Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Patent
1997-08-29
2000-03-28
Thibodeau, Paul
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
428142, 428421, 428422, 428920, 428921, B32B 310, B32B 2700, B32B 1710
Patent
active
060429283
ABSTRACT:
A fluorocarbon resin sheet having a fluorine content of at least 55% and a melting point of from 60 to 220.degree. C., made solely of a polymer comprising at least one fluorine-containing monomer, or made of a blend of such a polymer with other polymer, which has a total light transmittance of at least 80% and a tensile modulus of elasticity within a range of from 1.times.10.sup.7 to 4.times.10.sup.9 Pa within an entire measuring temperature range of from 0 to 30.degree. C., wherein the surface of the resin sheet is embossed to have a center line average roughness Ra of from 0.05 to 2.0 .mu.m and a number of peaks Pc of from 5 to 500 peaks/8 mm.
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Nakamura Kenji
Suzuki Takanobu
Watanabe Eichi
Mitsubishi Plastics Inc.
Thibodeau Paul
Zacharia Ramsey
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