Isakoshi yo gupakirahamwe na BOPA // Imiterere ya LDPE ikoreshwa cyane mugupakira ibirungo n'imigano.BOPA // LDPE imifuka yatetse mubyukuri ifite ibyangombwa bisabwa bya tekinike.Nubwo igipimo runaka cyinganda zoroheje zishobora gukora imifuka yatetse, ubwiza nabwo ntiburinganiye, kandi bimwe bizagira ubwiza bwicyiciro.ikibazo.Hano, iyi mpapuro isesengura ingingo zingenzi mubikorwa byo gukora BOPA // LDPE imifuka yatetse.
A. Guhitamo ibikoresho
1. Guhitamo firime ya BOPA
OwBow phenomenon ya nylon film
Filime ya BOPA irashobora gukorwa nuburyo bwo kurambura tubular cyangwa uburyo bwo kurambura indege biaxial.Filime ya nylon yerekanwe na Biaxically yakozwe muburyo butandukanye igira ingaruka zitandukanye zumuheto, zigira ingaruka zikomeye kumyandikire yukuri ya firime hamwe nuburinganire bwumufuka wapakira (harimo no kugaragara hejuru yimifuka mbere na nyuma yo guteka).
Uburyo bwihariye bwo kumenya ingaruka zo kunama za firime ya nylon ni ugupima kugabanuka k'ubushyuhe bwa diagonal.Turashobora kandi kugerageza igipimo cyo kugabanya ubushyuhe butose bwa firime ya nylon dukurikije imiterere nyayo yimifuka yatetse (nka 100 ℃, 30min).Gutoya itandukaniro riri hagati yubushyuhe bwa diagonal igabanuka, nibyiza kuringaniza ibicuruzwa;1.5%, ntihazabaho inguni yo gukora mugihe cyo gukora imifuka.
Variety Ubwoko bwo gutanga isoko
Filime ya BOPA igabanijwemo ubwoko bubiri: icyiciro cyo gucapa nicyiciro cya compte.Urwego rwo gucapa rushobora gukoreshwa mugucapa no gutunganya ibintu.Urwego rwo guhuriza hamwe rusabwa gusa kubikorwa byo guhuriza hamwe bidasaba gucapa.Ubunini muri rusange ni 12 mm, 15 mm, 25 mm ebyiri zihariye.15μm yo gupakira ibintu byoroshye, firime 25mm yo gukonjesha imiti ya aluminiyumu.Filime ebyiri ya corona igomba gukoreshwa mugihe ikoreshwa muguhuza interineti no muguteka no guteka.
EyKomeza ibisabwa bya firime ya BOPA
a.Niba uburinganire busabwa buri hejuru, firime irambuye hamwe ningaruka ntoya igomba guhitamo.
b.Ubuso bwa firime ni ≥50mN / m kugirango wizere ko wino yihuta.Agaciro ko gutunganya ntabwo nini nini nziza.
c.Hitamo firime ihuza neza nubushyuhe bugereranije kugirango urebe neza neza.
d.Hitamo ubwoko bwa firime hamwe nigipimo gito cyo kugabanya ubushyuhe bwumuriro (igipimo cyubushyuhe bwo kugabanuka).
2. Guhitamo ubushyuhe bwa kashe ya PE
Itandukaniro riri hagati yimifuka yatetse PE na PE isanzwe: strength imbaraga nziza zo gufunga ubushyuhe;Ubushyuhe bwiza bwo gufunga ibicuruzwa;Quality Ubwiza buhamye bwo gufunga ubushyuhe;Gukorera mu mucyo, nta mazi agaragara;.Ibintu bitatu byambere biranga ubuziranenge bigenwa cyane cyane na pellet ya buri gice cya firime ya PE mugihe cyo guhuha.
3. Guhitamo wino yo gucapa
Inkingi zidasanzwe za polyurethane zikoreshwa mubucapyi bwa nylon: series Benzene idafite na ketone;② Benzene-yubusa hamwe na ketone-yubusa.
Mugihe uhisemo wino yo gucapa, witondere:
Guhitamo uburyo bwo kurwanya ibara ryerekana amabara, nka F1200 umutuku, 1500 umutuku, F1150 umutuku, F2610 zahabu itukura, F3700 orange, F4700 yumuhondo wo hagati hamwe nandi mabara ya wino ya polyurethane, byerekanwe mubitabo ko bidashobora gukoreshwa kuri BOPA / PE Icapiro rya firime yatetse, amabara amwe ntashobora kwihanganira gutekwa, kandi ibikoresho byamabara biroroshye gusohoka mugihe amazi yatetse.
Wino Inzahabu na feza bigomba gukoreshwa ubwitonzi.Kuri wino ya zahabu na feza, uruganda rwa wino ntirusaba kuyikoresha muguteka mumabwiriza, ariko imifuka imwe ipakiye kumasoko ikoresha amabara ya zahabu na feza.Imyitozo rusange ni ukugisha inama uruganda rwa wino kugirango rutegure mbere yo gusaba, kandi nanone Witondere kudacapisha amabara manini.
Filime ya nylon igomba kuba ifite wino nziza yihuta, kugirango tumenye imbaraga zanyuma zigice cya wino.
4. Guhitamo ibifatika
Hitamo igiti gishobora kwihanganira kubira, kandi urebe urwego rwo guhuza no gukira nyuma yo guteranya.Byongeye kandi, kole ishaje igomba gukoreshwa ubwitonzi (muri rusange igomba kwirindwa), kubera ko igipimo cyiza cyumukozi mukuru hamwe nitsinda ryabakozi bakiza mugisubizo cya kole nticyigeze kiringaniza mugihe cyo gushyiramo kole ishaje, hamwe na kole. urwego rushobora gukama ibintu.
5. Ibisabwa byujuje ubuziranenge kuri Ethyl acetate
Amazi na alcool muri Ethyl acetate (ntabwo ari Ethanol gusa, ahubwo nibiri muri methanol na isopropanol bigomba kugenzurwa) bizagira ingaruka kumiti ikiza kole, kandi imiti ikiza izakoreshwa, bikavamo ibintu byerekana ko urwego rwa kole ntabwo yumye.Imwe mumpamvu nyamukuru zitera inkari ya reberi yumufuka.
B. Uburyo bwo gucapa
1. Guhitamo ubwoko bwa wino yihariye
Yakozwe ukurikije ubwoko bwa wino yagenwe nibikorwa.Kurugero, wino zimwe zandi mabara ntabwo zikwiranye na BOPA // PE icapa.
2. Iyo wino ishaje yongeye gukoreshwa, ni ngombwa kongeramo irangi rirenga 50%, kandi wino yangiritse ntishobora gukoreshwa.
3. Iyo bibaye ngombwa, igipimo runaka cyo gukiza gishobora kongerwa kuri wino yera
Hariho intego ebyiri zo kongeramo igipimo runaka cyo gukiza imiti kuri wino yera: imwe ni ukunoza ubushyuhe bwa wino;ikindi ni uguhagarika ikoreshwa ryumuti ukiza hamwe nitsinda rya resin muri wino kandi ukirinda gukira kutuzuye kwifata ryizuba mugihe cyizuba.
Ongeraho uburyo: Koresha mbere ya solvent, hanyuma ubishyire kuri wino mugihe uzunguruka buhoro buhoro kugeza bivanze neza.
Uburyo butari bwo: ongeramo mu buryo butaziguye umukozi ukiza muri wino, cyangwa wongere muri tray ya wino, itazavanga kimwe, ariko ntizagera ku ngaruka zo kongeramo imiti ikiza.
Byongeye kandi, witondere kugihe: igihe gikwiye ni amasaha 12, kandi nijoro umuti wo gukiza wino wararangiye, cyangwa umubare munini wumuti ukiza ugomba kongera kongerwamo.
4. Gucunga neza ubuhehere bwa nylon membrane
Nylon ikurura ubuhehere, kandi ikunda guhungabana, impande zihengamye, imirongo, amabara atoroshye, no kwandikisha amabara adahwitse mugihe cyo gucapa.
Iyo icapiro, nibyiza kugenzura ubushyuhe nubushuhe bwamahugurwa yumusaruro.Iyo ubuhehere bwamahugurwa yumusaruro burenze 80%, firime ya nylon iroroshye gukuramo ubuhehere no kuzamuka, bigatera urukurikirane rwibibazo byubuziranenge bwibicuruzwa.
By'umwihariko, witondere ibintu bikurikira: ① Ntukingure paki hakiri kare mbere yo kuyikoresha.② Gerageza kuyikoresha icyarimwe, hanyuma uzenguruke firime isigaye hamwe nibikoresho bifite inzitizi nziza.③ Iyo icapiro, itsinda ryambere ryamabara ntabwo riri kumurongo wa plaque, kandi ryumye mbere.Menya neza ubushyuhe bwuzuye (25 ℃ ± 2 ℃) nubushuhe (≤80% RH) mumahugurwa yumusaruro.Film Filime ya nylon yacapwe igomba kuba yuzuyemo firime idafite ubushyuhe.
C. Inzira yumye
1. Guhitamo ingano ya kole
Ingano isanzwe yo gufunga: 2.8 ~ 3.2gsm, ingano yo gufunga cyane nta busobanuro ifite ku mbaraga zo gukuramo, ariko byongera umutwaro wo kumisha.Kubikoresho bikomatanya bifite ubushobozi bwo gukama bidahagije, bizongera amahirwe yo gusiba no kumena imifuka nyuma yo guteka.
Mugihe umenye ingano ya kole, witondere byumwihariko ihinduka ryibintu byamazi mbere na nyuma ya firime ya nylon inyuze mumurongo wumye, bigira ingaruka kumyumvire ya kole!
Iyo dukora imifuka itetse, ntitugomba kureba gusa ingano ya kole, ahubwo tugomba no kwitondera uburinganire bwa microscopique bwo gufatira hamwe.Ibipimo bya mesh roller bizagira ingaruka kuburyo butaziguye kuri microscopique ihwanye neza.
2. Ibisabwa by'ubushuhe bwa Ethyl acetate
Ubwiza butujuje ubuziranenge bwa Ethyl acetate (nk'ubushuhe burenze urugero n'inzoga) akenshi biganisha ku mpanuka ziteye ubwoba ziterwa na membrane.
Inzoga ziri muri Ethyl acetate akenshi ntizikurura ibitekerezo byinganda zipakira byoroshye.Ikizamini cya Ethyl ester (barrel solvent) yikigo cyoroshye cyo gupakira cyasanze ibicuruzwa bimwe gusa byujuje ubuziranenge nibicuruzwa bibiri byo mucyiciro cya mbere mubice 14.Ubwiza ni bubi, kandi uruganda rworoshye rugomba kwitondera.
3. Menya neza ko ibifatika byumye
Mubisanzwe twitondera gusa ingano ya kole.Mubyukuri, kumisha bidahagije akenshi niyo nyirabayazana yo gukiza kutuzuye kwifata (kutagira ubushyuhe budahagije bwurwego rufatika), gusiba no gukuna imifuka ipakira iyo itetse.Hariho amazi make n'umwanda wa alcool muri kole yateguwe.Kuma neza birashobora gutuma ubushuhe hamwe nibindi byanduye biri murwego rwa kole bihindagurika cyane bishoboka, kandi bikagabanya ikoreshwa ryumuti ukiza murwego rwa kole.Kugirango umenye neza ko ibishishwa byumye mugihe cyo guhuza byumye, witondere ingingo zikurikira:
.
(2) Gushiraho ubushyuhe bwumye.
SettingGushiraho ubushyuhe bwumye muri zone ya mbere.Ubwinshi bwa Ethyl ester yibikoresho byumye muri zone ya mbere nuburebure, bityo ubushyuhe bwumye bwa zone ya mbere ntibushobora gushyirwaho cyane (muri rusange ntiburi hejuru ya 65 ° C).Kubera ko ubushyuhe buri hejuru cyane, ibishishwa hejuru yubuso bwumuti bihindagurika vuba kandi uruhu rukabuza guhunga igishishwa cyimbere mugice cyumye mubice byanyuma.
Kuma ubushyuhe bukabije.Ubushyuhe bw'itanura bugomba gushyirwaho hakurikijwe amategeko yo kwiyongera gahoro gahoro gahoro gahoro, ikigamijwe nukwihutisha ikwirakwizwa no guhindagurika kwifumbire mvaruganda ifata ahantu hakomye hamwe n’ahantu hatarimo impumuro, no kugabanya ibisigazwa bya firime muri firime.
(3) Guhindura uburyo bwo gufata no gusohora umwuka mwinshi.
①Mu gice cyo guhumeka cyibikorwa byo kumisha, imyuka yinjira n’umwuka mwinshi bigomba gufungurwa kugeza hejuru, kandi indege yo kugaruka igomba gufungwa.
②Mu gice cyumutse cyumutse hamwe n’ahantu ho kurandura impumuro, ubwinshi bwumwuka wo kugaruka burashobora kwiyongera muburyo bukwiye, bushobora kubika ingufu zikoreshwa.
4. Ingaruka yubushyuhe bwibidukikije nubushuhe
Igihe cy'ubushyuhe bwo hejuru n'ubushyuhe bwinshi mu gihe cy'izuba ni igihe cyo guhura kenshi n'impanuka nziza ziterwa na polyurethane igizwe n'ibice bibiri byumye byumye-bitunganijwe neza.Nk’uko uruganda rufata, 95% byibitekerezo byiza byakiriwe mu cyi ntaho bihuriye nigiti gifatika.bifitanye isano.Mubidukikije byubushyuhe bwinshi nubushuhe bwinshi, amazi yo mu kirere ni menshi cyane, kandi biroroshye kwinjira mu kayira kanyuze mu guhindagurika kwa acide acike kugira ngo ukoreshe imiti ikiza, ku buryo igipimo cy’umukozi mukuru wa ibifatika hamwe nu muti wo gukiza ntaringaniza, bikavamo gufatira nyuma yo gukira.Igice cyo guhuza no gukiza nticyuzuye, kandi gusiba no kubyimba bigaragara iyo bitetse mumazi.
Ibigo byoroshye gupakira bidafite ibyangombwa byo kugenzura ubushyuhe nubushyuhe bwamahugurwa bigomba kwitondera ingingo zikurikira mugihe cyizuba ryinshi nubushyuhe bwinshi:
YKumenya ubushyuhe bwibidukikije nubushuhe hamwe nubushyuhe buri hejuru ya trayike ya plastike na barrière solvent, birashobora kwirindwa ikibazo cy "ikime".Iyo "ikime kimaze" kibaye, bivuze ko ubwinshi bwamazi yo mu kirere yinjira muri trayike ya plastike, kandi biroroshye cyane ko reberi yumye.
Bag Imifuka yatetse igomba kwirinda ibihe by'ubushyuhe bwo gutunganya ibice mugihe cyo gutunganya umusaruro.
Indobo ya Ethyl acetate hamwe nindobo yo kuzenguruka ya kole ikoreshwa muguhuza bigomba gutwikirwa no gufungwa.Niba igice cya plastike gifunze cyakoreshejwe, ingaruka zubushuhe bwibidukikije zirashobora kugabanuka.
5. Ibisabwa byo gukura
Ubusanzwe gusaza: ubushyuhe 50 ~ 55 ℃, amasaha 48.
Byongeye kandi, witondere uburinganire bwo gukiza umuzingo wa firime yose: ① niba ubushyuhe bwerekanwe bujyanye nubushyuhe nyabwo hafi ya firime ya firime (ubushyuhe nyabwo bwibice byo hejuru, hepfo, ibumoso, niburyo bwa firime umuzingo);② niba umwuka uri hafi ya firime ishobora kugera kuri convection nziza;Hejuru yubuso Ingaruka yubushyuhe mukiza: Hariho inzira runaka yo guhererekanya ubushyuhe, niba imiterere yo gukiza ya firime yibanze ihuye nibisabwa.(Ibi birashobora kuba ikintu gikomeye mubyiza bidahuye.)
D. inzira yo gukora imifuka
Imbaraga zo gufunga ubushyuhe bwumufuka utetse nibyiza, kandi cyane cyane, ubwiza bwicyiciro cyose burasabwa guhagarara neza, nka: ① ntakintu kibi gifatika;② ntamuntu numwe udasanzwe wo gufunga ibintu mubice byose.
Mugihe ukora ibikapu bipfunyitse, witondere ingingo zikurikira:
① Ukurikije uburyo bwo gushiraho ikimenyetso, shyira hejuru yubushyuhe buke bwo hejuru kugirango wirinde ikintu cyiza cyo gufunga ubushyuhe butajegajega bitewe no gutandukana kwubugari bwa firime.
② Mugihe cyumusaruro usanzwe, gufunga inkombe bigomba kwemeza inshuro eshatu zifunga ubushyuhe.Iyo imashini yazimye hanyuma ikongera gufungura, ubuso bwigice cyashyushye kanda rimwe cyangwa kabiri birashobora gukonjeshwa iyo byongeye gukingurwa (gukanda bwa mbere bishyushye bishobora kugira uruhare gusa mubushuhe), na umubare nyawo wo gufunga ubushyuhe bukubye kabiri gusa Kubwibyo, birakenewe kandi gushyiraho ubushyuhe bwo hejuru bwo gufunga ubushyuhe (gufunga ubushyuhe birashobora kuba byiza nyuma yinshuro ebyiri zo gukanda), kugirango wirinde umubare muto wo gufunga nabi phenomenon iyo imashini yazimye hanyuma ikingura.
③ Byinshi mu bikapu bitetse ni ibipfunyika byamazi, bisaba kwihanganira kugabanuka kwinshi kumifuka.Irinde gukata inkombe zifunze ubushyuhe mugihe cyo gukora imifuka, cyane cyane inkombe yicyuma gifunga ubushyuhe ntigomba kuba ikarishye cyane, kandi igomba gutondekwa cyangwa gusya neza..
E. Ibisabwa
1. Guhagararira icyitegererezo
HenIyo icyitegererezo cya mbere cyemejwe, ubwinshi bw'icyitegererezo gikomeza kigomba gupfukirana uburebure bw'icyuma cyose gifunga kashe, kugirango wirinde neza ikibazo cyo gufunga igice kimwe no kubura ubugenzuzi.
AmpIcyitegererezo ni ugufata ibyitegererezo nyuma yo gukemura nibisanzwe, ugahindura ubushyuhe bwo gufunga ubushyuhe, umuvuduko, numuvuduko wimashini, hanyuma ukongera ukabyemeza nyuma yo gusimbuza firime.
2. Imikorere yubushyuhe bwa kashe yerekana imbaraga nuburyo bwo guca imanza
MethodUburyo bukwiye nugukata ubushyuhe bwafunzwe nubushyuhe bwumufuka mukigero gito cya 20-30mm hanyuma ukagitanyagura mucyerekezo cya perpendicular kumurongo.
HereNtibikwiye kubaho ko ubugari burenze 2mm bushobora gucika imbere imbere yikimenyetso.Bitabaye ibyo, imbaraga zujuje ibisabwa mugihe cyo kwipimisha kuri mashini, ariko ubushyuhe bwo gufunga ubushyuhe ntabwo bwinjizwa rwose, bigatuma kugabanuka gukomeye kwingufu zifunga mugihe cyo guteka hamwe nikintu cyo kumena imifuka kubera guteka.Iyo umufuka utandukanijwe nu ntera iri hagati yimiterere ibiri yimbere ya PE kuruhande rwa kashe nyuma yo gutekwa mumazi, ni ikibazo cyuko inkombe yo gufunga ubushyuhe idakomeye.
3. Ingingo z'ingenzi z'ikizamini gitetse
(1) Uburyo bwo gutoranya
① Nyuma yimashini yipimisha igikapu yatetse nibisanzwe, umugenzuzi azahitamo kandi akomeze guhitamo imifuka yintangarugero kuri buri murongo mumifuka yimashini yipimisha (umubare wicyitegererezo gisabwa kugirango uburebure bwicyuma gifunga), hanyuma utware hanze ikizamini kibira nyuma yo gufungwa namazi.
HenIgihe cyo gutoranya imifuka irenze imwe, koresha akamenyetso kugirango ushire akamenyetso neza mumufuka hamwe nicyerekezo cyibumoso nicyerekezo kugirango umenye neza aho icyuma gifunga aho ubushyuhe budashyitse.
③ Iyo uburyo busanzwe bwo gukora butangiye guhinduka cyane, nkumuvuduko wimashini, guhindura ubushyuhe, nibindi, birakenewe ko twongera kwigana ikizamini kibira.
④ Nyuma ya buri mwanya, re-sampling igomba gufatwa kugirango ikizamini cyo guteka.
Gutandukanya no gukemura ibicuruzwa bitujuje ibyangombwa biboneka mubikorwa mugihe.
(2) Ibizamini
Ut Shyira 1/3 kugeza kuri 1/2 cy'amazi mumifuka ipakira, hanyuma ugerageze guhumeka umwuka mugihe ufunze.Niba umwuka mwinshi urimo, biroroshye gutera urubanza rudakwiye.Umupfundikizo wongeyeho mugihe cyo guteka kugirango wongere gato umuvuduko mumufuka.
TimeIgihe cyo guteka kigengwa nuburyo umukiriya akoresha, cyangwa ukurikije ibipimo ngenderwaho bijyanye.
(3) Ikizamini cyo kwipimisha
No Nta minkanyari muri rusange cyangwa igice cyangwa gusiba hejuru yumufuka;imbaraga zishishwa zigaragazwa no kumva intoki nyuma yo guteka.
Wino Icapiro ntigira ibara cyangwa kuva amaraso;
③ Nta kumeneka no kumena imifuka;nta kintu kigaragara cyo kwiruka kigaragara ku kashe (ubugari bwiruka bugenzurwa muri 2mm).
Igihe cyo kohereza: Gicurasi-05-2022