Hydrophilic surface modification of polydimethylsiloxane

Details Hydrophilic surface modification of polydimethylsiloxane Hydrophilic surface modification of polydimethylsiloxane

Filed on

2009-09-01

Date issued

2011-11-08

Examiner

Zimmer, Marc (Department: 1766)

Patent Class

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

SubClass

Synthetic resins

SubSubClass

Treating polymer containing material or treating a solid...

Other Related Categories

C528S031000, C528S032000, C524S268000, C524S588000, C525S477000, C525S478000

Type

Reexamination Certificate

Status

active

Patent number

08053548

Description

ABSTRACT:
A method for the preparation of hydrophilic elastomers involves the synthesis of polydimethylsiloxane with tunable hydrophilic surface properties. An elastomeric monolith with desired hydrophilic properties is produced by combining a polyethylene oxide polymeric surfactant additive with a PDMS base and curing agent during polymerization. The surfactant chain segment lengths are varied to control the hydrophobic/hydrophilic balance.

REFERENCES:
patent: 2009/0316417 (2009-12-01), Chari et al.
Dow Corning Corporation MSDS for SYLGARD 184 Silicone Elastomer Base and SYLGARD 184 Silicone Elastomer Curing Agent, DOW Corning Corporation, 2005.

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