FI85397B - Foerfarande foer framstaellning av papper och kartong. - Google Patents

Foerfarande foer framstaellning av papper och kartong. Download PDF

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Publication number
FI85397B
FI85397B FI864294A FI864294A FI85397B FI 85397 B FI85397 B FI 85397B FI 864294 A FI864294 A FI 864294A FI 864294 A FI864294 A FI 864294A FI 85397 B FI85397 B FI 85397B
Authority
FI
Finland
Prior art keywords
pulp
acrylamide
stock
weight
polyelectrolyte
Prior art date
Application number
FI864294A
Other languages
English (en)
Finnish (fi)
Other versions
FI85397C (sv
FI864294L (fi
FI864294A0 (fi
Inventor
Friedrich Linhart
Werner Auhorn
Rudolf Lorz
Manfred Matz
Original Assignee
Basf 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
Application filed by Basf Ag filed Critical Basf Ag
Publication of FI864294A0 publication Critical patent/FI864294A0/fi
Publication of FI864294L publication Critical patent/FI864294L/fi
Application granted granted Critical
Publication of FI85397B publication Critical patent/FI85397B/fi
Publication of FI85397C publication Critical patent/FI85397C/sv

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
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
    • 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
    • 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
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
    • D21H17/55—Polyamides; Polyaminoamides; Polyester-amides
    • 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
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
    • D21H17/56—Polyamines; Polyimines; Polyester-imides
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Making Paper Articles (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)

Claims (5)

1. Förfarande för framställning av papper och kar-tong genom att pä viran avvattna pappersmassa, som inne-5 häller hentoni t och polyelektrolyt, känneteck-n a t därav, att man till en vattenhaltig mä Id med en massakoncentration av 2,5 - 5 vikt-%, beräknat pä torr pappersmassa, a) sätter 0,1 - 2 vikt-% aktiverad bentonit och 10 sedan inställer mäldens massakoncentration tili 0,3-2 vikt-% genom utspädning med vatten, b) tillsätter 0,01 - 0,1 vikt-% katjonisk poly-elektrolyt med en laddningstäthet av minst 4 mval per 1 g polyelektrolyt (mätt vid ett pH av 4,5), läter den blan- 15 das med mälden och efter intim omröring c) doserar i mälden 0,003 - 0,03 vikt-% av en högmolekylär homopolymer, som baserar sig pä akrylamid eller metakrylamid, en högmolekylär katjonisk kopolymer, som baserar sig pä akrylamid eller metakrylamid och som har en 20 laddningstäthet av högst 3,5 mval per 1 g polyelektrolyt (mätt vid ett pH av 4,5) eller en högmolekylär, anjoniskt modifierad kopolymer av akrylamid eller metakrylamid, blandar den med pappersmassan och avvattnar den sä erhäll-na mälden pä viran. 25
2. Förfarande enligt patentkravet 1, k ä n n e - tecknat därav, att som komponent b) används poly-etyleniminer, vattenhaltiga, tvärbundna kondensationspro-dukter, som innehäller genom kondensering förbunden ety-lenimin och som baserar sig pä polyamidoaminer, polyami-30 doaminer, polyeteraminer, polyvinylaminer, polydiallylam-moniumklorid och/eller minst 10 mol-% av hydrolyserade poly-N-vinylformamider.
3. Förfarande enligt patentkravet 1, k ä n n e -tecknat därav, att som komponent c) används homo-35 polymerer av akrylamid och metakrylamid med en genom-snittlig massamolekylvikt av 1 000 000 - 20 000 000. u B5397
4. Förfarande enligt patentkravet 1, känne-t e c k n a t därav, att som komponent c) används bland-polymerer av akrylamid ooh minst en anjonisk monomer, som valts bland etyleniskt omättade C3-C5-karboxylsyror, vi- 5 nylsulfonsyra, akrylamidopropansulfonsyror och/eller alkali-, ammonium- eller aminsalter därav.
5. Förfarande enligt patentkravet 1, känne-t e c k n a t därav, att som komponent c) används bland-polymerer av akrylamid och minst en katjonisk monomer, som 10 valts bland di-C1-C2-alkylamino-C2-C6-alkyl(met)akrylater, di-Cj-C^-alkylamino-Cj-Cg-alkylimet )akrylamider ,N-vinylimi-dazoler, N-vinylpyridiner och N-vinylimidazoler, valfritt i kvaterniserad form eller i form av salter, samt diallyldi-C1-C2-alkylammoniumhalogenider. 15
FI864294A 1985-11-21 1986-10-23 Förfarande för framställning av papper och kartong FI85397C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853541163 DE3541163A1 (de) 1985-11-21 1985-11-21 Verfahren zur herstellung von papier und karton
DE3541163 1985-11-21

Publications (4)

Publication Number Publication Date
FI864294A0 FI864294A0 (fi) 1986-10-23
FI864294L FI864294L (fi) 1987-05-22
FI85397B true FI85397B (fi) 1991-12-31
FI85397C FI85397C (sv) 1992-04-10

Family

ID=6286467

Family Applications (1)

Application Number Title Priority Date Filing Date
FI864294A FI85397C (sv) 1985-11-21 1986-10-23 Förfarande för framställning av papper och kartong

Country Status (10)

Country Link
US (1) US4749444A (sv)
EP (1) EP0223223B1 (sv)
JP (1) JPS62125098A (sv)
AT (1) ATE50814T1 (sv)
AU (1) AU578404B2 (sv)
CA (1) CA1278403C (sv)
DE (2) DE3541163A1 (sv)
FI (1) FI85397C (sv)
NO (1) NO168593C (sv)
NZ (1) NZ217951A (sv)

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Also Published As

Publication number Publication date
FI85397C (sv) 1992-04-10
EP0223223B1 (de) 1990-03-07
JPH0159399B2 (sv) 1989-12-18
NO864644L (no) 1987-05-22
DE3541163A1 (de) 1987-05-27
EP0223223A1 (de) 1987-05-27
FI864294L (fi) 1987-05-22
DE3669336D1 (de) 1990-04-12
US4749444A (en) 1988-06-07
CA1278403C (en) 1991-01-02
AU578404B2 (en) 1988-10-20
ATE50814T1 (de) 1990-03-15
FI864294A0 (fi) 1986-10-23
NO168593B (no) 1991-12-02
NO864644D0 (no) 1986-11-20
NZ217951A (en) 1988-10-28
NO168593C (no) 1992-03-11
AU6397786A (en) 1987-05-28
JPS62125098A (ja) 1987-06-06

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