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CN105818323A - Process for attaching plastic film layer to carbon fiber surface layer - Google Patents

Process for attaching plastic film layer to carbon fiber surface layer Download PDF

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Publication number
CN105818323A
CN105818323A CN201610283706.2A CN201610283706A CN105818323A CN 105818323 A CN105818323 A CN 105818323A CN 201610283706 A CN201610283706 A CN 201610283706A CN 105818323 A CN105818323 A CN 105818323A
Authority
CN
China
Prior art keywords
carbon fiber
preparation
plastic membranous
membranous layer
product
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.)
Pending
Application number
CN201610283706.2A
Other languages
Chinese (zh)
Inventor
李远发
谭魏
谢光亮
唐维才
黄维中
陈善荣
宋卓能
铃木良久
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.)
KA SHUI TECHNOLOGY (HUIZHOU) Co Ltd
Original Assignee
KA SHUI TECHNOLOGY (HUIZHOU) Co 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
Application filed by KA SHUI TECHNOLOGY (HUIZHOU) Co Ltd filed Critical KA SHUI TECHNOLOGY (HUIZHOU) Co Ltd
Priority to CN201610283706.2A priority Critical patent/CN105818323A/en
Publication of CN105818323A publication Critical patent/CN105818323A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14311Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles using means for bonding the coating to the articles

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

The invention discloses a preparation method for preparing a product by attaching a plastic film layer to a carbon fiber surface layer. The preparation method comprises the steps of: S1, laying the plastic film layer on a carbon fiber surface, then obtaining a solid-state carbon fiber reinforced composite by using a hot pressing process; S2, processing the solid-state carbon fiber reinforced composite to obtain a solid-state carbon fiber reinforced composite in a required shape; and S3, putting the solid-state carbon fiber reinforced composite in the required shape obtained by the step S2 into a die and carrying out injection molding in the die. Through the preparation method, the plastic film layer is adopted, so that the binding force between the plastic and the carbon fiber is greatly improved, and thus the mechanical performance of the product is greatly improved in the absence of glue.

Description

A kind of technique of carbon fiber top layer attachment plastic membranous layer
Technical field
The present invention relates to field of compound material, more particularly, to the technique of a kind of carbon fiber top layer attachment plastic membranous layer.
Background technology
Carbon fiber is the new material of a kind of excellent in mechanical performance, its proportion is less than the 1/4 of steel, carbon fiber resin composite material (CFRP) tensile strength, the most all at more than 3500Mpa, is 7~9 times of steel, and tensile modulus of elasticity is 230~430Gpa to be also higher than steel.Therefore the specific strength of the CFRP i.e. intensity of material can reach more than 2000Mpa/ (g/cm3) with the ratio of its density, and the specific strength of A3 steel is only 59Mpa/ (g/cm3) left and right, and its specific modulus is also high than steel.The most predictive of the bright prospects of carbon fiber, from civilian industries such as space flight, aviation, automobile, electronics, machinery, chemical industry, light textiles to sports equipment and leisure goods etc..
But carbon fiber is due to its material behavior, making is difficult to for labyrinth relatively fine in structure or cost of manufacture is too high, the class formation such as such as buckle, back-off, screw column, muscle position, thus use carbon fiber to need to complete labyrinth by in-mould injection technique (IML) when making a complete product.The combination of carbon fibre+injection bi-material, needs to solve the bonding force problem after carbon fiber base material is injected with plastic material.
Carbon fiber is by the moulding process such as vacuum, hot pressing, carbon fibre precursor and various resin combination to be prepared, topmost carbon fiber forming resin is the thermosetting resin such as epoxy resin and unsaturated-resin, this two resinoid substantially can not bond with plastics, needs to complete by glue or other ameliorative technique.Meanwhile, the releasing agent used in mould during carbon fiber forming, when also can affect injection, carbon is fine bonding with plastic cement, in this context, and the application of the present invention, it is fully solved plastic cement and is combined problem with fiber, make the both sides can be the most bonding.Improve its product and combine mechanical property.
Summary of the invention
It is an object of the invention to, in the case of not using glue so that carbon fiber and plastic cement firmly combine.
Present invention firstly provides a kind of preparation method utilizing carbon fiber top layer attachment plastic membranous layer to prepare product, comprise the following steps,
S1. lay plastic membranous layer at carbon fiber surface, then use heat pressing process, obtain solid carbon fibre reinforced composites;
S2. solid carbon fibre reinforced composites are processed, it is thus achieved that the solid carbon fibre reinforced composites of required form,
S3. the solid carbon fibre reinforced composites of the required form of S2 gained are put in mould, carry out in-mould injection molding.
The temperature of the heat pressing process described in S1 is 150 ~ 200 DEG C, and the time is 50 ~ 450s.
It is processed as CNC or Water Cutting described in S2.
Plastic membranous layer described in S1 is vinyon.
The raw material that in-mould injection described in S3 uses is similar with the material performance of the plastic membranous layer described in S1.
Carbon fiber surface of the present invention is initially formed described coherent film layer, carry out carbon fiber again when being combined in-mould injection, described film layer gives the good adhesion of carbon fibre material and plastic cement, the mechanical property that reinforcing fiber materials is combined with plastic cement, and has good processing characteristics.
The invention have the advantages that
1. the present invention strengthens the protection to carbon fiber product top layer, simplifies carbon fiber product in-mould injection production technology, and reduces processing technique, reduces bad order rate, and the method reducing tradition cementing, thus Improving The Quality of Products reduce cost, improve productivity effect.
2. the present invention can be widely applied to the civilian industries such as space flight, aviation, automobile, electronics, machinery, chemical industry, light textile to the industry such as sports equipment and leisure goods.
3. the present invention uses carbon fiber and described plastic film layer hot-forming, is processed by CNC, is then placed in the mode of mold cavity in-mould injection molding, makes the composition surface seamless connection of plastic cement and carbon fiber, the most fused, effective improving product mechanical property.
Detailed description of the invention
The present invention is further described below in conjunction with specific embodiment.Unless stated otherwise, reagent, equipment and the method that the present invention uses is the art conventional commercial reagent, equipment and conventional use of method.
Embodiment 1
1) carbon fiber presses 0 degree, and the different angles such as 90 degree or 45 degree are superimposed as desired thickness, finally at the upper and lower surface described plastic membranous layer of laminating,
2) plastic membranous layer described in carbon fiber peacekeeping cuts into product required size, puts in hot pressing die, hot-forming,
3) hot-forming by process above, obtain solid carbon fibre reinforced composites, described film layer has been adhered on sample top layer, is fabricated to required sample by the mode of CNC or the processing of Water Cutting.
4) finally sample is put in plastic mould, in-mould injection molding, make plastic cement and carbon fiber seamless connection.The most fused, improve it and combine mechanical property, wait whole process.
Embodiment 2
A kind of preparation method utilizing carbon fiber top layer attachment plastic membranous layer to prepare product, comprises the following steps,
S1. laying plastic membranous layer at carbon fiber surface, then use heat pressing process, obtain solid carbon fibre reinforced composites, the temperature of heat pressing process is 150 ~ 200 DEG C, and the time is 50 ~ 450s, and the material of plastic membranous layer is vinyon;
S2. solid carbon fibre reinforced composites are carried out Water Cutting, it is thus achieved that the solid carbon fibre reinforced composites of required form,
S3. putting in mould by the solid carbon fibre reinforced composites of the required form of S2 gained, carry out in-mould injection molding, the raw material that in-mould injection uses is PC.
Embodiment 3
A kind of preparation method utilizing carbon fiber top layer attachment plastic membranous layer to prepare product, comprises the following steps,
S1. laying plastic membranous layer at carbon fiber surface, then use heat pressing process, obtain solid carbon fibre reinforced composites, the temperature of heat pressing process is 150 ~ 200 DEG C, and the time is 50 ~ 450s, and the material of plastic membranous layer is vinyon;
S2. solid carbon fibre reinforced composites are carried out CNC, it is thus achieved that the solid carbon fibre reinforced composites of required form,
S3. putting in mould by the solid carbon fibre reinforced composites of the required form of S2 gained, carry out in-mould injection molding, the raw material that in-mould injection uses is PP.
Embodiment 4 Mechanics Performance Testing.
The product of embodiment 1-3 is carried out the Mechanics Performance Testing of product, is shown in Table 1
Table 1
Density g/cm3 Hardness HB Tensile strength MPa Yield strength MPa Elongation at break %
Embodiment 1 1.7 56 3800 3850 3.2
Embodiment 2 1.7 63 4500 4400 4.6
Embodiment 3 1.7 62 4600 4700 3.7
The present invention, in the case of not using any glue, still ensure that the mechanical property of product.

Claims (5)

1. one kind utilizes the preparation method that carbon fiber top layer attachment plastic membranous layer prepares product, it is characterised in that comprise the following steps,
S1. lay plastic membranous layer at carbon fiber surface, then use heat pressing process, obtain solid carbon fibre reinforced composites;
S2. solid carbon fibre reinforced composites are processed, it is thus achieved that the solid carbon fibre reinforced composites of required form,
S3. the solid carbon fibre reinforced composites of the required form of S2 gained are put in mould, carry out in-mould injection molding.
The preparation method utilizing carbon fiber top layer attachment plastic membranous layer to prepare product the most according to claim 1, it is characterised in that the temperature of the heat pressing process described in S1 is 150 ~ 200 DEG C, and the time is 50 ~ 450s.
The most according to claim 1 carbon fiber top layer attachment plastic membranous layer is utilized to prepare the preparation method of product, it is characterised in that described in S2, to be processed as CNC or Water Cutting.
The preparation method utilizing carbon fiber top layer attachment plastic membranous layer to prepare product the most according to claim 1, it is characterised in that the plastic membranous layer described in S1 is vinyon.
The preparation method utilizing carbon fiber top layer attachment plastic membranous layer to prepare product the most according to claim 1, it is characterised in that the raw material that the in-mould injection described in S3 uses is similar with the material performance of the plastic membranous layer described in S1.
CN201610283706.2A 2016-05-03 2016-05-03 Process for attaching plastic film layer to carbon fiber surface layer Pending CN105818323A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610283706.2A CN105818323A (en) 2016-05-03 2016-05-03 Process for attaching plastic film layer to carbon fiber surface layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610283706.2A CN105818323A (en) 2016-05-03 2016-05-03 Process for attaching plastic film layer to carbon fiber surface layer

Publications (1)

Publication Number Publication Date
CN105818323A true CN105818323A (en) 2016-08-03

Family

ID=56527988

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610283706.2A Pending CN105818323A (en) 2016-05-03 2016-05-03 Process for attaching plastic film layer to carbon fiber surface layer

Country Status (1)

Country Link
CN (1) CN105818323A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107234775A (en) * 2017-06-30 2017-10-10 北京汽车股份有限公司 Auto door inner plating preparation method, Auto door inner plating and automobile
CN109532054A (en) * 2018-11-02 2019-03-29 杭州超探新材料科技有限公司 A kind of moulding process of composite material structural member

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1732083A (en) * 2002-12-27 2006-02-08 东丽株式会社 Laminate, electromagnetic-shielding molded product and manufacture method thereof
CN102285017A (en) * 2011-08-30 2011-12-21 东莞劲胜精密组件股份有限公司 Manufacturing method of carbon fiber shell
CN102686059A (en) * 2012-04-26 2012-09-19 华为终端有限公司 Composite board shell, manufacturing method thereof and electronic device
CN104859267A (en) * 2014-02-20 2015-08-26 联想(北京)有限公司 Housing preparation method and electronic device
CN104985745A (en) * 2015-06-08 2015-10-21 上海电机学院 Carbon fiber plate flatness correction method for top panel of laptop

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1732083A (en) * 2002-12-27 2006-02-08 东丽株式会社 Laminate, electromagnetic-shielding molded product and manufacture method thereof
CN102285017A (en) * 2011-08-30 2011-12-21 东莞劲胜精密组件股份有限公司 Manufacturing method of carbon fiber shell
CN102686059A (en) * 2012-04-26 2012-09-19 华为终端有限公司 Composite board shell, manufacturing method thereof and electronic device
CN104859267A (en) * 2014-02-20 2015-08-26 联想(北京)有限公司 Housing preparation method and electronic device
CN104985745A (en) * 2015-06-08 2015-10-21 上海电机学院 Carbon fiber plate flatness correction method for top panel of laptop

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107234775A (en) * 2017-06-30 2017-10-10 北京汽车股份有限公司 Auto door inner plating preparation method, Auto door inner plating and automobile
CN109532054A (en) * 2018-11-02 2019-03-29 杭州超探新材料科技有限公司 A kind of moulding process of composite material structural member

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Application publication date: 20160803