PROCESS FOR PRODUCING MODIFIED POLYMER, APPARATUS FOR PRODUCING MODIFIED POLYMER, AND MODIFIED POLYMER
    2.
    发明公开
    PROCESS FOR PRODUCING MODIFIED POLYMER, APPARATUS FOR PRODUCING MODIFIED POLYMER, AND MODIFIED POLYMER 有权
    用于生产改性聚合物,改性聚合物装置用于生产和改性聚合物

    公开(公告)号:EP1452549A1

    公开(公告)日:2004-09-01

    申请号:EP02777854.7

    申请日:2002-10-16

    IPC分类号: C08F8/12

    摘要: It is an object of the invention to provide a method for producing a modified polymer compound and a production apparatus of a modified polymer capable of producing a modified polymer compound with a high purity in a short time, and such a modified polymer compound.
    The invention provides a method for producing a modified polymer compound, which comprises chemically modifying a polymer compound in a supercritical fluid or a high temperature and high pressure fluid, said modified polymer compound being composed of monomer units obtainable by chemically modifying part of or all of monomer units composed of the polymer compound before modification reaction.

    摘要翻译: 发明内容本发明的一个目的是提供一种生产改性聚合物化合物和能够产生具有在短时间内高纯度的改性聚合物化合物的改性聚合物的制造装置的方法,以及这样的改性高分子化合物。 本发明提供了一种用于制备改性聚合物化合物,其包含在化学上在超临界流体或高温和高压流体改性的聚合物化合物,所述由化学修饰部分被由单体单元可获得的的改性聚合物化合物 的或全部改性反应前的聚合物化合物组成的单体单元。

    PROCESS FOR PRODUCING POLYVINYL ACETAL RESIN, POLYVINYL BUTYRAL RESIN, AND PROCESS FOR PRODUCING ESTERIFIED POLYVINYL ALCOHOL RESIN
    3.
    发明公开
    PROCESS FOR PRODUCING POLYVINYL ACETAL RESIN, POLYVINYL BUTYRAL RESIN, AND PROCESS FOR PRODUCING ESTERIFIED POLYVINYL ALCOHOL RESIN 有权
    用于生产聚乙烯醇缩醛树脂,聚乙烯醇缩丁醛树脂和制造方法酯化的聚乙烯醇树脂

    公开(公告)号:EP1775311A1

    公开(公告)日:2007-04-18

    申请号:EP04771213.8

    申请日:2004-08-04

    IPC分类号: C08F8/14 C08F16/38 C08F18/04

    摘要: It is an object of the present invention to provide a method of producing a polyvinyl acetal resin by which a polyvinyl acetal resin having a high acetalization degree can be produced even in a solid catalyst system, a polyvinyl butyral resin produced by the above-mentioned production method of a polyvinyl acetal resin, and a method of producing an esterified polyvinyl alcohol resin by which the esterification can be performed at high efficiency even in a solid catalyst system.
    The present invention is a method of producing a polyvinyl acetal resin, wherein a solution or a suspension containing a polyvinyl alcohol resin and a carbonyl compound is pressurized in the presence of a solid catalyst.

    摘要翻译: 它是本发明的一个目的是提供一种生产由可甚至在固体催化剂体系,其通过上述制造制造的聚乙烯醇缩丁醛树脂来制造具有高缩醛化度的聚乙烯醇缩醛树脂为聚乙烯醇缩醛树脂的方法 聚乙烯醇缩醛树脂,并在酯化的聚乙烯醇树脂,通过该酯化反应可在高效率甚至在固体催化剂系统来执行制造的方法的方法。本发明是一种生产聚乙烯醇缩醛树脂的制造方法,worin溶液 或含有聚乙烯醇树脂和羰基化合物的悬浮液中的固体催化剂的存在下被加压。