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| Paint&pintura |Maio2015
material in paint and coatings formulation due to their
abilitytomodifyrheologyandpromotethixotropy,while
improving adhesion between the paint and the primer
or basecoat, imparting a soft-touch finish, adjust gloss
ormatting to the required level, prevent sagging inver-
tical applications, and increasingabrasionandcorrosion
resistance.“Theyarerawmaterialsthatadapttoseveral
kinds of coatings, acting differently according to each
particularrequirement. Inpowdercoatings, forexample,
silica acts as a flow agent and stabilizer, extending the
durabilityofproducts.Oursilicasdon’thaveacrystalline
structure. Theyareamorphous silicasand, as such, they
don’t cause silicosis.Wealsoprovidea silicate that acts
asatitaniumdioxideextender,”stressesCamilaPecerini,
businessmanager, Silicas, EvonikResourceEfficiency.
WhenGracebecame thefirst company to commercially
producesilicagelback in1921,noonecouldhaveanticipa-
tedthemagnitudeofthescientificdiscoveryorthemajor
rolesilicaswouldplay inmanyofthesetechnicaladvance-
ments,accordingtothecompany’ssalesengineerMarcos
Machado Scotti. “In the course of our ongoing history
of innovation, Grace has led theway of researchingon
andcontrolling thepropertiesandcapabilitiesof silicas.
Gracesilicashavebeenusedfordecades inawidevariety
ofapplications in thepaintandcoatings industry, indus-
trialprocessesandconsumerproducts.Highlyregulated
manufacturers with strict quality controls particularly
benefit fromGrace silicas.”
Inadditiontotherapidgrowththis industryhasexperien-
ced in thepast several years, SergioRubio, ofquantiQ’s
technical support, marketing and new business team,
sayshehasalsoobservedwithakeeneyetheacceptance
of themost differentiated and specific product grades
foreachapplication.AsWacker’sexclusivedistributor in
thisproductsegment,quantiQhasadiversified rangeof
fumedsilicas,andwehavemade itourbusinessto inform
ourcustomersoftheadvantagesofusingthegradesthat
aremoresuitabletotheirapplications.Usingacompliant
product instead of amore conventional one can often
providebenefits intermsofbothperformanceandcost.”
Inpaint applications, silicasworkespeciallyas rheology
modifiers, matting and flow agents, and mechanical
propertymodifiers. “For the fumed silicas producedby
Wacker and distributed by quantiQ, we can point out
their various benefits as rheology andflow agents that
helptopreventpigmentsandfillersfromsettling in liquid
paints, while assistingwith fluidity in powder coatings.
They have alsobeenplaying an important role in controlling
film thickness, as they allow larges coats tobe applied, thus
preventingsagging.Fumedsilicasalsohaveapositive influence
oncorrosionprotection, thefilm’smechanicalproperties,and
theprotectionofmetallicpigments.Furthermore, theydonot
affect thecolorof thepaint, and if youchoose the right type
foryourapplication, norwill theyaffect theglossor clarityof
thecoatingfilm. Furtherbenefitsexist inprinting inkapplica-
tions, such as enhance image definition and reducedmist,”
Rubiopointsout.
Events -Paint&PinturaForum inNovoHamburgo
Receives98Attendees
Repeating the success of its previous editions, the forum re-
ceiveda largenumberofprofessionalsfromtheSouthregion.
Altogether, the forumshavehadnearly3,000attendees.
AgneloEditorarepeatedthesuccessof itspreviouseventsby
receiving98attendeesatthe20thPaint&PinturaCoatingsTe-
chnologyandManagementForumfortheSouthRegion,which
took place onApril 9 at Locanda Hotel, inNovoHamburgo,
RioGrandedoSul.Attendanceat thePaint&PinturaForums
isnowabout thehit themarkof3,000 forallof theireditions.
The eventwas opened by the lecture entitled “Evolution of
Market ValuePerceptionProvides PaintManufacturerswith
GrowthOpportunities”,which includednotonlyaquantitative
reviewofthecoatingsmarket in2014andprojectionsfor2020,
butalsoanoverviewofmarketperceptionsconcerningmanu-
facturersandtheirvalues inkeysegmentsofBrazil’spaintand
coatingsmarket. The themewas coveredby FranciscoRácz,
co-ownerofConsultoriaRácz,Yamaga&ConsultoresAssocia-
dos,whohas40years’ experience inall coatingsand related
segments inLatinAmerica.Ráczhaduppermanagementpo-
sitions inglobalcompaniesandhasworkedasan independent
consultant since 2007. Heparticipated in the introductionof
tintingsystemconceptsforautomotiverefinishanddecorative
coatings inBrazilandpioneeredthe implementationoftraining
centersforprofessionalpainters inLatinAmerica. Inaddition,
hehasalsoworkedasaproject leader in technology transfer
andmarketopeningprograms in theAmericas.
Then came José Jordano Pernomian, technical business
manager at Polystell,whose lecture“PerformanceAdditives
for Coatings” covered the importance of using additives in
formulations, anassessmentof someof theproblemsarising
outof theabsenceof suchadditives, anda recommendation
ofPolystellproductstosolvethoseproblems.Alsoaddressed
was the behavior of certain dispersants and his company’s
latestdevelopments for thepaint andcoatings industry.
