在合成橡膠評(píng)定試驗(yàn)配方中采用炭黑和氧化鋅品種的研究

1、在合成橡膠評(píng)定試驗(yàn)配方中采用炭黑和氧化鋅品種的研究Study on Using Carbon Black and ZnO in Evaluation Experimental Formula of Synthetic Rubber鄧 毅、王定友、王 成、張銘霖、夏春山Deng Yi, Wang Ding you, Wang Cheng, Zhang Ming lin，Xia Chun shan中橡集團(tuán)炭黑工業(yè)研究設(shè)計(jì)院China Carbon Black Institute主要內(nèi)容 Main content 1、前 言 Introduction 2、實(shí) 驗(yàn) Experiments 3、結(jié)果與討

2、論 Results and discussions 4、結(jié) 論 Conclusions1、前 言 Introduction1. ASTM D1765 IRB7#、 IRB7#2. 中國(guó)研制IRC4#。 Chinese IRC4#A. 本文涉及兩個(gè)標(biāo)準(zhǔn)參比炭黑 Two standard reference carbon blackB. 三個(gè)標(biāo)準(zhǔn) Three standards1. ISO2322：1996丁苯膠(SBR) 乳液和溶液聚合型評(píng)定方法 ISO2322:1996 (Styrene-Butadiene Rubber (SBR) Emulsion-and solution-polymeri

3、zed types Evaluation procedures) 2. ISO 2476：1996順丁橡膠(BR) 溶液聚合型評(píng)定方法 ISO 2476:1996 (Butadiene Rubber Solution Polymerized Types- Evaluation Procedures) 3. ASTM D 3192-05炭黑在天然橡膠中的鑒定方法 ASTM D 3192-05(Test Methods for Carbon Black Evaluation in Natural Rubber)C.實(shí)驗(yàn)?zāi)康腜urpose of the experiment 1. 對(duì)比測(cè)試兩種標(biāo)準(zhǔn)參

4、比炭黑在丁苯膠(SBR)1500、順丁橡膠(BR)9000和天然橡膠NR中的物理機(jī)械性能。 To carry out comparison test on physical and mechanical properties of two kinds of reference carbon black in SBR1500、BR9000 and NR . 2. 研究橡膠專用ZnO和分析純ZnO在合成膠膠料中的作用 The function of different kinds of ZnO in synthetic rubber compound.D. 中國(guó)標(biāo)準(zhǔn)參比炭黑IRC4#的研制The

5、manufacture of chinese reference carbon black IRC4# 標(biāo)準(zhǔn)參比炭黑是對(duì)炭黑產(chǎn)品質(zhì)量和合成橡膠質(zhì)量進(jìn)行檢驗(yàn)時(shí)采用的標(biāo)準(zhǔn)物質(zhì)，當(dāng)前國(guó)際標(biāo)準(zhǔn)參比炭黑采用的是ASTM D1765 IRB7（以下簡(jiǎn)稱IRB7#）。為適應(yīng)國(guó)內(nèi)大量使用標(biāo)準(zhǔn)參比炭黑的需求，中國(guó)國(guó)家炭黑質(zhì)檢中心研制生產(chǎn)了中國(guó)標(biāo)準(zhǔn)參比炭黑，即GB/T 9578 標(biāo)準(zhǔn)參比炭黑4（以下簡(jiǎn)稱IRC4#）。2 實(shí)驗(yàn)Experiments2.1 實(shí)驗(yàn)設(shè)備 Experimental equipment 150煉膠機(jī)：廣東湛江橡塑機(jī)械廠生產(chǎn)；63噸平板硫化機(jī)：浙江湖州宏川橡塑機(jī)械廠生產(chǎn)；微機(jī)控制電子拉力試驗(yàn)機(jī)

6、：深圳市新三思材料檢測(cè)有限公司2.2 實(shí)驗(yàn)材料Experimental materials 標(biāo)準(zhǔn)參比炭黑IRB7從美國(guó)進(jìn)口; IRB7, ASTM reference carbon black is imported from USA IRC4#由國(guó)家炭黑質(zhì)量監(jiān)督檢驗(yàn)中心生產(chǎn); IRC4#, domestic standard reference carbon black is produced by National Carbon Black Quality Supervision andInspection Center 丁苯膠(SBR)1500為吉化公司生產(chǎn); (SBR)1500 is

7、produced by Jilin Branch of Pertrochina, 順丁橡膠(BR)9000為新疆獨(dú)山子公司生產(chǎn); (BR)9000 is produced by Xinjiang Dushanzi Co., Ltd天然膠為云南產(chǎn)1#煙片膠。 natural rubber is 1# smoke sheet rubber produced in Yunnan. 分析純ZnO采用成都金山化學(xué)試劑有限公司生產(chǎn)的產(chǎn)品（批號(hào)090412）。 Analytical reagent ZnO is produced by Chengdu Jinshan Chemical Reagent Pla

8、nt (Batch No.090412).其余試驗(yàn)用一般性材料均為市售商品。 Other experimental materials are generally commercially available.2.3 實(shí)驗(yàn)配方 Experimental formula 實(shí)驗(yàn)時(shí)，采用三個(gè)配方:ISO 2322：1996國(guó)際標(biāo)準(zhǔn)丁苯膠(SBR) 乳液和溶液聚合型評(píng)定方法， ISO 2322：1996 BR9000采用國(guó)際標(biāo)準(zhǔn)ISO 2476：1996順丁橡膠(BR) 溶液聚合型評(píng)定方法， ISO 2476：1996 ASTM D 3192-05炭黑在天然橡膠中的鑒定方法。 ASTM D 3192-

9、052.4 測(cè)試項(xiàng)目Test items 測(cè)試IRB7、IRC4#在SBR1500、BR9000和NR中物理機(jī)械性能主要包括： 拉伸強(qiáng)度、300%定伸應(yīng)力、拉斷伸長(zhǎng)率。測(cè)試樣品時(shí)采用6平行試驗(yàn)法. The Physical and mechanical properties of IRB7 and IRC4# mainly include tensile strength, stress at 300% elongation and break at elongation in SBR-1500,BR-9000 and natural rubber are tested. Test sampl

10、es are 6 parallel tests. 由于有部分實(shí)驗(yàn)室在進(jìn)行合成膠物理機(jī)械性能測(cè)試時(shí)，未使用橡膠專用ZnO，而是使用分析純ZnO，本次實(shí)驗(yàn)同時(shí)研究了這兩種ZnO對(duì)橡膠物理機(jī)械性能的影響。 analytical reagent ZnO and special ZnO for rubber 2.5 不同品種ZnO對(duì)橡膠物理機(jī)械性能的影響Study on impact of different ZnO on physical and mechanical properties of rubber3. 結(jié)果與討論Results and discussions 3.1 IRB7和IRC4測(cè)試

11、結(jié)果Test results of of IRB7 and IRC4 表1 IRB7和IRC4化學(xué)基本性質(zhì)的測(cè)試結(jié)果 Table 1 Test results of Chemistry basic properties of IRB7 and IRC4 測(cè)試項(xiàng)目Test item 吸碘值Iodine adsorptionDBPCDBPCTAB著色強(qiáng)度TintNSASTSA（g/kg）(10-5m3/kg)(10-5m3/kg)(103m2/kg)(%)(103m2/kg)(103m2/kg)平均值A(chǔ)veragevalueIRB780.73 102.38 87.97 82.22 107.73 7

12、9.0273.08IRC480.53102.6285.4577.00100.3376.5071.73IRB7IRC40.2-0.242.525.227.42.521.35表2 IRB7和IRC4在SBR1500中的測(cè)試值 Table 2 The test value of IRB7 and IRC4 in SBR1500 測(cè)試項(xiàng)目Test item 拉伸強(qiáng)度 Tensile strength, 拉斷伸長(zhǎng)率Elongation at break, 300%定伸應(yīng)力Stress at 300% elongation, (MPa)(%)(,MPa)硫化時(shí)間min Vulcanizing time25

13、3550253550253550平均值A(chǔ)veragevalue IRB729.629.430.14293953912021.622.4IRC428.9729.1329.3544441640219.0520.5221.35IRB7IRC40.630.270.75-15-21-110.951.081.05測(cè)試項(xiàng)目Test item 拉伸強(qiáng)度Tensile strength,拉斷伸長(zhǎng)率Elongation at break, 300%定伸應(yīng)力Stress at 300% elongation, (MPa)(%)(,MPa)硫化時(shí)間min Vulcanizing time253550253550253

14、550 平均值A(chǔ)veragevalue IRB716.5315.4515.6843940440110.1510.5210.38IRC415.6815.0715.2342940241110.0010.3310.05IRB7IRC40.850.380.45102-100.150.190.33表3 IRB7和IRC4在BR9000中的測(cè)試值 Table 3 The test value of IRB7 and IRC4 in BR9000表4 IRB7和IRC4在NR中的測(cè)試結(jié)果Table 4 The test value of IRB7 and IRC4 in NR測(cè)試項(xiàng)目Test item 拉伸

15、強(qiáng)度Tensile strength,( MPa)拉斷伸長(zhǎng)率Elongation atbreak,(%)300%定伸應(yīng)力Stress at 300% elongation,(MPa )硫化時(shí)間min Vulcanizing time303030平均值A(chǔ)veragevalue IRB725.3 434 16.9 IRC4 24.6743316.75IRB7IRC40.6310.15標(biāo)準(zhǔn)參比炭黑IRB7#和IRC4#測(cè)試值比較Standard reference black IRB7 # and IRC4 # Comparison 1. IRB7#和IRC4#的化學(xué)基本性能測(cè)試值相近，都具有較高的

16、穩(wěn)定性，都適合做標(biāo)準(zhǔn)參比炭黑使用。 Test value for basic chemical properties of IRB7# and IRC4# is similar. Both are highly stable and suitable to be used as standard reference carbon black.2. IRB7#和IRC4#在SBR1500、 BR9000和NR中的測(cè)試值相近，都具有較高的穩(wěn)定性，都適合在合成膠中作質(zhì)量鑒定用標(biāo)準(zhǔn)參比炭黑。 Test value of IRB7#和IRC4# in SBR1500,BR9000 and NR is s

17、imilar. Both are highly stable and suitable to be used as standard reference carbon black in quality evaluation of synthetic rubber. 3.在同等試驗(yàn)條件下，IRC4#填充的膠料300%定伸應(yīng)力略低于IRB7#，而拉斷伸長(zhǎng)率優(yōu)于IRB7#，有利于在合成橡膠中作標(biāo)準(zhǔn)參比炭黑使用。 Under the same experimental condition, filler in IRC4# has slightly lower stress at 300% elonga

18、tion and better elongation at break than IRB7, facilitating it use as standard reference carbon black in synthetic rubber.3.3 IRB7#在SBR1500中物理性能隨硫化時(shí)間的變化Variation of physical property in SBR1500 with vulcanizing time 圖1 SBR1500中拉伸強(qiáng)度變化圖Figure 1 Variation of tensile strength in SBR1500 注： -IRB7#。 -IRC4

19、#圖2 SBR1500中300定伸應(yīng)力變化圖 Figure 2 Variation of stress at 300% elongation in SBR1500 注： -IRB7#。 -IRC4#注： -IRB7#。 -IRC4#圖3 SBR1500中拉斷伸長(zhǎng)率圖Figure 3 Variation of elongation at break in SBR15003.4 IRB7#在BR9000中物理性能隨硫化時(shí)間的變化Variation of physical property of IRB7# in BR9000 with vulcanizing time 注： -IRB7#。 -IR

20、C4#圖4 BR9000中拉伸強(qiáng)度變化圖Figure 4 Variation of tensile strength in BR9000注： -IRB7#。 -IRC4#圖5 BR9000中300定伸應(yīng)力變化圖 Figure 5 Variation of stress at 300% elongation in BR9000圖6 BR9000中拉斷伸長(zhǎng)率圖Figure 6 Elongation at break in BR9000 注： -IRB7#。 -IRC4#從圖1圖6中可以看出，由于硫化時(shí)間的增加，標(biāo)準(zhǔn)參比炭黑IRB7#和IRC4#在合成橡膠中的變化為:300定伸應(yīng)力和拉伸強(qiáng)度強(qiáng)度增加

21、，拉斷伸長(zhǎng)率下降。3.5 變化規(guī)律Variation 4. 不同品種ZnO對(duì)SBR1500橡膠物理機(jī)械性能的影響Impact of different ZnO on physical and mechanical properties of SBR1500 試驗(yàn)用兩種ZnO: Two ZnO in test 橡膠專用的ZnO和分析純ZnO。試驗(yàn)?zāi)康模篢est purpose 研究?jī)煞NZnO對(duì)橡膠物理機(jī)械性能的影響。試驗(yàn)材料：Test materials SBR1500、 IRB7#和IRC4#。試驗(yàn)標(biāo)準(zhǔn)：Test Standard ISO2322 ：1996 。表5 橡膠專用ZnO和分析純Zn

22、O對(duì)IRB7#填充SBR1500物理機(jī)械性能的影響Table 5 Impact of special ZnO for rubber and analytical reagent ZnO on physical and mechanical properties of IRB7#-filled SBR1500測(cè)試項(xiàng)目Test item 拉伸強(qiáng)度, MPa Tensile strength拉斷伸長(zhǎng)率, % Elongation at break300定伸, MPa Stress at 300% 硫化時(shí)間min time25min35min50min25min35min50min25min35min

23、50min橡膠專用ZnO rubber平均值29.230.429.741138137320.921.822.4分析純ZnO analytical平均值19.320.218.4210214194/差 值Difference -9.9-10.2-11.3-201-168-178/百分率，%Percentage-33.9-33.6-38.0-48.9-44.0-47.9/平均值Mean-35.2-46.9/表6 橡膠專用ZnO和分析純ZnO對(duì)IRC4填充SBR1500物理機(jī)械性能的影響 Table 6 Impact of special ZnO for rubber and analytical r

24、eagent ZnOon physical and mechanical properties of ORC4-filled SBR1500測(cè)試項(xiàng)目Test item 拉伸強(qiáng)度, MPa Tensile strength拉斷伸長(zhǎng)率, % Elongation at break300定伸, MPa Stress at 300% 硫化時(shí)間min time25min35min50min25min35min50min25min35min50min橡膠專用ZnO rubber平均值28.428.929.043341239719.320.821.5分析純ZnO analytical平均值16.918.51

25、8.5198205200/差值Difference -11.5-10.4-10.5-235-207-197/百分率，%Percentage-40.5 -36.0 -36.2 -54.3 -50.2 -49.6 /平均值Mean-37.6-51.4/從表5、表6可見，在合成膠中使用分析純ZnO后，對(duì)于IRB7和 IRC4都有下列現(xiàn)象： After analytical reagent ZnO is used: 1. 膠料的拉斷伸長(zhǎng)率低于300。 Elongation at break of compound is less than 300% . 2. 膠料的物理機(jī)械性能下降40%左右。 Phy

26、sical and mechanical properties drop by around 40% .原因分析:Analysis 1.橡膠專用ZnO的顆粒細(xì)小呈球狀,有較高的活性,有良好的分散性與吸附性，故而能促進(jìn)橡膠的硫化過程,使膠料達(dá)到應(yīng)有的物理機(jī)械性能。 Because special rubber for ZnO is fine and spherical and possesses good dispersion and adsorption . 2. 分析純是指化學(xué)純度高，對(duì)于橡膠無活性，其形態(tài)使其在膠料中不易分散。故會(huì)影響到膠料的物理機(jī)械性能。 Analytical reagent is the reagent with high chemical purity .結(jié) 論：Conclusions 在合成橡膠質(zhì)量檢驗(yàn)中，應(yīng)采用橡膠專用ZnO，不宜使用分析純ZnO。 As a result, special rubber for ZnO should be used rather than analytical reagent ZnO in quality inspection of synthetic rubber. 5.結(jié) 論 Conclusions1. IRB7#和IRC4#的化學(xué)基本性能測(cè)試值相近，都具有較高的穩(wěn)定性，都適合做標(biāo)準(zhǔn)參比炭黑使