Abstract: A TAB tape having multiple metallic conductors arranged on the surface of a base film with substantially square device holes is formed with designed areas of stress refief formed by one or more slits and/or arrays of holes which extend outward from the corners or sides of the device holes, such that dimensional stability in the base film is improved in a direction parallel to inner leads when thermo-compression bonding is performed to connect the inner leads with IC chips resulting in improved connection reliability for connection between inner leads and IC chips.

Abstract: A water-based transparent image-receptive layer suitable for imaging in a thermal printer, and in electrophotographic or xerographic copiers, comprising a mixture of from about 5 parts to about 30 parts of at least one amino based silane coupling agent having the general formula: ##STR1## wherein Q is selected from the group consisting of primary, secondary and tertiary amino groups; R is selected from aliphatic and aromatic groups; R.sub.1 is selected from the group consisting of alkyl and aryl groups, and n is 1 or 2; from about 60 parts to about 80 parts of basic colloidal particles; from about 10 to about 29.9 parts of a water-dispersible polymeric binder, and from about 0.1 part to about 5 parts of an antiblocking agent.

Abstract: The invention provides semi-conductive, static dissipative polymeric composites comprising:a) an insulative polymeric resin, andb) from about 5 to about 35 volume percent of at least one high aspect ratio filler having a thin-film inorganic layer of from about 10 .ANG. to about 1000 .ANG. of a highly conductive metal and an overlayer of an insulative metal oxide, said layer having an average coating thickness of from about 2 .ANG. to about 200 .ANG.,the composites having volume resistivities of from about 1.times.10.sup.4 ohm-cm to about 1.times.10.sup.11 ohm-cm.

Abstract: An advanced thermosetting epoxy powder composition comprising from about 95 epoxide equivalent percent to about 99 epoxide equivalent percent of a diglycidyl ether of an aromatic bisphenol, from about 1 to about 5 epoxide equivalent percent of at least one trifunctional polyglycidyl ether of an aliphatic polyol, a curing agent selected from the group consisting of dihydric bisphenol such as bisphenol-A and mixtures of bisphenol-A and bisphenol A endcapped diglycidyl ether of bisphenol A, and a curing accelerator selected from the group consisting of imidazoles and imidazole adducts with polyglycidyl ether of aliphatic polyol.

Abstract: The present invention provides a heat-sensitive layer prepared by radiation polymerizing a monomer composition comprising:(i) from about 30 to about 70 parts by weight of methacrylic acid, and(ii) correspondingly, from about 70 to about 30 parts by weight of a urethane (meth)acrylate compound having a urethane backbone and at least 2 (meth)acryloyl groups in a molecule, and(iii) up to about 40 parts of a viscosity controlling compound having at least one (meth)acryloyl groupwherein the percentage of the urethane (meth)acrylate and the viscosity controlling agent totals no more than 70 parts, then stretching said polymer from at least a yield point to a break point.

Abstract: Conductive, polymeric, inherently tacky, solvent-insoluble, solvent-dispersible, elastomeric, pressure-sensitive adhesive microparticles having an average diameter of at least about 1 micrometer, said microparticles having an ionic conductive material present on said surface, and anti-static pressure-sensitive adhesive tapes made therefrom.

Abstract: An improved envelope for transparencies for overhead projectors comprising a substantially rectangular pocket made of a transparent sheet material, the pocket having two longitudinal side edges connected by shorter side edges, and being open at least along one side edge for insertion of a transparency, at least one opaque flap attached in a foldable manner along one of the side edges by means of a flexible adhesive tape, the tape comprising a flexible polyester backing having a thickness of from about 5 to about 15 micrometers, and coated on one surface of the backing is an adhesive layer, wherein the tape has a flexibility measurement of about 1.8 grams, and the flap is capable of remaining in the unfolded position on an overhead projector stage with minimal adhesive transfer at the operating temperature of the overhead projector.

Abstract: An improved ink-receptive sheet comprising a transparent substrate bearing on at least one major surface thereof an ink-receptive layer which comprises at least one imaging polymer and an effective amount of polymeric mordant having the general structure: ##STR1## wherein A is selected from the group consisting of a COO-alkylene group having from about 1 to about 5 carbon atoms, a CONH-alkylene group having from about 1 to about 5 carbon atoms, --COO--(CH.sub.2 CH.sub.2 O)n--CH.sub.2 -- and --CONH-- (CH.sub.2 CH.sub.2 O)n--CH.sub.2 --, wherein n is from about 1 to about 5;B and D are independently selected from the group consisting of alkyl group having from about 1 to about 5 carbon atoms;or A, B, D and N are combined to form a heterocyclic compound selected from the group consisting of ##STR2## R.sub.1 and R.sub.

Abstract: A composition for forming a moisture resistant, anisotropic conductive film having a rapid curing speed, high heat resistance, high humidity resistance, long shelf life and excellent repairability comprising an adhesive composition containing about 100 parts cyanate ester, from about 0.01 part to 10 parts of a curing catalyst, from about 10 parts to about 300 parts of a film-formable thermoplastic resin, and from about 10 to about 500 parts of an epoxy resin, and from about 0.1 part to about 20 parts conductive particles per 100 parts total adhesive composition.

Abstract: A transparent image-recording sheet suitable for use in a plain paper copier, comprising a transparent backing having two major surfaces, said sheet having a machine direction, and a transverse direction, at least one of the major surfaces having coated thereon, a transparent water-based toner-receptive coating comprising:a) from about 65 to about 99.9 parts of an imageable polymer;b) from about 0.1 to about 15 parts of at least one polymeric particle having a mean particle size ranging from about 1 .mu.m to about 15 .mu.m, andc) from 0 to about 20 parts of an antistatic agent,the toner-receptive coating being coated onto the transparent backing at a time during manufacture of the backing selected from the group consisting ofa) before any orientation of said film, andb) after uniaxial orientation in the machine direction.

Abstract: An image recording sheet and a transparent water-based toner receptive coating therefore comprising an imaging copolymer formed from at least one monomer selected from the group consisting of bicyclic alkyl (meth) acrylates, aliphatic alkyl (meth)acrylates having from about one to about 12 carbon atoms, aromatic (meth)acrylates, and a polar monomer having the formula: ##STR1## wherein R is hydrogen or methyl, R.sub.1 and R2 may be hydrogen, identical or differing alkyl groups having up to about 8 carbon atoms, preferably up to about 2 carbon atoms, or the quaternary cationic salts thereof, at least one novel long chain polymeric particle having good antifriction characteristics and optionally, an antistatic agent selected from the group consisting of cationic agents, anionic agents, fluorinated agents, and nonionic agents.

Abstract: A composition suitable for an ink-jet receptive layer comprising from about 1% to about 10% of at least one carboxylic acid having a pKa of from about 2 to about 6, said acid being selected from the group consisting of aryl monocarboxylic acids, aryloxy monocarboxylic acids, alkyl carboxylic acids having alkyl groups containing at least about 11 carbon atoms, dicarboxylic acids, tricarboxylic acids and pyridinium salts, and at least one liquid-absorbent polymer comprising from about 90% to about 99% aprotic constituents, and a transparent sheet suitable for making visual transparencies having a film backing having such ink-receptive layer coated on at least one major surface thereof.

Abstract: An electrographic article comprising a polymeric film having at least one polymeric receptor layer coated on at least one side thereof, said receptor layer having an equivalent or lower storage elasticity modulus than a toner resin used for forming images on said article.

Abstract: A halogen-free composition comprising 100 parts of polyolefin resin grafted with from about 1 to about 10 parts maleic anhydride; from about 0.1 part to about 10 parts of a free radical catalyst therefor, from about 0.5 part to about 10 parts of an antioxidant, and from about 5 parts to about 500 parts of at least one ammonium polyphosphate containing flame retardant.

Abstract: An electrically insulating film having a total halogen content of about 1% to about 8%, comprising a resin component containing:a) from 0 to about 40 parts of a rubber selected from EP or EPDM rubber,b) correspondingly, from about 60 to about 100 parts of an ethylene vinyl acetate polymer,c) from about 20% to about 40% based on said resin component, of a flame retardant system comprisingi) from about 5 to about 25% of a bromine containing flame retardant,ii) from about 1.5% to about 10% of an antimony containing flame retardant, andiii) from 1% to about 20% of a flame retardant selected from granular metal oxide hydrates, wherein said flame retardant system has a ratio of metal oxide hydrate to bromine of no more than about 3;said film being free of vinyl chloride wherein a nonoriented film self-extinguishes in less than about 5 seconds, has an elongation at break of at least about 500%, a dielectric strength of at least about 1200 V/Mil, and a stress-strain curve having a wholly positive slope.

Abstract: An embossable sheet, having at least one stress-whitening layer comprising a blend of:a) at least one heat-stable polymer selected from the group consisting of polypropylene and a polymethyl alkene, said alkene having from about 3 to about 7 carbon atoms,b) at least one other polymeric material immiscible therewith, andc) an effective amount of an antioxidant, said sheet exhibiting stress-whitening which is stable at 136.degree. C. for at least about 7 days.

Abstract: Electrical conductive adhesive tapes comprising at least one carrier web having a low-adhesion face bearing thereon an adhesive layer having substantially uniform thickness and a Lap Shear Value from aluminum of at least 0.2 MPa, said tape being formed having a plurality of perforations, each perforation containing a plurality of electrically conductive particles in contact with the adhesive layer which is otherwise substantially free from electrically conductive material.

Abstract: A flexible carrier web has a planar surface bearing thereon a predetermined pattern consisting of at least one flat land area and at least one recess having a base and walls, and a layer of silicone on the land and/or the base of the recess while the walls of the recess are substantially free from the silicone. When that flexible carrier web is used as the backing of a pressure-sensitive adhesive layer, release values can be controlled simply by selecting the size and/or number of recesses.

Abstract: An improved envelope for transparencies for overhead projectors comprising a substantially rectangular pocket made of a transparent sheet material, the pocket having two longitudinal side edges connected by shorter side edges, and being open at least along one side edge for insertion of a transparency, at least one opaque flap attached in a foldable manner along one of the side edges by means of a flexible adhesive tape, the tape comprising a flexible polyolefin backing having a thickness of from about 30 micrometers or less, and coated on one surface of the backing is an adhesive layer, wherein the tape has a flexibility measurement of about 2.5 grams, and the flap is capable of remaining in the unfolded position on an overhead projector stage with minimal adhesive transfer at the operating temperature of the overhead projector.

Abstract: Sealant compositions useful in insulation displacement connector enclosures comprising a urethane crosslinked polymer of monomers containing a sufficient amount of an isocyanate component to provide from about 1 to about 3 percent NCO wherein said isocyanate component contains at least one aliphatic isocyanate, at least about 100 parts of a polyether component containing at least one polyether selected from the group consisting of polyether polyols, and polyether polyamines, from about 0.005% to about 5.0% of an antioxidant, and from about 0.1% to about 10% of a catalyst, said urethane crosslinked polymer having an isocyanate index of about 60 to about 80, wherein said sealant has a 1/4 cone penetration value if from about 20 to about 200 10.sup.-1 mm.