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    Process for preparing halogen-containing organic isocyanates
    1.
    发明授权
    Process for preparing halogen-containing organic isocyanates 失效
    制备含卤素有机异氰酸酯的方法

    公开(公告)号：US3920644A

    公开(公告)日：1975-11-18

    申请号：US48789974

    申请日：1974-07-12

    Applicant: KAO CORP

    Inventor： HANDA SUSUMU ,  TANAKA YOSHIAKI ,  NISHIBATA ATSUSHI ,  INAMOTO YOSHIAKI

    IPC: C07C265/00 ,  C07C67/00 ,  C07C241/00 ,  C07C263/02 ,  C07C265/08 ,  C07D251/04 ,  C07D251/32 ,  C07D251/34 ,  C08G18/79 ,  C07C118/00

    CPC classification number: C07C263/02 ,  Y10S521/902 ,  C07C265/08

    Abstract: A process for preparing halogen-containing organic isocyanates, in which a benzene derivative having a chloromethyl group and an additional benzene-nucleus substituent having a steric interaction with the chloromethyl group and also having a halogen content of at least 80 percent by weight, said substituent being located ortho to the chloromethyl group, and an alkali metal cyanate, are heated at 60* to 190*C, in the presence of an amine compound that does not cause substitution with the chlorine atom of said chloromethyl group.

    Abstract translation: 一种制备含卤素有机异氰酸酯的方法，其中具有氯甲基的苯衍生物和与氯甲基具有空间相互作用并且卤素含量至少为80重量％的另外的苯 - 核取代基，所述取代基 位于氯甲基的邻位和碱金属氰酸盐的混合物在不会由氯甲基的氯原子引起取代的胺化合物的存在下在60℃加热。

    Process for polymerization of tetrahydrofuran
    3.
    发明授权
    Process for polymerization of tetrahydrofuran 失效
    四氢呋喃聚合方法

    公开(公告)号：US3891715A

    公开(公告)日：1975-06-24

    申请号：US30723772

    申请日：1972-11-16

    Applicant: KAO CORP

    Inventor： MATSUDA KAZUO ,  TANAKA YOSHIAKI ,  SAKAI TAKEYO

    IPC: C08G65/00 ,  C08G65/02 ,  C08G65/20 ,  C07C47/02

    CPC classification number: C08G65/20

    Abstract: Tetrahydrofuran is polymerized in the presence of a catalyst system of (1) 5 to 50 percent by weight, based on the amount of tetrahydrofuran, of fuming sulfuric acid containing 15 - 43 wt. % of SO3, and (2) 0.05 - 200 percent by weight, based on the weight of the fuming sulfuric acid, of a perchlorate. The reaction temperature is -20 to +10*C.

    Abstract translation: 四氢呋喃在催化剂体系的存在下聚合，其催化剂体系为（1）5-50重量％，基于四氢呋喃的量，含有15-43重量％的发烟硫酸。 ％的SO 3，和（2）0.05-200重量％，基于发烟硫酸的重量，高氯酸盐。 反应温度为-20至+10℃

    PROCESS FOR PREPARING LIQUID, THERMOSETTING RESIN COMPOSITIONS
    6.
    发明专利
    PROCESS FOR PREPARING LIQUID, THERMOSETTING RESIN COMPOSITIONS 未知

    公开(公告)号：CA980034A

    公开(公告)日：1975-12-16

    申请号：CA137174

    申请日：1972-03-15

    Applicant: KAO CORP

    Inventor： MATSUDA KAZUO ,  ARITAKI HIRAKAZU ,  TANAKA YOSHIAKI

    IPC: C08G18/08 ,  C08G18/10

    Abstract: 1337518 Thermosetting resin composition KAO SOAP CO Ltd 13 March 1972 [16 March 1971] 11534/72 Heading C3R A liquid, thermosetting resin composition is prepared by reacting in the liquid phase (A) a urethane prepolymer containing free isocyanate groups with (B) an excess of a polyalkylene polyamine (i.e. the total mole number of primary and secondary amino groups in the polyalkylene polyamine is greater than the whole mole number of isocyanate groups in the prepolymer) to form a polyurethaneurea-polyamine which is reacted in the liquid phase with epichlorohydrin and the resulting product mixed with an aqueous acid solution to adjust the pH to a value of 5 to 7. The urethane prepolymer is prepared in a conventional manner from an organic diisocyanate and a polyhydroxyl compound, e.g. a polyether, polyester, polyesteramide, polyaeetal, polythioether or polybutadiene glycol in the presence of a solvent. Preferred polyalkylene polyamines are diethylenetriamine, triethylenetetramine, tetraethylenepentamine and dipropylenetriamine. Up to 80% molar equivalent of the polyalkylene polyamine may be replaced by an alkylene diamine or alkylene oxide adduct, acrylonitrile adduct or aorylic ester adduct of such diamines. The reaction between the prepolymer and polyalkylene polyamine is preferably carried out in a ketone solvent. In general 0À5 to 2 moles of epichlorohydrin are reacted per mole of primary and secondary amino groups in the polyurethaneurea-polyamine. The acid used in the aqueous acid solution may be hydrochloric acid, nitric acid, formic acid, acetic acid, monochloroacetic acid, propionic acid or glycollic acid. The compositions may be used as coating agents, impregnating agents, anticreasing or antistatic agents, binders, adhesives, elasticity imparting agents, for the preparation of films, foils and threads, auxiliaries in cloth printing and paper industries, sizing agents, finishing agents for leathers, and softening and waterproofing agents for fibres.

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