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公开(公告)号：US20210087425A1
公开(公告)日：2021-03-25
申请号：US17053197
申请日：2018-06-06
发明人： Joseph M. Hoefler , Fu Zhan , Caiyun Li , Jiansheng Feng , Qian Shen
IPC分类号： C09D175/04
摘要： An aqueous coating composition suitable for automotive leather finishing topcoats that has low odor and low VOC content, and also exhibits acceptable pot life.
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公开(公告)号：US10100377B2
公开(公告)日：2018-10-16
申请号：US15246583
申请日：2016-08-25
IPC分类号： C14C11/00 , C09D133/14 , C09D175/04 , C09D175/06 , C09D175/08 , C09D133/08 , C08G18/62 , C08F265/06 , C09D133/00 , C08G18/08 , C09D151/06 , C08F220/18
摘要： The present invention provides aqueous composition comprising a multi-stage acrylic emulsion polymer having a first stage polymer of from 0.5 to 4 wt. %, based on the total weight of monomers used to make the first stage polymer, of a copolymerized carboxylic acid or salt group containing monomer, and having 10 to 30 wt. %, on total solids of the multi-stage acrylic emulsion polymer, of a second stage polymer of from 3 to 15 wt. % of a copolymerized hydroxyl group containing monomer, the first stage polymer having a glass transition temperature (Tg) by dynamic mechanical analysis (DMA) of less than −10° C. and the second stage polymer having a Tg (DMA) of greater than 80° C.; and (ii) from 25 to 75 wt. %, based on the total solids weight of the multi-stage acrylic polymer, of a polyurethane.
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公开(公告)号：US09200404B2
公开(公告)日：2015-12-01
申请号：US14064296
申请日：2013-10-28
CPC分类号： D06N3/147 , C08G18/283 , C08G18/6216 , C08G18/706 , C08G18/792 , C08G2105/02 , C09D175/04 , C14C11/006 , Y10T428/31547
摘要： An aqueous leather coating composition having improved storage stability includes 1 to 40 weight percent of an emulsifiable polyisocyanate comprising the reaction product of an isocyanurate and an emulsifier, wherein the average isocyanate functionality of the emulsifiable polyisocyanate is 2 to 4.5; and 60 to 99 weight percent of an aqueous polymer dispersion having a Tg of −70 to 40° C. and selected from a (meth)acrylic polymer dispersion, a polyurethane dispersion, a (meth)acrylic polymer/polyurethane hybrid dispersion and a combination comprising one or more of the foregoing aqueous polymer dispersions, wherein all weight percents are on a dry basis, and based on the total dry amount of the emulsifiable polyisocyanate and the aqueous polymer dispersion. The aqueous polymer dispersion can be free of hydroxyl groups. Also disclosed are a method of coating leather with the composition, and a coated leather article.
摘要翻译： 具有改善的储存稳定性的水性皮革涂料组合物包括1至40重量％的可乳化聚异氰酸酯，其包含异氰脲酸酯和乳化剂的反应产物，其中可乳化多异氰酸酯的平均异氰酸酯官能度为2至4.5; 和60〜99重量％的Tg为-70〜40℃的聚合物水分散体，选自（甲基）丙烯酸系聚合物分散液，聚氨酯分散液，（甲基）丙烯酸系聚合物/聚氨酯混合分散液和组合 包括一种或多种上述水性聚合物分散体，其中所有重量百分比均为干基，并且基于可乳化多异氰酸酯和聚合物水分散体的总干燥量。 聚合物水分散体可以不含羟基。 还公开了用该组合物涂覆皮革的方法和涂覆的皮革制品。
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4.发明申请公开(公告)号：US20170058371A1
公开(公告)日：2017-03-02
申请号：US15246583
申请日：2016-08-25
IPC分类号： C14C11/00 , C09D133/08
CPC分类号： C14C11/003 , C08F220/18 , C08F265/06 , C08G18/0823 , C08G18/6254 , C09D133/00 , C09D133/08 , C09D133/14 , C09D151/06 , C09D175/04 , C14C11/006 , C08F220/14 , C08L75/04 , C08L83/04 , C08F2220/1825 , C08F2220/1858 , C08F220/06 , C08F2220/281 , C09D175/06 , C08L51/06 , C09D175/08
摘要： The present invention provides aqueous composition comprising a multi-stage acrylic emulsion polymer having a first stage polymer of from 0.5 to 4 wt. %, based on the total weight of monomers used to make the first stage polymer, of a copolymerized carboxylic acid or salt group containing monomer, and having 10 to 30 wt. %, on total solids of the multi-stage acrylic emulsion polymer, of a second stage polymer of from 3 to 15 wt. % of a copolymerized hydroxyl group containing monomer, the first stage polymer having a glass transition temperature (Tg) by dynamic mechanical analysis (DMA) of less than −10° C. and the second stage polymer having a Tg (DMA) of greater than 80° C.; and (ii) from 25 to 75 wt. %, based on the total solids weight of the multi-stage acrylic polymer, of a polyurethane.
摘要翻译： 本发明提供含水组合物，其包含多级丙烯酸乳液聚合物，其具有0.5至4wt。 基于用于制备第一阶段聚合物的单体的总重量，含有共聚羧酸或含盐单体的，并且具有10至30重量％ ％，多级丙烯酸乳液聚合物的总固体含量为3至15wt。％的第二级聚合物。 ％的共聚羟基单体，第一阶段聚合物通过动态力学分析（DMA）小于-10℃具有玻璃化转变温度（Tg），第二阶段聚合物的Tg（DMA）大于 80℃。 和（ii）25至75wt。 ％，基于多级丙烯酸类聚合物的总固体重量，聚氨酯。
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公开(公告)号：US20140162073A1
公开(公告)日：2014-06-12
申请号：US14064296
申请日：2013-10-28
IPC分类号： C09D175/04 , D06N3/14 , C14C11/00
CPC分类号： D06N3/147 , C08G18/283 , C08G18/6216 , C08G18/706 , C08G18/792 , C08G2105/02 , C09D175/04 , C14C11/006 , Y10T428/31547
摘要： An aqueous leather coating composition having improved storage stability includes 1 to 40 weight percent of an emulsifiable polyisocyanate comprising the reaction product of an isocyanurate and an emulsifier, wherein the average isocyanate functionality of the emulsifiable polyisocyanate is 2 to 4.5; and 60 to 99 weight percent of an aqueous polymer dispersion having a Tg of −70 to 40° C. and selected from a (meth)acrylic polymer dispersion, a polyurethane dispersion, a (meth)acrylic polymer/polyurethane hybrid dispersion and a combination comprising one or more of the foregoing aqueous polymer dispersions, wherein all weight percents are on a dry basis, and based on the total dry amount of the emulsifiable polyisocyanate and the aqueous polymer dispersion. The aqueous polymer dispersion can be free of hydroxyl groups. Also disclosed are a method of coating leather with the composition, and a coated leather article.
摘要翻译： 具有改进的储存稳定性的水性皮革涂料组合物包括1至40重量％的可乳化聚异氰酸酯，其包含异氰脲酸酯和乳化剂的反应产物，其中可乳化多异氰酸酯的平均异氰酸酯官能度为2至4.5; 和60〜99重量％的Tg为-70〜40℃的聚合物水分散体，选自（甲基）丙烯酸系聚合物分散液，聚氨酯分散液，（甲基）丙烯酸系聚合物/聚氨酯混合分散液和组合 包括一种或多种上述水性聚合物分散体，其中所有重量百分比均为干基，并且基于可乳化多异氰酸酯和聚合物水分散体的总干燥量。 聚合物水分散体可以不含羟基。 还公开了用该组合物涂覆皮革的方法和涂覆的皮革制品。
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