PP (propylene) composite material capable of replacing ABS (Acrylonitrile Ethylene Styrene) and preparation method of PP composite material

A technology of composite materials and resins, applied in the field of PP composite materials that can replace ABS and its preparation, can solve the problems of PP/talc powder/whisker composite materials, etc., to reduce material costs, reduce molding shrinkage, and reduce after contraction effect

Inactive Publication Date: 2014-04-23
QINGDAO DADU NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] At present, there are many studies on single whisker and talcum powder modified PP com

Method used

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Example Embodiment

[0023] The present invention will be specifically described below in conjunction with the embodiments.

[0024] The technical solution of this embodiment is: a PP composite material that can replace ABS, which is mainly composed of the following components by mass percentage: PP resin 60%~80%, talc powder 5%-25%, whisker 5%- 15%, brightening agent 0.5%-2%, nucleating agent 0.1%-0.3%.

[0025] It also includes 0.1% to 0.5% antioxidant and 0.1% to 0.5% lubricant.

[0026] Wherein, the whiskers adopt magnesium salt whiskers.

[0027] Among them, the PP resin is mixed with high fluidity PP and high rigidity PP, the ratio of the two is 2:1.

[0028] Wherein, the high fluidity PP adopts PP with a melt index greater than or equal to 60 g / 10 min.

[0029] Wherein, the high rigidity PP adopts PP with a tensile strength of 35 MPa or more.

[0030] The preparation method of PP composite material that can replace ABS provided by this embodiment includes the following steps: firstly, each component i...

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Abstract

The invention belongs to the technical field of plastics modification, and particularly relates to a PP (propylene) composite material capable of replacing ABS (Acrylonitrile Ethylene Styrene) and a preparation method of the PP composite material. The PP composite material mainly comprises the following components in percentage by weight: 60-80 percent of PP resin, 5-25 percent of talc powder, 5-15 percent of crystal whisker, 0.5-2 percent of a sensitizer and 0.1-0.3 percent of a nucleating agent. The preparation method comprises the steps of mixing, extruding and pelleting. The composite material provided by the invention has the characteristics of high flow, high rigidity, high modulus, low shrinkage, low buckling deformation and the like, and is capable of effectively reducing the material cost and generating larger economic benefit.

Description

technical field [0001] The invention belongs to the technical field of plastic modification, and in particular relates to a PP composite material which can replace ABS and a preparation method thereof. Background technique [0002] ABS is an engineering plastic with a wide range of uses. It is prepared from three monomers of styrene, butadiene and acrylonitrile through chemical copolymerization. Due to the different characteristics of the three monomers, the ABS copolymer has excellent properties that the homopolymers of the three monomers do not have. It combines excellent rigidity, toughness, dimensional stability, bright surface and moderate density. , It is unmatched by general-purpose plastic (PP.PE.PS.PVC). Because of its excellent performance, ABS is widely used in various home appliances such as: refrigerators, washing machines, air conditioners, TV sets and computer casings, various electrical appliances and children's toys. The ABS market demand is very la...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08K13/04C08K7/04C08K3/34
CPCC08L23/12B29B9/06B29C48/92B29C2948/92704C08L2205/025C08K13/04C08K7/08C08K3/34
Inventor 赵成方
Owner QINGDAO DADU NEW MATERIAL TECH
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