Gịnị bụ hydroxypropyl methyl cellulose HPMC?

HPMC hydroxypropyl methyl celluloseonye nrụpụta mmepụta ihe mmepụta ihe na-ebupụ ihe nrụpụta ihe na-ebupụ ihe
Kedu ihe bụ isi ojiji nke HPMC?
Enwere ike kewaa HPMC n'ime: ọkwa owuwu, ọkwa nri na ọkwa ahụike site na ojiji.
A na-ejikarị HPMC eme ihe n'ihe gbasara ihe owuwu ụlọ, ihe mkpuchi, resin sịntetik, seramiiki, ọgwụ, nri, ákwà, ọrụ ugbo, ihe ịchọ mma, ụtaba na ụlọ ọrụ ndị ọzọ.
Ugbu a, ọtụtụ n'ime ọkwa owuwu ụlọ, n'ọkwa owuwu, oke ntụ ntụ putty dị ukwuu, ihe dị ka 90% ka a na-eji eme ntụ ntụ putty, ihe fọdụrụ bụ iji mee simenti na gluu.

Kedu ihe bụ isi ihe eji emepụta HPMC?
Ihe ndị bụ isi e ji emepụta HPMC bụ owu a nụchara anụcha, chloromethane, propylene oxide. Ihe ndị ọzọ e ji emepụta ha bụ alkali mbadamba, acid, toluene, isopropanol na ihe ndị ọzọ.

- E kewara HPMC n'ọtụtụ ụdị, kedu ihe dị iche na ojiji?
Enwere ike kewaa HPMC n'ime ụdị ozugbo na nke okpomọkụ.

Ngwaahịa ozugbo, n'ime mmiri oyi, gbasaa ngwa ngwa, na-apụ n'anya n'ime mmiri, n'oge a mmiri ahụ enweghị viscosity, n'ihi na HPMC na-agbasa n'ime mmiri, enweghị ezigbo mgbaze. Ihe dị ka nkeji abụọ, viscosity nke mmiri ahụ na-abawanye nwayọ nwayọ, na-emepụta viscous colloid doro anya. Enwere ike iji ọtụtụ ngwa, na putty powder na mortar, yana mmiri gluu na agba, enweghị ihe mgbochi.

Ngwaahịa ndị na-agbaze ọkụ, na mmiri oyi, nwere ike ịgbasa ngwa ngwa na mmiri ọkụ, pụọ na mmiri ọkụ, mgbe okpomọkụ dara ruo na okpomọkụ ụfọdụ, viscosity na-apụta nwayọ nwayọ, ruo mgbe e guzobere viscous colloid doro anya. Enwere ike iji ya naanị na putty powder na mortar, na mmiri mmiri gluu na agba, a ga-enwe ihe omume otu, enweghị ike iji ya.

Kedu ihe bụ isi ihe ngosi teknụzụ nkeHPMC?
Ọdịnaya hydroxypropyl na viscosity, ọtụtụ ndị ọrụ na-echegbu onwe ha maka ihe atụ abụọ a.

Ọ dị elu n'ime hydroxypropyl, ọ ka mma ka idobe mmiri.

Ọ dị mma karịa, iji mmiri amịkọrọ, iji ihe dị n'ime ya (mana ọ bụghị nke zuru oke), nakwa iji ihe dị n'ime simenti mee ihe.

Kedu viscosity dị mma maka HPMC?
Ọrụ kachasị mkpa nke HPMC bụ idobe mmiri, wee soro ya mee ka ọ sie ike.
Ntụ ntụ putty na-abụkarị 100,000 cps. Ọ bụrụhaala na njide mmiri dị mma, viscosity dị ala (70,000-80000), o nwekwara ike, n'ezie, viscosity ahụ buru ibu, njide mmiri dị mma karịa, mgbe viscosity ahụ karịrị 100,000, viscosity ahụ enweghị mmetụta dị ukwuu na njide mmiri.
Ihe achọrọ na MORTAR dị ogologo karịa, achọrọ ya puku narị na iri ise (150,000) naanị iji dị mma iji.
Ngwa gluu: mkpa ngwa ngwa, oke viscosity.