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1、天津大學(xué)碩士學(xué)位論文耐油、耐高溫及低壓縮永久變形丁腈橡膠配方研究姓名：董興凱申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：化學(xué)工藝指導(dǎo)教師：曹同玉2000.8.1耐油、耐離浸及低壓縮永久變彤丁膪橡膠配方研究摘要在本工作rh蘺先選定了五種丁膪橡膠，即N240S、N240S／N230S(1：1)、N230S、N230S／NBR3604(1：1)和NBR3604，鐘；為主體生膠進(jìn)行試驗(yàn)，在其它體系不變的情況下，分析了各項(xiàng)性能指標(biāo)(鄖氏硬度、拉{審強(qiáng)度、扯斷伸長率、壓縮永久變形、耐熱空氣老化性能、14標(biāo)準(zhǔn)油油浸指標(biāo)、34標(biāo)準(zhǔn)濁濁浸指標(biāo)等)隨丁‘膊橡膠丙
2、烯腈含量的變化關(guān)系，優(yōu)選出了N230S。確定了生膠牌號(hào)后又進(jìn)?步對(duì)丁腈橡膠硫化體系進(jìn)行了研究。著重研究了低硫高促體系和硫黃與DCP并髑體系，對(duì)這礴零申硫化體系的硫化橡膠分別測定了備頊盹能指標(biāo)隨各體系中參數(shù)的變化娥律，最終優(yōu)選出了琉黃與DCP并用r體系。黼定了硫化體系后又對(duì)補(bǔ)強(qiáng)體系進(jìn)行了磊開究。在高耐磨炭黑、t半補(bǔ)強(qiáng)炭黑、噴霧炭黑、稽法炭黑及通用炭黑五種炭黑中優(yōu)選出了噴霧炭黑。工作中主要?jiǎng)?丁腈橡膠的丙烯腈含量、硫化體系及補(bǔ)恤體系三個(gè)因素對(duì)丁艚橡膠性能灼影響進(jìn)行了探討，找到了提離”¨；。；橡膠耐油性及耐高溫性和降低壓縮永久變
3、形的確’效措施。淡㈨址廠、瑗憨的橡皎配方。j／關(guān)鍵詞：丁麟橡膠，耐油性，耐高溫性，壓縮永久變形，配方RecipeStudyofOilResistant，High—TemperatureResistantandLowCompressionSetButadiene—AcrylonitrileRubberAbstractInthepresentwork，firstofall，thefivekindsofbutadiene—acrylonitrileRubbers(NBR)，i．e．N240s，N240s／N230s(1：1)，N
4、230s，N230s椰R3604(1：1)andNBR3604，asunvulcanizedrubbermatrixeswereselectedfortesting．Theninthecaseoffixedmaterialsineachrecipe，therelationshipsbetweenthevariouspropertiesofthevulcanizedrubbers，suchasShorehardness，tensilestrength，eiongationatbreak，compressionset，resi
5、stancetothermalairandresistancestoStandardOil14and3。，andtheacrylonitriledosagesintheNBRswereanalyzedSothattheperfectunvulcanizedbutadiene—acrylonitrilerubberN230swasoptimized．AfterwardsthevulcanizersystemsforNBRswereinvestigated．Wefocussedonthesystemwithhigheracce
6、leratordosageandiowersulfurdosageandonthesystemincorporatingsulfurwithDCP．TheregularityofthepropertyvariationsalongwiththevariousparameterofvulcanizedNBRswascharacterizedrespectivelySOthatthecompositevulcanizationsystemofsulfurwithDCPwasselected．Finally，theeffects
7、ofvariousreinforcers，includinghighabrasionresistancecarbonblack，semi—reinforcingfurnaceb]ack，spl’ayedC&I’benblack，channelblackanduniversalblack，OFithepropertiesofthevulcanizedNIBRswellestudied．Asaresu]t，itprovesthatsprayedblackisoptima]．Ingeneral．inthepresentW01’k
8、theeffectsoftheacrylonitriledosages，vulcanizersandreinforcersonthepropertiesofvulcanizedNBRswerediscussed．TheefF[cientmethodsforimprovingoilresistancean
