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Modified polypropylene resin and preparation method thereof

A technology of polypropylene resin and polypropylene, which is applied in the field of modified polypropylene resin and its preparation, can solve problems such as high cost and performance that cannot meet market requirements, and achieve the effects of low cost, reduced material cost, and simple processing

Inactive Publication Date: 2020-04-28
重庆霏欧纳科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, polypropylene resin is mostly imported, and its cost is high. With the increase of requirements, its performance can no longer meet the market requirements.

Method used

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  • Modified polypropylene resin and preparation method thereof

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Effect test

Embodiment 1

[0014] This embodiment discloses a modified polypropylene resin, and each component includes 50 parts by weight of polypropylene, 10 parts of low-density polyethylene, 10 parts of high-density polyethylene, 20 parts of toughening agent, and 0.1 part of antioxidant. , 0.1 part of anti-aging agent.

[0015] This embodiment also discloses a method for preparing a modified polypropylene resin. First, 50 parts of polypropylene, 10 parts of low-density polyethylene, 10 parts of high-density polyethylene, 20 parts of toughening agent, and the additives 0.1 part of oxidizing agent and 0.1 part of anti-aging agent, fully mix the aforementioned materials through a high-speed mixer, adjust the injection molding machine to 200°C for extrusion, cool with water, and then cut into pellets, and then screen out the pellets of about 0.5 cm. Just bag it.

Embodiment 2

[0017] This embodiment discloses a modified polypropylene resin, each component in parts by weight includes 60 parts of polypropylene, 15 parts of low-density polyethylene, 15 parts of high-density polyethylene, 25 parts of toughening agent, and 0.5 parts of antioxidant. , 0.5 parts of anti-aging agent.

[0018] This embodiment also discloses a method for preparing a modified polypropylene resin. 60 parts of polypropylene, 15 parts of low-density polyethylene, 15 parts of high-density polyethylene, 25 parts of toughening agent, 0.5 part of antioxidant, anti-aging 0.5 part of the agent is fully mixed by a high-speed mixer, the injection molding machine is adjusted to 240 ℃, then the mixed material is extruded, cooled with water, and then cut into granules, and then the granular material of about 0.5 cm is screened out, and finally bagged. .

Embodiment 3

[0020] This embodiment discloses a modified polypropylene resin, and each component includes 55 parts by weight of polypropylene, 12 parts of low-density polyethylene, 12 parts of high-density polyethylene, 18 parts of toughening agent, and 0.3 parts of antioxidant. , 0.3 parts of anti-aging agent.

[0021] This embodiment also discloses a method for preparing modified polypropylene resin. Firstly, 55 parts of polypropylene, 12 parts of low-density polyethylene, 12 parts of high-density polyethylene, 18 parts of toughener, 0.3 part of antioxidant, and The aging agent 0.3 parts is fully mixed by telling the mixer to adjust the injection molding machine to 230°C, and then the mixed material is extruded, cooled by cold water, and then cut into granules, and then the granular material of about 0.5 cm is screened out, and finally bagged. can.

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Abstract

The invention discloses a modified polypropylene resin and a preparation method thereof, wherein the modified polypropylene resin comprises the following components in parts by weight: 50-60 parts ofpolypropylene, 10-15 parts of low-density polyethylene, 10-15 parts of high-density polyethylene, 20-25 parts of a toughening agent and 0.2-1 part of an auxiliary agent, wherein the auxiliary agent comprises an antioxidant and an anti-aging agent. According to the modified polypropylene resin and the preparation method thereof disclosed by the invention, market requirements can be well met, and the modified polypropylene resin has good toughness and oxygen aging resistance, can meet VOC requirements, is low in cost and simple to process, and can further replace imported materials.

Description

Technical field [0001] The invention relates to the field of new materials, in particular to a modified polypropylene resin and a preparation method thereof. Background technique [0002] Polypropylene is a widely used thermoplastic with low price and good overall performance. The addition of additives allows it to greatly improve its toughness, oxidation resistance and cold resistance, and effectively reduces the material’s Because of its fluidity, it can be used on the surface of the car cable, which significantly improves the gloss and environmental protection of the cable surface. [0003] However, polypropylene resin is mostly imported, and its cost is relatively high. As the requirements increase, its performance can no longer meet the market requirements. Summary of the invention [0004] The invention discloses a modified polypropylene resin and a preparation method thereof, which improves the toughness, aging resistance and cold resistance of the polypropylene resin, reduc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/06
CPCC08L23/12C08L2205/03C08L2205/025C08L2207/062C08L2207/066C08L23/06
Inventor 徐必桃戴镇杨蒋垍桓
Owner 重庆霏欧纳科技有限公司
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