FR2269607A1 - Fibrous materials of improved absorbency - by air-laying of hydrophilic wood fibres contg. lignin - Google Patents

Fibrous materials of improved absorbency - by air-laying of hydrophilic wood fibres contg. lignin

Info

Publication number
FR2269607A1
FR2269607A1 FR7513866A FR7513866A FR2269607A1 FR 2269607 A1 FR2269607 A1 FR 2269607A1 FR 7513866 A FR7513866 A FR 7513866A FR 7513866 A FR7513866 A FR 7513866A FR 2269607 A1 FR2269607 A1 FR 2269607A1
Authority
FR
France
Prior art keywords
lignin
laying
wood fibres
air
fibrous materials
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.)
Granted
Application number
FR7513866A
Other languages
French (fr)
Other versions
FR2269607B1 (en
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.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of FR2269607A1 publication Critical patent/FR2269607A1/en
Application granted granted Critical
Publication of FR2269607B1 publication Critical patent/FR2269607B1/fr
Granted legal-status Critical Current

Links

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
    • D21H5/00—Special paper or cardboard not otherwise provided for
    • D21H5/26—Special paper or cardboard manufactured by dry method; Apparatus or processes for forming webs by dry method from mainly short-fibre or particle material, e.g. paper pulp
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/28—Polysaccharides or their derivatives
    • 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

Abstract

Sheet matls. of improved absorbency are made by air-laying of hydrophilic, fibrillated wood fibres contg. lignin and having an average length of at least 0.8 mm. (pref. 2 mm.) and an average dia. from 0.2-0.06 mm. to give a sheet of density 0.04-0.18 (pref. 0.08-0.15)g./cm3. Matls. are used for mfr. of hand towels, diapers, bed sheets, hospital clothing etc. Matl. is more absorbent than commercial matls. made from ligning-free wood fibres.
FR7513866A 1974-05-03 1975-05-02 Fibrous materials of improved absorbency - by air-laying of hydrophilic wood fibres contg. lignin Granted FR2269607A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46658074A 1974-05-03 1974-05-03

Publications (2)

Publication Number Publication Date
FR2269607A1 true FR2269607A1 (en) 1975-11-28
FR2269607B1 FR2269607B1 (en) 1978-10-13

Family

ID=23852312

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7513866A Granted FR2269607A1 (en) 1974-05-03 1975-05-02 Fibrous materials of improved absorbency - by air-laying of hydrophilic wood fibres contg. lignin

Country Status (7)

Country Link
AT (1) ATA336175A (en)
BE (1) BE828682A (en)
CH (1) CH600040A5 (en)
DE (1) DE2519578A1 (en)
FR (1) FR2269607A1 (en)
LU (1) LU72392A1 (en)
NL (1) NL7505200A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2316888A1 (en) * 1975-07-07 1977-02-04 Colgate Palmolive Co ABSORBENT ARTICLE
FR2443248A1 (en) * 1978-12-07 1980-07-04 Gaillard Eric Fibrous cotton or cellulose prod. for temporary dental fillings - has very short fibres for easy removal by high speed rotary cutters
EP0095917A1 (en) * 1982-06-01 1983-12-07 The Procter & Gamble Company Hydrophilic microfibrous absorbent webs, methods for their manufacture and use thereof in disposable absorbent articles

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4047531A (en) * 1976-08-09 1977-09-13 Colgate-Palmolive Company Absorbent article with differential pad
US4219024A (en) * 1978-09-21 1980-08-26 Colgate-Palmolive Company Absorbent article

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2316888A1 (en) * 1975-07-07 1977-02-04 Colgate Palmolive Co ABSORBENT ARTICLE
FR2443248A1 (en) * 1978-12-07 1980-07-04 Gaillard Eric Fibrous cotton or cellulose prod. for temporary dental fillings - has very short fibres for easy removal by high speed rotary cutters
EP0095917A1 (en) * 1982-06-01 1983-12-07 The Procter & Gamble Company Hydrophilic microfibrous absorbent webs, methods for their manufacture and use thereof in disposable absorbent articles

Also Published As

Publication number Publication date
DE2519578A1 (en) 1975-11-13
CH600040A5 (en) 1978-06-15
NL7505200A (en) 1975-11-05
ATA336175A (en) 1982-06-15
LU72392A1 (en) 1976-03-17
BE828682A (en) 1975-11-03
FR2269607B1 (en) 1978-10-13

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Legal Events

Date Code Title Description
ST Notification of lapse