Abstract: A composition for scavenging oxygen is disclosed. The composition comprises an ethylenically unsaturated hydrocarbon and a transition metal catalyst and can be incorporated into various types of layers. It is preferable that the composition be incorporated into layers of multilayered articles used for packaging oxygen-sensitive products such as food products.

Abstract: A method of initiating oxygen scavenging by compositions which comprise oxidizable organic compounds and transition metal catalysts is disclosed. The method comprises initiating scavenging by exposing the composition, etc., to radiation. The radiation exposure is preferably electron beam or ultraviolet light and is preferably used on oxygen scavenging compositions which comprise a substituted or unsubstituted ethylenically unsaturated hydrocarbon and a transition metal catalyst. Inclusion of a photoinitiator or antioxidant in the scavenging composition is also preferred to facilitate and/or control the composition's scavenging properties. The method can be used for initiating scavenging in packaging layers or articles for oxygen sensitive products such as food and beverage.

Abstract: Thermoplastic rubber is used as part of a thermally conductive electrically insulating filled elastomer composition. The filler may be any conventional filler such as hexagonal boron nitride or alumina. The thermoplastic rubber may be crosslinked. The filled elastomer can be molded or pressed into desired shapes.

Abstract: A masking film suitable for masking during electrostatic spray painting is disclosed. In one embodiment the masking film is made from an acid copolymer/quaternary amine mixture which is permanently antistatic. The acid copolymer is a copolymer of (i) a major amount by mol % of an alpha-olefin of the formula RCH.dbd.CH.sub.2 wherein R is H or C.sub.1 to C.sub.8 alkyl, and (ii) a minor amount by mol % of an alpha,beta-ethylenically unsaturated carboxylic acid. The quaternary amine is of the formula [(R.sup.1)(R.sup.2)(R.sup.3)(R.sup.4)N].sup.+ [X].sup.- wherein R.sup.1 is selected from H, aryl, or C.sub.1 to C.sub.50 alkyl optionally having one or more non-contiguous C.dbd.O or NHC.dbd.O or --S-- or --O-- in the carbon chain, or the same as R.sup.2 ; each of R.sup.2, R.sup.3, and R.sup.4 is the same or different and selected from H, C.sub.1 to C.sub.18 alkyl optionally substituted with one or more OH or from --(R.sup.5 --O).sub.a --H where a is an integer from 1 to 10 and R.sup.

Abstract: A diffusing baffle assembly (30) for use in diffusing a fog of sprout inhibiter chemical in the discharge of a potato storage ventilation fan centrally positioned in front of the discharge of fan (11) and having a central plenum (31) and with a plurality of elongated channel shaped radial arms (32) attached to central plenum (31) so as to form radially extending channels for the transport of sprout inhibiting chemical from a fogger receiving ring (38) to the ends of radial arms (32). End caps (34) are provided to close off the ends of the chemicals of radial arms (32).

Abstract: A diffusing baffle assembly (30) for use in diffusing a fog of sprout inhibiter chemical in the discharge of a potato storage ventilation fan centrally positioned in front of the discharge of fan (11) and having a central plenum (31) and with a plurality of elongated channel shaped radial arms (32) attached to central plenum (31) so as to form radially extending channels for the transport of sprout inhibiting chemical from a fogger receiving ring (38) to the ends of radial arms (32). End caps (34) are provided to close off the ends of the channels of radial arms (32).

Abstract: Disclosed are semipermeable fluid separation membranes prepared from polyaromatic polymers including aromatic repeat units of which at least five mole percent are substituted by moieties having ethylenically unsaturated carbon bonds wherein the polymer is crosslinked through carbon bonds between the ethylenically unsaturated moieties. The invented membranes have enhanced durability yet retain very high fluid, especially gas, permeability.

Abstract: An apparatus for applying sprout inhibiting chemicals to stored potatoes using installed storage air system at a reduced air flow having frequency generator 24 serially connected between power supply control box 23 and fan motor 12 for air supply fan 11 to reduce the frequency of power supply to fan motor 12 in order to reduce the amount of air being delivered to stored potatoes 22 to less than 5 SCFM per ton of potatoes stored. By reducing air flow to less than 5 SCFM loss of sprout inhibiting chemical by agglomeration and impingement with the surfaces of the air handling system is substantially reduced.

Abstract: Disclosed are semipermeable fluid separation membranes prepared from polyaromatic polymers including aromatic repeat units of which at least five mole percent are substituted by moieties having ethylenically unsaturated carbon bonds wherein the polymer is crosslinked through carbon bonds between the ethylenically unsaturated moieties. The invented membranes have enhanced durability yet retain very high fluid, especially gas, permeability.

Abstract: A heat activatable adhesive or sealant organic resin composition comprising(1) 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,(2) a thermal initiator selected from the group consisting of substituted or unsubstituted pinacols, azo compounds, thiurams, organic peroxides and mixtures thereof, 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: A UV and thermally curable composition comprising(1) 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,(2) a thermal initiator for (1) selected from the group consisting of substituted or unsubstituted pinacols, azo compounds, thiurams, organic peroxides and mixtures thereof,(3) a photoinitiator for (1) selected from the group consisting of aldehyde and ketone carbonyl compounds having at least one aromatic nucleus attached directly to the ##STR2## group, benzoin alkyl ethers, diethoxyacetophenone and 2,2-dimethoxy-2-phenylacetophenone,(4) a thermoplastic material, and(5) a non-polymerizable plasticizer for (4).The exposure of the composition to UV radiation under atmospheric conditions and heat in seriatim results in a cured solid product which can be utilized as adhesives, coatings, gaskets, sealants, resists and the like.

Abstract: A negative-working, water-developable, bilayer lithographic printing plate comprising a substrate having a hydrophilic surface which surface is first coated with a layer of a water-soluble, lithographically suitable, photosensitive, negative-working aromatic diazo composition and top coated with a layer of a water-permeable, water-insoluble, oleophilic, O-epoxyalkylated tetrakis (hydroxyphenyl) ethane resin and ester derivatives thereof. Upon imagewise exposure, the exposed areas become water insoluble, and development is effected by washing away the unexposed areas with water.

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 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 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 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 is diected to dual UV and heat activated compositions comprising(1) 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 2 to 4, hereinafter referred to as the ethylenically unsaturated compound,(2) a photoinitiator, and(3) a substituted or unsubstituted pinacol.The exposure to UV radiation and heat in seriatim or simultaneously results in a cured solid product which can be utilized as coatings, gaskets, sealants, resists and the like.

Abstract: This invention relates to a heat curing process and to heat activated compositions comprising(1) an ethylenically unsaturated compound containing at least two carbon-to-carbon double bonds and(2) a thiuram.

Abstract: This invention is directed to dual UV and heat activated compositions comprising(1) 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 2 to 4, hereinafter referred to as the ethylenically unsaturated compound,(2) a photoinitiator, and(3) a substituted or unsubstituted pinacolThe exposure to UV radiation and heat in seriatim or simultaneously results in a cured solid product which can be utilized as coatings, gaskets, sealants, resists and the like.