EP1047834A4 - Silica-acid colloid blend in a microparticle system used in papermaking - Google Patents
Silica-acid colloid blend in a microparticle system used in papermakingInfo
- Publication number
- EP1047834A4 EP1047834A4 EP99946808A EP99946808A EP1047834A4 EP 1047834 A4 EP1047834 A4 EP 1047834A4 EP 99946808 A EP99946808 A EP 99946808A EP 99946808 A EP99946808 A EP 99946808A EP 1047834 A4 EP1047834 A4 EP 1047834A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- silica
- acid colloid
- molecular weight
- acid
- microparticle system
- Prior art date
- 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.)
- Granted
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
- 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
- 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
- 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
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/47—Condensation polymers of aldehydes or ketones
- D21H17/49—Condensation polymers of aldehydes or ketones with compounds containing hydrogen bound to nitrogen
-
- 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
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/47—Condensation polymers of aldehydes or ketones
- D21H17/49—Condensation polymers of aldehydes or ketones with compounds containing hydrogen bound to nitrogen
- D21H17/51—Triazines, e.g. melamine
-
- 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
Landscapes
- Paper (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Silicon Compounds (AREA)
Abstract
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10137998P | 1998-09-22 | 1998-09-22 | |
US101379P | 1998-09-22 | ||
PCT/US1999/020608 WO2000017450A1 (en) | 1998-09-22 | 1999-09-08 | Silica-acid colloid blend in a microparticle system used in papermaking |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1047834A1 EP1047834A1 (en) | 2000-11-02 |
EP1047834A4 true EP1047834A4 (en) | 2000-12-13 |
EP1047834B1 EP1047834B1 (en) | 2006-05-17 |
Family
ID=22284358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99946808A Expired - Lifetime EP1047834B1 (en) | 1998-09-22 | 1999-09-08 | Silica-acid colloid blend in a microparticle system used in papermaking |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP1047834B1 (en) |
JP (1) | JP2002526680A (en) |
CN (1) | CN1231639C (en) |
AT (1) | ATE326579T1 (en) |
AU (1) | AU761790B2 (en) |
BR (1) | BR9907290A (en) |
DE (1) | DE69931343T2 (en) |
ID (1) | ID25782A (en) |
NZ (1) | NZ504660A (en) |
WO (1) | WO2000017450A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005082789A1 (en) * | 2004-03-02 | 2005-09-09 | Tokuyama Corporation | Method for treating papermaking waste water and method for utilizing silica sol in papermaking |
US7828934B2 (en) * | 2004-12-21 | 2010-11-09 | Hercules Incorporated | Reactive cationic resins for use as dry and wet strength agents in sulfite ion-containing papermaking systems |
DE102004063005A1 (en) | 2004-12-22 | 2006-07-13 | Basf Ag | Process for the production of paper, cardboard and cardboard |
RU2496936C2 (en) | 2007-05-23 | 2013-10-27 | Акцо Нобель Н.В. | Method of production of cellulose product |
CA2814988A1 (en) | 2010-10-29 | 2012-05-03 | Buckman Laboratories International, Inc. | Papermaking and products made thereby with ionic crosslinked polymeric microparticle |
US9404223B2 (en) | 2012-02-01 | 2016-08-02 | Basf Se | Process for the manufacture of paper and paperboard |
CN104093902B (en) * | 2012-02-01 | 2017-09-08 | 巴斯夫欧洲公司 | The manufacture method of paper and cardboard |
CN114735713B (en) * | 2022-03-02 | 2024-03-29 | 福建同晟新材料科技股份公司 | Preparation process of synthetic silicon dioxide for papermaking additive |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4461858A (en) * | 1980-05-16 | 1984-07-24 | E. I. Du Pont De Nemours And Company | Polyvinylalcohol/melamine-formaldehyde interaction products |
US4643801A (en) * | 1986-02-24 | 1987-02-17 | Nalco Chemical Company | Papermaking aid |
US4750974A (en) * | 1986-02-24 | 1988-06-14 | Nalco Chemical Company | Papermaking aid |
EP0308752A2 (en) * | 1987-09-22 | 1989-03-29 | Nalco Chemical Company | Method for dewatering paper |
EP0335575A2 (en) * | 1988-03-28 | 1989-10-04 | Ciba Specialty Chemicals Water Treatments Limited | Production of paper and paper board |
US5382378A (en) * | 1993-02-10 | 1995-01-17 | Calgon Corporation | Composition useful for treating suspended solids and color bodies in water systems |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2485080A (en) * | 1944-01-04 | 1949-10-18 | American Cyanamid Co | Colloidal melamine-urea-formaldehyde copolymer solutions |
US4385961A (en) * | 1981-02-26 | 1983-05-31 | Eka Aktiebolag | Papermaking |
GB9410920D0 (en) * | 1994-06-01 | 1994-07-20 | Allied Colloids Ltd | Manufacture of paper |
-
1999
- 1999-09-08 AU AU59133/99A patent/AU761790B2/en not_active Ceased
- 1999-09-08 EP EP99946808A patent/EP1047834B1/en not_active Expired - Lifetime
- 1999-09-08 CN CN99801858.9A patent/CN1231639C/en not_active Expired - Fee Related
- 1999-09-08 NZ NZ504660A patent/NZ504660A/en unknown
- 1999-09-08 DE DE69931343T patent/DE69931343T2/en not_active Expired - Fee Related
- 1999-09-08 ID IDW20000962A patent/ID25782A/en unknown
- 1999-09-08 BR BR9907290-4A patent/BR9907290A/en not_active Application Discontinuation
- 1999-09-08 AT AT99946808T patent/ATE326579T1/en not_active IP Right Cessation
- 1999-09-08 WO PCT/US1999/020608 patent/WO2000017450A1/en active IP Right Grant
- 1999-09-08 JP JP2000574345A patent/JP2002526680A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4461858A (en) * | 1980-05-16 | 1984-07-24 | E. I. Du Pont De Nemours And Company | Polyvinylalcohol/melamine-formaldehyde interaction products |
US4643801A (en) * | 1986-02-24 | 1987-02-17 | Nalco Chemical Company | Papermaking aid |
US4750974A (en) * | 1986-02-24 | 1988-06-14 | Nalco Chemical Company | Papermaking aid |
EP0308752A2 (en) * | 1987-09-22 | 1989-03-29 | Nalco Chemical Company | Method for dewatering paper |
EP0335575A2 (en) * | 1988-03-28 | 1989-10-04 | Ciba Specialty Chemicals Water Treatments Limited | Production of paper and paper board |
US5382378A (en) * | 1993-02-10 | 1995-01-17 | Calgon Corporation | Composition useful for treating suspended solids and color bodies in water systems |
Also Published As
Publication number | Publication date |
---|---|
CN1231639C (en) | 2005-12-14 |
EP1047834A1 (en) | 2000-11-02 |
AU5913399A (en) | 2000-04-10 |
NZ504660A (en) | 2002-12-20 |
ATE326579T1 (en) | 2006-06-15 |
DE69931343D1 (en) | 2006-06-22 |
EP1047834B1 (en) | 2006-05-17 |
JP2002526680A (en) | 2002-08-20 |
WO2000017450A1 (en) | 2000-03-30 |
AU761790B2 (en) | 2003-06-12 |
ID25782A (en) | 2000-11-02 |
BR9907290A (en) | 2000-10-03 |
DE69931343T2 (en) | 2006-09-28 |
CN1287585A (en) | 2001-03-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ZA982842B (en) | Production of paper board and cardboard having high dry strength | |
NZ335264A (en) | Manufacture of paper by adding coagulated slurry containing undissolved starch particles to thinstock | |
NZ509528A (en) | A process to improve the drainage rate and retention of fines during papermaking | |
EP1293603A3 (en) | The production of paper using colloidal borosilicate | |
MY122329A (en) | Manufacture of paper and paperboard | |
MY111950A (en) | Aqueous dispersion polymers | |
MY108781A (en) | Papermaking process with improved retention and drainage. | |
ATE283872T1 (en) | AQUEOUS DISPERSIONS OF WATER-SOLUBLE POLYMERS OF N-VINYLCARBOMIC ACID AMIDES, METHOD FOR THEIR PRODUCTION AND THEIR USE | |
AU2003250139A1 (en) | Method for the production of paper, paperboard, and cardboard | |
CA2108028A1 (en) | A Process for the Manufacture of Paper | |
MY125687A (en) | Processes of making paper and materials for use in this | |
NO20021129D0 (en) | Process for increasing retention and drainage in papermaking using water-soluble anionic or nonionic high molecular weight dispersion polymers | |
CA2299201A1 (en) | Method for reducing the polymer and bentonite requirement in papermaking | |
NZ518466A (en) | Manufacture of paper and paperboard | |
KR970705673A (en) | IMPROVEMENTS IN OR RELATING TO APPLICATION OF MATERIAL TO A SUBSTRATE | |
PL355508A1 (en) | Wet strength agent and method for production thereof | |
EP1047834A4 (en) | Silica-acid colloid blend in a microparticle system used in papermaking | |
MX9803728A (en) | High performance polymer flocculating agents. | |
MXPA04006655A (en) | Process for manufacturing paper. | |
NO20022181L (en) | Manufacture of paper and cardboard | |
NO20010145L (en) | Microparticle system for a papermaking process | |
EP0790351A3 (en) | Papermaking process using multi-polymer retention and drainage aid | |
AU3830999A (en) | Flocculation method for making a paper sheet | |
AU1967699A (en) | Method for preparing an aqueous polymer dispersion, resulting aqueous dispersionand use thereof | |
HK1038949A1 (en) | Polycationic polymers, their production and use. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
17P | Request for examination filed |
Effective date: 20000925 |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20001027 |
|
AK | Designated contracting states |
Kind code of ref document: A4 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
17Q | First examination report despatched |
Effective date: 20030226 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
RBV | Designated contracting states (corrected) |
Designated state(s): AT BE DE DK ES FI FR GB GR IE IT NL PT SE |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
RBV | Designated contracting states (corrected) |
Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060517 Ref country code: LI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060517 Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20060517 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060517 Ref country code: CH Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060517 Ref country code: BE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060517 Ref country code: AT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060517 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D |
|
REG | Reference to a national code |
Ref country code: SE Ref legal event code: TRGR |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D |
|
REF | Corresponds to: |
Ref document number: 69931343 Country of ref document: DE Date of ref document: 20060622 Kind code of ref document: P |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060817 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060828 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060908 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060909 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060930 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20061017 |
|
NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070403 |
|
26N | No opposition filed |
Effective date: 20070220 |
|
EN | Fr: translation not filed | ||
EUG | Se: european patent has lapsed | ||
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20060908 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060908 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060818 Ref country code: FR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070309 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060908 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060517 Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060517 |