Paper-polymer product
    32.
    发明授权
    Paper-polymer product 失效
    纸聚合物产品

    公开(公告)号:US4503117A

    公开(公告)日:1985-03-05

    申请号:US566987

    申请日:1983-12-30

    申请人: James G. Murray

    发明人: James G. Murray

    摘要: A paper-polymer product as a fibrous, open web structure with polymer within the fiber structure of the cellulose fibers. The polymer is formed in-situ from a liquid, non-polar vinyl monomer such as p-chlorostyrene or p-methylstyrene. The open spaces of the fibrous web structure are substantially free from polymer.

    摘要翻译: 作为在纤维素纤维的纤维结构内具有聚合物的纤维状开放网状结构的纸聚合物产品。 聚合物由液体非极性乙烯基单体如对氯苯乙烯或对甲基苯乙烯原位形成。 纤维网结构的开放空间基本上不含聚合物。

    Additive for felted cellulose fibers
    33.
    发明授权
    Additive for felted cellulose fibers 失效
    毡纤维素纤维的添加剂

    公开(公告)号:US4432834A

    公开(公告)日:1984-02-21

    申请号:US139176

    申请日:1980-04-11

    摘要: A composition is provided for addition to cellulosic fibers prior to felting them into a sheet comprising as component (a) a monomeric water soluble diallyl dimethyl ammonium halide or homopolymer thereof or mixtures thereof and as component (b) a water dispersible complex fatty amido compound, the proportion of (a) and (b) being sufficient to enhance softness of the dried sheet while increasing or not substantially reducing absorbency of water and tensile strength.

    摘要翻译: 提供了一种组合物,用于在将纤维素纤维毡化成包含作为组分(a)单体水溶性二烯丙基二甲基卤化铵或其均聚物或其混合物和作为组分(b)水分散性络合物脂肪酰胺化合物的片材之前, (a)和(b)的比例足以提高干燥片材的柔软度,同时增加或不显着降低水的吸收性和拉伸强度。

    Method of increasing polymerization reaction rates in the production of
a fiber-thermoplastic matrix by in situ bulk polymerization
    35.
    发明授权
    Method of increasing polymerization reaction rates in the production of a fiber-thermoplastic matrix by in situ bulk polymerization 失效
    通过原位本体聚合提高纤维 - 热塑性基体的生产中聚合反应速率的方法

    公开(公告)号:US4148949A

    公开(公告)日:1979-04-10

    申请号:US877160

    申请日:1978-02-13

    摘要: A method of increasing polymerization reaction rates during the production of a fiber-thermoplastic matrix by in situ bulk polymerization is described, allowing polymerization to at least 25% polymer content by weight of the matrix in less than 8 minutes. In a fibrous web of less than 0.25-inch thickness, saturated with a liquid phase polymerizable composition containing a vinyl monomer and a thermally activated free radical initiator at 1/2-10% by weight of the composition, polymerized by the application of controlled temperature and pressure conditions, reaction rates of less than 8 minutes are attained by: (a) initiating polymerization with the matrix containing a monomer concentration in excess of that which if completely polymerized is desired in the final product matrix; and (b) polymerizing the monomer contained in the matrix until the desired level of polymer is attained while, simultaneously with the polymerizing step, removing excess monomer at a controlled rate such that the reaction is sustained until the desired level of polymer in the finished matrix is attained. The resulting matrix is then treated further to remove any excess monomer and is suitable for molding by the application of pressure and heat into useful products.

    摘要翻译: 描述了在通过原位本体聚合制备纤维 - 热塑性基质期间提高聚合反应速率的方法,其允许聚合在少于8分钟内至少25%的基质重量的聚合物含量。 在小于0.25英寸厚度的纤维网中,用包含乙烯基单体和热活化的自由基引发剂的液相可聚合组合物以组合物的1 / 2-10重量%饱和,通过施加受控温度 和压力条件下,小于8分钟的反应速率通过以下方式获得:(a)用含有单体浓度的基质引发聚合,所述单体浓度超过在最终产物基质中需要完全聚合的单体浓度; 和(b)使包含在基质中的单体聚合直到获得所需水平的聚合物,同时在聚合步骤中,以受控的速率去除多余的单体,使得反应持续到成品基质中所需的聚合物水平 达到了 然后将所得的基质进一步处理以除去任何多余的单体,并且适用于通过将压力和热量施加到有用的产品中进行成型。