PE inofema membrane imhando nyowani yemvura isina mvura polymer zvinhu. Kubva pakugadzira maitiro, zvinodiwa zvehunyanzvi zvakakwirira zvakanyanya kupfuura izvo zveyakajairwa isina mvura zvinhu. Panguva imwe chete, kubva pamhando yekuona, iyo membrane inofema zvakare ine mashandiro ayo zvimwe zvinhu zvisina mvura hazvina maitiro.

PE inofema firimu chinhu chitsva chiri kukurumidza kukura munyika. Inonzi firimu rinofema. Inoshandiswa zvakanyanya munzvimbo dzakasiyana-siyana nekuda kwekufema kwayo uye kusapinda.

1. Chimiro chePE breathable membrane
Chinhu chikuru chePE chinofema membrane i polyethylene, inova polymer zvinhu zvakagadzirwa kubva ku polyethylene. Mukugadzirwa kwepolyethylene, shoma shoma ye4-carbon kana 8-carbon a-olefin inowedzerwa secomonomer. Nekudaro, nekuti huwandu hwea-olefin hunoshandiswa hushoma, mazhinji emhando yepolyethylene achiri kuchengetedzwa.

Pe inofema firimu yekugadzira mutsara

Polyethene ichena waxy translucent zvinhu, inochinjika uye inonetsa, uye inogona kupatsanurwa kuita yakaderera-density polyethylene (LDPE) uye yakakwirira-density polyethylene (HDPE).

LDPE inogadzirwa kubva ethylene pasi pekumanikidzwa kwakanyanya (98-250mpa), ine density ye 0.91-0.92g / m3. HDPE inogadzirwa kubva ku ethylene polymerized pasi pe 1.0mpa kumanikidzwa, nehupamhi hwepamusoro, kwese kwese 0.94-0.96g/ m3.

Polyethene haina chepfu uye ine yakanakisa dielectric zvivakwa. Iyo tembiricha yekuchinja kwegirazi ndeye -125 ℃. Polyethene ine yakanakisa kugadzikana kwekemikari, inogona kuramba asidhi uye alkali pane tembiricha yemumba, asi iri nyore kuve oxidized nechiedza nekupisa, uye inogona zvakare kudhindwa pasi pechiedza cheultraviolet. Polyethene zvakare ine yakanakisa michina zvinhu. Iyo crystalline chikamu chinopa polyethylene yakakwirira simba, uye iyo isiri-crystalline chikamu chinopa iyo yakanaka kuchinjika.

2. Zvimiro zvePE breathable membrane
Kuenzaniswa neasingafemeke membranes, PE inofema membranes ine zvinotevera maitiro:
1. Inogona kupinza gasi asi kwete mvura kuitira kuti igone kushandiswa sechinhu chisingapindi mvura uye inodzivirira hunyoro;
2. Inogona kuvandudza zvakakodzera kutenderera kwemhepo munharaunda yemushandisi, iyo inobatsira pakufema kweganda;
3. Nekuda kwehunhu hwayo hwezvigadzirwa, PE inofema membrane chinhu chitsva, chakatenderedza nharaunda uye haisvibise zvakatipoteredza.

3. Maitiro ekuyerera kwePE breathable film
Kubva pamaonero ekugadzira tekinoroji, kune nzira mbiri huru dzekugadzirisa mamembrane anofema: iyo flat film casting nzira uye imwe ndiyo inoputika firimu nzira, iyo nzira yekukanda inonyanya kushandiswa.
Iyo huru yekuyerera kweiyo nzira yekukanda ndeiyi inotevera:
PE raw material + porogen-mixing uye metering-extrusion granulation-extrusion casting-stretching and setting-cooling-trimming-coiling.
Mukugadzirwa kwePET inofema firimu, iyo yekutambanudza maitiro ePE Breathable Film Production Line inopesvedzera zvakanyanya kuita kwemafirimu.
Munguva yekutambanudza, kana simba rekusunga pakati peporogen caco3 zvidimbu uye PE polymer yakatenderedza ishoma pane PE polymer's deformation simba inokonzerwa nekutambanudza, iyo polima inoparadzana nemumicheto yecaco3, zvichiita kuti pave netumwe twudiki. Iyo cavities haigone kubvumira mamorekuru emvura kupfuura, asi mamorekuru egasi chete, kuitira kuti iyo firimu yakatambanudzwa ine basa rekusapinda mvura uye kufema.
Saizi yemugodhi inogona kugadziridzwa zvichienderana nemamiriro ekuita senge saizi, chimiro, nzira yekutambanudza, uye kutambanudza chiyero checaco3 zvimedu.
Kana tembiricha yakatambanudzwa iri pamutengo chaiwo, sezvo chiyero chekutambanudza chinowedzera, iyo PE inofema bhaisikopo yebhaisikopo inowedzera, uye kufema kwemhepo kunowedzera, nepo kutambanudza kunowedzera kunowedzera; sezvo ukobvu hunowedzera, mhepo inopera inoderera.

4. Matambudziko uye matanho anowanzosangana mukugadzirwa kwePE inofema firimu.

1 Komboni yacho haina kusimba
Iyo inoumbwa simba yePE inofema firimu yakadzikira zvakanyanya kana zero, isingakwanise kuzadzisa zvinodiwa nevatengi zvachose, zvichikonzera kubviswa kwechigadzirwa. Nekuda kwekusarudzika kwePE inofema firimu yekugadzira maitiro, kuderera kwepasi tension, yakakwirira inotsvedza ejenti yemukati, uye kusvibiswa kwepasi kunogona kutungamira kune isina kusimba macomposites.
Kuderera kwepasi pasi
Mumamiriro ezvinhu akajairwa, iyo PE inofema firimu's pamusoro tension yekuomesa musanganiswa inofanira kunge iri pamusoro pe38 dyn/cm isati yashandiswa.
Iyo tsika yakaratidza kuti kana iyo yepamusoro tension kukosha kwePE breathable membrane yakaderera pane 38dyn / cm, inogona kukonzera chiitiko cheyakaderera composite simba. Pazasi pe36dyn/cm, iro rakasanganiswa simba richave rakaderera zvakanyanya kana zero.
Panguva imwe chete, iyo inoumbwa simba ine hukama zvakare nehupamhi hwePE inofema firimu. Kana iri isingasviki 30 microns, inogona kunge isina kuumbwa mufashoni ye36-38dyn/cm. Kana ukobvu huri 30-50 microns, uye iyo yepamusoro tension kukosha iri 37dyn/cm, iyo inoumbwa chimiro inoonekwa. Zvakadai seOPP/PE, iyo yakasanganiswa mhedzisiro inogona kusangana nezvinodiwa. Asi kana ukobvu hwakakura kupfuura 50 microns, hazvigoneke kana ukobvu huri pasi pe38dyn/cm.
Heano akawanda seti yedata yereferensi:
Iko kusimba kwepamusoro kwePE inofema membrane yakakura kana ichangogadzirwa, asi nekufamba kwenguva, kukosha kwekushushikana kwepamusoro kunoderera zvishoma nezvishoma. Kazhinji, iyo PE inofema membrane inogona kuchengetwa kwemwedzi 3-6, asi inogona kuchengetwa kwemwedzi 3-6 muzhizha. Nguva yekuchengetedza mumwaka wemvura yakanakira kusapfuudza mwedzi miviri.
Tsika iyi yakaratidza kuti iyo PE inofema firimu's surface tension value ine hukama hwepedyo nehukobvu hwayo uye nharaunda yakatenderedza. Iyo yakakwirira tembiricha yezvakatipoteredza uye hunyoro, iyo inokurumidza tension kukosha kwepamusoro inodzikira, uye kukora kwefirimu, ndiko kukurumidza kuderera.
Naizvozvo, iyo PE inofema firimu kuiswa hakufanirwe kudarika mwedzi mitatu, kunyanya mumwaka wekunaya. Kunyanya kutarisisa kunofanirwa kubhadharwa kune kufefetedza uye kufefetera kwenzvimbo yekuchengetera kana nguva yekuchengetedza yakarebesa nekuda kwechimwe chikonzero, kana uchishandiswazve, mukuwedzera kune roll-by-roll yekuongorora, zvinodikanwa kunyatso funga kana kuramba uchishandisa chigadzirwa chakaumbwa zvinoenderana nechinangwa chechigadzirwa chakasanganiswa, kudzivirira kurasikirwa.

Kufurira kwezvinowedzera
Kana PE inofema firimu ikaumbwa kuita bhaisikopo, zvimwe zvekuwedzera, senge antistatic agents, slip agents, uye antistatic agents, zvinowanzodiwa kuti zviwedzerwe zvinoenderana nekushandiswa kwayo.
Izvi zvinowedzera hazvina kumira mushure mekugadzirwa kwefirimu kana kusanganiswa, kunyanya mashizha anotsvedza, ayo anowanzo shandisa erucamide kana oleamide.
Pane zvikonzero zviviri zvekudzikira kwesimba remubatanidzwa nekuda kweanotsvedza vamiririri:
① Mushure mekunge iyo PE inofema firimu yaiswa kwenguva pfupi, iyo inotsvedza inotamira kune iyo PE inofema firimu pamusoro kuti igadzire ganda rakaonda. Iyi gobvu dhizaini inovharira kusungirirwa kweanonamira uye PE inofema firimu hunhu, zvichiita kuti bond itadze kupindirana nePE inofema firimu pamusoro. PE molecules inosangana, iyo yekutanga yekubatanidza adhesion haina kudzika, sezvo nguva yekurapa inowedzera, iyo yakasanganiswa simba haina kuchinja zvakanyanya, uye iyo yakasanganiswa simba inogara yakaderera kana zero.
Iyo yakakwira-inotsvedza PE inofema firimu inofanirwa kushandiswa kune zvakakosha zvinodiwa, uye haifanirwe kusiiwa kwenguva yakareba mumamiriro ezvinhu akajairwa. Kana iyo PE breathable membrane inoshandiswa kwenguva yakareba nokuda kwechimwe chikonzero, zvakanakisisa kuisa PE inofema membrane pakupisa kwe60-70 ℃ kwemaawa anopfuura 8 isati yasangana. Panguva ino, mumiriri anotsvedza anotadza zvishoma, saka enda zvakare panguva ino. Laminating haina dambudziko reyakaderera composite simba, asi PE inofema membranes haisisina yakakwira slip zvivakwa.
②Kusungirirwa kwekutanga kunogamuchirwa, asi sezvo nguva yekurapa inowedzera, simba rinosanganiswa rinova rakaderera uye rakaderera, uye chinhu chichena chehupfu chinowanikwa pakati pezvikamu zviviri.
Izvi zvinodaro nekuti yakakwira-inotsvedza PE mbishi zvinhu zvinoshandiswa mukugadzirwa kwePE inofema firimu. Nekuda kweiyo inotsvedza yakakwira zvirimo mubhaisikopo, kufamba kweanotsvedza ejenti mamorekuru mufirimu kunowedzera panguva yekurapa pakupisa kwakanyanya (40-50 ℃). Nhamba huru yema slip agent mamorekuru anotamira kumativi ese efirimu. Sezvo nguva inowedzera, kuwanda kwekutamira kumusoro zvishoma nezvishoma kunowedzera. Kutama kwayo kunoparadza maitiro ekubatana kwemuviri pakati peanonamira uye PE mamorekuru uye anoumba. Simba rezvisungo risina simba rinoparadzwa. Iyo yakareba nguva, iyo yakasimba simba rinoparadza uye inoderedza simba rinoumbwa.
Muchiitiko ichi, kuwedzera tembiricha yekurapa kunowanzo gamuchirwa kuti ikurumidze kukurumidza-inobatanidza kumhanya kweanonamira kuitira kuti kukurumidza kwekuita kupfuure kumhanya kwekufambisa kweanotsvedza mumiriri kutsiva yakawandisa inotsvedza mumiriri wePE inofema firimu. Negative impact.

Kusvibiswa kwepamusoro
PE inofema membranes kazhinji haina kusvibiswa panguva yekugadzira, asi imwe yacho inoregeredzwa nyore: kusvibiswa kwedyne fluid.
Vazhinji vePE inofema membrane vanogadzira vanoshandisa yakazvigadzirira dyne mhinduro kuyedza kushushikana kwepamusoro kwe membrane. Iyo dyne fluid inowanzo musanganiswa we ethylene glycol monoethyl ether, mvura isina ruvara uye yakajeka. Kana ikasvibiswa netsaona negiyadhi roller nekuda kwekunonoka kwayo kuvhuvhuta, iyo firimu inodzikisirwa kana ichipfuura nemugidhi roller. Iyo dyne solution inopinda mukati mePE inofema membrane uye yakanyatsobatanidzwa nePE mamorekuru. Iyo haiyambuka-inobatana neiyo binder mamorekuru mushure mekusanganiswa, zvichikonzera simba remunharaunda re zero. Mamiriro ezvinhu aya akaoma kuwana mune pre-kuongorora.

2 inosanganisa white point.
Ichi chiitiko chakananga kuitika paPE milky white film; kazhinji, iyo mukaka chena firimu inowedzerwa nehumwe huwandu hwewhite masterbatch: concentrated titanium dioxide. Nekuda kwemhando yakasiyana yerudzi masterbatch, saizi yechikamu uye kuoma kweiyo iri titanium dioxide zvakasiyana, zvichikonzera mhando dzakasiyana dzeiyo milky chena firimu inogadzirwa mushure mekusanganiswa uye kupenya kwakasiyana kwepasi. Kana iyo firimu chena yemukaka inonzwa yakaoma uye ine gomba kubva padivi, zvizhinji zvezvigadzirwa zvakasanganiswa nefirimu rakadaro zvichava nemavara machena. Mhinduro dzenguva dzose dzedambudziko iri ndedzinotevera: Imwe ndeyekuwedzera huwandu hwekunamatira. Chechipiri ndechekudhinda zvakare jira reinki chena. Hazvina mhosva kuti ndeipi nzira inogamuchirwa, mari yacho ichawedzerwa, saka iyo PE firimu inofanira kunyatsoongororwa isati yashandiswa.

3 Mushure mekubatanidza, chigadzirwa chakapedzwa chinova astringent
Ichi chiitiko chakaitika muvagadziri vakawanda. Muchina wekurongedza otomatiki wechigadzirwa chinosanganiswa haufambe zvakanaka, kana bhegi rakagadzirwa rakaoma kuvhura.
Dry componeing inowanzo shandisa maviri-component reactive adhesives, ayo anofanirwa kurapa patembiricha yakakwira mushure mekusanganiswa kuti uwane simba repamusoro remubatanidzwa. Iyo inotsvedza mu PE inofema firimu inoshanduka nekuda kwekuchinja kwekushisa kwekurapa. Pane imwe tembiricha, iyo inotsvedza mumiririri ichaita shanduko yemakemikari uye inorasikirwa nekutsvedza kwayo. Iyo yakakwirira yemamiriro ekunze, iyo inonyanya kukosha musiyano. Iyo yakakura kurasikirwa, chigadzirwa chekupedzisira chichava astringent uye hachigone kushandiswa.

Naizvozvo, tembiricha yekamuri yekurapa inofanirwa kudzorwa zvakanyanya paanenge 40 ℃ uye haigone kuwedzerwa zvisina tsarukano. Zvakare, maererano nekushandiswa kwakasiyana kwechigadzirwa, sarudza zvimwe zvinongedzo kuti udzivise chigadzirwa astringency nekuda kwekusarudzwa kwakashata kwemagiredhi eresin.

4 Chisimbiso chisina kunaka chekupisa
Mushure mokunge musanganiswa wacho unopinda mupurogiramu yekupedzisira inopinda mumaoko emutengi, dzimwe nguva kupisa kwekushisa-kupisa kwenzvimbo kwakanyanyisa, kupisa-kupisa hakuna kunaka, nezvimwewo, izvo zvisingagoni kuponeswa mumatambudziko akaoma. Zvikonzero zvemhedzisiro iyi zvinosanganisira kuparara kwecorona, yakakwira slip agent yemukati, uye kuwandisa kwekuwedzera kwezvinhu zvakadzokororwa.

Kuparara kweCorona
Kana iyo PE inofema firimu inopfuura nepamusoro-voltage discharge roller panguva yekugadzira, inogona kukonzera kuparara kwefirimu nekuda kwezvikonzero zvakasiyana. Chiitiko ichi chinowanzova mutsara welongitudinal, uye nzvimbo yacho inowanzogadziriswa. Iko kukosha kwekumanikidza kwepamusoro kunowanzo kukwirira zvakanyanya. Nekuti chivharo chinopisa chinopisa chinoumba chinhu chine mapoka e polar senge inoumbwa pamusoro, chinhu ichi hachina kuvharika kwekupisa. Naizvozvo, ichashandisa mukugadzira mabhegi kana otomatiki kurongedza. Kuvharwa kwekupisa zvishoma kwakaitika. Iyo PE inofema membrane inowedzera musanganiswa wepamusoro tension kukosha bvunzo chinhu paunopinda mufekitori kuti uongororwe kudzivirira chiitiko ichi.

High slip agent content
Nekuda kwehuwandu hwehuwandu hwekutsvedza mumiriri mukupisa kuvharika kweiyo PE inofema firimu, zvinokonzeresa iyo yakawanda kunaya pamusoro pePE inofema firimu pamusoro kuti iite dense layer, iyo inotadzisa kupisa kuvharwa kwePE inofema firimu.
Izvi zvinogona kuitika kana yakapera PE inofema membrane ikashandiswa. Naizvozvo, zvinodikanwa kuti usarudze akakodzera resin mamakisi zvinoenderana nezvinodiwa nevatengi uye edza kusashandisa akafa mafirimu ezvigadzirwa zvepamusoro-soro. Mushure mokunge chiitiko ichi chikaitika, zvinokurudzirwa kushandisa solvent kupukuta chifukidzo chinopisa kakawanda, uye chigumisiro chichavandudza.

Kuwedzerwa kwekuwedzera kwezvinhu zvakashandiswa zvakare
Kuti uchengetedze mutengo, imwe huwandu hwezvinhu zvakadzokororwa zvinowanzowedzerwa kune PE inofema membranes 'kugadzirwa. Zvishandiso zvakadzokororwa zvinowanzoitwa patsva pakupisa kwakanyanya kwete pasi pekaviri. Pane humwe huwandu hwetsvina. Mushure mokunge membrane yagadzirwazve, kushanda kwayo kwekuvhara kupisa kunovandudzwa zvikuru. Kuderera, tembiricha yekuisa chisimbiso inowanzowedzera ne5-10 ℃. Ongororo dzinoratidza kuti kana huwandu hwakawedzerwa hwekupisa-chisimbiso chisimbiso chakadzoserwa zvinhu chiri 30%, tembiricha yePE inofema yefirimu yekuisa chisimbiso inowedzera ne3-5 ℃. Kana huwandu hwekuwedzera huri 50%, tembiricha yekuisa chisimbiso Simudza tembiricha ye6-10 ℃ uye kazhinji inoda kuti mugadziri wefirimu asawedzere zvinhu zvakadzokororwa muchikamu chekupisa zvakanyanya sezvinobvira.

5. Kushandiswa kwehuwandu hwePE breathable membrane
Nekuda kweiyo yakapfava uye yakagadzika yemuviri uye yemagetsi zvimiro, PE inofema membrane ine yakanakisa tensile uye elongation zvivakwa.

Nzvimbo dzakajairika dzekushandisa ndeidzi:
● Zvinodiwa zvezuva nezuva: raincoat, chifukidziro chesutu, mask yeziso, jira retafura, chivharo chekugeza, keteni yekugeza, bhegi remvura, jira retafura, nezvimwewo;
● Zvigadzirwa zvehutsanana: mapepa emapepa, machira ehutsanana, majasi ekurapa-kuvhiya, kurongedza kwakakosha kwekurapa uye kurongedza chikafu, nezvimwewo;
● Midziyo yekurongedzera: makombiyuta, midziyo inofefetera mhepo, mavhavha asingapindi huruva, mavhavha emotokari, zvizoro zvakapfava, mabhegi okutengesera, mabhegi ezvipo, mapepa efaira, nezvimwewo;
● Kurongedzerwa kwemafashoni: mabhegi ekuzora, mabhuku epamusoro-soro, mate mapendekete, mawodhiropu, mabhegi ekuredzesa, mabhegi, nemabhegi, nezvimwewo.