发明名称 |
Method for increasing brightness in pulp paper and polymeric materials |
摘要 |
Novel substantially odor-free polymeric thiol-containing antioxidant compounds suitable for preventing light induced brightness reversion or yellowing of pulps and papers and polymeric materials are described. The novel compounds are based on a polymeric backbone having thiolactate or thioglycolate groups grafted onto the ends thereof and are soluble in water or alcohol.
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申请公布号 |
US6030495(A) |
申请公布日期 |
2000.02.29 |
申请号 |
US19970946793 |
申请日期 |
1997.10.08 |
申请人 |
QUEENS'S UNIVERSITY AT KINGSTON |
发明人 |
WAN, JEFFREY K. S.;DEPEW, M. CATHERINE |
分类号 |
C08G65/332;C08G65/334;C08L71/02;D21C9/10;D21H21/14;(IPC1-7):D21H17/09 |
主分类号 |
C08G65/332 |
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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