Method for controlling surface concentration of a polymer additi

Details Method for controlling surface concentration of a polymer additi Method for controlling surface concentration of a polymer additi

1996-11-12

1999-10-05

Dawson, Robert

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

26433112, 264337, 264338, 524267, 524464, C08J 554

Patent

active

059625635

ABSTRACT:
The surface free energy of a polymer blend where a base polymer contains an additive having a different surface free energy than that of the base polymer can be controlled over a wide range of additive surface concentrations by appropriate choice of the mold surface free energy during fabrication. A high surface concentration of additive relative to a low bulk concentration can be achieved, leading to improved biocompatibility without loss of optical clarity.

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