ES506403A0 - PROCEDURE FOR OBTAINING PAPER WITH HIGH RESISTANCE IN WET - Google Patents

PROCEDURE FOR OBTAINING PAPER WITH HIGH RESISTANCE IN WET

Info

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
Application number
ES506403A
Other languages
Spanish (es)
Other versions
ES8303580A1 (en
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.)
BASF SE
Original Assignee
BASF SE
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.)
Filing date
Publication date
Application filed by BASF SE filed Critical BASF SE
Publication of ES506403A0 publication Critical patent/ES506403A0/en
Publication of ES8303580A1 publication Critical patent/ES8303580A1/en
Expired legal-status Critical Current

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.
ES506403A 1980-10-22 1981-10-21 Process for preparing high wet-strength paper. Expired ES8303580A1 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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