WOMENTONGCHANGSHIYONGDEZHENKONGBAOZHUANGDAIDECAIZHIDOUZHIDAOTAYOUFANGCHAO，TOUQIXINGHAODETEDIAN，NEIMEWOMENZHENDELEJIEDETACAIZHIJUTISHIZENMEYANGDEXINGNENGNI?XIAMIAN，KUNMINGWUTUOBAOZHUANGJIUWEINIJIESHAOYIXIAZHENKONGBAOZHUANGDAIFUHEBAOZHUANGDAIZHUYAOYOUNAXIECAIZHI，RANGNIGENGSHENRUDELEJIEZHENKONGBAOZHUANGDAI。

　　ZHENKONGBAOZHUANGDAIZHUYAOCAIZHIYOUPE JUYIXI。JUYIXISHUZHISHIYOUYIXIDANTIJINGJIACHENGJUHEERCHENGDEGAOFENZIHUAHEWU，WEIWUCHOU、WUDU、RUBAISEDELAZHUANGGUTI，QIFENZIJIEGOUSHI：_E-CH2-CH2---n;DAFENZIWEIXIANXINGJIEGOU，JIANDANGUIZHENGQIEWUJIXING，ROUSHUNXINGHAO，YIYUJIEJING。JUYIXISULIAOSHIYOUPESHUZHIJIARUSHAOLIANGDERUNHUAJI、KANGYANGHUAJIDENGTIANJIAJIGOUCHENG。

　　1、聚乙烯的主要包装特性阻水阻湿性好，但阻气和阻有机蒸气的性能差。

　　JUYOULIANGHAODEHUAXUEWENDINGXING，CHANGWENXIAYUYIBANSUANJIANBUQIZUOYONG，DANNAIYOUXINGSHAOCHA;YOUYIDINGDEJIXIEKANGLAHEKANGSILIEQIANGDU，ROURENXINGHAO;NAIDIWENXINGHENHAO，NENGSHIYINGSHIPINDELENGDONGCHULI，DANNAIGAOWENXINGNENGCHA，YIBANBUNENGYONGYUGAOWENSHAJUNSHIPINDEBAOZHUANG;GUANGZEDU、TOUMINGDUBUGAO，YINSHUAXINGNENGCHA，YONGZUOWAIBAOZHUANGXUJINGDIANYUNCHULIHEBIAOMIANHUAXUECHULIGAISHANYINSHUAXINGNENG;JIAGONGCHENGXINGFANGBIAN，ZHIPINLINGHUODUOYANG，QIEREFENGXINGNENGHENHAO。PESHUZHIBENSHENWUDU，TIANJIAJILIANGJISHAO，YINCIBEIRENWEISHIYIZHONGANQUANXINGHENHAODEBAOZHUANGCAILIAO。

　　2、乙烯的主要品种、性能特点及应用

　　(1)GAOYADIMIDUJUYIXI(LDPE) JUYOUFENZHIJIAODUODEXIANXINGDAFENZIJIEGOU，JIEJINGDUJIAODI，MIDUYEDI，WEI0. 91～0. 94 g/cm3，YINCI，ZUQIZUYOUXINGCHA，JIXIEQIANGDUYEDI，DANYANSHENXING、KANGSILIEXINGHENAICHONGJIXINGHAO，TOUMINGDUJIAOGAO，REFENGXINGHEJIAGONGXINGNENGHAO。

　　LDPEZAIBAOZHUANGSHANGZHUYAOZHICHENGBOMO，YONGYUBAOZHUANGYAOQIUJIAODIDESHIPIN，YOUQISHIYOUFANGCHAOYAOQIUDEGANZAOSHIPIN。

　　LIYONGQITOUQIXINGHAODETEDIAN，KEYONGYUSHENGXIANGUOSHUDEBAOXIANBAOZHUANG，YEKEYONGYULENGDONGSHIPINBAOZHUANG，DANBUYIDANDUYONGYUYOUGEYANGYAOQIUDESHIPINBAOZHUANG;JINGLASHENCHULIHOUKEYONGYURESHOUSUOBAOZHUANG，YOUYUQIREFENGXING、WEISHENGANQUANXINGHAO，JIAGEBIANYI，CHANGZUOFUHECAILIAODEREFENGCENG，DALIANGYONGYUGELEISHIPINDEBAOZHUANG。