Abstract: There is described a curable coating composition having at least one effect pigment which, upon cure, exhibits substantially improved orientation of the effect pigment and a corresponding improvement in appearance. The composition comprises:(A) a carbamate-functional component having a hydrophobicity equivalent to or greater than that of a carbamate-functional compound (A') which is the reaction product of:(1) a compound comprising a plurality of hydroxyl groups, at least one of which is the result of a ring-opening reaction between an epoxy group and an organic acid group, and(2) cyanic acid or a compound comprising a carbamate group, and(B) a component comprising a plurality of groups that are reactive with the carbamate functional groups on component (A), and(C) at least one effect pigment,the curable coating composition when cured having a substantially improved effect pigment orientation. Preferably, the composition further comprises particular rheology control agents.

Abstract: There is provided a water-based ink comprising: 1-15% by weight of aluminum powder; 10-40% by weight of a humectant; 0.05-0.5% by weight of a chelating agent; 0.1-0.5% by weight of a cross-linkable acrylic acid polymer having a number average molecular weight in the range of 3,000,000-5,000,000; 30-80% by weight of water; 2-8% by weight of a dispersant; and 0.2-1.5% by weight of a anticorrosive lubricant.

Abstract: Barrier coating mixtures contain in a carrier liquid, (a) an elastomeric (preferably butyl-containing) polymer; (b) a dispersed exfoliated layered filler having an aspect ratio greater than 25; and (c) at least one surfactant, wherein the solids content of the mixture is less than 30% and the ratio of polymer (a) to filler (b) is between 20:1 and 1:1. Coated articles, which are rigid or flexible and elastomeric, and free-standing films and membranes, which are flexible and elastomeric, are produced using the barrier coating mixtures.

Abstract: A method for binding ceramic materials in aqueous media is disclosed. The method utilizes water-soluble cross-linked polyamides prepared by condensation polymerization for binding various classes of ceramic materials.

Abstract: An adhesive composition comprising aluminum lithium alloy particles and a multi functional polymer resin is disclosed. Methods for preventing corrosion, for bonding two substrates comprising aluminum together, and for heat-free welding two substrates preferably comprising aluminum or aluminum alloy using the adhesive compositions of the invention are also disclosed.

Abstract: Disclosed is soft magnetic alloy powder for electromagnetic and magnetic shield, which can be easily flattened and exhibits good performance over a high frequency band, and a shielding member of good shield effect prepared by dispersing the powder in a matrix of rubber or plastics. Powder of a soft magnetic alloy, which consists essentially of, by weight %, Cr: 0.5.0-20%, Si: 0.01-0.5%, Al: 0.01-20% and the balance of Fe and inevitable impurities, is flattened in an attritor, and is added to the matrix material at a content of 30 wt. % or higher, preferably, as high as possible, and processed to form sheets or molded articles. The shielding member of particularly high flame resistance is prepared by adding soft magnetic alloy powder of alloy composition consisting essentially of, by weight %, Cr: 5-14%, Si: 0.01-0.5%, Al: 0.5-20%, and preferably, REM: up to 0.

Abstract: The present invention provides a heat-conducting polymer composition in which a heat-conducting metal powder is contained in a polymer, said heat-conducting polymer composition being characterized by the fact that the aforementioned powder is a metal powder which has a metal oxide layer and/or a metal nitride layer on the surfaces of the powder particles. The heat-conducting polymer composition of the present invention is characterized by the fact that said composition has a superior storage stability and thermal conductivity, and also by the fact that said composition has electrical insulating properties.

Abstract: SBR-SBS modified asphalt and aluminum compositions are especially adapted for cold application to roofs while providing more UV protection.

Abstract: A thermoplastic resin composition having laser marking ability, which comprises a thermoplastic resin and at least two kinds of metal oxides, the content of total metal oxides being 0.001 to 10 parts by weight per 100 parts by weight of said thermoplastic resin; and a keyboard having keys composed of the above composition.

Abstract: A coating material having reflective properties in two wavelength ranges and absorbent properties in a third wavelength range. The coating material comprises a binder, flaky first particles, and second particles. The binder has a transparency greater than 40% in the wavelength ranges of from 0.4 to 0.7 .mu.m and from 10 to 50 .mu.m and a refractive index n in the wavelength ranges less than 2.0. The coating material comprises from 20 to 30 percent by weight, based on the wet weight of the coating material, of the flaky first particles. The flaky first particles have a thickness less than 10 .mu.m and a surface area (length.times.width) greater than 100 .mu.m.sup.2 and a reflectivity R greater than 40% in the wavelength range of from 10 to 50 .mu.m. The second particles at least partially overlap the first particles. The second particles have a transparency greater than 40% only in the wavelength ranges of from 0.4 to 0.7 .mu.m and from 10 to 50 .mu.

Abstract: An exterior automotive vehicle component having a pleasing appearance comprises an elastomer modified polyolefin resin matrix having a haze level of less than about 50% and a special effects pigment uniformly distributed therein.

Abstract: A coating powder for providing a high temperature resistance coating has a silicone resin binder system which is either substantially all silicone resin or an --OH-- functional silicone resin adduct plus blocked, multi --NCO functional curative. The coating powder is pigmented with titanium dioxide which is either non-coated or coated with a sufficiently low level of an inorganic oxide such that when slurried in water, the pH is 7 or above. The coating powder preferably contains at least 40 phr mica and/or calcium metasilicate, preferably between 2 and about 20 phr aluminum. The coating powder may also contain zinc to protect the underlying substrate from corrosion and high-temperature pigments, particularly ceramic pigments.

Abstract: To obtain a colored metallic paint with which a colored metallic paint film which has excellent features and with which a change in color is produced according to differences in the viewing angle can be formed using the usual cheap pigments without compounding special glitter materials. The present invention provides a paint composition which contains, per 100 parts by weight of a film forming binder (A), from 0.1 to 15 parts by weight of metallic powder (B), from 0.1 to 10 parts by weight of a first colored pigment (C) of primary particle size from 0.01 to 0.2 .mu.m which is selected from among the group comprising the phthalocyanine, perylene, indanthrone, azomethine, benzimidazolone, quinacridone, anthraquinone, diketopyrolopyrrole and dioxazine based pigments, and from 0.5 to 50 parts by weight of a second colored pigment (D) of primary particle size from 0.1 to 2 .mu.

Abstract: A composition of matter is disclosed in which nanophase metal particles are effectively dispersed in a polymer matrix so that hitherto unattainable thermoelectric properties are attained. Preferred polymers and metals are taught. A method of making the composition of matter useful as a themoelectric composite material using a conducting polymer matrix is disclosed as is a thermoelectric cooling/heating device which uses that composition.

Abstract: A novel thermally reworkable die attach adhesive composition for attaching a semiconductor device to a substrate is provided. The composition comprises(a) a thermally reworkable crosslinked resin produced by reacting at least one dienophile having a functionality greater than one and at least one 2,5-dialkyl substituted furan-containing polymer, and(b) at least one thermally and/or electrically conductive material present in an effective amount up to about 90% by weight of the die attach composition to provide a conducting medium.

Abstract: A non-tacky electrical stress control material comprisinga) about 100 parts of a resin component containing1) from about 20% to about 80% of an epihalohydrin polymer, and2) correspondingly, from about 80% to about 20% of an insulating silicone polymer having a tan .delta. of less than one,b) from about 10 to about 200 parts of a filler, said filler being nonconductive at room temperature, selected from the group consisting of barium titanate and hydrated aluminum silicate, andc) from 0 to 30 parts of a plasticizer.

Abstract: The preferred embodiment of the present invention provides novel and unique filler compositions and ceramic enhanced dental materials. The preferred embodiment of the composition and the ceramic dental restorative materials made therefrom comprise a rigid three-dimensional network of fibers fused together at their points of contact wherein said network is greater than 60% by volume void space, has mean pore diameters greater than 10 microns, or both.

Abstract: The invention concerns colored aluminum pigments comprising flake-form aluminum substrates which are coated with a metal oxide layer. The pigments are produced by a process which involves the steps of mixing a ground color pigment with a flake-form aluminum in the presence of a solvent. A metal acid ester is then added to the mixture and is then hydrolyzed to form a metal oxide layer on the aluminum substrate, followed by removal of the solvent and drying of the pigment. The pigments are useful as special-effect pigments in paints, lacquers, coatings, plastic materials, printing inks and cosmetic preparation.

Abstract: A method of producing a formable mixture involves combining a powder material, and a plurality of gel-forming polymers, wherein at least one gel-forming polymer is a proton donor, and at least one gel forming polymer is a proton acceptor. A method of making a monolithic structure involves producing a formable mixture of powder material which can be ceramic, metal, glass, glass ceramic, molecular sieve and combinations thereof, a plurality of gel-forming polymers as described above, extruding the mixture to form a green monolithic structure, and drying and firing the green structure.

Abstract: A method for binding ceramic materials in aqueous media is disclosed. The method utilizes water-soluble polyamides prepared by condensation polymerization for binding various classes of ceramic materials.

Abstract: Disclosed is a method of forming tamper-proof coatings on electronic devices. The method comprises applying a coating of a silica precursor resin and a filler onto the electronic device, wherein the filler is one which reacts in an oxidizing atmosphere to liberate enough heat to damage the electronic device. The coated electronic device is then heated at a temperature sufficient to convert the silica precursor resin to a silica containing ceramic matrix.

Abstract: A method for binding ceramic materials in aqueous media is disclose. The method utilizes water-soluble polyamides prepared by condensation polymerization for binding various classes of ceramic materials.

Abstract: Lightweight and strong electromagnetic interference (EMI) shielding and electrostatic discharge (ESD) reinforced degradable polymer and monomer material and plastic enclosure materials are provided for electronic devices and EMI shielded rooms. A degradable polymer or monomer (polylactic acid, starch and polycaprolactone, cellulose esters, zein, modified lesquerell and soybean oils, and glucaric acid) contain an EMIS/ESD additive of iron coated fibers, iron-carbone (Martensites), iron-nickel coated carbon fibers, stainless-steel fibers, aluminum fibers, conductive flakes, and conductive powders. Intrinsic conductive polymers such as polyparaphenylene, polyacetylene, polyanaline, polyquinoline and polythiophene are also used. By combining the degradable polymer/monomer and one or more of the additives, the enclosures meet the U.S. government requirements for electromagnetic interference (EMI) shielding and electrostatic discharge (ESD) on both consumer electronics and military application.

Abstract: A crosslinked polysiloxane dispersion comprising a siloxane polymer, polymer mixture, or polymer/solvent mixture, capable of crosslinking via condensation, addition or free radical reactions, and having a viscosity of greater than 5000 mPa.s but less than 500,000 mPa.s, if required, 0.1 to 10 weight parts of a crosslinking agent, and, if required, depending on the nature of the catalyst and silicon cure system, 0.000001 to 10 weight parts of a catalyst, 0.5 to 10 weight parts of a surfactant or surfactant mixture, and 0.5 to 25 weight parts water per 100 weight parts siloxane polymer. Optionally, adhesion promoters, pigments, reinforcing or non-reinforcing fillers, silicone resins, stabilizers, freeze/thaw additives, etc. may also be added to the dispersion.

Abstract: The invention relates to a process for the production of two-coat finishes, in which a pigmented aqueous basecoat is applied, the basecoat obtained is coated over with a clearcoat, and basecoat and clearcoat are baked together. The process according to the invention is distinguished in that the aqueous basecoat contains a polyacrylate resin which has been prepared using furfuryl acrylate and/or furfuryl methacrylate.

Abstract: Provided is weld-obscuring, thermoplastic resin composition which when suitably molded substantially obscures the appearance of weld lines. The resin composition is made of a thermoplastic resin, about 0.01 to about 15.0 wt. % of a weld-obscuring agent having a refractive index greater than the refractive index of the thermoplastic resin in the visible light range, and about 0.1 to about 8 wt. % of glitter material having an average particle size in the range of about 5 to about 120 .mu.m. X is between (10.6-(Y/11.4 .mu.m)) wt. % and about 0.1 wt. % when Y.gtoreq.30 .mu.m, and when Y is<30 .mu.m, X is between about 0.1 wt. % and about 8 wt. %, wherein X is the amount of glitter material added and Y is the average particle size of the glitter material. Also provided is a molded article made of the resin composition.

Abstract: A non-tacky electrical stress control material comprisinga) about 100 parts of a resin component containing1) from about 20% to about 80% of an epihalohydrin polymer, and2) correspondingly, from about 80% to about 20% of an insulating silicone polymer having a tan .delta. of less than one,b) from about 10 to about 200 parts of a filler, said filler being nonconductive at room temperature, selected from the group consisting of barium titanate and hydrated aluminum silicate, andc) from 0 to 30 parts of a plasticizer.

Abstract: A water-dispersible organic clay complex in which a quaternary ammonium ion having both an oxypropylene unit and an oxyethylene unit is present in interlamellar space of an expansible phyllosilicate. This complex is excellent in dispersibility in an aqueous medium and generates excellent water resistance of the resulting coated film when used as a rheology control agent for an aqueous coating composition.

Abstract: Lamellar pigment particles are provided in a form that is readily used for coating compositions by use of a dispersion. The dispersion contains the pigment particles in an amount of 20-55% by weight, and also includes a carrier that is compatible with the vehicle of the intended coating composition. The dispersions are stable and provide essentially complete separation of the lamellar pigment particles.

Abstract: The invention relates to a process for the preparation of a rubber composition involving thermomechanically mixing in a preparatory mixing step at least one sulfur vulcanizable elastomer, a particulate filler and an unsymmetrical organosilicon disulfide compound of the formula ##STR1## wherein Z is selected from the group consisting of: ##STR2## wherein R.sup.2 may be the same or different and is independently selected from the group consisting of an alkyl group having 1 to 4 carbons and phenyl; R.sup.3 may be the same of different and is independently selected from the group consisting of alkoxy groups having 1 to 8 carbon atoms and cycloalkoxy groups with 5 to 8 carbon atoms; and R.sup.1 is selected from the group consisting of a substituted or unsubstituted alkylene group having a total of 1 to 18 carbon atoms and a substituted or unsubstituted arylene group having a total of 6 to 12 carbon atoms.

Abstract: A friction material includes a composite hard grain disperse metal powder dispersed and held in a thermosetting resin matrix. The metal powder consists of a metal base comprising copper, aluminum, copper alloy or aluminum alloy and hard grains which are substantially homogeneously dispersed therein. The content of the hard grain disperse metal powder in the friction material is at least 20 percent and not more than 90 percent on a volume basis. The obtained friction material exhibits a stable coefficient of friction of at least 0.3 under dry sliding conditions while preventing the so-called semicontact phenomenon of locally coming into contact with a counter material even if a pressing load during frictional sliding is small.

Abstract: Polyacrylate esters having an average molecular weight of 1500 to 20,000 and being obtainable by the transesterification of alkyl polyacrylates, obtained by free radical polymerization and containing 1 to 4 carbon atoms in the alkyl group, witha) saturated or unsaturated aliphatic alcohols with 12 to 22 carbon atoms andb) optionally, additionally with dialkylaminoalkanols of the general formula HO--R.sup.1 --NR.sup.2 R.sup.3, wherein R.sup.1 is a divalent alkylene groups with 2 to 4 carbon atoms and are R.sup.2, R.sup.3 are the same or different and represent alkyl groups with 1 to 4 carbon atoms,the molar ratio of the aliphatic alcohols a) to the dialkylaminoalkanols b) being 1:0 to 1:1.5, and the components a) and b) being used in such amounts, that 25 to 70% of the ester groups are transesterified, are used as dispersants for finely divided solids, particularly for fillers and pigments, in organic media.

Abstract: A magnetic composition comprising nanocomposite particles comprising from about 0.001 to about 60 weight percent of magnetic nanocrystalline particles dispersed in from about 40 to about 99.999 weight percent of a discrete phase matrix, and a continuous phase matrix, wherein the discrete phase resides in interstices within the continuous phase matrix.

Abstract: An aqueous coating composition comprising: (A) 10 to 95% by weight (based on solid content) of a film forming polymer which is prepared by neutralizing at least a part of acid groups contained in a copolymer having a number average molecular weight ranging from 6,000 to 50,000 prepared by copolymerizing (A1) 5 to 40% by weight of an amide group-containing ethylenically unsaturated monomer, (A2) 3 to 15% by weight of an acid group-containing ethylenically unsaturated monomer, (A3) 10 to 40% by weight of a hydroxyl group-containing ethylenically unsaturated monomer, and (A4) a remainder amount of ethylenically unsaturated monomers other than the monomers (A1) to (A3); and (B) 5 to 90% by weight (based on solid content) of an aqueous dispersion of carboxyl group-containing acrylic resin particles having a particle size ranging from 0.01 to 1.0 .mu.m and an acid value ranging from 20 to 80.

Abstract: Coating compositions comprising aluminum pigment, neoprene latex asphalt emulsion, at least one surfactant for reducing reaction of the aluminum pigment with water and with the neoprene latex, at least one organic solvent, and water. The compositions are formed by providing an aluminum pigment mixture comprising aluminum pigment, the surfactant and the organic solvent, providing an aqueous neoprene latex asphalt emulsion and mixing the pigment mixture and the aqueous neoprene latex asphalt emulsion to form the coating composition. The compositions are suitable for coating a variety of surfaces, particularly roof structures and the like.

Abstract: An improved gel coat for integral molded products having increased hardness consists of a synthetic resin mixed with tabular alumina and a surface treating agent such as gamma-Methacryloxypropyltrimethoxysilane. The gel coat may be applied as a first layer over a mold, pattern, part, or other surface with a filler reinforced resin layer applied to the first layer or with an intermediate layer of resin filled with calcium silicate applied between the gel coat and the reinforced layer. The gel coat may also be used as a surface coating for steel, composite, and concrete structures.

Abstract: A thermoplastic resin composition having excellent characteristics such as impact resistance and coatability is described. The thermoplastic resin composition contains a propylene based polymer and a graft copolymer having an olefin homo/co-polymer portion forming its main chain and a vinyl copolymer portion forming its branched portion. In the graft copolymer, the proportion of the olefin homo/co-polymer portion is 5 to 95% by weight, and the vinyl copolymer portion occupies the remaining weight. The vinyl copolymer portion of the graft copolymer has a hydroxyl group as a functional group. One of the olefin homo/co-polymer portion and the vinyl copolymer portion forms a dispersed phase in the other with a particle size of 0.001 to 10 .mu.m. Consequently, the graft copolymer assumes a multi-phase structure. The thermoplastic resin composition optionally further contains a thermoplastic elastomer.

Abstract: A process for adhering a fluororesin film to a metal surface, using a primer comprising fluororesin, aluminum flake and more polyether sulfone than polyamideimides.

Abstract: The present invention relates to paint compositions which provide a Chemical Agent Resitant Coating (CARC), consisting of one layer topcoat paint system, which imparts an increase in the reflectivity at the thermal infra-red region, while controlling the colour in the visible range and are maintaining a low gloss, comprising: an extender selected from polyolefins and substituted polyolefins; a pigment, selected from a metal oxide calcined at a temperature of above 600.degree. C. and a paste of metal flakes and any mixture thereof; a binder consisting of a modified polyurethane resulted from an isocyanate and a co-reactant possessing at least two hydroxy groups, and a solvent system to dissolve the components in the paint composition.

Abstract: The preferred embodiment of the present invention provides novel and unique filler compositions and ceramic enhanced dental materials. The preferred embodiment of the filler composition and the ceramic dental restorative material is comprised of about 22% by weight alumina, about 78% by weight silica, about 2% by weight silicon carbide, and about 2.85% by weight boron nitride with less than 1% cristobalite contamination.

Abstract: The composition having wet state clarity includes an aqueous latex binder combination of polymer particles with a diameter of less than 80 nanometers and a thickener. When glitter flakes are dispersed in these novel compositions in their wet state, they glitter more than conventional glitter compositions. Thus, they are more appealing to a consumer or an artist than conventional glitter compositions that tend to be cloudy or dull in their wet state.

Abstract: Thermoplastic material comprising at least one thermoplastic polymer and 1 to 1000 ppm (by weight) of at least one substance which substantially absorbs infrared radiation, such as carbon black. The reinforcement-fibre bundles impregnated with a thermoplastic polymer, in accordance with the invention, are particularly advantageous for reinforcing pipes by filament winding.

Abstract: Thermoplastic binder compositions comprising a high molecular weight polymer component and a molten wax component are compounded with sinterable ceramic or other inorganic powders. Upon cooling, a thermally reversible gel is formed in the binder by the gelation of the polymer in the molten wax. Ceramic batches comprising these binders behave as shear-thinning and thermally reversible gels. They exhibit substantially improved dewaxing performance and, preferably, extensibility sufficient for sheet reforming processes.

Abstract: Elastomers having a polyurethane binder are formed from a mixture including tetrastar polyethylene oxide polyol with a molecular weight of at least 16000 daltons and a plasticizer present in a ratio of at least five parts by weight to one part of the polyol and provide high tensile strength, extreme elongation, great flexibility, and absence of voids. Energetic elastomers use a nitrate ester plasticizer with a curative having a functionality of at least three and an NCO/OH equivalent ratio of about 2.5 and may include an energetic particulate filler. Inert elastomers use a non-volatile ester plasticizer, as dimethyl phthalate, with a curative having a functionality of two and an NCO/OH equivalent ratio not over 2.0.

Abstract: A paste composition having a high thermal conductivity and a relatively low viscosity is used to provide a thermal conductive connection between an electronic component and a cooling device to increase the heat transfer rate between the component and the device cooling the electronic component. The paste composition comprises a non-aqueous dielectric carrier, thermally conductive filler particles and a specially defined dispersant comprising the self-condensation reaction product of a hydroxy fatty acid, the reaction product having an acid number of about 30-100. A 12-hydroxy stearic acid self condensed reaction product is the preferred dispersant.

Abstract: A copolymer with an acid value less than one contains alternating units of a vinyl monomer and a diester of a dicarboxylic acid wherein at least one of the esterifying groups contains a polyether group. The copolymer is particularly useful in preparing pigment dispersions for coating compositions. Such compositions exhibit properties including reduced pigment settling and improved metallic flake orientation, flow and leveling.

Abstract: A room temperature curable silicone composition, comprising (A) 100 parts by weight of an organopolysiloxane each of both ends of which has one hydroxyl group, (B) 0.2 to 40 parts by weight of at least one compound selected from the group consisting of hydrolyzable silanes having 2 to 4 hydrolyzable groups and their partial hydrolysis-condensation products, (C) 1 to 100 parts by weight of a modified diorganopolysiloxane of which both ends have at least one group selected from the group consisting of a hydrogen atom, a substituted monovalent hydrocarbon group and alkoxy group having 1 to 10 carbon atoms, an unsubstituted hydrocarbon group and alkoxy group having 1 to 10 carbon atoms, and a hydroxyl group and that has a silicon-bonded modifying group made up of a substituted or unsubstituted monovalent organic group with 6 or more carbon atoms, and (D) a filler and a cured product thereof. A cured product good in peeling properties can be obtained.

Abstract: An electromagnetic shielding composite containing a thermosplastic synthetic resin mixed with a metal conductive fiber, low melting point metal, and a vapor-phase grown carbon fiber, which preferably includes, to the total weight of the composite, a thermoplastic synthetic resin of 40-90 weight %, a metal conductive fiber of 0.5-30 weight % and a vapor-phase grown carbon fiber of 0.5-50 weight %.

Abstract: Disclosed is a fiber of an organic, inorganic or metallic material or a simple substance wherein ultrafines of an inorganic or metallic material or a simple substance having an average particle diameter of 0.005-1 .mu.m are uniformly dispersed and deposited on 8-90% of the surface in a single layer. The fiber is produced by exposing a fiber of an organic, inorganic or metallic material or a simple substance to a gaseous stream forming ultrafines of an inorganic or metallic material or a simple substance by a vapor phase process, thereby contacting said ultrafines in the gaseous stream with said fiber in a state wherein the ultrafines are still active. The treated fiber is useful as a reinforcing material for a fiber reinforced composite.

Abstract: Thermoplastics film containing inorganic fillers, metal/plastics composite containing inorganic fillers and process for the production thereof.The present invention relates to thermoplastics films, which contain at least 0.1% by weight, preferably 0.5 to 6% by weight, based on the total weight of the mixture of plastics and filler, of one or more metal powders, selected from aluminum powder, magnesium powder, zinc powder and manganese powder. The invention further relates to metal/plastics composites containing these metal powders, and processes for the production of the thermoplastics films and the metal/plastics composites. The plastics films and the metal/plastics composites are used for producing packaging containers.