FI123869B - Process for producing paint or varnish - Google Patents

Process for producing paint or varnish Download PDF

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Publication number
FI123869B
FI123869B FI20105350A FI20105350A FI123869B FI 123869 B FI123869 B FI 123869B FI 20105350 A FI20105350 A FI 20105350A FI 20105350 A FI20105350 A FI 20105350A FI 123869 B FI123869 B FI 123869B
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FI
Finland
Prior art keywords
nanoparticles
paint
varnish
composition
added
Prior art date
Application number
FI20105350A
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Finnish (fi)
Swedish (sv)
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FI20105350A (en
FI20105350A0 (en
Inventor
Saila Jaemsae
Kirsi Kataja
Kaisa Putkisto
Soili Takala
Pertti Vastamaeki
Henrik Dyhr
Original Assignee
Teknologian Tutkimuskeskus Vtt
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 Teknologian Tutkimuskeskus Vtt filed Critical Teknologian Tutkimuskeskus Vtt
Priority to FI20105350A priority Critical patent/FI123869B/en
Publication of FI20105350A0 publication Critical patent/FI20105350A0/en
Priority to PCT/FI2011/050292 priority patent/WO2011124759A1/en
Publication of FI20105350A publication Critical patent/FI20105350A/en
Application granted granted Critical
Publication of FI123869B publication Critical patent/FI123869B/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/66—Additives characterised by particle size
    • C09D7/67—Particle size smaller than 100 nm
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/80—Processes for incorporating ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/02—Cellulose; Modified cellulose

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nanotechnology (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Composite Materials (AREA)
  • Paints Or Removers (AREA)

Abstract

With different nanoparticles, new properties are generated in coatings. Using the nanoparticles, it is possible to improve the resistance of products to wear and scratching, the UV resistance, the conductivity and other properties. However, it is difficult to evenly distribute the nanoparticles in the composition of paint or varnish, and, as a result, the desired properties are not always achieved, or the nanoparticles must be added in amounts that are economically unprofitable to achieve the desired properties. In the present invention, the nanoparticles are first added by mechanical mixing into a cellulose gel, which is fibrillated partly into nanofibrils, which aqueous gel is then added into the composition of paint or varnish. Due to this nanofibrillated cellulose carrier, the particles remain evenly distributed throughout the coating materials and other similar materials, such as the binder of the paint or varnish, for a sufficient period of time for the coating process.

Description

Menetelmä maalin tai lakan valmistamiseksiProcess for preparing paint or varnish

Keksinnön kohteena on patenttivaatimuksen 1 johdanto-osan 5 mukainen menetelmä maalin tai lakan valmistamiseksi.The invention relates to a process for the production of paint or varnish according to the preamble of claim 1.

Nanopartikkelit parantavat tunnetusti tuotteiden, kuten myös maalien ja lakkojen ominaisuuksia. Nanopartikkeleiden tuomia etuja pinnoitteissa ei ole pystytty täysimääräisesti 10 hyödyntämään tapauksissa, joissa nanopartikkeleiden dispergointi lakkaan tai maaliin on tuottanut ongelmia. Kun nanopartikkeleita lisätään pinnoitteeseen, pitää niiden sekoittua siihen niin, etteivät ne muodosta aggregaatteja. Lisäksi niiden tulee säilyä erillisinä partikkeleina vielä 15 pinnoitusprosessin ja pinnoitteen asettumisen (kuivumisen) aikana.Nanoparticles are known to improve the properties of products as well as paints and varnishes. The benefits of nanoparticles in coatings have not been fully utilized 10 in cases where the dispersion of nanoparticles in lacquer or paint has caused problems. When nanoparticles are added to the coating, they must be mixed so that they do not form aggregates. In addition, they must remain separate particles for a further 15 coating processes and coating deposition (drying).

Nanopartikkeleita lisätään pinnoitteisiin esim. kulutus- ja naarmuuntumiskestävyyden parantamiseksi sekä UV-suojaksi 20 (lakkapinnan ja/tai pinnoitetun tuotteen suojaksi). Useimmiten käytetään epäorgaanisia nanopartikkeleita. Toimiakseen odotetulla tavalla nanopartikkeleita joudutaan usein lisäämään pinnoitteen (maali/lakka) sekaan suhteellisen suuria määriä. Tällöin kasvaa riski, että ne aggregoituvat tai erottuvat 25 painuen pinnoitteen pohjaan eikä haluttua tehokkuutta „ saavuteta.Nanoparticles are added to coatings, for example to improve wear and scratch resistance, and to provide UV protection 20 (to protect the lacquer surface and / or coated product). Inorganic nanoparticles are most often used. In order to function as expected, relatively large amounts of nanoparticles are often added to the coating (paint / varnish). This increases the risk that they aggregate or separate, sinking to the bottom of the coating and not achieving the desired performance.

COC/O

δ c\j g Keksinnössä on löydetty aine sekä sekoitusmenetelmä, jonka i σ> avulla nanopartikkelit saadaan jakaantumaan tasaisesti lakkaan x 30 tai maaliin.δ c \ j g The invention has found a substance and a mixing process which allows i σ> to uniformly distribute nanoparticles in a varnish x 30 or paint.

cccc

CLCL

OO

m co Keksinnölle ovat tunnusmerkillisiä patenttivaatimuksista o Σ- ilmenevät seikat, om co The invention is characterized by the features of the claims o-, o

C\JC \ J

35 Keksinnössä on käytetty nanofibrilloitua selluloosaa (NFC) maalin tai lakan partikkeleiden ja/tai nanopartikkeleiden kantaj a-aineena.The invention utilizes nanofibrillated cellulose (NFC) as a carrier for paint or varnish particles and / or nanoparticles.

22

Keksinnön mukaisessa menetelmässä nanopartikkelit sekoitetaan ensin nanoselluloosan joukkoon. (Lisääminen voidaan suorittaa esim. mekaanisella, ultraääniavusteisella tai muulla sopivalla 5 sekoituksella.) Tämä seos lisätään maalin tai lakan koostumukseen. Tuloksena saadaan pinnoite, jossa partikkelit ja/tai nanopartikkelit ovat tasaisesti jakaantuneet matriisiin jo pienillä nanoselluloosan määrillä: jopa vain 0,1% sideaineen/pinnoitteen kuiva-aineen määrästä. Testeissä on 10 saavutettu hyviä tuloksia nanoselluloosan määrillä 0,5 - 5 % pinnoitteen kuiva-ainepitoisuudesta ja hyvään tulokseen on mahdollista päästä jo 0,1 prosentin seososuudella. Kokeita on tehty myös siten, että tuloksena on saatu koostumus, jossa partikkelit ja/tai nanopartikkelit ovat tasaisesti 15 jakaantuneet matriisiin pienillä nanoselluloosan määrillä: määrän vaihdellessa 0,2 - 2,0% sideaineen määrästä.In the process of the invention, the nanoparticles are first blended with nanocellulose. (Addition may be effected, for example, by mechanical, ultrasonic or other suitable mixing.) This mixture is added to the composition of the paint or varnish. The result is a coating in which the particles and / or nanoparticles are evenly distributed in the matrix with small amounts of nanocellulose: up to only 0.1% of the binder / coating dry matter. Tests have shown good results with nanocellulose contents of 0.5 to 5% of the dry solids content of the coating and a good result can be achieved with a 0.1% blend. Tests have also been carried out to obtain a composition in which particles and / or nanoparticles are uniformly distributed in the matrix with small amounts of nanocellulose: in an amount ranging from 0.2 to 2.0% of the amount of binder.

Eräs edullinen tapa koostumuksen valmistamiseksi on, että partikkelit ja/tai nanopartikkelit sekoitetaan ensin vähintään 20 osittain nanofibrilleiksi saakka fibrilloituun vesipohjaiseen selluloosageeliin, joka sitten lisätään maalin tai lakan koostumukseen. Tämän nanofibrilloidun selluloosakantaja-aineen ansiosta partikkelit pysyvät pinnoitusprosessiin riittävän ajan tasaisesti jakaantuneena maalin/lakan yms.One preferred way of preparing the composition is to first mix the particles and / or nanoparticles into at least 20 partially nanofibrilic water-based cellulose gels, which are then added to the paint or varnish composition. Thanks to this nanofibrillated cellulose carrier material, the particles remain uniformly distributed throughout the coating process over a sufficient period of time over the paint / varnish and the like.

25 koostumuksessa.25 in the composition.

COC/O

^ Keksintö on verifioitu Taber-pinnankulutuskokeella, josta § tulokset on esitetty kuvassa 1. Kokeissa pinnoitekoostumukseen lisättiin silikamodifioitua nanopartikkelia tai 30 nanof ibrilloidun selluloosan ja silikamodif ioituj enThe invention has been verified by the Taber Surface Wear Test, the results of which are shown in Figure 1. In the tests, silica-modified nanoparticles or 30 nanofibrillated cellulose and silica-modified silica were added to the coating composition.

CLCL

nanopartikkelien seosta. Nanopartikkelien osuus kokonaiskuiva-nanoparticle mixture. The proportion of nanoparticles in the total dry

LOLO

£3 aineesta pidettiin vakiona (10 %), nanofibrilloidun o q selluloosan osuutta varioitiin. Seoksilla käsiteltiin Leneta- c\j kalvoj a.Of the £ 3 material was kept constant (10%), the proportion of nanofibrillated o q cellulose was varied. The mixtures were used to treat Lenetax membranes.

35 335 3

Kulutuskestävyys paranee NFC:n määrän kasvaessa. Lisäksi on huomoitava erilaiset levitysmäärät. Kaikkiin on levitetty sama 5 määrä 150 g/m2 märkää lakkaa + nanopartikkeleita (0-näyte) tai lakkaa + nanopartikkeleita+ NFC . Kun todellisuudessa otetaan huomioon kuiva-aine, niin NFC-näytteissä on levitysmäärä huomattavasti pienempi kuin pelkässä lakka + nanopartikkelinäytteessä ja silti kulutuskestävyys paranee.The abrasion resistance improves as the amount of NFC increases. In addition, different application rates must be noted. The same 5 amount of 150 g / m 2 wet lacquer + nanoparticles (0 sample) or lacquer + nanoparticles + NFC have been applied. When the dry matter is actually taken into account, the application rate of NFC samples is significantly lower than that of the lacquer + nanoparticle sample alone and yet the wear resistance is improved.

1010

Keksinnön mukaisen menetelmän etuina on mm. se, että nanopartikkelit säilyvät sekoittuneena lakka- tai maalimatriisissa eikä aggregaatteja muodostu sekoituksen aikana tai sen jälkeen. Ajan kuluessa nanopartikkelit 15 saattavat erottua seoksesta, mutta kevyesti ravistamalla ne saadaan jälleen tasaisesti maali- tai lakkakoostumuksen sekaan. Siten nanopartikkelien pysyvä sitoutuminen nanoselluloosaan ei ole välttämätöntä, mikä on huomattava etu. Pienet NFC-määrät eivät vaikuta pinnoitekoostumuksen 20 viskositeettiin haitallisesti.Advantages of the method according to the invention are e.g. the fact that the nanoparticles remain mixed in the lacquer or paint matrix and that no aggregates are formed during or after mixing. Over time, the nanoparticles may separate from the mixture, but by gentle agitation, they are again uniformly mixed with the paint or varnish composition. Thus, permanent binding of nanoparticles to nanocellulose is not necessary, which is a considerable advantage. Small amounts of NFC do not adversely affect the viscosity of the coating composition.

Sovelluspotentiaali on laaja sekä uiko- että sisäkäyttöön tarkoitetuissa puu- ja metallipinnoitteissa, muoveissa ja 25 tekstiileissä. Pinnoitteiden kulutus- ja naarmuuntumiskestävyys ovat tärkeitä ominaisuuksia mm. co δ puulattioissa, sähköisissä näytöissä ja autoteollisuudenThe application potential is wide in wood and metal coatings, plastics and textiles for both indoor and outdoor use. The abrasion and abrasion resistance of coatings are important properties. co δ for wood floors, electronic screens and automotive

CMCM

C) pinnoitteissa ja monissa muissa kulutustuotteissa.C) coatings and many other consumer products.

cp o Epäorgaanisia UV-suojia käytetään mm. aurinkosuojavoiteissa ja x 30 lakoissa, cccp o Inorganic UV shields are used for example. sunscreen and x 30 lacquers, cc

CLCL

OO

$5 Keksinnön sovellutusmuodot voivat vaihdella laajastikin m ? patenttivaatimusasetelman puitteissa, oEmbodiments of the invention may vary widely m? within the claims, p

CMCM

3535

Claims (3)

1. Förfarande för framställning av färg eller lack, kännetecknat av att vid framställningen används nanofibrillerad cellulosa som bärare av färgens eller lackets partiklar och nanopartiklar pä sä sätt, att nanopartiklarna 10 blandas först i den nanofibrillerade cellulosan, varvid den nanofibrillerade cellulosans mängd uppgär tili 0,05 - 5,0 % av mängden torrsubstans, varefter denna blandning tillförs färg-eller lacksammansättningen, varvid en sammansättning erhälls, där partiklarna och nanopartiklarna är jämnt fördelade i en 15 matris.A process for the preparation of paint or varnish, characterized in that nanofibrillated cellulose is used as the carrier of the paint or varnish particles and nanoparticles in the manufacture, such that the nanoparticles are first mixed in the nanofibrillated cellulose, the amount of the nanofibrillated cellulose being added to the 05 - 5.0% of the amount of dry substance, after which this mixture is added to the paint or varnish composition, whereby a composition is obtained, where the particles and nanoparticles are evenly distributed in a matrix. 2. Förfarande för framställning av färg eller lack enligt patentkrav 1, kännetecknat av att nanopartiklarna tillförs först genom att mekaniskt blandas i den nano- 20 fibrillerade cellulosan och blandningen tillförs färg- eller lacksammansättningen pä sä sätt, att en sammansättning erhälls, där partiklarna och nanopartiklarna är jämnt fördelade i matrisen redan vid väsentligen smä mängder nanofibrillerad cellulosa under det att mängden varierar mellan 0,2 - 2,0 % av 25 mängden torrsubstans. co oProcess for the preparation of paint or varnish according to claim 1, characterized in that the nanoparticles are first supplied by mechanically mixing in the nanofibrillated cellulose and the mixture is applied to the paint or varnish composition in such a way that a composition is obtained where the particles and nanoparticles are obtained. are evenly distributed in the matrix already at substantially small amounts of nanofibrillated cellulose while the amount varies between 0.2 - 2.0% of the amount of dry matter. co o 3. Förfarande för framställning av färg eller lack enligt c\j o) patentkrav 1 eller 2, kännetecknat av att partiklarna cp o) och nanopartiklarna tillförs genom att mekaniskt först blandas x 30 ätminstone ända tili nanofibriller i en vattenhaltig fibrill- IX Q_ erad cellulosagel, som sedan tillförs färg- och lacksamman-o sättningen, varvid partiklarna och nanopartiklarna tack väre LO ° denna nanofibrillerade cellulosabärare förblir jämnt fördelade o ^ i färg-/lacksammansättningen tillräckligt länge under 35 beläggningsprocessen.Process for the preparation of paint or varnish according to claim 1 or 2, characterized in that the particles cp o) and the nanoparticles are supplied by mechanically first mixing x at least as far as nanofibrils in an aqueous fibrillated cellulose gel. which is then added to the paint and varnish composition, the particles and nanoparticles being LO 2, this nanofibrillated cellulose carrier remains evenly distributed in the paint / varnish composition long enough during the coating process.
FI20105350A 2010-04-07 2010-04-07 Process for producing paint or varnish FI123869B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20105350A FI123869B (en) 2010-04-07 2010-04-07 Process for producing paint or varnish
PCT/FI2011/050292 WO2011124759A1 (en) 2010-04-07 2011-04-05 Method for manufacturing paint or varnish

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20105350A FI123869B (en) 2010-04-07 2010-04-07 Process for producing paint or varnish
FI20105350 2010-04-07

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FI20105350A0 FI20105350A0 (en) 2010-04-07
FI20105350A FI20105350A (en) 2011-10-08
FI123869B true FI123869B (en) 2013-11-29

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WO (1) WO2011124759A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9222174B2 (en) 2013-07-03 2015-12-29 Nanohibitor Technology Inc. Corrosion inhibitor comprising cellulose nanocrystals and cellulose nanocrystals in combination with a corrosion inhibitor
US9359678B2 (en) 2012-07-04 2016-06-07 Nanohibitor Technology Inc. Use of charged cellulose nanocrystals for corrosion inhibition and a corrosion inhibiting composition comprising the same
JP2014077084A (en) * 2012-10-11 2014-05-01 Toppan Printing Co Ltd Non-adsorptive coating agent and laminate having non-adsorption layer
FR3040641B1 (en) * 2015-09-07 2020-05-08 Nof Metal Coatings Europe METHOD FOR APPLYING AN ANTI-CORROSION COATING ON A METAL PART, AN AQUEOUS COATING COMPOSITION, AN ANTI-CORROSION COATING OF METAL PARTS AND A COATED METAL PART
EP3882928B1 (en) * 2020-03-17 2023-11-15 Hitachi Energy Ltd Mfc/nc in transformer boards used in power transformers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4378381A (en) * 1980-10-31 1983-03-29 International Telephone And Telegraph Corporation Suspensions containing microfibrillated cellulose
US20050256262A1 (en) * 2004-03-08 2005-11-17 Alain Hill Coating or composite moulding or mastic composition comprising additives based on cellulose microfibrils
PL3617400T3 (en) * 2009-03-30 2023-01-02 Fiberlean Technologies Limited Use of nanofibrillar cellulose suspensions

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FI20105350A (en) 2011-10-08
FI20105350A0 (en) 2010-04-07
WO2011124759A1 (en) 2011-10-13

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