KR920014991A - 개선된 보유성 및 배수성을 제공하는 제지 방법 - Google Patents

개선된 보유성 및 배수성을 제공하는 제지 방법 Download PDF

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KR920014991A
KR920014991A KR1019910012302A KR910012302A KR920014991A KR 920014991 A KR920014991 A KR 920014991A KR 1019910012302 A KR1019910012302 A KR 1019910012302A KR 910012302 A KR910012302 A KR 910012302A KR 920014991 A KR920014991 A KR 920014991A
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slurry
molecular weight
weight
added
polymer
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KR1019910012302A
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KR0171200B1 (ko
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제임스 베갈라 아더
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프란시스코 라다가
날코 케미칼 캄파니
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    • 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
    • D21H5/00—Special paper or cardboard not otherwise provided for
    • D21H5/12—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials
    • D21H5/14—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of cellulose fibres only
    • D21H5/141—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of cellulose fibres only of fibrous cellulose derivatives
    • 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
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
    • D21H23/06—Controlling the addition
    • D21H23/14—Controlling the addition by selecting point of addition or time of contact between components
    • 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
    • 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
    • D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
    • 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

내용 없음

Description

개선된 보유성 및 배수성을 제공하는 제지 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (20)

  1. 수성 셀룰로오스 제지 슬러리를 형성하고, 슬러리를 일회 이상의 전단 단계에 적용시키며, 적어도 일회의 전단 단계전에 광물성 충전재를 슬러리에 가하고, 광물성 충전재의 첨가후와 적어도 일회의 전단 단계전에 고분자량의 양이온성 중합체를 슬러리에 가하며, 슬러리를 배수시켜 시이트를 형성하고, 시이트를 건조시켜 종이 또는 판지를 제조하는 방법에 있어서, 상기 고분자량의 양이온성 중합체를 첨가하고 이어서 적어도 일회의 전단 단계를 수행한 후 중간 분자량의 음이온성 중합체를 상기 슬러리에 가함을 특징으로 하는 방법.
  2. 제1항에 있어서, 중간 분자량의 음이온성 중합체를 함유하는 수성 용액을 슬러리에 공급함으로써 중간 분자량의 음이온성 중합체를 슬러리에 첨가하는 방법.
  3. 제1항 또는 2항에 있어서, 고분자량의 양이온성 중합체가 적어도 500,000의 분자량을 갖고 고분자량의 양이 온성 중합체 1㎏당 적어도 약 0.2등량의 양이온성 질소의 전하 밀도를 갖는 방법.
  4. 제3항에 있어서, 고분자량의 양이온성 중합체가 적어도 5,000,000의 분자량을 갖는 방법.
  5. 제3항에 있어서, 고분자량의 양이온성 중합체가 고분자량의 양이온성 중합체 1㎏당 적어도 0.4등량의 양이온성 질소의 전하 밀도를 갖는 방법.
  6. 제1항 내지 5항중 어느 한항에 있어서, 고분자량의 양이온성 중합체가 적어도 5몰%의 양이온성 량체 단위(mer unit) 를 함유하는 방법.
  7. 제1항 내지 6항중 어느 한항에 있어서, 고분자량의 양이온성 중합체가 슬러리 고체의 건조 중량을 기준으로 적어도 0.01중량%의 양으로 슬러리에 첨가되는 방법.
  8. 제1항 내지 7항중 어느 한항에 있어서, 슬러리를 제지스크린상에서 배수시키고 배수전에 제지 스크린의 부위로 펌핑하고, 중간 분자량의 음이온성 중합체를 펌핑후와 배수전에 슬러리에 가하는 방법.
  9. 제1항 내지 8항중 어느 한항에 있어서, 슬러리가 알칼리성 화합적 펄프 슬러리인 방법.
  10. 제1항 내지 9항중 어느 한항에 있어서, 광물성 충전재가 알카리성 카보네이트 방법.
  11. 제1항 내지 10항중 어느 한항에 있어서, 광물성 충전재가 슬러리중에 함유된 무수 펄프 100중량부당 약 2내지 약 50중량부의 양으로 슬러리에 첨가 되는 방법.
  12. 제1항 내지 11항중 어느 한항에 있어서, 중간 분자량의 음이온성 중합체가 슬러리중의 무수 고체 100중량부당 약 0.005내지 약 0.5중량부의 양로 슬러리에 첨가되는 방법.
  13. 제12항에 있어서, 중간 분자량의 음이온성 중합체가 슬리중의 무수 고체 100중량부당 약 0.01 내지 약 0.2중량부의 양으로 슬러리에 첨가되는 방법.
  14. 제1항 내지 11항중 어느 한항에 있어서, 중간 분자량의 음이온성 중합체가 CaCO3와 같은 무수 광물성 충전재 100중량부당 약 0.01 내지 약 5.0중량부의 양으로 슬러리에 첨가되는 방법.
  15. 제1항 내지 11항중 어느 한항에 있어서, 중간 분자량의 음이온성 중합체가 CaCO3와 같은 무수 광물성 충전재 100중량부당 약 0.05 내지 약 0.5중량부의 양으로 슬러리에 첨가되는 방법.
  16. 제1항 내지 15항중 어느 한항에 있어서, 중간 분자량의 음이온성 중합체가 약 30,000 내지 약 5,000,000의 중량 평균 분자량을 갖는 방법.
  17. 제16항에 있어서, 중간 분자량의 음이온성 중합체가 약75,000 내지 약 1,250,000의 중량 평균 분자량을 갖는 방법.
  18. 제1항 내지 17항중 어느 한항에 있어서, 중간 분자량의 음이온성 중합체가 음이온성 중합체 1㎏당 적어도 약 3.0등량의 음이온성 산소의 음이온성 전하 밀도를 갖는 방법.
  19. 제1항 내지 17항중 어느 한항에 있어서, 중간 분자량의 음이온성 중합체가 이온화가능한 음이온성 그룹을 갖는 적어도 65몰%의 량체 단위를 갖는 방법.
  20. 제19항에 있어서, 중간 분자량의 음이온성 중합체의 적어도 몇몇 이온화가능한 음이온성 그룹이 카복실레이트 그룹인 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910012302A 1991-01-25 1991-07-19 개선된 보유성 및 배수성을 제공하는 제지방법 KR0171200B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US645,797 1991-01-25
US07/645,797 US5098520A (en) 1991-01-25 1991-01-25 Papermaking process with improved retention and drainage
US07/645.797 1991-01-25

Publications (2)

Publication Number Publication Date
KR920014991A true KR920014991A (ko) 1992-08-26
KR0171200B1 KR0171200B1 (ko) 1999-03-30

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US (1) US5098520A (ko)
EP (1) EP0497030B1 (ko)
JP (1) JP2831165B2 (ko)
KR (1) KR0171200B1 (ko)
AT (1) ATE114178T1 (ko)
AU (1) AU656541B2 (ko)
DE (1) DE69105193T2 (ko)
DK (1) DK0497030T3 (ko)
ES (1) ES2067155T3 (ko)
FI (1) FI98084C (ko)
GR (1) GR3014980T3 (ko)
MY (1) MY108781A (ko)
NO (1) NO177394C (ko)

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DK0497030T3 (da) 1995-04-18
NO177394C (no) 1995-09-06
KR0171200B1 (ko) 1999-03-30
JPH04245998A (ja) 1992-09-02
AU656541B2 (en) 1995-02-09
US5098520A (en) 1992-03-24
DE69105193D1 (de) 1994-12-22
EP0497030A1 (en) 1992-08-05
ES2067155T3 (es) 1995-03-16
NO912841L (no) 1992-07-27
NO912841D0 (no) 1991-07-19
FI913469A0 (fi) 1991-07-18
ATE114178T1 (de) 1994-12-15
GR3014980T3 (en) 1995-05-31
EP0497030B1 (en) 1994-11-17
NO177394B (no) 1995-05-29
DE69105193T2 (de) 1995-05-18
FI98084B (fi) 1996-12-31
AU8831991A (en) 1992-07-30
MY108781A (en) 1996-11-30
JP2831165B2 (ja) 1998-12-02
FI913469A (fi) 1992-07-26
FI98084C (fi) 1997-04-10

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