Kedu ihe bụ hydroxyethyl methyl cellulose (HEMC)?

Kedu ihe bụ hydroxyethyl methyl cellulose (HEMC)?

 Hydroxyethyl methylcellulose(HEMC) a makwaara dị ka methylhydroxyethyl cellulose (MHEC). Ọ bụ urughuru ọcha na-acha ọcha, na-acha ntụ ntụ, ma ọ bụ odo odo. Ọ bụ ether cellulose na-abụghị ionic enwetara site n'ịgbakwụnye ethylene oxide na methyl cellulose. Ọ na-mere si eke mmeghari polymers dị ka osisi pulp ma ọ bụ owu, na HEMC nwere ike na-eji dị ka a elu-arụmọrụ mmiri na-ejigide gị n'ụlọnga, nrapado na film akpụ gị n'ụlọnga, stabilizer, wdg A na-ejikarị na dị iche iche ulo oru ngwa, dị ka mmanụ olulu, ewu na ewu, agba na mkpuchi, pharmaceuticals, wdg.HEMCnwere ike gbanwee dị ka ahịa chọrọ, na mgbe mgbanwe, ọ ka nwere ezi iguzogide sagging na ezi processability. Achọrọ ijiHEMCmaka ulo oru nzube? Biko kpọtụrụ onye na-eweta ngwaahịa a pụrụ ịdabere na yahydroxyethyl methyl celluloseiji nweta ezigbo azụmahịa.

Njirimara HEMC

HEMCnwere ọrụ dị iche iche. Ha gụnyere:

1. Ọdịdị

 HEMCnwere ike na-acha ọcha, ìhè edo edo, odo ọcha, ma ọ bụ isi awọ ọcha.

2. Solubility

HEMCsoluble na mmiri (oyi ma ọ bụ na-ekpo ọkụ). AgbanyeghịHEMCbụ ihe a na-adịghị ahụkebe na ọtụtụ ihe mgbaze organic, ọ bụ soluble na ọnụọgụ abụọ organic solvents na organic ihe mgbaze mmiri usoro.

Ọnụnọ ya dị elu na-adabere na viscosity, na solubility ya dịgasị iche na viscosity. Na ala viscosity, nke ukwuu solubility, na vice versa.

3. Nkwụsi ike nke pH

 HEMCkwụsiri ike na oke nke 3.0-11.0 na viscosity ya fọrọ nke nta ka ọ ghara emetụta ya, mana gafere oke a ga-ebelata viscosity ya.

4. Metabolism

 HEMCbụ ihe na-adịghị agwụ agwụ nke a na-ejikarị eme ihe na nri na ọgwụ n'ihi enweghị ike ịmegharị metabolism.

5. Ọrụ elu

N'ihi ọrụ elu ya na-arụ ọrụ na ngwọta mmiri, enwere ike iji ya dị ka onye na-ekesa, ihe nchebe, na emulsifier.

6. Nguzogide ero

Na nchekwa ogologo oge,HEMCnwere ezi viscosity kwụsie ike, ya mere o nwere ezi ebu iguzogide.

Ike mgbochi ebu ya dị elu karịa nke hydroxyethyl cellulose.

7. Njide mmiri

 HEMCna-aghọ onye na-ejigide mmiri dị irè n'ihi nnukwu viscosity ya na ngwọta mmiri.

Ike njide mmiri ya karịrị nke methyl cellulose.

8. Ash ọdịnaya

Usoro nkwadebe nkeHEMCna-eji ịsacha mmiri ọkụ, na-ebute ọdịnaya ntụ dị ntakịrị.

9. Thermal conductive nrapado

MgbeHEMCngwọta na-ekpo ọkụ na okpomọkụ ụfọdụ, nghọta ya na-ebelata, na-emepụta sedimenti na gel, ma ọ bụrụ na ọ dị mma, ọ ga-alaghachi na ọnọdụ mbụ nke ngwọta ahụ.

A na-ejikarị eme iheHEMC

 Hydroxyethylmethylcelluloseenwere ike iji dị ka:

Ø AdhesiveØ Nchekwa colloidØ ThickenerØ Ihe nkiri na-emepụta onye nnọchi anya Emulsifier LubricantØ Onye nnọchi anya nkwusioru.

Ngwa ụlọ ọrụ nkeHEMC

 HEMCa na-ejikarị eme ihe na ụlọ ọrụ ndị a:

· Aggregation·Cermics·Ihe ịchọ mma · Mwube · nri na ihe ọṅụṅụ · Ọgwụ · agba na mkpuchi · Ink na mkpọ mmanụ

Dị ka e kwuru na mbụ,hydroxyethyl methylcellulose (HEMC) bụ ihe sitere na methylcellulose. Ọ bụ ether cellulose na-abụghị ionic nke sitere na akụrụngwa owu na-adị ọcha.HEMC's mmiri njide na ndim ike ike na-eme ka ọ dị mma maka mmiri dabeere na latex agba, inks na mmanụ ụgbọala, ihe ụlọ, wdg N'ihi ya n'ọtụtụ ebe na ngwa dị iche iche, inweta.HEMCsitere na ndị na-ebubata hydroxyethyl methyl cellulose a ma ama nwere ike hụ na ị nwetara ngwaahịa dabara adaba maka ojiji nkeonwe ma ọ bụ ụlọ ọrụ.