Biaxially oriented, white flame-retardant polyester film

Details Biaxially oriented, white flame-retardant polyester film Biaxially oriented, white flame-retardant polyester film

2006-12-05

2006-12-05

Boykin, Terressa (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

C264S176100, C264S219000, C428S423700, C428S430000, C428S431000, C524S115000, C524S138000, C524S148000, C528S271000

Reexamination Certificate

active

07144973

ABSTRACT:
The biaxially oriented, white polyester film of the present invention having improved flame-retardancy, covering ability, flexibility and heat-resistance comprises a polyester resin having an intrinsic viscosity of 0.4 to 0.9 dl/g, a flame-retardant which is alkylene bistetrabromophthalimide or decabromodiphenylalkane, and a fluorescent whitening agent, said polyester film being biaxially drawn at a total draw ratio of 9 or more.

REFERENCES:
patent: 5403879 (1995-04-01), Kim et al.
patent: 2003/0049472 (2003-03-01), Murschall et al.
patent: 2004/0198878 (2004-10-01), Kakegawa et al.

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