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InstitiuteofOrganicChemicalTechnologyInternationalLaboratoryofAdhesivesandSelf-adhesiveMaterialsWestPomeranianUniversityofTechnology,Szczecin,Poland2019,Wuxi,ChinaWuxiHITLimitedCorporation&ResearchInstituteofNewMaterialsHarbinInstituteofTechnology1UV-crosslinkablesolvent-basedpressure-sensitiveadhesives(PSA)basedonacrylicsKarolinaMozelewskaInstitiuteofOrganicChemicalTechnologyInternationalLaboratoryofAdhesivesandSelf-adhesiveMaterialsWestPomeranianUniversityofTechnology,Szczecin,Poland2AimofpresentationPressure-sensitiveadhesivesPSAtodayMonomersMetedologyofself-adhesivetapesMeasurementsSynthesisofsolvent-basedacrylicPSAResultsSummary3AGENDAAIMOFPRESENTATIONSynthesisofphotoreactive

UV-crosslinkablesolvent-basedpressure-sensitiveadhesivesbasedonacrylicswhichcouldbecharacterizedbybroadrangeofperformancesuitableformanufacturingofvarioushighperformanceself-adhesivematerialsinformof:one-sided,double-sidedorcarrier-freemounting

tapessignandmarkingfilmslabelsprotectivefilmsawiderangeofmedicalproducts4THETERMPSAPressure-sensitiveadhesives(PSA)

arenonmetallic(polymeric)materialsusedtobondothermaterialscharacterizedbypermanenttack,peeladhesionandshearstrength.5glasstransitiontemperature

Tg<-25°C

amorphousstructureofthepolymerPSATODAYSiliconesEVA

RubbersPolyethersPolyestersPolyurethanesAcrylics

6MAINPROPERTIESOFPRESSURE-SENSITIVEADHESIVESTack(Initialadhesion)Peeladhesion(adhesion)Shearstrength(cohesion)ShrinkageCohesion-AdhesionBalance7IMPORTANTACRYLATEMONOMERSFORSYNTHESISOFSOLVENT-BASEDACRYLISPSA8METEDOLOGYOFSELF-ADHESIVETAPESCoatweightofPSAlayer:30g/m260g/m290g/m2120g/m2UV-crosslinkingdoses:5mJ/cm210

mJ/cm220

mJ/cm215mJ/cm230

mJ/cm250mJ/cm29compositionconcentrationofthephotoinitiatorthethicknessofacoatedPSAlayerUV-crosslinking

timeakindofUV-equipmentsaUV-dosesMEASUREMENTOFSHEARSTRENGHT20°CAND70°CFINATFTM810MEASUREMENTOFTACKANDADHESIONTestingmachinefromRoell/ZwickCompanyMeasurementofpeeladhesiononsteelplateAFERA4015AFERA400111SYNTHESISOFSOLVENT-BASEDACRYLICPSANameCompositionsSolventDosagetimePostreactiontimePolymercontent[wt%]mass[g]n-butylacrylate[wt%]acrylicacid

[wt%]4-Acryloyloxybenzophenone[wt%]Azobisisobutyronitrile[wt%]KM194.45.00.10.1ethylacetate1h3h55.0160KM294.45.00.23h167KM394.75.00.33h160KM494.65.00.43h160KM594.55.00.53h174KM694.45.00.63h160KM794.35.00.73h143KM894.25.00.83h174KM994.15.00.93h141KM1094.05.013h1731213KM414KM415KM416KM417KM418KM419KM420KM421KM422KM523KM624KM725KM826NameCompositionsSolventDosagetimePostreactiontimePolymercontent[wt%]2-ethylhexylacrylate[wt%]acrylicacid

[wt%]4-acryloyloxybenzophenone

[wt%]Azobisisobutyro-nitrile(AIBN)

[wt%]KM1194.95.00.10.1ethylacetate1h3h55.0KM1294.80.2KM1394.70.3KM1494.60.4KM1594.50.5KM1694.40.6KM1794.30.7KM1894.20.8KM1994.10.9KM2094.01SYNTHESISOFSOLVENT-BASEDACRYLICPSA27NameCompositionsSolventDosagetimePostreactiontimePolymercontent[wt%]2-ethylhexylacrylate[wt%]acrylicacid

[wt%]4-acryloyloxybenzophenone

[wt%]Azobisisobutyro-nitrile(AIBN)

[wt%]KM1194.95.05.05.00.10.10.10.1ethylacetateethylacetateethylacetate1h1h1h3h3h3h55.055.055.0KM1294.80.2KM1394.70.3KM1494.60.4KM1594.50.5KM1694.40.6KM1794.30.7KM1894.20.8KM1994.10.9KM2094.01SYNTHESISOFSOLVENT-BASEDACRYLICPSAKM152829NameCompositionsSolventDosagetimePostreactiontimePolymercontent[wt%]2-ethylhexylacrylate[wt%]n-butylacrylate

[wt%]acrylicacid

[wt%]4-acryloyloxybenzophenone[wt%]Azobisisobutyro-nitrile(AIBN)

[wt%]KM219.4585.955.00.50.1ethylacetate1h3h55.0KM2218.975.6KM2328.3566.15KM2437.856.7KM2547.2547.25KM2656.737.8KM2766.1528.35KM2875.618.9KM2985.959.45SYNTHESISOFSOLVENT-BASEDACRYLICPSA30NameCompositionsSolventDosagetimePostreactiontimePolymercontent[wt%]2-ethylhexylacrylate[wt%]n-butylacrylate

[wt%]acrylicacid

[wt%]4-acryloyloxybenzophenone[wt%]Azobisisobutyro-nitrile(AIBN)

[wt%]KM219.4585.955.05.00.50.50.10.1ethylacetateethylacetate1h1h3h3h55.055.0KM2218.975.6KM2328.3566.15KM2437.856.7KM2547.2547.25KM2656.737.8KM2766.1528.35KM2875.618.9KM2985.959.45SYNTHESISOFSOLVENT-BASEDACRYLICPSAKM2131KM2232KM2333SYNTHESISOFSOLVENT-BASEDACRYLICPSANameCompositionsSolventDosagetimePostreactiontimePolymercontent[wt%]methylacrylate[wt%]n-butylacrylate[wt%]acrylicacid

[wt%]4-acryloyloxybenzophenone

[wt%]Azobisisobutyro-nitrile(AIBN)[wt%]KM315.089.55.00.50.1ethylacetate1h3h55.0KM3210.084.5KM3315.079.5KM3420.074.5KM3525.069.5KM3630.064.5KM3735.059.5KM3840.054.5KM3945.049.5KM4047.2547.2534SYNTHESISOFSOLVENT-BASEDACRYLICPSANameCompositionsSolventDosagetimePostreactiontimePolymercontent[wt%]methylacrylate[wt%]n-butylacrylate[wt%]acrylicacid

[wt%]4-acryloyloxybenzophenone

[wt%]Azobisisobutyro-nitrile(AIBN)[wt%]KM315.089.55.05.00.50.50.10.1ethylacetateethylacetate1h1h3h3h55.055.0KM3210.084.5KM3315.079.5KM3420.074.5KM3525.069.5KM3630.064.5KM3735.059.5KM3840.054.5KM3945.049.5KM4047.2547.2535KM3136KM3237KM3338KM3439SUMMARY40Name/thicknessCompositionUV-doses[mJ/cm2]Cohesionat20°C[h]Cohesionat70°C[h]Tack[N/25mm]Peeladhesion[N/25mm]KM4/60n-butylacrylate94.6wt%acrylicacid5.0wt%4-ABP0.4wt%10>168>16818.114.9KM5/60n-butylacrylate94.5wt%acrylicacid5.0wt%4-ABP0.5wt%5>168>16815.121.2KM5/9010>168>16815.915.8KM7/90n-butylacrylate94.3wt%acrylicacid5.0wt%4-ABP0.7wt%10>168>16816.117.1KM21/60n-butylacrylate85.95wt%2-ethylhexylacrylate9.45wt%acrylicacid5.0wt%4-ABP0.5wt%50>168>16820.823.4KM21/9050>168>16813.625.0KM22/60n-butylacrylate75.6wt%2-ethylhexylacrylate18.9wt%acrylicacid5.0wt%4-ABP0.5wt%10>168>16818.817.5KM22/9010>168>16816.227.415>168>16816.122.420>168>16815.519.3KM23/60n-butylacrylate66.15wt%2-ethylhexylacrylate28.35wt%acrylicacid5.0wt%4-ABP0.5wt%30>168>16822.617.8KM31/60n-butylacrylate89.5wt%methylacrylate5.0wt%acrylicacid5.0wt%4-ABP0.5wt%5>168>16821.016.710>168>16819.914.6SUMMARY41Name/thicknessCompositionUV-doses[mJ/cm2]Cohesionat20°C[h]Cohesionat70°C[h]Tack

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