Ọkwa PET resin nke karama juru
Okwu Mmalite ngwaahịa
E mepụtala ibe akwụkwọ polyester nke na-ekpo ọkụ na-ekpo ọkụ ma mepụta ya pụrụ iche maka karama na-ejuputa ọkụ dị ka ihe ọṅụṅụ tii ahụ si dị, ihe ọṅụṅụ mkpụrụ osisi na ihe ọṅụṅụ ndị ọzọ na-ajụ oyi na-achọ ka a na-ekpo ọkụ na karama maka igba ogwu.
The ika nke ngwaahịa atụmatụ obere arọ metal ọdịnaya, obere ọdịnaya nke acetaldehyde, ezi agba uru, Stable viscosity na mma maka nhazi.Na a pụrụ iche usoro uzommeputa na elu mmepụta technology, ngwaahịa, mgbe a na-thermoformed na SIPA, SIDEL, ASB wdg isi karama-eme igwe n'okpuru izugbe ọnọdụ, nwere elu tropism ọnụego, ike crystallinity na ezi fluidity na ala nrụgide-ahapụ ọnụego na karama ahụ dum, ọnụego mbelata okpomọkụ kwụsiri ike na ọnụ ahịa ngwaahịa dị elu na-eme karama, nwere ike imeju ihe achọrọ ka etinye ya na ihe dịka 90 Celsius C ma chebe ihe ọ drinksụ drinksụ site na mgbanwe ma ọ bụ oxidization na oge nchekwa ma gbochie nrụrụ karama.
Nka na ụzụ
| Ttem | Nkeji | Index | Usoro ule | |
| Viscosity dị n'ime (ahia nke mba ọzọ) | dL/g | 0.800± 0.02 | GB17931 | |
| Ọdịnaya nke acetaldehyde | ppm | <1 | chromatography gas | |
| Uru agba | L | - | >82 | HunterLab |
| b | - | <1 | HunterLab | |
| Otu njedebe Carboxyl | mmol/kg | <30 | Photometric titration | |
| Ebe mgbaze | Celsius C | 250 ± 2 | DSC | |
| Ọdịnaya mmiri | wt% | <0.2 | Usoro ibu | |
| Uzuzu ntụ ntụ | PPm | <100 | Usoro ibu | |
| Wt.nke 100 ibe | g | 1,55±0.10 | Usoro ibu | |
Ụdị nhazi ọnọdụ
ihicha dị mkpa tupu nhazi agbaze iji gbochie resin si hydrolysis.Ọnọdụ ihicha a na-ahụkarị bụ ikuku ikuku nke 165-185 ° C, oge obibi 4-6 awa, ebe igirigi dị n'okpuru -40 0C.
Okpomọkụ gbọmgbọm dị ka 285-298 Celsius C.
