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    • 1. 发明授权
    • Modified vegetable protein adhesive binder
    • 改性植物蛋白粘合剂
    • US4352692A
    • 1982-10-05
    • US244439
    • 1981-03-16
    • Thomas L. KrinskiCarroll L. Garey
    • Thomas L. KrinskiCarroll L. Garey
    • C08H1/00C07K14/415C09D189/00C09J189/00C12P21/00D21H19/50C09D1/04C09D3/02
    • D21H19/50C09J189/00
    • A modified vegetable protein adhesive binder and process for its production is disclosed comprising; forming a slurry of a urease containing vegetable protein material having a proteinaceous solids content of 10 to 30% by weight and including in said slurry a quantity of water soluble silicate to minimize foaming during reaction of the protein material. Urea is then added which reacts with the urease to liberate ammonia from the urea and raise the pH of the slurry to above about 8. The slurry having an alkaline pH is reacted with an oxidizing agent to modify the protein, followed by heating of the modified protein at a temperature of 220-320.degree. F. The modified protein material is then cooled and dried to result in a protein adhesive binder with excellent rheological properties and good coating characteristics.
    • 公开了一种改性植物蛋白粘合剂粘合剂及其生产方法,包括: 形成含有蛋白质固体含量为10〜30重量%的含脲酶的植物蛋白材料的浆液,并在所述浆料中包含一定量的水溶性硅酸盐,以使蛋白质材料反应期间的发泡最小化。 然后加入尿素,其与尿素酶反应以从尿中释放氨,并将浆料的pH提高到约8以上。具有碱性pH的浆液与氧化剂反应以改变蛋白质,随后加热改性的 蛋白质,温度为220-320°F。然后将修饰的蛋白质材料冷却并干燥,得到具有优异流变性能和良好涂层特性的蛋白质粘合剂粘合剂。
    • 5. 发明授权
    • Method of forming a multi-layer coating on automobile bodies without a primer bake
    • 在没有底漆的汽车车身上形成多层涂层的方法
    • US07740911B2
    • 2010-06-22
    • US11543621
    • 2006-10-05
    • Isidor HazanJeffery W. JohnsonRobert R. MathesonDelson J. Trindade
    • Isidor HazanJeffery W. JohnsonRobert R. MathesonDelson J. Trindade
    • C09D3/02
    • C09D4/00B05D1/007B05D7/572B05D7/577B05D2202/00C08F265/04C08G18/6233C08G18/808C08L51/003C09D5/002C09D151/003C09D175/04C09D175/14Y10T428/31855C08L2666/02
    • This invention relates to a method for forming a multi-layer coating, comprising sequentially applying a layer of primer coating composition, a layer of base coat composition, and a layer of clear coat composition on an automotive substrate in a wet-on-wet-on-wet manner, and simultaneously curing the applied three layers together in a single baking step. The primer surfacer comprises a film forming binder, a volatile organic liquid carrier, and pigment(s); and the binder contains about (a) 40 to 95% by weight of a caprolactone-modified highly branched acrylic polymer having a hydroxyl and/or carboxyl monomer content, all or part of which has been reacted with caprolactone, of about 1 to 65% by weight and a weight average molecular weight of about 10,000 to 150,000; and (b) 5 to 60% by weight of an aminoplast resin crosslinking agent. The composition is essentially free of crosslinked nonaqueous dispersion resin particles or crosslinked microgel resin particles or both. The resulting cured multi-layered coating has excellent aesthetic appearance, strike-in resistance, chipping resistance, sag resistance, and film build even when formed in a three wet layered application method.
    • 本发明涉及一种形成多层涂层的方法,包括在湿式湿式涂布机中在汽车基材上依次施加一层底漆涂料组合物,底涂层组合物层和透明涂层组合物层, 并且在单个烘烤步骤中同时将施加的三层固化在一起。 底漆二面体包括成膜粘合剂,挥发性有机液体载体和颜料; 并且粘合剂含有(a)40至95重量%的具有羟基和/或羧基单体含量的己内酯改性的高度支化的丙烯酸类聚合物,其全部或部分已与己内酯反应约1至65% 的重均分子量为约10,000至150,000; 和(b)5-60重量%的氨基塑料树脂交联剂。 该组合物基本上不含交联的非水分散体树脂颗粒或交联的微粒凝胶树脂颗粒或两者。 所得到的固化多层涂层即使在三湿分层涂布法中形成,也具有优异的美学外观,耐冲击性,耐崩裂性,抗流挂性和成膜性。