Automotive trim skin composite material as well as preparation method and application thereof

A technology for automotive interiors and skins, which is applied in the field of composite materials for automotive interiors and skins and its preparation and application, and can solve problems such as low composite fastness, large amount of flame compounding agent used, and strong odor

Active Publication Date: 2021-02-12
江苏金智达新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] One of the main problems to be solved by the present invention is the problems of low composite fastness, large amount of flame compounding agent and large smell in the flame compounding of automobile interior skin composite materials in the prior art. The invention provides a car interior skin composite material. material, has the advantages of high composite fastness, small amount of flame compounding agent and low odor

Method used

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  • Automotive trim skin composite material as well as preparation method and application thereof
  • Automotive trim skin composite material as well as preparation method and application thereof
  • Automotive trim skin composite material as well as preparation method and application thereof

Examples

Experimental program
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preparation example Construction

[0040] The preparation method of polyether polyol B1 comprises the following steps: (1) 100 parts by weight of propylene glycol react with 767 parts by weight of ethylene oxide to form low-molecular polyether polyol, the reaction time is 8h, and the reaction temperature is 120°C; ( 2) In step 1, 100 parts of low-molecular polyether polyol and 90 parts by weight of phthalic anhydride are polymerized to form polyol I, the reaction time is 8 hours, and the reaction temperature is 120° C.; (3) 100 parts of polyol I in step 2 React with 93 parts by weight of propylene oxide to form polyether polyol B, the reaction time is 6 hours, and the reaction temperature is 125°C.

[0041] The preparation methods of polyether polyol B2 to polyether polyol B4 were carried out according to the steps in Example 1. The only difference was that the reaction raw materials, reaction types, raw material ratios, reaction time and reaction temperature were different. See Table 2 for details.

[0042] Ta...

Embodiment 1

[0047] a) Prepare component I: In container A, add polyether polyol A1: 30 parts, polyether polyol B1: 30 parts, polymer polyol C1: 20 parts, water: 1.8 parts in container A, Dimethylbenzylamine: 0.17 parts, diethylcyclohexylamine, 0.18 parts, dibutyltin dilaurate: 0.12 parts, SI-2302: 0.7 parts, YK-68LE: 5 parts, FLE-200LF: 1 part, uniform Stirring, the stirring speed is 2500rpm / min, and the temperature of the mixed material is 25°C;

[0048] b) Preparation of component II: In container A, add 80% by weight of 2,4-dimethylphenyl diisocyanate and 20% by weight of a mixture of 2,6-dimethylphenyl diisocyanate The number is 28 parts, stirred for 6 seconds to obtain material I, and the stirring speed is 3000rpm / min;

[0049] c) Quickly pour the material I into a foaming box for aging for 48 hours. After aging, a composite material for automotive interior skin is prepared. The performance data of the prepared automotive interior skin composite materials are shown in Table 5.

[...

Embodiment 2-10

[0052] Embodiments 2 to 10 were carried out according to the steps in Embodiment 1. The only difference was that the reaction raw materials, reaction types, catalyst types, raw material ratios, reaction time and reaction temperature were different. See Table 3 for details. The prepared automobile interior decoration The performance data of the skin composite materials are shown in Table 5.

[0053] The parts by weight of raw materials of each component in table 3 embodiment 1-10

[0054]

[0055]

[0056]

[0057]

[0058]

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Abstract

The invention relates to a material for compounding an automotive trim skin as well as a preparation method and application of the material, and mainly solves the problems of low compounding fastness,high flame compounding agent consumption and strong smell of the material for compounding the automotive trim skin in flame compounding in the prior art. According to the technical scheme, the material for compounding the automotive trim skin is prepared from a component I and a component II, the weight part ratio of the component I to the component II is 100: (20-60), and the component I comprises, by weight, 30-60 parts of polyether polyol A, 30-60 parts of polyether polyol B, 10-40 parts of polymer polyol C, 1-5 parts of water, 0.1-1 part of amine catalysts, 0.1-1 part of tin catalysts, 0.5-2 parts of foam stabilizers, 2-12 parts of flame retartant, and 0.5-5 parts of a flame complexing agent; The component II comprises the following components in parts by weight: 20-60 parts of isocyanate and a preparation method of the component II. According to the technical scheme, a better technical effect is achieved, and the component II can be applied to industrial production of the material for compounding the automotive trim skin.

Description

technical field [0001] The invention relates to a composite material for automobile interior trim skin and its preparation method and application. Background technique [0002] In the prior art, automotive interior skin composite materials usually use polyurethane automotive flame composite sponges and fabrics or leather composites to be used in automotive interiors; polyurethane automotive flame composite sponges can be mainly divided into polyether sponges and polyester sponges. , The production process of polyether sponge is simple, its performance is slightly worse than that of polyester sponge, and its cost is lower. It is mainly used in low-end models; the production process of polyester sponge has high requirements for equipment, and the produced sponge has good performance and high price. Mainly used in high-end models. [0003] At present, the flame composite sponge with the largest amount on the market is polyether polyurethane sponge, that is, the main raw materi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G18/63C08G18/48C08K5/524C08K5/49C08K5/3492C08K3/22C08K3/04C08G101/00
CPCC08G18/4072C08G18/632C08G18/4804C08K5/524C08K5/49C08K5/34922C08K3/22C08K3/04C08K2003/2227
Inventor 张兆亮闵建华
Owner 江苏金智达新材料有限公司
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