Process for the production of imido-isocyanates
    1.
    发明授权
    Process for the production of imido-isocyanates 失效
    生产伊马替异氰酸酯的方法

    公开(公告)号:US3875183A

    公开(公告)日:1975-04-01

    申请号:US17423871

    申请日:1971-08-23

    CPC classification number: C07D209/78 C08G18/78 C08G18/8048

    Abstract: This application relates to a novel process for producing imidoisocyanates by reacting an anhydride of a polycarboxylic acid and an aromatic polyisocyanate in the presence of a catalyst combination consisting of a certain phosphorus or boron compound and a dialkyl sulfoxide. In a preferred embodiment of this invention (when the anhydride is a halogenated anhydride), the imido isocyanates are novel compositions of matter which are useful as components of polyurethane-forming formulations that can be cured by conventional amine and tin catalysts to produce flame-resistant polyurethane foams.

    Abstract translation: 本申请涉及通过在由某种磷或硼化合物和二烷基亚砜组成的催化剂组合的存在下使多元羧酸的酸酐与芳族多异氰酸酯反应制备亚氨基异氰酸酯的新方法。 在本发明的优选实施方案中(当酸酐是卤代酸酐时),酰亚胺异氰酸酯是可用作聚氨酯形成配方的组分的新型组合物,其可以通过常规胺和锡催化剂固化以产生耐火 聚氨酯泡沫。

    N-(2-hydroxyethyl)-ethyleneimines as catalysts for polyisocyanurate foam formation
    2.
    发明授权
    N-(2-hydroxyethyl)-ethyleneimines as catalysts for polyisocyanurate foam formation 失效
    N-(2-羟基乙基) - 乙烯胺作为多异氰酸酯泡沫形成的催化剂

    公开(公告)号:US3872035A

    公开(公告)日:1975-03-18

    申请号:US35058873

    申请日:1973-04-12

    CPC classification number: C08G18/022 Y10S521/902

    Abstract: A catalytic process for producing isocyanurate compounds from isocyanates is disclosed. The catalyst is N-(2-hydroxyethyl)ethyleneimine. The isocyanate can be a monoisocyanate, a polyisocyanate or a polymeric isocyanate. The isocyanurates are known compounds having known uses. The foamed isocyanurate polymers have the same utilities known for the foamed urethane polymers.

    Abstract translation: 公开了从异氰酸酯制备异氰脲酸酯化合物的催化方法。 催化剂是N-(2-羟乙基) - 乙烯亚胺。 异氰酸酯可以是单异氰酸酯,多异氰酸酯或聚合异氰酸酯。 异氰脲酸酯是具有已知用途的已知化合物。 发泡异氰脲酸酯聚合物具有与发泡聚氨酯聚合物相同的用途。

    METHYL FORMATE AS AN ADJUVANT IN PHENOLIC FOAM FORMATION

    公开(公告)号:CA1067250A

    公开(公告)日:1979-11-27

    申请号:CA260149

    申请日:1976-08-30

    Inventor: PAPA ANTHONY J

    Abstract: This invention relates to the use of methyl formate as an adjuvant in the formation of phenolic foam. The addition of methyl formate to phenol-aldehyde resoles caused a substantial reduction in resole viscosity and thus allows for the processing of resoles which are otherwise too viscous to be foamed. A further advantage of methyl formate as an adjuvant in the formation of phenolic foam is that it also functions as a blowing agent. In its use as a blowing agent, methyl formate is employed in combination with 1,1,2-trichloro-1,2,2-trifluoroethane. Depending upon the nature of the phenolic foaming resin, the use of methyl formate in combination with 1,1,2-trichloro-1,2,2-trifluoroethane as the source of blowing action further provides the advantageous result of allowing for the formation of a phenolic foam of reduced friability.

    PROCESS FOR PRODUCING MIXTURES OF KETONES AND ALDEHYDES

    公开(公告)号:CA1318677C

    公开(公告)日:1993-06-01

    申请号:CA587000

    申请日:1988-12-23

    Abstract: PROCESS FOR PRODUCING MIXTURES OF KETONES AND ALDEHYDES of the Invention A hydrocarbonylation process for producing an aldehyde or a mixture of a ketone and an aldehyde which comprises: (I) forming a reaction mixture comprising: (a) a catalytic amount of a complex catalyst consisting essentially of rhodium in complex combination with: (i) a triorganophosphine, and (ii) a carboxylic acid having a phenyl group substituted at the para position with a non-reactive electron-withdrawing group, said phenyl group being free of further substitution amd said electron withdrawing group being substantially non-reactive in said process; (b) an alpha-olefin having 2 to 5 carbon atoms, (c) carbon monixide, and (d) hydrogen with the proviso that the reaction mixture has mole ratio of said carboxylic acid to rhodium of at least about 2; and (II) maintaining the reaction mixture at a temperature and pressure at which said (b), (c) and (d) react to form an aldehyde or a mixture of an aldehyde and a ketone.

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