发明名称 |
DEINKING AGENT FOR REGENERATING WASTE PAPER AND METHOD FOR DEINKING WASTE PAPER |
摘要 |
<p>A deinking agent for regenerating waste paper is provided, which can efficiently remove ink particles from the pulp fiber and obtain the regenerated pulp having a high brightness degree and a low content of residual ink. The deinking agent for regenerating waste paper comprises an enzyme and a compound represented by the general formula; R1O - (PO)x - ¢(EO)y - (AO)z! - H (wherein R1 represents alkyl group or alkenyl group having 824 normal or branched chain carbon atoms; PO represents propylene oxide unit; EO represents ethylene oxide unit; AO represents alkylene oxide unit having not less than 3 carbon atoms; x and z represent respectively an integer of not less than 1 and satisfy the following formula, 10 ? x+z ? 100; y is an integer satisfying the following formula, 10 ? y ? 100; PO is added in the form of block configuration; and EO and AO are added in the form of block or random configuration).</p> |
申请公布号 |
CA2184458(A1) |
申请公布日期 |
1997.06.21 |
申请号 |
CA19962184458 |
申请日期 |
1996.08.29 |
申请人 |
LION CORPORATION |
发明人 |
EGAWA, JUNTA;TAKUBO, YOKO;MASAMIZU, KOHJI |
分类号 |
D21C5/00;D21C5/02;(IPC1-7):D21C5/02 |
主分类号 |
D21C5/00 |
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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