不干膠的動作原理課件

不乾膠的定義

DefinitionofPSA擁有持久的高黏度

Aggressivelyandpermanentlytacky應(yīng)用時只需用手或手指施壓

Adhereswithfingerorhandpressure不需水,溶劑或加熱過程

Requiresnoactivationbywater,solventorheat有牢靠的粘黏力

Exertsastrongholdingforce有足夠的內(nèi)聚力和彈性

HassufficientcohesivenessandelasticityPressureSensitiveTapeCouncil不乾膠的定義

DefinitionofPSA擁有持久的高1不干膠的好處

AdvantagesofPSA抯不須涂布，混合等預(yù)處理步驟

Readytouse,nomixingorbrushingisrequired一貫性的膠量Consistentamountofadhesive使用上方便，快捷

Lessmessythansuperglueandcontactcement可以模切成各種形狀

Canbediecutintospecificshapes持久的黏彈性可以避免脆化，斷裂等現(xiàn)象

Staysviscoelasticwhicheliminatesbrittlefracturepossiblewithepoxies,hotmeltsandcyanoacrylates無臭，無味和溶劑Lessodorduringuse不干膠的好處

AdvantagesofPSA抯不須涂布，2粘黏力和內(nèi)聚力

AdhesionandCohesion內(nèi)聚力Cohesion

材料自身的力量InternalstrengthofmaterialAdhesiveSubstrateSubstrateAdhesiveSubstrateSubstrate粘黏力Adhesion

存在兩種表面之間的力量Forcebetweendissimilarsurfaces粘黏力和內(nèi)聚力

AdhesionandCohesion內(nèi)3黏性與剪力

ViscosityandShearStrength低黏性材料

LowViscousMaterials(e.g.Water水)高流動性

Floweasily不須施加壓力

Donotneedrubdownpressure無剪力

Noshearstrength高黏性材料

HigherViscousMaterials(e.g.Oil,Honey油,蜂蜜)只需少許壓力便可以流動

Requiremoderatepressuretoflow低剪力

Littleshearstrength無法持久承受荷重

Failundercontinuousshearload黏性與剪力

ViscosityandShearStre4黏性與剪力

ViscosityandShearStrength黏彈性材料

Visco-elasticMaterials

(e.g.PressureSensitiveAdhesive不乾膠)使用時須施加壓力

Requireconsiderablerub-downpressure需駐留時間發(fā)揮效能

Requiredwelltime有優(yōu)良的剪力

Wellbalancedshearproperties非黏性材料

Non-viscousMaterials

(e.g.curedadhesives作用后的粘黏劑)無流動性

Noflowcharacteristics無黏性

Notsticky有極高的剪力

Maximumshearstrength黏性與剪力

ViscosityandShearStre5黏性和黏彈性

ViscosityandVisco-elasticity粘黏性

AdhesionProperties內(nèi)聚力特性

CohesionProperties軟

Soft韌

Firm不乾膠

PressureSensitiveAdhesives黏性

Viscous黏彈性

Visco-elastic彈性

Elastic固體狀Solid黏性和黏彈性

ViscosityandVisco-ela6不乾膠的運作原理

HowPSABonds?不乾膠具有流動性,能與背材緊密接合

AdhesivemustFLOWtoCONTACT

substrate

不乾膠與背材間的相互作用

Adhesive-SubstrateINTERACTION不乾膠的運作原理

HowPSABonds?7初期與最終粘黏力

InitialandUltimateAdhesion初期粘黏力無駐留時間InitialAdhesionNoDwellTime最終粘黏力駐留時間:UltimateAdhesion72小時/70癈初期與最終粘黏力

InitialandU8軟性與韌性的不乾膠

SoftandFirmAdhesives韌性不乾膠FirmAdhesive較小的初期接觸面積

Lessimmediatecontact較低的初期粘黏力

Lowinitialbondstrength須較長的駐留時間

Requireslongerdwelltime軟性不乾膠SoftAdhesive良好的初期接觸面積

Goodimmediatecontact較高的初期粘黏力

Highinitialbondstrength較短或不須駐留時間

Needslittleornodwelltime軟性與韌性的不乾膠

SoftandFir9軟性與韌性的不乾膠

SoftandFirmAdhesives駐留時間DwellTimeAdhesionLevel粘黏力軟性膠

Soft韌性膠

Firm軟性與韌性的不乾膠

SoftandFi10如何取得最大的接觸面積

MaximisationofContactArea時間Time膠需要時間流動Foradhesivetoflow溫度Temperature高溫可以減低膠的黏性Decreaseadhesiveviscosity促進膠的流動性

Acceleratesadhesiveflow促進膠的Improvewetting壓力Pressure促進膠的流動性

Acceleratesadhesiveflow促進膠的

Improvessurfacewetting避免汽泡的產(chǎn)生

Eliminatestrappedair壓力如何取得最大的接觸面積

Maximis11表面能

SurfaceEnergy

高表面能

HighSurfaceEnergy容易黏接

Easy-to-adhere金屬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難以黏接

Hard-to-adhere表面能

SurfaceEnergy高表面能

12表面結(jié)構(gòu)與不乾膠的厚薄度

SurfaceTexture粗糙的表面TexturedSurface薄ThinAdhesive

有限度的接觸

LimitedContact厚

ThickAdhesive最大接觸面積

MaximumContact表面結(jié)構(gòu)與不乾膠的厚薄度

SurfaceTextur13不乾膠的化學(xué)構(gòu)成

PressureSensitiveAdhesive橡膠類RubberAdhesives天然膠NaturalRubber人造膠SyntheticRubber丙烯酸類AcrylicAdhesives純丙烯酸類StandardAcrylic改良丙烯酸類ModifiedAcrylic矽膠類

SiliconeElastomerAdhesives不乾膠的化學(xué)構(gòu)成

PressureSensitiveAd14不干膠的動作原理課件15RubbervsAcrylicAdhesivesBondBuildUp駐留時間

DwellTime丙烯酸類AcrylicAdhesionLevel粘黏力RubbervsAcrylicAdhesivesBondBuildUp駐留時間

DwellTime丙烯酸類AcrylicAdhesionLevel粘黏力橡膠類

RubberRubbervsAcrylicAdhesivesBo16丙烯酸膠的化學(xué)

AcrylicAdhesiveChemistry交連結(jié)構(gòu)Crosslinking增粘處理Tackification不同的聚合物基體Variouspolymerbackbones丙烯酸膠的化學(xué)

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粘接不牢的各種因素

WhatCausesBondFailure?不乾膠與背材的相互作用

Adhesive-SubstrateIncompatibilty表面結(jié)構(gòu)TexturedSurface表面污染SurfaceContamination離型劑MoldRelease,塵埃DustParticles增塑劑的遷移PlasticiserMigration軟質(zhì)聚氯乙烯FlexiblePVC,橡膠Rubber殘留水份OutgassingofMoisture聚碳Polycarbonate粘接不牢的各種因素

WhatCausesBondFai23表面污染

SurfaceContamination油脂,指紋,水,油和注塑用的離型劑

Grease,FingerPrint,Moisture,Oil,MoldReleaseChemicals防止膠與背材接合

Createabarrierbewteenadhesiveandsubstrate塵埃,石粉,纖維持等

Dust,Talc,Fiber,ParticleContamination影響膠的黏性

Affectstackinessofadhesive減少有效的接觸面積

Reducecontactsurfacearea表面污染

SurfaceContamination油脂,24剝離力與剪力的測試

PeelvsShearTest剝離力Peel

衡量

measures

粘黏力Adhesion剪力Shear

衡量

measures

內(nèi)聚力Cohesion剝離力與剪力的測試

PeelvsShearTest剝離25剪力

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

ShearStrengthShearmeasu26靜態(tài)剪力

StaticShearStrengthTimeRequiredtoshearadefinedareaoftapefromatestpanelatconstantloadVariablesLoadTestPanelMaterialandSurfaceConditionsTemperatureLoadTapeTestPanel靜態(tài)剪力

StaticShearStrength27動態(tài)剪力

DynamicShearStrengthForceRequiredtoshearastandardareaoftapefromatestpanelatconstantspeedVariableSpeedTestPanelMaterialandSurfaceConditionsTemperature動態(tài)剪力

DynamicShearStrengt28剝離力

PeelStrengthPeelmeasuresAdhesion-thebondingstrengthofadhesiveTypicallySoftAdhesive-HighPeelFirmAdhesive-LowPeelThickAdhesive-HighPeelThinAdhsive-LowPeel剝離力

PeelStrengthPeelmeasures29靜態(tài)剝離強度

StaticPeelAdhesionTimeRequiredtopeeladefinedlengthoftapefromatestpanelatspecificangleatconstantloadVariablesLoadTestPanelMaterialandSurfaceConditionsTemperature靜態(tài)剝離強度

StaticPeelAdhes30動態(tài)剝離強度

DynamicPeelAdhesionForcerequiredtopeelstandardareaoftapefromatestpanelatspecificangleandconstantspeedVariableSpeedTestPanelMaterialandSurfaceConditionsTemperature180°Peel90°Peel動態(tài)剝離強度

DynamicPeelAdhe31演講完畢，謝謝觀看！演講完畢，謝謝觀看！32不乾膠的定義

DefinitionofPSA擁有持久的高黏度

Aggressivelyandpermanentlytacky應(yīng)用時只需用手或手指施壓

Adhereswithfingerorhandpressure不需水,溶劑或加熱過程

Requiresnoactivationbywater,solventorheat有牢靠的粘黏力

Exertsastrongholdingforce有足夠的內(nèi)聚力和彈性

HassufficientcohesivenessandelasticityPressureSensitiveTapeCouncil不乾膠的定義

DefinitionofPSA擁有持久的高33不干膠的好處

AdvantagesofPSA抯不須涂布，混合等預(yù)處理步驟

Readytouse,nomixingorbrushingisrequired一貫性的膠量Consistentamountofadhesive使用上方便，快捷

Lessmessythansuperglueandcontactcement可以模切成各種形狀

Canbediecutintospecificshapes持久的黏彈性可以避免脆化，斷裂等現(xiàn)象

Staysviscoelasticwhicheliminatesbrittlefracturepossiblewithepoxies,hotmeltsandcyanoacrylates無臭，無味和溶劑Lessodorduringuse不干膠的好處

AdvantagesofPSA抯不須涂布，34粘黏力和內(nèi)聚力

AdhesionandCohesion內(nèi)聚力Cohesion

材料自身的力量InternalstrengthofmaterialAdhesiveSubstrateSubstrateAdhesiveSubstrateSubstrate粘黏力Adhesion

存在兩種表面之間的力量Forcebetweendissimilarsurfaces粘黏力和內(nèi)聚力

AdhesionandCohesion內(nèi)35黏性與剪力

ViscosityandShearStrength低黏性材料

LowViscousMaterials(e.g.Water水)高流動性

Floweasily不須施加壓力

Donotneedrubdownpressure無剪力

Noshearstrength高黏性材料

HigherViscousMaterials(e.g.Oil,Honey油,蜂蜜)只需少許壓力便可以流動

Requiremoderatepressuretoflow低剪力

Littleshearstrength無法持久承受荷重

Failundercontinuousshearload黏性與剪力

ViscosityandShearStre36黏性與剪力

ViscosityandShearStrength黏彈性材料

Visco-elasticMaterials

(e.g.PressureSensitiveAdhesive不乾膠)使用時須施加壓力

Requireconsiderablerub-downpressure需駐留時間發(fā)揮效能

Requiredwelltime有優(yōu)良的剪力

Wellbalancedshearproperties非黏性材料

Non-viscousMaterials

(e.g.curedadhesives作用后的粘黏劑)無流動性

Noflowcharacteristics無黏性

Notsticky有極高的剪力

Maximumshearstrength黏性與剪力

ViscosityandShearStre37黏性和黏彈性

ViscosityandVisco-elasticity粘黏性

AdhesionProperties內(nèi)聚力特性

CohesionProperties軟

Soft韌

Firm不乾膠

PressureSensitiveAdhesives黏性

Viscous黏彈性

Visco-elastic彈性

Elastic固體狀Solid黏性和黏彈性

ViscosityandVisco-ela38不乾膠的運作原理

HowPSABonds?不乾膠具有流動性,能與背材緊密接合

AdhesivemustFLOWtoCONTACT

substrate

不乾膠與背材間的相互作用

Adhesive-SubstrateINTERACTION不乾膠的運作原理

HowPSABonds?39初期與最終粘黏力

InitialandUltimateAdhesion初期粘黏力無駐留時間InitialAdhesionNoDwellTime最終粘黏力駐留時間:UltimateAdhesion72小時/70癈初期與最終粘黏力

InitialandU40軟性與韌性的不乾膠

SoftandFirmAdhesives韌性不乾膠FirmAdhesive較小的初期接觸面積

Lessimmediatecontact較低的初期粘黏力

Lowinitialbondstrength須較長的駐留時間

Requireslongerdwelltime軟性不乾膠SoftAdhesive良好的初期接觸面積

Goodimmediatecontact較高的初期粘黏力

Highinitialbondstrength較短或不須駐留時間

Needslittleornodwelltime軟性與韌性的不乾膠

SoftandFir41軟性與韌性的不乾膠

SoftandFirmAdhesives駐留時間DwellTimeAdhesionLevel粘黏力軟性膠

Soft韌性膠

Firm軟性與韌性的不乾膠

SoftandFi42如何取得最大的接觸面積

MaximisationofContactArea時間Time膠需要時間流動Foradhesivetoflow溫度Temperature高溫可以減低膠的黏性Decreaseadhesiveviscosity促進膠的流動性

Acceleratesadhesiveflow促進膠的Improvewetting壓力Pressure促進膠的流動性

Acceleratesadhesiveflow促進膠的

Improvessurfacewetting避免汽泡的產(chǎn)生

Eliminatestrappedair壓力如何取得最大的接觸面積

Maximis43表面能

SurfaceEnergy

高表面能

HighSurfaceEnergy容易黏接

Easy-to-adhere金屬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難以黏接

Hard-to-adhere表面能

SurfaceEnergy高表面能

44表面結(jié)構(gòu)與不乾膠的厚薄度

SurfaceTexture粗糙的表面TexturedSurface薄ThinAdhesive

有限度的接觸

LimitedContact厚

ThickAdhesive最大接觸面積

MaximumContact表面結(jié)構(gòu)與不乾膠的厚薄度

SurfaceTextur45不乾膠的化學(xué)構(gòu)成

PressureSensitiveAdhesive橡膠類RubberAdhesives天然膠NaturalRubber人造膠SyntheticRubber丙烯酸類AcrylicAdhesives純丙烯酸類StandardAcrylic改良丙烯酸類ModifiedAcrylic矽膠類

SiliconeElastomerAdhesives不乾膠的化學(xué)構(gòu)成

PressureSensitiveAd46不干膠的動作原理課件47RubbervsAcrylicAdhesivesBondBuildUp駐留時間

DwellTime丙烯酸類AcrylicAdhesionLevel粘黏力RubbervsAcrylicAdhesivesBondBuildUp駐留時間

DwellTime丙烯酸類AcrylicAdhesionLevel粘黏力橡膠類

RubberRubbervsAcrylicAdhesivesBo48丙烯酸膠的化學(xué)

AcrylicAdhesiveChemistry交連結(jié)構(gòu)Crosslinking增粘處理Tackification不同的聚合物基體Variouspolymerbackbones丙烯酸膠的化學(xué)

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粘接不牢的各種因素

WhatCausesBondFailure?不乾膠與背材的相互作用

Adhesive-SubstrateIncompatibilty表面結(jié)構(gòu)TexturedSurface表面污染SurfaceContamination離型劑MoldRelease,塵埃DustParticles增塑劑的遷移PlasticiserMigration軟質(zhì)聚氯乙烯FlexiblePVC,橡膠Rubber殘留水份OutgassingofMoisture聚碳Polycarbonate粘接不牢的各種因素

WhatCausesBondFai55表面污染

SurfaceContamination油脂,指紋,水,油和注塑用的離型劑

Grease,FingerPrint,Moisture,Oil,MoldReleaseChemicals防止膠與背材接合

Createabarrierbewteenadhesiveandsubstrate塵埃,石粉,纖維持等

Dust,Talc,Fiber,ParticleContamination影響膠的黏性

Affectstackinessofadhesive減少有效的接觸面積

Reducecontactsurfacearea表面污染

SurfaceContaminatio