Elastomeric polyurethanes from polycarbonates
    12.
    发明授权
    Elastomeric polyurethanes from polycarbonates 失效
    来自聚碳酸酯的弹性聚氨酯

    公开(公告)号:US3639354A

    公开(公告)日:1972-02-01

    申请号:US3639354D

    申请日:1968-02-23

    Applicant: BAYER AG

    CPC classification number: C08G18/44

    Abstract: POLYURETHANES PREPARED BY REACTING DIISOCYANATES, LOW MOLECULAR WEIGHT COMPOUNDS CONTAINING AT LEAST TWO HYDROGEN ATOMS WHICH ARE REACTIVE WITH ISOCYANATES AND HIGHER MOLECULAR WEIGHT, LINEAR HYDROXYL-CONTAINING POLYCARBONATES BASED ON 1,6-HEXANEDIOL AND AN ALKOXYLATED 1,6-HEXANEDIOL OF THE FORMULA

    HO-(CH2)6-O-CH(-R)-CH2-OH

    WHEREIN R IS HYDROGEN OR CH3.

Patent Agency Ranking