[go: up one dir, main page]

WO2019112236A1 - Composition adhésive thermofusible - Google Patents

Composition adhésive thermofusible Download PDF

Info

Publication number
WO2019112236A1
WO2019112236A1 PCT/KR2018/014850 KR2018014850W WO2019112236A1 WO 2019112236 A1 WO2019112236 A1 WO 2019112236A1 KR 2018014850 W KR2018014850 W KR 2018014850W WO 2019112236 A1 WO2019112236 A1 WO 2019112236A1
Authority
WO
WIPO (PCT)
Prior art keywords
propylene
melt adhesive
hot
elastomer
adhesive composition
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.)
Ceased
Application number
PCT/KR2018/014850
Other languages
English (en)
Korean (ko)
Inventor
이용만
박동훈
박용수
류진영
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.)
LG Chem Ltd
Original Assignee
LG Chem Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from KR1020180148560A external-priority patent/KR20190065943A/ko
Application filed by LG Chem Ltd filed Critical LG Chem Ltd
Publication of WO2019112236A1 publication Critical patent/WO2019112236A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/14—Copolymers of propene
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/10—Homopolymers or copolymers of propene
    • C09J123/14—Copolymers of propene
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers

Definitions

  • the present invention relates to a hot melt adhesive composition.
  • Hotmelt adhesive is an adhesive which is applied by melting by heat and very little volatile organic solvent is discharged.
  • Conventional general-purpose hot-melt adhesives are generally composed of a thermoplastic (thermoplastic) polymer such as an olefin-based copolymer as a base polymer and various waxes added as a tackifier or a viscosity modifier to be.
  • a thermoplastic (thermoplastic) polymer such as an olefin-based copolymer as a base polymer and various waxes added as a tackifier or a viscosity modifier to be.
  • An olefin-based copolymer such as an ethylene-vinyl acetate copolymer, an ethylene-acrylic acid ester copolymer, or ethylene vinyl acetate, which has an excellent flexibility of the base polymer and a low cost, has been widely used.
  • Natural adhesives such as rosin resin and terpene resin, and derivatives and petroleum resins are widely used as adhesion promoters for improving adhesion.
  • Examples of the wax for lowering the viscosity include mineral waxes such as petroleum wax and coal, Low molecular weight polyethylene waxes and the like are widely used .
  • hot-melt adhesives are widely used in various fields such as automobiles, packaging containers, structural materials, and electronic materials, olefin-based adhesives having a low polarity
  • the adhesiveness is not sufficient.
  • the hot-melt adhesive using thermoplastic rubber as a base polymer is excellent in heat resistance and cold resistance, There arises a problem of reduction.
  • a hot-melt adhesive for sanitary materials
  • a hot-melt adhesive composed of an amorphous polyalphaolefin or a styrene copolymer is generally used, but such an adhesive has a disadvantage in that the adhesive strength is poor or low-temperature flowability is poor.
  • styrene copolymer-based adhesives have an odor problem and are replaced by olefins.
  • amorphous polyalphaolefins however, their cohesion is poor and they have drawbacks in sprayability.
  • the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a propylene-based elastomer composition which, by combining two propylene elastomers having different melt viscosity characteristics at a specific temperature, improves low temperature flowability without odor, A hot-melt adhesive composition having improved low-temperature coating processability and a hot-melt adhesive containing the same.
  • an amorphous first propylene-based elastomer having a melt viscosity of less than 50,000 cPs at 190 ° C and a crystallinity of less than 5%
  • a crystalline second propylene elastomer having a melt viscosity of greater than 500,000 cPs at 190 ° C and a crystallinity of greater than 5%
  • the hot-melt adhesive composition is a thermosetting adhesive composition.
  • the present invention also provides a hot-melt adhesive comprising the hot-melt adhesive composition.
  • the present invention also provides a molded article comprising an adhesive layer containing the hot-melt adhesive.
  • the hot-melt adhesive composition and the hot-melt adhesive according to a specific embodiment of the present invention will be described in more detail .
  • the low-temperature flowability is improved without smell, Cohesion is improved and the processability of the low temperature coating is improved, and the present invention has been completed.
  • the hot-melt adhesive composition according to an embodiment of the present invention includes two kinds of propylene-based elastomers having different melt viscosity characteristics at a specific temperature. Specifically, one has a melting viscosity of less than 50,000 cPs at 190 ° C, or a melt viscosity of 10.000 to 40,000 cPs, or 15.000 to 30,000 cPs, and a crystallinity of less than 5%, or 0 to 4%, or 1 (Hereinafter referred to as " first propylene-based elastomer "), which is an amorphous propylene-based elastomer,
  • One has a melt viscosity of greater than 500,000 cPs at 190 ° C, or 550,000 to 900,000 cPs, or 550,000 to 800,000 cPs, and has a crystallinity of greater than 5%, or 5.05 to 20%, or 5.1 to 15 % Of a semi-crystalline propylene elastomer (hereinafter referred to as " second propylene elastomer "). It should be understood, however, that the terms " first " and " second " used throughout this specification and claims are used to arbitrarily order them.
  • the first propylene-based elastomer contained in the hot-melt adhesive composition according to an embodiment of the present invention has a melting point of less than 50,000 cPs at 190 ° C and a crystallinity of less than 5%
  • the elastomer may improve the low-temperature flowability of the hot-melt adhesive composition.
  • the cohesive force of the hot-melt adhesive composition may be deteriorated.
  • the second propylene elastomer may be contained in an amount of 10 to 20 parts by weight based on 10 parts by weight of the first propylene elastomer, To 15 parts by weight.
  • the second propylene-based elastomer is contained in the hot-melt adhesive composition at less than the above-described weight, it is difficult to effectively solve the problem of poor adhesion and cohesive force, and when the above- There is a problem that can get too high.
  • the propylene elastomer according to one embodiment of the present invention is a propylene-ethylene copolymer (1)] (Sun 71 6116-61 6116- 117 1 (: 1, 0130, 61.), a propylene-butylene air copolymer (1 (3 ⁇ 4) 1 3 ⁇ 416- 1 ) 1 ⁇ 1 611 ⁇ 2- (: 01) 0 1, 61 ⁇ ) and a ethylene-propylene-butylene terpolymers (1 3 ⁇ 4, 1 6116-1) 1 1 Ke 6116-1 ) 1 7 1 6116-16 to 0 1, 61 ⁇ ), and more specifically may be a propylene-ethylene copolymer, wherein the propylene-ethylene copolymer is amorphous or It may be semi-crystalline.
  • the first propylene-based elastomer is 190 ° (: from 0 to 50,000? Less than 3, or 10,000 to 40,000 0? 5, or 15,000 to 30,00 (having a melt viscosity of ⁇ 3, a crystallinity (1) is less than 5%, or 0-4%, or 1 to 3.5% amorphous profile X - may be an ethylene copolymer
  • amorphous and semicrystalline propylenic ethylene copolymers can further improve the adhesion and cohesion of the hot melt adhesive composition without using the polypropylene series waxes used in the prior art, .
  • first and second propylene elastomers may be prepared by copolymerizing propylene, alpha-olefins or the like by a well-known method, or commercially available elastomers having the above-mentioned physical properties may be commercially available.
  • a hot-melt adhesive including the hot-melt adhesive composition may be provided.
  • an adhesive resin in addition to the hot-melt adhesive composition described above , an adhesive resin, a plasticizer, a wax , an antioxidant, an elastomer, a pigment, a dye, a filler, an ultraviolet blocking agent, an antistatic agent,
  • an adhesive resin in addition to the hot-melt adhesive composition described above , an adhesive resin, a plasticizer, a wax , an antioxidant, an elastomer, a pigment, a dye, a filler, an ultraviolet blocking agent, an antistatic agent,
  • One or more additives selected from the group consisting of lubricants, slip agents, inorganic powders, kneaders, stabilizers, modifying resins, leveling agents, fluorescent brighteners, dispersants, heat stabilizers, light stabilizers, ultraviolet absorbers and lubricants.
  • additives can be suitably employed in the art, and are not particularly limited.
  • a tackifier resin such as dicyclopentadiene manganese, a mineral oil (), pentaerythritol tetrakis (3_ (3,5-di-naphtho-butyl-4-hydroxyphenyl) propionate 01 6 8 3 (3- (3-, 5-, 7-, 5- 1-4) 1) 101 011 6)), tris (2, 4-di Butyl phenyl) phosphite (1: 1 ⁇ 3 (2,4- 0 1 61 1 : -1 31117 1 1 ) 1 16] 1 1) 1 ) 1031 1 1 6 ) or 2- (2? - benzotriazol-2-yl) - ! ) -Cresol (2_ (2) 1 ⁇ 211201 : 1 1 320 1-2-71) -1 ) -0 6301 ) can be additionally used.
  • a tackifier resin such as dicyclopentadiene manganese, a mineral oil (), pentaerythritol
  • the additive may be used in an amount of 1 to 80% by weight, more specifically 1 to 70% by weight, based on the total weight of the hot-melt adhesive. It does not inhibit the hot-melt adhesive property within the weight range 2019/112236 1 »(: 1 ⁇ 1 ⁇ 2018/014850
  • the hot-melt adhesive composition described above and the hot-melt adhesive containing the hot-melt adhesive composition are obtained by combining two kinds of propylene-based elastomers having different melt viscosity characteristics at a specific temperature to improve the low-temperature flowability without odor, Cohesion is improved, and the low temperature coating processability is improved.
  • the hot-melt adhesive can be widely used not only in the fields of automobiles, packaging containers, structural materials and electronic materials, but also sanitary materials such as diapers, napkins, pads and the like. More specifically, a molded article having an adhesive bond including the hot-melt adhesive can be preferably applied to the various applications described above.
  • the hot-melt adhesive composition of the present invention improves low-temperature flowability without odor, improves adhesion and cohesion, and improves low-temperature coating processability.
  • the hot-melt adhesive containing the hot-melt adhesive composition of the present invention can be widely used not only in the fields of automobiles, packaging containers, structural materials and electronic materials, but also sanitary materials such as diapers, napkins, pads and the like.
  • a hot-melt adhesive was prepared by combining the components shown in Table 1 below. Specifically, the composition as described above was placed in a specific reaction vessel and stirred for 2 hours while maintaining the temperature at 1501 ° C to prepare a hot-melt adhesive.
  • Table 1 EastmaniTd: Aerof inl80 was used as the propylene-ethylene copolymer A (first propylene elastomer), and Vi stamaxx6202 was used as the propylene-ethylene copolymer B (second propylene elastomer) Respectively.
  • melt viscosities of these first and second propylene elastomers were measured at 190 ° C using a Brookfield viscosity meter.
  • the melt viscosity measured by this method was as shown in Table 1 above.
  • the crystallinity of the first and second propylene-based elastomers was measured using a DSC25 instrument manufactured by TA Instrument under a nitrogen atmosphere at a heating rate of 10 ° C / min.
  • the melting enthalpy (AHm) of each of the first and second propylene- And was calculated according to the following formula 1:
  • AHm. A value of 207 J / g as a reference melt enthalpy value of a crystalline propylene elastomer of 100%, and AHm represents a melt enthalpy measurement value of the propylene-based elastomer to be measured.
  • the degree of crystallinity of the propylene-ethylene copolymer A (first propylene-based elastomer) measured by this method was found to be 1.8%, and the propylene-ethylene copolymer B 2 propylenic elastomer) was found to be 5.1%.
  • Viscosity The viscosity of the hot melt adhesive obtained as in the above example was measured on a standard Brookfield viscometer, spindle # 27, 14CTC, using ASTM 3236.
  • Adhesion First, after laminating at 160 ° C for 5 minutes, it is liquefied. After coating it on PET substrate on appl icator heated at 160 ° C, , And the same PET substrate was laminated as a cover film at the same time to prepare an adhesive force sample. The adhesive strength of the prepared sample is measured by a T-peel method through a Texture Analyzer (TA). At this time, the measurement conditions were measured at a room temperature of 0.3 mpm, and samples were cut to a length of 100 mm to 1 inch width.
  • TA Texture Analyzer
  • Spray formation is uniform, but nonwoven adhesive strength is 1.5N / in or less

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

La présente invention concerne une composition adhésive thermofusible comprenant une combinaison de deux élastomères à base de propylène ayant différentes caractéristiques de viscosité à l'état fondu à une température spécifique, et un adhésif thermofusible la comprenant. La composition adhésive thermofusible a une aptitude à l'écoulement à basse température améliorée tout en ne dégageant pas d'odeur, et possède une adhérence et une cohésion améliorées, et présente également une aptitude au traitement d'application améliorée à basses températures.
PCT/KR2018/014850 2017-12-04 2018-11-28 Composition adhésive thermofusible Ceased WO2019112236A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20170165283 2017-12-04
KR10-2017-0165283 2017-12-04
KR1020180148560A KR20190065943A (ko) 2017-12-04 2018-11-27 핫멜트 접착제 조성물
KR10-2018-0148560 2018-11-27

Publications (1)

Publication Number Publication Date
WO2019112236A1 true WO2019112236A1 (fr) 2019-06-13

Family

ID=66751640

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2018/014850 Ceased WO2019112236A1 (fr) 2017-12-04 2018-11-28 Composition adhésive thermofusible

Country Status (1)

Country Link
WO (1) WO2019112236A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013540867A (ja) * 2010-10-15 2013-11-07 エクソンモービル ケミカル パテンツ インコーポレイテッド ポリプロピレンベース接着剤組成物
JP2016532741A (ja) * 2013-07-16 2016-10-20 アイピー アンド パテント マネジメント ウーゲー （ハフトゥングスベシュレンクト）ＩＰ ＆ Ｐａｔｅｎｔ Ｍａｎａｇｅｍｅｎｔ ＵＧ （ｈａｆｔｕｎｇｓｂｅｓｃｈｒａｅｎｋｔ） ホットメルト接着剤およびその使用
JP2017052954A (ja) * 2012-03-09 2017-03-16 エクソンモービル ケミカル パテンツ インコーポレイテッド ポリオレフィン接着剤組成物及びその調製方法
KR20170107982A (ko) * 2014-12-04 2017-09-26 엑손모빌 케미컬 패튼츠, 아이엔씨. 멀티-모달 폴리머 블렌드, 이를 포함하는 핫멜트 접착제 및 그 용도
US20170290945A1 (en) * 2016-04-08 2017-10-12 H.B. Fuller Company High cohesive strength polyolefin construction adhesive

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013540867A (ja) * 2010-10-15 2013-11-07 エクソンモービル ケミカル パテンツ インコーポレイテッド ポリプロピレンベース接着剤組成物
JP2017052954A (ja) * 2012-03-09 2017-03-16 エクソンモービル ケミカル パテンツ インコーポレイテッド ポリオレフィン接着剤組成物及びその調製方法
JP2016532741A (ja) * 2013-07-16 2016-10-20 アイピー アンド パテント マネジメント ウーゲー （ハフトゥングスベシュレンクト）ＩＰ ＆ Ｐａｔｅｎｔ Ｍａｎａｇｅｍｅｎｔ ＵＧ （ｈａｆｔｕｎｇｓｂｅｓｃｈｒａｅｎｋｔ） ホットメルト接着剤およびその使用
KR20170107982A (ko) * 2014-12-04 2017-09-26 엑손모빌 케미컬 패튼츠, 아이엔씨. 멀티-모달 폴리머 블렌드, 이를 포함하는 핫멜트 접착제 및 그 용도
US20170290945A1 (en) * 2016-04-08 2017-10-12 H.B. Fuller Company High cohesive strength polyolefin construction adhesive

Similar Documents

Publication Publication Date Title
KR101819265B1 (ko) 연신 필름 적층 접착제
CN105907337B (zh) 粘合剂及其用途
JP5709749B2 (ja) メタロセン触媒オレフィン−α−オレフィンコポリマーに基づくホットメルト接着剤
JP5646348B2 (ja) ホットメルト接着剤
US3220966A (en) Hot melt adhesive compositions based on an ethylene:propylene copolymer
CA2856710C (fr) Psa contenant des copolymeres blocs olefiniques et des copolymeres blocs styreniques
CN105247001B (zh) 具有改进的性质特性的即用型热熔胶料
AU2019333873B2 (en) Hot melt adhesive compositions
KR102377337B1 (ko) 빨대를 갖는 용기를 위한 핫 멜트 접착제
BR112017007533B1 (pt) Adesivos de colagem a quente
KR102528050B1 (ko) 핫 멜트 접착제
CN101506323A (zh) 具有改进粘合性的热熔性粘合剂
US20130109801A1 (en) Adhesive Compositions and Methods
KR20150052045A (ko) 핫 멜트 접착제
US20160102228A1 (en) Adhesive compositions and the use thereof
EP2895569A1 (fr) Compositions adhésives et leur utilisation
US10160888B2 (en) Propylene-based amorphous poly-alpha-olefins (APAOs) formulated with hexene-1 monomer containing amorphous poly-alpha-olefins for use in hot melt adhesives
WO2019112236A1 (fr) Composition adhésive thermofusible
KR101315785B1 (ko) 전분계 핫멜트 접착제
KR20190065943A (ko) 핫멜트 접착제 조성물
ES2350441B2 (es) Formulacion adhesiva en caliente para el pegado de materiales plasticos
EP4323464A1 (fr) Compositions à base d'interpolymères d'éthylène/alpha-oléfine présentant d'excellentes propriétés d'adhérence

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18885034

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18885034

Country of ref document: EP

Kind code of ref document: A1