Hydroxypropyl methylcellulose (HPMC)bụ cellulose ether nke na-abụghị ionic nke e ji ihe polymer eke mee site na usoro nhazi kemịkalụ. Ha bụ ntụ ọcha na-enweghị isi, enweghị uto na-adịghị egbu egbu nke na-amịkọrọ na mmiri oyi ruo na mmiri doro anya ma ọ bụ obere mmiri mmiri colloidal. Nwere ihe onwunwe nke ịka nká, ijikọ, ịgbasa, emulsifying, imepụta ihe nkiri, nkwụsịtụ, ịbata, gelling, ihe ndị dị n'elu, idobe mmiri na colloids nchebe. Enwere ike iji Hydroxypropyl methylcellulose, methylcellulose na ihe owuwu ụlọ, ụlọ ọrụ mkpuchi, resin sịntetik, ụlọ ọrụ seramiiki, ọgwụ, nri, ákwà, ọrụ ugbo, kemịkalụ kwa ụbọchị na ụlọ ọrụ ndị ọzọ.
Isi ihe e ji hydroxypropyl methylcellulose HPMC eme bụ iji ihe owuwu ụlọ:
1 Ihe e ji simenti mee nke e ji mee ihe
①Mee ka ịdị n'otu dịkwuo mma, mee ka ihe e ji eme plastering dị mfe iji trowel, melite iguzogide sag, melite fluidity na pumpability, ma melite arụmọrụ ọrụ.
②Ijide mmiri dị elu, mee ka oge ntinye nke ngwa agha ahụ dịkwuo ogologo, melite arụmọrụ ọrụ, ma mee ka mmiri na ịgbaze nke ngwa agha ahụ dị mfe iji mepụta ike igwe dị elu.
③ Jikwaa ntinye ikuku iji wepụ mgbawa na elu mkpuchi ahụ ma mepụta elu dị larịị zuru oke.
Ngwakọta plasta abụọ e ji gypsum mee na gypsum
①Mee ka ịdị n'otu dịkwuo mma, mee ka ihe e ji eme plastering dị mfe iji trowel, melite iguzogide sag, melite fluidity na pumpability, ma melite arụmọrụ ọrụ.
②Ijide mmiri dị elu, mee ka oge ntinye nke ngwa agha ahụ dịkwuo ogologo, melite arụmọrụ ọrụ, ma mee ka mmiri na ịgbaze nke ngwa agha ahụ dị mfe iji mepụta ike igwe dị elu.
③ Jikwaa nguzozi nke ngwa agha ahụ ka ọ bụrụ otu ma mepụta mkpuchi elu zuru oke.
3 Ngwa agha nkume
①Mee ka njikọ dị n'elu ihe owuwu ahụ dịkwuo mma, mee ka mmiri ghara ịpụ apụ, ma melite ike nke ihe owuwu ahụ.
②Melite mmanu na plasticity, ma melite ike ọrụ; ngwa agha cellulose ether nke e mere ka ọ dị mfe ịrụ, na-azọpụta oge owuwu ma na-ebelata ọnụ ahịa owuwu.
③ Cellulose ether nke na-ejide mmiri nke ukwuu, nke dị mma maka brik ndị na-amịkọrọ mmiri nke ukwuu.
Ihe mkpuchi nkwonkwo efere anọ
①Ọ dị mma ijide mmiri, mee ka oge mmeghe dịkwuo ogologo ma melite arụmọrụ ọrụ. Mmanụ dị elu, ọ dịkwa mfe ịgwakọta.
②Melite iguzogide mbelata na iguzogide mgbawa, ma melite mma elu nke mkpuchi ahụ.
③Melite njikọta nke elu njikọ ahụ ma nye udidi dị nro ma dị ire ụtọ.
Ngwakọta Taịlị ise
① Ngwakọta ihe ndị e ji mee ya dị mfe ịkpọ nkụ, agaghị emepụta ihe ọ bụla, a ga-amụba ọsọ ngwa ahụ, a ga-emeziwanye arụmọrụ owuwu ahụ, a ga-echekwa oge ọrụ ahụ, a ga-ebelatakwa ọnụ ahịa ọrụ ahụ.
②Site n'ịgbatị oge mmeghe, ọ na-eme ka arụmọrụ nke taịl dị mma ma na-enye mmetụta njikọta dị mma.
Ihe 6 na-eme ka ala dị larịị
① Na-enye viscosity ma enwere ike iji ya dị ka ihe enyemaka mgbochi ịda mba.
②Mee ka mmiri mmiri dị elu ma melite arụmọrụ nke pavement.
③ Jikwaa njide mmiri na mbelata iji belata mgbawa na mbelata nke ala.
7 Agba e ji mmiri mee
①Kpochie mmiri ozuzo siri ike ma mee ka oge akpa ngwaahịa ahụ dị ogologo. Nkwụsi ike dị elu na nkwekọ dị mma na ihe ndị ọzọ.
②Melite mmiri mmiri, nye ezigbo nguzogide mmiri, nguzogide sag na ọkwa, ma hụ na imecha elu dị mma.
ntụ akwụkwọ ahụaja 8
①Gbaa ngwa ngwa na-enweghị njikọta, nke dị mma maka ịgwakọta.
②Nye ike njikọ dị elu.
9 Mbadamba simenti a na-ewepụta
①Ọ nwere oke nrapado na mmanụ dị mma, ma na-eme ka usoro nhazi nke ngwaahịa ndị a na-ewepụta dịkwuo mma.
②Melite ike ndụ ndụ, kwalite mmiri mmiri na mmetụta ọgwụgwọ, ma melite mkpụrụ.
Ngwaahịa HPMC iri maka ngwa agha agwakọtara agwakọta
IheHPMCNgwaahịa a na-eji eme ihe maka ngwa agha agwakọtara nke ọma nwere ezigbo nchekwa mmiri karịa ngwaahịa nkịtị dị na ngwa agha agwakọtara nke ọma, na-ahụ na ihe simenti na-adịghị n'ime ahụ na-agba mmiri nke ọma, ma na-egbochikwa mbelata ike njikọ nke oke nkụcha na mgbawa nke nkụcha na-akpata. HPMC nwekwara mmetụta ntinye ikuku ụfọdụ. Ngwaahịa HPMC nke a na-eji eme ihe maka ngwa agha agwakọtara nke ọma nwere obere ntinye ikuku kwesịrị ekwesị, otu na obere, nke nwere ike ime ka ike na plasta nke ngwa agha agwakọtara nke ọma ka mma. Ngwaahịa HPMC nke a na-eji eme ihe maka ngwa agha agwakọtara nke ọma nwere mmetụta na-ebelata oge, nke nwere ike ịgbatị oge mmeghe nke ngwa agha agwakọtara nke ọma ma belata ihe isi ike nke owuwu. Hydroxypropyl methylcellulose (HPMC) bụ cellulose ether na-abụghị ionic nke e ji cellulose ihe polymer eke mee site na usoro nhazi kemịkalụ. Ha bụ ntụ ọcha na-enweghị isi, enweghị uto na-adịghị egbu egbu nke na-aza na mmiri oyi ruo na ngwọta colloidal doro anya ma ọ bụ ntakịrị mmiri mmiri. Nwere ihe ndị dị ka ịka nká, ịjikọta ihe, ịgbasa ihe, ime ka ihe dị nro, imepụta ihe nkiri, ịkwụsịtụ ihe, ịbata ihe, ịchacha ihe, ime ka ihe dị n'elu ya dị ọcha, idobe mmiri na ihe ndị na-echebe ya. Enwere ike iji Hydroxypropyl methylcellulose, methylcellulose mee ihe n'ihe owuwu ụlọ, ụlọ ọrụ mkpuchi, resin sịntetik, ụlọ ọrụ seramiiki, ọgwụ, nri, ákwà, ọrụ ugbo, kemịkalụ kwa ụbọchị na ụlọ ọrụ ndị ọzọ.
Oge ozi: Eprel-25-2024