Abstract: A copolymer and a process of making the copolymer are disclosed. The copolymer is produced from reacting a glycidyl ester and/or ether with a polyol comprising a functionality of at least 2 wherein at least 50% by weight of the copolymer comprises a minimum of 3n+X repeating units, wherein n is a monomer unit and X is a monomer unit and/or other reactant. The copolymer may also include less than 50% of the polymeric units having the same molecular weight. The present invention is further directed to processes for preparing the copolymer and to coating compositions employing the copolymer.

Abstract: Disclosed is a sulfonated multiblock copolymer, which comprises a hydrophilic block (X) having a repeating unit represented by the following formula 1a, and a hydrophobic block (Y) having a repeating unit represented by the following formula 2, wherein the number (m) of the repeating unit of formula 1a in the hydrophilic block (X) and the number (n) of the repeating unit of formula 2 in the hydrophobic block (Y) satisfy the conditions of 4?m?400 and 4?n?400.

Abstract: Powder coating binders having a glass temperature of ?35° C. containing at least one polymer and one or more radiation-curing reactive thinners, a process for the production of these powder coating binders and their use as a component of powder coatings.

Abstract: A copolymer and a process of making the copolymer are disclosed. The copolymer is produced from reacting a glycidyl ester and/or ether with a polyol comprising a functionality of at least 2 wherein at least 50% by weight of the copolymer comprises a minimum of 3n+X repeating units, wherein n is a monomer unit and X is a monomer unit and/or other reactant. The copolymer may also include less than 50% of the polymeric units having the same molecular weight. The present invention is further directed to processes for preparing the copolymer and to coating compositions employing the copolymer.

Abstract: The invention is an electrically insulative aqueous polymer composition. The composition includes a thermoplastic acrylic-styrene copolymer emulsion, a wetting agent, water, a surfactant, and a ductility agent. The invention also includes methods of using the electrically insulative composition, as well as methods of using a related electrically conductive aqueous polymeric vehicular emulsion composition.

Abstract: The present invention relates to aqueous compositions comprising component (A) which comprises at least one water-soluble component comprising at least one functional group that undergoes a crosslinking reaction, preferably upon drying and/or heating; component (B) which comprises at least one film-forming material, preferably a latex material; and component (C) which comprises at least one component that provides at least one of moisture and/or water barrier properties and/or vapor barrier properties greater than that provided by the combination of components (A) and (B) alone.

Abstract: There are disclosed a phosphorus-containing carboxylic acid derivative which has a group containing phosphorus atom and has in its molecule, a group represented by the following formula (1): wherein R1, R2 and R3 are each hydrogen atom or a hydrocarbon group having 1 to 18 carbon atoms, and Y is oxygen atom or sulfur atom; a process for producing the derivative; and a flame retardant comprising the foregoing derivative as an effective ingredient. The present invention can provide the phosphorus-containing carboxylic acid derivative and a flame retardant which are each excellent in solubility in an organic solvent, compatibility with a variety of resins, stability and flame retardancy.

Abstract: A curable, aqueous film-forming composition is provided that includes a polymeric binder comprising reactive functional groups, a crosslinking agent having at least two functional groups that are reactive with the functional groups of the polymeric binder, and a copolymer flow control agent comprising at least 30 mol % of residues containing alternating residues from a donor monomer and from an acceptor monomer. The copolymer contains at least 15 mol % of an isobutylene type donor monomer. Components (a) and (b) are substantially hydrophobic and are prepared as an aqueous dispersion comprising polymeric microparticles, prepared by mixing components (a) and (b) together under high shear conditions. A multi-component composite coating composition is also provided, comprising a base coat deposited from a pigmented film-forming composition and a transparent topcoat applied over the base coat. The topcoat is deposited from the film-forming composition described above.

Abstract: A composition comprising by weight: 70 to 96% of at least one polyamide chosen from PA-11, PA-12, aliphatic polyamides resulting from the condensation of an aliphatic diamine having from 6 to 12 carbon atoms and an aliphatic diacid having from 9 to 12 carbon atoms, and 11/12 copolyamides having either more than 90% of nylon-11 units or more than 90% of nylon-12 units; 4 to 10% of a plasticizer; 0 to 25% of an NBR or H-NBR elastomer; and the sum of the amount of plasticizer and the amount of elastomer is between 4 and 30%; can be manufactured by melt-blending the various constituents using standard techniques for thermoplastics. The composition is particularly useful for pipes used in the operation of offshore oil and gas fields. They exhibit very good ageing resistance. They are also useful for simpler pipes in motor vehicles, these compositions withstanding the ageing caused by the temperature under the bonnet of motor vehicles and the nature of the fluids transported.

Abstract: This invention provides high solid paint compositions comprising as the basic components a hydroxyl-containing compound having a weight-average molecular weight of not more than 1,000 and a hydroxyl value of 200-800 mgKOH/g, and a polyisocyanate compound, and a process for forming multi-layered coating film using any of said compositions.

Abstract: The present invention is directed to saturants for fibrous webs that will confer upon those webs the ability to be heat sealed to many materials without compromising the drapability of the fibrous webs. The present invention is further directed to fibrous webs saturated with the saturant of the present invention and methods for saturating such webs. The invention is further directed to packages or containers comprising the saturated webs and methods of manufacturing such packages. The invention is further directed to temperature sensitive adhesive coatings that can be used with the saturated webs and a method for applying the coating.

Abstract: Provided is a crosslinking agent which is the ungelled reaction product of a polyester polyol and an aminotriazine compound having one or less non-alkylated NH bond per triazine ring. The polyester polyol is the reaction product of a cycloaliphatic polyol and a cyclic polycarboxylic acid or anhydride. The crosslinking agent is essentially free of hydroxyl functionality and has a glass transition temperature of at least 10° C. Further provided is a powder coating composition including a solid particulate film-forming mixture of a polymer containing reactive functional groups and having a Tg of at least 30° C., and the crosslinking agent. Additionally provided is a multi-layer composite coating composition having a basecoat layer deposited from a basecoat film-forming composition and a topcoat over the basecoat deposited from the previously described powder coating composition. Coated substrates are also provided.

Abstract: A belt tension adjusting device has a stationary fulcrum shaft, an arm pivotally supported on the fulcrum shaft through a slide bearing formed of a synthetic resin, a tension pulley mounted on the arm at one end thereof for tensioning a belt, and a damper having a piston rod abutting the arm on the other end thereof. The tension pulley is pressed against the belt by pivoting the arm under the force of the piston rod, thereby adjusting the tension of the belt. The inner peripheral surface of said slide bearing, which is in slide contact with said fulcrum shaft, is formed so as to have a surface roughness RA of not more than 6.3 &mgr;m. The slide bearing is formed of a resin composition comprising 65-85 vol % of a thermoplastic polyimide resin, an aromatic polyether ketone resin or a mixture of the resins, and 15-35 vol % of a tetrafluoroethylene resin.

Abstract: New polymers and anti-reflective or fill compositions including those polymers are provided. The polymer comprises recurring monomers according to the formula wherein R comprises a light attenuating compound. The inventive compositions can be used to protect contact or via holes from degradation during subsequent etching in the dual damascene process.

Abstract: There is described a curable coating composition having at least one effect pigment which, upon cure, exhibits substantially improved orientation of the effect pigment and a corresponding improvement in appearance. The composition comprises: (A) a carbamate-functional component having a hydrophobicity equivalent to or greater than that of a carbamate-functional compound (A′) which is the reaction product of: (1) a compound comprising a plurality of hydroxyl groups, at least one of which is the result of a ring-opening reaction between an epoxy group and an organic acid group, and (2) cyanic acid or a compound comprising a carbamate group, and (B) a component comprising a plurality of groups that are reactive with the carbamate functional groups on component (A), and (C) at least one effect pigment, the curable coating composition when cured having a substantially improved effect pigment orientation. Preferably, the composition further comprises particular rheology control agents.

Abstract: An assay comprises contacting cells containing a conformationally altered protein with test compound and determining if the altered protein is cleared. The cells may be scrapie-infected neuroblastoma cells. Another assay comprises contacting organ or tissue homogenate (at pH 5.0 or less) with test compound to determine if altered protein in the homogenate is cleared. The homogenate may be brain homogenate from a transgenic mouse infected with human prions. Compounds which are found to clear the altered protein are useful in preventing, arresting and/or reversing (i.e. treating) a disease associated with the conformationally altered protein.

Abstract: An antiviral compound comprises a dendrimer such as a polyamidoamine or polyly sine dendrimer having a plurality of terminal groups, wherein at least one of the terminal groups has an anionic- or cationic-containing moiety bonded thereto, particularly a sulfonic acid-containing, carboxylic acid-containing or trimethylammonium-containing moiety or the like.

Abstract: The present invention provides a curable coating composition that includes at least three components. The coating composition includes a component (a) that includes one or both of a compound (a)(1) having at least one carbamate group or terminal urea group according to the invention and having at least two linking groups that are urethane or urea or a compound (a)(2) having at least two groups selected from carbamate groups, terminal urea groups, or combinations of the two and at least four urethane or urea linking groups. The second component (b) of the coating composition includes an acrylic polymer comprising active hydrogen-containing functional groups reactive with the third component(c). Component (c) of the coating composition is a curing agent that is reactive with the first two components. Preparation of coated articles using the compositions of the invention is also disclosed.

Abstract: Melt processible thermoplastic compositions and method for making them are described, these compositions comprising a thermoplastic polymer resin matrix selected from the group consisting of thermoplastic polyurethanes, polyvinyl chlorides, styrenics, engineering thermoplastics, and polyolefins, at least about 25 percent (by weight based on the total composition) of an elastomeric impact modifier dispersed as discrete particles in the thermoplastic matrix (a); and at least about 10 percent (by weight based on the total composition) of at least one homogeneous linear or substantially linear ethylene polymer dispersed as discrete particles in at least the impact modifier (b), the ethylene polymer having a molecular weight distribution less than 3.5 and a density of at least 0.04 g/cm.sup.3 higher than the density of the impact modifier component (b), wherein the elastic modulus of the thermoplastic component (a) is at least 200 times greater than the elastic modulus of the impact modifier component (b).

Abstract: There is described a curable coating composition having at least one effect pigment which, upon cure, exhibits substantially improved orientation of the effect pigment and a corresponding improvement in appearance. The composition comprises:(A) a carbamate-functional component having a hydrophobicity equivalent to or greater than that of a carbamate-functional compound (A') which is the reaction product of:(1) a compound comprising a plurality of hydroxyl groups, at least one of which is the result of a ring-opening reaction between an epoxy group and an organic acid group, and(2) cyanic acid or a compound comprising a carbamate group, and(B) a component comprising a plurality of groups that are reactive with the carbamate functional groups on component (A), and(C) at least one effect pigment,the curable coating composition when cured having a substantially improved effect pigment orientation. Preferably, the composition further comprises particular rheology control agents.

Abstract: The present invention provides a curable coating composition that includes at least three components. The coating composition includes a component (a) having at least one carbamate group or urea group and having a lactone or hydroxy carboxylic acid moiety. The second component (b) of the coating composition is one or more of three materials. First, the second component can be a polymer resin (b)(1) comprising active hydrogen-containing functional groups reactive with the third component(c). Secondly, the second component can be a compound (b)(2) having at least one carbamate group or terminal urea group according to the invention and having at least two linking groups that are urethane or urea. Finally, the second component can be a compound (b)(3) having at least two groups selected from carbamate groups, terminal urea groups, or combinations of the two and at least four urethane or urea linking groups.

Abstract: The present invention provides a curable coating composition that includes at least three components. The coating composition includes a component (a) that includes one or both of a compound (a)(1) having at least one carbamate group or terminal urea group according to the invention and having at least two linking groups that are urethane or urea or a compound (a)(2) having at least two groups selected from carbamate groups, terminal urea groups, or combinations of the two and at least four urethane or urea linking groups. The second component (b) of the coating composition includes a polymer resin comprising active hydrogen-containing functional groups reactive with the third component (c). The resins is selected from polyester, polyurethane, or polyester-polyurethane copolymers Component (c) of the coating composition is a curing agent that is reactive with the first two components. Preparation of coated articles using the compositions of the invention is also disclosed.

Abstract: The present invention provides a curable coating composition comprising(a) a first component comprising at least two functional groups, at least one of which is a carbamate or urea group that is the reaction product of:(1) a hydroxyl group that is the result of a ring-opening reaction between an epoxy group and an organic acid group, and(2) cyanic acid or a carbamate or urea group;(b) a curing agent having a plurality of functional groups that are reactive with component (a), and(c) a second component having functional groups that are reactive with component (a) or component (b) or both components (a) and (b).

Abstract: A method for making multilayer resist structures for microlithographic processing using a thermosetting anti-reflective coating is disclosed for a broad range of exposure wavelengths, said coating containing an active curing catalyst, ether or ester linkages derived from epoxy functionality greater than 3.0, a dye-grafted hydroxyl-functional oligomer, and an alkylated aminoplast crosslinking agent, all present in a low-to-medium alcohol-containing solvent.

Abstract: Curable coating compositions are described comprising(a) a polymer resin comprising active hydrogen-containing functional groups,(b) a curing agent having groups that are reactive with said functional groups on (a), and(c) a compound comprising at least one carbamate group that is the reaction product of:(1) a hydroxyl group that is the result of a ring-opening reaction between an epoxy group and an organic acid group, and(2) cyanic acid or a compound comprising a carbamate group.

Abstract: Provided by the present invention are novel diguanamine derivatives, led by 2,5/2,6-bis(4,6-diamino-1,3,5-triazin-2-yl)-bicyclo?2.2.l!heptanes and 1,3/1,4-bis(4,6-diamino-1,3,5-triazin-2-yl)-cyclo-hexanes, and derivatives thereof, applications of these compounds in fields such as adhesives and paints, utilization of these compounds in flame-retarding, thermal stabilization and compatibilization methods of resins, thermosetting molding compositions and thermosetting expansion-molding compositions making use of these compounds, as well as polymeric microspheres also using these compounds. These compounds are expected to find wide spread industrial utility as various excellent properties can be obtained by using them.

Abstract: There is described a curable coating composition comprising:(A) a carbamate-functional component that is the reaction product of:(1) a compound comprising a plurality of hydroxyl groups, at least one of which is the result of a ring-opening reaction between an epoxy group and an organic acid group, and(2) cyanic acid or a compound comprising a carbamate group, and(B) a component comprising a plurality of groups that are reactive with the carbamate functional groups on component (A).

Abstract: A thermosetting anti-reflective coating and method for making and using the same is disclosed for a broad range of exposure wavelengths, said coating containing an active curing catalyst, ether or ester linkages derived from epoxy functionality greater than 3.0, a dye-grafted hydroxyl-functional oligomer, and an alkylated aminoplast crosslinking agent, all present in a low-to-medium alcohol-containing solvent.

Abstract: There is described a curable coating composition comprising:(A) a carbamate-functional component that is the reaction product of:(1) a compound having a plurality of hydroxyl groups that is the reaction product of:(a) a compound comprising at least one epoxide group and(b) a compound comprising a plurality of organic acid groups,(2) a compound comprising a carbamate group, and(B) a component comprising a plurality of groups that are reactive with the carbamate functional groups on component (A).

Abstract: There is described a curable coating composition comprising:(A) a carbamate-functional component that is the reaction product of:(1) a compound having a plurality of hydroxyl groups that is the reaction product of:(a) a compound comprising at least one epoxide group and(b) a compound comprising at least one organic acid group and at least one hydroxyl group,(2) a compound comprising a carbamate group, and(B) a component comprising a plurality of groups that are reactive with the carbamate functional groups on component (A).

Abstract: A waterborne structural adhesive bonding primer composition (a) that can be effectively applied to an adherend for structural adhesive applications, (b) that emits a VOC content of less than about 250 grams per liter, (c) is thermally stable, and (d) may be employed with 350.degree. F. (176.7.degree. C.) cure epoxy resin systems, which contains the combination of (i) a dialkanol amine adduct of an oxazolidinone modified polyglycidyl ether of a tris(hydroxyphenyl)alkane dissolved in a water vehicle, and (ii) a rigid ring substituted polyethylenically unsaturated carboxylate, carboxamide or carboximide intimately dispersed in the water vehicle and the dialkanol amine adduct of an oxazolidinone modified polyglycidyl ether of a tris(hydroxyphenyl)alkane. Formulations are described that contain chromate-free corrosion inhibitors.

Abstract: A thermosetting resinous composition contains (a) a polyfunctional oxazolidinone compound and (b) a polyamine which react with one another a polyurea polymer upon heating without emitting any emanating by-product. A novel class of polyfunctional oxazolidinone compounds and an improved method for producing the same are also disclosed.

Abstract: A powder coating comprising, as main components. (A) a carboxyl group containing resin having a number average molecular weight of 1000-30000, an acid value of 5-200 KOH mg/g and a glass transition temp. of 20.degree.-120.degree. C., and (B) a polyglycidyl compound obtained by addition of a polyester oligomer having 2 or more carboxyl groups and a number average molecular weight of 200-1200, with an epoxy compound of the formula: ##STR1## , the ratio of carboxyl groups in (A) to glycidyl groups in (B) being, in terms of equivalent ratio, 0.5 to 2.0. This powder coating may result a coating with excellent processability, impact strength and the like and is excellent in storage stability, hardening properties either at high or low temperature and even when used a stored powder may result a coating with excellent processability.

Abstract: A thermosetting resinous composition contains (a) a polyfunctional oxazolidinone compound and (b) a polyamine which react with one another a polyurea polymer upon heating without emitting any emanating by-product. A novel class of polyfunctional oxazolidinone compounds and an improved method for producing the same are also disclosed.

Abstract: This application describes a water dispersible polymeric vehicle comprising epoxy polymers having about 5 to 50 weight percent mesogens or a cross-linkable blend of an amine salt of a mesogenic carboxylic acid, cross-linker resin and an epoxy polymer, the mesogenic acid providing about 5 to 50 weight percent mesogenic groups to the blend.

Abstract: A thermosetting resin composition comprising as main components(A) an acrylic resin containing in the molecule a carboxyl group, a hydroxyl group and an epoxy group and having an acid value of 15-150 mg KOH/g, a hydroxyl value of 30 mg KOH/g or more, an epoxy equivalent of 3,000-15,000 and a number-average molecular weight of 3,000-30,000,(B) an acrylic resin containing in the molecule a carboxyl group, a hydroxyl group and an epoxy group and having an acid value of 2-10 mg KOH/g, a hydroxyl value of 30 mg KOH/g or more, an epoxy equivalent of 250-2,500 and a number-average molecular weight of 3,000-30,000 and(C) an amino resin,wherein the molar ratio of the carboxyl group of the component (A)/the epoxy group of the component (B) is 1/0.5 to 0.5/1 and the amount of the component (C) is 10-40% by weight based on the total amount of the components (A) to (C). The resin composition is useful for use particularly in top coat paint composition for automobile outer panels.

Abstract: Disclosed in a polyamide epoxy ester resin having a weight average molecular weight of 1,000 to 100,000, an epoxy equivalent of 500 to 10,000, and an acid value of not greater than 10, which is prepared by reacting(i) at least one epoxy resin which is a glycidyl ether of a dihydric phenol,(ii) at least one dihydric phenol and(iii) a polyamide dicarboxylic acid having an amine value of not greater than 20 and an acid value of at least 20, which is prepared by reacting a polymerized fatty acid composed mainly of a dimer acid with a diamine at a polymerized fatty acid/diamine molar ratio of from 2/1.0 to 2/1.9,at a ratio of such that the amount of the polyamide dicarboxylic acid segment in the resin ranges 1 to 30 percent by weight based on the weight of the resin.Also, disclosed are a process for preparing the polyamide epoxy ester resin and a coating composition comprising the resin. The coating composition is particularly useful for can coating.

Abstract: Curable compositions comprising a curing agent and the product resulting from reacting (I) the product resulting from the free radical polymerization of (A) the composition resulting from (1) reacting (a) a compound containing an average of more than one vicinal epoxide group per molecule with (b) at least one unsaturated imide having a reactive hydrogen atom attached to the imide nitrogen atom in amounts which provide a ratio of moles of component (b) per epoxide group contained in component (a) of from about 0.01:1 to about 1.1:1; and (2) optionally, reacting the product of step (A) with (c) at least one of (i) at least one compound containing only one phenolic hydroxyl group, (ii) at least one secondary amine, or (iii) a combination of (i) and (ii) in amounts sufficient that the resulting product contains a percent epoxide value of not greater than about 1.

Abstract: Novel solvent-based thermosetting composition comprising (a) hydroxy functional epoxy ester resin of number average molecular weight (Mn) between about 1,000 and about 5,000, comprising the reaction product of diepoxide with aliphatic diol and, subsequently, with acid component comprising (i) hydroxy functional acid and, optionally, (ii) fatty acid; and (b) polyfunctional, hydroxy-reactive crosslinking agent, for example, aminoplast crosslinking agent or blocked polyisocyanate crosslinking agent comprising isocyanate groups blocked by reaction with an active hydrogen bearing blocking agent. Coating composition may be formulated as primer sprayable with conventional spraying equipment.

Abstract: Epoxy resins having low melt viscosities and high softening points are prepared by partially reacting the epoxy resin with a monoimide. These modified epoxy resins are useful as binders in preparing high flow-out, non-sintering powder paints, particularly in epoxy resin/polyester hybrid coatings.

Abstract: Disclosed is a coating composition for metals containing (A) a modified bisphenol type epoxy resin and (b) a phenol resin and/or an amino resin, which composition has excellent properties in fabricating properties, corrosion resistance, etc. and is suitably applicable to both inner and outer surfaces of the vessels for use in food and drink.

Abstract: Uncured compositions are prepared from dialkanolamines and polyglycidyl ethers of tris(hydroxyphenyl)alkanes. These compositions are water soluble or water miscible.

Abstract: A method for making curable casting resins having a high content of finely divided inorganic fillers and comprising esters of acrylic or methacrylic acid and organosilicon compounds used as adhesion promoters, which method involves mixing the liquid polymer precursor comprising acrylic or methacrylic esters with the organosilicon compound and with an alkylamine as a catalyst for the organosilicon compound, the finely divided inorganic fillers being incorporated into the resulting mixture in such amounts that the viscosity of the mixture does not exceed 10 Pa.sec, the resulting thixotropic suspension then being transformed into a completely deflocculated low viscosity suspension by being allowed to stand for a sufficient length of time at room temperature or by short term heating.

Abstract: Disclosed is a process for the preparation of water-thinnable, hydrolytically stable, thermosettable, cationic coating compositions, with process comprises blending:(1) 5-35 weight percent of a carboxylated crosslinking compound, and(2) 65-95 weight percent of an amino group-containing resin binder, which binder comprises the reaction product of ammonia and a blend of(a) a polyglycidyl ether having n epoxy groups per molecule, wherein 1<n<1.9, said polyglycidyl ether being the reaction product of a multifunctional polyglycidyl ether having x epoxy groups per molecule, wherein x>2, and (x-n) mol of a monofunctional phenol per mole of the multifunctional polyglycidyl ether, and(b) a diglycidyl ether having an epoxy group concentration in the range of from 1000 to 5500 mmol/kg,the average molar epoxy functionality of the glycidyl ethers, present in the blend of polyglycidyl ether and digylcidyl ethers, being <1.75.and wherein (1) and (2) are blended before or after neutralization of (2).

Abstract: A high solids coating composition comprises a low molecular weight polymeric blend of acrylic polymer, polyester polymer, and amine cross-linking resin. The acrylic and polyester polymers contain primary hydroxyl groups adapted to coreact and cross-link with active amine cross-linking resin such as aminoplast resins. All of the polymers have a number average molecular weight below about 3000.

Abstract: This invention is directed to adducts of a polycaprolactone polyol and a polyepoxide comprising the reaction product of at least one polycaprolactone polyol and a polyepoxide containing two or more epoxy groups per molecule in a molar ratio of polycaprolactone polyol to polyepoxide of from about 2:1 to about 3:1, said adducts having an oxirane content of less than about 0.10 percent and a viscosity of less than about 3700 centistokes at 54.5.degree. C. The adducts are useful in the formulation of high solids coating compositions, polyurethane elastomers, inks, sealants, adhesives and the like.

Abstract: Curable amide modified epoxy resins are prepared by polymerizing (I) the reaction product of (A) the reaction product of (1) an epoxy resin having an average of more than one 1,2-epoxy group per molecule and an average of from about 0 to about 30 aliphatic hydroxyl groups per molecule such as a diglycidyl ether of bisphenol A and (2) (a) a material having only one primary amine group per molecule such as monoethanolamine and (b) a material having only one secondary amine group per molecule such as diethanolamine wherein (a) and (b) are added sequentially with (a) being added first, or as a mixture with (B) an anhydride of an unsaturated dicarboxylic acid such as maleic anhydride with (II) a polymerizable ethylenically unsaturated monomer or mixture of monomers such as styrene and methacrylic acid. The resultant resin can be employed as is in the preparation of organic solvent borne coatings or it can be neutralized with a base so as to improve its stability in the preparation of aqueous coatings.

Abstract: New aqueous dispersible cathodic electrocoat resin compositions containing both secondary amine and 1,3-benzoxazine functionality cure by oxazine self-additon and/or oxazine/amine reactions. Such compositions are prepared in a multi-stage process to give corrosion and chemical resistant coatings which exhibit good package (tank and feed) stability.

Abstract: A thermosetting coating composition with excellent weatherability adapted for use as an automotive topcoat which upon curing forms a hard, glossy, durable coating. The coating composition, which reacts in situ during curing, is characterized by comprising a mixture of:(A) polyol having a number average molecular weight (MHD n) of between about 130-5000;(B) dicarboxylic acid anhydride comprising at least about 50 weight percent of alkyl hexahydrophthalic anhydride;(C) epoxy having one or more epoxide groups per molecule and a number average molecular weight (M.sub.n) of between about 130-1500; and(D) an amine-aldehyde crosslinking agent.

Abstract: A heat curable aqueous emulsion coating composition is disclosed which is adapted to deposit a release coating which stratifies to allow less silicone to effectively coat a given surface area. This emulsion comprises water containing: (1) a fatty acid or fatty alcohol-containing hydroxy-functional polyester having a hydroxy value of at least about 40 and which is a free flowing liquid at room temperature; (2) a cross-linking agent for said hydroxy resin; and (3) at least one silicone reactive with said hydroxy-functional resin and/or said cross-linking agent to provide a release function. The hydroxy-functional polyester and the cross-linking agent serve to emulsify the silicones in the aqueous phase of the emulsion.