Porous alumina and partially calcined polysiloxane particles in

Details Porous alumina and partially calcined polysiloxane particles in Porous alumina and partially calcined polysiloxane particles in

1998-03-30

2000-05-09

Krynski, William

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428328, 428331, 428327, 428143, 428145, B32B 516

Patent

active

060601566

ABSTRACT:
An orientated polyester film coated on at least one surface with a coating that improves its antiblocking properties is disclosed. The coating contains an organic polymer and about 0.002% to 1.5% by weight, based on the weight of the coating, of porous particles that have a pore volume of at least 0.03 mL/g and a particle size of about 0.5 .mu.m to 4.5 .mu.m.

REFERENCES:
patent: 4605591 (1986-08-01), Nose et al.
patent: 4801487 (1989-01-01), Kalus et al.
patent: 5047278 (1991-09-01), Ono et al.
patent: 5520993 (1996-05-01), Lambert

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