Abstract: In one aspect, this invention is a primer which comprises a solution of: (a) a polyester resin of a carboxylic acid and a glycol; and (b) a polymethylene poly(phenyl isocyanate), diphenylmethane diisocyanate, or mixture thereof; in a volatile solvent, wherein the weight ratio of (a):(b) is in the range of from about 0.25:1.0 to 2.0:1.0. In a second aspect, this invention is a primer which comprises a solution of: (a) 5-18 weight percent of a polyester resin of a carboxylic acid and a glycol; and (b) 6-17 weight percent of a polymethylene poly(phenyl isocyanate), diphenylmethane diisocyanate, or mixture thereof; in a volatile solvent. It has been discovered that the primer of the invention advantageously provides improved adhesion characteristics of metal-to-glass bonding when used to prime paint-coated metal substrates before the application of a urethane adhesive, particularly when used with a "fast cure" adhesive comprised of an isocyanate-functional prepolymer and dimorpholinediethyl ether.

Abstract: This invention relates to heat and light stabilizer compositions for vinyl halide resin compositions comprising organotinthioalkanol compounds that are stabilized against gelation and precipitation, to methods of preparing the stabilizer compositions, and to stabilized vinyl halide resin compositions.

Abstract: A surface coating composition comprising in combination between about 15 to 75 percent by volume fluoropolymer resin having UV absorbent properties, up to about 30 percent by volume acetic acid ester, up to about 60 percent by volume methyl amyl ketone, and between 1 to 20 cc per gallon dibutyltin dilaurate. To this mixture, a cross-linking/hardening agent is added in sufficient amount. Additional components may be added for specific application environments. The liquid composition can then be applied to the surface to be coated, where it will cross-link and harden adhered to the surface.

Abstract: The present invention comprises a stabilized halogen containing polymer, preferably poly(vinyl halide), and more preferably poly(vinyl chloride) composition. A preferred polymer composition is a rigid halogenated polymer such as rigid poly(vinyl chloride). The composition contains at least one metal salt selected from the group consisting of at least one carboxylic acid or derivative thereof having at least two carboxyl groups, at least one carboxyl group and at least one hydroxyl group, at least one carboxyl group and at least one mercaptan, and an aromatic carboxylic acid having at least one carboxyl group. The metal salt is most preferably disodium adipate.

Abstract: A synergistic composition of biocides for the preparation of anti-fouling paint preferably containing at least one of the group of 3-iodo-2-propynyl-butyl carbamate, 3-iodo-2-propynyl-cyclohexyl carbamate, 3-iodo-2-propynyl phenyl carbamate, 3-iodo-2-propynylbenzyl carbamate, 3-iodo-2-propynyl propyl carbamate and 4-iodo-3-butynyl propyl carbamate and at least one of the group of tributyltin compounds consisting of bis(tributyltin) oxide, tributyltin fluoride, tributyltin methacrylate, tributyltin phosphate and tributyltin naphthenate. Said composition is more effective in protecting ship bottoms or underwater constructions than each component itself.

Abstract: The present invention provides a new vinyl chloride polymer coating material which can be top-coated with acid-catalyzed coating compositions at low curing temperatures without compromising the adhesion of the coating to the metal substrate and without inhibiting the cure of subsequently applied coating. In accordance with the present invention, a new plastisol coating composition comprises a finely-divided vinyl chloride polymer together with a plasticizer and from about 0.5 to about 5 percent by weight of a composition of an adhesion promoter which is a non-gelled condensation product ofa) a polymerized fatty acid; andb) a mixture of amines being present in a concentration to produce a final amine value that ranges up to about 225, said mixture being comprised of a polyalkylene polyamine and an N-aminoalkylpiperazine.In addition, the present invention provides a new and improved adhesion promoter for use in the aforesaid vinyl chloride polymer coating composition.

Abstract: Compositions based on vinylidene fluoride polymers, which have a reduced smoke-producing capacity, comprising, as smoke-reducing agent, an effective amount of a dialkyltin dicarboxylate.The compositions are very particularly suitable for the manufacture of shaped articles in the building and the aeronautical industries.

Abstract: Halogenated vinyl polymer compositions containing molybdenum smoke retardants and organotin compounds having an overall ratio of sulfur to tin of not more than 1.7 gram atoms of sulfur per gram atom of tin, typically from about 0.6 to about 1.7 and preferably from about 0.6 to about 0.9 gram atoms of sulfur per gram atom of tin.

Abstract: The polyvinyl chloride (PVC) resin-based composition of the invention gives a molded article which suffers little from the disadvantageous phenomenon of surface whitening as is sometimes unavoidable when a conventional PVC resin-made article is prolongedly kept under adverse conditions as in hot water or in a high-temperature, high-humidity atmosphere. The composition characteristically comprises a limited amount of a partially saponified polyvinyl alcohol having an average degree of polymerization of 150 to 600 and a degree of saponification of 20 to 55% as a special additive in an amount of 0.8 to 5.0% by weight based on the PVC resin. The resin composition is also less subject to the disadvantage of a decrease in the transparency of the resin articles even when the resin composition is compounded with a metal-containing heat stabilizer such as organotin mercaptides.

Abstract: Non-toxic organotin catalysts containing at least one direct oxygen-to-tin bond and one direct carbon-to-tin bond are provided for use as esterification catalysts in the production of non-toxic polyester and polyester-containing compositions. Articles made from such polyester and polyester-containing compositions are suitable for use in regulated food, beverage, pharmaceutical, and medical-device applications.

Abstract: A storage stable adhesive for PVC plastics, particularly post-chlorinated PVC plastics, containing a basic mixture of 5 to 30% by weight post-chlorinated PVC and 95 to 70% by weight of an organic solvent, a stabilizer combination of effective quantities of organotin compounds and alkali metal carbonates from the group consisting of ammonium, lithium, sodium and potassium carbonates and also standard additives, such as impact modifiers, antioxidants and UV stabilizers can be included in the basic mixture. The composition has improved stability when stored in tin plated steel containers.

Abstract: In the suspension polymerization of styrene monomers in water using suitable suspension stabilizers, the only modifier needed has been found to be organotin compounds in amounts from 10 to 1000 ppm based on monomer. The product beads have a narrow bead size distribution.

Abstract: Rigid polyvinyl chloride stabilized against the adverse effects of ultraviolet radiation by the addition thereto of effective amounts of 2,2,6,6-tetraalkylpiperidine compound and an organotin carboxylate thermal stabilizer, optionally with reduced amounts of titanium dioxide, organotin mercapto esters and/or organotin mercaptide thermal stabilizers.

Abstract: A curable chlorinated polyethylene and copolyethylene composition comprising(A) 5 to 95% by weight, based on the total weight of (A) and (B), of a chlorinated polyethylene having a chlorine content of about 20 to about 50% by weight and derived from polyethylene having a melt index of 0.01 to 100,(B) 95 to 5% by weight, based on the total weight of (A) and (B), of a chlorinated copolymer of ethylene and a C.sub.2 -C.sub.5 alkyl acrylate or methacrylate, said copolymer having a chlorine content of about 2 to about 45% by weight and a melt index of 0.1 to 100,(C) 0 to 30 parts by weight, per 100 parts by weight of (A) and (B) combined, of an epichlorohydrin polymer or copolymer at least 40 mole % of which is derived from the epichlorohydrin, said polymer or copolymer having a specific reduced viscosity of 0.1 to 10 dl/g,(D) 0.1 to 5 parts by weight, per 100 parts by weight of (A), (B) and (C) combined, of a mercaptotriazine compound as a crosslinking agent,(E) 0.

Abstract: Aqueous silicone dispersions containing (a) polydiorganosiloxanes having hydroxyl groups in the terminal units, (b) (organo)metallic compound(s), (c) a siliconate, and optionally, (d) a silicone resin.These aqueous silicone dispersions will cure to form elastomeric coatings or sealants when the water is removed by evaporation.

Abstract: Graft polymers are prepared by reacting an ethylenically unsaturated polymerizable monomer with a polymer of an olefin of 2 to about 8 carbon atoms in a process wherein the olefin polymer is substantially insoluble in the monomer but is capable of absorbing the monomer. In a preferred aspect, a vinyl halide polyolefin graft polymer is produced by reacting a solid polyolefin particle with a vinyl halide monomer in which the polyolefin is substantially insoluble, but is capable of absorbing the monomer. The solid particles can be contacted with the monomer in one step or in stages. When the stage-wise reaction is continued until the proportion of polyolefin in the polymer product is about 2 to about 20 weight percent, the resulting product can be formed to a transparent or translucent article.

Abstract: This invention is directed to an adhesive composition comprising:(a) a copolymer of ethylene or a mixture of ethylene and another ethylenically unsaturated polymerizable monomer with a hydroxyalkyl ester or an epoxyalkyl ester, and(b) an organometallic compound of lead, tin, or titanium.

Abstract: A flame-retardant olefinic resin composition comprising(A) 100 parts by weight of a mixed resin consisting of an olefinic resin and a silane-grafted polymer obtained by grafting a silane to said olefinic resin,(B) 50 to 300 parts by weight of a hydrated metal compound, and(C) 0.1 to 30 parts by weight of a dicarboxylic acid or dicarboxylic acid anhydride derivative.

Abstract: Unfavorable interaction is prevented between (a) electroconductive particle fillers and (b) organic resin binders of the type which are normally instable with respect to viscosity when aged in contact with said fillers. Moreover, electroconductivity degradation is also avoided. In a preferred mode of the invention, the particle surface is treated with a coating of an interfacial pacifying agent such as a tetravalent tin compound which both enhances the electroconductive performance of the particles and also is sufficiently compatible with the resin binder to migrate into the binder sufficiently to avoid undue gelling of the binder by particle-borne contamination or residues of such contamination.

Abstract: Dye salts of a mono- or polycationic dye where the anion conforms to a general formula (1) or (2)[Me (XCN).sub.4 ].sup.2(-) (1)[Me (SCN).sub.6 ].sup.n(-) (2)in whichMe in the formula (1) is the divalent zinc cation, the divalent iron cation, the divalent cobalt cation, the divalent tin cation or the divalent copper cation, andMe in the formula (2) stands for the divalent iron cation, the divalent nickel cation or the trivalent iron cation,X stands for an oxygen or sulfur atom andn depending on the valency of the corresponding metal cation, denotes the number 4 or 3.The novel dye salts can be obtained for example from aqueous solution or suspension by reacting the corresponding cationic dye which has a customary anion with a metal cation Me donor compound and an alkali metal thiocyanate or cyanate, alkaline earth metal thiocyanate or cyanate or ammonium thiocyanate or cyanate. They are used in particular in the spin-dyeing of acid-modified polyacrylonitrile and copolymers thereof.

Abstract: The invention relates to a vinyl halide polymer composition suitable for outdoor use in the sunlight. The change in color as measured by .DELTA.E in articles made from the polymeric composition is found to be substantially lower than other compositions. The lower .DELTA.E provides a measurement for improved weatherability of the compositions in such applications as housing siding, window profiles, shutters and roof vents.

Abstract: Compositions for stabilizing halogen-containing organic polymers against the deteriorative effects of heat, light and weathering and which are non-irritating to eyes and mucous membranes, comprise the reaction product produced by combining an organotin oxide, an ethylenically unsaturated dicarboxylic acid ester and a mercaptan, wherein the chemical equivalence of the mercaptan is less than the chemical equivalence of the diorganotin oxide and the chemical equivalence of the diorganotin oxide is less than the chemical equivalence of the ester compound.

Abstract: A novel polymeric binder for use in an antifouling paint includes an acrylic or methacrylic ester monomer having selected substituted aryl or arylalkyl substituent groups in the ester moiety so that the ester is hydrolyzable at a suitable rate in seawater, and a copolymerizable ethylenically unsaturated monomer unit.

Abstract: Unfavorable interaction is prevented between (a) electroconductive particle fillers and (b) organic resin binders of the type which are normally instable with respect to viscosity when aged in contact with said fillers. Moreover, electroconductivity degradation is also avoided. In a preferred mode of the invention, the particle surface is treated with a coating of an interfacial pacifying agent such as a tetravalent tin compound which both enhances the electroconductive performance of the particles and also is sufficiently compatible with the resin binder to migrate into the binder sufficiently to avoid undue gelling of the binder by particle-borne contamination or residues of such contamination.

Abstract: Reduction in the adhesion to glass of thermoplastic, plasticized polyvinylbutyral molding compositions, in particular sheeting, by the addition of a metal salt and/or metal chelate of an enolizable .beta.-diketone, or mixtures of these compounds, as an non-stick agent, preferably in amounts of 0.003 to 0.3% by weight, relative to the plasticized polyvinylbutyral. It is preferable to employ the non-stick agent in the form of a solution in the plasticizer. The use of the sheeting having an adhesion to glass reduced in accordance with the invention as a laminating layer for the production of glass laminates.

Abstract: The disclosure of this application relates to compositions based on alkylene-alkyl acrylates and silanol condensation catalysts which are useful in the preparation of water-curable, silane modified alkylene-alkyl acrylate copolymers, capable of extrusion about wires and cables.

Abstract: Mixture consisting of an organo-tin alcoholate of the formula (I) ##STR1## and of an organo-tin mercaptide of the formula (II) or (III) ##STR2## which mixture additionally contains an organo-tin carboxylate of the formula (IV) or (V) ##STR3## in which formulae R.sup.1 is C.sub.1 -C.sub.12 alkyl, R.sup.2 is C.sub.10 -C.sub.30 alkyl, phenyl which is substituted by one or two C.sub.8 -C.sub.12 alkyl groups, R.sup.3 has the meaning assigned to R.sup.2 or is the --Sn(OR.sup.2)(R.sup.1).sub.2 group, wherein R.sup.1 and R.sup.2 are as defined above, X is sulfur or oxygen, R.sup.4 is the --S--CH.sub.2 CH.sub.2 --COOR.sup.5 or --X--Sn(R.sup.1).sub.n (S--CH.sub.2 CH.sub.2 --COOR.sup.5).sub.3-n group, in which R.sup.1 and X are as defined above, R.sup.5 is C.sub.8 -C.sub.14 alkyl, n is 1 or 2, and R.sup.6 is C.sub.10 -C.sub.30 alkyl, the weight ratio of I:II or I:III being in the range from 9:1 to 1:9. These mixtures are stabilizers for chlorinated polymers and also activators for the manufacture of foamed plastics.

Abstract: Blends of (a) a vinyl chloride polymer having a relative viscosity as measured at a concentration of 1 gram per 100 grams of cyclohexanone at 25.degree. C. falling within the range of about 1.50 to about 1.85; (b) a copolymer of a vinyl aromatic compound and an .alpha.,.beta.-unsaturated cyclic anhydride in which the relative proportions of said compound and said anhydride fall within the range of about 91 to about 70 weight percent of said compound and about 9 to about 30 weight percent of said anhydride; and (c) a tin-containing stabilizer and an impact modifier for vinyl chloride polymers. These blends contain 60 to 40 weight percent of (a) and 40 to 60 weight percent of (b) and have an Izod impact strength (ASTM D 256, Method A) of at least 0.5 foot pound per inch; a heat deflection temperature (ASTM D 648) at 66 psi of at least 75.degree. C.; and a dynamic thermal stability of at least 10 minutes.

Abstract: A postchlorinated polyvinyl chloride composition having high processability for preparing molded products of outstanding properties comprises postchlorinated polyvinyl chloride and a copolymer of methyl methacrylate and a styrene monomer blended with the chloride. The composition has good thermal fluidity with good releasability from metal surface in processing and gives molded products of a high softening point and outstanding transparency.

Abstract: A crosslinkable composition comprising a silyl modified ethylene (co)polymer, a defined phosphorus or antimony compound and optionally a silanol condensation catalyst. The silyl modified polymer has hydrolysable silane groups introduced therein by copolymerization grafting or transesterification. The phosphorus or antimony compound (e.g. tributyl phosphite) reduces premature crosslinking during extrusion of the composition.

Abstract: A polyester-polyether copolymer composition which comprises a polyester-polyether copolymer composed mainly of an aromatic dicarboxylic acid, 1,4-butanediol, and a polyalkylene glycol of average molecular weight from about 400 to 6,000, an effective amount of organotin compound, and an amide-containing phenolic antioxidant having the following general moiety: ##STR1## (where R is a secondary or tertiary alkyl group, R' is a hydrogen atom or a secondary or tertiary alkyl group, and n is from 0 to 6).

Abstract: The undesirable premature viscosity increase in polymer-based antifouling paints is retarded by incorporating into the formulation at least one hydroxylamine or alkanolamine in combination with a triorganotin compound. Alternatively, the reaction product of any of these materials may be utilized either singly or in combination with these components.

Abstract: A steering wheel for a vehicle formed from a molded polyurethane resin and a molded vinyl chloride resin which contains a heat stabilizer consisting of (I) 1 to 3 phr of the organo maleate, (II) 1 to 4 phr of zinc soap and 0.3 to 1.0 phr of an organo-phosphite, or (III) 1 to 3 phr of organotin maleate, 1 to 4 phr of zinc soap and 0.3 to 1.0 phr of an organo-phosphite.

Abstract: A solid composition, suitable for stabilizing a halogen-containing polymer, consisting essentially of (a) 16.7 to 50% by weight of a liquid sulfur-containing organotin stabilizer, in intimate admixture with (b) 83.3 to 50% by weight of a solid lubricant, having a melting point of 50.degree. to 120.degree. C., selected from the group consisting of paraffin wax, montan wax, oxidized paraffin wax, oxidized polyethylene wax, oxidized and partially saponified polyethylene wax and mixtures thereof.

Abstract: An improved conductive molding composition for the preparation of high density capacitance electronic discs is disclosed. The disclosed compositions are improved by the replacement of most or all of the conventionally used stabilizer ingredient with a tin mercapto ester or alkyl mercaptide represented by the formulae ##STR1## wherein R is a straight-chain alkyl radical having 4 to 8 carbon atoms; R.sub.1 is selected from --S-CH.sub.2 -COOR.sub.3 and --S-R.sub.3 ;R.sub.2 is R or R.sub.1 ; andR.sub.3 is a straight-chain alkyl radical having from 8 to 18 carbon atoms.

Abstract: An adhesive composition enhanced in storage stability which consists essentially of a main component and an activating component, the main component comprising (A) at least one of acrylic and methacrylic monomers, (B) chlorosulfonated polyethylene or a mixture of chlorinated polyethylene and a sulfonyl chloride, (C) an organic peroxide, (D) a phenolic stabilizer and (E) an organic tin compound, optionally with (F) an epoxy resin.

Abstract: A thermoplastic molding composition having high Izod Impact and heat deflection temperature is disclosed. This composition contains in intimate admixture: a vinyl chloride polymer; a copolymer of a vinyl aromatic compound and an .alpha.,.beta.-unsaturated cyclic anhydride; as a first impact modifier, chlorinated polyethylene resin; and as a second impact modifier either a MBS impact modifier, an ABS impact modifier, a MABS impact modifier or a mixture thereof. This copolymer of a vinyl aromatic compound and an .alpha.,.beta.-unsaturated cyclic anhydride can be rubber modified.

Abstract: Blends of (a) a vinyl chloride polymer having a relative viscosity as measured at a concentration of 1 gram per 100 grams of cyclohexanone at 25.degree. C. falling within the range of about 1.50 to about 1.85; (b) a copolymer of a vinyl aromatic compound and an .alpha.,.beta.-unsaturated cyclic anhydride in which the relative proportions of said compound and said anhydride fall within the range of about 91 to about 70 weight percent of said compound and about 9 to about 30 weight percent of said anhydride; and (c) a tin-containing stabilizer and an impact modifier for vinyl chloride polymers. These blends contain 60 to 40 weight percent of (a) and 40 to 60 weight percent of (b) and have an Izod impact strength (ASTM D 256, Method A) of at least 0.5 foot pound per inch; a heat deflection temperature (ASTM D 648) at 66 psi of at least 75.degree. C.; and a dynamic thermal stability of at least 10 minutes.

Abstract: A thermoplastic molding composition having good gloss and physical properties is disclosed. This composition contains in intimate admixture: a vinyl chloride polymer; a copolymer of a vinyl aromatic compound and an .alpha.,.beta.-unsaturated cyclic anhydride; a styrene-maleic anhydride copolymer having a number average molecular weight within the range of from about 1000 to about 8000; and an alkyl diphenyl phosphite. The copolymer of a vinyl aromatic compound and an .alpha.,.beta.-unsaturated cyclic anhydride can be rubber modified.

Abstract: Hydrolyzable polyester resin for an antifouling paint use having at least one metal-ester bondings, the metal being at least one member selected from the Groups Ib, IVa and VIII of the Periodic Table and the metal content being 0.3.about.10 wt %. The polyester resin is useful as resinous vehicle in self-polishing marine paint.

Abstract: Compositions suitable for forming marine anti-fouling surface coatings comprise a polymer (e.g. maleinized polybutadiene) capable of cross-linking with amines, a hydrocarbyl polyisocyanate and a hydrocarbyl tin oxide or sulphide. The composition is preferably in two packs, which are combined on the surface to be coated, one pack containing the polymer and tin oxide or sulphide, and the other the polyisocyanate. A (thio) carbamate is formed as an intermediate which then hydrolyzes to an amine.A method of coating surfaces and surface coatings so produced are also claimed.

Abstract: A silicone elastomeric emulsion having improved shelf life is produced by a method which mixes the ingredients of the emulsion with the exception of a filler other than colloidal silica, then ages the mixture for at least two weeks at room temperature then adds the filler other than colloidal silica. The improved emulsion yields a film upon drying that has better physical properties. The emulsion contains an anionically stabilized, hydroxyl endblocked polydiorganosiloxane, colloidal silica, and an alkyl tin salt, as well as the filler other than colloidal silica. The emulsion has a pH of greater than 9 and a solids content of greater than 40 percent by weight. The emulsion is useful in forming a protective elastomeric coating over a substrate and as a caulking material.

Abstract: Polyvinyl chloride polymers are made more heat degradation resistant by the incorporation of a diorganotin salt of an unsaturated aliphatic dicarboxylic acid ester and a hindered phenolic antioxidant.

Abstract: The heat stability of arylene sulfide resins, such as poly(p-phenylene sulfide) resin, is improved by the addition of cure retarders comprising certain organotin compounds such as the dialkyltin dicarboxylates. The resin compositions of the invention are particularly applicable for reducing gel formation during melt extrusion.

Abstract: A sheet-like article of polyvinyl chloride which is obtained by calendering a composition comprising polyvinyl chloride, a reactive plasticizer, a photosensitizer, a stabilizer and a polymerization inhibitor, and then irradiating the product with ultraviolet rays.

Abstract: A composition for an interlayer film of a laminated safety glass, said composition comprising (A) a thermoplastic resin resulting from copolymerization of (1) vinyl chloride, (2) glycidyl methacrylate and (3) at least one monomer selected from the group consisting of ethylenic hydrocarbons, vinyl esters of fatty acids, acrylic esters and vinyl ethers, and (B) a plasticizer.

Abstract: Chlorine-containing thermoplastics which contain, as a stabilizer, a compound of the formula I ##STR1## in which R.sub.1, R.sub.2 and R.sub.3 are as defined in the description.

Abstract: A stabilized halogen-containing resin composition which comprises (A) a halogen-containing resin, (B) at least one of methionine derivatives selected from the group consisting of compounds having the following structural formula (I) to (III) ##STR1## and (C) at least one of stabilizers selected from the group consisting of alkaline earth metal, zinc and organo tin compounds.

Abstract: 1,3-Dicarbonyl compounds are provided having the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are defined in the description as well as metal and organotin enolate salts thereof.The compounds are effective in enhancing the resistance to deterioration by heat and light of polyvinyl halide resins.

Abstract: Certain substituted thioglycolates and thiopropionates were found useful as secondary stabilizers for polymers, particularly polyvinyl chloride, when used in conjunction with metal octanoates, such as zinc octanoate, as the primary stabilizer. The specific thioglycolates and thiopropionates are those formed by thio adducts to the double bond of a monomer, such as the product of reacting isooctyl thioglycolate with glycidyl acrylate, to provide isooctyl S-2(glycidyloxycarbonyl)ethyl thioglycolate, as an example.