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Title:
POLYPROPYLENE COMPOSITE MATERIAL FOR USE IN THIN-WALL INJECTION MOLDING AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/085646
Kind Code:
A1
Abstract:
A polypropylene composite material for use in thin-wall injection molding and a preparation method therefor. The composite material comprises the following components in parts by weight: 60-90 parts of a high-flow polypropylene base material, 5-40 parts of a coating talc powder masterbatch, 2-15 parts of ternary copolymerized PP, 1-10 parts of K resin, 20-30 parts of organic fibers, and 1 part of other auxiliaries. The prepared polypropylene composite material has high fluidity and high rigidity, and can be used for preparing thin-walled plastic parts featuring flow mark resistance, wall shrinkage resistance, and low warpage.

Inventors:
WANG, Liwen (No.698 Fengting Avenue, Suzhou Industrial ParkSuzhou, Jiangsu 2, 215122, CN)
LI, Qinggui (No.698 Fengting Avenue, Suzhou Industrial ParkSuzhou, Jiangsu 2, 215122, CN)
HE, Tengfei (No.698 Fengting Avenue, Suzhou Industrial ParkSuzhou, Jiangsu 2, 215122, CN)
ZHOU, Ming (No.698 Fengting Avenue, Suzhou Industrial ParkSuzhou, Jiangsu 2, 215122, CN)
WENG, Yonghua (No.698 Fengting Avenue, Suzhou Industrial ParkSuzhou, Jiangsu 2, 215122, CN)
DING, Xianlin (No.698 Fengting Avenue, Suzhou Industrial ParkSuzhou, Jiangsu 2, 215122, CN)
Application Number:
CN2018/104810
Publication Date:
May 09, 2019
Filing Date:
September 10, 2018
Export Citation:
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Assignee:
SUZHOU RUNJIA ENGINEERING PLASTIC CO., LTD. (No.698 Fengting Avenue, Suzhou Industrial ParkSuzhou, Jiangsu 2, 215122, CN)
International Classes:
C08L23/12; B29C48/92; C08K3/34; C08K9/10; C08L23/14; C08L53/02; C08L67/02
Attorney, Agent or Firm:
NANJING ZONGHENG INTELLECTUAL PROPERTY AGENCY CO., LTD. (3th floor of Innovation Square No.9 Gaoxin Road High-tech Zone Pukou, Nanjing, Jiangsu 2, 210032, CN)
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