Cov masterbatch dispersion yog ib qho teeb meem hauv plastics ua tiav, ua rau muaj xim xim, streven xim, zoo nkauj, thiab txawm muaj teeb meem tsis muaj teeb meem. Kev daws cov teeb meem no yuav tsum muaj kev tshawb nrhiav qhov ua rau pom kev thiab cov kev ntsuas tsim nyog. Cov hauv qab no yog qee cov kev daws teeb meem thiab cov kauj ruam:
I. CIM LI CAS THIAB XAIV TXUJ CI
1. Kev ua haujlwm tsis raug: kub dhau me me: tsis txaus ntseeg ntawm lub cob lossis masterbatch, uas ua rau muaj kev kub siab thiab ua kom tsis yooj yim. Kev daws: Kev txhawb qhov ntsuas kub (tshwj xeeb tshaj yog nyob rau hauv seem tsheb thiab melting seem) kom paub tseeb tias muaj txiaj ntsig zoo ntawm lub cob thiab masterbatch. Ntsia hlau ceev dhau tsawg heev: Kev quab yuam tsis txaus ntseeg txwv tsis pub siv tau kev zam ntawm cov xim peelmomerates hauv lub masterbatch. Kev daws: Kev tsim kho kom pom zoo rau cov ntsia hlau ceev kom nce shear zog. Txawm li cas los xij, ceev faj kom tsis txhob muaj kev kub siab ntau dua, uas tuaj yeem ua rau kev ua kom muaj kev cuam tshuam. Rov qab siab qis dhau: qis tom qab siab txhais tau tias cov yaj tsis tau compressed thiab sib xyaw zoo nyob rau hauv lub hau ntswj. Kev daws: Qhov tsim nyog nce rov qab siab rau txhim kho yaj sib xyaw ua ke thiab homogenization. Kev tso zis ntau dhau (lub sijhawm luv luv nyob ntev): Cov yaj tsis nyob hauv cov ntsia hlau ntev txaus, ua rau muaj kev sib xyaw tsis txaus. Kev daws: Kev daws teeb meem txo cov zis thiab txuas ntxiv lub sijhawm sib xyaw ntawm cov ntswj. Tsis ruaj khov pub zaub mov: Fias Masterbatch rau cov hauv paus piv rau hauv zos siab thiab nyuaj dispersing. Kev Tshuaj: Ntsuam xyuas thiab ua kom cov khoom pub dawb (Masterper Display tshuab) yog kev ua haujlwm ruaj khov thiab tawm tsam tusyees. Nco ntsoov tias daim masterbatch thiab resin pellets phim qhov loj me thiab cov duab kom tsis txhob cais.
2. Masterbatch cov teeb meem: ntau dhau xim rigications: ntau dhau xim xim ntim ib chav ntim ntau dua li cov cab kuj nqa thiab dispersion muaj peev xwm. Kev daws: Kev sib txuas lus nrog cov masterbatch khoom siv los txo cov xim painment hauv cov masterbatch (qhov no yuav xav tau nce cov masterbatch sib ntxiv piv). Xaiv lub siab -}}}} mycebatches yuav tsum tau tswj cov txheej txheem stricter. Kev Xaiv Tsev Luam Ntawv Tsis Txaus Siab: Lub pob zeb tsis zoo: lub masterbatch resin yog qhov tsis zoo nrog lub hauv paus cob, cuam tshuam thiab cov khoom lag luam kawg. Mismatched yaj Performance index (mi): lub masterbatch carrier mi yog siab dua li ntawd ntawm lub hauv paus resin, uas ua rau asynchronous melting thiab ntws, thiab tsis xwm yeem dispersion. Kev daws: Xaiv lub masterbatch nrog kev sib raug zoo thiab muaj kev sib txuam yaj nrog qhov ntsuas hluav taws xob. Kom meej meej piav koj lub hauv paus yam rau tus neeg xa khoom. Kev xaiv tsis raug xaiv lossis kev kho mob: xim loj me me yog qhov zoo heev lossis nquag muaj cov pigicication: qee qhov nyuaj rau kev tawg lossis nquag mus rau agglomeration. Kev tsis kho / tsis zoo kho cov nplaim: cov xim xim yog tsis muaj qhov tsis pom zoo, ua rau lub liplophilicity thiab nyuaj hauv kev muab pov tseg thiab coated los ntawm cov cab kuj. Kev siv: Thov kom muab cov qhab nia sib txawv nrog kev txhim kho dispersibility los yog pigments nrog tshwj xeeb kev kho mob. Ntxiv qhov siab - effecticial dispersant (ntub dej thiab dispersing tus neeg sawv cev) rau cov masterbatch tsim yog qhov ntsuas tseem ceeb. Cov neeg pluag Masterbatch ntau lawm: tus masterbatch nws tus kheej tsis yog dispersed kom zoo thaum lub sijhawm cov txheej txheem granation, ua rau cov xim npau suav. Kev daws: Hloov lub npe nrov masterbatch khoom siv nrog txhim khu kev qha zoo. Thov Daim Ntawv Tshaj Qhia Kev Xeem Tawm (piv txwv li, Kev Ntsuas Cov Nqi {}} qhov siab ΔP tus nqi, tus me dua qhov zoo dua, lossis kev soj ntsuam micre
3. Khoom siv yam: Ntsia Hlau / Barrel Hnav: hnav txo cov zog shear thiab txo kev ua haujlwm zoo. Kev daws: tshuaj xyuas thiab kho lossis hloov cov screls / tej thoob. Tsim Nyaj Hlau Tsim: Cov tshuaj sib xyaw tsis txaus thiab shearing muaj peev xwm (piv txwv li, tsuas yog kev sib xyaw thiab seem compression). Kev daws: Rau qhov nyuaj - {{{} {{} {{{{{{8} { Ntxiv cov tov khoom zoo nkauj rau cov ntsia hlau uas twb muaj lawm tseem yog txoj kev ua tau zoo. Lim Clog lossis ntau dhau mesh loj me me: ib tug txhaws lim dej loj nce kev nce thiab txo cov txiaj ntsig zoo. Mesh loj uas yog siab dhau (zoo dhau heev) yuav yuam kev ua ntej dispersion ua tiav, khaws agglomerates ntawm lub lim lossis ua rau ntau dhau los.
Kev daws: Tsis tu ncua hloov lossis ntxuav lub lim. Xaiv cov lim lim uas tsim nyog (feem ntau, rau cov teeb meem kev khib nyiab, sim ua kom muaj kev lim dej ntxov) kom tsis txhob ua kom tiav cov txiv qhuav uas yuav tsum muaj kev sib tw ntxiv. Kev sib xyaw ua ke tsis zoo: Rau twin - ntsia hlau ib qho los yog pelletizing, kev xaiv thiab kev xaiv ntawm cov khoom sib xyaw yog qhov tseem ceeb rau kev tawg.
Kev daws: Txhim kho cov ntsia hlau sib xyaw ua ke thiab nce tus naj npawb thiab tso cov lej siab {{shear mixing xws li kneading block.
4. Cov Teeb Meem Cov Khoom Muag: Cov Teeb Meem Resin: Lub Resin yuav muaj qhov tsis zoo (tsis muaj dej hiav txwv, noo noo, lossis yog ib feem ntawm kev noo noo, lossis yog ib feem ntawm kev noo noo, lossis yog ib feem ntawm kev noo noo, lossis yog ib feem ntawm kev noo noo, lossis yog ib feem ntawm kev noo noo, lossis yog ib feem ntawm kev noo noo, lossis yog ib feem ntawm cov dej noo. Kev daws: Khij lub hauv paus resin zoo kom ntseeg tau tias nws ua tau raws li cov cai.
Txhim kho lub resin qhuav (tshwj xeeb tshaj yog hygroscopic resins xws li PA, Tsiaj, thiab PC). Siv cov cob tawv tshiab. Masterbatch yog noo los yog paug: lub masterbatch absabbs noo noo los yog muaj paug nrog impurities. Kev daws: Khaws cov masterbatch kom zoo thiab zam kev ya raws. Xyuas cov masterbatch mob ua ntej siv.
Ii. Kev daws teeb meem kev daws teeb meem
1. Saib xyuas qhov tshwm sim: Qhov tseeb piav qhia txog cov cim ntawm kev tawg tsis zoo (cov xim xim loj, faib tshuaj, thiab lwm yam). Qhov no yuav pab koj ua ntej txiav txim siab qhov ua rau (xws li cov xim xim tej zaum yuav agglomerated, streaks tej zaum yuav tsis sib xyaw sib xyaw).
2. Kuaj cov txheej txheem tsis: Ua ntej, tshuaj xyuas thiab sau cov ntsuas tam sim no xws li qhov kub thiab txias, nrawm nrawm, rov qab siab dua, thiab tso zis. Piv cov no rau cov ntaub ntawv muab cov masterbatch cov txheej txheem pom zoo los yog keeb kwm kev vam meej.
3. Tshawb cov khoom raw: paub meej tias lub hauv paus resin hom, batch, thiab kom qhuav mob yog ib txwm. Paub meej tias cov masterbatch hom, batch, thiab ntxiv sib piv yog qhov tseeb. Puas yog masterbatch qhia cov cim qhia ntawm clumping lossis noo noo? Kuaj xyuas tias pellet morphology ntawm masterbatch thiab resin ntais ntawv.
4. Xyuas cov khoom siv: Puas yog cov txheej txheem pub mis thiab ruaj khov thiab ruaj khov? Puas yog lub lim huv? Puas yog mesh loj tsim nyog? Puas yog lub siab tsis meej pem siab? Puas yog ntsia hlau / Chrel hnav? (Nres lub tshuab rau kev soj ntsuam yog tias ua tau.)
5. Ua cov txheej txheem hloov kho kev hloov kho (ua ntej muaj tsawg- Nthuav dav me ntsis ntawm ntsia hlau ceev. Me ntsis nce nraub qaum siab. Sim ua kom me ntsis txo cov zis. Hloov tsuas yog ib qho ntsuas tsis dhau ib zaug, saib xyuas cov teebmeem, thiab sau lawv.
6. Txiav txim siab Masterbatch yam: sib txuas lus nrog tus neeg xa khoom, piav qhia txog qhov teeb meem thiab kev ntsuas koj tau sim, thiab nrhiav kev txhawb nqa. Nug txog ib qho kev cai tshwj xeeb yuav tsum muaj rau cov masterbatch. Puas yog qhov siab dua cov masterbatch siv? Sim txo cov siab (piv txwv li, ua ntxiv ntxiv piv). Qhov no puas yog lub batch tshiab ntawm masterbatch? Kuaj ib pob uas twb ua haujlwm ua ntej hloov. Rau qhov nyuaj - rau {- Cov xim txawv, thiab xav tau cov tshuaj tua kab mob, thiab cov pa roj hmab dub), nws raug pom zoo hloov mus rau hom masterbatch nrog kev ua kom zoo dua.
7. Cov khoom siv txhim kho (yog tias kev hloov kho saum toj no yog qhov tsis muaj txiaj ntsig thiab cov teeb meem lossis hloov lub lim (sim ua thaj chaw me me) lossis thaj chaw loj dua). Nruab ib qho kev tov khoom zoo li qub ua ntej txoj kev tuag (qis- tus nqi thiab siv tau). Ntsuas qhov mob ntawm cov ntsia hlau thiab txiav txim siab kho lossis hloov nws nrog ntsia hlau tsim nrog kev sib xyaw ntau dua.
8. Kuaj thiab kev ntsuas: Ua kom pom kev nruj ntawm cov qauv hloov pauv), me me soj ntsuam kuaj mob, thiab kev soj ntsuam cov khoom siv sib txawv xim, thiab cov khoom siv mechanical yog tias tsim nyog. Ua cov pelletizing kuaj: Siv me me ntawm yaj me me thiab nias nws mus rau hauv ib pellet nyias. Soj ntsuam cov xim me ntsis thiab cov kab txaij nyob rau hauv pob tshab. Nov yog txoj hauv kev zoo kom sai txiav txim siab cov nyhuv dispersion. Kev ntsuas kev lim: Tso cov txheej lim nrog ntau qhov ntau thiab tsawg thiab thiab tsawg, 20/40/60/80 mesh) nyob rau hauv pem hauv ntej ntawm tus tuag. Saib xyuas kom muaj nuj nqis thiab qhov loj me ntawm cov qog thiab cov xim tsis muaj xim khaws cia ntawm txhua lub lim cov txheej txheem kom muaj kev cuam tshuam tsis zoo (Δp tus nqi).
Cov txheej txheem tseem ceeb ua kom zoo yog thawj kauj ruam: Kub, tig ceev, rov qab siab, thiab pub kev ruaj khov yog feem ntau cov kev kho tau zoo thiab ua tau yooj yim dua. Dispersants yog qhov tseem ceeb: rau qhov nyuaj - - lov qus thiab dispersing formulation yog ib qho ntawm cov kev daws teeb meem tseem ceeb. Nco ntsoov tias tau lees tias qhov no nrog koj tus neeg xa khoom. Kev sib raug zoo yog lub hauv paus: sib xyaw thiab melt kev sib txuam ntawm cov masterbatch cobh thiab lub hauv paus resin yog qhov ua ntej rau kev sib tawg ua ntej. Cov cuab yeej muaj peev xwm yog lub lav: kev tsim cov shear sib xyaw ua ke (cov khoom muag tsim, cov khoom siv qub) thiab cov cuab yeej siv zoo yog qhov tseem ceeb los ua kom muaj kev sib tawg zoo. Lub cev daws teeb meem: Tsis txhob tsom rau ib qho xwb; Kev tsom xam cov txheej txheem thiab kev sim nyob thoob plaws ntau qhov ntev, suav nrog cov khoom nyoos, cov ntaub ntawv, thiab khoom siv. Sib txuas lus nrog cov chaw muag khoom: Tsim kom muaj kev sib txuas lus zoo nrog kev txhim khu kev qha cov tswv yim Masterbatch lwm tus neeg. Lawv cov kev paub ntau thiab kev paub txog kev paub ua rau lawv muaj txiaj ntsig zoo rau cov teeb meem {{daws.
