Encapsulated chemical product
    8.
    发明授权
    Encapsulated chemical product 失效
    封装化学品

    公开(公告)号:US3556881A

    公开(公告)日:1971-01-19

    申请号:US3556881D

    申请日:1962-03-01

    CPC分类号: C08L65/04 C06B29/00 C06B45/32

    摘要: 1. SOLID PARTICULATE NITRONIUM PERCHLORATE HAVING AS AN INNER COATING CONTACTING THE SURFACE OF THE PARTICLES, A CONTINUOUS COATING SURROUNDING AND ENCAPSULATING SAID PARTICLE OF A SOLVENT-RESISTANT, MOISTURE-IMPERMEABLE LINEAR POLYMER HAVING THE REPEATING UNIT

    -CH2-((Y)X-1,4-PHENYLENE)-CH2-

    WHEREIN Y IS AN ELECTRON WITHDRAWING SUBSTITUENT GROUP HAVING A POSITIVE SIGMA PARA VALUE OF AT LEAST 0.20, X IS AN INTEGER FROM 1 TO 3, INCLUSIVE, AND THE SUM OF THE SIGMA PARA VALUE OF ALL OF THE SUBSTITUENT Y GROUPS IS AT LEAST 0.40.