Classifications

• • 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
  • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
  • D21H17/03—Non-macromolecular organic compounds
  • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
  • D21H17/07—Nitrogen-containing compounds
• • 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
  • D21H21/22—Agents rendering paper porous, absorbent or bulky
• • 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
  • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
  • D21H17/03—Non-macromolecular organic compounds
  • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
  • D21H17/10—Phosphorus-containing compounds
• • 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
  • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
  • D21H17/20—Macromolecular organic compounds
  • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
  • D21H17/22—Proteins
• • 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
  • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
  • D21H17/20—Macromolecular organic compounds
  • D21H17/33—Synthetic macromolecular compounds
  • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • D21H17/53—Polyethers; Polyesters
• • 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
  • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
  • D21H17/20—Macromolecular organic compounds
  • D21H17/33—Synthetic macromolecular compounds
  • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • D21H17/59—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon

Definitions

• the invention resides in a tissue which has been topically treated with a hydrophilic softening composition comprising one or more of propylene glycol, polyethylene glycol, polypropylene glycol, and/or other hydrophilic solvents and one or more organic surface modifiers (hereinafter defined).
• the invention resides in a tissue comprising from about 0.5 to about 30 dry weight percent, based on the weight of fiber, of a softening composition comprising one or more hydrophilic solvents selected from the group consisting of water, propylene glycol, polypropylene glycol and polyethylene glycol, and one or more surface modifiers selected from the group consisting of quaternary ammonium compounds, quaternized protein compounds, phospholipids, silicone quaternaries, hydrolyzed wheat protein/polydimethyl siioxane, phosphocopolyol copolymer, quaternized lanolin derivatives, and silicone emulsions.
• Suitabl e quaternary ammonium compounds have the fol l owi ng structures :
• R aliphatic, saturated or unsaturated C 8 - C 22 ;
• X methyl sulfate or other compatible counterion
• R aliphatic, saturated or unsaturated C 8 -C 22 .
• X methyl sulfate, chloride, or other compatible counterion
• R aliphatic, normal, saturated or unsaturated, C 8 - C 22
• R 1 2-hydroxyethyl or 2-hydroxypropyl ;
• R aliphatic, normal or branched, saturated or unsaturated, C 8 - 22'
• X chloride, methyl sulfate, ethyl sulfate, or other compatible counterion;
• R' 2-hydroxyethyl or polyethoxyethanol ; and
• n 1 to 50;
• X methyl sulfate, chloride, or other compatible counterion
• X chloride, sulfate or any other compatible counterion
• R aliphatic alkyl, normal or branched, saturated or unsaturated, C 8 - C 22 ;
• X chloride, methyl sulfate, or other compatible counterion.
• Suitable quaternized protein compounds include the following structures:
• R 1 fatty acid radical, saturated or unsaturated, C 12 - C 22 ;
• R 2 hydrolyzed soy protein, hydrolyzed silk protein, hydrolyzed wheat protein, collagen moiety, or keratin moiety;
• X chloride, lactate, or other compatible counterion
• R fatty acid radical, saturated or unsaturated, C 12 - C 22 ;
• R 2 hydrolyzed collagen or keratin moiety
• X chloride, lactate, or other compatible counterion.
• Suitable phospholipids include, without limitation, those having the following structures:
• A an anion
• n 2 to 6;
• R 3 hydrogen or alkyl , hydroxyalkyl or alkenyl of up to 6 carbons; or cycloalkyl of up to 6 carbon atoms, or polyoxyalkylene of up to 10 carbon atoms; and al kyl , al kenyl , al koxy or hydroxyal kyl , C-
• A an anion
• R 1 is an amidoa ine moiety of the structure:
• n 2 to 6;
• R 3 hydrogen or alkyl , hydroxyalkyl or alkenyl of up to 6 carbons; or cycloalkyl of up to 6 carbon atoms, or polyoxyalkylene of up to 10 carbon atoms; and R 8 has the following structure:
• Suitable silicone quaternaries include those having the following structure:
• R alkyl group, C 12 - C 18 ;
• Suitable organoreactive polysiloxanes include the following structures:
• the add-on amount of the hydrophilic softening composition containing the surface modifier(s) and the hydrophilic solvent(s) can be from about 0.5 to about 30 dry weight percent based on the weight of the tissue, more specifically from about 1 to about 10 dry weight percent. Water can be added to the formulation to reduce the viscosity of the composition and to make the formulation more suitable for application.
• the amount of the surface modifier in the hydrophilic softening composition can be from about 0.2 to about 80 weight percent, more specifically from about 0.5 to about 50 weight percent, and still more specifically from about 1 to about 20 weight percent.
• the amount of the silicone emulsion, if included in the hydrophilic softening composition can be from about 1 to about 80 percent, more specifically from about 5 to about 50 percent, and still more specifically from about 5 to about 20 percent.
• humectants include lactic acid and its salts, sugars, glycerin, ethoxylated glycerin, ethoxylated lanolin, corn syrup, hydrolyzed starch hydrolysate, urea, and sorbitol.
• Suitable skin protectants include allentoin, kaolin, aliantoin and zinc oxide.
• Suitable preservatives include Quaternium-15, organic acids, parabens, DMDM hydantoin, diazolidinyl urea, ethylchloroisothiazoline, methyl isothiazolin, sodium hydroxymethyl glycinate, imidazolidinyl urea, and the like.
• Suitable feel modifiers include corn starch, oat flour, talc, boron nitride, and cyclodextrin.
• the hydrophilic softening composition which can be in the form of a solution or suspension, can be applied to the dry tissue surface by any suitable means, such as spraying or printing.
• the tissue to which the hydrophilic formulation is applied can be any tissue useful as facial tissue, bath tissue, or towels. Such can be produced by throughdrying or wet-pressing tissue making processes and can be creped or uncreped, layered or blended (not layered).
• the finished tissue product can be one-ply, two-ply or three or more plies. Either the dryer side or the air side of the tissue can be oriented outwardly in the final tissue product.
• Example 1 A hydrophilic solution consisting of 50 parts by weight propylene glycol, 28.5 parts by weight of a softener/debonder composition (quaternary imidazolinium, fatty acid alkoxylate and polyether with 200- 800 molecular weight, identified as DPSC 5299-8, Witco Corporation) and 21.5 parts by weight water.
• the propylene glycol and DPSC 5299-8 were mixed together until uniform. Then the water was added and the mixture stirred until a homogeneous solution was achieved.
• the resulting hydrophilic solution was applied to the outer surfaces of the two outer plies of a three-ply, blended, wet- pressed creped tissue having a basis weight of 41.6 grams per square meter.
• each ply consisted of a blend of 50 percent eucalyptus hardwood, 14 percent northern hardwood kraft, and 36 percent northern softwood kraft fibers.
• the add-on amount was about 1 dry weight percent based on the total weight of the three-ply tissue.
• the resulting tissue had a fuzzy softness.
• a hydrophilic solution consisting of 90 parts by weight propylene glycol and 10 parts by weight DPSC 5299-8 was prepared.
• the propylene glycol and the DPSC 5299-8 were mixed together until a homogeneous solution was achieved.
• the resulting hydrophilic solution was applied to the outer surfaces of the two outer plies of a three-ply, blended, wet- pressed creped tissue (as described in Example 1) having a basis weight of 41.6 grams per square meter using a gravure printing method.
• the add ⁇ on amounts were about 1, 3, and 10 dry weight percent based on the total weight of the tissue.
• the resulting tissues had a fuzzy softness, with the higher add-on tissues feeling softer.
• a hydrophilic solution was prepared consisting of 80 parts by weight propylene glycol and 20 parts by weight of a quaternary ammonium compound (stearalkonium chloride, 25 percent active, identified as Mackernium SDC- 25, Mclntyre Group, LTD.).
• the propylene glycol and the Mackernium SDC- 25 were mixed together and stirred until homogeneous.
• the resulting Example 3
• a hydrophilic solution was prepared consisting of 80 parts by weight propylene glycol and 20 parts by weight of a quaternary ammonium compound (stearalkonium chloride, 25 percent active, identified as Mackernium SDC- 25, Mclntyre Group, LTD.).
• the propylene glycol and the Mackernium SDC- 25 were mixed together and stirred until homogeneous.
• the resulting hydrophilic solution was applied to the outer surfaces of the two outer plies of a three-ply, wet-pressed creped tissue as described in Example 1 having a basis weight of about 41.6 grams per square meter using a gravure printing method.
• the add-on amounts were about 1, 3, and 10 dry weight percent based on the weight of the tissue.
• the resulting tissue had a fuzzy softness, with the higher add-on tissues being softer.
• Example 4 A hydrophilic solution was prepared consisting of 70 parts by weight propylene glycol, 10 parts by weight DPSC 5299-8 and 20 parts by weight of a second quaternary ammonium compound (olealkonium chloride, 50 percent active, identified as Mackernium KP, Mclntyre Group, LTD.). The propylene glycol and the DPSC 5299-8 were mixed together. The Mackernium KP was added and stirred until homogeneous.
• a second quaternary ammonium compound olealkonium chloride, 50 percent active, identified as Mackernium KP, Mclntyre Group, LTD.
• the resulting hydrophilic solution was applied to the outer surfaces of the two outer plies of a three-ply blended, wet-pressed creped tissue as described in Example 1 and a three-ply layered, wet- pressed creped tissue having a basis weight of about 41.6 grams per square meter.
• Each of the plies of the layered tissue contained three layers.
• the dryer side outer layer consisted of eucalyptus fibers.
• the inner layer contained 28 percent northern hardwood kraft and 72 percent northern softwood kraft fibers.
• the air side outer layer contained northern hardwood kraft and northern softwood kraft fibers.
• Kymene 557H (Hercules, Inc.) was added at 0.16 - 0.34 weight percent based on dry fiber in all layers.
• a wet strength agent (Parez 631NC from Cytec Industries, Inc.) was added at 0.45 - 0.55 weight percent based on dry fiber in the inner layer and the airside layer.
• the three-ply tissue was plied together such that the two outer surfaces were dryer side layers.
• the add-on amounts of the hydrophilic solution were about 1 and 2 dry weight percent based on the total weight of the tissue.
• the resulting tissue products were very soft, with the higher add-on tissues being softer.
• a hydrophilic solution was prepared consisting of 50 parts by weight propylene glycol, 20 parts by weight DPSC 5299-8 and 30 parts by weight Mackernium KP.
• the propylene glycol and the DPSC 5299-8 were mixed together.
• the Mackernium KP was added and stirred until homogeneous.
• the resulting hydrophilic solution was applied to the outer surfaces of the two outer plies of a three-ply, blended, wet-pressed creped tissue as described in Example 1 and a three- ply layered, wet-pressed creped tissue as described in Example 4.
• the add-on amounts were about 1 and 2 dry weight percent based on the weight of the tissue.
• the resulting tissue products were very soft, with the higher add-on tissues being softer.
• a hydrophilic solution consisting of 80 parts by weight propylene glycol, 10 parts by weight of DPSC 5299-8 and 10 parts by weight of an organoreactive polysiloxane (identified as FTS-226, 40 percent active, OSi Specialties, Inc.).
• the propylene glycol and DPSC 5299-8 were mixed together until uniform.
• the FTS-226 was added and the mixture stirred until a homogeneous solution was achieved.
• the resulting hydrophilic solution was applied to the outer surfaces of the two outer plies of a three-ply, blended, wet- pressed creped tissue as described in Example 1.
• the add-on amount was about 1 and 5 dry weight percent based on the weight of the tissue.
• the resulting tissue had a flannelly softness.
• a hydrophilic solution consisting of 40 parts by weight propylene glycol, 10 parts by weight DPSC 5299-8 and 50 parts by weight FTS-226.
• the propylene glycol and the DPSC 5299-8 were mixed together until uniform.
• the FTS-226 was added and the mixture stirred until a homogeneous solution achieved.
• the resulting hydrophilic solution was applied to a blended three-ply, wet- pressed creped tissue as described in Example 1 and a layered, three- ply, wet-pressed creped tissue as described in Example 4.
• the add-on amount was about 1 and 2 dry weight percent based on the weight of the tissue.
• the resulting tissues had a flannelly softness.
• a hydrophilic solution consisting of 55 parts by weight propylene glycol, 20 parts by weight DPSC 5299-8 and 25 parts by weight FTS-226.
• the propylene glycol and the DPSC 5299-8 were mixed together until uniform.
• the FTS-226 was added and the mixture stirred until a homogeneous solution achieved.
• the resulting hydrophilic solution was applied to both a blended, three-ply, wet-pressed creped tissue as described in Example 1 and a layered, three- ply, wet-pressed creped tissue as described in Example 4.
• the add-on amount was about 1 and 2 dry weight percent based on the weight of the tissues.
• the resulting tissues had a flannelly softness with the higher add-on tissue being softer.
• a one-ply, uncreped, through-air-dried tissue was made using a layered headbox.
• the two outer layers contained bleached eucalyptus hardwood kraft pulp processed through a Maule shaft disperser with a power input of 80 kilowatts at a consistency of about 34 percent and at a temperature of 184 * F.
• the two outer layers made up 70 percent of the tissue sheet by weight of fiber.
• the remaining 30 percent of the tissue web constituted the middle layer and consisted of bleached northern softwood kraft pulp.
• the total basis weight of the sheet was 33.9 grams per square meter of air-dried tissue.
• the inner layer was refined to obtain sufficient dry strength in the final product.
• the one-ply tissue was printed with a formulation consisting of about 12 percent Mackernium SDC, about 30 percent glycerin, about 50 percent polypropylene glycol and about 8 percent water.
• the resulting tissue contained about 0.5 weight percent DPSC-5299-8 and approximately 4 weight percent of the printed formulation based on fiber.
• the resulting tissue had a smooth, silky, surface feel.

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• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
• Cosmetics (AREA)
• Paper (AREA)
• Medicinal Preparation (AREA)
• Materials For Medical Uses (AREA)
• Sanitary Thin Papers (AREA)
• Compositions Of Macromolecular Compounds (AREA)

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• 1996
  • 1996-07-04 ZA ZA965677A patent/ZA965677B/xx unknown
  • 1996-07-15 CO CO96037086A patent/CO4560507A1/es unknown
  • 1996-07-16 AU AU65465/96A patent/AU710263B2/en not_active Ceased
  • 1996-07-16 EP EP96925328A patent/EP0840823B1/de not_active Expired - Lifetime
  • 1996-07-16 PL PL96326892A patent/PL326892A1/xx unknown
  • 1996-07-16 DE DE69629031T patent/DE69629031T8/de not_active Expired - Fee Related
  • 1996-07-16 WO PCT/US1996/011778 patent/WO1997004170A1/en not_active Application Discontinuation
  • 1996-07-16 KR KR1019980700426A patent/KR19990035770A/ko not_active Application Discontinuation
  • 1996-07-16 BR BR9611422A patent/BR9611422A/pt not_active Application Discontinuation
  • 1996-07-16 CA CA002223807A patent/CA2223807A1/en not_active Abandoned
  • 1996-07-16 JP JP09506800A patent/JP2001502760A/ja active Pending
  • 1996-07-16 CN CN96198797A patent/CN1207785A/zh active Pending
  • 1996-07-16 TR TR1998/00096T patent/TR199800096T2/xx unknown
  • 1996-07-19 AR ARP960103653A patent/AR002886A1/es unknown

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