Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Layered – stratified traversely of length – or multiphase...
Patent
1989-04-06
1990-04-24
Thurlow, Jeffery
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Layered, stratified traversely of length, or multiphase...
2642102, 2642106, 2642107, 264280, 26433121, 264349, B29C 4780
Patent
active
049198750
ABSTRACT:
A process for the preparation of oriented polymeric tape of a blend of copolyetherester and polyethylene terephthalate, by blending the components at a temperature above the higher crystalline melting point of the two polymeric components for a minimum melt residence time.
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E. I. Du Pont de Nemours and Company
Huntley Donald W.
Thurlow Jeffery
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