Haeba moreki oa hau e le motho ea chesehelang lipapali tsa lipapali, ho kanna ha se be le lisebelisoa tse betere ho feta EVA tse hlokomelang lithahasello tsa mantlha tsa balateli ba bangata.
Ha u fetisetsa thepa ho tloha sebakeng se seng ho ea ho se seng, tahlehelo e tsoang ho ho tsubella le tšusumetso e ke ke ea qojoa.Leha ho le joalo, o ka fokotsa phello ena ka ho sebelisa foam ea EVA e kentsoeng haholo 'me u tlise thepa ena sebakeng sa hau sa mefuta-futa ea li-staples, limmete tsa yoga, liteki, lipache tse sireletsang, "lihlomo tse hlometseng", helmete......
EVA, phela bophelo bo botle, sireletsa bophelo ka polokeho.
EVA, ethylene-vinyl acetate, e tsejoang hape e le poly (ethylene-vinyl acetate, PEVA), ke copolymer ea ethylene le vinyl acetate.Mabapi le ho feto-fetoha ha maemo, e haufi le elastomer, kahoo hangata e tsejoa e le rabara e atolositsoeng, foam ea EVA, le rabara e foamed.E ka sebetsoa joalo ka thermoplastics, e nang le maemo a holimo a ho kopanya lik'hemik'hale, e leng se bakang lihlahisoa tsa lisele tse koetsoeng tse thata tse nang le meaho e metle, e ts'oanang ea lisele.
Boima ba peresente ea vinyl acetate hangata bo fapana pakeng tsa 18% le 40%, 'me e setseng e le ethylene.Ho ipapisitse le metsoako ea ts'ebetso ea tlhahiso, maemo a fapaneng a boima ba EVA a ka fumanoa.Ho bohlokoa ho nahana ka boemo ba ho thatafala ha EVA ha e boele e bopehile ka mor'a khatello e tsoelang pele.Ha e bapisoa le EVA e thata, EVA e bonolo e na le khanyetso e fokolang ea abrasion le bophelo bo bokhutšoanyane ba outsole, empa boiketlo bo phahameng.
EVA foam e na le mefuta e mengata ea thepa e ntle:
Ho hanyetsa mongobo (ho monya metsi a tlase)
ho leleka lik'hemik'hale
Ho monya molumo le ho koala molumo
Ho thothomela le ho monya ho tsukutleha (stress crack resistance)
Ho feto-fetoha ha moralo
Ho hanyetsa boemo ba leholimo (bothata bo tlase ba mocheso, ho hanyetsa mahlaseli a UV)
e thibelang mocheso, e thibela mocheso
buffer
damping
Karolelano e phahameng ea matla ho boima ba 'mele
bokahodimo bo boreledi
Plasticity, ductility, thermoplasticity, joalo-joalo.
|Mokhoa oa tlhahiso ea EVA
Ts'ebetso ea tlhahiso ea thepa ea foam ea EVA e kenyelletsa pelletizing, ho kopanya le ho foam.Resin ea EVA e sebetsoa ka likaroloana tse nyane tse lekaneng, ebe ka tekanyo e itseng, likaroloana tsena li tsoakoa le li-additives tse ling le mefuta e fapaneng ea ho hlahisa lisebelisoa tse fapaneng tsa foam ea EVA. Joalo ka thepa ea foam e hlophisitsoeng ea EVA, lisebelisoa tsa mantlha ke EVA, filler, foaming. moemeli, sekoahelo sa borokho, accelerator e phophomang leeba, setlolo;lisebelisoa tse thusang ke antistatic moemeli, lelakabe retardant, ka potlako folisa moemeli, colorant, joalo-joalo The a khetha foaming additive le catalyst motsoako etsa qeto ea segokanyipalo sa eona, ho thatafala, 'mala le thepa ea matsapa.Hona joale bahlahisi ba ntse ba etsa li-ultralight, conductive, antistatic, shock resistant, antibacterial, fireproof le biodegradable formulations bakeng sa merero e khethehileng.
Mochine o chesang oa terata bakeng sa EVA
Nako ea poso: Sep-15-2022