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    • 1. 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。
    • 5. 发明授权
    • Coating a substrate with an ionomer
    • 用离聚物涂覆基材
    • US5190797A
    • 1993-03-02
    • US720042
    • 1991-06-24
    • Warren A. ThalerCruise K. JonesEvelyn N. DrakePacifico V. ManalastasEdward N. Kresge
    • Warren A. ThalerCruise K. JonesEvelyn N. DrakePacifico V. ManalastasEdward N. Kresge
    • B01J2/00B01J2/28C05G3/00
    • B01J2/28B01J2/006C05G3/0029
    • The present invention relates to a process for the encapsulation of a solid substrate with a neutralized sulfonated polymer, which comprises the steps of: (a) forming a solution of a non-conjugated, diene polymer in a solvent selected from the group consisting of aliphatic, aromatic hydrocarbons and mixtures thereof; (b) contacting the solution of the unsaturated polymer with a sulfonating agent at a sufficient temperature and for a sufficient period of time to form a solution of a sulfonated polymer containing free acid; (c) forming a solution of a base selected from the group consisting of alkali metal hydroxides and mixtures thereof in a mixtrue of an aliphatic alcohol and a hydrocarbon, the hydrocarbon being selected from the group consisting of aliphatic and aromatic hydrocarbons and mixtures thereof; (d) adding the solution of base to the solution of sulfonated polymer in an amount sufficient to neutralize the polymer and the free acid, thereby forming a coating solution; (e) contacting the solid substrate with the coating solution while removing the solvent therefrom, thereby forming an encapsulated substrate. In a preferred embodiment, the solvent removed during step (e) is recovered and distilled to separate the solvent into at least two fractions, a fraction containing substantially hydrocarbon and an alcohol containing fraction. The separated solvents are then recycled to dissolve the polymer in step (a) and to dissolve the base in step (c).
    • 本发明涉及用中和的磺化聚合物包封固体基质的方法,其包括以下步骤:(a)在选自脂肪族的溶剂中的溶剂中形成非共轭二烯聚合物的溶液 ,芳族烃及其混合物; (b)在足够的温度下将不饱和聚合物的溶液与磺化剂接触足够的时间以形成含有游离酸的磺化聚合物的溶液; (c)在脂族醇和烃的混合物中形成选自碱金属氢氧化物及其混合物的碱的溶液,所述烃选自脂族和芳族烃及其混合物; (d)将碱溶液以足以中和聚合物和游离酸的量向磺化聚合物溶液中加入,从而形成涂布溶液; (e)将固体基质与涂布溶液接触,同时从其中除去溶剂,由此形成封装的基材。 在优选的实施方案中,回收步骤(e)中除去的溶剂并蒸馏以将溶剂分离成至少两个馏分,基本上含有烃和含醇的馏分。 然后将分离的溶剂再循环以在步骤(a)中溶解聚合物并在步骤(c)中溶解碱。