Chii chinonzi room-temperature silicone rabha?

Sep 01, 2025 Siya meseji

Tembiricha yekamuri yakavhenekerwa silicone rabha, yakapfupikiswa sekamuri tembiricha rabha, ndeye organosilicon elastomer yakabuda muma1960s. Chinhu chinonyanya kukosha cherabha iyi ndechekuti inogona kurapa patembiricha yekamuri pasina kudziyisa kana kudzvanya, zvichiita kuti zvive nyore kushandisa. Nokudaro, yakakurumidza kukura kubva pakuiswa kwayo. Seyakakwirira-rabha yetembiricha, kamuri-tembiricha yakanyungudutswa yesilicone rabha inoumbwawo nerabha yepasi, reinforcing fillers, crosslinking agents, catalysts nezvimwe zvinowedzera. Huremu hwepolymer hunoshandiswa seglue pahwaro hwakadzikira pane hwepolymer inoshandiswa kugadzira-guruu yekupisa. Zvichienderana nefomula, vulcanization yekamuri-rabha yetembiricha inogona kuitwa kuburikidza nekugadzirisa/kuora kana kuwedzera maitiro emapoka anoshanda.

 

Zvinoenderana nemaitiro ekuita vulcanization, kamuri-rabha yetembiricha inogona kupatsanurwa mumhando dzekugadzira uye dzekuwedzera, uye zvinoenderana nekurongedza uye kuchengetera fomu, inogona kupatsanurwa kuita imwe-chikamu uye maviri-zvikamu zviviri. Imwe-chikamu chetembiricha yekamuri inopisa rabha ndeyemhando yekumisikidza, nepo maviri-chikamu chetembiricha yerabha ine marudzi maviri: condensation type uye kuwedzera.