Ubwino wa MCA:
- Low kawopsedwe ndi otsika dzimbiri.
LD50 ya melamine cyanurate ndi yoposa 4000 mg/kg. Poyerekeza ndi X-Sb lawi retardant system, dzimbiri la MCA ndi lochepa kwambiri. Mwachitsanzo, PA66 yokhala ndi MCA, yomwe ili mu melted state (300 °C) ndi kukhudzana ndi chitsulo chosapanga dzimbiri pambuyo pa maola 100, dongosolo la MCA pa dzimbiri la nkhungu yachitsulo chosapanga dzimbiri, ndi 1/50 yokha ya dongosolo la X-Sb.
- Kuchuluka kwa utsi wopangidwa ndi wochepa.
MCA imatulutsa CO2, N2 ndi NH3 ikawola ndi kutentha, ndipo palibe HX yomwe imapangidwa, kotero kuchuluka kwa utsi ndi zinthu zapoizoni komanso zowononga zomwe zimapangidwira panthawi yophulika ndi kuyaka ndizochepa kwambiri. Mwachitsanzo, kuchuluka kwa utsi wochuluka (Dm) wa PA6 (UL94 V-0) wosakhazikika, womwe umakhala woletsa moto ndi MCA, ndi 190 ndi 80 motsatana poyesedwa ndi bokosi la utsi la NITS (NBS). Kwa PA6 (UL94 V-0), yomwe imakhala yolephereka ndi X-Sb, mikhalidwe iwiriyi ndi yokwera kwambiri ngati 790 ndi 390 motsatana, mwachitsanzo, yoyambayo ndi pafupifupi 1/4 ya omaliza.
(3) High matenthedwe bata MCA amatha kupirira kutentha pamwamba 320 ° C. Chifukwa chake, imatha kupirira kutentha kwa mapulasitiki azinthu zambiri.
Kugwiritsa ntchito melamine cyanrate
- Moto woyaka moto
MCA ili ndi maatomu ambiri a nayitrogeni mu molekyu ndipo ndiyoyenera kugwiritsidwa ntchito ngati choletsa moto. Zitsanzo za ntchito ndi izi.
(1) MCA imagwiritsidwa ntchito ngati choletsa moto pokonzekera PA-6 flame retardant composites. MCA chimagwiritsidwa ntchito mu PA unreinforced, ndipo malinga ndi ziwerengero, pafupifupi 40% ya unreinforced flame retardant PA ntchito mapulasitiki magetsi ndi magetsi ku Western Europe anali MCA flame retardant mankhwala mu 2003.
Inorganic flame retardant magnesium hydroxide (MH) ndi nayitrogeni yochokera ku flame retardant melamine cyanrate amagwiritsidwa ntchito kaŵirikaŵiri zoletsa malawi opanda halogen kwa PA6 pakadali pano. Kafukufuku wasonyeza kuti MCA ndi MH amagwiritsidwa ntchito ngati zoletsa malawi kukonzekeretsa PA6 flame retardant composites motsatana. Pamene mlingo wa MCA ndi MH unali magawo a 20, chiwerengero chachikulu cha okosijeni cha PA6 / MCA chikhoza kufika ku 30.5, pamene chiwerengero cha oxygen cha PA6 / MH chophatikizika chinali 23.5 chokha, kusonyeza kuti mphamvu yoletsa moto ya MCA inali yapamwamba.
Panthawiyi, mphamvu yowonongeka ya PA6 / MCA inali 66.8 MPa, 1.14 nthawi ya PA6 / MH. Kusungunuka kwachitsulo cha PA6 / MCA chophatikizika chinafika 74 g / 10 min, 4. 9 nthawi za PA6 / MH.
(2) MCA ngati lawi retardant kwa epoxy resins. MCA ngati retardant lawi akhoza kuwonjezera mpweya index wa epoxy resin kuchokera 24-28 kuti 46-48. Kafukufuku akusonyeza kuti MCA ali kwambiri lawi retardant zotsatira pa epoxy utomoni anhydride kuchiritsa pawiri (EP), pamene mlingo ndi magawo 5 okha angapangitse EP kufika pamlingo wozimitsa.
MCA inachepetsa kutentha kwa kutentha kwa kutentha ndi kutentha kwakukulu kwa kutentha kwa EP, ndikuthandizira kukhazikika kwa kutentha kwa EP pa kutentha kwakukulu.
(3) MCA ikhoza kuwonjezeredwa ku ma emulsions a vinyl acetate, emulsions acrylate ndi emulsions ya mphira kuti apange zokutira zoletsa moto. Kafukufuku akuwonetsa kuti zokutira filimu adhesion ndi kusalala bwino, ndipo palibe kuwononga utoto.
(4) PBT yoletsa moto. Magawo 100 a PBT, magawo 5 a mica yopangidwa ndi fluorinated, magawo 5 a MCA, magwiridwe antchito amoto mpaka UL94V-0. MCA flame retardant application range is much wide, can be used in polyamide 6 (66), PET (polyethylene terephthalate), TPE (thermoplastic elastomer cable), PU (polyurethane), POM (polyformaldehyde), PET (polyethylene terephthalate), phenolic resin, PTletrafluposin resin, epoxyposyretin acrylic emulsion, PPO / PS ndi zipangizo zina.
- Mafuta owonjezera
MCA imatha kupangidwa ngati mafuta opangira madzi komanso ngati chowonjezera chamafuta olimba ndi mafuta opaka mafuta, okhala ndi zotsatira zodziwikiratu zopulumutsa mafuta. Itha kugwiritsidwa ntchito kwambiri muzopaka zamakina osiyanasiyana kutentha kwambiri, kutentha kochepa komanso kupanikizika kwambiri, ndipo imakhala ndi kukana kwambiri. Monga lubricant, MCA ili ndi katundu wambiri wofanana ndi mafuta olimba a molybdenum disulphide, koma pamtengo wotsika kwambiri kuposa molybdenum disulphide, ndikupangitsa kuti ikhale yolowa m'malo. Chogulitsacho ndi choyera, chosakhala ndi poizoni, chopanda fungo komanso chosavuta kuyeretsa, kotero chimakhala ndi mwayi wopewa kuipitsidwa ndi utoto muzopaka mavidiyo, mankhwala apakhomo, kusoka ndi kunyamula makina.
- Ntchito zina
(1) Chopangira ulusi wa mankhwala opangira zokutira.
MCA ndi utomoni adhesion ndi zabwino, si zophweka kugwa, komanso si zosavuta kuchititsa kuipitsa, amagwiritsidwa ntchito monga mankhwala CHIKWANGWANI matting agent zotsatira kuposa Chinbai ndi silika gel osakaniza bwino.
- Plating kalasi zowonjezera pulasitiki.
MCA ngati chowonjezera cholowetsedwa mu pulasitiki ya nayiloni, imatha kupititsa patsogolo kumamatira pakuyika. M'mbuyomu, mphamvu yomatira pakati pa pulasitiki ndi zokutira zitsulo sizinakwaniritse zofunikira ndipo idangokhala ndi plating ya ABS, pomwe pulasitiki ya nayiloni siyosavuta kuyika. Masiku ano, kuwonjezera kwa MCA ku nayiloni kumapereka zomatira zabwino kwambiri za interlayer pambuyo popaka. Pulasitiki yokhala ndi izi itha kugwiritsidwa ntchito kwambiri pazinthu zosagwira kutentha, zipolopolo za thovu, zokoka pakhomo, ndi zina zambiri.
- Zowonjezera za konkriti za polima.
Kuwonjezera MCA kumatha kupititsa patsogolo mphamvu ya konkire ndikukulitsa moyo wautumiki wa konkire.
- Zopangira zodzoladzola zapakhungu.
Monga MCA ali ndi udindo wosaphwanya ntchito zokhudza thupi ndi kuteteza khungu, angagwiritsidwe ntchito ngati kumeta wobiriwira, sunscreen ufa, etc. zodzoladzola ochiritsira ntchito pakhungu, makamaka chifukwa cha thukuta, misozi, sebum ndi zina zobisika za anthu, komanso mvula, matalala, madzi a m'nyanja ndi zakumwa zina zomwe zimayambitsidwa ndi udindo wa denaturation, kuchepetsa kusungidwa kwa khungu, motero kuchepetsa kusungidwa kwa khungu. Komano, MCA imamamatira bwino ndipo imakhala yowundana, yoterera pakhungu, kotero ndi chowonjezera chabwino kwambiri chodzikongoletsera. Mukawonjezeredwa, zimatha kusintha kwambiri kumamatira pakhungu, kupangitsa khungu kukhala labwino, lolimba komanso losalala.
Zambiri kapena zitsanzo zaulere kapena mitengo, chonde titumizireni imelo: [email protected] , kapena titumizireni uthenga pa: +86-28-8411-1861.
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