Food or edible material: processes – compositions – and products – Packaged or wrapped product
Patent
1992-04-21
1993-06-15
Hoke, Veronica P.
Food or edible material: processes, compositions, and products
Packaged or wrapped product
426415, 524125, 524151, 524153, B65D 8134
Patent
active
052196003
ABSTRACT:
A molded product for colored food, comprising (A) 0.01 to 1 part by weight of a hindered amine type light stabilizer and (B) 0.01 to 0.5 part by weight of an aromatic phosphite type and/or an aromatic phosphonite type antioxidant formulated per 100 parts by weight of a polyolefin containing substantially no phenol type antioxidant is disclosed.
The molded product for colored food made of a polyolefin and having the composition of the present invention undergoes no discoloration even when contacted with a colored food for a long time and is also excellent in odor characteristic, mechanical characteristics and stability, etc., and therefore excellent as molded product for colored food, particularly sealed vessel, vessel for microwave oven heating.
REFERENCES:
patent: 4075163 (1978-02-01), Hofer et al.
patent: 4474914 (1984-10-01), Spivack
patent: 4483952 (1984-11-01), Uchiyama
patent: 4507415 (1985-03-01), Kasai et al.
patent: 4933216 (1990-06-01), Filbert et al.
D. G. Pobedimskii, et al: Developments in Polymer Stabilization-2, 125-126, G. S. Scott, ed. (1980).
Chemical Abstracts, vol. 111, 1989, Abstract No. 58982Y, Nakajima, J. et al, "Propylene polymer composition with good radiation resistance", p. 48.
World Patent Index Latest, Derwent Publications Ltd., AN 89-088866, for JP-A-01 038 457, Feb. 8, 1989.
Inoue Masaru
Kosegaki Kimiho
Mori Takashi
Onishi Akiyoshi
Tachi Kazuhisa
Hoke Veronica P.
Mitsubishi Petrochemical Co. Ltd.
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