Thepa ea Lik'hemik'hale ea Acetate Fiber
1.Ho hanyetsa alkali
Moemeli ea fokolang oa alkaline hoo e ka bang ha ho na tšenyo ea hofiber ea acetate, kahoo fiber e na le tahlehelo e fokolang ea boima ba 'mele. Haeba ka alkali e matla, fiber ea acetate, haholo-holo fiber ea diacetate, e bonolo ho ba le deacetylation, e lebisang ho lahleheloa ke boima ba 'mele le ho fokotsa matla le modulus. Ka hona, boleng ba pH ba tharollo bakeng sa ho phekola fiber ea acetate ha boa lokela ho feta 7.0. Tlas'a boemo bo tloaelehileng ba ho hlatsoa, fiber ea acetate e na le khanyetso e matla ea chlorine bleaching. E ka boela ea hloekisoa ka perchlorethylene.
2.Ho hanyetsa li-solvents tse phelang
Fiber ea acetate e ka qhibiliha ka ho feletseng ho acetone, DMF le glacial acetic acid 'me e ke ke ea qhibiliha ka joala ba ethyl kapa tetrachlorethylene. Ho ea ka thepa ena, acetone e ka sebelisoa e le mokelikeli o ohlang oa fiber ea acetate. 'Me fiber ea acetate e ka hloekisoa ka ho omella ka tetrachlorethylene.
3.Ho hanyetsa asiti
Acetate fiber e tsitsitse ka asiti. E tloaelehileng ea sulfuric acid, hydrochloric acid le nitric acid, haeba e le ka har'a mefuta e itseng ea mahloriso, e ke ke ea susumetsa matla, khanya kapa bolelele ba fiber ea acetate. Empa faeba ea acetate e qhibiliha ka sulfuric acid e ngata, concentrated hydrochloric acid le concentrated nitric acid.
4.Thepa ea ho daea
Lidae tse qhalaneng ke lidae tse loketseng ka ho fetisisa bakeng sa fiber ea acetate, e nang le boima bo tlase ba molek'hule le tse tšoanangho daeasekhahla.
Fiber ea acetate kapa lesela le dailoeng ka lidae tse qhalakaneng le na le 'mala o khanyang, khanya e khanyang, phello e ntle ea boemo, sekhahla se phahameng sa ho nka dae, ho potlaka ha mebala e metle le chromatogram e hlaha.
Thepa ea 'Mele ea Acetate Fiber
1.Acetate fiber e na le metsi a itseng. E boetse e na le thepa ea ho felloa ke metsi ka potlako ka mor'a metsi a adsorbing.
2.Acetate fiber e na le botsitso bo botle ba mocheso. Thempereichara ea phetoho ea khalase ea fiber ea acetate e ka ba 185 ℃ mme mocheso oa ho qhibiliha o ka ba 310 ℃. Ha mocheso o emisa ho phahama, tekanyo ea tahlehelo ea boima ba fiber ke 90.78%. Matla a ho robeha a fetoha ho tloha ho 1.29 cN/dtex ho ea ho 31.44%.
3. Boima ba fiber ea acetate bo nyane ho feta ba viscose fiber 'me bo tšoana le ba polyester. Matla ke a manyenyane ka ho fetisisa har'a likhoele tsena tse tharo.
4.The elasticity ea fiber ea acetate e ntle, e haufi le ea silika le boea.
5.Shrinkage ka metsing a belang e tlaase. Empa ts'ebetso e phahameng ea mocheso e tla susumetsa matla le khanya. Kahoo mocheso o ke ke oa feta 85 ℃.
Na lesela la acetate fiber le loketse ho roala?
1.Diacetate fiber e na le phepelo e ntle ea moea le thepa e khahlanong le static.
Tikolohong ea mongobo o lekanyelitsoeng oa 65%, fiber ea diacetate e monya mongobo joalo ka k'hothone le thepa e omisang kapele ho feta k'hothone. Kahoo e ka monya mouoane oa metsi o tsoang 'meleng oa motho ebe e tsoa hantle haholo, e leng ho etsang hore batho ba ikutloe ba phutholohile. Ka nako e ts'oanang, ts'ebetso e ntle ea ho monya mongobo e ka fokotsa ho bokellana ha motlakase o tsitsitseng.
2.Diacetate fiber e na le bonolotshoaro.
Haeba modulus ea pele e le tlase, tlas'a meroalo e menyenyane, likhoele li na le bofokoli bo thata ebile lia fetoha. Kahoo e bontša ts'ebetso e bonolo, e etsang hore letlalo le be le maikutlo a bonolo le a bonolo.
Haeba modulus ea pele e phahame, tlas'a meroalo e menyenyane, fiber e thata ebile e sa tsitsa. Kahoo e bontša ts'ebetso e thata.
3.Diacetate fiber e na le ts'ebetso e babatsehang ea ho tlosa monko.
Hobaneng ha fiber ea acetate e na le ponahalo e ntle?
1.Diacateate fiber e na le khanya e tlase ea perela.
Fiber ea 2.Acetate e na le matla a ho hula haholo.
3.Diacetate e na le 'mala o khanyang le o khanyang le ho potlaka. E na le chromatography e hlaha, moriti o felletseng le o hloekileng oa 'mala le ho potlaka ha mebala.
4.Acetate fiber e na le botsitso bo botle ba dimensional. E na le katoloso e tlase ho metsi. Kahoo lesela le ka boloka botsitso bo botle ba dimensional.
5.Diacetate fiber e na le ts'ebetso e leka-lekaneng e khahlanong le ho senya. E na le ts'ebetso ea anti-staining le ts'ebetso e bonolo ea ho hlatsoa bakeng sa lerōle, letheba la metsi le letheba la oli.
Nako ea poso: Dec-07-2022