在合成橡胶评定试验配方中采用炭黑和氧化锌品种的研究课件.ppt

1、主要内容 Main content n1 1、前、前 言言 IntroductionIntroduction n2 2、实、实 验验 ExperimentsExperiments n3 3、结果与讨论、结果与讨论 Results and discussionsResults and discussions n4 4、结、结 论论 ConclusionsConclusions1 1、前、前 言言 IntroductionIntroduction1.ASTM D1765 IRB7#1.ASTM D1765 IRB7#、IRB7#IRB7#2.2.中国研制中国研制IRC4#IRC4#。Chinese

2、 IRC4#Chinese IRC4#A.本文涉及两个标准参比炭黑 Two standard reference carbon blackB.三个标准 Three standards1.ISO23221.ISO2322：19961996丁苯胶丁苯胶(SBR)(SBR)乳液和溶液聚合型评定方法乳液和溶液聚合型评定方法 ISO2322:1996(Styrene-Butadiene Rubber(SBR)Emulsion-ISO2322:1996(Styrene-Butadiene Rubber(SBR)Emulsion-and solution-polymerized types Evaluati

3、on procedures)and solution-polymerized types Evaluation procedures)2.ISO 24762.ISO 2476：19961996顺丁橡胶顺丁橡胶(BR)(BR)溶液聚合型评定方法溶液聚合型评定方法 ISO 2476:1996(Butadiene Rubber Solution Polymerized ISO 2476:1996(Butadiene Rubber Solution Polymerized Types-Evaluation Procedures)Types-Evaluation Procedures)n3.ASTM D

4、 3192-053.ASTM D 3192-05炭黑在天然橡胶中的鉴定方法炭黑在天然橡胶中的鉴定方法1.1.ASTM D 3192-05(Test Methods for Carbon Black ASTM D 3192-05(Test Methods for Carbon Black Evaluation in Natural Rubber)Evaluation in Natural Rubber)C.实验目的Purpose of the experiment 1.1.对比测试两种标准参比炭黑在丁苯胶对比测试两种标准参比炭黑在丁苯胶(SBR)1500(SBR)1500、顺丁橡胶、顺丁橡胶(B

5、R)9000(BR)9000和和天然橡胶天然橡胶NRNR中的物理机械性能。中的物理机械性能。To carry out comparison test on physical and mechanical To carry out comparison test on physical and mechanical properties of two kinds of reference carbon black in SBR1500properties of two kinds of reference carbon black in SBR1500、BR9000 and NR.BR9000

6、and NR.2.2.研究橡胶专用研究橡胶专用ZnOZnO和分析纯和分析纯ZnOZnO在合成胶胶料中的作用在合成胶胶料中的作用 The function of different kinds of ZnO in synthetic rubber The function of different kinds of ZnO in synthetic rubber pound.D.中国标准参比炭黑IRC4#的研制The manufacture of chinese reference carbon black IRC4#n标准参比炭黑是对炭黑产品质量和合成橡胶质量进行检验时采用的标标准参比炭黑是对

7、炭黑产品质量和合成橡胶质量进行检验时采用的标准物质，当前国际标准参比炭黑采用的是准物质，当前国际标准参比炭黑采用的是ASTM D1765 IRB7ASTM D1765 IRB7（以下简（以下简称称IRB7#IRB7#）。）。n为适应国内大量使用标准参比炭黑的需求，中国国家炭黑质检中心研为适应国内大量使用标准参比炭黑的需求，中国国家炭黑质检中心研制生产了中国标准参比炭黑，即制生产了中国标准参比炭黑，即GB/T 9578 GB/T 9578 标准参比炭黑标准参比炭黑4 4（以下简（以下简称称IRC4#IRC4#）。）。2 实验Experiments2.1 实验设备 Experimental equ

8、ipment n150150炼胶机：广东湛江橡塑机械厂生产；炼胶机：广东湛江橡塑机械厂生产；n6363吨平板硫化机：浙江湖州宏川橡塑机械厂生产；吨平板硫化机：浙江湖州宏川橡塑机械厂生产；n微机控制电子拉力试验机：深圳市新三思材料检测有限公司微机控制电子拉力试验机：深圳市新三思材料检测有限公司2.2 实验材料Experimental materials n标准参比炭黑标准参比炭黑IRB7IRB7从美国进口从美国进口;IRB7 IRB7,ASTM reference carbon black is imported from USA,ASTM reference carbon black is i

9、mported from USA nIRC4#IRC4#由国家炭黑质量监督检验中心生产由国家炭黑质量监督检验中心生产;IRC4#,domestic standard reference carbon black is produced IRC4#,domestic standard reference carbon black is produced by National Carbon Black Quality Supervision and Inspection by National Carbon Black Quality Supervision and Inspection Cen

10、ter Center n丁苯胶丁苯胶(SBR)1500(SBR)1500为吉化公司生产为吉化公司生产;(SBR)1500 is produced by Jilin Branch of Pertrochina,(SBR)1500 is produced by Jilin Branch of Pertrochina,n顺丁橡胶顺丁橡胶(BR)9000(BR)9000为新疆独山子公司生产为新疆独山子公司生产;(BR)9000 is produced by Xinjiang Dushanzi Co.,Ltd (BR)9000 is produced by Xinjiang Dushanzi Co.,L

11、tdn天然胶为云南产天然胶为云南产1#1#烟片胶。烟片胶。natural rubber is 1#smoke sheet rubber produced in Yunnan.natural rubber is 1#smoke sheet rubber produced in Yunnan.n分析纯分析纯ZnOZnO采用成都金山化学试剂有限公司生产的产品（批号采用成都金山化学试剂有限公司生产的产品（批号090412090412）。）。Analytical reagent ZnO is produced by Chengdu Jinshan Analytical reagent ZnO is pr

12、oduced by Chengdu Jinshan Chemical Reagent Plant(Batch No.090412).Chemical Reagent Plant(Batch No.090412).n其余试验用一般性材料均为市售商品。其余试验用一般性材料均为市售商品。Other experimental materials are generally commercially Other experimental materials are generally commercially available.available.2.3 实验配方 Experimental formu

13、la n实验时，采用三个配方实验时，采用三个配方:nISO 2322ISO 2322：19961996国际标准国际标准丁苯胶丁苯胶(SBR)(SBR)乳液和溶液聚合型评定方乳液和溶液聚合型评定方法法，ISO 2322ISO 2322：1996 1996 nBR9000BR9000采用国际标准采用国际标准ISO 2476ISO 2476：19961996顺丁橡胶顺丁橡胶(BR)(BR)溶液聚合型溶液聚合型评定方法评定方法，ISO 2476ISO 2476：1996 1996 nASTM D 3192-05ASTM D 3192-05炭黑在天然橡胶中的鉴定方法炭黑在天然橡胶中的鉴定方法。ASTM

14、D 3192-05ASTM D 3192-052.4 测试项目Test items n测试测试IRB7IRB7、IRC4#IRC4#在在SBR1500SBR1500、BR9000BR9000和和NRNR中物理机械性能中物理机械性能n主要包括：主要包括：拉伸强度、拉伸强度、300%300%定伸应力、拉断伸长率定伸应力、拉断伸长率。n测试样品时采用测试样品时采用6 6平行试验法平行试验法.The Physical and mechanical properties of IRB7 The Physical and mechanical properties of IRB7 and IRC4#and

15、 IRC4#mainly include tensile strength,stress at 300%elongation mainly include tensile strength,stress at 300%elongation and break at elongation in SBR-1500,BR-9000 and natural and break at elongation in SBR-1500,BR-9000 and natural rubber are tested.rubber are tested.Test samples are 6 parallel test

16、s.Test samples are 6 parallel tests.n由于有部分实验室在进行合成胶物理机械性能测试时，未使用橡胶专由于有部分实验室在进行合成胶物理机械性能测试时，未使用橡胶专用用ZnOZnO，而是使用分析纯，而是使用分析纯ZnOZnO，本次实验同时研究了这两种，本次实验同时研究了这两种ZnOZnO对橡胶对橡胶物理机械性能的影响。物理机械性能的影响。analytical reagent ZnO and special ZnO for rubber analytical reagent ZnO and special ZnO for rubber 3.结果与讨论Results

17、and discussions 3.1 IRB7和IRC4测试结果Test results of of IRB7 and IRC4 表表1 1 IRB7IRB7和和IRC4IRC4化学基本性质化学基本性质的测试结果的测试结果 Table 1 Table 1 测试项目测试项目Test itemTest item 吸碘值吸碘值Iodine Iodine adsorptionadsorptionDBPDBPCDBPCDBPCTABCTAB着色着色强度强度TintTintNSANSASTSASTSA（g/kgg/kg）(10(10-5-5m m3 3/kg)/kg)(10(10-5-5m m3 3/k

18、g)/kg)(10(103 3m m2 2/kg)/kg)(%)(%)(10(103 3m m2 2/kg)/kg)(10(103 3m m2 2/kg)/kg)平均值平均值AveraAveragegevaluevalueIRBIRB7 780.73 102.38 87.97 82.22 107.73 79.0273.08IRCIRC4 480.53102.6285.4577.00100.3376.5071.73IRB7IRB7IRC4IRC40.2-0.242.525.227.42.521.35表表2 IRB72 IRB7和和IRC4IRC4在在SBR1500SBR1500中的测试值中的测试

19、值 Table 2 Table 2 测试项目测试项目Test itemTest item 拉伸强度拉伸强度 Tensile strength,Tensile strength,拉断伸长率拉断伸长率Elongation at break,Elongation at break,300%定伸应力定伸应力Stress at 300%Stress at 300%elongation,elongation,(MPa)(%)(,MPa)硫化时间硫化时间min Vulcanizing Vulcanizing timetime253550253550253550平均值平均值AverageAveragevalu

20、evalue IRB729.629.430.14293953912021.622.4IRC428.9729.1329.3544441640219.0520.5221.35IRB7IRC40.630.270.75-15-21-110.951.081.05测试项目测试项目Test itemTest item 拉伸强度拉伸强度Tensile strengthTensile strength,拉断伸长率拉断伸长率Elongation at Elongation at break,break,300%定伸应力定伸应力Stress Stress at 300%elongation,at 300%elong

21、ation,(MPa)(%)(,MPa)硫化时间硫化时间min Vulcanizing Vulcanizing timetime253550253550253550 平均值平均值AverageAveragevalue value IRB716.5315.4515.6843940440110.1510.5210.38IRC415.6815.0715.2342940241110.0010.3310.05IRB7IRC40.850.380.45102-100.150.190.33表表3 IRB73 IRB7和和IRC4IRC4在在BR9000BR9000中的测试值中的测试值 Table 3 Tabl

22、e 3 The test value of IRB7 and IRC4 in BR9000The test value of IRB7 and IRC4 in BR9000表表4 IRB74 IRB7和和IRC4IRC4在在NRNR中的测试结果中的测试结果Table 4 Table 4 The test value of IRB7 and IRC4 in NRThe test value of IRB7 and IRC4 in NR测试项目测试项目Test itemTest item 拉伸强度拉伸强度Tensile strength,Tensile strength,(MPa)拉断伸长率拉断伸

23、长率Elongation atElongation atbreak,break,(%)(%)300%定伸定伸应力应力Stress at 300%Stress at 300%elongation,elongation,(MPa)硫化时间硫化时间min Vulcanizing timeVulcanizing time303030平均值平均值AverageAveragevaluevalue IRB725.3 434 16.9 IRC4 24.6743316.75IRB7IRC40.6310.15标准参比炭黑IRB7#和IRC4#测试值比较Standard reference black IRB7#a

24、nd IRC4#Comparison n1.IRB7#1.IRB7#和和IRC4#IRC4#的化学基本性能测试值相近，都具有较高的稳定的化学基本性能测试值相近，都具有较高的稳定性，都适合做标准参比炭黑使用。性，都适合做标准参比炭黑使用。Test value for basic chemical properties of IRB7#and Test value for basic chemical properties of IRB7#and IRC4#is similar.Both are highly stable and suitable to IRC4#is similar.Both

25、are highly stable and suitable to be used as standard reference carbon black.be used as standard reference carbon black.n2.IRB7#2.IRB7#和和IRC4#IRC4#在在SBR1500SBR1500、BR9000BR9000和和NRNR中的测试值相近，都具有较中的测试值相近，都具有较高的稳定性，都适合在合成胶中作质量鉴定用标准参比炭黑。高的稳定性，都适合在合成胶中作质量鉴定用标准参比炭黑。Test value of IRB7#Test value of IRB7#和和

26、IRC4#in SBR1500,BR9000 and NR is IRC4#in SBR1500,BR9000 and NR is similar.Both are highly stable and suitable to be used as similar.Both are highly stable and suitable to be used as standard reference carbon black in quality evaluation of standard reference carbon black in quality evaluation of synt

27、hetic rubber.synthetic rubber.n3.3.在同等试验条件下，在同等试验条件下，IRC4#IRC4#填充的胶料填充的胶料300%300%定伸应力略低于定伸应力略低于IRB7#IRB7#，而拉断伸长率优于而拉断伸长率优于IRB7#IRB7#，有利于在合成橡胶中作标准参比炭黑使用。，有利于在合成橡胶中作标准参比炭黑使用。Under the same experimental condition,filler in IRC4#has Under the same experimental condition,filler in IRC4#has slightly lower

28、 stress at 300%elongation and better slightly lower stress at 300%elongation and better elongation at break than IRB7,facilitating it use as elongation at break than IRB7,facilitating it use as standard reference carbon black in synthetic rubber.standard reference carbon black in synthetic rubber.3.

29、3 IRB7#在SBR1500中物理性能随硫化时间的变化Variation of physical property in SBR1500 with vulcanizing time 图图1 SBR15001 SBR1500中拉伸强度变化图中拉伸强度变化图Figure 1 Variation of tensile strength in SBR1500Figure 1 Variation of tensile strength in SBR1500 注：-IRB7#。-IRC4#n图图2 SBR15002 SBR1500中中300300定伸应力变化图定伸应力变化图n Figure 2 Vari

30、ation of stress at 300%elongation in Figure 2 Variation of stress at 300%elongation in SBR1500SBR1500 注：-IRB7#。-IRC4#注：-IRB7#。-IRC4#3.4 IRB7#在BR9000中物理性能随硫化时间的变化Variation of physical property of IRB7#in BR9000 with vulcanizing time 注：-IRB7#。-IRC4#图图4 BR90004 BR9000中拉伸强度变化图中拉伸强度变化图Figure 4 Variation

31、of tensile strength in BR9000Figure 4 Variation of tensile strength in BR9000注：-IRB7#。-IRC4#图图5 BR90005 BR9000中中300300定伸应力变化图定伸应力变化图 Figure 5 Variation of stress at 300%elongation in BR9000Figure 5 Variation of stress at 300%elongation in BR9000图图6 BR90006 BR9000中拉断伸长率图中拉断伸长率图Figure 6 Elongation at

32、break in BR9000Figure 6 Elongation at break in BR9000 注：-IRB7#。-IRC4#n从图从图1 1图图6 6中可以看出，由于硫化时间的增加，标准参比炭黑中可以看出，由于硫化时间的增加，标准参比炭黑IRB7#IRB7#和和IRC4#IRC4#在合成橡胶中的变化为在合成橡胶中的变化为:n300300定伸应力和拉伸强度强度增加，定伸应力和拉伸强度强度增加，n拉断伸长率下降。拉断伸长率下降。4.不同品种ZnO对SBR1500橡胶物理机械性能的影响Impact of different ZnO on physical and mechanical

33、properties of SBR1500 试验用两种试验用两种ZnO:ZnO:Two ZnO in test Two ZnO in test 橡胶专用的橡胶专用的ZnOZnO和分析纯和分析纯ZnOZnO。试验目的：试验目的：Test purpose Test purpose 研究两种研究两种ZnOZnO对橡胶物理机械性能的影响。对橡胶物理机械性能的影响。试验材料：试验材料：Test materials Test materials SBR1500 SBR1500、IRB7#IRB7#和和IRC4#IRC4#。试验标准：试验标准：Test Standard Test Standard ISO2

34、322 ISO2322：1996 1996。表表5 5 橡胶专用橡胶专用ZnOZnO和分析纯和分析纯ZnOZnO对对IRB7#IRB7#填充填充SBR1500SBR1500物理机械性能的影响物理机械性能的影响Table 5 Impact of special ZnO for rubber and analytical reagent ZnO Table 5 Impact of special ZnO for rubber and analytical reagent ZnO on physical and mechanical properties of IRB7#-filled SBR150

35、0on physical and mechanical properties of IRB7#-filled SBR1500测试项目测试项目Test itemTest item 拉伸强度拉伸强度,MPa,MPa Tensile strengthTensile strength拉断伸长率拉断伸长率,%,%Elongation at breakElongation at break300300定伸定伸,MPa,MPa Stress at 300%Stress at 300%硫化时间硫化时间min time25min35min50min25min35min50min25min35min50min橡胶

36、专用橡胶专用ZnOZnO rubberrubber平平均均值值29.230.429.741138137320.921.822.4分析纯分析纯ZnO ZnO analyticalanalytical平平均均值值19.320.218.4210214194/差差 值值Difference-9.9-9.9-10.2-10.2-11.3-11.3-201-201-168-168-178-178/百分率，百分率，%Percentage-33.9-33.9-33.6-33.6-38.0-38.0-48.9-48.9-44.0-44.0-47.9-47.9/平均值Mean-35.2-35.2-46.9-46.

37、9/表表6 6 橡胶专用橡胶专用ZnOZnO和分析纯和分析纯ZnOZnO对对IRC4IRC4填充填充SBR1500SBR1500物理机械性能的影响物理机械性能的影响 Table 6 Impact of special ZnO for rubber and analytical reagent ZnOTable 6 Impact of special ZnO for rubber and analytical reagent ZnOon physical and mechanical properties of ORC4-filled SBR1500on physical and mechani

38、cal properties of ORC4-filled SBR1500测试项目测试项目Test itemTest item 拉伸强度拉伸强度,MPa,MPa Tensile strengthTensile strength拉断伸长率拉断伸长率,%,%Elongation at breakElongation at break300300定伸定伸,MPa,MPa Stress at 300%Stress at 300%硫化时间硫化时间min time25min35min50min25min35min50min25min35min50min橡胶专用橡胶专用ZnO rubber平平均均值值28.

39、428.929.043341239719.320.821.5分析纯分析纯ZnO analytical平平均均值值16.918.518.5198205200/差值差值Difference-11.5-10.4-10.5-235-207-197/百分率，百分率，%Percentage-40.5-36.0-36.2-54.3-50.2-49.6/平均值Mean-37.6-51.4/n从表从表5 5、表、表6 6可见，在合成胶中使用分析纯可见，在合成胶中使用分析纯ZnOZnO后，对于后，对于IRB7IRB7和和 IRC4IRC4都有下列都有下列现象：现象：After analytical reagent

40、 ZnO is used:After analytical reagent ZnO is used:1.1.胶料的拉断伸长率低于胶料的拉断伸长率低于300300。Elongation at break of compound is less than 300%.Elongation at break of compound is less than 300%.2.2.胶料的物理机械性能下降胶料的物理机械性能下降40%40%左右。左右。Physical and mechanical properties drop by around 40%.Physical and mechanical pro

41、perties drop by around 40%.n原因分析原因分析:Analysis Analysis 1.1.橡胶专用橡胶专用ZnOZnO的颗粒细小呈球状的颗粒细小呈球状,有较高的活性有较高的活性,有良好的分散性与吸有良好的分散性与吸附性，故而能促进橡胶的硫化过程附性，故而能促进橡胶的硫化过程,使胶料达到应有的物理机械性能。使胶料达到应有的物理机械性能。Because special rubber for ZnO is fine and spherical and Because special rubber for ZnO is fine and spherical and poss

42、esses good dispersion and adsorption.possesses good dispersion and adsorption.2.2.分析纯是指化学纯度高，对于橡胶无活性，其形态使其在胶料中不分析纯是指化学纯度高，对于橡胶无活性，其形态使其在胶料中不易分散。故会影响到胶料的物理机械性能。易分散。故会影响到胶料的物理机械性能。Analytical reagent is the reagent with high chemical purity.Analytical reagent is the reagent with high chemical purity.n结

43、结 论：论：Conclusions Conclusions 在合成橡胶质量检验中，应采用橡胶专用在合成橡胶质量检验中，应采用橡胶专用ZnOZnO，不宜使用分析纯，不宜使用分析纯ZnOZnO。As a result,special rubber for ZnO should be used rather than As a result,special rubber for ZnO should be used rather than analytical reagent ZnO in quality inspection of synthetic analytical reagent ZnO

44、in quality inspection of synthetic rubber.rubber.5.结结 论论 Conclusionsn1.IRB7#1.IRB7#和和IRC4#IRC4#的化学基本性能测试值相近，都具有较高的稳定性，的化学基本性能测试值相近，都具有较高的稳定性，都适合做标准参比炭黑使用。都适合做标准参比炭黑使用。Test value for basic chemical properties of IRB7#and Test value for basic chemical properties of IRB7#and IRC4#is similar.Both are hi

45、ghly stable and suitable to be IRC4#is similar.Both are highly stable and suitable to be used as standard reference carbon black.used as standard reference carbon black.n2.IRB7#2.IRB7#和和IRC4#IRC4#在在SBR1500SBR1500、BR9000BR9000和和NRNR中的测试值相近，都具有较中的测试值相近，都具有较高的稳定性，都适合在合成胶中作质量鉴定用标准参比炭黑。高的稳定性，都适合在合成胶中作质量鉴

46、定用标准参比炭黑。Test value of IRB7#Test value of IRB7#和和IRC4#in SBR1500,BR9000 and NR is IRC4#in SBR1500,BR9000 and NR is similar.Both are highly stable and suitable to be used as similar.Both are highly stable and suitable to be used as standard reference carbon black in quality evaluation of standard ref

47、erence carbon black in quality evaluation of synthetic rubber.synthetic rubber.n3.3.在同等试验条件下，在同等试验条件下，IRC4#IRC4#填充的胶料填充的胶料300%300%定伸应力略低于定伸应力略低于IRB7#IRB7#，而拉断伸长率优于，而拉断伸长率优于IRB7#IRB7#，有利于在合成橡胶中作标准参比，有利于在合成橡胶中作标准参比炭黑使用。炭黑使用。Under the same experimental condition,filler in IRC4#Under the same experiment

48、al condition,filler in IRC4#has slightly lower stress at 300%elongation and better has slightly lower stress at 300%elongation and better elongation at break than IRB7,facilitating it use as elongation at break than IRB7,facilitating it use as standard reference carbon black in synthetic rubber.stan

49、dard reference carbon black in synthetic rubber.n4.4.在合成橡胶质量检验中，应采用橡胶专用在合成橡胶质量检验中，应采用橡胶专用ZnOZnO，不宜使用分析纯，不宜使用分析纯ZnOZnO。In test of physical and mechanical properties of rubber,In test of physical and mechanical properties of rubber,special rubber for ZnO should be used instead of special rubber for ZnO should be used instead of analytical reagent ZnO.analytical reagent ZnO.