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A kind of high temperature resistant injection molding polypropylene material and its preparation method and application

A polypropylene material and high-temperature-resistant technology, which is applied in the field of high-temperature-resistant injection-molded polypropylene material and its preparation, can solve problems such as rapid thermal decomposition, achieve reduced production cycle, extensive economic and social benefits, excellent mechanical properties and long-term effect Effect of Heat Aging Properties

Active Publication Date: 2021-11-09
中广核俊尔(浙江)新材料有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] Aiming at the deficiencies in this field, the present invention provides a high-temperature-resistant injection-molded polypropylene material, which solves the problem of rapid thermal decomposition of ordinary polypropylene composite materials under high-temperature injection molding, and at the same time greatly improves the mechanical properties of the material. The long-term heat aging resistance of polypropylene composite materials can be used to prepare thin-walled plastic parts for automobiles

Method used

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  • A kind of high temperature resistant injection molding polypropylene material and its preparation method and application
  • A kind of high temperature resistant injection molding polypropylene material and its preparation method and application
  • A kind of high temperature resistant injection molding polypropylene material and its preparation method and application

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Embodiment Construction

[0035] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. For the experimental methods without specific conditions indicated in the following examples, the conventional conditions or the conditions suggested by the manufacturer are usually followed.

[0036] The raw material formulations of the injection-molded polypropylene materials of the following Examples 1 to 6 and Comparative Example 1 are shown in Table 1, wherein the polypropylene is a copolymerized PP produced by Yanshan Petrochemical Company, the trade name is K7760, and the melt flow rate is 60g / 10min; the toughening agent is ethylene-octene copolymer (POE) produced by Dow Company of the United States, the trade name is ENGAGE 8150, and the density is 0.863g / cm 3 , the melt flow rate is 0.5g / 10min; talc powder is produ...

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Abstract

The invention discloses a high-temperature-resistant injection-molded polypropylene material, which comprises 55% to 85% of polypropylene, 5% to 15% of toughening agent and 0% to 30% of inorganic filler based on the total weight of raw materials as 100%. , Composite light and heat stabilizer 0.1% ~ 3%, color masterbatch 0% ~ 5%, other additives 0% ~ 5%. The invention solves the problem of rapid thermal decomposition of ordinary polypropylene composite materials under high-temperature injection molding, and at the same time greatly improves the long-term heat-resistant aging performance of polypropylene composite materials under the premise of ensuring mechanical properties. The present invention also provides a preparation method of the high-temperature-resistant injection-molded polypropylene material, which includes: mixing the raw materials evenly in proportion, extruding them through a twin-screw extruder, and then water-cooling, pelletizing, and drying to obtain the obtained The above-mentioned high temperature resistant injection-molded polypropylene material. The invention also provides an application of the high-temperature-resistant injection-molded polypropylene material in the preparation of thin-walled plastic parts for automobiles.

Description

technical field [0001] The invention relates to the technical field of polypropylene composite materials, in particular to a high-temperature-resistant injection-molded polypropylene material and its preparation method and application. Background technique [0002] Under the double drive of environmental protection and energy saving, lightweight has developed into the development trend of the world's automobile industry. Automobile lightweight includes lightweight structural design and material selection. Under the premise of ensuring the strength and safety performance of the automobile, the vehicle's overall quality should be reduced as much as possible, so as to improve the power of the automobile, reduce fuel consumption, and reduce exhaust pollution. . Polypropylene is a general-purpose thermoplastic with excellent comprehensive properties. It has the characteristics of low price, light weight, solvent resistance, easy recycling, and non-toxicity. It is the most import...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/14C08L23/08C08K13/06C08K9/06C08K3/34C08K5/134C08K5/526C08K9/12C08K3/04
CPCC08L23/14C08L2201/08C08L23/0815C08K13/06C08K9/06C08K3/34C08K5/1345C08K5/526C08K9/12C08K3/04
Inventor 李俊陈晓敏郑京连安孝善孙心克周云国周志强
Owner 中广核俊尔(浙江)新材料有限公司
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