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Environment-friendly low-hardness high-resilience thermoplastic elastomer and preparation method thereof

A thermoplastic elastomer, low hardness technology, applied in the emerging applications of thermoplastic elastomers, thermoplastic elastomer materials, can solve the problems of low hardness, high resilience, complex processing technology, etc., to improve high temperature aging performance, improve low temperature pressure change performance, the effect of excellent mechanical properties

Active Publication Date: 2022-04-22
NANJING JULONG SCI&TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a relatively low cost, relatively low processing technology for the problems of high cost, low output, complex processing technology and other technical defects of existing thermoplastic elastomers used in household rubber products and physiotherapy rubber products. Simple, low hardness, low oil release, high resilience, low odor thermoplastic elastomer for household rubber products

Method used

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  • Environment-friendly low-hardness high-resilience thermoplastic elastomer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A method of preparing a thermoplastic elastomer having a high-capacity of low-hardness high rebounded, and the specific preparation process is as follows:

[0036] Preparation of complex additive masterbatch: Silicone elastomer as a matrix, adding auxiliary stearate, porous silicone, by an interstitial mechanism, wherein the mass ratio of the matrix and the aid is 1: 0.4.

[0037] Each raw material is referred to in weight of the weight: 20 parts of hydrogenated hydrogenated hydride of 3 g / 10 min, 5 parts of hydrogenated hydride of 20 g / 10 min, 100 parts of full refined paraffin oil, 20 copulation of superfine calcium carbonate , 0.5 parts of antioxidants, 2 compound aid masterbatch.

[0038] After stirring the rubber in a high mixing machine, the oil was added, stirred for 30 min.

[0039] Add resins, fillers, antioxidants, and compound additive masterbits, and mix well sequentially in the rubber-filled rubber.

[0040] In the feeder of mixed raw materials, fed into th...

Embodiment 2

[0044] A method of preparing a thermoplastic elastomer having a high-capacity of low-hardness high rebounded, and the specific preparation process is as follows:

[0045] Preparation of complex additive masterbatch: Silicone elastomer as a matrix, adding auxiliary stearate, meantite powder, is made into a compound auxiliary agent, wherein the mass ratio of the matrix and the auxiliary It is 1: 0.3.

[0046]Each raw material was referred to in weight of the weight: 40 parts of hydrogenated hydride of 3 g / 10 min, 20 parts of hydrogenated reside of 25 g / 10 min, 100 parts of allyl alkyl silicone oil, 25 parts of talc , 3 antioxidants, 10 parts of the auxiliary agent masterbatch.

[0047] After stirring the rubber in a high mixing machine, the oil was added, stirred for 30 min.

[0048] Add resins, fillers, antioxidants, and compound additive masterbits, and mix well sequentially in the rubber-filled rubber.

[0049] In the feeder of mixed raw materials, fed into the twin screw ext...

Embodiment 3

[0053] A method of preparing a thermoplastic elastomer having a high-capacity of low-hardness high rebounded, and the specific preparation process is as follows:

[0054] Preparation of complex additive masterbatch: Silicone elastomer as a matrix, add auxiliary porous silicone, a mesoporous titanium dioxide powder, and is prepared by a mesh, wherein the mass ratio of the matrix and the auxiliary is 1: 0.4.

[0055] According to the weight of the weight, each raw material is obtained: 30 parts of hydrogenated hydride of 3 g / 10 min, 8 parts of liquid trihydropl rubber, 75 parts of liquid polydimethylsiloxane, 15 superfine calcium carbonate, 1.5 parts of antioxidants and 6 servings of the compound aid master.

[0056] After stirring the rubber in a high mixing machine, the oil was added, stirred for 30 min.

[0057] Add resins, fillers, antioxidants, and compound additive masterbits, and mix well sequentially in the rubber-filled rubber.

[0058] In the feeder of mixed raw material...

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Abstract

The invention discloses an environment-friendly low-hardness high-resilience thermoplastic elastomer, and belongs to the technical field of thermoplastic elastomer materials. The environment-friendly low-hardness high-resilience thermoplastic elastomer is prepared from the following components in parts by weight: 15 to 60 parts of medical grade rubber, 50 to 100 parts of medical grade oil, 1 to 30 parts of filler, 0.2 to 3 parts of antioxidant, 0.1 to 1 part of foaming agent and 1.5 to 10 parts of compound auxiliary master batch. The invention further discloses a preparation method. The thermoplastic elastomer prepared by the invention solves the problem of oil leakage of the elastomer at low hardness, enhances the rebound resilience and greatly reduces the odor.

Description

Technical field [0001] The present invention relates to the technical field of thermoplastic elastomer materials, and more particularly to a thermoplastic elastomer having a high-residential rebound, a preparation method thereof, is applied to home rubber products, a physiotherapy rubber product, which belongs to the emerging application of thermoplastic elastomers. Background technique [0002] The physical properties of the thermoplastic elastomer (TPE, THERMOPLASTIC ELASTOMER) are between plastics and rubber, both of which have rubber elastic, and is equipped with plastics, which belongs to a class of high-performance materials for a class of composite structures. Since the 1990s, the thermoplastic elastic body has been developing rapidly, and has been widely used in high-end electric tools, electronic appliances, instrumentation, wire and cable, medical equipment, etc., have constituted a new type of industrial raw material system. In the field of home bedding, traditional la...

Claims

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Application Information

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IPC IPC(8): C08L91/06C08L83/07C08L83/04C08L53/02C08L23/16C08K3/26C08K5/098C08K3/34C08K7/24C08J9/12C08J9/10C08J9/00
CPCC08J9/122C08J9/103C08J9/0061C08J9/0095C08J2391/06C08J2453/02C08J2483/04C08J2423/16C08J2383/07C08J2383/04C08J2203/06C08J2203/04C08K2003/265C08K5/098C08K3/34C08K7/24
Inventor 韩宇豪刘曙阳陆体超周小梅姚伟
Owner NANJING JULONG SCI&TECH CO LTD
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