JP2854072B2 - 製紙の際に妨害物質を定着させる方法 - Google Patents

製紙の際に妨害物質を定着させる方法

Info

Publication number: JP2854072B2
Authority: JP; Japan
Prior art keywords: polymer; weight; papermaking; fixing; quaternary
Prior art date: 1989-02-18
Legal status (The legal status 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 status listed.): Expired - Fee Related

Application number

JP2036425A

Other languages

English (en)

Japanese (ja)

Other versions

JPH02259195A (ja

Inventor

ハルタン・ハンス‐ゲオルク

ラントシヤイト・アルフオンス

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Stockhausen GmbH and Co KG

Original Assignee

Chemische Fabrik Stockhausen GmbH

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.)

1989-02-18

Filing date

1990-02-19

Publication date

1999-02-03

1990-02-19 Application filed by Chemische Fabrik Stockhausen GmbH filed Critical Chemische Fabrik Stockhausen GmbH

1990-10-19 Publication of JPH02259195A publication Critical patent/JPH02259195A/ja

1999-02-03 Application granted granted Critical

1999-02-03 Publication of JP2854072B2 publication Critical patent/JP2854072B2/ja

2014-02-03 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

239000000126 substance Substances 0.000 title claims abstract description 29
230000002452 interceptive effect Effects 0.000 title claims description 23
239000003795 chemical substances by application Substances 0.000 claims abstract description 29
229920000642 polymer Polymers 0.000 claims abstract description 26
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
238000000034 method Methods 0.000 claims abstract description 19
ZWAPMFBHEQZLGK-UHFFFAOYSA-N 5-(dimethylamino)-2-methylidenepentanamide Chemical compound CN(C)CCCC(=C)C(N)=O ZWAPMFBHEQZLGK-UHFFFAOYSA-N 0.000 claims abstract description 6
FLCAEMBIQVZWIF-UHFFFAOYSA-N 6-(dimethylamino)-2-methylhex-2-enamide Chemical compound CN(C)CCCC=C(C)C(N)=O FLCAEMBIQVZWIF-UHFFFAOYSA-N 0.000 claims abstract description 6
125000002091 cationic group Chemical group 0.000 claims abstract description 6
SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 5
NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 5
CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims abstract description 4
HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims abstract description 3
XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 claims description 4
DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 3
KCXMKQUNVWSEMD-UHFFFAOYSA-N benzyl chloride Chemical compound ClCC1=CC=CC=C1 KCXMKQUNVWSEMD-UHFFFAOYSA-N 0.000 claims description 2
229940073608 benzyl chloride Drugs 0.000 claims description 2
RDHPKYGYEGBMSE-UHFFFAOYSA-N bromoethane Chemical compound CCBr RDHPKYGYEGBMSE-UHFFFAOYSA-N 0.000 claims description 2
IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 2
VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 claims description 2
239000000203 mixture Substances 0.000 claims description 2
239000000178 monomer Substances 0.000 claims description 2
NEHMKBQYUWJMIP-NJFSPNSNSA-N chloro(114C)methane Chemical compound [14CH3]Cl NEHMKBQYUWJMIP-NJFSPNSNSA-N 0.000 claims 1
QNIRRHUUOQAEPB-UHFFFAOYSA-N 2-(prop-2-enoylamino)butane-2-sulfonic acid Chemical compound CCC(C)(S(O)(=O)=O)NC(=O)C=C QNIRRHUUOQAEPB-UHFFFAOYSA-N 0.000 abstract 1
239000000123 paper Substances 0.000 description 16
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
230000018044 dehydration Effects 0.000 description 9
238000006297 dehydration reaction Methods 0.000 description 9
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
230000014759 maintenance of location Effects 0.000 description 8
239000000243 solution Substances 0.000 description 8
239000000725 suspension Substances 0.000 description 7
238000005259 measurement Methods 0.000 description 6
BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 5
239000000463 material Substances 0.000 description 5
238000006116 polymerization reaction Methods 0.000 description 5
USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 5
239000000047 product Substances 0.000 description 5
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
229920001131 Pulp (paper) Polymers 0.000 description 4
125000000129 anionic group Chemical group 0.000 description 4
229910000019 calcium carbonate Inorganic materials 0.000 description 4
238000001816 cooling Methods 0.000 description 4
229910001873 dinitrogen Inorganic materials 0.000 description 4
238000004519 manufacturing process Methods 0.000 description 4
239000010893 paper waste Substances 0.000 description 4
239000008399 tap water Substances 0.000 description 4
235000020679 tap water Nutrition 0.000 description 4
238000012360 testing method Methods 0.000 description 4
239000002351 wastewater Substances 0.000 description 4
238000010009 beating Methods 0.000 description 3
230000000052 comparative effect Effects 0.000 description 3
230000000694 effects Effects 0.000 description 3
239000000835 fiber Substances 0.000 description 3
239000000706 filtrate Substances 0.000 description 3
239000000834 fixative Substances 0.000 description 3
238000003756 stirring Methods 0.000 description 3
OEIXGLMQZVLOQX-UHFFFAOYSA-N trimethyl-[3-(prop-2-enoylamino)propyl]azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CCCNC(=O)C=C OEIXGLMQZVLOQX-UHFFFAOYSA-N 0.000 description 3
239000002023 wood Substances 0.000 description 3
NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
229920006317 cationic polymer Polymers 0.000 description 2
NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
238000001035 drying Methods 0.000 description 2
UYMKPFRHYYNDTL-UHFFFAOYSA-N ethenamine Chemical compound NC=C UYMKPFRHYYNDTL-UHFFFAOYSA-N 0.000 description 2
239000008394 flocculating agent Substances 0.000 description 2
238000012544 monitoring process Methods 0.000 description 2
229920002401 polyacrylamide Polymers 0.000 description 2
238000012545 processing Methods 0.000 description 2
230000000717 retained effect Effects 0.000 description 2
239000007787 solid Substances 0.000 description 2
238000001179 sorption measurement Methods 0.000 description 2
UZNHKBFIBYXPDV-UHFFFAOYSA-N trimethyl-[3-(2-methylprop-2-enoylamino)propyl]azanium;chloride Chemical compound [Cl-].CC(=C)C(=O)NCCC[N+](C)(C)C UZNHKBFIBYXPDV-UHFFFAOYSA-N 0.000 description 2
PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
229920002488 Hemicellulose Polymers 0.000 description 1
230000002378 acidificating effect Effects 0.000 description 1
235000019270 ammonium chloride Nutrition 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
239000007844 bleaching agent Substances 0.000 description 1
238000007664 blowing Methods 0.000 description 1
229920002678 cellulose Polymers 0.000 description 1
239000001913 cellulose Substances 0.000 description 1
239000003153 chemical reaction reagent Substances 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
238000005260 corrosion Methods 0.000 description 1
230000003111 delayed effect Effects 0.000 description 1
230000006866 deterioration Effects 0.000 description 1
238000010790 dilution Methods 0.000 description 1
239000012895 dilution Substances 0.000 description 1
229940079593 drug Drugs 0.000 description 1
239000003814 drug Substances 0.000 description 1
239000000975 dye Substances 0.000 description 1
239000003792 electrolyte Substances 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
238000001914 filtration Methods 0.000 description 1
239000013505 freshwater Substances 0.000 description 1
150000004676 glycans Chemical class 0.000 description 1
239000000416 hydrocolloid Substances 0.000 description 1
230000001771 impaired effect Effects 0.000 description 1
239000008235 industrial water Substances 0.000 description 1
229930013686 lignan Natural products 0.000 description 1
150000005692 lignans Chemical class 0.000 description 1
235000009408 lignans Nutrition 0.000 description 1
229940050176 methyl chloride Drugs 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
239000000049 pigment Substances 0.000 description 1
229920000371 poly(diallyldimethylammonium chloride) polymer Polymers 0.000 description 1
229920001282 polysaccharide Polymers 0.000 description 1
239000005017 polysaccharide Substances 0.000 description 1
230000008092 positive effect Effects 0.000 description 1
230000002028 premature Effects 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
102200150779 rs200154873 Human genes 0.000 description 1
238000004062 sedimentation Methods 0.000 description 1
238000004513 sizing Methods 0.000 description 1
239000002002 slurry Substances 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
238000000967 suction filtration Methods 0.000 description 1
230000008961 swelling Effects 0.000 description 1
239000002699 waste material Substances 0.000 description 1
229920003169 water-soluble polymer Polymers 0.000 description 1

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
- D21H17/20—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
- 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
- D21H21/02—Agents for preventing deposition on the paper mill equipment, e.g. pitch or slime control

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Paper (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Water Treatment By Sorption (AREA)
Separation Using Semi-Permeable Membranes (AREA)
Analysing Materials By The Use Of Radiation (AREA)
Surgical Instruments (AREA)

JP2036425A 1989-02-18 1990-02-19 製紙の際に妨害物質を定着させる方法 Expired - Fee Related JP2854072B2 (ja)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3905049A DE3905049A1 (de)	1989-02-18	1989-02-18	Verfahren zur stoerstoffixierung bei der papierherstellung
DE3905049.1		1989-02-18

Publications (2)

Publication Number	Publication Date
JPH02259195A JPH02259195A (ja)	1990-10-19
JP2854072B2 true JP2854072B2 (ja)	1999-02-03

Family

ID=6374441

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP2036425A Expired - Fee Related JP2854072B2 (ja)	1989-02-18	1990-02-19	製紙の際に妨害物質を定着させる方法

Country Status (10)

Country	Link
EP (1)	EP0384268B1 (de)
JP (1)	JP2854072B2 (de)
AT (1)	ATE106964T1 (de)
AU (1)	AU634208B2 (de)
CA (1)	CA2010189C (de)
DE (2)	DE3905049A1 (de)
DK (1)	DK0384268T3 (de)
ES (1)	ES2055181T3 (de)
FI (1)	FI100117B (de)
HU (1)	HUT53165A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3740549B2 (ja) *	1990-03-30	2006-02-01	アルザ・コーポレーション	イオン侵透療法による薬剤投与の装置と方法
DE4409580A1 (de) *	1994-03-21	1995-09-28	Bayer Ag	Verfahren zur Störstoffixierung bei der Papierherstellung
JP4594656B2 (ja) *	2004-06-10	2010-12-08	油化産業株式会社	ピッチコントロール剤

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL7308872A (de) *	1972-07-12	1974-01-15
ZA774417B (en) *	1976-08-02	1978-08-30	Rohm & Haas	Method of controlling pitch
US4190491A (en) *	1976-08-02	1980-02-26	Rohm And Haas Company	Process for controlling pitch in papermaking
JPS5916563B2 (ja) *	1976-11-04	1984-04-16	日東化学工業株式会社	水溶性カチオン重合体の製法
AU8039982A (en) *	1981-02-17	1982-08-26	Calgon Corporation	Reducing deposition of resins in paper production
AU8040082A (en) *	1981-02-17	1982-08-26	Calgon Corporation	Reducing deposition of resins in paper production
US4391932A (en) *	1982-01-22	1983-07-05	Nalco Chemical Company	Polycationic latices of dimethylaminopropyl-acrylamide, and their use of as sludge dewatering agents and/or paper retention aids
US4444971A (en) *	1983-07-25	1984-04-24	Texaco Inc.	Acrylic and methacrylic quaternary chloromethyl ammonium chloride cationic monomers and polymers thereof
DE3544909A1 (de) *	1985-12-19	1987-06-25	Stockhausen Chem Fab Gmbh	Copolymere aus acrylamid und dimethylaminopropylacrylamid als flockungsmittel und verfahren zum entwaessern von klaerschlaemmen unter verwendung dieser flockungsmittel
DE3620065A1 (de) *	1986-06-14	1987-12-17	Basf Ag	Verfahren zur herstellung von papier, pappe und karton
DE3627407C2 (de) *	1986-08-13	1994-05-19	Steinbeis Temming Papier Gmbh	Verfahren zur Reinigung von Wasserkreisläufen bei der Halbstoff- und Papierherstellung
DE3704173A1 (de) *	1987-02-11	1988-08-25	Wolff Walsrode Ag	Neue mittel fuer die papierherstellung
JPS6461595A (en) *	1987-08-28	1989-03-08	Sanyo Chemical Ind Ltd	Papermaking filterability enhancer

1989
- 1989-02-18 DE DE3905049A patent/DE3905049A1/de not_active Withdrawn
1990
- 1990-02-13 DK DK90102772.2T patent/DK0384268T3/da active
- 1990-02-13 AT AT90102772T patent/ATE106964T1/de not_active IP Right Cessation
- 1990-02-13 EP EP90102772A patent/EP0384268B1/de not_active Expired - Lifetime
- 1990-02-13 ES ES90102772T patent/ES2055181T3/es not_active Expired - Lifetime
- 1990-02-13 DE DE59005979T patent/DE59005979D1/de not_active Expired - Fee Related
- 1990-02-15 CA CA002010189A patent/CA2010189C/en not_active Expired - Fee Related
- 1990-02-16 FI FI900785A patent/FI100117B/fi active IP Right Grant
- 1990-02-16 HU HU90837A patent/HUT53165A/hu unknown
- 1990-02-16 AU AU49815/90A patent/AU634208B2/en not_active Ceased
- 1990-02-19 JP JP2036425A patent/JP2854072B2/ja not_active Expired - Fee Related

Also Published As

Publication number	Publication date
FI900785A0 (fi)	1990-02-16
CA2010189C (en)	2001-04-17
EP0384268A1 (de)	1990-08-29
CA2010189A1 (en)	1990-08-18
FI100117B (fi)	1997-09-30
JPH02259195A (ja)	1990-10-19
AU4981590A (en)	1990-08-23
HUT53165A (en)	1990-09-28
ES2055181T3 (es)	1994-08-16
DE3905049A1 (de)	1990-08-23
HU900837D0 (en)	1990-05-28
EP0384268B1 (de)	1994-06-08
DE59005979D1 (de)	1994-07-14
ATE106964T1 (de)	1994-06-15
DK0384268T3 (da)	1994-10-03
AU634208B2 (en)	1993-02-18

Legal Events

Date	Code	Title	Description
2004-11-02	R250	Receipt of annual fees	Free format text: JAPANESE INTERMEDIATE CODE: R250
2005-11-08	R250	Receipt of annual fees	Free format text: JAPANESE INTERMEDIATE CODE: R250
2006-11-21	R250	Receipt of annual fees	Free format text: JAPANESE INTERMEDIATE CODE: R250
2007-12-11	FPAY	Renewal fee payment (event date is renewal date of database)	Free format text: PAYMENT UNTIL: 20081120 Year of fee payment: 10
2008-12-09	FPAY	Renewal fee payment (event date is renewal date of database)	Free format text: PAYMENT UNTIL: 20091120 Year of fee payment: 11
2009-11-20	LAPS	Cancellation because of no payment of annual fees

Publication	Publication Date	Title
US5064909A (en)	1991-11-12	Vinylamine copolymer, flocculating agent and paper strength increasing agent using the same, as well as process for producing the same
US6635754B1 (en)	2003-10-21	Cellulose particles, method for producing them and their use
US3597314A (en)	1971-08-03	Method of improving the drainage of cellulose fiber suspensions with polymers of n-vinyl-n-methyl-formamide
US4894119A (en)	1990-01-16	Retention and/or drainage and/or dewatering aid
US5037927A (en)	1991-08-06	Vinylamine copolymer and process for producing same
NO174724B (no)	1994-03-14	Fremgangsmaate for fremstilling av papir og papp
JPH05106193A (ja)	1993-04-27	紙、板紙及び厚紙の製法
EP0986672B1 (de)	2002-11-27	Verwendung von dendrimeren polymeren für die herstellung von papier und pappe
US5292404A (en)	1994-03-08	Process for trash removal or pitch-like resin control in the paper manufacture
US5098521A (en)	1992-03-24	Production of paper, board and cardboard from paper stocks containing foreign materials
US3234076A (en)	1966-02-08	Method of improving retention of fillers in paper making with acrylamidediallylamine copolymer
EP0877120B1 (de)	2000-03-22	Verfahren zur herstellung von papier
WO2000034581A1 (en)	2000-06-15	Polyampholyte coagulant in the papermaking process
JP2854072B2 (ja)	1999-02-03	製紙の際に妨害物質を定着させる方法
FI95827C (fi)	1996-03-25	Menetelmä paperin ja kartongin valmistamiseksi
USRE34903E (en)	1995-04-11	Vinylamine copolymer, flocculating agent and paper strength increasing agent using the same, as well as process for producing the same
EP0155503B1 (de)	1988-03-16	Entwässerung von nassen Papierbahnen durch Anwendung von polymeren Mannich-Acrylamiden
NO841007L (no)	1984-09-17	Fremgangsmaate til aa forbedre retensjonen av fyllstoffer og masse-finstoffer og oeke avvanningshastigheten ved papirfremstilling
JPH07279091A (ja)	1995-10-24	製紙における妨害性物質の固定法
WO2024030822A1 (en)	2024-02-08	Additive compositions and methods for papermaking with high-kappa furnishes
WO2025006743A2 (en)	2025-01-02	Use of amphoteric emulsion polymers with strength resins as retention and drainage aids
RU2132425C1 (ru)	1999-06-27	Способ изготовления типографской бумаги
EA050159B1 (ru)	2025-06-16	Способ увеличения эффективности химических добавок в системах для изготовления бумаги
MXPA00000326A (en)	2001-06-26	Method for reducing the polymer and bentonite requirement in papermaking