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    • 73. 发明授权
    • Water-dispersed coating composition comprising an acrylic graft polymer
containing carboxyl groups, hydroxyl and/or amide groups
    • 包含含有羧基,羟基和/或酰胺基团的丙烯酸接枝聚合物的水分散涂料组合物
    • US4329266A
    • 1982-05-11
    • US186557
    • 1980-09-12
    • Yukio SuzukiNaozumi IwasawaTadashi Watanabe
    • Yukio SuzukiNaozumi IwasawaTadashi Watanabe
    • C08F290/12C09D151/00C08L61/28
    • C08F290/126C09D151/003
    • A water-dispersed coating composition comprising (1) a dispersion of a water-dispersible form of an acrylic graft polymer containing carboxyl groups and hydroxyl and/or amide groups in an aqueous medium containing 60 to 90% by weight of water, and (2) an amino resin. The water-dispersible form of this polymer is obtained by neutralizing at least 50% of the carboxyl groups of the polymer with a basic substance. Prior to neutralization, the polymer has an acid value of 15 to 40 and a glass transition temperature of -10.degree. C. to 70.degree. C., and is produced by polymerizing (A) an acrylic copolymer and (B) a mixture of an alpha,beta-ethylenically unsaturated carboxylic acid and another copolymerizable unsaturated monomer. The copolymer (A) and the mixture (B) is selected so that either one of them has hydroxyl and/or amide groups and the difference between the acid value of the copolymer (A) and that of the mixture (B) is from 25 to 200. The present invention also provides a water-dispersed coating composition comprising a dispersion of a water-dispersible form of a self-curable acrylic graft polymer without an amino resin.
    • 一种水分散涂料组合物,其包含(1)含水分散体形式的含羧基和羟基和/或酰胺基的丙烯酸接枝聚合物在含有60-90%重量水的水性介质中的分散体,和(2) )氨基树脂。 该聚合物的水分散形式通过用碱性物质中和聚合物的至少50%的羧基而获得。 在中和之前,聚合物的酸值为15至40,玻璃化转变温度为-10℃至70℃,并通过聚合(A)丙烯酸共聚物和(B)将 α,β-烯属不饱和羧酸和另一种可共聚的不饱和单体。 选择共聚物(A)和混合物(B),使得它们中的任一个具有羟基和/或酰胺基,并且共聚物(A)和混合物(B)的酸值之间的差异为25 本发明还提供一种水分散涂料组合物,其包含不具有氨基树脂的可分散自由基的丙烯酸接枝聚合物的分散体。
    • 74. 发明授权
    • Clay-cement mortars and to the product made with said mortars
    • 粘土水泥砂浆和用所述砂浆制成的产品
    • US4309325A
    • 1982-01-05
    • US87330
    • 1979-10-23
    • Michel LaquerbeFrancois Tatard
    • Michel LaquerbeFrancois Tatard
    • C04B28/02C08L61/20C04B7/02C04B31/30C08L61/28
    • C04B28/02
    • The invention provides a clay/cement mortar which sets without cracking to a product having good mechanical properties, the mortar containing cement, clay in an amount by weight greater than that of the cement, gauging water, and an additive chosen from urea-formaldehyde and melamine-formaldehyde resins and derivatives of ammonia such as formamide, the dry weight of additive being between 1 and 20% of the total dry weight of the clay and cement. The clay is preferably basic or rendered so by addition of silicates or sodium aluminates, and absorbed water is preferably removed therefrom before mixing with the cement by adding a flocculant or water repellent. Adjuvants which may be incorporated in the mortar include paraffin, aluminium powder, glass and the like, and acrylic, A.B.S. and the like polymer emulsions. The mortar, after being formed to desired shape, is preferably kept for several hours in an atmosphere saturated with water vapor before being dried slowly to cause setting with curing of the additive.
    • 本发明提供了一种粘土/水泥砂浆,其不破裂具有良好机械性能的产品,含有砂浆的水泥,粘土的重量比水泥的重量大,测量水和选自脲醛和甲醛的添加剂 三聚氰胺 - 甲醛树脂和氨的衍生物如甲酰胺,添加剂的干重为粘土和水泥总干重的1%至20%。 粘土优选是碱性的或通过加入硅酸盐或铝酸钠使之变得如此,并且通过添加絮凝剂或防水剂,优选将其与水泥混合之前从其中除去。 可以掺入研钵的佐剂包括石蜡,铝粉,玻璃等,丙烯酸,A.B.S。 和类似的聚合物乳液。 砂浆在形成所需形状之后,优选在用水蒸汽饱和的气氛中保持数小时,然后缓慢干燥,以使固化添加剂固化。
    • 80. 发明授权
    • Surface-treating coating composition for plastic articles
    • 用于塑料制品的表面处理涂料组合物
    • US4167537A
    • 1979-09-11
    • US869863
    • 1978-01-16
    • Susumu TaniyamaHiromitsu TakanohashiShoichi Inoue
    • Susumu TaniyamaHiromitsu TakanohashiShoichi Inoue
    • C08J7/04C09D161/28C09D183/04C09D183/08C08L61/28C08L83/06
    • C09D161/28C09D183/04C09D183/08
    • A surface-coating composition for plastic articles, which comprises as a film-forming agent (A) a mixture of the reaction of an aminoalkylalkoxy silane of the general formula ##STR1## WHEREIN R.sup.1 represents a divalent hydrocarbon group containing 1 to 4 carbon atoms, R.sup.2 and R.sup.3 represent a monovalent hydrocarbon group containing 1 to 4 carbon atoms, Z represents a hydrogen atom or an aminoalkyl group, and n is 0 or 1, with an epoxyalkylalkoxy silane of the general formula ##STR2## WHEREIN R.sup.1, R.sup.2 and R.sup.3 are as defined above, Q represents a glycidoxy group ##STR3## or an epoxycyclohexyl group, and m is 0 or 1, and (B) a mixture of an alkyl-modified methylol melamine of the general formula ##STR4## wherein R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8 and R.sup.9 represent a hydrogen atom or a monovalent hydrocarbon group with 1 to 4 carbon atoms, and an alkyd resin; the amount of component (A) being 45 to 80% by weight, and the amount of component (B) being 20 to 55% by weight, both based on the total amount of components (A) and (B). The composition may further contain (C) an acrylic acid derivative of the general formula ##STR5## wherein R.sup.10 represents a hydrogen atom or a methyl group, and R.sup.11 represents a hydrogen atom, a hydrocarbon group containing 1 to 4 carbon atoms, a hydroxyalkyl group or a glycidyl group, or its polymer of a low degree of polymerization, the amount of component (C) being 5 to 30% by weight based on the total amount of components (A), (B) and (C).
    • 包括作为成膜剂(A)的通式为“IMAGE”的氨基烷基烷氧基硅烷的反应的混合物的表面涂料组合物,其中R1表示含有1至4个碳原子的二价烃基, R2和R3表示含有1至4个碳原子的一价烃基,Z表示氢原子或氨基烷基,n为0或1,通式为R1,R2和R3的环氧烷基烷氧基硅烷为 Q表示缩水甘油氧基或环氧环己基,m为0或1,(B)通式为“IMAGE”的烷基改性羟甲基三聚氰胺的混合物,其中R4,R5,R6 ,R7,R8和R9表示氢原子或碳原子数为1〜4的一价烃基和醇酸树脂; 组分(A)的量为45至80重量%,组分(B)的量为20至55重量%,均基于组分(A)和(B)的总量。 该组合物还可以含有(C)通式“IMAGE”的丙烯酸衍生物,其中R 10表示氢原子或甲基,R 11表示氢原子,含有1至4个碳原子的烃基,羟烷基 或缩水甘油基或其低聚合度的聚合物,组分(C)的量相对于组分(A),(B)和(C)的总量为5-30重量%。