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    • 6. 发明授权
    • Powder enamels free of blocking agents
    • 粉末搪瓷无阻塞剂
    • US4413079A
    • 1983-11-01
    • US292709
    • 1981-08-13
    • Josef DisteldorfRainer GrasHorst Schnurbusch
    • Josef DisteldorfRainer GrasHorst Schnurbusch
    • C09D5/03C08G18/00C08G18/79C08G18/80C09D5/46C09D175/00C08L75/00
    • C08G18/798C08G18/8012C08G2150/20
    • A polyurethene powder enamel comprising a mixture of(a) an adduct of a uretidinedione dimer of isophorone diisocyanate and a diol having the following formula: ##STR1## n.gtoreq.1, and R'=a divalent aliphatic, cycloaliphatic, araliphatic, or aromatic hydrocarbon radical, which is the residue of the diol,wherein the ratio of NCO to OH groups in the formation of said condensation product is from 1:0.5 to 1;0.9, the mole ratio of uretidinedione to diol is from 2:1 to 6:5, the content of free isocyanate groups in said adduct is not greater than 8% by weight, and said adduct has a molecular weight between 500 and 4000 and a melting point between 70.degree. C. and 130.degree. C., and(b) a polyol having an OH-functionality of 2.2 to 3.5, an average molecular weight of 2000 to 4500, a hydroxyl number of 30 to 100 mg KOH/g, a viscosity of
    • 一种聚烯烃粉末搪瓷,其包含(a)异佛尔酮二异氰酸酯的脲三丁二酮二聚体的加合物和具有下式的二醇的混合物:其中:R =< IMAGE> / = 1,和 R'=二元脂族,脂环族,芳脂族或芳族烃基,其是二醇的残基,其中所述缩合产物形成中NCO与OH基团的比例为1:0.5至1; 0.9, 脲基二酮与二醇的摩尔比为2:1至6:5,所述加合物中游离异氰酸酯基团的含量不大于8重量%,所述加合物的分子量在500-4000之间,熔点在 70℃,130℃,(b)OH-官能度为2.2〜3.5,平均分子量为2000〜4500,羟值为30〜100mg KOH / g的多元醇, 在160℃下80,000mPa.s,熔点在65℃到120℃之间,其中(a)和(b)的比例被选择为t 所述加合物中的NCO基团与所述多元醇中的OH基团的比例为0.8:1至1.2:1,具有良好的储存稳定性并形成高质量的涂层。
    • 10. 发明授权
    • Method for coating of glass surfaces
    • 玻璃表面涂装方法
    • US4215165A
    • 1980-07-29
    • US925171
    • 1978-07-17
    • Rainer GrasHorst Schnurbusch
    • Rainer GrasHorst Schnurbusch
    • C03C17/38B65D23/08B65D11/16
    • C03C17/38Y10S215/06Y10T428/1321Y10T428/31612
    • A method for the coating and protection of a glass surface which comprises:treating the glass surface with an aqueous or an alcoholic solution of a silane in order to provide a skim coat thereon, drying the resulting silane-coated surface, coating the dried silane-coated surface with a paste comprising (1) an aliphatic or cycloaliphatic diisocyanate, a mixture thereof, or a reaction product thereof with water, wherein the mole ratio of said diisocyanate to water is 2:.ltoreq.1 and (2) a hydroxy-group containing polyester derived from a .omega.-hydroxy carboxylic acid or a lactone therefrom and a triol, wherein said acid or lactone contains at least 4 carbon atoms, and hardening the paste. Glass bottles coated by this a method are also described in this invention.
    • 一种用于涂覆和保护玻璃表面的方法,包括:用硅烷的水溶液或醇溶液处理玻璃表面,以便在其上提供脱脂涂层,干燥所得到的硅烷涂覆表面, 包括(1)脂族或脂环族二异氰酸酯,其混合物或其与水的反应产物,其中所述二异氰酸酯与水的摩尔比为2:1,和(2)羟基 - 含有衍生自ω-羟基羧酸或其内酯的聚酯的组和三醇,其中所述酸或内酯含有至少4个碳原子,并使糊状物硬化。 通过该方法涂覆的玻璃瓶也在本发明中描述。