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High-temperature-resistant and low-shrinkage polyarylester fiber master batch/polypropylene composite material and preparation method thereof

A polyarylate fiber and composite material technology, which is applied in the field of modified plastics to achieve the effects of good flow properties, uniform dispersion and high flexural modulus

Inactive Publication Date: 2015-06-10
HEFEI GENIUS NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Shrinkage reduction effect is still not obvious

Method used

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  • High-temperature-resistant and low-shrinkage polyarylester fiber master batch/polypropylene composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] 50 parts of polypropylene, 20 parts of mineral filler talcum powder, 2 parts of compatibilizer polypropylene grafted maleic anhydride, 10 parts of toughening agent POE, 0.2 part of antioxidant 1010, 0.2 part of antioxidant 168 Add 0.3 parts and 0.6 parts of lubricant calcium stearate into the high-speed mixer and mix at high speed for 2 minutes, then put the uniformly mixed mixture into the main feeding hopper of the extruder; Add 20 parts of pellets into the hopper out of the feeding port on the side of the extruder for mixing, melting, extrusion and granulation to obtain a high temperature resistant, low shrinkage polyarylate fiber masterbatch / polypropylene composite material. The temperature of each zone of the barrel of the extruder is 195-230°C, the screw speed is 450r / min, the melt pressure is 1.5MPa, and the vacuum degree is -0.06MPa.

[0042]

Embodiment 2

[0044] 40 parts of polypropylene, 10 parts of mineral filler talcum powder and 10 parts of wollastonite, 3 parts of compatibilizer POE-g, 15 parts of toughening agent POE, 0.2 parts of antioxidant 1010, 10 parts of wollastonite Add 0.1 part of oxygen agent 168 and 1 part of lubricant N,N'-ethylenebisstearamide into the high-speed mixer and mix at high speed for 3 minutes, then put the evenly mixed mixture into the main feeding hopper of the extruder Middle; Add 25 parts of polyarylate fiber masterbatches weighed into the hopper out of the feed port on the side of the extruder for mixing, melting, extruding and granulating to obtain high temperature resistant, low shrinkage polyarylate fiber masterbatch / poly Acrylic composite. The temperature of each zone of the barrel of the extruder is 195-230°C, the screw speed is 500r / min, the melt pressure is 1.8MPa, and the vacuum degree is -0.1MPa.

[0045]

Embodiment 3

[0047] 60 parts of polypropylene, 15 parts of mineral filler talcum powder, 3 parts of compatibilizer POE-g, 8 parts of toughening agent POE, 0.2 part of antioxidant 1010, 0.3 part of antioxidant 168, Add 0.1 part of anti-DSTDP and 0.5 part of lubricant calcium stearate into the high-speed mixer and mix at high speed for 3 minutes, then put the uniformly mixed mixture into the main feeding hopper of the extruder; put the weighed polyarylate Add 20 parts of the fiber masterbatch into the hopper out of the feeding port on the side of the extruder for mixing, melting, extrusion and granulation to obtain a high temperature resistant, low shrinkage polyarylate fiber masterbatch / polypropylene composite material. The temperature of each zone of the barrel of the extruder is 195-230°C, the screw speed is 460r / min, the melt pressure is 1.5MPa, and the vacuum degree is -0.04MPa.

[0048]

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Abstract

The invention discloses a high-temperature-resistant and low-shrinkage polyarylester fiber master batch / polypropylene composite material and a preparation method thereof. The polyarylester fiber master batch / polypropylene composite material is prepared by the steps of rapidly and uniformly mixing the following components in parts by weight: 40-60 parts of polypropylene, 20-40 parts of polyarylester fiber master batches, 15-30 parts of a mineral filling agent, 1-3 parts of a compatilizer, 5-15 parts of a flexibilizer, 0.3-0.6 part of an antioxidant and 0.5-1.2 parts of a lubricant, and extruding and granulating by virtue of an extruder. The polyarylester fiber master batch / polypropylene composite material has the advantages of high temperature resistance, low shrinkage and high impact strength and bending modulus and can be widely applied to the fields of electrics, electrons and automobiles and other protection fields.

Description

Technical field: [0001] The invention relates to the technical field of modified plastics, in particular to a polyarylate fiber masterbatch / polypropylene composite material with high temperature resistance and low shrinkage and a preparation method thereof. [0002] Background technique: [0003] Acrylonitrile-butadiene-styrene plastic (ABS) has excellent impact resistance, heat resistance, low temperature resistance, chemical resistance and electrical properties. It also has the characteristics of easy processing, stable product size and good surface gloss. , easy to paint and color, and can also carry out secondary processing such as metal spraying, electroplating, welding, hot pressing and bonding on the surface. It is widely used in industrial fields such as machinery, automobiles, electronic appliances, instruments, textiles and construction. A versatile engineering thermoplastic. [0004] The polypropylene (PP) material is widely used because of its excellent heat ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/14C08L67/03C08J3/22B29C47/92B29B9/06B29C48/92
CPCC08L23/12B29B9/06B29C48/92B29C2948/92704C08J3/223C08J2323/12C08J2423/12C08L2201/08C08L2205/035C08L2205/16C08L23/14C08L51/06C08L23/0815C08L67/03C08K13/02C08K3/34C08K5/098C08K5/20C08L23/16C08K2003/265
Inventor 杨桂生徐芹杨军明
Owner HEFEI GENIUS NEW MATERIALS
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