Process for the continuous polymerization or copolymerization of trioxane
    1.
    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

    CPC classification number: C08G2/18 B01J8/10 C08G2/10 B01J2219/182 B01J2219/185

    Abstract: 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.

    Abstract translation: 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
    2.
    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 classification number: A01N59/12

    Abstract: 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.

    Abstract translation: 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
    3.
    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

    CPC classification number: C09D163/00 C08G59/68 C09D133/04 C08L63/00

    Abstract: 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
    5.
    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

    CPC classification number: C09D183/10 C08F283/124 C09D4/06 Y10S528/901

    Abstract: 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.

    Abstract translation: 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。

    Process for the production of a glycidyl group containing acrylic resin
and its use
    7.
    发明授权
    Process for the production of a glycidyl group containing acrylic resin and its use 失效
    制备含缩水甘油基的丙烯酸树脂及其用途的方法

    公开(公告)号:US4181642A

    公开(公告)日:1980-01-01

    申请号:US946059

    申请日:1978-09-25

    CPC classification number: C08F220/12 C09D133/12 Y10T428/31699 Y10T428/31855

    Abstract: There are prepared powder enamels or varnishes containing an acrylic resin in combination with an aliphatic dicarboxylic acid. The acrylic resin has glycidyl groups and is prepared by bulk polymerizing a mixture of:(a) methyl methacrylate, 20 to 70 weight %;(b) at least one ester of acrylic acid or methacrylic acid with a monohydric alcohol, whose homopolymer has a glass transition temperature below 40.degree. C., 10 to 40 weight %;(c) glycidyl acrylate or glycidyl methacrylate, 10 to 25 weight %; and(d) an additional monomer copolymerizable with (a), (b) and (c), 0 to 50 weight %;in the presence of a radical (free radical) catalyst and in the presence of, based on the weight of the monomer mixture of 0.1 to 3.0 weight percent of at least one ester of phosphorous acid having the formula: ##STR1## where R.sub.1 is hydrogen or a saturated aliphatic group with 1 to 16 carbon atoms, an aryl group with 6 to 10 carbon atoms, an alkyl substituted aryl with 1 to 12 carbon atoms in the alkyl, or an aralkyl group with 7 to 18 carbon atoms and R.sub.2 and R.sub.3 are the same or different saturated aliphatic groups with 1 to 16 carbon atoms, aryl groups with 6 to 10 carbon atoms, alkyl substituted aryl with 1 to 12 carbon atoms in the alkyl, or aralkyl groups with 7 to 18 carbon atoms.

    Abstract translation: 制备含有丙烯酸树脂与脂族二羧酸组合的粉末搪瓷或清漆。 丙烯酸树脂具有缩水甘油基,并且通过本体聚合以下混合物制备:(a)甲基丙烯酸甲酯,20至70重量%的混合物; (b)至少一种丙烯酸或甲基丙烯酸与一元醇的酯,其均聚物的玻璃化转变温度低于40℃,10至40重量%; (c)丙烯酸缩水甘油酯或甲基丙烯酸缩水甘油酯,10-25重量% 和(d)可与(a),(b)和(c)共聚的另外的单体,0至50重量% 在自由基(自由基)催化剂的存在下,并且在基于单体混合物的重量的存在下,所述单体混合物的重量为0.1至3.0重量%的至少一种具有下式的亚磷酸酯:其中R 1是氢 或碳原子数为1〜16的饱和脂肪族基团,碳原子数6〜10的芳基,烷基中具有1〜12个碳原子的烷基取代芳基,碳原子数7〜18的芳烷基,R2和R3 或具有1至16个碳原子的相同或不同的饱和脂族基团,具有6至10个碳原子的芳基,在烷基中具有1至12个碳原子的烷基取代的芳基或具有7至18个碳原子的芳烷基。

    Process for decreasing the hygroscopicity of polycarboxylates
    9.
    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

    CPC classification number: C08J3/00 C08J2300/104 Y10T428/2998

    Abstract: 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.

    Process for the production of suspension polymerizates
    10.
    发明授权
    Process for the production of suspension polymerizates 失效
    制备悬浮聚合物的方法

    公开(公告)号:US4677173A

    公开(公告)日:1987-06-30

    申请号:US822591

    申请日:1986-01-27

    CPC classification number: C08F2/20 Y10S526/909

    Abstract: The suspension polymerization of acrylic acid esters, methacrylic acid esters and vinyl aromatics alone or in admixture with subordinate amounts of other monomers is carried out in the presence of an acrylic or methacrylic acid homo or polymerizate or its alkali metal or ammonium salts as dispersing agent with the addition of an acid ester of phosphoric acid with an alkanol having 1 to 8 carbon atoms. The size of polymerizate beads produced is influenced by this procedure.

    Abstract translation: 丙烯酸酯,甲基丙烯酸酯和乙烯基芳族化合物单独或与下列量的其它单体的混合物的悬浮聚合在丙烯酸或甲基丙烯酸均聚物或聚合物或其碱金属或铵盐作为分散剂与 用具有1至8个碳原子的链烷醇加入磷酸的酸酯。 产生的聚合物珠粒的大小受该方法的影响。

Patent Agency Ranking