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High-strength high-impact weather-resistant polypropylene material for outdoor unit of air conditioner and preparation method of high-strength high-impact weather-resistant polypropylene material

A technology for weather-resistant polypropylene and air-conditioning outdoor units, which is applied in the field of polypropylene composite materials, can solve problems such as inability to meet the needs of air-conditioning outdoor unit shells, and achieve improved dispersion, excellent internal and external lubrication, and improved strength and modulus Effect

Inactive Publication Date: 2019-03-01
QINGDAO GON TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a high-strength, high-impact and weather-resistant polypropylene material for an air-conditioner outdoor unit and a preparation method thereof, which solves the problem that the strength, impact resistance and weather resistance of polypropylene composite materials in the prior art cannot be balanced and cannot meet the shell requirements of an air-conditioner outdoor unit The problem

Method used

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preparation example Construction

[0029] A method for preparing a high-strength high-impact weather-resistant polypropylene material for an air-conditioning outdoor unit of the present invention comprises the following steps:

[0030] 1) Take the copolymerized polypropylene and the homopolypropylene, mix them, add a coupling agent, mix them evenly, and get the mixed raw materials;

[0031] 2) Take POE, maleic anhydride grafted polypropylene, calcium carbonate, nucleating agent, antioxidant, dispersant and weathering agent, and mix them to form an additive package;

[0032] 3) Add the additive package obtained in step 2) to the mixed raw material obtained in step 1), mix evenly, and add it to the twin-screw extruder. -200℃, 3rd zone 190-210℃, 4th zone 190-210℃, 5th zone 200-220℃, 6th zone 200-220℃, 7th zone 200-220℃, 8th zone 200-215℃, 9th zone 200- 215°C, 210-230°C in the tenth zone, cooling, granulation, and polypropylene composite material.

Embodiment 1

[0034] A method for preparing a high-strength high-impact weather-resistant polypropylene material for an air-conditioning outdoor unit of the present invention comprises the following steps:

[0035] 1) Weigh the raw materials according to the following parts by weight: 55 parts of copolymerized polypropylene, 28 parts of homopolypropylene, 7 parts of POE, 2 parts of maleic anhydride grafted polypropylene, 10 parts of calcium carbonate, 0.3 parts of nucleating agent, antioxidant 0.3 part of agent 1010, 0.2 part of antioxidant ps802, 0.3 part of coupling agent, 1.0 part of dispersant, 0.2 part of weather resistance agent;

[0036] 2) Take copolymerized polypropylene and homopolypropylene, add them to a high-speed mixer for mixing, add a coupling agent for initial mixing, and mix evenly to obtain a mixed initial material;

[0037] 3) Take POE, maleic anhydride grafted polypropylene, calcium carbonate, nucleating agent, antioxidant, dispersant and weathering agent, and mix them ...

Embodiment 2

[0040] A method for preparing a high-strength high-impact weather-resistant polypropylene material for an air-conditioning outdoor unit of the present invention comprises the following steps:

[0041] 1) Weigh raw materials according to the following parts by weight: 55 parts of copolymerized polypropylene, 30 parts of homopolypropylene, 5 parts of POE with a melt index of 3g / 10min, 5 parts of maleic anhydride grafted polypropylene, after stearic acid modification 10 parts of 7000 mesh calcium carbonate, α nucleating agent and described β nucleating agent are 0.2 part of composite nucleating agent according to the weight ratio of 1:1 composition, 0.25 part of antioxidant 1010, 1680.2 part of antioxidant, coupling 0.3 part of agent, 1.0 part of dispersant, 0.2 part of weathering agent;

[0042] 2) Take copolymerized polypropylene and homopolypropylene, add them to a high-speed mixer for mixing, add a coupling agent for initial mixing, and mix evenly to obtain a mixed initial ma...

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Abstract

The invention discloses a high-strength high-impact weather-resistant polypropylene material for an outdoor unit of an air conditioner and a preparation method of the high-strength high-impact weather-resistant polypropylene material. The polypropylene material disclosed by the invention comprises the following raw materials in parts by weight: 55-77 parts of copolymerized polypropylene, 8-40 parts of homopolymerized polypropylene, 5-10 parts of POE, 2-10 parts of maleic anhydride grafted polypropylene, 10-15 parts of calcium carbonate, 0.2-0.4 part of nucleating agent, 0.2-0.6 part of antioxidant, 0.2-0.6 part of couplant, 0.5-1.2 parts of dispersant and 0.2-0.6 part of weathering agent. The invention further provides the preparation method of the polypropylene material. According to thepolypropylene material and the preparation method thereof, the raw materials are scientific in selecting and matching and reasonable in compounding; fillers and auxiliaries are in synergism in polypropylene feedstock, so that the weather resistance of the polypropylene material is improved, and the requirements of a shell of the outdoor unit of the air conditioner on weather resistance are met; meanwhile, mechanical properties of the polypropylene material are not affected, the requirements of the shell of the outdoor unit of the air conditioner on assembling are met, the cost is low, and theperformance is stable.

Description

technical field [0001] The invention belongs to the technical field of polypropylene composite materials, in particular to a high-strength, high-impact and weather-resistant polypropylene material for an air-conditioner outdoor unit and a preparation method thereof. Background technique [0002] The materials used for the shells of air-conditioning outdoor units on the market are generally metal materials, and most of the metal materials are shell materials sprayed and formed by cold-rolled sheets, and the corrosion resistance of cold-rolled sheets is poor, and the annual consumption of steel in my country continues to increase , so the cost of steel will be higher and higher. Plastic material is a material with good performance. In recent years, the outer shell of air conditioners in my country has gradually adopted polypropylene plastic to replace the traditional cold-rolled plate coated with anti-corrosion coating. [0003] Polypropylene is a non-toxic, odorless, tasteles...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/14C08L23/12C08L23/08C08L51/06C08K3/26C08K5/134
CPCC08K2003/265C08L23/14C08L2205/035C08L2205/24C08L23/12C08L23/0815C08L51/06C08K3/26C08K5/1345C08L23/06
Inventor 王鹤郑敏韩博王术滨李庆文郝彩霞
Owner QINGDAO GON TECHNOLOGY CO LTD
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