DE3766623D1 - TOOLS FOR RESIN CONTROL. - Google Patents

TOOLS FOR RESIN CONTROL.

Info

Publication number
DE3766623D1
DE3766623D1 DE8787300212T DE3766623T DE3766623D1 DE 3766623 D1 DE3766623 D1 DE 3766623D1 DE 8787300212 T DE8787300212 T DE 8787300212T DE 3766623 T DE3766623 T DE 3766623T DE 3766623 D1 DE3766623 D1 DE 3766623D1
Authority
DE
Germany
Prior art keywords
epihalohydrin
tools
diepoxide
functionality
respect
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 - Lifetime
Application number
DE8787300212T
Other languages
German (de)
Inventor
Thord Gustav Gunnar Hassler
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.)
Grace Dearborn AB
Original Assignee
WR Grace AB
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 WR Grace AB filed Critical WR Grace AB
Application granted granted Critical
Publication of DE3766623D1 publication Critical patent/DE3766623D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • D21C9/086—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with organic compounds or compositions comprising organic compounds
    • 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
    • D21H21/02—Agents for preventing deposition on the paper mill equipment, e.g. pitch or slime control

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Liquid Crystal Substances (AREA)
  • Valve Device For Special Equipments (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Epoxy Resins (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

A method for the control of pitch in an aqueous system used in pulp or paper making is disclosed which comprises adding to the system, or to the pulp making or paper making machinery, a water soluble polymer derived from (a) an epihalohydrin, a diepoxide or a precursor of an epihalohydrin or diepoxide, (b) an alkyl amine having a functionality with respect to an epihalohydrin of 2 and (c) an amine which has a functionality with respect to an epihalohydrin greater than 2 and which does not possess any carbonyl groups.
DE8787300212T 1986-01-09 1987-01-09 TOOLS FOR RESIN CONTROL. Expired - Lifetime DE3766623D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8600506A GB2186895B (en) 1986-01-09 1986-01-09 Pitch control aid

Publications (1)

Publication Number Publication Date
DE3766623D1 true DE3766623D1 (en) 1991-01-24

Family

ID=10591145

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787300212T Expired - Lifetime DE3766623D1 (en) 1986-01-09 1987-01-09 TOOLS FOR RESIN CONTROL.

Country Status (8)

Country Link
EP (1) EP0232015B1 (en)
JP (1) JPH07113200B2 (en)
AT (1) ATE59068T1 (en)
CA (1) CA1306570C (en)
DE (1) DE3766623D1 (en)
ES (1) ES2019376B3 (en)
FI (1) FI88814C (en)
GB (1) GB2186895B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE467667B (en) * 1988-08-11 1992-08-24 Grace W R & Co PROCEDURES CONCERN REGULATION OF PRODUCTION CONTROLLING MICROBIOLOGICAL PROVISIONS ON PAPER MANUFACTURING EQUIPMENT
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
AR247436A1 (en) * 1988-09-16 1994-12-29 Dearborn Chemical Company Ltd Controlling deposits on paper machine felts and the like
US4997523A (en) * 1990-06-20 1991-03-05 Betz Panerchem, Inc. Method for effectively breaking up latex-coated paper during pulping to decrease the potential for white pitch deposition
GB2251868B (en) * 1990-12-24 1994-07-27 Grace W R & Co Pitch control
TW202043331A (en) * 2018-11-30 2020-12-01 美商Ｂｌ科技公司 Fouling abatement for coker heaters

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248353A (en) * 1963-05-17 1966-04-26 American Cyanamid Co Alkylene polyamine resin
USRE28808E (en) * 1972-02-04 1976-05-11 American Cyanamid Company Polyquaternary flocculants
US3855299A (en) * 1973-06-11 1974-12-17 Grace W R & Co Water soluble reaction product of epihalohydrin and alkylamines
US4093605A (en) * 1975-01-24 1978-06-06 Wolff Walsrode Aktiengesellschaft Auxiliary agent for improving retention, drainage and treatment
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
CA1150914A (en) * 1980-11-28 1983-08-02 Margaret J. Molnar Amine-epichlorohydrin polymers for pitch control

Also Published As

Publication number Publication date
ATE59068T1 (en) 1990-12-15
FI88814C (en) 1993-07-12
EP0232015A1 (en) 1987-08-12
ES2019376B3 (en) 1991-06-16
JPH07113200B2 (en) 1995-12-06
FI870072A (en) 1987-07-10
JPS62223394A (en) 1987-10-01
FI870072A0 (en) 1987-01-08
FI88814B (en) 1993-03-31
CA1306570C (en) 1992-08-18
GB2186895B (en) 1989-11-01
GB8600506D0 (en) 1986-02-12
GB2186895A (en) 1987-08-26
EP0232015B1 (en) 1990-12-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: GRACE DEARBORN AB, HELSINGBORG, SE