THE EFFECT OF POLYMER ADDITIVES ON THE PERFORMANCE OF A 2-ROLL COATER

被引：8

作者：

KANG, YT ^{[1
]}

LEE, KY ^{[1
]}

LIU, TJ ^{[1
]}

机构：

[1] NATL TSING HUA UNIV,DEPT CHEM ENGN,HSINCHU 30043,TAIWAN

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 1991年 / 43卷 / 06期

关键词：

D O I：

10.1002/app.1991.070430620

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The effect of polymer additives on the performance of a two-roll coater has been examined experimentally. The coater consists of a rigid steel roll and a deformable roll with polyurethane surface. Newtonian coating solutions and solutions with polymer additives were used as test fluids. Both forward and reverse coating operations were studied. It was found that for the forward coating operation, the shear-thinning behavior of the polymer solutions can reduce the coating thickness, but the fluid elasticity can increase the coating thickness significantly and can also destabilize the coating flow. For the reverse coating operation, a small amount of polymer additives can effectively increase the wipe ratio.

引用

页码：1187 / 1195

页数：9

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