SI2408966T1 - Paper coating composition - Google Patents

Paper coating composition Download PDF

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Publication number
SI2408966T1
SI2408966T1 SI201031635T SI201031635T SI2408966T1 SI 2408966 T1 SI2408966 T1 SI 2408966T1 SI 201031635 T SI201031635 T SI 201031635T SI 201031635 T SI201031635 T SI 201031635T SI 2408966 T1 SI2408966 T1 SI 2408966T1
Authority
SI
Slovenia
Prior art keywords
paper coating
coating compositions
weight
molecular weight
compositions according
Prior art date
Application number
SI201031635T
Other languages
Slovenian (sl)
Inventor
Franco Federici
Gabriele Costa
Thierry Bossi
Stefano Fumagalli
Riccardo Vago
Bassi Giuseppe Li
Original Assignee
Lamberti Spa
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 Lamberti Spa filed Critical Lamberti Spa
Publication of SI2408966T1 publication Critical patent/SI2408966T1/en

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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
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/62—Macromolecular organic compounds or oligomers thereof obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • D21H21/50—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 form
    • D21H21/52—Additives of definite length or shape
    • 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
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material
    • D21H25/12—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with an essentially cylindrical body, e.g. roll or rod
    • D21H25/14—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with an essentially cylindrical body, e.g. roll or rod the body being a casting drum, a heated roll or a calender

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

Paper coating compositions containing comb water soluble (hydrophilic) polyurethanes containing polyoxyethylene side-chains as deflocculants and water retention agents.

Description

Original document published without description

Claims (7)

Sestavek za oblaganje papirja Patentni zahtevkiPaper coating composition Patent claims 1. Sestavki za oblaganje papirja, ki obsegajo a) od 30 do 80 mas. % anorganskega pigmenta; b) od 0,05 do 3,0 masnih deležev na vsakih 100 masnih deležev pigmenta vsaj enega vodotopnega neionskega razvejanega poliuretana, ki vsebuje polioksietilenske stranske verige, od katerih ima vsaka molekulsko maso večjo od 500 in vsebnost etilen oksida od 80 do 99,9 mas. %; c) vsaj 15 mas. % vode; d) od 0,01 do 3 mas. % disperzijskega sredstva; e) od 1 do 15 mas. % veziva, pri čemer imajo sestavki za oblaganje papirja viskoznost Brookfield® pri 25 °C in 100 vrt/min manjšo od 3.000 mPa*s.Paper-coating compositions comprising a) from 30 to 80 wt. % inorganic pigment; b) from 0.05 to 3.0% by weight on every 100 parts by weight of the pigment of at least one water soluble nonionically branched polyurethane containing polyoxyethylene side chains, each having a molecular weight greater than 500 and an ethylene oxide content of 80 to 99.9 mass. %; c) at least 15% by weight. % water; d) from 0.01 to 3 wt. % dispersion agent; e) from 1 to 15 wt. % of the binder, wherein the paper coating compositions have Brookfield® viscosities at 25 ° C and 100 rpm less than 3,000 mPa * s. 2. Sestavki za oblaganje papirja po zahtevku 1, pri čemer ima razvejani poliuretan celokupno vsebnost etilen oksida večjo od 50 mas. %.The paper coating compositions according to claim 1, wherein the branched polyurethane has a total ethylene oxide content of more than 50% by weight. %. 3. Sestavki za oblaganje papirja po zahtevku 2, pri čemer ima razvejani poliuretan celokupno vsebnost etilen oksida večjo od 70 mas. %.The paper coating compositions according to claim 2, wherein the branched polyurethane has a total ethylene oxide content of greater than 70 wt. %. 4. Sestavki za oblaganje papirja po zahtevku 2 ali 3, pri čemer ima razvejani poliuretan molekulsko maso večjo od 100.000 in polioksietilenske stranske verige imajo molekulsko maso od 2.000 do 20.000 in vsebnost etilen oksida od 90 do 99,9 mas. %.The paper coating compositions according to claim 2 or 3, wherein the branched polyurethane molecular weight is greater than 100,000, and the polyoxyethylene side chain has a molecular weight of 2,000 to 20,000 and an ethylene oxide content of 90 to 99.9 wt. %. 5. Sestavki za oblaganje papirja po zahtevku 1, pri čemer se razvejani poliuretan pridobi z reagiranjem bifunkcionalnega izocianata, ki vsebuje polioksietilenske stranske verige, od katerih ima vsaka molekulsko maso večjo od 500 in vsebnost etilen oksida od 80 do 99,9 mas. %, z eno ali več spojinami, ki imajo molekulsko maso od 34 do 300 in dve skupini, ki reagirata z izocianati.The paper coating compositions according to claim 1, wherein the branched polyurethane is obtained by reacting a bifunctional isocyanate containing polyoxyethylene side chains each having more than 500 molecular weight and an ethylene oxide content of from 80 to 99.9 wt. %, with one or more compounds having a molecular weight of from 34 to 300 and two groups that react with isocyanates. 6. Sestavki za oblaganje papirja po zahtevku 1, pri čemer so disperzijsko sredstvo anionski nepremreženi poliakrilatni derivati, ki imajo molekulsko maso od 5.000 do 40.000.The paper coating compositions according to claim 1, wherein the dispersing agent is anionically uncoated polyacrylate derivatives having a molecular weight of 5,000 to 40,000. 7. Sestavki za oblaganje papirja po zahtevku 1, pri čemer ima anorganski pigment od 40 do 90 mas. % delcev, drobnejših od 2 mikronov in je izbran izmed kaolinov, kalcijevega karbonata, smukca, titanovega dioksida, barijevega sulfata, sadre in zmesi le-teh.The paper coating compositions according to claim 1, wherein the inorganic pigment is from 40 to 90% by weight. % of particles smaller than 2 microns and is selected from kaolin, calcium carbonate, talc, titanium dioxide, barium sulphate, gypsum and mixtures thereof.
SI201031635T 2009-03-16 2010-03-15 Paper coating composition SI2408966T1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITVA2009A000020A IT1393466B1 (en) 2009-03-16 2009-03-16 COMPOSITIONS FOR PAPER COATING
PCT/EP2010/053301 WO2010106023A1 (en) 2009-03-16 2010-03-15 Paper coating composition
EP10713151.8A EP2408966B1 (en) 2009-03-16 2010-03-15 Paper coating composition

Publications (1)

Publication Number Publication Date
SI2408966T1 true SI2408966T1 (en) 2018-03-30

Family

ID=41435267

Family Applications (1)

Application Number Title Priority Date Filing Date
SI201031635T SI2408966T1 (en) 2009-03-16 2010-03-15 Paper coating composition

Country Status (7)

Country Link
EP (1) EP2408966B1 (en)
CN (1) CN102356197B (en)
CA (1) CA2754179C (en)
ES (1) ES2660743T3 (en)
IT (1) IT1393466B1 (en)
SI (1) SI2408966T1 (en)
WO (1) WO2010106023A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1402689B1 (en) * 2010-09-15 2013-09-13 Lamberti Spa COMBINE POLYURETHANES USEFUL FOR PAPER PATINATION
ITVA20110030A1 (en) 2011-11-11 2013-05-12 Lamberti Spa AQUEOUS COMPOSITION OF POLYMERS FOR PAPER PATINATION
CN104861744A (en) * 2015-03-17 2015-08-26 广州浦利姆环保科技有限公司 Grinding-free environmental-protection pigment
CN106519836B (en) * 2016-09-13 2018-11-27 昆明理工大学 A kind of water paint and preparation method thereof on cigarette internal lining paper
WO2021072009A1 (en) 2019-10-09 2021-04-15 Lubrizol Advanced Materials, Inc. Ink-receptive coatings for printing on absorbing substrates

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0060430B1 (en) * 1981-03-13 1985-12-18 Th. Goldschmidt AG Method for the preparation of polymers containing polyoxyalkylene side chains
US5747582A (en) * 1992-10-29 1998-05-05 Bayer Aktiengesellschaft Aqueous coating compositions and their use for the preparation of coatings that are permeable to water vapor
DE19526278A1 (en) * 1995-07-19 1997-01-23 Bayer Ag Paints with polyisocyanates
BR9911453A (en) * 1998-06-24 2001-03-20 Akzo Nobel Nv Ionic polyurethanes
FR2810261B1 (en) 2000-06-15 2002-08-30 Coatex Sa USE OF LOW ANIONIC COPOLYMERS AS A DISPERSING AGENT AND / OR AID FOR GRINDING AQUEOUS SUSPENSION OF MINERALS, AQUEOUS SUSPENSIONS OBTAINED AND USES THEREOF
GB0128221D0 (en) * 2001-11-24 2002-01-16 Avecia Ltd Aqueous urethane dispersants
US6897281B2 (en) * 2002-04-05 2005-05-24 Noveon Ip Holdings Corp. Breathable polyurethanes, blends, and articles
FR2846978B1 (en) 2002-11-08 2007-05-18 Coatex Sas USE OF A COPOLYMER HAVING AT LEAST ONE GRAFT FUNCTION ALKOXY OR HYDROXY POLYALKYLENE GLYCOL, AS AGENT ENHANCING ACTIVATION OF OPTICAL AZURING AND PRODUCTS OBTAINED
FR2846971B1 (en) 2002-11-08 2006-09-29 Omya Ag USE OF A COPOLYMER HAVING AT LEAST ONE GRAFT FUNCTION ALKOXY OR HYDROXY POLYALKYLENE GLYCOL, AS AGENT ENHANCING THE BRIGHTNESS OF PAPER AND PRODUCTS OBTAINED
FR2894998A1 (en) 2005-12-16 2007-06-22 Coatex Sas METHOD FOR MANUFACTURING IMPROVED BROOKFIELD WATER RETENTION SOUNDING SAUCES AND IMPROVED VISCOSITY USING A COMBINED POLYMER WITH AT LEAST ONE POLYALKYLENE OXIDE GRAFT FUNCTION

Also Published As

Publication number Publication date
ES2660743T3 (en) 2018-03-26
IT1393466B1 (en) 2012-04-20
CN102356197A (en) 2012-02-15
EP2408966B1 (en) 2017-11-22
CA2754179A1 (en) 2010-09-23
CN102356197B (en) 2013-09-11
EP2408966A1 (en) 2012-01-25
CA2754179C (en) 2016-12-20
WO2010106023A1 (en) 2010-09-23
ITVA20090020A1 (en) 2010-09-17

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