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TPU composite material

A technology of composite materials and raw materials, applied in the direction of synthetic resin layered products, lamination, coating, etc., can solve the problems of TPU thickness reduction, silica gel application restrictions, low raw material utilization, etc., and achieve the effect that the adhesion will not decrease

Inactive Publication Date: 2018-03-09
江苏绿艳高分子材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limitation of the adhesion between silica gel and materials, the application of silica gel is limited.
[0003] The Chinese patent with the publication number CN 102357966 A discloses a method for laminating TPU on the surface of silica gel. The patent mentions that silica gel and TPU are welded together in a silica gel mold by hot pressing. Silica gel and TPU are easy to lose, resulting in low raw material utilization and the thickness of TPU will also be reduced, and the adhesion of composite materials will be reduced due to the reduction of TPU thickness

Method used

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  • TPU composite material
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Embodiment 1

[0029] A TPU composite material comprises a silica gel layer 1 and a TPU film 2 which are compounded and connected to each other. The thickness of the silica gel layer 1 is 0.01-10 mm. The TPU film 2 is made of a TPU film with a melting point above 50°C.

[0030] The silica gel layer 1 is formed on the TPU film 2 by compounding silica gel raw materials, and the components of the silica gel raw materials are:

[0031] Vinyl polydimethylsiloxane, filler, platinum catalyst, inhibitor, hydrogen-containing silicone oil, color paste, color paste depends on the desired color.

[0032] The composition and sub-weight of the specific silica gel raw materials are as follows:

[0033] Vinyl polydimethylsiloxane uses 10000mpa.s terminal vinyl silicone oil: 67.6g. It has been proved by experiments that vinyl polydimethylsiloxane contains at least two vinyl groups at the chain end or chain side and silicon The polydimethylsiloxane whose atoms are directly connected has the same effect as ...

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Abstract

The invention discloses a TPU composite material. The TPU composite material comprises a silica gel layer compounded with a TPU film. The silica gel TPU composite material can be prepared by coating arelease film or release paper with silica gel, gluing the TPU film, entering a drying tunnel, vulcanizing below the melting point of the TPU film and stripping the release paper or the release film.The TPU composite material has good bonding performance and high raw material utilization rate; meanwhile, the TPU composite material can be applied to industrial continuous production.

Description

technical field [0001] The invention relates to a polymer composite material, and specifically discloses a TPU composite material. Background technique [0002] Silicone rubber has excellent hydrolysis resistance, stain resistance, dielectric properties, ozone resistance and atmospheric aging resistance, and has a wide temperature range, which can be used at -60°C (or lower temperature) to +250°C (or higher) It is used for a long time under the temperature), so it is widely used. However, due to the limitation of the adhesion between silica gel and materials, the application of silica gel is limited. [0003] The Chinese patent with the publication number CN 102357966 A discloses a method for laminating TPU on the surface of silica gel. The patent mentions that silica gel and TPU are welded together in a silica gel mold by hot pressing. Silica gel and TPU are easy to lose, resulting in low raw material utilization and the thickness of TPU will also be reduced, and the adhe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/06B32B27/40C08L83/07C08L83/05C08K3/36B32B37/06B32B38/00
CPCB32B27/40B32B27/06B32B37/06B32B38/00B32B2037/243B32B2038/0076B32B2255/12B32B2255/20B32B2255/26C08L83/04C08L2205/025C08K3/36
Inventor 刘必增
Owner 江苏绿艳高分子材料有限公司
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