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: This transparent conductive film comprises a single-layer film obtained by coating on a substrate a transparent conductive film-forming coating liquid which contains chainlike agglomerates of noble metal-coated silver microparticles and a binder, the chainlike agglomerates having an average primary chain length set within the range of 100 to 500 nm, an average thickness set within the range of 1 to 30 nm and an average primary chain length-average thickness ratio set within the range of 3 to 100, and the binder being set within the range of 40 to 200 parts by weight based on 100 parts by weight of the noble metal-coated silver microparticles, wherein the single-layer film has a surface resistance of 50 to 2000 ?/? and a visible ray transmittance of 40 to 95% as determined alone and independently of the substrate.

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 provides secondary sulfonamide polymers, wherein some, most, or all of the sulfonamido protons have been replaced with a substituent other than hydrogen. The invention also provides methods for preparing such polymers as well as devices (e.g. composite membranes) incorporating such membranes.

Abstract: The present invention relates to an interactive system comprising at least one active surface of plastic from monomers containing at least one structural element derived from a carbon dioxide (A), and at least one substance associated to a linker with at least one structural element (B) capable of establishing a hydrogen bond, and involving an interaction between the structural elements (A) and (B). That interactive system is suitable for presenting and eliminating substances in liquids.

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: 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: 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: Sulfonimide cure catalysts are used with aminoplast crosslinking agents and resins capable of reacting with aminoplast crosslinking agents to prepare heat curable compositions capable of crosslinking to form coatings and articles. Liquid or solid curable compositions may be prepared. Solid sulfonimide catalysts used in combination with solid glycoluril type crosslinking agents are well suited for powder coating systems containing hydroxy- and carboxy-functional resins.

Abstract: A polymer composition especially suitable for producing fiber-reinforced structures having advantageous fracture toughness comprises a polyarylsulphone component and a thermoset resin component, each of which components is present at least partly as a phase continuous in at least one dimension. Preferred polyarylsulphones contain repeating units (PhSO.sub.2 Ph).sub.n and (Ph).sub.a linked through ether and/or thioether, where Ph is phenylene, n=1 to 2 and a=1 to 3; and such polyarylsulphones having amino end groups are provided as new compounds. The compositions can be made by spinodal decomposition of a mixture of the polyarylsulphone and a thermoset resin precursor.

Abstract: Epoxy resin compositions which contain (1) an epoxy resin which has two or more epoxy groups in its molecule, (2) a polythiol compound which has two or more thiol groups in its molecule and (3) an accelerator which is (i) a solid dispersion-type amine adduct latent curing accelerator or (ii) the product of a reaction between a compound which contains one or more isocyanate groups in its molecule and a compound which has at least one primary and/or secondary amino group in its molecule, exhibit excellent curability at relatively low heating temperatures as well as a long working life.

Abstract: The invention relates to a coating composition containingA) 50 to 90% by weight of one or more hydroxyl-containing addition polymers, prepared by copolymerization of ethylenically unsaturated monomers which are in part hydroxyalkyl esters of .alpha.,.beta.-ethylenically unsaturated carboxylic acids andB) 10 to 50% by weight of one or more amino resin crosslinking agentsthe sum of the proportions by weight of A and B being 100% by weight, and suitable auxiliaries and additives, optionally pigments, optionally fillers, organic solvent and an acid catalyst.The coating composition is one wherein the acid catalyst used comprises1) sulfo- or sulfonio[sic]-succinic esters which each contain at least one hydroxyl group and/or2) sulfo- or sulfonio[sic]-succinic polyesters which each contain at least one hydroxyl group.The invention furthermore relates to a process for the preparation of the coating compositions according to the invention and to their use as an automobile repair finish or as a stoving paint.

Abstract: Sulphonamide compounds of the formula ##STR1## are prepared by condensation of sulphonamides of the formulaR.sup.1 --SO.sub.2 --NH.sub.2-m-p R.sup.2.sub.m (--CH.sub.2 OH).sub.pwith formaldehyde and diols or diol monoethers of the formula ##STR2## in a molar ratio of sulphonamide: formaldehyde: diol or diol monether of 1:(1-p):0.5 to 1:(4-p):6 in the presence of a catalyst which splits off water and at temperatures of 80.degree. to 250.degree. C.,whereinR.sup.1 is phenyl, phenyl substituted phenyl, or alkyl substituted phenyl having 1 to 4 alkyl carbon atoms,R.sup.2 is alkyl having 1 to 4 carbon atoms,R.sup.3 is hydrogen or alkyl having 1 to 4 carbon atoms,R.sup.4 is hydrogen or alkyl having 1 to 18 carbon atoms,R.sup.5 is hydrogen, R.sup.2, ##STR3## R.sup.6 is R.sup.4 or ##STR4## m is zero or one, p is zero, one or two with the sum of m and p ranging from 0 to 2, andn is a number from 2 to 19q is one, two or threeand the compounds so obtained are used as modifying agents for melamine resins.

Abstract: A method for curing an aromatic polythioether sulfone, which comprises mixing an aromatic polythioether sulfone polymer with a member selected from the group consisting of (a) a compound having at least two epoxy, isocyanate or maleimide groups per molecule, (b) an aminoplast resin, (c) a metal chelate compound of acetylacetone, and (d) a halide of a metal belonging to Group VIII or IB of the Periodic Table, followed by heat treatment.

Abstract: Cathodic coating agents which are rendered water-dilutable by the addition of an acid, contain binder systems possessing basic nitrogen groups and may or may not contain pigments, dyes, fillers, solvents, antioxidants, other surface coating assistants and/or additional crosslinking components, the binder system containing sulfonate and/or phosphonate groups or the esters of these groups in an amount of from 0.05 to 3% by weight, and the preparation of such products.The novel coating agents are useful for the cathodic electrocoating of electrically conductive substrates.

Abstract: Water-dilutable resinous products are obtained by reacting(A) a resin having at least one phenolic hydroxyl group and a free position ortho and/or para to a phenolic hydroxyl group, and containing a residue formed by polymerization of a vinyl monomer in the resin or in a precursor thereof,(B) an aldehyde, and(C) sulphurous acid or an organic acid containing a primary or secondary amino group or a mercaptan group and a carboxylic, sulphonic or phosphonic acid group, or a water-soluble salt thereof.Aqueous compositions containing the resinous products and, if required, and aminoplast, a phenoplast or a blocked polyisocyanate, usually together with a minor amount of an organic solvent, are useful in the formation of surface coatings.

Abstract: Thermosetting high solids coating compositions which: (i) cure, at least in part, by reaction between an amine-aldehyde compound and hydroxyl functionality on a film-forming component, which hydroxyl functionality is either generated in situ during the cure of the composition or is both generated in situ during cure and is present on the film-forming component prior to curing; (ii) are adapted for low temperature bake applications; and (iii) contain greater than about 55% by weight of nonvolatile solids. The claimed high solids coating compositions, exclusive of pigments, solvents and other nonreactive components, consist essentially of:(A) a film-forming component selected from the group consisting of an epoxy functional copolymer and polyepoxide resin;(B) a latent reactive catalyst comprising the reaction product of (i) a copolymer bearing pendent epoxy functionality, and (ii) a particular sulfonic acid;(C) an amine-aldehyde crosslinking agent; and(D) an optional hydroxy functional additive.

Abstract: Thermosetting compositions comprising: (A) a sulfonic acid ester comprising the reaction product of an epoxy functional polymer bearing hydroxyl functionality, and a sulfonic acid having the formula ##STR1## wherein R is selected from linear or branched alkyl groups and aryl groups; and (B) an amine aldehyde crosslinking agent.During cure of the composition, component (A) breaks down to form not only a reactive sulfonic acid catalyst, but also the hydroxy functional film forming material which crosslinks with the amine aldehyde crosslinking agent.

Abstract: The invention is directed to resins which are the reaction product of an amino or mercapto substituted azole and a polyepoxide wherein the ratio of equivalents of the azole to the polyepoxide is from about 0.5:1.0 to about 1.5:1.0, preferably from about 0.9:1.0 to about 1.1:1.0. The resins can be acid or base solulized depending on whether amino or mercapto substituted azoles were used in their preparation. The invention is also directed to storage stable compositions which cure at relatively low temperatures in short periods of time comprising specified amounts of the resin containing azole-functionality, polyepoxides, organic solvents, and optionally pigments and additives.

Abstract: Water-thinnable, heat curable binders for coatings are prepared by reacting a polyglycidyl ether of a polyhydric phenol with neutralized sulphanilic acid in a ratio of from 0.9 to 1.1 aminohydrogen equivalents per epoxy equivalent.

Abstract: Thermosetting compositions comprising a film forming component bearing or capable of generating hydroxyl functionality, amine-aldehyde crosslinking agent, and a latent reactive catalyst comprising the reaction product of (i) a copolymer bearing pendent epoxy functionality, and (ii) a sulfonic acid having the formula ##STR1## wherein R is selected from linear or branched alkyl groups and aryl groups.Preferred compositions within the scope of the invention include high solids, thermosetting coating compositions suitable for automotive applications.

Abstract: A semipermeable membrane composed of a water-insoluble, cross-linked, membrane-forming polymer (hereinafter referred to as "polymer (II)") which is obtained by partially converting the hydroxyl groups of a polymer represented by the following formula (hereinafter referred to as "polymer (I)"): ##STR1## wherein R and R' are halogen, nitro, methyl or ethyl,X stands for a divalent group selected from methylene, ethylene, isopropylidene, ether (--O--), carbonyl (--CO--), sulfide (--S--), sulfoxide (--SO--) and sulfone (--SO.sub.2 --),l and m are integers of from 0 to 4, p is 0 or 1, andn is an integer of from 100 to 1000,to sulfuric acid groups or alkali metal, ammonium or nitrogen-containing basic organic compound salts thereof, and then cross-linking the "polymer (II)".

Abstract: Thermosetting compositions comprising a film forming component bearing or capable of generating hydroxyl functionality, amine-aldehyde crosslinking agent, and a latent reactive catalyst having the formula: ##STR1## wherein R is selected from alkyl or aryl groups and X is selected from 2-hydroxycycloalkyl and aryl substituted 2-hydroxycycloalkyl groups.Preferred compositions within the scope of the invention include high solids, thermosetting coating compositions suitable for automotive applications.

Abstract: Organic materials such as polyethylene, polystyrene and polypropylene are more efficiently sulfonated by contacting them with an essentially dry gaseous mixture of sulfur trioxide and chlorine. Sulfonated organic polymers prepared by this process are adhesive, antistatic and highly impermeable to oleophilic materials such as gasoline, and common hydrocarbon solvents.