CA1136808A - Dispersion for use in pulp production - Google Patents

Dispersion for use in pulp production

Info

Publication number
CA1136808A
CA1136808A CA000325807A CA325807A CA1136808A CA 1136808 A CA1136808 A CA 1136808A CA 000325807 A CA000325807 A CA 000325807A CA 325807 A CA325807 A CA 325807A CA 1136808 A CA1136808 A CA 1136808A
Authority
CA
Canada
Prior art keywords
dispersion
dispersion according
sodium
solution
organic
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
CA000325807A
Other languages
English (en)
French (fr)
Inventor
Peter Schnegg
Heinz U. Blank
Gunther Klag
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.)
Bayer AG
Original Assignee
Bayer AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6037102&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1136808(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of CA1136808A publication Critical patent/CA1136808A/en
Expired 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes

Landscapes

  • Paper (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CA000325807A 1978-04-15 1979-04-12 Dispersion for use in pulp production Expired CA1136808A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19782816473 DE2816473A1 (de) 1978-04-15 1978-04-15 Dispersion zur verwendung bei der zellstoffgewinnung
DEP2816473.0 1978-04-15

Publications (1)

Publication Number Publication Date
CA1136808A true CA1136808A (en) 1982-12-07

Family

ID=6037102

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000325807A Expired CA1136808A (en) 1978-04-15 1979-04-12 Dispersion for use in pulp production

Country Status (17)

Country Link
EP (1) EP0004928B1 (fi)
JP (1) JPS54138603A (fi)
AR (1) AR220189A1 (fi)
AT (1) AT372716B (fi)
AU (1) AU4607679A (fi)
BR (1) BR7902259A (fi)
CA (1) CA1136808A (fi)
DE (2) DE2816473A1 (fi)
ES (1) ES479476A1 (fi)
FI (1) FI64668C (fi)
IN (1) IN150690B (fi)
NO (1) NO791151L (fi)
NZ (1) NZ190182A (fi)
PH (1) PH14724A (fi)
PT (1) PT69477A (fi)
TR (1) TR20509A (fi)
ZA (1) ZA791770B (fi)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2827111A1 (de) * 1978-06-21 1980-01-10 Bayer Ag Mittel zur verwendung bei der zellstoffgewinnung
NZ204262A (en) * 1982-06-02 1986-10-08 Champion Int Corp Kraft and alkaline pulping processes using synergistic composition to enhance pulp yield
JPS6197492A (ja) * 1984-10-18 1986-05-15 川崎化成工業株式会社 高濃度パルプ蒸解助剤水溶液
WO1995029288A1 (fr) * 1994-04-26 1995-11-02 Harima Chemicals, Inc. Adjuvant pour lessivage des pulpes

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2049567A (en) * 1934-06-05 1936-08-04 Du Pont Manufacture of paper pulp
US3147179A (en) * 1959-06-26 1964-09-01 St Joe Paper Company Pulping processes
US3446700A (en) * 1966-03-07 1969-05-27 Diamond Shamrock Corp Process for cooking woodchips with a liquor containing condensation product of vicinal epoxide and phenol
DE2407620C3 (de) * 1974-02-16 1979-05-03 Chemische Werke Huels Ag, 4370 Marl Verfahren zur Herstellung von stabilen wäßrigen Dispersionen
SE384883B (sv) * 1974-09-06 1976-05-24 Kopparfors Ab Sett att oka cellulosautbytet vid sulfitkokning av ved

Also Published As

Publication number Publication date
NZ190182A (en) 1981-07-13
ATA280179A (de) 1983-03-15
NO791151L (no) 1979-10-16
PH14724A (en) 1981-11-13
FI64668B (fi) 1983-08-31
ES479476A1 (es) 1979-07-16
IN150690B (fi) 1982-11-20
DE2816473A1 (de) 1979-10-25
EP0004928B1 (de) 1981-04-08
ZA791770B (en) 1980-05-28
BR7902259A (pt) 1979-12-11
PT69477A (pt) 1979-05-01
EP0004928A1 (de) 1979-10-31
FI64668C (fi) 1983-12-12
FI791211A (fi) 1979-10-16
DE2960241D1 (en) 1981-04-30
TR20509A (tr) 1981-09-03
AU4607679A (en) 1979-10-25
JPS54138603A (en) 1979-10-27
AT372716B (de) 1983-11-10
AR220189A1 (es) 1980-10-15

Similar Documents

Publication Publication Date Title
US4959123A (en) Process for deinking printed waste paper
FI73750B (fi) Saett vid blekning av lignocellulosahaltigt material.
US4260452A (en) Production of paper pulp from sugar mill bagasse
KR20080113202A (ko) 디잉킹에 있어서 변형 무기 입자의 이용
ES2114000T3 (es) Procedimiento para la preparacion de fibras deslignificadas para la fabricacion de papel, a partir de papel usado con contenido de lignina elevado, y producto obtenido.
FI101091B (fi) Paperin pinnoittaminen
CA1140706A (en) Agent for use in pulp production
US3748220A (en) Pitch stabilization in papermaking
CA1136808A (en) Dispersion for use in pulp production
CN102753753A (zh) 从纸中除去油墨的方法
US3620909A (en) Method for reclaiming pulp from waste papers
US7029553B1 (en) Urea sulfate and urea hydrochloride in paper and pulp processing
US3216839A (en) Free lignin solutions and method of making and using same
CN105672019A (zh) 一种利用杨木p-rc apmp 生产的高松厚白卡纸及其生产工艺
US3619347A (en) Recovery of wastepaper treated with urea or the like resins to impart wet strength
CN100579647C (zh) 一种助留助滤剂
US2582496A (en) Deinking and bleaching of paper
CN100359094C (zh) 使用烷氧基化烷基醇表面活性剂脱除纸浆中树脂的方法
US5866669A (en) Sulfonated phenol-formaldehyde resin for paper-making
US5385639A (en) Deinking wastepaper printed with oil-based ink
US4074966A (en) Stable concentrated liquid preparation of a paper dye of the disazo class
US3767524A (en) Composition for reclaiming pulp from waste papers
US1839449A (en) Paper manufacture
KR830002040B1 (ko) 펄프제조용 약제
JPH0663188B2 (ja) 紙・パルプ工場におけるピツチ障害抑制方法

Legal Events

Date Code Title Description
MKEX Expiry