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    • 3. 发明授权
    • Rubber composition comprising a thermosetting resin and a functional
rubber-like copolymer
    • 包含热固性树脂和功能橡胶状共聚物的橡胶组合物
    • US4599382A
    • 1986-07-08
    • US714032
    • 1985-03-20
    • Hozumi SatoShin-ichiro IwanagaHiroji EnyoYasuhiko TakemuraYoshiaki Kawamura
    • Hozumi SatoShin-ichiro IwanagaHiroji EnyoYasuhiko TakemuraYoshiaki Kawamura
    • C08F236/04C08L19/00C08L33/06C08L61/00C08L61/10
    • C08L19/006C08F236/04C08L33/062C08L61/00C08L61/06C08L61/24C08L61/28
    • A rubber composition consisting essentially of 5-99 parts by weight of a thermosetting resin and 94-1 parts by weight of one of the following functional rubber-like copolymers (I) to (III) having a Mooney viscosity ML.sub.1+4.sup.100 of 20-120:(I) a functional rubber-like copolymer consisting of 1-20% by weight of a monomer having epoxy groups, hydroxyl groups or amino groups, 15-50% by weight of acrylonitrile and 40-80% by weight of butadiene and/or isoprene as monomer units constituting the polymer,(II) a functional rubber-like copolymer consisting of 1-20% by weight of a monomer having epoxy groups, hydroxyl groups or amino groups, 40-99% by weight of an alkyl (meth)acrylate and/or an alkoxyalkyl (meth)acrylate and 0-30% by weight of monomers copolymerizable therewith other than butadiene and isoprene, as the monomer units constituting the polymer, and(III) a functional rubber-like copolymer consisting of 1-20% by weight of a monomer having epoxy groups, hydroxyl groups or amino groups, 15-50% by weight of acrylonitrile, 20-60% by weight of butadiene and/or isoprene and 5-65% by weight of an alkyl (meth)acrylate and/or an alkoxy (meth)acrylate as the monomer units constituting the polymer.Said functional rubber copolymer may include 10% by weight or less of a polyfunctional monomer as a monomer unit constituting the polymer. In this case, the ratio of the thermosetting resin to the functional rubber-like copolymer is 50-99 parts by weight of the former to 1-50 parts by weight of the latter.
    • 基本上由5-99重量份的热固性树脂和94-1重量份具有门尼粘度ML1 + 4100为20〜20的功能性橡胶状共聚物(I)〜(III)之一组成的橡胶组合物, 120:(I)由1-20重量%的具有环氧基,羟基或氨基的单体,15-50重量%的丙烯腈和40-80重量%的丁二烯组成的功能性橡胶状共聚物,以及 /或异戊二烯作为构成聚合物的单体单元,(II)由1-20重量%的具有环氧基,羟基或氨基的单体组成的官能橡胶状共聚物,40-99重量%的烷基( (甲基)丙烯酸酯和/或(甲基)丙烯酸烷氧基烷基酯和0-30重量%的除丁二烯和异戊二烯之外可共聚的单体作为构成聚合物的单体单元,和(III)由1 -20重量%的具有环氧基,羟基或氨基的单体,15 -50重量%的丙烯腈,20-60重量%的丁二烯和/或异戊二烯和5-65重量%的(甲基)丙烯酸烷基酯和/或烷氧基(甲基)丙烯酸酯作为构成聚合物的单体单元 。 所述功能橡胶共聚物可以包含10重量%以下的作为构成聚合物的单体单元的多官能单体。 在这种情况下,热固性树脂与官能橡胶状共聚物的比例为前者的50-99重量份,后者的1-50重量份。
    • 10. 发明授权
    • Water dispersible acrylic based graft copolymers, a method of
manufacture and aqueous paints
    • 水分散性丙烯酸基接枝共聚物,制造方法和水性涂料
    • US5856408A
    • 1999-01-05
    • US803581
    • 1997-02-20
    • Yoshiaki MatsukuraAtsuhiro SakaiHitoshi TaniguchiYoshiaki Kawamura
    • Yoshiaki MatsukuraAtsuhiro SakaiHitoshi TaniguchiYoshiaki Kawamura
    • C08F290/04C08L55/00C09D155/00C08F285/00
    • C09D155/005C08F290/046C08L55/005
    • Provided are aqueous paints with which paint films which have excellent paint film properties such as water resistance and resistance to chemical attack, and excellent finished appearance are obtained, and which have excellent painting operability and storage stability. The invention further provides water dispersible acrylic based graft copolymers, aqueous paints incorporating same and a method to make such paints, wherein an unsaturated bond-containing acrylic based copolymer (a) obtained by reacting an acrylic based copolymer (a1) of acid value 35-120 mg.KOH/gram, hydroxy group value 50-150 mg.KOH/gram, glass transition temperature -20.degree.-+50.degree. C. and number average molecular weight 4500-9000 and an unsaturated monomer mixture (a2), which has functional groups which can react with hydroxy groups, in a mol ratio of a2/a1=0.4-1.5, and a monomer composition (b) compounded in such a way that the acid value is not more than 15 and the hydroxy group value is 50-150 are reacted in the proportions by weight of a/b=10/90-60/40 to produce the claimed water dispersible acrylic based graft copolymer.
    • 本发明提供了具有耐水性,耐化学腐蚀性等优异的涂膜特性,外观优异的油漆膜的水性涂料,其涂装操作性和贮存稳定性优异。 本发明还提供了水分散性丙烯酸系接枝共聚物,含有它的水性涂料和制造这种涂料的方法,其中通过使酸值为35〜35的丙烯酸系共聚物(a1) 120mgKOH /克,羟基值50-150mg.KOH /克,玻璃化转变温度-20℃〜50℃,数均分子量4500-9000,不饱和单体混合物(a2),其具有 可以以a2 / a1 = 0.4-1.5的摩尔比与羟基反应的官能团和单体组合物(b)以使酸值不超过15并且羟基值为50的方式复合 -150以a / b = 10 / 90-60 / 40的重量比反应,以产生要求保护的水分散性丙烯酸基接枝共聚物。