Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Patent
1996-03-08
1998-07-21
Chen, Vivian
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
428480, 428694SG, B32B 500, B32B 2708, B32B 2736
Patent
active
057832838
ABSTRACT:
A multilayer film is provided with a slippery surface layer by crystallization in an underlying layer which results in the deformation of an overlying surface layer without the use of particulate slip agents. The films may be formed by alternating layers of a naphthalene dicarboxylic acid polyester and a terephthalic acid polyester.
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Carter Brandt K.
Israel Sheldon J.
Klein James A.
Lucking Raymond L.
Chen Vivian
Fortkort John A.
Minnesota Mining and Manufacturing Company
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