Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Patent
1988-06-13
1990-07-17
Thurlow, Jeffery
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
2642106, 2642107, 2642108, 264211, 264216, 2642888, 2642902, 2642905, 264537, 264540, 264DIG47, B29C 4130, B29C 4702, B29C 4908, B32B 326
Patent
active
049420054
ABSTRACT:
Disclosed is a method of making shaped articles including a continuous polyester phase having dispersed therein microbeads of cellulose acetate which are at least partially bordered by void space, the microbeads of cellulose acetate being present in an amount of about 10-30% by weight based on the weight of said polyester, said void space occupying about 2-50% by volume of said shaped article. Articles made by this method have excellent physical properties, especially optical properties, and are useful in such applications as paper substitutes, for example.
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Krutak James J.
Pollock Mark A.
Stowell William J.
Eastman Kodak Company
Heath, Jr. William P.
Stevens John F.
Thurlow Jeffery
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