Iyo yekutanga gadziriro yemasaga ekurongedza mabhegi akakamurwa kuita matanho mana: kudhinda, laminating, kucheka, kugadzirwa kwemabhegi, ayo maviri maitiro ekumisa uye kugadzira mabhegi ndiwo akakosha maitiro anokanganisa kuita kwechigadzirwa chekupedzisira.
Compounding process
Dhizaini chigadzirwa chekurongedza maitiro, mukuwedzera kune chaiyo sarudzo yeakasiyana ma substrates, kusarudzwa kweanomisikidza anonamatira kunokosha zvakare, maererano nekushandiswa kwezvigadzirwa, kuumbwa, mamiriro ekugadzirisa, mamiriro emhando yemhando yekusarudza. Sarudza iyo inonamira isiriyo, zvisinei kuti yakakwana sei iyo composite yekugadzirisa tekinoroji, zvakare ichakonzera mhedzisiro yakaipa, pamwe nekumashure-kugadzirisa kuderedza simba, pasi pesimba remubatanidzwa, kuvuza, mabhegi akatyoka uye kumwe kutadza.
Sarudzo yemazuva ese kemikari inochinjika kurongedza nemanamira kuti utarise zvakasiyana-siyana zvezvinhu, kazhinji, seyakabatanidzwa inonamatira inofanirwa kusangana nemamiriro anotevera.:
Kwete-chepfu
Hapana zvidimbu zvinokuvadza zvinoonekwa mushure mekurongedza zvinwiwa.
Inoshanda kune zvinodiwa tembiricha zvekuchengetedza chikafu.
kunaka kwemamiriro ekunze kuramba, hapana kutsvuka uye kutsvuka, hapana chalking uye delamination.
kupikisa mafuta, zvinonaka, vhiniga uye doro.
Hapana kukukurwa kwekudhinda patani ingi, inotarisirwa kuve nehukama hwepamusoro hweinki.
Uye zvakare, kushorwa nekukukurwa kwevhu, zvirimo zvine huwandu hukuru hwezvinonhuwira, doro, mvura, shuga, mafuta acids, nezvimwewo, zvimiro zvavo zvinosiyana, zvinokwanisika kupinda mukati memukati weiyo inosanganiswa firimu mune inonamatira layer. , zvichikonzera kukuvadzwa kwekuora, zvichikonzera delamination yebhegi rekutakura, kukanganisa kukundikana. Nekuda kweizvozvo, iyo inonamira inofanirwa kuve nekugona kurwisa kukukurwa kwezvinhu zviri pamusoro, gara uchichengetedza zvakakwana adhesive peel simba.
Plastic film composite processing nzira dzakaoma composite nzira, yakanyorova composite nzira, extrusion composite nzira, inopisa melt composite nzira uye co-extrusion composite nzira uye dzimwe dzinoverengeka..
1, Dry musanganiswa
Dry lamination nzira ndiyo yakajairika nzira yepurasitiki kurongedza lamination. Pasi pemamwe mamiriro ekushisa, kushushikana uye kumhanya, iyo yekutanga substrate inozadzwa zvakaenzana neyakagadzika yeadhesive-based adhesive (chimwe-chikamu chinopisa chinonyungudutsa adhesive kana maviri-chikamu chinogadzirisa adhesive), mushure meiyo laminating yekubikira chiteshi (yakakamurwa munzvimbo nhatu. : evaporation zone, kuomesa nzvimbo uye kusabatanidzwa kwenzvimbo yekunhuhwirira) kuitira kuti solvent inyunguduke uye inomesa, uyezve nemarori anopisa anopisa, mumhepo inopisa yekutsikisa uye yechipiri substrate (yepurasitiki firimu, pepa kana aluminium foil) yakasungirirwa mufirimu inoumbwa.
Dry lamination inogona laminate chero mhando yefirimu, uye inogona kutsiva kugona kugadzira yakakwirira-inoshanda yekurongedza zvinhu zvinoenderana nezvinodiwa nechinangwa zvinoenderana nezviri mukati. Naizvozvo, mukurongedza, kunyanya mune yemazuva ese kemikari packaging yakagadziriswa budiriro.
2,Wet compounding
Wet composite nzira ndeye inoumbwa substrate (yepurasitiki firimu, aruminiyamu foil) yakavharwa nedhiri rekunamira pamusoro pepamusoro, mune yekunamatira haina kuoma, kuburikidza nekumanikidza roller uye zvimwe zvinhu (bepa, cellophane) composite, yobva yaoma. mushure mevheni mufirimu inosanganiswa.
Wet composite process iri nyore, ine shoma inonamira, yakaderera mutengo, yakakwira composite kunyatsoshanda, uye isingabatanidze yakasara solvent.
Wet composite laminating muchina uye kushanda musimboti rinoshandiswa uye yakaoma composite nzira zvakangofanana, musiyano ndiyo yekutanga substrate yakanamirwa guruu, kutanga nechechipiri substrate laminated composite, uye ipapo akaomeswa nechoto. Nyore, shoma inonamira dosage, kukurumidza kusanganisa, zvigadzirwa zvinosanganiswa hazvina zvakasara zvinonyungudutsa, kusvibiswa kumwe kune zvakatipoteredza.
3, Extrusion musanganiswa
Kuwedzeredza kusanganisa ndiyo nzira yakajairika yekusanganisa maitiro, iko kushandiswa kwe thermoplastic resin seyakabikwa, resin inopisa uye inonyungudutswa muforoma, nemuromo unofa pachinzvimbo chekurapa pepa refirimu, pakarepo mushure mekusanganiswa neimwe mhando. kana mafirimu maviri pamwe chete, uye akazotonhodzwa uye akaporeswa. Multi-layer co-extrusion lamination yakasiyana-siyana yakasiyana-siyana yepurasitiki resin kuburikidza nekuwedzera kune extruder co-extrusion, kupinda mufa lamination mufirimu.
Composite zvinhu zvinowanzoitika kune zvemhando matambudziko uye mhinduro
Kubatanidza inzira inokosha mukugadzirwa uye kushandiswa kwekugadziriswa kwekuputira, kukanganisa kwayo kwakajairika ndeiyi: kugadzirwa kwemhepo inoputika, kuderera kwekukurumidza kusvika kusanganiswa, zvigadzirwa zvakapedzwa zvakakwinya uye zvakapetwa micheto, zvigadzirwa zvinosanganiswa zvakatambanudzwa kana kupera, nezvimwewo. Chikamu ichi chichatarisa pakuongorora kwekukwinya, yakapetwa mipendero yezvikonzero uye nzira dzekubvisa.
1, Chiitiko chekuunyana
Mukuoma kwakaumbwa kukundikana kwechiitiko ichi kunotora chikamu chikuru chekukundikana kunobata zvakananga kunaka kwekugadzirwa kwechigadzirwa chakapedzwa.
Zvikonzero zvikuru zvekukundikana uku ndezvizvi zvinotevera.
Hunhu husina kunaka hwezvinhu zvakaumbwa kana kudhinda substrate pachayo, kutsauka muukobvu, mabhaisikopo akarembera akasununguka kumativi ese ari maviri uye akasimba kune imwe magumo nekuda kwekusagadzikana kwemhepo kunetsana. Kana iyo firimu vhoriyamu yakapatsanurwa kubva kune elasticity yehombe, pamushini, iyo firimu kumusoro uye pasi uye kuruboshwe uye kurudyi kuiswa amplitude zvakare yakakura nekuti kana zvinhu zvacho zvinopinda pakati pedhiramu rinopisa uye rinopisa rema roller, harigone. iva nhanho neanopisa ekudhinda rollers, saka haigone kudzvanywa sandara, zvichikonzera iyo yakapedzwa inoumbwa yakaunyana, mitsetse yakatsvuka, zvichikonzera chimedu chechigadzirwa. Kana iyo inoumbwa zvinhu iri PE kana CPP, kana ukobvu kutsauka kuchipfuura 10μm, zviri nyorewo kuunyana, panguva ino, kushushikana kwechinhu chinoumbwa kunogona kuwedzerwa zvakakodzera, uye inopisa yekutsikirira roller inogona kuve yakachinjika mamiriro. zve extrusion. Nekudaro, zvinofanirwa kucherechedzwa kuti kunetsana kunofanirwa kuve kwakakodzera, kushushikana kwakanyanya kuri nyore kugadzira iyo inoumbwa zvinhu kurebesa, zvichiita kuti muromo webhegi upinde mukati. Kana ukobvu kutsauka kwezvakasanganiswa zvinhu zvakakurisa, hazvigone kushandiswa, zvinofanirwa kugadziriswa.
2、Musanganiswa mavara machena
Somugumisiro murombo ingi kufukidzwa mwero chena makwapa: nokuti rinoumbwa chena ingi, apo ingi absorption volatilization asi kwete volatilization kunokonzerwa chena makwapa, iripo kuvandudza nokuomesa nzira; kana pachine makwapa machena, mhinduro yakajairika ndeyekuvandudza inki chena inovhara, sekutarisa kunaka kweinki chena, nekuti kukuya kwakanaka kweiyo inki kufukidzwa mwero yakasimba.
Inonamira panzvimbo yemavara machena anogadzirwa zvisina kuenzana: muinki yakavharwa neglue, nekuda kwekupinda muinki inotora chinonyungudutsa, kushushikana kwepamusoro uye kudiki pane substrate, kuenzana hakufanirwe kunge kwakafanana nefirimu rechiedza rakaputirwa neglue, glue depressions. uye aruminiyamu-yakaputirwa pamusoro kana aluminium foil haisi yepedyo kuenderana, inoratidzira mwenje kuburikidza nebubble paunosangana nechikamu, inodzora kana kuparadzira kutarisisa, kuumbwa. yemavara machena. Mhinduro yacho inogona kushandiswa kupfavisa kupfekedza neyunifomu rubber roller, kana kuwedzera huwandu hwekutsiviwa.
3、Compound bubble
Composite bubbles inogadzirwa mumamiriro anotevera uye nzira dzinoenderana.
Compound bubbles mune chiitiko
1. firimu rakashata, rinofanira kuvandudza kusungirirwa kwekunamatira uye huwandu hwekutsiviwa, MST, KPT pamusoro haisi nyore kunyorova, nyore kugadzira mabhubhu, kunyanya munguva yechando. Mhepo inotubuka painki,anogonashandisa nzira yekuwedzera huwandu hwekunamatira kubvisa.
2,Iyo inki yepamusoro bump uye bubble, inofanira kusanganiswa firimu rinobatanidza tembiricha uye kusanganisa kumanikidza kuwedzera.
3, Kuwanda kwekuwedzera glue pamusoro peinki kwakaderera, kunofanira kuwedzera kusanganisa roller pressure paste time uye kushandiswa kwema roller akatsetseka, firimu preheating zvakakwana kuderedza kukurumidza kwekubatanidza, sarudza yakanaka wetting glue uye sarudzo yakarurama yeinki. .
4. Izvo zvinowedzera (lubricant, antistatic agent) mufirimu zvinopindwa neglue, saka unofanirwa kusarudza glue ine huremu hwema molecular uye nekukurumidza kupora, kuwedzera kusanganiswa kweglue, kusimudza tembiricha yeovheni kuti iomese glue, uye usashandise iyo firimu neinopfuura mwedzi mitatu yekuisa nguva, nekuti kurapwa kwekorona kwarasika.
5,Tembiricha munguva yechando yakadzikira, iyo yakabatana kune firimu neingi kutamiswa, reset alignment mhedzisiro haina kunaka, saka nzvimbo yekuvhiya inochengetedza imwe tembiricha.
6,Iyo tembiricha yekuomesa yakakwira zvakanyanya, kuputika kweadhesive kana kuputika kweganda repamusoro kunoitika, uye mukati hauna kuoma, saka tembiricha yekuomesa yekunamatira inofanira kugadziridzwa.
7. Mhepo inopindirana pakati pefirimu ye-composite rollers, tembiricha ye-composite rollers inofanira kuwedzerwa uye kona inosanganiswa inofanira kusvibiswa (firimu yakaoma uye iri nyore kubudisa mabhubhu kana yakaoma).
8,Nekuda kweiyo yakakwira firimu chipingamupinyi, iyo CO2 gasi inogadzirwa neanonamira kurapa, yakasara mumubatanidzwa firimu, isina kudhindwa pabubble, inofanirwa kuvandudza huwandu hweanorapa agent, kuitira kuti adhesive kurapa mukuoma.
9. Iyo glycolic acid iri murabha inonyungudutsa yakanaka kune inki filler, rabha inonyungudutsa inki, uye pane mabhubhu painki chete, izvo zvinofanirwa kudzivirira kupinda kwemvura murabha uye kugadzirisa kupisa kwekuomesa kwerabha kuderedza. kuparadzwa kweinki.
4, Simba risina kusvuura
Simba rePeel harina kusimba, rinokonzerwa nekusakwana kupora, kana huwandu hweglue hushoma, kana inki inoshandiswa uye inonamira haienderane nemamiriro ezvinhu, kunyangwe kupora kwapera, asi pakati pezvikamu zviviri zvemusanganiswa firimu nekuda kwe kushaya kureba kwakaderedza simba rekuderedza.
Huwandu hwejekiseni hweglue hwakanyanya kudiki, chiyero chekunamatira chakaderedzwa, glue rinodzikira mukuchengetedza, mvura nedoro zvinosanganiswa muglue, izvo zvinobatsira mufirimu zvinodzikiswa, kuomesa kana maturation process haisi panzvimbo. , nezvimwewo, izvo zvinozotungamira kune yekupedzisira composite peel simba rekudzora zvinhu.
Nyatsoteerera kuchengetwa kwakakodzera kweglue, iyo yakareba haipfuuri gore 1 (tin inogona kuvharwa); kudzivirira zvinhu zvekune dzimwe nyika kupinda glue, kunyanya mvura, doro, nezvimwewo, izvo zvinogona kukonzera kukundikana kweglue. Firimu yakakodzera kuvandudza huwandu hweglue coating; kunatsiridza tembiricha yekuomesa mhepo vhoriyamu, kuderedza kumhanya kwekubatanidza. Kurapa kwechipiri kwefirimu pamusoro pekuvandudza kushushikana kwepamusoro; kuderedza kushandiswa kwezvinowedzera mufirimu yekubatanidza pamusoro. Idzi nzira dzese dzinogona kutibatsira kuvandudza dambudziko rekushaya simba peel recomposite.
5. Kupisa chisimbiso chakaipa
Compound bhegi kupisa chisimbiso kuita kwakashata uye zvikonzero zvayo ndiwo anotevera mamiriro.
Kupisa kwekuvhara simba kune hurombo. Zvikonzero zvikuru zvechiitiko hachina kupora zvachose kana kupisa kwekuvhara tembiricha yakanyanya kuderera. Gadzirisa maitiro ekurapa kana zvakakodzera kuwedzera kupisa kwebanga rekuvhara kunogona kugadzirisa dambudziko.
Kupisa chisimbiso chivharo delamination uye refractive index. Chikonzero chikuru chechiitiko ichi ndechekubatana hakusi kurapwa. Gadzirisa nguva yekurapa kana gadzirisa iyo inorapa ejenti yemukati inogona kugadzirisa dambudziko iri.
Kushama kuvhurika / kushomeka kuvhurika kwemukati firimu remukati. Honzeri yechiitiko ichi idiki yekuvhura mumiriri, zvichiita kuti pave nezvakawandisa (modifier) uye inonamira kana girizi firimu pamusoro. Dambudziko iri rinogona kuvandudzwa nekuwedzera huwandu hwekuvhura mumiriri, kugadzirisa huwandu hwekugadzirisa, uye kudzivirira kusvibiswa kwechipiri pane firimu pamusoro.
Magumo
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Nguva yekutumira: Kubvumbi-01-2022