Abstract: A process for the production of a fabric/elastomer composite is provided. The inventive process involves the impregnation of an inventive elastomer composition comprising (i) a water-borne polyurethane latex, (ii) an acid-generating chemical, and (iii) a cloud point surfactant, within a textile fabric. Subsequently, the impregnated fabric is then heated, preferably with steam, in order to generate an acid and gel the surfactant which then uniformly coagulates the latex over the fabric surface. The fabric is preferably comprised of polyester fibers. The composite may be utilized as upholstery in furniture or in automobiles, apparel, drapery, and the like. The inventive elastomer composition is also provided.

Abstract: The invention provides an aqueous polymer dispersion in which the copolymer is formed from70 to 90% by weight alkyl methacrylate provided by 0 to 30% by weight C.sub.1-3 alkyl methacrylate and 50 to 90% by weight C.sub.4-12 alkyl methacrylate;5 to 20% by weight styrene or alkyl styrene;2 to 10% by weight water soluble ethylenically unsaturated monomer;0.5 to 4% polyethylenically unsaturated monomer; and0 to 4% carbonyl containing ethylenically unsaturated monomer. The dispersion of the invention is particularly suitable for incorporation into compositions for coating on wood.

Abstract: The invention presents classes of thermoplastic, biodegradable compositions. Tests indicate that these compositions exhibit good mechanical properties, and readily degrade in the presence of microorganisms. The compositions of this invention are useful for producing injection-molded, thin-walled articles that are capable of appreciably degrading in the sewage system within thirty (30) days.

Abstract: The present invention is directed to degradable blends containing polylactide, a degradable impact modifier, and a degradable plasticizer for use in packaging films. The degradable impact modifier can be a degradable, non-toxic elastomer or a degradable, non-toxic, non-elastomeric polymer having a low glass transition temperature, such as polycaprolactone and poly(ethylene glycol). The degradable plasticizer can be any plasticizer having a relatively low molecular weight, a high degree of miscibility with polylactide, and non-toxicity. The film has excellent flexibility and impact strength for packaging applications.

Abstract: A thermoplastic resin composition which comprises (A) a thermoplastic polyester resin such as polybutylene terephthalate, (B) a rubber-modified styrenic resin such as an ABS resin, (C) an olefinic copolymer composed of (c-1) an olefinic polymer fragment and (c-2) a vinyl-series polymer fragment and (D) a branched ester obtainable from a C.sub.16-30 fatty acid and/or alcohol having at least one branched chain, and which may contain (E) an inorganic filler, (F) a flame-retardant, (G) an inorganic flame-retardant auxiliary and so on. This resin composition has improved friction/abrasion characteristics with maintaining its high mechanical characteristics, and is useful for providing a moulded article including a sliding member.

Abstract: A process for preparing polyvinylbutyral sheet having a desired uniform adhesivity comprising preparing a blend of polyvinylbutyral and a compatible quantity of a at least one plasticizer and an adhesion control agent, and extruding the blend to form a sheet, the improvement comprising monitoring the acidity of the sheet and adding water to the blend as an agent for controlling the adhesivity of said sheet.

Abstract: The present invention relates to a low VOC solvent based adhesive comprising a mixture of at least two organic solvents and a thermoplastic resin having a flash point of at least 100.degree. F. when measured in accordance with ASTM D3828-87. The low VOC solvent based adhesive of the instant invention volatilizes at substantially reduced rates as compared to conventional solvent based adhesives. Furthermore, this novel low VOC solvent based adhesive is easy to apply, cost effective, cures within a reasonable time without the use of heat, ultraviolet light or other mechanical devices. In addition, the novel low VOC solvent based adhesive can be stored in containers other than the steel tins.

Abstract: A thermoplastic molding composition comprising polycarbonate and a comples ester are disclosed. The ester which conforms to ##STR1## wherein p is an integer of 2 to 8, q is an integer of 7 to 13 and R and R' independently denote a C.sub.x H.sub.2x+1 -group, where x is an integer of 8 to 24, with the proviso that R is linear, was found to impart to the composition excellent mold filling and release properties.

Abstract: The present invention provides polycarbonate moulding compositions containing polycarbonates, stabilisers of the general formula (I)R.sub.1 --X--(CHR.sub.4).sub.n --Y--R.sub.2,where X and Y, are either ##STR1## , and Y may also be --S--, and optionally polypropylene glycols. The present invention also provides use of these moulding compositions for preparing items for medical applications.

Abstract: A stable liquid suspension composition comprising a liquid carrier, a solid fatty acid or a salt thereof, and a solid particulate is disclosed wherein said liquid carrier is selected from the group consisting of oils, olefins, terpenes, glycols, esters, ethers, alcohols, and combinations of any two or more thereof and said liquid carrier, solid fatty acid or salt thereof, and solid particulate are each present in said composition in a stabilizing amount sufficient to produce a stable liquid suspension. Also disclosed is a stable liquid composition comprising a liquid carrier, an oil-soluble polymer, and a solid particulate wherein said liquid carrier is selected from the group consisting of liquid alkenes, terpenes, esters, and combinations of any two or more thereof and said liquid carrier, oil-soluble polymer, and solid particulate are each present in said composition in a stabilizing amount sufficient to effect the formation of a stable liquid suspension.

Abstract: Disclosed are degradable materials which-include a nontoxic hydrolytically degradable polymer and nontoxic modifier, wherein the modifier is compatible with the polymer and the modifier is nonvolatile and nonfugitive. Also disclosed are processes for forming the various degradable materials, which include films, molded products, laminates, foams, powders, nonwovens, adhesives and coatings. The disclosed materials and processes are particularly useful for the production of commercial and consumer products in high volumes which are suitable for recycling after use or which are discarded into the environment in large volumes.

Abstract: The present invention relates to a low VOC solvent based adhesive comprising a mixture of at least two organic solvents and a thermoplastic resin. Desirably the adhesive has a flash point of at least 100.degree. F. when measured in accordance with ASTM D3828-87. The solvent blend of the low VOC solvent based adhesive of the instant invention volatilizes at substantially reduced rates as compared to conventional solvent blends in solvent based adhesives. Furthermore, this novel low VOC solvent based adhesive is easy to apply, cost effective, and cures within a reasonable time without the use of heat, ultraviolet light or other mechanical devices. In addition, the novel low VOC solvent based adhesive has good storage stability in metal or non-metal containers.

Abstract: The present invention relates to a low VOC solvent based adhesive comprising a mixture of at least two organic solvents and a thermoplastic resin. The low VOC solvent based adhesive of the instant invention volatilizes at substantially reduced rates as compared to conventional solvent based adhesives. Furthermore, this novel low VOC solvent based adhesive is easy to apply, cost effective, cures within a reasonable time without the use of heat, ultraviolet light or other mechanical devices.

Abstract: Distortion control additives are disclosed which comprise a polyisocyanate, a polyol or polyol blend having a hydroxyl functionality of 2 to 3 hydroxyl groups per molecule and an average molecular weight of at least about 500 grams per gram mole, a diol chain extender having from about 2 to 35 carbon atoms per molecule and an acrylate or methacrylate having an acrylate functionality of from 1 to 5 acrylate groups per molecule. Ultraviolet-curable liquid compositions comprising an unsaturated polymeric resin, a monomer and the distortion control additives of the present invention are also disclosed. The distortion control additives can provide substantial reductions in distortion, e.g., shrinkage, of objects produced by ultraviolet curing, eg., stereolithography.

Abstract: A photo-degradable, molded, high strength plastic shotshell component having a degradation composition comprising as its combination of active ingredients linear polyethylene having a melt index of 0.1 to 5.0 and an ethylene-vinyl acetate-carbon monoxide terpolymer, the ratios by weight of which to said linear polyethylene is approximately 0.115:1 to 0.261:1 The ethylene-vinyl acetate-carbon monoxide terpolymer in its preferred composition has about 65% by weight of ethylene, 25% by weight of vinyl acetate, and 10% by weight of carbon monoxide.

Abstract: High clarity optical and safety glass laminate interlayer films and optical laminates are described. The films and their laminates comprise very low density polyethylene and/or its copolymers, preferably polymerized with metallocene catalysts, and modified with additives, such as coupling agents, clarifying or nucleation agents, UV-light absorbers, pigment or color concentrate, and IR-light blockers.

Abstract: There is disclosed a polyacetal resin composition that has excellent slidability and abrasion resistance and makes it possible to propose molded parts free of problems such as abrasion and noises such as squeaking caused by abrasion even when used under high load and high sliding speed conditions even when the material of the partner sliding parts is any type of plastic or metal. The resin includes from 0.5 to 15 parts by weight of olefinic elastomer, from 0.1 to 5.0 parts by weight of fatty acid ester having at least 12 carbon atoms, and, if necessary, from 0.05 to 5.0 parts by weight of polytetrafluoroethylene micropowder per 100 parts by weight of polyacetal resin.

Abstract: A plasticized polyvinyl chloride (PVC) resin composition and method of plasticizing and decreasing the hydrophobicity of said PVC resin for adherence of aqueous coating compositions, such as water-based inks, by incorporating into the PVC resin a polymeric plasticizer for PVC, a monomeric diacid plasticizer, comprising primarily a C.sub.5, C.sub.4 or C.sub.3 diacid plasticizer, or mixtures, in a ratio of polymeric/monomeric plasticizers of 5/95 to 95/5, preferably 90/10 to 60/40, and at least about 0.1%, based on the weight of the PVC resin, of a metal salt additive, wherein the metal salt is an oxide or a hydroxide and has an oxidation state of plus two, three or four, preferably calcium oxide and/or calcium hydroxide. The monomeric/polymeric plasticizer combination together with the metal salt additive(s) unexpectedly decreases the hydrophobicity of the PVC surface for strong adherence of water-based inks and coatings thereto.

Abstract: Disclosed are products made of degradable materials which include a hydrolytically degradable polymer. The degradable materials can be internally or externally modified. The internally modified polymer composition has polymers modified by the use of comonomers having a relatively high molecular weight. The externally modified polymer composition includes a modifier, wherein the modifier is compatible with the polymer and the modifier is nontoxic, nonvolatile and nonfugitive. The various degradable materials include films, fibers, extruded and molded products, laminates, foams, powders, nonwovens, adhesives and coatings. The disclosed materials are particularly useful for the production of a variety of products in high volumes which are suitable for recycling after use or which are discarded into the environment in large volumes.

Abstract: The present invention is directed to degradable blends containing polylactide, a degradable impact modifier, and a degradable plasticizer for use in packaging films. The degradable impact modifier can be a degradable, non-toxic elastomer or a degradable, non-toxic, non-elastomeric polymer having a low glass transition temperature, such as polycaprolactone and poly(ethylene glycol). The degradable plasticizer can be any plasticizer having a relatively low molecular weight, a high degree of miscibility with polylactide, and non-toxicity. The film has excellent flexibility and impact strength for packaging applications.

Abstract: The density of rigid foamed articles made by the thermal decomposition of a blowing agent in a vinyl chloride polymer is reduced by the use of an organotin mercaptoalkylcarboxylate, alone, or in combination with an organotin halide or carboxylate which activate the blowing agent. Sulfides made from said organotin mercaptoalkylcarboxylate are also superior activators of the blowing agent.

Abstract: Absorbable coating and absorbable blend of polycaprolactone and crystallization modifier especially suitable for use in the coating of surgical sutures and in the controlled release of chemical or pharmaceutical agents.

Abstract: A process for the preparation of a stable water-in-oil emulsion of a hydrolyzed polymer of an N-vinyl amide of the formula ##STR1## in which R and R.sup.1 denote H or C.sub.1 -C.sub.6 alkyl, by the polymerization of a compound of the formula I alone or in admixture with another ethylenically unsaturated monomer in the presence of a polymerization initiator and emulsifier in the form of a water-in-oil emulsion, to form a water-in-oil polymeric emulsion, followed by hydrolysis of the polymer in the form of the water-in-oil polymeric emulsion in the presence of an acid or base and from 1 to 30 wt %, based on the polymer, of an emulsifier, the emulsifier used being a mixture of(a) from 5 to 95 wt % of a block or graft copolymer of the structure (A-B)m, (A)-B or (B)-A, in which in each case(a) from 5 to 95 wt % of a block or graft copolymer of the structure (A-B).sub.m, (A).sub.n B or (B).sub.

Abstract: A sheet for laminated safety glass comprising polyvinyl butyral resin containing a multivalent metal-substituted aromatic chelate compound in an amount effective to control adhesion of the sheet to glass.

Abstract: The polylactic acid-based resin composition includes (a) (i) 100 parts by weight of a poly-L-lactic acid; or (ii) 100 parts by weight of a poly-DL-lactic acid comprising L-lactic acid and D-lactic acid as its constituting units; and (b) 5 to 120 parts by weight of at least one of low-molecular lactic acid derivatives. The molded product is produced by the steps of 1) melt-kneading (a) one of the above components (i) or (ii) and the component (b); and 2) subjecting the melt-kneaded product obtained in step 1) to an injection molding, to give a desired molded product.

Abstract: An extrudable vinylidene chloride composition is useful in packaging films where controlled CO.sub.2 and O.sub.2 transmission rates benefit the packaging of products such as gassing cheese. The composition, and film made therefrom, comprises 100 parts by weight of at least one vinylidene chloride copolymer; between 4 and 15 parts by weight of a plasticizer; and between 4 and 15 parts by weight of an acrylate/styrene copolymer; wherein the total amount of plasticizer and acrylate/styrene copolymer comprises at least 9 parts by weight.

Abstract: Polyurethane/urea elastomers having an isocyanate equivalent index below 100, preferably from about 15 to about 80; containing an effective amount of polyisocyanate component, and an effective amount of an isocyanate reactive component comprising at least one polyamine and at least one polyol, wherein said elastomer contains from about 1 to about 199 equivalent percent amine per isocyanate equivalent.

Abstract: The present invention relates to pulverulent water-swellable hydrophilic (co)polymers which comprise, for reducing dusting, auxiliaries from the series consisting of silicones and/or other auxiliaries, the latter in a total amount of less than 1% by weight, for example polyglycols or polyglycol ethers, the vapor pressure of the individual auxiliaries being not more than 0.1 mbar at 20.degree. C. and their melting point being not more than 100.degree. C., processes for their preparation and their use for absorption of water and aqueous solutions.

Abstract: The invention relates to a ceramic color paste, in particular a color paste containing alkyd resins, for the production of decorations on surfaces of glass, porcelain or ceramic, and a printing medium for the preparation of the color paste.Known generic color pastes and printing media for producing the same generally have an intense odor and tend to form a skin if an alkyd resin is present.The invention overcomes these disadvantages by the solvent system of the printing medium of the color paste containing substantially at least 50 to 100% by weight, preferably above 70% by weight, of one or more isoparaffins and from 0 to 50% by weight, preferably from 0 to 30% by weight, of one or more solvating plasticisers. Skin formation is prevented by the presence of an aldoxime or ketoxime containing 3 to 6 carbon atoms or an anti-oxidant for polymer systems.

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: A self-lubricating polymeric composition, characterized as a melt blend of a thermoplastic polymer and a lubricating system containing ultra high molecular weight polyethylenes, a polyester, acid metal salts, calcium salts, antioxidants and stabilizers. The composition may be prepared into shaped articles which exhibit improved surface wear resistance and coefficients of friction.

Abstract: A continuous process for manufacturing a coated fiber reinforced pultruded article and the coating composition for use in this process. The coating composition includes an isocyanate resin, at least one active hydrogen-containing resin and at least one solvent having an evaporation rate equal to or less than about 0.5. The process and coating composition of the present invention produce fiber reinforced plastic articles having smooth, adherent surface coatings.

Abstract: This invention describes an improved lubricating system for polyvinylchloride and other plastic. In particular the present invention describes compositions having excellent metal release properties for the plastics industry.

Abstract: The rate of absorption of polycaprolactone in absorbable coating and blends is increased by blending with a crystallization modifier. The absorbable blend is suitable for use in the coating of surgical sutures and in the controlled release of chemical or pharmaceutical agents.

Abstract: A colorant composition consisting essentially of one or more colorants finely dispersed in an amorphous poly-.alpha.-olefin which is composed of at least two different monomers having a butene-1 content of at least 25% by weight and melts at between 70.degree. and 150.degree. C., and a free-flow agent provides the way to dust-free colorant compositions for masterbatch production, the production of compounds and the direct coloration of plastomers and elastomers.

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: An extrudable vinylidene chloride composition is useful in packaging films where controlled CO.sub.2 and O.sub.2 transmission rates benefit the packaging of products such as gassing cheese. The compositon, and film made therefrom, comprises 100 parts by weight of at least one vinylidene chloride copolymer; between 4 and 15 parts by weight of a plasticizer; and between 4 and 15 parts by weight of an acrylate/styrene copolymer; wherein the total amount of plasticizer and acrylate/styrene copolymer comprises at least 9 parts by weight.

Abstract: A concentrated slurry comprises a high molecular weight polymer, a carrier, wetting agent, and dispersant. The slurry is characterized by its ability to reduce turbulent flow and skin friction thereby reducing drag of a vessel when the slurry is mixed with water and dispersed in a thin sheet along the surface of a vessel.

Abstract: The invention relates to a water and oil repellency imparting composition which comprises:(a) a fluoroaliphatic radical-containing agent; and(b) a polymer comprising cyclic carboxylic anhydride groups.Additionally, the composition may comprise:(c) a softener and/or a plasticizer. The composition provides water and oil repellent properties to fibrous and other substrates treated therewith and it shows high compatibility with the commonly used softeners.

Abstract: Acetylenic maleates, fumarates and related derivative compounds are new compositions of matter having the formula:R.sub.1 O.sub.2 C--CH.dbd.CH--CO.sub.2 R.sub.2wherein R.sub.1 may be an organic moiety containing at least two carbon atoms triply bonded one to the other as:--C.tbd.C--and R.sub.2 may be hydrogen, an organic moiety, or R.sub.1 ; suitable for use as liquid injection molding inhibitors either singly or in combination with themselves or other liquid injection molding inhibitors when used for the process of liquid injection molding curable compositions enabling an increase in the size of articles manufactured therefrom, which new compositions of matter cure into the polymerizable or curable resins thereby creating new compositions of matter as cured resins from which said articles of manufacture are produced.

Abstract: Disclosed are degradable materials which include a nontoxic hydrolytically degradable polymer and nontoxic modifier, wherein the modifier is compatible with the polymer and the modifier is nonvolatile and nonfugitive. Also disclosed are processes for forming the various degradable materials, which include films, molded products, laminates, foams, powders, nonwovens, adhesives and coatings. The disclosed materials and processes are particularly useful for the production of commercial and consumer products in high volumes which are suitable for recycling after use or which are discarded into the environment in large volumes.

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 process for reducing the pH of anionic polyurethane dispersions which are stabilized by carboxylate or sulfonate groups, which comprises adding a compound which has from one to four ester groups but no acid group or acid halide or anhydride group to the dispersions.

Abstract: Disclosed are products made of degradable materials which include a hydrolytically degradable polymer. The degradable materials can be internally or externally modified. The internally modified polymer composition has polymers modified by the use of comonomers having a relatively high molecular weight. The externally modified polymer composition includes a modifier, wherein the modifier is compatible with the polymer and the modifier is nontoxic, nonvolatile and nonfugitive. The various degradable materials include films, fibers, extruded and molded products, laminates, foams, powders, nonwovens, adhesives and coatings. The disclosed materials are particularly useful for the production of a variety of products in high volumes which are suitable for recycling after use or which are discarded into the environment in large volumes.

Abstract: A woodworking adhesive composition prepared by a two stage emulsion polymerization procedure wherein the first stage comprises the step of emulsion polymerizing vinyl acetate with 0.1 to 6% by weight of a post-crosslinking monomer in the presence of polyvinyl alcohol to produce a polyvinyl alcohol stabilized copolymer having a Tg within the range of +10.degree. to +40.degree. C. and containing no pre-crosslinking monomers and the second stage comprises the step of emulsion polymerizing methyl methacrylate to produce a methyl methacrylate homo- or copolymer containing at least 75% by weight methyl methacrylate and having a Tg within the range of +50.degree. to +120.degree. C., further characterized in that the ratio of the polymer produced in the first stage to the polymer produced in the second stage is within the range of 10:1 to 10:6 and wherein the first stage polymer and second stage monomer mixture are not equilibrated prior to the second stage polymerization.

Abstract: A propylene resin composition containing a propylene-ethylene block copolymer containing (a) a crystalline polypropylene moiety (constituent A) and an ethylene-propylene random copolymer moiety (constituent B), (b) a styrene-ethylene-butylene-styrene block copolymer which contains 10% to 25% of bound styrene, and (c) at least one filler selected from talc and inorganic whiskers and wherein the surface of the filler is treated with one of the organic compounds (I), (II) and (III) having the formulas, ##STR1## in which the various substituents and R groups are as defined in the specification and claims. The composition of the present invention has excellent mechanical strength, moldability and is capable of producing molded products having an excellent appearance.

Abstract: A sealant or mastic composition comprises a dispersion of a finely divided particulate solid in a silicone resin formulation which contains a dispersant containing at least one group of the formula--(O--A--CO).sub.n --.The dispersant may be derived from a hydroxycarboxylic acid and preferably has a --COOH end group. The dispersant modifies the shear properties of the sealant.

Abstract: Liquid-crystal polyesters have been found to present special concerns when molded. The composition of the present invention has been found to provide unexpectedly superior processability results for such class of polymers. The improved liquid-crystal polyester resin composition comprises:(a) 100 parts by weight of a liquid-crystal polyester resin, and(b) 0.01 to 5 parts by weight of a fatty acid ester represented by the general formula: ##STR1## wherein at least one of X.sup.1, X.sup.2, X.sup.3 and X.sup.4 is a ##STR2## group and the others are each --H, --OH, or an alkyl or aryl group, and R is an alkyl or alkenyl group having 2 to 30 carbon atoms. It surprisingly has been found through empirical research that good mold release is made possible in the liquid-crystal polyester resin composition of the present invention coupled with a good retention of mechanical properties (i.e., flexural strength and flexural modulus) in the resulting article.

Abstract: Poly(hydroxystyrene) resins in which a portion of the hydroxyl groups are functionalized with t-butyloxycarbonyl groups ("t-Boc") tend to decompose during drying of the wet solid and on storage in the solid state. Solutions that are more stable than the solid material can be made from the wet freshly synthesized solid by dissolving the wet solid in a solvent that forms an azeotrope with water and then distilling the azeotrope of water and solvent from the solution until the solution contains less than about 1% by weight of water.

Abstract: Absorbable coating and absorbable blend of polycaprolactone and crystallization modifier especially suitable for use in the coating of surgical sutures and in the controlled release of chemical or pharmaceutical agents.