一、包裝材料的選擇
最早的包裝容器多半是用植物材料製成,如用葉、蘆lu葦wei和he草cao稈gan經jing過guo編bian織zhi而er成cheng,並bing設she計ji成cheng便bian於yu讓rang人ren們men攜xie帶dai的de形xing式shi。以yi後hou,人ren們men使shi用yong牲sheng畜chu運yun輸shu,包bao裝zhuang物wu的de尺chi寸cun也ye隨sui之zhi增zeng大da,使shi用yong的de包bao裝zhuang材cai料liao也ye趨qu於yu多duo樣yang化hua。
目前,我國水果采用的外包裝材料很多,主要可分為以下五種類型:
筐:用竹子、荊條等天然植物材料編的筐是我國的傳統包裝容器。這種材料的主要優點是便宜、輕便,就地取材,幾乎可以編成任意形狀和大小的容器。缺點是形狀不規則,往往不很堅實。因而不足以防止損傷的發生;尺寸較大,用人工裝禦易疲勞;形狀通常是上大下小,雖然能減少下層果實承受的壓力,但在運輸和貯藏中難以有交地堆碼。
木箱:木mu箱xiang比bi其qi他ta天tian然ran植zhi物wu材cai料liao製zhi成cheng的de容rong器qi要yao好hao,訂ding優you點dian是shi結jie實shi,可ke以yi製zhi作zuo成cheng各ge種zhong規gui格ge統tong一yi的de形xing狀zhuang,比bi其qi他ta材cai料liao防fang止zhi物wu理li損sun傷shang的de能neng力li要yao強qiang。但dan是shi,木mu箱xiang本ben身shen較jiao重zhong,操cao作zuo和he運yun輸shu比bi較jiao吃chi力li。
紙板箱:瓦楞紙板箱是西方技術的產物,它輕便、便宜,因而作為木箱的替代物,大量出現在水
guoliutonglingyu。zhibanxiangdelingyigeyoudianshitadewaiguangengguanghuabianyushiyongyinshuadebiaoqianhexuanchuanpin,zhibanxiangzuidadequedianshibunengzhongfushiyong,yijingshuijinshihuojiagongcufangjiurongyishoudaosunshang。
塑料箱:塑料箱可以用多種合成材料製成,但主要是由以下兩種材料製成的:較硬的高密度聚乙烯型、較(jiao)軟(ruan)的(de)低(di)密(mi)度(du)聚(ju)苯(ben)乙(yi)烯(xi)型(xing)。高(gao)密(mi)度(du)聚(ju)乙(yi)烯(xi)箱(xiang),結(jie)實(shi),強(qiang)度(du)高(gao),很(hen)容(rong)易(yi)經(jing)受(shou)得(de)起(qi)流(liu)通(tong)中(zhong)在(zai)一(yi)般(ban)情(qing)況(kuang)下(xia)所(suo)能(neng)遇(yu)到(dao)的(de)各(ge)種(zhong)壓(ya)力(li),並(bing)且(qie)能(neng)堆(dui)碼(ma)一(yi)定(ding)高(gao)度(du);同時,由於這種箱子能較容易地製造成統一的規格,因而能最大的利用貯藏空間;強(qiang)度(du)大(da),在(zai)設(she)計(ji)上(shang)有(you)較(jiao)大(da)的(de)靈(ling)活(huo)性(xing),還(hai)可(ke)以(yi)在(zai)箱(xiang)壁(bi)上(shang)增(zeng)加(jia)拉(la)手(shou)和(he)通(tong)風(feng)孔(kong)等(deng),而(er)不(bu)會(hui)削(xue)弱(ruo)仃(ding)子(zi)的(de)機(ji)械(xie)強(qiang)度(du)。此(ci)外(wai),易(yi)於(yu)清(qing)洗(xi),外(wai)表(biao)光(guang)滑(hua),可(ke)以(yi)製(zhi)成(cheng)多(duo)種(zhong)明(ming)亮(liang)的(de)顏(yan)色(se)。如(ru)果(guo)設(she)計(ji)時(shi)使(shi)箱(xiang)子(zi)能(neng)相(xiang)互(hu)套(tao)起(qi)來(lai),那(na)麼(me)空(kong)箱(xiang)子(zi)所(suo)占(zhan)空(kong)間(jian)就(jiu)隻(zhi)有(you)滿(man)箱(xiang)子(zi)的(de)三(san)分(fen)之(zhi)一(yi)左(zuo)右(you)或(huo)更(geng)少(shao)。
renmenrenweizhexiesuliaoxiangzaimanzuxinxianshuiguoshucailiutongyaoqiufangmianjuyoujiaolixiangdejishutexing,suoyizairenheyigebaozhuangkaifaxiangmuzhongdoubeidangzuochuantongbaozhuangrongqidetidaiwu。danshi,juyixicailiaohengui,zhiyouzainengyouxiaodizuzhihuishoubingshizhiduociliyongdeqingkuangxia,shiyongzhezhongxiangzizaijingjishangcaishikexingde。
jubenyixi,jijieshi,miduyoudi,zhongliangyeqing,gerexingnenghao,keyiyonglaizairichangqiwenxiayunsongyulengshangpin。ciwai,zhezhongcailiaopinghuanzhuangjidenenglihenhao。tadezhuyaoquedianshiruguoyongguodadetufali,huishizhipoliehuoyasui。tongshi,youyububianqingxi、初次使用會使表麵變形等原因,使這種材料製成的容器不能二次使用,造成使用成本過高。
yishangwuzhongbaozhuangcailiaozhuyaoshizhizuobaozhuangrongqi,yidikanglaiziwaijiedesunhai,shuyushangpinwaibaozhuang。zaibaozhuangrongqinei,gegeshangpinzhijianhaikenengzaochengxianghupengzhuanghuoshangpinyurongqipengzhuang,zhezhongyundongyehuigeichanpindailaiwulisunshang。zaibaozhuangrongqineijianeibaozhuang,keyifangzhizhezhongpengzhuangdailaidesunshang。yongyuneibaozhuangdecailiaozhuyaoyou:
植物材料:像(xiang)葉(ye)子(zi)這(zhe)類(lei)植(zhi)物(wu)材(cai)料(liao)是(shi)農(nong)村(cun)地(di)區(qu)最(zui)便(bian)宜(yi)的(de)內(nei)包(bao)裝(zhuang)。它(ta)們(men)主(zhu)要(yao)是(shi)用(yong)於(yu)襯(chen)墊(dian),在(zai)保(bao)護(hu)商(shang)品(pin)方(fang)麵(mian)十(shi)分(fen)有(you)效(xiao)。我(wo)國(guo)很(hen)多(duo)地(di)方(fang)用(yong)葉(ye)子(zi)做(zuo)為(wei)筐(kuang)裝(zhuang)商(shang)品(pin)的(de)內(nei)包(bao)裝(zhuang)。但(dan)是(shi),植(zhi)物(wu)材(cai)料(liao)是(shi)生(sheng)物(wu)組(zu)織(zhi),因(yin)而(er)就(jiu)要(yao)呼(hu)吸(xi),它(ta)們(men)的(de)呼(hu)吸(xi)能(neng)影(ying)響(xiang)商(shang)品(pin),提(ti)高(gao)包(bao)裝(zhuang)容(rong)器(qi)中(zhong)的(de)聚(ju)熱(re)程(cheng)度(du),擴(kuo)大(da)微(wei)生(sheng)物(wu)的(de)傳(chuan)染(ran)。有(you)時(shi),這(zhe)類(lei)植(zhi)物(wu)材(cai)料(liao)內(nei)包(bao)裝(zhuang)也(ye)有(you)損(sun)於(yu)商(shang)品(pin)的(de)外(wai)觀(guan)視(shi)覺(jiao)。
紙:zhizuoweineibaozhuangcailiaoyingyongdehenpubian,zuibianyideshijiubaozhi。zhiyuzhiwuyezisuoqidezuoyongjibenshiyiyangde,danzhichendianyiwaihaikeyongyubaozhuangshangpin。yuzhiwucailiaoxiangbi,zhizaibaohushangpinfangmianbuyidinggengyouxiao,keshitabuhuiyuchanpinfashengrenhebuhaodexianghuzuoyong,bingqiekeyijiaomingxiandigaijinshangpinzaishichangshangdewaiguanshijiao。
內包裝紙種類很多,有包紙、紙托盤、walengchabanbanzhideng。baozhikeyiyonglaibaohudangeshangpin,yekeyongzuocaihouhuaxuechulixiedaiti。zhituopanhechabankeyiyonglaifenlichanpindexingshuhuozuoweifenlirongqideewaichendian,chabanzhiyekeyizaibaozhuangrongqineizuochengzaohuoge,shimeigeshangpingetizhijianwanquangeli。
塑料:shiyongsuliaoneibaozhuangdefangfayuzhishiyiyangde,zhongleihenduo,tabizhibaozhuanggengxiyinren,bingqiezaikongzhishangpinshishuihehuxifangmianyouxianzhedeyoushi,danchengbenjiaogao。renmenyeyongrouruandepaohua,paomosuliaohuoxianweibiaosucengdengzuoneibaozhuang。
總zong之zhi,包bao裝zhuang物wu選xuan擇ze受shou到dao果guo蔬shu產chan品pin本ben身shen成cheng本ben的de限xian製zhi,要yao考kao慮lv產chan品pin價jia值zhi,包bao裝zhuang物wu成cheng本ben以yi及ji對dui保bao護hu產chan品pin質zhi量liang的de作zuo用yong,銷xiao售shou價jia格ge等deng因yin素su。用yong於yu水shui果guo蔬shu菜cai包bao裝zhuang最zui便bian宜yi的de材cai料liao是shi用yong土tu生sheng土tu長chang的de植zhi物wu材cai料liao做zuo成cheng的de筐kuang和he袋dai子zi。但dan實shi際ji情qing況kuang告gao訴su人ren閃shan,使shi用yong這zhe種zhong包bao裝zhuang,產chan品pin受shou到dao相xiang當dang程cheng度du的de物wu理li損sun傷shang。例li如ru,竹zhu筐kuang就jiu有you很hen多duo局ju限xian性xing,首shou先xian是shi體ti積ji較jiao大da,操cao作zuo中zhong很hen難nan輕qing拿na輕qing放fang;其qi次ci是shi裝zhuang載zai過guo多duo,使shi產chan品pin承cheng受shou很hen大da壓ya力li。此ci外wai,在zai運yun輸shu和he貯zhu藏zang中zhong不bu利li於yu堆dui碼ma,因yin而er,有you些xie專zhuan家jia主zhu張zhang這zhe種zhong材cai料liao做zuo包bao裝zhuang材cai料liao不bu適shi當dang,應ying該gai有you步bu驟zhou地di廢fei除chu這zhe種zhong包bao裝zhuang而er采cai用yong其qi他ta包bao裝zhuang材cai料liao。根gen據ju我wo國guo的de實shi際ji情qing況kuang,類lei似si竹zhu子zi這zhe種zhong天tian然ran成cheng本ben核he算suan低di,隻zhi要yao包bao裝zhuang容rong器qi製zhi做zuo的de小xiao一yi些xie,加jia蓋gai,並bing且qie適shi當dang地di改gai善shan操cao作zuo,竹zhu筐kuang類lei包bao裝zhuang也ye可ke以yi繼ji續xu使shi用yong。
二、包裝對產品質量的作用
包裝是用來保護產品,它從以下幾個方麵對產品起保護作用:
1、防止機械損傷
產品在流通過程遭受到的機械損傷可以歸結為四種不同的原因:擠壓、碰撞(摩擦)和切削。各種水果對述機械損傷的敏感性是不同的,因此在包裝容器和包裝方法的選擇應該考慮到這些差異。
包bao裝zhuang容rong器qi外wai部bu的de擠ji壓ya首shou先xian作zuo用yong於yu包bao裝zhuang容rong器qi,當dang包bao裝zhuang容rong器qi的de機ji械xie強qiang度du承cheng受shou不bu了le外wai界jie的de壓ya力li時shi就jiu會hui使shi商shang品pin受shou到dao擠ji壓ya。可ke以yi在zai包bao裝zhuang箱xiang內nei使shi用yong托tuo盤pan,蜂feng窩wo狀zhuang墊dian片pian等deng加jia強qiang包bao裝zhuang容rong器qi的de機ji械xie強qiang度du,有you時shi在zai包bao裝zhuang容rong器qi上shang加jia蓋gai,也ye可ke以yi加jia強qiang包bao裝zhuang容rong器qi本ben身shen對dui上shang部bu荷he載zai的de支zhi撐cheng能neng力li。實shi際ji上shang往wang往wang上shang是shi由you於yu外wai部bu環huan境jing的de影ying響xiang,包bao裝zhuang容rong器qi的de機ji械xie強qiang度du減jian弱ruo了le,造zao成cheng了le擠ji壓ya如ru在zai高gao濕shi度du環huan境jing的de空kong氣qi中zhong,在zai出chu現xian冷leng凝ning之zhi後hou,或huo是shi在zai被bei雨yu淋lin濕shi以yi後hou,普pu遍bian使shi用yong的de瓦wa楞leng纖xian維wei板ban箱xiang由you於yu吸xi潮chao而er迅xun速su失shi去qu強qiang度du。所suo以yi這zhe種zhong紙zhi板ban箱xiang在zai高gao濕shi度du冷leng藏zang中zhong使shi用yong不bu夠gou令ling人ren滿man意yi。前qian幾ji年nian商shang業ye部bu推tui廣guang鈣gai塑su箱xiang包bao裝zhuang水shui果guo,這zhe種zhong包bao裝zhuang箱xiang吸xi水shui率lv低di,克ke服fu了le紙zhi箱xiang吸xi潮chao的de缺que點dian,但dan是shi成cheng本ben較jiao高gao,並bing且qie在zai低di濕shi條tiao件jian下xia發fa脆cui,容rong易yi折zhe裂lie。
造(zao)成(cheng)碰(peng)撞(zhuang)的(de)原(yuan)因(yin)是(shi)由(you)於(yu)突(tu)然(ran)受(shou)力(li),如(ru)在(zai)裝(zhuang)卸(xie)中(zhong)野(ye)蠻(man)操(cao)作(zuo),在(zai)運(yun)輸(shu)中(zhong)包(bao)裝(zhuang)件(jian)跌(die)落(luo)或(huo)突(tu)然(ran)刹(sha)車(che)等(deng)。震(zhen)動(dong)在(zai)運(yun)輸(shu)中(zhong)是(shi)常(chang)有(you)的(de)事(shi),震(zhen)動(dong)的(de)損(sun)害(hai)在(zai)於(yu)引(yin)起(qi)磨(mo)損(sun),可(ke)以(yi)引(yin)起(qi)從(cong)輕(qing)度(du)擦(ca)傷(shang)表(biao)皮(pi)到(dao)擦(ca)掉(diao)部(bu)分(fen)果(guo)肉(rou)。所(suo)有(you)這(zhe)些(xie)由(you)於(yu)擦(ca)傷(shang)所(suo)造(zao)成(cheng)的(de)創(chuang)傷(shang)麵(mian)都(dou)會(hui)由(you)於(yu)受(shou)傷(shang)組(zu)織(zhi)中(zhong)的(de)鞣(rou)酸(suan)的(de)氧(yang)氣(qi)和(he)類(lei)似(si)物(wu)質(zhi)在(zai)空(kong)氣(qi)中(zhong)的(de)暴(bao)露(lu)而(er)產(chan)生(sheng)褐(he)變(bian),損(sun)害(hai)產(chan)品(pin)質(zhi)量(liang),特(te)別(bie)是(shi)外(wai)觀(guan)質(zhi)量(liang),更(geng)有(you)害(hai)的(de)是(shi),這(zhe)些(xie)創(chuang)傷(shang)麵(mian)是(shi)感(gan)染(ran)病(bing)害(hai)的(de)窗(chuang)口(kou),並(bing)使(shi)水(shui)果(guo)的(de)呼(hu)吸(xi)作(zuo)用(yong)增(zeng)強(qiang),從(cong)而(er)加(jia)速(su)變(bian)質(zhi)。
防止商品撞擊和震動注意兩個方麵:一yi方fang麵mian是shi各ge個ge商shang品pin之zhi間jian,以yi及ji產chan品pin與yu包bao裝zhuang容rong器qi之zhi間jian不bu應ying發fa生sheng相xiang對dui位wei移yi,以yi避bi免mian震zhen動dong損sun傷shang。另ling一yi方fang麵mian是shi包bao裝zhuang容rong器qi內nei應ying裝zhuang滿man,但dan不bu要yao過guo滿man,也ye不bu要yao裝zhuang得de太tai緊jin;否則,會使壓傷和碰傷增多。可將產品逐個包裹起來,逐個隔開;yekeyongfengehefencengdefangshibaozhuangguoshileichanpin,huozhepushangyixiekeyijianqingzhendongdechendianwu,danshizheyangzuonanmianyaozengdachengben,yinerbixukaolvshiyongzhexiebaozhuangsuonengjianshaodesunhaohezengjiadeshouyi,jinxingbijiaohouzaijuedingshifouxuyaoshiyongzheleibaozhuang。zongzhi,qingbanqingfangshijianshaowulisunshangdezuijiafangfa。
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