Wakisi yepolyethylene inogadzirwa sei?

Mukugadzira polyethylene, ishoma oligomer ichagadzirwa, kureva, yakaderera molecular uremu polyethylene, inozivikanwawo sepolymer wax, kana.wakisi ye polyethylenekwenguva pfupi.Inoshandiswa zvakanyanya nekuda kweiyo yakanakisa kutonhora kupikisa, kupisa kupisa, kupikisa kemikari uye kupfeka kusagadzikana.Mukugadzirwa kwakajairwa, chikamu ichi chewakisi chinogona kuwedzerwa zvakananga ku polyolefin kugadzirwa sechinhu chinowedzera, icho chinogona kuwedzera kuturikira kwechiedza uye kugadzirisa kuita kwechigadzirwa.Polymer wakisi yakanaka desensitizer.Panguva imwecheteyo, inogona zvakare kushandiswa semafuta ekuparadzira epurasitiki uye pigment, hunyoro-uchapupu mumiriri wepepa rine marasha, inopisa-inonyunguduka inonamira uye pasi wakisi, mota runako wakisi, nezvimwe.

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Kemikari zvinhu zvepe wax
Polyethylene wax R - (ch2-ch2) n-ch3, ine molecular uremu hwe1000-5000, ichena, isingaravi uye isinganhuwi inert zvinhu.Inogona kunyungudutswa pa104-130 ℃ kana kunyungudutswa mune zvinonyungudutsa uye resin pakupisa kwakanyanya, asi icharamba ichinaya kana ichitonhora.Kunaya kwayo kwemvura kune hukama nechiyero chekutonhodza: ​​zvimedu zvakakora (5-10u) zvinowanikwa nekunonoka kutonhora, uye zvimedu zvakapfava (1.5-3u) zvinonaswa nekukurumidza kutonhora.Mukugadzira firimu rekugadzira upfu, kana firimu ratonhora, polyethylene wax inodonha kubva kune yakagadziriswa mhinduro kuti iite zvimedu zvakanaka zvinoyangarara pamusoro pefirimu pamusoro, izvo zvinotora basa rekugadzira, kupera, kutsvedzerera uye kukwenya kuramba.
Micro poda tekinoroji ndeyepamusoro-tech yakagadzirwa mumakore gumi apfuura.Kazhinji, saizi yepakati ishoma pane 0.5 μ Zvimedu zveM zvinonzi ultrafine particles 20 μ The ultrafine particle inonzi ultrafine particle aggregate.Pane nzira nhatu huru dzekugadzira mapolymer particles: kutanga kubva kune akakasharara zvidimbu, uchishandisa nzira dzemuviri dzakadai semakanika kupwanya, evaporation condensation uye kunyungudika;Chechipiri ndechokushandisa chiito chemakemikari reagents kuita kuti mamorekuru munzvimbo dzakasiyana-siyana dzakapararira zvishoma nezvishoma dzive zvikamu zvehukuru hunodiwa, izvo zvinogona kugoverwa kuva nzira mbiri dzekuparadzira: kuparara uye emulsification;Chechitatu, inogadzirirwa nekugadzirisa zvakananga polymerization kana kudzikisira.Zvakadai sePMMA diki hupfu, inodzoreka mamorekuru uremu PP, kupararira polymerization kugadzirira PS zvimedu, kupisa kupisa kune radiation kupaza kugadzirira PTFE micro poda.
1. Kuiswa kwePE wakisi hupfu
(1) Polyethylene wakisi yekupfekedza inogona kushandiswa kugadzira yakakwira gloss solvent coating, mvura-based coating, poda coating, can coating, UV kurapa, simbi yekushongedza coating, nezvimwewo inogona zvakare kushandiswa semazuva ese hunyoro-hupupu hwekupfeka senge. paperboard.
(2) Ingi, varnish yakadhinda, ingi yekudhinda.Pewax inogona kushandiswa kugadzira letterpress mvura-based inki, solvent gravure inki, lithography / offset, inki, overprint varnish, nezvimwe.
(3) Zvizoro, zvigadzirwa zvekuchengeta munhu.PEWax inogona kushandiswa seyakagadziriswa hupfu, antiperspirant uye deodorant.
(4) Micro poda wakisi yezvinhu zvakakoswa.Pane zviviri zvinodikanwa zvecoil wax: kana uchinatsiridza kutsetseka kwepamusoro uye kuoma kwefirimu, haigone kukanganisa kuenzana kwejasi uye kunzwa kumvura.
(5) Kupisa kunyunguduka kunama.Pewax poda inogona kushandiswa kugadzirira inopisa kunyunguduka kunama kune kupisa kutsika.
(6) Zvimwe zvikumbiro.PE wakisiinogonawo kushandiswa se spacer yezvikamu zvesimbi zvakakandwa uye zvikamu zvinoputika;Zviwedzerwa zverabha uye mapepa epurasitiki uye mapaipi;Inogona zvakare kushandiswa se rheological modifier uye yazvino musiyano wemafuta epepuru, pamwe nemutakuri uye lubricant ye masterbatch.

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2. Kuvandudza polyethylene wax yakagadziridzwa
Mukutanga kwema1990, takaita gadziriso yeyakaderera molecular uremu polyethylene wax, uye kune mishumo yakawanda pamusoro pecarboxylation uye grafting.Vanyoreri vekunze patent vanosanganisira Germany, France, Poland neJapan.China yakanyorerawo mapatendi ane nhanho mbiri.Kubva pakutsvagisa mabhuku uye kuongororwa kwemusika, polyethylene wakisi uye yakagadziridzwa polyethylene wakisi, kunyanya mushure meiyo micronization, ichave nekukura kukuru.Iyo yepamusoro mhedzisiro uye vhoriyamu mhedzisiro ye polyethylene micro poda wakisi inopa yakanakisa yemuviri uye kemikari zvivakwa zvekugadzira zvigadzirwa zvitsva.Kuti zvizadzise zvinodikanwa zveminda dzakasiyana-siyana senge inki, kukoira, kupedza agent uye zvichingodaro, mamwe akawanda akateedzana e-ultra-fine powders achave aripo.
Kushandiswa uye mashandiro eiyo mune coatings
Wakisi yekupfekedza inonyanya kuwedzerwa muchimiro chekuwedzera.Wax additives kazhinji inowanikwa muchimiro chemvura emulsion, yakatanga kushandiswa kunatsiridza mashandiro epamusoro anti scaling machira.Inonyanya kubatanidza kuvandudza kutsetseka, kukwenya kuramba uye kusapinda kwemvura kwefirimu.Mukuwedzera, inogonawo kukanganisa rheological properties yekuputira.Kuwedzera kwayo kunogona kuita kutaridzika kwezvimedu zvakasimba senge aluminium poda musimbi flash pendi yunifomu.Inogona kushandiswa semumiriri wemateti mune matte pendi.Zvinoenderana nehukuru hwayo uye saizi yekugovera saizi, iyo matting mhedzisiro yewax additives yakasiyana zvakare.Naizvozvo, wax additives akakodzera ese ari maviri gloss pendi uye matte pendi.Microcrystalline yakagadziridzwa polyethylene wakisi inogona kushandiswa kuvandudza zvimiro zvemvura zvemaindasitiri coatings.Zvakadai sefka-906, iyo yakatsetseka, anti adhesion, anti scratch uye matting effect inosimbiswa mushure mekuwedzera, uye inogona kuvharisa pigment precipitation, pamwe nehuwandu hwekuwedzera hwe0.25% - 2.0%.
1. Hunhu hunopihwa newakisi mufirimu
(1) Pfeka kuramba, kukwenya kuramba uye kukwenya kuramba: wax inogoverwa mufirimu kuchengetedza firimu, kudzivirira kukwenya uye kukwenya, uye kupa kupfeka kusagadzikana;Semuenzaniso, machira emidziyo, machira ehuni uye machira ekushongedza ese anoda basa iri.
(2) Dzora friction coefficient: yayo yakaderera friction coefficient inowanzoshandiswa kupa yakanakisa kutsvedzereka kweiyo firimu yekuputira.Panguva imwecheteyo, ine sirika yakapfava yakapfava nekuda kwemhando dzakasiyana dzewakisi.
(3) Kupokana kwemakemikari: nekuda kwekugadzikana kwewakisi, inogona kupa iyo yekuputira zvirinani kudzivirira kwemvura, munyu wekupfapfaidza kuramba uye zvimwe zvinhu.
(4) Dzivirira kusungirirana: dzivisa chiitiko chekudzokera shure uye kusungirirwa kwezvinhu zvakavharwa kana zvakadhindwa.
(5) Kudzora kupenya: sarudza wakisi yakakodzera uye uve nemhedzisiro yekutsakatika kwakasiyana zvichienderana nehuwandu hwekuwedzera.
(6) Dzivirira silica uye mamwe madhipoziti akaomarara uye uwedzere kugadzikana kwekuchengetedza kwejasi.
(7) AntiMetalMarking: kunyanya mugaba rekudhinda coating, haingogone kupa yakanaka processability, asiwo kuchengetedza kugadzikana kwekuchengetedza kwegaba rekudhinda.
2. Hunhu uye nzira yewakisi mumajasi
Kune marudzi mazhinji ewakisi, uye kutaridzika kwavo mufirimu kunogona kukamurwa kuita mhando nhatu dzinotevera:
(1) Frosting effect: semuenzaniso, kana nzvimbo yekunyunguduka yewakisi yakasarudzwa yadzikira pane tembiricha yekubikira, nekuti wakisi inonyunguduka kuita firimu remvura panguva yekubikira, chando chikaita sechitsetse chakatetepa chinoumbwa pamusoro pekuputira mushure mekutonhora.
(2) Ball axis effect: izvi zvinoitika ndezvekuti wakisi inofumurwa kubva pakukura kwayo padhuze kana kutokura kudarika ukobvu hwefirimu rekunamira, kuitira kuti kukwenya kuramba nekukwenya kwewakisi kuonekwe.
(3) Inoyangarara mhedzisiro: zvisinei nechikamu chewakisi, wakisi inonyungudika ichienda pamusoro pefirimu panguva yekugadzira firimu uye inoparadzirwa zvakaenzana, kuitira kuti chikamu chepamusoro chefirimu chidzivirirwe newakisi uye chinoratidza maitiro ewakisi.

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3. Nzira yekugadzira wakisi
(1) Kunyunguduka nzira: kupisa uye kunyungudusa solvent mumudziyo wakavharwa uye wepamusoro-soro, uye wozobudisa zvinhu pasi pemamiriro akakodzera ekutonhora kuti uwane chigadzirwa chakapedzwa;Izvo zvisingabatsiri ndezvokuti hutano hahusi nyore kudzora, mari yekushanda yakakwira uye ine ngozi, uye mamwe mawakisi haana kukodzera nzira iyi.
(2) Emulsification nzira: yakanaka uye yakatenderedza zvimedu zvinogona kuwanikwa, izvo zvakakodzera kune aqueous masisitimu, asi iyo yakawedzerwa surfactant ichakanganisa kupikisa kwemvura kwefirimu.
(3) Nzira yekuparadzira: wedzera wakisi mumuti wakisi / mhinduro woiparadzira nebhora reguyo, roller kana zvimwe zvekuparadzira;Izvo zvinokanganisa ndezvekuti zvakaoma kuwana zvigadzirwa zvemhando yepamusoro uye mutengo wakakwirisa.
(4) Micronization nzira: kugadzirwa kwejet micronization muchina kana micronization / classifier inogona kutorwa, kureva kuti, wakisi isina kucheneswa inotsemurwa kuita zvidimbu mushure mekuroverana kunotyisa nekumhanya kukuru, yobva yapeperetswa kunze nekuunganidzwa pasi pe chiito che centrifugal simba uye kuderedza uremu.Iyi ndiyo inonyanya kushandiswa nzira yekugadzira parizvino.Kunyangwe paine nzira dzakawanda dzekushandisa wakisi, wakisi ine micronized ndiyo ichiri yakanyanya.Kune akawanda marudzi ewakisi ane micron pamusika, uye maitiro ekugadzira evagadziri akasiyana akasiyana, zvichikonzera mimwe misiyano mukugovera saizi yechikamu, huremu hwemamorekuru, density, nzvimbo yekunyungudika, kuoma uye zvimwe zvimiro zve micronized wax.
Polyethylene wax inogadzirwa nepamusoro-kudzvanywa uye yakaderera-kumanikidza polymerization;The branched cheni density uye kunyunguduka tembiricha yePolyethylene Wax Tape yakagadzirwa nepamusoro-soro nzira yakaderera, nepo cheni yakatwasuka uye yakaderera chaiyo giravhiti wakisi inogona kugadzirwa neyakaderedzwa nzira yekumanikidza;Wakisi yePE ine dhizaini dzakasiyana.Semuyenzaniso, kune isiri-polar PE wakisi inogadzirirwa neyakaderera-kudzvanywa nzira, kazhinji, iyo yakaderera-density (yakaderera branched cheni uye yakakwirira crystallinity) yakaoma uye ine nani kupfeka kusagadzikana uye kukwenya kuramba, asi yakanyanya kuipa maererano nekutsvedza. uye kuderedza friction coefficient.
Qingdao Sainuo Chemical Co., Ltd.Isu tiri vagadziri vePE wax, PP wax, OPE wax, EVA wax, PEMA, EBS, Zinc/Calcium Stearate….Zvigadzirwa zvedu zvakapfuura REACH, ROHS, PAHS, FDA yekuongorora.
Sainuo zorora wakavimbiswa wakisi, gamuchira kubvunza kwako!
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Nguva yekutumira: Mar-03-2022
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