CATALYST COMPONENT FOR OLEFIN POLYMERIZATION AND CATALYST COMPRISING THE SAME
    2.
    发明申请
    CATALYST COMPONENT FOR OLEFIN POLYMERIZATION AND CATALYST COMPRISING THE SAME 有权
    用于烯烃聚合的催化剂组分和包含其的催化剂

    公开(公告)号:US20120252992A1

    公开(公告)日:2012-10-04

    申请号:US13501585

    申请日:2010-10-18

    摘要: A catalyst component for olefin polymerization is disclosed, which comprises a reaction product of the following components: (1) a spheric carrier; (2) a titanium compound; and optionally, (3) an electron donor, wherein the spheric carrier comprises a reaction product of at least the following components: (a) a magnesium halide represented by a general formula of MgX2-nRn, wherein X is independently chloride or bromide, R is a C1-C14 alkyl, a C6-C14 aryl, a C1-C14 alkoxy, or a C6-C14 aryloxy, and n is 0 or 1; (b) an alcohol compound; and (c) an epoxy compound represented by a general formula (I), wherein R2 and R3 are independently hydrogen, a C1-C5 linear or branched alkyl, or a C1-C5 linear or branched haloalkyl. When the catalyst of the invention is used in olefin polymerization, in particular in propylene polymerization, at least one of the following desired effects can be achieved: high polymerization activity of catalyst, high stereospecificity of catalyst, good hydrogen response of catalyst, high stereoregularity of polymer having high melt index, and low content of polymer fines.

    摘要翻译: 公开了用于烯烃聚合的催化剂组分,其包含以下组分的反应产物:(1)球形载体; (2)钛化合物; 并且任选地,(3)电子给体,其中所述球载体包含至少以下组分的反应产物:(a)由通式MgX 2 -nR n表示的卤化镁,其中X独立地是氯或溴,R 是C 1 -C 14烷基,C 6 -C 14芳基,C 1 -C 14烷氧基或C 6 -C 14芳氧基,n是0或1; (b)醇化合物; 和(c)由通式(I)表示的环氧化合物,其中R2和R3独立地是氢,C1-C5直链或支链烷基或C1-C5直链或支链卤代烷基。 当本发明的催化剂用于烯烃聚合时,特别是在丙烯聚合中,可以达到以下期望效果中的至少一个:催化剂的高聚合活性,催化剂的高立体定向性,催化剂的氢气响应良好,立体定向性高 聚合物具有高熔体指数,低含量的聚合物细粉。

    Catalyst component for olefin polymerization and catalyst comprising the same
    5.
    发明授权
    Catalyst component for olefin polymerization and catalyst comprising the same 有权
    用于烯烃聚合的催化剂组分和包含其的催化剂

    公开(公告)号:US09243086B2

    公开(公告)日:2016-01-26

    申请号:US13501585

    申请日:2010-10-18

    摘要: A catalyst component for olefin polymerization is disclosed, which comprises a reaction product of the following components: (1) a spheric carrier; (2) a titanium compound; and optionally, (3) an electron donor, wherein the spheric carrier comprises a reaction product of at least the following components: (a) a magnesium halide represented by a general formula of MgX2-nRn, wherein X is independently chloride or bromide, R is a C1-C14 alkyl, a C6-C14 aryl, a C1-C14 alkoxy, or a C6-C14 aryloxy, and n is 0 or 1; (b) an alcohol compound; and (c) an epoxy compound represented by a general formula (I), wherein R2 and R3 are independently hydrogen, a C1-C5 linear or branched alkyl, or a C1-C5 linear or branched haloalkyl. When the catalyst of the invention is used in olefin polymerization, in particular in propylene polymerization, at least one of the following desired effects can be achieved: high polymerization activity of catalyst, high stereospecificity of catalyst, good hydrogen response of catalyst, high stereoregularity of polymer having high melt index, and low content of polymer fines.

    摘要翻译: 公开了用于烯烃聚合的催化剂组分,其包含以下组分的反应产物:(1)球形载体; (2)钛化合物; 并且任选地,(3)电子给体,其中所述球载体包含至少以下组分的反应产物:(a)由通式MgX 2 -nR n表示的卤化镁,其中X独立地是氯或溴,R 是C 1 -C 14烷基,C 6 -C 14芳基,C 1 -C 14烷氧基或C 6 -C 14芳氧基,n是0或1; (b)醇化合物; 和(c)由通式(I)表示的环氧化合物,其中R2和R3独立地是氢,C1-C5直链或支链烷基或C1-C5直链或支链卤代烷基。 当本发明的催化剂用于烯烃聚合时,特别是在丙烯聚合中,可以达到以下期望效果中的至少一个:催化剂的高聚合活性,催化剂的高立体定向性,催化剂的氢气响应良好,立体定向性高 聚合物具有高熔体指数,低含量的聚合物细粉。

    NOVEL CELLULOSE ETHERS AND THEIR USE
    8.
    发明申请
    NOVEL CELLULOSE ETHERS AND THEIR USE 有权
    新颖的纤维素及其使用

    公开(公告)号:US20130236512A1

    公开(公告)日:2013-09-12

    申请号:US13825697

    申请日:2011-10-06

    IPC分类号: C08B11/02

    摘要: Cellulose ethers are described herein which are useful in capsules or in coatings for dosage forms. In these cellulose ethers the ether substituents are methyl groups, hydroxyalkyl groups, and optionally alkyl groups being different from methyl, the cellulose ether has an MS (hydroxyalkyl) of 0.05 to 1.00, and hydroxy groups of anhydroglucose units are substituted with methyl groups such that [s23/s26−0.2*MS(hydroxyalkyl)] is 0.35 or less, wherein s23 is the molar fraction of anhydroglucose units wherein only the two hydroxy groups in the 2- and 3-positions of the anhydroglucose unit are substituted with methyl groups and wherein s26 is the molar fraction of anhydroglucose units wherein only the two hydroxy groups in the 2- and 6-positions of the anhydroglucose unit are substituted with methyl groups.

    摘要翻译: 本文描述了纤维素醚,其可用于胶囊或用于剂型的包衣。 在这些纤维素醚中,醚取代基是甲基,羟基烷基和任选的不同于甲基的烷基,纤维素醚具有0.05至1.00的MS(羟基烷基),脱水葡萄糖单元的羟基被甲基取代,使得 [s23 / s26-0.2 * MS(羟烷基)]为0.35以下,其中s23为脱水葡萄糖单元的摩尔分数,其中脱水葡萄糖单元的2-和3-位上的两个羟基仅被甲基取代, 其中s26是脱水葡萄糖单元的摩尔分数,其中脱水葡萄糖单元的2-和6-位中的两个羟基仅被甲基取代。

    METHOD FOR FORMING A PRE-METAL DIELECTRIC LAYER USING AN ENERGY BEAM TREATMENT
    10.
    发明申请
    METHOD FOR FORMING A PRE-METAL DIELECTRIC LAYER USING AN ENERGY BEAM TREATMENT 审中-公开
    使用能量束处理形成预金属介电层的方法

    公开(公告)号:US20080076227A1

    公开(公告)日:2008-03-27

    申请号:US11533795

    申请日:2006-09-21

    IPC分类号: H01L21/336

    摘要: The present invention provides a method for manufacturing a semiconductor device. The method for manufacturing the semiconductor device includes, among other steps, forming a gate structure over a substrate, the gate structure having source/drain regions proximate thereto and in, on or over the substrate, forming a pre-metal dielectric layer over the gate structure and source/drain regions, and subjecting the pre-metal dielectric layer to an energy beam treatment, the energy beam treatment configured to change a stress of the pre-metal dielectric layer, and thus change a stress in the substrate therebelow.

    摘要翻译: 本发明提供一种制造半导体器件的方法。 除了其他步骤之外,用于制造半导体器件的方法包括在衬底上形成栅极结构,栅极结构具有靠近其的源极/漏极区域,并且在衬底上,衬底上或上方,在栅极上形成预金属电介质层 结构和源极/漏极区域,并且对金属前介电层进行能量束处理,所述能量束处理被配置为改变预金属介电层的应力,从而改变其下的衬底中的应力。