Kodi mungapange bwanji siponji ya latex yoletsa moto?

Pazofunikira za siponji ya latex yoletsa moto, zotsatirazi ndi kusanthula kochokera ku zinthu zingapo zomwe zilipo kale zoletsa moto (aluminium hydroxide, zinc borate, aluminium hypophosphite, MCA) pamodzi ndi malangizo opangira:

I. Kusanthula kwa Kugwiritsa Ntchito Moto Wosatha

Aluminium Hydroxide (ATH)
Ubwino:

• Yosamalira chilengedwe, yotsika mtengo.
• Imagwira ntchito kudzera mu kuwonongeka kwa endothermic ndi kutulutsa nthunzi ya madzi, yoyenera machitidwe opanda halogen.

Zoyipa:

• Imafunika katundu wambiri (30-50 phr) kuti igwire bwino ntchito, zomwe zingakhudze kulimba ndi kuchuluka kwa siponji.

Kugwiritsa ntchito:

• Yoyenera kugwiritsa ntchito njira zoyambira zoletsa moto.
• Ndibwino kuti muphatikize ndi ma synergists (monga zinc borate).

Zinc Borate
Ubwino:

• Choletsa moto chogwirizana, chimawonjezera mphamvu ya ATH.
• Amalimbikitsa kupanga ma char ndi kuchepetsa utsi.

Zoyipa:

• Kugwiritsa ntchito kokha kumafunika kusakanikirana ndi zinthu zina zoletsa moto.

Kugwiritsa ntchito:

• Akulimbikitsidwa ngati synergist ya ATH kapena aluminium hypophosphite.

Aluminiyamu Hypophosphite
Ubwino:

• Yogwira ntchito bwino kwambiri, yopanda halogen, yotsika mtengo (10-20 phr).
• Kukhazikika kwa kutentha kwabwino, koyenera kupirira kuchedwa kwa moto kwambiri.

Zoyipa:

• Mtengo wokwera.
• Kugwirizana ndi makina a latex kumafunika kutsimikiziridwa.

Kugwiritsa ntchito:

• Yoyenera miyezo yoletsa moto kwambiri (monga UL94 V-0).
• Ikhoza kugwiritsidwa ntchito yokha kapena kuphatikiza.

MCA (Melamine Cyanurate)
Ubwino:

• Choletsa moto chochokera ku nayitrogeni, choletsa utsi.

Zoyipa:

• Kufalikira kosauka.
• Zingasokoneze kutulutsa thovu.
• Kutentha kwakukulu kwa kuwonongeka (~300°C), kosagwirizana ndi kukonza latex kotsika kutentha.

Kugwiritsa ntchito:

• Sikoyenera kuonedwa ngati chinthu chofunika kwambiri; kumafuna kutsimikizira koyeserera.

II. Mafomu Ovomerezeka ndi Malangizo a Njira

Fomu 1: ATH + Zinc Borate (Njira Yachuma)
Kapangidwe kake:

• Aluminium Hydroxide (ATH): 30-40 phr
• Zinc Borate: 5-10 phr
• Chotulutsira (monga cholumikizira cha silane): 1-2 phr (chimawongolera kufalikira)

Makhalidwe:

• Mtengo wotsika, wosamalira chilengedwe.
• Yoyenera zofunikira pakutha kwa moto (monga UL94 HF-1).
• Zingachepetse pang'ono kulimba kwa siponji; Kukonzanso kwa Vulcanization kukufunika.

Fomula 2: Aluminium Hypophosphite + Zinc Borate (Njira Yogwiritsira Ntchito Moyenera Kwambiri)
Kapangidwe kake:

• Aluminium Hypophosphite: 15-20 phr
• Zinc Borate: 5-8 ph
• Chopaka pulasitiki (monga parafini yamadzimadzi): 2-3 phr (chimathandiza kuti zinthu ziyende bwino)

Makhalidwe:

• Kugwiritsa ntchito bwino kwambiri kwa lawi, kutsitsa katundu.
• Yoyenera kugwiritsidwa ntchito pa zinthu zomwe anthu ambiri amafuna (monga vertical burn V-0).
• Kugwirizana kwa aluminiyamu hypophosphite ndi latex kumafunika kuyesedwa.

Fomu 3: ATH + Aluminium Hypophosphite (Njira Yoyenera)
Kapangidwe kake:

• Aluminiyamu hydroxide: 20-30 ph
• Aluminium Hypophosphite: 10-15 phr
• Zinc Borate: 3-5 ph

Makhalidwe:

• Kuwerengera mtengo ndi magwiridwe antchito.
• Amachepetsa kudalira chinthu chimodzi choletsa moto, kuchepetsa kukhudzidwa kwa zinthu zakuthupi.

III. Zoganizira za Njira

Kufalikira:

• Zinthu zoletsa moto ziyenera kuphwanyidwa kufika pa ≤5μm kuti zisakhudze kapangidwe ka thovu.
• Kusakaniza kwa latex kapena zida zosakaniza mwachangu kwambiri kumalimbikitsidwa.

Matenda Ochiritsa:

• Sinthani kutentha kwa latex (nthawi zambiri 110-130°C) kuti mupewe kuwonongeka msanga kwa zinthu zoletsa moto.

Kuyesa Magwiridwe Antchito:

• Mayeso ofunikira: Oxygen Index (LOI), Vertical Burn (UL94), Density, Resilience.
• Ngati kuchedwa kwa moto sikukwanira, pang'onopang'ono onjezerani aluminium hypophosphite kapena ATH ratios.

IV. Malangizo Owonjezera

Kuyesa kwa MCA:

• Ngati mukuyesera, gwiritsani ntchito 5-10 phr m'magulu ang'onoang'ono kuti muwone momwe thovu limagwirira ntchito.

Ziphaso Zachilengedwe:

• Onetsetsani kuti zinthu zoletsa moto zomwe zasankhidwa zikutsatira RoHS/REACH potumiza kunja.

Zosakaniza Zogwirizana:

• Ganizirani kuwonjezera nanoclay pang'ono (2-3 phr) kuti muwonjezere zotsatira za char barrier.

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