Treatment of rosin with an aryl thiol
    32.
    发明授权
    Treatment of rosin with an aryl thiol 失效
    用ARYL THIOL治疗罗辛

    公开(公告)号:US3649612A

    公开(公告)日:1972-03-14

    申请号:US3649612D

    申请日:1970-04-20

    申请人: ARIZONA CHEM

    IPC分类号: C09F1/04

    CPC分类号: C09F1/04

    摘要: ROSIN IS DISPROPORTIONATED AND BLEACHED BY HEATING AT TEMPERATURES OF ABOUT 180-350*C., AND FOR A TIME SUFFICIENT TO REDUCE THE ABIETIC ACID CONTENT TO LESS THAN 15%, IN THE PRESENCE OF 0.01-1% OF AN ARYLTHIOL.