KR950032643A - 종이 펄프의 자유도를 향상시키기 위한 양이온, 음이온 다중 전극 - Google Patents
종이 펄프의 자유도를 향상시키기 위한 양이온, 음이온 다중 전극 Download PDFInfo
- Publication number
- KR950032643A KR950032643A KR1019950005025A KR19950005025A KR950032643A KR 950032643 A KR950032643 A KR 950032643A KR 1019950005025 A KR1019950005025 A KR 1019950005025A KR 19950005025 A KR19950005025 A KR 19950005025A KR 950032643 A KR950032643 A KR 950032643A
- Authority
- KR
- South Korea
- Prior art keywords
- pulp
- polymer
- acrylamide
- dry weight
- cationic
- Prior art date
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
- D21H17/005—Microorganisms or enzymes
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
-
- 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
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
-
- 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
-
- 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
-
- 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
Abstract
펄프의 무수 중량을 기준으로 하여, 셀룰로스 분해 효소를 0.05%이상 펄프에 가하는 단계, 펄프를 40℃이상의 온도에서 약 40 내지 약60분 동안 셀룰로스 분해 효소와 접촉시키는 단계, 펄프의 무수 중량을 기준으로 하여, 수용성 양이온성 중합체를 0.011%이상 가하는 단계, 펄프의 무수 중량을 기준으로 하여, 수용성의 음이온성 또는 비온성 중합체를 0.007%이상 가하는 단계 및 이렇게 처리한 펄프로 종이를 형성하는 단계를 포함하여 종이 펄프의 자유도를 개선시키는 방법이 기술되어 있다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 음이온성 중합체 A의 자유도 변화에 대한 통계학적 분석도이고, 제2도는 음이온성 중합체 B의 자유도 변화에 대한 통계학적 분석도이며, 제3도는 0.1%의 효소 용량을 구입하는데 사용하는 자유도 증가를 나타내는 개략적 플롯팅.
Claims (5)
- a)펄프의 무수 중량을 기준으로 하여, 셀룰로스 분해효소(cellulolytic enzyme) 0.05%이상을 가하는 단계, b)펄프를 40℃이상의 온도에서 약30분 내지 약60분 동안 셀룰로스 분해 효소와 접촉시키는 단계, c)펄프의 무수 중량을 기준으로 하여, 수용성 양이온성 중합체를 0.011%이상 가하는 단계, d)펄프의 무수 중량을 기준으로 하여, 아크릴아미드/아크릴산(음이온성 중합체)으로 이루어진 그룹으로부터 선택된 수용성 중합체를 0.007%이상 가하는 단계 및 e)이렇게 처리한 펄프를 종이로 형성하는 단계의 연속적인 단계를 특징으로 하여, 종이 펄프의 자유도를 개선 시키는 방법.
- 제1항에 있어서, 수용성 양이온성 중합체가 아크릴 아미드를 20 내지 80중량% 함유하는 공중합체임을 특징으로 하는 방법.
- 제2항에 있어서, 양이온성 아크릴아미드 공중합체가 아크릴아미드-디알릴디메틸 암모늄 클로라이드 공중합체임을 특징으로 하는 방법.
- 제1항에 있어서, 음이온성 중합체가 중합체의 중량에 대해 아크릴아미드 약 20 내지 95%와 음이온성 단량체 약5 내지 80%를 포함하는 아클릴아미드 중합체임을 특징으로 하는 방법.
- 제4항에 있어서, 음이온성 중합체가 아크릴산과 메타크릴산으로 이루어진 그룹 중에서 선택됨을 특징으로 하는 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/206364 | 1994-03-07 | ||
US08/206,364 US5423946A (en) | 1994-03-07 | 1994-03-07 | Cationic anionic polyelectrolytes for enhancing the freeness of paper pulp |
US8/206364 | 1994-03-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950032643A true KR950032643A (ko) | 1995-12-22 |
KR0180263B1 KR0180263B1 (ko) | 1999-04-01 |
Family
ID=22766045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950005025A KR0180263B1 (ko) | 1994-03-07 | 1995-03-07 | 종이 펄프의 여수도를 향상시키는 방법 |
Country Status (10)
Country | Link |
---|---|
US (1) | US5423946A (ko) |
EP (1) | EP0671507B1 (ko) |
JP (1) | JPH07252795A (ko) |
KR (1) | KR0180263B1 (ko) |
AU (1) | AU682087B2 (ko) |
BR (1) | BR9500843A (ko) |
CA (1) | CA2143985C (ko) |
DE (1) | DE69536016D1 (ko) |
ES (1) | ES2336511T3 (ko) |
FI (1) | FI120007B (ko) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5501770A (en) * | 1994-08-12 | 1996-03-26 | Nalco Chemical Company | Enzymes in combination with polyelectrolytes for enhancing the freeness of clarified sludge in papermaking |
WO1998006892A1 (en) * | 1996-08-16 | 1998-02-19 | International Paper Company | Enzymatic freeness enhancement |
US6331229B1 (en) * | 1999-09-08 | 2001-12-18 | Nalco Chemical Company | Method of increasing retention and drainage in papermaking using high molecular weight water-soluble anionic or monionic dispersion polymers |
JP4528478B2 (ja) * | 1999-11-19 | 2010-08-18 | バックマン・ラボラトリーズ・インターナショナル・インコーポレーテッド | 酵素とポリマーを組み合わせて使用する製紙プロセス |
US6939437B1 (en) | 1999-11-19 | 2005-09-06 | Buckman Laboratories International, Inc. | Paper making processes using enzyme and polymer combinations |
WO2004101889A2 (en) * | 2003-05-06 | 2004-11-25 | Novozymes North America, Inc. | Use of hemicellulase composition in mechanical pulp production |
JP2007518897A (ja) * | 2004-01-23 | 2007-07-12 | バックマン・ラボラトリーズ・インターナショナル・インコーポレーテッド | 製紙プロセス |
US20110108222A1 (en) * | 2009-11-11 | 2011-05-12 | International Paper Company | Effect of low dose xylanase on pulp in prebleach treatment process |
MX2012011703A (es) * | 2010-04-15 | 2012-11-06 | Buckman Labor Inc | Procesos de fabricacion de papel y sistemas que usan una combinacion de enzima y coagulante cationico. |
US8916024B2 (en) | 2011-12-01 | 2014-12-23 | Buckman Laboratories International, Inc. | Method and system for producing market pulp and products thereof |
US9011643B2 (en) | 2012-10-09 | 2015-04-21 | Solenis Technologies L.P. | Cellulase composition containing cellulase and papermaking polymers for paper dry strength application |
BR102015032911A2 (pt) | 2015-12-29 | 2017-07-04 | Fibria Celulose S.A | Process for the production of pulp pulp, pulp pulp and its use, paper |
JP2019534391A (ja) | 2016-09-16 | 2019-11-28 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | セルラーゼ酵素を含有するパルプの変性方法及びそれらの製品 |
US20190284760A1 (en) * | 2018-03-15 | 2019-09-19 | Buckman Laboratories International, Inc. | Method And System For Producing Market Pulp And Products Thereof |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2604198B1 (fr) * | 1986-09-22 | 1989-07-07 | Du Pin Cellulose | Procede de traitement d'une pate papetiere par une solution enzymatique. |
DE3713739A1 (de) * | 1987-04-24 | 1988-11-17 | Roehm Gmbh | Verfahren zum verbessern der entwaesserbarkeit von biologischem klaerschlamm |
US5169497A (en) * | 1991-10-07 | 1992-12-08 | Nalco Chemical Company | Application of enzymes and flocculants for enhancing the freeness of paper making pulp |
US5266164A (en) * | 1992-11-13 | 1993-11-30 | Nalco Chemical Company | Papermaking process with improved drainage and retention |
-
1994
- 1994-03-07 US US08/206,364 patent/US5423946A/en not_active Expired - Lifetime
-
1995
- 1995-03-06 CA CA002143985A patent/CA2143985C/en not_active Expired - Fee Related
- 1995-03-07 KR KR1019950005025A patent/KR0180263B1/ko not_active IP Right Cessation
- 1995-03-07 JP JP7047638A patent/JPH07252795A/ja active Pending
- 1995-03-07 DE DE69536016T patent/DE69536016D1/de not_active Expired - Lifetime
- 1995-03-07 EP EP95103245A patent/EP0671507B1/en not_active Expired - Lifetime
- 1995-03-07 BR BR9500843A patent/BR9500843A/pt not_active IP Right Cessation
- 1995-03-07 AU AU13685/95A patent/AU682087B2/en not_active Ceased
- 1995-03-07 ES ES95103245T patent/ES2336511T3/es not_active Expired - Lifetime
- 1995-03-07 FI FI951058A patent/FI120007B/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU682087B2 (en) | 1997-09-18 |
EP0671507B1 (en) | 2009-11-04 |
EP0671507A3 (en) | 1996-01-24 |
BR9500843A (pt) | 1995-10-24 |
FI951058A (fi) | 1995-09-08 |
CA2143985C (en) | 2006-11-28 |
KR0180263B1 (ko) | 1999-04-01 |
FI951058A0 (fi) | 1995-03-07 |
FI120007B (fi) | 2009-05-29 |
ES2336511T3 (es) | 2010-04-13 |
JPH07252795A (ja) | 1995-10-03 |
DE69536016D1 (de) | 2009-12-17 |
EP0671507A2 (en) | 1995-09-13 |
AU1368595A (en) | 1995-09-14 |
CA2143985A1 (en) | 1995-09-08 |
US5423946A (en) | 1995-06-13 |
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