Abstract: Complexes of copper and/or zinc with hydrolyzed olefin/maleic anhydride copolymers were solubilized in ammoniacal solution providing preservative solutions that fully penetrate wood. With loss of the ammonia from the wood, the complexes were stably retained in the wood providing a long lasting preservative.

Abstract: In at least one embodiment, the present invention relates to a stain resistant, water resistant and water repellant treated textile fabric that can be prepared by a) selecting an untreated textile fabric having a first side and a second side, b) topically treating the untreated fabric with an aqueous primary treatment composition comprising a fluorochemical textile treating agent, c) drying and curing the topically treated fabric to obtain a primarily treated fabric, d) securing at least one polymeric film to one side of the fabric, e) providing a polymeric coating on the polymeric film comprising an aqueous secondary treatment composition comprising a fluorochemical textile treating agent, f) applying flock onto the polymeric coating, and g) drying and curing the polymeric coating to obtain a secondary treated fabric.

Abstract: The present invention relates to a crosslinked aqueous solution polymer composition consisting of about 15 wt-% to about 50 wt-% of at least one water soluble monomer, preferably an alpha, beta-ethylenically unsaturated carboxylic acid monomer and a crosslinking agent. The polymer solution is sufficiently low enough in viscosity such that it can be applied in aqueous form, yet after crosslinking possesses a fast rate of acquisition and is high absorption capacity. The invention also relates to new methods of enhancing the absorbency of various articles, increasing the humectancy and/or absorbency of a fiber or fibrous matrix, improving the water retention of soil and other agricultural methods, and increasing the open time of cement by incorporating or applying an aqueous superabsorbent polymer composition.

Abstract: Disclosed are coated fiber-containing articles, including paper, paperboard, and molded fiber, and methods for preparing such articles. A preferred method comprises heating paperboard containing a polymeric binder to a temperature sufficient to remove at least some moisture from the paperboard; applying an aqueous dispersion or solution of at least one water-dispersible or water-soluble polymer to the paperboard product; heating the paperboard to at least partially cure the water-dispersible or water-soluble polymer; and cooling the paperboard to at least 160° F. to reduce the tackiness of the cured water-dispersible polymer.

Abstract: Coating compositions comprising a polymer and an initiator are disclosed. The polymer comprises an alkyd portion and a free radical curable portion that is pendant from the alkyd portion; the alkyd portion includes one or more fatty acid moieties that can be derived from one or more drying, semi-drying or nondrying oils. When drying or semi-drying oils are used, the molecules of the present invention exhibit a dual cure, both oxidative and free radical. The compositions are particularly suitable for coating substrates comprising wood. Methods for using the present compositions are also disclosed.

Abstract: The process described herein presents a unique method and means of manufacturing medium density fibreboard (MDF) using agricultural plant stalks. The plant stalks are first depithed. The stalks are then broken down into fiber-like threads and made into fiber bundles. These fiber bundles are then combined with a resin component and a wax component, and the resulting mixture is cured. The MDF is economical to manufacture than prior art fibreboard in that it does not necessitate the use of expensive MDI resin. Further, the fibreboard is environmentally friendly in that it provides a beneficial use for agricultural waste.

Abstract: A finishing composition containing a nonionic hydrophilic macromolecule can replace wax in sizing while providing lubrication to yarns during weaving. Softer yarns and fabrics are obtained than with conventional sized yarns while also providing improved adhesion and dyeability.

Abstract: The present invention relates to water soluble radiation activatable polymer resin formulations which are suitable to modify the absorption properties of fibrous materials and the polymer obtained by such radiation activatable polymer resins and the method of preparing such polymer. Fibrous materials made with radiation activatable resin formulations according to this invention are especially suitable for use in disposable absorbent articles.

Abstract: A method of making an absorbent structure having high integrity is provided. A first superabsorbent polymer precursor composition including a monomer, a crosslinking agent and a reducing agent, and a second superabsorbent polymer precursor composition including a monomer, a crosslinking agent and an oxidizing agent are combined at a plurality of discrete, spaced-apart locations on or in a substrate. The precursor compositions react with each other to form discrete, spaced-apart microdomains of superabsorbent polymer adhering to the substrate. The spacing is sufficient to avoid gel blocking when the microdomains swell due to liquid absorption. The adhesion to the substrate is sufficient to maintain spacings between the microdomains of superabsorbent polymer.

Abstract: A formulation, and a process for making same, is disclosed which is useful as a coating or treatment for imparting oil and grease resistance to an underlying substrate. The formulation does not contain any fluorochemicals. At the same time, however, the formulation provides oil and grease resistance properties that are equivalent to known coatings and treatments which contain fluorochemicals, particularly those coatings which are permitted to come into direct contact with food products. Therefore, the formulation of the present invention is ideal for use as a coating for paper and paperboard, including paper packaging such as that utilized in food wrappers, food containers, food receptacles and the like, and for other shaped articles. The formulation is also useful as a coating or treatment for providing release properties to an underlying substrate without the use of silicone.

Abstract: Coating compositions comprising a polymer and an initiator are disclosed. The polymer comprises an alkyd, portion and a free radical curable portion that is pendant from the alkyd portion; the alkyd portion includes one or more fatty acid moieties that can be derived from one or more drying, semi-drying or nondrying oils. When drying or semi-drying oils are used, the molecules of the present invention exhibit a dual cure, both oxidative and free radical. The compositions are particularly suitable for coating substrates comprising wood. Methods for using the present compositions are also disclosed.

Abstract: Novel textile finishing compositions for finishing textile articles are provided via the present invention. The textile finishing compositions disclosed herein comprise a cross-linking agent and a catalytic amount of an esterification agent. The cross-linking agents employed herein are selected from polycarboxylates such as homopolymers of ethylenically-?,?-unsaturated dicarboxylates, copolymers of all ethylenically-?,?-unsaturated dicarboxylates, and copolymers of ethylenically-?,?-unsaturated dicarboxylates polymerized with vinyl-containing monomers. Also provided via the present invention are methods for applying the aforementioned finishing compositions to textile articles.

Abstract: A process for making an absorbent fibrous web composite including a stable, controllable dispersion of superabsorbent polymer is provided. A pre-formed web, desirably including cellulose fibers and, optionally, thermoplastic fibers is provided. First and second superabsorbent polymer precursor compositions are added to the fibrous web using separate streams. The first and second superabsorbent polymer precursor compositions combine with each other and chemically react on or in the fibrous web, to form a superabsorbent polymer which sticks to the surface of the fibrous web.

Abstract: A process for forming an absorbent fibrous web composite includes the initial step of forming a fibrous web from hydrophilic fibers and, optionally, thermoplastic fibers. Then, a superabsorbent polymer is completely formed in situ on or in the fibrous web by adding one or more superabsorbent polymer precursor compositions to the fibrous web using a non-contact process, and performing the polymerization reaction(s) completely on or in the web.

Abstract: A fabric having good wrinkle resistance and a soft hand is described. A process for producing the fabric is also described. The process involves applying a softener to one side of the fabric and applying a wrinkle-reducing resin to the opposite side of the fabric using a foaming application method, such that the respective finishes are concentrated on the surface to which they were applied. Preferably, the softener is applied to the face of the fabric and the resin chemistry is applied to the back of the fabric. The resulting fabrics have hand characteristics comparable or superior to those of pure finished fabrics, while having wrinkle-resisting characteristics of typical resin-treated fabrics.

Abstract: A post mill or post manufacturing process for reducing wrinkle and crease problems in fabric articles is provided. The process involves the domestic or commercial laundry application of a phosphonate- and phosphinate-containing polycarboxylate cross-linking agent followed by at least partial curing of the cross-linking agent via the application of heat to the article. The present invention also includes an article of manufacture or product comprising the treatment composition, at least one container for the treatment composition and accompanying text instructing the user of the product on application of the treatment.

Abstract: Waxes prepared from hydrogenated plant oils, such as palm and soybean, are used to render cellulosic materials resistant to water. Unlike cellulosic materials rendered water resistant with waxes obtained using petroleum-derived or synthetic waxes, the water resistant cellulosic materials prepared using this composition are recyclable using conventional paper recycling methods; the composition is dispersible in warm water solutions. Such water resistant materials are characterized by enhanced moisture barrier properties. The compositions have a low iodine value (between 2-5), and melting points between approximately 120-165 degrees F. (Mettler Drop Point). The wax comprises a triglyceride whose fatty acids are predominantly stearic acid (C18). The composition is used as an additive in the manufacture of wax coated boxes and adhesive compounds used in boxboard packaging and manufacturing operations.

Abstract: The invention relates to a method of producing an interior fitment for motor vehicles, the interior fitment having on its facing side a wood molding which is provided with a coating. In order to impart a substantially natural impression to the interior fitment, the invention proposes applying to the wood molding a coating material based on vegetable-oil-modified resins and natural vegetable oils, with the addition to the coating material of ceramic microparticles. Likewise proposed is an interior fitment produced preferably by this method.

Abstract: The present invention relates to use of an alkylhydroxyalkyl cellulose, which has alkyl groups having 1-3 carbon atoms and hydroxyalkyl groups having 2-3 carbon atoms, is free from hydrophobically modifying alkyl groups having at least 4 carbon atoms and has a turbidity point of 50-95° C. The amount of carboxymethyl cellulose constitutes up to 1200 percent by weight of the amount of alkylhydroxyalkyl cellulose. An aqueous coating composition containing a combination of alkylhydroxyethyl cellulose and carboxymethyl cellulose is also described.

Abstract: A process for producing hydrophobic cotton fabric useful as material for forming a wide variety of useful articles. The process includes the steps of (1) bleaching the cotton fabric with a suitable optical whitener; (2) affixing the fabric to a conveying machine; (3) applying approximately 7 lbs. of water resistance substance for each approximately 100 lbs. of fabric by conveying the fabric through a pad bath; (4) conveying the fabric through a tenter frame machine having a heating chamber set a approximately 340° F.; (4) conveying the treated fabric through the heating chamber at a speed of approximately 17 yards per minute; (5) repeating step 4 a second time to effect curing of the chemicals thereby resulting in a water-resistant cotton fabric. Alternate methods are disclosed for treating fabric with various antimicrobial, antifungal, anti-odor and/or anti-stain substances.

Abstract: A method for treating a cellulose-containing substrate is provided in the present invention, the method comprising contacting a silicone composition comprising at least one polysiloxane or silicone resin containing at least one functional group comprising at least one dialkylacetal group, at least one anhydride group, at least one reactive group, or combinations thereof with the cellulose-containing substrate; and curing the silicone composition on the cellulose-containing substrate at a temperature in a range between about 25° C. and about 200° C. A further embodiment of the present invention includes a formulation containing the aforementioned silicone composition.

Abstract: The present invention provides a method of coating a packaging container with a coating composition having crosslinkable polyester-polyurethane polymer with at least two carbamate sites, and a crosslinker. The method includes coating a generally planar substrate with the coating composition, curing and forming a container or a portion of a container. The present invention also provides a coating composition and coated substrates.

Abstract: A method and apparatus for applying a fluid preservative to wood or wood products has a work tank for maintaining a predetermined concentration of preservative in the fluid. The work tank is equipped with a heater to keep the temperature of the fluid and the preservative in the work tank at a predetermined level. Hot fluid and preservative is drawn under a vacuum, initially from the work tank. On filling a pressure vessel, a pressure pump then supplies the preservative and fluid mixture under pressure to the pressure vessel in which the wood or wood product is being treated. As the treatment process depletes the preservative in the fluid, through absorption in the wood, the depleted fluid is circulated back to the work tank where it is heated and more preservative is added to restore the concentration of preservative in the fluid to a desired level. The fluid, replenished with preservative, is then pumped into the pressure vessel.

Abstract: An improvement in the process for the production of articles from lignocellulosic material and a formaldehyde based resin binder comprising the step of treating the lignocellulosic material prior to combining it with the binder by exposing the lignocellulosic material to an acidic environment.

Abstract: The present invention provides a method of preparation for a degradable, water and oil resistant protective membrane. In the said method, carbon dioxide copolymer is dissolved in a low toxic or non-toxic solvent to form a solution of 3-6 wt % concentration. After standing and filtration to remove metal oxide, the solution is used to coat the surface of the fabricated starch, paper pulp, or straw tableware by spraying or dipping. The residual solvent is removed by drying process and a degradable, water and oil resistant and transparent protective membrane is obtained. The thickness of the protective membrane is in the range of 10-20 micrometer. Metal ion content is lower than 1 ppm. No leakage and deformation of the tableware are observed after the tableware is immerged in water or edible oil for 4 hours at 80° C. The decoloration test by cold edible oil and ethanol is negative. Fungus test gives grade V.

Abstract: A composite porous structure capable of absorbing organic pollutants from water is produced by preparing a dispersion of non film-forming PVC particles in a water-soluble organic liquid, impregnating a macroporous matrix such as a cellulosic sponge or paper with the dispersion, and curing the impregnated matrix by heating to achieve sintering of the PVC particles to produce a microporous substrate which is retained within the macroporous matrix.

Abstract: A method for manufacturing reinforced oriented strand boards includes steps of injecting melamine-formaldehyde resin or phenol-formaldehyde resin in finished oriented stand boards, of heating and pressing them to let the resin harden. As strands of woods of the originally oriented strand boards cannot completely closely bonded together, with many gaps remained, so injected resin can fill up those gaps and filtrate and wrap the strand woods to make the whole oriented strand boards having reinforced strength and fire-resistant property as well.

Abstract: Processes for the preparation of adherent polyvinylidene fluoride, hexafluoropropylene coatings on objects and for the direct production of open celled foams from a polymer latex without a need for any blowing agent.

Abstract: A fiber structure comprising cellulose fibers crosslinked by using a crosslinking agent and synthetic fibers, characterized in that the crosslinking index represented by the following formula of the cellulose fibers is in a range of 1 to 4, and that the synthetic fibers contain an antimicrobial agent having an inorganic value/organic value ratio of 0.3 to 1.4. This structure has antimicrobial property excellent in industrial washing durability and also has shape stability such as crease resistance and shrinkage resistance. Crosslinking index=A−B where A is the coefficient of moisture absorption of the fiber structure after crosslinking in an atmosphere of 30° C. and 90% RH (%), and B is the coefficient of moisture absorption of the fiber structure after crosslinking in an atmosphere of 20° C. and 65% RH (%).

Abstract: A composite contains substrate fibers, and an activated organic coating, on the substrate fibers. The activated organic coating is formed at a low temperature, making possible the use of substrate fibers have a softening or decomposition temperature of at most 500° C.

Abstract: The invention provides a method of treating of a substrate by contacting the substrate with a fluorochemical composition that comprises a condensation product of a di- or tri-isocyanate and at least one polyether, the polyether being obtained as the reaction product of a fluorochemical substituted epoxide. Substrates treated in accordance with the invention have good stain release properties, particularly to oil stains or tea stains, so stains can be more easily removed from the treated substrate in a laundering procedure.

Abstract: The bleeding of lignosulfonates from lignosulfonate-treated substrates when contacted under humid conditions is reduced by rendering the lignosulfonates water-insoluble via reacting them with an amine polymer-epichlorohydrin adduct containing at least one quaternary ammonium group under acidic conditions.

Abstract: The present invention comprises an aqueous emulsion for imparting oil and water repellency to textiles prepared by polymerizing a mixture of monomers (a), (b) and (c) as follows: (a) 70-90% polymer chain units derived from a mixture of monomers of the formula: Rf—Q—A—C(O)—C(R)═CH2  wherein Rf is a straight or branched-chain perfluoroalkyl group containing from 2 to about 20 carbon atoms; R is H or CH3; A is O, S, or N(R′); Q is alkylene of 1 to 15 carbon atoms, hydroxyalkylene of 3 to 15 carbon atoms, —(CnH2n)(OCqH2q)m—, —SO2—NR′(CnH2n)—, or —CONR′(CnH2n)—, wherein R′ is H or alkyl of 1 to about 4 carbon atoms, n is 1 to about 15, q is 2 to about 4, and m is 1 to about 15; (b) 5-25% monomer chain units derived from a long-chain alkyl (meth)acrylate of the formula: R″—O—C(O)—C(R)═CH2  wherein R″ is an alkyl group of about 12 to about 24 carbons and R is H or CH3; (c

Abstract: This invention relates to a dual crosslinkable polymer/crosslinking system particularly suited for use in preparing high quality nonwoven products. The polymeric binders incorporate at least two different but reactive functionalities, i.e., hydroxy and carboxyl, and which are capable of reacting with two other multifunctional reactants, i.e., polyaldehydes and aziridines, each of which reacts with at least one of the functionalities present in the polymer. This selection of reactive functionality coupled with the selection of crosslinking agents permits ambient temperature cure.

Abstract: A process of preparing an oxygen barrier coating using a compound of the general formula RaX3−aSi—Z—SiX3−aRa wherein Z is R′NH(R′NH)pR′, each R is selected from the group consisting of a hydrogen atom and a hydrocarbon group, each X is selected from the group consisting of an alkoxy group with 1 to 4 carbon atoms, a halogen atom, an oxime group or an acyloxy group, each R′ is a divalent hydrocarbon group having 1 to 12 carbon atoms; a is from 0 to 3 and p is 0 or 1. The invention further comprises compositions incorporating the above compound. Coatings prepared may be used in packaging applications as a top coat, or a primer for further coatings.

Abstract: In a method and apparatus for sizing a yarn sheet, the yarn sheet is passed over rollers through a wetting unit and a following roller nip that reduces the moisture content to a selected level. The wetted yarn sheet then passes through a sizing unit and over rollers forming a nip to reduce the sizing content to a desired level. The rollers of the wetting unit and the rollers of the sizing unit are in close proximity to minimize the reach of the yarn sheet there between and thereby minimize the heat loss in the yarn sheet. The reach is covered by a cover having a heater that extends over the yarn sheet reach to maintain the yarn sheet at a desired temperature as it enters the sizing unit. The temperature of the wetting agent bath in the wetting unit is 65°-95° C., with the temperature of the wetting agent being approximately 5°-10° C. higher than the temperature of the sizing agent bath.

Abstract: The invention is high temperature emulsion composition comprising borax and a substantially water-insoluble polymer prepared by aqueous suspension polymerizing a blend of monomers, said blend comprising a plasticizing amount by weight of at least one plasticizing alkyl acrylate monomer, a hardening amount by weight of at least one hardening alkyl acrylate monomer and a crosslinking amount by weight of at least one multi-ethylenically unsaturated monomer, in an aqueous suspension comprising a water-soluble polymer component comprising at least one acrylic polymer having carboxylate functionality, its method of use and coated substrates made therewith.

Abstract: A method of manufacturing a finished product from a length of a lignocellulosic material, such as a length of solid wood or chip board, includes the steps of impregnating the length of lignocellulosic material through its depth with an impregnating composition comprising a mineral oil, a non-aqueous solvent for the material oil such as dichloromethane or super critical carbon dioxide, and a thermosetting resin and, if necessary, a catalyst therefore dissolved in the mineral oil and solvent. Thereafter, the non-aqueous solvent is removed and the product is subjected to an elevated temperature to polymerize the thermosetting resin to bind the mineral oil into the lignocellulosic material.

Abstract: The strength of lignocellulosic materials is improved by treating them with water-soluble strengthening agents containing sulfonic units, and rendering these agents water-insoluble by reacting them with compounds containing epoxide rings and quaternary ammonium groups. Thus, a substantial reduction or elimination of the bleeding of said strengthening agents from the lignocellulosic materials when touched with wet hands or contacted under humid conditions is achieved.

Abstract: A process for making paper with increased wet and dry strength by incorporating into the pulp suspension an ionic thermosettable resin which is the reaction product of dialdehyde and epihalohydrin, or epihalohydrin equivalent, with a copolymer containing monomer units derived by polymerization of monomers comprising acrylamide or alkyl-substituted acrylamide and diallylamine or an acid salt thereof. The paper has wet and dry strength greater than that of paper not containing the resin and has a higher repulpability index than wet strength paper that is essentially the same but contains conventional polyazetidinium ion containing wet strength resin instead of the ionic thermosettable resin.

Abstract: A surface treatment method for imparting -oil- and/or water-repellency, comprising the step of applying to the surface to be treated compositions comprising at least one compound having the formula III ACF2O—(CF2O)n(C2F4O)m—CF2—B  III where n=1-20, m=1-20 and A and B are reactive functional groups chosen independently from the group constituted by: a) CONHR, where R=CnH2n+1 with n=1-30, b) CH2OH, c) CONH(X)SiR1n(OR′)3−n, where n=0-2, R1 and R′, identical or different, are CrH2r+1 alkyl radicals, where r=1-4, and X is a bifunctional alkyl spacer of the (CHR″)m type, where m=1-20, and R″ can be H or CH3, optionally containing heteroatoms, d) —[CH2O(R′″O)p]k—P(O)(OH)3−k, where R′″ is an alkylene radical, for example C2H4 or C3H6, p=1-10 and k=1, 2, the composition comprising the compound at a suitable concentration and being a

Abstract: A thermoplastic compound useful in filling pores and voids in wooden materials, particularly edge regions, wherein the thermoplastic compound comprises a blend of two copolyesters and optionally fillers, wherein the first copolyester has a melting point of 140° C. to 260° C. and a glass transition temperature of −10° C. to 80° C., and wherein the second copolyester has a melting point of 120° C. to 190° C. and a glass transition temperature of −70° C. to 10° C. Also, a method of filling pores in a wooden material comprising using a thermoplastic compound having a softening point of 140° C. to 200° C., an open time of 2 to 15 seconds, and a viscosity number of 30 to 150 ml/g, with the thermoplastic compound preferably being a blend of two different copolyesters, wherein the application of such thermoplastic compounds enable the surfaces of chipboard panels and the like to be smoothed in a continuous one-pass process.

Abstract: A method of manufacture for an adhesive-based system to removably stick relatively flat articles on large area surfaces. A cured pressure-sensitive adhesive is coated on both sides of a central flat, flexible support scrim in a zoned thickness pattern which includes sufficient, continuous thickness such that the system is well suited to the removable installation of many types of articles having rough surface textures including, but not limited to, floor coverings such as woven and double-backed carpets having backs of a relatively rough texture and unitary backed carpet having a rough latex or polymeric coating and no applied secondary scrim. The adhesive is cured in situ but remains pressure sensitive.

Abstract: A textile binder in the form an aqueous copolymer dispersion or of a copolymer powder obtainable by means of free-radical emulsion polymerization of a) one or more monomers from the group consisting of vinyl esters, esters of acrylic acid and methacrylic acid, vinylaromatics, vinyl halides and alpha-olefins and b) from 0.01 to 10% by weight, based on the overall weight of the copolymer, of one or more monomers b1) from the group consisting of the N-(alkoxymethyl)acrylamides and N-(alkoxymethyl)-methacrylamides or one or more monomers b2) from the group consisting of N-methylolacrylamide and N-methylolmethacrylamide, or mixtures b1) and b2), where as emulsifier(s) from 0.01 to 10% by weight, based on the overall weight of the copolymer, of one or more emulsifiers from the group of the monoesters or diesters of sulfosuccinic acid with linear, unbranched or branched, or cycloaliphatic alcohols, are employed or are added to the aqueous copolymer dispersion after the end of the emulsion polymerization.

Abstract: Superabsorbent polymer compositions comprising a fiber-containing composition derived from cellulosic fibers, synthetic fibers or mixtures thereof which is at least partially coated with a partially acidified, hydrolyzed, internally plasticized, crosslinked, superabsorbing polymers derived from polysuccinimide and processes for preparing same.

Abstract: A method is provided for after-treating fabric with a fluoroacrylate emulsion by spraying or immersion. The immersion can be carried out in a laundering process (preferably in a late cycle of the process) or even under poorly-controlled conditions (e.g. field conditions). The spraying embodiment of this method is useful for treating large, previously manufactured items comprising fabric (e.g. upholstered furniture, tents, awnings, and the like) with an aerosol spray containing micrometer or submicrometer-sized droplets of a diluted version of the fluoroacrylate emulsion. In all embodiments, the fluoroacrylate emulsion contains, dispersed therein with the aid of a surfactant system, essentially a single hydrophobic component comprising a particulate fluoroacrylate copolymer having repeating units of the formulas I and II ##STR1## wherein R.sub.f is a C.sub.8 -rich fluorinated alkyl radical; R and R.sup.1 are hydrogen or alkyl; and R.sup.2 is hydrogen or substituted or unsubstituted alkyl.

Abstract: The present invention relates to an aqueous composition for coating, such as sizing or application of a layer of a coating slip, of cellulose-based two-dimensional products. The composition has improved properties at increased temperatures and at high shear rates. These properties are achieved by using as a thickening agent a cellulose ether which is substituted with hydroxyalkyl groups, such as hydroxyethyl and hydroxypropyl, and alkyl groups having 1-3 carbon atoms, and which has a cloud point in the range from 35 C. to 80 C.

Abstract: A wrinkle-free/wrinkle-resistant cellulosic fiber-containing fabric which retains tensile-, tear- and abrasion-strength due to the reduction of hydrogen bonding in the fabric is obtained by a process which comprises pretreating the fabric with the processes to reduce and control hydrogen bonding in the fabric, and treating a cellulosic fiber-containing fabric with aqueous formaldehyde and a catalyst in liquid form capable of catalyzing the cross-linking reaction between the formaldehyde and cellulose. Such cross-linking is carried out by heat-curing the cellulosic fiber-containing fabric under saturated steam with or without high pressure and/or infrared or far-infrared radiation and/or high frequency (induction) radio waves. Under such conditions the formaldehyde reacts with cellulose in the presence of catalyst with no substantial loss of formaldehyde prior to said reaction so as to improve the wrinkle-free or wrinkle-resistant property of the fabric without substantial strength loss.

Abstract: The present invention concerns a process and a coating color for coating a cellulosic web. According to the process an aqueous coating color is applied on the surface of the web. The invention comprises using a coating color which contains an aqueous polymer whose viscosity in an aqueous solution increases when the temperature rises. Preferably, methylcellulose or a corresponding polymer having a gelling temperature of about 5 to 10 .degree. C. more than the application tempature of the coating color is used. The temperature of the coating is increased after the application of the coating color in order to achieve gelling of the polymer. As a result, the coating color rapidly solidifies which decreases the amount of mixture being recycled and it reduces mist-formation in the film press method and improves coverage of coating applied by conventional blade coating.

Abstract: This invention relates to polymers particularly suited for use in preparing high quality nonwoven products. The binders for the banquet incorporate at least two different but reactive functionalities and which are capable of reacting with two other multifunctional reactants each of which will react with at least one of the functionalities present in the polymer. The two functionalities copolymerized into these backbones include the acetoacetoxy moiety and a carboxylic acid group. The crosslinking is effected by adding a compound capable of reacting and crosslinking the acetoacetoxy moiety and another compound capable of reacting and crosslinking the carboxylic acid functionality. The former can be a dialdehyde such as glyoxal or glutaraldehyde.