Coated polycarbonate and method for making the same

Details Coated polycarbonate and method for making the same Coated polycarbonate and method for making the same

1994-12-08

1996-09-10

Buttner, David

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525464, 428412, C08G 6414

Patent

active

055547028

ABSTRACT:
A polymeric coupling agent for chemically linking a scratch resistant coating composition to a polycarbonate substrate is disclosed. The agent is a product of the reaction between polycarbonate and 3-glycidoxypropyltrimethoxysilane (GPS) in the presence of a quaternary ammonium salt. The reaction in the solid state produces a GPS-modified polycarbonate having a bimodal molecular weight distribution which is effective in promoting the adhesion of a scratch resistant coating to a polycarbonate substrate.

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