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1. MICROENCAPSULATEDFRAGRANCES
byMikroCaps

2. MikroCaps
EncapsulateyourBusiness
info@mikrocaps.com
www.mikrocaps.com

3. WHOWEARE
Weareaninnovativecompanyestablishedbyagroupofhighlyqualiedexpertsthatoperates
inthe eldofdifferentmicroencapsulatedproductsandmicroencapsulationtechnologies.
Weactivelyandcreativelydesignandproducesuperiorproductsbasedoninnovations
andknowledge,inresponsetothechallengessetbyourselvesandourbusinesspartners.
Inordertorealiseourgoals,wemustbe exible,preparedforconstantchangesandbecritically
receptiveofnewideasanddevelopments.
Wehavethestrength,weknowourdirectionandhavethecondencetoshapeourfuture.
OOurmainguidingprinciplesarefocusedonourcustomers,operationsbasedonresponsible
managementthatprotectouremployees,theenvironmentandthecommunity,innovation,
strivingforexcellenceandapassionforourbusiness.
Weareconvincedthatourknowledge,experience,beliefsandguidingprinciplescanleadus
andourpartnerstomutualcooperationandtheachievementofourcommongoals.
1

4. 2
PRODUCTS&APPLICATIONS
MICROENCAPSULATION
Microencapsulationistheprocessbywhichcorematerial,particlesordropletsofsolidorliquid
materialaresurroundedorcoatedwitha lmofpolymericmaterialtoproducecapsulesinthe
micrometrerange,knownasmicrocapsules.
MMicroencapsulationproceduresenablethecorematerialtobeisolatedandprotectedfrom
environmentalinuences,itsreleaseintotheenvironmenttobecontrolledordelayed,the
handlingpropertiesofhazardousmaterialtobeimprovedandthereactivecoretobeisolated
fromchemicalattack.
Withmicroencapsulation,capsulesaredesignedandpreparedtomeetalltherequirements
consideringthepropertiesofthecorematerial,theintendeduseoftheproduct,andthestorage
environment.
TTherequirementsofnalproductsdenethecharacteristicsofmicrocapsules,theirsize,their
modeofrelease,andthetypeofmicrocapsulemembrane.
Manymaterialsmaybemicroencapsulatedsuchasfragrances,pesticides,fertilisersetc.
Microencapsulationcaninvolveawiderangeofapplicationsandbeappliedtomanyindustrial
sectors.
MikroCapsENCAPSULATION
DDuetotheunderlyingknowledgeandexperience,MikroCapsmicroencapsulationtechniques
enabletheencapsulationofvariouscorematerialswithdifferentpolymermembranes,
regardlessoftheindustry.
MikroCapsisalreadyactivelyinvolvedinthePaints&Coatings,Paper&Printing,Plantnutrition,
TextileandHomecareindustrieswherefragrances,phasechangematerials,additives,pesticides
andfertilizersareencapsulatedaccordingtotherequirementsofourbusinesspartners.
Paints&Coatings PlantnutritionPaper&Printing Textile Homecare

5. 3
MikroCapsPOLYMERMEMBRANES
Thepurposeofmicroencapsulationisusuallydenedbythepermeabilityofthemembrane
whichiscarefullyselectedtosuitdifferentsystemsanddemands.
Inordertoguaranteetheoptimalsolutioninalmosteveryindustrialarea,MikroCapshas
developedthreetypesofmicrocapsulepolymermembranes.
SLOWRELEASEMEMBRANE
MMicrocapsuleswithaslowrelease
membraneenableprolongedreleaseofthe
corematerial.Theencapsulatedcontentis
releasedfromthecapsuleoveralonger
periodoftime,dependingonthe nal
productrequirements.Thereleasetime
dependsonthemembranetypeandcan
vavaryfromafewdaystoseveralmonths.The
corematerialcanbewater-or
solvent-based.Applicationswithsucha
membraneincludefragrances,pesticides
reactivechemicalsandfertilisers.
IMPERMEABLEMEMBRANE
Microcapsuleswith
animpermeablemembraneareusedin
productswherethecorematerial
mustbeisolated.
Thecorematerialisencapsulatedinside
thecapsulethecapsules,completelyseparated
andprotectedagainst
environmentaleffects.Suchencapsulation
isespeciallyusefulforphasechange
materials(PCM)thatcanbeused
inthetextile
andbuildingindustries.
SMARTMEMBRANE
Sometimesthecorematerial
inthecapsulemaybereleasedonly
incertaincircumstances(duetomechanical
forces,osmoticpressure…).
AApplicationswithsuchamembraneinclude
microencapsulatedfragrancesthatoperate
onthe'scratchandsniff'principle,
thatreleasethecorematerialwhen
themembraneisdamaged(e.g.self-healing
coatings),orwhenthecorematerialisnot
releasedbeforethesystem
is nallyapplied(is nallyapplied(e.g.additives
forcoatings).

6. 4
Dependingonthepropertiesofthecorematerialandrequiredcharacteristicsofthe
microcapsule,MikroCapsusesdifferentmicroencapsulationtechniquessuchasinterfacial
polymerisation,in-situpolymerisationandcoacervation.
MikroCapstechnologyenablesthemicroencapsulationofwater-andsolvent-basedcore
materials.
IInthedevelopmentprocess,microcapsulesareoptimisedthroughaproperselectionof
reactantsandemulsiersandbyappropriateparametersettingssuchastemperature,pH,
mixingandotherreactionparametersinordertoensureasuitable nalperformance.
MikroCapsusesdifferentanalyticalmethod/toolsforthecharacterisationandoptimisation
ofmicroencapsulatedproductssuchasopticallightmicroscopy,scanningelectronmicroscopy
(SEM),UV-visiblespectroscopy,thermocalorimeter(TAM),sizedistributionanalysis,andthermo
gravimetricanalysistoensureahighquality nalproduct.
POLYMERISATIONANDMEMBRANE
FORMATION
DISPERSIONOFMICROCAPSULES
POWDEROFMICROCAPSULES
spraydrier
FORMATIONOFEMULSION OILPHASE
REACTANTS
(interfacialpolymerisation,
insitupolymerisation,coacervation)
AQUEOUSPHASE
REGULATIONOFTEMPERATURE
REGULATIONOFPH
MikroCapsTECHNOLOGY

7. 5
Fragrancesarehighlyvolatilecompoundsthatareverysensitivetoenvironmentalin uences.
Encapsulationisthereforeoftennecessarytoprovidealongeractivitytime,protection
againsttheenvironment,aswellasthesimpleincorporationandcontrolledreleaseof
fragrancesindifferentsystems.
MikroCapsencapsulatedfragrancesmaybeadjustedaccordingtothecapsules’
characteristicsdependingonthecustomer’srequirements:
o Modeofrelease
o Slowrelease
o ‘Scratchandsniff’
o Releasetime
o Sizeofthemicrocapsulesfrom5to30microns
o Form
o Water-baseddispersions(approx.30%ofcapsules)
o Powder
oo Smell
MikroCapsencapsulatedfragrancesarewhiteinappearance.Forapleasantandlonglasting
smellitisrecommendedtoaddasmallamountofmicroencapsulatedfragranceto
water-basedsystemsandstiritforafewminutes.
MikroCapsoffersamicroencapsulationservicefortheencapsulationoffragrancessupplied
byotherproducersthatwillsuitdifferentsystemsanddemands.
MikroCapsMICROENCAPSULATEDFRAGRANCES
RUB
AND
SMELL
SMELL

8. 6
MikroCapsencapsulatedfragrancesaresuitableforuseinvariousapplicationssuchasoatings,
printinginks,paper,fabricsoftenersandtextile.
MICROENCAPSULATEDFRAGRANCESFORDECORATIVECOATINGS
Haveyoueverthoughtaboutcoatingsandprintinginksthatwouldcreateapleasant
andlong-lastingsmellafterbeingapplied?
MikroCapsoffersmicroencapsulatedfragrancesfordecorativewoodandwallcoatings.
FForapleasantandlong-lastingsmellitisrecommendedtoadd0.5–2%ofMikroCaps
microencapsulatedfragranceandsimplyincorporateitbystirringinwater-basedinteriorpaint.
Duetotheirhighmechanicalresistance,microcapsulesdonotcrackduringincorporation
inthecoating.Thesmallsizeofthemicrocapsulesdoesnotaffecttheappearanceofthesurface
coating.ThewhiteappearanceofMikroCapsdispersionsissuitableforincorporationindifferent
colourshades.
TThefragrancestartstoreleasefrommicrocapsulesafterthecoatingisappliedtothesurface.
Afterapplyingthecoatingtotheinteriorwalls,theplacewillhaveaniceandpleasantsmell
forupto1year.MikroCapsoffersawiderangeofdifferentfragranceswithreleasetimestosuit
therequirements.
APPLICATIONS

9. HANDLINGWITHREACTIVEORSOMEWHATPROBLEM
Microencapsulationenablesthecombiningofsubsta
separate,agglomerateorreactwithotherchemicalsi
thesubstancesinthecoatingtobestableuntiltheira
orsomeothertriggerreleasesthecorematerialfrom
SELF-HEALINGCOATINGS
S
7
MICROENCAPSULATEDFRAGRANCESFORPAPERANDPRINTINGINKS
Inthelastfewdecadesprintedproductshavehadtocompetewithothermedialikeonline
publications,radioandTV.Therefore,itispredictedthatprintedproductswilldisappearifthey
donotofferanyadvantageoverothermedia.Consequently,newconceptshavetobedeveloped
thatimprovetheattributesofprintedmaterialslikepackages,booksandnewspapers.Theuseof
fragrancesinprintingisaconceptofferingsuchpromisingprospects.
MMikroCapsoffersdifferentmicroencapsulatedfragranceswhichcanbeusedforpaper,scented
inksandvarnishes.
MikroCapsmicroencapsulatedfragrancesareresistanttohightemperatures,ensuringthatthe
microcapsuleswillnotboilduringtheprintingprocess.Theyarealsosuitableforpaper
applications.Duetothemicrocapsules’smallsizeandtheirhighmechanicalandtemperature
resistance,MikroCapsencapsulatedfragrancesaresimplyappliedtothesurfaceofpaperin
differentprocessstages.

10. 8
FABRICSOFTENERS
Deliveringperfumetoafabricwhendoingthelaundryisnoteasybecause,bytheirverynature,
perfumesarevolatilesubstancesandtendtovolatiliseordisperseduringwashinginrelatively
hotwater.Afurtherdifficultyarisesfromthewidespreaduseofgasorelectricclothesdryers
inwhichwashedfabricsaretumbledatrelativelyhightemperatures.Evenperfumeswith
adegreeofsubstantivityforfabricswillvolatilisetoalargeextentinadryerwiththeresult
ththatthe nishedlaundryonlyhasaveryfaintodourwhichrapidlydissipates.Yetby
encapsulatingtheperfumeinawater-insolubleshell,theperfumeisprotectedthroughout
thelaundryoperation.Asignicantnumberofmicrocapsulesareentrainedinorotherwise
becomeassociatedwiththefabricduringthewashingprocessandremainintactthrough
thetheremainderofthelaundryprocedure.Theperfumeisactuallyappliedtothewashingonly
whenthemicrocapsulesrupture.Thiscanoccurtosomeextentduringtheautomaticdrying
stepofahomelaunderingoperationbutprincipallyoccursafterclotheshavebeenlaundered
andarebeingused.
MikroCapsmicroencapsulatedfragrancesareparticularlysuitableforfabricsoftenersandare
alreadyusedinsuchapplications.
TEXTILLE
AAddingfragrancestotextileshasforalongtimebeenpossibleintheformoffabricsofteners
usedinthewash.However,nomatterthequalityofthetechniqueusedtointegrate
thefragranceitseffectisrelativelyshort,onlysurvivingoneortwowashcycles.
Microencapsulationoffersthepossibilitytoovercomethisconstraint,prolongingthedurability
oftheappliedfragrance.Theencapsulatedfragranceisreleasedfromthetextilebybreaking
themicrocapsuleshell–biggermicrocapsulesreleasethefragrancemoreeasily.
Themicrocapsulescanbeappliedbyimpregnation,spraying,coatingorincorporation
inthe binthe bre.Microcapsulesaremostlyappliedtotextilesbyimpregnationusingacrosslinking
agentfollowedbydryingandcuringsteps.Acrosslinkingagentxesthemicrocapsules
andkeepsthem xedduringlaundering.Crosslinkingagentscanbeacrylic,polyurethane,silica
etc.Severalkindsoffabricscanbeimpregnatedwithmicrocapsules,suchassilk,cotton
orsynthetic bres(polyamideorpolyester).
Thecapsulessurviverepeatedwashingandreleasethefragranceforalongtime.

11. 9
MikroCapsfacesmanychallenges.Wealsoexpecttofacetheminthefuture.Wewanttocreate
thefutureonasustainablebasis.Thiscallsforcommitment,engagement,courageandcreativity
fromeverybody.Wearecondentthatduetoourexperience,knowledgeandpassionregarding
themicroencapsulationbusinessweareontherightpathtosuccessfullydevelopingthe
companyfurthertogetherwithourbusinesspartnerstowhomwecanoffersolutionsfromthe
initialconceptualstagetothepreparationofbasicengineeringforprocessinstallation.
MikroCapsMICROENCAPSULATIONSERVICES
Our
extensiveexperience
allowsustomanage
awiderange
ofpossible
microencapsulation
pprocedures
Developmentfrom
theinitialconceptualstage
tothepreparation
ofprojectdocumentation
forprocessinstallation
Equipmentthat
enablestesting
inthelaboratory
andonan
industrialscale
Developingsolutions
forthemicroencapsulation
ofdifferentsubstances
forvariousindustries