Polypropylene yog cov khoom siv ntau lawm rau cov hnab ntim khoom thiab muaj ntau yam kev ua tau zoo. Hauv qab no koj piav qhia txog cov khoom ntawm polypropylene.
1. Lub cev muaj zog. Polypropylene yog non-toxic, tsw, tasteless milky dawb siab crystalline polymer, tsawg ntom, thiab tam sim no yog ib tug ntawm cov lightest ntau yam ntawm tag nrho cov yas. Nws yog tshwj xeeb tshaj yog ruaj khov rau dej, zoo formability, tab sis vim loj shrinkage, tuab phab ntsa khoom yog ib qho yooj yim mus sag, rau tej qhov chaw nrog siab qhov tseeb, nws yog ib qho nyuaj rau ua tau raws li qhov yuav tsum tau, cov khoom nto luster yog zoo, yooj yim rau xim. .
2. Mechanical zog. Polypropylene muaj cov khoom siv zoo heev vim nws cov crystallinity siab thiab cov qauv tsis tu ncua. Tus nqi ntawm cov khoom siv kho tshuab ntawm polypropylene yog siab dua li ntawm polyethylene. Lub toughness ntawm polypropylene yog heev cuam tshuam los ntawm kub thiab loading tus nqi. Polypropylene muaj qhov zoo heev khoov qaug zog, thiab nws cov khoom tuaj yeem khoov ntau pua zaus ntawm chav tsev kub yam tsis muaj kev puas tsuaj.
3. Kev ua haujlwm kub. Polypropylene muaj cov cua kub zoo, cov khoom tuaj yeem tua kab mob thiab ua kom tsis muaj menyuam ntawm qhov kub siab tshaj 100 ° C, nyob rau hauv qhov xwm txheej tsis muaj kev quab yuam sab nraud, thiab 150 ° C tsis deformed.
4. Tshuaj stability. Cov tshuaj ruaj khov ntawm polypropylene yog qhov zoo heev, ntxiv rau kev eroded los ntawm cov concentrated sulfuric acid thiab concentrated nitric acid, nws yog ib qho ruaj khov rau ntau lwm yam tshuaj, thiab nws cov tshuaj stability kuj tseem txhim kho nrog kev nce ntawm crystallinity.
5. Cov khoom siv hluav taws xob. Nws muaj lub siab dielectric coefficient, thiab nrog rau qhov kub thiab txias, tuaj yeem siv los ua cov khoom siv hluav taws xob rwb thaiv tsev. Nws tawg voltage kuj yog siab heev, haum rau siv raws li cov khoom siv hluav taws xob.
6. Huab cua tsis kam. Polypropylene yog rhiab heev rau ultraviolet rays, ntxiv zinc oxide, dilauryl thiodipropionate, carbon dub, los yog zoo li opal fillers tuaj yeem txhim kho nws txoj kev laus.
