KR930008243A - 효소와 응집제를 사용하여 제지용 펄프의 여수도를 향상시키는 방법 - Google Patents

효소와 응집제를 사용하여 제지용 펄프의 여수도를 향상시키는 방법 Download PDF

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Publication number
KR930008243A
KR930008243A KR1019920018222A KR920018222A KR930008243A KR 930008243 A KR930008243 A KR 930008243A KR 1019920018222 A KR1019920018222 A KR 1019920018222A KR 920018222 A KR920018222 A KR 920018222A KR 930008243 A KR930008243 A KR 930008243A
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South Korea
Prior art keywords
pulp
enzyme
improve
acrylamide
paper
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KR1019920018222A
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English (en)
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KR100186834B1 (en
Inventor
엠. 사카 조오드
알. 코스퍼 데이비드
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피터 대브링하우젠
날코 케미칼 캄파니
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Publication of KR930008243A publication Critical patent/KR930008243A/ko
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Publication of KR100186834B1 publication Critical patent/KR100186834B1/ko

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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
    • 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
    • D21H21/06—Paper forming aids
    • D21H21/10—Retention agents or drainage improvers
    • 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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
    • 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/14—Secondary fibres
    • 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
    • D21H17/005—Microorganisms or enzymes
    • 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

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Paper (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

(a)펄프의 건조중량을 기준으로 하여 0.05% 이상의 셀룰로오즈계 효소를 펄프에 가하는 단계; (b) 펄프를 20℃ 이상에서 20분 이상동안 셀룰로오즈계 효소와 접촉시키는 단계; (c) 펄프의 건조중량을 기준으로 하여 0.0007%이상의 수용성 양이온성 중합체를 가하는 단계 및; (d) 이렇게 처리된 펄프를 종이로 가공하는 일련의 단계들을 포함함을 특징으로 하여 제지용 펄프의 여수도를 개선시키는 방법이 기술되어 있다.

Description

효소 및 응집제를 적용하여 제지용 펄프의 여수도를 증진시키는 방법.
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도 내지 제3도는 다양한 pH 및 효소와 접촉하는 펄프의 유형에서 캐나다 표준 여수도(Canadian Standard Freeness)에 대한 효소 및 중합체 용량의 영행을 도시한 것이다.

Claims (5)

  1. (a) 펄프의 건조중량을 기준으로 하여 0.05%이상의 셀룰로오즈계 효소를 펄프에 가하는 단계, (b) 이 펄프를 20℃이상의 온도에서 셀룰로오즈계 효소와 20분 이상동안 접촉시키는 단계, (c)펄프의 건조 중량을 기준으로 하여 0.0007% 이상의 수용성 양이온성 중합체를 가하는 단계 및 (d)이렇게 처리된 펄프를 종이로 가공하는 일련의 단계들을 포함함을 특징으로 하여 제지용 펄프의 여수도(freeness)를 개선시키는 방법.
  2. 제1항에 있어서, 수용성 양이온성 중합체가 아크릴아미드 30내지 80중량%를 함유하는 공중합체임을 특징으로 하는 방법.
  3. 제2항에 있어서, 양이온성 아크릴아미드 공중합체가 아크릴아미드-DADMAC 공중합체임을 특징으로 하는 방법.
  4. 제1항에 있어서, 양이온성 중합체가 아크릴아미드-디알릴디메틸 암모늄 클로라이드임을 특징으로 하는 방법.
  5. 제1항 내지 제4항 중 어는 한 항에 있어서, 제지용 펄프가 재순환 섬유 50중량% 이상을 함유함을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920018222A 1991-10-07 1992-10-06 Application of enzymes and flocculants for enhancing the freeness of paper making pulp KR100186834B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/772,726 US5169497A (en) 1991-10-07 1991-10-07 Application of enzymes and flocculants for enhancing the freeness of paper making pulp
US7/772,726 1991-10-07

Publications (2)

Publication Number Publication Date
KR930008243A true KR930008243A (ko) 1993-05-21
KR100186834B1 KR100186834B1 (en) 1999-05-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920018222A KR100186834B1 (en) 1991-10-07 1992-10-06 Application of enzymes and flocculants for enhancing the freeness of paper making pulp

Country Status (10)

Country Link
US (1) US5169497A (ko)
EP (1) EP0536580B1 (ko)
JP (1) JP2838003B2 (ko)
KR (1) KR100186834B1 (ko)
AU (1) AU643396B2 (ko)
BR (1) BR9203889A (ko)
DE (1) DE69221060T2 (ko)
DK (1) DK0536580T3 (ko)
ES (1) ES2106804T3 (ko)
FI (1) FI105930B (ko)

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Also Published As

Publication number Publication date
DE69221060T2 (de) 1998-03-05
FI924499A (fi) 1993-04-08
FI105930B (fi) 2000-10-31
EP0536580A1 (en) 1993-04-14
AU2612892A (en) 1993-04-08
KR100186834B1 (en) 1999-05-15
DK0536580T3 (da) 1998-02-23
US5169497A (en) 1992-12-08
BR9203889A (pt) 1993-04-27
JP2838003B2 (ja) 1998-12-16
JPH06116887A (ja) 1994-04-26
DE69221060D1 (de) 1997-09-04
EP0536580B1 (en) 1997-07-23
FI924499A0 (fi) 1992-10-06
ES2106804T3 (es) 1997-11-16
AU643396B2 (en) 1993-11-11

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