Abstract: A polycarbonate blend having both improved solvent resistance and improved impact strength comprising in admixture a polycarbonate, a styrenic thermoplastic resin, a grafted olefin/carbon monoxide copolymer and, optionally, a rubber toughening agent.

Abstract: Polymer blend compositions comprising a polycarbonate, a graft copolymer and a rigid copolymer exhibit improved low-temperature impact properties. The polycarbonate has a weight average molecular weight, Mw, not less than 35,000 and the rigid copolymer has a weight average molecular weight, Mw, not less than 130,000. The graft copolymer is formed from at least two ethylenically unsaturated monomers graft polymerized to a rubbery polymer substrate. The rigid copolymer is formed from at least two ethylenically unsaturated monomers and is compatible with the graft copolymer.

Abstract: Modified poly(alkylene carbonate) polyahls comprising the residue of at least one polyahl, at least one modifier, poly(alkyleneoxy) units, poly(alkylene carbonate) units, and a plurality of active hydrogen end groups are disclosed. The modifed polyahls have an average molecular weight higher than any known polyahls containing at least the same weight percent modifier and the same poly(alkyleneoxy) and poly(alkylene carbonate) residues. Also disclosed are isocyanate-functional prepolymer compositions of these modified poly(alkylene carbonate) polyahls, which contain the residue of at least one modified poly(alkylene carbonate) polyahl of this invention and excess organic polyisocyanate units. Urethane/urea polymers formed by the reactions of the isocyanate-functional prepolymers with polyahls are also disclosed.

Abstract: A composition comprising an admixture of:(a) at least one high molecular weight aromatic carbonate resin; and(b) an impact modifying, gasoline solvent resistant effective amount of an ethylene alkylacrylate wherein alkyl is from one to six carbon atoms, inclusive, and the ethylene is from about 55 to 75 weight percent aand the alkylacrylate is from about 25 to 45 weight percent, based on the ethylene alkylacrylate polymer.

Abstract: The present invention relates to thermoplastic moulding materials of (A) thermoplastic polycarbonates mixed with (B) thermoplastic polyalkylene terephthalates and, if appropriate, with (C) elastomeric polymers, which are characterized in that they contain (D) a polycarbonate-polyphenylene oxide block co-condensate.

Abstract: A novel resinous composition used for coating comprising an amphoteric polyester resin whose acidic groups are capable of developing a resinous acid value are controlled in kind and are modified with saturated alicyclic acids and etherified amino-formaldehyde resins. This resinous composition is characterized by having all of the advantages possessed by oil-free polyester resin compositions in respect to weather resistance, the mechanical properties of the coating, interlaminar adhesion and the like, and furthermore, are excellent, inter alia, weather resistance because of be modified with saturated alicyclic acids. Also the curing properties are improved because of the control of the acidic groups and because the resins are amphoteric, they are compatible with melamine resins and have excellent pigment dispersibility. The invention also provides a coating composition containing as a vehicle, the abovementioned resinous composition.

Abstract: Thermoplastic molding composition of a polycarbonate and a linear low density polyethylene wherein a C.sub.4 -C.sub.7 alpha-olefin is the comonomer.

Abstract: In accordance with the present invention an epoxy resin is cured with an amine curative comprising an alkylene carbonate solution of a solid elastomeric polyurethane in admixture with an amine-type curing agent.

Abstract: Compositions of a thermoplastic polyolefin resin reinforced with glass fibers and including a minor amount of a high molecular weight aromatic polycarbonate resin as a impact modifier.

Abstract: This invention relates to liquefied normally solid forms of polyoxyalkylene block copolymers particularly suitable for use in pesticide concentrates comprising a normally solid polyoxyalkylene block copolymer nonionic surface-active agent and an alkylene glycol having 3 to 5 carbon atoms with or without water.

Abstract: Advanced, etherified aminoplast resins containing one or more guanamine residues are prepared by heating, at a pH of from 2.5 to 9, an etherified methylolated urea, cyclic urea, carbamate or melamine such as methylated methylolated urea, ethyleneurea, or propyleneurea with a guanamine, such as benzoguanamine or acetoguanamine. The products may be heated with resins containing at least two alcoholic hydroxyl, carboxylic acid, or carboxylic acid amide groups per molecule to form hard, crosslinked materials. They are particularly useful in forming surface coatings.

Abstract: Homogeneous, substantially single phase, stable solutions of the reaction product of asphalt, a vinyl aromatic monomer, and a rubbery polymer, in a toluene based solvent, are provided. These solutions may be sprayed onto metal surfaces to provide corrosion resistant coatings thereon and also coatings which have a sound dampening quality.

Abstract: An acid-neutralizable cationic electrodepositable resin composition comprising as a film-forming ingredient the reaction product of(A) an epoxy resin or an adduct of an epoxy resin with a primary amine and/or a secondary amine,(B) an amino-terminated condensation product between a maleinized fatty acid and a polyamine, and(C) a partially blocked polyisocyanate compound.The composition can form a cathodically electrodepositable aqueous bath by being neutralized with an acid, and can give a coated film having superior surface smoothness and corrosion resistance with a high throwing power.

Abstract: Primer compositions useful in the cure of adhesive compositions containing acrylate and/or methacrylate monomers, chlorosulfonated polyethylene and a peroxy free radical generator comprise (a) the condensation product of an aldehyde and a primary or secondary amine and (b) a salt of a non-transition metal selected from the group consisting of lead, tin, zinc, calcium, strontium, barium and cadmium. These primers and the two part adhesives prepared therewith are characterized by superior speed of cure and final bond strength.

Abstract: Diolefin-phenolic copolymeric antioxidants having solvent contents below 50 ppm and containing less than 0.3% of materials of molecular weight below 500 Daltons are recovered directly from a crude reaction product by removing catalyst and adjusting the reaction solvent content to 10-50% and thereafter subjecting the product to melt processing under volatilizing conditions at 200.degree.-425.degree. C, 0.1 to 10 mm Hg absolute, a surface area of at least 4 cm.sup.2 /g for from 0.5 to 7.5 minutes and then recovering the purified product.

Abstract: A process for preparing a thermoplastic randomly branched aromatic polycarbonate which process comprises reacting at least 20 weight percent of a stoichiometric quantity of a carbonate precursor with a mixture of a dihydric phenol and at least 0.05 mole percent of a polyfunctional aromatic compound in a medium of water and a solvent for the polycarbonate having present therein at least 1.2 mole percent of a polymerization catalyst, while concomitantly adding to the reaction medium sufficient alkali metal hydroxide to maintain a pH range of about 3.0 to about 6.0, and then adding sufficient alkali metal hydroxide to raise the pH to at least about 9.0 to less than about 12 while reacting the remaining carbonate precursor.

Abstract: A high solids pigmented coating composition is prepared from a curing agent and an ester diol binder which is a mixture of(a) 20-80 mole % of a compound having the general formula: ##STR1## where R.sub.1 represents the group formed by abstraction of the two carboxyl groups from a cycloaliphatic and/or aromatic dicarboxylic acid having 8 to 20 carbon atoms and R.sub.2 and R.sub.3 may be the same or different and represent groups formed by abstraction of the two hydroxyl groups from a divalent alcohol having 2 to .[.12.]. .Iadd.6 .Iaddend.carbon atoms, and m is a number of 1 - 3, and(b) 80-20 mole % of a compound having the general formula: ##STR2## where R.sub.4 represents the group formed by abstraction of the two carboxyl groups from an aliphatic dicarboxylic acid having 2 to 12 carbon atoms, and R.sub.5 and R.sub.6 may be the same or different and represent groups formed by abstraction of the two hydroxyl groups from a divalent alcohol having 2 to .[.12.]. .Iadd.6 .Iaddend.