Hangata polyester e bua ka motsoako o phahameng oa limolek'hule o fumanoang ke polycondensation ea dibasic acid le dibasic alcohol, 'me lihokelo tsa eona tsa motheo tsa ketane li kopantsoe ke li-ester bond.Ho na le mefuta e mengata ea likhoele tsa polyester, tse kang polyethylene terephthalate (PET) fiber, polybutylene terephthalate (PBT) fiber, polypropylene terephthalate (PPT) fiber, joalo-joalo har'a tsona, likhoele tse nang le polyethylene terephthalate tse fetang 85% ke tsona tse ka sehloohong. 'me boima ba limolek'hule ka kakaretso bo laoloa pakeng tsa 18000 le 25000. Sebopeho se seholo sa limolek'hule ke ka tsela e latelang:
1. Polyester (PET) fiber
Lipatlisiso tsa polyester li qalile lilemong tsa bo-1930.E qapiloe ke batho ba Brithani ba kang whinfield le Dickson.Ka 1949, e ile ea etsoa liindasteri Brithani le ka 1953 United States.Ke sehlahisoa sa mefuta e meholo ea likhoele tsa maiketsetso tse hlahisitsoeng morao, empa li ntlafalitse kapele.
Boima ba limolek'hule tsa polyester ke 18000 ~ 25000, 'me tekanyo ea polymerization ke 100 ~ 140. Li-macromolecule li na le sebopeho sa lik'hemik'hale tse lekanang.Tlas'a maemo a loketseng, li-macromolecules li bonolo ho etsa likristale mme sebopeho sa fiber se kopane.Li-macromolecules tsa polyester li na le mehele ea benzene, eo ha e le hantle e leng li-macromolecules tse thata.Ka nako e ts'oanang, li boetse li na le liketane tsa aliphatic hydrocarbon, tse etsang hore limolek'hule li tenyetsehe.Ha ho na lihlopha tse ling tsa polar ka har'a macromolecule haese lihlopha tse peli tsa joala tse felisitsoeng ke hydroxyl.Ka litaba tse phahameng tsa ester, hydrolysis le ho phatloha ha mocheso ho tla etsahala ka mocheso o phahameng.Polyester e qhibilihisoa.Karolo ea eona ea sefapano e chitja, tataiso ea eona ea longitudinal ke molamu oa khalase, 'me boima ba eona ke 1.38 ~ 1.40g/cm3.
China, fiber e nang le polyethylene terephthalate e kholo ho feta 85% e bitsoa polyester, e tsejoang ka hore ke "Dacron".Ho na le mabitso a mangata a thepa a tsoang linaheng tse ling, a kang “Dacron” United States, “tetoron” Japane, “terlenka” United Kingdom, le “lavsan” naheng eo pele e neng e le Soviet Union.
2. Fiber ea cationic dyeable polyester (CDP).
Modified polyester (CDP) e ka dauoa ka lidae tsa cationic ka ho hlahisa lihlopha tse nang le asiti tse ka kopanyang lidae tsa cationic liketane tsa limolek'hule tsa PET.CDP e ile ea qalisoa ka lekhetlo la pele ke k'hamphani ea DuPont ea Amerika.Qetellong ea lekholo la bo20 la lilemo, tlhahiso ea eona e bile 1/6 ea kakaretso ea tlhahiso ea PET fiber.Mefuta ea eona e tloaelehileng e kenyelletsa dacron t64, dacron T65, joalo-joalo CDP ha e na ts'ebetso e ntle ea ho daea feela, empa hape e ka dauoa ka bateng e le 'ngoe ka likhoele tsa tlhaho tse kang boea, tse loketseng ho nolofatsa mokhoa oa ho daea oa masela a kopantsoeng.Haeba e kopantsoe 'me e kopantsoe le polyester e tloaelehileng, e ka boela ea hlahisa phello e tšoanang ea ho hlapa e fapaneng ea' mala, e matlafatsang 'mala oa masela haholo.Ka hona, CDP e fetohile mofuta o ntseng o hōla ka potlako oa polyester e fetotsoeng.CDP e lokiselitsoe haholo-holo ka ho eketsa monoma oa boraro kapa oa bone, joalo ka sodium dimethyl isophthalate sulfonate (SIPM), ho ketane ea macromolecular ea liphoofolo tse ruuoang lapeng ka copolymerization le graft copolymerization.Ha sehlopha sa sulfonic acid se qosoa hampe se kenyelletsoa ketane ea limolek'hule ea CDP, ha ho daea, li-ion tsa tšepe tsa sehlopha sa sulfonic acid li tla fapanyetsana le li-cations tsa dae, kahoo li-ion tsa dae li tla be li tsitsitse ka ketane ea macromolecular ea CDP.Matsoai a hlahisoang ke ho daea a tla lula a ntšoa ka har'a motsoako oa metsi, 'me karabelo e tla tsoela pele.Qetellong, phello ea ho daea e tla finyelloa.
Ts'ebetso ea tlhahiso ea CDP e tšoana le ea phoofolo ea lapeng, e ka aroloa ka mokhoa o tsoelang pele le oa nakoana.Ka lebaka la mehloli e fapaneng ea lisebelisoa tse tala, CDP e ka aroloa ka tsela ea DMT le tsela ea PTA.CDP e senya sebopeho sa pele sa fiber ka lebaka la ho eketsoa ha lihlopha tse ncha ka har'a ketane ea macromolecular, e fokotsang ntlha ea ho qhibiliha, mocheso oa phetoho ea khalase le crystallinity ea fiber.Sebakeng sa amorphous, sebaka sa intermolecular sea eketseha, e leng se loketseng ho daea limolek'hule tse kenang ka har'a fiber.Matla a CDP a tlase ho feta a polyester e tloaelehileng, empa thepa ea anti pilling ea lesela e ea ntlafatsoa, 'me molamu o bonolo ebile o teteaneng.E ka sebelisoa ho etsa boea ba maemo a holimo joalo ka lihlahisoa.Ho daea ha CDP e tloaelehileng ho ntse ho hloka mocheso o phahameng (120 ~ 140 ℃) le khatello e phahameng kapa tlas'a boemo ba ho eketsa mokhanni, e le hore ho be le thepa e ntle ea ho daea.Ka hona, ha u khetha li-dyes, ho lokela ho hlokomeloa hore li-dyes tse khethiloeng li tlameha ho ba le botsitso bo molemo ba mocheso.
3. Mocheso oa kamore le khatello ea sepakapaka ea polyester (ECDP) fiber
The dyeable polyester ECDP mocheso o tloaelehileng le khatello e ka lokisoa ka ho eketsa palo e nyenyane ea monoma ea bone ha ho etsoa polymerization ea liphoofolo tse tloaelehileng.Sena se bakoa haholo ke hore karolo ea ketane e feto-fetohang ea polyethylene glycol e kenngoa ka har'a ketane ea macromolecular ea phoofolo ea lapeng, e etsang hore sebopeho sa limolek'hule tsa fiber e be tse hlephileng le sebaka sa amorphous se seholo, e leng se loketseng ho kenella ha lidae tsa cationic ka har'a fiber le motsoako. ka lihlopha tse ngata tsa sulfonanic acid.Ka hona, e ka dauoa tlas'a khatello e tloaelehileng ea ho belisa maemo a ho daea.Fiber ea ECDP e na le matsoho a bonolo le ho roala hantle ho feta CDP le PET fiber.Leha ho le joalo, ka lebaka la matla a tlaase a tlamo ea karolo ea bone ea monomer polyethylene glycol, botsitso ba mocheso oa ECDP fiber bo fokotsehile, 'me tahlehelo ea matla ea ECDP fiber e feta 30% mocheso oa ironing oa 180 ℃.Ka hona, lesela le entsoeng ka fiber ea ECDP le lokela ho lefshoa ka ho khetheha ka mor'a phekolo, ho hlatsoa le ho ironing.
4. PTT fiber
PTT fiber ke khutsufatso ea polypropylene terephthalate fiber.Batho ba bang kantle ho naha ba bitsa PTT fiber e kholo ea lekholo la 21st, mme lebitso la eona la khoebo ke "Corterra".
PTT, phoofolo ea lapeng le PBT ke tsa lelapa la polyester, 'me thepa ea bona e tšoana.PTT fiber e na le litšobotsi tsa polyester le nylon.E bonolo ho e hlatsoa le ho omella joalo ka polyester, e na le ho hlaphoheloa hantle ha elasticity le crease resistance, 'me e na le khanyetso e ntle ea tšilafalo, ho hanyetsa khanya le ho ikutloa ka letsoho.E na le ts'ebetso e ntle ea ho daea ho feta polyester, 'me e ka dauoa tlas'a khatello e tloaelehileng.Tlas'a maemo a tšoanang, ho kenella ha dae ho PTT fiber ho phahame ho feta phoofolo ea lapeng, 'me ho daea ho tšoana le ho potlaka ha mebala ho molemo.Ha ho bapisoa le nylon, fiber ea PTT e boetse e na le khanyetso e ntle ea ho apara le ho hlaphoheloa ka thata, 'me e na le litšobotsi tsa elasticity e kholo le fluffy e ntle, kahoo e loketse ho etsa lik'hapete le lisebelisoa tse ling.
5. fiber ea PBT
PBT fiber ke khutsufatso ea fiber polybutylene terephthalate.PBT fiber e entsoe ka dimethyl terephthalate (DMT) kapa terephthalic acid (TPA), thepa e ka sehloohong e tala ea polyester, le 1,4 - butanediol.Likhoele tsa PBT li ne li lokiselitsoe ka ho qhibiliha ho ohla ha DMT le 1,4 - butanediol ka mocheso o phahameng le vacuum, ho sebelisa metsoako ea organic titanium kapa tin le tetrabutyl titanate e le li-catalysts.Theknoloji ea polymerization, spinning, post-processing le lisebelisoa tsa fiber ea PBT ha e le hantle li tšoana le tsa polyester.
PBT fiber e na le litšobotsi tse tšoanang le fiber ea polyester, e kang matla a matle, ho hlatsoa habonolo le ho omisa ka potlako, boholo bo tsitsitseng, ho boloka sebopeho se setle, joalo-joalo ntho ea bohlokoa ka ho fetisisa ke hore karolo e tenyetsehang ea ketane ea eona ea macromolecular e telele, kahoo e senya le ho senya. e otlolla, e na le elasticity e ntle, e na le phetoho e fokolang ea elasticity ka mor'a ho futhumatsa, 'me e ikutloa e le bonolo.Molemo o mong oa fiber ea PBT ke hore dyeability ea eona e molemo ho feta ea polyester.Lesela la PBT le ka dauoa ka li-dyes tse qhalaneng tlas'a boemo ba ho belisa ho daea ka khatello ea sepakapaka.Ho feta moo, fiber ea PBT e na le khanyetso e ntle ea botsofali, khanyetso ea lik'hemik'hale le ho hanyetsa mocheso.PBT fiber e sebelisoa haholo ho lipolasetiki tsa boenjiniere, likhetla tsa lisebelisoa tsa ntlo le likarolo tsa mochini.
6. Pene fiber
Pen fiber ke khutsufatso ea polyethylene naphthalate fiber.Joalo ka polyester, pene fiber ke semi crystalline thermoplastic polyester material, eo qalong e ileng ya hlahisoa ke k'hamphani ea KASA ea United States.Ts'ebetso ea eona ea tlhahiso ke ka transesterification ea dimethyl 2,6 - naphthalene dicarboxylate (NDC) le ethylene glycol (mohlala), ebe joale polycondensation;Mokhoa o mong ke esterification e tobileng ea 2,6 - naphthalene dicarboxylic acid (NDCA) le ethylene glycol (mohlala), ebe polycondensation.Botsitso ba mocheso oa pene bo ka ntlafatsoa ka ho eketsa palo e nyenyane ea metsoako e nang le li-organic amines le organic phosphorus.
Mokhoa oa ho ohla oa fiber ea pene o tšoana le oa polyester.Phallo ea ts'ebetso ke: ho omisa chip → ho ohla ka lebelo le phahameng → ho ngola.Kaha mocheso oa phetoho ea khalase oa fiber ea pene o phahame ho feta oa fiber ea polyester, mokhoa oa ho ngola o lokela ho fetoloa ka nepo.Multi pass drafting e lokela ho amohelwa mme mocheso wa ho ngola o lokela ho eketswa ho qoba ho ama boleng ba faeba ka lebaka la lebelo le tsamayang butle la molek'hule.Ha ho bapisoa le polyester e tloaelehileng, fiber ea pene e na le mekhoa e metle ea mechine le ea mocheso, e kang matla a phahameng, modulus e phahameng, ho hanyetsa ho tsitsitseng hantle le ho tiea ho phahameng;Ho hanyetsa mocheso o motle, boholo bo tsitsitseng, ha ho bonolo ho holofala, ho thibela mollo o motle;Ho hanyetsa lik'hemik'hale tse ntle le ho hanyetsa hydrolysis;Ho hanyetsa UV le ho hanyetsa botsofali.
7. Mokelikeli oa polyester o metsi le o omileng
Ka ho fetola sebopeho sa sefapano sa fiber, lekhalo pakeng tsa likhoele tse le 'ngoe le eketseha, sebaka se khethehileng sa sebaka se eketseha,' me phello ea capillary e ntlafatsa haholo conductivity ea eona ea mongobo, e le ho etsa hore ho be le likhoele tse metsi le tse omeletseng tsa polyester.Lesela la fiber le na le conductivity e ntle ea mongobo le ts'ebetso ea ho hasana ha mongobo.E tsamaisana le fiber ea k'hothone le likhoele tse ling tse monyang mongobo hantle.Ka sebopeho sa mokhatlo o utloahalang, phello e molemo.Liaparo li omme, li pholile ebile lia phutholoha.E loketse lipapali tse lohiloeng, lihempe tse lohiloeng, masela a liaparo tsa lehlabula, li-stockings tsa polyester, joalo-joalo.
8. High dehumidification four channel polyester fiber
Du Pont e hlahisitse fiber ea TEFRA - channel polyester fiber e nang le bokhoni bo botle ba ho koala.Ke fiber e phahameng e tsamaisang mongobo e entsoeng ka hydrophobic synthetic fiber, e ka hlakolang mofufutso ho tloha letlalong le fufuleloang haholo ho ea holim'a lesela bakeng sa ho pholisa ho tsoa mouoane.Liphetho li bonts'itse hore peresente ea ho tlosa mongobo oa fiber ea k'hothone e ne e le 52% mme ea fiber ea polyester ea kanale e ne e le 95% kamora 30min.Mofuta ona oa fiber o sebetsa ka ho khetheha liphahlong tsa lipapali le liaparo tsa kahare tsa sesole tse bobebe tse futhumetseng, tse ka bolokang letlalo le omme ebile le phutholohile, 'me li na le ts'ebetso e ntle ea ho boloka mocheso le mesebetsi ea bopaki ba serame.
9. Polyester porous hollow section fiber "wellkey"
Morero oa nts'etsopele ea Wellkey ke ho nka mofufutso oa metsi e le ntho ea ho fihlela mofufutso o felletseng le ho omisa kapele.Wellkey ke fiber e se nang letho ea polyester.Ho tloha ka holim'a fiber, ho na le li-pores tse ngata tse phunyeletsang karolong e sekoti.Metsi a metsi a ka phunyeletsa karolong e sekoti ho tloha holim'a fiber.Sebopeho sena sa fiber se shebana le sekhahla se phahameng sa ho monya metsi le mongobo.Ts'ebetsong ea ho ohla, sesebelisoa se khethehileng sa pore se ile sa kopanngoa le ho qhibiliha ho etsa sebopeho sa fiber.Fiber e na le mekhoa e metle ea ho monya mofufutso le litšobotsi tsa ho omisa kapele, 'me e sebelisoa haholo-holo e le lesela la li-petticoats, lithaelese, liaparo tsa lipapali, lihempe, liaparo tsa koetliso, lijase le liaparo tse ling.Ntle le moo, ka lebaka la melemo ea eona ea ho monya metsi le ho omisa kapele le litšenyehelo tse tlase tsa ho omisa, e boetse e na le menyetla e pharaletseng ea ts'ebeliso libakeng tse sa roaloang le masimong a bongaka le a bophelo bo botle.
10. Litharo tse tharo tsa crimped hollow polyester fiber
Fiber ea crimp ea pele ea likarolo tse tharo e entsoe ka ho sebelisa lipolymer tse peli tse nang le thepa e fapaneng ea ho honyela ka theknoloji e kopanyang ea ho ohla le mokhoa o ikhethileng oa ho etsa pholiso.Ka mor'a ho taka, e ile ea theha crimp ea tlhaho ka lebaka la phapang ea shrinkage.Ts'ebetso ea hajoale ea ho itokisa e hatetse pele haholo, ke hore, e amohela theknoloji e ikhethang e nang le tokelo ea molao ea eccentric spinneret hole design, e kopantsoeng le sistimi ea ho pholisa ea asymmetric le mokhoa o ts'oanang oa ho taka le ho etsa sebopeho, Fiber e lokisitsoeng e na le degree e phahameng ea curl, curl ea tlhaho le e sa feleng. le ho boloka mofuthu o motle.Hajoale, mefuta e tsoetseng pele e kenyelletsa likoti tse 'ne, masoba a supileng kapa esita le masoba a robong a mahlakore a mararo a nang le likhoele tse holofetseng.Litharo tse tharo tsa crimped hollow fiber li sebelisoa haholo masimong a ho tlatsa le a mocheso.
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Nako ea poso: Jun-21-2022