Abstract: A method of preparing a wrinkle-resistant fabric made from natural fibers consisting of the steps of (a) impregnating the fabric with a solution of tris(hydroxymethyl)nitromethane or a mixture thereof with 2-nitro-1-butanol or 2-nitro-2-methylpropanol and catalyst therefor, and (b) heating to 150.degree.-170.degree. C.

Abstract: The products of the reaction of dimethyloldihydroxyethylene urea (DMDHEU) or an alkylated DMDHEU with a polyol impart permanent press properties to a textile fabric and contain only a small amount of free formaldehyde.

Abstract: An absorbable surgical suture material based on monocarboxycellulose having the general formula ##STR1## where: m is a degree of polymerization of the initial cellulose from 250 to 3,300;p is a molar fraction of D-glucopyranose cycles in one polymer period from 0.95 to 0.05;q is a molar fraction of cycles of d-anhydroglucuronic acid from 0.05 to 0.95;S is a molar fraction of the complex fragment of D-anhydroglucuronic acid, metal, and ligand from 0.03 to 0.55;Me is a transition metal;n is a valence of the transition metal;k is a coordination number of the transition metal .gtoreq.4;Lig is polydentate ligands;Dent is a dentation of the ligands .gtoreq.2.A method for producing said material consists in that cellulose threads are first threaded with nitrogen oxides, then for 0.5 to 2.0 hours treated with a 0.5-2.0-percent solution of a salt of a transition metal with a coordination number not less than 4 in a suitable solvent, and after this treated for 0.5 to 2.0 hours with a 1.0-2.

Abstract: Alkylated glyoxal/cyclic urea condensates are excellent formaldehyde-free crosslinking resins for textile fabrics.

Abstract: The isocyanate polyoxyalkylenes having the formula:OCN--(AO).sub.x --(BO).sub.y --(CO).sub.z --DE I.wherein E is --NCO or an amino group; A, C and D represent lower alkylene of 2 to 4 carbon atoms; B is alkylene of 2 to 8 carbon atoms; y and z are each integers having a value of 0 to 50 and x is an integer having a value of from 2 to 50, and intermixtures of said polyoxyalkylenes.The above compounds display a wide variety of uses, namely for the control of fungi and bacteria or for the prevention of such infestation. They are also useful dielectric constant depressors for polymeric substances, e.g. polyvinylchloride, polyvinylidene halides, etc., extenders for solids in latices and anti-static agents.

Abstract: This invention relates to the use of certain co-solvents in cellulose amine N-oxide solutions, which co-solvents increase the cellulose dissolution rate; lower the temperatures necessary to reasonably form a solution; lower the viscosity of the solution; provide solutions with improved color, amine oxide stability, and cellulose stability, provide a solution with improved flow characteristics; increase solution processability, e.g. wet spinning; permit the replacement of amine oxides by a less expensive co-solvent; and are recoverable and reusable in cellulose dissolution and processing.The co-solvents of the invention comprise compounds, miscible with cellulose-dissolving amine N-oxides, containing primary, or combinations of primary and secondary, amino groups wherein the amino groups are bonded to alkyl, alicyclic, dialkyl ether or alkyl/alicyclic radical(s) and wherein the number of carbon atoms divided by the number of primary amino groups is approximately equal to or less than 4; or#C/#NH.sub.2 .

Abstract: A process for preparing a derivative of an hydroxyl bearing substrate by reacting an hydroxyl bearing substrate with oxirane bearing molecules to produce an oxirane ring bearing substrate; and reacting the oxirane ring with a substituted primary aromatic amine selected from primary aromatic amine alcohols and primary aromatic amine thiols. Among the compositions so produced is a stable modified hydroxyl bearing substrate or hydroxyl bearing sheet having covalently bonded thereto primary aromatic amines which can be diazotized. The diazotized substrate selectively, covalently binds proteins, polypeptides, peptides, nucleic acids, RNA, single stranded DNA, and nucleic acid hybrids.

Abstract: Smolder resistance is imparted to cotton and cotton-containing fabrics by applying a certain boron-nitrogen-phosphorus system to the fabric, employing conventional equipment. An inorganic boron compound is placed in solution with a phosphorus-containing compound, then a nitrogen-containing compound is added. The aqueous mixture is applied using conventional textile equipment, dried, and cured by standard methods.

Abstract: Black, flame-resistant, substantially inert, non-conductive, flexible textile materials are produced by impregnating a scoured regenerated cellulosic textile material with a composition containing (a) a compound having in one tautomeric form, the general formula ##STR1## in which X is oxygen, sulphur or --NH--, and Z is --NH.sub.2, --NHGN, --NH.NH.sub.2, --NH.CO.NH.sub.2 or lower alkyl or X and Z taken together represent a trivalent nitrogen atom, and (b) an ammonium salt of an oxy-acid of phosphorus, heating the impregnated textile in an oxygen-containing gas to a temperature of 220.degree.-300.degree. C. until a black, flame retardant product is obtained and there has been a loss in weight based upon the original weight of the textile material, of 20% to 30%.

Abstract: Chemically modified cellulose fibers such as those which have been subjected to phosphorylation or carboxymethylation or to polymer grafting-hydrolysis are refined in the presence of water, centrifuged to remove unbound water and extruded into filaments. The individual fibers are identifiable within the filaments and are generally aligned parallel to the filament axis. Certain embodiments of the filaments are highly absorbent, have fast wicking rates, and may be self-bonded to form integral nonwoven webs for use in disposable diapers, sanitary products, wipers and the like.

Abstract: This invention relates to a process for preparing swellable cross-linked carboxyalkylcelluloses in the form of fibers, by reacting cellulose, a carboxyalkylating etherifying agent, and a cross-linking agent in an aqueous alkaline medium, comprising effecting alkalizing, etherifying, and cross-linking simultaneously in one reaction step using fibers of cellulose hydrate or fiber-based textile sheet materials which contain these fibers, by contacting said fibers or textile sheet materials which contain these fibers with an ample quantity of an aqueous alkaline reaction mixture, removing part of the reaction mixture from the fibers or the textile sheet materials contacted therewith, so that at least the quantity required for reaction is still present, and treating the fibers or the textile sheet materials containing the remainder of the aqueous alkaline reaction mixture with heat energy.

Abstract: A process for the preparation of viscose by adding to cellulose pulp, manufactured by alkali cooking without prehydrolysis or by acid cooking without alkali extraction, steeping lye and an organic compound, steeping the pulp to form alkali cellulose, aging the alkali cellulose, xanthating the aged alkali cellulose with carbon disulfide to obtain cellulose xanthate and dissolving the cellulose xanthate to obtain viscose.

Abstract: Carboxy substituted aromatic chromophores are reactively linked to fibers containing alcoholic hydroxyl groups, amino groups or thiol groups, such as cellulosic fibers, with the linkage produced in the presence of a cyanamide compound, such as cyanamide or dicyandiamide.

Abstract: A flame resistant substrate composed of cotton and flame retardant polyester fibers having a flame retardant affixed thereto and a method for increasing the flame resistance of a substrate composed of cotton and polyester fibers.

Abstract: The material is located at one side of the screen of a screen printing stencil, the other side of which has the reinforcing substance, for example curable plastic material, applied, uniformly distributed over the screen. To apply the substance to the material, the screen is located at the end of a closed pressure vessel into which the reinforcing substance is introduced and to which, further, controlled pneumatic pressure is applied when printing is desired, to flow the reinforcing substance through the openings of the screen, and bulge the screen outwardly, for example into contact with the material to be reinforced. After application of the material, the pressure is released, permitting the screen to return to normal position and spaced from the material.

Abstract: A novel process for imparting durable antistatic and hygroscopic properties together with an excellent hand to fibers comprised of a high polymer having active hydrogen atoms in its molecule or fibrous structures made thereof is provided. The process is performed by heat treating such fibers or fibrous structures in the presence of a treating solution comprising at least one water-soluble vinyl monomer, acid and water. When the fibers impregnated with the solution are heated, the water-soluble vinyl monomers are graft polymerized with the fibers. The fibers are considered to act as a polymerization initiator, so that the graft polymerization reaction according to the present invention, different from conventional processes, can be effected without the aid of any polymerization initiators such as persulfates or peroxides.

Abstract: A process for scavenging free formaldehyde from cellulosic-containing articles, such as textile materials, which process comprises contacting the cellulosic-containing textile material containing free formaldehyde with a formaldehyde scavenger which comprises a heterocyclic compound free of carbonyl groups, and containing an NH group, with the ring made up of nitrogen or carbon atoms, the ring being unsaturated or, when fused to a phenyl group, being unsaturated or saturated, and the NH group bonded to a carbon or nitrogen atom which is directly bonded by a double bond to a carbon or nitrogen atom.

Abstract: The present invention relates to a process for sizing cellulose fibres or cellulose fibre containing materials and to a composition for carrying out the process. More particularly the invention relates to a process for sizing according to which cellulose fibres in a manner known per se are brought into contact with compounds having the general formula ##STR1## WHERE X is the group ##STR2## wherein R.sub.1 is an organic, hydrophobic group having 8 to 40 carbon atoms and R.sub.2, R.sub.3, R.sub.4 and R.sub.5 independent of each other are alkyl groups having 1 to 7 carbon atoms or have the same meaning as R.sub.1.

Abstract: Carboxy substituted aromatic chromophores are reactively linked to fibers containing alcoholic hydroxyl groups, amino groups or thiol groups, such as cellulosic fibers, with the linkage produced in the presence of a cyanamide compound, such as cyanamide or dicyandiamide.

Abstract: A process of treating textile material of a cellulosic nature with ammonia includes the step of first applying water to the textile material before the material is impregnated with ammonia. The amount of water applied must be enough to raise the moisture content of the material to a level above that normally present in the prevailing conditions of atmospheric humidity but with a maximum value of 30% by weight of the dry material.

Abstract: Certain chemically modified cotton fabrics have been treated with vapors of glycidol at reduced pressures in a heated chamber to impart improved wet and dry wrinkle recovery characteristics.

Abstract: A process for modifying a fibrous product containing cellulosic fibers, which comprises impregnating said fibrous product with a treating liquor containing a chemical textile finishing agent, and then heat-treating the impregnated fabric in the presence of an acid catalyst which comprises a fluorocarboxylic acid of the formulaC.sub.n F.sub.p H.sub.q COOHwherein n is an integer of 1 to 5, p is 2 to 10, and q is 0 or 1, with the proviso that the sum of p and q equals 2n + 1. The fibrous product thus treated has markedly improved shrinkage resistance, dry crease resistance, wet crease resistance and wash and wear properties while retaining mechanical strength characteristics.

Abstract: A rinse cycle fabric softening composition effective in reducing fabric discoloration consisting essentially of a cationic softening agent, preferably a quaternary ammonium softener, and an alkali metal silicate in the weight ratio of 4:3 to 4:1 of cationic:silicate.

Abstract: A composition for the treatment of fibrous materials which has the average molecular formula represented by the structure (I),r(nhconr'r'').sub.x (NHCOSO.sub.3.sup.- M.sup.+).sub.Y (I)where R is an organic radical, containing at least 6 carbon atoms; R' is an alkyl or aryl radical which may or may not contain substituents; R" is either hydrogen or an alkyl radical; x and y are each greater than zero and x + y .gtoreq.2; M.sup.+ is a monovalent cation or one equivalent of a polyvalent cation such that there is electrical neutrality in the molecule; and the molecular weight, as represented by the formula (I), is in excess of 500.

Abstract: Disclosed are compositions comprising a textile treating resin and a novel copolymer of a maleic-anhydride copolymer and a fatty acid amine and an aminoorgano-polysiloxane. Said compositions are useful for increasing the water and oil repellency of substrates such as textiles, paper, leather and the like.

Abstract: The present invention provides compositions for treating cellulosic materials, and in particular for sizing paper or waterproofing textiles containing as active ingredient a cyclic imide N-substituted by an hydrophobic acyl group and at least 10% by weight based on the cyclic imide of an aliphatic acid. Preferred acids contain from 14 to 26 carbon atoms and are preferably saturated monobasic acids. Preferably the compositions contain from 25 to 125% by weight of aliphatic acid based on the cyclic imide. The compositions are suitable for sizing aqueous paper pulp, and especially bleached sulphate pulp.

Abstract: Cellulosic textiles are impregnated with an aqueous solution containing a methylol crosslinking reagent and either a half amide of a 1,2- or 1,3-dicarboxylic acid or a half ammonium, sodium, or potassium salt of a 1,2- or 1,3-dicarboxylic acid. After the impregnated textiles are cured, they have high levels of crosslinking as indicated by high resilience and high levels of acidic groups as indicated by basic dye adsorption and the ability to form new, permanent creases when pressed at high temperatures.

Abstract: The present invention relates to a process for sizing cellulose fibers or cellulose fiber containing materials and to a composition for carrying out the process. More particularly the invention relates to a process for sizing according to which cellulose fibers or cellulose fiber containing materials in a manner known per se are brought into contact with compounds having the general formula ##STR1## WHEREIN R.sub.1 is an organic, hydrophobic group having 8 to 40 carbon atoms and R.sub.2 is an alkyl group having 1 to 7 carbon atoms or has the same meaning as R.sub.1.

Abstract: A process for increasing the water-absorbency of cellulose-containing materials by graft-copolymerizing onto said material a vinyl monomer containing a hydrophilic group and treating the graft-copolymerized material with a decrystallizing agent for cellulose.

Abstract: Amine oxides of the formula R.sup.1 R.sup.2 R.sup.3 N.fwdarw.O, in which R.sup.1 is medium- to long-chain alkyl, R.sup.2 is short- to long-chain alkyl or polyethyleneglycol, R.sup.3 is short chain alkyl or polyethyleneglycol, with the provisos that the polyethylene glycol groups together have not more than 10 glycol units, and that R.sup.3 is polyglycol if R.sup.2 is medium- to long-chain alkyl, are useful as antistatic agents in lubricating agents for synthetic fibers. The amine oxides are distinguished by a good thermal stability, are low-volatile, non-corrosive, compatible with usual lubricating agents and soluble in aqueous and oily lubricating compositions.

Abstract: Durable-press properties are imparted to cotton containing fabrics with reduced losses in strength and abrasion resistance by a process which includes (1) application of a solution containing a methylolated urea modified polyethylenimine alone or in combination with other crosslinking agents and a crosslinking catalyst, (2) drying the impregnated fabrics, and (3) curing at elevated temperatures.

Abstract: Disclosed are brominated azido fire-retardants having the formula(Br).sub.x --R--[(R').sub.n --A].sub.ywhere R is an organic radical; R' is selected from ##STR1## where R" is selected from alkylene, cycloalkylene, alkylene cycloalkylene, arylene, alkylene arylene, and the foregoing radicals with bromo substituents, and b is an integer from 1 to 10; A is selected from ##STR2## and --SO.sub.2 N.sub.3 where z is 0 or 1; x is at least 3; n is 0 or 1; and y is an integer from 1 to 100. Also disclosed is the process of preparing fire-retardant natural and synthetic fibers and films which comprises contacting the surface of said fiber or film with a brominated azido fire-retardant and initiating reaction of the fire-retardant with the fiber or film by heat or irradiation.

Abstract: A fibrous material consisting of cellulosic or other natural fiber, synthetic fibers, or blends of various fibers is treated with an aqueous reagent system having a pH above 3.6 that is comprised of one or more carboxyl-containing vinyl monomers, a free-radical initiator, and a suitable base to adjust the pH. Comonomers and water-soluble di- or polyfunctional vinyl monomers may be included. Polymerization is conducted at elevated temperature in an atmosphere in which air may be diluted by steam and/or steam-nitrogen. The polymer is durably fixed to the fibrous substrate and contributes various special performance properties thereto.

Abstract: The present invention provides compositions for treating cellulosic materials, and in particular for sizing paper or waterproofing textiles with a reactive agent. The reactive agent is a cyclic imide substituted by an aliphatic hydrophobic group and N-substituted by an electron-withdrawing group. Preferably, the composition contains a non-aromatic cyclic imide N-substituted by a long chain acyl group, e.g. N-stearoyl-4-cyclohexene-1,2-dicarboximide. Aqueous emulsions of the imides preferably contain a retention aid such as acrylamides and may be used particularly suitably to size aqueous paper pulp even under mildly alkaline conditions.

Abstract: Mixtures of methylolalkyl ureas containing higher alkyl radicals and their butyl ethers, a process for their manufacture, and their use as softening agents for cellulose fibers. This application discloses and claims subject matter described in German Patent Application P 23 20 302.3, filed Apr. 21, 1973, which is incorporated herein by reference.

Abstract: Disclosed are epoxy-azido compounds of the formula ##EQU1## WHERE R is a polyvalent organic radical, R' is a hydrogen, alkyl, cycloalkyl, aryl, or aralkyl radical, A is ##EQU2## and n and m are integers from 1 to 100. Also disclosed is the use of said epoxy-azido compounds in modifying polymers, cross-linking polymers, and adhering polymers to certain substrates, e.g. glass and other polymers.

Abstract: An improvement in a process for imparting flame retardant properties to textile materials by reacting the textile materials with phosphorus-containing compounds or salts thereof and aftertreating the textile material with a salt of a heavy metal is disclosed. In the improved process, the phosphorus-containing compounds are applied in correlation with antimony oxide and a polymeric halogen-containing material. Reduced amounts of phosphorus may be affixed on the textile material (thus substantially reducing fabric shrinkage during processing) without substantially adversely affecting the flame retardant properties of the treated material. Titanyl sulfate is utilized as the heavy metal salt. In addition, the treatment is applicable to cellulosic fibers, e.g., cotton or rayon, as well as to wool, silk and other natural and man-made fibers or blends of these fibers.

Abstract: The present invention relates to a composition for the sizing of materials containing cellulosic fibers (e.g. paper) by the use of carbamoyl chlorides.

Abstract: Disclosed are brominated azido fire-retardants having the formula(Br).sub.x --R--[(R').sub.n --A].sub.yWhere R is an organic radical; R' is selected from ##EQU1##--O(R"-O).sub.b --R"--, ##EQU2## where R" is selected from alkylene, cycloalkylene, alkylene cycloalkylene, arylene, alkylene arylene, and the foregoing radicals with bromo substituents, and b is an integer from 1 to 10; A is selected from ##EQU3## and --SO.sub.2 N.sub.3 where z is 0 or 1; x is at least 3; n is 0 or 1; and y is an integer from 1 to 100. Also disclosed is the process of preparing fire-retardant natural and synthetic fibers and films which comprises contacting the surface of said fiber or film with a brominated azido fire-retardant and initiating reaction of the fire-retardant with the fiber or film by heat or irradiation.

Abstract: A method is disclosed for producing cellulosic and/or polynosic fibres hag flame-resisting properties, the improvement consisting in the fact that a composite viscose is spun in an acidic bath, said composite viscose being obtained by the association in an aqueous solvent, of cellulose xanthate with a phosphorus and nitrogen compound, dissolved in the same aqueous solvent and capable of being converted, while cellulose is being regenerated in said acidic bath, into a state of substantial insolubility. The phosphorus and nitrogen compound is a compound obtained by reacting a phosphonium derivative with aminoacids and amines and/or ammonia. A preferred compound is tetrakis-hydroxymethylphosphonium chloride. By so doing, an efficient flame-retarding protection is obtained for the fibre without sacrificing the physical properties thereof. Critical quantities, reaction conditions and test results are reported.

Abstract: Hexamethyl phosphorous triamide is reacted with cotton cellulose, thereby imparting flame retardancy and cationexchange properties to the cellulose.

Abstract: The present invention relates to a process for sizing cellulose fibers or cellulose fiber containing materials and a composition for carrying out the process. According to the process the time for developing full sizing effect of ketene dimers and carbamoyl chlorides is reduced by carrying out sizing in the presence of a chloroformate or an isocyanate. The composition for carrying out the process comprises of a paper sizing composition containing the sizing agents mentioned above in combination with a chloroformate or an isocyanate.