会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Method for producing free-flowing, water-soluble polymer gels
    • 用于生产自由流动的水溶性聚合物凝胶的方法
    • US5110851A
    • 1992-05-05
    • US461897
    • 1990-01-08
    • Wood E. HunterGary P. Craun
    • Wood E. HunterGary P. Craun
    • C08J3/12
    • C08J3/124C08J2300/14Y10S524/916
    • The instant invention is directed to a method for preparing free-flowing, water-soluble polymer gels comprising:(a) reducing the size of water-soluble polymer gels by a size-reduction means, so as to produce polymer gel particles which are less than 1/2 inch in their longest dimension; and(b) adding to the size-reduced polymer gels of Step (a) 0.001 to 20 percent, by weight, of an amphipathic compound, thereby reducing the adhesion of said gel particles to themselves and other substances.The instant invention is also directed to a free-flowing, water-soluble polymer gel admixture comprising:(a) size-reduced, water-soluble polymer gel particles, wherein said gel particles are less than 1/2 inch in their longest dimension; and(b) an amphipathic compound.
    • 本发明涉及一种制备自由流动的水溶性聚合物凝胶的方法,其包括:(a)通过减小尺寸的方法减小水溶性聚合物凝胶的尺寸,以便产生较少的聚合物凝胶颗粒 超过1/2英寸的最长尺寸; 和(b)向步骤(a)的尺寸减小的聚合物凝胶中加入0.001至20重量%的两亲性化合物,从而降低所述凝胶颗粒对其自身和其它物质的粘附性。 本发明还涉及一种自由流动的水溶性聚合物凝胶混合物,其包含:(a)尺寸减小的水溶性聚合物凝胶颗粒,其中所述凝胶颗粒的最长尺寸小于1/2英寸; 和(b)两亲性化合物。
    • 2. 发明授权
    • Process for the manufacture of high solids, free-flowing, granular
poly(dimethyldiallyl ammonium chloride)
    • 制备高固体,自由流动的粒状聚(二甲基二烯丙基氯化铵)的方法
    • US4654378A
    • 1987-03-31
    • US606048
    • 1984-05-02
    • Wood E. HunterGary P. Craun
    • Wood E. HunterGary P. Craun
    • C08F2/50C08F26/04
    • C08F26/04Y10S522/903
    • The instant invention is directed to a process for the manufacture of poly(dimethyldiallyl ammonium chloride) comprising:(a) casting upon a continuous belt apparatus to form a film having a thickness of 1/4 inch to 1 inch an aqueous dimethyldiallyl ammonium chloride solution having a monomer concentration of at least 65 percent, by weight, monomer, said monomer solution also containing a photoreducible dye in a concentration of 1.times.10.sup.-7 to 1.times.10.sup.-4 moles per liter, a mild reducing agent in a concentration of 1.times.10.sup.-5 to 1.times.10.sup.-2 moles per liter and thermal initiator in a concentration of 1.times.10.sup.-5 to 1.times.10.sup.-2 moles per liter;(b) passing of the solution under a series of lights which emit visible light at an intensity of 0.1 to 10,000 foot candles and controlling the temperature of the monomer solution in the range of 5.degree. C. to 65.degree. C.;(c) allowing the polymerization to proceed until a polymer gel is formed;(d) reducing the size of the polymer gel of step (c) by a size reduction means, so as to produce polymer gel particles which are less than 1 inch in their longest dimension; and(e) further polymerizing the size-reduced polymer gel particles of step (d) to obtain higher conversion, thereby producing polydimethyldiallyl ammonium chloride gel particles which are at least 70 percent, by weight, active polymer, readily soluble and free-flowing.The instant invention is further directed to free-flowing, water-soluble granules of poly(dimethyldiallyl ammonium chloride), wherein said granules contain at least 70 percent, by weight, active polymer.
    • 本发明涉及一种制备聚(二甲基二烯丙基氯化铵)的方法,包括:(a)在连续带装置上浇铸以形成1/4英寸至1英寸厚度的二甲基二烯丙基氯化铵水溶液 单体浓度为单体的至少65重量%,所述单体溶液还含有浓度为1×10 -7至1×10 -4摩尔/升的光还原性染料,浓度为1×10 -5至 1×10 -2摩尔/升和热引发剂,浓度为1×10-5至1×10-2摩尔/升; (b)将溶液通过发射强度为0.1至10,000英尺烛光的可见光的一系列灯,并将单体溶液的温度控制在5℃至65℃的范围内。 (c)使聚合进行直至形成聚合物凝胶; (d)通过尺寸减小装置减小步骤(c)的聚合物凝胶的尺寸,以便产生其最长尺寸小于1英寸的聚合物凝胶颗粒; 和(e)进一步聚合步骤(d)的尺寸减小的聚合物凝胶颗粒以获得更高的转化率,从而产生至少70重量%的活性聚合物,容易溶解和自由流动的聚二甲基二烯丙基氯化铵凝胶颗粒。 本发明进一步涉及聚(二甲基二烯丙基氯化铵)的自由流动的水溶性颗粒,其中所述颗粒含有至少70重量%的活性聚合物。
    • 5. 发明授权
    • Method for producing free-flowing water-soluble polymer gels
    • 用于生产自由流动的水溶性聚合物凝胶的方法
    • US4666964A
    • 1987-05-19
    • US722050
    • 1985-04-11
    • Wood E. HunterGary P. Craun
    • Wood E. HunterGary P. Craun
    • C08J3/12C08K5/19C08K5/16C08K5/32
    • C08J3/124C08J2300/14Y10S524/912Y10S524/916
    • The instant invention is directed to a method for preparing free-flowing, water-soluble polymer gels comprising:(a) reducing the size of water-soluble polymer gels by a size-reduction means, so as to produce polymer gel particles which are less than 1/2 inch in their longest dimension; and(b) adding to the size-reduced polymer gels of Step (a) 0.001 to 20 percent, by weight, of an amphipathic compound, thereby reducing the adhesion of said gel particles to themselves and other substances.The instant invention is also directed to a free-flowing, water-soluble polymer gel admixture comprising:(a) size-reduced, water-soluble polymer gel particles, wherein said gel particles are less than 1/2 inch in their longest dimension; and(b) an amphipathic compound.
    • 本发明涉及一种制备自由流动的水溶性聚合物凝胶的方法,其包括:(a)通过减小尺寸的方法减小水溶性聚合物凝胶的尺寸,以便产生较少的聚合物凝胶颗粒 超过1/2英寸的最长尺寸; 和(b)向步骤(a)的尺寸减小的聚合物凝胶中加入0.001至20重量%的两亲性化合物,从而降低所述凝胶颗粒对其自身和其它物质的粘附性。 本发明还涉及一种自由流动的水溶性聚合物凝胶混合物,其包含:(a)尺寸减小的水溶性聚合物凝胶颗粒,其中所述凝胶颗粒的最长尺寸小于1/2英寸; 和(b)两亲性化合物。