Phendula: Amalungiselelo ombala we-preperse asetshenziswa kakhulu ku-masterbatch asetshenziselwa i-fiber, ifilimu, ikhebula njll, futhi avunyelwe ukufaka imibala kumapulasitiki afaka i-PP, i-PE, i-PVC, i-EVA, i-PA
Phendula: I-mixer evamile noma i-mixer enesivinini esincane iyanconywa ukuze ihlanganise ukulungiswa kwe-Preperse pigment nama-resin. Asikho isidingo sokusebenzisa i-mixer enesivinini esikhulu noma ezinye izithasiselo njengoba ukuhlakazeka komkhiqizo wethu kuthuthukiswe ngokwanele.
Sicela uqinisekise ukuthi ukulungiswa kwe-Preperse pigment kanye nama-resin kufanele kuhlanganiswe ngokufanayo. Ngenqubo yokuxuba, ama-powdery resins ahlala ehlonishwa ngoba asiza i-homogenizing eyanele.
Phendula: Asikho isidingo sokufaka enye i-ejenti ehlakazayo ngesikhathi sokukhiqiza.
Phendula: Cha. Isihlanganisi esinesivinini esikhulu asikaze siphakanyiswe ukuthi sixube amalungiselelo ethu nama-resin noma ezinye izinto
Siphakamisa ukuthi usebenzise i-mixer enesivinini esiphansi ngokwezizathu ezilandelayo. Iphuzu elincibilikayo lamalungiselelo e-Preperse pigment (uchungechunge lwe-PE-S/PE-S/PP-S/PVC) licishe libe ngu-60C - 80C. Isivinini esikhulu kanye nokuxuba isikhathi eside kuzoholela ekushiseni okuphezulu okubangela
i-agglomeration phakathi kwezinto ezihlukene njengoba amaphuzu ancibilikayo ahlukile.
Phendula. Yebo, umkhiqizo wethu uhlakazeke kahle futhi kudingeka amandla amancane okugunda ekukhiqizeni i-masterbatch. Ngakho-ke i-screw extruder eyodwa iyamukeleka uma ihlangabezana nezidingo ezingezansi
I-screw extruder eyodwa kufanele ibe nesilinganiso se-L/D ngaphezu kuka-1:25 futhi ifakwe iyunithi eqeda umoya. Izinga lokushisa lokucubungula kufanele lisebenze futhi lilawuleke. Isibonelo mayelana nendawo yokuqala ye-extruder, izinga lokushisa kufanele lilawulwe ngaphansi kuka-50°C ukuze kugwenywe ukudluliselwa kwezinga lokushisa eliphezulu ezingxenyeni zokuphakela bese kubangele ukuhlangana kwezinto. Idatha yethu yokuhlola ibonisa, ku-mono masterbatch ekhiqizwa i-screw extruder eyodwa, kungcono ukwenza okuqukethwe kwe-pigment kungabi ngaphezu kuka-40%, futhi okuqukethwe kwe-pigment ephansi kunomthelela ekwenzeni i-pellets lula.
Phendula: I-Twin screw extruder iyanconywa lapho kukhiqizwa i-filament masterbatch kanye nesicelo sombala we-masterbatch ukuhlakazeka okuhle kakhulu. Sicela uqinisekise ukuthi izinga lokushisa lezingxenye zokuphakela lingaphansi kuka-50°C uma kwenzeka i-agglomeration.
Ngaphambi kokukhipha i-extruding, i-mixer yejubane eliphansi ihlala inconywa kune-mixer yesivinini esikhulu. Asikho isidingo sokuxuba uma ibhalansi yebhalansi yokudla okuzenzakalelayo isetshenziswa ku-inthanethi.
Phendula: Izinga lokushisa lokungena kufanele libe ngaphansi kuka-50°C futhi izinga lokushisa lendawo yokuqala kufanele lilawulwe libe sezingeni eliphansi elingeke lidlulisele emphinjeni wokuphakela.
Ukushisa okuphelele kokucubungula kufanele kuhlangane endaweni encibilikayo ye-resin noma ngaphezulu nje kuka-10-20°C kunendawo encibilikayo kodwa angeke ibe ngaphansi kuka-130°C. Izinga lokushisa elilinganiselwe lingase libangele i-pelletizing ihluleke ngenxa ye-embrittlement ye-strip ngemva kokushisa ngokweqile
Izinga lokushisa lokucubungula ireferensi: PE 135°C-170°C; PP 160 "C kuya ku-180 °C. Ukuze uthole amandla afanele okugunda ku-fondant, kungcono ukuzama izinga lokushisa elihlukile ngo-5 *C. Ngaphandle kwalokho, isivinini esihlukile sokukhipha futhi sibangela amandla okugunda okuhlukile.
Lapho sisebenzisa ukulungiselela kwethu okokuqala. isivinini esiphumayo kanye nokulungiselelwa kwezinga lokushisa kufanele kushuniswe futhi kwahlulelwe, lungisa amapharamitha okukhiqizwa kwesikhathi esizayo lapho thola ukulingana phakathi kokusebenza kahle nekhwalithi .
Phendula. Izici zokulungiselela i-Preperse pigment zihlukile kune-powder pigment eyomile. Iqukethe inani elithile le-dispersant elakhiwe ekubukekeni kwe-granular. Ngakho-ke, imishini emincane yokuhlola efana ne-screw extruder encane eyodwa noma i-twin roll mill ayiphakanyiselwe ukuhlola ukulungiswa kwe-pigment Preperse ngaphandle kokwenza i-masterbatch kusengaphambili. Ubude besikulufa abanele ukuncibilika okwanele. Amalungiselelo e-granular pigment ahlala ecela isikhathi sokuncibilika ngaphambi kokuhlakazeka.
Siphakamisa ukuthi amakhasimende enze i-mono masterbatch ngaphambi kokuhlola umbala ngezindlela zokujova. Ukugxiliswa kwe-mono masterbatch kungaba ngu-40% phezulu, bese kuhlanjululwa ngezilinganiso ezifanele ukuze kuqhathaniswe.
Phendula: Yebo. Nakuba ukulungiswa kwe-pigment yendabuko ngokuvamile kunokuqukethwe kwe-pigment kusuka ku-40% kuya ku-60%, amalungiselelo amaningi e-Preperse pigment afinyelela okuqukethwe kombala ngaphezu kwama-70%. Irisidi ayiceli kuphela izidingo ezikhethekile zezinto zokusetshenziswa, futhi icela ukusungulwa kwesu lokuqamba kanye nokusungulwa kwemishini. Ngokwamukela lawa masu namathuluzi amasha, senze izivivinyo eziningi, futhi ekugcineni sazuza impumelelo kanye nokuqamba okusha kokuqukethwe.
Phendula. Yebo. Singafinyelela ku-85% ukugxila kwezinye izibala zemvelo zibe amalungiselelo Ikhasimende lingasithumelela imibuzo kanye nemfuneko yolwazi oluqondile.
Phendula. Ingxenye ephezulu yezithako ezisebenzayo(okuqukethwe kombala), kusho izithasiselo ezincane uma kuqhathaniswa ezisiza ukuqeda umthelela wezinye izinto ku-masterbatch. Ngokombono wemikhiqizo yokugcina, isiza ukwehlisa ukuncishiswa kwezakhiwo zemishini.
I-pigment yokuqukethwe okuphezulu kumalungiselelo ombala we-Preperse nawo anomthelela ekwenzeni i-high concentration masterbatch. Isibonelo, kulula ukukhiqiza ngisho no-50% we-pigment egxilile ye-mono masterbatch yohlelo lokusebenza lwe-polypropylene filament.
Phendula: 1. Uma kuqhathaniswa nezingulube zempuphu, ukulungiswa kwe-pigment e-Preperse kuvame ukukhombisa umthunzi ongcono wombala namandla, okukhuphuke ngo-5% -25%, 2. Kuhlobo lwe-granular futhi alunathuli, kusiza ukunciphisa ukungcoliswa kwendawo namathuluzi futhi kube nomthelela indawo yokusebenza ehlanzekile; 3. Akukho ukungcola emshinini, okusiza ukushintsha umbala ngokushesha; 4. I-fluidity enhle. ilungele zonke izinhlobo zokuphakela, ingasebenzisa futhi ukuphakela okuzenzakalelayo kanye nenqubo yokudlulisa imitha ngokuzenzakalelayo ngaphandle kwebhuloho noma ukuvinjwa.
Phendula: Ngokukhiqizwa kweqoqo elincane lama-masterbatches, i-screw extruder eyodwa iyanconywa ukwenza i-masterbatch (sicela uhlole Umbuzo 5, bona izidingo). Amalungiselelo e-pigment e-preperse akhulisa ukuhlakazeka kwezimpushana ze-pigment, ngakho-ke ingahlakazwa kalula futhi ngokuzinza ngomshini omncane onjalo wokugunda.
Ngokukhetha imishini, indlela yokuxuba kanye nokusetha izinga lokushisa, sicela ubheke lokhu okukhulunywe ngenhla
Phendula: Sesiqedile ukusabalalisa kuqala izibala zemvelo ezivamile, ngakho-ke sinombala ogcwele omboziwe. Ukumelana nokushisa kusakazwa kusuka ku-200 ° C kuya ku-300 ° C, ukushesha okukhanyayo nokushesha kwesimo sezulu kusuka kokumaphakathi kuya kokuhle kakhulu, Amalungiselelo ombala oqondile ahlangabezana nezidingo ezihlukene zezinhlelo zokusebenza zokugcina.
Yonke imikhiqizo etholakalayo ibalwe kukhathalogi yethu yomkhiqizo.
Phendula: Gwema ukubola okumanzi nokucindezelwa endaweni yokugcina nokuhamba.
Kungenzeka ukuthi usebenzise ngesikhathi esisodwa ngemva kokukhipha, noma sicela uvale ngokuqinile ukuze ugweme ukuchayeka emoyeni.
Isitsha kufanele sibekwe endaweni epholile, futhi izinga lokushisa lomoya lingeqi ku-40 ° C.
Phendula: Izinto zokusetshenziswa zamalungiselelo e-Preperse pigment ziyacelwa ukuthi zihlangabezane nokuhambisana nemithetho yokuxhumana nokudla efana ne-AP89-1,SVHC neminye imithethonqubo ehambisanayo.
Uma kunesidingo, singanikeza umbiko wokuhlola ukuze siwubhekise.
Phendula: Mayelana ne-filament masterbatch, i-twin-screw extruder isetshenziselwa ukwenza le-mono masterbatch ephezulu yokugxila (40% -50% okuqukethwe kwe-pigment), edinga i-FPV engaphansi kuka-1.0 bar/g, ngokusekelwe ezimeni zokuhlola: 60g obandakanyeka inani le-pigment, 8% i-pigment to resin, kanye nenombolo ye-mesh engu-1400.
Phendula: Yebo. Angasetshenziselwa ukubumba umjovo kanye ne-extrusion ngokuqondile, kodwa izimo zesicelo kumbuzo 1-8. Ngokuhambisana nezidingo ezishiwo, ukusebenzisa i-Preperse pigment amalungiselelo kuhlale kuletha ukuhlakazeka okungcono kune-powdery pigments engathatha indawo yombala.
masterbatch, okusho ukuthi inqubo yokucubungula incishisiwe (akukho ukuxutshwa kanye nenqubo yokwenza i-SPC), futhi isiza ukonga izinto ezingavuthiwe kanye nokwenza ngcono ukusebenza kahle kokukhiqiza.
Phendula:Iningi lamalungiselelo ethu e-Preperse pigment angathuthukisa amandla ombala ebangeni lika-10-25%. Uma kucatshangelwa ukuthuthukiswa kokusebenza kahle kanye nokonga izindleko zabasebenzi, ngokukhiqiza kwethu okunezinga elikhulu ngamasu amasha, intengo ilingana ne-powder pigment, ishibhile nakakhulu kunezinye zazo. Ngaphezu kwalokho, ukuhlakazeka akukwazi ukulinganiswa ngentengo kwezinye izinhlelo zokusebenza ikakhulukazi imicu nefilimu
Ukulungiswa kwe-pigment Preperse kusetshenziswa esikhundleni se-mono masterbatch. Abakhiqizi be-Masterbatch bangenza imibala ngendlela oyifisayo ngokwenza ukulungiswa kwe-Preperse pigment ngaphandle kokukhiqiza i-mono masterbatch. Ngakho-ke, izindleko zesitoko se-mono masterbatch zizoncishiswa futhi inqubo yokukhiqiza izokwenziwa lula.
Ikhasimende lingathola inzuzo eyengeziwe yokonga impahla ngokusebenzisa ukulungiswa kwe-Preperse pigment, ngoba ukuminyana kwenqwaba cishe kuphindwe izikhathi ezi-3 kune-powdery pigment. Ngakho-ke. abathengi bakhokha impahla encane uma bethumela inani elifanayo le-pigment ngenxa yokonga isikhala.