EP1178152B1 - Process for providing an anti-slip treatment - Google Patents

Process for providing an anti-slip treatment Download PDF

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Publication number
EP1178152B1
EP1178152B1 EP20010118715 EP01118715A EP1178152B1 EP 1178152 B1 EP1178152 B1 EP 1178152B1 EP 20010118715 EP20010118715 EP 20010118715 EP 01118715 A EP01118715 A EP 01118715A EP 1178152 B1 EP1178152 B1 EP 1178152B1
Authority
EP
European Patent Office
Prior art keywords
polymer
slip
polymer formulation
substrate
vinyl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP20010118715
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German (de)
French (fr)
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EP1178152A1 (en
Inventor
John C. Parsons
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Celanese International Corp
Original Assignee
National Starch and Chemical Investment Holding Corp
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Filing date
Publication date
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Publication of EP1178152A1 publication Critical patent/EP1178152A1/en
Application granted granted Critical
Publication of EP1178152B1 publication Critical patent/EP1178152B1/en
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N3/042—Acrylic polymers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • D06M23/04—Processes in which the treating agent is applied in the form of a foam
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • D06M23/06—Processes in which the treating agent is dispersed in a gas, e.g. aerosols
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • D06M23/16—Processes for the non-uniform application of treating agents, e.g. one-sided treatment; Differential treatment
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0011—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using non-woven fabrics
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2205/00—Condition, form or state of the materials
    • D06N2205/20—Cured materials, e.g. vulcanised, cross-linked
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00—Properties of the materials
    • D06N2209/10—Properties of the materials having mechanical properties
    • D06N2209/106—Roughness, anti-slip, abrasiveness
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/10—Coatings without pigments
    • D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper

Definitions

  • This invention relates to a process for producing an anti-slip treatment on a porous substrate, namely a nonwoven, textile or carpet substrate, by applying a polymer formulation, having a Tg in the range of -60°C to -40°C, to a porous material by spray, foam or print application.
  • An anti-slip surface is one which allows the treated material to remain in place, without exhibiting tackiness or a peel strength.
  • a non-slip surface is imparted to a porous substrate through the application of a surface treatment.
  • US-A-5,786,077 describes the use of colloidal silicas to produce a non-slip surface on paper.
  • US-A-2 187 659 describes the use of an emulsion polymer as a non-slip coating for a non-woven material.
  • the polymer formulation is applied to a flexible web backing, dried, then the dried formulation is foamed in an added step by exposure to steam or irradiation.
  • JP-A 10 053742 discloses a non-slip coating for corrugated box that is a bend of a rubber latex and a synthetic polymer of Tg -10 to 20°C.
  • EP-A-0 549 948 describes a nonabrasive anti-slip coating having a polymer with a Tg of >-30°C and which is blended with microbeads.
  • JP-A 02 032171 describes an emulsion polymer with a Tg of from -22 to +10°C, plus an acrylic emulsion polymer of Tg-20 to +40°C for use as an anti-slip coating for corrugated board case.
  • JP-A 05 033295 describes polymers having a Tg below 0°C mixed with inorganic particles and silicone oil for corrugated sheets or liners.
  • WO 93/22489 discloses a vinyl floor covering having a wear layer of a flexible PVC composition which contains core-shell polymer particles.
  • the Tg of the core polymer is in the range -50°C to 60°C, and the Tg of the shell polymer is in the range 50 to 110°C.
  • a non-slip surface in the context of the present invention, is one having an increase in the static and dynamic coefficient of friction - without being tacky.
  • An increase in non-slip properties should have only a minimal effect of other properties of the porous material, such as fabric hand and air permeability.
  • a nonwoven, textile or carpet material treated by the process of the present invention, has an increased coefficient of friction, and with little or no effect on fabric hand, air permeability, or abrasiveness.
  • the treated nonwoven, textile or carpet material also exhibits no roll blocking, which is adhesion between the plies of a roll that inhibits the ability to unwind the roll for conversion into end-use products.
  • the present invention is directed to a process for providing an anti-slip coating directly deposited on a nonwoven, textile or carpet substrate comprising a) forming a polymer formulation having a Tg of from -60°C to -40°C and b) applying said polymer formulation directly onto a porous substrate by spray, foam or print application to produce at least one anti-slip non-tacky surface.
  • the present invention is also directed to a non-slip nonwoven, textile or carpet substrate made by the process of the present invention and to a product containing said substrate.
  • the process of the present invention involves treating a nonwoven, structure or carpet substrate with a polymer formulation by spray, foam or print application.
  • the formulation works by increasing the friction between the treated substrate and the counter-substrate.
  • the polymer formulation contains a polymer and may also contain additives, including but not limited to, tackifiers, detackifiers, pigments, surfactants, catalysts, and thickeners. Tackifiers and detackifiers may be used to adjust the Tg of the polymer formulation to that useful in the present invention.
  • the polymer formulation has a Tg of from -60°C to -40°C, and preferably from -50°C to -40°C.
  • the Tg of the polymer formulation is selected to be low enough to provide anti-slip properties, while being high enough to avoid excessive tackiness.
  • the polymer useful in the present invention can be either aqueous-based or solvent based.
  • An aqueous-based polymer formulation such as an emulsion, solution, suspension or dispersion, is preferred. Most preferred is a polymer formulation based on an emulsion polymer.
  • Polymers useful in the present invention are those formed from ethylenically unsaturated monomers by processes known in the art.
  • exemplary monomers include, but are not limited to, anhydrides, vinyl esters, alpha-olefins, alkyl esters of acrylic and methacrylic acid, substituted or unsubstituted mono and dialkyl esters of unsaturated dicarboxylic acids, vinyl aromatics, unsubstituted or substituted acrylamides, cyclic monomers, monomers containing alkoxylated side chains, sulfonated monomers, and vinyl amide monomers, A combination of ethylenically unsaturated monomers may also be used.
  • Suitable anhydride monomers are, for example, maleic anhydride and itaconic anhydride.
  • Suitable vinyl esters are, for example, vinyl acetate, vinyl formate, vinyl propionate, vinyl butyrate, vinyl isobutyrate, vinyl valerate, vinyl 2-ethyl-hexanoate, vinyl isooctanoate, vinyl nonanoate, vinyl decanoate, vinyl pivalate, and vinyl versatate.
  • Suitable alkyl esters of acrylic and methacrylic acid are, for example, methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, propyl acrylate, butyl acrylate, pentyl acrylate, hexyl acrylate, and 2-ethyl hexyl acrylate, etc.
  • Suitable substituted or unsubstituted mono and dialkyl esters of unsaturated dicarboxylic acids are, for example, substituted and unsubstituted mono and dibutyl, mono and diethyl maleate esters as well as the corresponding fumarates.
  • vinyl aromatic monomers examples include styrene, 1-vinyl naphthalene, 2-vinyl naphthalene, 3-methyl styrene, 4-propyl styrene, t-butyl styrene, 4-cyclohexyl styrene, 4-dodecyl styrene, 2-ethyl-4-benzyl styrene, 4-(phenylbutyl) styrene, 3-isopropenyl- ⁇ , ⁇ -dimethylbenzyl isocyanate, and halogenated styrenes.
  • Suitable acrylamide based monomers are, for example, acrylamide, N, N-dimethylacrylamide, N-octyl acrylamide, N-methylol acrylamide, dimethylaminoethylacrylate, etc.
  • Suitable cyclic monomers are, for example, vinyl pyrrolidone, vinyl imidazolidone, vinyl pyridine, etc.
  • Suitable sulfonated monomers are, for example, 2-acrylamido-2-methyl propane sulfonic acid, sodium methallyl sufonate, sodium vinyl sulfonate, sulfonated styrene, etc.
  • Suitable vinyl amide monomers are, for example, N-vinyl formamide, N-vinyl acetamide, etc.
  • Preferred polymers of the invention include polymers and copolymers of styrene-butadiene, acrylonitrile, silicones, ethylene-vinyl acetate, polyurethane and acrylic monomers. Acrylic copolymers are most preferred.
  • the polymer is one that can undergo cross-linking during or after film formation. Most preferred is a self-cross-linking polymer.
  • Polymers useful in the present invention have molecular weights in the range of from 5,000 to 5,000,000, and preferably from 10,000 to 2,000,000.
  • the polymer formulation be formulated to minimize penetration into the nonwoven, textile or carpet substrate.
  • a hydrophilic polymer formulation is preferred.
  • the polymer formulation is preferably hydrophobic.
  • the solids level of the formulation may vary, depending on the requirements of the application equipment.
  • the rheology may be adjusted by dilution with water or other solvents, or the addition of a thickener.
  • the polymer formulation is applied to the nonwoven, textile or carpet substrate by print, foam, or spray application.
  • Spray processes in which the polymer formulation is atomized are preferred.
  • the polymer formulation may be sprayed using both air and airless sprays, and with both internal and external air nozzles. Nozzle spray conditions, including pressure, coating density, and spray type are selected based on the equipment employed.
  • the polymer formulation may be applied to the nonwoven, textile or carpet substrate as a wet foam, by means known in the art. Foaming of the formulation may occur by both mechanical and chemical means.
  • Print application is by means of a gravure press in which a transfer roll coats the polymer formulation onto a gravure roll having many cells, the gravure roll then transfers the polymer formulation to the nonwoven, textile or carpet material.
  • the polymer formulation may be used to treat one or both sides of the porous substrate depending on the application. For many applications, the anti-slip treatment is applied to one side only.
  • the polymer formulation is typically applied at from 1 to 100 percent by weight, based on dry weight of polymer to dry substrate. Preferably the polymer formulation is applied at from 5 to 40 percent by weight, and most preferably from 5 to 25 percent by weight, based on dry weight of polymer to dry substrate.
  • the polymer formulation is applied to a nonwoven, textile or carpet substrate.
  • substrates formed by the process of the present invention include, but are not limited to mattress covers, surgical shoe covers, surgical towels, table covers, placemats, apparel interlining, food packaging liners, synthetic leather, facings, carriers and wall coverings.
  • the coating is dried. Drying may occur at room temperature, or may be accelerated at elevated temperatures.
  • nonwoven, textile or carpet materials produced by the process of the present invention preferably possess breathability.
  • Breathablility measured by air permeability means that the treatment has coated the nonwoven, textile or carpet material, while allowing most of the pores to remain open.
  • a 30 gsm spunbond-melt blown nonwoven material was treated with a self-crosslinking acrylic copolymer emulsion having a Tg of -42°C, as measured by DSC.
  • the emulsion was diluted to 30% solids and applied to the non-woven material by spraying, printing and foam coating.
  • the material was then dried at 121°C for two minutes.
  • the basis weight (BW) is the fabric weight in grams used per square meter of the substrate.
  • the coefficient of friction (CoF) indicates the force in grams required to pull a 5.1 x 5.1 cm piece of the nonwoven across a cotton woven textile while under downward force of 200 grams as per ASTM D 1894 - 78.
  • Air permeability was measured using Frazier Air Permeability IST 70.1-92.
  • Sample 1 is the untreated nonwoven, used as a comparative.
  • Sample 2 is for the nonwoven material treated with the polymer formulation as a liquid foam.
  • the acrylic copolymer was formulated with 2% solids-on-solids ammonium stearate and wisking to a froth via air incorporation.
  • the foam was metered onto the substrate.
  • Sample 3 is the non-woven treated with the polymer formulation by means of a gravure print. Printing was done by viscosifying the polymer formulation to 400 mPas (400 cps) with 0.2% solids-on-solids hydroxyethyl cellulose. A 45 Quadrill gravure cylinder was used to apply the print pattern.
  • Sample 4 is the non-woven treated with the polymer formulation by means of a spray. Spraying was performed using a spray nozzle, with an orifice of 0.066 cm (0.026") at 2.8 kg/cm 2 (40 psi) air and 1.4 kg/cm 2 (20 psi) liquid.

Description

  • This invention relates to a process for producing an anti-slip treatment on a porous substrate, namely a nonwoven, textile or carpet substrate, by applying a polymer formulation, having a Tg in the range of -60°C to -40°C, to a porous material by spray, foam or print application.
  • In many applications it is desirable for a porous material to exhibit anti-slip properties. An anti-slip surface is one which allows the treated material to remain in place, without exhibiting tackiness or a peel strength. A non-slip surface is imparted to a porous substrate through the application of a surface treatment.
  • US-A-5,786,077 describes the use of colloidal silicas to produce a non-slip surface on paper.
  • US-A-2 187 659 describes the use of an emulsion polymer as a non-slip coating for a non-woven material. The polymer formulation is applied to a flexible web backing, dried, then the dried formulation is foamed in an added step by exposure to steam or irradiation.
  • JP-A 10 053742 discloses a non-slip coating for corrugated box that is a bend of a rubber latex and a synthetic polymer of Tg -10 to 20°C.
  • EP-A-0 549 948 describes a nonabrasive anti-slip coating having a polymer with a Tg of >-30°C and which is blended with microbeads.
  • JP-A 02 032171 describes an emulsion polymer with a Tg of from -22 to +10°C, plus an acrylic emulsion polymer of Tg-20 to +40°C for use as an anti-slip coating for corrugated board case.
  • JP-A 05 033295 describes polymers having a Tg below 0°C mixed with inorganic particles and silicone oil for corrugated sheets or liners.
  • WO 93/22489 discloses a vinyl floor covering having a wear layer of a flexible PVC composition which contains core-shell polymer particles. The Tg of the core polymer is in the range -50°C to 60°C, and the Tg of the shell polymer is in the range 50 to 110°C.
  • The problem with non-slip treatments produced by other processes is that they either fail to provide an adequate grip, or else are too tacky to the touch. A non-slip surface, in the context of the present invention, is one having an increase in the static and dynamic coefficient of friction - without being tacky. An increase in non-slip properties should have only a minimal effect of other properties of the porous material, such as fabric hand and air permeability.
  • Surprisingly it has been found that a nonwoven, textile or carpet material, treated by the process of the present invention, has an increased coefficient of friction, and with little or no effect on fabric hand, air permeability, or abrasiveness. The treated nonwoven, textile or carpet material also exhibits no roll blocking, which is adhesion between the plies of a roll that inhibits the ability to unwind the roll for conversion into end-use products.
  • Accordingly the present invention is directed to a process for providing an anti-slip coating directly deposited on a nonwoven, textile or carpet substrate comprising a) forming a polymer formulation having a Tg of from -60°C to -40°C and b) applying said polymer formulation directly onto a porous substrate by spray, foam or print application to produce at least one anti-slip non-tacky surface. The present invention is also directed to a non-slip nonwoven, textile or carpet substrate made by the process of the present invention and to a product containing said substrate.
  • The process of the present invention involves treating a nonwoven, structure or carpet substrate with a polymer formulation by spray, foam or print application. The formulation works by increasing the friction between the treated substrate and the counter-substrate.
  • The polymer formulation contains a polymer and may also contain additives, including but not limited to, tackifiers, detackifiers, pigments, surfactants, catalysts, and thickeners. Tackifiers and detackifiers may be used to adjust the Tg of the polymer formulation to that useful in the present invention. The polymer formulation has a Tg of from -60°C to -40°C, and preferably from
    -50°C to -40°C. The Tg of the polymer formulation is selected to be low enough to provide anti-slip properties, while being high enough to avoid excessive tackiness.
  • The polymer useful in the present invention can be either aqueous-based or solvent based. An aqueous-based polymer formulation, such as an emulsion, solution, suspension or dispersion, is preferred. Most preferred is a polymer formulation based on an emulsion polymer.
  • Polymers useful in the present invention are those formed from ethylenically unsaturated monomers by processes known in the art. Exemplary monomers include, but are not limited to, anhydrides, vinyl esters, alpha-olefins, alkyl esters of acrylic and methacrylic acid, substituted or unsubstituted mono and dialkyl esters of unsaturated dicarboxylic acids, vinyl aromatics, unsubstituted or substituted acrylamides, cyclic monomers, monomers containing alkoxylated side chains, sulfonated monomers, and vinyl amide monomers, A combination of ethylenically unsaturated monomers may also be used.
  • Suitable anhydride monomers are, for example, maleic anhydride and itaconic anhydride. Suitable vinyl esters are, for example, vinyl acetate, vinyl formate, vinyl propionate, vinyl butyrate, vinyl isobutyrate, vinyl valerate, vinyl 2-ethyl-hexanoate, vinyl isooctanoate, vinyl nonanoate, vinyl decanoate, vinyl pivalate, and vinyl versatate. Suitable alkyl esters of acrylic and methacrylic acid are, for example, methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, propyl acrylate, butyl acrylate, pentyl acrylate, hexyl acrylate, and 2-ethyl hexyl acrylate, etc. Suitable substituted or unsubstituted mono and dialkyl esters of unsaturated dicarboxylic acids are, for example, substituted and unsubstituted mono and dibutyl, mono and diethyl maleate esters as well as the corresponding fumarates. Examples of vinyl aromatic monomers are styrene, 1-vinyl naphthalene, 2-vinyl naphthalene, 3-methyl styrene, 4-propyl styrene, t-butyl styrene, 4-cyclohexyl styrene, 4-dodecyl styrene, 2-ethyl-4-benzyl styrene, 4-(phenylbutyl) styrene, 3-isopropenyl-α, α-dimethylbenzyl isocyanate, and halogenated styrenes.
  • Suitable acrylamide based monomers are, for example, acrylamide, N, N-dimethylacrylamide, N-octyl acrylamide, N-methylol acrylamide, dimethylaminoethylacrylate, etc. Suitable cyclic monomers are, for example, vinyl pyrrolidone, vinyl imidazolidone, vinyl pyridine, etc. Suitable sulfonated monomers are, for example, 2-acrylamido-2-methyl propane sulfonic acid, sodium methallyl sufonate, sodium vinyl sulfonate, sulfonated styrene, etc. Suitable vinyl amide monomers are, for example, N-vinyl formamide, N-vinyl acetamide, etc.
  • Preferred polymers of the invention include polymers and copolymers of styrene-butadiene, acrylonitrile, silicones, ethylene-vinyl acetate, polyurethane and acrylic monomers. Acrylic copolymers are most preferred.
  • Preferably the polymer is one that can undergo cross-linking during or after film formation. Most preferred is a self-cross-linking polymer.
  • Polymers useful in the present invention have molecular weights in the range of from 5,000 to 5,000,000, and preferably from 10,000 to 2,000,000.
  • It is advantageous that the polymer formulation be formulated to minimize penetration into the nonwoven, textile or carpet substrate. Thus, if the substrate is hydrophobic, a hydrophilic polymer formulation is preferred. If the substrate is hydrophilic, the polymer formulation is preferably hydrophobic.
  • The solids level of the formulation may vary, depending on the requirements of the application equipment. The rheology may be adjusted by dilution with water or other solvents, or the addition of a thickener.
  • The polymer formulation is applied to the nonwoven, textile or carpet substrate by print, foam, or spray application. Spray processes in which the polymer formulation is atomized are preferred. The polymer formulation may be sprayed using both air and airless sprays, and with both internal and external air nozzles. Nozzle spray conditions, including pressure, coating density, and spray type are selected based on the equipment employed.
  • The polymer formulation may be applied to the nonwoven, textile or carpet substrate as a wet foam, by means known in the art. Foaming of the formulation may occur by both mechanical and chemical means.
  • Print application is by means of a gravure press in which a transfer roll coats the polymer formulation onto a gravure roll having many cells, the gravure roll then transfers the polymer formulation to the nonwoven, textile or carpet material.
  • The polymer formulation may be used to treat one or both sides of the porous substrate depending on the application. For many applications, the anti-slip treatment is applied to one side only. The polymer formulation is typically applied at from 1 to 100 percent by weight, based on dry weight of polymer to dry substrate. Preferably the polymer formulation is applied at from 5 to 40 percent by weight, and most preferably from 5 to 25 percent by weight, based on dry weight of polymer to dry substrate.
  • As stated above, the polymer formulation is applied to a nonwoven, textile or carpet substrate. Uses of substrates formed by the process of the present invention include, but are not limited to mattress covers, surgical shoe covers, surgical towels, table covers, placemats, apparel interlining, food packaging liners, synthetic leather, facings, carriers and wall coverings.
  • Following application of the polymer formulation to the nonwoven, textile or carpet substrate, the coating is dried. Drying may occur at room temperature, or may be accelerated at elevated temperatures.
  • Although not needed in all applications, nonwoven, textile or carpet materials produced by the process of the present invention preferably possess breathability. Breathablility, measured by air permeability means that the treatment has coated the nonwoven, textile or carpet material, while allowing most of the pores to remain open.
    • EXAMPLES: Example 1
  • A 30 gsm spunbond-melt blown nonwoven material was treated with a self-crosslinking acrylic copolymer emulsion having a Tg of -42°C, as measured by DSC. The emulsion was diluted to 30% solids and applied to the non-woven material by spraying, printing and foam coating. The material was then dried at 121°C for two minutes. The basis weight (BW) is the fabric weight in grams used per square meter of the substrate. The coefficient of friction (CoF), both static and dynamic, indicates the force in grams required to pull a 5.1 x 5.1 cm piece of the nonwoven across a cotton woven textile while under downward force of 200 grams as per ASTM D 1894 - 78. Air permeability was measured using Frazier Air Permeability IST 70.1-92. Sample 1 is the untreated nonwoven, used as a comparative. Sample 2 is for the nonwoven material treated with the polymer formulation as a liquid foam. The acrylic copolymer was formulated with 2% solids-on-solids ammonium stearate and wisking to a froth via air incorporation. The foam was metered onto the substrate. Sample 3 is the non-woven treated with the polymer formulation by means of a gravure print. Printing was done by viscosifying the polymer formulation to 400 mPas (400 cps) with 0.2% solids-on-solids hydroxyethyl cellulose. A 45 Quadrill gravure cylinder was used to apply the print pattern. Sample 4 is the non-woven treated with the polymer formulation by means of a spray. Spraying was performed using a spray nozzle, with an orifice of 0.066 cm (0.026") at 2.8 kg/cm2 (40 psi) air and 1.4 kg/cm2 (20 psi) liquid.
    SAMPLE Application Method BW, gsm CoF Static CoF Dynamic Air Perm m/s (cb.ft/ft2 min)
    1 (comp.) NA 31 0.59 0.51 (110) 0.56
    2 Foam 41 1.51 1.29 (12) 0.06
    3 Print 55 1.39 1.22 (10) 0.05
    4 Spray 38 2.00 1.93 (100) 0.51

Claims (11)

  1. A process for providing an anti-slip coating directly deposited on a nonwoven, textile or carpet substrate comprising:
    a) forming a polymer formulation having a Tg of from -60°C to 40°C; and
    b) applying said polymer formulation directly onto a pourous substrate by spray, foam, or print application to produce at least one anti-slip non-tacky surface.
  2. The process of claim 1 wherein said application of said polymer formulation is by spraying comprises an atomized spray.
  3. The process of claim 2 wherein the Tg of the polymer formulation is from -50°C to -40°C.
  4. The process of claim 1 wherein said polymer formulation comprises an emulsion polymer.
  5. The process of claim 4 wherein said emulsion polymer is self-crosslinking.
  6. The process of claim 4 wherein said emulsion polymer comprises an acrylic monomer.
  7. The process of claim 1 wherein said coating is applied to only one side of the porous substrate.
  8. A non-slip porous substrate, selected from the group consisting of a non-woven, textile, and carpet, obtainable by the process of claim 1.
  9. A mattress covering comprising the non-slip porous substrate of claim 8.
  10. A surgical shoe cover comprising the non-slip porous substrate of claim 8.
  11. A carpet backing comprising the non-slip porous substrate of claim 8.
EP20010118715 2000-08-03 2001-08-03 Process for providing an anti-slip treatment Expired - Lifetime EP1178152B1 (en)

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US63159300A 2000-08-03 2000-08-03
US631593 2000-08-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019218485A1 (en) * 2018-05-14 2019-11-21 华为技术有限公司 Anti-slip mat, terminal and method for fabricating anti-slip mat on terminal

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10240332A1 (en) * 2002-11-04 2004-05-19 Cc-Dr. Schutz Gmbh An aqueous antislip agent useful for protection of textile surfaces against wear between the textile surface and a substrate, e.g. a smooth hard surface e.g. a nontextile floor covering or a furniture surface

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR870008000A (en) * 1986-02-05 1987-09-23 하루히사 혼조 Anti-slip material
JPH0232171A (en) * 1988-07-22 1990-02-01 Mitsui Toatsu Chem Inc Anti-slip agent composition and corrugated board case using said composition
JPH0533295A (en) * 1991-07-18 1993-02-09 Honshu Paper Co Ltd Non-slip coating composition
MX9207126A (en) * 1991-12-31 1993-06-01 Kimberly Clark Co SUBSTRATE HAVING A SMOOTH NON-ABRASIVE ANTI-SLIP COATING.
GB9209438D0 (en) * 1992-05-01 1992-06-17 Amtico Co Floor coverings
US5786077A (en) * 1995-06-07 1998-07-28 Mclaughlin; John R. Anti-slip composition for paper
JPH1053742A (en) * 1996-08-09 1998-02-24 First Chem Kk Antislip agent for paper article

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019218485A1 (en) * 2018-05-14 2019-11-21 华为技术有限公司 Anti-slip mat, terminal and method for fabricating anti-slip mat on terminal

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