Momwe mungachepetse kachulukidwe ka utsi wa zomatira za epoxy ndi AHP retardant lawi ndi MCA?

Kuphatikiza kwa aluminium hypophosphite ndi MCA kumamatira a epoxy kumabweretsa utsi wambiri. Kugwiritsa ntchito zinki borate kuti muchepetse kuchulukana kwa utsi ndi kutulutsa utsi ndizotheka, koma mapangidwe omwe alipo akuyenera kukonzedwa bwino kuti agwirizane.

1. Njira Yochepetsera Utsi wa Zinc Borate

Zinc borate ndi njira yabwino yopondereza utsi komanso synergist yoletsa moto. Njira zake ndi izi:

• Kutsatsa kwa Char Formation: Amapanga chiwongolero chowundana pa kuyaka, kupatula mpweya ndi kutentha, komanso kuchepetsa kutulutsa mpweya woyaka.
• Kuletsa Kusuta: Imasokoneza machitidwe olumikizirana kuti muchepetse kufalikira kwa utsi, kuchepetsa kuchuluka kwa utsi (makamaka polima ngati epoxy).
• Zotsatira za Synergistic: Imawonjezera kuchedwa kwa lawi ikaphatikizidwa ndi phosphorous-based (monga aluminiyamu hypophosphite) ndi nitrogen-based (monga MCA) zoletsa moto.

2. Njira Zina kapena Zowonjezera Utsi

Kuti muwonjezere kukhathamiritsa kwa utsi, lingalirani njira zotsatirazi za synergistic:

• Molybdenum Compounds(monga zinki molybdate, molybdenum trioxide): Yothandiza kwambiri kuposa zinki borate koma yokwera mtengo; tikulimbikitsidwa kusakaniza ndi zinki borate (mwachitsanzo, zinki borate: zinki molybdate = 2:1).
• Aluminium / Magnesium Hydrooxide: Imafunika kukweza kwambiri (20-40 phr), zomwe zingakhudze makina a epoxy - sinthani mosamala.

3. Analimbikitsa Mapangidwe Kusintha

Kungoganiza kuti mapangidwe apachiyambi ndialuminium hypophosphite + MCA, nawa mayendedwe okhathamiritsa (kutengera magawo 100 a epoxy resin):

Njira 1: Kuphatikiza kwachindunji kwa Zinc Borate

• Aluminium hypophosphite: Chepetsani kuchokera ku 20-30 phr mpaka15-25 mphindi
• MCA: Chepetsani kuchokera ku 10-15 phr mpaka8-12 mphindi
• Zinc borate: Onjezani5-15 mphindi(yambani kuyesa pa 10 phr)
• Zonse zoletsa moto: Khalani pa30-40 mphindi(peŵani kuchuluka kwa zinthu zomwe zingasokoneze ntchito zomatira).

Njira 2: Zinc Borate + Zinc Molybdate Synergy

• Aluminium hypophosphite:15-20 mphindi
• MCA:5-10 mphindi
• Zinc borate:8-12 mphindi
• Zinc molybdate:4-6 mphindi
• Zonse zoletsa moto:30-35 mphindi.

4. Miyezo Yotsimikizika Yofunikira

• Flame Retardancy: UL-94 kuwotcha molunjika, kuyesa kwa LOI (chandamale: V-0 kapena LOI> 30%).
• Kuchulukana kwa Utsi: Gwiritsani ntchito choyezera kachulukidwe ka utsi (mwachitsanzo, chipinda cha utsi cha NBS) kuti mufananize kuchepetsa Kuchuluka kwa Utsi (SDR).
• Mechanical Properties: Onetsetsani kuti mphamvu zamakokedwe ndi mphamvu zomatira zimakwaniritsa zofunikira mukachiritsa.
• Kuthekera: Tsimikizirani kubalalitsidwa yunifolomu kwa zoletsa moto popanda kukhudza kukhuthala kapena kuchiritsa nthawi.

5. Kuganizira

• Particle Size Control: Sankhani nano-kakulidwe nthaka borate (mwachitsanzo, tinthu kukula <1 μm) kusintha kubalalitsidwa.
• Kusintha Pamwamba: Tetezani zinc borate ndi silane coupling agent kuti igwirizane ndi epoxy resin.
• Kutsata Malamulo: Onetsetsani kuti zoletsa moto zomwe zasankhidwa zikukwaniritsa RoHS, REACH, ndi malamulo ena.

6. Kupanga Zitsanzo (Njira)

7. Mwachidule

• Zinc borate ndi njira yabwino yochepetsera utsi. Ndibwino kuwonjezera10-15 mphindipomwe amachepetsa pang'ono aluminium hypophosphite/MCA.
• Kuti muchepetse utsi wina, phatikizani ndi molybdenum (mwachitsanzo,4-6 mphindi).
• Kutsimikizira koyeserera ndikofunikira kuti muchepetse kuchedwa kwa malawi, kuponderezana kwa utsi, komanso mphamvu zamakina.

Let me know if you’d like any refinements! Lucy@taifeng-fr.com