4,6-DIHYDROXYISOPHTHALIC ACID CAS 19829-74-4
Ko te waikawa 4,6-Dihydroxyisophthalic he puhui waro, e mohiotia ana ko te terephthalic acid (TDA). He paura tioata ma, he whakarewa i roto i te wai, te waipiro me te ester whakarewa, me te kore e rewa i roto i nga whakarewa kore-polar. Ko te waikawa 4,6-Dihydroxyisophthalic he waikawa ngoikore, a ko tana roopu hydroxyl he waikawa, ka uru atu ki nga tauhohenga esterification me te acylation.
Te rewa | 308-310 ℃ |
Kohuatanga | 551.0±35.0°C(I Matapaetia) |
Kohikohiko | 301.1±22.4 °C |
Kiato | 1.8±0.1 g/cm3 |
Whakarea waikawa (pKa) | 2.56±0.10(I Matapaetia) |
Te pehanga kohu | 0.0±1.6 mmHg i te 25°C |
Taupū Refactive | 1.718 |
Nga tikanga rokiroki | Te hau hau, Te Temperature Room |
4, 6-dihydroxyisophthalic waikawa he rauemi mata nui mo te hanga o nga rauemi polymer polyester, penei i te muka polyester, te kiriata polyester, te peita polyester me etahi atu. Ka taea hoki te whakamahi hei takawaenga i roto i te whakahiatotanga o te waikano, te kapia, te aukati mura me etahi atu matū.
25kg/pahū

4,6-DIHYDROXYISOPHTHALIC ACID CAS 19829-74-4

4,6-DIHYDROXYISOPHTHALIC ACID CAS 19829-74-4