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    • 8. 发明申请
    • EXPANDABLE ELASTOMERIC MATERIAL IN THE PRESENCE OF WATER OR OIL
    • 在水或油中存在的可膨胀弹性体材料
    • WO2011133214A1
    • 2011-10-27
    • PCT/US2011/000699
    • 2011-04-20
    • RHODIA OPERATIONSADAM, HerveCADIX, ArnaudVUONG, Chi-Thanh
    • ADAM, HerveCADIX, ArnaudVUONG, Chi-Thanh
    • C09K8/28
    • C08F2/32C08F220/56C08G18/69C08L23/06C08L83/04C08L33/26
    • A process for the preparation of an elastomer capable of swelling in oil and/or in water and brine comprising the steps of : a) making an aqueous inverse emulsion of particles of a polymer comprising a betaine group prepared by inverse emulsion polymerization of monomers A b comprising a betaine group, optionally other monomers B a and a small quantity of polyvalent, preferably divalent or trivalent monomers C a , comprised in an aqueous phase dispersed in the form of droplets in a hydrophobic external phase having hydrophobic surfactants, the molar ratio of the monomers Ab to the optional monomers B a being between 4/96 and 40/60, preferably 7/93 and 30/70, the molar ratio of the polyvalent, preferably divalent or trivalent monomers C a per mole of polymer being between 1.5 and 10, preferably between 2 and 4, and b) compounding said elastomer with the aqueous inverse emulsion obtained by step a).
    • 一种制备能够在油和/或水和盐水中溶胀的弹性体的方法,包括以下步骤:a)制备含有通过反相乳液聚合制备的甜菜碱基团的聚合物颗粒的水性反相乳液,所述单体包含 甜菜碱基团,任选的其它单体Ba和少量多价,优选二价或三价单体Ca,其包含在疏水性外相中以水滴形式分散在具有疏水性表面活性剂的水相中,单体Ab与 任选的单体Ba在4/96和40/60之间,优选7/93和30/70,每摩尔聚合物的多价,优选二价或三价单体Ca的摩尔比在1.5至10之间,优选在2和 4,和b)将所述弹性体与通过步骤a)获得的水性反相乳液混合。
    • 10. 发明申请
    • METHODS AND SYSTEMS FOR IMPROVING OPEN TIME AND DRYING TIME OF LATEX BINDERS AND AQUEOUS COATINGS
    • 改善LATEX粘合剂和水性涂料的开放时间和干燥时间的方法和系统
    • WO2011071510A1
    • 2011-06-16
    • PCT/US2010/001085
    • 2010-04-13
    • RHODIA OPERATIONSZONG, ZhengangLI, Yi-ZhongRUIZ, JoseADAM, Herve
    • ZONG, ZhengangLI, Yi-ZhongRUIZ, JoseADAM, Herve
    • C09F9/00C07C43/20
    • C08K5/0008C08K5/06C09D5/024C09D7/63C08L21/02
    • Disclosed are low Tg latex polymers and low VOC aqueous coating compositions having an improved open time profile as well as drying time, stain resistance, wet edge time, low temperature film formation, block resistance, adhesion, water sensitivity and low-VOC content. The latex polymers and aqueous coating compositions include at least one latex polymer derived from at least one monomer copolymerized or blended with an alkoxylated compound, such as an alkoxylated tristyrylphenol or an alkoxylated tributylphenol. Also provided is an aqueous coating or adhesive composition including at least one latex polymer, water and one or a blend of two or more open time additives or drying time additives. The blend can comprise nonionic and anionic open time additives. Typically, the open time and/or drying time additive is present in an amount greater than about 1.3% by weight of the polymer or composition.
    • 公开了低Tg胶乳聚合物和低VOC水性涂料组合物,其具有改进的开放时间曲线以及干燥时间,耐污染性,湿边缘时间,低温成膜,阻块性,粘附性,水敏感性和低VOC含量。 胶乳聚合物和水性涂料组合物包括至少一种衍生自与烷氧基化化合物共聚或共混的至少一种单体的胶乳聚合物,例如烷氧基化三苯乙烯基苯酚或烷氧基化三丁基苯酚。 还提供了包含至少一种胶乳聚合物,水和两种或更多种开放时间添加剂或干燥时间添加剂的一种或共混物的水性涂料或粘合剂组合物。 共混物可以包含非离子和阴离子开放时间添加剂。 通常,开放时间和/或干燥时间添加剂以高于聚合物或组合物的约1.3重量%的量存在。