Resin composition for lens based materials

Details Resin composition for lens based materials Resin composition for lens based materials

1994-06-22

1995-09-12

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524912, C08K 550

Patent

active

054497094

ABSTRACT:
An antistatic resin composition is herein disclosed which comprises (A) 100 parts by weight of a methyl methacrylate-styrene copolymer resin, (B) 0.3 to 3 parts by weight of a phosphonium sulfonate, and if necessary, (C) 0.3 to 3 parts by weight of an aliphatic or an aromatic ester having 6 to 34 carbon atoms. Furthermore, a resin composition further containing a light diffuser can be applied to a Fresnel lens sheet or a light cover sheet.
The above resin composition is excellent in appearance properties, optical properties such as a total light transmittance, which is usually 88% or more, antistatic properties such as the prevention of dust adhesion and transparency without the deterioration of mechanical properties.

REFERENCES:
patent: 4005057 (1977-01-01), Singh et al.

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