Biodegradable polymers, the production thereof and the use thereof for producing biodegradable moldings
    43.
    发明授权
    Biodegradable polymers, the production thereof and the use thereof for producing biodegradable moldings 有权
    生物可降解聚合物,其生产方法及其生产可生物降解的模制品的用途

    公开(公告)号:US06201034B1

    公开(公告)日:2001-03-13

    申请号:US09395733

    申请日:1999-09-14

    IPC分类号: C08J900

    摘要: Biodegradable polyesters P1 obtainable by reaction of a mixture consisting essentially of (a1) a mixture consisting essentially of from 35 to 95 mol % of adipic acid or ester-forming derivatives thereof or mixtures thereof, from 5 to 65 mol % of terephthalic acid or ester-forming derivatives thereof or mixtures thereof, and from 0 to 5 mol % of a sulfonate compound, the sum of the individual mole percentages being 100 mol %, and (a2) a dihydroxy compound selected from the group consisting of C2-C6-alkanediols and C5-C10-cycloalkanediols, the molar ratio of (a1) to (a2) being chosen within the range from 0.4:1 to 1.5:1, with the proviso that the polyesters P1 have a molecular weight (Mn) within the range from 5000 to 50,000 g/mol, a viscosity number within the range from 30 to 350 g/ml (measured in 50:50 w/w o-dichlorobenzene/phenol at a concentration of 0.5% by weight of polyester P1 at 25° C.) and a melting point within the range from 50 to 170° C. and with the further proviso that the polyesters P1 are prepared using from 0.01 to 5 mol %, based on the molar quantity used of component (a1), of a compound D having at least three groups capable of ester formation, and further biodegradable polymers and thermoplastic molding compositions, processes for the preparation thereof, use thereof for producing biodegradable moldings, and adhesives, biodegradable moldings, foams and blends with starch obtainable from the polymers or molding compositions of the present invention.

    摘要翻译: 可生物降解的聚酯P1可通过基本上由(a1)基本上由35至95摩尔%的己二酸或其酯形成衍生物或其混合物组成的混合物,混合物,5-65摩尔%的对苯二甲酸或酯 - 形成其衍生物或其混合物,和0-5mol%的磺酸盐化合物,各摩尔百分比的总和为100mol%,和(a2)选自C2-C6-烷二醇和C5的二羟基化合物 -C1-环烷二醇,(a1)与(a2)的摩尔比选择在0.4:1至1.5:1的范围内,条件是聚酯P1的分子量(Mn)在5000至 50,000g / mol,粘度数在30-350g / ml的范围内(在25℃下在50:50w / w邻二氯苯/苯酚中的浓度为聚酯P1的0.5重量%测量)和 熔点在50至170℃的范围内,进一步的条件是, 基于组分(a1)的摩尔量,具有至少三个能够形成酯的基团的化合物D,以及其它可生物降解的聚合物和热塑性模塑组合物,使用0.01至5mol% 其制备方法,用于生产可生物降解的模制品,以及粘合剂,可生物降解的模制品,泡沫和可从本发明的聚合物或模塑组合物获得的淀粉的共混物。

    Water-absorbent cross-linked polymers in foam form
    44.
    发明授权
    Water-absorbent cross-linked polymers in foam form 有权
    泡沫形式的吸水性交联聚合物

    公开(公告)号:US06174929B1

    公开(公告)日:2001-01-16

    申请号:US09117294

    申请日:1998-08-26

    IPC分类号: C08J928

    摘要: Water-absorbing foamlike crosslinked polymers which are obtainable by (I) foaming a polymerizable aqueous mixture which consists of (a) monoethylenically unsaturated monomers containing acid groups, which are at least 50 mol % neutralized, (b) with or without other monoethylenically unsaturated monomers, (c) crosslinker, (d) initiators, (e) from 0.1 to 20% by weight of at least one surfactant, (f) with or without one or more solubilizers and (g) with or without thickeners, foam stabilizers, polymerization regulators, fillers and/or cell nucleating agents, the foaming being performed by dispersing fine bubbles of a gas inert to free radicals, and (II) polymerizing the foamed mixture with formation of a foamed hydrogel, with or without adjusting the water content of the foamed polymer to from 1 to 60% by weight, processes for their preparation and their use in sanitary articles which are used for absorbing body fluids and in dressing materials for covering wounds are described.

    摘要翻译: 吸水泡沫状交联聚合物可以通过(I)发泡可聚合水性混合物而获得,该可混合水性混合物由(a)至少50摩尔%中和的含酸基团的单烯属不饱和单体组成,(b)具有或不具有其它单烯属不饱和单体 ,(c)交联剂,(d)引发剂,(e)0.1至20重量%的至少一种表面活性剂,(f)具有或不具有一种或多种增溶剂,和(g)具有或不具有增稠剂的泡沫稳定剂,聚合 调节剂,填料和/或细胞成核剂,通过分散对自由基惰性气体的细小气泡进行发泡,和(II)使发泡混合物聚合形成泡沫水凝胶,在或不调节水分含量的情况下 发泡聚合物为1〜60重量%,其制备方法及其用于吸收体液的卫生制品和用于覆盖伤口的敷料中的用途。

    Preparation of polycondensates of aspartic acid and use of the
polycondensates
    46.
    发明授权
    Preparation of polycondensates of aspartic acid and use of the polycondensates 失效
    制备天冬氨酸缩聚物和使用缩聚物

    公开(公告)号:US5888959A

    公开(公告)日:1999-03-30

    申请号:US776709

    申请日:1997-02-12

    摘要: Process for preparing polycondensates of aspartic acid by polycondensation of aspartic acid at from 140.degree. to 300.degree. C. in the presence of sulfuric acid which has been partially neutralized with ammonia and/or amines as catalyst, and use of the reaction mixtures obtainable in this way or of the reaction mixtures neutralized with alkali metal or alkaline earth metal bases as additive to phosphate-free or reduced phosphate detergents and cleaners.

    摘要翻译: PCT No.PCT / EP95 / 03004 Sec。 371日期1997年2月12日 102(e)1997年2月12日PCT PCT 1995年7月28日PCT公布。 出版物WO96 / 05242 日本1996年2月22日在氨水和/或胺作为催化剂部分中和的硫酸存在下,通过天冬氨酸在140〜300℃缩聚制备天冬氨酸缩聚物的方法, 以这种方式获得的反应混合物或用碱金属或碱土金属碱中和的反应混合物作为无磷酸盐或还原型磷酸盐洗涤剂和清洁剂的添加剂。

    Biodegradable polymers, process for the preparation thereof and the use
thereof for producing biodegradable moldings
    47.
    发明授权
    Biodegradable polymers, process for the preparation thereof and the use thereof for producing biodegradable moldings 失效
    生物可降解聚合物,其制备方法及其生产可生物降解成型品的用途

    公开(公告)号:US5880220A

    公开(公告)日:1999-03-09

    申请号:US860027

    申请日:1997-07-03

    摘要: Biodegradable polyetheresteramides P1 which are obtained by reacting(a1) a mixture containing20-95 mol % of adipic acid or ester-forming derivatives thereof or mixtures thereof and5-80 mol % of terephthalic acid or ester-forming derivatives thereof or mixtures thereof, and(a2) a mixture of dihydroxy compounds(a21) from 15 to 99.3 mol % of a dihydroxy compound selected from the group consisting of C.sub.2 -C.sub.6 -alkanediols and C.sub.5 -C.sub.10 -cycloalkanediols,(a22) from 0.2 to 85 mol % of a dihydroxy compound containing ether functionalities of the formula IHO--((CH.sub.2).sub.n --O).sub.m --H I where n is 2, 3 or 4 and m is an integer from 2 to 250, or mixtures thereof and(a23) from 0.5 to 80 mol % of an amino-C.sub.2 -C.sub.12 -alkanol or amino-C.sub.5 -C.sub.10 -cycloalkanol,where the molar ratio of (a1) to (a2) is from 0.4:1 to 1.5:1, with the proviso, inter alia, that the polyetheresteramides P1 have a molecular weight (M.sub.n) in the range from 5000 to 80,000 g/mol, and biodegradable polymers, biodegradable moldings, and adhesives obtained from the disclosed polymers.

    摘要翻译: PCT No.PCT / EP96 / 00059 Sec。 371日期1997年7月3日 102(e)日期1997年7月3日PCT 1996年1月9日PCT PCT。 公开号WO96 / 21690 日期1996年7月18日通过使(a1)含有20-95摩尔%己二酸或其成酯衍生物或其混合物和5-80摩尔%对苯二甲酸或酯形成衍生物的混合物反应而获得的可降解的聚醚酯酰胺P1 或其混合物,和(a2)二羟基化合物(a21)为15-99.3mol%的选自C 2 -C 6 - 烷二醇和C 5 -C 10 - 环烷二醇的二羟基化合物的混合物,(a22)为0.2 至(85)%的含有式I HO - ((CH 2)n O)m H I的醚官能团的二羟基化合物,其中n为2,3或4,m为2至250的整数,或其混合物和(a23) 0.5〜80摩尔%的(a1)〜(a2)的摩尔比为0.4:1〜1.5:1的氨基-C2-C12烷醇或氨基-C5-C10-环烷醇,条件是, 特别地,聚醚酯酰胺P1的分子量(Mn)在5000至80,000g / mol的范围内,可生物降解的聚合物,可生物降解的模制品, 和从所公开的聚合物获得的粘合剂。

    Biodegradable polymers, the preparation thereof and the use thereof for
producing biodegradable moldings
    49.
    发明授权
    Biodegradable polymers, the preparation thereof and the use thereof for producing biodegradable moldings 失效
    生物可降解聚合物,其制备方法及其生产可生物降解成型品的用途

    公开(公告)号:US5817721A

    公开(公告)日:1998-10-06

    申请号:US836311

    申请日:1997-05-12

    CPC分类号: C08G63/91 C08G63/60

    摘要: A biodegradable polyester obtainable by reacting a mixture comprising (a1) from 95 to 99.9% by weight of a polyester P1 obtainable by reacting a mixture essentially comprising (b1) a mixture comprising 35-95 mol % of adipic acid or ester-forming derivatives thereof, 5-65 mol % of terephthalic acid or ester-forming derivatives thereof, and 0-5 mol % of a compound containing sulfonate groups, and (b2) a dihydroxy compound selected from the group consisting of C.sub.2 -C.sub.6 -alkanediols and C.sub.5 -C.sub.10 -cycloalkanediols, with the proviso that a compound D with at least three groups capable of ester formation is employed to prepare the polyester P1, (a2) from 0.1 to 5% by weight of a divinyl ether C1 and (a3) from 0 to 5 mol %, based on component (b1) from the preparation of P1, of compound D, and other biodegradable polymers and thermoplastic molding compositions, processes for the preparation thereof, the use thereof for producing biodegradable moldings and adhesives.

    摘要翻译: PCT No.PCT / EP95 / 04335 371日期1997年5月12日 102(e)日期1997年5月12日PCT提交1995年11月4日PCT公布。 公开号WO96 / 15175 PCT 日期1996年5月23日一种可生物降解的聚酯,其可通过使包含(a1)95-99.9重量%的聚酯P1的混合物反应获得,所述聚酯P1可通过使基本上包含(b1)包含35-95mol%己二酸或酯 5-35摩尔%的对苯二甲酸或其成酯衍生物,以及0-5摩尔%的含有磺酸盐基团的化合物,和(b2)选自下组的二羟基化合物:C 2 -C 6 - 链烷二醇和C 5 -C 10环烷二醇,条件是使用具有至少三个能够形成酯的基团的化合物D来制备聚酯P1,(a2)0.1至5重量%的二乙烯基醚C1和(a3 )为0〜5摩尔%,基于化合物D的P1的制备成分(b1),其他可生物降解的聚合物和热塑性成型组合物,其制备方法,其用于生产可生物降解的成型品和粘合剂的用途。

    Amphiphilic polyesters, preparation thereof, and use thereof in laundry
detergents
    50.
    发明授权
    Amphiphilic polyesters, preparation thereof, and use thereof in laundry detergents 失效
    两亲性聚酯,其制备方法及其在衣物洗涤剂中的用途

    公开(公告)号:US5777046A

    公开(公告)日:1998-07-07

    申请号:US687322

    申请日:1996-08-05

    摘要: Amphiphilic polyesters containing (a) ester units derived from polyalkylene glycols having a molecular weight of from 500 to 7500 and aliphatic dicarboxylic acids and/or monohydroxymonocarboxylic acids and (b) ester units derived from aromatic dicarboxylic acids and polyhydric alcohols and having molecular weights of from 1500 to 25,000, processes for preparing the amphiphilic polyesters by polycondensation, preparing first (a) aliphatic polyesters of polyalkylene glycols having a molecular weight of from 500 to 7500 with aliphatic dicarboxylic acids and/or monohydroxymonocarboxylic acids and then, within the aliphatic polyester thus obtained, (b) aromatic polyesters from aromatic dicarboxylic acids and polyhydric alcohols, reversing the order of the polycondensation, or condensing oligomeric aromatic polyesters (b) with oligomeric aliphatic polyesters (a), and use of the amphiphilic polyesters as additive in laundry detergents, other laundry detergent additives and laundry aftertreatments.

    摘要翻译: PCT No.PCT / EP95 / 00300 Sec。 371日期:1996年8月5日 102(e)日期1996年8月5日PCT提交1995年1月28日PCT公布。 公开号WO95 / 21880 日期1995年8月17日含有(a)衍生自分子量为500〜7500的聚亚烷基二醇的酯单元和脂族二羧酸和/或单羟基单羧酸的酯双酯和(b)衍生自芳族二羧酸和多元醇的酯单元和 具有1500至25,000的分子量,通过缩聚制备两亲性聚酯的方法,首先使用脂族二羧酸和/或单羟基单羧酸制备分子量为500至7500的聚亚烷基二醇的脂肪族聚酯,然后在 由此获得的脂肪族聚酯,(b)来自芳族二羧酸和多元醇的芳族聚酯,反转缩聚的顺序,或将低聚芳族聚酯(b)与低聚脂族聚酯(a)缩合,并使用两亲性聚酯作为添加剂 在洗衣洗涤剂,其他洗衣洗涤剂添加剂和l 杂项后期。