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    • 1. 发明授权
    • Oxygen-curable mercapto-functional organic compound compositions
catalyzed by metal carbonyl compounds and method of forming higher
molecular weight products therefrom
    • 由金属羰基化合物催化的可氧化巯基官能的有机化合物组合物和由其形成较高分子量产物的方法
    • US4271289A
    • 1981-06-02
    • US99282
    • 1979-12-03
    • Gary R. HomanChi-long Lee
    • Gary R. HomanChi-long Lee
    • C08G75/00C08G75/02C08G75/04C08G75/14C08L81/00C08L81/04C08L83/08C09K3/10
    • C08L81/04C08G75/14C09K3/1012
    • Compositions which are stable in the absence of oxygen are formed by mixing the following substantially in the absence of oxygen(A) 100 parts by weight of at least one mercapto-functional organic compound which contains at least two mercapto groups per molecule;(B) 0 to 200 parts by weight of at least one filler; and(C) a catalytic amount of a metal carbonyl compound selected from the group consisting of Fe(CO).sub.5, Fe.sub.2 (CO).sub.9, Fe.sub.3 (CO).sub.12, dicyclopentadienyldiiron tetracarbonyl, butadieneiron tricarbonyl, cyclohexadieneiron tricarbonyl, Ni(CO).sub.4, dicyclopentadienyldinickel dicarbonyl, Mn.sub.2 (CO).sub.10, methylcyclopentadienylmanganese tricarbonyl and cyclopentadienylcobalt dicarbonyl, preferably from 0.1 to 6 parts by weight of an iron carbonyl compound per 100 parts by weight of (A).Such compositions polymerize or cure upon exposure to oxygen. When used in layers of up to 3 millimeters thick, these compositions polymerize or cure at room temperature in a reasonable amount of time to form higher molecular weight products which are useful as coatings, impregnants or elastomeric sealants.
    • 在不存在氧的情况下稳定的组合物通过以下方式形成:基本上在不存在氧的情况下混合以下物质(A)100重量份的至少一种每分子含有至少两个巯基的巯基官能化有机化合物; (B)0〜200重量份的至少一种填料; 和(C)催化量的选自Fe(CO)5,Fe 2(CO)9,Fe 3(CO)12,四羰基二环戊二烯基二羰基,三羰基二丁基铁,三羰基环己二烯,Ni(CO)4)的金属羰基化合物 ,二环戊二烯基二羰基二羰基,Mn2(CO)10,甲基环戊二烯基锰三羰基和环戊二烯基钴二羰基,每100重量份的(A)优选为0.1至6重量份的羰基铁化合物。 这样的组合物在暴露于氧气时聚合或固化。 当以高达3毫米厚的层使用时,这些组合物在合适的时间内在室温下聚合或固化,以形成可用作涂料,浸渍剂或弹性体密封剂的较高分子量产品。
    • 8. 发明授权
    • Aqueous emulsions containing hydrophilic silicone-organic copolymers
    • 含有亲水硅氧烷 - 有机共聚物的乳液
    • US4584337A
    • 1986-04-22
    • US683303
    • 1984-12-18
    • Chi-long LeeWen-Bin Shyu
    • Chi-long LeeWen-Bin Shyu
    • C08F299/00B01D53/22B01D71/28B01D71/40B01D71/70B01D71/80C08F283/12C08F290/00C08F290/06C08F299/08C08G18/61C08G18/81C08L83/00C08L83/04C08L83/10C09D5/14C09D155/00C09D183/07C08L51/08
    • C08G18/61C08F290/068C08G18/8116
    • This present invention provides aqueous emulsions which are capable of depositing coatings and membranes of hydrophilic, water-absorbing silicone-organic polymer elastomers. The elastomers are free radical polymerized copolymers of (A) from 50 to 95 parts by weight of block copolymers containing polydiorganosiloxane segments and polyalkyleneoxy segments which block copolymers contain terminal aliphatically unsaturated groups such as those derived from the reaction of isocyanatoethyl methacrylate with terminal free hydroxyl groups present on the polyalkyleneoxy segments and (B) from 5 to 50 parts by weight of at least one substantially water insoluble aliphatically unsaturated organic monomer which is compatible with (A) such as methyl methacrylate. The aqueous emulsions are useful for forming coatings and membranes of the above elastomers and also provide a vehicle for the deposition of coatings of such elastomers which are capable of controllably releasing bioactive agents such as insecticides or herbicides which are dispersed within the elastomer film deposited from the aqueous emulsion.
    • 本发明提供了能够沉积亲水性,吸水性有机硅聚合物弹性体的涂层和膜的水性乳液。 弹性体是(A)50至95重量份的含聚二有机硅氧烷链段和聚亚烷基氧基链段的嵌段共聚物的自由基聚合共聚物,所述嵌段共聚物含有末端脂族不饱和基团,例如衍生自甲基丙烯酸异氰酸根合乙酯与末端游离羟基的反应 存在于聚亚烷基氧基部分和(B)5至50重量份的与(A)如甲基丙烯酸甲酯相容的至少一种基本上不溶于水的不饱和有机单体。 水乳液可用于形成上述弹性体的涂层和膜,并且还提供用于沉积这种弹性体的涂层的载体,其能够可控地释放生物活性剂如杀虫剂或除草剂,其分散在由 水乳液。