专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5468823A Semicrystalline manufactured articles made of syndiotactic poly-p-methylstyrene (s-PpMS) 失效
标题翻译：由间同立构聚对甲基苯乙烯（s-PpMS）制成的半晶体制品
公开(公告)号：US5468823A
公开(公告)日：1995-11-21
申请号：US977445
申请日：1993-02-12
申请人： Gaetano Guerra , Paolo Corradini , Claudio DeRosa , Mauro Iuliano , Leone Oliva , Vittorio Petraccone
发明人： Gaetano Guerra , Paolo Corradini , Claudio DeRosa , Mauro Iuliano , Leone Oliva , Vittorio Petraccone
IPC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 , C08F112/12
CPC分类号： C08J5/00 , C08J5/18 , D01F6/20 , C08J2325/16
摘要： Semicrystalline manufactured articles made of syndiotactic poly-p-methylstyrene (s-PpMS) in a crystalline form having a high melting point (225.degree. 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.
摘要翻译： PCT No.PCT / EP92 / 01710 Sec。 371日期：1993年2月12日 102（e）日期1993年2月12日PCT提交1992年7月28日PCT公布。第WO93 / 03211号公报日期：1993年2月18日。具有高熔点（225℃）的结晶形式的间同立构聚对甲基苯乙烯（s-PpMS）制造的半结晶制品及其制备方法。通过将非晶制品暴露于合适的溶剂和随后的热机械处理，制备由不同结晶形式的s-PpMS制成的半晶体制品（半成品，成型制品，纤维，薄膜等）的方法。

2. 发明授权

US06617410B2 Propylene copolymers containing styrene units 失效
标题翻译：含苯乙烯单元的丙烯共聚物
公开(公告)号：US06617410B2
公开(公告)日：2003-09-09
申请号：US10068361
申请日：2002-02-06
申请人： Leone Oliva , Gaetano Guerra , Lucia Caporaso , Lorella Izzo , Luigi Resconi
发明人： Leone Oliva , Gaetano Guerra , Lucia Caporaso , Lorella Izzo , Luigi Resconi
IPC分类号： C08F21006
CPC分类号： C08F210/06 , C08F210/16 , C08F212/08 , C08F2500/15 , C08F2500/20
摘要： Isotactic-polypropylene-based copolymers having a homogenous distribution of recurring units of formula (1): where R is a hydrogen, halide radical or a hydrocarbyl radical optionally containing an atom selected from oxygen, nitrogen, sulphur, phosphorus and silicon, and n is an integer ranging from 1 to 3; said copolymer having a 13C-NMR spectrum wherein the resonance signals attributed to the links between different monomeric units fall around 30, 34, 35, 45 and 47 ppm and present intensities at least two times higher than the resonance signals attributed to styrene—styrene sequences around 41 ppm and 44-46 ppm; a process for preparing said copolymers carried out in the presence of homogeneous catalytic systems comprising a metallocene compound and a cocatalyst; functionalized copolymers obtained from said isotactic-polypropylene-based copolymers; and graft copolymers comprising said isotactic-polypropylene-based copolymers as backbones.
摘要翻译：具有式（1）的重复单元的均匀分布的全同立构聚丙烯基共聚物：其中R是氢，卤化物基团或任选地含有选自氧，氮，硫，磷和硅的原子的烃基，n是整数范围从1到3; 所述共聚物具有13 C-NMR光谱，其中归因于不同单体单元之间的连接的共振信号落在30,34,35,45和47ppm附近，并且呈现比归因于苯乙烯 - 苯乙烯序列的共振信号高至少两倍的强度约41ppm和44-46ppm; 在包含金属茂化合物和助催化剂的均相催化体系存在下进行所述共聚物的方法; 由所述全同立构聚丙烯基共聚物获得的官能化共聚物; 和包含所述全同立构聚丙烯基共聚物作为骨架的接枝共聚物。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式