Wood or wood product coated with an aqueous, air-drying coating agent
    1.
    发明授权
    Wood or wood product coated with an aqueous, air-drying coating agent 失效
    木制或木制产品,涂有水性空气干燥涂料

    公开(公告)号:US5089342A

    公开(公告)日:1992-02-18

    申请号:US653020

    申请日:1991-02-08

    摘要: An improved aqueous coating agent for providing a decorative and protective coating for wood or wood products contains as a binder polyacrylate resins having chemically incorporated therein air-drying, unsaturated fatty acid moieties and quaternary ammonium moieties, and said agent is prepared by reactingA) excess polyacrylates containing epoxide groups and having an epoxide group equivalent weight of 200 to 1,300 withB) drying fatty acids, in an addition reaction with ester formation,C) reacting at least some of the remaining epoxide groups in the A)-B) reaction product with monoamine ammonium salts which contain an N-H bond in an addition reaction, anddissolving the reaction product obtained from step C) and containing quaternary ammonium groups in water.

    摘要翻译: 用于提供用于木材或木制品的装饰性和保护性涂层的改进的水性涂料包含作为粘合剂的聚丙烯酸酯树脂,其具有化学结合在其中的空气干燥,不饱和脂肪酸部分和季铵部分,并且所述试剂通过使A)过量 含有环氧基团的聚丙烯酸酯,其环氧基团当量为200至1,300,B)在与酯形成的加成反应中干燥脂肪酸,C)使A)-B)反应产物中的至少一些剩余环氧基反应 在加成反应中含有NH键的单胺铵盐,并将从步骤C)得到的反应产物溶解并含有季铵基团。

    Process for coating heat resistant substrates with two component stoving
compositions
    3.
    发明授权
    Process for coating heat resistant substrates with two component stoving compositions 失效
    用双组分烘干组合物涂覆耐热基材的方法

    公开(公告)号:US5304400A

    公开(公告)日:1994-04-19

    申请号:US821093

    申请日:1992-01-15

    摘要: The present invention relates to a process for preparing a coated, heat resistant substrate byI) coating the substrate with a coating composition containinga) a solution or dispersion containinga1) 100 parts by weight of at least one hydroxyl-functional polyacrylate resin in dissolved or dispersed form, wherein the resin has a hydroxyl value of 15 to 200 mg KOH/G solid resin, an acid value of 5 to 250 mg KOH/G solid resin and a total content of chemically incorporated carboxylate and/or sulfonate groups of 8 to 450 milliequivalents per 100 g of solids,a2) 25 to 395 parts by weight of water anda3) 5 to 125 parts by weight of at least one organic solvent having a boiling point or boiling range at 1013 mbar of 100 to 300.degree. C. andb) at least one organic polyisocyanate in a quantity corresponding to an equivalent ratio of isocyanate groups of component b) to isocyanate-reactive groups of component a1) of 0.7:1 to 3:1, andII) curing the coating composition at a temperature of 40 toThe present invention is also directed to the coated substrates obtained by this process.

    摘要翻译: 本发明涉及一种制备涂层耐热基材的方法,其方法是用涂料组合物涂覆基材,所述涂料组合物含有:a)含有a1)100重量份的至少一种羟基官能的聚丙烯酸酯树脂溶解的溶液或分散体 或分散形式,其中所述树脂的羟值为15-200mg KOH / G固体树脂,酸值为5至250mg KOH / G固体树脂,并且化学掺入的羧酸盐和/或磺酸盐基团的总含量为8 每100g固体为450毫当量,a2)25至395重量份的水和a3)5至125重量份的至少一种沸点或沸点范围为1013毫巴的有机溶剂为100至300摄氏度 和b)至少一种有机多异氰酸酯,其量对应于组分b)的异氰酸酯基团与组分a1)的异氰酸酯反应性基团的当量比为0.7:1至3:1,和II)使涂料组合物固化 温度为40℃ 本发明还涉及通过该方法获得的涂布基材。