发明名称 |
Starch blends useful as external paper sizes. |
摘要 |
<p>This invention presents a series of blends of ASA-treated and cationic starches for use as external sizes of paper and paperboard products. The blends contain at least 30% (by wt) of the ASA-treated starch, which is a monoester of the starch and an alkyl or alkenyl succinate and, optionally, from about 0.5 to about 5% (by weight based on the starch) of an Al<3><+> salt.</p> |
申请公布号 |
EP0350668(A2) |
申请公布日期 |
1990.01.17 |
申请号 |
EP19890111224 |
申请日期 |
1989.06.20 |
申请人 |
NATIONAL STARCH AND CHEMICAL CORPORATION |
发明人 |
MALICZYSZYN, WALTER;HERNANDEZ, HENRY R. |
分类号 |
D21H19/10;D21H17/15;D21H17/28;D21H17/29;D21H19/54 |
主分类号 |
D21H19/10 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|