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CN101267932A - 激光焊接体 - Google Patents

激光焊接体 Download PDF

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Publication number
CN101267932A
CN101267932A CNA2006800340454A CN200680034045A CN101267932A CN 101267932 A CN101267932 A CN 101267932A CN A2006800340454 A CNA2006800340454 A CN A2006800340454A CN 200680034045 A CN200680034045 A CN 200680034045A CN 101267932 A CN101267932 A CN 101267932A
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CN
China
Prior art keywords
laser
resin
welded body
absorbing
absorbance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CNA2006800340454A
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English (en)
Other versions
CN101267932B (zh
Inventor
大原哲二
山本聪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokata Kagaku Kogyo K K
Original Assignee
Tokata Kagaku Kogyo K K
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Application filed by Tokata Kagaku Kogyo K K filed Critical Tokata Kagaku Kogyo K K
Publication of CN101267932A publication Critical patent/CN101267932A/zh
Application granted granted Critical
Publication of CN101267932B publication Critical patent/CN101267932B/zh
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/14Particular design of joint configurations particular design of the joint cross-sections the joint having the same thickness as the thickness of the parts to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/36Bending and joining, e.g. for making hollow articles
    • B29C53/38Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges
    • B29C53/40Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges for articles of definite length, i.e. discrete articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16Laser beams
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16Laser beams
    • B29C65/1629Laser beams characterised by the way of heating the interface
    • B29C65/1635Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16Laser beams
    • B29C65/1629Laser beams characterised by the way of heating the interface
    • B29C65/1654Laser beams characterised by the way of heating the interface scanning at least one of the parts to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16Laser beams
    • B29C65/1677Laser beams making use of an absorber or impact modifier
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
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    • B29C66/11Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112Single lapped joints
    • B29C66/1122Single lap to lap joints, i.e. overlap joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
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    • B29C66/128Stepped joint cross-sections
    • B29C66/1282Stepped joint cross-sections comprising at least one overlap joint-segment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/128Stepped joint cross-sections
    • B29C66/1284Stepped joint cross-sections comprising at least one butt joint-segment
    • B29C66/12841Stepped joint cross-sections comprising at least one butt joint-segment comprising at least two butt joint-segments
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/40General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43Joining a relatively small portion of the surface of said articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/40General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43Joining a relatively small portion of the surface of said articles
    • B29C66/432Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/731General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the intensive physical properties of the material of the parts to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/735General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the extensive physical properties of the parts to be joined
    • B29C66/7352Thickness, e.g. very thin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/90Measuring or controlling the joining process
    • B29C66/91Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9161Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux
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    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/90Measuring or controlling the joining process
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    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
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    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
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    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
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    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
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Abstract

本发明提供无须经复杂步骤,可将简便调制构件经一次激光焊接步骤而使其成一体化,其不仅是外观或焊接强度优良,且不会损及树脂特性之激光焊接体。本发明的激光焊接体为藉由含有热塑性树脂与激光透过吸收剂使吸光度a成0.07~2.0之激光透过吸收性成形构件,系为单一且被弯曲到至少一部分被叠合的情况下、或系为复数且各自至少一部分被叠合的情况下,藉由吸收照射于此之激光的一部分,而透过该激光之另一部分而产生发热使其被焊接。

Description

激光焊接体
技术领域
本发明系关于将激光透过吸收性成型构件彼此经一次激光焊接使其一体化之激光焊接体。
背景技术
为将热塑性合成树脂制之成型构件彼此加以接合,激光焊接法被一般所知。
此种以往的激光焊接,例如可进行如下。如图5所示,于一方的构件上使用激光透过性之构件11,并于另一方的构件上使用激光吸收性之构件13,使两者连接。自激光透过性成型构件11之侧往激光吸收性构件13照射激光14时,激光透过性成型构件11所透过之激光14将被吸收于激光吸收性构件13并引起发热。藉由该热能,激光吸收性构件13会以吸收激光部分为中心,发生熔融,进而使激光透过性成型构件11产生熔融,使双方进行融合。当其冷却后,激光透过性成型构件11与激光吸收性构件13会在焊接部位15进行接合。
作为激光焊接之特长,可举出无须使应焊接部位与激光发生部相接触即可进行焊接,因为其为局部加热所以对周边的热影响非常小,无机械性振动之顾虑,可进行微细部分或立体且复杂构造之构件间之焊接,其再现性高且可维持高气密性,其焊接强度即强,其焊接部分之界线难以目视分辨,及不会产生粉尘等。
依据此种激光焊接,不仅可以简单操作确实地进行焊接以外,与以结合用零件(螺铨,螺钉,回纹针等)进行接合之以往的树脂构件接合方法,以接着剂进行接着,振动焊接,或超音波焊接等方法相比较,可获得同等以上之焊接强度。且因振动或热之影响较少,故可实现省力化,生产性改良,生产成本降低等。因此,激光焊接例如在汽车产业或电气·电子产业等中,除适合用于必须避免振动或热影响之功能零件或电子零件等的接合以外,同时也能对应于复杂形状树脂零件之接合。
关于激光焊接之技术,例如于日本特公昭62-49850号公报中记载有,添加吸收激光之碳黑的激光吸收性热塑性合成树脂构件,与激光透过性热塑性合成树脂构件使其叠合,然后再自激光透过性之构件侧照射激光使其激光焊接之方法。此时二种类的激光透过性成型构件与激光吸收性构件必须分别调制。
又,在再公表WO2003/039843中记载有,将热塑性树脂成型构件A及B,与具有红外线透过部之放热材C以C/A/B之位置关系使其接触,将红外线自放热材C侧照射之激光焊接方法。此时,热塑性树脂成型构件A及B无各自调制可为以同质之热塑性树脂所成型者,但是在激光焊接时欲调整发热必须使用特殊放热材C,使得作业步骤变复杂。
又,在日本特开2004-351730号公报中记载有,将激光穿透树脂构件,与另一个吸收激光树脂构件把各自作为焊接部分之事先形成接合凸缘部相合对,由激光穿透树脂构件之接合凸缘部,照射激光,使两树脂构件彼此相焊接形成一体化之激光焊接方法。此时,二种类的透过激光之树脂构件,与吸收激光之树脂构件必须分别调制。
发明的揭示
本发明之目的,系为解决前述课题,提供无须经复杂步骤可将简便调制构件以一次激光焊接步骤进行一体化,其不仅是成型构件间之熔接强度优良,且不会损害树脂特性之激光焊接体。
本发明者将一部分的激光被吸收而另一部分被透过的情况下,使用调整成特定吸光度之单一或复数之激光透过吸收性成型构件上照射激光,利用起自该成型构件之发热,热传导进行激光焊接,在该焊接部分引起大且深之熔融现象之结果,则发现与将激光穿透性成型构件及吸收性成型构件进行焊接之先前技术的激光焊接法相比较,能得到更为强固接合之焊接体。
欲达到前述目的之本发明激光焊接体为藉由含有热塑性树脂与激光透过吸收剂使吸光度a为0.07~2.0的激光透过吸收性成型构件,系为单一且被弯曲到至少一部分被叠合的情况下,或系为复数且各自至少一部分被叠合的情况下,藉由吸收照射于此处之激光的一部分,而透过该激光之另一部分而产生发热使其被焊接。
制造该激光焊接体之较佳实施型态为,使位于激光照射侧之一方的成型构件,首先发热使树脂产生熔融,其次逐渐的往成型构件叠合界面方向扩散熔融,最后产生大的熔融而制得具有坚固强度之激光焊接体。
如此激光透过吸收剂对所使用之激光波长具有较弱的吸收性。该激光透过吸收剂之吸收系数εd例如为1000~8000(ml/g·cm),较佳为1000~6000,更加为3000~6000。含此之激光透过吸收性成型构件不仅具有激光透过性之特征,亦同时具有弱激光吸收性之特征。
亦可将激光透过吸收性成型构件之单一或复数(2或3以上)经激光焊接成为激光焊接体。如为单一激光透过吸收性成型构件时,可将成型构件折弯或是弯成圆形,使成型构件之一部分例如可叠合其端部与端部,或叠合其端部与中央部,将其叠合部分经激光焊接即可达成。又,如为复数激光透过吸收性成型构件时,将这些成型构件之彼此一部分例如各成型构件的端部与端部,或各成型构件的端部与中央部等的一部分相叠合之后,将其叠合部分经激光焊接即可达成。此外,亦可将激光透过吸收性成型构件之一处,或复数处经激光焊接而使其成为激光焊接体。
又,可将单一或复数之激光透过吸收性成型构件之厚度制成200~5000μm。
激光透过吸收性成型构件,其至少由激光透过吸收剂与热塑性树脂所构成之树脂组成物经成型而得者。该热塑性树脂以聚酰胺树脂,聚碳酸酯树脂,聚苯硫醚树脂,聚对苯二甲酸丁二醇酯树脂,及聚烯烃系树脂者为佳。亦即,激光透过吸收性成型构件至少含有一种选自前述热塑性树脂之树脂为佳。
激光焊接体,系使用吸光度a为0.07~2.0范围的激光透过吸收性成型构件,将该成型构件叠合后使其进行激光焊接。更佳之吸光度a为0.07~0.8。当吸光度为该范围时,激光照射侧之成型构件里,为了以足够强度来进行激光焊接所需有効范围的透过率将被维持。其结果,在激光照射侧与反面侧之成型构件中,皆引起充分发热而容易引起熔融现象,同时可推知能引起温度差少之焊接现象。藉此得到强固激光焊接体。
此外,关于前述适合之树脂具体地显示其实用吸光度a的范围。如该树脂为聚酰胺树脂时,前述吸光度a为0.1~2.0,较佳为0.1~0.8之范围。如为聚碳酸酯树脂时,前述吸光度a为0.1~1.8,较佳为0.1~0.8之范围。如为聚丙烯树脂时,前述吸光度a为0.1~0.9,较佳为0.1~0.8之范围。
激光透过吸收性成型构件如为使用聚酰胺树脂或聚碳酸酯树脂或聚丙烯树脂而成型时,其对于940nm激光之吸收系数εj(如为二个成型构件时,则为吸收系数εj1与吸收系数εj2)例如为200~8000(1/cm),较佳为1000~8000。激光透过吸收性成型构件如为使用聚对苯二甲酸丁二醇酯树脂或聚苯硫醚树脂而成型时,吸收系数εj(如为二个成型构件时,则为吸收系数εj1与吸收系数εj2)例如为3000~15000(1/cm),较佳为9000~14000。
将本发明之激光焊接体,如图1所示,将激光透过吸收性成型构件1与另一激光透过吸收性成型构件2两者进行激光焊接之情形做为例子加以说明。将激光照射侧之成型构件1的吸光度作为a1,另一成型构件2之吸光度作为a2时,该吸光度a1与该吸光度a2之比a1/a2为0.8~1.3时为佳。当吸光度a1与吸光度a2相等,即比a1/a2为1时为更佳。该比若越接近1,激光焊接体之外观,色相,接合处之外观良好。此外吸光度为相等,或几乎相等时,无须区分由两者成型构件之哪一侧来照射激光,故激光焊接时之处理较为简便。
如使用激光透过吸收性成型构件1与另一激光透过吸收性成型构件2之两者时,其中一方之成型构件的激光透过吸收剂浓度C1(重量%)及其厚度L1(cm)之积C1L1,与另一成型构件之激光透过吸收剂浓度C2(重量%)及其厚度L2(cm)之积C2L2,其至少一方为0.01×10-3~4.0×10-3为佳。
本发明之激光焊接体为,具有激光透过性功能与激光吸收性功能之单一或复数激光透过吸收性成型构件经激光焊接所成者。因无须区分激光透过吸收性成型构件彼此之间,故容易管理构件,且激光焊接时无需进行调整构件叠合之顺序或方向之繁杂操作。
又,激光焊接体无须进行树脂构件接着时所施行的表面前处理步骤或合金步骤之烦杂操作而可简便地加以制造。又,可由衔接之激光透过吸收性成型构件之任一侧照射激光而制造,且可自由地边调整激光之照射角度边进行制造,故可对应复杂形状之构件接合。且,激光焊接体可经一次激光照射即能制造,故其生产効率较高。
激光焊接体不会影响到形成其之树脂原本的特性且其熔接强度较强。且,不会产生如先前技术之激光透过性成型构件与激光吸收性成型构件于激光熔接时因所产生的能量过剩而引起熔融部分之气孔。又,因未使用接着剂或缔结用零件,故其回收性优良。
附图的简单说明
图1显示将适用于本发明之激光焊接体藉由复数叠合激光透过吸收性成型构件之激光焊接而制造的一实施例图。
图2显示将适用于本发明之激光焊接体藉由复数叠合激光透过吸收性成型构件之激光焊接而制造的另一实施例图。
图3显示将适用于本发明之激光焊接体,藉由单一并使其弯曲之激光透过吸收性成型构件之激光焊接而制造的一实施例图。
图4显示将适用于本发明之激光焊接体,藉由单一并使其折曲之激光透过吸收性成型构件之激光焊接而制造的一实施例图。
图5显示将非适用于本发明之激光焊接体,藉由激光透过性成型构件与激光吸收性成型构件之激光焊接而制造的例图。
实施发明的最佳方式
以下对于本发明的激光焊接体举出一例,参考实施例所对应之图1加以详细说明。
制作本发明的激光焊接体时,使用复数板状之激光透过吸收性成型构件1·2。激光透过吸收性成型构件1·2系为,含有激光焊接所使用波长的激光4其一部分被吸收并使另一部分使它透过之激光透过吸收剂的激光透过性树脂之热塑性树脂经热成型所成者。激光焊接体为激光透过吸收性成型构件1·2之端部彼此叠合衔接下经激光焊接而坚固地一体化者。
激光焊接体可由如下述制作。首先,如图1对激光透过吸收性成型构件1照射激光。激光透过吸收性成型构件1为,一面使一部分激光透过,一面吸收另一部分,经发热而逐渐的熔融。透过激光透过吸收性成型构件1之激光,到达另一激光透过吸收性成型构件2,一部分被吸收之结果激光透过吸收性成型构件2会发热。即,藉由将这些激光透过吸收性成型构件1·2之吸光度及透过率做适当地调整,则到达成型构件2之激光量会变化,发热量可适当地被调整。于激光透过吸收性成型构件1与2之界面上会引起热传导或热辐射。
如此,先使激光透过吸收性成型构件1发热,可产生树脂熔融,其次逐渐的往激光透过吸收性成型构件1·2之界面方向扩散熔融,使两成型构件1·2上产生广泛且高程度之熔融,结果可进行强力之激光焊接。
该激光焊接体之较具体之制造步骤中,可举出其中一例子作说明。其制造步骤例如可由下述(A)~(D)所成。
(A)将至少含有热塑性树脂与激光透过吸收性吸收剂,若必要可含有添加剂之激光透过吸收性树脂组成物加以成型,得到配置于激光照射侧之激光透过吸收性成型构件1。该成型构件1对于激光(例如940nm)之吸光度a1为0.07~2.0。
(B)形成衔接于激光透过吸收性成型构件1之激光透过吸收性成型构件2。该成型构件2亦可由与成型构件1为同组成或异种组合所成之组成物经成型所得者。该成型构件2对于激光(例如940nm)之吸光度a2为0.07~2.0。
(C)叠合衔接激光透过吸收性成型构件1与激光透过吸收性成型构件2。此时欲固定两成型构件1·2,可使用适当治具进行加压。且,于透过吸收性成型构件侧上亦可配置具有如反射防止膜之反射防止功能之构件,亦可设置具有冷却効果之构件或气体处理装置等。
(D)从成型构件1侧照射经调整为适当条件下之激光4。激光4为,该一部分透过成型构件1,另一部分将被吸收于成型构件1而引起发热。透过之激光4到达成型构件2,于成型构件2被吸收,引起发热。于这些激光透过吸收性成型构件1·2之发热部位附近成型构件1及2将进行熔融。该热熔融部分经冷却后,固体化而焊接。其结果,这些成型构件1及2会在焊接部位5被坚固接合形成一体化。
图3显示制造另一激光焊接体时,可使用单一薄膜状之激光透过吸收性成型构件1。激光透过吸收性成型构件1与前述同様地,含有将激光焊接所使用波长的激光4吸收一部收,而另一部使其透过之激光透过吸收剂,与激光透过性树脂之热塑性树脂的激光透过吸收性树脂组成物经热成型者。将该激光透过吸收性成型构件1弯为圆形,使其两端部分彼此叠合下进行激光焊接即可得到强固之激光焊接体。
关于该激光焊接体之较具体的制造步骤,举出其中一例子作说明。其制造步骤例如由下述(E)~(G)所成。
(E)将至少含有热塑性树脂与激光透过吸收性吸收剂,若必要可添加添加剂之激光透过吸收性树脂组成物加以成型,得到激光透过吸收性成型构件1。该成型构件1对于激光(例如940nm)之吸光度a1为0.07~2.0。
(F)将激光透过吸收性成型构件1卷曲成滚筒状,叠合两端部并衔接。此时欲固定两成型构件1之两端部,亦可使用适宜治具加压。且,于透过吸收性成型构件侧上亦可配置具有如反射防止膜之反射防止功能的构件,亦可设置具有冷却効果之构件或气体处理装置等设置。亦可使用以滚筒状或圆筒状之模具成型为滚筒状或圆筒状之成型构件1。
(G)对叠合衔接之处照射调整为适当条件之激光4。激光4的一部分将透过位于两端部叠合之上侧的成型构件1之端部,另一部分将被吸收于位于两端部叠合之下部的成型构件1的端部,而引起发热。于该激光透过吸收性成型构件1之发热部位附近,成型构件1之被重叠的两端部彼此间将进行熔融。该热熔融部分经冷却后会固体化而焊接。
当然,本发明并未限定于这些制造步骤。
且,激光焊接体亦可使用前述所言及之复数均匀厚度的平坦板状,或单一薄膜状之激光透过吸收性成型构件,亦可使用以模具成型,或经弯曲或折曲成滚筒状,圆筒状,角柱状,箱状之复数或单一激光透过吸收性成型构件。激光透过吸收性成型构件可使用任意形状。如图2所示亦可于叠合部位的接口部分使其拥有段差。
激光透过性成型构件与激光吸收性构件之先前技术的激光焊接为,将激光吸收性构件使其发热并熔融,以该热来熔融激光透过性成型构件,故其热效率即不会太高,又,因激光透过性成型构件之树脂熔融较小,激光吸收性构件之树脂熔融较大,因此焊接强度就不会太强。相对于此,本发明的激光焊接体为,以光透过吸收性成型构件1与2之激光焊接例子做说明,激光焊接时,两成型构件1与2因可同时引起发热,故两成型构件1·2间之温度差较少,不仅是以低能量高効率来进行激光焊接,还可使两成型构件1·2之树脂熔融部位扩大,故其焊接强度为极强。
激光焊接体为,在激光透过吸收性成型构件1·2彼此加以焊接之焊接部位5在实用上有足够强度。又,激光焊接体可配合用途或目的,来选择激光焊接条件而制造。如此所制造之激光焊接体可按照JIS K7113-1995之拉伸试验,拉伸焊接强度至少显示具有50N以上的値,显示200N以上时为佳。
作为激光焊接所使用之激光,可使用比可见光较长之波长区800~1600nm之红外光,较佳为具有800~1100nm振动波长之激光。例如使用固体激光(Nd:YAG激起,半导体激光激起等),半导体激光,可调式激光二极管,钛蓝宝石激光(Nd:YAG激起)。又,亦可使用其它产生波长为700nm以上的红外线之卤素灯或氙气灯。又,对激光透过吸收性成型构件面可将激光由垂直方向或斜方向加以照射,亦可由一个方向或复数方向进行照射。激光之出力大小可配合扫瞄速度,与激光透过吸收性成型构件之吸收能力做适宜调整。
当使用产生波长为700nm以上之红外线的卤素灯时,其灯之灯形状,以配置成带状之灯者为多。作为照射型态,例如可举出灯照射部可动之扫瞄型式,焊接构件可动之防焊型式,对焊接构件由多方面同时照射之型式等。又,可调整到适宜的红外线照射宽度,照射时间,照射能量等来进行照射。卤素灯因具有于近红外区为中心之能量分布,该能量分布之短波长侧,亦即在可视区域中存有能量。在这种情况,将使构件表面有时会产生焊接痕,故可使用截止滤光镜等遮断可视区域之能量。
其次,对于激光透过吸收性成型构件,做更具体之说明。
使用两个激光透过吸收性成型构件1·2,使其叠合藉由激光照射,发热进行焊接并成一体化之激光焊接体时,例如对于激光焊接所使用波长的激光,一方成型构件之吸光度a1与另一方的成型构件之吸光度a2为0.07≤(a1及a2)≤2.0为佳,若考虑到激光之透过性时以0.07≤(a1及a2)≤1.0为更佳,0.07≤(a1及a2)≤0.8时为特佳。本发明中,对于所有厚度之吸光度,特别于叠合时,因透过率的关系所有的吸光度都为重要。
当吸光度为该范围时,激光照射侧的成型构件里,为了以足够强度来进行激光焊接所需有効范围的透过率将被维持。因此可推测在照射侧与反面侧之成型构件中,不仅是引起充分发热容易引起熔融现象,还可同时引起温度差较少之焊接现象。结果得到强固激光焊接体。此外,当改变成型构件厚度来制得各种形状之激光熔合体焊接体时,亦能容易应付。
又,有关前述较佳树脂,具体显示其实用性吸光度a之范围。该树脂为聚酰胺树脂时,前述吸光度a为0.1~2.0,较佳为0.1~0.8之范围。聚碳酸酯树脂时,前述吸光度a为0.1~1.8,较佳为0.1~0.8之范围。聚丙烯树脂时,前述吸光度a为0.1~0.9,较佳为0.1~0.8之范围。
一方的成型构件之吸光度a1,与另一方的成型构件之吸光度a2若满足0.5≤a1/a2≤2.0之条件为佳,满足0.8≤a1/a2≤1.3之条件为更佳。例如激光透过吸收性成型构件1·2之吸光度a1,a2有a1≥a2,a1≤a2,a1=a2的情况。
其中,又以吸光度a1与a2为同值时,即a1=a2时为更佳。此为考虑到激光焊接体之外观,色相,接合处等者。又,若吸光度为相等或几乎同等时无须区别二种类构件,而可简便处理。
如上所述,激光透过吸收性成型构件1之吸光度欲调节于前述范围内时,必须依据激光透过吸收性成型构件1之厚度L1(cm),来选择激光透过吸收剂之吸收系数εd,调整激光透过吸收剂之浓度C1(重量%)。对于激光透过吸收性成型构件2之厚度L2(cm),及该激光透过吸收剂之浓度C2(重量%)亦系相同地。
如此激光透过吸收性成型构件1·2之吸收系数εj1及εj2调整成所望之范围内,系为重要地。
当使用聚酰胺树脂·聚碳酸酯树脂·聚丙烯树脂时,对于940nm的激光所得各自之吸收系数εj1及εj2,例如为200≤εj1(及εj2)≤8000(1/cm),较佳为2000≤εj1(及εj2)≤7500,特佳为4000≤εj1(及εj2)≤7000。
当使用聚对苯二甲酸丁二醇酯树脂·聚苯硫醚树脂时,对于940nm的激光所得各自之吸收系数εj1及εj2,例如为3000≤εj1(及εj2)≤15000(1/cm),较佳为5000≤εj1(及εj2)≤15000,特佳为8000≤εj1(及εj2)≤13000。
吸收系数若超过前述指定范围的上限时,随着透过率下降,激光照射时的激光透过吸收性成型构件间之发热会较为激烈,难抑制烤焦或气孔的产生,无法得到足够地焊接强度。另一方面,吸收系数若未达前述指定范围的下限时,发热会不充分,无法得到足够地焊接强度。
又,一方的成型构件1的激光透过吸收剂之浓度C1(重量%)及该厚度L1(cm)的积C1L1,与另一方的成型构件2的激光透过吸收剂之浓度C2(重量%)及该厚度L2(cm)之积C2L2其如为0.01×10-3≤(C1L1及C2L2)≤4.0×10-3之范围,可进行较良好地焊接。
激光透过吸收性成型构件1·2之各自厚度皆为200~5000μm之范围为佳。厚度未达200μm时,将难以控制激光能量,在激光焊接时,热熔融会产生过度或不足,会因过热而断裂而无法得到足够地焊接强度。另一方面,若超过5000Hm时,从激光透过吸收性成型构件之表面至焊接部位5的距离会过长而引起透过率下降,无法得到足够地焊接强度。
作为激光透过吸收性成型构件1·2所含有之激光透过吸收剂,可举出吖嗪系化合物,尼格洛辛(nigrosine),苯胺黑,酞菁,萘钛菁系列,卟啉,花青系化合物,苝,quaterrylene,金属错合物,偶氮染料,蒽醌,方酸(Squaric acid)衍生物,iminium染料等。激光透过吸收剂之吸收系数εd为1000~8000(ml/g·cm),较佳为1000~6000,更佳为3000~6000。
吸收系数(吸光系数)εd之测定方法为,精秤0.05g的激光透过吸收剂,使用50ml的定量瓶,例如溶解于溶媒N,N-二甲基甲醯胺(DMF)后,取其1ml使用50ml定量瓶以DMF稀释,作为测定样品,使用分光光度计(岛津制作所制之商品名:UV1600PC)测定其吸光度。
对于热塑性树脂之着色为装饰効果,分色之区别効果,提高成型品之耐旋光性,内容物之保护或隐藏等目的下而被进行。在产业界上最重要者为黑色着色。另外,若考虑到树脂之分散性或相溶性时则以油溶性染料为佳。因此,可作为黑色着色剂亦可作为激光透过吸收剂所使用之黑色油溶性染料为最佳。而在黑色油溶性染料之中,以可得到较强焊接强度等之尼格洛辛为佳。
作为尼格洛辛可举出在COLOR INDEX中所记载的C.I.SOLVENT BLACK 5及C.I.SOLVENT BLACK 7之黑色吖嗪系缩合混合物。其中,以C.I.SOLVENTBLACK 7更佳。如此尼格洛辛之合成为,例如将苯胺,苯胺盐酸盐及硝基苯于氯化铁存在下,反应温度160至180℃下进行氧化及脱水缩合而得者。作为如此尼格洛辛,有东方化学工业股份有限公司制之商品名NUBIAN BLACK系列被市售。
又,激光透过吸收剂之含有量相对于激光透过性树脂为0.001~0.5重量%,较佳为0.01~0.2重量%。该含有量如少于0.001重量%时,即使吸收激光能量,其发热亦过少,故温度升高不够而会使激光透过吸收性成型构件间之接合部的焊接强度降低。此外,含有量若超过0.5重量%时,激光之透过率会过低,在激光透过吸收性成型构件间将无法得到足够地焊接强度,且较容易失去激光透过性树脂原本的树脂特性。
又,激光透过吸收剂之含有量,当作为激光透过性树脂使用聚酰胺树脂·聚碳酸酯树脂·聚丙烯树脂时为0.001~0.5重量%,更佳为0.002~0.2重量%。又,激光透过吸收剂之含有量,当作为激光透过性树脂使用聚对苯二甲酸丁二醇酯树脂·聚苯硫醚树脂时,较佳为0.001~0.2重量%。
形成该成型构件之激光透过性树脂只要系透过激光,并能含有激光透过吸收剂之树脂即可,可使用任一树脂。
作为激光透过性树脂,例如可举出具有激光透过性,且作为颜料之分散剂所使用之树脂,作为色母或粒状着色载体树脂所使用之公知树脂等。更具体为,有热塑性树脂之代表例子的聚苯硫醚树脂(PPS),聚酰胺树脂(尼龙(注册商标),PA),聚乙烯树脂或聚丙烯树脂等聚烯烃系树脂,聚苯乙烯树脂,聚甲基戊烯树脂,甲基丙烯酸树脂,聚丙烯醯胺树脂,乙烯乙烯醇(EVOH)树脂,聚碳酸酯树脂,聚对苯二甲酸乙二醇酯(PET)树脂或聚对苯二甲酸丁二醇酯(PBT)树脂等聚酯树脂,聚甲醛树脂,聚氯乙烯树脂,聚偏二氯乙烯树脂,聚丙二醇树脂,聚丙烯酸酯树脂,聚芳砜(PASF)树脂,氟树脂,液晶聚合物等。
如此热塑性树脂亦可为由形成前述热塑性树脂单体二种以上所成的共聚树脂。例如可举出AS(丙烯腈-苯乙烯)共聚树脂,ABS(丙烯腈-丁二烯-苯乙烯)共聚树脂,AES(丙烯腈-EPDM-苯乙烯)共聚树脂,PA-PBT共聚物,PET-PBT共聚树脂,PC-PBT共聚树脂,PC-PA共聚树脂等。又,聚苯乙烯系热塑性弹性体,聚烯烃系热塑性弹性体,聚尿烷系热塑性弹性体,聚酯系热塑性弹性体等热塑性弹性体;以前述树脂类作为主成分之合成蜡或天然蜡等。且,这些热塑性树脂之分子量并无特别限定。亦可使用上述复数种相异树脂。
该热塑性树脂以聚酰胺树脂,聚碳酸酯树脂,聚丙烯树脂,聚对苯二甲酸丁二醇酯树脂,聚苯硫醚树脂为佳。考虑到与尼格洛辛之相溶性时,以其中之聚酰胺树脂,聚碳酸酯树脂为更佳。
作为聚酰胺树脂可举出聚酰胺6,聚酰胺66,聚酰胺46,聚酰胺11,聚酰胺12,聚酰胺69,聚酰胺610,聚酰胺612,聚酰胺96,非晶质性聚酰胺,高融点聚酰胺,聚酰胺RIM,聚酰胺MIX6等;这些二种类以上之共聚物,即,可举出聚酰胺6/66共聚物,聚酰胺6/66/610共聚物,聚酰胺6/66/11/12共聚物,结晶性聚酰胺/非结晶性聚酰胺共聚物等。又,聚酰胺树脂亦可为,聚酰胺树脂与其它合成树脂之混合聚合物。作为如此混合聚合物之例子可举出聚酰胺/聚酯混合聚合物,聚酰胺/聚氧化二甲苯混合聚合物,聚酰胺/聚碳酸酯混合聚合物,聚酰胺/聚烯烃混合聚合物,聚酰胺/苯乙烯/丙烯腈混合聚合物,聚酰胺/丙烯酸酯混合聚合物,聚酰胺/硅氧烷混合聚合物等。这些聚酰胺树脂可单独,或二种类以上加以使用。
聚苯硫醚树脂系为,亦称为PPS(-φ-S-)[φ为取代或非取代之伸苯基]所示硫代伸苯基所成的重复单位为主之聚合物。该树脂为,聚合对二氯苯与硫化碱于高温,高压下反应合成之单体所得者。该树脂为,大致分为仅以使用聚合助剂之聚合步骤,使其成为目的聚合度的直链型者,与低分子之聚合物于氧存在下使其热交联的交联型者之二型。特别为直链型者其透过率优良故较佳。又,有关聚苯硫醚树脂(PPS)之熔融黏度只要是可熔融混炼者即可,并无特别限定,一般使用5~2000Pa.s之范围者。100~600Pa·s之范围者亦佳。
又,聚苯硫醚树脂亦可使用聚合物合金。例如PPS/聚烯烃系合金,PPS/聚酰胺系合金,PPS/聚酯系合金,PPS/聚碳酸酯系合金,PPS/聚苯醚系合金,PPS/液晶聚合物系合金,PPS/聚醯亚胺系合金,PPS/聚砜系合金。又,聚苯硫醚树脂具有适用于电子零件或汽车零件等之用途的特性。
作为聚酯树脂,例如可举出藉由对苯二甲酸与乙二醇之缩聚合反应所得之聚对苯二甲酸乙二醇酯树脂,及藉由对苯二甲酸与丁二醇之缩聚合反应所得之聚对苯二甲酸丁二醇酯树脂。作为其它聚酯树脂的例子,可举出上述聚酯树脂之对苯二甲酸成分的一部分(例如15莫耳%以下[例如0.5~15莫耳%],较佳为5莫耳%以下[例如0.5~5莫耳%])及/或乙二醇或丁二醇成分之一部分(例如15莫耳%以下[例如0.5~15莫耳%],较佳为5莫耳%以下[例如0.5~5莫耳%])经取代之共聚物。又,亦可为混和二种以上之聚酯树脂者。
聚烯烃系树脂并无特别限定。做为例子可举出乙烯,丙烯,丁烯-1,3-甲基丁烯-1,4-甲基戊烯-1,辛烯-1等α-烯烃之单独聚合物或彼等之共聚物,或这些与其它能共聚合之不饱和单量体之共聚物(作为共聚物可举出嵌段共聚物,无规共聚物,接枝共聚物)等。更具体的例子为高密度聚乙烯,中密度聚乙烯,低密度聚乙烯,直链状低密度聚乙烯,乙烯-醋酸乙烯酯共聚物,乙烯-丙烯酸乙酯共聚物等聚乙烯系树脂;丙烯单独聚合物,丙烯-乙烯嵌段共聚物,或无规共聚物,丙烯-乙烯-丁烯-1共聚物等聚丙烯系树脂;聚丁烯-1,聚4-甲基戊烯-1等。聚烯烃系树脂可单独使用或组合二种以上使用。其中使用聚丙烯树脂及/或聚乙烯树脂为佳。较佳为聚丙烯系树脂。该聚丙烯系树脂并无特别限定,可使用广范围之分子量者。
且,作为聚烯烃系树脂亦可使用如以不饱和羧酸或其衍生物经改性形成之酸改性聚烯烃或发泡聚丙烯之树脂自体含有发泡剂者。又,可将乙烯-α-烯烃系共聚物橡胶,乙烯-α-烯烃-非共轭二烯系化合物共聚物(例如EPDM等),乙烯-芳香族单乙烯化合物-共轭二烯系化合物共聚合橡胶,或彼等氢化物等之橡胶类含于聚烯烃系树脂者。
聚碳酸酯为主链上具有碳酸酯键之热塑性树脂,其具备优良机械性性质,耐热性,耐寒性,电气性质,透明性等,作为工程塑料之代表。于现在工业所生产的芳香族聚碳酸酯为出自双酚A。制法有光气法与酯交换法之两种方法。其化学构造式为以芳香族烃之碳酸酯经多数连结之直链状分子于分子主链上重叠苯核与可挠性之碳酸酯所成。前者赋予高热变形温度或优良物理及机械性质,后者为赋予成型性与柔软性,容易进行碱水解。
形成该成型构件时,该激光透过性树脂中因应所需可添加添加剂。作为此种添加剂,例如可举出着色剂,补强材,填充材,紫外线吸收剂或光安定剂,氧化防止剂,抗菌·防真菌剂,难燃剂,助色剂,分散剂,安定剂,可塑剂,改质剂,防带电剂,润滑剂,离型剂,结晶促进剂,结晶成核剂等。
作为可使用的着色剂的例子,仅为可满足成型构件前述所期待之条件者即可,彼等之构造或色相并无特别限定,更具体为,甲亚胺系,蒽醌系,喹吖啶酮系,二恶嗪系,二酮吡咯并吡咯(diketopyrolopyrrole)系,蒽吡啶酮(anthrapyridone)系,异吲哚啉酮(Isoindolinone)系,阴丹酮(indanthron)系,紫环酮(perinone)系,苝系,靛蓝系,硫靛蓝系,喹酞酮系,喹啉系,三苯基甲烷系之各种染颜料等有机染颜料。
使用于成型构件之吸收剂为黑色或暗色时,按照吸收剂之色相与浓度,来混和黑色着色剂,得到良好黑色成型构件。作为黑色混合着色剂,例如可举出蓝色着色剂+黄色着色剂+红色着色剂之组合,紫色着色剂+黄色着色剂之组合,绿色着色剂+红色着色剂之组合。该吸收剂为淡色吸收剂时经适当组合可得到各颜色之成型构件。
且可含有氧化钛,锌白,碳酸钙,氧化铝白等白色颜料或有机白色颜料,并可由无色染料与有机染颜料组合而调整成彩色者。
作为补强材,仅为一般使用于合成树脂之补强者即可,并无特别限定。例如可举出可使用玻璃纤维,碳纤维,其它无机纤维,及有机纤维芳纶(aramid),聚苯硫醚树脂,聚酰胺,聚酯及液晶聚合物等)等,要求透明性之树脂补强中则以玻璃纤维为佳。适用之玻璃纤维的纤维长为2~15mm,该纤维径为1~20μm。对于玻璃纤维之形态并无特别限制,例如可举出粗纱布(roving),磨碎纤维等中任一皆可。这些玻璃纤维为可单独使用一种类或组合二种类以上使用。该含有量为,相对于激光透过吸收性成型构件100重量份而言为5~120重量份为佳。未达5重量份时难得到足够地玻璃纤维补强効果,若超过120重量份时成型性容易降低。较佳为10~60重量份,特佳为20~50重量份。
又,作为填充材可添加云母,绢云母,玻璃碎等板状填充材,滑石,陶瓷,黏土,硅灰石,彭润土,石绵,氧化铝硅酸盐等硅酸盐,氧化铝,氧化硅素,氧化镁,氧化锆,氧化钛等金属氧化物,碳酸钙,碳酸镁,白云石等碳酸盐,硫酸钙,硫酸钡等硫酸盐,玻璃珠,陶瓷珠,氮化硼,碳化硅素等粒状填充材等。
作为紫外线吸收剂或光安定剂之例子可举出苯并三唑系化合物,二苯甲酮系化合物,水杨酸酯系化合物,氰基丙烯酸酯系化合物,苯甲酸酯系化合物,oxanilide系化合物,受阻胺系化合物及镍错盐等。
作为氧化防止剂的例子可举出酚系化合物,磷系化合物,硫系化合物及硫醚系化合物等。
作为抗菌.防真菌剂之例子有2-(4’-噻唑基)苯并咪唑,10,10’-氧基双苯氧基胂,N-(氟二氯甲基硫)苯二甲醯亚胺及硫代嘧啶氧锌(bis-(2-Pyridinethiol-1-oxide)zinc)等。
作为难燃剂之例子可举出四溴双酚A衍生物,六溴二苯醚及四溴酞酸酐等含卤素化合物;三苯基磷酸酯,三苯基亚磷酸酯,红磷及多磷酸酸铵等含磷化合物;尿素及胍等含氮化合物;硅油,有机硅烷及硅酸铝等含硅化合物;三氧化锑及磷酸锑等锑化合物等。
该成型构件可使用所望着色热塑性树脂组成物之色母制造。作为前述色母可由任意方法制得。例如将成为色母之树脂粉末或颗粒与着色剂经滚筒混合机或超混合机等混合机进行混合后,押出机,分批式混炼机或滚筒式混炼机等进行加热熔融,使其颗粒化或粗粒子化而可制得。
该成型构件的成型可以按照一般所进行之各种程序而制得。例如可使用着色颗粒经押出机,射出成型机,滚筒研磨机等加工机进行成型,又,并可将具有透明性之树脂的颗粒或粉末,粉碎着色剂,及因应必要之各种添加物以适当混合机加以混合,将该混合物使用加工机进行成型。又,例如于含有适当聚合触媒之单体中加入着色剂,藉由聚合将该混合物作成所望树脂再以适当方法成型。作为成型方法,例如可使用射出成型,押出成型,压缩成型,发泡成型,吹气成型,真空成型,射出吹气成型,回转成型,压延成型,溶液压延等一般使用的任意成型方法。藉由如此成型可得到种种形状之成型构件。
其次藉由举出实施例对本发明做具体说明,当然本发明并未被限定于此。
使用聚酰胺66树脂,试作激光透过吸收性成型构件,其次以图1,图3或图4所示之叠合状态下进行激光焊接,将试作适用于本发明之激光焊接体例子显示于实施例1~14,非适用于本发明之激光焊接体例子则示于比较例1~3。
(实施例1)
(1-a)激光透过吸收性成型构件1·2之制作
将将聚酰胺66树脂(杜邦公司制的商品名:ZYTEL(注册商标)101NC)499.9g,与尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACK PA9801)0.1g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度270℃,模具温度60℃下以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1·2。
(1-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方的激光透过吸收性成型构件1之上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度1mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
且,该尼格洛辛NUBIAN(注册商标)BLACK PA9801在DMF中之吸收系数εd为6.0×103(ml/g·cm)。
依据下述所示评估,将激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表1。
(实施例2)
(2-a)激光透过吸收性成型构件1·2之制作
将将聚酰胺66树脂(杜邦公司制的商品名:ZYTEL(注册商标)101NC)499.8g,与尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACK PA9801)0.2g放入不锈钢制转鼓中,经1时间搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度270℃,模具温度60℃使用一般方法进行成型,制作出二片纵80mm×横50mm×厚度0.5mm之激光透过吸收性成型构件1·2。
(2-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方的激光透过吸收性成型构件1之上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度2.5mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表1。
(实施例3)
(3-a)激光透过吸收性成型构件1·2之制作
将将聚酰胺66树脂(杜邦公司制的商品名:ZYTEL(注册商标)101NC)499.5g,与尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACK PA9801)0.5g以如表1所示组成比下,放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度270℃,模具温度60℃下以一般方法进行成型,制作出二片纵80mm×横50mm×厚度0.25mm之激光透过吸收性成型构件1·2。
(3-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方的激光透过吸收性成型构件1之上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度6.5mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表1。
(实施例4)
(4-a)激光透过吸收性成型构件1·2之制作
将将聚酰胺66树脂(杜邦公司制的商品名:ZYTEL(注册商标)101NC)499.95g,与尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACK PA9801)0.05g以如表1所示组成比下,放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度270℃,模具温度60℃下以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1·2。
(4-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方的激光透过吸收性成型构件1之上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度1mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表1。
(实施例5)
(5-a1)激光透过吸收性成型构件1之制作
将将聚酰胺66树脂(杜邦公司制的商品名:ZYTEL(注册商标)101NC)499.8g,尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACK PA9801)0.1g,及将C.I.solvent green87之蒽醌蓝色油溶性染料与C.I.solvent red179所示之紫环酮红色油溶性染料与C.I.solvent yellow163所示之蒽醌黄色油溶性染料以13∶20∶7之重量比组合之黑色配合染料0.1g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度270℃,模具温度60℃下藉由一般方法成型后制作出纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1。
(5-a2)激光透过吸收性成型构件2之制作
将将聚酰胺66树脂(杜邦公司制的商品名:ZYTEL(注册商标)101NC)499.8g,尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACK PA9801)0.2g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度270℃,模具温度60℃下藉由一般方法成型后制作出纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件2。
(5-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方的激光透过吸收性成型构件1之上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度1mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表1。
(实施例6)
(6-a)单一之激光透过吸收性成型构件1之制作
将将聚酰胺66树脂(杜邦公司制的商品名:ZYTEL(注册商标)101NC)499.9g,与尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACK PA9801)0.1g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于注射器温度270℃,模具温度60℃下以一般方法进行成型,制作出纵50mm×横230mm×厚度1mm下,弯曲成直径70mm,10mm叠合的圆筒状之激光透过吸收性成型构件1。
(6-b)激光焊接体的制造
其次,如图3所示将激光透过吸收性成型构件1两端叠合后,将由外侧方向将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度1mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表1。
(实施例7)
(7-a)激光透过吸收性成型构件1·2之制作
将将聚酰胺66树脂(杜邦公司制的商品名:ZYTEL(注册商标)101NC)499.95g,与尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACK PA9801)0.05g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:S i-50),于缸筒温度280℃,模具温度60℃下以一般方法成型,制作出二片纵80mm×横50mm×厚度3mm之激光透过吸收性成型构件1·2。
(7-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方之激光透过吸收性成型构件1上方将输出70W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)激光束4以扫瞄速度2.2mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表1。
(实施例8)
(8-a)单一之激光透过吸收性成型构件1之制作
将将聚酰胺66树脂(杜邦公司制的商品名:ZYTEL(注册商标)101NC)499.8g,与尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACK PC0850)0.2g不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度270℃,模具温度60℃下以一般方法制成纵50mm×横170mm×厚度1mm的薄片。将此以长边方向以20mm-40mm-40mm-40mm-30mm之顺序往内折曲,制作出两端10mm叠合之略四角柱形之激光透过吸收性成型构件1。
(8-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1之两端,如图4所示叠合下使其衔接,由外侧方向,将输出10W之激光二极管[波长:940nm连续的](FINEDEVICE CO.,LTD制)之激光束4以扫瞄速度1mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
且,该尼格洛辛NUBIAN(注册商标)BLACK PC0850在DMF中之吸收系数ε为4.8×103。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表2。
(实施例9)
(9-a)激光透过吸收性成型构件1·2之制作
将将聚酰胺66树脂(杜邦公司制的商品名:ZYTEL(注册商标)101NC)499.0g,与尼格洛辛(东方化学工业股份有限公司制的商品名:CRAMITY(注册商标)81)1.0g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度270℃,模具温度60℃下以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1·2。
(9-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方的激光透过吸收性成型构件1之上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度1mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
且,该尼格洛辛东方化学工业股份有限公司制的商品名:CRAMITY(注册商标)81在DMF中的吸收系数εd为5.9×103(ml/g·cm)。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表2。
(实施例10)
(10-a)激光透过吸收性成型构件1·2之制作
将将聚酰胺66树脂(杜邦公司制的商品名:ZYTEL(注册商标)101NC)498.0g,与尼格洛辛(东方化学工业股份有限公司制的商品名:CRAMITY(注册商标)81)2.0g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度270℃,模具温度60℃下以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1·2。
(10-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方的激光透过吸收性成型构件1之上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度1mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表2。
(实施例11)
(11-a)激光透过吸收性成型构件1·2之制作
将聚酰胺66树脂(杜邦公司制的商品名:ZYTEL(注册商标)101NC)497.5g,与尼格洛辛(东方化学工业股份有限公司制的商品名:CRAMITY(注册商标)81)2.5g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度270℃,模具温度60℃下以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1·2。
(11-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方的激光透过吸收性成型构件1之上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度1mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表2。
(实施例12)
(12-a1)激光透过吸收性成型构件1之制作
将聚酰胺66树脂(杜邦公司制的商品名:ZYTEL(注册商标)101NC)499.5g,与尼格洛辛(东方化学工业股份有限公司制的商品名:CRAMITY(注册商标)81)0.5g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度270℃,模具温度60℃下以一般方法进行成型,制作出纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1。
(12-a2)激光透过吸收性成型构件2之制作
将聚酰胺66树脂(杜邦公司制的商品名:ZYTEL(注册商标)101NC)499.5g,与尼格洛辛(东方化学工业股份有限公司制的商品名:CRAMITY(注册商标)81)0.5g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度270℃,模具温度60℃下以一般方法进行成型,制作出纵80mm×横50mm×厚度2mm之激光透过吸收性成型构件2。
(12-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由激光透过吸收性成型构件1上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)的激光束4以扫瞄速度2mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表2。
(实施例13)
(13-a1)激光透过吸收性成型构件1之制作
将聚酰胺66树脂(杜邦公司制的商品名:ZYTEL(注册商标)101NC)499g,与尼格洛辛(东方化学工业股份有限公司制的商品名:CRAMITY(注册商标)81)1.0g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度270℃,模具温度60℃下以一般方法进行成型,制作出纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1。
(13-a2)激光透过吸收性成型构件a2之制作
将聚酰胺66树脂(杜邦公司制的商品名:ZYTEL(注册商标)101NC)498.5g,与尼格洛辛(东方化学工业股份有限公司制的商品名:CRAMITY(注册商标)81)2.5g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度270℃,模具温度60℃下以一般方法进行成型,制作出纵80mm×横50mm×厚度1.5mm之激光透过吸收性成型构件2。
(13-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由激光透过吸收性成型构件1上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)的激光束4以扫瞄速度2mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表2。
(实施例14)
(14-a1)激光透过吸收性成型构件1之制作
将聚酰胺66树脂(杜邦公司制的商品名:ZYTEL(注册商标)101NC)499.0g,与尼格洛辛(东方化学工业股份有限公司制的商品名:CRAMITY(注册商标)81)1.0g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度270℃,模具温度60℃下以一般方法进行成型,制作出纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1。
(14-a2)激光透过吸收性成型构件2之制作
将聚酰胺66树脂(杜邦公司制的商品名:ZYTEL(注册商标)101NC)499.5g,与尼格洛辛(东方化学工业股份有限公司制的商品名:CRAMITY(注册商标)81)0.5g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度270℃,模具温度60℃下以一般方法进行成型,制作出纵80mm×横50mm×厚度1.5mm之激光透过吸收性成型构件2。
(14-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由激光透过吸收性成型构件1上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)的激光束4以扫瞄速度1mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表2。
(比较例1)
(1-A)比较成型构件之制作
将聚酰胺66树脂(杜邦公司制的商品名:ZYTEL(注册商标)101NC)495g,与尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACK PA9801)5.0g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度270℃,模具温度60℃下藉由一般方法成型后制作出二片纵80mm×横50mm×厚度1mm之比较成型构件。
(1-B)激光焊接体的制造
其次,将激光透过吸收性成型构件彼此衔接叠合,由一方之激光透过吸收性成型构件上方将输出10W的激光二极管[波长:940nm连续的](FINEDEVICE CO.,LTD制)之激光束4以扫瞄速度1mm/sec进行20mm扫瞄,经照射却无法得到激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表2。
(比较例2)
(2-A)先前之激光透过性成型构件之制作
将聚酰胺66树脂(杜邦公司制的商品名:ZYTEL(注册商标)101NC)500g放入不锈钢制转鼓中,经1小时搅拌混合。将此使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度270℃,模具温度60℃下以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透性成型构件。
(2-B)激光焊接体的制造
其次,自激光透过性成型构件彼此衔接叠合由一方之激光透过性成型构件上方,将输出10W的激光二极管[波长:940nm连续的](FINE DEVICECO.,LTD制)之激光束4以扫瞄速度1mm/sec进行20mm扫瞄,经照射却无法得到激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表2。
(比较例3)
(3-A)比较成型构件1·2之制作
将聚酰胺66树脂(杜邦公司制的商品名:ZYTEL(注册商标)101NC)499g,与碳黑(三菱化学公司制的商品名:#CB960)1g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度270℃,模具温度60℃下以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之比较成型构件。
(3-B)激光焊接体的制造
其次,自激光透过吸收性成型构件1·2彼此衔接叠合激光透过吸收性成型构件1上方,将输出15W的激光二极管[波长:940nm连续的](FINE DEVICECO.,LTD制)之激光束4以扫瞄速度1mm/sec进行20mm扫瞄,经照射却无法得到激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表2。
其次,使用经纤维强化之聚酰胺6树脂,尝试制作出激光透过吸收性成型构件,其次如图1所示于叠合状态下使其激光焊接,将试作适用于本发明之激光焊接体的例子显示于实施例15~18,适用本发明以外之激光焊接体的例子显示于比较例4~5。
(实施例15)
(15-a)激光透过吸收性成型构件1·2之制作
将纤维强化聚酰胺6树脂(杜邦公司制的商品名ZYTEL(注册商标)73G30L)499.9g,与萘酞菁(山本化成公司制的商品名YKR-5010)0.1g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度280℃,模具温度80℃下以一般方法成型,制作出二片纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1·2。
(15-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方的激光透过吸收性成型构件1之上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度1mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表3。
(实施例16)
(16-a)激光透过吸收性成型构件1·2之制作
纤维强化聚酰胺6树脂(杜邦公司制的商品名ZYTEL(注册商标)73G30L)499.99g,与尼格洛辛(东方化学工业股份有限公司制的商品名:CRAMITY(注册商标)81)0.01g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度280℃,模具温度80℃下以一般方法成型,制作出二片纵80mm×横50mm×厚度2mm之激光透过吸收性成型构件1·2。
(16-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方之激光透过吸收性成型构件1上方将输出30W的激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度0.50mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表3。
(实施例17)
(17-a)激光透过吸收性成型构件1·2之制作
将纤维强化聚酰胺6树脂(杜邦公司制的商品名ZYTEL(注册商标)73G30L)499.975g,与尼格洛辛(东方化学工业股份有限公司制的商品名:CRAMITY(注册商标)81)0.025g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度280℃,模具温度80℃下以一般方法成型,制作出二片纵80mm×横50mm×厚度2mm之激光透过吸收性成型构件1·2。
(17-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方之激光透过吸收性成型构件1上方将输出30W的激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度0.60mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表3。
(实施例18)
(18-a1)激光透过吸收性成型构件1之制作
将纤维强化聚酰胺6树脂(杜邦公司制的商品名ZYTEL(注册商标)73G30L)499.975g,与尼格洛辛(东方化学工业股份有限公司制的商品名:CRAMITY(注册商标)81)0.025g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度280℃,模具温度80℃下以一般方法成型,制作出纵80mm×横50mm×厚度2mm之激光透过吸收性成型构件1。
(18-a2)激光透过吸收性成型构件2之制作
将纤维强化聚酰胺6树脂(杜邦公司制的商品名ZYTEL(注册商标)73G30L)499.95g,与尼格洛辛(东方化学工业股份有限公司制的商品名:CRAMITY(注册商标)81)0.05g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度280℃,模具温度80℃下以一般方法成型,制作出纵80mm×横50mm×厚度3mm之激光透过吸收性成型构件2。
(18-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方之激光透过吸收性成型构件1上方将输出50W的激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度0.90mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表3。
(比较例4)
(4-A)先前之激光透过性成型构件之制作
将纤维强化聚酰胺6树脂(杜邦公司制的商品名ZYTEL(注册商标)73G30L)500g放入不锈钢制转鼓中,经1小时搅拌混合。将此以射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度280℃,模具温度80℃下以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透性成型构件。
(4-B)激光焊接体的制造
其次,自激光透过性成型构件彼此衔接叠合一方之激光透过性成型构件上方,将输出30W的激光二极管[波长:940nm连续的](FINE DEVICECO.,LTD制)之激光束4以扫瞄速度1mm/sec进行20mm扫瞄。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表3。
(比较例5)
(5-A)先前之激光透过性成型构件之制作
将纤维强化聚酰胺6树脂(杜邦公司制的商品名ZYTEL(注册商标)73G30L)499g,与碳黑(三菱化学公司制的商品名:CB960)1.0g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度280℃,模具温度80℃以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透性成型构件。
(5-B)激光焊接体的制造
其次,自激光透过性成型构件彼此衔接叠合一方之激光透过性成型构件上方,将输出30W的激光二极管[波长:940nm连续的](FINE DEVICECO.,LTD制)之激光束4以扫瞄速度1mm/sec进行20mm扫瞄,经照射却无法得到激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表3。
其次,使用聚碳酸酯树脂,试作激光透过吸收性成型构件,其次如图1所示于叠合状态下使其激光焊接,将试作适用于本发明之激光焊接体的例子显示于实施例19~23,适用本发明以外之激光焊接体的例子显示于比较例6~7所示。
(实施例19)
(19-a)激光透过吸收性成型构件1·2之制作
将聚碳酸酯树脂(帝人公司制的商品名:Panlite L1225Y)497.5g,与尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACK PC0850)2.5g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度280℃,模具温度70℃以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1·2。
(19-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方的激光透过吸收性成型构件1之上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度1.0mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
且,该尼格洛辛的NUBIAN(注册商标)BLACK PC0850在DMF中对940nm光之吸收系数ε为4.8×103(ml/g·cm)。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表4。
(实施例20)
(20-a)激光透过吸收性成型构件1·2之制作
将聚碳酸酯树脂(帝人公司制的商品名:Panlite L1225Y)498.5g,与尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACK PC0850)1.5g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度280℃,模具温度70℃以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1·2。
(20-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方的激光透过吸收性成型构件1之上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度1.0mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表4。
(实施例21)
(21-a)激光透过吸收性成型构件1·2之制作
聚碳酸酯树脂(帝人公司制的商品名:Panlite L1225Y)499g,与尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACKPC0850)1.0g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度280℃,模具温度70℃以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1·2。
(21-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方的激光透过吸收性成型构件1之上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度1.0mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表4。
(实施例22)
(22-a)激光透过吸收性成型构件1·2之制作
将聚碳酸酯树脂(帝人公司制的商品名:Panlite L1225Y)499.75g,与尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACK PC0850)0.25g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度280℃,模具温度70℃以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1·2。
(22-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方的激光透过吸收性成型构件1之上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度1.0mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表4。
(实施例23)
(23-a)激光透过吸收性成型构件1·2之制作
将聚碳酸酯树脂(帝人公司制的商品名:Panlite L1225Y)498g,尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACKPC0850),1.0g,及C.I.solvent  green87之蒽醌蓝色油溶性染料与C.I.solvent red179所示之紫环酮红色油溶性染料与C.I.solventyellow163所示之蒽醌黄色油溶性染料以13∶20∶7的重量比组合之黑色配合染料1.0g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度280℃,模具温度70℃以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1·2。
(23-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方的激光透过吸收性成型构件1之上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度1.0mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表4。
(实施例24)
(24-a1)激光透过吸收性成型构件1·2之制作
将聚碳酸酯树脂(帝人公司制的商品名:Panlite L1225Y)498g,尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACKPC0850),1.0g,及C.I.solvent green87之蒽醌蓝色油溶性染料与C.I.solvent red179所示之紫环酮红色油溶性染料与C.I.solventyellow163所示之蒽醌黄色油溶性染料与以13∶20∶7之重量比组合之黑色配合染料1.0g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度280℃,模具温度70℃以一般方法进行成型,制作出纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1。
(24-a2)激光透过吸收性成型构件1·2之制作
将聚碳酸酯树脂(帝人公司制的商品名:Panlite L1225Y)498.75g,尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACKPC0850),1.25g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度280℃,模具温度70℃以一般方法进行成型,制作出纵80mm×横50mm×厚度2mm之激光透过吸收性成型构件2。
(24-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方的激光透过吸收性成型构件1之上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度1.0mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表4。
(比较例6)
(6-A)先前之激光透过性成型构件之制作
将聚碳酸酯树脂(帝人公司制的商品名:Panlite L1225Y)500g放入不锈钢制转鼓中,经1小时搅拌混合。将此使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度280℃,模具温度70℃以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透性成型构件。
(6-B)激光焊接体的制造
其次,自激光透过性成型构件彼此衔接叠合一方之激光透过性成型构件上方,将输出10W的激光二极管[波长:940nm连续的](FINE DEVICECO.,LTD制)之激光束4以扫瞄速度1.0mm/sec进行20mm扫瞄,经照射却无法得到激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表4。
(比较例7)
(7-A)先前之激光透过性成型构件之制作
将聚碳酸酯树脂(帝人公司制的商品名:Panlite L1225Y)499.65g,与碳黑(三菱化学公司制的商品名:MA220)0.35g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度280℃,模具温度70℃以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透性成型构件。
(7-B)激光焊接体的制造
其次,自激光透过性成型构件彼此衔接叠合一方之激光透过性成型构件上方,将输出10W的激光二极管[波长:940nm连续的](FINE DEVICECO.,LTD制)之激光束4以扫瞄速度1.0mm/sec进行20mm扫瞄,经照射却无法得到激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表4。
其次,使用聚对苯二甲酸丁二醇酯树脂试作激光透过吸收性成型构件,其次如图1所示于叠合状态下使其激光焊接,将试作适用于本发明之激光焊接体之例子显示于实施例25~27,适用于本发明以外之激光焊接体之例显示于比较例8。
(实施例25)
(25-a)激光透过吸收性成型构件1·2之制作
将聚对苯二甲酸丁二醇酯树脂(三菱工程塑料公司制的商品名:NOVADURAN(注册商标)MY5008)499.99g,与尼格洛辛(东方化学工业股份有限公司制的商品名:CRAMITY(注册商标)81)0.01g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度260℃,模具温度60℃以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1·2。
(25-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方之激光透过吸收性成型构件1上方藉由出力30W的激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度0.6mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
且,该尼格洛辛之NUBIAN(注册商标)BLACK PA9803在DMF中对940nm光之吸收系数ε为6.4×103(ml/g·cm)。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表5。
(实施例26)
(26-a)激光透过吸收性成型构件1·2之制作
将聚对苯二甲酸丁二醇酯树脂(三菱工程塑料 公司制的商品名:NOVADURAN(注册商标)MY5008)499.5g,与尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACK PA9803)0.5g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度260℃,模具温度60℃以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1·2。
(26-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方的激光透过吸收性成型构件1之上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度2.0mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表5。
(实施例27)
(27-a)激光透过吸收性成型构件1·2之制作
将聚对苯二甲酸丁二醇酯树脂(三菱工程塑料公司制的商品名:NOVADURAN(注册商标)MY5008)499.95g,与尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACK PA9803)0.05g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度260℃,模具温度60℃以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1·2。
(27-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方的激光透过吸收性成型构件1之上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度1.0mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表5。
(比较例8)
(8-A)激光透过吸收性成型构件之制作
将聚对苯二甲酸丁二醇酯树脂(三菱工程塑料公司制的商品名:NOVADURAN(注册商标)MY5008)499g,与尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACK PA9803)1g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度260℃,模具温度60℃以一般方法进行成型,制作出二片纵80mm×横50mm×厚度2mm之激光透过吸收性成型构件1·2。
(8-B)激光焊接体的制造
其次,激光透过吸收性成型构件1·2彼此衔接叠合由一方之激光透过吸收性成型构件1上方将输出30W的激光二极管[波长:940nm连续的](FINEDEVICE CO.,LTD制)之激光束4以扫瞄速度0.6mm/sec进行20mm扫瞄,经照射却无法得到激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表5。
其次,使用聚苯硫醚树脂,试作激光透过吸收性成型构件,再如图1所示于叠合状态下使其激光焊接,试作适用于本发明之激光焊接体的例子显示于实施例28~30,适用本发明以外之激光焊接体之例如比较例9所示。
(实施例28)
(28-a)激光透过吸收性成型构件1·2之制作
聚苯硫醚树脂(宝理塑料公司制的商品名:FORTRON(注册商标)0220A9)499.99g,与尼格洛辛(东方化学工业股份有限公司制的商品名:CRAMITY(注册商标)81)0.01g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度310℃,模具温度150℃以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1·2。
(28-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方之激光透过吸收性成型构件1上方藉由出力30W的激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度0.3mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表5。
(实施例29)
(29-a)激光透过吸收性成型构件1·2之制作
聚苯硫醚树脂(宝理塑料公司制的商品名:FORTRON(注册商标)0220A9)499.5g,与尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACK PA9803)0.5g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度310℃,模具温度150℃以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1·2。
(29-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方的激光透过吸收性成型构件1之上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度1.0mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表5。
(实施例30)
(30-a)激光透过吸收性成型构件1·2之制作
聚苯硫醚树脂(宝理塑料公司制的商品名:FORTRON(注册商标)0220A9)499.75g,与尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACK PA9803)0.25g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度310℃,模具温度150℃以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1·2。
(30-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方的激光透过吸收性成型构件1之上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度1.0mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表5。
(比较例9)
(9-A)激光透过吸收性成型构件之制作
将聚苯硫醚树脂(宝理塑料公司制的商品名:FORTRON(注册商标)0220A9)499g,与尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACK PA9803)1g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度310℃,模具温度150℃以一般方法进行成型,制作出二片纵80mm×横50mm×厚度2mm之激光透过吸收性成型构件1·2。
(9-B)激光焊接体的制造
其次,激光透过吸收性成型构件1·2彼此衔接叠合由一方之激光透过吸收性成型构件1上方将输出力30W的激光二极管[波长:940nm连续的](FINEDEVICE CO.,LTD制)之激光束4以扫瞄速度1.0mm/sec进行20mm扫瞄,经照射却无法得到激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表5。
使用聚丙烯树脂,试作激光透过吸收性成型构件,其次如图1所示于叠合状态下使其激光焊接,试作适用于本发明之激光焊接体的例子显示于实施例31~32。
(实施例31)
(31-a)激光透过吸收性成型构件1·2之制作
将聚丙烯树脂(Japan Polypropylene corporation制的商品名:NOVATEC(注册商标)MA04A)499.95g,与萘酞菁(山本化成公司制的商品名YKR-5010)0.05g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度200℃,模具温度40℃以一般方法进行成型,制作出二片纵80mm×横50mm×厚度2mm之激光透过吸收性成型构件1·2。
(31-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方之激光透过吸收性成型构件1上方将输出30W的激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度1.5mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表5。
(实施例32)
(32-a)激光透过吸收性成型构件1·2之制作
将聚丙烯树脂(Japan Polypropylene corporation制的商品名:NOVATEC(注册商标)BC05B)498.0g,与尼格洛辛(东方化学工业股份有限公司制的商品名:NUBIAN(注册商标)BLACK PA9801)2.0g放入不锈钢制转鼓中,经1小时搅拌混合。将所得之混合物使用射出成型机(东洋机械金属公司制的商品名:Si-50),于缸筒温度200℃,模具温度40℃以一般方法进行成型,制作出二片纵80mm×横50mm×厚度1mm之激光透过吸收性成型构件1·2。
(32-b)激光焊接体的制造
其次,将激光透过吸收性成型构件1·2彼此如图1所示使其衔接叠合,由一方的激光透过吸收性成型构件1之上方将输出10W之激光二极管[波长:940nm连续的](FINE DEVICE CO.,LTD制)之激光束4以扫瞄速度2.0mm/sec进行20mm扫瞄,经照射即可得到一体化之激光焊接体。
依据下述所示评估,激光透过吸收性成型构件之吸光度及吸光系数,激光焊接之结果显示于表5。
(物性评估)
将由实施例,比较例所得之成型构件,及该激光焊接体藉由下述方法进行物性评估。
(1)吸光度及吸收系数(εj)之算出方法
吸收系数之算出方法如下所示。使用分光光度计(日本分光公司制的商品名:V-570),对于激光透过吸收性成型构件1·2,
依据其在940nm下之Lambert-Beer的法则(1)
吸光度a=-Log T=-Log{IT/(IO-IR)} ····(1)
(式(1)中,(IO):入射光强度,(IT):透过光强度,(IR):反射光强度)来求得吸光度a1。
又,做成检量线,
吸光度a1=ε1C1L1    …(2)
,由该检量线之斜率可求得吸收系数εj1(1/cm)。且,此外,对于尼格洛辛以外之着色剂的情况亦相同。又,吸光度a2,εj2亦相同。
(2)拉伸强度试验
将由前述实施例,比较例所得之激光焊接体,依据JIS K7113-1995使用拉伸试验机(岛津制作所公司制的商品名:AG-50kNE),于焊接体之长边方向(拉离焊接部之方向)以试验速度10mm/min进行拉伸试验,测定出拉伸焊接强度。
(3)外观之目视观察
将由前述实施例,比较例所得之激光焊接体的焊接部外观进行目视判定。
将上述实施例,比较例所得之激光焊接体的物性评估结果,归纳于表1~表5。
表1
Figure A20068003404500471
表2
Figure A20068003404500481
表3
Figure A20068003404500491
表4
Figure A20068003404500501
表5
Figure A20068003404500511
由表1~5可得知,本发明之激光焊接体为,激光透过吸收性成型构件彼此之间坚固地焊接,具有较大拉伸强度,与良好之激光焊接外观性。
本发明之激光焊接体可作为汽车零件,例如内装之控制板,引擎箱内之共鸣器(消音器),医疗器具例如注入输液等内容物之点滴等所使用的医疗用管,食品包装材料,例如含有流质食物或饮料组成物之喷嘴袋,保特瓶之卷标,家电制品零件,例如外壳等。

Claims (16)

1.一种激光焊接体,其特征为,藉由含有热塑性树脂与激光透过吸收剂使其吸光度a为0.07~2.0的激光透过吸收性成形构件为,系为单一且弯曲到至少一部分被叠合的情况下、或系为复数且各自至少一部分叠合的情况下,藉由吸收照射于此之激光的一部分,而透过该激光之另一部分而发热使其焊接。
2.如权利要求1所述的激光焊接体,其中,该激光透过吸收性成形构件为系为该单一,且至少在其端部将该一部分彼此叠合下,进行焊接者。
3.如权利要求1所述的激光焊接体,其中,该激光透过吸收性成形构件为该复数,且至少在其端部将该一部分彼此叠合下,进行焊接者。
4.如权利要求1所述的激光焊接体,其中,该热塑性树脂为至少一种选自聚酰胺树脂、聚碳酸酯树脂、聚苯硫醚树脂、聚对苯二甲酸丁二醇酯树脂、聚丙烯树脂。
5.如权利要求1所述的激光焊接体,其中,该激光透过吸收性成形构件该吸光度a为0.07~0.8者。
6.如权利要求1所述的激光焊接体,其中,该热塑性树脂为聚酰胺树脂,该激光透过吸收性成形构件为使该吸光度a为0.1~2.0者。
7.如权利要求1所述的激光焊接体,其中,该热塑性树脂为聚碳酸酯树脂者,该激光透过吸收性成形构件为使该吸光度a为0.1~1.8者。
8.如权利要求1所述的激光焊接体,其中,该热塑性树脂为聚丙烯树脂者,该激光透过吸收性成形构件为使该吸光度a为0.1~0.9者。
9.如权利要求1所述的激光焊接体,其中,该激光透过吸收性成形构件为含有至少一种选自聚酰胺树脂、聚碳酸酯树脂及聚丙烯树脂之该热塑性树脂,使对940nm之激光的吸收系数εj为200~8000。
10.如权利要求1所述的激光焊接体,其中,该激光透过吸收性成形构件为含有至少一种选自聚对苯二甲酸丁二醇酯树脂及聚苯硫醚树脂之该热塑性树脂,使对940nm的激光之吸收系数εj为3000~15000。
11.如权利要求1所述的激光焊接体,其中,激光透过吸收性成形构件为复数,被该激光照射之一方的该构件之吸光度a1、与叠合于此之另一方的构件之吸光度a2之比a1/a2为0.8~1.3。
12.如权利要求11所述的激光焊接体,其中,该比a1/a2为1。
13.如权利要求1所述的激光焊接体,其中,该激光透过吸收性成形构件为复数,且一方的该构件之激光透过吸收剂浓度C1(重量%)及其厚度L1(cm)之积C1L1、与另一方之该构件的激光透过吸收剂浓度C2(重量%)及其厚度L2(cm)之积C2L2的至少一方为0.01×10-3~4.0×10-3
14.如权利要求1所述的激光焊接体,其中,该激光透过吸收性成形构件为单一或复数,且其厚度为200~5000μm。
15.如权利要求1所述的激光焊接体,其中,该激光透过吸收剂为相溶于该热塑性树脂之黑色油溶性染料。
16.如权利要求1所述的激光焊接体,其中,该激光透过吸收剂为尼格洛辛染料。
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