| 发明名称 |
SEMICRYSTALLINE MANUFACTURED ARTICLES MADE OF SYNDIOTACTIC POLY-P-METHYLSTYRENE (S-PPMS) |
| 摘要 |
2092918 9303211 PCTABS00019 Semicrystalline manufactured articles made of syndiotactic poly-p-methylstyrene (s-PpMS) in a crystalline form having a high melting point (225 ·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.
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| 申请公布号 |
CA2092918(A1) |
申请公布日期 |
1993.01.30 |
| 申请号 |
CA19922092918 |
申请日期 |
1992.07.28 |
| 申请人 |
MONTECATINI TECNOLOGIE S.P.A. |
发明人 |
GUERRA, GAETANO;CORRADINI, PAOLO;DE ROSA, CLAUDIO;IULIANO, MAURO;OLIVA, LEONE;PETRACCONE, VITTORIO |
| 分类号 |
B29C55/00;B29C55/02;B29K25/00;C08F12/00;C08F12/12;C08J5/00;C08J5/18;C08L25/00;C08L25/16;D01F6/20;D01F6/22;D02J1/22;(IPC1-7):C08F12/12;C08J7/02 |
主分类号 |
B29C55/00 |
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