Ho eketsoa ha aluminium hypophosphite le MCA ho sekhomaretsi sa epoxy ho hlahisa mosi o mongata o mongata. Ho ka khoneha ho sebelisa zinki borate ho fokotsa bongata ba mosi le ho tsoa ha mosi, empa moetso o teng o hloka ho ntlafatsoa bakeng sa karolelano.
1. Mokhoa oa ho Fokotsa Mosi oa Zinc Borate
Zinc borate ke sethibela mosi se sebetsang hantle le se thibelang malakabe. Mekhoa ea eona e kenyelletsa:
- Phatlalatso ea Tlhahiso ea Char: E etsa lesela le teteaneng la char nakong ea ho tuka, e arola oksijene le mocheso, 'me e fokotsa ho tsoa ha khase e tukang.
- Thibelo ea Mosi: E thusa ho fokotsa ho hlaha ha likaroloana tsa mosi, ho fokotsa sekhahla sa mosi (haholo-holo se sebetsa hantle bakeng sa lipolima tse kang epoxy).
- Phello ea Synergistic: E matlafatsa ho lieha ha lelakabe ha e kopantsoe le phosphorus-based (mohlala, aluminium hypophosphite) le nitrogen-based (mohlala, MCA) retardants ea mollo.
2. Mefuta e meng kapa ea Tlatsetso ea Mosi oa Mosi
Bakeng sa ntlafatso e eketsehileng ea khatello ea mosi, nahana ka litharollo tse latelang tsa synergistic:
- Metsoako ea Molybdenum(mohlala, zinc molybdate, molybdenum trioxide): E sebetsa ho feta zinc borate empa e theko e boima; kgothaletswa ho kopanya le zinki borate (mohlala, zinki borate : zinki molybdate = 2:1).
- Aluminium / Magnesium Hydrooxide: E hloka ho jara ho phahameng (20-40 phr), e ka amang thepa ea mochine oa epoxy-fetola ka hloko.
3. Recommended Formation Liphetoho
Ho nka hore tlhahiso ea pele kealuminium hypophosphite + MCAMona ke litsela tsa ho ntlafatsa (ho ipapisitse le likarolo tse 100 tsa epoxy resin):
Khetho ea 1: Keketso e tobileng ea Zinc Borate
- Aluminium hypophosphite: Fokotsa ho tloha 20-30 phr ho15-25 phr
- MCA: Fokotsa ho tloha 10-15 phr ho8-12 phr
- Zinc borate: Eketsa5-15 phr(qala ho etsa liteko ka 10 phr)
- Kakaretso ea lintho tse thibelang lelakabe: Boloka ho30-40 phr(qoba chelete e ngata haholo e amang ts'ebetso ea sekhomaretsi).
Khetho ea 2: Zinc Borate + Zinc Molybdate Synergy
- Aluminium hypophosphite:15-20 phr
- MCA:5-10 phr
- Zinc borate:8-12 phr
- Zinc molybdate:4-6 phr
- Kakaretso ea lintho tse thibelang lelakabe:30-35 phr.
4. Lintlha tsa bohlokoa tsa ho netefatsa
- Lelakabe Retadancy: UL-94 ho chesa ka holimo, liteko tsa LOI (sepheo: V-0 kapa LOI> 30%).
- Tekano ea Mosi: Sebelisa mochine o hlahlobang boima ba mosi (mohlala, kamore ea mosi ea NBS) ho bapisa phokotso ea Tekanyetso ea Mosi (SDR).
- Thepa ea Mechini: Etsa bonnete ba hore matla a tsitsipano le matla a ho khomarela a finyella litlhoko ka mor'a ho phekola.
- Tshebetso ea ho sebetsa: Netefatsa ho hasana ho tšoanang ha li-retardants ntle le ho ama viscosity kapa ho phekola nako.
5. Ho nahanela
- Taolo ea Boholo ba Karolo: Khetha bakeng sa nano-size zinki borate (mohlala, particle size <1 μm) ho ntlafatsa ho hasana.
- Phetoho ea Sebaka: Tšoara zinki borate ka silane coupling agent ho matlafatsa ho lumellana le epoxy resin.
- Tumellano ea Taolo: Netefatsa hore li-retardants tse khethiloeng tsa lelakabe li kopana le RoHS, REACH, le melaoana e meng.
6. Tlhahiso ea Mohlala (Reference)
| Karolo | Chelete (phr) | Mosebetsi |
|---|---|---|
| Epoxy resin | 100 | Resin ea matrix |
| Hypophosphite ea aluminium | 18 | Sesebelisoa sa mantlha sa lelakabe (P-based) |
| MCA | 10 | Se thibelang malakabe a khase ea khase (N-based) |
| Zinc borate | 12 | Synergist ea khatello ea mosi |
| Moemeli oa pheko | Joalo ka ha ho hlokahala | E khethiloe ho latela tsamaiso |
7. Kakaretso
- Zinc borate ke khetho e sebetsang ea ho fokotsa mosi. Khothalletsa ho eketsa10-15 phrha a ntse a fokotsa ka mokhoa o itekanetseng litaba tsa aluminium hypophosphite/MCA.
- Bakeng sa khatello e eketsehileng ea mosi, kopanya le metsoako ea molybdenum (mohlala,4-6 phr).
- Ho netefatsoa ha liteko hoa hlokahala ho leka-lekanya ho lieha ha lelakabe, khatello ea mosi le thepa ea mochini.
Let me know if you’d like any refinements! Lucy@taifeng-fr.com
Nako ea poso: May-22-2025
