Hydroxypropyl methylcellulose (HPMC maka mkpụmkpụ) bụ ihe dị mkpa ether agwakọtara agwakọta, nke bụ polima na-agbaze na mmiri na-abụghị ionic, a na-ejikwa ya nke ọma na nri, ọgwụ, ụlọ ọrụ kemịkalụ kwa ụbọchị, mkpuchi, mmeghachi omume polymerization na owuwu dị ka nkwụsịtụ mgbasa, ịka nká, emulsifying, stabilizing na gluu, wdg, enwere nnukwu oghere n'ahịa ụlọ.
A na-ejikarị Hydroxypropyl methylcellulose eme ihe n'ọtụtụ ebe n'ụlọ ọrụ owuwu dị ka ihe na-emepụta ihe nkiri, ihe na-ejikọta ihe, ihe na-agbasa ihe, ihe na-eme ka ihe sie ike, ihe na-eme ka mmiri sie ike, ihe na-akwalite mmiri, wdg, ọ ghọwokwa ngwaahịa pụrụ iche nke dọtara uche kemgbe ewepụtara ya n'ahịa.
Hydroxypropylmethylcellulose
Aha Bekee zuru ezu: Hydroxypropyl Methyl Cellulose Ndebiri Bekee: HPMC
Ebe ọ bụ na HPMC nwere ihe ndị dị mma dịka ịka nká, emulsification, nhazi ihe nkiri, colloid nchebe, njigide mmiri, njikọta, iguzogide enzyme na enweghị ike metabolism, a na-ejikarị ya eme ihe n'ọtụtụ ebe na mkpuchi, mmeghachi omume polymerization, ihe owuwu ụlọ, mmepụta mmanụ, ákwà, nri, ọgwụ, seramiiki eji kwa ụbọchị, ngwaọrụ eletrọnịkị na mkpụrụ ọrụ ugbo na ngalaba ndị ọzọ.
ihe owuwu ụlọ
N'ihe gbasara ihe owuwu ụlọ, a na-etinye HPMC ma ọ bụ MC na simenti, ngwa agha, na ngwa agha iji melite ihe owuwu na ihe eji echekwa mmiri.
Enwere ike iji ya dịka:
1) Ihe na-eme ka ihe na-arapara ma na-eme ka ihe dị nro maka teepu gypsum;
2) Njikọ nke brik, taịlị na ntọala nke e ji simenti mee;
3) Stucco nke e ji plastaboard mee;
4) Plasta e ji simenti rụọ;
5). N'ime usoro nke ihe na-ewepụ agba na agba.
Ngwakọta maka taịlị seramiiki
Akụkụ HPMC 15.3
Akụkụ Perlite 19.1
Abụba amides na cyclic thio compounds 2.0 akụkụ
Ụrọ 95.4 akụkụ
Ngwakọta ihe na-esi ísì ụtọ silica (22μ) akụkụ 420
Akụkụ mmiri 450.4
A na-eji simenti ejikọta ya na brik, taịlị, nkume ma ọ bụ simenti ndị na-adịghị n'ime ihe ndị a:
HPMC (ọkwa mgbasa 1.3) 0.3 akụkụ
Simenti Cattelan 100 akụkụ
Ájá Silica 50 akụkụ
Akụkụ iri ise nke mmiri
A na-eji ya eme ihe dị ka ihe mgbakwunye ihe owuwu simenti siri ike:
Simenti Cattelan 100 akụkụ
Asbestos akụkụ ise
Mmezi mmanya Polyvinyl 1 akụkụ
Calcium silicate akụkụ 15
Ụrọ 0.5 akụkụ
Akụkụ mmiri iri atọ na abụọ
HPMC 0.8 akụkụ
Ụlọ ọrụ agba
N'ụlọ ọrụ agba, a na-ejikarị HPMC eme ihe na agba latex na ihe ndị na-agbaze mmiri dịka ihe na-emepụta ihe nkiri, ihe na-eme ka ihe dị arọ, ihe na-eme ka ihe dị nro, ihe na-eme ka ihe dị nro na ihe na-eme ka ọ kwụsie ike.
Nkwụsị Polymerization nke PVC
Ubi kachasị na-eri ngwaahịa HPMC na mba m bụ njikọta nke vinyl chloride. N'ime njikọta nke vinyl chloride, sistemụ mgbasa na-emetụta àgwà nke resin PVC ngwaahịa ahụ na nhazi ya na ngwaahịa ya ozugbo; ọ nwere ike ime ka nkwụsi ike okpomọkụ nke resin ahụ ka mma ma chịkwaa nkesa nha ihe (ya bụ, gbanwee njupụta nke PVC). Ọnụọgụ HPMC bụ 0.025% ~ 0.03 nke mmepụta PVC%.
Resin PVC nke HPMC dị elu kwadebere, tinyere ijide n'aka na arụmọrụ ahụ ruru ọkọlọtọ mba, nwekwara ezigbo ihe onwunwe anụ ahụ, njirimara dị mma nke ihe ndị dị na ya na omume rheological dị mma.
ụlọ ọrụ ndị ọzọ
Ụlọ ọrụ ndị ọzọ gụnyere ihe ịchọ mma, mmepụta mmanụ, ihe nhicha, seramiiki ụlọ na ụlọ ọrụ ndị ọzọ.
mmiri na-agbaze
HPMC bụ otu n'ime polima ndị na-agbaze mmiri, ike mmiri ya na-agbazekwa na-adabere na ọdịnaya nke otu methoxyl. Mgbe ọdịnaya nke otu methoxyl dị ala, enwere ike ịgbaze ya na alkali siri ike ma enweghị ebe a na-etinye thermodynamic. Site na mmụba nke ọdịnaya methoxyl, ọ na-enwe mmetụta karịa na mmiri na-aza ma na-agbaze na alkali na alkali na-adịghị ike. Mgbe ọdịnaya methoxyl dị >38C, enwere ike ịgbaze ya na mmiri, enwere ike ịgbazekwa ya na hydrocarbons halogenated. Ọ bụrụ na etinyere acid oge na HPMC, HPMC ga-agbasa ngwa ngwa na mmiri na-emepụta ihe ndị na-anaghị agbaze agbaze. Nke a bụ isi n'ihi eziokwu ahụ bụ na acid oge nwere otu dihydroxyl na ọnọdụ ortho na glycogen agbasasị.
Oge ozi: Mee-30-2023