Abstract: Curable liquid silicone rubber compositions that are curable to form silicone elastomers which are useable as fire resistant sealants. These compositions have low heat release and form hard chars on burning, and comprise: (A) a liquid polyorganosiloxane polymer described by the formula  where each R1 is independently selected from the group consisting of alkyl, alkenyl, aryl, and halogenated alkyl groups having from 1 to 18 carbon atoms, each R2 is independently selected from the group consisting of hydroxyl, alkoxy, alkenyl, and alkynyl groups, and x is an integer having a value of from about 10 to 1500, (B) a cross-linking organosilicon compound having at least 3 silicon-bonded reactive groups, (C) a catalyst capable of promoting the reaction between the silicon-bonded R2 groups of Component A and the silicon-bonded reactive group of Component B, (D) wollastonite, and (E) an optional reinforcing filler.

Abstract: A black colored reinforced polyamide resin composition which comprises the following components (A) to (D): (A) a polyamide; (B) at least one inorganic filler selected from glass fiber, mica, talc, kaolin and wollastonite; (C) a carbon black; and (D) at least one copper-phthalocyanine derivative represented by the following general formula (I) and (II): CuPc-(—X—NR1R2)n  (I) CuPc-(—SO2—NR3R4)n  (II) wherein CuPc represents a substituted or unsubstituted copper-phthalocyanine residue, X represents —CH2—, —CH2—CH2—COO—C2H4— or —CH2—CH2—COO—C3H6—, R1, R2 and R3 each independently represents a hydrogen atom, an unsubstituted alkyl group, a substituted alkyl group, a cycloalkyl group, an alkylaryl group, an aryl group, an alkoxyalkyl group or a heterocyclic residue, R4 represents an alkylaryl group, an aryl group, an alkoxyalkyl group or a heterocyclic residue, wherein R1 and R2 or R3 and R4 may b

Abstract: Aqueous dispersions of cationic water-soluble polymers are provided, as well as processes for making and methods of using the same. The cationic polymers contain anionic recurring units in amounts that encourage the formation of the aqueous dispersion and/or advantageously reduce the bulk viscosity of the aqueous dispersion.

Abstract: The present invention relates to a polyolefin-based composite resin composition having a low coefficient of linear thermal expansion, wherein the composition comprises a) 40 to 80 weight % of crystalline ethylene-propylene copolymer, b) 5 to 40 weight % of ethylene-alpha-olefin copolymer, c) 5 to 30 weight % of calcium-metasilicate based wollastonite, and d) 5 to 30 weight % of inorganic reinforcing agent based on the total composition amount.

Abstract: A curable silicone wire and cable coating composition with improved flame resistance at heat flux rates of 50 to 90 kW/m2, made by mixing ingredients comprises: (A) 30 to 90 weight percent of a heat-curable non-halogenated organosiloxane polymer, containing at least 2 alkenyl groups per molecule, (B) 1 to 65 weight percent of a reinforcing silica filler, based on the total composition, (C) 5 to 70 weight percent wollastonite having an average particle size of 2 to 30 &mgr;m, based on the total composition, and (D) curing component sufficient to cure the composition.

Abstract: An aqueous composition useful for the surface treatment of materials, which includes: (a) an inorganic silicate or colloidal silica present in an amount from 2 to 95% by weight based on the weight of dry product; and (b) a fluoroelastomer based on vinylidene fluoride (VDF) present in an amount from 5 to 98% by weight based on the weight of dry product.

Abstract: Color images with high fixation comparable to that of silver salt photographic images are formed on printing papers, using aqueous ink compositions by ink jet recording. Color images thus formed have high saturation and high resolution. An intercalated compound capable of fixing water-soluble dyes to a printing paper due to the intercalation based on ion-exchanging between them is incorporated into the dye-receiving layer 2 of the paper, on which color images are formed by ink jet recording using an aqueous ink composition containing a water-soluble dye. The content of the intercalated compound in the layer 2 is from 10 to 90% by weight. As the intercalated compound, montmorillonoids are preferred when water-soluble cationic dyes are used while hydrotalcite-group minerals are preferred when water-soluble anionic dyes are used. FIG. 1 is selected.

Abstract: A hot alkaline liquid soluble or dispersable composition made from a first polymer of an ethylene-acrylic acid copolymer having an acrylic acid portion, an ethylene-methacrylic acid copolymer having a methacrylic acid portion, or a mixture thereof, where the acrylic acid portion and the methacrylic acid portion each, independently, comprise from 10 to 30 wt. % of the total copolymer weight and also including an Ionomer-type copolymer having an acrylic acid portion, a methacrylic acid portion, or a combination thereof, comprising from 10 to 30 wt. % of the total Ionomer copolymer weight. Methods of making articles from such compositions. Methods of disposal of such compositions in hot liquid and alkaline conditions.

Abstract: Thermoplastically processable thermotropic molding compounds of thermotropic polycondensates and 0.05 to 5% by weight functionalized polymers, such as for example functionalized polybutadiene oils, polyethylene or polypropylene.

Abstract: The invention relates to a highly tear propagation-resistant rubber compound, particularly for sealing and expansion bellows, containing an elastomer, fillers and other auxiliaries. In order to achieve high tear-propagation resistance with high imperviousness, dynamic stress resistance and chemical resistance, a rubber compound is proposed which contains polychloroprene as the elastomer and amorphous silica as the filler, and which is obtained by silanising in the presence of the acid acceptor and the silica, prior to adding other additives.

Abstract: The present invention provides a liquid crystal polymer composition wherein the low coefficient of linear expansion is attained without significantly deteriorating mechanical properties by incorporating plural fibrous fillers or a fibrous filler and a particulate filler with liquid crystal polymer in a specified ratio.

Abstract: A polymer composition comprises (a) a major amount of a polyketone and (b) a minor amount of an amorphous silicate. The amorphous silicate preferably a trisilicate can be a silicate of a Group II metal, for example magnesium. The amorphous silicate is used as a stabilizer in polymer compositions comprising polyketones.

Abstract: A polymer blend composition with a good balance of high impact resistance and moldablity with reduced tendencies of delamination in molded articles is prepared by admixing with polycarbonate a substantially linear ethylene polymer or linear ethylene polymer, and a compatibilizing graft copolymer of a styrene and acrylonitrile copolymer grafted to an ethylene, propylene, and optional diene copolymer.

Abstract: The invention features a water-based correction fluid that includes an opacifying pigment, water, and a film-forming system that provides the correction fluid with a writeover time of about 40 seconds or less.

Abstract: The disclosure relates to improved formulations for paints and coatings. The improved paints and coatings can impart improved corrosion resistance in comparison to conventional paints. In addition to providing an environmental barrier, an alkali silicate component of the paint interacts or reacts with the surface of an underlying metal surface and forms a corrosion resistant mineral like product.

Abstract: The present invention relates to a polyurethane-modified polyacrylate which is obtainableI. by polymerization with the additiona1) of an essentially carboxyl-free acrylate or of a mixture of acrylates,a2) of an ethylenically unsaturated monomer which carries at least one hydroxyl group per molecule and is essentially carboxyl-free or of a mixture of such monomers, anda3) of an essentially carboxyl-free, ethylenically unsaturated monomer which is different from (a1) and (a2), or of a mixture of such monomers,to give a polyurethane solution which contains no copoly-merizable double bonds,II. by subsequent further polymerization and additionb1) of at least one ethylenically unsaturated monomer which carries one carboxyl group per molecule, or of a mixture of such monomers, andb2) of an essentially carboxyl-free, ethylenically unsaturated monomer, or of a mixture of such monomers,after the monomers added in step I have been almost completely reacted, andIII.

Abstract: Disclosed are slide members for parts to be in contact with magnetic tape, which are made of polyarylenesulfide resin compositions comprising from 20 to 40% by weight of a polyarylenesulfide resin optionally combined with an amorphous, thermoplastic resin, and from 60 to 80% by weight of calcium metasilicate whiskers having a mean fiber diameter of not larger than 5 .mu.m and a mean aspect ratio of not smaller than 5, optionally combined with an inorganic filler. While being shaped, the resin compositions have good fluidity. The slide members are used in electric and electronic devices as the parts to be in contact with magnetic tape, for example, as VTR cylinders (drums). The slide members have high mechanical strength and good dimensional stability, and have good slidability with magnetic tape.

Abstract: A two paste glass ionomer type dental cement system, with both pastes being, preferably, of similar consistency. The first paste represents primarily a suspension of an inert filler in a water solution of polyacrylic acid, or its copolymers with other ethylenically unsaturated acids, having molecular weight of 25,000 to 100,000 and, optionally, various additives, such as filler suspending agents, coloring agents, agents influencing working/setting time (retardants or accelerators), Theological agents, pH modifiers, etc. The other paste represents primarily a particulate glass flux containing silicon and aluminum oxides, calcium fluoride and, optionally, other inorganic salts, including aluminum phosphate, and sodium, barium and aluminum fluorides, suspended in a liquid medium consisting primarily of a water solution of a hydrophilic acrylic monomer or polymer. In order to achieve a desirable consistency, organic or inorganic thickening agents may be added in suitable quantities.

Abstract: This invention is directed to an improved thermoplastic molding composition having an admixture of thermoplastic polymer or blends thereof and a particular mineral additive having needle like particles and a high aspect ratio of length to diameter. The composition when molded with the final article has improved surface characteristics, even a Class A surface, a lower coefficient of thermal expansion, as well as other improved properties, particularly impact as determined by Dynatup testing. The mineral additive can range from 5 to 70 weight percent. The polymer portion can be a copolyetherimide ester, a copolyether ester, an aromatic polycarbonate, a rubber modified homopolymer, or copolymer of a vinyl aromatic monomer, a polyphenylene ether, a polyamide, and blends thereof or blends with other polymers. The preferred mineral additive is calcium meta silicate, also known as wollastonite.

Abstract: The subject of the present invention is the use of at least one alkyl ester of adipic acid in a polyvinyl chloride (PVC) composition for the production of products made from biocompatible material, in particular blood lines, to increase the resistance of these products to irradiation with penetrating rays.

Abstract: Novel fillers comprising combeite glass-ceramic are provided, along with filled polymerizable resin composites. Further provided are methods for making the combeite crystallite-containing novel fillers for use in hardenable, biocompatible bone restorations. Hard, shaped bodies or orthopaedic, dental and other uses are also provided.

Abstract: The invention provides a protective coating composition for use on substrates including steel, aluminum, iron and the like. This composition further provides abrasion resistance, electrical resistance, ultra-violet protection, corrosion resistance and heat resistance. It can be particularly useful for coating high temperature stacks, mufflers, manifolds, boilers, ovens, furnaces, steam lines, heat exchangers, barbecue equipment, cooking utensils and other parts that require such powder coating composition. This composition further provides good initial adhesion.This invention also provides a powder coating composition containing a hydroxyl-functional silicone resin, a glycidyl-functional acrylic resin and an optional flow control agent.

Abstract: A curable composition which contains an alkenyl group containing polyorganosiloxane, an organosilicon compound having two silicon-bonded hydrogen atoms, a hydrosilylation reaction catalyst, and a glass frit, which is suitable, upon cure, for use as a firewall sealant.

Abstract: A toner for developing an electrostatic image is constituted by toner particles containing at least a binder resin and a colorant, and particles containing at least one double oxide. The double oxide includes a double oxide (A) represented by the following formula (1):M.sub.a Si.sub.b O.sub.c (1),wherein M denotes a metallic element selected from the group consisting of Sr, Mg, Zn, Co, Mn and Ce; a is an integer of 1-9; b is an integer of 1-9; and c is an integer of 3-9. The above particles including a double oxide (A) are effective in improving flowability and triboelectric chargeability of the toner and providing a resultant image with excellent image qualities.

Abstract: Disclosed are thermoplastic resin compositions having improved heat resistance, e.g., IR soldering and HDT; increased ductility and flowability; and reduced flash. In particular, the thermoplastic resin compositions have at least one high heat amorphous resin, at least one polysulfide; and, optionally, at least one reinforcing filler and/or at least one polyolefin and/or at least one polyolefin compound and/or at least one polyepoxy compound. The high heat amorphous resin is preferably a polyetherimide and the polyolefin is preferably a high crystalline polyethylene. The compositions of the invention are particularly well suited for preparing no flash high heat electrical connectors.

Abstract: The present invention relates to a shaped article of a liquid crystalline polymer containing (A) 100 parts by weight of a liquid crystalline polyester and/or liquid crystal polyesteramide capable of forming an anisotropic melt and (B) 0.01 to 2 parts of an olefinic polymer and having a retention rate of a weld strength of 15% to 100%, which has excellent heat stability, mechanical properties, dimensional stability and mold releasability and is suitable for various application uses such as electrical and electronical related devices, accurate machine related devices, office related devices, automobile related parts.

Abstract: A vulcanizable rubber composition comprising (1) a hydrogenated product of an unsaturated nitrile-conjugated diene-unsaturated carboxylic acid ester copolymer, (2) an ultrafine magnesium silicate powder having an average particle diameter of not larger than 10 .mu.m and (3) a vulcanizer. This rubber composition gives a vulcanizate having good resistance to hydrofluorocarbon gas transmission and good cold resistance, and is useful for a hose for hydrofluorohydrocarbon gas.

Abstract: This invention relates to reinforced thermoplastic moulding compositions prepared from biodegradable polymers, for example aliphatic or polyester amides, aliphatic polyester urethanes, and to the use thereof for the production of mouldings and to the mouldings, wherein the reinforcing materials are selected from wood flour, fibres of natural origin, minerals of natural origin, cellulose and cellulose derivatives.

Abstract: Molding materials comprise polyarylene ethers, copolymers containing units which are derived from aromatic vinyl compounds and cyclic .alpha.,.beta.-unsaturated carboxylic anhydrides and carboximides, and furthermore fillers and rubber impact modifiers.

Abstract: A thermoplastic resin composition for profile extrusion, comprises: (A1) 50 to 99.5% by weight of a thermoplastic aromatic polycarbonate resin; (A2) 0 to 40% by weight of a thermoplastic resin other than the thermoplastic aromatic polycarbonate resin and an ethylene-based resin or a modified olefin-based resin; (B) 0.5 to 30% by weight of the ethylene-based resin or the modified olefin-based resin; and (C) 0 to 30% by weight of a filler.

Abstract: The presently claimed process for applying a coating to a substrate and coating composition comprises coating on the substrate the composition comprising a mixture of the precious stone pigment lapis lazuli having a grain size of from 5 to 90 microns with a colorless vehicle comprising a lacquer system in an amount effective to encapsulate the stone pigment, the mixture also comprising a pyrite or pulverised material.

Abstract: This invention relates to polyamide resin compositions for interior or exterior parts of automobile, more particularly, to polyamide resin compositions showing excellent dimension stability, several good mechanical properties and good plasticity, which are prepared by mixing polyamide-6 resin, polyamide-66 resin, or copolymerized polyamide 66 resin blended with polyamide-6 or polyamide-66 resin, with filler such as fibroid glass fiber, ethylene-vinyl-alcohol copolymer resin and other additives.

Abstract: A description is given of powder coating compositions comprisinga) an organic film-forming binder, andb) as corrosion inhibitor i) at least one compound of the formula I ##STR1## in which R.sub.1 is hydrogen, C.sub.1 -C.sub.12 alkyl or C.sub.5 -C.sub.8 cycloalkyl,X is oxygen, sulfur or --NH--,Y is a direct bond, methylene, ##STR2## and Z is oxygen or ##STR3## and ii) at least one calcium-modified silicate pigment.

Abstract: Tabletized ionene polymers, methods for their preparation and their use in water treatment is described. The tablet contains about 5 to about 60 percent by weight of an ionene polymer, about 40 to about 95 percent by weight of a salt carrier matrix, 0 to about 10 percent by weight of a disintegration rate regulator, and 0 to about 10 percent by weight of an anticaking agent. The tablets may be made by mixing an aqueous solution of an ionene polymer with a carrier matrix to form a moist mass, drying the moist mass to form granules, reducing the granule size to form a powder, and compressing the powder into a tablet. The tablets are useful in a wide variety of water treatment applications. Accordingly, the specification describes a method for controlling the growth of microorganisms in an aqueous system. Using the method, one treats an aqueous system with an ionene polymer in an amount effective to control the growth of at least one microorganism. The ionene polymer is contained in a tablet of the invention.

Abstract: A dental material that contains di- and poly(meth)acrylates and an inorganic filler in the form of a finely divided synthetic crystalline silicic acid with a sheet structure and optionally a very finely ground glass.

Abstract: An saturated nitrile-conjugated diene copolymer obtained by copolymerizing acrylonitrile with butadiene in the presence of a free radical initiator and an alkylthiol compound as a molecular weight modifier. A part of the monomers is incorporated in a monomer charge before polymerization, and the remainder thereof is added in a polymerization mixture during polymerization. The alkylthiol compound has 12 to 16 carbon atoms, which include at least three tertiary carbon atoms, and further has a sulfur atom directly bound to at least one of the tertiary carbon atoms. The copolymer has a Mooney viscosity of 15 to 450 and a bound nitrile content of 10 to 60% by weight. The breadth (.DELTA.AN) of compositional distribution of the unsaturated nitrile in the copolymer is 3 to 20. The copolymer is used in combination with a sulfur-containing vulcanizer.

Abstract: A low-dust dental alginate impression material composition is disclosed, comprising an alginate, a gelation reaction agent, a gelation regulator, and a filler as major components, which further comprises sepiolite and/or a tetrafluoroethylene resin having a true specific gravity of from 2.0 to 3.0. The low-dust dental alginate impression material composition of the present invention does not influence various capacities of the alginate impression material itself at all, is reduced in the generation of dust, and is superior in the storage stability.

Abstract: A transparent N-alkyl-substituted maleimide/olefin copolymer composite material is provided which comprises 100 parts by weight of an N-alkyl-substituted maleimide/olefin copolymer, and 0.1 to 100 parts by weight of phyllosilicate, the phyllosilicate being dispersed uniformly and finely in a matrix of the N-alkyl-substituted maleimide/olefin copolymer. A process for producing the N-alkyl-substituted maleimide/olefin copolymer composite material is also provided. The N-alkyl-substituted maleimide/olefin copolymer composite material is excellent in transparency, heat resistance, rigidity, and dimensional stability.

Abstract: Novel fillers comprising combeite glass-ceramic are provided. hardenable restorative compositions comprising particulate combeite glass-ceramic provide improved biocompatibility in bone restorations. Hard, shaped bodies for orthopaedic, dental and other uses are also provided.

Abstract: Reinforced polyolefinic thermoplastic composition comprising a polyolefin, an aluminum and/or magnesium silicate and a maleamic silane.

Abstract: The present invention relates to a gelled fluoride resin fine particle dispersion for use as a coating, to a method of production thereof, and to a method using this gelled fluoride resin fine dispersion to protect an alkaline inorganic hardened body.The objective of the present invention is to provide an aqueous resin for use as a coating, this aqueous resin being able to form a high performance coating film that is superior in its ability to inhibit the leaching out of the alkaline substance from the alkaline inorganic hardened body, which has excellent weatherability, water resistance, alkaline resistance, and dirt picking resistance.The present invention accomplishes the stated objective through the utilization of gelled fine particles of a fluorine containing resin.The present invention may be used in the coating field.

Abstract: Improved compositions are provided which comprise a poly(phenylene ether) resin, a poly(arylene sulfide) resin, a polyester resin, and a compatibilizer compound. The compositions can further comprise functionalizing agents, impact modifiers, flame retardants, and reinforcing fillers to provide compositions that exhibit improved tensile strength and elongation characteristics. Articles molded from these compositions are useful in the electrical connector industry.

Abstract: The disclosure describes a method for producing bulk, particulate material that includes solid, generally ellipsoidal particles by dispersing irregularly shaped feed particles including about 60 to 100% by weight of at least one silicate-containing material selected from among wollastonite, alkali feldspar, plagioclase feldspar and nepheline. While maintaining the feed particles in dispersion, they are heated sufficiently to bring about at least partial fusion within at least the surfaces of the particles. This produces a bulk particulate product of which about 15 to 100% by volume is generally ellipsoidal particles. Also described are compositions of matter including solid particles, at least a portion of which are substantially glassy and generally ellipsoidal. At least a portion of these particles have been respectively formed from feed particles composed substantially of at least one silicate selected from among wollastonite, alkali feldspar, plagioclase feldspar and nepheline.

Abstract: Polymer compositions having enhanced biodegradability are disclosed. The compositions comprise a blend of:(1) a polymer containing hydrolyzable bonds; and(2) a substantially water-insoluble, pH-modifying compound capable of accelerating the hydrolysis of the hydrolyzable bonds in the polymer.The invention also relates to polymer films comprising such compositions and absorbent articles containing such polymer compositions or films. The compositions are particularly suitable for use in disposable absorbent articles such as diapers.

Abstract: Polymer compositions comprising .alpha.-olefin polymers and a minor proportion of synthetic basic zeolite are stabilized against the harmful effects of corrosion of metal surfaces when processed through mechanical equipment such as molds and extruders where the composition normally contacts metal surfaces.

Abstract: A molded article having improved weld line strength, fabricated from a polymer blend composition comprising at least one liquid crystalline polymer and at least one additional polymer, wherein the composition has a crystallization rate lower than said at least one liquid crystalline polymer.

Abstract: Disclosed is a polyphenylene sulfide resin composition having a superior heat resistance and impact resistance obtained by melt-kneading a modified polyphenylene sulfide resin obtained by reacting a polyphenylene sulfide resin with a carboxylic acid anhydride, with at least one thermoplastic resin selected from a polyamide resin, a polyester resin, a polycarbonate resin, a polysulfone resin, and a polyamide-imide resin.

Abstract: The present invention provides an article, comprising: a fabric sheet; a curable resin coated onto the fabric sheet; and a plurality of microfiber fillers dispersed into the resin. The incorporation of microfiber fillers into the casting materials of the present invention adds substantially to the strength of the cured casting material, particularly when the fabric used therein is a non-fiberglass fabric, while not detracting from the handling properties of the uncured casting tape or bandage.The microfiber fillers useful in this invention are generally characterized as being short fibers having an aspect ratio greater than five to one. Blends of microfibers having different aspect ratios may be utilized in the casting tapes of the present invention. Preferred microfiber fillers or blends have an aspect ratio between 5:1 and 200:1, more preferably, the aspect ratio of the microfiber is between 5:1 and 50:1, and most preferably, the aspect ratio of the microfiber is between 10:1 and 30:1.

Abstract: This invention relates to a hot-box foundry mix. The hot-box foundry mix comprises (a) an aggregate (b) a thermosetting resin; (c) a latent acid curing catalyst; and (d) an effective benchlife extending amount of a compound selected from the group consisting of an alkaline earth metal carbonate, an alkaline earth metal oxide, and mixtures thereof. The hot-box foundry mixes are used to prepare foundry molds and cores. The foundry molds and cores are used to cast metals.

Abstract: Nylon molding compositions, and molded parts formed of the same, include a UV-light stabilization system having between about 0.5 to about 1.0 wt. % of a hindered phenolic antioxidant, between about 0.05 to about 1.5 wt. % of a phosphite compound, between about 0.05 to about 1.5 wt. % of a hindered amine light stabilizer, and optionally, between about 0.05 to about 5.0 wt. % of a benzotriazole UV absorber. The nylon molding compositions and molded parts formed thereof exhibit improved color difference, as calculated in CIELab units under illuminant "D-65" according to ASTM Standard D-2244, of less than about 1.5 when exposed to 601.6 kJ/m.sup.2 irradiation in a Xenon arc weatherometer operated according to SAE J1885, and improved surface gloss retention characteristics after such irradiation.