| 发明名称 |
METHOD OF OBTAINING POLYPROPYLENE |
| 摘要 |
Catalysts for the polymerization of alpha-olefins which comprise the reaction product of: a) an Al-alkyl compound; b) a silicon compound containing at least one Si-OR or Si-OCOR or Si-NR2 bond, R being a hydrocarbyl radical; c) a solid comprising as essential support, a Mg dihalide in active form and supported therein a Ti halide or a halo-Ti-alcoholate and a particular type of electron donor compound. |
| 申请公布号 |
SU1568890(A3) |
申请公布日期 |
1990.05.30 |
| 申请号 |
SU19813450787 |
申请日期 |
1981.08.12 |
| 申请人 |
MONTEDISON S.P.A.(FIRMA) |
发明人 |
SANDRO PARODI,IT;ROBERTO NOCHCHI,IT;UMBERTO DZHANNINI,IT;ENRIKO BARBE,IT;UMBERTO SKATA,IT |
| 分类号 |
C08F4/00;B01J31/38;C08F4/02;C08F4/04;C08F4/60;C08F4/64;C08F4/646;C08F4/649;C08F4/65;C08F4/651;C08F4/654;C08F4/658;C08F10/00;C08F10/06;C08F110/06 |
主分类号 |
C08F4/00 |
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