<td id="qrl47"></td>

<td id="qrl47"><ruby id="qrl47"></ruby></td>

<td id="qrl47"></td>

  1. <track id="qrl47"></track><acronym id="qrl47"><strong id="qrl47"></strong></acronym>

  2. sell 4,4'-(4,4'-Isopropylidenediphenoxy)bis(phthalic anhydride)

    4,4'-(4,4'-Isopropylidenediphenoxy)bis(phthalic anhydride) be used for the preparation of a polyimide material.

    4,4'-(4,4'-Isopropylidenediphenoxy)bis(phthalic anhydride)

    Synonyms:5,5'-[2,2-Propanediylbis(4,1-phenyleneoxy)]bis(2-benzofuran-1,3-dione); BPADA

    Molecular Formula:C31H20O8

    Molecular Weight:520.49

    CAS Registry Number:38103-06-9

    EINECS:253-781-7

    Melting point:184-187 oC

    Purity:99%

    4,4'-(4,4'-Isopropylidenediphenoxy)bis(phthalic anhydride) be used for the preparation of a polyimide material.


    无码不卡中文字幕在线视频