Patent Number: 6,251,510

Title: Propylene resin sheet for thermoforming and process for preparing it

Abstract: There is provided a process for preparing a resin sheet for thermoforming which can be fabricated into containers and lids or caps for containers in the food packaging industries, particularly those which are resistant to heating in a microwave oven, which containers and lids or caps are excellent in transparency, antifog property, impact resistance, and heat resistance are obtained. A process for preparing an antifogged sheet comprising a propylene resin sheet with an antifogging agent comprising a polyglycerol fatty acid ester or a sucrose fatty acid ester as an effective ingredient.

Inventors: Nagaoka; Yoshinobu (Yokkaichi, JP), Egashira; Akihiko (Yokkaichi, JP), Fujimura; Kazumasa (Yokkaichi, JP), Hasegawa; Toshimitsu (Yokkaichi, JP), Hirose; Tomokazu (Yokohama, JP), Kuzui; Hiroshi (Yokohama, JP), Tagawa; Toru (Yokohama, JP)

Assignee: Japan Polychem Corporation

International Classification: B29C 51/00 (20060101); B32B 27/32 (20060101); B32B 007/02 (); B32B 027/08 (); B05D 003/08 (); B05D 003/02 ()

Expiration Date: 06/26/2018