diẹ ninu awọn agbekalẹ itọkasi roba silikoni ti o da lori awọn idaduro ina ti ko ni halogen

Eyi ni awọn apẹrẹ apẹrẹ roba silikoni marun ti o da lori awọn idaduro ina ti ko ni halogen, ti o ṣafikun awọn imuduro ina ti a pese nipasẹ alabara (aluminiomu hypophosphite, borate zinc, MCA, aluminiomu hydroxide, ati ammonium polyphosphate). Awọn aṣa wọnyi ṣe ifọkansi lati rii daju idaduro ina lakoko ti o dinku awọn iye afikun lati dinku ipa lori awọn ohun-ini ẹrọ ti roba silikoni.

1. Fọsifọọsi-Nitrogen Synergistic Iná Retardant System (Iru-Ṣiṣe Char-Ṣiṣe ṣiṣe giga)

Àfojúsùn: UL94 V-0, ẹfin kekere, o dara fun awọn ohun elo alabọde-si-giga-giga

Roba mimọ: Methyl fainali silikoni roba (VMQ, 100 phr)

Ina Retardants:

• Aluminiomu hypophosphite (AHP, orisun irawọ owurọ): 15 phr
• Pese orisun irawọ owurọ daradara, ṣe agbega idasile eedu, o si dinku ijona-fase gas.
• Melamine cyanurate (MCA, orisun nitrogen): 10 phr
• Ṣiṣẹpọ pẹlu irawọ owurọ, tu awọn gaasi inert silẹ, ati dilutes atẹgun.
• Zinc borate (ZnB):5phr
• Catalyzes idasile char, dinku ẹfin, ati mu iduroṣinṣin ipele char jẹ.
• Aluminiomu hydroxide (ATH, ọna kemikali, 1.6-2.3 μm): 20 phr
• Jijẹ endothermic, idaduro ina iranlọwọ, ati ilọsiwaju itusilẹ.

Awọn afikun:

• Epo silikoni Hydroxyl (2 phr, imudara ilana ṣiṣe)
• Silika ti o ti mu (10 phr, imuduro)
• Aṣoju imularada (Diperoxide, 0.8 phr)

Awọn ẹya ara ẹrọ:

• Lapapọ ikojọpọ idaduro ina ina ~ 50 phr, iwọntunwọnsi idaduro ina ati awọn ohun-ini ẹrọ.
• Iṣọkan Fosforu-nitrogen (AHP + MCA) dinku iye ti a beere fun awọn idaduro ina kọọkan.

2. Eto Idaduro Ina Intumescent (Iru Ikojọpọ Kekere)

Àfojúsùn: UL94 V-1 / V-0, o dara fun awọn ọja tinrin

Roba mimọVMQ (100 phr)

Ina Retardants:

• Ammonium polyphosphate (APP, orisun irawọ owurọ-nitrogen): 12 phr
• Mojuto ti idasile eedu intumescent, pẹlu ibaramu to dara pẹlu roba silikoni.
• Aluminiomu hypophosphite (AHP): 8phr
• Orisun irawọ owurọ, dinku hygroscopicity APP.
• Zinc borate (ZnB):5phr
• Synergistic char catalysis ati drip bomole.
• Aluminiomu hydroxide (ilẹ, 3-20 μm): 15 phr
• Idaduro ina iranlọwọ iye owo kekere, dinku ikojọpọ APP.

Awọn afikun:

• Epo silikoni fainali (3 phr, ṣiṣu)
• Yanrin ti o ṣaju (15 phr, imuduro)
• Eto mimu Platinum (0.1% Pt)

Awọn ẹya ara ẹrọ:

• Lapapọ ikojọpọ ina retardant ~ 40 phr, munadoko fun awọn ọja tinrin nitori ẹrọ intumescent.
• APP nilo itọju oju ilẹ (fun apẹẹrẹ, aṣoju asopọ silane) lati ṣe idiwọ ijira.

3. Eto Iṣapeye Aluminiomu Hydroxide ti o ga-giga (Iru-Idoko-owo)

Àfojúsùn: UL94 V-0, o dara fun awọn ọja ti o nipọn tabi awọn kebulu

Roba mimọVMQ (100 phr)

Ina Retardants:

• Aluminiomu hydroxide (ATH, ọna kemikali, 1.6-2.3 μm): 50 phr
• Idaduro ina akọkọ, ibajẹ endothermic, iwọn patiku kekere fun pipinka to dara julọ.
• Aluminiomu hypophosphite (AHP):5phr
• Ṣe imudara ṣiṣe iṣelọpọ agbara, dinku ikojọpọ ATH.
• Zinc borate (ZnB): 3phr
• Ẹfin bomole ati egboogi-glowing.

Awọn afikun:

• Aṣoju idapọ Silane (KH-550, 1 phr, ṣe ilọsiwaju wiwo ATH)
• Silica ti a ti mu (8 phr, imuduro)
• Peroxide imularada (DCP, 1 phr)

Awọn ẹya ara ẹrọ:

• Lapapọ ikojọpọ ina retardant ~ 58 phr, ṣugbọn ATH jẹ gaba lori fun ṣiṣe idiyele.
• Iwọn patiku ATH kekere dinku pipadanu agbara fifẹ.

4. Standalone Aluminiomu Hypophosphite (AHP) Eto

Ohun elo: UL94 V-1/V-2, tabi nibiti awọn orisun nitrogen jẹ aifẹ (fun apẹẹrẹ, yago fun foomu MCA ti o ni ipa lori irisi).

Ilana ti a ṣe iṣeduro:

• Roba mimọVMQ (100 phr)
• Aluminiomu hypophosphite (AHP): 20-30 phr
• Akoonu irawọ owurọ (40%); 20 phr pese ~ 8% irawọ owurọ fun idaduro ina ipilẹ.
• Fun UL94 V-0, pọ si 30 phr (le ṣe ibajẹ awọn ohun-ini ẹrọ).
• Filler imudaraSilica (10-15 phr, ntọju agbara)
• Awọn afikun: Hydroxyl silikoni epo (2 phr, processing) + oluranlowo iwosan (Diperoxide tabi eto platinum).

Awọn ẹya ara ẹrọ:

• Gbẹkẹle idaduro ina-alakoso-pipade (idasilẹ eefun), ṣe ilọsiwaju LOI ni pataki ṣugbọn o ni idinku eefin to lopin.
• Ikojọpọ giga (> 25 phr) le di ohun elo naa le; ṣeduro fifi kun 3–5 phr ZnB lati mu didara char dara sii.

5. Aluminiomu Hypophosphite (AHP) + MCA Blend

Ohun elo: UL94 V-0, kekere ikojọpọ pẹlu gaasi-alakoso iná retardant amuṣiṣẹpọ.

Ilana ti a ṣe iṣeduro:

• Roba mimọVMQ (100 phr)
• Aluminiomu hypophosphite (AHP): 12–15 phr
• Orisun phosphorus fun dida eedu.
• MCA: 8-10 phr
• Orisun Nitroji fun amuṣiṣẹpọ PN, tu awọn gaasi inert silẹ (fun apẹẹrẹ, NH₃) lati dena itankale ina.
• Filler imudaraYanrin (10 phr)
• Awọn afikun: Aṣoju idapọ Silane (1 phr, iranlọwọ pipinka) + oluranlowo imularada.

Awọn ẹya ara ẹrọ:

• Lapapọ ikojọpọ idaduro ina ina ~ 20–25 phr, ni pataki kekere ju AHP adaduro lọ.
• MCA dinku ibeere AHP ṣugbọn o le ni ipa diẹ si akoyawo (lo nano-MCA ti o ba nilo alaye).

Flame Retardant Formulation Lakotan

Awọn iṣeduro Idanwo

1. Ayo Igbeyewo: AHP + MCA (15+10 phr). Ti V-0 ba waye, dinku AHP diėdiė (fun apẹẹrẹ, 12+10 phr).
2. Igbeyewo AHP imurasilẹ: Bẹrẹ ni 20 phr, afikun nipasẹ 5 phr lati ṣe ayẹwo LOI ati UL94, mimojuto awọn ohun-ini ẹrọ.
3. Gbigbọn eefinFikun-un 3–5 phr ZnB si eyikeyi agbekalẹ laisi ibajẹ idaduro ina.
4. Iṣapeye idiyeleṢafikun 10-15 phr ATH lati dinku idiyele, botilẹjẹpe ikojọpọ kikun kikun n pọ si.

Ilana Idapọ Niyanju

(Fun afikun-apakan meji-apakan silikoni roba)

1. Ipilẹ roba Pre-Itọju:

• Gbe roba silikoni (fun apẹẹrẹ, 107 gomu, epo silikoni fainali) sinu alapọpọ aye, degas labẹ igbale ti o ba nilo.

1. Ina Retardant Afikun:

• Awọn idaduro ina lulú (fun apẹẹrẹ, ATH, MH):
• Fikun-un ni awọn ipele, ṣaju-iṣaaju pẹlu roba ipilẹ (dapọ iyara-kekere, 10-15 min) lati yago fun agglomeration.
• Gbẹ ni 80-120 ° C ti o ba jẹ hygroscopic.
• Awọn idaduro ina olomi (fun apẹẹrẹ, awọn fosifeti):
• Darapọ taara pẹlu epo silikoni, crosslinker, ati bẹbẹ lọ, labẹ irẹrun giga (20-30 min).

1. Miiran Additives:

• Ṣe afikun awọn ohun elo lẹsẹsẹ (fun apẹẹrẹ, yanrin), crosslinker (hydrosilane), ayase (Platinum), ati awọn inhibitors.

1. Isọpọ:

• Siwaju refaini pipinka nipa lilo ọlọ mẹta-yipo tabi emulsifier ti o ga-giga (pataki fun awọn afikun-nano-bii CNTs).

1. Degassing & Filtration:

• Igbale degas (-0.095 MPa, 30 min), àlẹmọ fun awọn ibeere mimọ-giga.

Awọn ero pataki

• Ina Retardant Yiyan:
• Halogen-free retardants (fun apẹẹrẹ, ATH) nilo iwọn patiku ti o dara (1-5 μm); nmu ikojọpọ ipalara darí-ini.
• Awọn idaduro ti o da lori silikoni (fun apẹẹrẹ, awọn resini silikoni phenyl) nfunni ni ibamu to dara julọ ṣugbọn ni idiyele ti o ga julọ.
• Iṣakoso ilana:
• Iwọn otutu ≤ 60°C (ṣe idiwọ majele ayase Pilatnomu tabi imularada ti tọjọ).
• Ọriniinitutu ≤ 50% RH (yago fun awọn aati laarin epo silikoni hydroxyl ati awọn idaduro ina).

Ipari

• Ibi iṣelọpọ: Pre-mix flame retardants pẹlu ipilẹ roba fun ṣiṣe.
• Awọn ibeere Iduroṣinṣin giga: Papọ lakoko sisọpọ lati dinku awọn ewu ibi ipamọ.
• Nano-Flame Retardant Systems: Dandan ga-rẹ-rẹ pipinka lati se agglomeration.

More info., pls contact lucy@taifeng-fr.com