Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1997-01-03
1998-03-10
Acquah, Samuel A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528272, 528300, 528302, 528307, 528308, 5283086, 428221, 428333, 428354, 428409, B32B 516, B32B 712, C08G 6302
Patent
active
057262837
ABSTRACT:
A conductive polyester sheet having three layers, comprising one substrate layer and two surface layers, laminated together by co-extrusion is provided. All the three layers are made from polyester and/or copolyester, and the surface layers further contain carbon black and thus are useful as conductive layers. The sheet has a surface conductivity of not more than 10.sup.8 ohms and the flow index of the material for the conductive layers during the extrusion step is not lower than 60 g/min (loading, 2160 g; temperature, 275.degree. C.).
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Hong Shung Mine
Hsu Yuan Hwey
Pan Rong Shiun
Tsai Tsan Hung
Wei Jen Hao
Acquah Samuel A.
Far Eastern Textile, LTD.
Klein David I.
Lee Jun Y.
Rosenberg Morton J.
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