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Thermoplastic elastomer composition as well as preparation method and application thereof

A technology of thermoplastic elastomer and composition, applied in the field of thermoplastic elastomer composition and its preparation, can solve the problems of foaming agent injection molding process and temperature sensitivity, nozzle material cannot be recycled and remanufactured, and product quality is uneven, etc., to achieve excellent Mechanical properties, ensuring the balance of product performance, and improving the effect of tear strength

Active Publication Date: 2021-05-04
盛嘉伦橡塑(河源)有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Today's pillow products mostly use sponge materials and natural rubber, but sponge materials are difficult to clean, easy to breed bacteria, and are not conducive to people's health; while natural rubber is difficult to process, difficult to recycle, and has a strong smell
Due to the excellent elasticity and air permeability of TPE, some TPE pillow products have appeared on the market, but TPE pillows are heavier than sponge pillows. Most manufacturers reduce the specific gravity of the material by adding foaming agents. The requirements are very high, and the foaming agent is sensitive to the injection molding process and temperature, which is difficult to control, which leads to uneven product quality, and the nozzle material cannot be recycled.

Method used

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  • Thermoplastic elastomer composition as well as preparation method and application thereof
  • Thermoplastic elastomer composition as well as preparation method and application thereof
  • Thermoplastic elastomer composition as well as preparation method and application thereof

Examples

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preparation example Construction

[0060] The present invention also provides a preparation method of the thermoplastic elastomer composition, comprising the steps of:

[0061] Mixing the hollow glass microspheres, mineral oil and coupling agent to prepare mixture A;

[0062] The mixture A and the styrene block copolymer described were mixed.

[0063] By adding step by step, the hollow glass microspheres, mineral oil and coupling agent are mixed first, which is equivalent to treating the surface of the hollow glass microspheres, which is beneficial to improve the hollow glass microspheres and the styrene block. The compatibility between the copolymers and the improvement of the dispersibility of the hollow glass microspheres in the thermoplastic elastomer composition are beneficial to the performance balance of each part and can reduce the explosion rate of the hollow glass microspheres.

[0064] In one of the embodiments, the formulation of the thermoplastic elastomer composition contains thermoplastic resin ...

Embodiment 1

[0074] This embodiment provides a thermoplastic elastomer composition and a preparation method thereof.

[0075] (1) In parts by weight, the raw materials for the preparation of thermoplastic elastomer composition 1 are as follows:

[0076]

[0077] (2) Preparation of thermoplastic elastomer composition 1:

[0078] a: Add mineral oil and coupling agent to the high mixer in turn, mix and stir at high speed at 50HZ, stir for 1 to 2 minutes, then add hollow glass microspheres to the high mixer, rotate at low speed at 10HZ, and stir for 2 to 5 minutes ;

[0079] b: Add the styrene block copolymer SEBS 6151 and SEBS1654 into the high mixer, mix the mixture A, rotate 10HZ at a low speed after adding, and then set the time for 5 to 10 minutes to mix the styrene block copolymer and mineral oil Uniformly and fully absorb oil to prepare mixture B;

[0080] c: Pour mixture B into the internal mixer, add thermoplastic resin HM-1000, thermoplastic polar substance EMAAC1125, antioxida...

Embodiment 2

[0083] This embodiment provides a thermoplastic elastomer composition and a preparation method thereof.

[0084] (1) In parts by weight, the raw materials for the preparation of thermoplastic elastomer composition 2 are as follows:

[0085]

[0086]

[0087] (2) Preparation of thermoplastic elastomer composition 2:

[0088] The preparation method is the same as in Example 1, and a thermoplastic elastomer composition 2 is prepared.

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Abstract

The invention relates to a thermoplastic elastomer composition as well as a preparation method and application thereof. The thermoplastic elastomer composition is prepared from the following raw materials in parts by weight: 15-45 parts of a styrene block copolymer; 45 parts to 80 parts of mineral oil; 5 to 30 parts of hollow glass beads; and 0.1 to 2 parts of a coupling agent; the real density of the hollow glass beads is less than or equal to 0.6 g / cm < 3 >. The thermoplastic elastomer composition is light, soft, environment-friendly, recyclable, easy to process, high in strength, good in rebound resilience and not prone to bacterium breeding, and can be used for preparing pillows, mattresses, seat cushions, back cushions, ground mats and other daily necessities.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to a thermoplastic elastomer composition and its preparation method and application. Background technique [0002] Thermoplastic Elastomer (Thermoplastic Elastomer, TPE) is a kind of elastomer that has the elasticity of rubber at room temperature and can be plasticized at high temperature. It is also called artificial rubber or synthetic rubber. It has the high elasticity, aging resistance and oil resistance of traditional cross-linked vulcanized rubber. It has various excellent performances such as anti-corrosion resistance, and at the same time, it has the characteristics of convenient processing and wide processing methods of ordinary plastics. TPE can be produced by conventional processing methods such as injection molding, extrusion, blow molding, etc., and finished products can be prepared without vulcanization, which simplifies the processing process, reduces energy consumpti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L91/06C08L53/02C08K7/28
CPCC08L91/06C08L2205/035C08L2205/025C08L2207/04C08L53/025C08K7/28
Inventor 黄勇成李文星李萍邱廷模
Owner 盛嘉伦橡塑(河源)有限公司
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