Abstract: Molding compositions including low molecular weight polyhydroxyalkanoates are provided. The use of the low molecular weight polyhydroxyalkanoates as a binder in molding compositions provides improved binder removal in the finished molded product, and offers a wide range of physical properties suitable for use in a variety of processing conditions. The composition preferably includes a powdered material, such as a metal powder, ceramic powder, or blend, admixed with a low molecular weight polyhydroxyalkanoate binder. The compositions are useful in powder processing techniques, such as injection molding, slip casting, tape casting, or extrusion. Methods of forming low molecular weight polyhydroxyalkanoates are also described.

Abstract: The present invention involves the use of powder coating methods to form coated abrasives. In one embodiment, the powder is in the form of a multiplicity of binder precursor particles comprising a radiation curable component. In other embodiments, the powder comprises at least one metal salt of a fatty acid and optionally an organic component that may be a thermoplastic macromolecule, a radiation curable component, and/or a thermally curable macromolecule. In either embodiment, the powder exists as a solid under the desired dry coating conditions, but is easily melted at relatively low temperatures and then solidified also at reasonably low processing temperatures. The principles of the present invention can be applied to form make coats, size coats, and/or supersize coats, as desired.

Abstract: There is provided a superior decreasing method of an N-oxyl compound contained in an easily polymerizable material, according to which the N-oxyl compound contained in an easily polymerizable material can be sufficiently decreased and loss of the easily polymerizable material is little. The easily polymerizable material containing an N-oxyl compound and an acid are contacted with each other. In addition, not only the N-oxyl compound but also an organic titanium group compound contained in the easily polymerizable material can be sufficiently decreased.

Abstract: The present invention provides a rubber-based product usable as a tire cover which is composed of a buffer zone and a zone sensitive to oxidation (sensitive zone), the buffer zone being capable of trapping oxygen external to the product so as to protect from oxidation at least one sensitive zone of the product. The buffer zone contains a basic composition composed of at least one elastomer containing at least one salt of iron (III) provided to activate oxidation in the composition. Preferably, the salt is an iron (III) salt of a carboxylic acid having the general formula CnH2nO2 in which n is from 2 to 5. This product is produced by mechanically incorporating the iron (III) salt into the elastomer or elastomers contained in the composition for the buffer zone. The invention is advantageously applied in a tire cover, and imparts improved rolling resistance.

Abstract: The present invention relates to rheology modification agents for use in hydrophobic based fluids, wherein the agents comprise a hydrophobic layered hydroxide material.

Abstract: An organometallic coating composition having an organometallic compound, a fully fluorinated co-solubilizer, and a fluorinated solvent, and the organometallic compound is miscible in the coating composition, and the co-solubilizer is present in the coating composition.

Abstract: Disclosed is a method for preparing saturated polyester used in various molded products, such as films, synthetic fibers, vessels and housings. In particular, the method improves mechanical properties, including tensile strength or impact resistance, of saturated polyester. In DMT method or TPA method, the saturated polyester is synthesized through transesterification or esterification and polycondensation, in which metal compounds, such as metal acetate compounds, metal hydroxides, and metal oxides, are added in the larger amounts upon synthesis, and thus crystalline internal grains are formed, thereby improving the mechanical properties. As such, the metal compound can be used alone or in combination with a phosphorous-based compound.

Abstract: An electronic circuit device comprising at least one substrate having a photoimageable covercoat, comprising at least 95 weight percent of at least one epoxy-modified aromatic vinyl-conjugated diene block copolymer and a catalyst comprising an onium salt selected from a triarylsulfonium salt and a diaryliodonium salt, wherein the covercoat is formed by solvent coating or extrusion and then heat laminated onto at least a portion of the substrate.

Abstract: The invention concerns a compound containing calcium or magnesium acetylacetonate, at least partially coated with a compatible agent selected among alcohol's, carboxylic or sulphonic acids, or their derivatives, phosphates or titanates, &bgr;-ketone compounds; said agents having at least a long chain radical; waxes; polyols; epoxidized vegetable oils; polysiloxane oils or resins or silanes. The invention also concerns the preparation of such a compound and the use of said compound as additive in formulations based on halogenated polymers.

Abstract: An environmentally friendly additive for plastics that can be added to any polyolefin plastic article, such as disposable articles like plastic bags, so as to decrease the amount of hydrochloric acid gas evolved by a waste disposal incinerator that burns the spent article along with chlorinated waste.

Abstract: The present invention relates to siloxy compounds of the formulae wherein R1, R2 and R3 are independently selected from the group consisting of alkoxy radicals having from 1 to 8 carbon atoms; R4 is selected from the group consisting of alkylene groups having from 1 to 15 carbon atoms and arylene and alkyl substituted arylene groups having from 6 to 10 carbon atoms; R5 is selected from the group consisting of alkyl groups having from 1 to 15 carbon atoms, aryl and alkyl substituted aryl groups having 6 to 10 carbon atoms; x is 3 when M is Al and x is 4 when M is selected from the group consisting of C, Ti, Si and Zr.

Abstract: The invention relates to a polyamide composition for the production of electrical and electronic components that are suitable for the conditions of the surface mounting technology. In particular, the composition exhibits a high resistance to blistering during the reflow soldering process. The composition according to the invention comprises (a) a polyamide having a melting point higher than 280° C., (b) a polymer having a melting point lower than 230° C., (c) a halogen-containing compound, (d) optionally a synergist for the flame-retardant properties (e) reinforcing material (f) optionally other additives. A particularly good resistance to blistering is achieved if (f) contains at least a compound with acid imide groups.

Abstract: Solvent weld cement (SWC) is used to fuse polymer pipes together. SWC is conventionally dispensed in liquid form from an open container by a swab or brush, resulting in release of fumes, oxidation and contamination of the SWC, as well as environmental contamination due to spilled SWC. A SWC is provided which remains stable while being stored in and dispensed from an aerosol container. The SWC composition comprises a polymer resin, CPVC, a solvent system including tetrahydrofuran, and at least one conventional propellant to allow the SWC to be dispensed from an aerosol container. The resulting SWC remains stable during storage, and when dispensed from the aerosol can provides a SWC with improved uniformity of application, ease of application, greater set-up time, and a SWC which is environmentally friendly.

Abstract: An electronic circuit device comprises a resin composition including 90 to 100 weight percent of a curable epoxy-modified aromatic vinyl-conjugated diene block copolymer, optionally up to 10 weight percent of an epoxy resin, and an effective amount of an epoxy curative, the weight percent of the copolymer and epoxy resin being based on the weight of the epoxy bearing material exclusive of curative. The resin composition can be used as an electronic adhesive, covercoat, or encapsulant. The electronic circuit device exhibits superior heat and moisture insensitivity, including the absence of voiding and delamination of the cured resin compostion from its substrate under conditions of 85° C. and 85% relative humidity for 168 hours followed by a temperature of 220° C. for 10 to 40 seconds.

Abstract: The present invention relates to siloxy compounds of the formula 1

Abstract: An improved capacitor roll with alternating film and foil layers is impregnated with an adhesive, elastomeric gel composition. The gel composition is a blend of a plasticizer, a polyol, a maleic anhydride that reacts with the polyol to form a polyester, and a catalyst for the reaction. The impregnant composition is introduced to the film and foil layers while still in a liquid form and then pressure is applied to aid with impregnation. The impregnant composition is cured to form the adhesive, elastomeric gel. Pressure is maintained during curing.

Abstract: Laminate structures, for example for use in circuit boards, comprise a metal foil and at least one cured composition layer disposed on at least one surface of the metal foil, wherein the cured composition layer comprises (a) at least one compound selected from the group consisting of cyanate esters and cyanate ester prepolymers, (b) a flame retardant which is substantially toluene soluble and substantially free of hydroxy residues in the cured state, and (c) a curing catalyst.

Abstract: Disclosed are non-halogen, flame-retardant polycarbonate resin compositions capable of being stably molded even under heat, and their moldings having good flame retardant, high impact strength, good thermal aging resistance and good moisture resistance. The compositions comprise, as the essential components, (A) a polycarbonate resin, (B) a styrenic resin, and (C) a phosphate ester compound.

Abstract: The present invention relates to siloxy compounds of the formulae wherein R1, R2 and R3 are independently selected from the group consisting of alkoxy radical having from 1 to 8 carbon atoms; R4 selected from the group consisting of alkylene groups having, 1 to 15 carbon atoms and arylene and alkyl substituted arylene groups having from 6 to 10 carbon atoms; R5 is selected from the group consisting of alkyl groups having from 1 to 15 carbon atoms, aryl and alkyl substituted aryl groups having 6 to 10 carbon atoms; x is 3 when M is Al and x is 4 when M is selected from the group consisting of C, Ti, Si and Zr.

Abstract: A polymerizable composition suitable for storage prior to polymerization is made by mixing a phthalonitrile monomer and a curing agent under non-reactive conditions below the melting temperatures of the phthalonitrile monomer and the curing agent and in the absence of a solvent to create a homogeneous, unreacted mixture.

Abstract: An electronic circuit device comprises a resin composition including 90 to 100 weight percent of a curable epoxy-modified aromatic vinyl-conjugated diene block copolymer, optionally up to 10 weight percent of an epoxy resin, and an effective amount of an epoxy curative, the weight percent of the copolymer and epoxy resin being based on the weight of the epoxy bearing material exclusive of curative. The resin composition can be used as an electronic adhesive, covercoat, or encapsulant. The electronic circuit device exhibits superior heat and moisture insensitivity, including the absence of voiding and delamination of the cured resin compostion from its substrate under conditions of 85° C. and 85% relative humidity for 168 hours followed by a temperature of 220° C. for 10 to 40 seconds.

Abstract: A thermoplastic resin composition containing a polyetherimide resin, a glycidyl ester impact modifier and a organometallic compound exhibits improved impact strength and ductility.

Abstract: A process for the production of cationic layer compounds wherein layer compounds corresponding to general formula (I):--[E.sub.e Z.sub.z D.sub.d V.sub.v (OH.sup.-).sub.x ](A.sup.n-).sub.a.qH.sub.2 O-- (I)in whichE is a monovalent cation from the group consisting of alkali metals,e is a number of 0 to 2,Z is a divalent metal cation,z is a number of 0 to 6,D is a trivalent metal cation,d is a number of 0 to 3,V is a tetravalent metal cation,v is a number of 0 to 1,(A.sup.n-) is an acid anion having the charge n- where n is an integer of 1 to 3,q is a number of 1 to 10,with the proviso that x>a and e+2z+3d+4v=x+na, are subjected to alkali-induced ripening in aqueous medium wherein the alkali metal hydroxide content of said aqueous medium is adjusted to a value in the 1- to 6-molar range, the crystallization temperature is adjusted to a value in the range from 60.degree. C. to 100.degree. C., and the crystallization time is adjusted to a value in the range from 2.5 to 50 hours.

Abstract: Curable compositions used in circuit boards, structural composite, encapsulating resins, and the like, comprise at least one of a cyanate ester and a cyanate ester prepolymer, a cyanate ester-free aryloxytriazine, and a curing catalyst.

Abstract: A composition for the detackification and clarification of acid and alkaline paint and lacquer waste waters and paint spray booth wastes, comprising:an inorganic-organic and/or organic adduct alloy polymer composition having the formula:A.multidot.B.sup.+ .multidot.D.sup.+wherein: A=[(SiO.sub.2 /Me.sup.I.sub.2 O).sub.u Me.sup.II.sub.m Me.sub.m.sup.III(OH).sbsp.p.sup.(SO.sbsp.4.sup.).sbsp.y.sup.(Aci) (2m+3n)-p-2y].sub.rwhere r=1 to 98% bw; u=0 to 10% bw; ##STR1## where: x=0 to 98% bw; Z is a divalent substituted or unsubstituted aliphatic, cycloaliphatic, heterocyclic or aromatic radicalD.sup.+ =(PQAM).sub.wwherew=2 to 98% b.w. of polyquaternized polymer (PQAM)Me.sub.m.sup.II is selected from the divalent cationic group comprising: Mg, Zn, Ca, and Fe.sup.2+m=0 to 5Me.sub.n.sup.III is a tri-or more valent metal selected from the group comprising: Fe, Al, and Al--Zn complexes;n=1 to 20Aci is selected from the monovalent anionic group comprising Cl.sup.-, Br.sup.-, I.sup.-, NO.sub.3 --, H.sub.2 PO.sub.4 --, CH.

Abstract: A thermoplastic molding composition comprises, in each case based on the total of A to E,at least 3% by weight, but not more than 30% by weight, of a polyphenylene ether A,at least 10% by weight, but not more than 65% by weight, of an impact-modified styrene polymer B,at least 30% by weight of a (standard) styrene polymer C which is not impact-modified,from 0.05 to 5% by weight of a free-radical generator D,from 1 to 20% by weight of a phosphorus-containing flame retardant E, in particular an organophosphorus compound, such as triphenyl phosphate or triphenyl phosphine oxide.

Abstract: An adhesion promoter composition containing a Zn, K, Al, Ti or Zr metal salt of an organic acid and at least one of a hydrous inorganic salt and an organic molybdenum compound. The adhesion promoter composition may be used to form an adherent rubber composition. The use of the adhesion promoter composition results in an adherent rubber composition which is stable and has a high adhesive force.

Abstract: The novel acrylic ester, allyl ether and allyl carbonate of the present invention are characterized by having the structures represented by the following general formulae (I) to (IV): The above acrylic ester, allyl ether and allyl carbonate are used as a starting monomer which forms a polymer matrix for use in a polymeric solid electrolyte. The novel polymer of the present invention comprises structural units derived from at least one compound selected from a group of the compounds represented by the above general formulae (I) to (IV). The polymeric solid electrolyte comprising the above novel polymer as a polymer matrix exhibits high ionic conductivity and is chemically stable.

Abstract: Polymeric compositions having a high dielectric constant are made from a thermotropic liquid crystalline and a ceramic having a dielectric constant which is greater than about 50 at a frequency of 1.0 GHz. The compositions have a dielectric constant of at least about 4, and preferably at least about 6. Preferred compositions also have a low loss tangent.

Abstract: An embrittlement-resistant polyolefin composition, including: (a) at least 80% by weight, based on the total weight of the polyolefin composition, of a crystalline polymer comprising either a propylene homopolymer having an isotactic index greater than 90 or a random copolymer of propylene and either ethylene or C.sub.4 -C.sub.10 1-olefins, (b) an elastomeric copolymer of ethylene and either propylene or butene-1, where the elastomeric copolymer is present in an amount sufficient to enhance the flexibility of the polyolefin composition, without adversely affecting the clarity of the polyolefin composition, and where the polyolefin composition has a heat distortion temperature of at least 60.degree. C. Optional components include a stabilizing amount of a hindered amine light stabilizer, an acid neutralizing agent, and a sorbitol-based compound. The composition may be used to manufacture medical articles and food packaging material which must be sterilized, either by irradiation or by autoclaving.

Abstract: Alkali and alkali earth metal titanates used for friction stabilization of friction materials such as, but not limited to, disk brake pads, brake drum linings, clutch disks, and other friction applications are described. Examples of suitable alkali and alkali earth metal titanates include, without limitation, potassium titanate, sodium titanate, and calcium titanate. Preferably, the alkali or alkali earth metal titanates are present in an amount from about 3 volume percent to about 25 volume percent based on the total volume of the friction material matrix.

Abstract: This invention provides: (1) a hinder composition for friction materials, characterized in that it comprises a thermosetting resin and a specific organic silicon compound having phenyl groups, and (2) a friction material having as a binder composition shown in the above item (1). When used for manufacturing friction materials in the brakes and clutches for various kinds of vehicles such as automobiles, it can remarkably improve the facing and abrasion resistances of the friction material.

Abstract: Water-soluble or water-dispersible and curable polyester resins are suitable as binders in various applications. The resins are reaction products of polyterephthalate, sulfoisophthalates, polyols, polyacids, end acids and crosslinker agents. Waste terephthalates can be utilized. The preferred polyol is pentaerythritol. The resins can also be used as dye levelling agents when dyeing synthetic fibers.

Abstract: An energy-polymerizable composition derived from ingredients comprising: a cyanate ester monomer or oligomer comprising an organic radical bonded through aromatic carbon atoms to at least two --OCN groups; a low molecular weight polyalkylene glycol; and an organometallic compound in which at least one carbon atom of an organic group is bonded to a metal atom. The composition can be cured by at least one of thermal energy, radiation, and accelerated particles, to produce a cured, homogeneous composition.

Abstract: A modified acrylic urethane prepolymer composition and an unsaturated polyester resin composition to which the prepolymer has been added. The prepolymer composition includes an acrylic urethane prepolymer prepared by the reaction of diisocyanate, like MDI, with an hydroxyl-containing acrylate monomer, such as a pentaerythritol triacrylate, which prepolymer composition may contain a styrene monomer and an inhibitor, such as benzoquinone, to retard the reaction of the prepolymer and styrene monomer prior to the addition of the prepolymer composition into the polyester resin composition. The employment of the modified urethane prepolymer composition provides for the reduction in the amount of styrene monomer used in the unsaturated resin composition and also provides for improved chemical and physical properties of the cured, unsaturated resin composition, such as a reduction in glass roll-out when the resin composition is employed with fiberglass.

Abstract: A thermoplastic resin composition having improved hydrolytic stability having in admixture a saturated polyester resin such as polybutylene terephthalate, an epoxy novolac, a glass fiber reinforcing filler and a catalyst such as sodium stearate.

Abstract: The invention relates to anti-fouling self-polishable paints intended to be pplied on an object at least partially submersed, notably on surface ships or submarine hulls, and containing standard constituents of the paints such as organic solvents, coloring pigment, wetting agents, dispersing agents or neutralizing agents.These paints are characterized in that they comprise:mass 5 to 60% of at least two polymers or copolymers (I) of the alkyl polyacrylates or alkyl polymethacrylate family comprising carboxylic functions, having molecular weights ranging from 15,000 to 100,000 g.mol.sup.-1, each polymer having a very different acid index,mass 0.1 to 50% of at least one polyaminated compound (II) reacting to polymers (I),mass 0.1 to 60% of at least one organometallic compound derived from zinc, iron, manganese or cobalt, with a biocide character (III).mass 0 to 30% of powdered hydrophobe polymers (IV).

Abstract: This invention relates to flame retardants for polyester and polyamide compositions, and specifically relates to compositions containing (1) about 30 to about 70 weight percent of a polyester or a synthetic, aliphatic polyamide or a mixture thereof; (2) about 15 to about 40 weight percent of glass or mineral reinforcing agent; and (3) a flame retardant of (a) about 20 to about 30 weight percent of melamine phosphate and up to about 10 weight percent of a charring catalyst; (b) about 15 to about 30 weight percent of melamine phosphate, up to about 10 weight percent of a charring catalyst and up to about 10 weight percent of a char former; (c) about 5 to about 45 weight percent of melamine pyrophosphate; (d) about 15 to about 30 weight percent of melamine pyrophosphate and up to about 10 weight percent of a charring catalyst; (e) about 15 to about 30 weight percent of melamine pyrophosphate, up to about 10 weight percent of a charring catalyst and up to about 10 weight percent of a char former, or (f) about 20

Abstract: A process is disclosed for increasing the molecular weight of polyesters, polyester copolymers or polyester blends, which comprises heating a polyester blended with a tetracarboxylic acid dianhydride and a sterically hindered hydroxyphenylalkylphosphonic acid ester or half-ester to above the melting point (glass transition temperature) of the polyester.

Abstract: A polymer blend comprising (a) a modified block copolymer comprising (i) a polystyrene block and (ii) a polydiene block or a hydrogenated polydiene block, said polydiene block or hydrogenated polydiene block being modified to contain an average of one or more carboxyl groups; and (b) a polymer comprising a polymerization reaction product of two or more mono-ethylenically unsaturated monomers in which (i) at least one of the monomers is an acrylic or methacrylic acid ester of a non-tertiary alcohol having 1 to 14 carbon atoms, inclusive and (ii) at least one of the monomers has carboxylic acid functionality and is present in an amount ranging from about 1 to about 15 parts by weight, based on 100 parts by weight of polymer (b), and a method of priming a substrate comprising applying the blend to the substrate.

Abstract: This invention relates to flame retardants for polyester and polyamide compositions, and specifically relates to compositions containing (1) about 30 to about 70 weight percent of a polyester or a synthetic, aliphatic polyamide; (2) about 15 to about 40 weight percent of glass or mineral reinforcing agent; and (3) a flame retardant of (a) about 20 to about 30 weight percent of melamine phosphate and up to about 10 weight percent of a charring catalyst; (b) about 15 to about 30 weight percent of melamine phosphate, up to about 10 weight percent of a charring catalyst and up to about 10 weight percent of a char former; (c) about 25 to about 30 weight percent of melamine pyrophosphate; (d) about 15 to about 30 weight percent of melamine pyrophosphate and up to about 10 weight percent of a charring catalyst; or (e) about 15 to about 30 weight percent of melamine pyrophosphate, up to about 10 weight percent of a charring catalyst and up to about 10 weight percent of a char former, wherein all percents by weight ar

Abstract: Concentrates produced by melt processing a branching agent and a polyester carrier are disclosed. The concentrates are useful in melt processing polyesters. The concentrates contain sufficiently high concentrations of a branching agent to minimize the formation of crosslinked compounds in the concentrates. Process for using the concentrate also are disclosed.

Abstract: This invention relates to a blend comprising: (A) an aliphatic or cycloaliphatic polyester or copolyester and (B) an acrylic polymer or copolymer.

Abstract: A functional film-forming paste composition is disclosed, comprising (a) at least one metal-containing organic compound and at least one of (b) an acrylic resin, (c) an unsaturated fatty acid, and (d) an organic acid ester or phosphoric ester, the components (a) to (d) being dissolved in an organic solvent. The paste composition can be calcined at a low temperature, undergoes no change with time, can be printed by any printing method, exhibits good adhesion to a substrate, and gives a film free from unevenness in thickness and from defects such as cracks and pinholes.

Abstract: A biodegradable plastic material based on cellulose esters and possibly biodegradable carboxylic acid esters, glycol esters or glycol ethers as softener, composed of from about 50 to about 90 weight percent cellulose ester, from about 5 to about 40 weight percent softener, from about 5 to about 30 weight percent polyester and from about 0.5 to about 5 weight percent AQ-nylon. The biodegradable plastic material may also contain organic acids and/or acid esters and/or ethers different from the softener, and other additives, such as flame inhibitors, and is distinguished by excellent biodegradability, injection molding and blow molding characteristics. Also disclosed are articles made of the material of the invention and methods of making such articles. It is preferably molded into thin sheets and transparent plastic articles, preferably into enclosures/containers for oil lamps, eternal flame oil candles, composition lights, other cemetery light designs, votive lights and thin sheets.

Abstract: The present invention provides a water-curable resin composition for use in the preparation of composite materials. The resin composition is composed of a water-reactive liquid organometallic compound having a viscosity of no greater than about 500,000 centipoise under ambient conditions; and a nonreactive organic thermoplastic polymer, having a number average molecular weight of at least about 1,000, mixed with the water-reactive liquid organometallic compound. Preferably, the water-reactive liquid organometallic compound is a compound of the formula (R.sup.1 O).sub.x MR.sup.2.sub.(y-x) wherein: each R.sup.1 is independently a substituted or unsubstituted C.sub.1 -C.sub.100 hydrocarbon group, optionally interrupted in the backbone by 1--10 nonperoxide--O--, --S--, --C(O)--, or --N-- groups; each R.sup.2 is independently selected from the group consisting of hydrogen and a substituted or unsubstituted C.sub.1 -C.sub.

Abstract: According to the present invention there is provided a polyester composition comprising an aromatic polyester having copolymerized therein a compound containing at least one sulfonic acid group or sulfonic acid metal salt group, and crosslinked polymer particles, preferably crosslinked polymer particles coated with a water-soluble polymer. The particles are incorporated in a slurried state into the polymer. There is also provided a laminate film containing the polymer with the particles thus incorporated therein.The polyester composition is superior in uniform dispersibility of the particles, re-agglomeratin does not occur in melt-storage for a long time, and films formed using the polyester composition are superior in traveling performance and abrasion resistance.

Abstract: A composition for the detackification and clarification of acid and alkaline paint and lacquer waste waters and paint spray booth wastes, comprising:an inorganic-organic and/or organic adduct alloy polymer composition having the formula:A.multidot.B.sup.+ .multidot.D.sup.+wherein:A=[(SiO.sub.2 /Me.sup.I.sub.2 O).sub.u Me.sup.II.sub.m Me.sub.m.sup.III(OH) p.sup.(SO 4.sup.) y.sup.(Aci) (2m+3n)-p-2y].sub.4wherer=1 to 98% bw;u=0 to 10% bw; ##STR1## where: x=0 to 98% bw; Z is a divalent substituted or unsubstituted aliphatic, cycloaliphatic, heterocyclic or aromatic radicalD.sup.+ (PQAM).sub.wwherew=2 to 98% b.w. of polyquaternized polymer (PQAM)Me.sub.m.sup.II is selected from the divalent cationic group comprising: Mg, Zn, Ca, and Fe.sup.2+m=0 to 5Me.sub.n.sup.III is a tri-or more valent metal selected from the group comprising: Fe, Al, and Al-Zn complexes;n=1 to 20Aci is selected from the monovalent anionic group comprising Cl.sup.-, Br.sup.-, I.sup.-, NO.sub.3 --, H.sub.2 PO.sub.4 --, CH.sub.3 COO.sup.-, OH.

Abstract: Hydrosoluble/hydrodispersible polyester copolycondensates, well suited for the sizing of textile threads, comprise terephthalate, isophthalate, sulfoaryl dicarboxylate, ethylene glycol and polyoxyethylene glycol recurring structural units, have a glass transition temperature ranging from 15.degree. to 40.degree. C. at 85% relative humidity and the turbidity of aqueous formulations thereof are storage-stable over time; such polyester copolycondensates are conveniently prepared by (i) transesterifying admixture of dimethyl terephthalate, dimethyl sulfoaryl dicarboxylate and ethylene glycol, (ii) introducing isophthalic acid and an additional amount of ethylene glycol into the medium of transesterification and therein directly esterifying same, and (iii) polycondensing the resulting product of transesterification/direct esterification.

Abstract: A polymer blend comprising (a) a modified block copolymer comprising (i) a polystyrene block and (ii) a polydiene block or a hydrogenated polydiene block, said polydiene block or hydrogenated polydiene block being modified to contain an average of one or more carboxyl groups; and (b) a polymer comprising a polymerization reaction product of two or more mono-ethylenically unsaturated monomers in which (i) at least one of the monomers is an acrylic or methacrylic acid ester of a non-tertiary alcohol having 1 to 14 carbon atoms, inclusive and (ii) at least one of the monomers has carboxylic acid functionality and is present in an amount ranging from about 1 to about 15 parts by weight, based on 100 parts by weight of polymer (b), and a method of priming a substrate comprising applying the blend to the substrate.