ES506403A0 - PROCEDURE FOR OBTAINING PAPER WITH HIGH RESISTANCE IN WET - Google Patents
PROCEDURE FOR OBTAINING PAPER WITH HIGH RESISTANCE IN WETInfo
- Publication number
- ES506403A0 ES506403A0 ES506403A ES506403A ES506403A0 ES 506403 A0 ES506403 A0 ES 506403A0 ES 506403 A ES506403 A ES 506403A ES 506403 A ES506403 A ES 506403A ES 506403 A0 ES506403 A0 ES 506403A0
- Authority
- ES
- Spain
- Prior art keywords
- melamine
- paper
- formaldehyde resin
- resin colloid
- paper stock
- 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
- 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
- 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
- D21H21/14—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 characterised by function or properties in or on the paper
- D21H21/18—Reinforcing agents
- D21H21/20—Wet strength agents
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Replacement Of Web Rolls (AREA)
Abstract
1. A process for the production of paper exhibiting high wet strenght by adding a melamine-formaldehyde resin colloid to the paper stock and dewatering the paper stock on the paper machine, wherein the melamine-formaldehyde resin colloid used is a product which has been obtained by continuously mixing a 40 to 80% strength aqueous solution of an optionally modified methylol melamine with water and acid in a mixing zone under conditions of turbulent flow at a temperature of from 40 to 110 degrees C and a pH of 2 to 4, the time which elapses between mixing of the components and addition of the mixture to the paper stock being from 1 to 300 seconds, the solids content of the melamine-formaldehyde resin colloid solution being from 5 to 20% by weight.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803039762 DE3039762A1 (en) | 1980-10-22 | 1980-10-22 | METHOD FOR PRODUCING PAPER WITH HIGH WET RESISTANCE |
Publications (2)
Publication Number | Publication Date |
---|---|
ES506403A0 true ES506403A0 (en) | 1983-02-01 |
ES8303580A1 ES8303580A1 (en) | 1983-02-01 |
Family
ID=6114904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES506403A Expired ES8303580A1 (en) | 1980-10-22 | 1981-10-21 | Process for preparing high wet-strength paper. |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0050223B1 (en) |
AT (1) | ATE4826T1 (en) |
DE (2) | DE3039762A1 (en) |
ES (1) | ES8303580A1 (en) |
FI (1) | FI66943C (en) |
NO (1) | NO160666C (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5286347A (en) * | 1992-05-05 | 1994-02-15 | Calgon Corporation | Melamine formaldehyde polymer for pitch control method |
DE9214170U1 (en) * | 1992-10-17 | 1993-03-11 | Gustav Demmler GmbH & Co, 12247 Berlin | Paper Biedermeier cuff |
GB2293612B (en) * | 1994-09-30 | 1997-04-16 | Ricoh Kk | Recording material, method of producing the same and method of recycling recording material |
DE102019127563A1 (en) | 2019-05-10 | 2020-11-12 | Hauni Maschinenbau Gmbh | Manufacture of paper drinking straws |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2233965A (en) * | 1937-05-14 | 1941-03-04 | Bennett Inc | Method of delivering and diluting aqueous dispersions of wax, rosin, and the like |
DE921300C (en) * | 1948-10-10 | 1954-12-13 | Cassella Farbwerke Mainkur Ag | Process for refining fiber material |
GB866103A (en) * | 1956-10-08 | 1961-04-26 | American Cyanamid Co | Improved melamine resin colloid and manufacture of wet-strength paper therewith |
CA986634A (en) * | 1971-12-20 | 1976-03-30 | Richard D. Sundie | Curable amino resins |
FR2446889A1 (en) * | 1979-01-17 | 1980-08-14 | Protex Manuf Prod Chimiq | Paper pulp pigmentation - by in situ formation or organic pigments from an aminoplast foam |
-
1980
- 1980-10-22 DE DE19803039762 patent/DE3039762A1/en not_active Withdrawn
-
1981
- 1981-09-15 FI FI812880A patent/FI66943C/en not_active IP Right Cessation
- 1981-09-21 EP EP81107478A patent/EP0050223B1/en not_active Expired
- 1981-09-21 AT AT81107478T patent/ATE4826T1/en not_active IP Right Cessation
- 1981-09-21 DE DE8181107478T patent/DE3161038D1/en not_active Expired
- 1981-10-21 ES ES506403A patent/ES8303580A1/en not_active Expired
- 1981-10-21 NO NO813548A patent/NO160666C/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP0050223A1 (en) | 1982-04-28 |
NO813548L (en) | 1982-04-23 |
FI812880L (en) | 1982-04-23 |
ATE4826T1 (en) | 1983-10-15 |
NO160666B (en) | 1989-02-06 |
FI66943B (en) | 1984-08-31 |
NO160666C (en) | 1989-05-16 |
DE3161038D1 (en) | 1983-11-03 |
ES8303580A1 (en) | 1983-02-01 |
EP0050223B1 (en) | 1983-09-28 |
FI66943C (en) | 1984-12-10 |
DE3039762A1 (en) | 1982-05-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19960603 |