公开(公告)号：US07163972B2

公开(公告)日：2007-01-16

申请号：US10428348

申请日：2003-05-02

申请人： David J. Chaiko ,  Suhas G. Niyogi

发明人： David J. Chaiko ,  Suhas G. Niyogi

IPC分类号： C08K9/06 ,  C08K3/34 ,  C08K5/01 ,  C08L91/06

CPC分类号： C08J5/005 ,  B82Y30/00 ,  C08K3/346

摘要： The present invention provide methods for producing a low moisture organophyllosilicate composition using monomers, oligomers, or polymers to displace water associated with the organophyllosilicates in an aqueous organophyllosilicate slurry or filter cake. The invention additionally provides methods for producing organophyllosilicate nanocomposites from the concentrated organophyllosilicate compositions by dispersing the compositions in a polymer matrix.

摘要翻译： 本发明提供使用单体，低聚物或聚合物生产低水分有机木质硅酸盐组合物的方法，以在有机硅酸硅酸盐浆液或滤饼水溶液中置换与有机纤维硅酸盐相关的水。 本发明还提供了通过将组合物分散在聚合物基质中从浓缩的有机木质素硅酸盐组合物制备有机纤维素硅酸盐纳米复合材料的方法。

公开(公告)号：US06800694B2

公开(公告)日：2004-10-05

申请号：US09952174

申请日：2001-09-14

申请人： Leonardo Formaro ,  Suhas G. Niyogi ,  Anthony J. DeNicola, Jr.

发明人： Leonardo Formaro ,  Suhas G. Niyogi ,  Anthony J. DeNicola, Jr.

IPC分类号： C08F25500

CPC分类号： C08J9/405 ,  C08F255/00 ,  C08F214/18

摘要： A fluorine-containing graft copolymer is made from a backbone of an olefin polymer material to which is graft polymerized (a) at least one gaseous fluorinated monomer such as vinylidene fluoride, (b) at least one fluorinated acrylic acid or ester, (c) a mixture of (a) and (b), or (d) a mixture of (a) and/or (b) and a non-fluorinated monomer such as methyl methacrylate. An organic peroxide or a polymeric peroxide is used as the initiator for the graft polymerization process. The graft copolymers have improved surface properties and oxygen barrier properties, and improved thermal stability.

摘要翻译： 含氟接枝共聚物由烯烃聚合物材料的骨架制成，其中接枝聚合（a）至少一种气态氟化单体如偏二氟乙烯，（b）至少一种氟化丙烯酸或酯，（c） （a）和（b）的混合物，或（d）（a）和/或（b）的混合物和非氟化单体如甲基丙烯酸甲酯的混合物。 使用有机过氧化物或聚合过氧化物作为接枝聚合过程的引发剂。 接枝共聚物具有改善的表面性能和氧气阻隔性能，并且改善了热稳定性。

公开(公告)号：US06777484B2

公开(公告)日：2004-08-17

申请号：US09924254

申请日：2001-08-08

申请人： Suhas G. Niyogi

发明人： Suhas G. Niyogi

IPC分类号： C08L2700

CPC分类号： C08F255/02 ,  C08L51/06 ,  C08F220/00 ,  C08L2666/04

摘要： The thermal stability of graft copolymers can be improved by blending (1) a graft copolymer comprising a backbone of a propylene polymer material having graft polymerized thereto a monomer selected from the group consisting of (a) an ester of an acrylic acid substituted at the alpha carbon atom by a 1-3 alkyl group and (b) a combination of (i) an ester of an acrylic acid substituted at the alpha carbon atom by a 1-3 alkyl group and (ii) an ester of an unsubstituted acrylic acid, or an acrylic acid substituted at the alpha carbon atom by a 1-3 carbon alkyl group and (2) about 1 weight % to about 25 weight % of a fluorinated olefin polymer, wherein the ratio of the polymerized monomer to the fluorinated olefin polymer is about 25:1 to about 0.5:1.

摘要翻译： 接枝共聚物的热稳定性可以通过共混（1）包含具有接枝聚合的丙烯聚合物材料的主链的接枝共聚物来提高，所述接枝共聚物具有选自以下的单体：（a）在α 碳原子1-3个烷基，（b）（i）在α碳原子被1-3个烷基取代的丙烯酸的酯和（ii）未取代的丙烯酸的酯的组合， 或在α碳原子上被1-3个碳烷基取代的丙烯酸和（2）约1重量％至约25重量％的氟化烯烃聚合物，其中聚合单体与氟化烯烃聚合物的比例为 约25:1至约0.5:1。

公开(公告)号：US06548705B1

公开(公告)日：2003-04-15

申请号：US09596091

申请日：2000-06-16

申请人： C. Edward Bishop ,  Suhas G. Niyogi

发明人： C. Edward Bishop ,  Suhas G. Niyogi

IPC分类号： C07C21108

CPC分类号： B82Y30/00 ,  C01B33/44 ,  C08K9/04 ,  C08K2201/011 ,  C08L23/02

摘要： Disclosed is a compound comprising a saturated oligomer of isoprene bonded to a polar group, said compound having formula (I): in which R is H or a C1-C4 alkyl, n is 2-17, and R′ is a radical selected from the group consisting of X, COOR″, CN, NR2, and NR2.HX, wherein R″ is selected from the group consisting of R, NR2, and NR2.HX or a monovalent metal cation, X being I, Cl, Br or F, and each R in NR2 and NR2.HX being the same or different. In a preferred embodiment the polar group is a quaternary ammonium radical. The compound is useful as a compatibilizer of solid inorganic material, and propylene and ethylene polymer material.

摘要翻译： 公开了包含与极性基团键合的异戊二烯的饱和低聚物的化合物，所述具有式（I）的化合物：其中R是H或C 1 -C 4烷基，n是2-17，R'是选自 由X，COOR'，CN，NR2和NR2HX组成的组，其中R“选自R，NR2和NR2HX或一价金属阳离子，X为I，Cl， Br或F，NR2和NR2HX中的每个R相同或不同。 在优选的实施方案中，极性基团是季铵基团。 该化合物可用作固体无机材料的增容剂，丙烯和乙烯聚合物材料。

公开(公告)号：US06252005B1

公开(公告)日：2001-06-26

申请号：US09130976

申请日：1998-08-07

申请人： Suhas G. Niyogi

发明人： Suhas G. Niyogi

IPC分类号： C08F28900

CPC分类号： C08F255/00 ,  C08F255/02 ,  C08F255/04

摘要： The thermal oxidative stability of acrylic grafted polymers is improved by (a) graft polymerizing monomers selected from the group consisting of (i) an ester or salt of an unsubstituted or 1-3 C alkyl-substituted acrylic acid and (ii) an ester or salt of an unsubstituted or 1-3 C alkyl-substituted acrylic acid and about 1 to about 10 mole %, based on the total monomers added, of an unsubstituted or 1-3 C alkyl-substituted acrylic acid, to a backbone of a propylene polymer material in the presence of a 4-vinyl-substituted 5-12 C cyclic 1-alkene, wherein the total amount of polymerized monomer is about 20 to about 200 parts per hundred parts of the propylene polymer material and the vinyl-substituted cyclic alkene is present in an amount of about 1 mole % to about 30 mole %, based on the total moles of monomer added, and (b) removing any unreacted grafting monomer from the resulting grafted propylene polymer material, decomposing any unreacted initiator, and deactivating any residual free radicals in the material, wherein steps (a) and (b) are carried out in a substantially non-oxidizing environment.

摘要翻译： 丙烯酸接枝聚合物的热氧化稳定性通过（a）接枝聚合选自以下的单体得到改善：（i）未取代或1-3 C烷基取代的丙烯酸的酯或盐，和（ii）酯或 未取代或1-3 C烷基取代的丙烯酸的盐和约1至约10摩尔％，基于加入的单体总量的未取代或1-3 C烷基取代的丙烯酸与丙烯的主链 聚合物材料在4-乙烯基取代的5-12C环状1-烯烃存在下，其中聚合单体的总量为每百份丙烯聚合物材料约为20至约200份，并且乙烯基取代的环烯烃 基于加入的单体的总摩尔数，以约1摩尔％至约30摩尔％的量存在，和（b）从所得接枝丙烯聚合物材料中除去任何未反应的接枝单体，分解任何未反应的引发剂，并使任何 剩余频率 e基团，其中步骤（a）和（b）在基本上非氧化的环境中进行。

公开(公告)号：US06500892B1

公开(公告)日：2002-12-31

申请号：US09596090

申请日：2000-06-16

申请人： C. Edward Bishop ,  Suhas G. Niyogi

发明人： C. Edward Bishop ,  Suhas G. Niyogi

IPC分类号： C08K334

CPC分类号： B82Y30/00 ,  C01B33/44 ,  C08K9/04 ,  C08K2201/011 ,  Y10S977/775 ,  Y10S977/788 ,  C08L23/02

摘要： Disclosed is clay material, the particles of which are intercalated with a compound comprising a saturated isoprene oligomer bonded to a polar group. In a preferred embodiment the polar group is a quaternary ammonium radical. Further disclosed is a nanocomposite comprising C2-C3 &agr;-olefin polymer material, and, dispersed in the matrix of the olefin polymer material, exfoliated clay material, the particles of which before exfoliation were intercalated with said compound.

摘要翻译： 公开了粘土材料，其颗粒插入与包含与极性基团结合的饱和异戊二烯低聚物的化合物。 在优选的实施方案中，极性基团是季铵基团。 进一步公开的是包含C2-C3α-烯烃聚合物材料的纳米复合材料，并且分散在烯烃聚合物材料的基体中，剥离的粘土材料在剥离之前被插入所述化合物。

公开(公告)号：US06451897B1

公开(公告)日：2002-09-17

申请号：US09596092

申请日：2000-06-16

申请人： Suhas G. Niyogi

发明人： Suhas G. Niyogi

IPC分类号： C08J1100

CPC分类号： B82Y30/00 ,  C08F255/02 ,  C08J5/005 ,  C08J2323/10 ,  C08J2351/00 ,  C08K3/346 ,  C08K9/04 ,  C08L51/00

摘要： A nanocomposite material comprises a smectite clay having exhangeable cations that has been treated with at least one organic swelling agent, uniformly dispersed in a graft copolymer having a backbone of a porous propylene polymer material, to which is graft polymerized at least one grafting monomer capable of being polymerized by free radicals, wherein the total inorganic content of the composite material is about 0.5% to about 10%, based on the total weight of the composite. The nanocomposite material is made by graft polymerizing at least one liquid monomer capable of being polymerized by free radicals onto a porous propylene polymer material in a non-oxidizing environment in the presence of a smectite clay and an organic free radical polymerization initiator, whereby the chains of polymerized monomer that are formed intercalate the clay and produce a uniform dispersion of clay particles within the particulate propylene polymer material.

摘要翻译： 纳米复合材料包括具有可透过阳离子的蒙脱石粘土，其已经用至少一种有机溶胀剂处理，均匀分散在具有多孔丙烯聚合物材料主链的接枝共聚物中，其中接枝聚合至少一种能够 由自由基聚合，其中基于复合材料的总重量，复合材料的总无机物含量为约0.5％至约10％。 纳米复合材料通过在蒙脱石粘土和有机自由基聚合引发剂的存在下在非氧化环境中将至少一种能够通过自由基聚合的液体单体接枝聚合到多孔丙烯聚合物材料上而制成，由此链 的聚合单体，其形成插入粘土并在颗粒状丙烯聚合物材料内产生粘土颗粒的均匀分散体。

公开(公告)号：US06337373B1

公开(公告)日：2002-01-08

申请号：US09364444

申请日：1999-07-30

申请人： Leonardo Formaro ,  Suhas G. Niyogi ,  Anthony J. DeNicola, Jr.

发明人： Leonardo Formaro ,  Suhas G. Niyogi ,  Anthony J. DeNicola, Jr.

IPC分类号： C08F25500

CPC分类号： C08J9/405 ,  C08F255/00 ,  C08F214/18

摘要： A fluorine-containing graft copolymer is made from a backbone of an olefin polymer material to which is graft polymerized (a) at least one gaseous fluorinated monomer such as vinylidene fluoride, (b) at least one fluorinated acrylic acid or ester, (c) a mixture of (a) and (b), or (d) a mixture of (a) and/or (b) and a non-fluorinated monomer such as methyl methacrylate. An organic peroxide or a polymeric peroxide is used as the initiator for the graft polymerization process. The graft copolymers have improved surface properties and oxygen barrier properties, and improved thermal stability.