HPMC iti pokey :HPMC 400 Kei te whakamahia te nuinga mo te kumete whakamaarama whaiaro, engari he mea kawemai.
Te take: He iti te pokey, ahakoa he ngoikore te pupuri wai, engari he pai te whakataurite, he tiketike te kiato mota.
Pokey Waenga me te iti:hydroxypropyl methylcelluloseKo te HPMC 20000-40000 te nuinga e whakamahia ana mo te whakapiri taera, te kaikawe awhi, te moata anti-ngatata, te moata honohono waiariki, etc.
Te take: he pai te mahi, he iti ake te taapiri wai, he nui te hangai moata.
1. He aha te kaupapa matua o te hydroxypropyl methylcellulose (HPMC)?
——A: Kei te whakamahia nuitia te HPMC ki nga taonga hanga whare, paninga, kapia waihanga, karaima, rongoa, kai, kakano, ahuwhenua, whakapaipai, tupeka me etahi atu ahumahi. Ka taea te wehea te HPMC ki: te tohu hanga, te karaehe kai me te karaehe rongoa e ai ki te kaupapa. I tenei wa, ko te nuinga o nga hua o te kaainga he tohu hanga. I roto i te waahanga hanga, he tino nui te nui o te paura putty, mo te 90% e whakamahia ana mo te paura putty, a ko te toenga ka whakamahia mo te raima ciment me te kopa.
2. He maha nga momo o te hydroxypropyl methylcellulose (HPMC), a he aha te rereketanga o nga whakamahinga?
——Whakautu: Ka taea te wehewehea te HPMC ki te momo inamata me te momo wera-rewa. Ka tere te marara o nga momo momo hua i roto i te wai matao ka ngaro ki te wai. I tenei wa, karekau he viscosity o te wai, no te mea ka marara noa te HPMC ki te wai, kaore he tino rewa. I muri tata ki te 2 meneti, ka piki haere te viscosity o te wai, ka hanga he colloid viscous marama. Ko nga hua whakamahana wera, ka pa ki te wai makariri, ka tere te marara ki te wai wera, ka ngaro ki te wai wera. Ka heke te pāmahana ki tetahi pāmahana (ko te hua o ta tatou kamupene he 65 nga nekehanga Celsius), ka ata puta te pokey tae noa ki te hanga i tetahi colloid puataata. Ko te momo wera-rewa ka taea anake te whakamahi i te paura putty me te moata. I roto i te kapia wai me te peita, ka puta te ahua o te kopiri, kare e taea te whakamahi. Ko te momo inamata he whanui ake nga tono. Ka taea te whakamahi i roto i te paura putty me te kumete, tae atu ki te kapia wai me te peita, kaore he tohu.
3. He aha nga tikanga whakakore o te hydroxypropyl methylcellulose (HPMC)?
——Whakautu: Tikanga wetewete wai wera: I te mea karekau te HPMC i memeha ki te wai wera, ka taea te whakamararatia te HPMC ki te wai wera i te wa tuatahi, ka tere te rewa ina whakamatao. E rua nga tikanga angamaheni e whakaahuatia ana e whai ake nei:
1) Kuhua te nui o te wai wera ki roto i te ipu ka whakamahana ki te 70°C. Ko te hydroxypropyl methylcellulose i āta tāpirihia me te puhoi o te whakaoho, i te tuatahi ka maanu te HPMC ki runga i te mata o te wai, katahi ka hanga he slurry, ka whakamataohia ki te whakakorikori.
2), tāpirihia te 1/3, te 2/3 rānei o te nui o te wai e hiahiatia ana ki roto i te ipu, ka wera ki te 70 ° C, kia rite ki te tikanga o te 1), whakamararatia te HPMC, te whakarite i te wai wera; kātahi ka tāpirihia te toenga o te wai matao ki te wai wera I roto i te slurry, i whakamataohia te ranunga i muri i te whakaoho.
Te tikanga whakaranu i te paura: Whakaranuhia te paura HPMC me te maha o etahi atu matū paura, uru rawa ki te whakaranu, katahi ka tapirihia he wai kia memeha, katahi ka taea te rewa te HPMC i tenei wa me te kore e piri, na te mea he iti noa te HPMC i ia wa. kokonga iti iti. Ka rewa tonu te paura ki te wai. ——Ka whakamahia tenei tikanga e nga kaihanga paura putty me nga kaihanga moata. [Hydroxypropyl methylcellulose (HPMC) e whakamahia ana hei whakakaha me te pupuri wai i roto i te kumete paura putty. ]
4. Me pehea te whakatau i te kounga o te hydroxypropyl methylcellulose (HPMC) ngawari me te mohio?
——Whakautu: (1) Ma: Ahakoa kare e taea e te ma te whakatau mena he ngawari te whakamahi a HPMC, a mena ka whakauruhia he kanapa ki roto i te mahi whakaputa, ka pa ki tona kounga. Engari, ko te nuinga o nga hua pai he pai te ma. (2) Pai: Ko te pai o te HPMC ko te 80 mesh me te 100 mesh, me te 120 mesh he iti ake. Ko te nuinga o te HPMC i hangaia i Hebei he 80 mata. Ko te pai ake o te pai, ko te pai ake. (3) Whakawhitinga: Kuhua te hydroxypropyl methylcellulose (HPMC) ki roto i te wai hei hanga i te colloid maramara, ka tirohia tona tukunga. Ko te teitei o te whakawhiti, ko te pai ake, e tohu ana he iti ake nga matū korekore i roto. Ko te kaha o te reactor poutū he pai te tikanga, he kino ake te kino o te reactor whakapae, engari kaore e taea te kii he pai ake te kounga o te reactor poutū i tera o te reactor whakapae, a he maha nga mea e whakatau ana i te kounga o te hua. (4) Te taumaha motuhake: ko te nui ake o te taumaha motuhake, ko te taumaha ka pai ake. He nui te taamaha motuhake, i te nuinga o te waa na te mea he tiketike te ihirangi hydroxypropyl i roto, he tiketike te ihirangi hydroxypropyl, he pai ake te pupuri wai.
5. Te nui o te hydroxypropyl methylcellulose (HPMC) i roto i te paura putty?
——Whakautu: Ko te nui o te HPMC e whakamahia ana i roto i nga mahi mahi ka rereke i runga i te ahuarangi, te mahana, te kounga konupora pungarehu o te rohe, te tauira o te paura putty me te "kounga e hiahiatia ana e nga kaihoko". Ko te tikanga, kei waenganui i te 4 kg ki te 5 kg. Hei tauira, ko te nuinga o te paura putty i Beijing he 5 kg; Ko te nuinga o te paura putty i Guizhou he 5 kg i te raumati me te 4.5 kg i te takurua;
6. He aha te pokey tika o te hydroxypropyl methylcellulose (HPMC)?
——Whakautu: Ko te paura Putty te tikanga 100,000 yuan, a he nui ake te hiahia o te moata, a he ngawari ki te whakamahi i te 150,000 yuan. I tua atu, ko te mahi nui a HPMC ko te pupuri i te wai, whai muri mai i te whakamaroketanga. I roto i te paura putty, i te mea he pai te pupuri wai me te iti o te pokey (70,000-80,000), ka taea hoki. Ko te tikanga, he teitei ake te viscosity, he pai ake te pupuri i te wai. Ka nui ake te viscosity ki te 100,000, ko te hua o te pokey ki te pupuri wai ehara i te nui.
7. He aha nga tohu hangarau matua o te hydroxypropyl methylcellulose (HPMC)?
——Whakautu: Hydroxypropyl content and viscosity, te nuinga o nga kaiwhakamahi e aro nui ana ki enei tohu e rua. Ko te teitei o te ihirangi hydroxypropyl, ko te pai ake o te pupuri wai. Te pokey teitei, te pupuri wai, te ahua (kaore i te tino) pai ake, me te pokey teitei, pai ake te whakamahi i roto i te kumete ciment.
8. He aha nga mea matua o te hydroxypropyl methylcellulose (HPMC)?
—— A: Ko nga rauemi mata matua o te hydroxypropyl methylcellulose (HPMC): te miro para, te methyl chloride, te propylene oxide, etahi atu rauemi mata ko te alkali flake, te waikawa, te toluene, te isopropanol, etc.
9. He aha te mahi matua a te HPMC ki te tono paura putty, a he matū ano?
——Whakautu: E toru nga mahi a te HPMC mo te whakamatotoru, te pupuri wai me te hanga i te paura putty. Te Matotoru: Ka taea te whakamatotoru i te Cellulose ki te whakatarewa, kia mau tonu te ahua o te otinga me te rite tonu, me te aukati i te paheketanga. Te pupuri wai: Kia ata whakamaroke te paura putty, ka awhina i te hohenga o te konupūmā pungarehu i raro i te mahi a te wai. Hanganga: He whakahinuhinu te whakahinuhinu o te Cellulose, ka pai te mahi o te paura putty. Karekau a HPMC e uru ki tetahi tauhohenga matū, he mahi awhina anake. Ko te taapiri i te wai ki te paura putty ka maka ki te pakitara he tauhohenga matū. Na te hanga o nga matū hou, tangohia te paura putty i runga i te pakitara mai i te pakitara, hurihia hei paura, ka whakamahi ano. Kare e mahi, na te mea kua hanga mai he matū hou (konupora warowaiha). ) ki runga. Ko nga waahanga matua o te pungarehu konupūmā paura ko: he ranunga o Ca(OH)2, CaO me te iti o te CaCO3, CaO+H2O=Ca(OH)2 —Ca(OH)2+CO2=CaCO3↓+H2O Ash calcium i roto i te wai me te hau I raro i te mahi a te CO2, ka hangaia te konupūmā pākawa waro, i te mea ko te HPMC anake te pupuri i te wai me te awhina i te pai ake o te tauhohenga o te konupūmā pungarehu, me te kore e uru ki tetahi tauhohenga ake.
10. Ko te HPMC he cellulose ether kore-ionic, na he aha te mea kore-katote?
- Whakautu: E ai ki nga korero a te reimana, he matū kore-katote e kore e katote i roto i te wai. Ko te Ionization e pa ana ki te tukanga e wetewete ai te electrolyte ki roto i nga katote katoo kore-kore i roto i te whakarewa motuhake (pērā i te wai, te waipiro). Hei tauira, te konutai pūhaumāota (NaCl), te tote e kainga ana ia rā, ka memeha ki te wai, ka katote ki te whakaputa i nga katote konutai (Na+) e neke pai ana, me nga katote pūhaumāota (Cl) he toraro. Arā, ka tukuna te HPMC ki roto i te wai, karekau e wehe ki roto i nga katote kua tohua, engari kei te noho i roto i te ahua o te ngota ngota.
Te wa tuku: Oketopa-17-2022