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1. 发明授权

US5387641A Aqueous polymer emulsions useful as wallcovering prepaste adhesives 失效
标题翻译：用作墙纸预粘合剂的水性聚合物乳液
公开(公告)号：US5387641A
公开(公告)日：1995-02-07
申请号：US66792
申请日：1993-05-25
申请人： Dominic W. K. Yeung , Richard E. Rice , Dipak Lad
发明人： Dominic W. K. Yeung , Richard E. Rice , Dipak Lad
IPC分类号： C08F2/22 , C08F8/12 , C08F218/04 , C09D131/04 , C08L29/04
CPC分类号： C09D131/04 , C08F218/04 , C08F8/12 , C08F2810/20
摘要： A stable aqueous emulsion comprising:(1) between about 20 and about 50% weight percent synthetic polymer solids, said solids comprising a copolymer or a terpolymer derived from:(a) between about 60 and about 90 mole percent of a vinyl ester, optionally including vinyl alcohol derived from said vinyl ester;(b) between about 10 and about 40 mole percent of one or more water soluble monomers; and(c) between about 0 and about 10 mole percent of an alkyl acrylate or alkyl methacrylate wherein alkyl represents an alkyl group containing between 1 and 20 carbon atoms;(2) between about 0.5 and about 5.0 weight percent of one or more surfactants or protective colloids; and(3) the balance water;wherein said aqueous emulsion has a viscosity of less than 1000 cps at 25.degree. C. and wherein said emulsion can provide adhesive properties and a process for producing the emulsion is provided. The emulsion is particularly suited for use as a wallpaper prepaste adhesive.
摘要翻译：一种稳定的水性乳液，包括：（1）约20％至约50％重量百分比的合成聚合物固体，所述固体包含共聚物或衍生自以下的三元共聚物：（a）约60-约90摩尔％的乙烯基酯，包括衍生自所述乙烯基酯的乙烯醇; （b）约10至约40摩尔％的一种或多种水溶性单体; 和（c）约0至约10摩尔％的丙烯酸烷基酯或甲基丙烯酸烷基酯，其中烷基表示含有1至20个碳原子的烷基; （2）约0.5至约5.0重量％的一种或多种表面活性剂或保护性胶体; 和（3）余量水; 其中所述水乳液在25℃下的粘度小于1000cps，并且其中所述乳液可以提供粘合性质，并且提供了制备乳液的方法。该乳液特别适合用作壁纸预胶粘剂。

2. 发明授权

US5376447A Wallcovering material containing prepaste adhesives 失效
标题翻译：含有预粘合剂的墙纸材料
公开(公告)号：US5376447A
公开(公告)日：1994-12-27
申请号：US67193
申请日：1993-05-25
申请人： Dominic W. K. Yeung , Richard E. Rice , Dipak Lad
发明人： Dominic W. K. Yeung , Richard E. Rice , Dipak Lad
IPC分类号： C09J7/04 , C09J131/02 , D06N7/00
CPC分类号： C09J131/02 , C09J7/042 , D06N7/0002 , D06N2205/02 , Y10T428/283 , Y10T428/2852
摘要： A wallcovering material comprising a substrate having a water remoistenable adhesive on at least one of its surfaces, said adhesive being derived from a stable aqueous emulsion comprising:(1) between about 20 and about 50 weight percent synthetic polymer solids, said solids comprising a copolymer or a terpolymer derived from:(a) between about 60 and about 90 mole percent of a vinyl ester, optionally including vinyl alcohol derived from said vinyl ester;(b) between about 10 and about 40 mole percent of one or more water soluble monomers; and(c) between about 0 and about 10 mole percent of an alkyl acrylate or alkyl methacrylate wherein alkyl represents an alkyl group containing between 1 and 20 carbon atoms;(2) between about 0.5 and about 5.0 weight percent of one or more surfactants or protective colloids; and(3) the balance water;wherein said aqueous emulsion has a viscosity of less than 1000 cps at 25.degree. C. and the process for producing the wallcovering is provided.
摘要翻译：一种墙纸材料，其包含在其表面的至少一个上具有可水可再粘合剂的基材，所述粘合剂衍生自稳定的水性乳液，所述稳定的水乳液包含：（1）约20至约50重量％的合成聚合物固体，所述固体包含共聚物衍生自以下的三元共聚物：（a）约60-约90摩尔％的乙烯基酯，任选地包括衍生自所述乙烯基酯的乙烯醇; （b）约10至约40摩尔％的一种或多种水溶性单体; 和（c）约0至约10摩尔％的丙烯酸烷基酯或甲基丙烯酸烷基酯，其中烷基表示含有1至20个碳原子的烷基; （2）约0.5至约5.0重量％的一种或多种表面活性剂或保护性胶体; 和（3）余量水; 其中所述水性乳液在25℃下的粘度小于1000cps，并且提供了生产墙纸的方法。

3. 发明授权

US06262212B1 Process for manufacturing homopolymers and copolymers of dimethylaminoethyl(meth)acrylate 有权
标题翻译：（甲基）丙烯酸二甲基氨基乙酯的均聚物和共聚物的制备方法
公开(公告)号：US06262212B1
公开(公告)日：2001-07-17
申请号：US09244359
申请日：1999-02-04
申请人： Dominic W. K. Yeung , Richard E. Rice
发明人： Dominic W. K. Yeung , Richard E. Rice
IPC分类号： C08F12010
CPC分类号： C08F20/34
摘要： A process of manufacturing a poly(dimethylaminoethyl(meth)acrylate) comprising polymerizing dimethylaminoethyl(meth)acrylate in water and in the presence of sufficient acid to form a solution having a pH of less than 6. The polymer is made in an aqueous medium and with a free radical initiator. The polymer is useful as a foam booster in a variety of formulations and applications.
摘要翻译：制备聚（二甲基氨基乙基（甲基）丙烯酸酯）的方法，其包括在水中和在足够的酸存在下聚合（甲基）丙烯酸二甲基氨基乙酯形成pH小于6的溶液。聚合物在水性介质中制备，与自由基引发剂。聚合物可用作多种制剂和应用中的泡沫促进剂。

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