Additives for polymer compositions
    4.
    发明授权
    Additives for polymer compositions 失效
    聚合物组合物用添加剂

    公开(公告)号:US5643501A

    公开(公告)日:1997-07-01

    申请号:US194742

    申请日:1994-02-09

    摘要: An additive system for a polyvinyl chloride formulation for improved processability while maintaining thermal stability of the formulation, and having a low-water-blush haze and low extractability in an aqueous media, the additive system including a primary stabilizer which is a Lewis acid metal compound selected from the group consisting of organo-tin compounds and organo-zinc compounds, a secondary stabilizer selected from the group consisting of epoxide compounds having less than approximately 5.2 oxirane groups per molecule; and, an external lubricant for lubrication of the PVC formulation, wherein a critical ratio of the primary stabilizer to the secondary stabilizer maximizes thermolytic color stability while limiting generation of excessive build-up, plate-out, dark particles during the processing of the polyvinyl chloride formulation. And wherein the invention provides concentration levels of the stabilizers and an oxirane per molecule content of the secondary stabilizer which minimizes the extractbiles in aqueous media.

    摘要翻译: 一种用于改进加工性同时保持制剂的热稳定性并且在水性介质中具有低水腮红雾度和低提取性的聚氯乙烯配方的添加剂体系,该添加剂体系包括作为路易斯酸金属化合物的主要稳定剂 选自有机锡化合物和有机锌化合物,选自由每分子具有小于约5.2个环氧乙烷基团的环氧化合物组成的组的二级稳定剂; 以及用于PVC制剂的润滑的外部润滑剂,其中初级稳定剂与二级稳定剂的临界比率最大化了热溶色稳定性,同时限制了在聚氯乙烯加工过程中产生过多的积聚, 公式。 并且其中本发明提供稳定剂的浓度水平和每分子含量的环氧乙烷含量的二次稳定剂,其使水性介质中的提取物最小化。

    Sulphur-based stabilizers for 3-isothiazolones
    5.
    发明授权
    Sulphur-based stabilizers for 3-isothiazolones 失效
    用于3-异噻唑啉酮的硫基稳定剂

    公开(公告)号:US5210094A

    公开(公告)日:1993-05-11

    申请号:US674832

    申请日:1991-03-25

    申请人: Paul F. D. Reeve

    发明人: Paul F. D. Reeve

    摘要: A method of protecting 3-isothiazolones of the formula: ##STR1## wherein Y is (C.sub.1 -C.sub.18)alkyl or (C.sub.3 -C.sub.12)cycloalkyl each optionally substituted with one or more of hydroxy, halo, cyano, alkylamino, dialkylamine, arylamino, carboxy, carbalkoxy, alkoxy, aryloxy, alkylthio, arylthio, haloalkoxy, cycloaklylamino, carbamoxy, or isothiazolonyl; an unsubstituted or halo-substituted (C.sub.2 -C.sub.8) alkenyl or alkynyl; a (C.sub.7 -C.sub.10)aralkyl optionally substituted with one or more of halogen, (C.sub.1 -C.sub.4)alkyl or (C.sub.1 -C.sub.4)alkoxy; and an aryl optionally substituted with one or more of halogen, nitro, (C.sub.1 -C.sub.4)alkyl, (C.sub.1 -C.sub.4)alkyl-acylamino, carb(C.sub.1 -C.sub.4)alkoxy or sulfamyl; and R and R.sup.1 is each independently H, halogen (C.sub.1 -C.sub.4) alkyl, (C.sub.4 -C.sub.8) cycloalkyl or joined together to form a phenyl; comprising incorporating therewith an effective amount of a sulphur-containing compound, or salt thereof, capable of reversibly forming an adduct with said isothiazolone. Stabilized isothiazolones and adducts with the sulfur-containing compound are also disclosed.

    摘要翻译: 保护下式的3-异噻唑酮的方法:其中Y是(C 1 -C 18)烷基或(C 3 -C 12)环烷基,其各自任选被一个或多个羟基,卤素,氰基,烷基氨基,二烷基胺,芳基氨基, 羧基,烷氧基,烷氧基,芳氧基,烷硫基,芳硫基,卤代烷氧基,环烷基氨基,氨基甲酰氧基或异噻唑酮; 未取代或卤素取代的(C 2 -C 8)烯基或炔基; 任选被一个或多个卤素,(C 1 -C 4)烷基或(C 1 -C 4)烷氧基取代的(C 7 -C 10)芳烷基; 和(C 1 -C 4)烷基 - 酰氨基,碳(C 1 -C 4)烷氧基或氨磺酰基中的一个或多个卤素,硝基,(C 1 -C 4)烷基, 并且R和R 1各自独立地为H,卤素(C 1 -C 4)烷基,(C 4 -C 8)环烷基或连接在一起形成苯基; 包括与其结合有效量的能够与所述异噻唑酮可逆地形成加合物的含硫化合物或其盐。 还公开了稳定的异噻唑酮和与含硫化合物的加合物。