Abstract: A polymeric material comprising a solid dispersion of a porous three-dimensional polymer with a pore diameter of 0.002 to 10 .mu.m and a permeability coefficient of from 2.times.10.sup.-7 to 2.times.10.sup.31 2 cm.multidot.sec.sup.-1. This material is produced by reacting formaldehyde with at least one monomer capable of forming, with formaldehyde, a polymer of a three-dimensional structure. The reaction is carried out in the presence of a polymerization catalyst in an aqueous medium at a pH of from 0.1 to 4, while maintaining the polymer concentration within the range of from 20 to 65% by mass. Thereafter the solution with the polymer is maintained for a period sufficient to form a porous polymer in the form a solid dispersion.

Abstract: A solid urea-formaldehyde resin is provided, having a degree of condensation of 25% to 45%.A process for making the resin is also described and includes several steps. Urea and formaldehyde is first reacted with a molar ratio of U:F of 1:2.5 or more then concentrated. Further urea is added to reduce the ratio to the range 1:1.1 to 1:2 and further concentration is achieved without precipitation of solid resin by the use of a stabilization agent.

Abstract: A reaction product and process for making the same of a lignosulfonate with an unsaturated fatty amine of 18 to 20 carbon atoms and an aldehyde. The process includes forming an aqueous solution of lignosulfonate at a solids concentration of 20% to 40%, adjusting the pH of the solution to above 10 or below 5, mixing the solution with a specified quantity of fatty amine to form a homogeneous mixture, adding the aldehyde to the mixture, and finally heating the mixture at a temperature of 25.degree. C. to 100.degree. C. for a period of one to 24 hours.

Abstract: Compositions comprising an oligomer which (a) comprises the repeating unit (Ar--CHR), and where Ar is an aromatic group and R is hydrogen or a hydrocarbyl group or hydrogen, (b) has pendant and/or terminal groups which include inter alia acyloxymethyl, hydroxymethyl and carboxyl, and (c) has a functionality between 0.5 and 10, and processes for the preparation thereof are described. These compositions may be used in dental, electrical and electronic applications.

Abstract: Condensation polymers prepared by reaction of a cyclic diol with a diether or aldehyde, or both, optionally with a branching agent, such as bis(4-hydroxycyclohexyl)propane with paraformaldehyde, or a diether such as methylene-dimethyl ether, or both, optionally with a branching agent such as a pentaethritol, in the presence of an acidic catalyst such as p-toluenesulfonic acid.

Abstract: Poly(arylene sulfide) compositions and process comprising producing poly(arylene sulfide) in the presence of a thermoplastic elastomeric hydrogenated conjugated diene/monovinyl arene block copolymer present in an amount sufficient to improve the physical properties of the composition.

Abstract: A composition of matter useful as a high solids coating is disclosed. The composition contains at least one cycloaliphatic diol and at least one methylolamino curing agent.

Abstract: A composition of matter useful as a high solids coating is disclosed. The composition comprises at least one bishydroxymethyl tricyclo compound and at least one amino crosslinking agent.

Abstract: Diethanolammonium sulphamate is a curing agent for modified aminoplast resins.

Abstract: Disclosed herein is a process for producing an aromatic sulfide polymer, comprising the step of reacting elementary sulfur, a polyhalogen-substituted aromatic compound, an aldehyde or a condensate thereof and a caustic alkali in an organic solvent.

Abstract: Modified melamine-formaldehyde resins having a melamine:formaldehyde molar ratio of 1:(1.27 to 0.7) are prepared by heating melamine in an aqueous solution or suspension with formaldehyde in a melamine:formaldehyde molar ratio of 1:(1.27 to 0.7) at a pH value of 8 to 11 and at temperatures of 105.degree. to 160.degree. C. until the finished resin has reached a dilutability with water of 1:(0.1 to 4) at 20.degree. C., and, before, during or after the condensation reaction, adding less than 25% by weight of a glycol ether of the formulaR(OCH.sub.2 CH.sub.2).sub.n OHin which R denotes alkyl having 1 to 4 C atoms and n denotes an integer from 1 to 5, and/or of p-toluenesulfonamide. The resins are used in particular for the production of molding compositions.

Abstract: A cationic adsorption agent which is obtained by reaction of(a) an amino compound which contains at least one amino group and at least one free or methylolated carbamide or thiocarbamide group, or a salt thereof,with(b) an aminoplast precondensate which does not contain amino groups.The novel absorption agent is suitable in particular for removing anionic substances, such as acid dyes or reactive dyes, from aqueous solutions, especially from wastewaters.

Abstract: Ionene polymers have been prepared and have been found to be useful in cosmetic compositions for the treatment of the hair and skin, or in the treatment of natural or synthetic textile fibers.

Abstract: Mineral tanned leather is frequently retanned with synthetic tanning agents to improve the fullness and softness, but leather retanned by the prior art methods is difficult to dye in full shades with anionic dyes. According to the invention, condensation products of C.sub.1-4 aldehydes with certain aromatic sulfonic acids or carboxylic acids containing amino groups are employed for retanning, thereby improving the receptivity of the leather for anionic dyes. These acids have the general formula ##STR1## where X and X' are independently H, --CH.sub.2 --SO.sub.3 H or --CH.sub.2 --OH, A is a benzene radical, Y and Z are independently H, --SO.sub.3 H or --CO.sub.2 H, R is H or C.sub.1-4 -alkyl and n is from 0 to 10, with the proviso that at least one sulfonic acid or carboxyl group is present in the molecule.

Abstract: This invention discloses silicone-alkyd resins and a method for their preparation which overcomes prior art problems in the manufacture of such resins. The method consists of reacting all of the components of the silicone-alkyd resin together essentially simultaneously.

Abstract: Polyamide silicate resinous products are produced by reacting halosilicon acids with a polyamine compound and a polycarboxylic acid and/or polycarboxylic anhydride. The polyamide silicate resinous products may be utilized as molding powders, as films, as sheets, as coating agents, as caulking compounds, as an adhesive and in the production of polyurethane silicate resins and foams.

Abstract: Elastomeric materials which are formed by curing a mixture of a carboxylic acid and/or a natural oil containing a carboxyl group and an amino alkyl dimethylpolysiloxane having alkoxy functional groups are disclosed. Curing is preferably effected by heating, generally for 24 or more hours depending on the materials used, their thickness and the desired transparency. The materials may optionally contain fillers to enhance strength. Incorporation of a fragrance in the elastomeric materials renders them useful as pomanders. The elastomers also have utility as shock cushions and coatings.

Abstract: Aminoplast resin pigments for paper making comprise large surface area (>5m.sup.2 /g) particles, preferably of size below 200 .mu.m, made from an aminoplast resin made by condensing formaldehyde with urea and/or melamine in the presence of 0.2 to 15 moles, per 100 moles of formaldehyde, or sulphite, phosphate, phosphite or borate radicals. The resin may be converted to the particulate form by gelling the resin in extended form by dilution with an aqueous acid, followed by drying, curing, and comminution of the gelled resin. To effect gelation in extended form the resin is preferably diluted to a resin solids content of less than 25% by weight by the addition of sufficient acid to cause gelation within 20 minutes.

Abstract: Urea-formaldehyde polymers having reduced formaldehyde emissions are produced by incorporating in the prepolymer an aromatic substance incapable of reacting with urea formaldehyde in alkaline media but capable of reacting with urea formaldehyde in acid media in an amount sufficient to reduce or eliminate the free formaldehyde emissions therefrom. Also disclosed is a cellular urea-formaldehyde foam which is resistant to acid-induced hydrolysis, the foam prepared by incorporating a polyalkyl polynuclear metal sulfonate foaming agent in the acid catalyst solution for the urea-formaldehyde prepolymer.

Abstract: Conventional aldehyde containing resins for making bonded products or insulation foam are deodorized by the addition thereto of a sulfur compound such as oxyacid salts of sulfur in a valence state ranging from +5 to -2 inclusive.

Abstract: A condensation product of naphthalenesulfonic acid and linear alkyl benzenesulfonic acid having an alkyl moiety of from about 4 to about 20 carbon atoms with formaldehyde or salt thereof is useful as a secondary emulsifier and co-emulsifier in synthetic polymer latex processes. From about 0.05 to about 5 parts by weight of the condensation product per 100 parts by weight of latex monomer is used as a secondary emulsifier and from about 0.5 to about 5 parts by weight of the condensation product per 100 parts by weight of latex monomer is used as a co-emulsifier. Additionally, products can be prepared which have been found to be biodegradable. Use of these condensation products eliminates pollution caused by a secondary emulsifier or co-emulsifier in polymer manufacture effluent.

Abstract: Coating compositions comprising methylolamino compounds are cured with high molecular weight fatty diols and higher polyols.

Abstract: Condensation products which are obtained by co-condensation, in an acid aqueous medium, of terphenylsulphonic acids, naphthalenesulphonic acid, bis-(4-hydroxyphenyl) sulphone and compounds which release formaldehyde are used as tanning agents for the production of leather and as re-tanning agents for re-tanning mineral-tanned leather.

Abstract: An additive for reducing the amount of water necessary in forming a pourable aqueous calcined gypsum slurry, the additive comprising a high potassium salt of a condensation product of naphthalene and sulfonic acid having a molecular weight between about 300 and 3,000. Aqueous plaster slurries containing the additive are pourable, moldable and castable with much less excess water than ordinarily required, resulting in dried cast products of increased strength and other physical property benefits.

Abstract: The present invention provides fibres of urea formaldehyde, melamine formaldehyde, phenol formaldehyde, and mixtures thereof, modified by inorganic oxyacid radicals derived from inorganic oxyacids of sulphur, salts of such inorganic oxyacids, phosphate radicals, phosphite radicals, borate radicals and mixtures thereof.

Abstract: Polymeric materials and their thermoset, resinous products prepared by the polymerization of a mixture containing at least two different monomeric structures selected from the group having the general formula ##STR1## wherein each A represents a chalcogen independently selected from the group oxygen and sulfur; R.sub.1 represents a member selected from the group hydrogen, --CH.sub.2 (OCH.sub.2).sub.y OCH.sub.2 --R.sub.3 ; each R.sub.2 represents a member independently selected from the group consisting of R.sub.1, halogen and an alkyl group of 1 to 10 carbon atoms; R.sub.3 represents a member selected from the group consisting of H, methyl, ethyl and propyl; each m represents an independently selected integer from 1 to 2; n represents an integer from 0 to 60 and y represents an integer from 0 to 3 in the presence of an acid catalyst at a temperature of from between about 140.degree. and about 165.degree. C. for from several minutes to several hours.

Abstract: Acetylene-substituted tetraimines are synthesized to form oligomers or prepolymers having melting points as low as 40.degree. C. and which can be polymerized into thermoset plastics at temperatures as low as 150.degree. C.

Abstract: Acetylene-substituted Schiff's bases are prepared by the reaction of either acetylene-substituted amines and dicarboxaldehydes or acetylene-substituted aldehydes and diamines.These compounds are polymerizable and in some examples they yield conjugated polymers useful in the fabrication of conductors and semiconductors.

Abstract: A process for preparing a polyimine comprising reacting at least one dialdehyde with at least one diamine in a reaction medium of 100 to about 40 percent by volume of a phenolic compound of the formula, ##STR1## wherein X represents a hydrogen atom or a methyl group, and 0 to about 60 percent by volume of a liquid which is miscible with the phenolic compound.

Abstract: A composition as described which is useful particularly in improving the electrodeposition of bright zinc from aqueous acidic plating baths. The new composition comprises a reaction product obtained by the process of preparing an intermediate composition by reacting formaldehyde in water with sulfamic acid and at least one aliphatic acyclic amine containing at least one primary amine group, and thereafter reacting said intermediate compound with at least one epihalohydrin or glycerol halohydrin or mixtures thereof. Aqueous acidic zinc plating baths containing the additive compositions of the invention and methods for depositing a bright zinc coating over a wide range of current densities also are described.

Abstract: A water-reducing admixture for use in preparing a hydraulic composition comprisingI. 95 to 50% by weight of a water-soluble sulfonate andIi. 5 to 50% by weight of a water-soluble copolymer, said water-soluble sulfonate (I) being selected from the group consisting ofA. a water-soluble salt of a sulfonated aromatic hydrocarbon,B. a water-soluble sulfonate, andC. a water-soluble salt of sulfonated melamine resins.

Abstract: Novel polyacetal polymers are presented. The polymers provide outstanding renewable soil release, anti-soil redeposition and anti-static properties when applied to natural and synthetic textile substrates, especially textile substrates containing polyester fibers.