发明名称 |
NEW 6-ARYL-6H-DIBENZO-(C,E)(1,2)-OXAPHOSPHORINES, A METHOD FOR PREPARING THEM, AND THEIR USE FOR THE STABILIZATION OF PLASTICS, IN PARTICULAR POLYOLEFIN MOULDING MATERIALS |
摘要 |
PCT No. PCT/EP91/01158 Sec. 371 Date Dec. 23, 1992 Sec. 102(e) Date Dec. 23, 1992 PCT Filed Jun. 22, 1991 PCT Pub. No. WO92/00306 PCT Pub. Date Jan. 9, 1992.A dibenzo-[c,e] [1,2] oxaphosphorine of the formula I and process of making said compound <IMAGE> (I) wherein n=1 or 2 and in which R1 is a monovalent or divalent aromatic radical wherein a Grignard compound R1(MgHal)n is reacted with 6-chloro-6H-dibenzo[c,e][1,2] oxaphosphorine. This compound optionally with phenolic antioxidants, provides stabilization in polymers. |
申请公布号 |
AU8077991(A) |
申请公布日期 |
1992.01.23 |
申请号 |
AU19910080779 |
申请日期 |
1991.06.22 |
申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
MANFRED BOHSHAR;HANS-JERG KLEINER;GERHARD PFAHLER |
分类号 |
C09K15/32;C07F9/6571;C07F9/6574;C08K5/53;C08K5/5377;C08L101/00 |
主分类号 |
C09K15/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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