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Low-TVOC thermoplastic elastomer composition for automotive interior trim and preparation method of low-TVOC thermoplastic elastomer composition

A technology for thermoplastic elastomers and automotive interiors, applied in the field of thermoplastic elastomer compositions and their preparation, can solve problems such as difficult detection, inability to enter automotive interior parts, failure to meet use requirements, etc., achieve low specific gravity and simple processing Effect

Inactive Publication Date: 2015-11-18
杨洋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, ordinary domestic thermoplastic elastomer materials are difficult to pass the test of this standard, cannot meet the use requirements, and cannot enter the threshold of automotive interior parts

Method used

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  • Low-TVOC thermoplastic elastomer composition for automotive interior trim and preparation method of low-TVOC thermoplastic elastomer composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～4

[0027] In Examples 1 to 4, the olefin block copolymer was produced by the Dow Chemical Company under the trade name of Infuse9807; the styrene-ethylene-butylene-styrene block copolymer was produced by the US Keteng Company under the trade name of G1651. Styrene-ethylene-butylene-styrene block copolymer; homo-polypropylene is homo-PP produced by SK Petrochemical Company in South Korea, the trade name is PPR370Y; naphthenic oil is naphthenic oil produced in Xinjiang Karamay, the trade name It is KN4010; the antioxidant is a hindered phenolic antioxidant, specifically AO1010 of Ciba Company.

Embodiment 1

[0029] The raw materials used include styrene-ethylene-butene-styrene block copolymer (SEBS6151) 35kg, naphthenic oil (KN4010) 9.9kg, olefin block copolymer (Infuse9807) 40kg, homopolypropylene (PPR370Y) 15kg , Antioxidant (AO1010) 0.1kg.

[0030] The preparation method is as follows:

[0031] (1) Weigh the raw materials according to the components and their weight percentages shown in Table 1;

[0032] (2) Mix the SEBS and naphthenic oil (plasticizer) in the above raw materials in a high-mixer for 20-30 minutes;

[0033] (3) Add other raw materials, mix well, and take out;

[0034] (4) Then put it into a twin-screw machine for extruding and granulating. The screw's main engine speed is 200-300 rpm, and the processing temperature is 180-210°C.

Embodiment 2

[0036] The raw materials used include styrene-ethylene-butene-styrene block copolymer (SEBS6151) 30kg, naphthenic oil (KN4010) 14.8kg, olefin block copolymer (Infuse9807) 45kg, homopolypropylene (PPR370Y) 10kg , Antioxidant (AO1010) 0.2kg.

[0037] The preparation method is as follows:

[0038] (1) Weigh the raw materials according to the components and their weight percentages shown in Table 1;

[0039] (2) Mix the SEBS and naphthenic oil (plasticizer) in the above raw materials in a high-mixer for 20-30 minutes;

[0040] (3) Add other raw materials, mix well, and take out;

[0041] (4) Then put it into a twin-screw machine for extruding and granulating. The screw's main engine speed is 200-300 rpm, and the processing temperature is 180-210°C.

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PUM

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Abstract

The invention relates to a low-TVOC thermoplastic elastomer composition for automotive interior trim. The low-TVOC thermoplastic elastomer composition is prepared from the following raw materials in percentage by weight: 30-40% of styrene-ethylene-butylene-styrene block copolymer, 5-15% of naphthenic oil, 35-45% of olefin block copolymer, 5-15% of homo-polypropylene, and 0.1-0.2% of an antioxygen. The low-TVOC thermoplastic elastomer composition has the advantages that infuse 9807 is added to be compounded with SEBS; due to the Infuse 9807 novel olefin block copolymer (OBC), after an elastomer is subjected to blending modification, the excellent properties that high-low temperature compressive deformation is enhanced and precipitation is avoided are improved; the low-TVOC thermoplastic elastomer composition is stably bonded with PP (polypropylene) through secondary injection molding or is subjected to direct injection molding to produce automotive interior trim parts, can be used in long time, cannot be precipitated out, is the environment-friendly material which is nontoxic and harmless to human body and environment, completely passes the standard detection of 'evaluation guide of air quality in passenger vehicles' (GB / T 27630-2011), and meets the use requirements of automotive interior trim products.

Description

technical field [0001] The invention relates to a thermoplastic elastomer material and a preparation method for low TVOC used in automotive interiors, in particular to a thermoplastic elastomer combination that has passed the standard detection of the "Guidelines for the Evaluation of Air Quality in Passenger Cars" (GB / T27630-2011) substances and their preparation methods. Background technique [0002] Elastomers have good weather resistance, heat resistance, compression deformation resistance, matte non-glare and excellent anti-skid performance. When in contact with hard objects such as metal glass, they can reduce vibration and noise, and are widely used in automobiles. Interior accessories (such as coasters, sliding curtains, storage boxes, gear handles, etc.). [0003] As we all know, automotive interior parts (such as coasters, sliding curtains, storage boxes, gear handles, etc.) are generally made of a layer of elastomer coated with a secondary injection molding proce...

Claims

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Application Information

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IPC IPC(8): C08L53/00C08L53/02C08L23/12C08L91/00C08K5/134
Inventor 杨洋
Owner 杨洋
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