Abstract: Methods for producing biocompatible compositions are provided. The biocompatible compositions include an aliphatic polyester macromer produced without the use of solvents or catalysts. The resulting aliphatic polyester macromer may be reacted with a polyisocyanate to form an end-capped aliphatic polyester macromer which, in turn, may be reacted with a polyol to produce a polyurethane. The polyurethane, in turn, may be reacted with a second polyisocyanate to produce an isocyanate-functional polyurethane. The compositions prepared by the methods of the present disclosure may be used as adhesives or sealants for medical/surgical uses.

Abstract: A polymer composite and its method of manufacture using a recycled multilayer material. An example of the recycled multilayer material is comprised of a polyethylene/polyethylene terephthalate/aluminum film that may be extruded with organic filler to obtain desirable performance in wood-substitute products such as deck boards, railing, fencing, pergolas, residential cladding/siding, sheet products, and other applications.

Abstract: A thermoplastic resin composition which comprises (A) 40 to 98 mass % thermoplastic resin and (B) 60 to 2 mass % titanium oxide particles whose surface has been coated with a hydrous oxide and/or oxide of at least one metal selected from the group consisting of aluminum, silicon, zirconium, tin, cerium, titanium, and zinc, wherein the titanium oxide particles contain 80 to 97 mass %, excluding 97 mass %, titanium oxide ingredient and have total content of alkali metal cations and alkaline earth metal cations extractable with pure water of 120 mass ppm or lower. The resin composition is excellent in reflectance and thermal stability in residence during molding into large products.

Abstract: Disclosed are methods of dispersing discrete fillers in a polymer matrix to form a composite. Also disclosed are composites having discrete fillers dispersed in a polymer matrix.

Abstract: The present invention relates to slow-crystallizing, titanium-catalyzed polyethylene terephthalate resins that are useful for making high-strength, high-clarity bottles that possess improved resistance to stress cracking and thermal creep. The polyethylene terephthalate resins possess improved reheating profiles and are especially useful for making polyester articles that have exceptional clarity, dimensional stability, and thermal stability.

Abstract: The present invention provides a resin composition including 100 parts by mass of a resin component containing to 99 mass % of a thermoplastic resin (A) and 20 to 1 mass % of a side-chain crystalline polymer (B), and 0.1 to 30 parts by mass of carbon nanotube (C). The composition has a stabilized thermoplastic resin/side-chain crystalline polymer phase structure, is free from laminar peeling, and is excellent in conductive (antistatic) property, solvent resistance, flow characteristics, flame retardancy, impact resistance, molding appearance, etc.

Abstract: A curable thermal interface material is provided comprising a functionalized elastomer and a filler. Preferred materials comprise an epoxidized polybutadiene cured with an iodonium catalyst and a filler comprising silver and/or aluminum oxide.

Abstract: A conductive adhesive sealant comprising vinyl ester resin or polyester resin, graphite powder, peroxide free-radical initiator, milled carbon fiber, and a quinone-based inhibitor such as para benzoquinone.

Abstract: A polyethylene composition is provided that has a density of about 0.945 to about 0.960 g/cm3 and a melt flow index of about 0.1 to about 0.4. The composition is a melt blend of a linear low density polyethylene resin and/or a linear medium low density polyethylene resin, and a high density polyethylene resin. A feature of the composition is that the resins can independently be virgin, recycled, scrap and/or wide specification resins, and mixtures of these. Methods of producing the compositions and extruded, molded and formed plastic articles manufactured from the compositions are presented.

Abstract: A process for producing an electrolessly plated molded article, which includes molding a resin composition made of a thermoplastic resin having a specific Izod impact strength and a Rockwell surface hardness and an inorganic filler, then treating the surface of the molded article with air blast using an abrasive having a sharp granular shape, and then conducting catalyst coating, activation treatment and electroless plating. It has been possible to apply the electroless plating with a high adhesion strength to the molded article of the thermoplastic resin composition without conducting the chemical etching treatment.

Abstract: The present invention relates to a magnetic powder that contains resin-coated magnetic particles. The resin-coated magnetic particles include magnetic particles A and B that are formed in non-spherical shapes, with the magnetic particles A and B coated with a resin C. The resin-coated magnetic particles make it possible to increase the filling quantity of the magnetic particles A and B when the magnetic powder is employed to constitute a magnetic molded article, to ultimately improve the electromagnetic characteristics of the magnetic molded article.

Abstract: A weldable heat curable liquid coating composition for steel is provided that exhibits improved mar resistance without impairing the weldability characteristics of the coating. To this end, the composition contains a conductive welding aid of iron dust. The weldable coating when applied to steel and cured thereon to a dry film allows for spot welding of the coated steel without requiring special welding equipment and techniques.

Abstract: The aqueous ink of the present invention comprises a suspension of a polymer, preferably a polyester or a polyester polyamide, having adsorbed a dye or a pigment, wherein the surface tension (.gamma.) and the viscosity (.eta.) of the ink at 20.degree. C. and the average particle size (d) of the suspended particles satisfy the following inequality (1):0.1.ltoreq..gamma..multidot..eta..multidot.d.ltoreq.11 (1)wherein the units of the parameters .gamma., .eta. and d are dyne/cm, cps, and .mu.m, respectively.

Abstract: A carbon fiber covered on the surface with an aromatic polysulfone resin and then heated at 300.degree.-400.degree. C., a heat-resistant resin composition with excellent mechanical strength comprising 5-50% by weight of the carbon fiber and 95-50% by weight of a heat-resistant resin, and an internal combustion engine part, particularly an impeller of centrifugal compressor produced in one step, using the resin composition.

Abstract: The present invention is directed to an encapsulated toner for heat-and-pressure fixing having a heat-fusible core material containing at least a thermoplastic resin and a coloring agent and a shell formed thereon so as to cover the surface of the core material. An amorphous polyester is used as the main component of the shell, and the amount of the amorphous polyester is normally 3 to 50 parts by weight, based on 100 parts by weight of the core material. The encapsulated toner of the present invention is excellent in offset resistance, fixable even at a low temperature and excellent in blocking resistance when it is used for heat-and-pressure fixing using a heat roller.

Abstract: A low gloss coating composition having a 60.degree. gloss of less than about 60 which contains:a) a glycidyl group-containing acrylic copolymer;b) an aromatic polyester; andc) an isocyanurate curing agent having the formula: ##STR1## wherein R.sub.1 -R.sub.3 are independently selected from the group consisting of divalent alkylene groups of 1 to 18 carbon atoms and divalent groups of 3 to 21 carbon atoms and containing an ester linkage, and R.sub.4 -R.sub.6 are independently selected from the group consisting of H, organic salt groups, alkyl groups of 1 to 20 carbon atoms and C(O)R.sub.7 wherein R.sub.7 is an alkyl group of 1 to 22 carbon atoms.

Abstract: A molding composition comprises a) an unsaturated polyester resin, b) a copolymerizable olefinically unsaturated monomer, c) a pigment, d) fiber reinforcement and e) a poly(vinyl ether) polymer with a weight average molecular weight of at least 50,000 to control shrinkage and promote the uniform distribution of the pigment in the molding composition.

Abstract: An improved PTC current limiting composition has been provided which comprises a chemically cross-linked thermosetting polyester resin and conductive particles dispersed in the resin. The thermosetting polyester resin is selected from the group consisting of polyethylene glycol fumarate, polypropylene glycol adipate fumarate, neopentyl glycol isophthalate fumarate, and neopentyl glycol phthalate fumarate. The conductive additive particles are selected from the group consisting of graphite and/or carbon black. The composition exhibits PTC behavior when cross-linked by a vinyl monomer selected from the group consisting of styrene, vinyl toluene and tertiary butyl styrene. Curing proceeds by free-radical addition across double bonds of the thermosetting polyester resin and is initiated by organic peroxides. Initial gelation which causes cross-linking but not final curing takes about 0.5 to 4 hours at a temperature of about 25.degree. C. to 125.degree. C. The final cure takes about 0.

Abstract: The present invention is directed to an encapsulated toner for heat-and-pressure fixing having a heat-fusible core material containing at least a thermoplastic resin and a coloring agent and a shell formed thereon so as to cover the surface of the core material. An amorphous polyester is used as the main component of the shell, and the amount of the amorphous polyester is normally 3 to 50 parts by weight, based on 100 parts by weight of the core material. The encapsulated toner of the present invention is excellent in offset resistance, fixable even at a low temperature and excellent in blocking resistance when it is used for heat-and-pressure fixing using a heat roller.

Abstract: A one step process for the preparation of toner compositions which comprises adding to an extruder a base resin, initiator, pigment, and optional charge enhancing additive; effecting crosslinking of the base resin in the extruder to provide a toner comprising a pigment, optional charge additive and crosslinked resin comprising linear portions and crosslinked portions; and wherein said crosslinked portions are comprised of densely crosslinked microgel particles.

Abstract: A resin composition including a modified acrylic unsaturated polyester resin composition comprising a maleic dicyclopentadienyl glycol polyester which is dissolved in a mixture of styrene monomer and methylmethacrylate monomer. The maleic dicyclopentadienyl glycol polyester is the reaction product of a glycol or mixture of glycols, an ethylenically unsaturated polycarboxylic acid moiety and dicyclopentadiene. The glycol utilized as a reactant preferably has a structure defined by: H--(OCHR--CH.sub.2).sub.n --OH wherein R is H or CH.sub.3 and n is 1-10. The concentration of unsaturated polyester is preferably about 40 weight percent to about 75 weight percent in the resin composition. The concentration of styrene monomer ranges from about 5 weight percent to about 40 weight percent, while the concentration of methylmethacrylate monomer ranges from about 5 weight percent to about 45 weight percent.

Abstract: A bearing material mainly comprising plastics and a plastic bearing made thereof. The bearing material is composed of 30 to 98 wt % of glassy carbon and 70 to 2 wt % of plastics, and has persistent, excellent abrasion resistance, sliding properties, and heat resistance.

Abstract: An unsaturated polyester resin composition contains an unsaturated polyester, a vinyl monomer copolymerizable with the unsaturated polyester, a maleimide compound and a hindered phenolic compound and/or carbon black.

Abstract: Provided herein is a resin composite material containing graphite fiber which has good electrical conductivity and changes only a little in electrical resistance after processing. These desired properties are achieved by incorporating a synthetic resin matrix with a specific type of graphite fiber. The graphite fiber has a structure characterized by that the hexagonal network planes of carbon atoms are oriented substantially parallel to the fiber axis and like the annual ring. It is produced by bringing a hydrocarbon compound into contact, at a high temperature, with a metallic catalyst in the form of ultrafine particles to yield carbon fiber grown in the gas phase, and subsequently graphitizing thus obtained carbon fiber.

Abstract: A conductive silver/silver chloride composition consisting essentially of:(a) about 5 to about 15 parts by weight of a polyester or phenoxy thermoplastic polymer or mixtures thereof;(b) at least a sufficient amount of an organic solvent capable of dissolving polymer (a);(c) about 35 to about 60 parts by weight of silver flake; and(d) about 5 to about 20 parts by weight silver chloride.

Abstract: A solid lubricated resistive ink includes solid lubricants which provide self-lubrication of the resistive ink under high vacuum and low moisture conditions. The resistive inks include a polymer-based binder and an electrically conductive solid lubricant which remains electrically conductive and lubricative under low moisture and high vacuum. Effective lubricants include MoSe.sub.2, NbSe.sub.2 graphite intercalated with bromine and graphite intercalated with a metal chloride. The resistive ink may additionally include carbon.

Abstract: A polyarylene sulfide resin composition comprising a composition obtainable by a reaction of a polymer composition comprising(A) 100 parts by weight of a polyarylene sulfide resin,(B) 0.1 to 40 parts by weight of a monomer having one or more ethylenic unsaturated bonds and(C) 0 to 40 parts by weight of an unsaturated polyester. In the polyarylene sulfide resin composition of the present invention, a polymer produced by polymerization of the monomer or the monomer and unsaturated polyester, as compared with a resin composition wherein said polymer is simply blended, is in a state wherein it is uniformly mixed with the polyarylene sulfide resin and if necessary a filler. In other words, said polymer is uniformly dispersed in and mixed with the polyarylene sulfide resin to such a degree that the composition shows no phase separation even if it is passed through molding processes such as extrusion molding, injection molding, etc. carried out under normal conditions.

Abstract: A polyarylene sulfide resin composition comprising a resin composition obtainable by polymerizing 40 to 0.1 part by weight of an unsaturated polyester and 0.01 to 30 parts by weight of a monomer having one or more ethylenic unsaturated bonds in the presence of 100 parts by weight of a composition comprising 1 to 99 wt. % of a polyarylene sulfide resin and 99 to 1 wt. % of a thermoplastic polyester. Since the polyarylene sulfide resin composition of the present invention is in a state wherein the polyarylene sulfide resin and thermoplastic polyester are uniformly mixed, the constituent components are uniformly dispersed and mixed to such a degree that the composition shows no phase separation even if it is passed through molding processes such as extrusion molding, injection molding, etc. carried out under normal conditions.

Abstract: An actinic radiation curable polymer thick film composition comprising by weight:(a) about 10 to about 20 parts of an unsaturated monomer capable of being polymerized by actinic radiation;(b) about 2.5 to about 8 parts of at least one thermoplastic polymer having a glass transition value of above about 100.degree. F. and not capable of being substantially cross-linked with monomer (a) and said polymer (b) is dissolved in monomer (a);(c) about 68 to about 85 parts of conductive metal particles; and(d) about 0.1 to about 5 parts of at least one actinic radiation polymerization initiator.

Abstract: The invention relates to fiber-reinforced unsaturated polyester resin compositions comprising an unsaturated polyester (A) obtained from a dicarboxylic acid containing unsaturated dicarboxylic acid or its anhydride, or an anhydride of the dicarboxylic acid and a polyhydric alcohol, a polyisocyanate (B), a polymerizable vinyl monomer (C), and a fiber (D), which produce molded articles having excellent impact resistance and improved moldability.

Abstract: An electrically conductive powder having good stability against oxidation, good storage stability, good in anti-migratory action and capable of constituting electrically conductive composition having high electrical conductivity and good resistance to heat and the wet, may be constituted by copper particles, a silver coating material coating a part or the total of the copper particles and a titanate coupling agent combined to the copper particles and/or the silver coating material.

Abstract: The process for producing a plastic-like cured woody molding, which comprises applying a pressure necessary for plasticizing at least a woody component at temperature of from 120.degree. C. to 180.degree. C. to a composition comprising (A) an oligoesterified woody material obtained by alternately adding a polybasic acid anhydride and a monoepoxy compound having unsaturated double bond to the hydroxy groups of a woody material and (B) an oligomer obtained from a polybasic acid anhydride and a monoepoxy compound having unsaturated double bond with the addition of (C) a radical polymerization initiator to simultaneously perform the plasticization and crosslinking by the polymerization of the unsaturated double bonds. The plastic-like cured woody moldings thus obtained have dense and glossy surfaces and are particularly excellent in dimensional stability, mechanical properties and heat distortion temperature.

Abstract: Sheet molding compounds are thickened (or maturated) via "in situ" formation of polyureas made from aromatic primary diamines with reduced basicity and diisocyanates. The molding compounds, which can optionally contain mineral fillers such as chopped glass fiber, are generally based upon unsaturated polyester resins having a high percentage of hydroxyl end groups, polymerizable vinyl compounds such as styrene, and the like. The thickened compositions are tack-free and compression moldable after less than one day, typically after less than several hours, into permanently shaped, strong rigid articles, such as automotive body parts. A viscosity plateau is reached and maintained by the maturated compounds of the present invention for extended periods of time, e.g., several weeks.

Abstract: Into a material based on a caoutchouc-type or caoutchouc-containing mixture for producing hard rubber, there is incorporated a pre-mix containing high-strength organic fibers and a liquid hardenable plastic material. The high-strength and temperature resistant material thus obtained is particularly suitable for the attenuation of noise in combustion engines when heavy-weight fillers are also added to such material. Engine components like, for example, valve covers, timing gear covers and oil pans can be manufactured from this material.

Abstract: Polymer modified unsaturated polyester or polyesteramide resin polymer concrete is prepared by mixing an aggregate mixture such as gravel, sand, and silica flour with an unsaturated polyester or polyesteramide resin that is modified with hydrocarbon polymers produced by the in situ polymerization of olefinically unsaturated hydrocarbon mixtures.

Abstract: Into a material based on a caoutchouc-type or caoutchouc-containing mixture for producing hard rubber, there is incorporated a pre-mix containing high-strength organic fibers and a liquid hardenable plastic material. The high-strength and temperature resistant material thus obtained is particularly suitable for the attenuation of noise in combustion engines when heavy-weight fillers are also added to such material. Engine components like, for example, valve covers, timing gear covers and oil pans can be manufactured from this material.

Abstract: A substrate for magnetic discs, which are to be used as external storage in data processors, is formed from glass-like carbon materials by themselves or contained in a thermosetting resin matrix. The glass-like carbon materials have excellent thermal resistance, can be finished to a mirror-like surface, and have less surface defects than aluminum substrates. Magnetic materials can be adhered directly onto the surface of such substrates shaped in the form of a disc. The resulting disc has good hardness, is resistant to elevated temperatures, is less likely to deform, and is low in cost.

Abstract: Magnesium hydroxide of a substantially spherical particle form having an average particle size of from 5 to 500 .mu.m and a specific surface area of from 25 to 1 m.sup.2 /g.

Abstract: A copper-type conductive coating composition which comprises:(A) a copper powder with hydrogen loss of at most 0.2% by weight or a copper powder with its oxidized surface layer removed by treatment with an organic carboxylic acid,(B) a coating binder resin, and(C) an antioxidant selected from triazoles represented by the formula: ##STR1## wherein Y is a hydroxyl group, a hydrogen atom, a C.sub.1 -C.sub.18 alkyl group or a halogen atom, and a is an integer of 1 to 3, and trithiophosphites represented by the formula: ##STR2## wherein each of R.sub.1 to R.sub.3 is a C.sub.1 -C.sub.30 alkyl group or an allyl group.

Abstract: Metallized polymers are made by melting the metal and polymer together. The products have improved impact resistance and electrical and thermal conductivity. They can also be used for electromagnetic interference shielding.

Abstract: Described herein are curable molding compositions comprising a mixture of:(a) an unsaturated polyester;(b) acrylic or methacrylic acid or a functionalized derivative thereof having a molecular weight of less than 300;(c) an ethylenically unsaturated monomer which is soluble in and copolymerizable with (a) and (b) and which is different from (b); and(d) one or more fibers with a melting point or a glass transition temperature above about 130.degree. C.

Abstract: The invention relates to a coating composition for the preparation of the base coat of a multilayer enamel consisting of at least one base and one transparent protective coat, the said coating composition containing binders based on organic resins, metallic pigments, organic solvents and, if appropriate, other pigments as well as customary additives and auxiliaries. The coating composition contains, as binders, (A) polyurethane elastomers and/or polyurea elastomers, (B) polyesters and (C) polycondensates partially etherified with monoalcohols and consisting of melamine, benzoguanamine and/or urea with formaldehyde. The invention further relates to a process for the preparation of coatings using the coating composition, and to a substrate coated with a multilayer enamel.

Abstract: Rapid cure polymerizable monomer sealing and bonding compositions are disclosed. The polymerizable compositions comprise at least one polymerizable acrylate monomer system comprising a urethane acrylate monomer having vinyl reactive ends, and at least one hydroxy-terminated, monofunctional, short chain monomer which is soluble in or miscible with the urethane acrylate monomer; an effective amount for initiation of a free radical initiator; and a compatible filler material.

Abstract: Metallized polymers are made by melting the metal and polymer together. The products have improved impact resistance and electrical and thermal conductivity. They can also be used for electromagnetic interference shielding.

Abstract: A housing for electrical or electronic equipment is made by moulding under heat a composition comprising an organic thermosetting resin which includes exfoliated graphite in an amount which is enough to impart to the moulded article an electrical resistivity not greater than 10 ohm-cm.The housing has an excellent capacity to reduce the level of electromagnetic radiation emitted by equipment within it and to shield electronic equipment from external electromagnetic radiation.

Abstract: Stoving lacquer coatings containing 0.001 to 30% by weight of one or more organic pigments or polymer-soluble dyes, and 0.001 to 30% by weight, relative to the dry lacquer coating, are suitable for obtaining metallic effects of high purity.

Abstract: A bundle of continuous carbon filament fibers treated with a sizing agent containing as an active component a water-dispersible resin composition consisting of about 65% to 95% by weight of water-dispersible urethane compound having at least one epoxy group and at least one quaternary ammonium group and about 5% to 35% by weight of an epoxy resin. The bundle has an excellent fretting resistance, is extremely handleable, and produces a carbon fiber-reinforced composite material having excellent physical properties.

Abstract: Amino substituted acrylamide monomer is utilized as a coupling agent for reinforcing fibers and polyester base resin matrix in the production of thermosetting resin systems to enhance the bonding characteristics of the resin with the fiber while improving the flexural strength of the final composite structure.

Abstract: High shielding efficiencies to emissions of electromagnetic interference are achieved with molding compositions comprised of thermosetting resins and a multi-component electroconductive filler system. Compounds having a combination of at least two conductive fillers provide shielding efficiencies of 30 dB of attenuation or more to electromagnetic emissions over a frequency range of 0.5 to 1000 Mhz without adversely affecting mechanical properties and processing capabilities.

Abstract: This invention provides a composition comprising about 15 to about 75% by weight of a thermosetting or ultraviolet-curable resin, about 24.5 to about 84.5% by weight of finely divided heat-resistant inorganic substance and about 0.5 to about 20% by weight of a finely divided palladium catalyst. This composition is the solvent-free type and useful for forming an electroconductive metal coating on an electrically nonconductive base material by chemical plating.