Lisebelisoa tsa li-silicone ha se feela karolo ea bohlokoa ea indasteri ea lisebelisoa tse ncha tsa indasteri e ntseng e tsoela pele ea maano a naha, empa hape ke lisebelisoa tsa bohlokoa tse tšehetsang liindasteri tse ling tse ntseng li hlaha.

Ka keketseho e tsoelang pele ea masimo a kopo, tlhokahalo e kholo ea tlhokahalo e entse hore li-silicone e be e 'ngoe ea lisebelisoa tsa lik'hemik'hale tse tsebahalang haholo hajoale.

Karolo e kholo ka ho fetisisa ea tšebeliso ea li-silicone tsa malapeng e libakeng tse kang kaho, lisebelisoa tsa elektroniki, motlakase le matla a macha, tlhokomelo ea bongaka le tlhokomelo ea botho.Har'a bona, sebaka sa kaho hajoale ke boemo bo ka sehloohong ba ho sebelisoa ha silicone, e leng karolo ea 30%.

Ntle le kholo e tsoelang pele ea tlhokahalo ea lisebelisoa tsa silicone liindastering tsa setso, liindasteri tse bolokang matla le ts'ireletso ea tikoloho joalo ka photovoltaics le matla a macha, hammoho le nts'etsopele ea liindasteri tse ntseng li hlaha tse kang kaho ea marang-rang a matla a phahameng le a phahameng haholo. , lisebelisoa tse bohlale tse aparoang, khatiso ea 3D, le 5G, kaofela li fana ka lintlha tse ncha tsa khōlo ea li-silicone.

Kakaretso ea li-Silicones

Li-silicones ke lentsoe le akaretsang bakeng sa metsoako ea silicon organic, e entsoeng le ho etsoa ka hydrolyzed ka silicon ea tšepe le chloromethane.

Mohato oa pele oa ho kopanya silicones ke ho hlahisa methylchlorosilane, eo ka nako eo e hydrolyzed ho fumana monomethyltrichlorosilane, dimethyldichlorosilane, le trichlorosilane.Dimethyldichlorosilane ke mofuta o ka sehloohong oa monoma oa silicon ea manyolo, 'me lihlahisoa tsa eona tsa mantlha ke rabara ea silicone le oli ea silicone.

Hajoale, matla a tlhahiso ea silicone a boletsoeng Chaena ka kakaretso a bua ka matla a tlhahiso ea methylchlorosilane, athe lipalo-palo tsa hona joale tsa tlhahiso li thehiloe tlhahisong ea dimethylsiloxane.

Ketane ea indasteri ea li-silicone

Ketane ea indasteri ea silicone e arotsoe haholo ka lihokelo tse 'ne: lisebelisoa tse tala tsa silicone, li-silicones monomers, li-silicones intermediates, le lihlahisoa tsa ts'ebetso tse tebileng tsa silicone.Ho na le likhoebo tse fokolang tsa tlhahiso bakeng sa lisebelisoa tse tala, li-monomers, le li-intermediates, athe ts'ebetso e tebileng ea ho theosa le metsi e kenyelletsa mefuta e mengata ea lihlahisoa le matla a tlhahiso a qhalakaneng.

Lisebelisoa tse tala tsa silicone

Mokhoa oa ho hlahisa li-silicone o kenyelletsa karolo e kholo ea lisebelisoa tse tala.Lisebelisoa tse tala tsa silicone ke phofo ea silicone ea indasteri, e lokiselitsoeng indastering ka ho fokotsa quartz ka coke ka seboping sa motlakase sa arc.

Tlhahiso ea silicone ea liindasteri e sebelisa matla a mangata a silicone le matla, 'me e baka tšilafalo e kholo ea tikoloho.Ka hona, phepelo e tsitsitseng le ea boleng bo holimo ea thepa e tala ea silicone ea indasteri e fetohile tiiso ea motheo bakeng sa tlhahiso ea silicone.

Ho latela SAGSI, ka 2020, matla a tlhahiso ea silicone ea indasteri ea lefats'e e ne e le lithane tse limilione tse 6.23, athe tlhahiso ea China e ne e le lithane tse limilione tse 4.82, tse etsang 77.4%.

Silicone

Li-silicones monomers le li-intermediates

Phepelo ea lapeng ea li-silicones monomers le li-intermediate li etsa karolo e fetang 50% ea kakaretso ea lefats'e, e leng se etsang hore e be morekisi e moholo ka ho fetisisa oa li-silicones monomers le li-intermediate lefatšeng.Ka lebaka la boemo bo sa tsitsang ba li-silicones monomers, lik'hamphani ka kakaretso li kopanya li-monomers ho li-intermediate tse kang DMC (dimethylsiloxane) kapa D4 e rekisoang.

Ho na le mefuta e fokolang le litlhaloso tsa li-silicones monomers le li-intermediates.

Dimethyldichlorosilane hajoale ke eona e sebelisoang ka ho fetesisa ea silicone monomer, e nkang karolo e fetang 90% ea kakaretso ea monoma.

Monyako oa ho kena indastering ea silicone o phahame, o nyolohetse ho lithane tse 200000 mme o hloka bonyane li-yuan tse limilione tse likete tse 1.5 tsa matsete a lichelete.Boemo bo phahameng ba ho kena indastering bo tla khothaletsa mokhoa oa ho tsepamisa mohopolo oa tlhahiso ea monomer ho ea ho likhoebo tse etelletseng pele.

Hajoale, ke lik'hamphani tse fokolang feela tse nang le pokello e lekaneng ea thekenoloji mme li fihletse tlhahiso e kholo, tse fetang 90% ea matla a tlhahiso a abuoa har'a likhoebo tse 11 tse holimo.

Bongata ba matla a tlhahiso ea silicones monomer bo boetse bo fana ka sebaka se lekaneng sa lipuisano bakeng sa likhoebo tse tlase.

Dichlorodimethylsilane

Mabapi le phepelo, likhoebo tse ngata tse etellang pele tsa silicone tsa China li na le merero e tsoelang pele kapa merero e mecha.Bokhoni bo bocha ba tlhahiso bo tla tsepamisoa tlhahiso ho tloha 2022 ho isa 2023, 'me matla a tlhahiso ea indasteri a haufi le ho kena potolohong e potlakileng ea katoloso.

Ho latela lintlha tse tsoang ho Baichuan Yingfu, lik'hamphani tse kang Hesheng Silicon Industry, Yunnan Energy Investment, le Dongyue Silicon Materials li tla tsetela lithane tse ka bang limilione tse 1.025 tsa tlhahiso ea silicone selemong sena.Likhamphani tse kang New Special Energy, Indasteri ea Silicon ea Asia, le Sichuan Yongxiang le tsona li tsetela molemong oa tlhahiso ea silicon ea polycrystalline, e leng se etsang hore ho be le keketseho ea tlhoko ea li-silicone tsa indasteri.

SAGSI e bolela esale pele hore tlhahiso ea China ea li-silicones methyl monomers e tla feta lithane tse limilione tse 6 ka selemo ka 2025, e leng karolo e fetang 70% ea matla a lefats'e a tlhahiso ea silicones methyl monomers.

Ho ea ka C&EN, Momentive, k'hamphani e etellang pele ea silicone ea kantle ho naha e rera ho koala matla a eona a tlhahiso ea li-silicone Waterford, New York, ho etsa hore Dow e be eona feela moetsi oa li-silicone tse holimo United States.

Bokhoni ba tlhahiso ea li-silicone monomer lefatšeng ka bophara bo fetisetsoa Chaena, 'me tekanyo ea mahloriso ea indasteri e tla tsoela pele ho ntlafala nakong e tlang.

Ts'ebetso e tebileng ea li-silicone

Hangata lihlahisoa tsa silicone tse entsoeng ka botebo li fumaneha ka mokhoa oa limolek'hule oa RnSiX (4-n), 'me thepa e tsitsitseng ea physicochemical ea ketane ea silicon le ho fapana ha lihlopha tse sebetsang li fana ka lihlahisoa tse tebileng tsa silicone tse entsoeng ka lisebelisoa tse ngata tsa tšebeliso.Lihlahisoa tse ka sehloohong ke rabara ea silicone le oli ea silicone, e ikarabellang bakeng sa 66% le 21% ka ho latellana.

Hona joale, indasteri e tebileng ea ts'ebetso ea li-silicone e ntse e le boemong ba tsoelo-pele e potlakileng, e nang le indasteri e batlang e hasane.Ho na le lik'hamphani tse fetang 3,000 tse tlase tse sebetsang ka har'a metsi tse sebetsanang le silicone feela.

Olivia Factory Raw Material Tank

Sebopeho sa lihlahisoa tsa silicone tse entsoeng ka botebo China:

Likhamphani tsa silicone tsa mose ho maoatle ha li na monyetla oa ho hlahisa li-silicone monomers ha li bapisoa le lik'hamphani tsa China, 'me boholo ba lik'hamphani tsa silicone tsa mose ho maoatle li tsepamisitse maikutlo ho nts'etsopele ea lihlahisoa tse tebileng tsa ts'ebetso le ho atolosa ketane ea indasteri.

Melaoana ea khothatso ea China bakeng sa indasteri ea silicone e fetohile butle-butle ho tloha ho tlhahiso ea monomer ho ea ho ts'ebetso e tebileng ea lihlahisoa tsa silicones, nts'etsopele ea lihlahisoa tse ncha tsa silicones, katoloso ea masimo a macha a kopo, le ntlafatso ea boemo bo pharaletseng ba tšebeliso.

Silika

Lihlahisoa tsa li-silicone tse tlase li na le boleng bo phahameng ba sehlahisoa le tebello ea ts'ebeliso ea 'maraka.Hajoale, ho ntse ho na le sebaka sa bohlokoa sa nts'etsopele ea tšebeliso ea li-silicone limmarakeng tse ntseng li hlaha Chaena le kantle ho naha.

Silicone

Polycrystalline silicon