xov xwm

Ob qho tib si kub thiab tshav ntuj tuaj yeem cuam tshuam rau lub sijhawm khaws cia ntawm cov polyester resins tsis tau. Qhov tseeb, txawm tias nws yog unsaturated polyester resin lossis cov resin ib txwm muaj, qhov kub khaws cia yog qhov zoo tshaj plaws ntawm qhov kub hauv cheeb tsam tam sim no ntawm 25 degrees Celsius. Ntawm qhov no, qhov kub qis dua, lub sijhawm siv tau ntev dua ntawm cov polyester resin tsis tau; qhov kub siab dua, lub sijhawm siv tau luv dua.
Cov roj hmab yuav tsum tau kaw thiab khaws cia rau hauv lub thawv qub kom tiv thaiv kev poob ntawm monomer volatilization thiab kev poob ntawm cov khoom tsis huv. Thiab lub hau ntawm lub thoob ntim khoom rau khaws cov roj hmab tsis tuaj yeem ua los ntawm tooj liab lossis tooj liab alloy, thiab nws yog qhov zoo tshaj plaws los siv polyethylene, polyvinyl chloride thiab lwm yam hau hlau.
Feem ntau hais lus, yog tias muaj qhov kub thiab txias, nws txaus kom tsis txhob raug tshav ntuj ncaj qha rau lub thoob ntim khoom. Txawm li cas los xij, lub sijhawm txee tseem yuav raug cuam tshuam, vim tias thaum muaj huab cua kub thiab txias, lub sijhawm gel ntawm cov resin yuav luv dua, thiab yog tias cov resin tsis zoo, nws yuav kho tau ncaj qha hauv lub thoob ntim khoom.
Yog li ntawd, thaum lub sijhawm kub siab, yog tias muaj xwm txheej tso cai, nws yog qhov zoo tshaj plaws los khaws cia rau hauv lub tsev khaws khoom cua txias nrog qhov kub tas li ntawm 25 degrees Celsius. Yog tias tus neeg tsim khoom tsis npaj lub tsev khaws khoom cua txias, nws yuav tsum tau them sai sai rau kev luv lub sijhawm khaws cia ntawm cov resin.

Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov resins sib xyaw nrog styrene yuav tsum tau kho raws li cov hydrocarbons uas yooj yim hlawv kom tiv thaiv hluav taws. Cov tsev rau khoom thiab cov chaw ua haujlwm uas khaws cov resins no yuav tsum muaj kev tswj hwm nruj heev, thiab ua haujlwm zoo ntawm kev tiv thaiv hluav taws thiab kev tiv thaiv hluav taws txhua lub sijhawm.

Cov teeb meem kev nyab xeeb uas yuav tsum tau them sai sai thaum lub sijhawm ua cov polyester resin saturated hauv lub hoobkas
1. Cov tshuaj resin, cov tshuaj curing thiab cov tshuaj accelerator yog cov khoom siv uas yooj yim hlawv, thiab yuav tsum tau ceev faj txog kev tiv thaiv hluav taws. Qee cov tshuaj accelerators thiab cov tshuaj resins yuav tsum tau khaws cia sib cais, txwv tsis pub nws yooj yim ua rau tawg.
2. Yuav tsum tsis txhob haus luam yeeb thiab tsis txhob muaj nplaim taws qhib hauv lub chaw ua haujlwm tsim khoom.
3. Lub chaw ua haujlwm tsim khoom yuav tsum muaj cua nkag kom txaus. Muaj ob hom cua nkag hauv lub chaw ua haujlwm. Ib qho yog tswj cua nkag hauv tsev kom cov pa roj styrene tuaj yeem raug tshem tawm txhua lub sijhawm. Vim tias cov pa roj styrene ntom dua li huab cua, qhov concentration ntawm styrene ze hauv av kuj siab heev. Yog li ntawd, nws yog qhov zoo tshaj plaws los teeb tsa qhov cua tawm hauv lub chaw ua haujlwm ze rau hauv av. Qhov thib ob yog siv cov cuab yeej thiab khoom siv los tso pa tawm hauv thaj chaw ua haujlwm. Piv txwv li, muaj lub kiv cua tso pa tawm sib cais los rho cov pa roj styrene uas muaj zog ntau uas tawm ntawm thaj chaw ua haujlwm, lossis cov pa roj tawm raug tso tawm los ntawm cov yeeb nkab nqus dav dav hauv lub chaw ua haujlwm.
4. Yuav kom daws tau cov xwm txheej tsis tau xav txog, lub chaw ua haujlwm tsim khoom yuav tsum muaj tsawg kawg yog ob qhov tawm.
5. Cov resin thiab ntau yam accelerators khaws cia rau hauv lub chaw ua haujlwm ntau lawm yuav tsum tsis txhob ntau dhau, thiab nws yog qhov zoo tshaj plaws los khaws cia me me.

6. Cov resins uas tsis tau siv tab sis tau ntxiv nrog cov accelerators yuav tsum tau hloov mus rau qhov chaw nyab xeeb rau kev khaws cia kom tawg, kom tiv thaiv kom tsis txhob muaj cua sov ntau dhau los ntawm kev sib sau ua ke thiab ua rau tawg thiab hluav taws.
7. Thaum cov polyester resin uas tsis tau muab ntxuav tawm lawm, nws yuav ua rau muaj hluav taws, thiab cov pa phem yuav raug tso tawm thaum lub sijhawm no, uas yuav ua rau tib neeg muaj kev phom sij rau kev noj qab haus huv. Yog li ntawd, yuav tsum muaj kev ntsuas thaum muaj xwm txheej ceev los daws qhov teeb meem no.