GB2169323B - Making paper for wallboard - Google Patents

Making paper for wallboard

Info

Publication number
GB2169323B
GB2169323B GB08531595A GB8531595A GB2169323B GB 2169323 B GB2169323 B GB 2169323B GB 08531595 A GB08531595 A GB 08531595A GB 8531595 A GB8531595 A GB 8531595A GB 2169323 B GB2169323 B GB 2169323B
Authority
GB
United Kingdom
Prior art keywords
wallboard
making paper
paper
making
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
GB08531595A
Other versions
GB2169323A (en
GB8531595D0 (en
Inventor
Norman Edward Johnstone
Kenneth Herman Amdall
Jerry Wayne Gullick
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.)
United States Gypsum Co
Original Assignee
United States Gypsum 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 United States Gypsum Co filed Critical United States Gypsum Co
Publication of GB8531595D0 publication Critical patent/GB8531595D0/en
Publication of GB2169323A publication Critical patent/GB2169323A/en
Application granted granted Critical
Publication of GB2169323B publication Critical patent/GB2169323B/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
    • D21H17/28—Starch
    • D21H17/29—Starch cationic
    • 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
    • D21H17/14—Carboxylic acids; Derivatives thereof
    • D21H17/15—Polycarboxylic acids, e.g. maleic acid
    • 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
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • D21H17/375—Poly(meth)acrylamide
    • 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
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
    • D21H17/45—Nitrogen-containing groups
    • D21H17/455—Nitrogen-containing groups comprising tertiary amine or being at least partially quaternised
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/76—Processes or apparatus for adding material to the pulp or to the paper characterised by choice of auxiliary compounds which are added separately from at least one other compound, e.g. to improve the incorporation of the latter or to obtain an enhanced combined effect
    • D21H23/765—Addition of all compounds to the pulp
    • 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
    • D21H21/06—Paper forming aids
    • D21H21/10—Retention agents or drainage improvers
GB08531595A 1984-12-26 1985-12-23 Making paper for wallboard Expired GB2169323B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68630584A 1984-12-26 1984-12-26

Publications (3)

Publication Number Publication Date
GB8531595D0 GB8531595D0 (en) 1986-02-05
GB2169323A GB2169323A (en) 1986-07-09
GB2169323B true GB2169323B (en) 1989-01-05

Family

ID=24755772

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08531595A Expired GB2169323B (en) 1984-12-26 1985-12-23 Making paper for wallboard

Country Status (4)

Country Link
EP (1) EP0186956A3 (en)
JP (1) JPS61160493A (en)
AU (1) AU5101585A (en)
GB (1) GB2169323B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9704930D0 (en) * 1997-02-05 1997-12-30 Akzo Nobel Nv Sizing of paper
US6093217A (en) * 1997-02-05 2000-07-25 Akzo Nobel N.V. Sizing of paper
US6572736B2 (en) * 2000-10-10 2003-06-03 Atlas Roofing Corporation Non-woven web made with untreated clarifier sludge
US7873078B2 (en) 2004-12-07 2011-01-18 Displaylink (Uk) Limited Screen multiplexing
FR2991685B1 (en) * 2012-06-12 2015-05-15 Roquette Freres PROCESS FOR PRODUCING SUCCINIC ALKENYL ANHYDRIDE (ASA) EMULSION IN AQUEOUS SOLUTION OF CATIONIC AMYLACEOUS MATERIAL, EMULSION OBTAINED AND USE THEREOF

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4853085A (en) * 1981-05-13 1989-08-01 United States Gypsum Company Neutral sized paper for use in the production of gypsum wallboard

Also Published As

Publication number Publication date
GB2169323A (en) 1986-07-09
JPS61160493A (en) 1986-07-21
AU5101585A (en) 1986-07-03
EP0186956A3 (en) 1986-10-08
GB8531595D0 (en) 1986-02-05
EP0186956A2 (en) 1986-07-09

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19971223