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    PROCESS FOR PREPARING POLY(ALKYLENE FURANDICARBOXYLATE)
    3.
    发明申请
    PROCESS FOR PREPARING POLY(ALKYLENE FURANDICARBOXYLATE) 审中-公开

    公开(公告)号：WO2018156838A1

    公开(公告)日：2018-08-30

    申请号：PCT/US2018/019340

    申请日：2018-02-23

    申请人： E. I. DU PONT DE NEMOURS AND COMPANY

    发明人： SUNKARA, Hari Babu ,  PIGLIACAMPI, Paul J.

    IPC分类号： C08G63/181 ,  C08G63/668 ,  C08G63/672 ,  C08G63/85

    摘要： A process to prepare poly(alkylene furandicarboxylate) polymer is disclosed herein. In one embodiment, the process comprises a) contacting a mixture comprising furandicarboxylic acid dialkyl ester, a diol comprising ethylene glycol, 1,3-propanediol, 1,4-butanediol, 1,4-cyclohexanedimethanol, or mixtures thereof, and a metal catalyst at a temperature in the range of from about 140°C to about 220°C to form prepolymer, wherein the mole ratio of the furandicarboxylic acid dialkyl ester to the diol is in the range of from 1:1.3 to 1:2.2; b) performing polycondensation by heating the prepolymer under reduced pressure to a temperature in the range of from about 220°C to about 260°C to form poly(alkylene furandicarboxylate) polymer; wherein the rate of polycondensation in step c) is faster with the anthraquinone compound present than without; and c) adding at least one anthraquinone compound as disclosed herein; and

    AQUEOUS PIGMENT DISPERSION CONTAINING LOW MOLECULAR WEIGHT POLYTRIMETHYLENE ETHER GLYCOL
    5.
    发明申请
    AQUEOUS PIGMENT DISPERSION CONTAINING LOW MOLECULAR WEIGHT POLYTRIMETHYLENE ETHER GLYCOL 审中-公开
    含有低分子量聚氨酯乙二醇的水分散液

    公开(公告)号：WO2013028640A2

    公开(公告)日：2013-02-28

    申请号：PCT/US2012/051629

    申请日：2012-08-20

    申请人： E. I. DU PONT DE NEMOURS AND COMPANY ,  SALIYA, Rajesh Gopalan ,  YOKOYAMA, Ayumu ,  SUNKARA, Hari Babu

    发明人： SALIYA, Rajesh Gopalan ,  YOKOYAMA, Ayumu ,  SUNKARA, Hari Babu

    IPC分类号： C09B67/46 ,  C09B67/00

    CPC分类号： C09D5/028 ,  C09B67/0002 ,  C09B67/009 ,  C09D7/63

    摘要： The present disclosure is directed to an aqueous pigment dispersion comprising low molecular weight polytrimethylene ether glycol. This disclosure is further directed to an antimicrobial aqueous pigment dispersion comprising the low molecular weight polytrimethylene ether glycol. The pigment dispersion can be used in coating compositions as interior and exterior top coats, basecoats, primers, primer surfacers and primer fillers. The disclosure is particularly directed to an aqueous pigment dispersion comprising components derived from renewable resources.

    摘要翻译： 本公开涉及包含低分子量聚三亚甲基醚二醇的水性颜料分散体。 本公开进一步涉及包含低分子量聚三亚甲基醚二醇的抗微生物水性颜料分散体。 颜料分散体可以用作涂料组合物作为内部和外部涂层，底涂层，底漆，底漆和底漆填料。 本公开特别涉及包含衍生自可再生资源的成分的水性颜料分散体。

    PROCESS FOR PREPARING POLY(TRIMETHYLENE FURANDICARBOXYLATE) USING ZINC CATALYST
    6.
    发明申请
    PROCESS FOR PREPARING POLY(TRIMETHYLENE FURANDICARBOXYLATE) USING ZINC CATALYST 审中-公开

    公开(公告)号：WO2018156859A1

    公开(公告)日：2018-08-30

    申请号：PCT/US2018/019363

    申请日：2018-02-23

    申请人： E. I. DU PONT DE NEMOURS AND COMPANY

    发明人： SUNKARA, Hari Babu ,  POLADI, Raja Hari

    IPC分类号： C08G63/181 ,  C08G63/672 ,  C08G63/83 ,  C08G63/84

    摘要： A process is disclosed herein comprising the steps: a) contacting a mixture comprising furandicarboxylic acid dialkyl ester, 1,3-propanediol, a zinc compound, and optionally a poly(alkylene ether) diol, at a temperature in the range of from about 120°C to about 220°C to form prepolymer, wherein the mole ratio of the furandicarboxylic acid dialkyl ester to the 1,3-propanediol is in the range of from 1:1.3 to 1:2.2; and b) heating the prepolymer under reduced pressure to a temperature in the range of from about 220°C to about 260°C to form polymer. The mixture of step a) can further comprise an anthraquinone compound.

    PROCESS FOR PREPARING POLY(TRIMETHYLENE FURANDICARBOXYLATE)
    7.
    发明申请
    PROCESS FOR PREPARING POLY(TRIMETHYLENE FURANDICARBOXYLATE) 审中-公开
    制备聚（三甲基呋喃基甲酸酯）的方法

    公开(公告)号：WO2018071383A1

    公开(公告)日：2018-04-19

    申请号：PCT/US2017/055880

    申请日：2017-10-10

    申请人： E. I. DU PONT DE NEMOURS AND COMPANY

    发明人： LIAUW, Ann Y. ,  POLADI, Raja Hari ,  SUNKARA, Hari Babu

    IPC分类号： C08G63/181 ,  C08G63/78

    摘要： A process is disclosed herein, the process comprising: a) contacting a mixture comprising furandicarboxylic acid dialkyl ester, 1,3-propanediol, and a metal catalyst at a temperature in the range of from 160°C to 220°C to form a prepolymer, wherein the mole ratio of the furandicarboxylic acid dialkyl ester to the 1,3-propanediol is in the range of from 1:1.3 to 1:2.2 and the concentration of metal catalyst is in the range of from 20 ppm to 400 ppm, based on the total weight of the mixture; b) removing at least a portion of the unreacted 1,3-propanediol; and c) heating the prepolymer to a temperature in the range of from 230°C to 260°C under reduced pressure to form poly(trimethylene furandicarboxylate) polymer while removing 1,3-propanediol. The poly(trimethylene furandicarboxylate) polymer.

    摘要翻译： 本发明公开了一种方法，该方法包括：a）使包含呋喃二甲酸二烷基酯，1,3-丙二醇和金属催化剂的混合物在160℃〜 至220℃以形成预聚物，其中呋喃二甲酸二烷基酯与1,3-丙二醇的摩尔比在1:1.3至1:2.2的范围内，并且金属催化剂的浓度在 基于混合物的总重量，从20ppm至400ppm; b）除去至少一部分未反应的1,3-丙二醇; 和c）将预聚物在减压下加热至230℃至260℃的温度以形成聚（三亚甲基呋喃二甲酸酯）聚合物，同时除去1,3-丙二醇。 聚（三亚甲基呋喃二甲酸酯）聚合物。

    CONDENSED TANNIN-BASED FOAMS
    8.
    发明申请
    CONDENSED TANNIN-BASED FOAMS 审中-公开
    基于TANNIN的简明法

    公开(公告)号：WO2015153617A1

    公开(公告)日：2015-10-08

    申请号：PCT/US2015/023602

    申请日：2015-03-31

    申请人： E. I. DU PONT DE NEMOURS AND COMPANY

    发明人： SUNKARA, Hari Babu ,  POLADI, Raja Hari

    IPC分类号： C08J9/14 ,  C08J9/00 ,  B32B5/18

    CPC分类号： C08J9/141 ,  C08J9/0061 ,  C08J9/145 ,  C08J9/149 ,  C08J2203/14 ,  C08J2203/142 ,  C08J2203/182 ,  C08J2205/052 ,  C08J2205/10 ,  C08J2361/10 ,  C08J2397/00 ,  C08L97/00

    摘要： Disclosed are condensed tannin-based foams comprising a formaldehyde-free polymeric phase defining a plurality of open cells and a plurality of closed cells, wherein the formaldehyde-free polymeric phase comprises an acid catalyzed tannin-based resin derived from a surface-active condensed tannin, a formaldehyde-free tannin-reactive monomer, a saturated or an unsaturated organic anhydride, a polyamine, an ethoxylated castor oil, and an optional plasticizer. Also disclosed are mixed tannin-phenolic foams and methods of making thereof.

    摘要翻译： 公开了包含限定多个开孔和多个闭孔的无甲醛聚合物相的缩合单宁基泡沫，其中不含甲醛的聚合相包含衍生自表面活性缩合单宁的酸催化的单宁类树脂 ，无甲醛单宁反应性单体，饱和或不饱和有机酸酐，多胺，乙氧基化蓖麻油和任选的增塑剂。 还公开了单宁 - 酚醛泡沫混合物及其制备方法。