Methyl hydroxyethyl celluloseA na-akwado ya site n'iwebata ethylene oxide substituents (MS0.3 ~ 0.4) n'ime methyl cellulose, na gel okpomọkụ dị elu karịa nke methyl cellulose na methyl hydroxypropyl cellulose. , arụmọrụ ya zuru oke dị mma karịa methyl cellulose na methyl hydroxypropyl cellulose.
Methyl hydroxyethyl cellulose bụ nke a na-eji dị ka thickener, stabilizer na colloid nchebe na ngwa agha ụlọ na mkpuchi mmiri.
Mputa
Ọcha na-acha ọcha ma ọ bụ ntakịrị odo ntụ ntụ ntụ
Methoxy (wt%)
22.0-30.0
Hydroxyethyl (wt%)
8.0-16.0
Gel okpomọkụ (℃)
60-90
Uru pH (1% ngwọta mmiri)
5.0-8.5
Mmiri (%)
≤6.0
Ash (%)
≤5.0
Ịdị mma (ọnụego ngafe ntupu 80) (%)
≥99.0
Viscosity (2% ngwọta mmiri, 20℃, mPa.s)
400-200000
Njirimara anụ ahụ na kemịkal
1. Solubility: soluble na mmiri na ụfọdụ organic solvents, kasị elu ịta naanị na-adabere na viscosity, solubility mgbanwe na viscosity, ala viscosity, ukwuu solubility.
2. Nguzogide nnu: Ngwaahịa ahụ bụ cellulose ether na-abụghị ionic, bụ nke na-adịgide adịgide na ngwọta mmiri, ma oke mgbakwunye nke electrolyte nwere ike ime ka gelation na mmiri ozuzo.
3. Ọrụ elu: N'ihi na ngwọta mmiri nwere ọrụ ọrụ elu, enwere ike iji ya dị ka onye na-echebe colloid, emulsifier na dispersant.
4. Thermal gel: Mgbe ngwọta mmiri nke ngwaahịa ahụ na-ekpo ọkụ na okpomọkụ, ọ na-aghọ opaque, gels, na-emepụta ihe na-asọ oyi, ma mgbe ọ na-anọgide na-ajụ oyi, ọ na-alaghachi na ọnọdụ ngwọta mbụ.
5. Metabolism: Metabolism bụ inert ma nwee obere isi na isi ísì. N'ihi na ha anaghị emezigharị ma nwee obere isi na isi ísì, a na-eji ha eme ihe na nri na ọgwụ.
6. Nguzogide mildew: Ọ nwere ikike mgbochi dị mma na nkwụsi ike viscosity dị mma n'oge nchekwa ogologo oge.
7. Nkwụsi ike PH: viscosity nke ngwọta mmiri nke ngwaahịa ahụ adịghị emetụta acid ma ọ bụ alkali, na uru PH dị ntakịrị na nso nke 3.0-11.0.
8. Ọdịnaya ash dị ala: Ebe ọ bụ na ngwaahịa ahụ abụghị ionic, a na-anụcha ya nke ọma site na ịsacha mmiri ọkụ n'oge usoro nkwadebe, ya mere ọdịnaya ntụ ya dị ntakịrị.
9. Njide n'ụdị: Ebe ọ bụ na ngwọta mmiri na-ekpo ọkụ nke ukwuu nke ngwaahịa ahụ nwere ihe pụrụ iche nke viscoelastic ma e jiri ya tụnyere ngwọta mmiri nke polymers ndị ọzọ, mgbakwunye ya nwere ikike imeziwanye ọdịdị nke ngwaahịa seramiiki extruded.
10. Njide mmiri: Hydrophilicity nke ngwaahịa na nnukwu viscosity nke mmiri mmiri ya na-eme ka ọ bụrụ onye na-ejigide mmiri nke ọma.
Ngwa:
tile gluu
Ngwa ngwa plastering, grout, caulk
Ngwa mkpuchi mkpuchi
onwe-ọkwa
Agba mgbidi ime na mputa (ezigbo agba nkume)
Nbukota na mbupu:
25 n'arọ net arọ, akwụkwọ-plastic composite akpa, nwere ike ahaziri dị ka ndị ahịa chọrọ.
Ngwaahịa a na-amịkọrọ mmiri n'ụzọ dị mfe ma ekwesịrị ịchekwa ya n'ebe dị jụụ na nke kpọrọ nkụ.
Oge nzipu: Eprel-26-2024