Cellulose maka owuwu bụ ihe mgbakwunye a na-ejikarị eme ihe owuwu ihe. A na-ejikarị cellulose eme ihe na ngwa ngwa ntụ ntụ. Mgbakwunye nke cellulose ether dị nnọọ ala, ma ọ nwere ike imeziwanye arụmọrụ nke ngwa agha mmiri ma na-emetụta mgbidi ngwa ngwa. Arụmọrụ kwesịrị ịkwụ ụgwọ nlebara anya na ojiji. Yabụ kedu ihe akụrụngwa anụ ahụ nke cellulose maka owuwu, gịnịkwa bụ usoro iwu nke cellulose maka owuwu? Ọ bụrụ na ị maghị ọtụtụ ihe gbasara akụrụngwa na usoro owuwu nke cellulose maka owuwu, ka anyị leba anya ọnụ.
Kedu ihe bụ njirimara anụ ahụ nke cellulose maka owuwu:
1. Ọdịdị: ọcha ma ọ bụ na-acha ọcha ntụ ntụ.
2. Nha nha; ọnụego ngafe nke 100 ntupu karịrị 98.5%; ngafe nke 80 ntupu karịrị 100%.
3. Carbonization okpomọkụ: 280-300C
4. Njupụta pụtara ìhè: 0.25-0.70 / cm3 (na-emekarị gburugburu 0.5g / cm3), ike ndọda kpọmkwem 1.26-1.31.
5. Okpomọkụ ngbanwe: 190-200C
6. Esemokwu dị n'elu: 2% ngwọta mmiri bụ 42-56dyn / cm.
7. Soluble na mmiri na ụfọdụ ihe mgbaze, dị ka kwesịrị ekwesị nkezi nke ethanol / mmiri, propanol / mmiri, trichloroethane, wdg Aqueous ngwọta na-arụ ọrụ elu. Ngosipụta dị elu, arụmọrụ kwụsiri ike, nkọwa dị iche iche nke ngwaahịa nwere okpomọkụ gel dị iche iche, mgbanwe na-agbanwe na viscosity, na-ebelata viscosity, nke ukwuu nke solubility, nkọwa dị iche iche nke HPMC nwere ụfọdụ ọdịiche na arụmọrụ, na mgbasa nke HPMC na mmiri adịghị emetụta. site na pH uru.
8. Site na mbelata ọdịnaya metoxyl, ebe gel na-abawanye, solubility mmiri nke HPMC na-ebelata, ọrụ elu na-ebelatakwa.
9. HPMC nwekwara àgwà nke ndim ike, nnu-eguzogide, obere ntụ ntụ, PH nkwụsi ike, mmiri njigide, akụkụ kwụsie ike, magburu onwe film-akpụ onwunwe, na dịgasị iche iche nke enzyme eguzogide, dispersibility na cohesiveness.
Kedu ihe bụ usoro owuwu nke cellulose maka owuwu:
1. Ihe ndị chọrọ n'ogo ala: Ọ bụrụ na nchikota nke mgbidi mgbidi enweghị ike imezu ihe ndị a chọrọ, a ga-ehichapụ elu elu nke mgbidi mgbidi ahụ nke ọma, a ga-etinyekwa onye na-ahụ maka interface iji mee ka ikike ijide mmiri dị elu. mgbidi ma si otú ahụ kwalite ike njikọ dị n'etiti mgbidi na osisi polystyrene.
2. Play akara akara: gbapụta kehoraizin na vetikal akara akara nke mpụta ọnụ ụzọ na windo, mgbasawanye nkwonkwo, ịchọ mma nkwonkwo, wdg na mgbidi.
3. Kọwaa ahịrị ntụaka: Kwegidere wires nchara kwụ ọtọ na nnukwu akụkụ (nkuku mpụga, nkuku dị n'ime) nke mgbidi mpụta nke ụlọ ahụ na ebe ndị ọzọ dị mkpa, ma kpọgidere ahịrị kwụ ọtọ n'ọnọdụ kwesịrị ekwesị na ala nke ọ bụla iji chịkwaa verticality na flatness. osisi polystyrene.
4. Nkwadebe nke mkpuchi mkpuchi polymer: Ihe a bụ ihe eji eme ihe na-edozi ahụ, nke a ga-eji dị ka ihe ndị a chọrọ, na-agbakwunyeghị ihe ọ bụla ọzọ, dị ka ciment, ájá na ndị ọzọ polymers.
5. Tapawa akwa akwa akwa akwa akwa: Ebe niile ekpughere n'akụkụ osisi polystyrene a mado (dị ka nkwonkwo mgbasawanye, nkwonkwo mmezi ụlọ, nkwonkwo okpomọkụ na sutures ndị ọzọ n'akụkụ abụọ, ọnụ ụzọ na windo) kwesịrị ka a na-emeso ya na akwa akwa. .
6. Ngwunye polystyrene osisi: Rịba ama na ịkpụ ahụ dị n'elu osisi. Ntugharị nha kwesịrị izute ihe ndị a chọrọ nke iwu, na nkwonkwo nke osisi polystyrene ekwesịghị ịhapụ n'akụkụ anọ nke ọnụ ụzọ na windo.
7. Idozi arịlịka: ọnụ ọgụgụ nke arịlịka karịrị 2 kwa square mita (na-abawanye karịa 4 maka ụlọ elu).
8. Kwadebe plastering ngwa agha: Kwadebe plastering ngwa agha dị ka ruru nyere site emeputa, otú iji nweta ezi nha, n'ibu secondary edemede, na ọbụna ịgwakọta.
N'ime ụdị cellulose ndị a na-eji na-ewu ụlọ, cellulose ether nke hydroxypropyl methylcellulose na-eji n'ime ntụ ntụ ntụ bụ tumadi hydroxypropyl methylcellulose ether. Hydroxypropyl methylcellulose na-arụkarị ọrụ nke njide mmiri, na-eme ka ọ dịkwuo mma ma na-emeziwanye arụmọrụ ihe owuwu na ngwa ngwa ntụ ntụ.
Oge nzipu: Mee-10-2023