Diethanolamine（Bis(beta-hydroxyethyl)amine）

Te āhua matū

He turanga rauropi te Diethanolamine kua whakamahia hei kaiwhakarewa me te kaiwhakamarara. Ka taea hoki te whakamahi hei parenga taketake, me te pH tino pai tata ki te pH 9, mena ka titrated ki te HCl, ki tētahi atu waikawa rānei. Ko ētahi atu whakamahinga ko: hei "horoi" i ngā hau, hei takawaenga matū, hei kaiwhakamarumaru, hei kaiwhakangawari rānei.

Ngā tono

E whakamahia ana te diethanolamine, he rite ki te triethanolamine, hei matū horoi waikura. Kei a ia anō te kaha ki te aukati i te waikura mā te whakamahi i te chemisorption.

Hei horoi i ngā hau e ai ki te ethanolamine. Ka taea te whakamahi i te Diethanolamine me ngā hau pakaru me ngā hau waro, hinu rānei kei roto ko te carbonyl sulfide ka tauhohe ki te monoethanolamine. Hei takawaenga matū rapa. I roto i te hanga o ngā matū hohe mata e whakamahia ana i roto i ngā momo kakahu, ngā patu taru, ngā whakakorenga hinu. Hei emulsifier me te kaihoko whakamarara i roto i ngā momo matū ahuwhenua, whakapaipai, me ngā rongoā. I roto i te hanga hinu whakahinuhinu mō te umanga kakahu. Hei kaiwhakamākū me te kaihoko whakangawari. I roto i ngā hanganga rauropi.

E whakamahia ana te diethanolamine i roto i te hanga i ngā matū hohe-mata me ngā hinu whakahinuhinu mō te umanga kakahu; hei takawaenga mō ngā matū rapa; hei emulsifier; hei humectant me te kaiwhakangawari; hei hopi horoi i roto i ngā peita, shampoo, me ētahi atu kaihoroi; ā, hei takawaenga i roto i ngā kapia me ngā mea whakanikoniko.

Āhua ā-tinana

He wai hinuhinu, he tioata mā totoka, he tioata mā rānei

Te roa o te oranga

E ai ki ō mātou wheako, ka taea te rongoa i te hua mō te 12marama mai i te rā tuku mēnā ka rongoatia ki roto i ngā ipu hiri pūmau, ka tiakina mai i te mārama me te wera, ā, ka rongoatia ki ngā pāmahana i waenga i te 5 -30°C.

Tngā āhuatanga noa

Te Pūtake Kohua

217 °C/150 mmHg (iritihia)

Te pūwāhi rewa t

28 °C (whakamārama)

Kiato

1.097 g/mL i te 25 °C (i roto i te rama)

Taupū whakaata

n20/D 1.477(whakamārama)

Fp

280°F

Pēhanga Kohu

<0.98 atm (100°C)

TakiuruP

-2.46 i te 25℃

pka

8.88 (i te 25℃)

PH

11.0-12.0 (25℃, 1M i roto i te H2O)