Porcelainized polyolefin composite material and preparation method thereof

A technology of ceramicized polyolefin and composite materials, applied in plastic/resin/wax insulators, organic insulators, etc., can solve the problems of poor mechanical properties of ceramicized silicone rubber, poor mechanical properties of materials, poor scratch resistance, etc. The product has excellent mechanical and electrical properties, easy operation and good integrity.

Inactive Publication Date: 2015-04-08
常州市沃科科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the cable industry, the mineral insulated fire-resistant cables in the past are gradually being replaced by the emerging ceramic silicone rubber flexible fire-resistant fire-resistant cables. However, due to the poor mechanical properties and scratch resistance of ceramic silicone rubber, it is used as Restricted when used over the outer sheath of a cable or directly on

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Take by weighing 100 parts by weight of acetic acid-vinyl acetate copolymer, 180 parts by weight of porcelain powder (wherein 50 parts by weight of mica powder, 20 parts by weight of glass powder, 50 parts by weight of silicate mineral powder, 30 parts by weight of talcum powder, carbonic acid 30 parts by weight of calcium), 0.5 parts by weight of methyl tin mercaptide, 50 parts by weight of magnesium hydroxide, 50 parts by weight of aluminum hydroxide, 5 parts by weight of compatibilizer, 2 parts by weight of vinyltriethoxysilane coupling agent, Zinc stearate lubricant 2 parts by weight, antioxidant 1010 3 parts by weight, antioxidant 168 2 parts by weight, put these materials into the internal mixer, mix until the material temperature reaches 160 ° C, discharge, through the cone The twin-screw extruder is fed into the twin-screw extruder to extrude and granulate, and then the ceramicable polyolefin composite material is obtained. The temperature of each zone of the tw...

Embodiment 2

[0032] Weigh 80 parts by weight of acetic acid-vinyl acetate copolymer, 20 parts by weight of EPDM rubber, 200 parts by weight of vitrified powder (wherein 80 parts by weight of mica powder, 30 parts by weight of glass powder, 60 parts by weight of silicate mineral powder 30 parts by weight of clay, 1 part by weight of methyl tin, 60 parts by weight of ammonium polyphosphate, 5.5 parts by weight of compatibilizer, 2.2 parts by weight of vinyltriethoxysilane coupling agent, 2 parts by weight of zinc stearate lubricant Parts, antioxidant 1010 3 parts by weight, antioxidant 168 2 parts by weight, put these materials into the internal mixer, mix until the material temperature reaches 150 ℃, discharge, and feed into double The screw extruder is extruded and granulated to obtain porcelain polyolefin composite material. The temperature of each zone of the twin-screw extruder is controlled at 90-130°C.

Embodiment 3

[0034] Weigh 80 parts by weight of acetic acid-vinyl acetate copolymer, 20 parts by weight of low density polyethylene, 160 parts by weight of vitrified powder (wherein 40 parts by weight of mica powder, 30 parts by weight of white carbon black, 40 parts by weight of glass powder, silicon salt mineral powder 40 parts by weight, aluminum oxide 10 parts by weight), ethyl tin 0.4 parts by weight, ammonium polyphosphate 30 parts by weight, melamine cyanurate 20 parts by weight, compatibilizer 5 parts by weight, vinyl triethoxy 2 parts by weight of base silane coupling agent, 2 parts by weight of zinc stearate lubricant, 1010 3 parts by weight of antioxidant, 2 parts by weight of antioxidant 168, these materials are put into internal mixer, and mixed to material temperature When the temperature reaches 130°C, the material is discharged, fed into the twin-screw extruder through the conical double forced feeder, extruded and granulated, and the porcelain-able polyolefin composite mate...

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PUM

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Abstract

The invention discloses a porcelainized polyolefin composite material, comprising the following raw materials in parts by weight: 50-100 parts of polyolefin resin, 10-200 parts of porcelainized powder, 0.1-50 parts of an accelerant, 0-100 parts of a fire retardant, 0.3-15 parts of a compatilizer, 0.2-10 parts of a coupling agent, 0.1-5 parts of a lubricant and 0.1-8 parts of an antioxidant. The porcelainized polyolefin composite material disclosed by the invention is simple in technological process, easy to operate, free of three wastes, and excellent in mechanical property and electric property, and can be sintered into ceramic at a temperature over 600 DEG C or in a flame within 5-10 minutes; and the formed shell is good in integrity, free of cracking or drippage, has excellent fireproof performance and heat-insulating property, and has high application value in the fields of fire-resistant wires and cables and indoor fire-resistant decoration.

Description

technical field [0001] The invention relates to a polyolefin composite material and a preparation method thereof. Background technique [0002] With the development of society and economy and the advancement of science and technology, polymer materials are playing an increasingly important role in the construction of the national economy and are widely used in many fields such as people's daily life, aerospace and military. The country's fire-resistant requirements for wires and cables and interior decoration materials in public places are getting higher and higher, and the fields involved are becoming wider and wider, and the market potential of fire-resistant polymer materials is gradually showing. Especially in the field of national defense and military affairs, fire-resistant polymer materials are of great significance for ensuring the safety of power supply and equipment protection in case of abnormal fire. [0003] In the cable industry, the mineral insulated fire-res...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L23/12C08L23/08C08L23/16C08K13/04C08K3/40C08K3/36C08K3/34C08K3/22C08K3/38C08K3/32C08K5/3492C08K7/08H01B3/44
CPCC08L23/0853C08L2201/02C08L2203/202C08L2205/02C08L2205/03H01B3/44C08L51/06C08K13/02C08K3/346C08K2003/265C08K2003/2224C08K2003/2227C08K5/098C08L23/16C08K2003/323C08K5/1345C08K5/526C08L23/06C08K3/36
Inventor 曹俊刘卫东郑亚森
Owner 常州市沃科科技有限公司
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