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    • 1. 发明授权
    • Water soluble crosslinked ethyleneimine grafted polyamidoamine
    • 水溶性交联乙烯亚胺接枝聚酰胺胺
    • US4371674A
    • 1983-02-01
    • US173479
    • 1980-07-30
    • Otto HertelEmil ScharfJaroslav MelzerRolf Fikentscher
    • Otto HertelEmil ScharfJaroslav MelzerRolf Fikentscher
    • C08G81/00C08G69/48D21H17/55D21H17/56
    • C08G69/48
    • Process for the production of water-soluble auxiliaries for the papermaking industry by reacting(a) 1 part by weight of a polyamidoamine obtained by condensing 1 mole of a dicarboxylic acid having from 4 to 10 carbon atoms with from 0.8 to 1.4 moles of a polyalkylene polyamine having from 3 to 10 alkyleneamine units and containing up to 8 ethyleneimine units per basic nitrogen atom with (b) 0.1 to 4 parts by weight of an .alpha.,.omega.-dichloro polyalkylene oxide obtained by reacting a polyalkylene oxide having from 8 to 100 alkylene oxide units with a compound selected from the group consisting of a thionyl chloride and phosgene and then cleaving the reaction products by heating them to a temperature of from 70.degree. to 150.degree. C. in the presence of a tertiary amine as catalyst,as crosslinking agent, at a temperature above 20.degree. C. in aqueous solution or in a water-soluble organic solvent, the reaction being carried out to a point at which the viscosity of an aqueous solution containing 20% by weight of auxiliary is from 300 to 2,500 mPas.
    • 通过使(a)通过将1重量份通过将1摩尔具有4至10个碳原子的二羧酸缩合得到的聚酰胺胺与0.8至1.4摩尔聚亚烷基二醇来制备用于造纸工业的水溶性助剂的方法 多胺具有3至10个亚烷基胺单元并且每个碱性氮原子含有至多8个亚乙基亚胺单元,和(b)0.1至4重量份通过使具有8至100个亚烷基的聚环氧烷反应获得的α,ω-二氯聚环氧烷 氧化物单元与选自亚硫酰氯和光气的化合物反应,然后在作为催化剂的叔胺的存在下将反应产物加热至70℃至150℃的温度,作为交联剂 在水溶液或水溶性有机溶剂中在20℃以上的温度下进行反应,直至水溶液的粘度为 20重量%的助剂为300至2,500mPas。
    • 8. 发明授权
    • Antifoam based on oil-in-water emulsion
    • 消泡剂基于水包油乳液
    • US4976888A
    • 1990-12-11
    • US292332
    • 1988-12-30
    • Arnold De ClercqWolfram BergoldHans-Juergen DegenJaroslav Melzer
    • Arnold De ClercqWolfram BergoldHans-Juergen DegenJaroslav Melzer
    • B01D19/04
    • B01D19/04B01D19/0404
    • In antifoams based on oil-in-water emulsions, the oil phase of the emulsions contains(a) a C.sub.12 -C.sub.26 -alcohol, a distillation residue which is obtainable in the preparation of alcohols having a relatively large number of carbon atoms by the oxo process or by the Ziegler process and which may furthermore be oxyalkylated and/or(b) a fatty acid ester of a C.sub.12 -C.sub.22 -carboxylic acid with a monohydric to trihydric C.sub.1 -C.sub.18 -alcohol and, if required,(c) a hydrocarbon having a boiling point above 200.degree. C. or a fatty acid of 12 to 22 carbon atoms,accounts for from 5 to 50% by weight of the emulsion and has a mean particle size of less than 25 .mu.m, and from 5 to 50% by weight of components (a) and (b) of the oil phase are replaced by(d) one or more compounds which melt at above 70.degree. C. and are selected from the group consisting of the fatty alcohols of not less than 28 carbon atoms, the esters of a C.sub.1 -C.sub.22 -carboxylic acid with an alcohol of not less than 28 carbon atoms, the polyethylene waxes having a molecular weight of not less than 2,000, the carnauba waxes, the montan ester waxes and the montanic acid waxes and their salts.
    • 在基于水包油乳液的消泡剂中,乳液的油相含有(a)C 12 -C 26醇,其是通过氧代制备具有相对大量碳原子的醇获得的蒸馏残余物 或者通过齐格勒方法进一步进行烷氧基化和/或(b)C 12 -C 22羧酸与一元至三元C 1 -C 18醇的脂肪酸酯,如果需要,(c)烃 沸点高于200℃或碳原子数12〜22的脂肪酸占乳液重量的5〜50%,平均粒径小于25μm,5〜50 油相组分(a)和(b)的重量百分比由(d)一种或多种在70℃以上熔化的化合物代替,并且选自不少于28的脂肪醇 碳原子,C1-C22-羧酸与醇不低于28个碳原子的酯,聚乙烯蜡 分子量不小于2,000,巴西棕榈蜡,褐煤酯蜡和褐煤酸蜡及其盐。
    • 10. 发明授权
    • Antifoams based on oil-in-water emulsions
    • 基于水包油乳液的消泡剂
    • US4664844A
    • 1987-05-12
    • US690508
    • 1985-01-11
    • Wolfram BergoldJaroslav Melzer
    • Wolfram BergoldJaroslav Melzer
    • B01D19/04C02F1/52D21H3/36
    • B01D19/04B01D19/0404
    • In antifoams based on oil-in-water emulsions, the oil phase of the emulsion contains(a) C.sub.12 -C.sub.26 -alcohols, distillation residues obtained in the preparation of alcohols by an oxosynthesis or by the Ziegler process and/or(b) fatty acid esters of C.sub.12 -C.sub.22 -carboxylic acids with monohydric, dihydric or trihydric C.sub.1 -C.sub.18 -alcohols, with or without(c) a hydrocarbon having a boiling point above 200.degree. C. or fatty acids of 12 to 22 carbon atoms,constitutes from 15 to 60% by weight of the emulsion and has a mean droplet size of from 0.5 to 15 .mu.m. The emulsions are stabilized by the addition of from 0.05 to 0.5% by weight, based on the total emulsion, of a high molecular weight water-soluble homopolymer or copolymer of acrylic acid, methacrylic acid, acrylamide or methacrylamide.
    • 在基于水包油乳液的消泡剂中,乳液的油相含有(a)C12-C26-醇,通过氧化合成法或通过齐格勒法制备醇所获得的蒸馏残余物和/或(b)脂肪 C 12 -C 22羧酸与一元,二元或三元C 1 -C 18醇的酸酯,具有或不具有(c)沸点高于200℃的烃或12至22个碳原子的脂肪酸构成 15至60重量%的乳液,并且具有0.5至15μm的平均液滴尺寸。 通过加入基于总乳液的0.05至0.5重量%的高分子量水溶性均聚物或丙烯酸,甲基丙烯酸,丙烯酰胺或甲基丙烯酰胺的共聚物来稳定乳液。