Flow enhancer for petroleum middle distillates
    1.
    发明授权
    Flow enhancer for petroleum middle distillates 失效
    石油中间馏分的流动增强剂

    公开(公告)号:US06395852B1

    公开(公告)日:2002-05-28

    申请号:US09423116

    申请日:1999-11-02

    IPC分类号: C08F12400

    摘要: A copolymer of the monomers of the following components A to C and, if required, D, the total amount by weight of which is 100 mol %: a: from 20 to 80 mol % of at least one ethylenically unsaturated dicarboxylic acid or of an anhydride, ester and/or amide thereof as component A, b: from 1 to 79 mol % of at least one diketene of the general formula (I)  where R1 and R2 independently are each hydrogen or C1-C30-alkyl, as component B, c: from 1 to 79 mol % of at least one vinyl ester, alkyl (meth)acrylate, (meth)acrylonitrile or mixtures thereof as component C and d: from 0 to less than 0.5 mol % or, if at least 20 mol % of component C are present, from 0 to 20 mol % of at least one further olefinically unsaturated monomer as component D, is used as a flow improver in mineral oil middle distillates.

    摘要翻译: 以下组分A至C的单体和如果需要的话,其总重量为100摩尔%的共聚物:a:20至80摩尔%的至少一种烯键式不饱和二羧酸或 酸酐,酯和/或酰胺作为组分A,b:1至79mol%的至少一种通式(I)的二烯酮,其中R 1和R 2各自独立地为氢或C 1 -C 30 - 烷基,作为组分B ,c:1至79摩尔%的至少一种乙烯基酯,(甲基)丙烯酸烷基酯,(甲基)丙烯腈或其混合物作为组分C和d:0至小于0.5摩尔%,或如果至少20摩尔% 的组分C,0至20摩尔%的至少一种作为组分D的烯属不饱和单体用作矿物油中间馏分中的流动改进剂。

    Biodegradable polymers, preparation thereof and use thereof for
producing biodegradable moldings
    4.
    发明授权
    Biodegradable polymers, preparation thereof and 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降解模塑制品的用途

    公开(公告)号:US6018004A

    公开(公告)日:2000-01-25

    申请号:US836037

    申请日:1997-05-14

    摘要: Biodegradable polyesters P1 obtainable by reaction of a mixture consisting essentially of(a1) a mixture consisting essentially offrom 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, andfrom 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 C.sub.2 -C.sub.6 -alkanediols and C.sub.5 -C.sub.10 -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 (M.sub.n) 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.degree. C.) and a melting point within the range from 50 to 170.degree. 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: PCT No.PCT / EP95 / 02491 Sec。 371日期1997年5月14日 102(e)日期1997年5月14日PCT提交1995年6月27日PCT公布。 WO96 / 15173 PCT出版物 日期1996年5月23日可生物降解的聚酯P1可通过以下组成的混合物进行反应,所述混合物主要由(a1)基本上由35至95摩尔%的己二酸或其成酯衍生物或其混合物组成的混合物,5至65摩尔% 对苯二甲酸或其成酯衍生物或其混合物,和0-5mol%的磺酸盐化合物,各摩尔百分数之和为100mol%,和(a2)选自C2 -C1-烷二醇和C 5 -C 10 - 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具有分子量(Mn) 在5000至50,000g / mol的范围内,粘度数在30至350g / ml的范围内(在50:50w / w邻二氯苯/苯酚中以0.5wt%的聚酯P1的浓度 25℃),熔点在50℃至170℃的范围内 进一步的条件是聚酯P1的制备方法是使用0.01至5mol%(以组分(a1)的摩尔量计)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 ,其制备方法,用于生产可生物降解的模制品的用途,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。

    Biodegradable polymers, the preparation thereof and the use thereof for
the production of biodegradable moldings
    5.
    发明授权
    Biodegradable polymers, the preparation thereof and the use thereof for the production of biodegradable moldings 失效
    生物可降解聚合物,其制备方法及其在生物降解性成型品生产中的应用

    公开(公告)号:US5863991A

    公开(公告)日:1999-01-26

    申请号:US860032

    申请日:1997-07-03

    摘要: Biodegradable polyetheresteramides Q1 with a molecular weight (M.sub.n) in the range from 6000 to 80,000 g/mol, a viscosity number in the range from 30 to 450 g/ml (measured in o-dichlorobenzene/phenol (50/50 ratio by weight) at a concentration of 0.5% by weight polyetheresteramide Q1 at 25.degree. C.), and a melting point in the range from 50.degree. to 200.degree. C., obtained by reacting a1) from 95 to 99.9% by weight polyetheresteramide P1, obtained by reacting a mixture ofb1) 20-95 mol % adipic acid or ester-forming derivatives thereof, and5-80 mol % terephthalic acid or ester-forming derivatives thereof, andb2) a mixture of a dihydroxy compound selected from C.sub.2 -C.sub.6 -alkanediols and C.sub.5 -C.sub.10 -cycloalkanediols,b22) a dihydroxy compound which contains ether functionalities and has the formula IHO--((CH.sub.2).sub.n --O)).sub.m --H Iwhere n is 2, 3 or 4 and m is an integer from 2 to 250, andb23) from 0.5 to 80 mol % of an amino-C.sub.2 -C.sub.12 -alkanol or an amino-C.sub.5 -C.sub.10 -cycloalkanol, with or withoutb24) a diamino-C.sub.1 -C.sub.8 -alkane, and/orb25) a 2,2'-bisoxazolinewhere the molar ratio of (b1) to (b2) is in the range from 0.4:1 to 1.5:1, anda2) from 0.1 to 5% by weight of a divinyl ether C1.

    摘要翻译: PCT No.PCT / EP96 / 00064 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 / 21691 日期1996年7月18日分子量(Mn)在6000〜80,000g / mol范围内的可降解的聚醚酯酰胺Q1,粘度数在30-450g / ml的范围内(在邻二氯苯/苯酚(50 / 50重量比),浓度为0.5重量%聚醚酯酰胺Q1在25℃),熔点在50〜200℃,通过使a1)为95〜99.9重量% 通过使b1)20-95mol%己二酸或其成酯衍生物和5-80mol%对苯二甲酸或其成酯衍生物的混合物反应获得的聚醚酯酰胺P1,和b2)选择的二羟基化合物的混合物 由C 2 -C 6烷二醇和C 5 -C 10环烷二醇组成的b22)含有醚官能团并具有式IIIO - ((CH 2)n O))m-HI的二羟基化合物,其中n为2,3或4,m为整数 2至250,和b23)0.5至80摩尔%的氨基-C 2 -C 12烷醇或氨基-C 5 -C 10 - 环烷醇,具有或不具有b24) (b1)至(b2)的摩尔比在0.4:1至1.5:1的范围内,和a2)为0.1(重量比)的2,2'-双恶唑啉 至5重量%的二乙烯基醚C1。

    Use of polyaspartic acid in detergents and cleaners
    6.
    发明授权
    Use of polyaspartic acid in detergents and cleaners 失效
    在洗涤剂和清洁剂中使用聚天冬氨酸

    公开(公告)号:US5770553A

    公开(公告)日:1998-06-23

    申请号:US646263

    申请日:1996-05-20

    摘要: The use of polyaspartic acid prepared by polycondensation of aspartic acid in the presence of phosphoric acid in a molar ratio of from 1:0.05 to 1:10 at temperatures of at least 120.degree. C. to give polysuccinimide, and subsequent hydrolysis of the polysuccinimide with bases to give at least partially neutralized polyaspartic acid, as additive to detergents and cleaners in amounts of from 0.1 to 10% by weight, and detergents and cleaners which contain polyaspartic acids prepared in the presence of phosphoric acid.

    摘要翻译: PCT No.PCT / EP94 / 04057 Sec。 371日期:1996年5月20日 102(e)日期1996年5月20日PCT 1994年12月6日PCT PCT。 WO95 / 16020PC PCT出版物 日期:1995年6月15日使用通过在磷酸存在下天冬氨酸以1:0.05至1:10的摩尔比在至少120℃的温度下缩聚制备的聚天冬氨酸,得到聚琥珀酰亚胺,随后 用碱进行聚琥珀酰亚胺的水解,得到至少部分中和的聚天冬氨酸,其量为0.1至10重量%的洗涤剂和清洁剂的添加剂,以及含有在磷酸存在下制备的聚天冬氨酸的洗涤剂和清洁剂。

    Polymers containing polyacetal blocks, their preparation and their use
    7.
    发明授权
    Polymers containing polyacetal blocks, their preparation and their use 失效
    含聚缩醛嵌段的聚合物,其制备及其用途

    公开(公告)号:US5756594A

    公开(公告)日:1998-05-26

    申请号:US934084

    申请日:1997-09-19

    摘要: Polymers which contain polyacetal blocks are obtainable by polymerizing carboxylates containing aldehyde groups in the presence of initiators and reacting the polymers with at least bifunctional crosslinking agents in the presence of acids or Lewis acids and, if required hydrolyzing the ester groups present as polymerized units, process for the preparation of the polymers containing polyacetal blocks by polymerizing carboxylates containing aldehyde groups in the presence of initiators and reacting the resulting polyacetals containing terminal hydroxyl groups with at least bifunctional crosslinking agents in the presence of acids or Lewis acids, and the use of the resulting polymers as additives in phosphate-free and reduced phosphate detergents and cleaning agents, as scale inhibitors and as dispersants for pigments.

    摘要翻译: 含有聚缩醛嵌段的聚合物可以通过在引发剂的存在下聚合含有醛基的羧酸盐并在酸或路易斯酸存在下使聚合物与至少两官能交联剂反应,并且如果需要,水解作为聚合单元存在的酯基, 在含有聚缩醛嵌段的聚合物的制备中,在引发剂的存在下聚合含有醛基的羧酸酯,并在酸或路易斯酸的存在下使含有末端羟基的所得聚缩醛与至少两官能交联剂反应, 聚合物作为添加剂,在无磷酸盐和还原性磷酸盐洗涤剂和清洁剂中作为阻垢剂和作为颜料的分散剂。

    Preparation of modified polyaspartic acids
    8.
    发明授权
    Preparation of modified polyaspartic acids 失效
    改性聚天冬氨酸的制备

    公开(公告)号:US5710327A

    公开(公告)日:1998-01-20

    申请号:US809296

    申请日:1997-03-27

    CPC分类号: C08G73/1092 C11D3/3719

    摘要: Modified polyaspartic acids are prepared by condensing aspartic acid with polybasic carboxylic acids or anhydrides of polybasic carboxylic acids and ammonia without a diluent at temperatures of at least 140.degree. C. in the absence of inorganic acids.

    摘要翻译: PCT No.PCT / EP95 / 03621 Sec。 371日期1997年3月27日 102(e)1997年3月27日PCT PCT 1995年9月14日PCT公布。 WO96 / 10050 PCT出版物 日期1996年4月4日修饰的聚天冬氨酸通过在不存在无机酸的情况下,在至少140℃的温度下将天冬氨酸与多元羧酸或多元羧酸和氨基酸酐反应而无稀释剂而制备。