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
  • D21H1/00—Paper; Cardboard
  • D21H1/02—Multi-ply material finished plies
• • D—TEXTILES; PAPER
  • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
  • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
  • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
  • D21F11/006—Making patterned paper
• • D—TEXTILES; PAPER
  • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
  • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
  • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
  • D21F11/14—Making cellulose wadding, filter or blotting paper
• • 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
  • D21H27/30—Multi-ply
• • 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
  • D21H21/18—Reinforcing agents
  • D21H21/20—Wet strength agents

Definitions

• Lint resistance is the ability of the fibrous product, and its constituent webs, to bind together under use conditions, including when wet. In other words, the higher the lint resistance is, the lower the propensity of the web to lint will be.
• the object of the present invention is to provide a multi-ply facial tissue having the at least the desired softness and absorbency of known facial tissues, but also providing enhanced protection against tearing or bursting when used, in particular when used for blowing the nose.
• Temporary wet strength agents such as modified starch may also, optionally, be used. Combinations of permanent and temporary wet strength agents may be used.
• Preferred chemical softening compositions comprise from about 0.01% to about 3.0% of a quaternary ammonium compound, preferably a biodegradable quaternary ammonium compound; and from about 0.01% to about 3.0% of a polyhydroxy compound; preferably selected from the group consisting of glycerol, sorbitols, polyglycerols having an average molecular weight of from about 150 to about 800 and polyoxyethylene glycols and polyoxypropylene glycols having a weight average molecular weight from about 200 to 4000.
• the weight ratio of the quaternary ammonium compound to the polyhydroxy compound ranges from about 1.0:0.1 to 0.1:1.0.
• Examples of quaternary ammonium compounds suitable for use in the present invention include either unmodified, or mono- or di- ester variations of : well-known dialkyldimethylammonium salts and alkyltrimethyl ammonium salts. Examples include the di-ester variations of di(hydrogenated tallow)dimethyl ammonium methylsulphate and di-ester variations of di(hydrogenated tallow)dimethyl ammonium chloride. Without wishing to be bound by theory, it is believed that the ester moity(ies) lends biodegradability to these compounds. Commercially available materials are available from Witco Chemical Company Inc. of Dublin, Ohio, under the tradename "Rewoquat V3512". Details of analytical and testing procedures are given in WO95/11343, published on 27 th April, 1995.
• polyhydroxy compounds useful in the present invention include polyoxyethylene glycols having a weight average molecular weight of from about 200 to about 600, especially preferred is "PEG-400".
• the lotion may comprise softening/debonding agents, emollients, immobilizing agents and mixtures thereof.
• Suitable softening/debonding agents include quaternary ammonium compounds, polysiloxanes, and mixtures thereof.
• Suitable emollients include propylene glycol, glycerine, triethylene glycol, spermaceti or other waxes, petrolatum, fatty acids, fatty alcohols and fatty alcohol ethers having from 12 to 28 carbon atoms in their fatty acid chain, and mixtures thereof.
• Suitable immobilizing agents include polyhydroxy fatty acid esters, polyhydroxy fatty acid amides and mixtures thereof.
• the web is converted into a two ply tissue paper product, having overall dimension of 210 mm square.
• the tissue paper product was folded and packaged without embossing.

Landscapes

• Paper (AREA)
• Sanitary Thin Papers (AREA)
• Materials For Medical Uses (AREA)

Priority Applications (12)

Applications Claiming Priority (1)

Publications (1)

Family

ID=8233029

Family Applications (2)

Family Applications After (1)

Country Status (10)

Cited By (10)

Families Citing this family (12)

Citations (3)

• 1998
  • 1998-11-24 EP EP98122328A patent/EP1004703A1/fr not_active Withdrawn
• 1999
  • 1999-11-17 DE DE69906143T patent/DE69906143T2/de not_active Revoked
  • 1999-11-17 AT AT99960415T patent/ATE234963T1/de not_active IP Right Cessation
  • 1999-11-17 ES ES99960415T patent/ES2190671T3/es not_active Expired - Lifetime
  • 1999-11-17 WO PCT/US1999/027232 patent/WO2000031340A1/fr not_active Application Discontinuation
  • 1999-11-17 AU AU17305/00A patent/AU1730500A/en not_active Abandoned
  • 1999-11-17 CA CA002351369A patent/CA2351369C/fr not_active Expired - Fee Related
  • 1999-11-17 KR KR1020017006371A patent/KR20010080517A/ko not_active Application Discontinuation
  • 1999-11-17 CN CNB998136387A patent/CN1143916C/zh not_active Expired - Fee Related
  • 1999-11-17 EP EP99960415A patent/EP1144758B1/fr not_active Revoked
  • 1999-11-17 JP JP2000584140A patent/JP2002530170A/ja not_active Abandoned

Patent Citations (3)

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