Polycarbonate composition useful in optical storage applications

Details Polycarbonate composition useful in optical storage applications Polycarbonate composition useful in optical storage applications

1999-03-17

2000-05-30

Boykin, Terressa M.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528196, C08G 6400

Patent

active

060692251

ABSTRACT:
A thermoplastic polycarbonate composition suitable for the preparation of optical storage devices, for instance optical discs, is disclosed. The composition, containing a stabilizing amount of partially fatty acid ester and as a stabilizer, a compound the structure of which contains at least one benzofuran-2-one group per molecule, features improved resistance to yellowing, reduced haze and high total light transmission values.

REFERENCES:
patent: 4325863 (1982-04-01), Hinsken et al.
patent: 4338244 (1982-07-01), Hinsken et al.
patent: 4670479 (1987-06-01), Miyauchi
patent: 5175312 (1992-12-01), Dubs et al.
patent: 5607624 (1997-03-01), Nesvadba et al.

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