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A high weather resistance and high adhesion adhesive and ffc wire reinforcement board

An adhesive and reinforcing plate technology, which is applied in the directions of non-polymer adhesive additives, adhesives, adhesive types, etc., can solve the problems of local adhesion decline, rapid aging failure, and easy falling off of reinforcing plates. To achieve the effect of improving thermal stability and long-term application temperature resistance, high weather resistance and adhesion strength retention ability, high adhesion strength retention ability

Active Publication Date: 2021-11-30
广东莱尔新材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the FFC wires on the market are used in a long-term high-temperature environment, and the reinforcing plate is prone to problems such as local adhesion loss, easy fall off, and rapid aging failure.

Method used

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  • A high weather resistance and high adhesion adhesive and ffc wire reinforcement board
  • A high weather resistance and high adhesion adhesive and ffc wire reinforcement board
  • A high weather resistance and high adhesion adhesive and ffc wire reinforcement board

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0034] Further illustrate, its preparation method comprises the following steps:

[0035] (1) Put unsaturated polyester resin C into the mixing tank and pre-mix for 2 minutes, add acrylate monomer and mix evenly, then add stabilizer and filler and mix evenly, under the condition of processing temperature of 100-180°C, Extrude, cool and granulate to obtain functional masterbatch;

[0036] (2) Uniformly put the saturated polyester resin A, the saturated polyester resin B and the functional masterbatch of step (1) into a coating machine with a processing temperature of 120-200°C.

[0037] An FFC wire reinforcement board made of an adhesive, including a hot melt adhesive layer and an ink layer;

[0038] The hot-melt adhesive layer is attached to the ink layer; the hot-melt adhesive layer is prepared by the adhesive.

[0039] To further illustrate, it also includes: an insulating film layer;

[0040] The insulating film layer, the ink layer and the hot-melt adhesive layer are la...

Embodiment A

[0052] A kind of FFC wire reinforcing plate, prepared according to the following steps:

[0053] (1) Put the unsaturated polyester resin C into the mixing tank for pre-mixing for 4 minutes, add the formula amount of acrylate monomer and mix evenly, then add the stabilizer and filler and mix evenly according to Table 1. The processing temperature is 150°C Under the condition of extruding, cooling and pelletizing to obtain functional masterbatch;

[0054] (2), mix saturated polyester resin A, saturated polyester resin B and the functional masterbatch of step (1) according to the ratio of Table 1, and put them into the laminating machine at a processing temperature of 180°C, and pour the hot melt adhesive on On the pre-coated substrate, after cooling, traction, and winding, the FFC wire reinforcement board with high weather resistance and high adhesion is obtained.

[0055] The glass transition temperature of polyester resin A is 20°C, and the molecular weight is 20,000-30,000; ...

Embodiment B

[0068] A kind of FFC wire reinforcing plate, prepared according to the following steps:

[0069] (1) Put the unsaturated polyester resin C into the mixing tank and pre-mix for 4 minutes, add the formula amount of acrylate monomer and mix evenly, then add stabilizers and fillers and mix evenly, under the condition that the processing temperature is 150°C , extruded, cooled and pelletized to obtain functional masterbatch;

[0070] (2) Mix the saturated polyester resin A, saturated polyester resin B and the functional masterbatch ratio of step (1) evenly, put it into the laminating machine with a processing temperature of 180°C, and coat the hot melt adhesive on the pre-coated ink On the base material, after cooling, traction and winding, the FFC wire reinforcement board with high weather resistance and high adhesion is obtained.

[0071] The stabilizer was a combination of 2-(2-hydroxy-5-methylphenyl)benzotriazole and 2-hydroxy-4-methoxybenzophenone. The acrylate monomer is tr...

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Abstract

A binder with high weather resistance and high adhesion and FFC wire reinforcement board, the binder includes: 50-80 parts of saturated polyester resin A, 10-35 parts of saturated polyester resin B, 10-25 parts of function Masterbatch; the functional masterbatch includes: 80-90% of unsaturated polyester resin C, 2-12% of acrylate monomer, 0.5-5% of stabilizer and the rest of filler. The FFC wire reinforcing plate is provided with an insulating film layer, the hot melt adhesive layer and the ink layer; the present invention adopts the functional resin with added stabilizer by selecting polyester resins with different glass transition temperatures, which not only improves the reinforcement The adhesion of the board to the FFC cable improves the thermal stability of the production process and the long-term application temperature resistance, and can effectively avoid the thickness fluctuation of the polyester resin due to thermal instability during high-temperature processing and production.

Description

technical field [0001] The invention relates to the technical field of FFC wires, in particular to an adhesive with high weather resistance and high adhesion and an FFC wire reinforcing plate. Background technique [0002] FFC (Flexible Flat Cable) is made of insulating hot-melt tape with PET as the base material and extremely thin tinned flat copper wire through automatic rolling lamination machine. It is soft and foldable, thin in thickness, small in size, Simple connection, convenient disassembly and so on. Widely used in the connection between the print head of the printer and the main board, various signal transmissions of plotters, scanners, copiers, audio, liquid crystal displays and other products. [0003] The reinforcement plate is surface mounted on the end of the FFC wire to ensure the required installation strength. At present, the FFC wires on the market are used in a long-term high-temperature environment, and the reinforcing plate is prone to problems such ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J167/00C09J151/08C09J11/04C09J11/06H01B7/04H01B7/08H01B7/18H01B7/29
CPCC08L2205/025C08L2205/03C09J11/04C09J11/06C09J167/00H01B7/04H01B7/08H01B7/18H01B7/29C08L67/00C08L51/08C08K5/3475C08K5/132C08K3/34C08K3/36
Inventor 李政陈育淳
Owner 广东莱尔新材料科技股份有限公司
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