Qhov nrov science paub:
Cov roj hmab ntuj muaj cov khoom zoo ntawm lub cev thiab txhua yam khoom, cov roj hmab ntuj muaj qhov elasticity zoo ntawm chav tsev kub, qhov no yog vim cov saw hlau molecular ntawm cov roj hmab ntuj yog amorphous ntawm chav tsev kub, molecular saw yooj yooj yim.Thermal aging natural rubber yog siab elastic lub cev ntawm chav tsev kub, vitrification kub yog -72 degrees, maj mam softened tom qab cua sov, pib ntws ntawm 130-140 degrees, txog 200 degrees pib decompose, 270 degrees tsausmuag decomposition.
Kev ua tau zoo, cov roj hmab ntuj vim qhov hnyav ntawm cov txheeb ze molecular, dav faib ntawm molecular hnyav, molecular saw yooj yim tawg, ua ke nrog qee tus naj npawb ntawm cov gel molecules hauv cov roj hmab nyoos, yog li nws yooj yim rau plasticizing, sib tov, calendering, nias, molding thiab lwm yam.
Post lub sij hawm: Apr-01-2022