不干胶的动作原理课件

不乾胶的定义

DefinitionofPSA拥有持久的高黏度

Aggressivelyandpermanentlytacky应用时只需用手或手指施压

Adhereswithfingerorhandpressure不需水,溶剂或加热过程

Requiresnoactivationbywater,solventorheat有牢靠的粘黏力

Exertsastrongholdingforce有足够的内聚力和弹性

HassufficientcohesivenessandelasticityPressureSensitiveTapeCouncil不乾胶的定义

DefinitionofPSA拥有持久的高1不干胶的好处

AdvantagesofPSA抯不须涂布，混合等预处理步骤

Readytouse,nomixingorbrushingisrequired一贯性的胶量Consistentamountofadhesive使用上方便，快捷

Lessmessythansuperglueandcontactcement可以模切成各种形状

Canbediecutintospecificshapes持久的黏弹性可以避免脆化，断裂等现象

Staysviscoelasticwhicheliminatesbrittlefracturepossiblewithepoxies,hotmeltsandcyanoacrylates无臭，无味和溶剂Lessodorduringuse不干胶的好处

AdvantagesofPSA抯不须涂布，2粘黏力和内聚力

AdhesionandCohesion内聚力Cohesion

材料自身的力量InternalstrengthofmaterialAdhesiveSubstrateSubstrateAdhesiveSubstrateSubstrate粘黏力Adhesion

存在两种表面之间的力量Forcebetweendissimilarsurfaces粘黏力和内聚力

AdhesionandCohesion内3黏性与剪力

ViscosityandShearStrength低黏性材料

LowViscousMaterials(e.g.Water水)高流动性

Floweasily不须施加压力

Donotneedrubdownpressure无剪力

Noshearstrength高黏性材料

HigherViscousMaterials(e.g.Oil,Honey油,蜂蜜)只需少许压力便可以流动

Requiremoderatepressuretoflow低剪力

Littleshearstrength无法持久承受荷重

Failundercontinuousshearload黏性与剪力

ViscosityandShearStre4黏性与剪力

ViscosityandShearStrength黏弹性材料

Visco-elasticMaterials

(e.g.PressureSensitiveAdhesive不乾胶)使用时须施加压力

Requireconsiderablerub-downpressure需驻留时间发挥效能

Requiredwelltime有优良的剪力

Wellbalancedshearproperties非黏性材料

Non-viscousMaterials

(e.g.curedadhesives作用后的粘黏剂)无流动性

Noflowcharacteristics无黏性

Notsticky有极高的剪力

Maximumshearstrength黏性与剪力

ViscosityandShearStre5黏性和黏弹性

ViscosityandVisco-elasticity粘黏性

AdhesionProperties内聚力特性

CohesionProperties软

Soft韧

Firm不乾胶

PressureSensitiveAdhesives黏性

Viscous黏弹性

Visco-elastic弹性

Elastic固体状Solid黏性和黏弹性

ViscosityandVisco-ela6不乾胶的运作原理

HowPSABonds?不乾胶具有流动性,能与背材紧密接合

AdhesivemustFLOWtoCONTACT

substrate

不乾胶与背材间的相互作用

Adhesive-SubstrateINTERACTION不乾胶的运作原理

HowPSABonds?7初期与最终粘黏力

InitialandUltimateAdhesion初期粘黏力无驻留时间InitialAdhesionNoDwellTime最终粘黏力驻留时间:UltimateAdhesion72小时/70癈初期与最终粘黏力

InitialandU8软性与韧性的不乾胶

SoftandFirmAdhesives韧性不乾胶FirmAdhesive较小的初期接触面积

Lessimmediatecontact较低的初期粘黏力

Lowinitialbondstrength须较长的驻留时间

Requireslongerdwelltime软性不乾胶SoftAdhesive良好的初期接触面积

Goodimmediatecontact较高的初期粘黏力

Highinitialbondstrength较短或不须驻留时间

Needslittleornodwelltime软性与韧性的不乾胶

SoftandFir9软性与韧性的不乾胶

SoftandFirmAdhesives驻留时间DwellTimeAdhesionLevel粘黏力软性胶

Soft韧性胶

Firm软性与韧性的不乾胶

SoftandFi10如何取得最大的接触面积

MaximisationofContactArea时间Time胶需要时间流动Foradhesivetoflow温度Temperature高温可以减低胶的黏性Decreaseadhesiveviscosity促进胶的流动性

Acceleratesadhesiveflow促进胶的Improvewetting压力Pressure促进胶的流动性

Acceleratesadhesiveflow促进胶的

Improvessurfacewetting避免汽泡的产生

Eliminatestrappedair压力如何取得最大的接触面积

Maximis11表面能

SurfaceEnergy

高表面能

HighSurfaceEnergy容易黏接

Easy-to-adhere金属Metals 聚碳Polycarbonate聚酯Polyester 聚氯乙烯PVC聚氨Polyurethane丙烯酸AcrylicPolyvinylAcetate聚乙烯Polyethylene聚苯Polystyrene聚丙烯Polypropylene聚氟Teflon 低表面能

LowSurfaceEnergy难以黏接

Hard-to-adhere表面能

SurfaceEnergy高表面能

12表面结构与不乾胶的厚薄度

SurfaceTexture粗糙的表面TexturedSurface薄ThinAdhesive

有限度的接触

LimitedContact厚

ThickAdhesive最大接触面积

MaximumContact表面结构与不乾胶的厚薄度

SurfaceTextur13不乾胶的化学构成

PressureSensitiveAdhesive橡胶类RubberAdhesives天然胶NaturalRubber人造胶SyntheticRubber丙烯酸类AcrylicAdhesives纯丙烯酸类StandardAcrylic改良丙烯酸类ModifiedAcrylic矽胶类

SiliconeElastomerAdhesives不乾胶的化学构成

PressureSensitiveAd14不干胶的动作原理课件15RubbervsAcrylicAdhesivesBondBuildUp驻留时间

DwellTime丙烯酸类AcrylicAdhesionLevel粘黏力RubbervsAcrylicAdhesivesBondBuildUp驻留时间

DwellTime丙烯酸类AcrylicAdhesionLevel粘黏力橡胶类

RubberRubbervsAcrylicAdhesivesBo16丙烯酸胶的化学

AcrylicAdhesiveChemistry交连结构Crosslinking增粘处理Tackification不同的聚合物基体Variouspolymerbackbones丙烯酸胶的化学

AcrylicAdhesiveChemi17NocrosslinkingHighlycrosslinkedIncreasingCrosslinking:

ImprovestemperatureresistanceProvidesshortdwellrepositionabilityonplasticsIncreasessolventresistanceImprovesdiecuttingandhandlingCrosslinkingTiepolymerstrandstogetherNocrosslinkingHighlycrosslin18NotackifierMaximumtackifierIncreasingTackifier: IncreasesadhesionDecreasestemperatureresistanceDecreasessolventresistanceIncreasessoftness/oozingTackificationAddingresinstoincreasetheadhesiontolowsurfaceenergymaterialsNotackifierMaximumtackifierI19StaticShearArea:0.5?X1? Load: 1,000g@roomtemp.

500g@158deg.FCrosslinkingvsShear#200 #220 #100#400 9502,9505 #200MP1,000

6,000

10,000+

20 4,000 10,000+IncreasedCrosslinkingStaticShearArea:0.5?X1? 20IncreasedCrosslinkingCrosslinkingvsShear#310 #300 #350 #300LSE1,000

1,000

2,500+10 10 2,500+StaticShearArea:0.5?X1? Load: 1,000g@roomtemp.

500g@158deg.FIncreasedCrosslinkingCrosslin21ASTMD3330-90degree,72hourroomtempdwell*Typicalvalues-notforspecificationpurposes

Adhesive Stainless ABS Polypropylene(2mil) Steel #100 92 73 13 #200MP 103 57 22 #350 63 61 39 #300LSE 73 72 70 #300 72 83 52

AdhesivePeelPerformanceASTMD3330-90degree,72hou22粘接不牢的各种因素

WhatCausesBondFailure?不乾胶与背材的相互作用

Adhesive-SubstrateIncompatibilty表面结构TexturedSurface表面污染SurfaceContamination离型剂MoldRelease,尘埃DustParticles增塑剂的迁移PlasticiserMigration软质聚氯乙烯FlexiblePVC,橡胶Rubber残留水份OutgassingofMoisture聚碳Polycarbonate粘接不牢的各种因素

WhatCausesBondFai23表面污染

SurfaceContamination油脂,指纹,水,油和注塑用的离型剂

Grease,FingerPrint,Moisture,Oil,MoldReleaseChemicals防止胶与背材接合

Createabarrierbewteenadhesiveandsubstrate尘埃,石粉,纤维持等

Dust,Talc,Fiber,ParticleContamination影响胶的黏性

Affectstackinessofadhesive减少有效的接触面积

Reducecontactsurfacearea表面污染

SurfaceContamination油脂,24剥离力与剪力的测试

PeelvsShearTest剥离力Peel

衡量

measures

粘黏力Adhesion剪力Shear

衡量

measures

内聚力Cohesion剥离力与剪力的测试

PeelvsShearTest剥离25剪力

ShearStrengthShearmeasuresCohesion-theinternalstrengthofadhesiveTypicallySoftAdhesive-LowShearFirmAdhesive-HighShearThickAdhesive-LowShearThinAdhsive-HighShear剪力

ShearStrengthShearmeasu26静态剪力

StaticShearStrengthTimeRequiredtoshearadefinedareaoftapefromatestpanelatconstantloadVariablesLoadTestPanelMaterialandSurfaceConditionsTemperatureLoadTapeTestPanel静态剪力

StaticShearStrength27动态剪力

DynamicShearStrengthForceRequiredtoshearastandardareaoftapefromatestpanelatconstantspeedVariableSpeedTestPanelMaterialandSurfaceConditionsTemperature动态剪力

DynamicShearStrengt28剥离力

PeelStrengthPeelmeasuresAdhesion-thebondingstrengthofadhesiveTypicallySoftAdhesive-HighPeelFirmAdhesive-LowPeelThickAdhesive-HighPeelThinAdhsive-LowPeel剥离力

PeelStrengthPeelmeasures29静态剥离强度

StaticPeelAdhesionTimeRequiredtopeeladefinedlengthoftapefromatestpanelatspecificangleatconstantloadVariablesLoadTestPanelMaterialandSurfaceConditionsTemperature静态剥离强度

StaticPeelAdhes30动态剥离强度

DynamicPeelAdhesionForcerequiredtopeelstandardareaoftapefromatestpanelatspecificangleandconstantspeedVariableSpeedTestPanelMaterialandSurfaceConditionsTemperature180°Peel90°Peel动态剥离强度

DynamicPeelAdhe31演讲完毕，谢谢观看！演讲完毕，谢谢观看！32不乾胶的定义

DefinitionofPSA拥有持久的高黏度

Aggressivelyandpermanentlytacky应用时只需用手或手指施压

Adhereswithfingerorhandpressure不需水,溶剂或加热过程

Requiresnoactivationbywater,solventorheat有牢靠的粘黏力

Exertsastrongholdingforce有足够的内聚力和弹性

HassufficientcohesivenessandelasticityPressureSensitiveTapeCouncil不乾胶的定义

DefinitionofPSA拥有持久的高33不干胶的好处

AdvantagesofPSA抯不须涂布，混合等预处理步骤

Readytouse,nomixingorbrushingisrequired一贯性的胶量Consistentamountofadhesive使用上方便，快捷

Lessmessythansuperglueandcontactcement可以模切成各种形状

Canbediecutintospecificshapes持久的黏弹性可以避免脆化，断裂等现象

Staysviscoelasticwhicheliminatesbrittlefracturepossiblewithepoxies,hotmeltsandcyanoacrylates无臭，无味和溶剂Lessodorduringuse不干胶的好处

AdvantagesofPSA抯不须涂布，34粘黏力和内聚力

AdhesionandCohesion内聚力Cohesion

材料自身的力量InternalstrengthofmaterialAdhesiveSubstrateSubstrateAdhesiveSubstrateSubstrate粘黏力Adhesion

存在两种表面之间的力量Forcebetweendissimilarsurfaces粘黏力和内聚力

AdhesionandCohesion内35黏性与剪力

ViscosityandShearStrength低黏性材料

LowViscousMaterials(e.g.Water水)高流动性

Floweasily不须施加压力

Donotneedrubdownpressure无剪力

Noshearstrength高黏性材料

HigherViscousMaterials(e.g.Oil,Honey油,蜂蜜)只需少许压力便可以流动

Requiremoderatepressuretoflow低剪力

Littleshearstrength无法持久承受荷重

Failundercontinuousshearload黏性与剪力

ViscosityandShearStre36黏性与剪力

ViscosityandShearStrength黏弹性材料

Visco-elasticMaterials

(e.g.PressureSensitiveAdhesive不乾胶)使用时须施加压力

Requireconsiderablerub-downpressure需驻留时间发挥效能

Requiredwelltime有优良的剪力

Wellbalancedshearproperties非黏性材料

Non-viscousMaterials

(e.g.curedadhesives作用后的粘黏剂)无流动性

Noflowcharacteristics无黏性

Notsticky有极高的剪力

Maximumshearstrength黏性与剪力

ViscosityandShearStre37黏性和黏弹性

ViscosityandVisco-elasticity粘黏性

AdhesionProperties内聚力特性

CohesionProperties软

Soft韧

Firm不乾胶

PressureSensitiveAdhesives黏性

Viscous黏弹性

Visco-elastic弹性

Elastic固体状Solid黏性和黏弹性

ViscosityandVisco-ela38不乾胶的运作原理

HowPSABonds?不乾胶具有流动性,能与背材紧密接合

AdhesivemustFLOWtoCONTACT

substrate

不乾胶与背材间的相互作用

Adhesive-SubstrateINTERACTION不乾胶的运作原理

HowPSABonds?39初期与最终粘黏力

InitialandUltimateAdhesion初期粘黏力无驻留时间InitialAdhesionNoDwellTime最终粘黏力驻留时间:UltimateAdhesion72小时/70癈初期与最终粘黏力

InitialandU40软性与韧性的不乾胶

SoftandFirmAdhesives韧性不乾胶FirmAdhesive较小的初期接触面积

Lessimmediatecontact较低的初期粘黏力

Lowinitialbondstrength须较长的驻留时间

Requireslongerdwelltime软性不乾胶SoftAdhesive良好的初期接触面积

Goodimmediatecontact较高的初期粘黏力

Highinitialbondstrength较短或不须驻留时间

Needslittleornodwelltime软性与韧性的不乾胶

SoftandFir41软性与韧性的不乾胶

SoftandFirmAdhesives驻留时间DwellTimeAdhesionLevel粘黏力软性胶

Soft韧性胶

Firm软性与韧性的不乾胶

SoftandFi42如何取得最大的接触面积

MaximisationofContactArea时间Time胶需要时间流动Foradhesivetoflow温度Temperature高温可以减低胶的黏性Decreaseadhesiveviscosity促进胶的流动性

Acceleratesadhesiveflow促进胶的Improvewetting压力Pressure促进胶的流动性

Acceleratesadhesiveflow促进胶的

Improvessurfacewetting避免汽泡的产生

Eliminatestrappedair压力如何取得最大的接触面积

Maximis43表面能

SurfaceEnergy

高表面能

HighSurfaceEnergy容易黏接

Easy-to-adhere金属Metals 聚碳Polycarbonate聚酯Polyester 聚氯乙烯PVC聚氨Polyurethane丙烯酸AcrylicPolyvinylAcetate聚乙烯Polyethylene聚苯Polystyrene聚丙烯Polypropylene聚氟Teflon 低表面能

LowSurfaceEnergy难以黏接

Hard-to-adhere表面能

SurfaceEnergy高表面能

44表面结构与不乾胶的厚薄度

SurfaceTexture粗糙的表面TexturedSurface薄ThinAdhesive

有限度的接触

LimitedContact厚

ThickAdhesive最大接触面积

MaximumContact表面结构与不乾胶的厚薄度

SurfaceTextur45不乾胶的化学构成

PressureSensitiveAdhesive橡胶类RubberAdhesives天然胶NaturalRubber人造胶SyntheticRubber丙烯酸类AcrylicAdhesives纯丙烯酸类StandardAcrylic改良丙烯酸类ModifiedAcrylic矽胶类

SiliconeElastomerAdhesives不乾胶的化学构成

PressureSensitiveAd46不干胶的动作原理课件47RubbervsAcrylicAdhesivesBondBuildUp驻留时间

DwellTime丙烯酸类AcrylicAdhesionLevel粘黏力RubbervsAcrylicAdhesivesBondBuildUp驻留时间

DwellTime丙烯酸类AcrylicAdhesionLevel粘黏力橡胶类

RubberRubbervsAcrylicAdhesivesBo48丙烯酸胶的化学

AcrylicAdhesiveChemistry交连结构Crosslinking增粘处理Tackification不同的聚合物基体Variouspolymerbackbones丙烯酸胶的化学

AcrylicAdhesiveChemi49NocrosslinkingHighlycrosslinkedIncreasingCrosslinking:

ImprovestemperatureresistanceProvidesshortdwellrepositionabilityonplasticsIncreasessolventresistanceImprovesdiecuttingandhandlingCrosslinkingTiepolymerstrandstogetherNocrosslinkingHighlycrosslin50NotackifierMaximumtackifierIncreasingTackifier: IncreasesadhesionDecreasestemperatureresistanceDecreasessolventresistanceIncreasessoftness/oozingTackificationAddingresinstoincreasetheadhesiontolowsurfaceenergymaterialsNotackifierMaximumtackifierI51StaticShearArea:0.5?X1? Load: 1,000g@roomtemp.

500g@158deg.FCrosslinkingvsShear#200 #220 #100#400 9502,9505 #200MP1,000

6,000

10,000+

20 4,000 10,000+IncreasedCrosslinkingStaticShearArea:0.5?X1? 52IncreasedCrosslinkingCrosslinkingvsShear#310 #300 #350 #300LSE1,000

1,000

2,500+10 10 2,500+StaticShearArea:0.5?X1? Load: 1,000g@roomtemp.

500g@158deg.FIncreasedCrosslinkingCrosslin53ASTMD3330-90degree,72hourroomtempdwell*Typicalvalues-notforspecificationpurposes

Adhesive Stainless ABS Polypropylene(2mil) Steel #100 92 73 13 #200MP 103 57 22 #350 63 61 39 #300LSE 73 72 70 #300 72 83 52

AdhesivePeelPerformanceASTMD3330-90degree,72hou54粘接不牢的各种因素

WhatCausesBondFailure?不乾胶与背材的相互作用

Adhesive-SubstrateIncompatibilty表面结构TexturedSurface表面污染SurfaceContamination离型剂MoldRelease,尘埃DustParticles增塑剂的迁移PlasticiserMigration软质聚氯乙烯FlexiblePVC,橡胶Rubber残留水份OutgassingofMoisture聚碳Polycarbonate粘接不牢的各种因素

WhatCausesBondFai55表面污染

SurfaceContamination油脂,指纹,水,油和注塑用的离型剂

Grease,FingerPrint,Moisture,Oil,MoldReleaseChemicals防止胶与背材接合

Createabarrierbewteenadhesiveandsubstrate尘埃,石粉,纤维持等

Dust,Talc,Fiber,ParticleContamination影响胶的黏性

Affectstackinessofadhesive减少有效的接触面积

Reducecontactsurfacearea表面污染

SurfaceContaminatio