发明名称 |
Process for manufacturing paper and paperboard products |
摘要 |
The present invention relates to a process for applying optical brightening agent (OBA) to a sheet of paper or paperboard substrate. The process comprises applying the composition comprising a cooked starch and a powdered optical brightener to at least one surface of a paper or paperboard substrate at the size press in a paper or paperboard manufacturing process to form a sized paper or paperboard substrate; and drying the sized paper or paperboard substrate to form a dried sized paper or paperboard substrate.
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申请公布号 |
US7381300(B2) |
申请公布日期 |
2008.06.03 |
申请号 |
US20060590317 |
申请日期 |
2006.10.31 |
申请人 |
INTERNATIONAL PAPER COMPANY |
发明人 |
SKAGGS BENNY J;WILSON CHRIS |
分类号 |
D21H19/12;C09D103/02;C09D103/08;C09D103/10;D21H19/42;D21H19/54 |
主分类号 |
D21H19/12 |
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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