 1, tib yam, txawv txawv. 2, khoom yas Vim nws zoo heev, yooj yim ua, yas, roj hmab thiab hluavtaws fibers nyob rau hauv peb cov khoom loj hluavtaws, yog cov zis tshaj plaws, cov khoom siv ntau tshaj plaws siv cov khoom polymer. Tam sim no, daim ntaub ntawv yas ntawm cov ntaub ntawv yas yog tseem tab tom nthuav ntxiv, npog txhua yam ntawm lub teb chaws kev lag luam thiab tib neeg lub neej. 3, Yas yog raws li monomer ua raw khoom, ntxiv los yog polycondensation polymerization ntawm polymer tebchaw (macromolecules), feem ntau hu ua plastics (plastics) los yog tshuaj ntsuab, dawb do hloov cov kab txawv thiab lub cev style, ua los ntawm hluavtaws ream thiab ntxhov, , stabilizer, roj nplua nyeem, xim thiab lwm yam khoom siv. 2017-11-17 Sean lan |
