Hua

Polyethylene Glycol 6000 Peg6000

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Taipitopito Hua

FAQ

Tohu Hua

IMG20180320115916

Ko te Polyethylene glycol 6000 kua whakaritea ma te polymerization o te wai ethylene glycol i te teitei o te mahana, te peehi teitei, te pehanga iti ranei.
Ko te Polyethylene glycol 6000 (PEG-6000) Ingoa Ingarihi: macrogol 6000-992 ko tenei hua he ranunga o te waihatu waikawa me te waikawa polycondensation, ko te tikanga ngota he ho (CH2CH2O) NH, kei reira te tohu toharite o te oxyvinyls.
pūāhua
Ko tenei hua he maarake ma te piaka totiri, he paura pata ranei, he haunga nei. Ko te hua ka rewa i te wai te etanol ranei, engari kaore e rewa i te ether. Ko te pito mīti o tēnei hua (Tapiritanga VI d) ko 53 ~ 58 ℃. Tangohia te pokepoke 25.0g o tenei hua, ka maka ki roto ki te pounamu mehua 100ml, taapirihia he wai ki te rewa me te waimeha ki te tauine, ruru pai, whakamahia te viscometer Pinker me te diameter o roto o 1.0mm hei whakatau i ta te ture (Tapiritanga VI g tikanga 1 ). Ko te pokepoke kinematic i 40 ℃ ko 10.5-16.5mm <2> / s.

Haumaru
He iti noa te riri ki te kiri me nga karu, he uaua ki te ngongo i te puku puku i muri o te whakahaere a-waha, a he tino iti te paitini. Ko te weronga o te 5% (papatipu) wairewa waikawa o te polyethylene waikura ki nga karu o te räpeti te take i wera noa iho. Kare he painga o te PEO ki te mate o te ika, te pāpaka, te Anemone, te kaawhi, te punga ranei. Ko tana kapia me te wairewa aqueous he paitini paitini, ana he pai ki te whakamahi me te hapai. Kua whakaaetia e te US Food and Drug Administration (FDA) te whakamahi i te waikawa wairewa waikawa waikawa polyethylene waipiro mo te takai kai motuhake me nga pia whakapiri pia.

tirotiro
Ko te taumaha karapoi o te hua nei mo te 12.5g, he tika te pauna. Kuhua ki roto i te ipu korohupuku 250ml me te aukati, taapirihia he 25yr pyridine, whakawera kia rewa, kia whakamatao. E ai ki te tikanga o te polyethylene glycol 400, ka tiimata mai i te "otinga pyridine kua taapirihia ki te phthalic anhydride tika", ko te taumaha o te taumaha o te ngota kia 5400-7800. Ko te waikawa, maarama me te tae o te otinga, me te toenga o te mura ka tirotirohia kia rite ki te tikanga i whakahuatia i te polyethylene glycol 400.

Tohu hangarau

Whakatakotoranga

Āhua (25 ℃)

Takariroari

Pt-Co

Hydroxylvalue

mgKOH / g

Taumaha rāpoi

Tohu whakapakaritanga ℃

Ihirangi wai (%)

Uara PH

1% rongoā waireka)

PEG-6000

Milky White totoka

≤20

17.5 ~ 20

5500 ~ 7000

54 ~ 60

≤0.5

5.0 ~ 7.0

Korero: hoki to tatou kamupene whakarato momo o PEG raupapa raupapa.


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