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Thermoplastic resin composite composition, thermoplastic resin composite material, and method for manufacturing same

A technology of thermoplastic resin and composite composition, which is applied in the direction of starch derivative coatings, chemical instruments and methods, starch coatings, etc., which can solve the problems of being unsuitable for injection and extrusion molding, reducing processability, and being unable to expect, and achieve shock absorption sex excellent effect

Inactive Publication Date: 2015-05-13
LG HAUSYS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there are resin compositions aimed at improving the physical properties of polypropylene resin containing glass fibers by using wood powder, but wood powder only acts as a filler material rather than a reinforcing material, so it cannot be expected It can enhance the rigidity of the composite material, and if the wood powder content becomes higher, the workability will be reduced, so there is a disadvantage that it is not suitable for injection and extrusion molding

Method used

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  • Thermoplastic resin composite composition, thermoplastic resin composite material, and method for manufacturing same
  • Thermoplastic resin composite composition, thermoplastic resin composite material, and method for manufacturing same
  • Thermoplastic resin composite composition, thermoplastic resin composite material, and method for manufacturing same

Examples

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preparation example Construction

[0048] According to another example of the present invention, there is provided a method for preparing a thermoplastic resin composite material, comprising the following steps: a step of mixing a thermoplastic resin and columnar wood chips; a step of mixing glass fibers with the mixture of the above thermoplastic resin and the above wood chips; a step of compression-molding a mixture of the above-mentioned thermoplastic resin, the above-mentioned wood chips, and glass fibers; step.

[0049] According to the above-mentioned production method, the above-mentioned thermoplastic resin composite material can be produced.

[0050] figure 1 is a schematic diagram of a production method showing the production steps of a thermoplastic resin composite material according to an example of the present invention.

[0051] according to figure 1 , prepare two extruders, that is, the first extruder and the second extruder, using the above two extruders, for example, first, mix the thermop...

Embodiment 1

[0058] According to the direct processing technology of long-fiber reinforced thermoplastics, at first 100 parts by weight of pellets prepared by molding polypropylene resin and wood chips (wood chips, the average width of the columnar shape is 15 mm, and the ratio of the height and width of the columnar shape is 1 : 4) 33.3 parts by weight are mixed and dropped into the first extruder, then, in the second extruder, drop into glass fibers (SE4121_polypropylene sizing (Polypropylene Sizing) coated with silane coupling agent, Owens Co., Ltd. Ning (manufactured by OCV)) 33.3 parts by weight to obtain long fiber reinforced thermoplastic strands (Strand). As mentioned above, the long-fiber-reinforced thermoplastic bundles are obtained by feeding materials and extruding and kneading them in the cylinder barrel of the first extruder at 220°C and the cylinder barrel of the second extruder at 220°C, and then, at 63°C The long fiber reinforced thermoplastic bundle is extruded in the mol...

Embodiment 2

[0060] A thermoplastic resin composite material was prepared by the same method as in Example 1 above, except that the input amount of the wood chips was 23.08 parts by weight and the glass fiber was 30.77 parts by weight.

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Abstract

Provided is a thermoplastic resin composite composition, comprising glass fiber, wood material chips having a column shape, and a thermoplastic resin.

Description

technical field [0001] The invention relates to a thermoplastic resin composite composition, a thermoplastic resin composite material and a preparation method thereof. Background technique [0002] A composite material is a material formed by combining two or more materials, and it has a fiber, plate, and particle form called a reinforcing phase, and a material in the form of a resin called a matrix phase (matrix phase) structure of the material. The matrix correspondingly provides the side support force of the reinforced material, transmits the load, and bears the external impact, while the reinforced material should have the characteristics of high strength and high rigidity. [0003] Since most thermoplastic resins lack heat resistance and have crystallinity (cristallinity), they have disadvantages of poor impact strength and high shrinkage during molding. In order to improve the above-mentioned disadvantages, a technique of introducing a polymer alloy (alloy) or adding...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L101/00C08K7/14C08L97/02C08J5/08
CPCC08K7/14C08L97/02C08B1/003C08H6/00C09D101/02C09D103/02C09D103/04C09D105/14C09D197/005C09D197/02C08L1/02C08L3/02C08L3/04C08L5/14C08L97/005C08J5/047C08J5/10B32B21/02B32B21/10B32B2260/026B32B2260/046B32B2262/101B32B2307/558C08J2300/22C08J2323/12B29K2101/12B29K2105/16B29K2309/08C08L101/00C08L23/12C08J5/08B29C43/003
Inventor 金成珉吴爱利郑在烈金熙俊
Owner LG HAUSYS LTD