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    • 2. 发明申请
    • SOUND DAMPING COMPOSITIONS AND METHODS FOR APPLICATION AND USE
    • 声音阻尼组合物及其应用和使用方法
    • US20130253107A1
    • 2013-09-26
    • US13704049
    • 2010-06-21
    • Beverly Ann Gordon
    • Sridhar G. IyerJames Joseph DuisMark GordonLuke Egan
    • C09D133/08B05D3/02C09D175/04
    • C09D133/08B05D3/0254C08F20/10C08L33/00C08L33/08C08L75/04C09D7/44C09D7/45C09D7/61C09D175/04G10K11/162C08L33/02
    • Sound damping compositions and methods for their application are described herein. The compositions can include a polymer, a polyacrylate rheology modifier, and a polyurethane rheology modifier. The compositions can alternatively include a polymer derived from greater than 80% of one or more monomers selected from the group consisting of butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate, methyl acrylate and ethyl acrylate and combinations thereof and greater than 0% and less than 4% of one or more functional monomers, at least one rheology modifier, and a surfactant. Also described herein are sound damping products including the compositions described herein and structures including the sound damping products. Methods for damping sound in a structure are further described herein. The methods include applying the compositions to the surface of a structure and drying the composition.
    • 本文描述了声阻尼组合物及其应用的方法。 组合物可以包括聚合物,聚丙烯酸酯流变改性剂和聚氨酯流变改性剂。 组合物可以可选地包括衍生自大于80%的一种或多种选自丙烯酸丁酯,丙烯酸2-乙基己酯,甲基丙烯酸甲酯,丙烯酸甲酯和丙烯酸乙酯及其组合的大于或等于0% 超过4%的一种或多种官能单体,至少一种流变改性剂和表面活性剂。 本文还描述了包括本文所述组合物和包括隔音产品的结构的隔音产品。 本文进一步描述了用于阻尼结构中的声音的方法。 所述方法包括将组合物施用到结构的表面并干燥组合物。
    • 4. 发明申请
    • Method Of Making An Alkoxylated Polyethylenimine Product
    • 制备烷氧基化聚乙烯亚胺产品的方法
    • US20100216949A1
    • 2010-08-26
    • US11815613
    • 2006-02-07
    • Klaus J. FriedrichSridhar G. IyerJay Gregory Otten
    • Klaus J. FriedrichSridhar G. IyerJay Gregory Otten
    • C08G73/02
    • C08G65/2624C08G73/0213C08L79/02
    • A method of making an alkoxylated polyethyleneimine (APEI) product having reduced discoloration includes treating a composition including a component selected from the group of polyethyleneimine (PEI), alkoxylated polyethyleneimine (APEI) intermediate, and combinations thereof that is used to make the APEI product. The method of treating the composition includes adding water to the composition in an amount of from 2 to 20 parts by weight, based on the total weight of the composition. The water is stripped from the composition within a relatively low temperature range of from 158 to 203° F. until less than or equal to 0.2 parts by weight of water, based on the total weight of the composition, is present in the composition. The aqueous solutions of APEI product thus made have Gardner color values of less than 6.
    • 制备具有降低的变色性的烷氧基化聚乙烯亚胺(APEI)产物的方法包括处理包含选自聚乙烯亚胺(PEI),烷氧基化聚乙烯亚胺(APEI)中间体的组分的组合物及其用于制备APEI产物的组合。 处理组合物的方法包括以组合物的总重量计2至20重量份的量向组合物中加入水。 存在于组合物中的水在158至203°F的较低温度范围内从基料中除去,直到基于组合物的总重量计小于或等于0.2重量份的水。 由此制得的APEI产品的水溶液具有小于6的加纳尔颜色值。