Method for producing ester of polyalcohol
    1.
    发明专利
    Method for producing ester of polyalcohol 有权
    生产聚醇的方法

    公开(公告)号:JP2013082941A

    公开(公告)日:2013-05-09

    申请号:JP2013013621

    申请日:2013-01-28

    CPC classification number: C08G65/3322 A61L15/60 C07C67/08 C07C69/54

    Abstract: PROBLEM TO BE SOLVED: To simplify a production method for a material usable as a radical crosslinking agent for a high-absorbent material.SOLUTION: A method for producing a crosslinked hydrogel is provided, in which a polyalcohol A is reacted with an ethylenically unsaturated carboxylic acid B in the presence of an esterification catalyst C, a polymerization inhibitor D, and optionally a solvent E which forms an azeotrope with water under the formation of an ester F. Optionally, at least a part of water produced is removed from a reaction mixture, optionally the reaction mixture is neutralized, and the solvent E is removed by distillation, and/or stripped using a gas which is inert under reaction conditions. The reaction mixture from one of the steps, optionally an additional monoethylenically unsaturated compound N, and optionally a copolymerizable hydrophilic monomer M are polymerized in the presence of a radical initiator K and optionally a graft base L. Optionally, the reaction mixture obtained is subjected to post crosslinking, drying, pulverization, and/or screening.

    Abstract translation: 要解决的问题:为了简化用作高吸收性材料的自由基交联剂的材料的制造方法。 解决方案:提供一种制备交联水凝胶的方法,其中多元醇A与乙烯不饱和羧酸B在酯化催化剂C,阻聚剂D和任选的形成的溶剂E的存在下反应 在酯F的形成下与水形成共沸物。任选地,将至少一部分产生的水从反应混合物中除去,任选地将反应混合物中和,并通过蒸馏除去溶剂E和/或使用 在反应条件下为惰性气体。 来自一个步骤的反应混合物,任选的另外的单烯属不饱和化合物N和任选的可共聚的亲水单体M在自由基引发剂K和任选的接枝基质L的存在下聚合。任选地,将获得的反应混合物 后交联,干燥,粉碎和/或筛选。 版权所有(C)2013,JPO&INPIT

    투과성 초흡수제 및 이의 생산 방법

    公开(公告)号:KR20200140854A

    公开(公告)日:2020-12-16

    申请号:KR20207031671

    申请日:2019-04-01

    Applicant: BASF SE

    Abstract: 본발명은하기를포함하는방법에의해생산된고 투과성초흡수제에관한것이다: 다음을함유하는수성단량체용액의중합: a) 임의로적어도부분적으로염으로존재하는, 적어도하나의에틸렌계불포화, 산기를지닌단량체, b) 적어도하나의가교제, c) 적어도하나의개시제, d) 임의로, a) 하에기재되어있는단량체와공중합성인하나이상의에틸렌계불포화단량체, 및 e) 임의로, 하나이상의수용성중합체; 수득된중합체를건조하는것; 임의로, 건조된중합체를분쇄하고분쇄된중합체를체질하는것; 및임의로, 건조되고임의로분쇄및 체질된중합체의표면을후-가교하는것 (건조, 분쇄또는체질후, 및표면후-가교가수행되는경우, 이러한표면후-가교전에, 이러한표면후-가교동안에또는이러한표면후-가교후에, X-선-비정질알루미늄하이드록사이드분말이첨가되는것을특징으로한다).

    COLOUR-STABLE SUPERABSORBENT
    9.
    发明申请
    COLOUR-STABLE SUPERABSORBENT 审中-公开
    颜色稳定SUPER吸收器

    公开(公告)号:WO2010012762A3

    公开(公告)日:2010-03-25

    申请号:PCT/EP2009059793

    申请日:2009-07-29

    CPC classification number: A61L15/60 A61L15/42 C08J3/075 C08J2300/14 C08L101/14

    Abstract: Superabsorbents containing a compound of formula (I) where M represents a hydrogen atom, an ammonium ion, a monovalent metal ion or one equivalent of a divalent metal ion of groups 1, 2, 8, 9, 10, 12 or 14 of the periodic table; R1 represents OH or NR4R5, where R4 and R5 independently represent H or C1-C6-alkyl; R2 represents H or an alkyl, alkenyl, cycloalkyl or aryl group which optionally has 1, 2 or 3 substituents selected independently from C1-C6-alkyl, OH, O-C1-C6-alkyl, halogen and CF3; and R3 represents COOM, SO3M, COR4, CONR4R5 or COOR4, where M, R4 and R5 are each as defined above, or, when R2 represents aryl which is optionally substituted as indicated above, also represents H, salts thereof or mixtures of such compounds and/or salts thereof display improved stability to discoloration in storage under elevated temperatures or elevated relative humidity.

    Abstract translation: 超吸收,含有式(I)其中M表示氢原子,铵离子,一价金属离子或一个当量组1,2,8,9,10,12或元素周期表第14的二价金属离子的化合物; R 1是OH或NR4R5,其中R4和R5独立地为H或C1-C6烷基; R2是H或烷基,烯基,环烷基或芳基,所述基团任选含有独立地选自C1-C6烷基中的1,2或3个取代基,OH,O-C 1 -C 6 - 烷基 ,卤素和CF 3; 且R 3为COOM,SO3M,COR4,CONR4R5,或COOR4,其中M,R4和R5具有或具有以上给出的含义,当R 2是芳基,如上所指出的,其是任选取代的,也代表H,它们的盐,或它们的混合物 这样的化合物和/或其盐,表现出升高的温度或高湿度下提高储存时抗变色稳定性。

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