Mona ke meralo e mehlano ea rabara ea silicone e thehiloeng ho li-retant tse se nang halogen, tse kenyeletsang li-retant tse fanoang ke moreki (aluminium hypophosphite, zinc borate, MCA, aluminium hydroxide, le ammonium polyphosphate). Meralo ena e ikemiselitse ho netefatsa ho lieha ha lelakabe ha ka nako e ts'oanang ho fokotsa bongata ba litlatsetso ho fokotsa tšusumetso litšobotsing tsa mechini tsa rabara ea silicone.
1. Sistimi e Sireletsang Mollo e Tšoanang ea Phosphorus-Naetrojene (Mofuta oa ho Etsa Char o Botle bo Phahameng)
Sepheo: UL94 V-0, mosi o tlase, o loketse lits'ebetso tsa mocheso o mahareng ho isa ho o phahameng
Rabara ea Motheo: Rabara ea silicone ea vinyl ea Methyl (VMQ, 100 phr)
Lintho tse thibelang malakabe:
- Aluminium hypophosphite (AHP, e thehiloeng ho phosphorus): Lihora tse 15
- E fana ka mohlodi o sebetsang hantle wa phosphorus, e kgothaletsa ho thehwa ha char, mme e thibela ho tuka ha kgase.
- Melamine cyanurate (MCA, e thehiloeng ho naetrojene): Lipuo tse 10
- E sebelisana le phosphorus, e ntša likhase tse sa sebetseng, 'me e fokotsa oksijene.
- Borate ea zinki (ZnB): Li-phr tse 5
- E matlafatsa ho thehwa ha char, e thibela mosi, mme e ntlafatsa botsitso ba lera la char.
- Aluminium hydroxide (ATH, mokhoa oa lik'hemik'hale, 1.6–2.3 μm): Lihora tse 20
- Ho bola ha endothermic, ho lieha ha lelakabe le thusang, le ho qhalana ho ntlafetseng.
Lisebelisoa:
- Oli ea hydrogen silicone (2 phr, e ntlafatsa ts'ebetso)
- Silika e fumiloeng (lihora tse 10, matlafatso)
- Moemeli oa ho folisa (Diperoxide, 0.8 phr)
Likaroloana:
- Kakaretso ea ho jara matla a ho thibela malakabe ke hoo e ka bang 50 phr, ho leka-lekanya ho thibela malakabe le thepa ea mechine.
- Ho sebelisana ha phosphorus-naetrojene (AHP + MCA) ho fokotsa bongata bo hlokahalang ba lintho tse thibelang mollo ka bomong.
2. Sistimi e Sireletsang Mollo e ka Hare ho Mahlasedi (Mofuta o Tlase oa ho Jarisa)
Sepheo: UL94 V-1/V-0, e loketse lihlahisoa tse tšesaane
Rabara ea Motheo: VMQ (mantsoe a 100)
Lintho tse thibelang malakabe:
- Ammonium polyphosphate (APP, e thehiloeng ho phosphorus-naetrojene): Lihora tse 12
- Karolo ea mantlha ea ho thehoa ha char e kenang ka hare ho sefuba, e lumellanang hantle le rabara ea silicone.
- Aluminium hypophosphite (AHP): Lipuo tse 8
- Mohloli o tlatsetsang oa phosphorus, o fokotsa hygroscopicity ea APP.
- Borate ea zinki (ZnB): Li-phr tse 5
- Ho kopanya char catalysis le ho thibela ho rotha ha marotholi.
- Aluminium hydroxide (e sitsitsoeng, 3–20 μm): Lihora tse 15
- Sesebelisoa se thusang se thibelang malakabe se theko e tlase, se fokotsa ho jarisoa ha APP.
Lisebelisoa:
- Oli ea silicone ea vinyl (3 phr, polasetiki)
- Silika e nang le pula (lihora tse 15, matlafatso)
- Sistimi ea ho phekola ea platinum (0.1% Pt)
Likaroloana:
- Kakaretso ea ho kenya mollo o thibelang malakabe e ka bang 40 phr, e sebetsa hantle bakeng sa lihlahisoa tse tšesaane ka lebaka la mokhoa oa ho kenella ha mala.
- APP e hloka kalafo ea bokaholimo (mohlala, sesebelisoa sa ho kopanya sa silane) ho thibela ho falla.
3. Sistimi e Ntlafalitsoeng ea Aluminium Hydroxide e Jarang ka Bongata (Mofuta o Sebetsang ka Litšenyehelo)
Sepheo: UL94 V-0, e loketse lihlahisoa tse teteaneng kapa likhoele
Rabara ea Motheo: VMQ (mantsoe a 100)
Lintho tse thibelang malakabe:
- Aluminium hydroxide (ATH, mokhoa oa lik'hemik'hale, 1.6–2.3 μm): Lihora tse 50
- Sethibela-mollo sa mantlha, ho bola ha endothermic, boholo ba dikarolwana tse nyane bakeng sa ho hasana ho betere.
- Aluminium hypophosphite (AHP): Li-phr tse 5
- E ntlafatsa bokgoni ba ho theha char, e fokotsa ho jarisoa ha ATH.
- Borate ea zinki (ZnB): Lipuo tse 3
- Ho thibela mosi le ho thibela ho benya.
Lisebelisoa:
- Sehlahisoa sa ho kopanya sa Silane (KH-550, phr e le 'ngoe, se ntlafatsa sebopeho sa ATH)
- Silika e fumiloeng (li-phr tse 8, matlafatso)
- Phekolo ea peroxide (DCP, 1 phr)
Likaroloana:
- Kakaretso ea ho kenya matla a thibelang malakabe e feta ka makhetlo a 58, empa ATH e laola tšebeliso e ntle ea litšenyehelo.
- Boholo bo bonyenyane ba ATH bo fokotsa tahlehelo ea matla a ho tsikinyeha.
4. Sistimi ea Aluminium Hypophosphite (AHP) e Ikemetseng
Kopo: UL94 V-1/V-2, kapa moo mehlodi ya naetrojene e sa rateheng (mohlala, ho qoba ho fofonela ha MCA ho amang ponahalo).
Tlhahiso e Khothaletsoang:
- Rabara ea Motheo: VMQ (mantsoe a 100)
- Aluminium hypophosphite (AHP): 20–30 metsotso
- Sekhahla se phahameng sa phosphorus (40%); 20 ph e fana ka ~8% ea phosphorus bakeng sa ho thibela malakabe a mollo.
- Bakeng sa UL94 V-0, eketsa ho fihlela ho 30 phr (e ka senya thepa ea mechini).
- Ho Matlafatsa Tlatsetso: Silika (maqhubu a 10–15, e boloka matla)
- Lisebelisoa: Oli ea hydroxyl silicone (2 phr, mokhoa oa ho sebetsa) + sesebelisoa sa ho folisa (Diperoxide kapa sistimi ea platinum).
Likaroloana:
- E itshetlehile ka ho thibela lelakabe la mokgahlelo o kgutsufaditsweng (ho thehwa ha char), e ntlafatsa LOI haholo empa e na le kgatello e fokolang ya mosi.
- Ho jara thepa ka bongata (>25 phr) ho ka thatafatsa thepa; kgothalletsa ho eketsa 3-5 phr ZnB ho ntlafatsa boleng ba char.
5. Aluminium Hypophosphite (AHP) + Motswako oa MCA
Kopo: UL94 V-0, mojaro o tlase o nang le tšebelisano-'moho e thibelang lelakabe la mokhahlelo oa khase.
Tlhahiso e Khothaletsoang:
- Rabara ea Motheo: VMQ (mantsoe a 100)
- Aluminium hypophosphite (AHP): Lipuo tse 12–15
- Mohloli oa phosphorus bakeng sa ho thehoa ha char.
- MCA: Lipuo tse 8–10
- Mohloli oa naetrojene bakeng sa tšebelisano ea PN, o ntša likhase tse sa sebetseng (mohlala, NH₃) ho thibela ho ata ha malakabe.
- Ho Matlafatsa Tlatsetso: Silika (li-phr tse 10)
- Lisebelisoa: Moemeli oa ho kopanya oa silane (1 phr, thuso ea ho hasana) + moemeli oa ho folisa.
Likaroloana:
- Kakaretso ea ho kenya matla a thibelang malakabe ka hare ho ~20–25 phr, e tlase haholo ho feta AHP e ikemetseng.
- MCA e fokotsa tlhoko ea AHP empa e ka ama pepeneneng hanyane (sebelisa nano-MCA haeba ho hlokahala ho hlaka).
Kakaretso ea Sebopeho sa Se thibelang Mollo
| Sebopeho | Tekanyetso e Lebeletsoeng ea UL94 | Kakaretso ea ho Lahlela ho Sireletsang Mollo | Melemo le Mathata |
| AHP feela (makhetlo a 20) | V-1 | Li-phr tse 20 | E bonolo, theko e tlase; V-0 e hloka ≥30 phr ka liphetoho tsa ts'ebetso. |
| AHP feela (makhetlo a 30) | V-0 | Lihora tse 30 | Ho lieha ha lelakabe haholo empa ho thatafala ho eketsehileng le ho fokotseha ha bolelele. |
| AHP 15 + MCA 10 | V-0 | Lipuo tse 25 | Tšusumetso e kopanetsoeng, ts'ebetso e leka-lekaneng (e khothaletsoa bakeng sa liteko tsa pele). |
Litlhahiso tsa Liteko
- Teko ea Bohlokoa: AHP + MCA (15+10 phr). Haeba V-0 e fihlelleha, fokotsa AHP butle-butle (mohlala, 12+10 phr).
- Teko ea AHP e Ikemetseng: Qala ho 20 phr, eketsa ka 5 phr ho lekola LOI le UL94, o shebelle thepa ea mechini.
- Ho Thibela Mosi: Kenya 3-5 phr ZnB ho motsoako ofe kapa ofe ntle le ho beha kotsing ea ho lieha ha lelakabe kotsing.
- Ntlafatso ea Litšenyehelo: Kenya 10–15 phr ATH ho fokotsa litšenyehelo, leha kakaretso ea ho tlatsa e ntse e eketseha.
Mokhoa o Khothaletsoang oa ho Kopanya
(Bakeng sa rabara ea silicone e eketsang likarolo tse peli)
- Kalafo ea Pele ho Rabara ea Motheo:
- Kenya rabara ea silicone (mohlala, 107 gum, oli ea silicone ea vinyl) ka har'a motsoako oa polanete, u behe degas tlas'a vacuum haeba ho hlokahala.
- Ho eketsa ho thibela malakabe:
- Lintho tse thibelang malakabe tse nang le phofo (mohlala, ATH, MH):
- Kenya lihlopha, kopanya le rabara ea motheo esale pele (ho kopanya ka lebelo le tlase, metsotso e 10-15) ho qoba ho kopana.
- Omisa mochesong oa 80–120°C haeba e le hygroscopic.
- Lintho tse thibelang malakabe a metsi (mohlala, li-phosphate):
- Kopanya ka ho toba le oli ea silicone, crosslinker, jj., tlas'a ho kuta ho hoholo (metsotso e 20-30).
- Lisebelisoa tse ling:
- Kenya di-filler ka tatellano (mohlala, silica), crosslinker (hydrosilane), catalyst (platinum), le di-inhibitor.
- Homogenization:
- Ntlafatsa ka ho eketsehileng ho hasanya ka ho sebedisa lelwala la meqolo e meraro kapa emulsifier e nang le ho kuta ho hoholo (e leng ya bohlokwa bakeng sa di-nano-additives tse kang CNTs).
- Ho tlosa khase le ho sefa:
- Sefe ea vacuum degas (-0.095 MPa, metsotso e 30), bakeng sa litlhoko tsa bohloeki bo phahameng.
Lintlha tsa Bohlokoa
- Khetho e Sireletsang Mollo:
- Di-retant tse se nang halogen (mohlala, ATH) di hloka boholo bo bonyenyane ba dikarolwana (1–5 μm); mojaro o feteletseng o senya thepa ya mechini.
- Li-retant tse thehiloeng ho silicone (mohlala, li-resin tsa phenyl silicone) li fana ka tšebelisano e betere empa ka theko e phahameng.
- Taolo ea Ts'ebetso:
- Mocheso o ka holimo ho 60°C (o thibela chefo ea catalyst ea platinum kapa ho fola pele ho nako).
- Mongobo ≤ 50% RH (e qoba ditlamorao pakeng tsa oli ya hydroxyl silicone le dithibela-malakabe).
Qetello
- Tlhahiso e Kgolo: Kopanya lintho tse thibelang malakabe esale pele le rabara ea motheo bakeng sa katleho.
- Litlhoko tsa botsitso bo phahameng: Kopanya nakong ea ho kopanya ho fokotsa likotsi tsa polokelo.
- Mekhoa ea ho Sireletsa Mollo oa Nano-Flame: Ho hasana ho tlamang ho thibela ho kopana ha difate.
More info., pls contact lucy@taifeng-fr.com
Nako ea poso: Phupu-25-2025
