Rau cov kev xav tau ntawm cov tshuaj nplaum latex uas tiv taus hluav taws, cov hauv qab no yog kev tshuaj xyuas raws li ntau cov tshuaj tiv taus hluav taws uas twb muaj lawm (aluminium hydroxide, zinc borate, aluminium hypophosphite, MCA) nrog rau cov lus qhia txog kev tsim cov tshuaj:
I. Kev Tshawb Fawb Txog Kev Siv Cov Khoom Uas Muaj Teeb Meem Hluav Taws Xob
Txhuas Hydroxide (ATH)
Cov txiaj ntsig:
- Ib puag ncig tus phooj ywg, pheej yig.
- Ua haujlwm los ntawm kev rhuav tshem cov pa dej thiab tso cov pa dej tawm, tsim nyog rau cov kab ke uas tsis muaj halogen.
Qhov Tsis Zoo:
- Yuav tsum tau muaj kev thauj khoom siab (30-50 phr) rau qhov ua tau zoo, uas yuav cuam tshuam rau daim txhuam cev elasticity thiab qhov ceev.
Kev Siv Tau:
- Haum rau cov qauv yooj yim uas tiv taus hluav taws.
- Pom zoo kom sib xyaw nrog cov tshuaj synergists (piv txwv li, zinc borate).
Zinc Borate
Cov txiaj ntsig:
- Synergistic nplaim taws retardant, txhim kho ATH kev ua haujlwm zoo.
- Txhawb kev tsim cov char thiab txo cov pa luam yeeb.
Qhov Tsis Zoo:
- Siv ib leeg xwb tsis muaj txiaj ntsig zoo; yuav tsum tau siv ua ke nrog lwm cov tshuaj tua hluav taws.
Kev Siv Tau:
- Pom zoo kom siv ua synergist rau ATH lossis txhuas hypophosphite.
Aluminium Hypophosphite
Cov txiaj ntsig:
- Ua haujlwm tau zoo heev, tsis muaj halogen, tsis tshua muaj kev thauj khoom (10-20 phr).
- Kev ruaj khov thermal zoo, tsim nyog rau cov kev xav tau hluav taws kub siab.
Qhov Tsis Zoo:
- Tus nqi siab dua.
- Kev sib raug zoo nrog cov txheej txheem latex yuav tsum tau kuaj xyuas.
Kev Siv Tau:
- Haum rau cov qauv hluav taws kub siab (piv txwv li, UL94 V-0).
- Siv tau ib leeg los yog ua ke.
MCA (Melamine Cyanurate)
Cov txiaj ntsig:
- Cov tshuaj tua hluav taws uas muaj nitrogen, tiv thaiv pa luam yeeb.
Qhov Tsis Zoo:
- Kev tawg tsis zoo.
- Tej zaum yuav cuam tshuam rau kev ua npuas dej.
- Kub yaj sai heev (~300°C), tsis sib haum nrog kev ua cov roj hmab latex uas kub qis.
Kev Siv Tau:
- Tsis pom zoo ua qhov tseem ceeb; yuav tsum tau sim ua pov thawj.
II. Cov Qauv thiab Cov Lus Qhia Txog Txheej Txheem
Cov Qauv 1: ATH + Zinc Borate (Kev Xaiv Pheej Yig)
Kev sib xyaw ua ke:
- Txhuas Hydroxide (ATH): 30-40 phr
- Zinc Borate: 5-10 phr
- Cov tshuaj yaj tawm (piv txwv li, tus neeg sawv cev silane coupling): 1-2 phr (txhim kho kev yaj tawm)
Cov yam ntxwv:
- Tus nqi qis, tus phooj ywg ib puag ncig.
- Haum rau cov kev cai dav dav txog kev tiv thaiv hluav taws (piv txwv li, UL94 HF-1).
- Tej zaum yuav txo qhov ua kom daim txhuam cev muaj zog me ntsis; xav tau kev kho kom zoo dua qub.
Cov Qauv 2: Aluminium Hypophosphite + Zinc Borate (Kev Xaiv Ua Haujlwm Zoo)
Kev sib xyaw ua ke:
- Aluminium Hypophosphite: 15-20 phr
- Zinc Borate: 5-8 phr
- Cov tshuaj ua kom yas (piv txwv li, kua paraffin): 2-3 phr (txhim kho kev ua haujlwm)
Cov yam ntxwv:
- Kev ua haujlwm hluav taws kub siab, kev thauj khoom tsawg.
- Haum rau cov xwm txheej uas muaj kev thov ntau (piv txwv li, hlawv ntsug V-0).
- Kev sib raug zoo ntawm txhuas hypophosphite nrog latex xav tau kev kuaj xyuas.
Cov Qauv 3: ATH + Aluminium Hypophosphite (Kev Xaiv Sib Npaug)
Kev sib xyaw ua ke:
- Txhuas Hydroxide: 20-30 phr
- Aluminium Hypophosphite: 10-15 phr
- Zinc Borate: 3-5 phr
Cov yam ntxwv:
- Sib npaug tus nqi thiab kev ua tau zoo.
- Txo kev siv ib yam tshuaj tiv thaiv hluav taws xwb, txo qhov cuam tshuam rau cov khoom siv lub cev.
III. Kev Xav Txog Cov Txheej Txheem
Kev tawg ua tej daim me me:
- Cov tshuaj tiv thaiv hluav taws yuav tsum tau zom kom txog ≤5μm kom tsis txhob cuam tshuam rau cov qauv ua npuas ncauj.
- Pom zoo kom muab cov kua nplaum (latex) los yog cov khoom siv sib tov ua ntej.
Cov Kev Mob Kho:
- Tswj qhov kub ntawm kev kho (feem ntau yog 110-130 ° C rau cov roj hmab latex) kom tiv thaiv kev lwj ua ntej lub sijhawm ntawm cov tshuaj tua hluav taws.
Kev Ntsuas Kev Ua Haujlwm:
- Cov kev ntsuam xyuas tseem ceeb: Oxygen Index (LOI), Vertical Burn (UL94), Density, Resilience.
- Yog tias qhov hluav taws kub tsis txaus, maj mam nce cov aluminium hypophosphite lossis ATH piv.
IV. Cov Lus Qhia Ntxiv
Kev Xeem MCA:
- Yog tias sim, siv 5-10 phr ua cov khoom me me kom pom qhov cuam tshuam rau kev ua npuas dej sib xws.
Cov Ntawv Pov Thawj Ib puag ncig:
- Xyuas kom tseeb tias cov tshuaj tua hluav taws uas xaiv tau ua raws li RoHS / REACH rau kev xa tawm.
Cov tshuaj sib xyaw ua ke:
- Xav txog kev ntxiv me me ntawm nanoclay (2-3 phr) los txhim kho cov teebmeem ntawm kev thaiv char.
This proposal serves as a reference. Small-scale trials are recommended to optimize specific ratios and process parameters. More info , pls contact lucy@taifeng-fr.com
Lub sijhawm tshaj tawm: Tsib Hlis-22-2025
