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    Salt-sensitive binders for nonwoven webs and method of making same
    43.
    发明申请
    Salt-sensitive binders for nonwoven webs and method of making same 失效
    用于非织造纤维网的盐敏感粘合剂及其制造方法

    公开(公告)号：US20070173594A1

    公开(公告)日：2007-07-26

    申请号：US11339216

    申请日：2006-01-25

    Applicant: Rajeev Farwaha ,  Steven Pauls ,  Pavneet Mumick ,  James Walker

    Inventor： Rajeev Farwaha ,  Steven Pauls ,  Pavneet Mumick ,  James Walker

    IPC: C08L33/00

    CPC classification number: C08F220/18 ,  C08F2/10 ,  C08F2/22 ,  C08F220/06 ,  C08F220/54 ,  C08F2220/1875 ,  C08F2220/1825 ,  C08F220/14

    Abstract: A solution with a salt-sensitive polymer binder for use in fibrous webs, where the binder contains a copolymer of carboxylic acid monomer units and ethylenically unsaturated monomer units. The binder solution is prepared by emulsion-polymerizing a copolymer and then neutralizing the copolymer with base to make it water soluble. The binders provide a higher wet strength in concentrated salt solutions than in deionized water, and are particularly suitable for strengthening nonwoven fibrous webs in disposable articles such as wet-wipes, personal care products, diapers, and the like.

    Abstract translation: 具有用于纤维网的盐敏聚合物粘合剂的溶液，其中粘合剂含有羧酸单体单元和烯属不饱和单体单元的共聚物。 通过将共聚物乳液聚合，然后用碱中和共聚物使其成为水溶性，制备粘合剂溶液。 粘合剂在浓缩盐溶液中比在去离子水中提供更高的湿强度，并且特别适合于加强一次性制品如湿巾，个人护理产品，尿布等中的非织造纤维网。

    Method for predicting adhesive interactions using molecular modeling
    44.
    发明授权
    Method for predicting adhesive interactions using molecular modeling 失效

    公开(公告)号：US07062421B2

    公开(公告)日：2006-06-13

    申请号：US10174217

    申请日：2002-06-17

    Applicant: Solomon Jacobson ,  Rajeev Farwaha ,  Sharon P. Lee

    Inventor： Solomon Jacobson ,  Rajeev Farwaha ,  Sharon P. Lee

    IPC: G06G7/58

    CPC classification number: G06F19/702 ,  G06F19/701 ,  G06F19/704

    Abstract: This invention relates to a process for using computerized molecular interaction modeling to predict the adhesive interactions between a substrate and a polymer. The molecular modeling method may be used to predict and select optimal adhesion promoting monomers for use in latex polymer coatings, providing the best wet adhesion to alkyd-coated substrates. The molecular modeling method could also predict substrate polymer pairs having the least affinity, and thus the most useful as a release liner. The method involves the steps of: a) identifying interacting chemical segments on both the surface and the polymer; b) generating models of the interacting segments, said models describing the spatial relationship of each atom in the segment and the connectivity between the atoms; c) merging the models of each surface segment with each polymer segment to describe each possible interacting surface/polymer pair; d) generating several hundred random configurations for each surface/polymer pair merged models, by choosing random values for the six spatial variables, that describe the relative orientations of two objects; e) optimizing the atomic coordinates of each surface/polymer segment interaction model by calculating the minimum of the molecular potential energy; f) computing the pair interaction energy for each merged model pair; g) averaging the pair interaction energies; and h) comparing the average pair interaction energies of each surface/polymer pair to choose the best pair for the intended application.

    Thixotropic paint compositions containing hydrophobic starch derivatives
    47.
    发明授权
    Thixotropic paint compositions containing hydrophobic starch derivatives 有权
    含有疏水性淀粉衍生物的触变性涂料组合物

    公开(公告)号：US6001927A

    公开(公告)日：1999-12-14

    申请号：US154053

    申请日：1998-09-16

    Applicant: Robert L. Billmers ,  Rajeev Farwaha ,  Godric S. Yearwood ,  Lien Phan

    Inventor： Robert L. Billmers ,  Rajeev Farwaha ,  Godric S. Yearwood ,  Lien Phan

    IPC: C08B31/04 ,  C08F2/24 ,  C08K5/07 ,  C08L3/00

    CPC classification number: C08F2/24 ,  C08B31/04

    Abstract: Latex paint compositions containing water, pigment and a latex wherein the latex is prepared by emulsion polymerization of at least one ethylenically unsaturated monomer in the presence of 0.1 to 0.2 pphm of at least one hydrophobically modified starch having the structure ##STR1## In the above structure, St is a starch base material, R.sup.1 is a dimethylene or trimethylene group, R.sup.2 is selected from the group consisting of alkyl, alkenyl, aralkyl and aralkenyl groups having 2 to 20 carbon atoms, and Y is selected from the group consisting of hydrogen, alkali metal, alkaline earth metal and ammonium. The hydrophobically modified starch is the reaction product of starch and an anhydride moiety and provides the latex paint with improved rheological properties and allows for easier spreading and less dripping of paint.

    Abstract translation: 含有水，颜料和胶乳的乳胶漆组合物，其中胶乳通过在0.1至0.2pphm的至少一种具有以下结构的疏水改性淀粉的存在下，通过至少一种烯属不饱和单体的乳液聚合制备。在上述结构中，St为 淀粉基材，R1是二亚甲基或三亚甲基，R 2选自具有2〜20个碳原子的烷基，烯基，芳烷基和芳烯基，Y选自氢，碱金属， 碱土金属和铵。 疏水改性的淀粉是淀粉和酸酐部分的反应产物，并且提供具有改进的流变性质的乳胶漆，并且允许更容易的铺展和较少的涂料滴落。

    Latex binders for coatings incorporating a polymerizable surfactant having a terminal allyl amine moiety
    48.
    发明授权
    Latex binders for coatings incorporating a polymerizable surfactant having a terminal allyl amine moiety 失效
    用于包含具有末端烯丙基胺部分的可聚合表面活性剂的涂料的胶乳粘合剂

    公开(公告)号：US5969032A

    公开(公告)日：1999-10-19

    申请号：US36825

    申请日：1998-03-09

    Applicant: Lien Phan ,  Rajeev Farwaha

    Inventor： Lien Phan ,  Rajeev Farwaha

    IPC: C08F2/22 ,  C08F2/26 ,  C08F2/28 ,  C08F226/02 ,  C08L9/10

    CPC classification number: C08F226/02 ,  C08F2/26

    Abstract: The invention relates to an emulsion polymerization process for preparing a latex binder for use in paint. The process involves reacting a water-soluble or water-dispersible polymerizable surfactant having a terminal allyl amine moiety with at least one ethylenically unsaturated monomer and ionic monomer at a pH from about 2 to about 7. Significantly lower levels of the polymerizable surfactants are required to control the latex particle size and to stabilize the latex particles at high solids content as compared to the amount of conventional anionic surfactants used to stabilize a latex.

    Abstract translation: 本发明涉及一种用于制备用于涂料的胶乳粘合剂的乳液聚合方法。 该方法包括将具有末端烯丙基胺部分的水溶性或水分散性可聚合表面活性剂与至少一种烯属不饱和单体和离子单体在约2-约7的pH下反应。显着降低可聚合表面活性剂的含量， 与用于稳定胶乳的常规阴离子表面活性剂的量相比，控制胶乳颗粒尺寸并使胶乳颗粒稳定在高固含量。

    Pressure sensitive adhesive compositions
    49.
    发明授权
    Pressure sensitive adhesive compositions 失效
    压敏粘合剂组合物

    公开(公告)号：US5928783A

    公开(公告)日：1999-07-27

    申请号：US36735

    申请日：1998-03-09

    Applicant: Lien Phan ,  Rajeev Farwaha ,  Patrick J. Hayes

    Inventor： Lien Phan ,  Rajeev Farwaha ,  Patrick J. Hayes

    IPC: C08F2/28 ,  C08K5/42 ,  C09J4/00 ,  C09J133/06 ,  C09J157/12 ,  B32B7/12 ,  C08F28/02 ,  C08K5/16

    CPC classification number: C09J157/12 ,  C08K5/42 ,  C09J133/062 ,  C09J4/00 ,  C09J2201/606 ,  Y10T428/2878 ,  Y10T428/2891

    Abstract: The invention relates to a pressure sensitive adhesive prepared from an aqueous emulsion polymer. The polymer is prepared by reacting at least one ethylenically unsaturated monomer and from about 0.1 to about 5 weight percent, based on the total weight of ethylenically unsaturated monomer, of a water-soluble or water-dispersible polymerizable surfactant having a terminal allyl amine moiety. The pressure sensitive adhesives may be used in all types of tapes, labels, decals, packaging, electrical insulation, and surgical bandaging.

    Abstract translation: 本发明涉及由水乳液聚合物制备的压敏粘合剂。 聚合物通过使至少一种烯键式不饱和单体和基于烯属不饱和单体的总重量的约0.1至约5重量％的具有末端烯丙基胺部分的水溶性或水分散性可聚合表面活性剂反应来制备。 压敏粘合剂可用于所有类型的胶带，标签，贴花，包装，电绝缘和手术包扎。

    Latex binders and coatings containing polymers derived from polymerizable saccharide monomers
    50.
    发明授权
    Latex binders and coatings containing polymers derived from polymerizable saccharide monomers 失效
    乳胶粘合剂和包含衍生自可聚合糖单体的聚合物的涂层

    公开(公告)号：US5719244A

    公开(公告)日：1998-02-17

    申请号：US747856

    申请日：1996-11-13

    Applicant: Rajeev Farwaha ,  William D. Currie ,  Robert W. Humphreys ,  John S. Thomaides

    Inventor： Rajeev Farwaha ,  William D. Currie ,  Robert W. Humphreys ,  John S. Thomaides

    IPC: C08F251/00 ,  C09D151/08 ,  C08F283/00

    CPC classification number: C08F251/00 ,  C09D151/08

    Abstract: Latex binders are disclosed which are used to prepare freeze-thaw-stable latex coating compositions which may be free of volatile freeze-thaw/open-time additives. The latex binders are prepared by combining a polymer which is the polymerization product of a polymerizable saccharide monomer, an acrylic monomer and, optionally, a monomer selected from styrenic monomers, ionic monomer and wet adhesion monomers. The latex coating compositions are freeze-thaw stable, even in the total absence of a volatile freeze-thaw additive, and exhibit improved open-time when compared to a latex coating composition which does not contain a volatile freeze-thaw additive. Methods for preparing the freeze-thaw-stable latex coating compositions are also disclosed.

    Abstract translation: 公开了乳胶粘合剂，其用于制备可以不含挥发性冻融/开放时间添加剂的冻融稳定的胶乳涂料组合物。 胶乳粘合剂是通过将作为可聚合糖单体，丙烯酸单体和任选的选自苯乙烯单体，离子单体和湿粘合单体的单体的聚合产物的聚合物组合而制备的。 即使在完全不存在挥发性冻融添加剂的情况下，胶乳涂料组合物是冻融稳定的，并且与不含挥发性冻融添加剂的胶乳涂料组合物相比，其表现出改善的开放时间。 还公开了制备冻融稳定乳胶涂料组合物的方法。

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