KR920012662A - 시이트나 웨브(web)형 셀룰로오스 섬유함유제품의 제조방법 - Google Patents

시이트나 웨브(web)형 셀룰로오스 섬유함유제품의 제조방법 Download PDF

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Publication number
KR920012662A
KR920012662A KR1019910022188A KR910022188A KR920012662A KR 920012662 A KR920012662 A KR 920012662A KR 1019910022188 A KR1019910022188 A KR 1019910022188A KR 910022188 A KR910022188 A KR 910022188A KR 920012662 A KR920012662 A KR 920012662A
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KR
South Korea
Prior art keywords
cationic
carbohydrate polymer
suspension
added
inorganic particles
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KR1019910022188A
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English (en)
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KR960015749B1 (ko
Inventor
크옐 요한슨
한스 에릭 요한슨
스테판 클룁페르
Original Assignee
자이드 쉴트
에카 노벨 에이비
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Application filed by 자이드 쉴트, 에카 노벨 에이비 filed Critical 자이드 쉴트
Publication of KR920012662A publication Critical patent/KR920012662A/ko
Application granted granted Critical
Publication of KR960015749B1 publication Critical patent/KR960015749B1/ko

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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
    • 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
    • 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
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/31—Gums
    • D21H17/32—Guar or other polygalactomannan gum
    • 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
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • D21H17/29—Starch 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Laminated Bodies (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)

Abstract

내용 없음

Description

시이트나 웨브(web)형 셀룰로오스 섬유함유제품의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (12)

  1. 섬유와 충진제를 함유하는 셀룰로오스 현탁물로부터 얻을수 있고 이 현탁물에 대해 음이온성 무기입자와 양이온 탄화수소 고분자를 첨가하고 와이어 상에서 현탁물을 형성하고 다시 건조하는 것으로서, 먼저 현탁물에 대해 음이온성 무기입자와 또한 0.02의 치환도를 갖고 0.01중량% 알루미늄의 함유된 양이온 전분이나 양이온 갈락토만난인 양이온 탄수화물 고분자를 현탁물에 첨가하는 것을 특징으로 하는 시이트 또는 웨브형 셀룰로오스 섬유함유 제품의 제조방법.
  2. 제1항에 있어서, 양이온 탄수화물 고분자가 양이온 전분인 것을 특징으로 하는 방법.
  3. 제1항에 있어서, 양이온 탄수화물 고분자가 양이온 구아검인 것을 특징으로 하는 제조방법.
  4. 제1,2 또는 3항에 있어서, 양이온 탄수화물 고분자의 치환도가 0.07이상인 것을 특징으로 하는 제조방법.
  5. 제4항에 있어서, 양이온 탄수화물 고분자의 치환도가 0.07내지 1.0인 것을 특징으로 하는 제조방법.
  6. 전술한 항중 한 항에 있어서, 양이온 탄수화물 고분자에 0.05내지 5중량%의 알루미늄이 함유된 것을 특징으로 하는 제조방법.
  7. 제1항에 있어서, 음이온 무기입자가 실리카 기초 입자인 것을 특징으로 하는 제조방법.
  8. 제7항에 있어서, 음이온 무기입자가 콜로이드 실리카, 콜로이드 알루미늄 변형 실리카, 콜로이드 알루미늄 규산염 또는 다중규산인 것을 특징으로 하는 제조방법.
  9. 제1항에 있어서, 음이온 무기입자가 벤토나이트인 것을 특징으로 하는 제조방법.
  10. 제1항 내지 6항중 한 항에 있어서, 양이온 탄수화물 고분자를 무수섬유 및 충진제상에서 무수상태로 0.1㎏/t의 양만큼 현탁물에 첨가하는 것을 특징으로 하는 제조방법.
  11. 제1,7,8 또는 9항에 있어서, 음이온 입자를 무수섬유 및 충진제상에서 무수형태로 0.01㎏/t의 양만큼 현탁물에 첨가하는 것을 특징으로 하는 제조방법.
  12. 전술한 항중 한항에 있어서, 시이트나 웨브형 제품이 종이인 것을 특징으로 하는 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910022188A 1990-12-11 1991-12-05 시이트나 웨브(web)형 세룰로오스 섬유함유 제품의 제조방법 KR960015749B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9003954A SE9003954L (sv) 1990-12-11 1990-12-11 Saett foer framstaellning av ark- eller banformiga cellulosafiberinnehaallande produkter
SE9003954-6 1990-12-11

Publications (2)

Publication Number Publication Date
KR920012662A true KR920012662A (ko) 1992-07-27
KR960015749B1 KR960015749B1 (ko) 1996-11-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910022188A KR960015749B1 (ko) 1990-12-11 1991-12-05 시이트나 웨브(web)형 세룰로오스 섬유함유 제품의 제조방법

Country Status (16)

Country Link
US (1) US5277764A (ko)
EP (1) EP0490425B1 (ko)
JP (1) JP2609186B2 (ko)
KR (1) KR960015749B1 (ko)
AR (1) AR245801A1 (ko)
AT (1) ATE103024T1 (ko)
AU (1) AU654306B2 (ko)
BR (1) BR9105303A (ko)
CA (1) CA2057097C (ko)
DE (1) DE69101427T2 (ko)
DK (1) DK0490425T3 (ko)
ES (1) ES2051075T3 (ko)
FI (1) FI106733B (ko)
NO (1) NO178470C (ko)
PT (1) PT99769B (ko)
SE (1) SE9003954L (ko)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9205973A (pt) * 1991-07-02 1994-08-02 Eka Nobel Ab Processo para a fabricação de papel
US5830305A (en) 1992-08-11 1998-11-03 E. Khashoggi Industries, Llc Methods of molding articles having an inorganically filled organic polymer matrix
US5662731A (en) 1992-08-11 1997-09-02 E. Khashoggi Industries Compositions for manufacturing fiber-reinforced, starch-bound articles having a foamed cellular matrix
US5709827A (en) 1992-08-11 1998-01-20 E. Khashoggi Industries Methods for manufacturing articles having a starch-bound cellular matrix
US5783126A (en) 1992-08-11 1998-07-21 E. Khashoggi Industries Method for manufacturing articles having inorganically filled, starch-bound cellular matrix
US5582670A (en) 1992-08-11 1996-12-10 E. Khashoggi Industries Methods for the manufacture of sheets having a highly inorganically filled organic polymer matrix
US5683772A (en) 1992-08-11 1997-11-04 E. Khashoggi Industries Articles having a starch-bound cellular matrix reinforced with uniformly dispersed fibers
US5506046A (en) 1992-08-11 1996-04-09 E. Khashoggi Industries Articles of manufacture fashioned from sheets having a highly inorganically filled organic polymer matrix
US5830548A (en) 1992-08-11 1998-11-03 E. Khashoggi Industries, Llc Articles of manufacture and methods for manufacturing laminate structures including inorganically filled sheets
US5810961A (en) 1993-11-19 1998-09-22 E. Khashoggi Industries, Llc Methods for manufacturing molded sheets having a high starch content
US5800647A (en) 1992-08-11 1998-09-01 E. Khashoggi Industries, Llc Methods for manufacturing articles from sheets having a highly inorganically filled organic polymer matrix
US5545450A (en) 1992-08-11 1996-08-13 E. Khashoggi Industries Molded articles having an inorganically filled organic polymer matrix
US5508072A (en) 1992-08-11 1996-04-16 E. Khashoggi Industries Sheets having a highly inorganically filled organic polymer matrix
US5580624A (en) 1992-08-11 1996-12-03 E. Khashoggi Industries Food and beverage containers made from inorganic aggregates and polysaccharide, protein, or synthetic organic binders, and the methods of manufacturing such containers
US5660903A (en) 1992-08-11 1997-08-26 E. Khashoggi Industries Sheets having a highly inorganically filled organic polymer matrix
US5618341A (en) 1992-08-11 1997-04-08 E. Khashoggi Industries Methods for uniformly dispersing fibers within starch-based compositions
US5851634A (en) 1992-08-11 1998-12-22 E. Khashoggi Industries Hinges for highly inorganically filled composite materials
US5679145A (en) 1992-08-11 1997-10-21 E. Khashoggi Industries Starch-based compositions having uniformly dispersed fibers used to manufacture high strength articles having a fiber-reinforced, starch-bound cellular matrix
US5658603A (en) 1992-08-11 1997-08-19 E. Khashoggi Industries Systems for molding articles having an inorganically filled organic polymer matrix
US5928741A (en) 1992-08-11 1999-07-27 E. Khashoggi Industries, Llc Laminated articles of manufacture fashioned from sheets having a highly inorganically filled organic polymer matrix
US5716675A (en) 1992-11-25 1998-02-10 E. Khashoggi Industries Methods for treating the surface of starch-based articles with glycerin
DK169728B1 (da) 1993-02-02 1995-01-23 Stein Gaasland Fremgangsmåde til frigørelse af cellulosebaserede fibre fra hinanden i vand og støbemasse til plastisk formning af celluloseholdige fiberprodukter
US5738921A (en) 1993-08-10 1998-04-14 E. Khashoggi Industries, Llc Compositions and methods for manufacturing sealable, liquid-tight containers comprising an inorganically filled matrix
US6083586A (en) 1993-11-19 2000-07-04 E. Khashoggi Industries, Llc Sheets having a starch-based binding matrix
US5736209A (en) 1993-11-19 1998-04-07 E. Kashoggi, Industries, Llc Compositions having a high ungelatinized starch content and sheets molded therefrom
US5843544A (en) 1994-02-07 1998-12-01 E. Khashoggi Industries Articles which include a hinged starch-bound cellular matrix
US5776388A (en) 1994-02-07 1998-07-07 E. Khashoggi Industries, Llc Methods for molding articles which include a hinged starch-bound cellular matrix
US5705203A (en) 1994-02-07 1998-01-06 E. Khashoggi Industries Systems for molding articles which include a hinged starch-bound cellular matrix
US5571494A (en) * 1995-01-20 1996-11-05 J. M. Huber Corporation Temperature-activated polysilicic acids
FR2732368B1 (fr) * 1995-03-31 1997-06-06 Roquette Freres Nouveau procede de fabrication de papier
FR2743810B1 (fr) 1996-01-23 1998-04-10 Roquette Freres Polysaccharides cationiques modifies, compositions pour le collage les contenant et procedes pour le collage de structures planes mettant en oeuvre ces compositions
SE9600285D0 (sv) 1996-01-26 1996-01-26 Eka Nobel Ab Modification of starch
US5808053A (en) * 1996-01-26 1998-09-15 Eka Chemicals Ab Modificaton of starch
US6168857B1 (en) 1996-04-09 2001-01-02 E. Khashoggi Industries, Llc Compositions and methods for manufacturing starch-based compositions
US5858076A (en) * 1996-06-07 1999-01-12 Albion Kaolin Company Coating composition for paper and paper boards containing starch and smectite clay
FR2766849B1 (fr) * 1997-08-01 1999-12-24 Rhodia Chimie Sa Procede de fabrication de papier utilisant un nouveau systeme de retention comprenant une silice precipitee et un polymere cationique
FI104502B (fi) * 1997-09-16 2000-02-15 Metsae Serla Oyj Menetelmä paperirainan valmistamiseksi
CA2216480A1 (en) * 1997-09-26 1999-03-26 National Silicates Ltd. Paper strength enhancement by silicate/starch treatment
CO5070714A1 (es) 1998-03-06 2001-08-28 Nalco Chemical Co Proceso para la preparacion de silice coloidal estable
US7306700B1 (en) 1998-04-27 2007-12-11 Akzo Nobel Nv Process for the production of paper
KR100403839B1 (ko) * 1998-04-27 2003-11-01 악조 노벨 엔.브이. 제지 방법
FR2777918B1 (fr) * 1998-04-27 2000-06-23 Rhodia Chimie Sa Procede de fabrication de papier utilisant un nouveau systeme de retention comprenant de la bentonite et un galactomanne cationique
US6217709B1 (en) 1998-11-23 2001-04-17 Hercules Incorporated Cationic starch/cationic galactomannan gum blends as strength and drainage aids
PL201407B1 (pl) * 1999-05-04 2009-04-30 Akzo Nobel Nv Zol wodny zawierający cząsteczki na bazie krzemionki, zastosowanie zolu wodnego zawierającego cząsteczki na bazie krzemionki i sposób wytwarzania papieru
US7169261B2 (en) * 1999-05-04 2007-01-30 Akzo Nobel N.V. Silica-based sols
FR2794479B1 (fr) 1999-06-04 2001-09-21 Roquette Freres Composition et procede pour la fabrication de structures planes, en particulier du papier ou du carton
US20040138438A1 (en) * 2002-10-01 2004-07-15 Fredrik Solhage Cationised polysaccharide product
US20040104004A1 (en) * 2002-10-01 2004-06-03 Fredrik Solhage Cationised polysaccharide product
US7629392B2 (en) * 2004-04-07 2009-12-08 Akzo Nobel N.V. Silica-based sols and their production and use
US7955473B2 (en) 2004-12-22 2011-06-07 Akzo Nobel N.V. Process for the production of paper
US20060254464A1 (en) 2005-05-16 2006-11-16 Akzo Nobel N.V. Process for the production of paper
US7459059B2 (en) * 2005-09-21 2008-12-02 Nalco Company Use of synthetic metal silicates for increasing retention and drainage during a papermaking process
US7494565B2 (en) * 2005-09-21 2009-02-24 Nalco Company Use of starch with synthetic metal silicates for improving a papermaking process
US8273216B2 (en) 2005-12-30 2012-09-25 Akzo Nobel N.V. Process for the production of paper
PT1969183E (pt) * 2005-12-30 2015-03-06 Akzo Nobel Nv Processo para a produção de papel
US7651590B2 (en) * 2006-03-03 2010-01-26 Birla Research Institute For Applied Sciences Flame retardant and glow resistant zinc free cellulose product
FI124464B (fi) 2009-04-29 2014-09-15 Upm Kymmene Corp Menetelmä massalietteen valmistamiseksi, massaliete ja paperi
JP5657603B2 (ja) * 2012-05-17 2015-01-21 ナルコ ケミカル カンパニーＮａｌｃｏ Ｃｈｅｍｉｃａｌ Ｃｏｍｐａｎｙ 高表面積及び高活性の安定なシリカゾルの調製方法
WO2014058581A1 (en) 2012-10-10 2014-04-17 Buckman Laboratories International, Inc. Fixation of mineral oil in paper food packaging with laccase to prevent mineral oil migration into food
US9458297B2 (en) * 2014-06-30 2016-10-04 Weyerhaeuser Nr Company Modified fiber, methods, and systems
SE541755C2 (en) * 2017-03-01 2019-12-10 Stora Enso Oyj Process for production of film comprising microfibrillated cellulose

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE432951B (sv) * 1980-05-28 1984-04-30 Eka Ab Pappersprodukt innehallande cellulosafibrer och ett bindemedelssystem som omfattar kolloidal kiselsyra och katjonisk sterkelse samt forfarande for framstellning av pappersprodukten
US4385961A (en) * 1981-02-26 1983-05-31 Eka Aktiebolag Papermaking
AU546999B2 (en) * 1980-05-28 1985-10-03 Eka A.B. Adding binder to paper making stock
SE8403062L (sv) * 1984-06-07 1985-12-08 Eka Ab Forfarande vid papperstillverkning
JPS6266202A (ja) * 1985-09-19 1987-03-25 Nobuyoshi Takemoto サイドミラ−
GB8602121D0 (en) * 1986-01-29 1986-03-05 Allied Colloids Ltd Paper & paper board
DE3604796A1 (de) * 1986-02-15 1987-08-20 Degussa Verfahren zur trockenkationisierung von staerke
US4750974A (en) * 1986-02-24 1988-06-14 Nalco Chemical Company Papermaking aid
DE3726427A1 (de) * 1987-08-08 1989-02-16 Degussa Verfahren zur trockenkationisierung von staerke ii
DE3726984A1 (de) * 1987-08-13 1989-02-23 Degussa Verfahren zur trockenkationisierung von galaktomannanen (ii)
DE68914638T2 (de) * 1988-01-13 1994-07-21 Eka Nobel Inc Polyaluminosilikat-mikrogel, verfahren und zusammensetzung.
DE68905208T3 (de) * 1988-03-28 2001-02-15 Allied Colloids Ltd., Bradford Herstellung von Papier und Pappe.
SE461156B (sv) * 1988-05-25 1990-01-15 Eka Nobel Ab Saett foer framstaellning av papper varvid formning och avvattning aeger rum i naervaro av en aluminiumfoerening, ett katjoniskt retentionsmedel och en polymer kiselsyra
US5071512A (en) * 1988-06-24 1991-12-10 Delta Chemicals, Inc. Paper making using hectorite and cationic starch
DE68906623T2 (de) * 1988-09-16 1993-11-11 Du Pont Polysilikatmikrogele als Rückhaltungs-/Entwässerungshilfsmittel bei der Papierherstellung.
SE500367C2 (sv) * 1989-11-09 1994-06-13 Eka Nobel Ab Silikasoler och förfarande för framställning av papper
SE500387C2 (sv) * 1989-11-09 1994-06-13 Eka Nobel Ab Silikasoler, förfarande för framställning av silikasoler samt användning av solerna i pappersframställning

Also Published As

Publication number Publication date
PT99769B (pt) 1999-05-31
AU654306B2 (en) 1994-11-03
AU8887391A (en) 1992-06-18
NO178470B (no) 1995-12-27
BR9105303A (pt) 1992-08-18
ES2051075T3 (es) 1994-06-01
KR960015749B1 (ko) 1996-11-20
AR245801A1 (es) 1994-02-28
DE69101427D1 (de) 1994-04-21
NO914853D0 (no) 1991-12-10
CA2057097C (en) 1997-10-28
ATE103024T1 (de) 1994-04-15
SE9003954L (sv) 1992-06-12
EP0490425A1 (en) 1992-06-17
FI915787A (fi) 1992-06-12
PT99769A (pt) 1992-11-30
FI915787A0 (fi) 1991-12-09
NO178470C (no) 1996-04-03
FI106733B (fi) 2001-03-30
SE9003954D0 (sv) 1990-12-11
JP2609186B2 (ja) 1997-05-14
DE69101427T2 (de) 1994-07-14
US5277764A (en) 1994-01-11
CA2057097A1 (en) 1992-06-12
NO914853L (no) 1992-06-12
DK0490425T3 (da) 1994-05-09
JPH04327293A (ja) 1992-11-16
EP0490425B1 (en) 1994-03-16

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