Roba silicone shine mafi girman rukuni tsakanin Organic kayayyaki . Polymer ne mai tsauri tare da inorganic Si-o-si Babban tsarin sarkar da kungiyoyin kungiyar kwayoyin, hada su duka halaye da halaye na kwayoyin halitta.

Idan aka kwatanta da al'ada dunkulewar kwayoyin halitta, roba silicone ya mDukaki kyau zafi juriya, Yanayin Desigure, Alamar lantarki, kariya mai tsauri , da Interness Interness , yana yin amfani da shi sosai na lantarki, kayan lantarki, mayarwa, abinci, iyali , da Abubuwan nishaɗi Masana'antu.

1

Roba silicone galibi ana rarraba shi cikin Babban zafin jiki mai rauni (HTV) da Zazzabi-zazzabi iri-iri (rtv) nau'ikan. Da RTV silicone roba ana iya sake rarrabuwa zuwa Cenensation-Cutar da Bugu da kari-magani tsarin.
Htv silicone roba galibi ana amfani dashi don samar da daban-daban sassan roba , kamar Kulla na mota, magyanayen abubuwa, cable sheaths, Keyboard barbashi , da Kwayoyin siliki na likita.
Da bambanci, RTV silicone roba ana amfani dashi azaman adheresives, potting mahadi , ko da kayan abinci , wasu daga cikin aiki kamar Abubuwan da ba su dace ba a cikin aiki daga baya ko tsarin kariya.

Htv silicone roba ya hada da nau'ikan da yawa: methyl silicone roba (MQ), methyl vinyl silicone roba (vmq, mafi yawan amfani) , da Methyl Vinyl phenyl silicone roba (pvmq) , sanannu ne saboda shi yayi kyau m zazzabi da rugujiran radi.
Tsakanin su, Vmq Ya ƙunshi karamin adadin sarƙoƙi na Vinyl, haɓaka haɓakar rashin daidaituwa. Zai iya amfani da daban-daban Ayyukan Ciniki na Peroxide kuma ya inganta yadda ya kamata Tsabtarwa Kashe juriya , wani abu mai mahimmanci don babban aikin roba kamar O-zobba da Gyada Gasets.
Wannan abubuwan suna ba da kyakkyawan halaye masu kyau, wurare masu santsi na iska, da kuma aiki mai sauƙi, sanya shi ɗayan da aka saba amfani da shi Htv silicone shara a kasuwa.

1.1 Sanadin yellowing a cikin silicone roba

A cikin ainihin samar da Htv silicone roba , a sakandare covercanization Ana buƙatar tsari sau da yawa don cire ragowar abubuwan da aka sauya abubuwa da yawa Motsa jiki , ta gaske inganta da injiniya da dattako na sassan roba.
Koyaya, yayin wannan tsari, wasu silicone roba kayayyakin na iya nuna yellowing ko ragewa ra'ayi , kai tsaye shafi aikace-aikacen su a cikin manyan masana'antu kamar abinci, na likita , da Solar Photonvoltanic sassan.

Bincike yana nuna cewa abubuwan da ke haifar da rawaya sun haɗa da:

Trafi abubuwan ƙarfe ko Nitrate ions (no₃⁻) A cikin raw gum ko ƙari, wanda ke haifar da launin shuɗi yayin alamun sakandare;

Peroxide bazuwar samarwa acetone , yana haifar da α-hydroxybuthutarDukahhyde condensation da Tsarin fili;

Da matakin pH na fushin silica mahimmanci ya yi rawaya tsananin ƙarfi.

Don haka, matakan haɓaka ci gaba gaba ɗaya maida hankali ne akan raw gum, fushin silica , da ƙari.

1.2 Matakan don inganta juriya na rawaya

Masu bincike sun gabatar da yawa Magani mai yellowing , kamar:

Ta amfani gyara man silicone wannan yana aiki kamar duka biyu Countlinking Co-wakili da wakili na yellowing A lokacin Vulcanization, inbhibited divolororer yayin hanzarta saurin warkarwa;

Yi amfani da Manna-nau'in BIS (2,5-peroxide) wakilai marasa ƙarfi tare da inganta kwanciyar hankali don samar da m sassan roba ; (https://www.sunliteek.com/)

Gabatar da Organic Surfacts a lokacin fushin silica magani don sarrafa girman barbashi da haɓaka watsawa;

Ƙara pyrophosphate-tushen utshering uts , wanda haɓaka aikin gona na rawaya ba tare da sulhu ba Tsarin roba.

Waɗannan hanyoyin ba kawai inganta da ingancin bayyanar na silicone roba kayayyakin , amma kuma inganta sarrafa kwanciyar hankali na Abubuwan da ba su dace ba a yayin kari da sakandare masu rauni.

2. Kammalawa

A cikin 'yan shekarun nan, China Kungiyar Silicon ya ci gaba cikin sauri, tare da Karfin monomer kai jikewa. Manyan kamfanoni suna canzawa zuwa babban inganci da Ayyukan Silicone.
Sassan roba sun zama babban reshe na Babban silicone kayayyakin roba , ko'ina amfani a cikin mayarwa, shiri, kayan lantarki, na likita , da sabon makamashi Masana'antu.
A halin yanzu, Abubuwan da ba su dace ba ana amfani da su a ciki m, sa takalmi , da Cike da cikawa Aikace-aikace, suna haifar da hanyar haɗin yanar gizo a cikin silicone na masana'antar siliki.

A matsayin tsammanin kasuwa don bayyanar da wasan kwaikwayon ya ci gaba da tashi, yana hana yellowing da kuma kiyaye ra'ayi da dattako a silicone roba kayayyakin Ka zama mabuɗan dabarun fasahar tuki da haɓakar haɓakawa da kuma yawan aikace-aikacen silicone.

Roba silicone shine mafi girman rukuni tsakanin Organic kayayyaki.