发明名称 |
PROCESS FOR IMPROVING COLOR OF POLYCONDENSATES |
摘要 |
<p>The present invention relates to a process of preparing a polycondensate in the presence of a fluorescent whitening agent and at least one phosphonate, and/or phosphinate. Further aspects of the invention are a polyester prepared according to this process and composition comprising a polycondensate, a fluorescent whitening agent and at least one phosphonate and/or phosphinate. Yet another aspect is the use of a fluorescent whitening agent and at least one phosphonate and/or phosphinate for improving the color of a polycondensate.</p> |
申请公布号 |
WO2005030857(A1) |
申请公布日期 |
2005.04.07 |
申请号 |
WO2004EP52218 |
申请日期 |
2004.09.17 |
申请人 |
CIBA SPECIALTY CHEMICALS HOLDING INC.;SIMON, DIRK;ERGENC, NADI |
发明人 |
SIMON, DIRK;ERGENC, NADI |
分类号 |
C08G63/80;C08G63/00;C08G63/78;C08K5/5313;C08K5/5317;C08L67/00;(IPC1-7):C08K5/531;C08K5/531 |
主分类号 |
C08G63/80 |
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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