kasi One - ya chipinda cha kutenthemeska kutentha kwa silicone raba?

Aug 18, 2025 Lekani uthenga

Chipinda chimoza cha raba chimoza-} chakukolerana -kuyezgayezga kwa silikoni labala ni ,ω {-dihydrohypolysicone, ndipo ndondomeko yake ya vulcanization yikuthemba pa chinyezi mu mlengalenga.

Ŵanthu ŵanandi awo ŵakagwiliskiranga ntchito croslingning, nga ni methyltricetoxysilane, ŵakuchita na maji kuti ŵapange acetic acid na kufunyamo magulu gha hydroxyl, agho pamanyuma ghakusazgana na tolosilicon ya mzere kuti ghapange chigaŵa chakukolerana.

 

Mtundu uwu wa labala kanandi ukuzuzgika mu mapaipi ghakujalirika ndipo uli na magulu gha silanol ghakumalira, vyakuzuzga, vyakupangiska, na vinyake. Para vikugwiriskirika nchito, vikufumiskika ndipo vikuchita na chinyezi mu mlengalenga, vulcanizing mu elastomer na kufumiska vinthu vyapasi -vinthu vya molecular. Kusankha wovwiri wa crosslinking kuzamukhwaska mtundu wa chinthu. Mwachiyelezgero, mtundu uwo ukufumiska moŵa para munthu wakujumpha mu magulu gha alkoxy ukuchemeka kuti mtundu wa dealcoholization, ndipo mtundu uwo ukupanga oxime para munthu wakujumpha mu vigaŵa vyakupambanapambana na magulu gha oxime ukuchemeka kuti deoxime mtundu. Pa nyengo yasono, mtundu wa deacification yimoza -} vigaŵa - temperature vulcanizing rabar raba ya silikoni ndiyo mtundu wakugwiriskirika nchito chomene.