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聚乙烯瓶常用生产工艺及其特点

2019-06-27 17:32

高密度聚乙烯为白色粉末或颗粒状产品.无毒,无味,结晶度为80%~90%,软化点为125~l 35℃,使用温度可达100℃;硬度、拉伸强度和蠕变性优于低密度聚乙烯;耐磨性、电绝缘性、韧性及耐寒性较好;化学稳定性好。聚乙烯通常较多应用于药用塑料包装瓶,聚乙烯瓶的主要生产工艺有三种,分别是挤吹工艺,二步法注吹和一步法注吹。


500ml聚乙烯瓶

500ml聚乙烯瓶


JICHUIYOUCHENGZHONGKONGJICHUCHUISU。 JICHUJILIANXUJICHUKONGXINGUAN,YONGJIANDAO(RENGONG)HUOQIEGEZHUANGZHI(ZIDONG)QIECHENGXIAODUANHOUYIDAOJICHUIMOJUNEICHUIZHICHENGXING。YOUDIAN:SHEBEIJIANDAN、TOUZIXIAO,CHENGBENJIAGEDI。QUEDIAN:PINGKOUBUPING,MIFENGJIAOCHA。YUANLIAOTONGCHANGXUANYONGLDPE,ZUTOUXINGNENGYUANDIYUHDPE/PP,ZHUANGYAOBAOZHIZHUCUNQIDUAN。

2.ERBUFAZHUCHUIJI“ZHUSHE、CHUISU”YOUDULIDELIANGTAIJIQIFENKAIJINXING,SUCHENG“ERBUFA”。 

DIYIBU:YOUYITAIPUTONGZHUSUJIZHUSHECHENGXINGGUANPI,GUANPIDEPINGTOUBUFEN(PINGKOU、LUOWEN)YIJINGCHENGXING。

DIERBU:RENGONGJIANGGUANPIFANGZAIFENGWOZHUANGJIAREQIHUOZIDONGXUNHUANJIARECHUANSONGDAISHANGJIAREDIAOWEN,RANHOUYIDAOCHUIPINGJIYONGYASUOKONGQICHUIZHICHENGXING。 YOUDIAN:SHEBEIJIAOJIANDAN,TOUZIJIAOSHAO。PINGKOUJIAOPINGZHENG,MIFENGLIANGHAO。PINZHONGKAIFAKUAI,MOJUFEIYONGJIAODI,CHENGBENJIAGEZHONG、DI。 QUEDIAN:ZHUSHEGUANPIYUCHUISUCHENGXINGFENBUJINXING,YICHUANDIWURAN,JUNJIANNANBAOZHENG,CHANPINTONGYIXINGCHA,BUTAISHIYINGDAPILIANGSHENGCHAN。

3.YIBUFAZHUCHUIJI“ZHUSHE、CHUISU”ZAITONGYITAIJIQISHANGWANCHENG。BUTONGJIZHONGYOUFENWEISANGONGWEIHEERGONGWEI“ZHU-CHUI”。GONGWEI“ZHU-CHUI”ZHIPINGJISANGEGONGWEIYI120°JIAOCHENGDENGBIANSANJIAOXINGFENBU,DIYIGONGWEIWEIZHUSHECHENGXINGGONGWEI,DIERGONGWEIWEICHUISUCHENGXINGGONGWEI,DISANGONGWEIWEITUOPINGGONGWEI。SANGEGONGWEIKETONGSHIYUNXING,SHENGCHANXIAOLVGAO,ZHOUQIDUAN,ERQIEKEYUCHUANSONGDAILIANJIEZIDONGJISHUBAOZHUANG,ZHENZHENGSHIXIANYAOYONGSULIAOPINGSHENGCHANQUANGUOCHENGZHONGYURENSHOU“WUJIECHU”,QUEBAOCHANPINWEISHENGJIEJING。


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