|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||442/189 ; 442/334 ; 442/340 ; 442/348 ; 442/903 ; 523/205 ; 523/209|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 31 인용 특허 : 1|
The present invention is a polymer/fiber matrix used as a photographic support. The fibers are of a specific glass composition and the polymer can be polyethylene, polypropylene, polystyrene, polybutylene and copolymers thereof. The matrix preferably includes between 1% and 79% fibers with the fibers having a diameter of between 0.001 mm and 0.01 mm.
[ I claim:] [1.] A photographic support comprising: a polymer/fiber matrix including:a thermoplastic polymer;continuous glass fibers having a diameter of from 0.001 mm to 0.01 mm comprising:from about 52% to about 65% SiO.sub.2 ;from about 12% to about 25% Al.sub.2 O.sub.3 ;from about 16% to about 25% CaO;from about 0% to about 10% MgO;from about 8% to about 13% B.sub.2 O.sub.3 ;from about 0% to about 3% Na.sub.2 O;from about 0% to about 12% TiO.sub.2 ;from about 0% to about 0.4% FeO.sub.3 ;from about 0% to about 0.5% Fe.sub.2 ; anda sizing agent.