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High-impact polyethylene and processing method thereof

A high-impact, polyethylene technology, applied in the field of plastic modification, can solve the problems of high cost of impact-resistant polyvinyl chloride and high manufacturing cost of impact-resistant modifiers, and achieve low production cost, reduced production cost, and simple production process. Effect

Pending Publication Date: 2018-07-20
HANGZHOU XINGLU TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The manufacturing cost of these impact modifiers is relatively high, resulting in the high cost of using them to modify PVC to process impact-resistant polyvinyl chloride

Method used

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  • High-impact polyethylene and processing method thereof

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Experimental program
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Effect test

Embodiment 1

[0019] High-impact polyvinyl chloride, based on 100 parts by weight, its raw material composition includes: 100 parts of PVC resin, 5 parts of highly branched polyethylene, 2 parts of chlorinated polyethylene, 1 part of dibutyltin dilaurate, stearic acid 1 serving.

[0020] Wherein, the PVC resin is a PVC resin with a degree of polymerization of 1400; the number of the highly branched polyethylene used is PER-5.

Embodiment 2

[0022] High-impact polyvinyl chloride, based on 100 parts by weight, its raw material composition includes: 100 parts of PVC resin, 10 parts of highly branched polyethylene, 5 parts of chlorinated polyethylene, 0.5 part of di-n-octyltin dilaurate, stearin acid 2 parts.

[0023] Wherein, the PVC resin is a PVC resin with a degree of polymerization of 1600; the number of the highly branched polyethylene used is PER-4.

Embodiment 3

[0025] High-impact polyvinyl chloride, based on 100 parts by weight, its raw material composition includes: 100 parts of PVC resin, 15 parts of highly branched polyethylene, 7 parts of chlorinated polyethylene, 3 parts of tribasic lead sulfate, stearic acid 2 parts of barium, 0.5 parts of paraffin.

[0026] Wherein, the PVC resin is a PVC resin with a degree of polymerization of 1500; the number of the highly branched polyethylene used is PER-3.

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Abstract

The invention relates to a high-impact polyvinyl chloride and a processing method thereof. The high-impact polyvinyl chloride comprises, by weight, 100 parts of PVC resin, 5-25 parts of highly branched polyethylene, 2-15 parts of a compatibilizer, 0.5-8 parts of a stabilizer and 0.5-5 parts of a lubricant, wherein the PVC resin is PVC resin with the polymerization degree of 1400-1600, the branching degree of the highly branched polyethylene is 70-130 branched chains / 1000 carbons, the weight-average molecular weight is 66,000-436,000, and the Mooney viscosity ML (1+4) at 125 DEG C is 6-93. Thehigh-impact polyvinyl chloride adopting the highly branched polyethylene as an impact modifier greatly reduce the production cost of the high-impact polyvinyl chloride, and is suitable for large-scaleindustrial production.

Description

technical field [0001] The invention belongs to the technical field of plastic modification, and in particular relates to a high-impact polyvinyl chloride and a processing method thereof. Background technique [0002] Polyvinyl chloride (PVC) is mainly used as a construction material and plastic pipes. PVC plastic profiles are widely used in indoor and outdoor doors, windows and decoration industries of buildings. They have excellent characteristics such as heat preservation, sealing, energy saving, sound insulation, and moderate cost. Since the product came out, it has developed rapidly. PVC pipe has the advantages of light weight, corrosion resistance, high strength, good weather resistance and flame retardancy. However, PVC itself also has some disadvantages, such as low-temperature brittleness, low impact strength, and poor crack resistance, which bring more problems and inconvenience to installation and use. Therefore, the impact performance of PVC must be improved. ...

Claims

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Application Information

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IPC IPC(8): C08L27/06C08L23/06C08L51/06C08L91/06C08L23/28C08K3/30C08K5/098
CPCC08L27/06C08L2205/03C08L2205/035C08L2205/08C08L2207/07C08L23/06C08L23/28C08K5/098C08K5/09C08L91/06C08K2003/3045C08L51/06C08K3/30
Inventor 不公告发明人
Owner HANGZHOU XINGLU TECH CO LTD
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