Abstract: There are synthesized certain polycylic-vinyl reactive tackifiers for acrylic based pressure-sensitive adhesive polymers. The compounds have reactive pendant vinyl groups which copolymerize and graft to the adhesive polymer by means of UV or EB radiation. There are also provided novel pressure-sensitive adhesive compositions containing such reactive tackifiers.

Abstract: Molded products with improved dimensional stability and surface property can be obtained by in-mold curing of a polymerizable composition containing unsaturated urethane of a specified structure, alkyl (meth)acrylate, and a thermoplastic macromolecular compound capable of dissolving in or swelling by impregnating alkyl (meth)acrylate. These components are contained at specified weight ratio. The mold is initially at temperature 30.degree..about.120.degree. C. and the curing is effected in the presence of a radical initiator.

Abstract: The present invention provides a curable resin coating composition consisting essentially of:(i) a resin (A) containing .alpha.,.beta.-unsaturated carbonyl group and primary and/or secondary hydroxyl group, or(ii) a mixture of a resin (B) containing .alpha.,.beta.-unsaturated carbonyl group and a resin (C) containing primary and/or secondary hydroxyl group, and(iii) at least one curing catalyst selected from the group consisting of alkali metal alkoxides, metal hydroxides, organic acid salts of metals, quaternary ammonium hydroxides, quaternary phosphonium hydroxides, tertiary sulfonium hydroxides and organic acid salts of these onium hydroxides.

Abstract: The crosslinked polymerization product of the reaction product of a polymeric backbone containing pendant hydroxyl groups with an unsaturated monoisocyanate or of said reaction product with an ethylenically unsaturated monomer gives a hydrogel material suitable for making contact lenses.

Abstract: The present invention provides shaped articles having good transparency and high oxygen permeability in a specific direction thereof, which have been made from a block copolymer (a) composed of a polyalkyl methacrylate segment and a silicone-based polymethacrylate segment, or a block copolymer (b) or graft copolymer (c) containing a polyorganosiloxane as one component, according to a process permitting the creation of a specific higher-order structure. These shaped articles have high oxygen permeability at relatively low silicone contents and, therefore, can provide oxygen-permeable products having high tear strength and surface hardness.

Abstract: There are synthesized certain polycylic-vinyl reactive tackifiers for acrylic based pressure-sensitive adhesive polymers. The compounds have reactive pendant vinyl groups which copolymerize and graft to the adhesive polymer by means of UV or EB radiation. There are also provided novel pressure-sensitive adhesive compositions containing such reactive tackifiers.

Abstract: An adsorbent for optical resolution obtained by graft polymerizing an optically active vinyl monomer of the formula: ##STR1## wherein X is --CONH--, --COO-- or --NHCOO--, R.sup.1 is a hydrogen atom or a methyl group, and each of R.sup.2 to R.sup.4 which are different from one another, is a hydrogen atom, a hydrocarbon group or an alkoxycarbonyl group, or R.sup.2 and R.sup.3 together form a ring, to a crosslinked polymer carrier having groups to which said monomer is graft polymerizable.

Abstract: Ethylenically unsaturated carbamates prepared by addition of unsaturated isocyanates to the hydroxy groups of styrene allyl alcohol copolymers are formulated with allylic monomers and unsaturated co-reactants selected from (meth)-acryloyl monomers and oligomers, maleates and fumarates to provide air-dry-and heat-curable coating compositions.

Abstract: Copolymeric macromonomers containing alkyl acrylate and methacrylate units and units of polysiloxanylalkyl esters of acrylic and/or methacrylic acids and a terminal carbon-carbon double bond organo group are useful for copolymerizing with other acrylate or methacrylate esters to make improved polymer compositions such as for contact lenses.

Abstract: Ethylenically unsaturated carbamates are prepared by reaction of unsaturated isocyanates with the hydroxy groups of polyvinyl acetals. The ethylenically unsaturated carbamates either alone or formulated with unsaturated co-reactants such as (meth)-acryloyl monomers and oligomers, maleates and fumarates provide radiation curable coating compositions.

Abstract: Ethylenically unsaturated carbamates prepared by addition of unsaturated isocyanates to the hydroxy groups of styrene allyl alcohol copolymers are formulated with allylic monomers and unsaturated co-reactants selected from (meth)-acryloyl monomers and oligomers, maleates and fumarates to provide air-dry-and heat-curable coating compositions.

Abstract: Ethylenically unsaturated carbamates prepared by addition of unsaturated isocyanates to the hydroxy groups of polyvinyl acetals are formulated with allylic monomers and optionally unsaturated co-reactants selected from (meth)-acryloyl monomers and oligomers, maleates and fumarates to provide air-dry- and heat-curable coating compositions.

Abstract: Isocyanate functional polymers useful as crosslinking agents or as moisture curing polymers, which comprise the addition polymerization reaction product of:(a) 1 to 100% by weight of at least one isocyanate functional ethylenically unsaturated monomer which comprises the reaction product obtained by the gradual addition of an ethylenically unsaturated monomer having a single active hydrogen to a diisocyanate selected from the group consisting of isophorone diisocyanate and 2,4 toluene diisocyanate wherein the final molar ratio of active hydrogen containing monomer to diisocyanate is essentially 1 to 1; and(b) 0 to 99% by weight of at least one ethylenically unsaturated monomer which is free of active hydrogen functionality and which is copolymerizable with the ethylenically unsaturated isocyanate functional monomer.

Abstract: An arc-quenching composition that is suitable for deionizing and extinguishing a high-voltage electrical arc comprises an arc-extinguishing material, such as melamine, and a binder, the binder including a thermoplastic polymer polymerized from a carboxylic acid moiety-containing monomer either as a homopolymer or as a copolymer with another monomer, preferably ethylene acrylic acid. The composition comprises effective amounts by weight of the arc-extinguishing material and the thermoplastic polymer to achieve the desired combination of arc-extinguishing properties and structural characteristics, such as tensile strength, elongation, and environmental resistance to thermal cycling. Additionally, the composition for various application and uses may include additives, fillers or fibrous materials. The composition is achieved by compounding of the powdered constituents using dry blending, roll mill, extrusion and/or other plastic compounding techniques to obtain a molding resin.

Abstract: Disclosed are (1) an aqueous coating composition which is characterized in that the composition comprises:(A) an acrylic resin-type emulsion,(B) a urethane resin-type emulsion and(C) a crosslinking agentthe component (B) being a self-emulsifiable urethane emulsion prepard by subjecting a urethane prepolymer to reaction for chain extension by water and to emulsification after or during neutralization of the urethane prepolymer with a tertiary amine, the urethane prepolymer consisting essentially of (i) an aliphatic and/or alicyclic diisocyanate, (ii) a polyether diol and/or polyester diol both having a number-average molecular weight of about 500 to about 5000, (iii) a low-molecular weight polyhydroxyl compound and (iv) a dimethylolalkanoic acid in an NCO/OH ratio by equivalent of 1.1-1.9/1; and (2) a two-coat one-bake coating method characterized by use of said aqueous coating composition as the base-coat composition.

Abstract: Magnetic recording media have been made with a new class of binder resins having the formula ##STR1## wherein the portion of the copolymer having the a subscript comprises 50 to 97 weight percent of the copolymer, the portion of the copolymer having the b subscript comprises 0 to 30 weight percent of the copolymer, the portions of the copolymer having the c and d subscripts combinec comprise, 0.1 to 20 weight percent of the copolymer, while d can be 0,R.sub.1 is an alkyl group selected from --CH.sub.3 and --(CH.sub.2).sub.n1 CH.sub.3 wherein n1=1-10,R.sub.2 is an alkylene group which may be --CH.sub.2).sub.n1 or --CH.sub.2).sub.n2 (CH)(CH.sub.2).sub.n3 CH.sub.3, n2=1-4 and n3=0-4,R.sub.3 may be selected from --H and --CH.sub.3, n5=0 or 1, and X is a linking group which is stable under electron beam irradiation and may be, for example, ##STR2## R.sub.4 =C1-6 alkylene, for example, with the proviso that when d=0, there is at least one additional polymer in the binder.

Abstract: A silicon-urethane (meth) acrylate which is a reaction product of an isocyanato-alkylsilane compound represented by the following general formula: ##STR1## wherein R.sub.1 represents an alkylene group having 2 to 5 carbon atoms, R.sub.2 represents an alkyl group having 1 to 5 carbon atoms or alkoxy group having 1 to 5 carbon atoms, and R.sub.3 and R.sub.4 each represents an alkyl group having 1 to 5 carbon atoms, and a hydroxyl group-containing ester of (meth) acrylic acid, a resin composition and a coating material for optical glass fiber comprising said silicon-urethane (meth) acrylate.

Abstract: Metal drier moderated to provide compositions of extended pot life by at least one compound of niobium, zirconium, titanium, tungsten, boron, silicon, phosphorus or aluminum. Coating compositions of free radical polymerizable compounds and moderated metal drier exhibit lower propensity to yellowing.

Abstract: Metal drier moderated to provide compositions of extended pot life by at least one molybdenum compound. Coating compositions of free radical polymerizable compounds and moderated metal drier exhibit lower propensity to yellowing.

Abstract: Ultraviolet-curable ethylenically unsaturated liquid coating composition are disclosed which consist essentially of:1--polyethylenically unsaturated material in which the ethylenically unsaturated groups are polymerizable groups which are not (meth)acrylate groups;2--a polyamine resin, preferably a polytertiary amine resin; and3--an aryl ketone photosensitizer.

Abstract: Ethylenically unsaturated aqueous urethane dispersions of controlled molecular weight are prepared by first reacting an active hydrogen atom containing polymerizable vinyl compound with a diisocyanate to produce a monoacrylated diisocyanate adduct in the presence of excess diisocyanate.The adduct thus formed, being a nearly selectively made mono-ethylenically unsaturated mono-isocyanate compound, is used in preparing an aqueous urethane polymer dispersion by reacting this adduct with polyisocyanates, organic compounds containing active hydrogen atoms like polyols and polyamines and organic compounds containing at least one active hydrogen atom and at least one group capable of saltformation, followed by neutralizing, dispersing in water and chain-extending the prepolymer.

Abstract: Organopolysiloxanes which have end groups of the general formula ##STR1## where R is alkenyl, Z is alkylene, R.sup.1 is a monovalent organic group, and a is 2 or 3, when mixed with organohydrogensiloxane and a platinum catalyst cure to high strength products without the use of a reinforcing filler.

Abstract: Compounds of the formula ##STR1## are suitable as curing accelerators which can be incorporated into ethylenically unsaturated, cold-curable resins.

Abstract: High solids alkyd resin coatings are prepared by reacting at least a portion of the available hydroxyl groups on a resin with an ethylenically unsaturated monoisocyanate monomer. The new products, useful both as the major vehicle resin in high solids coatings and as a cure modifier for oxidatively curable alkyd, polyester and acrylic resins, impart improved drying and weathering properties to coatings while maintaining low paint viscosity.

Abstract: This invention relates to radically hardening adhesives, which contain polymerisable isocyanates and which are distinguished by high adhesive capacity on plastics materials.

Abstract: Crosslinked, preferably acrylic, preferably melamine crosslinking, polymer particles characterized in that the particles are formed by reactions comprising free radical addition polymerization of:(a) between about 0.5 and about 20 weight percent each of first and second monomers wherein said first monomer bears ethylenic unsaturation and functionality capable of crosslinking reaction with the other functionality present on the second monomer bearing multiple other functionalities and bearing no ethylenic unsaturation; and(b) between about 99 and about 60 weight percent of at least one other monethylenically unsaturated monomer;in the presence of (I) an organic liquid which is a solvent for the polymerizable monomers, but a non-solvent for the resultant polymer, and (II) polymeric dispersion stabilizer wherein the reaction is carried out at elevated temperatures such that the dispersion polymer forms and then is crosslinked.

Abstract: Crosslinked, preferably acrylic, preferably melamine crosslinked, polymer particles formed by reactions comprising free radical addition polymerization of:(a) between about 0.5 and about 20 weight percent each of first and second monomers, each bearing functionally capable of crosslinking reaction with the other and additionally wherein the first monomer is ethylenically unsaturated and the second monomer bears multiple crosslinking functionality and no ethylenic unsaturation,(b) between about 60 and about 99 weight percent of at least one other monoethylenically unsaturated monomer;in the presence of (I) an organic liquid which is a solvent for the polymerizable monomers, but a non-solvent for the resultant polymer, and (II) polymeric dispersion stabilizer wherein the precursor of the first segment of the stabilizer comprises a long chain hydrocarbon molecule having only one reactive group per molecule, preferably being a carboxyl group.

Abstract: Crosslinked, preferably acrylic, polymer particles characterized in that the particles are formed by free radical addition polymerization of:(a) between about 0.8 and about 20 weight percent each of first and second ethylenically unsaturated monomers each bearing functionality capable of crosslinking reaction with the other; and(b) between about 98.4 and about 60 weight percent of at least one other monoethylenically unsaturated monomer;in the presence of (I) an organic liquid which is a solvent for the polymerizable monomers, but a non-solvent for the resultant polymer, and (II) polymeric dispersion stabilizer wherein the reaction is carried out at elevated temperatures such that the dispersion polymer forms and then is crosslinked the stabilizer comprises the reaction product of an acrylic polymer-hydrocarbon molecule adduct having hydroxyl functionality with unsaturated monoisocyanate.

Abstract: An addition polymerizable UV stabilizer is prepared by reacting an isocyanatoalkyl ester of an addition polymerizable carboxylic acid (such as 2-isocyanatoethyl methacrylate) with an UV stabilization functionality bearing an active hydrogen moiety which is reactive with the isocyanate (such as 2-hydroxy-4-(2-hydroxyethoxy)benzophenone).

Abstract: Crosslinked, preferably acrylic, polymer particles characterized in that the particles formed by free radical addition polymerization of:(a) between about 0.8 and about 20 weight percent each of first and second ethylenically saturated monomers each bearing functionality capable of crosslinking reaction with the other; and(b) between about 98.

Abstract: There is disclosed an improved process for cross-linking polymers by contacting said polymers with a cross-linking agent at an elevated temperature. The improvement comprises using as the cross-linking agent a compound of the formula ##STR1## wherein R.sub.1 and R.sub.2 are independently selected from the group consisting of alkyl groups having 1-22 carbon atoms, alkenyl groups having 2-22 carbon atoms, cyclohexyl groups having 6-20 carbon atoms, phenyl groups having 6-20 carbon atoms, aralkyl groups having 7-20 carbon atoms, alkyloxy groups having 1-22 carbon atoms, alkenyloxy groups having 2-22 carbon atoms, and cyclohexyloxy groups having 6-20 carbon atoms, all of which groups may be substituted or unsubstituted; R.sub.3 is selected from the group consisting of hydrogen, alkyl groups having 1-22 carbon atoms, alkenyl groups having 2-22 carbon atoms, cyclohexyl groups having 6-20 carbon atoms, phenyl groups having 6-20 carbon atoms, aralkyl groups having 7-20 carbon atoms, and ##STR2## wherein R.sub.

Abstract: Addition polymerizable polymers having a polyethylenic backbone with pendant acryloyl urethane groups are usefully employed as flooring materials and in other applications utilizing radiation curable or chemically curable materials. Such polymers are advantageously prepared by reacting a polymer of an isocyanatoalkyl ester of an .alpha.,.beta.-ethylenically unsaturated carboxylic acid, e.g., 2-isocyanatoethyl methacrylate with an active hydrogen-substituted alkyl ester of acrylic acid, e.g., hydroxyethyl acrylate.

Abstract: Hydrocarbyl esters of N-cyclopropyl-N-hydrocarbylcarbamic acids, such as ethyl N-benzyl-N-cyclopropylcarbamate, are effective coupling agents for conjugated diene polymerization systems employing an alkali metal-based initiator.

Abstract: A copolymer emulsion comprising (I) a copolymer obtained by copolymerizing (A) a dicyclopentadiene derivative, (B), an .alpha.,.beta.-unsaturated monomer having one or more OH groups, (C) an .alpha.,.beta.-unsaturated monomer copolymerizable with the components (A) and (B), followed by the reaction of the resulting copolymer with (D) a partial allyl ether of polyhydric alcohol having one or more terminal isocyanate groups, and (II) water can be cross-linked and cured at normal temperatures to give coating films particularly excellent in hardness, water resistance, corrosion resistance and solvent resistance.