CH510168A - Process for the production of high yield and high degree of whiteness pastes for paper use - Google Patents

Process for the production of high yield and high degree of whiteness pastes for paper use

Info

Publication number
CH510168A
CH510168A CH1589869A CH1589869A CH510168A CH 510168 A CH510168 A CH 510168A CH 1589869 A CH1589869 A CH 1589869A CH 1589869 A CH1589869 A CH 1589869A CH 510168 A CH510168 A CH 510168A
Authority
CH
Switzerland
Prior art keywords
whiteness
pastes
production
paper use
high degree
Prior art date
Application number
CH1589869A
Other languages
Italian (it)
Inventor
Kruger Emilio
Ruffini Guglielmo
Gandini Giovanni
Ghislandi Franco
Original Assignee
Vita Mayer & C Gia
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 Vita Mayer & C Gia filed Critical Vita Mayer & C Gia
Publication of CH510168A publication Critical patent/CH510168A/en

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
    • 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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Vehicle Body Suspensions (AREA)
CH1589869A 1969-07-30 1969-10-24 Process for the production of high yield and high degree of whiteness pastes for paper use CH510168A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2028569 1969-07-30
IT2255069 1969-09-26

Publications (1)

Publication Number Publication Date
CH510168A true CH510168A (en) 1971-07-15

Family

ID=26327474

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1589869A CH510168A (en) 1969-07-30 1969-10-24 Process for the production of high yield and high degree of whiteness pastes for paper use

Country Status (13)

Country Link
JP (1) JPS5025041B1 (en)
BE (1) BE741017A (en)
CH (1) CH510168A (en)
DD (1) DD98711A1 (en)
GB (1) GB1288243A (en)
HU (1) HU163366B (en)
IL (1) IL33277A (en)
LU (1) LU59701A1 (en)
NL (1) NL7000037A (en)
NO (1) NO128667B (en)
RO (1) RO61970A (en)
SU (1) SU524533A3 (en)
YU (1) YU33632B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2615874B1 (en) * 1987-05-25 1992-02-21 Atochem PROCESS FOR THE PREPARATION OF CHEMICOTHERMOMECHANICAL PASTES
US5338402A (en) * 1987-05-25 1994-08-16 Societe Atochem Process for preparing a bleached chemithermomechanical pulp
JP4738662B2 (en) * 2001-08-03 2011-08-03 日本製紙株式会社 Newspaper
DE102006061480A1 (en) * 2006-12-23 2008-06-26 Voith Patent Gmbh Producing fibrous material comprises producing a chemical solution, mixing the chemical solution with wood and/or annual plant; heating the chemical solution and pulping and then separating the woods and the chemical solution

Also Published As

Publication number Publication date
YU33632B (en) 1977-10-31
IL33277A0 (en) 1969-12-31
IL33277A (en) 1973-05-31
HU163366B (en) 1973-07-28
GB1288243A (en) 1972-09-06
SU524533A3 (en) 1976-08-05
RO61970A (en) 1977-07-15
LU59701A1 (en) 1970-01-12
DD98711A1 (en) 1973-07-12
NO128667B (en) 1973-12-27
BE741017A (en) 1970-04-01
NL7000037A (en) 1971-02-02
JPS5025041B1 (en) 1975-08-20
YU283169A (en) 1977-04-30

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Legal Events

Date Code Title Description
PL Patent ceased