发明名称 |
PROCESSO PARA FABRICAÇÃO DE PRODUTOS DE PAPEL E PAPELÃO |
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. |
申请公布号 |
BRPI0716321(A2) |
申请公布日期 |
2014.02.25 |
申请号 |
BR2007PI16321 |
申请日期 |
2007.10.30 |
申请人 |
INTERNATIONAL PAPER COMPANY |
发明人 |
BENNY J. SKAGGS;CHRIS WILSON |
分类号 |
D21H21/30 |
主分类号 |
D21H21/30 |
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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