Vim li cas cov nqi ntawm PS thiab PC teeb nyob rau hauv kev ua lag luam thiaj li sib txawv? Hnub no, kuv yuav qhia txog cov yam ntxwv ntawm ob yam khoom.
1. Polystyrene (PS)
• Khoom: Amorphous polymer, Shrinkage tom qab molding tsawg dua 0.6; qhov ceev qis ua rau cov zis 20% txog 30% ntau dua li cov khoom siv dav dav
• Cov txiaj ntsig: pheej yig, pob tshab, zas tau, qhov loj me ruaj khov, muaj zog heev
• Qhov tsis zoo: tawg ua tej daim me me, tsis yooj yim yaj, tsis yooj yim kub
• Daim Ntawv Thov: ntawv sau, khoom ua si, Lub thawv khoom siv hluav taws xob, cov khoom siv rooj tog styrofoam
2. Polycarbonate (PC)
• Khoom: Amorphous thermoplastics
• Cov txiaj ntsig: muaj zog thiab elastic modulus, muaj zog cuam tshuam siab, dav dav kub ua haujlwm, pob tshab siab thiab dawb dyeing, HDT siab, zoo tiv taus qaug zog, zoo tiv taus huab cua, zoo heev hluav taws xob yam ntxwv, tsis muaj saj thiab tsis muaj ntxhiab, tsis ua rau tib neeg lub cev, kev noj qab haus huv thiab kev nyab xeeb, tsis tshua muaj molding shrinkage thiab zoo dimensional stability.
• Qhov Tsis Zoo: Kev tsim khoom tsis zoo tuaj yeem ua rau muaj teeb meem kev ntxhov siab sab hauv
• Daim Ntawv Thov:
√ Electronics: CDs, keyboards, tsev khoom siv hauv tsev, teeb liab cannons, xov tooj
√ Tsheb: bumpers, faib cov laug cam, kev nyab xeeb iav
√ Cov khoom lag luam: lub cev lub koob yees duab, lub tsev siv tshuab, lub kaus mom hlau, lub tsom iav dhia dej, lub lens kev nyab xeeb
3. Lwm yam xwm txheej
• Lub teeb transmittance ntawm PS yog 92%, thaum rau PC yog 88%.
• PC muaj zog dua PS, PS yooj yim tawg thiab yooj yim tawg, thaum PC muaj zog dua.
• Qhov kub ntawm lub cev hloov pauv ntawm PC ncav cuag 120 degrees, thaum PS tsuas yog li 85 degrees xwb.
• Qhov kev hloov pauv ntawm ob qho no kuj txawv heev. Qhov kev hloov pauv ntawm PS zoo dua li PC. PS siv tau cov rooj vag taw tes, thaum PC xav tau lub rooj vag loj.
• Tus nqi ntawm ob qho no kuj txawv heev. Tam sim noib txwmPC raug nqi ntau dua 20 yuan, thaum PS tsuas yog raug nqi 11 yuan xwb.
Yas PS yog hais txog ClassⅠplastic uas muaj Styrene nyob rau hauv cov saw hlau Macromolecular, thiab kuj suav nrog Styrene thiab Copolymers. Nws yaj tau hauv Aromatic hydrocarbons, Chlorinated hydrocarbons, Aliphatic Ketones thiab esters, tab sis tsuas yog tuaj yeem o hauv acetone.
PC tseem hu ua Polycarbonate, luv ua PC, yog cov khoom siv thermoplastic tsis muaj xim, pob tshab, amorphous. Lub npe los ntawm Internal CO3 pawg.
Vam tias nws yuav pab cov neeg siv khoom nkag siab tias vim li cas tus nqi PC thiab PS thiaj li sib txawv. Kuv kuj vam tias cov neeg siv khoom yuav saib xyuas thaum xaiv lub teeb, tsis txhob cia tus nqi dag. Tom qab tag nrho, koj tau txais yam koj them rau.
Liper ua tus kws tshaj lij tsim teeb pom kev zoo, peb nruj heev rau kev xaiv cov khoom siv, yog li koj tuaj yeem xaiv thiab siv nws nrog kev ntseeg siab.
Lub sijhawm tshaj tawm: Tsib Hlis-31-2024
