近年來,果蔬汁飲料得到迅速發展,包裝容器也多種多樣,主要有玻璃容器、金屬容器、塑料容器、紙基複合容器、塑料複合薄膜容器等。
玻璃是一種曆史悠久的包裝材料。玻璃容器具有造型靈活、美觀、多彩晶瑩的裝飾效果;化學穩定性高,阻隔性好,不透氣,易密封,安全無毒;原料豐富,價格低廉,可回收使用;生產自動化程度高等優點。但玻璃瓶笨重易碎,周轉運輸不便。
金jin屬shu容rong器qi主zhu要yao有you兩liang片pian罐guan和he三san片pian罐guan。三san片pian罐guan使shi用yong的de材cai料liao多duo為wei馬ma口kou鐵tie,兩liang片pian罐guan的de材cai料liao多duo為wei合he金jin。用yong於yu果guo蔬shu汁zhi飲yin料liao的de主zhu要yao是shi三san片pian罐guan。金jin屬shu容rong器qi有you諸zhu多duo優you點dian:有優良的阻隔性能,不僅能阻隔氣體,還可以阻隔光,這一特點使果蔬汁飲料有較長的貨架期;有優良的機械性能,主要表現在耐高溫,耐濕度變化,耐壓,耐蟲害;不易破損,攜帶方便;表麵裝飾性好,可以刺激消費;可以回爐再生循環使用。但金屬罐化學穩定性差,內塗料質量或工藝不過關,都會使果蔬汁飲料變色變味;經濟性也較差。
用於果蔬汁飲料包裝的塑料種類主要有:聚乙烯、聚氯乙烯、聚丙烯、聚酯、聚偏二氯乙烯等。聚酯(PET)cailiaoyouyujuyoucaizhiqing,wusetouming,qiangdugao,biaomianguangzeduhao,youleisibolidewaiguan,kesuxingqianghejixiexingnenghao,wuduwuweiwuchou,qimixinghao,chengxingshousuolvdi,pengzhangxishuxiao,cailiaofeiyongshizhongdengyoudian,guangfanyongyuguoshuzhiyinliaodebaozhuang。
紙zhi基ji複fu合he容rong器qi的de材cai料liao為wei紙zhi與yu塑su料liao薄bo膜mo,或huo加jia上shang鋁lv鉑bo的de多duo層ceng複fu合he軟ruan包bao裝zhuang材cai料liao。這zhe類lei材cai料liao具ju有you高gao阻zu隔ge性xing,高gao強qiang度du,良liang好hao的de熱re封feng性xing,低di溫wen保bao存cun保bao鮮xian性xing,重zhong量liang輕qing,節jie省sheng堆dui放fang空kong間jian,方fang便bian流liu通tong消xiao費fei等deng優you點dian。但dan其qi廢fei棄qi物wu處chu理li回hui收shou困kun難nan,易yi造zao成cheng環huan境jing汙wu染ran。
suliaofuhebomorongqidecailiaoweiliangcengyishangdezhongleixiangtonghuobutongdesuliaomonianhezaiyiqizhichengdefuhecailiao,kefuledanyicailiaodequedian,juyougaodufangchao,geyang,baoxiang,biguangdengxingneng。danqibaozhuangfeiqiwuduihuanjingsuozaochengdewuranzhiyuezheqiyingyong。
gezhongbaozhuangdougeyoutedian。baozhuangbutong,guoshuzhiyinliaodeshengchanxiaoshouguochengzhongyaozhuyideshixiangyebuyiyang。rutieguandeneitucengyidingyaoguoguan,fouzeguoshuzhizhongdesuanxingchengfenheguantifashengfanying,yingxiangchanpindeyansehefengwei,chucunguochengzhongyeyaobimiansuanxingwuzhiyuguanjiechu;PET瓶要避免在強光下照射,因為光會加速飲料中色素的變化。
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