Abstract: A product which can, on one hand, adhere on smooth aluminum surfaces and on the other bind with polytetrafluoroethylene, consisting of a polyamide-imide resin mixed with dimethylaminoethanol and water in suitable percentages.

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: Polyamidoamine-epichlorohydrin resin solutions with less than 1500 ppm of epichlorohydrin hydrolyzates after acid stabilization are produced by contacting the resin solution with either (a) dibasic phosphate salts having the general formula M.sub.2 HPO.sub.4 where M represents Na, K, or NH.sub.4, or (b) a nucleophilic alkanolamine at a temperature of less than about 50.degree. C. for a time sufficient to produce a product solution having, after stabilization with acid, less than 1500 ppm of epichlorohydrin hydrolyzates.

Abstract: An aqueous process was developed to prepare a consolidated composite laminate from an aqueous slurry. An aqueous poly(amic acid) surfactant solution was prepared by dissolving a poly(amic acid) powder in an aqueous ammonia solution. A polymeric powder was added to this solution to form a slurry. The slurry was deposited on carbon fiber to form a prepreg which was dried and stacked to form a composite laminate. The composite laminate was consolidated using pressure and was heated to form the polymeric matrix. The resulting composite laminate exhibited high fracture toughness and excellent consolidation.

Abstract: A wet strength resin composition is comprised of an aminopolyamide-epichlorohydrin acid salt resin having a total organically bound chlorine of up to 0.7% by weight of the resin. The amount of total organically bound chlorine present is controlled by the process parameters.

Abstract: Stable aqueous dispersions of finely divided piperazine-containing polyamide resin particles and methods for the manufacture thereof are provided. Dispersions according to this invention find use in hot melt adhesives, coatings, inks, and the like.

Abstract: Fine, porous polybenzimidazole-containing particles prepared by spray-atomizing/quenching a polybenzimidazole-containing polymer solution into porous polybenzimidazole-containing particles, and fluidized bed, oppose jet milling the particles into fine, porous polybenzimidazole-containing particles. The milled particles exhibit a narrow particle size distribution centered at about a 5 .mu.m mean particle size, a surface area of about 35 m.sup.2 /g, and an open porosity of about 1.2 cm.sup.2 /gm which is at pore radius of less than about 100 nm.

Abstract: A water-base aerosol coating composition, for application to a surface to be coated from a pre-packaged pressurized spray container, which contains greater than 10 Wt. % and up to about 25 Wt. % of a water dispersible acrylic modified alkyd resin, from about 0.4 to about 0.6 Wt. % of an amine neutralizing agent, less than 0.45 Wt. % of an organophilic clay dispersing agent, and from about 0.1 to about 0.5 Wt. % of an organic rheological agent. The formulation also includes from about 11 to about 17 Wt. % of a first solvent comprising glycol ether, from about 14 to about 18.5 Wt. % of a second solvent comprising water, and from about 38 to about 42 Wt. % of a cosolvent propellant comprising dimethyl ether. From about 1.17 Wt. % to less than 2.46 Wt. % of a barium metaborate monohydrate corrosion inhibitor is included, and an antiblock function is provided by including more than 0.3 wt.

Abstract: In a laminated product wherein at least one supported information-containing hydrophilic colloid layer is adhesively bonded on at least one of its surfaces to a protective hydrophobic resin sheet, improved adherence is achieved by using as the bonding adhesive a cationic crosslinked polymer obtained by:a) condensing a polyalkylenepolyamine containing at least two primary amino groups and at least one secondary or tertiary amino group with a dicarboxylic acid to form a polyamidoamine,b) subjecting the resultant polyamidoamine to a graft reaction in the presence of an acid catalyst with an alkene-1,2-imine, andc) crosslinking the resultant graft polymer with an epihalohydrin, an Alpha-Omega dihalohydrin ether or the ether compound obtained by reaction of epichlorohydrin with a water-soluble polyalkyleneoxide to form the water-soluble cationic polymer. With this adhesive bond, a tamper-proof seal can be obtained between the information-containing colloid layer and the hydrophobic resin protective sheet.

Abstract: Integrated circuit sockets for use in a burn-in test are disclosed. The IC sockets are produced by injection molding of a specific polyimide having an inherent viscosity of 0.35 to 0.65 dl/g and essentially consisting of recurring units represented by the formula (I): ##STR1## wherein X is a radical selected from the group consisting of a bond, divalent hydrocarbon having from 1 to 10 carbon atoms, etc. and R is a tetravalent radical selected from the group consisting of an aliphatic radical having two or more carbon atoms, cycloaliphatic radical, monoaromatic radical etc.

Abstract: A paper coating composition which comprises:(I) a pigment,(II) an aqueous binder, and(II) a resinous ingredient comprising (A) a water-soluble resin which is prepared by cross-linking (a) a condensation product of (al) an alkylenediamine or a polyalkylenepolyamine and (a2) an urea compound with (b) a cross-linking compound. This composition imparts excellent ink receptivity, excellent water resistance, and in particular, excellent anti-blister property to paper.

Abstract: A process for producing a resin is disclosed, comprising reacting (a) a polyalkylenepolyamine, (b) an alicyclic dibasic carboxylic acid and/or a reaction product having a free carboxyl group that is obtained by reacting an alicyclic dibasic carboxylic acid with a glycol, (c) a urea, and (d) an aldehyde and/or an alkylating agent. The resulting resin is useful as a wet strength agent to provide a paper coating composition having improved printability and printing effects.

Abstract: Cross-linked aqueous dispersions and emulsions and method for producing casts of any desirable shape therefrom the dispersions comprising a water dissipatable polymer in an amount from 18 to 30 percent by weight based on the total weight of the composition; water in an amount from 67 to 30 percent by weight based on the total weight of the composition; a source of multivalent metallic ions in an amount of 0.1 to 5 percent by weight based on the total weight of the composition; and humectant in an amount from 0.1 to 40 percent by weight based on the total weight of the composition and the emulsions comprising a water dissipatable polymer in an amount from 18 to 30 percent by weight based on the total weight of the composition; water in an amount from 67 to 80 percent by weight based on the total weight of the composition; emollient oils in an amount from 0.1 to 25 percent by weight based on the total weight of the composition; a source of multivalent metallic ions in an amount from 0.

Abstract: A method is provided for the preparation of stable aqueous dispersions of non-solvated, un-neutralized, low amine, low acide number polymerized fatty acid polyamide resins. In the preferred method of this invention, a polymerized fatty acid polyamide resin which has been prepared so as to have a low acid and low amine number is liquified by heating the polyamide resin to a temperature where it is at or above its melting point. The liquified polymerized fatty acid polyamide resin is then blended with a predetermined amount of water which is heated to a temperature such that the resulting blend will have a temperature above the melting point of the polyamide resin. A surfactant which will promote the emulsification of the polyamide resin and water is included in the mixture.

Abstract: Stable spray-coatable, water base composition having about 2 percent solids, that dries into glittering film having plurality of reflective surfaces resistant to flaking, comprising: a blend of a surfactant free first solution comprising, butyl methacrylate, butyl acrylate, 2-ethylhexyl acrylate, glacial methacrylic acid and styrene; a blend of a self-crosslinking second solution comprising, 2-ethylhexyl acrylate, butyl methacrylate, glacial methacrylic acid, styrene and at least one cross-linking polymer; a thickener gel; transparent polyethylene terephthalate chips on which reflective material has been vacuum deposited and cured fast by an epoxy resin, and ammonia.

Abstract: Stable spray-coatable, water base composition having about 2 percent solids, that dries into speckled films having a plurality of different colored surfaces resistant to flaking, comprising: a blend of a surfactant free first solution comprising, butyl methacrylate, butyl acrylate, 2-ethylhexyl acrylate, glacial methacrylic acid and styrene; a blend of a self-crosslinking second solution comprising, 2-ethylhexyl acrylate, butyl methacrylate, glacial methacrylic acid, styrene and at least one cross-linking polymer; a thickener gel; different colored dried latex paint chips, and ammonia.

Abstract: A water soluble and brine soluble rod-like polymer having recurring any units of the formula: ##STR1## wherein n is a 2 to 22 straight chained or branched chained alkyl or cycloalkyl group and the level of sulfonation is about 20 to about 100 mole %, and M is a tertiary amine or a metal cation selected from the group consisting of aluminum, iron, lead, Groups IA, IIA, IB and IIB of the Periodic Table of Elements.

Abstract: Hexachlorocyclotriphosphazene and poly(dichlorophosphazene) react with the sodium salt of ethyl p-hydroxybenzoate to give small molecule cyclic and high polymeric phosphazenes with aryloxy ester side groups; reaction of these compounds with potassium tert-butoxide brings about complete hydrolysis of the ester groups to yielding aqueous media-soluble, carboxylic acid bearing cyclic and high polymeric phosphazenes; the carboxylic acid bearing high polymer formed ionic cross-links when treated in aqueous media with salts of di- or trivalent cations yield hydrogels and membranes. The cross-linked gels were stable in neutral or strongly acidic aqueous media, but the cross-linking process was reversed in basic aqueous solutions of excess monovalent cations.

Abstract: Flameproofed thermoplastic molding compositions contain(A) 10-99% by weight of a thermoplastic polyamide or polyester or polyphenylene ether or a mixture thereof,(B) 1-50% by weight of red phosphorus having a particle size of up to 2 mm which contains, per 100 parts by weight, from 0.05 to 5 parts by weight of a polyurethane or polyester-polyurethane as phlegmatizer,(C) 0-60% by weight of a fibrous or particulate filler or a mixture thereof and(D) 0-20% by weight of an elastomeric polymer.

Abstract: A method is provided for the preparation of stable aqueous dispersions of non-solvated, un-neutralized, low amine, low acid number polymerized fatty acid polyamide resins. In the preferred method of this invention, a polymerized fatty acid polyamide resin which has been prepared so as to have a low acid and low amine number is liquified by heating the polyamide resin to a temperature where it is at or above its melting point. The liquified polymerized fatty acid polyamide resin is then blended with a predetermined amount of water which is heated to a temperature such that the resulting blend will have a temperature above the melting point of the polyamide resin. A surfactant which will promote the emulsification of the polyamide resin and water is included in the mixture.

Abstract: A water dispersible polyester polymer is described having one or more polyester chains and one or more non-ionic polyoxyalkylene chains in which at least 40% of the repeating oxyalkylene units are oxyethylene units. The polyester polymer has a structure in which one or more of the polyoxyalkylene chains are pendent to at least one of the polyester chains. The poloxyalkylene chains provide the polyester with non-ionic stabilization enabling the polyester to form aqueous dispersions which possess good colloid stability.

Abstract: An aqueous solution of a cationic thermosetting resin containing a very small amount of organic halogen compounds is prepared by adjusting a reaction temperature in a reaction of polyamidopolyamine with epihalohydrin and a molar ratio of the polyamidopolyamine and epihalohydrin.

Abstract: Aqueous heat-curable coating substances in a polyester and acrylic resin base and a process for their manufacture. The new coating substances are usable as aqueous, heat-curable coatings and as clear varnish coating substances. The new heat-curable aqueous coating substances contain as binding agents 20 to 45%/weight of an amine resin cross-linking agent and 80 to 55%/weight of a polyester oligomer polyacrylate which is water-soluble following neutralization with bases and has a hydroxyl value of 150 to 390 and an acid value of 16 to 40, manufactured by the radical polymerization of a hydroxyfunctional (meth) acrylic acid ester, a monofunctional ethylenically unsaturated acid and, if required, an .alpha., .beta. ethylenically unsaturated monomer with no functional groups, in a polyester oligomer.

Abstract: Cross-linked aqueous dispersions and emulsions and method for producing casts of any desirable shape therefrom the dispersions comprising a water dissipatable polymer in an amount from 18 to 30 percent by weight based on the total weight of the composition; water in an amount from 67 to 30 percent by weight based on the total weight of the composition; a source of multivalent metallic ions in an amount of 0.1 to 5 percent by weight based on the total weight of the composition; and humectant in an amount from 0.1 to 40 percent by weight based on the total weight of the composition and the emulsions comprising a water dissipatable polymer in an amount from 18 to 30 percent by weight based on the total weight of the composition; water in an amount from 67 to 80 percent by weight based on the total weight of the comosition; emollient oils in an amount from 0.1 to 25 percent by weight based on the total weight of the composition; a source of multivalent metallic ions in an amount from 0.

Abstract: Aqueous dispersions of thermoplastic polyamides based on dimeric fatty acids having melting points of at least 120.degree. C. or of mixtures of these thermoplastic polyamides, in which at least 20% of the polyamide has a melting point of at least 120.degree. C., and which contain salts of rosin derivatives having acid values of more than 120 as emulsifiers, show excellent properties as adhesives.

Abstract: A laminate is produced by bonding together two hydrophobic thermoplastic resin sheets at least one of which carries at least one hydrophilic colloid layer containing a photograph and/or other information on its inner side, by the steps comprising:(1) treating such information-bearing hydrophilic colloid layer with an aqueous composition containing a self-cross-linkable reaction product of:(i) an epihalohydrin or an Alpha-dihalohydrin,(ii) a water-soluble polyamide, and(iii) a water-soluble polyamine containing at least two nitrogen atoms separated by at least three carbon atoms and optionally also by at least one oxygen or sulphur atom and having at least two hydrogen atoms attached to different nitrogen atoms,(2) drying thus treated layer, and(3) applying heat and pressure to bond the hydrophobic resin sheets together with such hydrophilic colloid layer sandwiched there-between.

Abstract: Disclosed is a water-dissipatable polyester containing a sulfonate group and at least 10 mole percent of a multifunctional or branch-inducing moiety. The polyester is useful to prepare coatings such as paints.

Abstract: Stable spray-coatable, water base composition having about 2 percent solids, that dries into glittering film having plurality of reflective surfaces resistant to flaking, comprising: a blend of a surfactant free first solution comprising, butyl methacrylate, butyl acrylate, 2-ethylhexyl acrylate, glacial methacrylic acid and styrene; a blend of a self-crosslinking second solution comprising, 2-ethylhexyl acrylate, butyl methacrylate, glacial methacrylic acid, styrene and at least one cross-linking polymer; a thickener gel; transparent polyethylene terephthalate chips on which a color imparting or reflective material has been vacuum deposited and cured fast by an epoxy resin and ammonia.

Abstract: An aqueous printing ink or its semi-aqueous or non-aqueous concentrate exemplified as comprising a substantially homogeneous system of the components:(1) from about 4 to about 80 weight % of one or more polyester materials having an acid component of from about 75 to about 84 mole % isophthalic acid and conversely from about 25 to about 16 mole % 5-sodiosulfoisophthalic acid, and having a glycol component of from about 45 to about 60 mole % diethylene glycol and conversely from about 55 to about 40 mole % 1,4-cyclohexanedimethanol or ethylene glycol or mixtures thereof;(2) from about 0 to about 60 weight % of pigment material;(3) from substantially none to about 90 weight % of water; and(4) from about 0.25 to about 5 weight % of a diacyl-glycerophospholipid.

Abstract: Water-borne printing ink compositions based on acrylic resins and maleated rosin modified polyamides are disclosed. The ink compositions are especially useful for printing onto plastic substrates.

Abstract: A method of preparing water-dispersed polymer blends, comprising the steps of:(i) preparing an aqueous polymerization mixture by adding to water, a sulfonate group-containing polyester or polyesteramide, one or more .alpha.,.beta.-unsaturated monomers and a polymerization initiator; and(ii) polymerizing said polymerization mixture to provide said water-dispersed polymer blend.Also disclosed is an aqueous dispersion of a polymer blend, comprising an aqueous dispersion having a solids content of about 30% to 65% of a polyester or polyesteramide blend comprising a sulfonate group-containing polyester or polyesteramide and a polymer comprising repeat units from one or more .alpha.,.beta.-unsaturated monomers.

Abstract: Aqueous polyester dispersions are prepared by(a) condensing an aromatic dicarboxylic acid or ester with at least one diol to give a prepolymer having an acid number of from 2 to 8,(b) reacting the prepolymer with at least one molecular weight enhancer compound, e.g. trimellitic anhydride to give a polyester having an acid number of from 40 to 60, and(c) dispersing the polyester in an aqueous medium to form an aqueous dispersion by adding an aqueous mixture of ammonia and an amine in a molar ratio of from 10:1 to 1:10 to a melt of the polyester which has a temperature within the range from 150.degree. to 230.degree. C.,and are used as sizes for sizing filament warp yarns.

Abstract: An aqueous dispersion comprising a polyester having repeat units from at least one difunctional sulfomonomer containing at least one metal sulfonate group attached to an aromatic nucleus wherein the functional groups are carboxyl or hydroxyl, and a polymer having a majority of repeat units from vinyl acetate, wherein this polymer is formed from monomers polymerized in an aqueous dispersion of said polyesters.

Abstract: The acidic crumb of poly(paraphenylene terephthalamide) formed from the reaction of terephthaloyl chloride with para-phenylene diamine in an N-alkyl-pyrrolidone with an alkali or alkaline earth metal salt, is dissolved in a defined mixture of a base, a solvent and co-solvent for use in the direct preparation of fibrous products.

Abstract: Coating compositions comprise a clear, homogeneous binder mixture of polyether or polyester polymer, an amine-formaldehyde condensate resin, and an organic solvent; the mixture being miscible with water to application viscosity. The coating composition typically contains suspended solid particulates, including pigments and metal flakes.

Abstract: The present invention contains a process for manufacturing a water-soluble, self-crosslinking, polymeric condensation product by reacting 1 mole di-C.sub.1-4 -alkylamino-C.sub.24 alkyl(meth)acrylates with 0.3 to 1.5 mol di-C.sub.1-3 -alkyl-phosphonates in the presence of water under heating up to a remarkable increase of the viscosity.If aqueous solutions of these condensation products are used for the treatment of fibrous materials, a very high antistatic effect is imparted to them with only small changes of shade and a very good dry- and wet rubbing fastness as well as water-fastness. The effects show a good permanency.

Abstract: A water soluble or brine soluble rod-like polymer characterized by the formula: ##STR1## wherein n and n' are a 2 to 22 straight chained or branched chained alkyl or cycloalkyl group, and the level of sulfonation is about 20 to about 100 mole %, and M is a tertiary amine or a metal cation selected from the group consisting of alumina, iron, lead, Groups IA, IIA, IB ad IIB of the Periodic Table of Elements and level of alkylation is about 1.0 to 60 mole %.

Abstract: Water-soluble cross-linked polyamides are produced by reacting (B) a cross-linking agent with (A) the product of reacting (A.sub.1) a dicarboxylic acid and (A.sub.2) a polyamine, provided that at least one of (A.sub.1) (A.sub.2) and (B) contains an aromatic moiety or that the product of reacting (B) with (A) is further reacted with a compound containing an aromatic moiety. The products are useful as binders for aqueous printing inks.

Abstract: A process for stabilizing an aqueous solution of a thermosetting polyamide-epichlorohydrin resin useful for imparting wet strength to paper by adding a mixture of a weak acid and a strong acid to said aqueous solution.

Abstract: Polyamides containing carboxyl groups which, after neutralization with a base, are dilutable with water and which are the products of condensing (1) an amine mixture comprising trifunctional and difunctional amines with (2) an excess of an acid mixture consisting of isophthalic acid and a dimerzied fatty acid and/or a C.sub.6 -C.sub.12 aliphatic dicarboxylic acid.

Abstract: Difficultly soluble aromatic polyamides, polybenzimidazoles and polyureas dissolve in a defined mixture of liquid sulfoxide, a base and an alcohol or water.

Abstract: Aqueous fluids are thickened with epoxide modified polyoxyalkylene diamines. The polyoxyalkylene diamines are of the formula:H.sub.2 NCH(CH.sub.3)CH.sub.2 O(CH.sub.2 CH(R)O).sub.x CH.sub.2 CH(CH.sub.3)NH.sub.2wherein:R is methyl or hydrogen andx is a number selected to give the diamine a molecular weight of 3000 to 9000.The epoxide is a hydrophobic monoepoxide, diepoxide or mixture thereof.The aqueous fluid optionally incorporate ethylene glycol. They are useful for water/glycol base hydraulic fluids, cosmetics and surfactants.

Abstract: This invention describes an improved cationic wet strength resin prepared from: an epichlorohydrin-ammonia intermediate reaction product; polyalkyleneamine-amide, and epichlorohydrin. This resin is not only efficient in imparting wet strength to paper but also provides that the treated paper is easier to repulp than paper treated with conventional epoxidized polyalkyleneamine-amide.

Abstract: Polyamide solutions for imparting wet strength to paper are stabilized by acidifying uncrosslinked polyamide solutions prior to storage or prior to crosslinking with epichlorohydrin to form polyamide resins. The acidification of the uncrosslinked solutions allows for storage without refrigeration. The acidification prior to crosslinking results in wet strength resins that are stable at solids concentrations of at least 30% and that exhibit high strength when the resins are post cooked to a viscosity of between about 325 and 425 cps.

Abstract: Polyamide resins useful as binders in flexographic/gravure inks are provided which are essentially free of polyeric fat acids. These polyamide resins exhibit improved water solubility, yet still retain the other many desirable properties of polyamide resins based on polymeric fat acids. The resins are acid terminated having acid values greater than 30 and are prepared from medium chain (12-26 carbons) dicarboxylic acids such as the C.sub.21 acid, 2-n-hexyl-5-(7-carboxyl-n-heptyl)-cyclohex-3-ene carboxylic acid, and aliphatic diamines having from 2-12 carbon atoms.

Abstract: Disclosed are novel wet strength resins for paper. The resins are produced by reacting an epihalohydrin, such as epichlorohydrin, with an aminopolyamide-polyureylene intermediate derived by reacting methylbisaminopropylamine with oxalic acid or a diester of oxalic acid and with urea.

Abstract: This invention is an improvement to the continuous method to polymerize caprolactam at temperatures over 220.degree. but below 280.degree. C. in the presence of free water, a catalyst capable of generating phosphoric acid at the reaction conditions, in the hydrolyzer to form a prepolymer, with subsequent stripping of water and other low boiling compounds, and with completion of polymerization in a final finisher under a vacuum. The improvement comprises limiting the amount of free water fed to the polymerization process to less than about 1.5 percent but above 0.

Abstract: A rock wool composite material obtained by mixing a fine rock wool having a diameter of 1 to 10.mu. and a length of 70 to 500.mu. and containing substantially no shots with a pulp-like substance of a heat-resistant aromatic polymer having a freeness value of 150 seconds or more and less than 500 seconds, is excellent in heat resistance, incombustibility, heat insulation and electrical insulation and is advantageously used as a substitute for an asbestos sheet or board.

Abstract: Production of spinnable polyhexamethylene adipamide of high molecular weight from adiponitrile, hexamethylene diamine, water and additives, preferably continuously in a reaction cascade and in a finisher as the final stage, catalytically accelerated by catalysts as disclosed.It has now been discovered that polyamides can be produced from dinitriles, diamines and excess water in the presence of catalysts selected from the group consisting of: (1) oxygen-containing phosphorous compounds; (2) oxygen-containing boron compounds; (3) acidic oxygen-containing sulfur compounds; and (4) hydrogen halide and ammonium or ammonium alkyl salt thereof.

Abstract: A water soluble composition including an amine or ammonium salt of a polyimide precursor which is obtained by the reaction steps of: reacting a tetracarboxylic compound and a diamine in about equimolar amounts in a water miscible organic solvent to obtain the polyimide precursor; and reacting the polyimide precursor with ammonia, or an aqueous solution of ammonia, or a primary or secondary aliphatic amine in an amount sufficient to neutralize the free carboxyl groups of the polyimide precursor.A process of coating and a substrate are also disclosed.