Waa kuma aabaha silicone?

Aug 12, 2025 Fariin ku dhaaftid

Sannadkii 1904tii, saynis yahan Ingiriis ah FS KippiHg waxa uu si guul leh u farsameeyey iskudhis ka kooban silikoon{3}} bond carbon - dimethyldichlorosilane {{5} isagoo isticmaalaya Greiner's reagent iyo silicon tetrachloride, sidaas darteedna aasaaska u ah cilmi baarista organosilicon: 2CH₂MgCl+SiCl→(CH₃)₂SiCl₂+2MgCl₂

 

201903111411450041Ma aha oo kaliya in badan oo ka mid ah xeryahooda organosilicon fudud R-Si-X la sameeyay, laakiin sidoo kale polysiloxanes wareeg iyo toosan ayaa soo baxay Intaa waxaa dheer, intii lagu jiray tijaabada, waxaa la ogaaday in markii qayb ahaan alkyl{7}}lagu beddelay silanes ka kooban kooxo hawleed hydrolyzable la helay, sifooyinka kiimikaad ee dimethyldichlorosilane ayaa aad u firfircoon. Hydrolysis ka dib, waxay dhalin kartaa silanols. Iyada oo la adeegsanayo uumiga u dhexeeya silanediol iyo molecules silantriol, mabda'a soo saarida polymers sare leh silikoon{10} bonds ogsijiin sida qaab-dhismeedka ayaa la gaari karaa, furitaanka dariiqa isku dhafka xabagta silikoon. Qaar ka mid ah polymers-yadan waa saliid, qaarna waa xabagta{12}}sida, qaarna waa sida jeel{13}} oo kale. Kuwani waa saliidaha silikoon ee kala duwan, resins silikoon iyo caag silikoon ah oo aan maanta haysano. Si kastaba ha noqotee, wakhtigaas, ifafaalaha polymerization ee la arkay waa la iska indhatiray oo muhiimadda polymerization ee goobtan lama aqoonsan. Sidaa darteed, polymers-yadan waxa loo go'doomiyey sidii wax laga xumaado by{17}} alaabooyin.

 

FS KippiHg waxa ay 45 sano ka shaqaynaysay maadada organosilicon chemistry waxana ay daabacday 54 waraaqo cilmi baadhis ah.

FS KippiHg waxaa si weyn loogu aqoonsan yahay aasaasaha ugu wanaagsan ee kimistariga organosilicon adduunka oo dhan. Guusha uu gaadhay waxa ay ku jirtaa aqoonsiga dariiqa loo maro isku xidhka organosilicon iyo ka soo saarida tiro badan oo ah xeryahooda organosilicon ee qeexan, isaga oo seeska u dhigaya kimistariga organosilicon. Laakiin tani maaha barta bilawga ah ee kimistariga organosilicon ee maanta.

 

Marka la eego shaqada aragtida, isku dhafka xeryahooda atom ee silicon asymmetric ayaa la bilaabay, abuurista shuruudo cilmi baaris ah isomers photoactive of organosilicon.