CTPB cas 586976-24-1 Carboxyl-Terminated Polybutadiene CTPB
Ko te rapa polibutadiene wai carboxyl-terminated e kiia whānuitia ana ko te CTPB. Nā te mea he carboxyl kei ngā pito e rua o te ngota polymeric, ka mau tonu te hanganga o tēnei polymer i te taha o te rōpū carboxyl, he ma te tohatoha o te whatunga, ā, kāore he pito kore utu. Nō reira he tino pai te mahi ā-ringa.
Ka taea e ngā rōpū pito carboxyl te tauhohe ki te kapia epoxy, he pānga pakari pai ki te kapia epoxy. Ki te whakatauritea ki te CTBN, he iti ake te matotoru o te CTPB, he pai ake te mahi pāmahana iti me te ngāwari.
Kāore e taea te whakamahi i te hua i roto i te pūwero rōkete totoka anake, engari ka taea hoki te whakamahi i roto i ngā elastomers, ngā piripiri, ngā rauemi hiri, te whakarerekētanga kapia epoxy me ngā rauemi ātete hiko.
I tākaihia ki te 50kg/pahu, 180kg/pahu, Ko te wā rokiroki he 1 tau.
Ngā tohutohu haumaru:
Me penapena ki te wāhi matao, maroke, ā, me te hauhautanga. Ko te pāmahana pai rawa atu kei waenganui i te -20 ~ 38℃. E 12 marama te roa o te rokiroki, ki te pau te wā, ka whakamahia tonu mēnā kua tutuki i te paerewa mā te whakamātautau anō. Me karo i te ua, i te rā rānei i te wā e kawe ana. Kaua e whakaranua ki te waikura kaha.
| taonga | Tohu | |
| Tau 1 | Tau 2 | |
| Whakaahuatanga | He wai mārama parauri, he wai kōwhai mārama rānei, kāore he micelle e kitea ana me ngā poke miihini | |
| matotoru (40 ℃), Pa.s | ≤15 | ≤12 |
| Uara kāpokiha, mmol/g | 0.40~0.47 | 0.43~0.52 |
| Te nui o te wai, % | ≤0.05 | ≤0.05 |
| Taumaha ngota | 4100 - 4500 | 2800 - 3400 |
| Mahi | 1.75 - 1.95 | 1.90 - 2.10 |
