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1. 发明授权

US5407981A Method for the preparation of copolyester elastomer having high viscosity 失效
标题翻译：制备粘度高的共聚酯弹性体的方法
公开(公告)号：US5407981A
公开(公告)日：1995-04-18
申请号：US94959
申请日：1993-07-23
申请人： Kwang T. Kim , Dae W. Ihm , Moon S. Beak , Young C. Lee
发明人： Kwang T. Kim , Dae W. Ihm , Moon S. Beak , Young C. Lee
IPC分类号： C08G63/672 , C08G63/688 , C08K5/138 , C08K5/41
CPC分类号： C08G63/6886 , C08G63/672 , C08K5/138
摘要： A method for preparation of a polyether-ester elastomer. The method comprises admixturing dibasic acid with short chain diol for the formation of a short chain ester monomer represented :into general formula (I) and with polyglycol for the formation of a long chain ether moromet represented into general formula (II), adding the alkali salt of dialkylsufoisophthalate to the admixture to react the admixture until the discharge of methanol is tip to above 70%, adding stabilizing agent to perform the polymerization reaction, and then, blending phenolic alkali metal salt. ##STR1## wherein R is a biradical obtained by removing carboxyl group from a dicarboxylic acid having a molecular weight not more than 400,D is a biradical obtained by removing hydroxyl group from a short chain diol having a molecular weight not more than 250, andG is a biradical obtained by removing hydroxyl group from a long chain ether glycol having a molecular weight of a range of about 400 to 4,000.
摘要翻译：一种制备聚醚酯弹性体的方法。该方法包括将二元酸与短链二醇混合以形成短链酯单体，所述短链酯单体表示为通式（I）和用于形成通式（II）所示的长链醚脱甲硅烷的聚二醇，加入碱将二烷基异邻苯二甲酸盐的盐与混合物反应，直到甲醇排出至70％以上，加入稳定剂进行聚合反应，然后混合酚碱金属盐。（I）其中R是通过从分子量不大于400的二羧酸除去羧基得到的双基，D是通过从具有不饱和键的短链二醇除去羟基得到的双基，分子量不超过250，G是通过从分子量为约400至4,000的长链醚二醇中除去羟基得到的双基。

2. 发明授权

US5382651A Method for the preparation of polyester for a film 失效
标题翻译：薄膜聚酯的制备方法
公开(公告)号：US5382651A
公开(公告)日：1995-01-17
申请号：US107067
申请日：1993-08-17
申请人： Kwang T. Kim , Tae H. Kim , Seung B. Jun
发明人： Kwang T. Kim , Tae H. Kim , Seung B. Jun
IPC分类号： C08G63/78 , C08K3/36
CPC分类号： C08G63/78 , C08K3/36
摘要： A method for the production of polyester suitable to be molded into a film with excellent surface properties.The method comprises passing dispersion-in-water type silica sol with pH 8 to 11 including sodium oxide as a stabilizer and silica particles with average diameters 0.01 to 0.3 .mu.m through a column of cation exchange resin having the following formula 1 and the strong basic anion exchange having the following formula 2, in sequence to adjust the pH value to 2 to 4, adding an hydrogen bonding agent and ethylene glycol thereto, heating the resultant silica sol under a reduced pressure to remove water, so as to obtain dispersion-in-ethylene glycol type silica sol, and adding 0.01 to 5% by weight of the dispersion-in-ethylene glycol type silica sol, as based on the weight of polyester to be produced, at any step during the ester interchange reaction. ##STR1##
摘要翻译：一种生产聚酯的方法，适用于模塑成具有优异表面性能的膜。该方法包括通过具有下列通式1的阳离子交换树脂柱和通式为1的阳离子交换树脂柱，通过含有pH8〜11的水分散型二氧化硅溶胶，包括氧化钠作为稳定剂，平均粒径为0.01〜0.3μm的二氧化硅粒子按照下式2的阴离子交换，将pH值调整为2〜4，向其中加入氢键合剂和乙二醇，在减压下加热得到的二氧化硅溶胶除去水，得到分散体 - 乙二醇型二氧化硅溶胶，并且在酯交换反应期间的任何步骤中，以所生产的聚酯的重量计，添加0.01-5重量％的乙二醇型二氧化硅溶胶分散体。（1）（2）

3. 发明授权

US5070179A Water-soluble copolymerized polyester resin composition 失效
标题翻译：水溶性共聚聚酯树脂组合物
公开(公告)号：US5070179A
公开(公告)日：1991-12-03
申请号：US653963
申请日：1991-02-12
申请人： Kwang T. Kim , Tae H. Kim , Young S. Kim
发明人： Kwang T. Kim , Tae H. Kim , Young S. Kim
IPC分类号： C08G63/66 , C08G63/181 , C08G63/46 , C08G63/672 , C08G63/68 , C08G63/688 , C08G63/695 , C08L67/00 , C08L67/02 , C09D167/02
CPC分类号： C08G63/672 , C08G63/68
摘要： The present invention relates to water-soluble copolymerized polyester resin suitable to produce a polyester film having a good adhesion and surface properties.That is, the composition of the present invention comprise 50.about.85 mol % of aromatic dicarbonic acid, 0.5.about.25 mol % of aromatic dicarbonic acid containing sulfonic acid alkali metallic base and 0.5.about.25 mol % of dicarbonic acid containing silane system represented by the following formula (I) in the total dicorbonic acid components, wherein the glycol components contained in the composition comprising more than 60 mol % of aliphatic or alicyclic glycol and 1.about.40 mol % of diethylene glycol or triethylene glycol. ##STR1## wherein R.sub.1 is aliphatic hydrocarbon group of 1 to 15 carbon atoms, R.sub.2 is aliphatic hydrocarbon group of 1 to 4 carbon atoms.
摘要翻译：本发明涉及适于生产具有良好粘附性和表面性能的聚酯薄膜的水溶性共聚聚酯树脂。也就是说，本发明的组合物包含50％的芳族二羧酸85摩尔％，含有20摩尔％的含有磺酸碱金属碱的芳族二碳酸的0.5分子和含有25摩尔％的含二羧酸的硅烷体系的0.5分子在总二氯碳酸组分中的下式（I）表示，其中所述组合物中所含的二醇组分包含超过60摩尔％的脂族或脂环族二醇和1分子量40摩尔％的二甘醇或三甘醇。（I）其中R 1为1至15个碳原子的脂族烃基，R 2为1至4个碳原子的脂族烃基。

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