Process for decreasing the hygroscopicity of polycarboxylates
    3.
    发明授权
    Process for decreasing the hygroscopicity of polycarboxylates 失效
    减少聚碳酸酯的混合物的方法

    公开(公告)号:US3987218A

    公开(公告)日:1976-10-19

    申请号:US478425

    申请日:1974-06-11

    IPC分类号: C08J3/00 B05D7/00

    摘要: A process for decreasing the hygroscopicity of a polycarboxylate, said process comprising preparing a melt of a composition having a melting point of about 40.degree. - 120.degree. C, said composition giving an acid or neutral pH in an aqueous solution or suspension, said composition being less hygroscopic than said polycarboxylate, said composition capable of being free flowing under equilibrium conditions at about 30.degree. C and in an air atmosphere of at least about 40% relative humidity; heating said melt in a mixer to a temperature of up to about 140.degree. C; gradually adding said polycarboxylate as a powder to said melt while mixing said melt; wherein said composition comprises at least about 3 and at most about 40% by weight of the mixture resulting after all polycarboxylate has been added to said melt.

    Iodophors and a process for their preparation
    4.
    发明授权
    Iodophors and a process for their preparation 失效
    碘和他们的准备过程

    公开(公告)号:US3984341A

    公开(公告)日:1976-10-05

    申请号:US540631

    申请日:1975-01-13

    摘要: A non-foaming iodophor having a high content of active iodine comprises the product formed by mixing while heating at about 50.degree.-120.degree.C for about 0.75-15 hours a reaction mixture of:I. about 10-30 weight percent of elementary iodine; andIi. about 90-70 weight percent of an aqueous solution consisting essentially of:A. about 7-30 weight percent of at least one polycarboxylic acid, at least one polycarboxylate or mixtures of said polycarboxylic acids and polycarboxylates, having at least 65 carboxyl or carboxylate groups per 100 monomer units in the polymer chain and an average degree of polymerization (numerical average value) between about 10 and 500;B. about 0-20 weight percent of at least one alkali metal iodide, ammonium iodide, mixtures of said iodides or at least one lower, monovalent, aliphatic alcohol;C. about 0-20 weight percent of at least one non-volatile multibasic mineral acid, at least one multibasic oxycarboxylic acid, or mixtures of said acids, wherein said acids do not substantially reduce elementary iodine; andD. water in an amount sufficient so that said aqueous solution comprises 100 weight-percent. The iodophor exhibits biocidal activity.

    摘要翻译: 具有高活性碘含量的非起泡碘伏混合物包括通过在约50-120℃下加热约0.75-15小时混合形成的产物,反应混合物为:

    Process for the precipitation of heavy metal ion-polycarboxylate
complexes
    5.
    发明授权
    Process for the precipitation of heavy metal ion-polycarboxylate complexes 失效
    沉淀重金属离子 - 多羧酸盐络合物的方法

    公开(公告)号:US3956121A

    公开(公告)日:1976-05-11

    申请号:US522799

    申请日:1974-11-11

    摘要: A process for precipitating heavy metal ion-polycarboxylate complexes from solution, said process comprising adding to a solution containing at least one of said complexes an aqueous solution of a water soluble aluminum salt, the anion of which does not form any water soluble complexes with said heavy metal ions to be precipitated or optionally such anion-heavy metal complexes having a stability constant, expressed as their decadic logarithm, of less than 2; wherein 0.9 to 1.8 moles of aluminum ions are employed per equivalent of polycarboxylate; and adjusting the pH of the resulting reaction mixture to about 6.5 to about 9.0 with an alkali metal carbonate.

    摘要翻译: 一种从溶液中沉淀重金属离子 - 多羧酸盐络合物的方法,所述方法包括向含有至少一种所述络合物的溶液中加入水溶性铝盐的水溶液,水溶性铝盐的阴离子不与所述复合物形成任何水溶性络合物 要沉淀的重金属离子或任选的具有小于2的具有稳定常数(表示为十进制对数)的阴离子 - 重金属络合物; 其中每当量的聚羧酸盐使用0.9至1.8摩尔的铝离子; 并用碱金属碳酸盐将所得反应混合物的pH调节至约6.5至约9.0。

    Process for improving the wettability of natural or synthetic zeolites
    6.
    发明授权
    Process for improving the wettability of natural or synthetic zeolites 失效
    改善天然或合成沸石湿度的方法

    公开(公告)号:US3962132A

    公开(公告)日:1976-06-08

    申请号:US519322

    申请日:1974-10-30

    摘要: Process for improving the water wettability of natural or synthetic zeolites, said process comprising thoroughly mixing at least one natural zeolite, synthetic zeolite or mixture of natural and synthetic zeolites with an aqueous solution of a treating agent selected from the group consisting of at least one polyelectrolytic polycarboxylic acid, at least one completely or partially neutralized polycarboxylate, or at least one mixture of said polycarboxylic acid and polycarboxylates; wherein said treating agent has at least about 40 basic mole percent carboxyl or carboxylate groups and a mean degree of polymerization (numerical mean) between about 3 and about 5000; said mixing conducted at about 0.degree. to about 100.degree.C for at least about 5 minutes; said aqueous solution employed in a concentration between about 2 and about 800 g polycarboxylic acid or polycarboxylate per liter and in such quantity that it comprises about 0.01 to about 10 parts by weight, related to one part by weight of zeolite, of the polycarboxylic acid or polycarboxylate.

    Process for the continuous polymerization or copolymerization of trioxane
    7.
    发明授权
    Process for the continuous polymerization or copolymerization of trioxane 失效
    三恶烷的连续聚合或共聚方法

    公开(公告)号:US4412067A

    公开(公告)日:1983-10-25

    申请号:US448472

    申请日:1982-12-10

    摘要: Trioxane homo-or copolymerizate is produced by continuously feeding the liquid starting material to be polymerized into a mixer in which there is present a powdered to granular oxymethylene homopolymer or copolymer which is fluidized to form a fluidized bed, the speed of feeding, catalyst concentration and polymerization temperature are coordinated to each other in suitable manner and after a polymerization reaction of at least 70 percent polymerizate is continuously or cyclically discharged from the mixer serving as reactor.

    摘要翻译: 通过将待聚合的液体原料连续供入到混合器中来制备三恶烷均聚或共聚,其中存在粉末状的颗粒状甲醛均聚物或共聚物,其被流化以形成流化床,进料速度,催化剂浓度和 聚合温度以合适的方式彼此配位,并且至少70%聚合物的聚合反应从用作反应器的混合器中连续或循环排出。

    Iodophor solution
    8.
    发明授权
    Iodophor solution 失效
    Iodophor解决方案

    公开(公告)号:US4088597A

    公开(公告)日:1978-05-09

    申请号:US805872

    申请日:1977-06-13

    CPC分类号: A01N59/12

    摘要: There is prepared an iodophor solution comprising(a) 0.5 to 3 weight percent iodine,(b) 10 to 30 weight percent phosphoric acid,(c) 5 to 30 weight percent acetic acid, and(d) 0.5 to 20 weight percent of a polymerHaving an average molecular weight between 500 and 10,000 and consisting essentially of repeating units of the general formula ##STR1## where X in 90 to 65% of the cases is COOH, in 10 to 35% of the cases is ##STR2## and in 0 to 10% of the cases is CH.sub.2 OH and/or CN and/or ##STR3## the side chains being distributed statistically at random. The solution is made up with water to 100 weight percent. Preferably there is present hydrogen iodide, alkali metal iodide, alkaline earth metal iodide or ammonium iodide. Also there can be present a wetting agent such as sodium lauryl sulfate or sodium dodecylbenzene sulfonate or sodium dihexylsulfosuccinate.

    摘要翻译: 制备了一种碘伏溶液,其包含(A)0.5至3重量百分数的碘,(B)10至30重量百分数的磷酸,(C)5至30重量的醋酸,和(D)0.5至20重量的A 聚合物具有500和10,000之间的平均分子量,并且基本上重复通用公式的图像<图像>,其中90%至65%的病例中的X为COOH,10%至35%的病例为,并且 0至10%的情况是CH 2 OH和/或CN和/或侧链是随机统计分布的。 该溶液由水至100重量%组成。 优选存在碘化氢,碱金属碘化物,碱土金属碘化物或碘化铵。 还可以存在润湿剂,例如月桂基硫酸钠或十二烷基苯磺酸钠或二己基磺基琥珀酸钠。

    Accelerator combination for the cross-linking of powder paints
    9.
    发明授权
    Accelerator combination for the cross-linking of powder paints 失效
    加速器组合用于粉末涂料的交联

    公开(公告)号:US4152284A

    公开(公告)日:1979-05-01

    申请号:US832710

    申请日:1977-09-12

    摘要: An accelerator combination is provided for the cross-linking of powder paints containing an acrylic resin containing carboxyl groups and an epoxy resin at elevated temperatures, said accelerator containing, based on the weight of said acrylic resin:(a) 0.05 to 3.0% by weight of at least one compound of the formula LiX, in which X signifies a hydroxyl ion, the anion of hydrochloric acid, hydrobromic acid, or of a saturated or unsaturated aliphatic or aromatic carboxylic acid; and(b) 0.5 to 5.0% by weight of at least one quaternary ammonium compound of the formula ##STR1## in which R.sub.1 signifies a saturated aliphatic radical, R.sub.2, R.sub.3 and R.sub.4 signify the same or different saturated aliphatic radicals, aryl radicals or aralkyl radicals, wherein two of the radicals R.sub.2 to R.sub.4 may be replaced by a group which together with the nitrogen atom forms a saturated heterocylic ring, or all radicals R.sub.2 to R.sub.4 may be replaced by a group which together with the nitrogen atom forms a pyridine ring, and in which Y.sup.- signifies a monobasic inorganic or organic acid anion.

    Radiation-hardenable agent for the scratch-resistant coating of organic
glasses
    10.
    发明授权
    Radiation-hardenable agent for the scratch-resistant coating of organic glasses 失效
    用于有机眼镜防刮涂层的辐射硬化剂

    公开(公告)号:US4921881A

    公开(公告)日:1990-05-01

    申请号:US203100

    申请日:1988-06-07

    摘要: A radiation-hardenable agent for the scratch-resistant coating of organic glasses consists of a cocondensate of vinyl trimethoxysilane or vinyl triethoxysilane and tetramethoxysilane or tetraethoxysilane, a reactive diluent which comprises at least 2 vinyl, acrylic or methacrylic groups per molecule and, if necessary, of a known photoinitiator. The agent can be prepared by forming the cocondensate in the presence of an amount of water which is at least equivalent to the methoxy or ethoxy groups present or in the presence of a small amount of a carboxylic acid, removing all volatile portions of the reaction mixture and mixing the oily siloxane remaining as residue with the other components.

    摘要翻译: 用于耐刮擦涂层的有机玻璃的辐射硬化剂包括乙烯基三甲氧基硅烷或乙烯基三乙氧基硅烷的共缩合物和四甲氧基硅烷或四乙氧基硅烷,每分子包含至少2个乙烯基,丙烯酸或甲基丙烯酸基团的反应性稀释剂, 的已知光引发剂。 该试剂可以通过在存在一定量的至少等同于存在的甲氧基或乙氧基或少量羧酸存在下的水的存在下形成共缩合物来制备,除去反应混合物的所有挥发份 并将剩余的作为残留物的油性硅氧烷与其它组分混合。