Izindaba

Kungani Ama-Dispersator Endabuko Evame Ukwehluleka kanye Nendlela Ama-Hyperdispersator Axazulula Ngayo

Ekubunjweni komjovo we-masterbatch yombala, abakhiqizi bavame ukubhekana nalokhu:

• Ukungafani kombala phakathi kwamaqoqo
• Imicu yemibala kanye namabala ezingxenyeni ezibunjiwe
• Ukwehluka okukhazimulayo kanye nomswakama womphezulu
• Ukusabalala okungazinzile ngesikhathi sokufakwa kwe-high-shear
• Ukusebenza kahle kwemishini okunciphile ngenxa yokungasebenzi kahle

Ngisho nalapho kusetshenziswa ama-dispersant avamile noma ama-dispersant agents, ukusebenza kuvame ukwehluleka ngaphansi kwezimo zangempela zokubumba umjovo.

Kungani?

Ngoba izinhlelo eziningi zenzelwe ukwakheka kokuhlakazeka, hhayi ukugcina ukuzinza kokuhlakazeka ngaphansi kokucindezeleka kokucubungula.

I-Dispersant/Dispersing Ejenti ku-Polymer Systems

I-dispersant (noma i-ejenti yokuhlakaza) iyisengezo esisebenzayo esisetshenziswa ezinhlelweni ze-polymer eziqukethe i-pigment ukuze:

• Thuthukisa ukumanzisa kombala
• Nciphisa ukuhlangana kwezinhlayiya
• Qinisa ukusatshalaliswa kombala ku-matrix ye-polymer

Kumapulasitiki ezimboni, lezi zithasiselo zivame ukubizwa ngokuthi:

• Isihlanzisi se-pigment
• I-ejenti yokusabalalisa ye-masterbatch yombala
• Isithasiselo sokusabalalisa i-polymer
• I-ejenti yokumanzisa nokuhlakaza

Zisetshenziswa kabanzi kumapulasitiki obunjiniyela, ekukhiqizweni kwe-masterbatch, kanye nasezinhlelweni zekhompiyutha zobuchwepheshe.

Kungani Ama-Dispers Endabuko Ehluleka Ekubunjweni Kwemijovo
1. Umkhawulo Wokuklama Okumanzisa Kuphela

Iningi lama-dispersant ligxila ekumanziseni kokuqala, hhayi ekuzinzeni kwesikhathi eside.

2. Ukuhlanganiswa kabusha kwe-Shear

Ngesikhathi sokubumba ngomjovo:

• Ukugeleza okuphezulu kokusika
• Ukujikeleza kwe-thermal
• Ukwehluka kwengcindezi

→ Ama-pigment angaphinde ahlangane ngisho nangemva kokuhlanganiswa ngempumelelo.

3. Ukungazinzi kwe-Rheology

Izinto eziningi ezivamile zokuhlakaza zilungisa i-viscosity kodwa zehluleka ukuzinzisa ukusatshalaliswa kombala ngesikhathi sokubumba ngomjovo.

4. Igebe Lokuhambisana Ne-Resin

Izinhlelo ezahlukene (PP / PE / ABS / PC / PET / PVC) zidala ukuziphatha kokuhlakazeka okungaguquki, okuthinta ukufana kombala.

Ukuvimba Kwendlela: Kungani Izinhlelo Zokusabalalisa Ama-Hyperdisperant Zisebenza Kangcono

Ukusabalala kombala wesimanje kudinga imodeli yokuzinza enezingqimba ezintathu:

1. Ukumanzisa phakathi kobuso – Yehlisa ukucindezeleka phakathi kobuso nge-pigment-polymer
2. Ukususwa kwe-Agglomeration – Hlukanisa amaqoqo e-pigment abe yizinhlayiya eziyinhloko
3. Ukuqina Okuqinile – Vimbela ukuhlangana kabusha ngaphansi kokucheba nokushisa

→ Izihlanzi zendabuko zivame ukumboza kuphela uLeveli 1
→ Isembozo se-hyperdispersant esithuthukisiwe Izingqimba 1 + 2 + 3

Isixazululo Sokuhlakazeka:Indlela Yokusabalalisa I-Hyperdispersant Esekelwe ku-Silicone

(Umhlahlandlela Owusizo Wokuthuthukisa Ukusabalala Kwemibala, Ukuvumelana Kombala, kanye Nokuzinza Kokucubungula Kuma-Plastic Compounds kanye nama-Masterbatches)

I-SILIKEI-SILIMER 6200 i-silicone hyperdispersant iklanyelwe ngqo ukulungiselela ukugxila kombala kanye namakhemikhali obuchwepheshe. Ingasetshenziswa futhi ekusakazweni kombala owodwa kanye nokugxila kombala okwenziwe ngokwezifiso ukuze kuqhutshwe inqubo yokuhlakazeka edingayo. Ihlinzeka:

• Ukusebenza kahle kokumanzisa umbala okuthuthukisiwe
• Ukusabalala okufanayo ekuncibilikeni
• I-rheology ezinzile ngesikhathi sokubumba umjovo
• Ukuvimbela ukuhlangana kabusha
• Ukubukeka okuthuthukisiwe kobuso kanye nokuvumelana kombala

Iyahambisana ne:
I-PP | I-PE | I-PS | I-ABS | I-PC | I-PVC | I-PET | I-PBT

Umthelela Wokusebenza Ezinhlelweni Zokucubungula Zangempela

Uma usebenzisa uhlelo olusizwa yi-hyperdispersant:

• Ukuphambuka kombala phakathi kwamaqoqo kuyancipha
• Imicu engaphezulu kanye namamaki okugeleza ancishisiwe
• Ukungaguquguquki okukhazimulayo kuyathuthuka
• Izinga lokulahlekelwa ngenxa yokukhubazeka kokubukeka liyehla
• Ukuzinza kokudluliselwa kwe-Masterbatch kuyathuthuka
Izindawo Zokufaka Isicelo
• Ukuhlobisa kwangaphakathi kwezimoto (izinhlelo ze-PP / ABS)
• Izindawo zokugcina izinto zikagesi zabathengi (i-PC / i-ABS)
• Ukukhiqizwa kwe-masterbatch yombala
• Ubunjiniyela bamakhemikhali epulasitiki
• Ama-polymer anombala aqiniswe ngefayibha (GF-PP, GF-PA)
Umhlahlandlela Wokukhetha (Wonjiniyela Nabaqambi)

Sebenzisa izinhlelo ezisizwa yi-hyperdispersant uma ubona:

• Ukushintshashintsha kombala okungapheli ngemva kokuhlanganiswa
• Umbala ongazinzile ngesikhathi sokubumba umjovo
• Ukungahambisani phakathi kwe-masterbatch ne-resin
• Izidingo eziphezulu zokulayisha umbala
• Ukungahambisani kokukhanya noma komthunzi ekukhiqizeni

Indlela yokuhlola enconyiwe:

• Hlola ezimweni eziningi zokugunda izinwele
• Qinisekisa esinyathelweni sokugcina sokubumba umjovo (hhayi kuphela ngesikhathi sokuhlanganiswa)
• Qinisekisa ukuzinza kwesikhathi eside ngaphansi kokujikeleza kokushisa
Imibuzo Evame Ukubuzwa:Izisabalalisi zepulasitiki kanye ne-Masterbatch

Q1: Uyini umehluko phakathi kwe-dispersant kanye ne-dispersing agent?
I-dispersant igxile ekumanziseni nasekuqiniseni umbala, kuyilapho i-ejenti yokuhlakaza ibhekisela kabanzi ezinsizeni zokucubungula ezisiza ekuhlakazeni ngesikhathi sokuhlanganiswa nokubumba.

Umbuzo 2: Kungani ama-ejenti okuhlakaza ehluleka ekubunjweni komjovo?
Ngoba izinhlelo eziningi azivimbeli ukuhlangana kabusha kombala ngaphansi kokucindezeleka okukhulu kokushisa.

Umbuzo 3: Kuyini i-i-hyperdispersant?
I-hyperdispersant iyisistimu yokwengeza ethuthukisiwe enikeza ukumanzisa, ukususa ukuhlangana, kanye nokuzinza kwesikhathi eside kwama-pigment kuma-polymer matrices.

Isifinyezo

Ukusebenza kahle kwe-masterbatch yombala ozinzile ekubunjweni komjovo kuncike ku-thermodynamics yokusabalala kanye nokuzinza kwe-interfacial, hhayi ukuhlushwa kwe-pigment kuphela. Izinhlelo ze-Hyperdispersant zihlinzeka ngokuzinza kwezigaba eziningi—ukumanzisa, ukususa i-agglomeration, kanye nokugcinwa kokusabalala kwesikhathi eside—okuqinisekisa ukufana kombala okuphezulu, ukuzinza kwe-rheological, kanye nekhwalithi yobuso kuzo zonke izinhlelo ze-polymer.

Ukuguqulwa / Ukuxhumana

Uma uhlelo lwakho lwamanje lwe-dispersant noma i-dispersing agent lungakwazi ukugcina ukuqina kombala ngaphansi kwezimo zangempela zokubumba ngomjovo, hlola uhlelo lokusabalalisa olusizwa yi-hyperdispersant ukuze:

• Thuthukisa ukuzinza kokusabalala kombala
•Thuthukisa ukubukeka kobuso kanye nokucwebezela
•Nciphisa ukuhlukahluka kwezinto ezilahliwe kanye nokukhiqiza

Xhumana ne-SILIKE ukuze uthole ikhambi eliphelele lokusabalala kwama-compound epulasitiki nama-masterbatches, kufaka phakathi ama-masterbatches emibala, ama-masterbatches asebenzayo, ama-masterbatches e-pigment alayisha kakhulu, kanye nama-compounds agcina ilangabi. Xhumana nokuhlolwa kobuchwepheshe, ukuhlolwa kwesampula, ukuhlolwa kokucubungula, kanye nokubonisana ngesicelo ukuze kuthuthukiswe ukusabalala kwe-pigment, kuthuthukiswe ukuhambisana kombala, futhi kuthuthukiswe ukusebenza komkhiqizo.