POLY(ETHER-ESTER) POLYOLS AND PROCESSES FOR THEIR PRODUCTION
    51.
    发明申请
    POLY(ETHER-ESTER) POLYOLS AND PROCESSES FOR THEIR PRODUCTION 失效
    POLY(ETER-ESTER)POLYOLS及其生产工艺

    公开(公告)号:US20100137552A1

    公开(公告)日:2010-06-03

    申请号:US12700050

    申请日:2010-02-04

    IPC分类号: C08G63/16 C08G18/34

    摘要: The invention is directed to novel poly(ethcr-ester) polyols, processes for their production from monocarboxylic or polycarboxylic acid esters with one or more bound polyether chain(s). This invention also relates to the production of polyurethane materials in which the isocyanate-reactive component comprises these poly(ether-ester)polyols.

    摘要翻译: 本发明涉及新的聚(乙酸酯)多元醇,其由具有一个或多个结合的聚醚链的单羧酸酯或多元羧酸酯生产的方法。 本发明还涉及其中异氰酸酯反应性组分包含这些聚(醚 - 酯)多元醇的聚氨酯材料的生产。

    Polyurea Systems, Processes for Preparing the Same and Use Thereof for Postoperative Adhesion Barriers
    53.
    发明申请
    Polyurea Systems, Processes for Preparing the Same and Use Thereof for Postoperative Adhesion Barriers 有权
    聚脲系统,其制备方法及其应用于术后粘合屏障

    公开(公告)号:US20090221071A1

    公开(公告)日:2009-09-03

    申请号:US12370639

    申请日:2009-02-13

    摘要: Polyurea systems comprising: (a) an amino-functional aspartic ester of the general formula (I) wherein X represents an n-valent organic radical derived from a corresponding n-functional primary amine X(NH2)n, R1 and R2 each independently represent an organic radical having no Zerevitinov active hydrogens and n represents an integer of at least 2; and (b) an isocyanate functional prepolymer having a residual monomer content of less than 1% by weight, the prepolymer prepared by reacting: (b1) an aliphatic isocyante; and (b2) a polyol component having a number average molecular weight of ≧400 g/mol and an average OH functionality of 2 to 6, wherein the polyol component comprises one or more constituents selected from the group consisting of polyester polyols, polyester-polyether polyols and mixtures thereof; processes for making the same; postoperative adhesions barriers prepared therewith and dispensing systems for such polyurea systems.

    摘要翻译: 聚脲体系包括:(a)通式(I)的氨基官能天冬氨酸酯,其中X表示衍生自相应的正官能伯胺X(NH 2)n的n价有机基团,R 1和R 2各自独立地表示 没有泽列维诺夫活性氢的有机基团,n表示至少2的整数; 和(b)具有小于1重量%的残余单体含量的异氰酸酯官能预聚物,所述预聚物通过使(b1)脂族异氰酸酯反应制备; 和(b2)数均分子量> = 400g / mol,平均OH官能度为2-6的多元醇组分,其中多元醇组分包括一种或多种选自聚酯多元醇,聚酯 - 聚醚多元醇及其混合物; 制作相同的过程; 用其制备的术后粘连屏障和用于这种聚脲系统的分配系统。

    Process for conditioning and stabilizing polyols
    58.
    发明授权
    Process for conditioning and stabilizing polyols 失效
    调理和稳定多元醇的方法

    公开(公告)号:US5476892A

    公开(公告)日:1995-12-19

    申请号:US164974

    申请日:1993-12-09

    摘要: Polyols are conditioned and stabilized by mixing them at 0 to 150.degree. C. with from about 0.0001 to about 1% by weight, based on the quantity of polyol, of a silylated acid corresponding to the formula:X--[Si(CH.sub.3).sub.3 ].sub.nin whichX represents a neutral acid residue obtained by removal of the acidic hydrogen atoms from an n-basic acid having a maximum pKa value of 3, provided that the n-basic acid is not a hydrohalic acid andn represents an integer of from 1 to 3.The resultant polyol is characterized by good color and activity properties. The stabilized polyols are particularly useful in the production of polyurethanes, particularly polyurethane foams.

    摘要翻译: 通过在0至150℃下混合多元醇并使其稳定,基于多元醇的量,约0.0001至约1重量%的对应于下式的甲硅烷基化的酸:X- [Si(CH 3)3 ] n,其中X表示通过从具有最大pKa值3的正碱性酸除去酸性氢原子而获得的中性酸残基,条件是所述正碱不是氢卤酸,n表示整数 所得多元醇的特征在于良好的颜色和活性。 稳定的多元醇特别可用于生产聚氨酯,特别是聚氨酯泡沫体。

    STABLE EMULSIONS AND THEIR USE IN THE PRODUCTION OF FOAMS BASED ON ISOCYANATE
    60.
    发明申请
    STABLE EMULSIONS AND THEIR USE IN THE PRODUCTION OF FOAMS BASED ON ISOCYANATE 审中-公开
    稳定的乳液及其在异氰酸酯生产中的应用

    公开(公告)号:US20140323605A1

    公开(公告)日:2014-10-30

    申请号:US14240770

    申请日:2012-08-22

    IPC分类号: C08G18/48 C08L75/08

    摘要: The invention relates to stable emulsions for the production of foams based on isocyanate, at least comprising three polyols A1a, A1b and A1c as well as at least one physical blowing agent T, wherein A1a is a polyether polyol obtained by addition of epoxides to starter compounds selected from carbohydrates and di- or higher-functional alcohols, A1b is a polyether polyol started on an aromatic amine, and A1c is a polyester polyol obtained by esterification of a polycarboxylic acid component and a polyalcohol component, wherein the total amount of aromatic dicarboxylic acid derivatives used in the esterification, calculated on the basis of the free aromatic dicarboxylic acids and based on the total mass of polyalcohol component and polycarboxylic acid component, is less than or equal to 48.5% by mass.

    摘要翻译: 本发明涉及用于生产基于异氰酸酯的泡沫的稳定乳液,至少包含三种多元醇A1a,A1b和A1c以及至少一种物理发泡剂T,其中A1a是通过向起始化合物中加入环氧化物得到的聚醚多元醇 选自碳水化合物和二官能或更高官能的醇,A1b是在芳族胺上开始的聚醚多元醇,A1c是通过多元羧酸组分和多元醇组分的酯化获得的聚酯多元醇,其中芳族二羧酸 以游离芳族二羧酸为基准,以多元醇成分和多元羧酸成分的总质量为基准计算的酯化衍生物的摩尔比小于或等于48.5质量%。