Abstract: Mild acid treatment of potassium 3A zeolite molecular sieve to modify the pH of the surface of the molecular sieve to a pH ranging between 9.6 and 11 was found to significantly minimize the effect of the potassium 3A zeolite on the pot life when used as a drying agent for non-foamed polyurethanes. Increases in pot life in non-foamed polyurethane preparations over similar preparations with untreated potassium 3A zeolite molecular sieve were dramatic (about 400%) with less than 5% reduction in water adsorption capacity.

Abstract: Glass polyalkenoate (glass ionomer) cements are used formed into dental crowns, despite their reputedly inadequate toughness, strength and wear-resistance early after forming for such an application, by heating the newly formed glass ionomer crown under a relative humidity of 100% in a bomb under silicone oil at 120-200.degree. C. for an hour.

Abstract: A cold-setting aqueous emulsion paint comprising a pigment and an aqueous emulsion resin consisting essentially of a copolymer of (a) a polymerizable monomer of the formula (I): ##STR1## wherein R is a hydrogen atom or a methyl group, and n is 1 or 2, (b) a polymerizable monomer having a carboxyl group and an ethylenic double bond, and (c) a polymerizable monomer having an ethylenic double bond copolymerizable with the above polymerizable monomers (a) and (b).

Abstract: A polypropylene-based resin composition comprising:(A) 50% by weight or more of a polypropylene-based resin;(B) 1 to 40% by weight of an inorganic filler; and(C) 0 to 40% by weight of an ethylene-.alpha.-olefin random copolymer rubber and/or a vinyl aromatic compound-containing rubber, the total amount of (A), (B) and (C) being 100% by weight, and(D) as antistatic agents, a glycerin C.sub.16 -C.sub.18 monofatty acid ester wherein the C.sub.18 content is 50% by weight or more; a diglycerin C.sub.16 -C.sub.18 fatty acid ester wherein the C.sub.18 content C.sub.16 -C.sub.18 alkyldiethanolamine wherein the C.sub.18 content is 50% by weight or more.

Abstract: A stabilizer combination, principally for PVC, is described which essentially comprisesA) at least one zinc compound of the formula IZn(R.sup.1 R.sup.2) (I)andB) at least one metal compound of the formula IIMe.sup.n+ (R.sup.3.sub.a R.sup.4.sub.b R.sup.5.sub.c) (II)in which Me is Al, Mg, Na or K,a, b and c are 0, 1, 2 or 3,n=a+b+c and can be from 1 to 3, and at least one radical R.sup.1 to R.sup.5 independently of one another are C.sub.1 -C.sub.22 carboxylates, C.sub.2 -C.sub.21 alkenyl-CO.sub.2 --, phenyl-CO.sub.2 --, naphthyl-CO.sub.2 --, C.sub.5 -C.sub.12 cycloalkyl-CO.sub.2 --, C.sub.7 -C.sub.18 alkylphenyl-CO.sub.2 --, C.sub.7 -C.sub.18 alkylphenyl-O--, C.sub.7 -C.sub.9 phenylalkyl-CO.sub.2 --, C.sub.1 -C.sub.21 -alkyl-O--, R.sup.8 --O--CO--[CH.sub.2 ].sub.p --S-- or a radical of the formula R.sup.6 --CO--CH.dbd.CR.sup.7 --O.sup..crclbar.

Abstract: A composite for a dental restoration is presented comprising ground, densified, embrittled glass fibers together with fillers and a polymeric matrix precursor composition. The ground, densified, embrittled glass fibers are obtained by grinding glass fibers which have been densified and embrittled by heating glass fibers at a temperature substantially below the softening point of the glass fibers, without significant fusion or melting together of the fibers. The composite is particularly useful as a direct filling material, in that it has the feel and workability of an amalgam.

Abstract: Modified mineral fillers, derived from either a coarse particle kaolin clay or a coarse particle ATH, having excellent utility in thermoset polymers as low paste viscosity fillers are disclosed. The method of treatment involves the use of specific weight ratio combinations of a silane and a long chain aliphatic alcohol. The treatment of clay can also involve the auxiliary use of a surfactant in small amounts, which is utilized to emulsify the silane and aliphatic alcohol treatment components in water either individually or as a co-emulsion blend prior to their addition to the clay. The surfactant, which is preferably a nonionic surfactant having a HLB value of 12-18, aides in uniformly treating all the clay particle surfaces with the silane/alcohol treatment combination. Coarse particle clays having general utility in the invention are those having an average Stokes equivalent particle diameter of at least 3.

Abstract: A crosslinkable silicone compound including: a crosslinkable silicone polymer, constituted by polyorganosiloxane; a crosslinking agent, constituted by polyhydrogen organosiloxane; a platinum catalyst; and a synthetic sodium-aluminum zeolite. The compound is completed by inhibitors and/or fillers and/or release agents and/or colors and/or plasticizers and/or additives to modify its rheological characteristics.

Abstract: The invention relates to novel compositions comprising thermoplastic elastomers and microporous inorganic fillers, and novel continuous, non-porous films formed therefrom which are impermeable to blood and preferably have enhanced moisture vapor transmission rates (MVTR).

Abstract: Intercalates formed by contacting the layer material, e.g., a phyllosilicate, with an intercalant to sorb or intercalate the between adjacent platelets of the layered material. Sufficient intercalant polymer is sorbed between adjacent platelets to expand the adjacent platelets at least about 5 .ANG. (as measured after water removal to 5% by weight water), up to about 100 .ANG. and preferably in the range of about 10-45 .ANG., so that the intercalate easily can be exfoliated into individual platelets. A monovalent, divalent and/or trivalent cation is added to the intercalating composition, or after intercalation for surprising increases in viscosity. The intercalated complex is combined with an organic liquid into an unexpectedly viscous carrier material, for delivery of the carrier material, or for delivery of an active compound, e.g., a pharmaceutical, or cosmetic, or lubricant, e.g., food grade lubricants dissolved or dispersed in the carrier material.

Abstract: A polystyrene-based resin composition containing a styrene-based resin with mainly syndiotactic configuration and filler as main components. Styrene-based resins of mainly syndiotactic configuration include polystyrene, poly(alkylstyrene), poly(halogenated styrene), poly(alkoxystyrene), styrene copolymers comprised of polymerized units of at least of styrene, alkylstyrene, halogenated styrene and alkoxystyrene, and mixtures thereof.

Abstract: A thermoplastic resin molded article having gloss of at least one surface above 80%, a storage modulus in common logarithm being 7 to 8 MPa within a temperature range higher by 20.degree. C. to 100.degree. C. than the glass transition temperature, a cooling distortion ratio of 1.0 kg/cm.sup.2 .multidot..degree.C. or less when the molded article is cooled from 130.degree. C. to 50.degree. C. and an Izod impact strength of 2.0 kj/m.sup.2 or more, is provided, together with a thermoplastic resin composition containing a polybutylene terephthalate resin, a polyethylene terephthalate resin, a (metha)acrylic resin, a polymer particle of a multi-layer structure and an inorganic filler, which composition is used for producing the molded article.

Abstract: The present invention relates to a coating composition and a pigment dispersant comprising aldimine having the formula ##STR1## wherein R.sub.1 is alkyl, aryl, cycloaliphatic or substituted alkyl, aryl, cycloaliphatic or heterocyclic group, and R.sub.2 is monomeric or polymeric aliphatic, aromatic, arylaliphatic or cycloaliphatic group which may contain O, N, S, or Si.The coating composition further comprises:b) an isocyanate compound having ubetdione functionality,c) at least one moisture absorbing compound, andd) acid catalyst,wherein the coating composition demonstrates increased pot life and decreased dry time.

Abstract: A composite clay material with the interlayer distance sufficiently expanded by dispersing clay mineral in a low polar polymer on a molecular level and the method for producing the same, blend material and composite clay rubber material using the same and the production method thereof.The composite clay material is formed of a clay mineral rendered compatible with an organic material through ionic bonding to an organic onium ion having 6 or more carbon number and a main guest molecule having a polar group in its main chain and side chain and molecular length equal to or larger than that of said organic onium ion. The main guest molecule is incorporated at least partially into an interlayer section of the clay mineral which has a hydrogen bonding with the polar group of the main guest molecule. The main guest molecule preferably has a molecular weight ranging from about 100 to 100000.

Abstract: The invention provides dental composition system having curable liquid which is useful alone as a light curable composition and which is useful by mixing with a powder in preselected proportions to form dual cure compositions. The composition system is useful as bonding agent, cement, liner, base, restorative, pit and fissure sealants, and/or core build-up material, having improved adhesion to dentin. After storing the powder and the liquid in separate containers for at least two weeks and then mixing a portion of the powder and a portion of the liquid to form a mixture, the polymerizable compound polymerizes within 20 minutes of the mixing to form a first polymeric material having a flexural strength of at least 50 MPa, and an expansion in water at 37.degree. C. after 90 days of less than 1 percent by volume.

Abstract: This invention relates to the protection of polyurethane compositions and especially of elastic polyurethane fibers produced therefrom against destruction or degradation by dry cleaning agents based on halogenated or non-halogenated hydrocarbons, in particular on tetrachloroethylene (perchlor), as are used for dry cleaning textiles. This invention in particular relates to the use of hydrotalcites and/or other metal aluminium hydroxy compounds which are coated with anionic surfactants, fatty acids, silanes, polyorganosiloxanes, polyorganohydrogensiloxanes or higher fatty acid esters or are uncoated as additives to polyurethane compositions and especially polyurethane fibers produced therefrom to provide protection against degradation or destruction by the hydrocarbons.

Abstract: A dental filling resin composition is disclosed, comprising: a reaction product between an aluminosilicate glass powder containing at least one element selected from Ca, Sr, and Ra and an organic acid containing one or more carboxyl groups in one molecule thereof, a methanol-insoluble polymer, a monomer containing at least one unsaturated double bond and having no acidic group, and a polymerization initiator, and optionally a filler.The dental filling resin composition of the invention has not only superior mechanical characteristics and esthetics but also an ability to release a fluorine ion and therefore, can be suitably used for a wide variety of clinical applications such as filling restoration of tooth, core construction, or sealing of pit and fissure.

Abstract: A method for removing a resist pattern formed on a semiconductor wafer, and a curable pressure-sensitive adhesive, adhesive sheets and an apparatus used for the method. The resist-removing method comprising adhering an adhesive tape on an upper surface of a resist pattern formed on an article and peeling off the resist pattern together with the adhesive tape; the curable pressure-sensitive adhesive constituting the adhesive tape, comprising a pressure-sensitive adhesive polymer containing a non-volatile compound having at least one unsaturated double bond in the molecule and having a good affinity with a resist material to be removed; the adhesive sheet comprising a film substrate having formed thereon the curable pressure-sensitive adhesive; and the resist-removing apparatus comprising a means for press-adhering the adhesive tape, a tape-peeling means, and a substrate-washing means.

Abstract: The invention relates to a composition comprising a thermoplastic, structurally crosslinked elastomeric or thermosetting polymer, which comprises(a) a polar, adsorptive inorganic or organic material in the form of fibres or particles which are in mutual contact, onto which is adsorptively bound(b) a polar antistatic agent comprising a mixture ofb1) at least one polar organic compound having at least 5 carbon atoms and at least 3 heteroatoms, andb2) the salt of an inorganic protic acid, which is solvated or complexed in the polar organic compound. The invention also relates to a second composition comprising b) a polar inorganic or organic material, b1) a polar organic compound having at least 5 carbon atoms and at least 3 heteroatoms and b2) an inorganic salt, to the use of this second composition for the antistatic treatment of polymers, and to a process for preparing antistatically treated polymers.

Abstract: The present invention relates to flameproof thermoplastic resin compositions comprising (A) a base resin comprising (1) 75 to 96% by weight of a thermoplastic, halogen-free polycarbonate, (2) 4 to 25% by weight of a styrene-containing graft copolymer, and (3) 0 to 10% by weight of a styrene-containing copolymer, (B) 5 to 20 parts by weight, per 100 parts by weight of the base resin (A), of a phosphate composition, and (C) 0.05 to 10 parts by weight, per 100 parts by weight of the base resin (A), of a zeolite. The addition of the zeolite component provides thermoplastic resin compositions with a good combination of physical properties, including improved long-term heat stability.

Abstract: A composition for removing a substance from a surface is prepared by: forming a gelatinous base material comprising water and a rheology agent; forming a solvent; forming a neutralizing agent; combining the gelatinous base material and the solvent with microscopic crystalline particles and an agent which reduces the effective rubbing coefficient of the microscopic crystalline particles to form a non-neutralized composition; and combining the non-neutralized composition with the neutralizing agent to form the composition. Foreign substances can be removed from a finished surface and the visibility of superficial scratches in the finished surface can be reduced by gently rubbing the composition on the finished surface and then removing the composition. The composition includes microscopic (approximately 1 micron) crystalline particles which contact, dislodge and remove the foreign substance or minute portions of the finish.

Abstract: The present invention relates to polymeric compositions that are biodegradable and that can be melt processed into various forms, including films, fibers, and nonwovens. The compositions include compatible or semicompatible blends of biodegradable polymers and have physical and thermomechanical integrity. Films formed from preferred polymeric compositions are suitable for use as backsheets in disposable absorbent articles. In a preferred embodiment, the polymeric composition includes a polyhydroxyalkanoate and at least one other biodegradable polymer selected from aliphatic polyester-based polyurethanes, a polylactide, polycaprolactone, or a mixture of two or more of these polymers. Where the second polymer is polycaprolactone, the composition preferably also includes a third polymer for enhancing the melt processability of the composition.

Abstract: Disclosed are polyolefin films suitable for packaging having Elmendorf values lower than 0.8N in both machine direction and cross direction are obtained from compositions comprising (percentages by weight):A) from 70% to 90% of a polyolefin matrix containing 30% of one or more crystalline propylene homopolymers and/or copolymers having a flexural modulus greater than or equal to 1800 MPa;B) from 10% to 30% of one or more mineral fillers.

Abstract: A polyfluoroalkyl silicone having the general formula:M.sub.a M'.sub.b D.sub.c D'.sub.d T.sub.e T'.sub.f Q.sub.g ;whereM=R.sup.1.sub.u R.sup.2.sub.v R.sup.3.sub.w SiO.sub.1/2 with the sum of the subscripts u+v+w being 3 and the subscripts v and w are each independently 0 or 1;M'=R.sup.4 R.sup.5 R.sup.6 SiO.sub.1/2 ;D=R.sup.7.sub.x R.sup.8.sub.y SiO.sub.2/2 with the sum of the subscripts x+y being 2 and y is 0 or 1;D'=R.sup.9 R.sup.10 SiO.sub.2/2 ;T=R.sup.11.sub.z SiO.sub.3/2 with the subscript z being 1;T'=R.sup.12 SiO.sub.3/2 ; andQ=SiO.sub.4/2 ;where the substituent groups R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.8, R.sup.9, R.sup.10, and R.sup.12 are each independently selected from the group of one to forty carbon atom monovalent hydrocarbon radicals, the subscripts a, b, c, d, e, f, and g are zero or positive integers with the substituent groups, R.sup.1, R.sup.7, and R.sup.11, each independently selected from the group of consisting of monovalent polyfluoroalkyl groups having the formula CF.

Abstract: One-coating and one-package type coating material in which wall surfaces or the like of a building are finished into natural granite tone are disclosed. A group of flexible resin flakes having more than three kinds of colors and a binder which is turned to be substantially transparent when dried or set are mixed together. The resin flakes have an irregular shape and a random size, the thickness is uneven within one piece and every one piece, having a peripheral end which becomes continuously thin toward the outer edge, and have a color tone similar to the components of granite. Since the peripheral end of the resin flakes is continuously thin toward the outer edge, when coated, there is no unnatural difference in level in the superposed portions of resin flakes. Further, an external appearance and a quality sense extremely close to natural granite are obtained due to the unevenness of thickness of resin flakes.

Abstract: A curable organopolysiloxane composition is disclosed, comprising (A) 100 parts by weight of an organopolysiloxane having at least two monovalent aliphatic unsaturated hydrocarbon groups bonded to the silicon atoms per molecule, (B) an organopolyhydrogensiloxane having at least three hydrogen atoms bonded to the silicon atoms per molecule in such an amount that the number of the hydrogen atoms bonded to the silicon atoms falls within a range of from 0.25 to 8 per monovalent aliphatic unsaturated hydrocarbon group in component (A), (C) a catalyst selected from the group consisting of platinum and platinum compounds in an amount of from 0.

Abstract: There is provided a fluoride-ion sustained release pre-formed glass ionomer filler comprising a powdery reaction product of polyalkenoic acid with a fluorine-containing glass, and a method of producing the same. There is also provided a dental composition containing the filler. The fluoride-ion sustained release pre-formed glass ionomer filler is long capable of releasing fluoride ions in the presence of water without involving disintegration. The dental composition of the invention is useful particularly for prevention of dental caries and like trouble.

Abstract: Nanocomposites are manufactured by combining a host material, such as an organic solvent or a matrix polymer and exfoliated intercalates formed by contacting a phyllosilicate with a polymer to adsorb or intercalate the polymer between adjacent phyllosilicate platelets. Sufficient polymer is adsorbed between adjacent phyllosilicate platelets to expand the adjacent platelets to a spacing of at least about 5 .ANG., preferably at least about 10 .ANG. (as measured after water removal), up to about 100 .ANG. and preferably in the range of about 30-40 .ANG., so that the intercalate easily can be exfoliated, e.g., when mixed with an organic solvent or a polymer melt, to provide a carrier material for drugs and the like, or to provide a matrix polymer/platelet composite (nanocomposite) material--the platelets being exfoliated from the intercalate.

Abstract: This application discloses two-coat and three-coat automotive finishes, articles coated by an automotive finish and a process for their preparation wherein polychromism is achieved in the finish by incorporating an opaque, light interference pigment into the topcoat or a midcoat. The invention further relates to a coating composition which contains an opaque interference pigment at a pigment to binder ratio of less than 7/100.

Abstract: A dental material comprising a porous ceramics formed into an artificial tooth, an inlay, an onlay, a crown, a crown bridge or into a block shape suitable for CAD/CAM, sintered, having communicating holes, and impregnated with a resin. A porous ceramics formed from a network-forming oxide is applicable, and an intermediate oxide and a network-modifying oxide may also be adopted. The porous ceramics should preferably have a porosity within a range of from 0.5 to 70%. The resin should preferably a polymer of a monomer and/or oligomer containing at least an ethylenic double bond. Prior to impregnation of the porous ceramics with the resin, the porous ceramics should preferably be subjected to a coupling treatment.

Abstract: A method for the production of an absorbent resin having a very small residual monomer content either by adding to an absorbent resin powder a substance capable of reacting with the residual monomer in the absorbent resin powder thereby forming an absorbent resin composition having a water content in the range of 10 to 70% by weight and heat-treating the absorbent resin composition at a temperature in the range of 100.degree. to 200 .degree. C. while retaining the water content of the absorbent resin or by adding to an absorbent resin powder a substance capable of reacting with the residual monomer in the absorbent resin powder thereby forming an absorbent resin composition having a water content in the range of 25 to 55% by weight, heat-treating the absorbent resin composition at a temperature in the range of 120.degree. to 200 .degree. C.

Abstract: A composition useful as a restorative material includes a curable matrix with whiskers which preferably have a silicon dioxide containing coating thereon that are then silanized and may also include optional particulate filler of the type which may release fluorides. The polymeric matrix bonds more tightly to the whiskers due to the coating of silicon dioxide on the surface of the whiskers and the coaction between said silicon dioxide and the silane compound. Particles adhered to the whisker also enhance the mechanical properties by virtue of the whisker's surface being thereby roughened. A method of manufacture is also disclosed.

Abstract: Nanocomposites are manufactured by combining a host material, such as an organic solvent or a matrix polymer and exfoliated intercalates formed by contacting a phyllosilicate with an intercalant selected from the group consisting of (1) an N-alkenyl amide monomer and an allylic monomer; (2) an oligomer formed by copolymerizing an N-alkenyl amide monomer and an allylic monomer; (3) a polymer formed by copolymerizing an N-alkenyl amide monomer and an allylic monomer; and (4) mixtures thereof to adsorb or the intercalant between adjacent phyllosilicate platelets. Sufficient polymer is adsorbed between adjacent phyllosilicate platelets to expand the adjacent platelets to increase the spacing at least about 10 .ANG., preferably at least about 20 .ANG. (as measured after water removal), up to about 100 .ANG. and preferably in the range of about 30-40 .ANG., so that the intercalate easily can be exfoliated, e.g.

Abstract: Method, composition and structure are provided for tooth restorations comprising a urethane polymer having a crystalline polymer phase distributed in a noncrystalline polymer phase by virtue of differential reactivity of the urethane forming reagents.

Abstract: A polycarbonate resin composition comprising substantially:94.0-99.5% by weight of a polycarbonate resin, and0.5-6.0% by weight of zeolite having tannic acid adsorbed thereon.In this polycarbonate resin composition, the molecular weight reduction of polycarbonate resin is suppressed.

Abstract: A polyfluoroalkyl silicone having the general formula:M.sub.a M'.sub.b D.sub.c D'.sub.d T.sub.e T'.sub.f Q.sub.g ;whereM=R.sup.1.sub.u R.sup.2.sub.v R.sup.3.sub.w SiO.sub.1/2 with the sum of the subscripts u+v+w being 3 and the subscripts v and w are each independently 0 or 1;M'=R.sup.4 R.sup.5 R.sup.6 SiO.sub.1/2 ;D=R.sup.7.sub.x R.sup.8.sub.y SiO.sub.2/2 with the sum of the subscripts x+y being 2 and y is 0 or 1;D'=R.sup.9 R.sup.10 SiO.sub.2/2 ;T=R.sup.11.sub.z SiO.sub.3/2 with the subscript z being 1;T'=R.sup.12 SiO.sub.3/2 ; andQ=SiO.sub.4/2 ;where the substituent groups R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.8, R.sup.9, R.sup.10, and R.sup.12 are each independently selected from the group of one to forty carbon atom monovalent hydrocarbon radicals, the subscripts a, b, c, d, e, f, and g are zero or positive integers with the substituent groups, R.sup.1, R.sup.7, and R.sup.11, each independently selected from the group of consisting of monovalent polyfluoroalkyl groups having the formula CF.

Abstract: Finely divided mixtures of 97-10% by weight of at least one amphiphilic polymer whose softening point is above 35.degree. C., and 3-90% by weight of at least one inorganic solid with a particle size not exceeding 500 .mu.m are prepared by heating the two components to a temperature which is above the softening point of the polymer, mixing the components, dispersing the melt and rapidly cooling to a temperature at which virtually no inhomogeneity occurs and, where appropriate, further comminuting the particles at temperatures below 50.degree. C. to a particle size of from 50 .mu.m to 5 mm, and are used as additive to detergents.

Abstract: The method relates to the preparation of dry chitin forms of consistent shape that incorporates an advantageous additive such as fillers or reinforcement during the preparation process to give dry forms of chitin with consistent shape typically known as filler containing chitin or chitin composites.

Abstract: The invention relates to a composition comprising a thermoplastic, structurally crosslinked elastomeric or thermosetting polymer, which comprises(a) a polar, adsorptive inorganic or organic material in the form of fibers or particles which are in mutual contact, onto which is adsorptively bound(b) a polar antistatic agent comprising a mixture ofb1) at least one polar organic compound having at least 5 carbon atoms and at least 3 heteroatoms, andb2) the salt of an inorganic protic acid, which is solvated or complexed in the polar organic compound. The invention also relates to a second composition comprising b1) a polar inorganic or organic material, b) a polar organic compound having at least 5 carbon atoms and at least 3 heteroatoms and b2) an inorganic salt, to the use of this second composition for the antistatic treatment of polymers, and to a process for preparing antistatically treated polymers.

Abstract: An anti-blocking agent comprising silicon dioxide or mixtures of silicon dioxide and zeolite is described, which is characterized in that it has a bimodal pore size distribution, the first maximum of the bimodal pore size distribution being in the pore size range<5 nm and the second maximum of the bimodal pore size distribution in the pore size range>6 nm. The anti-blocking agent is obtainable by micronizing a mixture comprising silicon dioxide of a certain pore size and silicon dioxide and/or zeolite having a different pore size. It can be produced together with lubricating agent as a combined anti-blocking and lubricating agent. Incorporation of the anti-blocking agent or of the combined anti-blocking agent and lubricating agent into a polymer in the form of a master batch is preferable.

Abstract: There is disclosed a water-repellent powder which is prepared by (A) coating the surface of a deliquescent powder with a curable silicone-based formation agent; and (B) curing said formation agent to provide a silicone-based cured film on said powder. Preferably, the deliquescent powder is selected from the group consisting of ammonium acetate, potassium acetate and sodium acetate.

Abstract: Dental inorganic-organic composite fillers are disclosed, which do not scatter a visible light of from 360 to 830 nm in the particles thereof, has a refractive index nD by the D-line of sodium in the range of 1.460.ltoreq.nD.ltoreq.1.600, and which is represented by the following mean empirical formula:aM.sup.1 O.sub.x/2 .multidot.bSiO.sub.2 .multidot.cM.sup.2 O.sub.(4-i-j)/2 R.sup.1.sub.i R.sup.2.sub.jwhereinM.sup.1 is one or more members selected from Ti, Zr, Y, La, Ta, and Al, which is bonded to Si or M2 via the crosslinked oxygen; and x is a valence of M.sup.1 ;M.sup.2 is Si and/or Ti;R.sup.1 is a non-functional group; and R.sup.2 is an organic compound reacted with an organic functional group;i is 0, 1, or 2; and j is 1, 2, or 3, provided that i and j are satisfied with 1.ltoreq.(i+j).ltoreq.3; anda, b, and c are each a molar ratio, provided that a, b, and c are satisfied with 0.ltoreq.a/(a+b).ltoreq.0.65 and 0.02.ltoreq.c/(a+b).ltoreq.3.0.

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: Nanocomposites are manufactured by combining a host material, such as an organic solvent or a matrix polymer and exfoliated intercalates formed by contacting a phyllosilicate with a polymer to adsorb or intercalate the polymer between adjacent phyllosilicate platelets. Sufficient polymer is adsorbed between adjacent phyllosilicate platelets to expand the adjacent platelets to a spacing of at least about 5 .ANG., preferably at least about 10 .ANG. (as measured after water removal), up to about 100 .ANG. and preferably in the range of about 30-40 .ANG., so that the intercalate easily can be exfoliated, e.g., when mixed with an organic solvent or a polymer melt, to provide a carrier material for drugs and the like, or to provide a matrix polymer/platelet composite (nanocomposite) material--the platelets being exfoliated from the intercalate.

Abstract: Odors and flavors in thermoplastic films and shaped articles may be reduced or eliminated by the addition of an adsorption agent to the thermoplastic. Thermoplastics include ethylene/acid copolymers and corresponding ionomers, and ethylene/acid/acrylate terpolymers and corresponding ionomers. The adsorption agent is a crystalline siliceous molecular sieve, having a framework of tetrahedral oxide units, in which at least 90% of the tetrahedral oxide units are SiO tetrahedra, a pore diameter greater than 5.5 Angstroms and a sorption capacity for water of less than 10% by weight at 25.degree. C. and 4.6 torr.

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: A thermoplastic composition comprising: (i) a thermoplastic resin; (ii) an antiplasticizing amount of a solid plasticizer; (iii) optionally an acid scavenger; and (iv) optionally a heat stabilizer selected from the group consisting of mixed metal stabilizers, organotin stabilizers, lead stabilizers, metal free stabilizers, or any combination of the foregoing which improves the processability of the thermoplastic resin without affecting the physical properties of the thermoplastic resin.

Abstract: A flame retardant composition is provided which is less expensive to produce than prior compositions and yet which exhibits desirable insulation properties, flame and fire resistance, and which, when ignited, does not emit noxious smoke or corrosive gases. The crosslinkable flame retardant composition includes a copolymer of ethylene and a vinyl ester of a C.sub.2-6 aliphatic carboxylic acid, a hydrated inorganic filler, and a coupling agent.

Abstract: The invention relates to reinforcing compositions for thermoplastic polymers which have improved anticaking and flow properties, which include an impact additive and a synergic combination including a micronized silica and at least one calcium salt.These compositions are very particularly suitable for the reinforcement of PVC.

Abstract: Composition containing, per 100 parts by weight of propylene polymer, from 0.05 to 5 parts by weight of a crystalline aluminosilicate exhibiting a water adsorption capacity, at 25.degree. C. and at a water vapour partial pressure of 4.6 torr, of less than 10% by weight. Object manufactured from this composition.