Chem. J. Chinese Universities ›› 1989, Vol. 10 ›› Issue (7): 781.

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Studies on Shrinkage-Compensation Effect of Unsaturated Polyester (Ⅰ) ——Shrinkage-Compensation Effect of Several Common Polymers

Gao Shanjuan, Wu Xuemei   

  1. Nanjing Institute of Chemical Engineering, Nanjing
  • Received:1987-03-27 Online:1989-07-24 Published:1989-07-24

Abstract: The shrinkage- compensation effects of five polymers such as PS, PE, PVC, 330* polyether, alkyd resin on 191* unsaturated polyester were examined.These polymers were used in the preparation of low-profile sheet-molding and bulk-molding compounds and the mechanical and thermal properties of these products were also determined.The properties of these modified unsaturated polyesters are satisfactory.

Key words: Unsaturated polyesters, Shrinkage resistance, Shrinkage-resistance polyester, Moldings

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