Thaum yuav qe, nws feem ntau pom tias lub qe ntawv tais yog siv los tiv thaiv thaum ntim qe. Lub qe ntawv tais yog cov khoom ntim khoom ntim khoom. Nws cov ntaub ntawv raw yog ua los ntawm cov khoom pov tseg xws li bagasse, reed, xyoob, thiab straw. Lub pulp yog ib qho kev hloov zoo rau cov khoom siv ntoo. Nws tsis muaj teeb meem rau ib puag ncig, tuaj yeem degraded ib txwm, thiab tuaj yeem rov ua dua thiab rov siv dua.
Pulp molded ntawv tais yog ua los ntawm cov nroj tsuag fiber ntau pulp los yog cov khoom siv khib nyiab uas tuaj yeem rov ua dua tshiab thiab rov ua dua tshiab raws li cov khoom siv yooj yim. Nws yog tsim los ntawm cov cuab yeej tshwj xeeb thiab siv dav hauv cov khoom noj (tshuaj) cia, ntim hluav taws xob, cog thiab chaw zov me nyuam. , Cov cuab yeej siv kho mob, cov khoom siv tes ua tsis zoo thiab cov khoom tsis yooj yim liner ntim thiab lwm yam kev ua qias tuaj - thev naus laus zis -raws li ntsuab ib puag ncig tiv thaiv daim ntawv tais.
2. Nrog rau txoj kev loj hlob ntawm kev lag luam, ntau cov fluorine- muaj cov tshuaj tau nce mus rau hauv cov huab cua, ua rau muaj kev puas tsuaj loj ntawm cov ozone txheej uas tib neeg nyob. Ntau txhiab mais ntawm ozone txheej qhov tau tsim nyob rau hauv Antarctic thiab Arctic, ua rau kev puas tsuaj rau lub ntiaj teb ecological ib puag ncig. Txog qhov kawg no, United Nations Environmental Protection Agency tau teeb tsa lub rooj sib tham thoob ntiaj teb- thoob plaws ib puag ncig. Xyoo 1998, "Vienna Convention for the Protection of the Ozone Layer" thiab "Montreal Protocol on Substances that Deplete the Ozone Layer" tau dhau los, qhia meej meej tias cov teb chaws hauv ntiaj teb yuav tsum maj mam txo kev siv kom txog thaum cov tshuaj fluorine - muaj cov tshuaj uas ua rau cov txheej txheem ozone raug txwv tsis pub nkag mus.
3. Nyob rau hauv xyoo tas los no, cov khoom yas, yog ib qho ntawm peb cov khoom ntim loj, tshwj xeeb tshaj yog nthuav dav polystyrene (EPS) cov khoom, tau dhau los ua ntau qhov tsis zoo, thiab tau dhau los ua "dawb paug" uas txhua tus neeg ntxub. Cov pov tseg pov tseg ntawm cov ntim polystyrene ua npuas ncauj tau ua rau muaj kuab paug loj rau ib puag ncig. combustion rhuav tshem lub ntiaj teb atmospheric ozone txheej; pawg tsis tuaj yeem corroded, ua rau kev puas tsuaj rau cov qauv geological. Cov khoom siv yas ua npuas dej no tau ua rau muaj kev puas tsuaj loj rau lub ntiaj teb ib puag ncig. Hloov mus rau biodegradable ib puag ncig tus phooj ywg ntim cov ntaub ntawv, tshem tawm "dawb paug", thiab kev txhim kho tib neeg lub neej nyob ib puag ncig tau dhau los ua kev xav tau thoob ntiaj teb thiab hauv tsev.
4. Cov khoom siv rooj tog thiab cov khoom ntim khoom lag luam uas tsim los ntawm cov tshuab siv tshuab pulp yog cov khoom lag luam zoo ib puag ncig. Lawv siv cov nroj tsuag fibers lossis cov ntawv pov tseg ua cov khoom siv raw, thiab tsis muaj kuab paug rau hauv cov txheej txheem tsim khoom thiab siv cov txheej txheem. Ntxiv rau nws lub luag haujlwm zoo hauv kev hloov cov khoom siv yas pov tseg, molded pulp ntawv tais kuj tau siv dav hauv cov khoom lag luam ua ntim rau cov khoom siv hluav taws xob. Moulded pulp ntawv tais yog maj mam nkag mus rau hauv lub ntsiab ntawm kev ua lag luam. Tam sim no nws yog foamed yas. Cov khoom lag luam yog cov khoom siv hloov tau zoo, thiab kev lag luam pulp molded ntawv tais yog booming.
5. Yog vim li cas vim li cas lub pulp molded ntawv tais tau tsim sai heev thiab muaj kev cia siab zoo yog tias nws muaj qhov zoo ntawm kev ua tau zoo:
(1) Cov txheej txheem thev naus laus zis yog qhov yooj yim thiab siv tau, thiab tsis muaj kev ua qias tuaj hauv cov txheej txheem tsim khoom, uas ua tau raws li cov kev xav tau ntawm cov khoom siv huv. Tsis tas li ntawd, txhua tus txheej txheem ntawm nws cov kab ntau lawm, tshwj tsis yog tias kev tswj hwm kev tswj hwm tsis siv neeg yuav tsum tau ua haujlwm zoo ntawm cov neeg ua haujlwm, tus so yog tag nrho cov txuj ci thev naus laus zis, uas tuaj yeem ua tiav tom qab luv luv - lub sijhawm kev cob qhia, thiab qib ntawm thaj chaw ntawm nws cov cuab yeej siv siab heev, uas yog qhov zoo heev rau kev ua haujlwm zoo ntawm qhov project. Kev txhawb nqa, uas kuj yog ib qho yooj yim rau kev ceev nrooj ntawm kev tiv thaiv ib puag ncig zoo ntawm cov ntaub ntawv molded ntawv tais.
(2) Ntau qhov chaw ntawm raw khoom thiab nqi. Nws yog tsuas yog ua los ntawm cov ntawv pov tseg lossis txhua xyoo tshuaj ntsuab fiber ntau. Cov khoom siv raw tuaj yeem hloov kho rau cov xwm txheej hauv zos.
(3) Cov khoom muaj lub zog siab, zoo plasticity thiab cushioning kev ua tau zoo.
(4) Qhov hnyav yog lub teeb, tus nqi rov ua dua yog tsawg, thiab nws tuaj yeem siv rov ua dua.
(5) Kev tiv thaiv zoo, sib hloov pauv thiab caij nplooj ntoos hlav- kev ua haujlwm thauj khoom.
(6) Los ntawm kev tsim khoom thiab siv cov khoom pov tseg, tsis muaj kuab paug rau ib puag ncig. Kev siv dej hauv cov txheej txheem tsim khoom me me, tsis muaj dej khib nyiab tawm, thiab kev ua qias tuaj ib puag ncig raug txo.
(7) Zoo huab cua permeability, uas muaj qhov tshwj xeeb zoo rau kev ntim khoom tshiab.
(8) Pulp molded cov khoom muaj cov dej zoo nqus, hydrophobicity thiab rwb thaiv tsev kub. Yog tias cov khoom siv tshwj xeeb ntxiv rau hauv cov txheej txheem tsim khoom, nws tseem yuav muaj cov khoom tshwj xeeb xws li dej tsis kam, roj tsis kam, thiab kub tsis kam.
(9) Cov cuab yeej siv niaj hnub no tuaj yeem paub txog siab - ceev, automated loj ntau lawm.
6. Vim tias cov ntaub ntawv molded ntawv tais muaj cov ntaub ntawv raw txaus, nws yog cov pa phem -dawb thaum lub sijhawm tsim khoom thiab siv, muaj ntau yam kev siv, tsis tshua muaj nqi, lub teeb yuag, siab zog, plasticity, cushioning, interchangeability, zoo caij nplooj ntoos hlav zoo -loading kev ua tau zoo, thiab rov ua dua Nws muaj cov yam ntxwv ntawm kev siv, recycling thiab muaj zog reproduction daim ntawv thov, yog li nws muaj kev vam meej. Nws cov txiaj ntsig kev lag luam thiab cov xwm txheej hloov pauv tau lees paub los ntawm cov zej zog thoob ntiaj teb.
7. Raws li daim ntawv thov, muaj ob pawg tseem ceeb ntawm cov khoom siv pulp molding: pov tseg ib puag ncig tus phooj ywg tableware thiab cov khoom ntim khoom ib puag ncig, ob qho tib si tau siv dav.
