1. Oli ea silicone ea vinyl ke eng?
Lebitso la lik'hemik'hale: oli ea silicone e nang le capped habeli
Sebopeho sa eona se seholo sa meralo ke hore karolo ea sehlopha sa methyl (Me) ho polydimethylsiloxane e nkeloa sebaka ke vinyl (Vi), e leng se etsang hore ho thehoe polymethylvinylsiloxane e sebetsang. Oli ea silicone ea vinyl e bonts'a sebopeho sa 'mele sa mokelikeli oa metsi ka lebaka la sebopeho sa eona se ikhethang sa lik'hemik'hale.
Oli ea silicone ea vinyl e arotsoe haholo ka mefuta e 'meli: oli ea silicone ea ho qetela le oli e phahameng ea silicone. Har'a tsona, oli ea silicone ea terminal ea vinyl haholo e kenyelletsa terminal vinyl polydimethylsiloxane (Vi-PDMS) le terminal vinyl polymethylvinylsiloxane (Vi-PMVS). Ka lebaka la litaba tse fapaneng tsa vinyl, e na le litšobotsi tse fapaneng tsa ts'ebeliso.
Mokhoa oa ho arabela oa oli ea silicone ea vinyl o tšoana le oa dimethicone, empa ka lebaka la sehlopha sa vinyl sebopeho sa eona, se na le reactivity e phahameng. Ts'ebetsong ea ho lokisa oli ea silicone ea vinyl, mokhoa oa ho arabela ka mokhoa o leka-lekaneng oa ho bula lesale o sebelisoa haholo-holo. Ts'ebetso ena e sebelisa octamethylcyclotetrasiloxane le tetramethyltetravinylcyclotetrasiloxane e le lisebelisoa tse tala, 'me e etsa mohaho oa ketane o nang le likhato tse fapaneng tsa polymerization ka karabelo ea ho bula lesale e entsoeng ka acid kapa alkali.
2. Litšobotsi tsa ts'ebetso ea oli ea silicone ea vinyl
1. E se nang chefo, e sa latsoeheng, ha e na litšila tsa mochini
Oli ea silicone ea vinyl ke mokelikeli o se nang 'mala kapa o mosehla, o bonaletsang, o se nang chefo, o sa nkhang hamonate ebile o se na litšila tsa mochini. Oli ena ha e qhibilihe ka metsing, empa e ka kopanngoa le benzene, dimethyl ether, methyl ethyl ketone, tetrachlorocarbon kapa parafine, 'me e qhibiliha hanyenyane ho acetone le ethanol.
2. Khatello e nyane ea mouoane, ntlha e phahameng ea flash le ntlha ea ho tima, sebaka se tlase sa leqhoa
Lintho tsena li etsa hore metsi a silicone a vinyl a tsitse ebile a se ke a fetoha mocheso o phahameng kapa libakeng tse khethehileng, kahoo a etsa bonnete ba hore ba phela nako e telele lits'ebetsong tse fapaneng.
3. Reactivity e matla
Silicone ea vinyl e kentsoeng habeli e nang le vinyl lipheletsong ka bobeli, e etsang hore e sebetse haholo. Tlas'a ketso ea li-catalyst, oli ea silicone ea vinyl e ka itšoara ka lik'hemik'hale tse nang le lihlopha tse sebetsang tsa hydrogen le lihlopha tse ling tse sebetsang ho lokisa lihlahisoa tse sa tšoaneng tsa silicon tse nang le thepa e khethehileng. Nakong ea karabelo, oli ea silicone ea vinyl ha e lokolle lintho tse ling tse boima ba limolek'hule 'me e na le tekanyo e nyane ea karabelo, e ntlafatsang ts'ebetso ea eona indastering ea lik'hemik'hale.
4. Ho thella ho hotle, bonolo, ho khanya, mocheso le ho hanyetsa boemo ba leholimo
Lintho tsena li etsa hore metsi a silicone a be le mefuta e mengata ea ho sebelisoa ha ho fetoloa ha li-plastiki, li-resin, lipente, liphahlo, joalo-joalo. rabara (HTV) ho matlafatsa matla le ho tiea ha rabara ea silicone. Ha ho etsoa rabara ea silicone ea mokelikeli, oli ea silicone ea vinyl hape ke thepa e ka sehloohong e tala bakeng sa rabara ea silicone e entsoeng ka ente, sekhomaretsi sa elektroniki le rabara e tsamaisang mocheso.
3. Tšebeliso ea oli ea silicone ea vinyl
1. Thepa ea motheo ea rabara ea silicone e nang le mocheso o phahameng oa mocheso (HTV):
Oli ea silicone ea vinyl e kopantsoe le li-crosslinkers, li-reinforcent agents, mebala, lisebelisoa tsa ho laola sebopeho, li-anti-botsofali, joalo-joalo, 'me li sebelisetsoa ho lokisa rabara e tala ea silicone e nang le mocheso o phahameng. Rabara ena ea silicone e na le botsitso bo botle le ho tšoarella libakeng tse phahameng tsa mocheso, 'me e sebelisoa haholo liketsahalong tse fapaneng tse hlokang ho hanyetsa mocheso o phahameng le ho hanyetsa kutu.
2. Lisebelisoa tse ka sehloohong tsa rabara ea silicone ea metsi:
Oli ea silicone ea vinyl e ka sebelisoa hammoho le li-crosslinkers tse nang le hydrogen, li-catalysts tsa platinum, li-inhibitors, joalo-joalo, ho lokisa rabara ea silicone ea metsi. Rabara ena ea silicone e na le mokelikeli o motle, sebopeho le elasticity, 'me e sebelisoa haholo indastering ea silicone, masela, lifilimi tse sireletsang le masimo a mang.
3. Tokiso ea lisebelisoa tse ncha:
Oli ea silicone ea vinyl e arabela ka mefuta e mengata ea lintho tse phelang tse kang polyurethane le acrylic acid ho lokisa lisebelisoa tse ncha tse sebetsang hantle. Lisebelisoa tsena tse ncha li na le litšoaneleho tsa ho hanyetsa boemo ba leholimo, ho hanyetsa botsofali, ho hanyetsa mahlaseli a ultraviolet, le ho tiea ho matlafalitsoeng, 'me li sebelisoa haholo ka ho roala, likhomaretsi, thepa ea ho tiisa le masimo a mang.
4. Likopo lefapheng la lisebelisoa tsa elektroniki:
Oli ea silicone ea vinyl e sebelisoa haholo ho li-adhesive tsa elektroniki, likhomaretsi tse tsamaisang mocheso, likhomaretsi tsa lebone la LED, liphutheloana tsa LED le lipitsa tsa elektronike. E fana ka ts'ebetso e phethahetseng ea ho tiisa ho sireletsa likarolo le likarolo tsa elektronike tse hlokolosi haholo ho tsoa tšilafalong kapa motsamaong, ho netefatsa botsitso le ts'epahalo ea lisebelisoa tsa elektroniki.
5. Lisebelisoa tsa mantlha tsa moemeli oa tokollo:
Moemeli oa ho lokolla o phetha karolo ea ho thibela ho khomarela tlhahiso ea indasteri, e leng se tlatsetsang ho lokolloa ha lihlahisoa le ho ntlafatsa katleho ea tlhahiso.
4. Tloaelo ea nts'etsopele ea 'maraka oa oli ea silicone ea vinyl
1.Katoloso ea sebaka sa kopo
Mekelikeli ea silicone ea vinyl ha e sebelisoe haholo ka lik'hemik'hale tsa setso, meriana, lisebelisoa tsa elektronike le tse ling, empa hape e phetha karolo ea bohlokoa ho litlolo le lihlahisoa tsa tlhokomelo ea motho ka mong, litlolo, litlolo tse jereng, lisebelisoa tsa ho tiisa, li-inks, polasetiki le rabara. Haholo-holo tšimong ea litlolo, oli ea silicone ea vinyl e sebelisoa haholo ha ho etsoa sesepa, li-shampoo, li-moisturizers, lotions, li-conditioner le lihlahisoa tse ling ka lebaka la lubricity ea eona e babatsehang le ho phunyeletsa.
2.Oli e ncha e sebetsang ea silicone ea vinyl
Baetsi ba ka hlahisa mefuta e mengata e fapaneng ea maro a silicone a sebetsang ka ho tsoelang pele ka ho ntlafatsa foromo le ho ntlafatsa ts'ebetso ea tlhahiso ho ntlafatsa viscosity, fluidity, botsitso le lisebelisoa tse ling tsa oli ea silicone ea vinyl. Joalo ka ho folisa leseli, pholiso ea cationic, biocompatible, joalo-joalo, e loketse mefuta e mengata ea lits'ebetso.
3.Vinyl silicone oli ho lokisetsa botala
Ka ntlafatso ea tlhokomeliso ea tikoloho, nts'etsopele ea lits'ebetso tse ncha tse baballang tikoloho bakeng sa tokiso e tala ea oli ea silicone ea vinyl, joalo ka ts'ebeliso ea li-monomers tse bolang, li-catalysts tse tiileng, lino tsa ionic, joalo-joalo, ho fokotsa ts'ebeliso ea litlhare tse chefo le ka- lihlahisoa, le ho fihlela ntshetsopele e tsitsitseng.
4.Nano vinyl silicone oli ea lintho tse bonahalang
Moralo le motsoako oa lisebelisoa tsa oli tsa silicone tsa vinyl tse nang le nanostructures e khethehileng, joalo ka vinyl silicone oli nanoparticles, nanofibers le borashe ba molek'hule, joalo-joalo, ho fa lisebelisoa ka litlamorao tse ikhethang tsa bokaholimo le thepa ea sehokelo, le ho bula masimo a macha a kopo.
5.Ho paka, ho boloka le ho tsamaisa
Sehlahisoa sena ke thepa e sebetsang ka lik'hemik'hale, 'me ha ea lokela ho tsoakoa le litšila (haholo-holo li-catalysts) nakong ea polokelo le lipalangoang,' me li lokela ho qojoa ho kopana le lintho tse ka tsosang lik'hemik'hale tsa eona, tse kang acid, alkalis, oxidants, joalo-joalo. ho thibela denaturation, le ho bolokoa sebakeng se phodileng le se omileng. Sehlahisoa sena ke thepa e seng kotsi 'me e ka tsamaisoa ho ea ka maemo a thepa e tloaelehileng.
Nako ea poso: Jul-05-2024