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砂磨机对高固体分飞机蒙皮涂料的影响
添加时间:2017-03-08

砂磨机对高固体分飞机蒙皮涂料的影响


摘要:大富翁棋牌游戏以高固体分飞机蒙皮涂料为研究对象,讨论了异氰酸酯类型、-NCO/-OH摩尔比、类型、颜基比、环保型催干剂和助剂对涂料性能的影响,并通过助剂改善高固体分飞机蒙皮涂料的施工性。所研制的高固体分飞机蒙皮涂料满足波音材料规范的技术要求,是一种符合环保发展趋势,且性能优良的飞机保护和装饰涂料。

    关键词:大富翁棋牌游戏高固体分涂料;飞机蒙皮涂料;波音材料规范

    0引言

大富翁棋牌游戏    HUANJINGYOUHAOXINGHANGKONGTULIAOZHUYAOYOU3DALEI:BUHANQIAN、GEDENGZHONGJINSHUDETULIAO,GAOGUTIFENHUODIVOCTULIAO(VOCHANLIANG≤420g/L),YIJI。GUOWAIHUANJINGYOUHAOXINGHANGKONGTULIAODEYANJIUSHIYU20SHIJI60NIANDAI,MUQIANYIJINGDADAOLEZAIBOYIN、KONGKEDENGDAXINGFEIJIZHONGGUANGFANYINGYONGDECHENGDU。LIRUBOYIN737、747、757、767XILIEFEIJIDEJIYIJIJISHENWAIBIAOMIANDUOCHUSHIYONGLEGAOGUTIFENDEBMS10-60TypeⅡBAISEMIANQI,QIVOCHANLIANG≤420g/L。YUZHIPEITAODEHUANGSEDIQIBMS10-79TypeⅢClassD,VOCHANLIANG≤350g/L,JUNDADAOLEGAOGUTIFENTULIAODEYAOQIU。MUQIANSHIJIESHANGZUIDADEFEIJIA380JISHENHEWEIYICAIYONGLEPPGGONGSISHENGCHANDEDesothaneHSCA8000GAOGUTIFENCIQI。GAICIQIDETIJIGUTIFENWEI55%,YUANGAOYUPUTONGCIQI30%DETIJIGUTIFEN。CHUCIZHIWAI,BOYIN7×7XILIESHIYONGDESHIAkzoNobelGONGSISHENGCHANDEQINGZHIWUGEAVIOXCFDIQIHEAeroflexROUXINGJUANZHICIQI。ZAIGUOWAI,GAOGUTIFENTULIAOZAIDAXINGKEJISHANGDEYINGYONGYIFEICHANGPUBIAN。BENWENXUANZEJUZHIJUANZHITULIAOZUOWEIYANJIUDUIXIANG,YIBOYINGONGSIDEXIANJINHANGKONGCAILIAOGUIFANZUOWEIYANFAYIJU,YANZHIGAOGUTIFENFEIJIMENGPITULIAO。

    1实验部分

    1.1YUANCAILIAO

    JUZHISHUZHI,YIQINGSUANZHIGUHUAJI,TAIBAIFEN、GEZHONGRONGJIYIJIZHUJI。

    1.2PEIFANGJISHENGCHANGONGYI

大富翁棋牌游戏    1.2.1JIBENPEIFANG

    FEIJIMENGPITULIAOJIBENPEIFANGJIANBIAO1。

表1 飞机蒙皮涂料基本配方

大富翁棋牌游戏BIAO1 FEIJIMENGPITULIAOJIBENPEIFANG

    1.2.2SHENGCHANGONGYI

大富翁棋牌游戏    (1)ANZHAOPEIFANGZAIGANJINGDIAOQIGANGNEI,FENBIETOURUJUZHISHUZHIJIHUNHERONGJI;QIDONGJIAOBANQI,DISUJIAOBANXIA,FENBIEJIARUTAIBAIFENJIZHUJI,GAOSUJIAOBAN30minHOU,TINGZHIJIAOBAN,QIDONGJINXINGYANMO,XIDUDADAO10μmYIXIASHI,YONG200MUJUANSIBUGUOLV,CHULIAO。

大富翁棋牌游戏    (2)JIANGSHANGSHUSUODEDESEQILIAOHEYIQINGSUANZHIGUHUAJIYI2∶1DEBILIHUNHE,JIZHIDEGAOGUTIFENFEIJIMENGPITULIAO。

    1.3XINGNENGCESHI

    GAOGUTIFENFEIJIMENGPITULIAODEXINGNENGCESHIJIEGUOJIANBIAO2。

    2结果和讨论

大富翁棋牌游戏    BENWENSUOYANZHIDEGAOGUTIFENFEIJIMENGPITULIAOSHISHUANGZUFENJUANZHILEIXING,QIZHONGSHUZHIJILIAOWEIZIZHUHECHENG,XIAMIANZHONGDIANTAOLUNGUHUAJI、YANLIAOYIJICUIHUAJIDEXUANZE。

表2 高固体分飞机蒙皮涂料性能测试结果

表2 高固体分飞机蒙皮涂料性能测试结果
2.1多异氰酸酯预聚物固化剂类型的影响

    CHANGYONGDEDUOYIQINGSUANZHIYUJUWUGUHUAJIWEITDI(JIABENERYIQINGSUANZHI)、HDI(LIUYAJIAJIERYIQINGSUANZHI)SUOERNIAODUOYIQINGSUANZHI、HDISANJUTIDUOYIQINGSUANZHIYIJIIPDI(YIFOERTONGERYIQINGSUANZHI)SANJUTIDUOYIQINGSUANZHI,QIJUTIJIEGOUSHIJIANTU1。

图1 各种异氰酸酯的结构式

TU1 GEZHONGYIQINGSUANZHIDEJIEGOUSHI

    XUANYONGDUOYIQINGSUANZHIYUJUWUL75(TDIJIACHENGWU),N75(HDISUOERNIAODUOYIQINGSUANZHI)YIJIN3390(HDISANJUTIDUOYIQINGSUANZHI)YUZIZHISHUZHIZHICHENGQINGQI,JINXINGXINGNENGCESHI。TU2WEIBUTONGDUOYIQINGSUANZHIYUJUWUGUHUAJIDUIQIMONAIHOUXINGDEYINGXIANG;BIAO3WEIDUOYIQINGSUANZHIYUJUWUGUHUAJIDEZHONGLEIDUIQIMONAIYEYAYOUXINGHEKANGCHONGJIXINGDEYINGXIANG。CONGTU2KEZHI:HDIGUHUAJISUOPEIZHIQINGQIDENAIHOUXINGZUIJIA。ZHEISHIYINWEITDIJIEGOUZHONGDEBENHUAN(JIANTU1)JUYOUGONGEXIAOYING,YINCIANZHIJIANYANGHUADUANLIEXINGCHENGOUDANJIEGOU,DAOZHIQIMONAIHOUXINGCHA。SUIRANHDIYEYOUXIANGTONGDEANZHIJIANJIEGOU,DANQIDUANLIANSUOSHENGCHENGDEANBUSHIZHIJIEJIEZAIBENHUANSHANG,ERBEIPANGBIANDEJIAJIGEDUAN(JIANTU1),ZHEIYANGJIUNANYIXINGCHENGOUDANHUOKUNSHIJIEGOU,YINCIXIANGDUITDIJUYOUGENGYOULIANGDENAIHOUXING。CIWAI,CONGBIAO3KEZHI:TDIGUHUAJISUOPEIZHIQIMODEKANGCHONGJIXINGZUICHA,ZHEISHIYOUYUTDIZHONGDEGANGXINGBENHUANJIEGOUDAOZHIQIMODEROURENXINGXIANGDUIJIAOCHA。

图2 不同异氰酸酯预聚物对漆膜耐候性的影响

TU2 BUTONGYIQINGSUANZHIYUJUWUDUIQIMONAIHOUXINGDEYINGXIANG

表3 多异氰酸酯预聚物的种类对漆膜性能的影响

BIAO3 DUOYIQINGSUANZHIYUJUWUDEZHONGLEIDUIQIMOXINGNENGDEYINGXIANG

大富翁棋牌游戏    CIWAI,HDISANJUTIDEHUANZHUANGJIEGOUSHANGMEIYOUHUOPOQINGYUANZI,BUHUIXINGCHENGFENZINEIHUOFENZIJIANQINGJIAN,YINERCHANWUNIANDUDI,YIZHICHENGGAOGUTIFENTULIAO;ERSUOERNIAOFENZIJIANHANYOUQINGJIAN,HUXIANGXIYIN,ZHANGQIZHUCUNRONGYISHINIANDUZENGGAO。BENWENSUOYANJIUDUIXIANGWEIGAOGUTIFENFEIJIMENGPITULIAO,YINCIZUIHOUQUEDINGSHIYONGHDISANJUTI(N3390)ZUOWEIGUHUAJI。

大富翁棋牌游戏    2.2-NCO/-OHMOERBIDEYINGXIANG

    GAOGUTIFENTULIAOZHONGDEJUHEWUXIANGDUIFENZIZHILIANGJIAODI,JIAOLIANCHENGMOXUYAOGENGDUODEJITUANCANYUFANYING,CAINENGDADAOYUQIDEXIANGDUIFENZIZHILIANG。-NCO/-OHDEBILIYINGXIANGTUCENGDEJIAOLIANMIDU,TUCENGJIAOLIANMIDUGUOGAOHUOGUODI,DOUJIANGBULIYUFENZILIANDEKUOSAN,YINCI,XUYAOSHEJIHESHIDE-NCO/-OHMOERBILAIMANZUGAOGUTIFENFEIJIMENGPITULIAOSUOYAODADAODEXINGNENG。ANZHAO-NCO/-OHBUTONGBILIPEIQI,ZHICHENGYANGBAN,JIANCEQIMOXINGNENG,JIEGUORUBIAO4SUOSHI。

表4 -NCO/-OH摩尔比对漆膜性能的影响

BIAO4 -NCO/-OHMOERBIDUIQIMOXINGNENGDEYINGXIANG

    由表4可见:随着-NCO/-OH摩尔比增大,漆膜的抗冲击性逐步下降,但是其耐液压油性却逐步上升,漆膜的硬度也随之增大。这是因为:随着-NCO/-OH摩尔比的增大,漆膜中生成的硬段——氨基甲酸酯基也随之增加,不但如此,同时它的氢键含量也随之增加,这样既提高了漆膜的交联密度,又增大了漆膜的硬度。除此之外,因为未反应的-NCO基团数量不断增加,-NCO会与其他含活泼H的基团(例如空气中的水)反应,产生化学结合力,这些也会提高漆膜的耐化学品性。参考所要达到的波音技术指标要求,选择-NCO/-OH摩尔比为1.1~1.15。
2.3催化剂的影响

大富翁棋牌游戏    JUANZHITULIAOSUOYONGDECUIHUAJIBUJINYINGXIANGQIMODEGUHUASUDU,ERQIEDUIQIMODEXINGNENGYEYOUYIDINGYINGXIANG。MUQIANCHANGYONGDECUIHUAJIWEIYOUJIANLEI、YOUJIXILEIHEYOUJIJINSHUYANLEI,ERYOUJIXILEICUIHUAJIYOUYUTADEDUXING,ZAIOUZHOUYIBEILIEWEIJINYONGCHANPIN,YINCIXUYAOYONGFEIXILEICUIHUAJILAITIDAI。BIAO5LIECHULEDBTDL(ERYUEGUISUANERDINGXI)HEK-KATCUIHUAJI(BISUOSUANZHIYULVGEHEWU)DUITULIAOSHIYONGQI、BIAOGANSHIJIANYIJIQIANBIYINGDUDEYINGXIANG。

表5 不同类型催化剂对漆膜性能的影响

大富翁棋牌游戏BIAO5 BUTONGLEIXINGCUIHUAJIDUIQIMOXINGNENGDEYINGXIANG

大富翁棋牌游戏    RUBIAO5SUOSHI:SHIYONGK-KATCUIHUAJIZAIBIAOGANSUDUSHANGYUYOUJIXICUIHUAJIXIANGSI,DANSHIDADATIGAOLESHIYONGQI。ZHEISHIYINWEI:K-KATCUIHUAJIDEBIHUAHEWUBUFENYUXIHUAHEWUXIANGTONG,DUIYIQINGSUANZHIYUCHUNLEIDEFANYINGYOUTEBIEGAODEHUOXING,NENGJIANGDIYUSHUIFANYINGDEXUANZEXING,CUJIN-NCO/-OHFANYING,BIMIANFUFANYINGFASHENG,JIANSHAOCO2DESHENGCHENG,BINGTIGAOQIMOGANZAOSUDU;ERLVHUAHEWUBUFENQIDAOXIETONGXIAOGUO,KEYANZHANGTULIAODESHIYONGQI。YINCIZAIXIANGTONGCUIHUAJIDEYONGLIANGXIA,K-KATCUIHUAJISHIDEPEIFANGHESHENGCHANGENGLINGHUO,JIANGDINENGHAO。SUOYIXUANYONGK-KATZUOWEIGAOGUTIFENFEIJIMENGPITULIAODECUIHUAJI。TONGGUOSHIYAN,K-KATDEZUIJIAYONGLIANGWEI0.5%。

大富翁棋牌游戏    2.4YANLIAODEYINGXIANG

大富翁棋牌游戏    FEIJIMENGPITULIAOYAOQIUSUOYONGDEYANLIAOZAIHUWAINENGZHANGJIUBAOCHIXIANYANDESECAI,TONGCHANGXUANYONGGAONAIHOUXINGDEYANLIAO。YOUYUFEIJIMENGPITULIAOYIBAISEWEIZHU,GUDUITAIBAIFENZUOLEXUANZESHIYAN。

大富翁棋牌游戏    2.4.1TAIBAIFENZHONGLEIDEYINGXIANG

大富翁棋牌游戏    XINGTAIBAIFENJUYOUQIANGLIEDEXISHOUZIWAIGUANGDEGONGXIAO,KEYITIGAOTULIAODENAIHOUXING。YINCI,XUANYONGR706、R960、R-903ZHEI3ZHONGJINHONGSHIXINGTAIBAIFENJINXINGNAIHOUXINGSHIYAN。ZAIXIANGTONGDEYANJIBIXIA,QIMONAIHOUXINGCESHIJIEGUORUTU3SUOSHI。

图3 不同型号钛白粉对漆膜耐候性的影响

TU3 BUTONGXINGHAOTAIBAIFENDUIQIMONAIHOUXINGDEYINGXIANG

    由图3可见:R960在试验的初期与R706的性能相差不大,但随着时间的延长,R706的优越性就体现出来。这是因为TiO2的性质在很大程度上与其粒子的粒度密切相关。R706的粒度最小,它的表面包覆着三氧化二铝,Al2O3能在激发电子通过有缺陷的晶格时,重新成为电子和空穴结合的中心,减少了到达表面的电子和空穴的数目,并为羟基或过羟基的重新结合提供活性,提高了树脂体系对紫外线的吸收活性。此外,R706的有效成分TiO2的含量最高,最低含量达到93%,所以它比其他两者的反射效率要高,因此涂料耐候性更为优异,故选择杜邦公司的R-706钛白粉。
大富翁棋牌游戏2.4.2颜基比的影响

    ZAIGAOGUTIFENTULIAODEPEIFANGZUCHENGZHONG,YANJIBIFEICHANGZHONGYAO。BIAO6LIECHULEBUTONGYANJIBIDUIQIMOXINGNENGDEYINGXIANG,TIGAOTAIBAIFENDEHANLIANGKEYIYOUXIAOTIGAOTULIAODEZHEGAILV,DANSHIYOUYUYANLIAODEZENGJIA,ZENGJIALEQIMODENEIYINGLI,SHIQIMOBIANDEGENGJIAJIANYING,ZAOCHENGLEKANGCHONGJIXINGDEXIAJIANG。XUXUANZEHESHIDEYANJIBI,CAINENGQUDETULIAODEZHEGAILVHEKANGCHONGJIXINGZHIJIANDEPINGHENG。TONGGUOSHIYANJIEGUODEFENXI,GAOGUTIFENFEIJIMENGPITULIAODEYANJIBIYI1∶1.3~1.4WEIYI。

表6 不同颜基比对漆膜性能的影响

大富翁棋牌游戏BIAO6 BUTONGYANJIBIDUIQIMOXINGNENGDEYINGXIANG

    2.5ZHUJIDEYINGXIANG

大富翁棋牌游戏    GAOGUTIFENTULIAOJIAOCHANGGUIRONGJIXINGTULIAODEGUTIFENHANLIANGGAO,SHIGONGNIANDUYEXIANGDUIYAOGAO。YIBANQINGKUANGXIA,SHUZHIDEBIAOMIANZHANGLIGAOYURONGJIDEBIAOMIANZHANGLI,GAOGUTIFENTULIAOBIAOMIANZHANGLIJIAODA,SUOYIZAIQICHENGMOGUOCHENGZHONG,BIAOMIANRONGJIHUIFAHOU,YINSHUZHICHANSHENGDEBIAOMIANZHANGLITIDUYEJIAOCHANGGUIRONGJIXINGTULIAOGENGWEIMINGXIAN,HUISHISHIMOBUNENGCHONGFENLIUDONG,XINGCHENGLEISIJUPIZHUANGDEHENJI。CIWAI,JIYUTONGYANGDEYUANYIN,GAOGUTIFENTULIAODUIDICAIDERUNSHIXINGYEJIAOCHANGGUIRONGJIXINGTULIAOCHA,GENGYICHANSHENGSUOKONGQUEXIAN。ZONGSHANGSUOSHU,GAOGUTIFENFEIJIMENGPITULIAOXUYAOJIARUFANGSUOKONGJI、LIUPINGJIHEFANGLIUGUAJILAIGAISHANQISHIGONGXINGNENG。TONGGUOYIXILIESHIJIXIANCHANGDEPENTUHOU,XUANYONGBYK331、BYK358、BYK410ZUOWEIZHUYAOZHUJI。

    3结语

大富翁棋牌游戏    (1)YANJIULEGEZHONGDUOYIQINGSUANZHIYUJUWUGUHUAJIDUIQIMOXINGNENGDEYINGXIANG,QUEDINGLEYONGGAOGUHANLIANGDINIANDUDEN-3390ZUOWEIGUHUAJI,TONGSHIFENXILE-NCO/-OHDEMOERBIDUIGAOGUTIFENFEIJIMENGPITULIAOXINGNENGDEYINGXIANG,BINGQUEDINGLE-NCO/-OHDEMOERBIWEI1.1~1.15。(2)ZHEZHONGYANJIULEBUTONGLEIXINGTAIBAIFENDUIGAOGUTIFENFEIJIMENGPITULIAONAIHOUXINGDEYINGXIANG,BINGTONGGUOFENXIYANJIBIDUITULIAOKANGCHONGJIXINGHEZHEGAILVDEYINGXIANG,QUEDINGLEGAOGUTIFENFEIJIMENGPITULIAODEJIBENPEIFANG。(3)TONGGUOXUANYONGFEIXILEICUIHUAJI,JIEJUELEGAOGUTIFENFEIJIMENGPITULIAOZHONGYOUGUANCUIHUAJIDEHUANBAOWENTI。(4)FENXILEGAOGUTIFENFEIJIMENGPITULIAOZAISHIGONGZHONGDECHANGJIANWENTI,LIYONGFANGSUOKONGJI、LIUPINGJIHEFANGLIUGUAJIDUIQISHIGONGXINGJINXINGGAISHAN。(5)YIYANJIUJIEGUOWEIYIJUKAIFADEGAOGUTIFENFEIJIMENGPITULIAO,WANQUANMANZUBOYINCAILIAOGUIFANYAOQIU,SHIYIZHONGXINGNENGYOULIANGDEHUANJINGYOUHAOXINGTULIAO。

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