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63 条记录 (耗时 0.039 秒)

    Process for increasing the melt strength of polypropylene
    2.
    发明授权
    Process for increasing the melt strength of polypropylene 失效
    提高聚丙烯熔体强度的方法

    公开(公告)号：US06951904B1

    公开(公告)日：2005-10-04

    申请号：US09600363

    申请日：1999-01-19

    申请人： Gary Peeters ,  Michael Shane O'Shea ,  Graeme Moad

    发明人： Gary Peeters ,  Michael Shane O'Shea ,  Graeme Moad

    IPC分类号： C08J3/24 ,  C08F8/00 ,  C08K5/14 ,  C08L23/10 ,  C08L23/12 ,  C08L23/26 ,  C08L51/06

    CPC分类号： C08K5/14 ,  C08F8/00 ,  C08L23/10 ,  C08L23/12 ,  C08L51/06 ,  C08F10/06 ,  C08L2666/24

    摘要： A process for modifying a polypropylene (co)polymer wherein said process comprises melt mixing the polypropylene (co)polymer in the presence of an initiator wherein said initiator is selected from the group defined by formula (1), wherein R is selected from the group consisting of optionally substituted C1 to C18 acyl, optionally substituted C1 to C18 alkyl, aroyl defined by formula (2), and compounds of formula (3), wherein U, V, X, Y, Z, U′, V′, X′, Y′ and Z′ are independently selected from the group consisting hydrogen; halogen; C1-C18 alkyl; C1-C18 alkoxy, aryloxy, acyl, acyloxy, aryl, carboxy, alkoxycarbonyl, aryloxycarbonyl, trialkyl silyl, hydroxy, or a moiety of formula (4), and wherein T is alkylene.

    摘要翻译： 一种改性聚丙烯（共）聚合物的方法，其中所述方法包括在引发剂存在下熔融混合聚丙烯（共）聚合物，其中所述引发剂选自式（1）所定义的基团，其中R选自 由任选取代的C 1至C 18酰基，任选取代的C 1至C 18烷基，被定义的芳酰基 式（3）的化合物，其中U，V，X，Y，Z，U'，V'，X'，Y'和Z'独立地选自氢; 卤素; C1-C18烷基; C 1 -C 18烷氧基，芳氧基，酰基，酰氧基，芳基，羧基，烷氧基羰基，芳氧基羰基，三烷基甲硅烷基，羟基或式（4）的部分，其中T是亚烷基。

    Modified polyesters
    3.
    发明授权
    Modified polyesters 失效
    改性聚酯

    公开(公告)号：US06350822B1

    公开(公告)日：2002-02-26

    申请号：US09355540

    申请日：1999-10-19

    申请人： Gary Joseph Van Diepen ,  Michael Shane O'Shea ,  Graeme Moad

    发明人： Gary Joseph Van Diepen ,  Michael Shane O'Shea ,  Graeme Moad

    IPC分类号： C08L6700

    CPC分类号： C08G63/916 ,  C08G63/20 ,  C08G63/46

    摘要： A polymer blend comprising a polyester, a polyfunctional acid anhydride wherein said polyfunctional acid anhydride has a functionality as described herein of three or more, and a polyhydric alcohol or precursor thereto wherein said polyhydric alcohol has a functionality of three or more, and wherein said molar ratio of said polyfunctional acid anhydride to the polyhydric alcohol or precursor thereto is in the range of 0.5:1 to (10×C):1, where C is the number of moles of alcohol or equivalent in the polyhydric alcohol or precursor thereto.

    摘要翻译： 一种聚合物共混物，其包含聚酯，多官能酸酐，其中所述多官能酸酐具有三个或更多个所述的官能度，以及多元醇或其前体，其中所述多元醇具有三个或更多个官能度，并且其中所述摩尔 所述多官能酸酐与多元醇或其前体的比例在0.5:1至（10xC）：1的范围内，其中C是多元醇或其前体中的醇或当量的摩尔数。

    Polyester masterbatch composition
    4.
    发明申请
    Polyester masterbatch composition 审中-公开
    聚酯母粒组成

    公开(公告)号：US20060293416A1

    公开(公告)日：2006-12-28

    申请号：US10557228

    申请日：2004-05-10

    申请人： Gary Peeters ,  Michael O'Shea ,  Graeme Moad ,  Ramon Tozer ,  Dirk Simon

    发明人： Gary Peeters ,  Michael O'Shea ,  Graeme Moad ,  Ramon Tozer ,  Dirk Simon

    IPC分类号： C08J3/22 ,  C08K5/53

    CPC分类号： C08J3/226 ,  C08J2467/00 ,  C08K5/053 ,  C08K5/092 ,  C08L67/02

    摘要： The present invention relates to masterbatches useful for modifying thermoplastic polyesters, in particular to masterbatches comprising dispersed polyol branching agent and/or chain coupling agents, such as for example dianhydrides. The invention also relates to a method for preparing the masterbatches, and to a method for modifying a polyester utilizing the masterbatches. Yet another aspect of the invention is the use of such a masterbatch composition for the modification of polyesters.

    摘要翻译： 本发明涉及可用于改性热塑性聚酯的母料，特别是涉及包含分散的多元醇支化剂和/或链偶联剂（例如二酸酐）的母料。 本发明还涉及一种制备母料的方法，以及一种利用母料改性聚酯的方法。 本发明的另一方面是使用这种母料组合物来改性聚酯。

    Starch Nanocomposite Materials
    5.
    发明申请
    Starch Nanocomposite Materials 有权
    淀粉纳米复合材料

    公开(公告)号：US20100307951A1

    公开(公告)日：2010-12-09

    申请号：US12602257

    申请日：2008-06-02

    申请人： Kishan Khemani ,  Graeme Moad ,  Edmond Lascaris ,  Guoxin Li ,  George Simon ,  Jana Habsuda ,  Robert Shanks ,  Antonietta Genovese ,  Wasantha Gunaratne ,  Lance Nichols

    发明人： Kishan Khemani ,  Graeme Moad ,  Edmond Lascaris ,  Guoxin Li ,  George Simon ,  Jana Habsuda ,  Robert Shanks ,  Antonietta Genovese ,  Wasantha Gunaratne ,  Lance Nichols

    IPC分类号： B65D65/38 ,  C08K3/34

    CPC分类号： C08L3/02 ,  C08K3/346 ,  C08K9/04 ,  C08L2666/06

    摘要： In one aspect, the invention provides a substantially exfoliated nanocomposite material including starch and hydrophobically modified layered silicate clay. In another aspect, the invention provides packaging made from material including the substantially exfoliated nanocomposite material described above. The nanocomposite material has improved mechanical and rheological properties and reduced sensitivity to moisture in that the rates of moisture update and/or loss are reduced. In another aspect, the invention provides a process for preparing the substantially exfoliated nanocomposite material described above, including a step of mixing the starch in the form of an aqueous gel with the hydrophobic clay in a melt mixing device. In a further aspect, the invention provides a process for preparing the substantially exfoliated nanocomposite material, including the steps of mixing the starch with the hydrophobic clay to form a masterbatch (hereinafter “the masterbatch process”) and mixing the masterbatch with further starch.

    摘要翻译： 一方面，本发明提供了包括淀粉和疏水改性的层状硅酸盐粘土的基本上剥离的纳米复合材料。 另一方面，本发明提供由包括上述基本上剥离的纳米复合材料的材料制成的包装。 纳米复合材料具有改善的机械和流变性能并降低对水分的敏感性，因为减少了水分更新和/或损失的速率。 另一方面，本发明提供了一种制备上述基本上剥离的纳米复合材料的方法，包括在熔融混合装置中将水性凝胶形式的淀粉与疏水性粘土混合的步骤。 在另一方面，本发明提供了制备基本上脱落的纳米复合材料的方法，包括将淀粉与疏水性粘土混合以形成母料（以下称为“母料工艺”）并将母料与另外的淀粉混合的步骤。

    Polymerization with living characteristics
    6.
    发明授权
    Polymerization with living characteristics 失效
    具有生活特性的聚合

    公开(公告)号：US07714075B1

    公开(公告)日：2010-05-11

    申请号：US09762833

    申请日：1997-07-03

    申请人： Tam Phuong Le ,  Graeme Moad ,  Ezio Rizzardo ,  San Hoa Thang

    发明人： Tam Phuong Le ,  Graeme Moad ,  Ezio Rizzardo ,  San Hoa Thang

    IPC分类号： C08L23/04

    CPC分类号： C08K5/38 ,  C07C327/36 ,  C07C329/00 ,  C07F9/4065 ,  C08F2/38 ,  C08F12/08 ,  C08F293/00 ,  C08F293/005 ,  C08L25/06

    摘要： This invention concerns a free radical polymerization process, selected chain transfer agents employed in the process and polymers made thereby, in which the process comprises preparing polymer of general Formula (A) and Formula (B) comprising contacting: (i) a monomer selected from the group consisting of vinyl monomers (of structure CH2═CUV), maleic anhydride, N-alkylmaleimide, N-arylmaleimide, dialkyl fumarate and cyclopolymerizable monomers; (ii) a thiocarbonylthio compound selected from Formula (C) and Formula (D) having a chain transfer constant greater than about 0.1; and (iii) free radicals produced from a free radical source; the polymer of Formula (A) being made by contacting (i), (ii) C and (iii) and that of Formula (B) by contacting (i), (ii) D, and (iii); and (iv) controlling the polydispersity of the polymer being formed by varying the ratio of the number of molecules of (ii) to the number of molecules of (iii); wherein Q, R, U, V, Z, Z′, m, p and q are as defined in the text.

    摘要翻译： 本发明涉及自由基聚合方法，该方法中使用的选择的链转移剂和由此制备的聚合物，其中该方法包括制备通式（A）和式（B）的聚合物，其包括使（i）选自 由乙烯基单体（结构为CH 2 = CUV），马来酸酐，N-烷基马来酰亚胺，N-芳基马来酰亚胺，富马酸二烷基酯和可环化聚合的单体组成的组; （ii）选自式（C）和式（D）的硫代羰基硫代化合物，其链转移常数大于约0.1; 和（iii）自由基产生的自由基; 式（A）的聚合物通过使（i），（ii）D和（iii）接触而使（i），（ii）C和（iii）与式（B） 和（iv）通过改变（ii）的分子数与（iii）的分子数之比来控制形成的聚合物的多分散性; 其中Q，R，U，V，Z，Z'，m，p和q如文中所定义。

    Catalytic polymerization process
    10.
    发明申请
    Catalytic polymerization process 有权
    催化聚合工艺

    公开(公告)号：US20050014911A1

    公开(公告)日：2005-01-20

    申请号：US10918772

    申请日：2004-08-13

    申请人： Graeme Moad ,  Ezio Rizzardo ,  Catherine Moad ,  Steven Ittel ,  Lech Wilczek ,  Alexei Gridnev

    发明人： Graeme Moad ,  Ezio Rizzardo ,  Catherine Moad ,  Steven Ittel ,  Lech Wilczek ,  Alexei Gridnev

    IPC分类号： C08F2/00 ,  C08F2/38 ,  C08F290/04 ,  C08G83/00

    CPC分类号： C08F290/04 ,  C08F2/38 ,  C08G83/003

    摘要： This invention relates to a process for controlling the architecture of copolymers of at least two unsaturated monomers, made by free radical polymerization in the presence of a cobalt-containing chain transfer agent, including the control of molecular weight degree of branching and vinyl end group termination, by varying at least one of the variables of molar ratio of monomers, their relative chain transfer constants, polymerization temperature and degree of conversion and amount of cobalt chain transfer agent; and polymers made thereby.

    摘要翻译： 本发明涉及一种用于控制至少两种不饱和单体的共聚物结构的方法，所述共聚物在含钴链转移剂存在下通过自由基聚合制备，包括分子量分支控制和乙烯基端基终止 通过改变单体摩尔比的变量，它们的相对链转移常数，聚合温度和转化度和钴链转移剂的量中的至少一个变量; 和由此制成的聚合物。