Inaianeihydroxypropyl carboxymethyl cellulosehokohoko hokohoko atu me te ake, te utu e kore e taurite, me pehea ki te hohoro ūkui i te kounga o te hydroxypropyl methyl cellulose kua riro he raruraru tino nui! Na me pehea te whakatau i te kounga o te hydroxypropyl methylcellulose? Ko te mea tuatahi kia tirohia ko te ma o te hydroxypropyl cellulose; Ahakoa e kore e taea te marama te ma ranei HPMC he pai mo te tono, engari i roto i te tukanga o te tukatuka i reira e hoki etahi kaihanga kino ka tāpiri i te māngai whitening, ka kino tona kounga. Engari i te nuinga o te korero, ko te nuinga o te tino pai o te cellulose ether he pai ake te ma.
Tuarua, ki te kite i te pai o te hydroxypropyl methyl cellulose: hydroxypropyl carboxymethyl cellulose rahi matūriki o 80-100 mata, 120 mata iti, hydroxyethyl cellulose HECHPMC e pā ana ki 100 mata. HPMC mo te nuinga 60-80 mata, methyl cellulose whānui ngawari, te marara pai.
Te otinga o te marama o te cellulose ether:HPMCmaka ki roto i te wai hei whakaputa i te wairewa colloid marama, tirohia te teitei ake o te taumira, te teitei ake o te taumira, kaore e memeha te matū he iti iho.
I te wa e wera ana te taonga, ka whakamaatatia, ka ruia ranei, ka whakaenea. He hydrophobic me te wai-wairewa. Ko te raima te matua herenga me te whakakore i nga rauemi mata o te paura putty wai-aukati. Ko te tikanga o te wai-atete e whai ake nei: I roto i te whakaurunga o te wai me te whakakorikori i te paura taherapa me te sima, ka hoki tonu te paura taherapa ki te ahua whakaehunga taketake, a ka marara noa nga matūriki taherapa ki te whakapiri sima. I muri i te tutakina o te ciment ki te wai, ka timata te tauhohenga o te wai, ka tae te otinga Ca (OH) 2 ki te waikura me te whakaheke i nga tioata, a, i te wa ano, ka hangaia nga tioata ettringite me te konupūmā silicate hydrate colloids. Ka tukuna nga matūriki taherapa ki runga i te reera me nga matūriki ciment kore wai. Na te ahunga whakamua o te tauhohenga wai, kei te piki haere nga hua whakamakuku, ka kohia nga matūriki taherapa ki roto i te kore o nga rawa pararopi penei i te sima, ka hanga he papa whakaemi tata ki te mata o te kiri sima. Nā ki te whakaiti āta o te wai maroke, Ko te piri Kikī redispersed matūriki taherapa i roto i te gels, me te karekau condense ki te hanga i te kiriata tonu, te hanga i te ranunga o te whakapiri sima interpenetrating matrix, me te here i te whakapiri sima ki ētahi atu whakahiato paura.
Te wa tuku: Apr-28-2024