Abstract: A method of continuously devolatilizing a liquefied material utilizing an extruder having a barrel in which is disposed a plurality of continuously driven intermeshing conveying screws that continuously advance a flow of the liquefied material from an extruder inlet to an extruder outlet. The material contains 10-60 percent gaseous volatiles. Heat is introduced from an external source into the flow of liquefied material to progressively increase the temperature of the liquefied material being advanced, for promoting the separation of volatiles therefrom. Separated gaseous volatiles are vented through vapor escape ports formed in the extruder barrel, with the linear vapor velocity of the escaping volatiles not exceeding about 10-15 f/sec to avoid the venting of appreciable amounts of liquefied material along with the gaseous volatiles.

Abstract: A process for separating a solvent and low molecular weight material from an acrylic resin by adding a hindered amine light stabilizer having at least one aminoether group to a mixture of the organic solvent, low molecular weight material and the acrylic resin and subjecting the resulting mixture to an elevated temperature for a time sufficient to remove the solvent and low molecular weight material from the acrylic resin by devolatilization. A composition can be provided which is capable of being formed into a powder coating composition which essentially contains an acrylic resin, a hindered amine light stabilizer having at least one aminoether group or residue thereof and less than 4% by weight of low molecular weight material having a molecular weight less than 600.

Abstract: A graft copolymer comprising a polyamide to which is grafted a glycidyl group-containing acrylate copolymer. The graft copolymer can be prepared by dispersing in an organic solvent a polyamide and a material which will react with the polyamide to form the graft copolymer of the polyamide and the acrylate copolymer and reacting the polyamide and the material so as to form said graft copolymer. The graft copolymer can exhibit improved toughness and reduced friability and can be used to form molded articles and in coating compositions, especially powder coating compositions. The coatings can exhibit transparency, reduced brittleness and increased chip resistance. The powder coatings can further exhibit high gloss and smoothness due to superior flow characteristics thereby enabling thinner coatings to be used that provide acceptable appearance.

Abstract: A process for separating a solvent and low molecular weight material from an acrylic resin by adding a hindered amine light stabilizer having at least one aminoether group to a mixture of the organic solvent, low molecular weight material and the acrylic resin and subjecting the resulting mixture to an elevated temperature for a time sufficient to remove the solvent and low molecular weight material from the acrylic resin by devolatilization. A composition can be provided which is capable of being formed into a powder coating composition which essentially contains an acrylic resin, a hindered amine light stabilizer having at least one aminoether group or residue thereof and less than 4% by weight of low molecular weight material having a molecular weight less than 600.

Abstract: A low gloss coating composition having a 60.degree. gloss of less than about 60 which contains:a) a glycidyl group-containing acrylic copolymer;b) an aromatic polyester; andc) an isocyanurate curing agent having the formula: ##STR1## wherein R.sub.1 -R.sub.3 are independently selected from the group consisting of divalent alkylene groups of 1 to 18 carbon atoms and divalent groups of 3 to 21 carbon atoms and containing an ester linkage, and R.sub.4 -R.sub.6 are independently selected from the group consisting of H, organic salt groups, alkyl groups of 1 to 20 carbon atoms and C(O)R.sub.7 wherein R.sub.7 is an alkyl group of 1 to 22 carbon atoms.

Abstract: Acid functional compounds which are the reaction products of monoepoxides, phosphorus-containing acids and cyclic anhydrides are disclosed. The reaction products promote adhesion and prevent yellowing when added to curable film-forming compositions.

Abstract: Aqueous acid solutions for treating metal surfaces such as aluminum and galvanized steel are disclosed. The solutions are mixtures of organophosphates or phosphonates and chloride or fluoride. The treating solutions can be used in place of chromium treating solutions.

Abstract: Disclosed is a method for providing a wood substrate with durability against weathering comprising at least two steps (A) and (B). Step (A) consists of appying to the wood substrate a transparent treatment comprising an organosilicon-containing compound having at least one hydrolyzable silyl group in a carrier for said compound. Step (B) consists of thereafter coating the wood substrate with a transparent, film-forming, coating composition. The coating composition is characterized in that a transparent free film from the coating composition retains an elongation of at least 20 percent after at least 1,000 hours exposure in a Xenon Weatherometer.

Abstract: Disclosed is an ungelled acrylic resin composition containing an acrylic polymer having in a molecule thereof at least one group containing a silicon atom selected from: ##STR1## each R independently is selected from the group of moieties consisting of Y, hydrogen, a C.sub.1 -C.sub.10 group joined to Si through an Si-C linkage, and OR.sup.7 in which R.sup.7 represents alkykl having at least 4 carbon atoms, aryl, alkylaryl, arylalkyl, aryloxyalkyl, or alkyloxyalkyl, wherein Y represents an easily hydrolyzable group.The acrylic resin composition, contains an amount of easily hydrolyzable Y moieties such that the ratio of the number of grams of the ungelled acrylic resin composition to equivalent of easily hydrolyzable Y moieties in the ungelled acrylic resin composition is in the range of from 40 to 667. Preferred acrylic resin compositions of the invention can be cured in the presence of atmospheric moisture and a suitable catalyst at a temperature of less than or equal to 121 degrees Celsius within 3 hours.

Abstract: Disclosed is an ungelled acrylic resin composition containing an acrylic polymer having in a molecule thereof at least one group containing a silicon atom selected from: ##STR1## wherein each R independently is selected from the group of moieties consisting of Y, hydrogen, a C.sub.1 -C.sub.10 group joined to Si through an Si--C linkage, and OR.sup.7 in which R.sup.7 represents alkyl having at least 4 carbon atoms, aryl, alkylaryl, arylaklyl, aryloxyalkyl, or alkyloxyalkyl, wherein Y represents an easily hydrolyzable group.The acrylic resin composition, contains an amount of easily hydrolyzable Y moieties such that the ratio of the number of grams of the ungelled acrylic resin composition to equivalent of easily hydrolyzable Y moieties in the ungelled acrylic resin composition is in a range of from 40 to 667.

Abstract: Disclosed is an ungelled acrylic resin composition containing an acrylic polymer having in a molecule thereof at least one group containing a silicon atom selected from: ##STR1## wherein each R independently is selected from the group of moieties consisting of Y, hydrogen, a C.sub.1 -C.sub.10 group joined to Si through an Si-C linkage, and OR.sup.7 in which R.sup.7 represents alkyl having at least 4 carbon atoms, aryl, alkylaryl, arylalkyl, aryloxyalkyl, or alkyloxyalkyl, wherein Y represents an easily hydrolyzable group.The acrylic resin composition, contains an amount of easily hydrolyzable Y moieties such that the ratio of the number of grams of the ungelled acrylic resin composition to equivalent of easily hydrolyzable Y moieties in the ungelled acrylic resin composition is in a range of from 40 to 667.

Abstract: Disclosed are moisture-curable compositions based on (A) ungelled, partial hydrolyzates or organosilicon-containing materials in combination with (B) acrylic addition interpolymers containing hydrolyzable silyl groups.The organosilicon-containing material for preparation of the ungelled partial hydrolysis product has an average functionality based on easily hydrolyzable Y groups attached to silicon atoms of greater than or equal to 2.4 and contains greater than or equal to 10 mole percent of at least one organosilane compound corresponding to the formula R-Si-Y.sub.3. The partial hydrolysis product is prepared using a controlled amount of water.The acrylic addition interpolymer is not particularly limited provided that it contains at least one silicon atom directly bonded to a hydrolyzable group and is compatible with the ungelled partial hydrolysis product.

Abstract: A coating composition contains at least 15 percent by weight of an ungelled reaction product of:(i) at least 2 percent by weight of an amine having in a molecule thereof at least one amino hydrogen atom, and at least one silicon atom directly bonded to a hydrolyzable group;(ii) at least 4 percent by weight of a material containing at least one epoxide group, at least 30 percent of said material being essentially free of hydroxyl groups; and(iii) a material selected from vinyl alkoxysilanes; nonfunctional organosilanes; organosilicates; and partial hydrolysis products thereof; the percentages by weight being based on the total weight of the resin solids of the coating composition including (i), (ii) and (iii).

Abstract: Disclosed is a curable composition containing (1) a resin containing at least one air-oxidizable group and at least one epoxy group, and (2) a compound having in a molecule thereof at least one epoxy-reactive moiety and at least one silicon atom directly bonded to a group Y wherein Y represents a hydrolyzable group.

Abstract: Disclosed is a composition containing a novel ungelled resin in combination with an effective amount of a cure-promoting catalyst selected from the group consisting of triflic acid (i.e., trifluoromethane sulfonic acid), a neutralization product of triflic acid with ammonia, a neutralization product of triflic acid with an amine, a tetraalkyl ammonium salt of triflic acid, and mixtures of one or more of the aforesaid catalysts. The composition can be cured with moisture and/or with polyols and can be used to provide protective and/or decorative films on a variety of substrates.The novel ungelled resin comprises a compound corresponding to a specified formula (I) which compound typically is prepared by reaction of an aminoalkyloxy silane with an organic isocyanate. The ungelled resin contains a hydrolyzable group that is attached directly to silicon.

Abstract: Polymer having tertiary amine oxide groups may be cathodically electrodeposited from aqueous electrodeposition baths.

Abstract: 3-Halo-2-hydroxypropyl acrylates and methacrylates and 2-halo-1-(hydroxymethyl)ethyl acrylates and methacrylates are used as reactive solvent for an acrylic or methacrylic terminated polyether resin in radiation curable coating compositions.

Abstract: The flatting obtained when films of oxygen inhibitable ultraviolet light coating compositions containing flatting pigment are exposed to ultraviolet light, first in an oxygen containing atmosphere and then in a substantially oxygen free atmosphere, is improved by the presence in the coating composition of an air cure promoter such as benzophenone.

Abstract: Compositions useful as coating compositions comprise the reaction product of a polyurethane polyol which contains acidic carboxyl groups with an alkylenimine. Particularly desirable coatings are produced by further combining the imine-modified polyurethane polyols with aminoplast resins. The compositions are characterized by improved pigment wetting properties and provide coatings having improved low temperature, flexibility and increased adhesion.

Abstract: Ultraviolet light curable coating compositions comprise an ultraviolet light curable component which shrinks upon curing, a component which is not significantly ultraviolet light curable and a photoinitiator. As the composition is cured by exposure to ultraviolet light, the curable component and the non-curable component phase separate and dendritic microfractures appear at phase boundaries to provide opacity to the cured coatings.