BASF patents aqueous coating
U.S. 8,128,744 B2
BASF Coating GmbH has obtained a
patent for a water-based coating composition comprised of at least one resin
composition for a water-based coating
composition, a rheological assistant
comprised of at least one polyamide,
and at least one acrylate thickener based
on polyacrylic acid or polymethacrylic
acid, wherein the mass ratio of
polyamide to acrylate thickener is 10:1
to 1.5:1 and wherein the rheological assistant is 2%-15% by weight based on
total binder solids.
Valspar patents coating for
metal substrates
U.S. 8,133,557 B2
Valspar Sourcing Inc. has obtained a
patent for a can comprised of a body
portion; and an end portion, wherein at
least one of the body and end portions
are aluminum and are coated on at least
one major surface with a coating composition comprised of a blend of two or
more polyester resins each formed by the
reaction of one or more polyacid molecules and one or more polyol molecules,
wherein the blend has between approximately 60%-90% weight polyester resin
having a Tg less than 25° C and between
about 10%-40% weight polyester resin
having a Tg greater than 50° C; 2%-
20% weight acrylate copolymer, based
on the total weight of resin solids in the
coating composition; and a crosslinker,
and wherein the coating composition is
substantially free of mobile BPA and
aromatic glycidyl ether compounds.
AkzoNobel patents primer
coating for steel
U.S. 8,128,996 B2
Akzo Nobel N.V. has received a patent
for a process for primer coating a steel
substrate comprised of coating a steel
substrate with a shop primer coating
comprised of a silica binder, the binder
is comprised of an aqueous silica sol
having a SiO2/M2O mole ratio, wherein
M represents the total of alkali metal
and ammonium ions, of at least 25:1,
drying the primer coating at a temperature of from 10° C to 60° C and, after
the primer coating has dried to the extent that it is touch dry, immersing the
coated substrate in water and/or storing
it in an atmosphere with a relative humidity of at least 50%, wherein the coating has a dry film thickness of less than
40 microns, and wherein the primer
coating optionally is comprised of alkali
metal silicate at a weight ratio of alkali
metal silicate to silica sol of less than
0.1; and, wherein the silica sol further
contains an organic resin, in an amount
of from 1% to 35% by weight, based on
solid binder, wherein the organic resin is
a latex.
Honda Motor patents method
of forming a vibration
damping paint layer
U.S. 8,128,997 B2
Honda Motor Co., Ltd. has been granted
a patent for a method of forming a vibration damping paint layer comprised
of applying an emulsion paint on a surface where the vibration damping layer
is desired, of 1˜ 5 mm thickness, the
emulsion paint is comprised of greater
than 77.0% weight of a solid portion,
40˜50% volume of pigment, and 2˜14%
volume of large sized pigment having a
diameter of 40˜100 μm, and heating the
vibration damping paint layer at a temperature lower than 140° C for less than
25 minutes.
Ecolab patents polyurethane
coating cure enhancement
U.S. 8,128,998 B2
Ecolab USA Inc. has been granted a
patent for an autohardenable
polyurethane floor coating comprised of
approximately 0.001% - 0.01% weight
ultrafine zinc oxide having an average
particle diameter or average crystallite
size of approximately 10- 200 nm to decrease the coating tack-free time and to
provide a pot life time of at least 1 hour
suitable for use as a job-site applied floor
coating having a thickness of greater
than 5 μm.
Safas patents fire resistant
sprayable coating
U.S. 8,128,999 B2
Safas Corporation has been granted a
patent for a fluid coating composition
comprised of a crosslinkable liquid resin
matrix, wherein the resin is an unsaturated polyester resin containing therein
uniformly distributed a crosslinked particulate resin granule containing an inorganic filler and visually differentiable
from the matrix resin alumina trihydrate
from 0.5%-5% by weight of the composition of an acrylate phosphate obtained
by the reaction of a phosphorus penta
oxide with hydroxy acrylates and a
crosslinking accelerator containing 0.1
to 2.5% by weight of the composition of
sodium carboxylate wherein the carboxylate moiety has from 6-22 carbon
atoms and 0.1% -2.5% of dimethyl or
diethyl acetoacetamide.
Eckart patents effect pigments
U.S. 8,129,021 B2
Eckart GmbH has received a patent for an
effect pigments with a platelet-shaped
substrate provided at least on one side
with at least one of at least one coating of
semitransparent metal and at least one
high-index coating having a refractive
index;2.0, wherein the platelet-shaped
substrate is comprised ofat least one
mixed inorganic/organic phase.
PPG patents
(meth)acrykate/aspartate
amine curatives and coatings
U.S. 8,129,026 B2
PPG Industries has been granted a patent
for a polyurea comprised of the reaction
product of a (meth)acrylate/aspartate
