用于輪胎膠料的加工助劑課件

ProcessingPromoters

for

TireCompoundProcessing

用于輪胎膠料的加工助劑Dr.LotharSteger/范汝良RheinChemieRheinauGmbH萊茵化學(xué)（青島）有限公司[

09.06.2023

][Folie:1

]ProcessingPromotersProcessingPromoters:Definition

加工助劑的定義?ProcessingPromoters

are

tailermade

additives,which

enableahomogeneous

mixingandthe

subsequent

processingoftherubbercompound“

加工助劑是一種量身定做的添加劑，它們可以實(shí)現(xiàn)均相混煉并改善后續(xù)加工行為。

ProcessingPromoters

improve

the

extrusion,calanderingandmolding

performance

butdonot

negatively

influence

the

vulcanization

propertiesofthe

mixture.“它們可以改善擠出、壓延和模壓硫化性能并且不會(huì)對(duì)硫化膠性能帶來(lái)負(fù)面影響。[

09.06.2023

]2ProcessingPromotersCorrelation–生產(chǎn)過(guò)程與實(shí)驗(yàn)設(shè)備的相關(guān)性ProductionandLaboratoryEquipment高壓毛細(xì)管流變儀門(mén)尼粘度擠出機(jī)流變硫化儀模壓硫化混煉擠出注壓硫化剪切速率粘度[

09.06.2023

]3ProcessingPromotersDivisionofProcessingPromotersaccordingtoTheir

Chemical

Composition根據(jù)化學(xué)組成對(duì)加工助劑的分類Chemical

descriptionExamplesHydrocarbons碳?xì)浠衔颬araffinic

waxesandoils鏈烷烴蠟Metalsoaps金屬皂類Zn-,Ca-,Mg-,K-soaps鋅/鈣/鎂/鉀皂Carboxyl-organic

compounds羧基化合物Fatty-acids,-alcohols,-esters脂肪酸、脂肪醇、脂肪脂類Resins樹(shù)脂類Petroleum-,Indene-Coumarone-,Phenolic-resins石油/古馬隆-茚/酚醛Crosslinked

glycerides交聯(lián)甘油酯Vulcanized

vegetable

oils交聯(lián)植物油Polymerswith

low

molecular

weigth低分子量聚合物Poly-ethylene,-propylene,-butadiene聚乙烯、聚丙烯、丁二烯Other

organic

compounds

with

hetereoatoms其它雜原子有機(jī)物Aryldisulphide,Fatty-acid-amide芳基二硫化物、脂肪酸酰胺[

09.06.2023

]4ProcessingPromotersDivisionofProcessing

Promotersaccordingtotheir

effectsinthe

tire

compound根據(jù)對(duì)輪胎膠料的影響的分類Effectintire

輪胎膠compound料影響Chemical

Composition化學(xué)組成TradeNames商品名Mastication

Agent塑解劑2,2‘-dibenzamido-diphenyldisulfideFe-complex

with

organic

additivesRenacit11Aktiplast8Dispersant分散劑Fatty-acid,-alcohol,-ester脂肪酸醇酯MixtureofZn-soap,fatty-ester,fillerAflux42AktiplastSTLubricant潤(rùn)滑劑Zn-soaps鋅皂Ca-soaps鈣皂AktiplastPPAflux16Homogenizer均勻劑Specialfraction

hydrocarbon

resins特殊碳?xì)錁?shù)脂RhenosinTP100Tackifier增粘劑Indene-Coumarone-Resin/lowm.w.

Alkylated

phenolic

resin古馬隆-茚/烷基化酚醛樹(shù)脂RhenosinC-30RhenosinPT100[

09.06.2023

]5ProcessingPromotersProcessing

Promoterswith

Mastication

Effect具有塑煉效果的加工助劑Description組成Effects效果Product產(chǎn)品Fatty-acid,-ester,Fe-hemi脂肪酸/脂/鐵的絡(luò)合物MasticationofNR塑煉Aktiplast8Zn-soaps(mainly

saturated),Fe-hemi飽和脂肪酸鋅和鐵的絡(luò)合物MasticationofNR,

Improvementofflow塑煉和改善流動(dòng)性AktiplastMZn-soaps(mainly

unsaturated)Fe-hemi不飽和脂肪酸鋅和鐵的絡(luò)合物MasticationofNR,

Filler

Dispersion塑煉和填料分散AktiplastFAlkylated-Poly-Sulfides,Fatty-acids,Fe-hemi烷基多硫化物/脂肪酸/鐵的絡(luò)合物MasticationofNR,塑煉FillerDispersion,填料分散Improvementofflow改善流動(dòng)Aflux61[

09.06.2023

]6ProcessingPromotersMastication

Effect

塑煉效果Mooney

ViscosityML1+4/100°CFatty

AcidFe-hemiNoneNoneZn-soapsaturatedFe-hemiZn-soapUnsaturatedFe-hemiAlk.-Poly-sulfideFatty-acidsFe-hemiNR,InternalMixer,3‘,dumpedat140℃，天然橡膠在密煉機(jī)中密煉3分鐘排膠溫度140℃Aktiplast8AktiplastMAktiplastFAflux61ML1+4/100°C無(wú)塑解劑脂肪酸與鐵絡(luò)合物飽和鋅皂與鐵絡(luò)合物不飽和鋅皂與鐵絡(luò)合物烷基多硫化物、脂肪酸與鐵絡(luò)合物[

09.06.2023

]7ProcessingPromotersModeofAction

ofProcessingPromoters加工助劑的作用原理內(nèi)潤(rùn)滑作用溶解于橡膠中外潤(rùn)滑作用不溶解于橡膠中分散潤(rùn)滑[

09.06.2023

]8ProcessingPromotersProcessingPromoterEffectsasafunctionoftheirpolymersolubility溶解度不同加工助劑作用效果不同Polymersoluble

additive與橡膠相容intramolecularLubricant分子內(nèi)潤(rùn)滑surface

coatingoffillers;

leadstopolymerswelling填料表面涂層導(dǎo)致橡膠溶脹Dispersant分散Polymerinsoluble

additive與橡膠不相容extramolecularLubricant分子外潤(rùn)滑migrationtothepolymersurface

under

stress應(yīng)力作用下遷移到橡膠表面Lubricant潤(rùn)滑[

09.06.2023

]9ProcessingPromotersProcessing

PromoterLubricant

Effects

加工助劑的潤(rùn)滑作用p>pcritVgVgwallMixturewallVgFilmslippage膜滑動(dòng)highprocessingprom.Concentration加工助劑濃度高wallMixtureEffectsatcritical

shearstresswith

active

processing

promoters

Effectsatcritical

shearstresswithout

processing

promoter

Wall-SlipWall-StickFilm-Slippage不含加工助劑時(shí)臨界剪切應(yīng)力影響含加工助劑時(shí)臨界剪切應(yīng)力影響[

09.06.2023

]10ProcessingPromotersChangeofpolymerconformation

with

shear

stress

隨剪切橡膠聚集體結(jié)構(gòu)的變化statisticalpolymercoilinthe

coreofthe

flowasareaoflow

shear低剪切速率區(qū)域橡膠分子鏈的卷曲polymerchain

orientationathighshear

stress高剪切應(yīng)力下的橡膠分子鏈取向Capillary

Wall毛細(xì)管壁[

09.06.2023

]11ProcessingPromotersAnalytical

determinationof

surface

concentration

表面濃度的檢測(cè)分析Surface

analysisviaFTIR-Spectroscopy:SampleCalibrationofthe

EPDM-Zinc-Soap

mixture:2468100,40,60,811,2Concentration

Zn-soap[phr]ExtinctionReference

peak:1376/cmRegressioncoeff.=0,99927Characteristical

patternofthe

zinc

soap:1532[1/cm]ProcessingPromoter[

09.06.2023

]12ProcessingPromotersProcessing

PromotersLubricant

Effect

加工助劑的潤(rùn)滑效果ProcessingPromotersperformacertain

function

determined

by

their

solubilityinthe

rubber.加工助劑潤(rùn)滑效果取決于它們?cè)谙鹉z中的溶解度They

reduce

shearstressduetohighsurface

concentrationsatlocationofhighshear

gradient.They

resolveinthemixafter

leaving

the

shear

zone(die).加工助劑降低剪切應(yīng)力，這是因?yàn)樵诟呒羟袇^(qū)域其濃度很高Eachpolymerorblendneeds

its

unique

processing

promoter

taking

into

accaount

the

processing

technique.任何橡膠或其共混物都有與其相適應(yīng)的加工助劑Processing

Promoetrs

increase

qualityandquantityofextrusionandinjection

molding

significantly.加工助劑有效增加擠出、注射產(chǎn)品的質(zhì)量和產(chǎn)量[

09.06.2023

]13ProcessingPromotersTread：CarbonBlack/E-SBR

胎面膠：炭黑/E-SBRSBR1712 110BR-BunaCB10 20N-220 80AromaticOil 10AktiplastGT 3Stearic

acid 16PPD 1TMQ 1Wax/Antilux654 2Zn0 3Sulfur 2,2TBBS/VukacitNZ 0,9 加工助劑:AktiplastGT/PP

(Zn-soap/mainly

saturated)Control

without

ProcessingPromoter 100Mixing(Mooney,HPCR)ML1+4/100°C85HPCR100°C/11s-1 85Extrusion(Torsiograph)Extrusionrateg/min104Extrusionvolumecm/min117Curing(Rheovulcameter)Injection

volumemm3160Injection

speedmm3/sec115Literature參考文獻(xiàn)ITEC1998Akron/OHRheinChemieTechnicalReport63[

09.06.2023

]14ProcessingPromotersviscoelastic

properties

depend

stronglyon

the

degreeofsilanisation

膠料粘彈性能強(qiáng)烈依賴于硅烷化反應(yīng)的程度varying

greenrubberproperties會(huì)改變生膠強(qiáng)度

Milling

behaviour

strongly

dependsondegreeofsilanisation混煉行為強(qiáng)烈依賴于硅烷化反應(yīng)的程度

Porosity

白炭黑的多孔性

Varying

extrudate

swell

改變擠出脹大Plugged

ventings堵塞排氣孔Problemsrelated

with

the

processingofsilica

compounds白炭黑混煉膠存在的弊端[

09.06.2023

]15ProcessingPromotersTread：CarbonBlack/E-SBR

胎面膠：炭黑/E-SBRS-SBR-BunaVSL1955-S25 96Nd-BR-BunaCB24 30Silica-Ultrasil7000 70CarbonBlackN-110 10X-50S(50%Si-69) 12,5AktiplastST 5ZnO 3Stearic

acid 1AromaticOil 20TMQ 16PPD 1,5Antilux654 1,5CBS 1,5DPG 2Sulphur 1,5ProcessingPromoter:AktiplastST(mixtureofZn-soap,fatty-ester,filler)Control

without

ProcessingPromoter100Mixing(Mooney,HPCR)ML1+4/100°C 83HPCR100°C/11s-185Extrusion(Torsiograph)Extrusionrateg/min116Extrusionvolumecm/min117Curing(Rheovulcameter)Injection

volumemm3200Injection

speedmm3/sec155LiteratureITEC1996Akron/OHRheinChemieTechnicalReport60[

09.06.2023

]16ProcessingPromotersInfluenceofAktiplast

STFlow

properties萊茵塑分ST對(duì)流動(dòng)性能的影響01020304050600phr1phr2phr3phr4phr5phr05