| 摘要 |
PCT No. PCT/EP92/01710 Sec. 371 Date Feb. 12, 1993 Sec. 102(e) Date Feb. 12, 1993 PCT Filed Jul. 28, 1992 PCT Pub. No. WO93/03211 PCT Pub. Date Feb. 18, 1993.Semicrystalline manufactured articles made of syndiotactic poly-p-methylstyrene (s-PpMS) in a crystalline form having a high melting point (225 DEG C.), and processes for the preparation thereof. Processes for preparing semicrystalline manufactured articles (semi-finished products, formed articles, fibers, films, etc.) made of s-PpMS in its different crystalline forms by exposure of amorphous manufactured articles to suitable solvents and by subsequent thermomechanical treatments. |
