ZA883030B - Pitch control aid - Google Patents

Pitch control aid

Info

Publication number
ZA883030B
ZA883030B ZA883030A ZA883030A ZA883030B ZA 883030 B ZA883030 B ZA 883030B ZA 883030 A ZA883030 A ZA 883030A ZA 883030 A ZA883030 A ZA 883030A ZA 883030 B ZA883030 B ZA 883030B
Authority
ZA
South Africa
Prior art keywords
pitch control
control aid
aid
pitch
control
Prior art date
Application number
ZA883030A
Other languages
English (en)
Inventor
James Bennison John
Purdie Clifford Richard
Original Assignee
W.R. Grace And Company-Conn
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 W.R. Grace And Company-Conn filed Critical W.R. Grace And Company-Conn
Publication of ZA883030B publication Critical patent/ZA883030B/xx

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H21/00Non-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
    • D21H21/02Agents for preventing deposition on the paper mill equipment, e.g. pitch or slime control
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/02Material of vegetable origin
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03Non-macromolecular organic compounds
    • D21H17/05Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/07Nitrogen-containing compounds
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00Paper making and fiber liberation
    • Y10S162/04Pitch control
ZA883030A 1987-05-01 1988-04-28 Pitch control aid ZA883030B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8710448A GB2205591B (en) 1987-05-01 1987-05-01 Pitch control aid

Publications (1)

Publication Number Publication Date
ZA883030B true ZA883030B (en) 1988-11-01

Family

ID=10616748

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA883030A ZA883030B (en) 1987-05-01 1988-04-28 Pitch control aid

Country Status (6)

Country Link
US (1) US4964952A (fi)
EP (1) EP0289341A3 (fi)
CA (1) CA1288907C (fi)
FI (1) FI882029A (fi)
GB (1) GB2205591B (fi)
ZA (1) ZA883030B (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5223097A (en) * 1986-01-09 1993-06-29 W. R. Grace Ab Method for controlling pitch on a paper-making machine
US5626720A (en) * 1986-01-09 1997-05-06 W.R. Grace & Co.-Conn. Method for controlling pitch on a papermaking machine
US4995944A (en) * 1988-09-16 1991-02-26 Dearborn Chemical Company Ltd. Controlling deposits on paper machine felts using cationic polymer and cationic surfactant mixture
CA2059256A1 (en) * 1992-01-13 1993-07-14 David Arthur Aston Pitch control
US5830315A (en) * 1995-07-06 1998-11-03 Betzdearborn Inc. Treatment of Aqueous systems using a chemically modified tannin
US5611939A (en) * 1995-12-06 1997-03-18 Betzdearborn Inc. Methods for inhibiting the production of slime in aqueous systems
US5695652A (en) * 1995-12-06 1997-12-09 Betzdearborn Inc. Methods for inhibiting the production of slime in aqueous systems

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2356151A (en) * 1941-04-09 1944-08-22 Resinous Prod & Chemical Co Polyphenylol alkane resins
US3081219A (en) * 1960-02-10 1963-03-12 Rohm & Haas Prevention of deposition of pitch in papermaking
GB899721A (en) * 1960-09-01 1962-06-27 Natal Tanning Extract Company Process for flocculating suspensions
US3154466A (en) * 1961-12-01 1964-10-27 Nopco Chem Co Pitch control in paper making with xylene sulfonic acid-formaldehyde condensates
SE309531B (fi) * 1968-01-30 1969-03-24 Mo Och Domsjoe Ab
US3582461A (en) * 1968-02-14 1971-06-01 Diamond Shamrock Corp Pitch control in pulp and papermaking processes
US3632507A (en) * 1970-06-30 1972-01-04 Standard Brands Chem Ind Inc Flocculation of particles dispersed in aqueous media and flocculants used therein
US3784649A (en) * 1971-03-30 1974-01-08 Buckman Labor Inc High molecular weight ionene polymeric compositions
US3748220A (en) * 1972-04-07 1973-07-24 A Gard Pitch stabilization in papermaking
US4166894A (en) * 1974-01-25 1979-09-04 Calgon Corporation Functional ionene compositions and their use
US3992249A (en) * 1974-04-08 1976-11-16 American Cyanamid Company Control of pulp-paper mill pitch deposits
US4253912A (en) * 1979-07-16 1981-03-03 Betz Laboratories, Inc. Deposit control through the use of oligomeric phosphonic acid derivatives
US4250269A (en) * 1979-11-26 1981-02-10 Buckman Laboratories, Inc. Water-soluble mixtures of quaternary ammonium polymers, nonionic and/or cationic vinyl-addition polymers, and nonionic and/or cationic surfactants
AU8854682A (en) * 1981-11-27 1983-06-02 Buckman Laboratories Inc. Quaternary ammonium graft polymers
CH660015A5 (de) * 1982-02-01 1987-03-13 Sandoz Ag Polymerisat- und tensidhaltige praeparate, deren herstellung und verwendung.
US4506081A (en) * 1982-09-02 1985-03-19 Buckman Laboratories, Inc. Polymeric quaternary ammonium compounds and their uses
IE55674B1 (en) * 1982-09-24 1990-12-19 Blue Circle Ind Plc Compositions comprising mineral particles in suspension and method of treating aqueous systems therewith
JPS59223392A (ja) * 1983-05-30 1984-12-15 花王株式会社 古紙再生用脱墨剤
US4558080A (en) * 1984-01-24 1985-12-10 Dearborn Chemical Company Stable tannin based polymer compound
JPS6155294A (ja) * 1984-08-22 1986-03-19 株式会社片山化学工業研究所 ピツチ分散剤

Also Published As

Publication number Publication date
EP0289341A2 (en) 1988-11-02
US4964952A (en) 1990-10-23
FI882029A0 (fi) 1988-04-29
GB8710448D0 (en) 1987-06-03
GB2205591A (en) 1988-12-14
CA1288907C (en) 1991-09-17
EP0289341A3 (en) 1990-05-09
GB2205591B (en) 1990-03-07
FI882029A (fi) 1988-11-02

Similar Documents

Publication Publication Date Title
GB2186668B (en) Control means
AU2125488A (en) Pitch control system
GB8524743D0 (en) Control control
GB2205935B (en) Environment control
EP0314409A3 (en) Vehicle-running control system
ZA881025B (en) Pitch control aid
GB8725268D0 (en) Control system
GB8720331D0 (en) Control system
GB2200938B (en) Control system
GB8700023D0 (en) Control system
GB2205591B (en) Pitch control aid
GB2211000B (en) Control circuitry
GB8412918D0 (en) Pitch control apparatus
GB8720260D0 (en) Control mechanisms
GB8813833D0 (en) Plant control
GB8709681D0 (en) Control
GB2195417B (en) Twistgrip control
GB2203874B (en) Control system
GB2250510B (en) Pitch control
GB8611715D0 (en) Pitch control aid
GB8512728D0 (en) Pitch control aid
GB8720375D0 (en) Pitch change mechanism
GB8702488D0 (en) Control arrangement
ZA885563B (en) Control arrangement
CA52884S (en) Frypan control