Patent ID: 6107402
Filing Date: 2000-08-22
Classification: C08L,G02B

Abstract:
An optical polymer composition, consisting essentially of:a first copolymer consisting essentially of repeating units A and B, of general composition A.sub.u B.sub.v, where u and v are mole fractions;and a second copolymer consisting essentially of repeating units A and B, of general composition A.sub.x B.sub.y, where x and y are mole fractions and the value of u is different from x and the value of v is different from y;A and B being different repeating units each selected from the group consisting of the repeating units of polyarylenesulfide, polyhaloarylenesulfide, polysulfone, modified polysulfones, polyhalosulfone, modified polyhalosulfones, polysulfonate, modified polysulfonates, polyhalosulfonate, modified polyhalosulfonates, polycarbonate, polyhalocarbonate, polyhaloacrylate, polyarylene ether, polyhaloarylene ether, polyester, polyhaloester, polyethylene, polypropylene, polybutylene, polyhaloolefin, polyvinylhalide, polyoxole, polyhalooxole, polydioxole, polyhalodioxole, polythiol, polyhalothiol, polydithiol, polyhalodithiol, polyoxolane, polyhalooxolane, polydioxolane, polyhalodioxolane, polythiolane, polyhalothiolane, polydithiolane, polyhalodithiolane, polyimide, modified polyimides, polyhaloimide, modified polyhaloimide, polyamide, polyhaloamide, modified polyamides, modified haloamides, polystyrene, polyhalostyrene, polysiloxane, polyhalosiloxane, polysilane, polyhalosilane, polymaleimide, polybismaleimide, polyhalomaleimide, polyphosphazene, polyhalophosphazene, polyphosphonate and polyhalophosphonate; andthe halogenated repeating units having the hydrogens of the C--H, O--H, S--H or N--H bonds partially or fully substituted by fluoride (F) or chloride (Cl).