Ke mefuta efe ea likhoele tse sebelisoang hangata seretseng sa polymer?

Ho kenyelletsa likhoele ho seretse sa polymer ho ntlafatsa ts'ebetso e felletseng ea seretse e se e le mokhoa o tloaelehileng le o ka khonehang. Li-fiber tse sebelisoang hangata ke tse latelang

Fiberglass e hananang le alkali?

Fiber ea khalase e entsoe ka ho qhibiliha silicon dioxide, oxides e nang le aluminium, calcium, boron le likarolo tse ling, le lisebelisoa tse nyenyane tsa ho sebetsa tse kang sodium oxide le oxide potassium ka libolo tsa khalase, ebe e qhibiliha le ho hula libolo tsa khalase ka crucible. Khoele e 'ngoe le e' ngoe e nkiloeng ho crucible e bitsoa monofilament, 'me li-monofilaments tsohle tse nkiloeng ho crucible li bokelloa ka khoele e tala (tow) ka mor'a ho feta ka tanka e kolobisang. Ka mor'a hore tow e khaole, e ka sebelisoa ka seretse sa polymer.

Litšobotsi tsa ts'ebetso ea fiber ea khalase ke matla a phahameng, modulus e tlase, bolelele bo phahameng, coefficient e tlase ea mela, le conductivity e tlase ea mocheso. Matla a tsitsitseng a fiber ea khalase a feta hōle matla a lisebelisoa tse sa tšoaneng tsa tšepe (1010-1815 MPa).

Velen fiber?

Karolo e ka sehloohong ea vinylon ke joala ea polyvinyl, empa joala ea vinyl ha e tsitsa. Ka kakaretso, vinyl alcohol acetate (vinyl acetate) e nang le ts'ebetso e tsitsitseng e sebelisoa e le monomer ho polymerize, 'me joale polyvinyl acetate e hlahisoang ke joala ho fumana joala ea polyvinyl. Ka mor'a hore silika e phekoloe ka formaldehyde, vinylon e thibelang metsi a chesang e ka fumanoa. Thempereichara e qhibilihang (225-230C) ea joala ba polyvinyl e phahame ho feta mocheso oa ho bola (200-220C), kahoo e ohloa ke tharollo ea tharollo.

Vinylon e na le hygroscopicity e matla 'me ke mefuta e mengata ka ho fetisisa ea hygroscopic har'a likhoele tsa maiketsetso, tse haufi le k'hothone (8%). Vinylon e matla ho feta k'hothone 'me e matla ho feta boea. Corrosion resistance and light resistance: insolble in general organic acids, alcohols, esters le petroleum lebone solvents, ha ho bonolo ho bōptjoa, 'me tahlehelo ea matla ha e kholo ha e pepesehetse letsatsi. Bothata ke hore ho hanyetsa metsi a chesang ha hoa lekana 'me elasticity e fokola.

Acrylic fiber?

E bua ka fiber ea maiketsetso e entsoeng ka ho ohia ka metsi kapa ho ohla ho omileng ka ho feta 85% ea copolymer ea acrylonitrile le monomers ea bobeli le ea boraro.

Acrylic fiber e na le khanyetso e ntle ea khanya le ho hanyetsa boemo ba leholimo, e leng eona e ntle ka ho fetisisa har'a likhoele tse tloaelehileng tsa masela. Ha fiber ea acrylic e pepesetsoa letsatsi ka selemo se le seng, matla a eona a tla fokotseha ka 20%. Acrylic fiber e na le botsitso bo botle ba lik'hemik'hale, ho hanyetsa acid, ho hanyetsa alkali e fokolang, khanyetso ea oxidation le khanyetso ea organic solvent. Leha ho le joalo, likhoele tsa acrylic li tla fetoha mosehla ka lye, 'me li-macromolecules li tla robeha. Sebopeho sa quasi-crystalline sa fiber ea acrylic se etsa hore fiber thermoelastic. Ho phaella moo, fiber ea acrylic e na le mocheso o motle oa ho hanyetsa, ha ho na hlobo, 'me ha e tšabe likokoanyana, empa e na le ho hanyetsa ho apara hantle le botsitso bo bobe ba dimensional.

Lifaele tsa polypropylene?

Fiber ea polyolefin e entsoeng ka stereoregular isotactic polypropylene polymer ka ho qhibiliha. Boima bo lekanyelitsoeng ke bo bonyenyane ka ho fetisisa har'a likhoele tsa maiketsetso, matla a omileng le a metsi a lekana, 'me khanyetso ea corrosion ea lik'hemik'hale e ntle. Empa ho tsofala ha letsatsi hoa fokola. Ha fiber ea polypropylene mesh e kenngoa ka har'a seretse, nakong ea ts'ebetso ea ho kopanya seretse, kamano e fapaneng pakeng tsa fiber monofilaments e senngoa ke ho phunya le ho ferekana ha seretse ka boeona, 'me fiber monofilament kapa mohaho oa marang-rang o buloa ka ho feletseng, kahoo. joalo ka ho elelloa bongata Phello ea likhoele tse ngata tsa polypropylene tse tsoakiloeng ka konkreite.

Fiber ea nylon?

Polyamide, eo hangata e tsejoang e le nylon, ke lentsoe le akaretsang bakeng sa li-resin tsa thermoplastic tse nang le lihlopha tse pheta-phetoang tsa amide-[NHCO]-ho ketane e kholo ea limolek'hule.

Nylon e na le matla a phahameng a mochini, sebaka se phahameng sa ho nolofatsa, ho hanyetsa mocheso, khohlano e tlase, ho hanyetsa ho roala, ho itlotsa, ho monya ho ts'oenyeha le ho fokotsa lerata, ho hanyetsa oli, ho hanyetsa acid e fokolang, ho hanyetsa alkali le li-solvents ka kakaretso, ho kenya motlakase hantle, ho na le Self- e timang, e se nang chefo, ha e na monko, e ntle ea ho hanyetsa boemo ba leholimo, ho daea ho fokolang. Phoso ke hore e na le metsi a mangata, a amang botsitso ba dimensional le thepa ea motlakase. Ho matlafatsa fiber ho ka fokotsa ho kenngoa ha metsi ka resin, e le hore e ka sebetsa tlas'a mocheso o phahameng le mongobo o phahameng. Nylon e na le kamano e ntle haholo le likhoele tsa khalase.

Polyethylene fiber?

Likhoele tsa polyolefin li ohliloe ho tsoa ho polyethylene e melang (polyethylene e boima bo phahameng) ka ho qhibiliha. Likarolo tsa sesebelisoa ke:

(1) Matla a fiber le bolelele li haufi le tsa polypropylene;

(2) Matla a ho monya mongobo a tšoana le a polypropylene, 'me sekhahla sa ho khutlisa mongobo ke zero tlas'a maemo a tloaelehileng a sepakapaka;

(3) E na le lik'hemik'hale tse batlang li tsitsitse, lik'hemik'hale tse ntle tse hanyetsanang le ho senya;

(4) Ho hanyetsa mocheso ho futsanehile, empa ho hanyetsa mocheso le mongobo ho molemo, ntlha ea ho qhibiliha ha eona ke 110-120 ° C, e tlaase ho feta likhoele tse ling, 'me ho hanyetsa likoti tse qhibilihang ho fokola haholo;

(5) E na le mokelikeli o motle oa motlakase. Ho hanyetsa khanya ho fokola, 'me ho bonolo ho tsofala tlas'a mahlaseli a khanya.

Fiber ea Aramid?

Ketane e ka sehloohong ea macromolecule ea polymer e entsoe ka mehele e nkhang hamonate le li-amide bonds, 'me bonyane 85% ea lihlopha tsa amide li kopantsoe ka ho toba le mehele e nkhang hamonate; liathomo tsa naetrojene le lihlopha tsa carbonyl lihlopheng tsa amide tsa yuniti e 'ngoe le e 'ngoe e pheta-phetoang li tlamahanngoa ka ho toba le mehele e nkhang hamonate Polima eo liathomo tsa k'habone li hokahaneng le ho nka sebaka sa e 'ngoe ea liathomo tsa haedrojene li bitsoa aramid resin,' me likhoele tse ohliloeng ho eona li bitsoa hammoho. likhoele tsa aramid.

Fiber ea Aramid e na le thepa e ntle ea mochini le e matla joalo ka matla a phahameng a ho tsikitla, modulus e phahameng, letsoalo le tlase, ho monya matla a matle le ho monya ho ts'oenyeha, ho hanyetsa ho roala, ho hanyetsa tšusumetso, ho hanyetsa mokhathala le botsitso ba sebopeho. Ho bola ha lik'hemik'hale, ho hanyetsa mocheso o phahameng, katoloso e tlase, conductivity e tlase ea mocheso, e sa cheng, e sa qhibiliheng le lisebelisoa tse ling tse ikhethang tsa mocheso le thepa e ntle ea dielectric.

fiber ea lehong?

Fiber ea lehong e bua ka lesela la mochini le entsoeng ka lerako le teteaneng la lisele le lisele tsa fiber tse nang le mekoti e metle e kang ea crack, 'me ke e 'ngoe ea likarolo tsa mantlha tsa xylem.

Fiber ea lehong ke fiber ea tlhaho e monyang metsi 'me ha e qhibilihe ka metsing. E na le phetoho e ntle haholo le dispersibility.