Injection molding grade environment-friendly anti-flaming ultra-high molecular weight polyethylene and preparation method thereof

A technology of ultra-high polymer and polyethylene, applied in the field of polymer materials, can solve the problems of high price, inability to produce high-performance additive products, and high technical processing requirements, and achieve good self-lubricating properties, high impact mechanical properties, and use The effect of a wide temperature range

Inactive Publication Date: 2012-03-21
重庆可益荧新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] High-performance engineering plastics are basically monopolized by the United States and Japan, especially most of the domestic high-performance engineering plastics are imported from Japan, and the price is relatively e

Method used

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  • Injection molding grade environment-friendly anti-flaming ultra-high molecular weight polyethylene and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] UHMWPE powder in parts by weight: 45 parts, flame retardant; 5 parts, liquid crystal polymer; 8 parts, heat stabilizer; 2 parts, compatibilizer; Mix for 20 minutes, extrude and granulate at 220°C through a twin-screw extrusion granulator to obtain injection-grade environmentally friendly flame-retardant ultra-high molecular weight polyethylene.

Embodiment 2

[0027] Ultra-high molecular weight polyethylene with a molecular weight of more than 3.5 million in parts by weight: 80 parts, silicon nitrogen compound halogen-free environmental protection flame retardant; 20 parts, low melting point liquid crystal polymer; 20 parts, calcium zinc liquid compound heat stabilizer ; 5 parts, the compatibilizer of maleic anhydride grafted polyethylene; 10 parts were mixed at 90°C for 15 minutes by a high-speed kneader, extruded and granulated by a twin-screw extrusion granulator within the range of 190°C to obtain injection molding Grade environmentally friendly flame-retardant ultra-high molecular weight polyethylene.

Embodiment 3

[0029] Ultrahigh molecular weight polyethylene with a molecular weight of more than 3.5 million in parts by weight: 60 parts, silicon nitrogen composite halogen-free environmental protection flame retardant; 15 parts, low melting point liquid crystal polymer; 15 parts, zinc liquid composite thermal stabilizer; 4 parts, a compatibilizer for maleic anhydride grafted polyethylene; 8 parts were mixed at 100°C by a high-speed kneader for 18 minutes, extruded and granulated by a twin-screw extruder at 200°C to obtain injection molding grade Environmentally friendly flame-retardant ultra-high molecular polyethylene.

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Abstract

The invention discloses injection molding grade environment-friendly anti-flaming ultra-high molecular weight polyethylene and a preparation method thereof. The injection molding grade environment-friendly anti-flaming ultra-high molecular weight polyethylene comprises 45 to 80 parts of ultra-high molecular weight polyethylene powder, 5 to 20 parts of fire retardant, 8 to 20 parts of liquid crystal polymer, 2 to 5 parts of heat stabilizer, 5 to 10 parts of compatilizer, which are all mixed at high speed for fifteen to twenty minutes by a high-speed kneading machine at the temperature ranging from 90 DEG C to 120 DEG C, extruded for being pelleted by double-screw extruding pelletizer at the temperature ranging from 190 DEG C to 220 DEG C. The injection molding grade environment-friendly anti-flaming ultra-high molecular weight polyethylene has the advantages of fine liquidity, high abrasion resistance, high modulus, low contractibility rate, fine self-lubricity, wide service temperature range and can be used at the temperature ranging from minus 70 DEG C to 130 DEG C as compared with existing common ultra-high molecular weight polyethylene. Besides, inflaming retarding coefficient can reach grades of UL(underwriters' laboratories) to V0, has higher impact mechanical performance, accords with European GSG standards and the UL standards of the United States, and is non-toxic, low-carbon and environment-friendly in concept.

Description

technical field [0001] The invention belongs to the field of macromolecular materials, and specifically relates to an injection molding grade environment-friendly flame-retardant ultra-high molecular polyethylene material and a preparation method thereof. Background technique [0002] High-performance engineering plastics are basically monopolized by the United States and Japan, especially most of the domestic high-performance engineering plastics are imported from Japan, and the price is relatively expensive. At present, the products of domestic counterparts are mainly concentrated in general-purpose products with low requirements. Almost no one is involved in the field of high-performance engineering plastics. It is mainly limited by technical barriers, high technical processing requirements, and the inability of my country's fine chemical industry to produce high-performance plastics. drug products. At present, the plastic parts used on the sleigh are required to be low t...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08K3/08
Inventor 咸旭胜
Owner 重庆可益荧新材料有限公司
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