Page 20 - 《橡塑技术与装备》2021年20期（10月下半月塑料）

目 次 Contents █ No.20 2021 █

■ EXPERT LECTURE
Synthesis of unsaturated polyester resin promoter acetylacetone ........................................................Wang Kun（1）
Development of a fabric core flame retardant conveyor belt feet for coal mine ........................................ Cao Hui（9）
Study on modification of recycled polyethylene plastics
....................................................... Fu Lili, Zhu Yunsong, Lu Jianqi, Gao Tianbao, Dong Meiyu, Zhang Wanting（13）
■ THEORY AND RESEARCH
Development of integrated mold cooling system for injection molding machine

.............................................................................................................................. Zhang Yibo, Jin Jingming, Wang Kedi（17）
Discussion on pollution control of FRP production enterprises ........................................................ Liu Yuxue, Zhu Lei（21）
Development and application progress of polyurethane elastomer .........................................................Wang Duoren（24）
■ NEW TECHNOLOGIES AND NEW PRODUCTS

Research and development of multifunctional FDM 3D printer based on open source software and hardware
.................................................................................................................................................................................Liu Lei（29）
Structural design of injection mold for lamp cap shell of new mobile lamp ............................. Gao Junli, Wen Genbao（34）
■ MACHINERY AND MOULD

Injection molding process and mold design of air conditioner front panel ................................. Hong Shenzhang（39）
■ TESTING AND ANALYSIS
Test method for reliability of plastic folding boxes ......................................................................................Liu Guangtian（42）
Analysis and study on spot defects of optical biaxially-oriented polyethylene terephthalate
...................................................................................Wang Hui, Bao Shiping, Sun Jingjing, Gao Qing, Yang Yongkuan（45）
■ MANUFACTURING AND PROCESS CONTROL
Optimizing the heating and temperature control of extended nozzle ..........Pan Hongliang, Xu He, Wu Xiaofeng（49）
■ PRODUCT AND DESIGN

Clone design and calculation of modified worm and modified worm gear ......... Wen Genbao, Shi Wen, Wen Li （52）
■ DOMESTIC AND INTERNATIONAL TRENDS .................................................................................... （58）

■ PATENT ABSTRACTS .............................................................................................................................. （62）

THE MAIN CONTENTS OF NEXT ISSUE

Research on injection molding process optimization of automobile rearview mirror main shell based on BP neural
network ...............................................................................................................................................Jiang Heming, et al
Effect of polymer on toughness of PP-B ......................................................................................................... Chen Song
Effect of molecular structure on mixing process and technology of EPDM compound .................................... Li Boshen
Viewing the current situation and future of domestic basic industry from the injection molding machine industry
.........................................................................................................................................................................Shi Zeman
Effect of silane coupling agent on interfacial properties of polypropylene / aluminum alloy pressed parts ......................
.....................................................................................................................................................................Li Sulan, et al