Coating a substrate with an ionomer
    1.
    发明授权
    Coating a substrate with an ionomer 失效
    用离聚物涂覆基材

    公开(公告)号:US5190797A

    公开(公告)日:1993-03-02

    申请号:US720042

    申请日:1991-06-24

    IPC分类号: B01J2/00 B01J2/28 C05G3/00

    CPC分类号: B01J2/28 B01J2/006 C05G3/0029

    摘要: 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).

    摘要翻译: 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。

    Biodegradable barrier films of ionomer polymer
    6.
    发明授权
    Biodegradable barrier films of ionomer polymer 失效
    离聚物聚合物的可生物降解阻隔膜

    公开(公告)号:US4997470A

    公开(公告)日:1991-03-05

    申请号:US380248

    申请日:1989-07-17

    摘要: An encapsulated water soluble fertilizer which comprises a polymeric film of about 2 to about 100 micrometers coated on a surface of said fertilizer, said polymeric film comprising a sulfonated polymer having about 10 to about 200 meq of sulfonate groups per 100 grams of said sulfonated polymer, said sulfonate groups being neutralized with a polycaprolactone polymer being characterized by the formula ##STR1## wherein R.sub.1 and R.sub.2 is an alkyl, cycloalkyl or aryl group; R.sub.3, R.sub.4 and R.sub.5 are a hydrogen or alkyl, cycloalkyl, or aryl groups; m equals 1 to 20 and n equals 1 to 500.

    摘要翻译: 一种包封的水溶性肥料,其包含涂覆在所述肥料表面上的约2至约100微米的聚合物膜,所述聚合物膜包含每100克所述磺化聚合物约10至约200毫克磺酸盐基团的磺化聚合物, 所述磺酸酯基团用聚己内酯聚合物中和,其特征在于下式:其中R 1和R 2是烷基,环烷基或芳基; R3,R4和R5是氢或烷基,环烷基或芳基; m等于1到20,n等于1到500。

    Coatings with sulfonated polymers
    7.
    发明授权
    Coatings with sulfonated polymers 失效
    涂料与磺化聚合物

    公开(公告)号:US4988377A

    公开(公告)日:1991-01-29

    申请号:US387059

    申请日:1989-07-31

    IPC分类号: C05C9/00 C05G3/00

    CPC分类号: C05G3/0029 C05C9/005

    摘要: A composite comprising a substrate and an elastomeric coating adhered to at least one surface of said substrate, said elastomeric coating having a thickness of about 1 to about 100 micrometers, wherein said elastomeric coating comprises a neutralized sulfonated polymer having a sulfonate content of about 4 to about 200 meq. per 100 grams of said neutralized sulfonated polymer.

    摘要翻译: 一种复合材料,其包括粘附到所述基材的至少一个表面上的基材和弹性体涂层,所述弹性体涂层具有约1至约100微米的厚度,其中所述弹性体涂层包含中和的磺化聚合物,其磺酸盐含量为约4至 约200毫克 每100克所述中和的磺化聚合物。

    Controlled release vegetation enhancement agents coated with sulfonated
polymers, method of production and prcesses of use
    8.
    发明授权
    Controlled release vegetation enhancement agents coated with sulfonated polymers, method of production and prcesses of use 失效
    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

    公开(公告)号:US5435821A

    公开(公告)日:1995-07-25

    申请号:US634363

    申请日:1990-12-31

    摘要: 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.

    摘要翻译: 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。