polyether polyurethane acrylate mo nga paninga kirihou
Taipitopito Hua
Waehere hua | ZC6202 |
Te ahua | He wai marama kore tae, he kowhai ranei |
Poneke | 7000 -20000 i te 25 Celsius Degree |
Mahi | 2 |
āhuatanga hua | Te ngawari me te pai o te piri |
Taupānga | He pepa, he paninga kirihou, he tuatahi mo te whakapiri rakau |
Whakatakotoranga | 20KG 25KG 200KG |
Uara waikawa (mgKOH/g) | <0.5 |
Mōkī Waka | Paera |
Whakaahuatanga Hua
Waehere Hua: ZC6202
Ko te Hua ZC6202 he hua tohu na te kamupene.Ko tana ingoa matū he polyether polyurethane acrylate.He wai kore tae, he kowhai ranei he wai maramara me te ngawari me te piri.Kei te nuinga whakamahia te reira mo te pepa, paninga kirihou me te rakau adhesion tuatahi.polyurethane acrylate kakara
Tāpirihia te polyether ( polyester) diol me te aukati polymerization ki roto i te ipu tauranga e wha kua rite ki te miihini whakakorikori, te inemahana me te ngongo condenser, whakaohokia taurite, katahi ka tapirihia te TDI, whakaarahia te pāmahana ki te 70-80 ℃ mo te tauhohenga mo te 1.5 haora, kitea te uara NCO, kātahi ka tāpirihia te hydroxyethyl acrylate (hydroxypropyl acrylate), tāpirihia te whakakōkī, haere tonu te tauhohenga mō te 3 hāora, ka kitea he rite te uara NCO ki te 0. I inehia te pokey o te polyurethane acrylate kakara ma te tauira, ka whakamatauria te mahi o te polyurethane acrylate kakara. mā te tāpiri i te 3% - 4% photoinitiato.Tēnā kia noho mātao, he wāhi maroke rānei, ka karo i te rā me te wera;Ko te pāmahana rokiroki e kore e neke ake i te 40 ºC, nga tikanga rokiroki i raro i nga tikanga noa mo te iti rawa 6 marama.
I timatahia ki te polyethylene glycol (PEG, MW 1000) ε- Caprolactone( ε- Ko te wahanga ngohe o te polyether ester block copolymer diol (pCEC) i whakaritea ma te whakatuwheratanga mowhiti, ka tauhohe ki te diisocyanate (toluene diisocyanate, diphenylmethane diisocyanate ranei, me te hydroxylateethyl methac. i rongoa ki te whiwhi rauemi polyether ester polyurethane acrylate (PUA) Ko te hanganga me te hanganga o te PUA i tohuhia Ko nga hua e whakaatu ana ko te whakanui ake i te waahanga PCL ka taea te whakapai ake i te tioata o nga mea PUA, engari ka whakaiti i te tere o te whakauru wai me te whakahekenga Ko te tere o te hydrolysis enzymatic o PUA he teitei ake. atu i tera o te rauemi PUA Pcec2000-tdi he pai rawa atu te hydrophilicity me te mahi whakaheke.He 65.24% i roto i nga haora 72 te momi wai, a ka taea te whakaheke i roto i te otinga whakaipoipo i roto i nga wiki 11 Ko tenei momo rauemi PUA ka taea te whakamahi ki nga taonga miihini kiko.