Skip to main content
OSTI.GOVU.S. Department of Energy Office of Scientific and Technical Information
U.S. Department of Energy
Office of Scientific and Technical Information
 

Method of bonding functional surface materials to substrates and applications in microtechnology and antifouling

Patent ·
OSTI ID:872727
 [1];  [1];  [2]
  1. West Richland, WA
  2. Richland, WA
+ Show Author Affiliations

A simple and effective method to bond a thin coating of poly(N-isopropylacylamide) (NIPAAm) on a glass surface by UV photopolymerization, and the use of such a coated surface in nano and micro technology applications. A silane coupling agent with a dithiocarbamate group is provided as a photosensitizer, preferably, (N,N'-diethylamine)dithiocarbamoylpropyl-(trimethoxy)silane (DATMS). The thiocarbamate group of the sensitizer is then bonded to the glass surface by coupling the silane agent with the hydroxyl groups on the glass surface. The modified surface is then exposed to a solution of NIPAAm and a crosslinking agent which may be any organic molecule having an acrylamide group and at least two double bonds in its structure, such as N,N'-methylenebisacrylamide, and a polar solvent which may be any polar liquid which will dissolve the monomer and the crosslinking agent such as acetone, water, ethanol, or combinations thereof. By exposing the glass surface to a UV light, free radicals are generated in the thiocarbamate group which then bonds to the crosslinking agent and the NIPAAm. Upon bonding, the crosslinking agent and the NIPAAm polymerize to form a thin coating of PNIPAAm bonded to the glass. Depending upon the particular configuration of the glass, the properties of the PNIPAAm allow applications in micro and nano technology.

Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA
DOE Contract Number:
AC06-76RL01830
Assignee:
Battelle Memorial Institute (Richland, WA)
Patent Number(s):
US 5997961
OSTI ID:
872727
Country of Publication:
United States
Language:
English

References (2)

Silane coupling agent having dithiocarbamate group for photografting of sodium styrene sulfonate on glass surface journal July 1993
Silane Coupling Agents for Photografting of Vinyl Monomer. Preparation and Properties of (N,N-Diethylamino)dithiocarbamoylpropyl(trimethoxy)silane journal July 1992

Similar Records

Related Subjects

-diethylamine
-methylenebisacrylamide
/427/
acetone
acrylamide
agent
allow
antifouling
applications
bond
bonded
bonding
bonding functional
bonds
coated
coated surface
coating
combinations
configuration
coupling
coupling agent
crosslinking
crosslinking agent
datms
depending
dissolve
dithiocarbamate
dithiocarbamoylpropyl-
double
double bond
double bonds
effective
effective method
ethanol
exposed
exposing
form
free
free radical
free radicals
functional
functional surface
generated
glass
glass surface
hydroxyl
light
linking agent
liquid
materials
method
micro
microtechnology
modified
modified surface
molecule
monomer
n-isopropylacylamide
nano
nipaam
organic
organic molecule
particular
particular configuration
photopolymerization
photosensitizer
pnipaam
polar
polar solvent
poly
polymerize
preferably
properties
provided
radicals
sensitizer
silane
simple
solution
solvent
structure
substrates
surface
surface material
surface materials
technology
thiocarbamate
trimethoxy
water