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1. 发明授权

US4889896A Process for the imidization of copolymers of maleic anhydride with vinyl-aromatic monomers 失效
标题翻译：马来酸酐与乙烯基芳族单体的共聚物酰亚胺化的方法
公开(公告)号：US4889896A
公开(公告)日：1989-12-26
申请号：US289824
申请日：1988-12-27
申请人： Luciano Canova , Umberto Giannini , Enrico Albizzati , Italo Borghi , Antonio Proto
发明人： Luciano Canova , Umberto Giannini , Enrico Albizzati , Italo Borghi , Antonio Proto
IPC分类号： C08F8/30
CPC分类号： C08F8/30 , C08F2800/20
摘要： The invention concerns a process for the imidization of copolymers of maleic anhydride with vinyl-aromatic monomers using an urea as the imidizing agent.

2. 发明授权

US4933395A Process for imidizing vinyl-aromatic copolymers 失效
标题翻译：酰亚胺化乙烯基芳族共聚物的方法
公开(公告)号：US4933395A
公开(公告)日：1990-06-12
申请号：US307635
申请日：1989-02-08
申请人： Luciano Canova , Umberto Giannini , Enrico Albizzati , Antonio Proto
发明人： Luciano Canova , Umberto Giannini , Enrico Albizzati , Antonio Proto
IPC分类号： C08F8/30
CPC分类号： C08F8/30 , C08F2800/20
摘要： Process for the imidization of vinyl-aromatic copolymers containing maleic anhydride, using as an imidizing agent an amide, the imidization being conducted in an anhydrous state and in the presence of a catalyst.

3. 发明授权

US5021514A Imidized acrylic polymers and process for their preparation 失效
标题翻译：酰亚胺化丙烯酸聚合物及其制备方法
公开(公告)号：US5021514A
公开(公告)日：1991-06-04
申请号：US529466
申请日：1990-05-29
申请人： Luciano Canova , Umberto Giannini , Enrico Albizzati
发明人： Luciano Canova , Umberto Giannini , Enrico Albizzati
IPC分类号： C08F8/30 , C08F8/34
CPC分类号： C08F8/30 , C08F2800/20
摘要： Imidized acrylic polymers obtained by means of the reaction of an acrylic resin in the molten state, with at least one modifying agent having the general formula:R--X--NH--R' (I)wherein:R and R' are either equal to, or different from, each other and represent hydrogen or an alkyl, cycloalkyl, aryl or alkylaryl radical containing from 1 to 20 carbon atoms, andX is a bifunctional radical selected from the group consisting of: --CO--, --CONH--, --NHCO--, --OCO--, --SO.sub.2 --, --C.sub.6 H.sub.4 SO.sub.2 --.

4. 发明授权

US4968755A Imidized acrylic polymers and process for their preparation 失效
标题翻译：酰亚胺化丙烯酸聚合物及其制备方法
公开(公告)号：US4968755A
公开(公告)日：1990-11-06
申请号：US143321
申请日：1988-01-13
申请人： Luciano Canova , Umberto Giannini , Enrico Albizzati
发明人： Luciano Canova , Umberto Giannini , Enrico Albizzati
IPC分类号： C08F8/30 , C08F8/34
CPC分类号： C08F8/30 , C08F2800/20
摘要： Imidized acrylic polymers obtained by means of the reaction of an acrylic resin in the molten state, with at least one modifying agent having the general formula:R--X--NH--R' (I)wherein:R and R' are either equal to, or different from, each other and represent hydrogen or an alkyl, cycloalkyl; aryl or alkylaryl radical containing from 1 to 20 carbon atoms, andX is a bifunctional radical selected from the group consisting of: --CO--, --CONH--, --NHCO--, --OCO--, --SO.sub.2 --, --C.sub.6 H.sub.4 SO.sub.2 --.

5. 发明授权

US5049535A Catalysts for the polymerization of olefins 失效
标题翻译：用于烯烃聚合的催化剂
公开(公告)号：US5049535A
公开(公告)日：1991-09-17
申请号：US471901
申请日：1990-01-30
申请人： Luigi Resconi , Umberto Giannini , Enrico Albizzati
发明人： Luigi Resconi , Umberto Giannini , Enrico Albizzati
IPC分类号： C08F4/60 , C08F4/642 , C08F4/659 , C08F4/6592 , C08F10/00
CPC分类号： C08F10/00 , C08F4/65912 , C08F4/65922 , Y10S526/943
摘要： Catalysts for the polymerization of olefins, obtained from special zirconocenic compounds and from alkyl-Al compounds.

6. 发明授权

US4980329A Catalyst component and catalyst for the polymerization of alpha-olefins to stereoregular polymers having narrow molecular weight distribution 失效
标题翻译：用于将α-烯烃聚合成具有窄分子量分布的立体规则聚合物的催化剂组分和催化剂
公开(公告)号：US4980329A
公开(公告)日：1990-12-25
申请号：US353223
申请日：1989-05-15
申请人： Pier C. Barbe , Enrico Albizzati , Umberto Giannini , Giovanni Baruzzi , Luciano Noristi
发明人： Pier C. Barbe , Enrico Albizzati , Umberto Giannini , Giovanni Baruzzi , Luciano Noristi
IPC分类号： B01J37/00 , B01J31/38 , C08F4/60 , C08F4/64 , C08F4/643 , C08F4/654 , C08F10/00
CPC分类号： C08F10/00
摘要： Disclosed is a component for a catalyst for the polymerization of alpha-olefins to stereoregular polymers having narrow molecular weight distribution. The product is formed by the reaction of a solid catalyst-forming component comprising (1) a Ti compound having at least one Ti-halogen bond and (2) optionally, an electron-donor compound, supported on an anhydrous Mg dihalide in active form, with certain amounts of an organic compound (AH) containing at least one active hydrogen atom, in the presence of a liquid medium which is inert with respect to the Ti compound and the other components of the catalyst component, and which has a dielectric constant greater than 2 at 20.degree. C.Catalysts comprising the reaction product of the solid catalyst component prepared as above described, with an Al-alkyl compound and an electron-donor compound are also disclosed.
摘要翻译：公开了用于将α-烯烃聚合成具有窄分子量分布的立体规则聚合物的催化剂的组分。该产物是由固体催化剂形成组分反应形成的，该组分包含（1）具有至少一个Ti-卤素键的Ti化合物和（2）任选的电子给体化合物，负载在活性形式的无水Mg二卤化物上在一定量的含有至少一个活性氢原子的有机化合物（AH）的存在下，相对于Ti化合物和催化剂组分的其它组分是惰性的，并且具有介电常数在20℃下大于2的催化剂也包括如上所述制备的固体催化剂组分与烷基铝化合物和电子给体化合物的反应产物。

7. 发明授权

US4277589A Components of catalysts useful for the polymerization of alpha-olefins, and catalysts prepared therefrom 失效
标题翻译：可用于α-烯烃聚合的催化剂组分和由其制备的催化剂
公开(公告)号：US4277589A
公开(公告)日：1981-07-07
申请号：US105912
申请日：1979-12-21
申请人： Umberto Giannini , Enrico Albizzati , Sandro Parodi
发明人： Umberto Giannini , Enrico Albizzati , Sandro Parodi
IPC分类号： C08F4/00 , C08F4/02 , C08F4/60 , C08F4/64 , C08F4/654 , C08F10/00 , C08F10/06
CPC分类号： C08F10/00 , C08F4/022 , Y10S526/901 , Y10S526/902 , Y10S526/906
摘要： There are disclosed new solid catalyst-forming components for use in preparing catalysts for the stereoregular polymerization of alpha-olefins containing at least 3 carbon atoms, mixtures of alpha-olefins with one another and/or with ethylene, said components being obtained by reacting(a) at least one hydrocarbon-soluble halogenated Ti compound;(b) a product comprising a Mg dihalide obtained by decomposition of an adduct of at least a Mg dihalide and an electron-donor compound present in the adduct in an amount of at least 0.5 mole per mole of Mg dihalide, the decomposition product being characterized in that, in its X-rays powder spectrum, instead of the diffraction line of maximum intensity which appears in the X-rays powder spectrum of the normal Mg dihalide, a halo appears whose intensity maximum is shifted with respect to said line, and(c) an electron-donor compound which does not contain active hydrogen atoms.The electron-donor compound (c) can be reacted with (a) or combined with (b) before the reaction of (a) and (b).Methods for preparing the new catalyst-forming components, catalysts obtained therefrom, and use of the catalysts for the production of crystalline homo- and co-polymers of the alpha-olefins are also disclosed.
摘要翻译：公开了用于制备含有至少3个碳原子的α-烯烃，α-烯烃彼此和/或与乙烯的混合物的立构规整聚合的催化剂的新的固体催化剂形成组分，所述组分通过使（ a）至少一种烃溶性卤化Ti化合物; （b）通过将至少二氢卤化镁的加合物和加合物中存在的电子给体化合物的摩尔量相对于每摩尔二卤化镁至少为0.5摩尔的量分解得到的二卤化镁的产物，分解产物的特征在于因为在其X射线粉末光谱中，代替在正常Mg二卤化物的X射线粉末光谱中出现的最大强度的衍射线，出现其强度最大值相对于所述线移动的晕圈，（ c）不含活性氢原子的电子给体化合物。电子给体化合物（c）可以在（a）和（b）的反应之前与（a）或（b）反应。还公开了制备新催化剂形成组分的方法，由其获得的催化剂，以及用于生产α-烯烃的结晶均聚物和共聚物的催化剂的用途。

8. 发明授权

US4174429A Process for polymerizing olefins 失效
标题翻译：烯烃聚合方法
公开(公告)号：US4174429A
公开(公告)日：1979-11-13
申请号：US936630
申请日：1978-08-23
申请人： Umberto Giannini , Enrico Albizzati , Sandro Parodi , Franco Pirinoli
发明人： Umberto Giannini , Enrico Albizzati , Sandro Parodi , Franco Pirinoli
IPC分类号： C08F10/00 , C08F4/66
CPC分类号： C08F10/00 , C08F2410/04
摘要： New catalysts for the polymerization and copolymerization of olefins are disclosed. The catalysts are prepared from (1) a new class of metal compounds containing at least one atom of Mg, Mn or Ca and at least one atom of Ti, V or Zr and (2) organometallic compounds of metals belonging to one of Groups I to III of the Mendelyeev Periodic Table.
摘要翻译：公开了用于烯烃聚合和共聚的新型催化剂。催化剂由（1）含有至少一个Mg，Mn或Ca原子和Ti，V或Zr的至少一个原子的金属化合物和（2）属于I族之一的金属的有机金属化合物到门德利夫夫周期表III。

9. 发明授权

US4149990A Components of catalysts useful for the polymerization of .alpha.-olefins, and catalysts prepared therefrom 失效
标题翻译：可用于聚合{60-烯烃及其制备的催化剂的催化剂组分
公开(公告)号：US4149990A
公开(公告)日：1979-04-17
申请号：US822547
申请日：1977-08-08
申请人： Umberto Giannini , Enrico Albizzati , Sandro Parodi
发明人： Umberto Giannini , Enrico Albizzati , Sandro Parodi
IPC分类号： C08F4/00 , C08F4/02 , C08F4/60 , C08F4/64 , C08F4/654 , C08F10/00 , C08F4/62 , C08F4/10
CPC分类号： C08F10/00 , C08F4/022 , Y10S526/901 , Y10S526/902 , Y10S526/906
摘要： There are disclosed new solid catalyst-forming components for use in preparing catalysts for the stereoregular polymerization of alpha-olefins containing at least 3 carbon atoms, mixtures of alpha-olefins with one another and/or with ethylene, said components being obtained by reacting(a) at least one hydrocarbon-soluble halogenated Ti compound;(b) a product comprising a Mg dihalide obtained by decomposition of an adduct of at least a Mg dihalide and an electron-donor compound present in the adduct in an amount of at least 0.5 mole per mole of Mg dihalide, the decomposition product being characterized in that, in its X-rays powder spectrum, instead of the diffraction line of maximum intensity which appears in the X-rays powder spectrum of the normal Mg dihalide, a halo appears whose intensity maximum is shifted with respect to said line, and(c) an electron-donor compound which does not contain active hydrogen atoms.The electron-donor compound (c) can be reacted with (a) or combined with (b) before the reaction of (a) and (b).Methods for preparing the new catalyst-forming components, catalysts obtained therefrom, and use of the catalysts for the production of crystalline homo- and co-polymers of the alpha-olefins are also disclosed.
摘要翻译：公开了用于制备含有至少3个碳原子的α-烯烃，α-烯烃彼此和/或与乙烯的混合物的立构规整聚合的催化剂的新的固体催化剂形成组分，所述组分通过使（ A）至少一种可溶于碳氢化合物的化合物; （B）包含通过将至少二氢卤化镁和存在于加合物中的电子给体化合物的加合物分解为每摩尔二卤化镁至少0.5摩尔量的二氢卤化镁的产品，分解产物被表征因为在其X射线粉末光谱中，代替在正常Mg二卤化物的X射线粉末光谱中出现的最大强度的衍射线，出现其强度最大值相对于所述线移动的晕圈，（ C）不含活性氢原子的电子化合物。

10. 发明授权

US5142005A Process for producing crystalline vinyl aromatic polymers having mainly a syndiotactic structure 失效
标题翻译：生产具有主要结构结构的结晶乙烯芳族聚合物的方法
公开(公告)号：US5142005A
公开(公告)日：1992-08-25
申请号：US133055
申请日：1987-12-15
申请人： Enrico Albizzati , Umberto Giannini , Giovanni Giunchi , Romano Mazzocchi , Luigi Resconi
发明人： Enrico Albizzati , Umberto Giannini , Giovanni Giunchi , Romano Mazzocchi , Luigi Resconi
IPC分类号： C08F12/08 , C08F4/60 , C08F4/64 , C08F4/642 , C08F4/6592 , C08F12/00 , C08F12/04
CPC分类号： C08F12/04 , C08F10/00 , C08F12/08 , Y10S526/941
摘要： A process for the production of primarily syndiotactic vinyl aromatic polymers by polymerizing or copolymerizing vinyl aromatic monomers such as styrene or styrene derivatives in the presence of a catalyst system comprising the product of the reaction between:a) a compound of a transition metal (M) different from titanium and containing at least a bond M-O, M-C, M-N, M-P, M-S or M-halogen, andb) an organoaluminum compound containing at least an oxygen atom bound to the aluminum atom or bound between two aluminum atoms.Compound a) can be used as such or may be supported on a suitable carrier.

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