HPMC i te koti Skim

Hydroxypropyl methyl cellulose (HPMC) viscosity mo te koti Skim ?

– Whakautu: He pai te koti Skim i te nuinga o te waa HPMC 100000cps, etahi teitei ake o te whakaritenga mo te kumete, e hiahia ana kia 150000cps te kaha ki te whakamahi.I tua atu, ko te HPMC te mahi tino nui mo te pupuri wai, ka whai i te matotoru.I roto i te koti Skim , i te mea he pai te pupuri i te wai, he iti te paheketanga (7-80000), ka taea ano hoki, ko te tikanga, he nui ake te paheketanga, he pai ake te pupuri i te wai, i te wa e neke atu ana te viscosity i te 100 mano, kaore i te nui te pokey o te pupuri wai.

He aha nga tohu hangarau matua o te hydroxypropyl methyl cellulose (HPMC)?

Whakautu: Ko te ihirangi Hydroxypropyl me te viscosity, ko te nuinga o nga kaiwhakamahi e whakaaro ana ki enei tohu e rua.He nui te ihirangi Hydroxypropyl, he pai ake te pupuri wai.He pai ake te pokey, te pupuri wai, te whanaunga (engari ehara i te mea tino tika), me te pokey, te kumete ciment he pai ake te whakamahi i etahi.

Hydroxypropyl methyl cellulose (HPMC) he aha nga rawa matua?

Whakautu: hydroxypropyl methyl cellulose (HPMC) rauemi mata matua: miro para, chloromethane, propylene oxide, etahi atu rauemi mata, papa alkali, waikawa, toluene, waipiro isopropyl me etahi atu.

HPMC i Skim koti i roto i te tono, te mahi matua, ahakoa matū?

Whakautu: HPMC i te koti Skim , te matotoru, te wai me te hanga o nga mahi e toru.Matotoru: ka taea te whakakaha i te cellulose ki te whakatārewatanga, kia noho rite tonu te otinga ki runga, ki raro, te mahi o te iri aukati.Te pupuri wai: kia maroke te koti Skim, hei awhina i te konupūmā hina i roto i te mahi o te tauhohenga wai.Hanganga: whakahinuhinu cellulose, ka taea te hanga koti Skim he pai te hanga.Karekau a HPMC e uru ki nga tauhohenga matū, engari he mahi tautoko anake.Ko te koti Skim me te wai, kei runga i te pakitara, he tauhohenga matū, na te mea ka puta mai he matū hou, ka heke te pakitara o te koti Skim mai i te pakitara, ka kuia hei paura, katahi ka whakamahia, kaore i te pai, na te mea kua hanga he matū hou. (calcium carbonate).Ko nga waahanga matua o te paura konupūmā hina ko: Ca(OH)2, CaO me te iti o te ranunga CaCO3, CaO+H2O=Ca(OH)2 – Ca(OH)2+CO2=CaCO3↓+H2O konupūmā hina i roto i te wai me te hau i raro i te mahi o CO2, te hanganga o te konupūmā pākawa waro, me te HPMC anake te wai, awhina konupūmā hina pai tauhohenga, ona ake kihai i whai wāhi i roto i tetahi tauhohenga.

Ko te HPMC he cellulose ether kore-ionic, na he aha te mea kore-katote?

A: Ko te tikanga, ko nga katote kore he matū kaore e katote i roto i te wai.Ko te Ionization ko te wetewete o te electrolyte ki roto i nga katote katote-kore-kore i roto i tetahi whakarewa motuhake, penei i te wai, i te waipiro ranei.Hei tauira, ko te tote e kai ana tatou ia ra — te konutai pūhaumāota (NaCl) ka memeha ki te wai ka katote ki te whakaputa i nga katote konutai neke-kore (Na+) me te utu pai me nga katote hauota (Cl) me te utu kino.Arā, karekau te HPMC i roto i te wai e wehe ki roto i nga katote katoo, engari ka noho hei ngota ngota.

He aha te paemahana whakawhana o te hydroxypropyl methyl cellulose e pa ana ki?

Whakautu: Ko te mahana o te kiri o HPMC e pa ana ki te ihirangi methoxyl.Ko te iti o te ihirangi methoxyl, ko te teitei ake o te pāmahana reera.

Ko te paura koti me te HPMC kaore he hononga?

Whakautu: He nui rawa te hononga o te paura koti Skim me te kounga konupūmā pungarehu, karekau he hononga nui a HPMC.Ko te iti o te konupūmā konupūmā o te konupūmā hina me te ōwehenga hē o te CaO me Ca(OH)2 i roto i te konupūmā hina ka heke te paura.Mena he hononga ki te HPMC, na te ngoikore o te pupuri wai o HPMC ka mate ano te paura.

He aha te rereketanga o te wai matao wairewa me te wera wairewa hydroxypropyl methyl cellulose i roto i te tukanga whakaputa?

– Whakautu :HPMC wai matao momo otinga inamata i muri i te maimoatanga mata glyoxal, hoatu ki roto i te wai matao hohoro marara, engari e kore e tino memeha, pokey ake, kua memeha.Ko te momo thermosoluble kaore ano kia rongoatia te mata ki te glyoxal.He nui te nui o te glyoxal, he tere te marara, engari he puhoi te pokey, he iti te nui, engari.

He aha te mea mo te hydroxypropyl methyl cellulose (HPMC) e hongi ana?

– Whakautu: Ko te HPMC na te tikanga whakarewa he mea hanga mai i te toluene me te waipiro isopropyl.Mena kaore i te tino pai te horoinga, ka toe etahi reka.

Nga whakamahinga rereke, me pehea te whiriwhiri i te hydroxypropyl methyl cellulose (HPMC) e tika ana?

– whakautu: kia hoha ki te tono i te paura tamaiti: he iti te whakaritenga, te pokey 100000, pai, he mea nui ki te tiaki i te wai kia tata.Te tono moata: nga whakaritenga teitei ake, nga whakaritenga viscosity teitei, 150000 kia pai ake.Te tono kapia: te hiahia mo nga hua inamata, te pokey teitei.

He aha tetahi ingoa mo te hydroxypropyl methyl cellulose?

– WHAKAUTU: Hydroxypropyl MethylCellulose, Abreviated as HPMC or MHPC, Hydroxypropyl Methyl Cellulose ranei;Cellulose hydroxypropyl methyl ether;Hypromellose, Cellulose, 2-hydroxypropyl methyl Cellulose ether.

HPMC i roto i te tono koti Skim, he aha te take mirumiru koti Skim?

Whakautu: HPMC i te koti Skim , te matotoru, te wai me te hanga o nga mahi e toru.Te kore e uru ki tetahi tauhohenga.Nga take o te mirumiru: 1, he nui rawa te wai.2, e kore te mea maroke te raro, i runga i te tihi o te apa waruhia, hoki ngāwari ki te namunamu.

Te pakitara o roto me waho te tauira koti Skim?

– whakautu: pakitara o roto Koti pani : konupūmā 800KG konupūmā hina 150KG (te māngaro ether, parakore matomato, peng runtu, waikawa citric, polyacrylamide ka taea te taapiri tika)

Te pakitara o waho koti Skim : sima 350KG konupūmā 500KG kiripaka kirikiri 150KG taherapa paura 8-12kg cellulose etera 3KG māngaro etera 0.5kg muka rakau 2KG

He aha te rereketanga i waenga i te HPMC me te MC?

– Whakautu : Ko te MC he methyl cellulose, he mea hanga mai i te cellulose ether na roto i te raupapa o nga tauhohenga me te methane chloride hei kaihoko whakaetere i muri i te maimoatanga o te miro parakore ki te kawakore.Ko te tikanga, ko te tohu whakakapinga ko te 1.6~2.0, ka rereke te whakarewatanga ki te tohu whakakapinga.Noionic cellulose ether.

(1) Ko te pupuri i te wai o te methyl cellulose e whakawhirinaki ana ki te nui o te taapiri, te pokey, te pai o te matūriki me te tere memeha.Ko te tikanga taapiri he nui, he iti te iti, he pokey, he teitei te pupuri wai.I roto ia ratou, ko te nui o te taapiri he tino awe ki te pupuri i te wai, a, kaore i te rite te pokey ki te pupuri wai.Ko te tere o te whakakore i te nuinga ka whakawhirinaki ki te tohu whakarereke o te mata me te pai o te matūriki o te matūriki cellulose.I roto i te maha o nga etera cellulose i runga ake nei, he teitei ake te reeti pupuri wai methyl cellulose me te hydroxypropyl methyl cellulose.

(2) Ko te methyl cellulose he wairewa ki te wai matao, he uaua ki te memeha i roto i te wai wera.He tino pumau tona otinga wai i roto i te pH=3~12.He pai te hototahitanga ki te māngaro, te kapia guanidine me te maha o nga surfactants.Ka puta te whakamaarama ina tae te pāmahana ki te pāmahana wai.

(3) Ko te huringa o te pāmahana ka tino pa ki te reiti pupuri wai o te methyl cellulose.Ko te tikanga, ka nui ake te pāmahana, ka kino te pupuri wai.Mena ka nui ake te mahana o te kumete ki te 40 ℃, ka tino kino te pupuri wai o te methyl cellulose, ka tino pa ki te hanga o te moata.

(4) Ko te Methyl cellulose he tino awe ki te hanga me te piri o te kumete.Ko te "Adhesion" i konei e pa ana ki te whakapiringa i rongohia e te kaimahi i waenga i te taputapu me te taputapu pakitara, ara ko te parenga kutikuti o te moata.He nui te adhesion, he nui te parenga kutikuti o te moata, he nui ano te kaha e hiahiatia ana e nga kaimahi i roto i te tukanga o te whakamahinga, a, he kino te hanga o te moata.I roto i nga hua cellulose ether, ko te piri o te methyl cellulose kei te taumata ngawari.

Ko te HPMC hydroxypropyl methyl cellulose, ka parahia e te miro i muri i te maimoatanga kawakore, me te propylene oxide me te chloromethane hei kaihoko etherifying, na roto i te raupapa o nga tauhohenga me te hanga o te cellulose kore-katote i konatunatua ether.Ko te tohu o te whakakapinga ko te tikanga 1.2~2.0.He rereke ona ahuatanga ki te wahanga o te methoxy me te ihirangi hydroxypropyl.

(1) Ko te Hydroxypropyl methyl cellulose he ngawari te wairewa i roto i te wai matao, he uaua ki te memeha ki te wai wera.Heoi ano, ko te pāmahana whakahiato i roto i te wai wera he tino teitei ake i tera o te methyl cellulose.Ko te memehatanga o te methyl cellulose i roto i te wai matao i tino pai ake.

(2) Ko te viscosity o te hydroxypropyl methyl cellulose e pa ana ki tona taimaha ngota, a, ko te teitei o te taimaha o te ngota, ko te teitei ake o te viscosity.Ka pa te pāmahana ki te pokey.Ka heke te pokey ina piki ake te pāmahana.Engari he iti ake te paanga o te pāmahana teitei i to te methyl cellulose.Ka noho pumau te otinga ina rongoa ki te pāmahana rūma.

(3) Hydroxypropyl methyl cellulose he pumau ki te waikawa me te turanga, a ko tana otinga wai he tino pumau i roto i te awhe o te pH = 2 ~ 12.He iti te paanga o te houra me te wai kotakota ki ona taonga, engari ka taea e te kawakore te whakatere i te tere o te whakakore me te whakapai ake i te pokey.Ko te Hydroxypropyl methyl cellulose he pumau ki nga tote whanui, engari ka nui te kukū o te wairewa tote, ka piki ake te pokey o te otinga hydroxypropyl methyl cellulose.

(4) Ko te pupuri i te wai o te hydroxypropyl methyl cellulose e whakawhirinaki ana ki tana inenga me te viscosity, me te tere o te pupuri wai o te hydroxypropyl methyl cellulose he teitei ake i tera o te methyl cellulose i te inenga kotahi.

(5) Hydroxypropyl methyl cellulose ka taea te konatunatua ki te wai-wairewa polymer pūhui kia rite, otinga pokey teitei.Pērā i te waipiro polyvinyl, te māngaro ether, te kāpia huawhenua me ētahi atu.

(6) Ko te piri o te hydroxypropyl methyl cellulose ki te hanga kumete he teitei ake i tera o te methyl cellulose.

(7) Hydroxypropyl methyl cellulose he pai ake te parenga i te methyl cellulose, a he iti ake i tera o te methyl cellulose.

He aha te mea me aro ki roto i te whakamahinga mahi mo te hononga i waenga i te pokey me te pāmahana o te HPMC?

Whakautu: Ko te pokey o te HPMC he taurite ki te pāmahana, ara, ka piki te pokey ki te heke o te pāmahana.Ina korero tatou mo te pokey o tetahi hua, kei te korero tatou mo te 2% o te hua i roto i te wai i te 20 nga nekehanga Celsius.

I roto i te whakamahinga mahi, i nga waahi he nui te rereketanga o te pāmahana i waenga i te raumati me te takurua, me tohu he pai ake te whakamahi i te pokey iti i te takurua, he pai ake te hanga.Ki te kore, ka iti te pāmahana, ka piki ake te pokey o te cellulose, a ka warohia, ka taumaha te ahua.

Pokey Waenga: 75000-100000 te nuinga whakamahia mo putty

Take: He pai te pupuri wai

Te pokey teitei:HPMC 150000-200000 Kei te nuinga whakamahia mo te polystyrene matūriki matūriki kumete moata kapia paura rauemi me te vitrified pirepire kumete marara.

Te take: te pokey teitei, kaore i te ngawari ki te taka te kumete, te rere iri, te whakapai ake i te hanga.

Engari i te nuinga o te korero, ko te teitei ake o te pokey, ko te pai ake te pupuri i te wai, he maha nga wheketere kumete maroke, me te whakaaro ki te utu, whakamahia te pokey reo HPMC cellulose (75000-100000) ki te whakakapi i te reo me te iti pokey HPMC cellulose (20000-40000) hei whakaiti te nui o te taapiri.

 


Te wa tuku: Hanuere-10-2022