PA12 [poly-dodecanolactam] kev ua tau zoo:
Crystalline thermoplastic yas nrog pom meej melting point. Nylon nws tus kheej muaj dej txaus thiab yog vim li no absorbs dej. Nws yuav tsum tau qhuav ua ntej ua. Thaum lub ntsuas kub siab dhau lawm, cov nylon feem ntau yog qhov muag.
Zoo ntawm PA12 [polydolactam]:
1. Tensile siab zog 2. Muaj kev tiv thaiv zoo rau kev muaj zog thiab qhov ua rau lub cev tsis zoo 3. Lub cev lubricating, zoo tu ncua thiab tshuaj lom neeg ua haujlwm zoo 4. Cov yam ntxwv zoo kub tsis zoo 5. Self-extinguishing
PA12 [poly-dodecanolactam] disadvantages:
Nylon muaj siab hygroscopicity, ntev-ntev qhov tseeb thiab lub cev muaj feem cuam tshuam.
Taw qhia:
Lub npe lub npe ntawm PA12 yog poly-dodelactam, los yog cov nylon 12. Cov khoom siv raw rau nws cov polymerization yog butadiene, uas tuaj yeem ua rau ntawm cov tsiaj cog qoob loo. Nws yog ib qho semi-crystalline-crystalline thermoplastic. Nws cov yam ntxwv zoo ib yam li cov PA11, tab sis cov qauv siv lead ua sib txawv. PA12 yog lub tshuab hluav taws xob zoo zoo thiab, zoo li lwm cov polyamides, tsis muaj kev cuam tshuam dab nyob rau ntawm kev ya raws. Nws muaj kev ua haujlwm zoo thiab kev ruaj ntseg. PA12 muaj ntau yam kev txhim kho ntau yam hais txog cov khoom yas thiab cov cuab yeej siv zog. Piv rau PA6 thiab PA66, cov ntaub ntawv no muaj qhov qis melting point thiab ntom nti thiab muaj ib txoj dej ntws zoo heev. PA12 tsis ua kom muaj zog oxidizing acids. Cov viscosity ntawm PA12 yog kev txiav txim siab los ntawm cov av, qhov kub thiab txias. Nws yog kua dej heev. Lub shrinkage yog ntawm 0.5% thiab 2%, nyob ntawm seb hom khoom, phab ntsa thickness thiab lwm yam kev mob. PA12 Polyamide 12 los yog nylon 12 Cov ntawv thov siv: dej ntsuas thiab lwm yam khoom siv lag luam, tsho fais fab tuag, camsical mechanics, sliding mechanisms, photovoltaic backplanes thiab bearings, thiab lwm yam.
Tshuaj thiab lub cev nqaij daim tawv:
PA12 yog cov kab, semi-crystalline-crystalline thermoplastic khoom los ntawm butadiene. Nws cov yam ntxwv zoo ib yam li cov PA11, tab sis cov qauv siv lead ua sib txawv. PA12 yog lub tshuab hluav taws xob zoo zoo thiab, zoo li lwm cov polyamides, tsis muaj kev cuam tshuam dab nyob rau ntawm kev ya raws. Nws muaj kev ua haujlwm zoo thiab kev ruaj ntseg. PA12 muaj ntau yam kev txhim kho ntau yam hais txog cov khoom yas thiab cov cuab yeej siv zog. Piv rau PA6 thiab PA66, cov ntaub ntawv no muaj qhov qis melting point thiab ntom nti thiab muaj ib txoj dej ntws zoo heev. PA12 tsis ua kom muaj zog oxidizing acids. Cov viscosity ntawm PA12 yog kev txiav txim siab los ntawm cov av, qhov kub thiab txias. Nws yog kua dej heev. Lub shrinkage yog ntawm 0.5% thiab 2%, nyob ntawm ntau yam khoom siv, phab ntsa thickness thiab lwm yam kev mob.
