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A kind of high shock absorption and wear resistance thermoplastic elastomer and preparation method thereof

A technology of thermoplastic elastomer and thermoplastic polyurethane, which is applied in the field of high shock absorption and wear-resistant thermoplastic elastomer and its preparation, can solve the problems of high shock absorption, achieve high shock absorption performance, wide application prospects, and low resilience effect

Active Publication Date: 2018-05-18
东莞市银禧特种材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, ordinary SIS cannot firmly bond ABS and PC materials. Therefore, it is of great practical significance to develop TPE lagging materials that are highly shock-absorbing and can firmly bond ABS and PC. They can be widely used in electronic and electrical sheaths, sports protection Pads and other products, broad application prospects

Method used

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  • A kind of high shock absorption and wear resistance thermoplastic elastomer and preparation method thereof
  • A kind of high shock absorption and wear resistance thermoplastic elastomer and preparation method thereof
  • A kind of high shock absorption and wear resistance thermoplastic elastomer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A high shock-absorbing and wear-resistant thermoplastic elastomer, comprising the following components by weight:

[0041] SIS resin 40 parts

[0042] 15 parts thermoplastic polyurethane

[0043] SEBS-co-TPU 6 parts

[0044] Paraffin-based rubber oil 10 parts

[0045] Talc powder 10 parts

[0046] LDPE carrier silicone masterbatch 2 parts

[0047] Antioxidant 0.4 parts.

[0048] The high shock-absorbing and wear-resistant thermoplastic elastomer is prepared through the following steps:

[0049] Step 1. First put SIS resin, calcium carbonate, antioxidant, processing aid and extender oil into a high-speed mixer, mix for 10 minutes at 30°C, then add the remaining other raw materials and mix for 3 minutes to obtain a premix.

[0050] Step 2. Put the above-mentioned premix into a twin-screw extruder to extrude and granulate. The extrusion temperature is 170-200°C. Specifically, the temperatures in the first to eighth zones of the twin-screw extruder are: 150°C and 160°...

Embodiment 2

[0052] A high shock-absorbing and wear-resistant thermoplastic elastomer, comprising the following components by weight:

[0053] SIS resin 50 parts

[0054] 15 parts thermoplastic polyurethane

[0055] Hydrogenated thermoplastic styrene-butadiene rubber-maleic anhydride graft 8 parts

[0056] Paraffin-based rubber oil 10 parts

[0057] Calcium carbonate 8 parts

[0058] LDPE carrier silicone masterbatch 2 parts

[0059] Antioxidant 0.4 parts.

[0060] The high shock-absorbing and wear-resistant thermoplastic elastomer is prepared through the following steps:

[0061] Step 1. First put SIS resin, calcium carbonate, antioxidant, processing aid and extender oil into a high-speed mixer, mix at 40°C for 5 minutes, then add the rest of the raw materials and mix for 4 minutes to obtain a premix.

[0062] Step 2. Put the above-mentioned premix into a twin-screw extruder to extrude and granulate. The extrusion temperature is 170-200°C. Specifically, the temperatures in the first t...

Embodiment 3

[0064] A high shock-absorbing and wear-resistant thermoplastic elastomer, comprising the following components by weight:

[0065] SIS resin 45 parts

[0066] Thermoplastic polyurethane 18 parts

[0067] Hydrogenated thermoplastic styrene-butadiene rubber-maleic anhydride graft 8 parts

[0068] Naphthyl rubber oil 8 parts

[0069] Kaolin 8 parts

[0070] Surface treatment nano-SiO 2 2 copies

[0071] Antioxidant 0.4 part.

[0072] The high shock-absorbing and wear-resistant thermoplastic elastomer is prepared through the following steps:

[0073] Step 1. First put SIS resin, calcium carbonate, antioxidant, processing aid and extender oil into a high-speed mixer, mix at 60°C for 8 minutes, then add the rest of the raw materials and mix for 5 minutes to obtain a premix.

[0074] Step 2. Put the above-mentioned premix into a twin-screw extruder to extrude and granulate. The extrusion temperature is 170-200°C. Specifically, the temperatures in the first to eighth zones of t...

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Abstract

The invention relates to the technical field of thermoplastic elastomer materials and particularly relates to a high-shock-absorbance wear-resistant thermoplastic elastomer and a preparation method thereof. The high-shock-absorbance wear-resistant thermoplastic elastomer comprises the following components in parts by weight: 40-60 parts of SIS resin, 10-20 parts of thermoplastic polyurethane, 5-10 parts of a compatilizer, 5-15 parts of extending oil, 5-10 parts of mineral filler, 1-3 parts of a processing aid and 0.2-0.5 part of an antioxidant. The preparation method comprises the following steps of firstly, placing the SIS resin, carbonate calcium, the antioxidant, the processing aid and extending oil into a high-speed mixer, mixing, adding other raw materials and mixing to obtain a premix; and secondly, placing the premix into a twin-screw extruder, extruding and granulating. The thermoplastic elastomer has the characteristics of capability of secondary injection molding, good adhesion with PC and ABS materials and high shock absorbance and wear resistance.

Description

technical field [0001] The invention relates to the technical field of thermoplastic elastomer materials, in particular to a high shock-absorbing and wear-resistant thermoplastic elastomer and a preparation method thereof. Background technique [0002] Thermoplastic Elastomer (TPE) is a new type of material that can be molded alone, and can be coated on the surface of PC, ABS and other materials by secondary injection molding or co-extrusion. It can obtain good adhesion without adhesives, thus obtaining The soft feel makes the product have anti-skid, anti-impact and other functions. [0003] Chinese patent "CN101760001A A thermoplastic elastomer composition for bonding ABS and its preparation method" discloses a thermoplastic polyurethane (TPU) and styrene-ethylene-butylene-styrene block copolymer (SEBS) It is a thermoplastic elastomer material used as a basic raw material for bonding ABS. However, thermoplastic polyurethane (TPU) has the disadvantages of too strong rigidi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L53/02C08L75/06C08L15/00C08L91/00C08L91/06C08L23/06C08L83/04C08K9/06C08K3/36B29C47/92B29C48/92
Inventor 廖辉傅轶邓楚英唐昌伟
Owner 东莞市银禧特种材料科技有限公司
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