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    • 11. 发明授权
    • Method for controlling viscosity of organic liquids and compositions
thereof
    • 用于控制有机液体粘度的方法及其组合物
    • US4737534A
    • 1988-04-12
    • US720722
    • 1985-04-08
    • Robert D. LundbergRobert R. PhillipsDennis G. PeifferIlan Duvdevani
    • Robert D. LundbergRobert R. PhillipsDennis G. PeifferIlan Duvdevani
    • C08J3/24C08L23/32C08L57/06C08K5/05C08K5/01C08L39/08C10M111/04
    • C08L23/32C08J3/246C08L57/06
    • The instant invention relates to a process for controlling the viscosity of organic liquids by incorporating in said liquid a minor amount of polymer complex, and optionally a cosolvent for the ionic groups of said polymer. The polymer complex comprises the reaction product of a metal neutralized sulfonated polymer and a basic nitrogen-containing polymer, wherein the polymer complex is substantially soluble in said organic liquid, and pendant sulfonate groups which are substantially insoluble in said organic liquid. The optional cosolvent is selected which will solubilize the pendant sulfonate groups and provide a reasonably homogeneous mixture of solvent, cosolvent and polymer complex. The preferred compositions prepared by the method of the instant invention comprise an organic liquid having a solubility parameter of from 6 to 10.5 in combination with a polymer complex containing from 0.2 up to 10.0 mole % sulfonate groups and nitrogen-containing groups, and optionally a nonvolatile alcohol or amine cosolvent.
    • 本发明涉及通过在所述液体中加入少量聚合物络合物和任选的所述聚合物的离子基团的共溶剂来控制有机液体的粘度的方法。 聚合物复合物包括金属中和的磺化聚合物和碱性含氮聚合物的反应产物,其中聚合物络合物基本上可溶于所述有机液体,以及基本上不溶于所述有机液体的侧链磺酸酯基团。 选择可选的共溶剂,其将溶解磺酸侧基,并提供溶剂,共溶剂和聚合物络合物的合理均匀的混合物。 通过本发明的方法制备的优选组合物包含溶解度参数为6至10.5的有机液体与含有0.2至10.0摩尔%磺酸盐基团和含氮基团的聚合物配合物以及任选的非挥发性的 醇或胺助溶剂。
    • 15. 发明授权
    • Blend compositions of sulfo EPDM's having improved compression set
properties
    • 具有改进的压缩永久变形特性的磺基EPDM的共混组合物
    • US4543385A
    • 1985-09-24
    • US566348
    • 1983-12-28
    • Pawan K. AgarwalIlan DuvdevaniRobert D. Lundberg
    • Pawan K. AgarwalIlan DuvdevaniRobert D. Lundberg
    • C08L23/32C08L23/26
    • C08L23/32
    • This invention relates to extrusion and injection moldable type elastomeric compositions having improved compression set properties and having a viscosity at 200.degree. C. at 0.73 sec.sup.-1 of about 8.times.10.sup.3 to about 8.times.10.sup.5 poises. The compositions used for elastomeric articles include a major portion of neutralized sulfonated EPDM terpolymer and a minor portion of an unsulfonated EPDM terpolymer or EP copolymer and optionally less than about 150 parts by weight of a non-polar process oil per 100 parts of the sulfonated polymer; less than about 300 parts by weight of a filler per 100 parts of the sulfonated polymer; and a preferential plasticizer at about 1 to about 60 parts by weight per 100 parts of the sulfonated elastomeric polymer.These blend compositions can be readily processed due to their superior rheological properties on conventional plastic fabrication equipment into elastomeric articles having improved compression set properties characteristics.
    • 本发明涉及具有改进的压缩变定特性并且在200℃,0.73秒-1下的约8×10 3至约8×10 5泊的粘度的挤出和注射成型型弹性体组合物。 用于弹性体制品的组合物包括主要部分中和的磺化EPDM三元共聚物和少部分未磺化的EPDM三元共聚物或EP共聚物,以及任选地每100份磺化聚合物小于约150重量份的非极性加工油 ; 每100份磺化聚合物小于约300重量份的填料; 和每100份磺化弹性体聚合物约1至约60重量份的优选增塑剂。 这些共混组合物由于其在常规塑料制造设备上具有优异的流变性能而容易加工成具有改进的压缩永久变形特性特性的弹性体制品。
    • 20. 发明授权
    • Controlled release vegetation enhancement agents coated with sulfonated
polymers, method of production and prcesses of use
    • 涂覆有磺化聚合物的控制释放植被增强剂,生产方法和使用方法
    • US5435821A
    • 1995-07-25
    • US634363
    • 1990-12-31
    • Ilan DuvdevaniEvelyn N. DrakeWarren A. ThalerPacifico V. Manalastas
    • Ilan DuvdevaniEvelyn N. DrakeWarren A. ThalerPacifico V. Manalastas
    • C05G3/00C05C9/00B32B5/16B32B27/06
    • C05G3/0029Y02P60/212Y10S71/902Y10T428/263
    • A vegetation enhancement composite including a vegetation enhancement agent consisting of a first member selected from the group consisting of at least one macronutrient, micronutrient, nitrogen fertilizer including an inhibitor of nitrification activity, slow release fertilizer, and mixtures of such members and a pesticide; and at least one first controlled release film including a sulfonated polymer coating at least a portion of a surface of the vegetation enhancement agent. A method of producing controlled release fertilizers involving providing a vegetation enhancement agent consisting of a first member selected from the group consisting of at least one macronutrient, micronutrient, nitrogen fertilizer including an inhibitor of urease, nitrogen fertilizer including an inhibitor of nitrification activity, slow release fertilizer, and mixtures of such members and a pesticide; and coating at least one surface of the vegetation enhancement agent with a sulfonated polymer dissolved in a solvent system including an organic liquid to form a controlled release coating on the vegetation enhancement agent. An agricultural process involving the application of a vegetable enhancement agent coated with a sulfonated polymer to plant growth medium to stimulate germination and enhance growth of vegetable matter.
    • 一种植被增强复合材料,其包括由选自至少一种大量营养素,微量营养素,包括硝化活性抑制剂的氮肥,缓释肥料以及这些成分和农药的混合物的第一成员组成的植物增强剂; 以及包含磺化聚合物的至少一个第一控释膜,其涂覆植物增强剂的表面的至少一部分。 一种生产控释肥料的方法,其包括提供植物增强剂,其由选自至少一种大量营养素,微量营养素,氮肥,包括脲酶抑制剂的氮肥,包括硝化活性抑制剂的氮肥,缓释 肥料,以及这些成员和农药的混合物; 并用溶解在包括有机液体的溶剂系统中的磺化聚合物涂覆植被增强剂的至少一个表面以在植被增强剂上形成控释层。 涉及将涂覆有磺化聚合物的植物增强剂施用于植物生长培养基以刺激发芽并增强植物物质生长的农业方法。