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    • 4. 发明授权
    • Process for the preparation of polyester polyols, based on
2-methyl-1,4-butanediol, which are liquid at room temperature, and
their use for the preparation of plastic materials
    • 用于制备在室温下为液体的基于2-甲基-1,4-丁二醇的聚酯多元醇及其在制备塑料材料中的用途的方法
    • US4731392A
    • 1988-03-15
    • US36298
    • 1987-04-09
    • Joachim StreuWolfgang Straehle
    • Joachim StreuWolfgang Straehle
    • C08G18/42C08G63/16C08G18/14
    • C08G18/4238C08G63/16
    • This invention relates to polyester polyols which are liquid at 25.degree. C. and contain units having the structure --OCH.sub.2 --CH(CH.sub.3)--CH.sub.2 CH.sub.2 O-- which are bound together and have an average functionality of from about 2 to 3, a hydroxyl number of from about 25 to 300, an acid number of less than about 2, and a viscosity of from about 200 to 10.sup.5 mPas at 25.degree. C. The polyols are prepared through polycondensation in the molten state, in the presence of or absence of esterification catalysts, of an aliphatic di- and/or polycarboxylic acid and/or di- and/or polycarboxylic acid ahydride and 2-methyl-1,4-butanediol or mixtures comprised of 2-methyl-1,4-butanediol and at least one linear or branched, aliphatic di- through tetravalent alcohol, which optionally contains ether bridges and has a 2-methyl-1,4-butanediol content of at least 20 weight percent based on the weight of the alcohol mixture. The polyester polyols are suited for the preparation of non-cellular or cellular polyurethane plastics or polyurethane-polyurea plastics and preferably polyurethane elastomers, using the polyisocyanates addition polymerization process.
    • 本发明涉及在25℃下为液体并含有结构为-OCH 2 -CH(CH 3)-CH 2 CH 2 O-的单元的聚酯多元醇,其结合在一起并具有约2至3的平均官能度,羟基数 约25至300,酸值小于约2,在25℃下的粘度为约200至105mPas。多元醇通过在存在或不存在酯化催化剂的情况下在熔融状态下缩聚制备 的脂族二 - 和/或多羧酸和/或二 - 和/或多羧酸酐和2-甲基-1,4-丁二醇或由2-甲基-1,4-丁二醇和至少一种线性 或支链的脂族二价至四价醇,其任选地含有醚桥,并且基于醇混合物的重量,其具有至少20重量%的2-甲基-1,4-丁二醇含量。 聚酯多元醇适用于使用多异氰酸酯加成聚合方法制备非细胞或细胞聚氨酯塑料或聚氨酯 - 聚脲塑料,优选聚氨酯弹性体。
    • 7. 发明授权
    • Process for the preparation of polyester polyols
    • 制备聚酯多元醇的方法
    • US4845266A
    • 1989-07-04
    • US36574
    • 1987-04-10
    • Matthias MarxJoachim JaehmeJoachim Streu
    • Matthias MarxJoachim JaehmeJoachim Streu
    • C08G63/91C08G63/18C08G63/66C08G63/87
    • C08G63/18C08G63/66C08G63/87
    • A process for the preparation of polyester polyols having an acid number of less than 1, a hydroxyl number of approximately 20 to about 400, and having a functionality of efficaciously 2 to 3, wherein polycarboxylic acids and/or their anhydrides and multivalent alcohols are polycondensed, preferably in the absence of common esterification catalysts, at temperatures of from about 150.degree. to 250.degree. C., optionally under reduced pressure, up to an acid number of from 20 to 5. The resulting polycondensate is then oxyalkylated per carboxyl group using from 1 to 5 moles of an alkylene oxide, for example 1,2-propylene oxide and/or preferably ethylene oxide, in the presence of at least one tertiary amine catalyst from the group consisting of N-methylimidazole, diazabicyclo[2,2,2]octane, diazabicyclo[5,4,0]undec-7-ene and pentamethyldiethylenetriamine and mixtures thereof, in a quantity of from about 0.001 to 1.0 weight percent based on the weight of the polycondensate, at temperatures from about 100.degree. to 170.degree. C. and under a pressure of about 1 to 10 bar.
    • 一种制备酸值小于1,羟值为约20至约400,具有有效2至3的官能团的聚酯多元醇的方法,其中多元羧酸和/或其酸酐和多元醇是缩聚的 ,优选在不存在共同的酯化催化剂的情况下,在约150-250℃的温度下,任选在减压下,直到酸值为20-5。然后将所得缩聚物按羧基烷氧基化,使用 在至少一种叔胺催化剂存在下,将1-5摩尔环氧烷,例如1,2-环氧丙烷和/或优选环氧乙烷在由N-甲基咪唑,二氮杂双环[2,2,2 ]辛烷,二氮杂双环[5,4,0]十一碳-7-烯和五甲基二亚乙基三胺及其混合物的量为约0.001至1.0重量%,基于缩聚物的重量, 在100℃至170℃和约1至10巴的压力下进行。
    • 8. 发明授权
    • Process for the preparation of non-cellular or cellular polyurethane
elastomers in the presence of a polyester polyol containing therein
titanium and/or tin compounds as catalysts
    • 在其中含有钛和/或锡化合物作为催化剂的聚酯多元醇存在下制备非细胞或细胞聚氨酯弹性体的方法
    • US4837245A
    • 1989-06-06
    • US116633
    • 1987-11-04
    • Joachim StreuWolfgang StraehleGerhard Ramlow
    • Joachim StreuWolfgang StraehleGerhard Ramlow
    • C08G18/22C08G18/46
    • C08G18/22C08G18/46
    • This invention relates to a process for the preparation of non-cellular or cellular polyurethane elastomers by the reaction of(a) an organic polyisocyanate, preferably in the form of NCO groups containing prepolymers and/or modified urethane group containing organic polyisocyanates with(b) a higher molecular weight compound having at least two reactive hydrogen atoms,(c) a polyester polyol containing tin and/or titanium compounds as catalysts, and optionally(d) a chain extending agent and/or crosslinking agent in the presence of(e) blowing agents,(f) auxiliaries and/or additiveswhereby from 0.1 to 10 parts by weight, based on 100 parts by weight of the (b) component, of a polyester polyol is used as a catalyst, which is prepared by the polycondensation of organic polycarboxylic acid with multivalent alcohols in the presence of from 0.002 to 5 weight percent, based on the weight of the polycondensation mixture, of a titanium and/or tin compound used as a catalyst at temperatures from 150.degree. to 200.degree. C., as well as using this catalyst in the preparation of plastics using the polyisocyanate addition polymerization process, preferably for preparing polyurethane-plastics.
    • 本发明涉及通过(a)有机多异氰酸酯,优选以含有预聚物和/或含有机多异氰酸酯的改性氨基甲酸酯基团的形式的有机多异氰酸酯的反应制备非细胞或细胞聚氨酯弹性体的方法,(b) 具有至少两个反应性氢原子的较高分子量化合物,(c)含有锡和/或钛化合物作为催化剂的聚酯多元醇,以及任选地(d)在(e)存在下的扩链剂和/或交联剂, 发泡剂,(f)助剂和/或添加剂,其中基于100重量份(b)组分的聚酯多元醇为0.1至10重量份,其用作催化剂,其通过 有机多元羧酸与多元醇在0.002至5重量百分比的存在下,以缩聚混合物的重量计,用作催化剂的钛和/或锡化合物在温度 150℃至200℃,以及使用该催化剂在使用多异氰酸酯加成聚合方法制备塑料时,优选用于制备聚氨酯塑料。