1、 01.04.2019 ,Processing Promoters, Folie: 1 ,Processing Promoters for Tire Compound Processing 用于轮胎胶料的加工助剂,Dr.Lothar Steger /范汝良 Rhein Chemie Rheinau GmbH 莱茵化学（青岛）有限公司, 01.04.2019 ,Processing Promoters, Folie: 2 ,Processing Promoters : Definition 加工助剂的定义,Processing Promoters are tailer made additive
2、s, which enable a homogeneous mixing and the subsequent processing of the rubber compound“ 加工助剂是一种量身定做的添加剂，它们可以实现均相混炼并改善后续加工行为。 Processing Promoters improve the extrusion, calandering and molding performance but do not negatively influence the vulcanization properties of the mixture.“ 它们可以改善挤出、压延和模压
3、硫化性能并且不会对硫化胶性能带来负面影响。, 01.04.2019 ,Processing Promoters, Folie: 3 ,Correlation 生产过程与实验设备的相关性 Production and Laboratory Equipment,高压毛细管流变仪,门尼粘度,挤出机,流变硫化仪,模压硫化,混炼,挤出,注压硫化,剪切速率,粘度, 01.04.2019 ,Processing Promoters, Folie: 4 ,Division of Processing Promoters according to Their Chemical Composition 根据化学组
4、成对加工助剂的分类, 01.04.2019 ,Processing Promoters, Folie: 5 ,Division of Processing Promoters according to their effects in the tire compound根据对轮胎胶料的影响的分类, 01.04.2019 ,Processing Promoters, Folie: 6 ,Processing Promoters with Mastication Effect具有塑炼效果的加工助剂, 01.04.2019 ,Processing Promoters, Folie: 7 ,Masti
5、cation Effect 塑炼效果Mooney Viscosity ML1+4/100C,Fatty Acid Fe-hemi,None,None,Zn-soap saturated Fe-hemi,Zn-soap Unsaturated Fe-hemi,Alk.-Poly-sulfide Fatty-acids Fe-hemi,NR, Internal Mixer, 3, dumped at 140，天然橡胶在密炼机中密炼3分钟排胶温度140 ,Aktiplast 8,Aktiplast M,Aktiplast F,Aflux 61,ML1+4/100C,无塑解剂,脂肪酸与铁络合物,饱和锌
6、皂与铁络合物,不饱和锌皂与铁络合物,烷基多硫化物、脂肪酸与铁络合物, 01.04.2019 ,Processing Promoters, Folie: 8 ,Mode of Action of Processing Promoters 加工助剂的作用原理,内润滑作用,溶解于橡胶中,外润滑作用,不溶解于橡胶中,分散,润滑, 01.04.2019 ,Processing Promoters, Folie: 9 ,Processing Promoter Effects as a function of their polymer solubility溶解度不同加工助剂作用效果不同, 01.04.20
7、19 ,Processing Promoters, Folie: 10 ,Processing Promoter Lubricant Effects 加工助剂的润滑作用,p p,crit,Vg,Vg,wall,Mixture,wall,Vg,Filmslippage膜滑动,high processing prom.,Concentration加工助剂浓度高,wall,Mixture,Effects at critical shear stress,with,active processing promoters,Effects at critical shear stress,without,
8、processing promoter,Wall-Slip Wall-Stick,Film-Slippage,不含加工助剂时临界剪切应力影响,含加工助剂时临界剪切应力影响, 01.04.2019 ,Processing Promoters, Folie: 11 ,Change of polymer conformation with shear stress 随剪切橡胶聚集体结构的变化,polymer chain orientation at high shear stress 高剪切应力下的橡胶分子链取向,Capillary Wall毛细管壁, 01.04.2019 ,Processing
9、Promoters, Folie: 12 ,Analytical determination of surface concentration 表面浓度的检测分析,Surface analysis via FTIR-Spectroscopy:,Sample,Calibration of the EPDM-Zinc- Soap mixture :,Characteristical pattern of the zinc soap : 1532 1/cm,Processing Promoter, 01.04.2019 ,Processing Promoters, Folie: 13 ,Proces
10、sing Promoters Lubricant Effect 加工助剂的润滑效果,Processing Promoters perform a certain function determined by their solubility in the rubber. 加工助剂润滑效果取决于它们在橡胶中的溶解度 They reduce shear stress due to high surface concentrations at location of high shear gradient. They resolve in the mix after leaving the shea
11、r zone (die). 加工助剂降低剪切应力，这是因为在高剪切区域其浓度很高 Each polymer or blend needs its unique processing promoter taking into accaount the processing technique. 任何橡胶或其共混物都有与其相适应的加工助剂 Processing Promoetrs increase quality and quantity of extrusion and injection molding significantly. 加工助剂有效增加挤出、注射产品的质量和产量, 01.04.2
12、019 ,Processing Promoters, Folie: 14 ,Tread：Carbon Black / E-SBR 胎面胶： 炭黑/ E-SBR,SBR 1712 110 BR-Buna CB 10 20 N-220 80 Aromatic Oil 10 Aktiplast GT 3 Stearic acid 1 6PPD 1 TMQ 1 Wax/Antilux 654 2 Zn0 3 Sulfur 2,2 TBBS/Vukacit NZ 0,9,加工助剂 : Aktiplast GT/PP (Zn-soap / mainly saturated) Control without
13、 Processing Promoter 100 Mixing (Mooney, HPCR) ML 1+4/100C 85HPCR 100C/11s-1 85 Extrusion (Torsiograph) Extrusion rate g/min 104 Extrusion volume cm/min 117 Curing (Rheovulcameter) Injection volume mm3 160 Injection speed mm3/sec 115 Literature 参考文献 ITEC 1998 Akron/OH Rhein Chemie Technical Report 6
14、3, 01.04.2019 ,Processing Promoters, Folie: 15 ,viscoelastic properties depend strongly on the degree of silanisation 胶料粘弹性能强烈依赖于硅烷化反应的程度 varying green rubber properties会改变生胶强度 Milling behaviour strongly depends on degree of silanisation混炼行为强烈依赖于硅烷化反应的程度 Porosity 白炭黑的多孔性 Varying extrudate swell 改变挤出
15、胀大 Plugged ventings堵塞排气孔,Problems related with the processing of silica compounds白炭黑混炼胶存在的弊端, 01.04.2019 ,Processing Promoters, Folie: 16 ,Tread：Carbon Black / E-SBR 胎面胶： 炭黑/ E-SBR,S-SBR-Buna VSL 1955-S25 96 Nd-BR-Buna CB 24 30 Silica-Ultrasil 7000 70 Carbon Black N-110 10 X-50 S (50% Si-69) 12,5 Ak
16、tiplast ST 5 ZnO 3 Stearic acid 1 Aromatic Oil 20 TMQ 1 6PPD 1,5 Antilux 654 1,5 CBS 1,5 DPG 2 Sulphur 1,5,Processing Promoter : Aktiplast ST (mixture of Zn-soap, fatty-ester, filler) Control without Processing Promoter 100 Mixing (Mooney, HPCR) ML 1+4/100C 83 HPCR 100C/11s-1 85 Extrusion (Torsiogra
17、ph) Extrusion rate g/min 116 Extrusion volume cm/min 117 Curing (Rheovulcameter) Injection volume mm3 200 Injection speed mm3/sec 155 Literature ITEC 1996 Akron/OH Rhein Chemie Technical Report 60, 01.04.2019 ,Processing Promoters, Folie: 17 ,Influence of Aktiplast ST Flow properties 莱茵塑分ST对流动性能的影响,
18、0,10,20,30,40,50,60,0 phr,1 phr,2 phr,3 phr,4 phr,5 phr,0,500,1.000,1.500,2.000,2.500,0 phr,1 phr,2 phr,3 phr,4 phr,5 phr,0,5.000,10.000,15.000,20.000,25.000,0 phr,1 phr,2 phr,3 phr,4 phr,5 phr,0,10,20,30,40,50,60,70,80,0 phr,1 phr,2 phr,3 phr,4 phr,5 phr,HKR (90C,11/s),Viscosity (Pas), 01.04.2019 ,
19、Processing Promoters, Folie: 18 ,流变硫化仪的实验过程, 01.04.2019 ,Processing Promoters, Folie: 19 ,Rheovulcameter 流变硫化仪实验结果,Different Amount of Processing Promoter (Aktiplast ST)不同用量的加工助剂莱茵塑分ST,O phr,1 phr,2 phr,3 phr,4 phr,5 phr, 01.04.2019 ,Processing Promoters, Folie: 20 ,Processing Promoter for Silica Tread Compounds用于白炭黑胎面胶的加工助剂,Aktiplast ST 莱茵塑分ST,Improves filler dispersion改善填料分散Dramatically improves flow properties改善流动性Increases scorch safety 提高焦烧安全Reduces energy consumption in extrusion 减少挤出能量消耗Improves wet traction without negative effecton rolling resistance改善湿滑牵引性能不伤害滚动损失,
