GB1049675A - Process of making fibrous webs - Google Patents

Process of making fibrous webs

Info

Publication number
GB1049675A
GB1049675A GB3118863A GB3118863A GB1049675A GB 1049675 A GB1049675 A GB 1049675A GB 3118863 A GB3118863 A GB 3118863A GB 3118863 A GB3118863 A GB 3118863A GB 1049675 A GB1049675 A GB 1049675A
Authority
GB
United Kingdom
Prior art keywords
agent
fibres
water
viscosity
suspension
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
Application number
GB3118863A
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.)
James River Corp of Nevada
Original Assignee
Crown Zellerbach Corp
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 Crown Zellerbach Corp filed Critical Crown Zellerbach Corp
Publication of GB1049675A publication Critical patent/GB1049675A/en
Expired 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
    • 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
    • D21H17/24—Polysaccharides
    • 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
    • D21F11/004—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines by modification of the viscosity of the suspension
    • 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
    • D21H17/005—Microorganisms or enzymes

Abstract

Paper is made from a suspension of fibres containing a chemical agent that can increase the viscosity of water and is substantially non-substantive towards the fibres. The agent is hydroxyethylcellulose or a mixture thereof with one or more of sodium, potassium or ammonium polyacrylate or a microbiological polysaccharide. It is used in an amount sufficient to increase the viscosity of the water alone to 20 to 500 centipoise at 20 DEG C. Substantially the whole of it remains in the white water, which is recycled with little or no further addition of the agent. The fibres may be derived from softwoods, hardwoods, straws or bagasse, or may be of polyacrylonitrile, rayon, polyester or nylon. The agent may be incorporated before or after beating, but before the suspension is directed to the paper-machine wire. The slurry may also contain wet-strength resins, rosin size, alum, starches or colorants, but not such as would gel the chemical agent.
GB3118863A 1962-08-08 1963-08-07 Process of making fibrous webs Expired GB1049675A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21550862A 1962-08-08 1962-08-08

Publications (1)

Publication Number Publication Date
GB1049675A true GB1049675A (en) 1966-11-30

Family

ID=22803252

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3118863A Expired GB1049675A (en) 1962-08-08 1963-08-07 Process of making fibrous webs

Country Status (2)

Country Link
GB (1) GB1049675A (en)
NL (1) NL296382A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0286318A2 (en) * 1987-04-06 1988-10-12 James River Corporation Maufacture of wet laid nonwoven webs

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0286318A2 (en) * 1987-04-06 1988-10-12 James River Corporation Maufacture of wet laid nonwoven webs
EP0286318A3 (en) * 1987-04-06 1990-10-31 James River Corporation Maufacture of wet laid nonwoven webs

Also Published As

Publication number Publication date
NL296382A (en)

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