Alkyl sulfide terminated oligomers
    1.
    发明授权
    Alkyl sulfide terminated oligomers 失效
    阿尔金硫化物终止低聚物

    公开(公告)号:US3839405A

    公开(公告)日:1974-10-01

    申请号:US909770

    申请日:1970-02-09

    Applicant: UNIROYAL INC

    Inventor: DANNALS L

    Abstract: 1. AN OLIGOMER HAVING THE FORMULA:

    R-S-(CH(-R1)-C(-X)(-R2))A-(CH(-R3)-C(-Y)(-R4))B-H

    WHEREIN R IS A STRAIGHT OR BRANCHED CHAIN PRIMARY, SECONDARY OR TERTIARY ALKYL GROUP HAVING FROM 5 TO 20 CARBON ATOMS; R1 AND R3 ARE HYDROGEN, METHYL, ETHYL OR -COOH; R2 AND R3 ARE HYDROGEN, METHYL, ETHYL, -COOH OR CH2COOH; Y IS A STRONGLY POLAR GROUP SELECTED FROM THE GROUP CONSISTING OF -COOH, -CONH2, -OCH3, -OCH2H5 AND -CH2OH; X IS A DIFFERENT POLAR GROUP SELECTED FROM THE GROUP CONSISTING OF THE FOREGOING STRONGLY POLAR GROUPS AND -COOC2H4OH, -COOC3H6OH, -CONHCH2OH, -CONHCH3, -CONHC2H5, -CONHC3H7, -COOCH3, -COOC2H5, -CN, -OOCCH3 AND -OOCC2H5; A+B IS FROM 2 TO 50; AND

    A/A+B

    IS FROM 0.05 TO 0.6; AND WHERE THE OLIGOMER HAS AT LEAST ONE CARBOXYLIC ACID GROUP, THE SAID GROUP MAY BE IN THE FORM OF THE FREE ACID OR THE ALKALINE SALT THEREOF.

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