Process for preparing molded articles of hydrolyzed ethylene-vin

Details Process for preparing molded articles of hydrolyzed ethylene-vin Process for preparing molded articles of hydrolyzed ethylene-vin

1992-06-22

1994-08-16

Timm, Catherine

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264349, 264544, 525 57, 525197, B29C 5102

Patent

active

053385020

ABSTRACT:
A process for preparing a molded article of a hydrolyzed ethylene-vinyl acetate copolymer which includes separately melting each of a hydrolyzed ethylene-vinyl acetate copolymer and a polyolefin, admixing the melted copolymer with the melted polyolefin in a weight ratio of the hydrolyzed ethylene-vinyl acetate copolymer to the polyolefin of 30/70 to 70/30 and molding the mixture, according to which the molded article having improved flex-crack resistance, stretchability and thermoformability can be obtained with minimized deterioration of gas-impermeability.

REFERENCES:
patent: 3342901 (1967-09-01), Kosinsky et al.
patent: 3975463 (1976-08-01), Hirata et al.
patent: 4547541 (1985-10-01), Golba, Jr.

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