1. Nnyocha
Hydroxypyl Methyl Cellulose (HPMC) bụ ihe na-abụghị nke iic cellulose nke sitere na polymer site na ihe omume - cellulose site na usoro kemịkal. Hydroxypyl Methylcelllose (HPMC) bụ ntụ ntụ, na-enweghị atụ, na-egbochi ihe nkiri, na-arụ ọrụ, ebe obibi mmiri na njikwa colloid.
Enwere ike iji Hydropyylthylthythylcelllose (HPMC) nwere ike iji ihe eji eme ihe, mkpuchi, conthern resins, ọgwụ, ihe oriri, ihe ịchọ mma ọrụ ugbo na tobacy
2,A na-ekewa nkọwapụta ngwaahịa na ngwaahịa nhazi na ụdị mmiri oyi sọsọ s na ụdị nkịtị
Usoro nkọwapụta nke hydroxyppppyl Methyl Cellulose
| ihe emeputara ohuru | MC | Hpmc | ||||
| HE | HF | HJ | HK | |||
| Methoxy | Ọdịnaya (%) | 27.0 ~ 32.0 | 28.0 ~ 30.0 | 27.0 ~ 30.0 | 16.5 ~ 20.0 | 19.0 ~ 24.0 |
| Ogo nke dochie anya | 1.7 ~ 1.9 | 1.7 ~ 1.9 | 1.8 ~ 2.0 | 1.1 ~ 1.6 | 1.1 ~ 1.6 | |
| Hydroxypropoxy | Ọdịnaya (%) | 7.0 ~ 12.0 | 4 ~ 7.5 | 23.0 ~ 32.0 | 4.0 ~ 12.0 | |
| Ogo nke dochie anya | 0.1 ~ 0.2 | 0.2 ~ 0.3 | 0.7 ~ 1.0 | 0.1 ~ 0.3 | ||
| Mmiri (wt%) | ≤5.0 | |||||
| Ash (wt%) | ≤1.0 | |||||
| Phvalue | 5.0 ~ 8.5 | |||||
| Mputa | Mood White Graning Grance ma ọ bụ ntụ ntụ | |||||
| Fashion | 80Hee | |||||
| vissity (MPA.S) | lee Visation Visact | |||||
Nkọwapụta viscosity
| Nkowa | Viscosity (MPA.S) | Nkowa | Viscosity (MPA.S) |
| 5 | 3 ~ 9 | 8000 | 7000 ~ 9000 |
| 15 | 10 ~ 20 | 10000 | 9000 ~ 11000 |
| 25 | 20 ~ 30 | 20000 | 15000 ~ 25000 |
| 50 | 40 ~ 60 | 40000 | 35000 ~ 45000 |
| 100 | 80 ~ 120 | 60000 | 46000 ~ 65000 |
| 400 | 300 ~ 500 | 80000 | 66000 ~ 84000 |
| 800 | 700 ~ 900 | 100000 | 85000 ~ 120000 |
| 1500 | 1200 ~ 2000 | 150000 | 130000 ~ 180000 |
| 4000 | 3500 ~ 4500 | 200000 | ≥180000 |
3,Ọdịmma ngwaahịa
Njirimara: Ngwaahịa a bụ ntụ ntụ ọcha ma ọ bụ nke na-acha ọcha, enweghị isi, nana-enweghị nsi.
Mmiri ga-agbaze mmiri na ike dị iche iche: ngwaahịa a nwere ike gbazee na mmiri oyi iji mepụta usoro vivoth vercous.
Mghapu na sonlectic osisi: N'ihi na o nwere ụfọdụ ego nke methoxyl dị iche iche, a ga-agbaze ngwaahịa a na ụfọdụ sonvac na-agbaze na soment agwakọta na mmiri.
Nnọgide nnu: Ebe ọ bụ na ngwaahịa a bụ polymer na-abụghị nke Ionic, ọ dị ntakịrị na nnu nke nnu ma ọ bụ electrolytes.
Ọrụ dị elu: Ngwọta osisi nke ngwaahịa a nwere ọrụ na akụrụngwa dịka emursific, colloid na nkwụsi ike.
Ọkụ ahụ ọkụ: mgbe ihe ngwọta ngwaahịa a na-ewe iwe ọkụ n'oge okpomọkụ, ọ na-anyụ opaque ruo mgbe ọ na-edobe oghere flocculation, nke mere na ihe ngwọta ya na-efunahụ viscosity. Ma mgbe obi jụrụ, ọ ga-agbanye na steeti mbụ ọzọ. Ọnọdụ okpomọkụ nke gelition na-egosi na-adabere n'ụdị ngwaahịa, ịta nke ihe ngwọta na ọnụego ikpo ọkụ.
Nkwụsi ike: viactos nke osisi nke ngwaahịa a kwụsiri ike n'ime oke ph3.0-11.0.
Mmetụta mmiri na-agbanwe agbanwe: Ebe ọ bụ na ngwaahịa a bụ hydrophilic, enwere ike itinye ya na ngwa agha, gypsum, agba, wdg iji nọgide na-enwe mmetụta dị elu na ngwaahịa ahụ.
Njikọ nhazi: tụnyere polymers mmiri ndị ọzọ, ngwọta osisi nke ngwaahịa a nwere ihe ngosi viscostic pụrụ iche. Ihe mgbakwunye ya nwere ikike idobe udi nke ngwaahịa ceramiiki agbanweghị.
Iyi: na-agbakwunye ngwaahịa a nwere ike belata cocissurefs a na-enweghị atụ ma melite ọtụtụ ngwaahịa nke ceramic na ngwaahịa ngwaahịa.
Ngwongwo nke fils: Ngwaahịa a nwere ike ịmalite ihe nkiri na-agbanwe agbanwe, nke akọwapụtara nke nwere ezigbo arụmọrụ, nweekwa ezigbo mmanụ
4. Akụrụngwa na kemịkal
Ogo ururu: 100 mesh na-agafe ogo karịrị 98.5%, 80 Mons Pass dị 100%
Carbonazations: 280 ~ 300 ℃
Inwe njupụta: 0.25 ~ 0.70 / cm ụfọdụ dị iche iche grafty 1.26 ~ 1.31
Okpomoku di iche iche: 190 ~ 200 ℃
Esemokwu dị elu: 2% aquare bụ 42 ~ 56dyn / cm
Solubality: soluble na mmiri na ụfọdụ ihe ndozi, ngwọta osisi nwere ọrụ dị elu. Nghọta dị elu. Arụ ọrụ kwụsiri ike, mgbanwe na-agbanwe agbanwe na viscosity, ala ala ọhụụ, ka mkpali ike.
HPMC nwekwara njirimara nke ike dị iche iche, nguzogide nke nnu, ụlọ ọrụ mmiri, ezigbo ihe nkiri na-eguzogide na njigide.
Ise, isi ebumnuche
A na-ejikarị ọkwa ụlọ ọrụ dị ka onye a na-achụsasị na mmepụta nke polyvinylch chloride, ma bụ onye na-ahụ maka otu na-akwado PVC site na polymerization. Na mgbakwunye, enwere ike iji ya dị ka nke na-eme ihe, sie ike, na-ejigide onye na-edebe ihe na-ejigide ya na mmepụta mmiri, wdg, ihe nkiri, ihe nkiri, ihe nkiri, ihe nkiri, ihe nkiri. Na-emerụ ahụ, ịmịpụta nke ọma na arụmọrụ dị mma, si otú ahụ na-edobe gelatin na mmanya polyvinyl.
Esemokwu isii:
(1). Were ego achọrọ nke mmiri ọkụ, tinye ya n'ime akpa ma kpoo ya n'elu 80 Celsius C, ma jiri nwayọ tinye ngwaahịa a n'okpuru iwepịa ngwa ngwa. The cellolose na-ese n'elu mmiri na elu, mana ọ na-eji nwayọọ nwayọọ na-eji nwayọọ nwayọọ na-etolite edo. A na-ajụ ihe ngwọta ya mgbe ị na-akpali.
(2). N'aka nke ọzọ, okpomọkụ 1/3 ma ọ bụ 2/3 nke mmiri ọkụ ka nke dị elu 85 Celsius C, tinye cellulose iji nweta oge fọdụrụnụ, na-agbakwunye ngwakọta, ma dị jụụ ngwakọta.
(3). Na ntupu nke cellulose dịtụ mma, ọ na-adị ka obere mkpịsị aka na ọnya na-akpali ngwa ngwa, ọ na-agbada ngwa ngwa mgbe ọ na-ezute mmiri iji mepụta viscosity chọrọ.
(4). Jiri nwayọ nwayọ tinye cellosuse na ụlọ okpomọkụ, na-akpali oge niile ruo mgbe a na-etolite ngwọta.
Oge post: Feb-14-2025