Nyob rau hauv tus txheej txheem ntawm polyethylene ntau lawm, ib tug me me ntawm oligomer yuav raug tsim, uas yog, tsis tshua muaj molecular hnyav polyethylene, kuj hu ua polymer wax, los yogpolyethylene waxluv luv.Nws yog dav siv vim nws zoo heev txias tsis kam, kub tsis kam, tshuaj tsis kam thiab hnav tsis kam.Hauv kev tsim khoom ib txwm muaj, qhov no ntawm cov quav ciab tuaj yeem raug ntxiv ncaj qha rau polyolefin ua cov khoom siv ntxiv, uas tuaj yeem ua rau lub teeb txhais lus thiab kev ua haujlwm ntawm cov khoom.Polymer wax yog ib qho zoo desensitizer.Nyob rau tib lub sijhawm, nws tseem tuaj yeem siv los ua cov roj nplaum dispersion rau plastics thiab pigments, tus neeg saib xyuas dej noo rau cov ntawv corrugated, kub-melt nplaum nplaum thiab hauv pem teb ciab, tsheb zoo nkauj ciab, thiab lwm yam.

Chemical Properties ntawmpe wax
Polyethylene wax R - (ch2-ch2) n-ch3, nrog molecular hnyav ntawm 1000-5000, yog cov khoom siv dawb, tsis muaj ntxhiab thiab tsw ntxhiab.Nws tuaj yeem yaj ntawm 104-130 ℃ lossis yaj hauv cov kuab tshuaj thiab cov resins ntawm qhov kub thiab txias, tab sis nws tseem yuav los nag thaum txias.Nws cov nag lossis daus zoo yog cuam tshuam nrog qhov txias txias: coarser hais (5-10u) tau los ntawm kev txias qeeb, thiab cov khoom zoo (1.5-3u) yog los ntawm kev txias sai.Nyob rau hauv cov txheej txheem txheej txheem ntawm cov hmoov txheej, thaum zaj duab xis txias, polyethylene wax precipitates los ntawm txheej txheej los tsim cov khoom zoo uas ntab rau ntawm zaj duab xis nto, uas plays lub luag hauj lwm ntawm kev ntxhib los mos, extinction, smoothness thiab khawb kuj.
Micro hmoov tshuab yog ib qho khoom siv high-tech tsim nyob rau hauv 10 xyoo tsis ntev los no.Feem ntau, qhov loj me me yog tsawg dua 0.5 μ Cov khoom ntawm M yog hu ua ultrafine particles 20 μ Cov khoom siv ultrafine hu ua ultrafine particle aggregate.Muaj peb txoj hauv kev tseem ceeb los npaj cov khoom siv polymer: pib los ntawm cov khoom ntxhib, siv lub cev xws li kev sib tsoo tshuab, evaporation condensation thiab melting;Qhov thib ob yog siv qhov kev txiav txim ntawm cov tshuaj reagents los ua cov molecules nyob rau hauv ntau lub xeev dispersed maj mam loj hlob mus rau hauv hais txog qhov luaj li cas, uas yuav muab faib ua ob txoj kev dispersion: dissolution thiab emulsification;Thib peb, nws yog npaj los ntawm kev tswj ncaj qha polymerization lossis degradation.Xws li PMMA micro hmoov, tswj tau molecular hnyav PP, dispersion polymerization los npaj PS hais, thermal tawg rau hluav taws xob tawg los npaj PTFE micro hmoov.
1. Daim ntawv thov ntawm PE ciab hmoov
(1) Polyethylene wax rau txheej yuav siv tau los npaj siab gloss hnyav txheej, dej-raws li txheej, hmoov txheej, tuaj yeem txheej, UV curing, hlau kho kom zoo nkauj txheej, thiab lwm yam. nws kuj tseem siv tau los ua txhua hnub noo noo-pov thawj txheej xws li daim ntawv.
(2) Ink, overprint varnish, luam ntawv number case.Pwax tuaj yeem siv los npaj cov ntawv xov xwm dej raws li tus cwj mem, hnyav gravure number case, lithography / offset, number case, overprint varnish, thiab lwm yam.
(3) Tshuaj pleev ib ce, khoom tu tus kheej.PEWax tuaj yeem siv los ua cov khoom siv raw rau hmoov, tshuaj tua kab mob thiab deodorant.
(4) Micro hmoov ciab rau cov khoom siv coiled.Muaj ob qhov yuav tsum tau ua rau coil wax: thaum txhim kho qhov smoothness thiab hardness ntawm zaj duab xis, nws tsis tuaj yeem cuam tshuam rau qib ntawm txheej txheej thiab rhiab heev rau dej.
(5) Kub yaj nplaum nplaum.Pwax hmoov tuaj yeem siv los npaj kub yaj nplaum rau kub stamping.
(6) Lwm yam kev siv.PE waxkuj tseem siv tau los ua ib qho spacer rau cam khwb cia hlau qhov chaw thiab foaming qhov chaw;Ntxiv cov khoom siv roj hmab thiab cov ntawv yas thiab cov kav dej;Nws kuj tseem siv tau los ua rheological hloov kho thiab tam sim no hloov pauv ntawm cov roj ntshav, nrog rau cov nqa khoom thiab cov roj nplua nyeem ntawm masterbatch.

2. Kev tsim kho ntawm polyethylene wax hloov
Thaum ntxov xyoo 1990, peb tau ua qhov kev hloov pauv ntawm qhov hnyav molecular polyethylene wax, thiab muaj ntau cov lus ceeb toom ntawm carboxylation thiab grafting.Cov neeg thov patent txawv teb chaws suav nrog lub teb chaws Yelemees, Fabkis, Poland thiab Nyiv.Tuam Tshoj kuj tau thov rau ob-theem ntsig txog patents.Los ntawm cov ntaub ntawv tshawb fawb thiab kev lag luam tsom xam, polyethylene wax thiab hloov polyethylene wax, tshwj xeeb tshaj yog tom qab micronization, yuav muaj kev txhim kho ntau dua.Cov nyhuv saum npoo thiab ntim cov nyhuv ntawm polyethylene micro hmoov ciab muab cov khoom zoo ntawm lub cev thiab tshuaj lom neeg rau kev tsim cov khoom tshiab.Yuav kom ua tau raws li qhov yuav tsum tau muaj ntawm ntau qhov chaw xws li number case, txheej, xov tus neeg sawv cev thiab lwm yam, ntau cov hmoov zoo ultra-nplua yuav muaj.
Daim ntawv thov thiab mechanism ntawm txheej txheej
Wax rau txheej yog tsuas yog ntxiv nyob rau hauv daim ntawv ntawm additives.Wax additives feem ntau muaj nyob rau hauv daim ntawv ntawm dej emulsion, pib siv los txhim kho qhov chaw tiv thaiv scaling kev ua tau zoo ntawm coatings.Nws feem ntau suav nrog kev txhim kho smoothness, khawb tsis kam thiab dej tsis zoo ntawm zaj duab xis.Tsis tas li ntawd, nws tuaj yeem cuam tshuam rau cov khoom rheological ntawm txheej txheej.Nws qhov sib ntxiv tuaj yeem ua rau kev taw qhia ntawm cov khoom siv xws li txhuas hmoov hauv cov xim hlau flash xim.Nws tuaj yeem siv los ua tus neeg sawv cev matting hauv matte xim.Raws li nws cov particle loj thiab particle loj tis, matting nyhuv ntawm wax additives kuj txawv.Yog li ntawd, wax additives yog haum rau ob qho tib si gloss xim thiab matte xim.Microcrystalline hloov kho polyethylene wax tuaj yeem siv los txhim kho cov khoom nto ntawm cov dej hauv cov txheej txheem.Xws li fka-906, qhov smoothness, tiv thaiv adhesion, tiv thaiv khawb thiab matting nyhuv yog ntxiv dag zog tom qab ntxiv, thiab nws tuaj yeem cuam tshuam cov xim nag lossis daus, nrog qhov sib ntxiv ntawm 0.25% - 2.0%.
1. Cov yam ntxwv muab los ntawm wax hauv zaj duab xis
(1) Hnav tsis kam, khawb tsis kam thiab khawb tsis kam: siv quav ciab tau muab faib rau hauv zaj duab xis los tiv thaiv zaj duab xis, tiv thaiv khawb thiab khawb, thiab muab kev hnav tsis kam;Piv txwv li, lub thawv txheej txheej, ntoo txheej thiab cov txheej txheem zoo nkauj txhua tus xav tau txoj haujlwm no.
(2) Tswj cov kev sib txhuam coefficient: nws cov coefficient tsis tshua muaj kev sib txhuam yog feem ntau yog siv los muab cov smoothness zoo ntawm txheej zaj duab xis.Nyob rau tib lub sijhawm, nws muaj qhov tshwj xeeb mos ntawm cov ntaub lo lo ntxhuav vim muaj ntau hom wax.
(3) tshuaj lom neeg tsis kam: vim qhov ruaj khov ntawm cov quav ciab, nws tuaj yeem muab cov txheej txheem dej zoo dua, ntsev tsuag tsis kam thiab lwm yam khoom.
(4) Tiv thaiv kev sib koom ua ke: zam qhov tshwm sim ntawm kev sib txuas rov qab thiab kev sib txuas ntawm cov ntaub ntawv coated lossis luam tawm.
(5) Tswj glossiness: xaiv cov quav ciab tsim nyog thiab muaj qhov sib txawv ntawm kev ploj tuag raws li qhov sib txawv ntxiv.
(6) Tiv thaiv silica thiab lwm yam nyuaj deposits thiab ua rau kom ruaj khov ntawm cov txheej.
(7) AntiMetalMarking: tshwj xeeb tshaj yog nyob rau hauv muaj peev xwm luam ntawv txheej, nws tsis tau tsuas yog muab zoo processability, tab sis kuj tiv thaiv kev ruaj ntseg cia ntawm luam ntawv cia.
2. Cov yam ntxwv thiab cov txheej txheem ntawm cov quav ciab hauv cov txheej txheem
Muaj ntau ntau hom waxes, thiab lawv cov tsos hauv zaj duab xis tuaj yeem faib ua peb hom hauv qab no:
(1) Cov nyhuv Frosting: piv txwv li, thaum lub melting point ntawm cov wax xaiv yog qis dua qhov kub ntawm qhov ci, vim hais tias cov wax melts rau hauv cov yeeb yaj kiab ua kua thaum lub sij hawm ci, Frost zoo li nyias txheej yog tsim rau ntawm txheej txheej tom qab txias.
(2) Cov nyhuv pob axis: cov nyhuv no yog tias cov quav ciab tau nthuav tawm los ntawm nws tus kheej particle loj nyob ze los yog loj dua cov txheej txheej zaj duab xis thickness, kom cov khawb kuj thiab khawb tsis kam ntawm cov quav ciab tuaj yeem pom.
(3) Floating nyhuv: tsis hais seb cov ntaub ntawv zoo li cas ntawm cov quav ciab, cov quav ciab txav mus rau saum npoo ntawm zaj duab xis thaum lub sij hawm tsim cov yeeb yaj kiab thiab sib npaug sib npaug, yog li cov txheej txheem saum toj kawg nkaus ntawm cov yeeb yaj kiab tiv thaiv los ntawm cov quav ciab thiab qhia txog qhov sib txawv ntawm cov yeeb yaj kiab. yam ntxwv ntawm wax.

3. Kev tsim khoom siv quav ciab
(1) Melting txoj kev: tshav kub thiab yaj cov kuab tshuaj nyob rau hauv ib tug kaw thiab high-pressure ntim, thiab ces tso cov khoom nyob rau hauv tsim nyog txias tej yam kev mob kom tau txais cov khoom tiav;Qhov tsis zoo yog qhov zoo tsis yooj yim rau kev tswj hwm, tus nqi khiav lag luam yog siab thiab txaus ntshai, thiab qee qhov waxes tsis haum rau txoj kev no.
(2) emulsification txoj kev: nplua thiab puag ncig cov khoom tuaj yeem tau txais, uas yog tsim rau aqueous systems, tab sis ntxiv surfactant yuav cuam tshuam cov dej tsis kam ntawm zaj duab xis.
(3) Txoj kev Dispersion: ntxiv wax rau hauv tsob ntoo siv quav ciab / tov thiab disperse nws los ntawm pob zeb, cov menyuam los yog lwm yam khoom siv dispersion;Qhov tsis zoo yog tias nws yog qhov nyuaj kom tau txais cov khoom zoo thiab tus nqi siab.
(4) Micronization txoj kev: cov txheej txheem ntawm cov tshuab dav hlau micronization los yog micronization / classifier tuaj yeem siv tau, uas yog, cov khoom siv khib nyiab tau maj mam tawg mus rau hauv cov khoom tom qab kev sib tsoo hnyav nrog ib leeg ntawm kev kub ceev, thiab tom qab ntawd tshuab tawm thiab khaws cia hauv qab. kev txiav txim ntawm lub zog centrifugal thiab poob phaus.Qhov no yog txoj kev tsim khoom siv dav tshaj plaws tam sim no.Txawm hais tias muaj ntau txoj hauv kev siv wax, micronized wax tseem yog feem ntau.Muaj ntau ntau hom micronized wax nyob rau hauv kev ua lag luam, thiab cov txheej txheem ntau lawm ntawm ntau lub tuam txhab kuj sib txawv, uas ua rau qee qhov sib txawv ntawm qhov loj me me, qhov hnyav molecular, ntom, melting point, hardness thiab lwm yam khoom ntawm micronized wax.
Polyethylene wax feem ntau yog tsim los ntawm high-pressure thiab low-pressure polymerization;Cov ceg saw ceev ntom ntom thiab melting kub ntawm polyethylene ciab cov kab xev tau npaj los ntawm cov pob zeb siab thiab qis dua kev nqus dej tuaj yeem npaj tau los ntawm cov qauv siab;PE wax muaj ntau qhov ntom ntom.Piv txwv li, rau cov uas tsis yog-polar PE ciab npaj los ntawm txoj kev uas tsis tshua muaj siab, feem ntau, qhov tsawg-density (tsawg ceg saw thiab siab crystallinity) yog ib qho nyuaj thiab muaj zoo hnav tsis kam thiab khawb kuj, tab sis nws yog me ntsis phem dua nyob rau hauv cov nqe lus ntawm plam. thiab txo kev sib txhuam coefficient.
Qingdao Sainuo Chemical Co., Ltd.Peb yog cov chaw tsim khoom rau PE ciab, PP ciab, OPE ciab, EVA ciab, PEMA, EBS, Zinc / Calcium Stearate ....Peb cov khoom tau dhau REACH, ROHS, PAHS, FDA kuaj.
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