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Glassfiber reinforced co-polypropylene and preparation process thereof

A technology for copolymerizing polypropylene and preparation technology, applied in the field of polypropylene composite materials and preparation technology, can solve the problems of deterioration of impact performance, low elongation at break notched impact strength, affecting the scope of application, etc., so as to optimize impact properties, improve Elongation at break and notched impact strength, the effect of high production efficiency

Inactive Publication Date: 2017-09-22
郁华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Polypropylene (PP) composite materials are more and more popular because of their more properties. The main defects of existing polypropylene (PP) composite materials are: severe deterioration of impact performance, low elongation at break and notched impact strength, affect its scope of application

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0012] Glass fiber reinforced polypropylene copolymer, composed of PPR, glass fiber ply roving, polypropylene grafted maleic anhydride, flow modifier, ABS.

[0013] The preparation process of the above-mentioned glass fiber reinforced copolymerized polypropylene: mix PPR, flow modifier, and polypropylene grafted maleic anhydride in a mixer in a certain proportion, and then add them to a twin-screw extruder to extrude and granulate. The glass fiber is added from the glass fiber inlet of the extruder, and the extrusion temperature of each section is 185, 195, 210, 210, 210, 210, 200°C, and then the extruded pellets are dried at 90°C for 4 hours, and injected into the injection molding machine The splines are ready for use, and the injection molding temperatures of each section are 200, 210, 220, and 220°C.

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Abstract

The invention discloses glassfiber reinforced co-polypropylene which comprises PPR, glassfiber assembled roving, polypropylene grafted maleic anhydride, a flow modifier, and ABS. The invention further discloses a preparation process of glassfiber reinforced co-polypropylene. The glassfiber assembled roving is added, so that the impact property is optimized, and the elongation at break and the notch impact strength are improved. By adoption of the preparation process, the preparation efficiency is high, and the quality is stable.

Description

technical field [0001] The invention relates to a polymer material and a preparation process thereof, in particular to a polypropylene (PP) composite material and a preparation process thereof. Background technique [0002] Polypropylene (PP) composite materials are more and more popular because of their more properties. The main defects of existing polypropylene (PP) composite materials are: severe deterioration of impact performance, low elongation at break and notched impact strength, affect its scope of application. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the invention proposes a glass fiber reinforced copolymerized polypropylene capable of optimizing the impact performance, improving the elongation at break and the notched impact strength and a preparation process thereof. [0004] The present invention achieves technical goals through the following technical solutions. [0005] The improvement of glass fiber reinforced polypr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/14C08L51/06C08L55/02C08K7/14
CPCC08L23/14C08L2205/03C08L51/06C08L55/02C08K7/14
Inventor 郁华
Owner 郁华