Abstract: A reclaimable release coating composition is provided which includes a blend of an adhesion promoter and a silicone release agent which may be applied from an aqueous solution, dispersion or emulsion. The components form regions of adhesion promoting sites disrupted by regions of release sites on the surface of a release backing substrate coated with the composition. The different regions are substantially homogeneously distributed across the entirety of the release surface. When used as a release coating for a backing to protect an adhesive, a controlled release force of a predictable value may be obtained by providing a known weight ratio of adhesion promoter to silicone release agent in the coating composition.

Abstract: A radiation-resistant polyolefin composition which includes (i) a polyolefin; and (ii) a radiation-stabilizing amount of at least one aliphatic, unsaturated compound having at least one unsaturation site, the compound having a molecular weight of at least 200 and an iodine number of at least 25. Suitable aliphatic, unsaturated compounds include soybean oil, safflower oil, squalene, polybutadiene, a tertiary amine having at least one aliphatic, unsaturated fatty-acid-derived substituent, oleamide, calcium oleate, erucyl erucamide and glycerol monooleate. A saturated mobilizing compound is preferably included in the composition, which can advantageously be used in the manufacture of fibers, films, and medical devices such as syringes, tube assemblies, tissue culture flasks, and packaging film.

Abstract: An additive for masticating natural rubber comprising at least one compound selected from the group consisting of benzoic acids, naphthoic acids, dicarboxylic acids and compounds represented by Formula (IV): ##STR1## wherein m and n each represent an integer of 1 to 3; p represents an integer of 1 to 4; m+n+p=6; X is O, NR.sup.8 or (R.sup.9 O).sub.q ; R.sup.6 is a C.sub.1 .about.C.sub.24 alkyl, a C.sub.2 .about.C.sub.24 alkenyl, or a C.sub.6 .about.C.sub.24 aryl group; and R.sup.7 is H, OH, an alkyl, alkenyl or aryl group; R.sup.8 is H or a C.sub.1 .about.C.sub.24 alkyl group; R.sup.9 is a C.sub.1 .about.C.sub.4 alkyl group; q is an integer of 1 to 5, a mastication method and a natural rubber composition each of which uses the additive, and a pneumatic tire using the natural rubber composition.

Abstract: The instant invention teaches a method for enabling the formation of a high damping, soft polymer gel. The method includes: reacting a poly(maleimide-co-alkenyl benzene) polymer with a nylon and an alkyl diamine under substantially dry conditions sufficient to form a nylon grafted poly(maleimide-co-alkenyl benzene) polymer product; and, dispersing the nylon grafted poly(maleimide-co-alkenyl benzene) polymer product with an extender oil sufficient to form the gel. The instant invention also contemplates a polymer gel composition, a polymer composition and an article manufactured from the polymer gel composition.

Abstract: A stabilized solution of hydrogen silsesquioxane resin is disclosed. The solution comprises 100 parts by weight solvent, 0.1 to 100 parts by weight hydrogen silsesquioxane resin, and 0.002 to 4 parts by weight acid. These solutions are useful for forming coatings on substrates.

Abstract: The present invention relates to liquid compositions comprising mixtures of esters derived from a) diethylene glycol and triethylene glycol and b) benzoic or toluic acid. The freezing point of the ester mixture is below the freezing points of the constituent esters when the relative concentrations of the constituent esters are within specified limits. The invention also relates oils and lubricants containing the present liquid ester compositions as plasticizing additives.

Abstract: A method of manufacturing a thin-walled polyurethane article includes dipping a shaped former into a coagulant solution and subsequently dipping the shaped former into an aqueous-phase polyurethane/plasticizer dispersion wherein the unplasticized polyurethane has a mean particle size of between about 0.5 .mu.m and 1.0 .mu.m and wherein the plasticizer causes the polyurethane particles to swell until they have a mean particle size of between about 1.5 .mu.m and 3.0 .mu.m. Articles so produced have a thickness of between 0.03 mm to 1.0 mm, a tensile strength of between 17 MPa and 60 Mpa and an elongation at break of greater than 650%.

Abstract: Provided are a resin composition improved in utilization of active compound by controlling the bleeding of the active compound low in vaporizability and a molded product obtained from the resin composition. The resin composition comprises 100 parts by weight of a resin, 0.01-200 parts by weight of an active compound and 0.1-100 parts by weight of a vaporizable plasticizer having a vapor pressure of 0.001 mmHg or higher at 20.degree. C., and the vapor pressure (P1) of the vaporizable plasticizer at 20.degree. C. and the vapor pressure (P2) of the active compound at 20.degree. C. satisfy the formula: P1/P2.gtoreq.2.

Abstract: Thermosetting polymer compositions for forming molded products having a soft, resiliently deformable skin are provided. The polymer resin compositions include polyvinylchloride, phthalic acid ester, a heat stabilizing agent and a heat resistance agent and have physical properties that resemble latex-containing compositions.

Abstract: A non-washing soldering flux which is capable of minimizing corrosion and insulation defects due to precipitation of metal salts and cracking of the base resin is disclosed. The flux includes an activator including a dibasic acid with a molecular weight of 250 or less, and a monobasic acid with a molecular weight of from 150 to 300 and/or a dibasic acid with a molecular weight of from 300 to 600. The dibasic acid of molecular weight 250 or less in the flux exhibits sufficient activity, thus ensuring satisfactory solderability. The monobasic acid of molecular weight from 150 to 300 and the dibasic acid of molecular weight from 300 to 600 which are combined therewith promote the activity while also uniformly dispersing the metal salt of the low molecular weight dibasic acid in the flux residue, allowing it to be enveloped by the hydrophobic base resin. For greater cracking resistance, the flux includes at least an acrylic resin of molecular weight 10,000 or less and an activator.

Abstract: The invention relates to an ablator composition for providing ablation protection after cure thereof. The. ablator composition includes the components of: (A) 100 parts by weight of a silicone elastomer composition which is curable to a silicone elastomer by addition reaction; (B) 50-200 parts by weight of an amorphous silica having an average diameter from 0.1 to 100 .mu.m; and (C) 1-15 parts by weight of a first fiber having an average length from 0.5 to 6 mm in a longitudinal direction thereof and an average diameter from 1 to 20 .mu.m. The first fiber is at least one of a carbon fiber and a synthetic quartz fiber. An ablating material prepared by curing the ablator composition is superior in heat insulation and substantially low in ablation rate, and thus protects a spacecraft or the like from a high temperature gas, for a long time.

Abstract: Flame retardant compositions for cable jacketing and wire insulation that contain:(a) polyvinyl chloride resin;(b) a pentaerythritol ester plasticizer;(c) aluminum trihydrate;(d) antimony trioxide flame retardant;(e) a brominated phthalate ester;(f) isodecyl diphenyl phosphate plasticizer; and(g) zinc borate flame retardant and that are free of chlorinated polyvinyl chloride resin are disclosed.

Abstract: Compounded polymeric compositions containing processed paint sludge putty as a replacement for polymeric components are provided. The paint sludge comprises from about 5 to 90% by weight of the total compounded polymeric composition and may be decatalyzed so that it contains uncured polymer for use in a variety of compositions including pressure sensitive sealants, caulking sealants, automotive sealants, polyvinyl chloride plastics, rubbers and asphalt cement coatings.

Abstract: A novel thermopolymer material adapted for use in thermal stereolithography. More particularly, a thermopolymer material comprising a mixture of: a low shrinkage polymer resin; a low viscosity material such as paraffin wax; at least one microcrystalline wax; a toughening polymer, a plasticizer. Alternative embodiments further include components to improve the materials ability to transfer heat and to improve strength. The subject material, together with the described process greatly reduce part building distortions while retaining desirable toughness, strength and jetting properties.

Abstract: The invention provides for a thermoset or thermoplastic gel composition containing a polymer with anhydride groups along the polymer backbone at least at outset of the fabrication process and an extender fluid, optionally including thermally conductive fillers. The gel compositions are useful for sealing wires, vibration dampening, sporting goods, and toys.

Abstract: The invention refers to an aqueous dispersion for the production of an at least two-component polyurethane-modified dispersion adhesive especially suited for the lamination of fabrics, foil and such materials onto carrier materials. The dispersion contains at least one hydroxyl-group containing polymer compound to react with a dispersible hardener to be added to the dispersion, the hardener itself containing a di- or polyfunctional isocyanate compound. The dispersion contains either a (co) polymer compound derived of ethylene vinylacetate (EVA) in addition to a (co)polymer compound derived of (meth) acrylic acid (derivative) or one of these two (co)polymer compounds besides one plasticizer.

Abstract: Size compositions for glass fibers which contain, in addition to polyepoxide, polyester or polyurethane film formers; amino - or epoxysilanes, or both; monomeric, aromatic di- or polycarboxylic acids and conventional size components.

Abstract: Polyvinyl acetate emulsion based adhesives can be made effective for bonding melamine formaldehyde resin treated decorative solid color and print paper to particle board. This polyvinyl acetate emulsion based adhesive is formulated with tackified polyvinyl alcohol, starch, a tackifier and a coupling agent. Stress cracking is substantially eliminated. Additionally, wrinkling and edge and corner peel resulting during the movement of sheets of melamine resin treated paper on the top and bottom surfaces of sheets of particle board through a heating and pressing zone is substantially eliminated.

Abstract: A thermoplastic polycarbonate molding composition resistant to ionizing radiation is disclosed. Accordingly, a composition containing a polycarbonate resin and an effective amount of an ester based on an aromatic carboxylic acid and at least one member selected from the group consisting of secondary alcohol, benzyl alcohol and tertiary alcohol was found to be resistant to the yellowing which characterizes polycarbonate compositions exposed to ionizing radiation.

Abstract: Properties of interpolymers of .alpha.-olefin/vinylidene aromatic monomer are enhanced with plasticizers selected from phthalate esters, trimellitate esters, benzoates, aliphatic diesters, epoxy compounds, phosphate esters, glutarates, polymeric plasticizers (polyesters of glycols and aliphatic dicarboxylic acids) and oils. These plasticized interpolymers are useful in a wide range of applications including films, sheet, adhesives, sealants and molded parts.

Abstract: A plastisol type adhesive composition used to bond a filer paper and end caps of an filter element of a fuel filter for filtering a mixture fuel of gasoline and methanol. The adhesive composition comprises a polymer (vinyl chloride polymer and/or copolymer) in an amount of 100 parts by weight, a filler in an amount ranging from 50 to 250 parts by weight, a plasticizer in an amount ranging from 50 to 250 parts by weight, and phenolic resin as an adhesiveness providing agent, in an amount ranging from 0.5 to 20 parts by weight.

Abstract: The present invention is directed to compositions for use as additives in the automotive industry, which compositions contain waste powder prime and a plasticizer selected from the group consisting of 2-ethylhexyl diphenyl phosphate, diisoheptyl phthalate, a linear phthalate based upon C.sub.7 -C.sub.9 alcohols, a mixture of esters containing a minimum of 55 percent of diesters and a maximum of 20 percent dibenzoate, a mixture of esters containing a minimum of 60 percent of diesters and a maximum of 30 percent dibenzoate and dipropylene glycol dibenzoate and automotive sealants which contain waste powder prime, a plasticizer selected from the group consisting of 2-ethylhexyl diphenyl phosphate, diisoheptyl phthalate, a linear phthalate based upon C.sub.7 -C.sub.

Abstract: A novel wet, buttery plastisol paint with a critical formulation and range of viscosity that enables the paint permanently to stay moist both on the canvas and palette, and novel method of using the same, with heat-curing to harden the paint before, after and during the painting process, as desired.

Abstract: A hot melt adhesive composition can be made using a polyester derived from 2-propanoic acid (lactic acid). A thermoplastic resin grade polyester can be formulated into a functional adhesive using adhesive components. A lower molecular weight material can be used as a tackifying resin with a biodegradable/compostable resin in a formulated hot melt adhesive. The adhesive material can be made pressure sensitive and can be made entirely by a degradable by combining the polyester polymer with other biodegradable/compostable ingredients. The resulting adhesive composition that can be used in a variety of applications. The biodegradable/compostable adhesive material can be used as a substitute for non-biodegradable materials made from commercial polymers that resist attack by bacteria, fungi and other microbial populations. The hot melt adhesives can be used in (e.g.) packaging and the manufacture of disposable articles which are made from degradable materials.

Abstract: Alkyl cyanoacrylate compositions comprising at least one alkyl cyanoacrylate, a biocompatible plasticizer (preferably dioctyl phthalate), and SO.sub.2 as an anionic polymerization inhibitor are provided. These compositions are suitable for topical application to human skin.

Abstract: Mixtures of isomeric decyl alcohols obtained by oligomerization of propylene in the presence of deactivated zeolites as catalysts, followed by separation of the nine carbon olefins from the oligomer mixture, then hydroformylation of the 9 carbon olefins to 10 carbon aldehydes, and hydrogenation of the aldehydes to the corresponding alcohols. The mixtures, when esterified with phthalic acid, or anhydride, provide a mixture of isomeric di-decyl phthalates that can be used as plasticizers.

Abstract: Plastisol coatings and adhesives having reduced bulk density are provided by incorporating hollow thermoplastic microspheres, wherein the surface of the microspheres is wet by a surfactant which preferentially wets the surface of the microspheres, where the total solids content of the plastisol does not exceed the critical pigment volume concentration, and where the temperature and pressure of processing and use of the microsphere filled plastisol are kept to the minimums required for effective operation. Preferred hollow thermoplastic microspheres having a thermally bonded surface coating of a solid particulate material, such as calcium carbonate, silica, or the like are employed where the thermoplastic of the microspheres is wet by a surfactant which preferentially wets the surface of the thermoplastic and where the solid particulate material on the surface is wet by a surfactant or plasticizer which preferentially wets the solid particles are particularly effective in such plastisol coatings and adhesives.

Abstract: Polymer prepared by anionic polymerization and having a number average molecular weight of from 300,000 to 10,000,000 contain, as components,from 10 to 100% by weight of an ethylenically unsaturated vinyl-aromatic a),from 0 to 90% by weight of an aliphatic diene having two conjugated double bonds b) andfrom 0 to 30% by weight of further ethylenically unsaturated monomers c).

Abstract: Coating compositions based on waxes, wax-like compounds, drying oils or alkyd resins are improved in their running behavior by the addition of additives which gel at elevated temperature. Other positive properties of the coating compositions, such as for example wetting, penetration (creepage), sprayability, are not adversely affected.

Abstract: Aqueous latices adapted to forming visible light transparent, coherent polymeric films, e.g. in laminates, as protective coatings or as adhesives, comprising colloidal particles of a UV-absorbing polymer less than 5 micrometers in diameter. Useful UV-absorbing polymer include homopolymers and copolymers of vinyl-functionalized monomer of benzotriazole or benzophenone and mixtures with plasticizer and/or coalescing agent. Plasticizer and coalescing agents are useful for providing polymer with reduced glass transition temperature to facilitate coalescence of polymer particles into coherent films. Useful additives for the latices of this invention include wetting agents, surfactants, and crosslinking agents, anti-oxidants and radical scavengers. The latices of this invention are particularly useful in providing clear, thin coatings on windows, tags, labels, flooring, tents, awnings, containers and other UV-susceptible substrates.

Abstract: The invention relates to storage-stable compositions comprising(A) organopolysiloxane resin having hydroxyl and/or alkoxy groups bonded to silicon atoms, and(B) stabilizers selected from among(B1) aliphatic polycarboxylic acids having at least 2 carboxyl groups and(B2) carboxylic anhydrides of aliphatic polycarboxylic acids having at least 2 carboxyl groups.

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: Provided is a steering wheel pad made of a soft vinyl chloride resin composition. The soft vinyl chloride resin composition is 100 parts by weight of a vinyl chloride resin, 20 to 150 parts by weight of a thermoplastic aliphatic polyurethane, and 60 to 150 parts by weight of an alkyl phthalic ester having the following chemical formula: ##STR1## wherein m and n are 7 to 9. The alkyl phtalic ester has a linear chain ratio of an ester group of 80% or more.

Abstract: A granular vinyl chloride resin composition in the form of spherical or cylindrical granules having a size of from 0.05 to 20 mm made of a mixture comprising, as the main components, 100 parts by weight of fine vinyl chloride resin particles having a particle size of from 0.01 to 3 .mu.m, a course vinyl chloride resin having a particle size of 5 to 65 .mu.m and from 10 to 400 parts by weight of a filler.

Abstract: A polyvinyl based coating composition which protects against impact stresses. The composition includes polyvinyl chloride, vinyl chloride-vinyl acetate copolymer, calcium carbonate, hollow plastic spheres and a C.sub.9 or higher phthalate acid ester plasticizer.

Abstract: Preparation of polyvinyl acetals which can form emulsifier- and surfactant-free aqueous dispersions and redispersible dry powders and contain copolymeric polyvinyl acetals with, in amounts sufficient to form a dispersion, comonomer units carrying sulfo salt groups which are derived from copolymeric polyvinyl alcohol (PVALs) which contained comonomer units carrying sulfonate groups in the salt form. The preparation is carried out by acetalization of the starting polyvinyl alcohols to be used with aldehydes or aldehyde acetals under acid-catalyzed acetalization conditions in an aqueous medium, emulsifier-free stable aqueous polyvinyl acetal dispersions being obtained, from which dry redispersible polyvinyl acetal powders can be obtained by spray drying or freeze drying. The polyvinyl acetals according to the invention can be plasticized by mixing in plasticizers both in their aqueous dispersion form and in the dry powder form.

Abstract: A vinyl chloride resin elastomer composition comprising, as main components, 100 parts by weight of a vinyl chloride resin, from 10 to 200 parts by weight of an acrylic rubber containing a tetrahydrofuran-insoluble cross-linking component, from 1 to 50 parts by weight of an acrylic resin and from 30 to 300 parts by weight of a plasticizer.

Abstract: A laminate for flexible packaging and a process for preparing the same. The laminate for flexible packaging is obtained by joining a plurality of flexible blanks via layers of an adhesive agent, wherein the layers of said adhesive agent are layers of an isocyanate-terminated polyurethane type hot-melt resin that is crosslinked with the moisture, the residual amount of an organic solvent in said laminate is 10 .mu.g/m.sup.2 or smaller per a unit inner surface, the peeling strength at 25.degree. C. is 250 g/15 mm of width or greater, and a peeling strength retentivity at 80.degree. C. is 30% or greater of the peeling strength at 25.degree. C.

Abstract: Adhesive formulations are blends of aqueous polymer dispersions and a hydrophobic plasticizer. The blended dispersed polymers include at least one hard sulfonated polyester urethane, at least one soft non-sulfonated polyester urethane, and at least one polar non-polyurethane water-based polymer or copolymer. A high molecular weight elastomeric non-sulfonated polyurethane polymer and a crosslinker are optional further components in the blend. The formulations are useful as non-heat activating, one-component adhesives which generate excellent green strength, water and heat resistant bonds.

Abstract: The invention concerns a rubber eraser made of a binder and plasticizer, as well as fillers, pigments and/or other additives, if applicable, which contains polyalkyl methacrylate (PAMA), especially polymethyl methacrylate (PMMA), polyethyl methacrylate (PEMA), polypropyl methacrylate (PPMA), polybutyl methacrylate (PBMA) and/or copolymerizates of these as the binder. Furthermore, the invention concerns processes for manufacturing such rubber erasers, where either first, a plastisol of fine-grain polyalkyl methacrylate and plasticizer is formed, and fillers, internal lubricants, pigments and/or other additives are then mixed into this plastisol, or according to which first, the PAMA powder, the filler as well as any other dry components such as internal lubricants, pigments, etc. are intimately mixed while dry, and the liquid plasticizer is then added to this mixture and mixed or kneaded in.

Abstract: The invention relates to copolymers made from mono-reactive liquid and/or di-reactive liquid crystals which can be photopolymerized to form copolymers and to novel reactive liquid crystal compound having a nematic phase. Preferentially the reactive liquid crystal is polymerized while in the liquid crystal phase to produce an oriented birefringent polymer film. To do this, the reactive liquid crystal, in its nematic or smectic phase is aligned (by well known techniques such as rubbed polyimide, etc.) and the thin film containing a small amount of photoinitiator, is subjected to ultraviolet light whereupon it polymerizes into a thin, aligned polymer film.

Abstract: Alkyl cyanoacrylate compositions comprising at least one alkyl cyanoacrylate, a biocompatible plasticizer (preferably dioctyl phthalate), and SO.sub.2 as an artionic polymerization inhibitor are provided. These compositions are suitable for topical application to human skin.

Abstract: Compositions, composite articles and process for producing same are provided from a reinforced polyvinyl halide composition (A) comprising a high molecular weight polyvinyl halide resin, a plasticizer, and a reinforcement material, such as glass fibers, in combination with (B) a composition having adhesion to (A). Preferably (B) comprises a thermoplastic compound selected from the group consisting of PVC, plasticized PVC, styrene derivatives, urethane derivatives, acrylic derivatives, acrylonitrile derivatives, polyester derivatives, and mixtures thereof, with the most preferred composition being an unreinforced, plasticized polyvinyl halide composition. The composition article exhibits good strength, low sag at high use temperatures, and lowered coefficient of thermal expansion for use in contact with metal or polymeric substrates such as panels.

Abstract: The invention relates to plastisols which prevent a yellowing of top coats applied thereon, to a process for their preparation and to their use. The plastisols based on PVC or methacryl contain, in addition to basic adhesion promoters, aldehydes, ketones, their derivatives, oligomers or mixtures of same.

Abstract: A polymeric film has a polyester substrate layer and a cross-linked adherent layer of an acrylic resin and a phthalate ester. The adherent layer exhibits improved adhesion to the substrate and to a range of subsequently applied layers, such as inks, lacquers, and vinyl chloride polymers.

Abstract: Mixtures of isomeric decyl alcohols prepared by hydroformylation of mixtures of butene-1 and butene-2 in two stages to give aldehyde mixtures, and condensation of the aldehyde mixtures to form an aldol mixture, followed by separation and hydrogenation. The first stage of the hydroformylation proceeds in the presence of rhodium catalysts dissolved in water, the second stage in the presence of cobalt catalysts homogeneously dissolved in the reaction medium. The mixture of isomeric decyl alcohols, when esterified with phthalic acid, yields a mixture of isomeric decyl phthalates which are useful as plasticizers.

Abstract: Mixtures of isomeric decyl alcohols prepared by hydroformylation of mixtures of butene-1 and butene-2 in two stages to give aldehyde mixtures, and condensation of the aldehyde mixtures to form an aldol mixture, followed by separation and hydrogenation. The first stage of the hydroformylation proceeds in the presence of rhodium catalysts dissolved in water, the second stage in the presence of cobalt catalysts homogeneously dissolved in the reaction medium. The mixture of isomeric decyl alcohols, when esterified with phthalic acid, yields a mixture of isomeric decyl phthalates which are useful as plasticizers.

Abstract: There is disclosed a core-shell polymer which comprises:(a) a core layer polymerized from a core forming monomer mainly comprising an aromatic monovinyl monomer; and(b) a shell layer polymerized from a shell forming monomer which comprises:(b1) 25-95% by weight of an aromatic monovinyl monomer as a first monomer;(b2) 5-40% by weight of at least one monomer selected from the group consisting of an .alpha., .beta.-ethylenically unsaturated carboxylic acid and a hydroxyalkyl ester of .alpha., .beta.-ethylenically unsaturated carboxylic acid as a second monomer; and(b3) 0-70% by weight of a third monomer which is other than the first and second monomers and is copolymerizable therewith,wherein the shell layer is contained in an amount of 5-70% by weight based on the core-shell polymer, and the core-shell polymer having a weight average particle size of 0.1-50 micrometers.There is further disclosed a plastisol which comprises the core-shell polymer dispersed in a liquid plasticizer.

Abstract: A thermoplastic elastomer composition comprising 100 parts by weight of a crystalline chlorinated polyethylene with a chlorination degree of from 20 to 45% and a heat of crystal fusion of from 5 to 35 cal/g as measured by a DSC method, obtained by chlorinating a polyethylene having a weight average molecular weight of from 100,000 to 750,000, from 1 to 100 parts by weight of a crystalline polyolefin and from 5 to 200 parts by weight of a plasticizer.

Abstract: According to the present invention there is provided a thermoplastic resin composition comprising an aromatic polycarbonate resin, potassium titanate and an organic acid. This resin composition can be advantageously used for molding large parts for precision machines and large parts for automobiles.