Abstract: An improved method of molding involves utilizing as the catalyst and initiator components of a polymerizable composition, a Grignard catalyst and a dual initiator system.

Abstract: A reaction injection molding process is disclosed comprising:introducing a mixture of substantially stable reactant streams into a mold, said mixture, in the aggregate, containing polyamide polymer forming compounds and polyurethane polymer forming compounds, said polyamide polymer forming compounds including lactam, an anionic polymerization catalyst and a polymerization activator, said polyurethane polymer forming compounds including a polyol, a polyisocyanate, a chain extender if desired, and a polyurethane polymerization catalyst, said polyamide polymer forming compounds and said polyurethane forming compounds reacting to respectively form polyamide and polyurethane polymers in said mold to thereby yielding a reaction injection molded product composed of said polymers; andrecovering said product from said mold.

Abstract: A two part RIM nylon-based urethane block polymer consists of an anionic metal salt catalyst in minor proportions and a prepolymer consisting of the reaction product of a diisocyanate with a mixture of a polymeric triamine having primary amine groups and a polyether diol in a large excess of a ring lactam which serves as a reaction diluent. The prepolymer preparation process is characterized by the immediate formation of a visible high molecular weight polymer gel which redissolves with continued agitation. No free or extractable polymers, diols or isocyanate is observed in the polymer product.

Abstract: A resinous composition for coating use comprising an amphoteric resin having an acidic resinous component and a basic component of a basic compound, and an amino-formaldehyde resin etherified with monohydric alcohol having 1 to 4 carbon atoms and/or isocyanate compound, which is characterized by the fact that the basic component of a said amphoteric resin consists of a basic compound whose titration midpoint potential in non-aqueous potentiometric titration, when incorporated into the resin, is less than 450 mV, and the basicity of the amphoteric resin is within the range of 1.0.times.10.sup.-2 to 1.0 m mol/g solid. This composition can exhibit excellent pigment dispersibility and is useful as resinous vehicle for a coating composition to be used as a top coat for automobile bodies and the like.

Abstract: Improved molding compositions based on high-molecular polyether ester amides are obtained by heating at 180.degree.-250.degree. C. a melt containing a mixture ofA. a polyether ester amide having a relative solution viscosity .eta..sub.rel of at least 1.5; andB. 0.05-1.5 parts by weight, based on 100 parts by weight of the molding composition, of a cyclic, trimerized isophorone diisocyanate or an oligomer thereof having a degree of oligomerization of 2-5 and an isocyanate functionality of 3-7.

Abstract: Urethane elastomer is described having methylol phenolic groups grafted thereto which modified elastomer is useful for preparing improved polymer blends.

Abstract: Polycondensation compounds containing piperidine and triazine groups, having a mean molecular weight from 1000 to 20,000 and constituted by structural units a and b of the formula ##STR1## are suitable as anti-actinic stabilizers for incorporation in polymeric materials.

Abstract: The invention relates to a self-crosslinking heat-curable binder, in particular for electropaints, which is based on an organic synthetic resin which contains primary and/or secondary and, if desired, also tertiary amino groups and esterified carboxyl groups and is water-dilutable due to partial or complete neutralization with acids. The esterified carboxyl groups are activated in the alcohol component by a substituent which induces a negative inductive effect.

Abstract: This invention relates to a new process for the production of polyamide imides.

Abstract: The invention provides a photosensitive resin composition containing a soluble synthetic linear high-molecular compound in an amount of 25 to 95 weight percent based on the whole composition, a monomer having at least one photopolymerizable unsaturated bond and a photopolymerization initiator and characterized in that part or all of the soluble synthetic linear high-molecular compound is an addition polymer of an organic diisocyanate compound with an amide compound, both terminals of the amide compound being either primary or secondary amide groups and the equivalent ratio of amino groups to isocyanate groups in the addition polymer is not less than 1.0. The high-molecular weight compound makes up at least 50% by weight base on the total amount of the polymer material present in the composition.

Abstract: Cationic resins suitable as binders for stoving coating compositions, particularly for application by electro-deposition, and as mill base resins for grinding pigments and extenders; and a process for producing same is described. The resins are produced through reaction of a resinous compound carrying hydroxyl groups with a monoisocyanate which is totally or partially the reaction product of a diisocyanate and a tertiary amine which carries the ring structure ##STR1## wherein R and R.sub.x are a hydrogen atom or an alkyl radical or an aryl radical which may be substituted and wherein n is 2 or 3, the quantity of basic component being chosen in order that the cationic resin has an amine value of at least 35, and preferably of from 40 to 140 mg KOH/g.

Abstract: Aromatic polyimides with various functional end-groups such as --CH.dbd.CH.sub.2, --C.tbd.CH, --CN and --CHO are chain-extended (molecular weight increased) by reacting the functional groups with aromatic bis-dipoles. A representative bis-dipole is 1,4-benzene-dinitrile oxide. These polyimides can be shaped and formed prior to chain extending.The aromatic polyimides appropriate for chain-extending are formed by the reaction of aromatic dianhydrides, aromatic amines and monoamines which contain the functional groups.

Abstract: A polyamide-imide resin composition comprising (A) a polyamide-imide resin modified with a polyisocyanate containing one or more isocyanurate rings and a lactam and (B) at least one member selected from the group consisting of (i) an alkoxy modified amino resin, (ii) a polyisocyanate containing one or more isocyanurate rings, (iii) a phenol-formaldehyde resin, (iv) an epoxy resin, (v) a polyester resin having one or more hydroxyl groups obtained by using terephthalic acid and/or isophthalic acid as an acid component, and (vi) a metal salt of Sn, Mn, Co or Zn, can give fast curing properties to the resin composition without lowering heat resistance, flexibility, abrasion resistance and also giving good surface appearance to the coating.

Abstract: This invention relates to radiation hardenable primers based on prepolymers containing (meth) acryloyl groups and conventional auxiliary agents. The primers are characterized in that they contain organic and/or inorganic fibres having a fibre length distribution curve reaching its maximum in the region of from 50 to 600 .mu.m. These primers are suitable for coating articles which have absorbent surfaces, in particular for the continuous coating of wood-concrete articles such as wood-concrete boards.

Abstract: A coating composition comprises an hydroxyalkyl carbamate compound, an amino cross-linker, a polymer containing active sites which are reactive with the cross-linker and, optionally, an acid catalyst. The hydroxyalkyl carbamate compound serves as a reactive diluent in the composition. The composition is stable at ambient temperature and reactive at elevated temperature to form a cross-linked compound in which the hydroxyalkyl carbamate compound is incorporated.

Abstract: The instant invention relates to thermoplastically processable polyamides which are rendered flame retardant by means of a new flame retarding agent; the conversion product of cyanuric acid and triazine compounds having free --NH.sub.2 in a molar ratio of at least 2 triazine nuclei per mole of cyanuric acid. The properties of polyamide thermoplasts are changed only slightly through the incorporation of the new flame retarding agent.

Abstract: A process of making radically polymerizable compositions suitable for the production of impact resistant optically clear glass like plastic and forming the glass from such compositions is disclosed. Also taught are the polymerizable compositions and the final glass produced. An isocyanate terminated prepolymer based upon a polyol selected from polyesters, polyester amides, polycarbonates and polyacetals and diisocyanates selected from branched aliphatic isocyanates, cycloaliphatic isocyanates and aliphatic or cycloaliphatic isocyanates graft polymerized with vinyl monomers is chain extended with aliphatic or cyloaliphatic diamines while in solution in vinyl monomers consisting mainly of methacrylic acid esters. The chain extension is carried out with a deficit of amine and preferably to a viscosity at 20% solids in the vinyl monomers of between 200 and 30,000 cP at 20.degree. C. The composition is then radically polymerized to form the high impact glass like plastic alloy.

Abstract: Carboxy terminated vinylester urethane polymers are useful as a thickening agent for sheet molding compositions when reacted with metal oxide which comprises a compound having the general formula:B--I[A--M--A--M].sub.n --CO.sub.2 HwhereinB is a radical derived from a hydroxyl-terminated ester of acrylic or methacrylic acid;I is a radical derived from an aromatic polyisocyanate;A is a radical derived from polyoxyalkylene bisphenol A or derivative thereof;M is a radical derived from a dicarboxylic acid or anhydride thereof;n is an integer equal to from 1 to about 10.The polymer is employed as a thickening agent in systems containing vinylmonomer and other ethylenically unsaturated resins.

Abstract: Process and compositions for producing bondings based on a two component adhesive system comprising1. an epoxide group-containing prepolymer obtained by reacting a polyether-urethane or a polyester-urethane which contains at least two terminal isocyanate groups with equivalent quantities of glycidol, and2. a primary amino group-containing polyether or polyamide having at least two primary amino groups, and a molecular weight between 200 and 1800.

Abstract: The invention relates to a self-crosslinking heatcurable binder, in particular for electropaints, which is based on an organic synthetic resin which contains primary and/or secondary and, if desired, also tertiary amino groups and esterified carboxyl groups and is water-dilutable due to partial or complete neutralization with acids. The esterified carboxyl groups are activated in the alcohol component by a substituent which induces a negative inductive effect.

Abstract: Urethane elastomer is described having methylol phenolic groups grafted thereto which modified elastomer is useful for preparing improved polymer blends.

Abstract: Improved enamels and insulated electrical articles produced therefrom are described. The enamels are composed of solutions of curable resin which have been modified to contain nylon polymer. This polymer facilitates application of the enamel to a metallic conductor so as to produce an especially smooth and desirable insulation coating.

Abstract: Polyamideimides are prepared by first reacting a diamine, preferably an aromatic diamine, with a carboxy anhydride such as trimellitic anhydride and a dianhydride such as bisphenol A dianhydride; and then reacting mixtures of the resulting prepolymers and dicarboxylic acid, or functional derivatives thereof, with a diisocyanate or diamine, preferably an aromatic diisocyanate.

Abstract: Improved enamels and insulated electrical articles produced therefrom are described. The enamels are composed of solutions of curable resin which have been modified to contain nylon polymer. This polymer facilitates application of the enamel to a metallic conductor so as to produce an especially smooth and desirable insulation coating.

Abstract: The invention relates to a selfcrosslinking heat-hardenable binder, in particular for electropaints, which is based on an organic synthetic resin which contains hydroxyl groups and esterified carboxyl groups in the form of carbalkoxymethyl ester groups and is water-dilutable by partial or complete acid-neutralization of amino groups present in the resin.

Abstract: A polyurethane resin composition having better heat resistance comprises one polyurethane resin; and polyethylene terephthalate resin and/or a polyamide resin, such as nylon 6 resin or nylon 66 resin, in an amount of 8 to 30 parts by weight per 100 parts by weight of the polyurethane resin. The polyurethane resin composition is made by mixing polyethylene terephthalate resin solution with O-chlorophenol as solvent, and/or nylon 6 or nylon 66 resin solution with formic or acetic acid as solvent, with the polyurethane resin solution; and then drying in oven to eliminate the solvent for making the skin of leather-like coated fabrics which is capable of heat transfer printing.

Abstract: Improved polyetherimide compositions and processes for their production are described. Various polyetherimide derivatives including water-soluble and tri-functionalisocyanate cross-linked resins are described. They permit production of water-based enamels and coatable particulates which may be employed in, for example, formulation of insulated electrical conductors.

Abstract: Compositions are described comprising blends of cured millable urethane rubber and nylon.

Abstract: Disclosed are novel compositions comprising blends of at least about 75 percent by weight of a polyesteramide and the balance of the blends comprising a urethane containing ingredient. Optionally, an antioxidant component is present in the blends.The blends display an unexpected level of stability in regard to their tensile properties when exposed to elevated temperatures.The blends find particular utility in the area of hoses, gaskets, seals, etc., used in handling fluids at elevated temperatures.

Abstract: A new class of polymer/polyols based on the condensation polymerization of an oxalate ester and a diamine directly in a polyether polyol. The resultant polyoxamate/polyols have viscosities ranging from 1,500 to 15,000 cps. These polyoxamate/polyols are useful in the preparation of urethane elastomers and high resilience foams.

Abstract: Improved enamels and insulated electrical articles produced therefrom are described. The enamels are composed of solutions of curable resin which have been modified to contain nylon polymer. This polymer facilitates application of the enamel to a metallic conductor so as to produce an especially smooth and desirable insulation coating.

Abstract: Hot-melt electrical coating compositions comprise high solids content polyesterimides prepared to an acid number of less than 6-7 in the presence of a monoether or monoester of a glycol or polyglycol and reacted hot with a blocked polyisocyanate. Such virtually solventless compositions provide insulation coatings on electrical conductors which have superior flexibility, especially after aging.

Abstract: A thermoplastic adhesive composition that is particularly suitable for use as a hot melt adhesive is disclosed that comprises at least about 10% by weight of a polyether-based thermoplastic polyurethane and another component selected from the group consisting of: (A) a polyamide formed by the condensation of a compound of the formulaYN<Z>NHwhere Z is selected from the group consisting of ##STR1## where R is selected from the group consisting of hydrogen and alkyl groups having from 1 to 6 carbon atoms and R.sub.1 is a divalent aliphatic hydrocarbon group having at least 1 carbon atom, Y is selected from the group consisting of hydrogen, R'NH.sub.

Abstract: Polymers and oligomers of the formula ##STR1## are useful as ultraviolet light stabilizers for various polymers, especially polyolefins.

Abstract: The invention relates to a self-cross-linking, thermosetting, aqueous lacquer coating material, which comprises synthetic resins having a mean molecular weight (M.sub.n) of about 500 to 15,000 and containing primary and/or secondary--and if appropriate also tertiary--amino groups as well as terminal esterified carboxyl groups, having an amine number of about 20 to 180 and an ester number of about 20 to 350, and which becomes dilutable with water through protonization with acids.The invention moreover concerns the utilization of this lacquer coating material for the purposes of cathodic deposition upon electrically conducting surfaces.

Abstract: The invention concerns a pre-condensed, thermosetting aqueous lacquer coating material containing a pre-condensation product that becomes water-dilutable after protonization with acids and has a mean molecular weight [M.sub.n ] of 800 to 15,000, obtainable by heating of 55 to 95% by weight, based on the total quantity of the binding agent, of an organic synthetic-resin binder containing primary and/or secondary amino groups which has an amine number of 30 to 150 and 5 to 45% by weight of a crosslinking agent possessing esterified terminal carboxyl groups.The invention moreover concerns the application of this lacquer coating material for cathodic deposition upon electrically conducting surfaces.

Abstract: Reinforced thermoplastic moulding compositions comprising polyamides and from 0.1 to 10% by weight polyurethanes from which moulded articles having improved impact strength can be produced.

Abstract: A process for preparing resinous particles for a coating composition, which comprises the steps of (1) subjecting an aqueous resin composition having an ionic group and no material solubility or dispersibility in water is dissolved or dispersed in an aqueous medium by at least partly neutralizing the ionic group to treatment with a powdering agent while applying thereto an operation for pulverization to deposit the resin in a particulate form and (2) recovering the deposited resinous particles from the aqueous medium.

Abstract: A paint having desirable high temperature properties particularly suitable for industrial applications is described. The paint is composed of a conventional pigment in combination with a polyimide reaction product of a bis (etheranhydride) with a diamine compound, said reaction product being cross-linked with a tri-functional isocyanate agent.

Abstract: A polyamideimide-esterimide heat resistant resin is made by connecting aromatic polyamideimide components having amide groups and imide groups in the main chain to polyesterimide components having ester groups and imide groups in the main chain by esterification.

Abstract: Coating compositions consist essentially of (a) ethylenically unsaturated monomers, (b) polyol-containing curable resins, (c) resins having ethylenic unsaturation and (d) solvent. The compositions are especially useful for the coating of products made from sheet molding compounds.

Abstract: Disclosed is a wire enamel blend which is curable to the B-stage with UV light then to the C stage with heat. The blend comprises up to about 40% of an acrylated epoxy dissolved in a monoacrylate, about 2 to about 26% of an acrylated polybutadiene, about 3 to about 26% of an acrylated polyester-amide-imide dissolved in a monoacrylate and in an unsatured diester, about 30 to about 65% of an end-blocked urethane dissolved in a monoacrylate and hydroxy terminated unsaturated diesters, up to about 15% of a cresol formaldehyde dissolved in monoacrylates, about 1.5 to about 5% of a UV photoinitiator, up to about 5% of an acrylated methoxymethyl melamine, and up to about 0.1% of a flow control agent.

Abstract: An organic polar solvent-soluble aromatic polyamide-imide having therein aromatic nuclei linked at their respective 1 - and 3 - positions and having therein amide linkages and terminal groups unsubstituted or partially substituted with acrylate or methacrylate groups is found to impart excellent heat resistance and insulating property to a photoresist composition produced therefrom.

Abstract: A laminate having desirable physical and high temperature properties is described. The laminate is composed of a conventional fabric material impregnated with a polyimide reaction product of substantially stoichimetric amounts of bis(etheranhydride) with a diamine compound, said reaction product being cross-linked with a tri-functional isocyanate agent.

Abstract: The isocyanate polyoxyalkylenes having the formula:OCN--(AO).sub.x --(BO).sub.y --(CO).sub.z --DE I.wherein E is --NCO or an amino group; A, C and D represent lower alkylene of 2 to 4 carbon atoms; B is alkylene of 2 to 8 carbon atoms; y and z are each integers having a value of 0 to 50 and x is an integer having a value of from 2 to 50, and intermixtures of said polyoxyalkylenes.The above compounds display a wide variety of uses, namely for the control of fungi and bacteria or for the prevention of such infestation. They are also useful dielectric constant depressors for polymeric substances, e.g. polyvinylchloride, polyvinylidene halides, etc., extenders for solids in latices and anti-static agents.

Abstract: An organic polar solvent-soluble aromatic polyamide-imide having therein aromatic nuclei linked at their respective 1 - and 3 -positions and having therein amide linkages and terminal groups partially substituted with cinnamate groups is found to impart excellent heat resistance and insulating property to a photoresist composition produced therefrom.

Abstract: Hot-melt electrical coating compositions comprise high solids content polyesterimides prepared to an acid number of less than 6-7 in the presence of a monoether or monoester of a glycol or polyglycol and reacted hot with a blocked polyisocyanate. Such virtually solventless compositions provide insulation coatings on electrical conductors which have superior flexibility, especially after aging.

Abstract: A heat-curable and solvent-soluble ester group-containing polymer composition is prepared by the steps of:(1) either (i) reacting a highly polymerized linear aromatic polyester with a diaryl carbonate to depolymerize it to a solvent-soluble low-molecular-weight polyester (component A) containing terminal aryl carboxylate groups, or (ii) effecting the above depolymerization in the presence of a compound containing at least two specified functional groups thereby to form a modified solvent-soluble low-molecular-weight polyester (component A') containing terminal aryl carboxylate groups; and(2) either (i) mixing the resulting component A or A' with a monomeric or solvent-soluble polymeric, polyfunctional compound (component B) containing at least two hydroxyl and/or primary or secondary amino groups or (ii) partially reacting the resulting component A or A' with the component B. The composition has superior workability in molding and curing, and gives cured molded products of high utilitarian value.

Abstract: A resin composition for cationic electrodepositing paints which has a high throwing power and does not foul a top coated film and is particularly suitable for two-coat finishing, said resin composition comprising the reaction product of[A] a basic polyamino resin containing amino groups and/or hydroxyl groups capable of reacting with isocyanate groups, with[B] a polyisocyanate mixture composed of(i) 40 to 95 mole % of a low-volatile partially blocked aromatic polyisocyanate containing at least two benzene rings having an isocyanate group directly bonded to a nuclear carbon atom, in which substantially all isocyanate groups except one are blocked with an alcohol,(ii) 2.5 to 60 mole % of a low-volatile fully blocked aromatic polyisocyanate containing at least two benzene rings having an isocyanate group directly bonded to a nuclear carbon atom, and(iii) 2.

Abstract: Water based coatings have been developed comprising water containing dispersed liquid droplets of water immiscible, hydroxy functional organic material, which are emulsified in the water, the water having dispersed therein an amine salt constituted by a salt of a solubilizing acid with a polyamide having a plurality of terminal primary amine groups. About one of the primary amine groups in the polyamide is unsubstituted, and at least about 70% of the isocyanate-reactive amino hydrogen atoms in the polyamide other than in the unsubstituted primary amine group are reacted with one isocyanate group of an organic polyisocyanate, the remaining isocyanate groups of which are blocked by a volatile blocking agent. The blocked isocyanate groups are nonreactive at room temperature and the unblocked isocyanate groups are reactive with the hydroxy functionality of the organic hydroxy functional material at elevated temperature.