Colibri® – theperfectmatchforrecycledmaterial

PlasticproductionandrecyclinginEurope

§ Globalproductionofplastics:322milliontonsin2015

§ Around25,8milliontonsofplasticwastearegeneratedinEuropeeveryyear

§ Lessthan30%ofwasteiscollectedforrecycling

§ Plasticsproductionandincinerationofplasticwasteproducesapproximately400milliontonsofCO2ayear

EuropeanstrategyforPlasticsinacircularEconomy

§ ImproveProductDesign

§ Changesindesignandproductionofplasticproductsleadtohigherplasticsrecyclingrates

§ Goal:allplasticpackagingisrecyclableby2030

§ Betterandmoreharmonizedseparatecollectionandsorting

§ BoostingdemandforrecycledPlastics:developmentofaEuropeanmarketforrecycledplastics,e.g.inconstructionandautomotiveSector

à Usingmorerecycledandlessvirginmaterial

à Littleornogrowthinvolumedemandforprimematerials

à Primepolymersupplierwillalsoofferresinsfromrecyclingsources

Recycledmaterial– achallengeforcolourmatching

§ Brandownersalreadymadecommitmentstousemorerecycledmaterialintheirproducts

§ Challengeforthesupplier:

§ Recycledpolymerhasadifferentcolourand/ordifferentpropertiescomparedtovirginmaterial

à Knowncolourrecipesarenotworkingintherecycledmaterialorintheblends

§ Eachbatchofrecycledmaterialorblendwithvirginmaterialisdifferent

à Newcalibrationsampleshavetobebuildtogetreliablerecipes

à Newcolourrecipeshavetobedevelopedforeachmaterial

§ EnormousworkwhenworkingwithtraditionalColourMatchingsystems

Colibri® – ColourMatchingwithspecialfeaturesforrecyclingmaterial

Colibri® Multi-FluxAlgorithmoffersalotofadvantageswhenusingrecycledmaterial:

§ Therecycledmaterialcanbeaddedeasilyforusage

§ Nocalibrationsamplesofthecolorantshavetobedoneintherecycledmaterial

§ “Virtual”blendofrecycledmaterialandvirginmaterialcanbecreated

§ Verygoodcorrectionqualityhelpstodevelopnewrecipesinshortterm

§ Colorantsetsofthepigmentmanufacturercanbetakenasstartingpoint

§ Clariant andBASFColorantsetinHDPEforpigmentsandconcentrates

§ Includingofotherpolymers(alsorecycledmaterial)easilypossible

Howtouserecycledpolymer inColibri®

PCR 1 PCR 2 § Testswith2differentLDPEPostConsumerRecycledPlastics(PCRs)withdifferentcolourandopacity

§ AddthePCRasalternativebindertotheClariantColorantset:

§ PreparationofonefullshadeandmixtureswithwhiteorwhiteandblackdependingonthecolourofthePCR

§ CalculationofopticaldataforthePCR

Howtouserecycledpolymer inColibri®

Example1:DarkandopaquePCR1

§ Onefulltoneand3whitemixtures

§ BlackmixtureisnotnecessaryasPCRitselfisverydark

Example2:LighterandtranslucentPCR2

§ Oneblackmixture,onefulltoneand3whitemixtures

§ Blackmixtureimprovesmatchesfordarkcolors

§ Characterizationofanopaquerecycledmaterial

§ 3whitemixturesandfullshade

§ 1whitemixtureandfullshadearesufficient

§ Nomixturesofcolorantswiththispolymer

§ Mixtureswithcolorantsonlyinthe“Masterpolymer”

Example– CharacterizationofPCR1inColibri

Example– calibrationsamplesandopticaldataofPCR1

Example– ColourMatchingofagreenshampoobottlewithPCR2

§ Firstshotqualityoftherecipemightbeslightlyworsethanitwouldbeinavirginpolymer

§ Butwithonlyonecorrectionthecolouriswithintolerance

§ Verygoodcolourmatchevenwithonlyafewcalibrationsamplesoftherecycledmaterialandwithoutcharacterizationofallcolorantsinthismaterial

Example– ColourMatchingofagreenshampoobottle

Eventhoughdifferentqualitiesofrecycledmaterialwereused,itwaspossibletomatchthecolourshadewithgoodaccuracy

PCR1Firsttrial

PCR1Correction

PCR2Firsttrial

PCR2Correction

Example2– ColourMatchingofRAL5014withPCR1

PCR1Firsttrial

PCR1Correction

PCR2Firsttrial

PCR2Correction

• ItwaspossibletomatchtheRALshadewithbothPCRsinsuitableprecisionwithonly1correction

• DependingonthecolourandopacityofthePCRtheremightbeshadeswhichcannotbematchedeasily

§ Choiceofsuitable PCRcolorforeachmatch

§ ConsidermixingofPCRwithvirginmaterialtoenlargecolorgamuttobecoveredbythePCR

Example2– ColourMatchresultsRAL5014

PCR2andvirginpolymer:ColourMatchofbrilliantCocaColaredusingtheattachmentfunction

Example3– ColourMatchingusingamixwithvirginmaterial

Example3– Matchingresults

Bymixingrecycledmaterialwithvirginpolymerevenbrilliantcolourscanbematched,whichwouldnotbepossiblewiththepurePCR

PCR2Firsttrial

PCR2Correction

Example3– Matchingresults

Colibri® – theColour-Managementsoftwarefortheglobalsupplychain