Abstract: Daim ntawv no tshuaj xyuas daim ntawv thov thiab kev txhim kho ntawm cov hnab yas kub siab uas tsis muaj kuab tshuaj, thiab qhia txog cov ntsiab lus tseem ceeb ntawm kev tswj cov txheej txheem, suav nrog kev teeb tsa thiab kev lees paub ntawm cov txheej txheem, qhov av noo ntawm ib puag ncig, qhov kev teeb tsa ntawm kev ua haujlwm ntawm cov khoom siv, thiab cov kev xav tau ntawm cov khoom siv raw, thiab lwm yam.
Txoj kev siv lub tshuab ua kom sov thiab tua kab mob tau muaj ntau xyoo lawm. Hauv Suav teb, vim yog kev tsim cov nplaum uas tsis muaj kuab tshuaj lig, yuav luag txhua yam ntawm lawv tau siv los ua cov ntim khoom noj uas kub heev. Tam sim no, cov nplaum uas tsis muaj kuab tshuaj tau dhau los ua kaum xyoo ntawm kev txhim kho hauv Suav teb, nrog rau kev txhim kho zoo hauv cov khoom siv, cov khoom siv raw, cov neeg ua haujlwm, thiab cov thev naus laus zis. Hauv cov ntsiab lus ntawm txoj cai tiv thaiv ib puag ncig hauv tebchaws, cov tuam txhab luam ntawv xim tau tsim qhov chaw loj dua rau cov nplaum uas tsis muaj kuab tshuaj kom nrhiav tau txiaj ntsig thiab kev txhim kho, tsav los ntawm qhov ua rau muaj peev xwm tsim khoom ntau ntxiv. Yog li ntawd, kev npog ntawm cov nplaum uas tsis muaj kuab tshuaj tau dhau los ua dav dua, thiab kev siv lub tshuab ua kom sov, kev tua kab mob, thiab kev ntim khoom yog ib qho ntawm lawv.
1. Lub tswv yim ntawm kev ua noj ua haus kom tsis muaj kab mob thiab kev siv cov nplaum uas tsis muaj kuab tshuaj
Kev ua noj ua haus kom tsis muaj kab mob yog cov txheej txheem ntawm kev kaw thiab tua cov kab mob hauv cov thawv ntim cua los ntawm kev siv lub siab thiab cua sov. Hais txog cov qauv siv, kev ntim khoom siv ncu thiab ua kom tsis muaj kab mob tam sim no feem ntau muab faib ua ob hom: yas thiab txhuas-yas qauv. Cov xwm txheej ua noj ua haus tau muab faib ua ob theem: ua noj ua haus kub ib nrab (saum toj no 100° C txog 121° C) thiab ua noj kub heev (saum toj no 121° C txog 145° C). Cov nplaum uas tsis muaj kuab tshuaj tam sim no tuaj yeem npog kev ua noj ua haus kom tsis muaj kab mob ntawm 121° C thiab hauv qab no.
Hais txog cov khoom siv tau, cia kuv qhia luv luv txog qhov xwm txheej ntawm ntau yam khoom ntawm Kangda:
Cov qauv yas: WD8116 tau siv dav thiab loj hlob hauv NY / RCPP ntawm 121° C;
Cov qauv yas txhuas: Daim ntawv thov ntawm WD8262 hauv AL / RCPP ntawm 121° C kuj tseem laus heev.
Tib lub sijhawm, hauv kev ua noj thiab kev siv tshuaj tua kab mob ntawm cov qauv txhuas-yas, qhov nruab nrab (ethyl maltol) kev ua haujlwm siab ntev ntawm WD8262 kuj zoo heev.
2. Kev Taw Qhia Txog Kev Loj Hlob Yav Tom Ntej ntawm Kev Ua Noj Kub Siab
Ntxiv rau cov qauv peb - thiab plaub txheej uas paub zoo, cov ntaub ntawv tseem ceeb siv yog PET, AL, NY, thiab RCPP. Txawm li cas los xij, lwm cov ntaub ntawv kuj tau pib siv rau cov khoom ua noj hauv khw, xws li txheej txhuas pob tshab, zaj duab xis polyethylene ua noj kub siab, thiab lwm yam. Txawm li cas los xij, lawv tsis tau siv rau ntawm qhov loj lossis ntau ntau, thiab lub hauv paus rau lawv daim ntawv thov dav dav tseem yuav tsum tau sim rau lub sijhawm ntev dua thiab ntau cov txheej txheem. Hauv paus ntsiab lus, cov nplaum tsis muaj kuab tshuaj kuj tuaj yeem siv tau, thiab qhov cuam tshuam tiag tiag kuj zoo siab tos txais kom tau txheeb xyuas thiab sim los ntawm cov tuam txhab luam ntawv xim.
Tsis tas li ntawd xwb, cov nplaum uas tsis muaj kuab tshuaj kuj tseem txhim kho lawv cov kev ua tau zoo hauv qhov kub thiab txias ntawm kev tua kab mob. Tam sim no, muaj kev vam meej tseem ceeb hauv kev txheeb xyuas kev ua tau zoo ntawm Konda New Materials cov khoom tsis muaj kuab tshuaj raws li cov xwm txheej ntawm 125° C thiab 128° C, thiab kev siv zog ua kom ncav cuag qhov kub siab tshaj plaws ntawm kev ua noj, xws li 135° C ua noj thiab txawm tias 145° C ua noj ua haus.
3. Cov ntsiab lus tseem ceeb ntawm daim ntawv thov thiab kev tswj cov txheej txheem
3.1Kev teeb tsa thiab kev lees paub ntawm cov nqi nplaum
Niaj hnub nim no, qhov nrov ntawm cov khoom siv tsis muaj kuab tshuaj nce ntxiv, thiab ntau lub tuam txhab tsim khoom tau txais ntau dua kev paub thiab kev nkag siab txog kev siv cov khoom siv tsis muaj kuab tshuaj. Txawm li cas los xij, cov txheej txheem ua noj ua haus kub siab tseem xav tau qee qhov nplaum interlayer (piv txwv li tuab), thiab qhov nplaum ntau hauv cov txheej txheem dav dav tsis txaus kom tau raws li qhov xav tau ntawm kev ua noj ua haus sterilization. Yog li ntawd, thaum siv cov nplaum tsis muaj kuab tshuaj rau cov khoom ntim ua noj ua haus sib xyaw, qhov nplaum ntau npaum li cas yuav tsum tau siv, nrog rau qhov pom zoo ntawm 1.8-2.5g / m2².
3.2 Qhov ntau ntawm cov av noo ntawm ib puag ncig
Niaj hnub nim no, ntau lub tuam txhab tsim khoom pib paub thiab muab qhov tseem ceeb rau qhov cuam tshuam ntawm cov yam ntxwv ib puag ncig rau qhov zoo ntawm cov khoom. Tom qab daim ntawv pov thawj thiab kev sau luv luv ntawm ntau qhov xwm txheej, nws raug pom zoo kom tswj cov av noo ib puag ncig ntawm 40% thiab 70%. Yog tias cov av noo qis dhau, nws yuav tsum tau ua kom noo noo, thiab yog tias cov av noo siab dhau, nws yuav tsum tau ua kom qhuav. Vim tias ib feem ntawm cov dej hauv ib puag ncig koom nrog hauv kev sib xyaw ntawm cov kua nplaum tsis muaj kuab tshuaj, Txawm li cas los xij, kev koom nrog dej ntau dhau tuaj yeem txo qhov hnyav molecular ntawm cov kua nplaum thiab ua rau muaj qee qhov kev tsis sib haum xeeb, yog li cuam tshuam rau kev ua haujlwm tiv taus kub siab thaum ua noj. Yog li ntawd, nws yog qhov tsim nyog los kho qhov kev teeb tsa ntawm A / B Cheebtsam me ntsis hauv qhov kub thiab txias thiab av noo ib puag ncig.
3.3 Cov chaw teeb tsa rau kev ua haujlwm ntawm lub cuab yeej
Cov chaw teeb tsa parameter raug teeb tsa raws li cov qauv khoom siv sib txawv thiab kev teeb tsa; Qhov chaw teeb tsa nruj thiab qhov tseeb ntawm qhov sib piv faib tawm yog txhua yam ntsiab lus ntawm kev tswj hwm thiab kev lees paub. Qib siab ntawm kev ua haujlwm tsis siv neeg, kev raug, thiab kev ua haujlwm yooj yim ntawm cov khoom siv tsis muaj kuab tshuaj yog nws tus kheej qhov zoo, tab sis nws kuj npog qhov tseem ceeb ntawm kev ua tib zoo thiab kev ceev faj tom qab nws. Peb ib txwm hais tias kev ua haujlwm tsim khoom tsis muaj kuab tshuaj yog ib qho txheej txheem ua tib zoo.
3.4 Cov kev cai rau cov khoom siv raw
Qhov tiaj tiaj zoo, qhov ntub dej ntawm qhov chaw, qhov nrawm shrinkage, thiab txawm tias cov dej noo ntawm cov khoom siv nyias nyias yog cov xwm txheej tsim nyog rau kev ua tiav cov khoom sib xyaw ua ke.
- Qhov zoo ntawm cov khoom sib xyaw uas tsis muaj kuab tshuaj
Tam sim no, cov khoom ua noj thiab ua kom huv si uas kub heev hauv kev lag luam feem ntau siv cov nplaum uas muaj cov kuab tshuaj rau kev sib xyaw qhuav. Piv rau cov khoom sib xyaw qhuav, kev siv cov khoom ua noj uas tsis muaj kuab tshuaj muaj cov txiaj ntsig zoo li nram no:
4.1cov txiaj ntsig ntawm kev ua haujlwm zoo
Qhov zoo ntawm kev siv cov nplaum uas tsis muaj kuab tshuaj yog qhov ua rau muaj peev xwm ntau ntxiv. Raws li peb paub zoo, kev siv cov thev naus laus zis sib xyaw ua ke qhuav los ua cov khoom siv ua noj thiab tua kab mob kub siab muaj qhov ceev tsim khoom qis, feem ntau nyob ib puag ncig 100m / feeb. Qee qhov xwm txheej ntawm cov khoom siv thiab kev tswj hwm kev tsim khoom zoo, thiab tuaj yeem ua tiav 120-130m / feeb. Txawm li cas los xij, qhov xwm txheej tsis zoo tagnrho, tsuas yog 80-90m / feeb lossis qis dua. Lub peev xwm tso zis yooj yim ntawm cov nplaum uas tsis muaj kuab tshuaj thiab cov khoom siv sib xyaw zoo dua li cov khoom sib xyaw qhuav, thiab qhov ceev sib xyaw tuaj yeem ncav cuag 200m / feeb.
4.2qhov zoo dua ntawm tus nqi
Cov kua nplaum uas siv rau cov kua nplaum ua noj kub uas muaj kuab lom yog qhov loj heev, feem ntau tswj tau ntawm 4.0g / m3.² Sab laug thiab sab xis, qhov txwv tsis pub tsawg dua 3.5g / m2²;Txawm tias qhov ntau ntawm cov kua nplaum uas siv rau cov kua nplaum ua noj uas tsis muaj kuab tshuaj yog 2.5g / m2² Piv rau cov txheej txheem ua los ntawm cov kuab tshuaj, nws kuj muaj qhov zoo dua tus nqi vim nws muaj cov nplaum ntau.
4.3Cov txiaj ntsig hauv kev nyab xeeb thiab kev tiv thaiv ib puag ncig
Thaum siv cov kua nplaum ua noj uas muaj cov kuab tshuaj uas kub thiab muaj zog heev, yuav tsum ntxiv cov ethyl acetate ntau ntau rau kom yaj, uas ua rau puas tsuaj rau kev tiv thaiv ib puag ncig thiab kev nyab xeeb ntawm lub chaw tsim khoom. Nws kuj tseem muaj teeb meem ntawm cov kuab tshuaj uas muaj ntau heev. Thiab cov kua nplaum uas tsis muaj kuab tshuaj tsis muaj kev txhawj xeeb txog qhov no kiag li.
4.4Cov txiaj ntsig ntawm kev txuag hluav taws xob
Qhov piv ntawm kev kho cov khoom siv nplaum uas ua los ntawm cov kuab tshuaj yog qhov siab heev, feem ntau ntawm 50° C lossis siab dua; Lub sijhawm loj hlob yuav tsum yog 72 teev lossis ntau dua. Qhov ceev ntawm cov kua nplaum ua noj uas tsis muaj kuab tshuaj yog qhov ceev heev, thiab qhov xav tau rau qhov kub thiab txias thiab lub sijhawm kho yuav qis dua. Feem ntau, qhov kub kho yog 35° C~48° C, thiab lub sijhawm kho yog 24-48 teev, uas tuaj yeem pab cov neeg siv khoom kom luv lub voj voog.
5. Xaus Lus
Hauv kev xaus, cov nplaum uas tsis muaj kuab tshuaj, vim lawv cov yam ntxwv tshwj xeeb, cov tuam txhab luam ntawv xim, cov tuam txhab nplaum, thiab cov tuam txhab tsim khoom siv sib xyaw uas tsis muaj kuab tshuaj tau koom tes thiab txhawb nqa ib leeg tau ntau xyoo, muab kev paub thiab kev paub zoo hauv lawv cov teb. Peb ntseeg tias cov nplaum uas tsis muaj kuab tshuaj muaj ntau yam kev siv yav tom ntej. Lub tswv yim kev txhim kho ntawm Kangda Cov Khoom Siv Tshiab yog "peb tau ua haujlwm hnyav los tsim kom muaj txiaj ntsig rau cov neeg siv khoom thiab txav lawv mus". Peb vam tias peb cov khoom ua noj kub siab tuaj yeem pab ntau lub tuam txhab luam ntawv xim tshawb nrhiav cov teb tshiab uas tsis muaj kuab tshuaj.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-22-2023