Abstract: A heat activatable adhesive or sealant organic resin composition comprising(1) an epoxy resin containing at least two ##STR1## (2) a thermal initiator selected from the group consisting of diaryliodonium salts and diaryliodonium salts combined with a pinacol, and(3) a thermoplastic adhesive material selected from the group consisting of polyesters, polyvinyl acetals, polyamides, butadiene-acrylonitrile copolymers, styrene-butadiene copolymers, styrene-isoprene copolymers, styrene-ethylene-butylene copolymers, ethylene-vinyl acetate copolymers, ethylene-ethyl acrylate copolymers, ethylene propylene diene monomer and mixtures thereof.The composition after application to the parts to be bonded or sealed forms a thermoset bond or seal on application of heat thereto, preferably by electromagnetic techniques including dielectric and induction heating.

Abstract: This invention relates to a thermosetting plastisol dispersion composition comprising(1) at least one copolymer of acrylonitrile-butadiene-styrene (ABS) in powder form, which is insoluble in the reactive plasticizer at room temperature and plasticizable at a temperature at or above the fluxing temperature;(2) a liquid reactive plasticizer member of the group consisting of (a) at least one epoxide resin having an average of more than one epoxide group in the molecule, (b) at least one liquid monomer, oligomer or prepolymer characterized by (1) containing at least one ethylenically unsaturated group and (2) capable of solvating the ABS at the fluxing temperature, and (c) a mixture of (a) and (b); and(3) an effective amount of either a thermal initiator or photoinitiator for plasticizers present in the composition.The plastisol dispersion after fluxing can form a thermoset sealant, coating or adhesive after the crosslinking reaction.

Abstract: This invention relates to novel cyanourea compounds of the formula: ##STR1## wherein R is the organic moiety of a polyisocyanate remaining after reaction of the isocyanate groups to form cyanourea groups and n is at least 2. The compound can be polymerized at room temperature to form a polymer having the recurring structural formula: ##STR2## i.e., N,N'-biscarbamyl-N-cyanoguanidine units connected together through the R group of the carbamyl moiety and m is greater than 2, or can be cured to a thermoset material on heating above 90.degree. C.

Abstract: This invention relates to a reactive plastisol dispersion comprising(1) a polyvinyl acetal thermoplast in particle form;(2) a liquid plasticizer member of the group consisting of(a) at least one an ethylenically unsaturated monomer, oligomer or prepolymer of the formula: ##STR1## wherein R is H or CH.sub.3, R.sub.1 is an organic moiety and n is 1 or more,(b) at least one unsaturated polyester containing the group: ##STR2## wherein R.sub.2 and R.sub.3 are organic moieties, x is 0-20 and y is 1-20; and(c) a mixture of (a) and (b);and, optionally, either(3) a free radical thermal initiator or(4) a photoinitiator for crosslinking.The reactive plastisol dispersion when fluxed can be useful as a sealant or adhesive.

Abstract: This invention relates to an electrically conductive p-doped poly(.beta.-diketone) and a process for forming same utilizing WCl.sub.6 as the polymerization catalyst. Doping of the resulting polymer with iodine dopant in either solution or the vapor phase or with tetracyanoquinodimethane (TCNQ) or AsF.sub.5 results in a conductive polymer having good stability in air.

Abstract: This invention relates to novel polymers of dipropargylamine and derivatives thereof, a process for preparing same and the electrically conductive polymers resulting from doping poly(dipropargylamine) and derivatives thereof.

Abstract: This invention relates to novel hindered cycloaliphatic monoisocyanates of the general formula: ##STR1## wherein R.sub.1 -R.sub.7 are members of the group consisting of H, alkyl, cycloalkyl, aryl, alkaryl, aralkyl or mixtures thereof wherein the alkyl groups contain 1-18 carbon atoms, the cycloalkyl groups contain 4-8 carbon atoms and the aryl groups contain 6-14 carbon atoms with the proviso that where R.sub.3 is a group member other than H, R.sub.1, R.sub.2, R.sub.4 and R.sub.5 can be H and with the further proviso that where R.sub.3 is H at least two of R.sub.1, R.sub.2, R.sub.4 and R.sub.5 are group members other than H and x is 1 to 7. Other novel dihindered intermediate compositions include aliphatic monoamines.

Abstract: This invention relates to a storage stable, heat reactive, adhesive dispersion composition comprising a solid epoxy resin containing more than one epoxy group and a solid, sterically unhindered, tertiary amine catalyst in a liquid vehicle which is a non-solvent for the solids but in which said solids are at least partially soluble in the melt. Heating said dispersion to a temperature at or above which the solids melt results in a thermoset product usable as an adhesive, sealant or coating.

Abstract: This invention relates to novel polymers of dipropargylamine and derivatives thereof, a process for preparing same and the electrically conductive polymers resulting from doping poly(dipropargylamine) and derivatives thereof.

Abstract: The subject disclosure relates to a process for producing electrically conductive surfaces on insulating substrates which comprises use of a laser beam to melt tracks onto said substrates into which conductive particles are simultaneously impinged, resulting thereby in the formation of computer controlled patterns designed according to tracings characteristic of those used in the manufacture of electric/electronic circuit boards.

Abstract: This invention relates to novel crown ether compositions which have been given the cognomen "lariat ethers". They have been designed with one or more arms bearing neutral donor groups capable of interacting with a complexed metal ion and thereby affording enhanced cation binding compared to simple crown ethers. Evidence of enhanced cation binding has been obtained and the compounds have also shown utility as phase transfer catalysts.

Abstract: This invention is directed to processes for forming either solid, linear polymers or thermoset polymers from novel N-cyanourea compounds of the formula: ##STR1## wherein n is at least 2 and R is the organic moiety of a polyisocyanate remaining after reacting the NCO groups of the polyisocyanate with cyanamide, preferably under atmospheric conditions. These N-cyanourea compounds are polymerized to solid, linear polymers useful as an epoxy curing agent, by agitation for about 50 hours under atmospheric conditions or to a thermoset polymer useful per se as an adhesive or sealant by heating at a temperature above 90.degree. C.

Abstract: This invention relates to a reactive plastisol dispersion comprising(1) a polyvinyl acetal thermoplast in particle form;(2) a liquid plasticizer member of the group consisting of(a) at least one an ethylenically unsaturated monomer, oligomer or prepolymer of the formula: ##STR1## wherein R is H or CH.sub.3, R.sub.1 is an organic moiety and n is 1 or more,(b) at least one unsaturated polyester containing the group: ##STR2## wherein R.sub.2 and R.sub.3 are organic moieties, x is 0-20 and y is 1-20; and(c) a mixture of (a) and (b);and, optionally, either(3) a free radical thermal initiator or(4) a photoinitiator for crosslinking.The reactive plastisol dispersion when fluxed can be useful as a sealant or adhesive.

Abstract: Foams having aspartase-producing microorganisms bound to the foam are made from polyurethane prepolymers which are capped with polyisocyanates, including diisocyanates, derived from methylene-bis (phenyl isocyanate) which is commonly known as MDI. These MDI based foams are hydrolysis resistant as compared to the previously used TDI based foams. The foams can be used to produce L-aspartic acid under high pH conditions.

Abstract: This invention relates to a heat curable composition comprising(a) a liquid, ethylenically unsaturated monomer, oligomer or prepolymer of the formula: ##STR1## wherein R is H or CH.sub.3, R.sub.1 is an organic moiety and n is at least 2,(b) an epoxy resin containing at least two ##STR2## groups, and (c) a thermal initiator member of the group consisting of(1) a substituted or unsubstituted diaryliodonium salt in combination with a free radical initiator,(2) a BF.sub.3 adduct,(3) a BF.sub.3 adduct in combination with a free radical initiator, and(4) dicyandiamide in combination with a free radical initiator.The system is stable at ordinary temperatures, but on heating the thermal initiator catalyzes the curing of the acrylate and the epoxy resin.

Abstract: This invention relates to a heat curing process and to a solventless screen printable, heat curable conductive ink composition comprising(1) an ethylenically unsaturated member of the group consisting of(a) a liquid, ethylenically, unsaturated monomer, oligomer or prepolymer of the formula: ##STR1## wherein R is H or CH.sub.3, R.sub.1 is an organic moiety and n is at least 2,(b) a polythiol in combination with (a) supra,(c) a polythiol in combination with a liquid ethylenically unsaturated monomer, oligomer or prepolymer of the formula: ##STR2## wherein R.sub.2 is H or CH.sub.3, R.sub.3 is an organic moiety and n is at least 2, and(d) mixtures of (a), (b) and (c),(2) a thermal initiator, and(3) an electrically conductive material.Heating of the composition in a desired pattern on a substrate results in a printed electric circuit.

Abstract: This invention relates to hydrophilic, urethane-forming compositions and a method of forming polyurethanes having low residual, potentially carcinogenic, aromatic amines by adding scavengers comprising polyols end-capped with aliphatic polyisocyanates.

Abstract: This invention relates to novel crown ether compositions which have been given the cognomen "lariat ethers". They have been designed with one or more arms bearing neutral donor groups capable of interacting with a complexed metal ion and thereby affording enhanced cation binding compared to simple crown ethers. Evidence of enhanced cation binding has been obtained and the compounds have also shown utility as phase transfer catalysts.

Abstract: This invention relates to novel N-cyano amide compositions and adducts thereof of the formula ##STR1## wherein R is a simple organic moiety or a polymeric adduct with the valence of n and n is 2 or 3. The composition, per se, can be used as a curing agent for epoxy resins to form a thermoset material on heating.

Abstract: This invention relates to a heat curing process and to a solventless screen printable, heat curable conductive ink composition comprising(1) an ethylenically unsaturated member of the group consisting of(a) a liquid, ethylenically, unsaturated monomer, oligomer or prepolymer of the formula: ##STR1## wherein R is H or CH.sub.3, R.sub.1 is an organic moiety and n is at least 2,(b) a polythiol in combination with (a) supra,(c) a polythiol in combination with a liquid ethylenically unsaturated monomer, oligomer or prepolymer of the formula: ##STR2## wherein R.sub.2 is H or CH.sub.3, R.sub.3 is an organic moiety and n is at least 2, and(d) mixtures of (a), (b) and (c),(2) a thermal initiator, and(3) an electrically conductive material.Heating of the composition in a desired pattern on a substrate results in a printed electric circuit.