Hydroxypropyl Methylcellulose dị ka ihe na-ekewapụ ihe, ngwaahịa ndị e nwetara nwere obere ihe ndị e ji aka ha hazie ma dị nro, njupụta kwesịrị ekwesị na arụmọrụ nhazi dị mma. Agbanyeghị, ojiji nke Hydroxypropyl Methylcellulose naanị nwere ike inye aka na mgbanwe dị mma nke resin. Arụmọrụ nke resin adịghị mma. Ojiji nke hydroxypropyl methylcellulose na ọtụtụ ụdị alcohol dị iche iche nke polyvinyl alcohol nwere ike ime ka arụmọrụ nke ngwaahịa ahụ ka mma, ịdị mma dị mfe ijikwa ma n'otu oge ahụ nwere ike ibelata ọnụ ahịa. Ihe na-agbasa bụ isi ihe na-emetụta ọdịdị obere ihe nke resin polyvinyl chloride. Ka nrụgide elu nke mmiri mmiri nke ihe na-agbasa ihe n'ozuzu na nrụgide interfacial na Vinyl chloride monomer dị obere, otú ahụ ka enwere ike ịgbasa obere mmiri VCM. Ya mere dayameta obere ihe nke resin PVC ga-adị obere. Ka ikike nchebe nke ihe na-agbasa ihe sikwuo ike, otú ahụ ka obere ihe resin PVC enwetara ga-adịkwu nso na obere porosity ga-adị. Na coalescence intergranular na-esikwa ike karị, yabụ ọ dị mfe ịmepụta resin.
Dịka ọmụmaatụ, na sistemụ mgbasa nke PVA na HPC, ka ọkwa alcoholism nke PVA dị elu, otú ahụ ka nrụgide elu nke mmiri mmiri ga-esi dịkwuo elu ma ikike nchekwa ga-esi ike, ebe njupụta ụfọdụ nke hydroxypropyl methylcellulose nwere mmetụta mgbasa dị mma. Ya mere, iji PVA nwere ogo alcoholism dị elu dị ka isi ihe.
ihe na-agbasa, na ime ka ihe na-agwakọta
ọnụọgụ ụfọdụ nke hydroxypropyl methylcellulose
Dịka ihe na-agbasa ihe maka polymerization nke nkwụsịtụ, ọ dị mfe ịkwadebe resin PVC nke nwere ike imezu ihe achọrọ na nhazi nke ihe ndị dị na ya. Dịka ọmụmaatụ, na sistemụ mgbasa nke PVA na HPC, ka ọkwa alcoholism nke PVA dị elu, otú ahụ ka nrụgide elu nke mmiri mmiri ga-esi dịkwuo elu ma ike nchekwa ga-esi ike, ebe njupụta ụfọdụ nke hydroxypropyl methylcellulose nwere mmetụta mgbasa dị mma.
Oge ozi: Maachị-17-2022