发明名称 |
Process for the preparation of aromatic polyesters |
摘要 |
An improved process for the preparation of aromatic polyesters, whereby dialkyl esters of aromatic dicarboxylic acids are melt-polymerized with aromatic bisphenol to furnish an amorphous poly(arylester) prepolymer. The amorphous poly(arylester) prepolymer is crystallized, separated, and dried to provide a crystallized poly(arylester) prepolymer, which is heated to yield the aromatic polyester.
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申请公布号 |
US5714567(A) |
申请公布日期 |
1998.02.03 |
申请号 |
US19960602023 |
申请日期 |
1996.02.15 |
申请人 |
COUNCIL OF SCIENTIFIC & IND. RESEARCH |
发明人 |
IDAGE, BHASKAR BHAIRAVNATH;MAHAJAN, SUDHAKAR SADASHIV;SIVARAM, SWAMINATHAN |
分类号 |
C08G63/19;C08G63/80;C08G63/88;(IPC1-7):C08G63/00 |
主分类号 |
C08G63/19 |
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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