发明名称 |
Semicrystalline manufactured articles made of syndiotactic poly-p-methylstyrene (s-PpMS) |
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.
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申请公布号 |
US5468823(A) |
申请公布日期 |
1995.11.21 |
申请号 |
US19930977445 |
申请日期 |
1993.02.12 |
申请人 |
MONTECATINI TECNOLOGIE S.P.A. |
发明人 |
GUERRA, GAETANO;CORRADINI, PAOLO;DEROSA, 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):C08F112/12 |
主分类号 |
B29C55/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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