Hydroxyethyl cellulose (HEC) bụ ọcha ma ọ bụ ìhè edo edo, enweghị isi, na-adịghị egbu egbu fibrous ma ọ bụ powdery siri ike, nke a na-akwado site etherification mmeghachi omume nke alkaline cellulose na ethylene oxide (ma ọ bụ chlorohydrin). Nonionic soluble cellulose ethers. Ebe ọ bụ na HEC nwere ezigbo ihe nke ịgbasa, nkwụsịtụ, ịgbasa, emulsifying, bonding, film-forming, na-echebe mmiri na inye colloid nchebe, a na-eji ya eme ihe n'ọtụtụ ebe na nchọpụta mmanụ, mkpuchi, ihe owuwu, ọgwụ, nri, textile, papermaking na polymer Polymerization. na ubi ndị ọzọ. 40 ntupu sieving ọnụego ≥ 99%;
Ọdịdị: ọcha na-acha odo odo fibrous ma ọ bụ ntụ ntụ siri ike, na-adịghị egbu egbu, enweghị ụtọ, soluble na mmiri. Na-adịghị ike soluble na nkịtị organic solvents.
Hydroxyethyl cellulosethickener
Viscosity na-agbanwe ntakịrị na oke PH uru 2-12, mana viscosity na-ebelata karịa oke a. Ọ nwere ihe onwunwe nke ndim, nkwusioru, njide, emulsifying, dispersing, na-ejigide mmiri na ichebe colloid. Enwere ike ịkwadebe ihe ngwọta na ọkwa viscosity dị iche iche. Akwụsịghị n'okpuru ọnọdụ okpomọkụ na nrụgide nkịtị, zere iru mmiri, okpomọkụ, na okpomọkụ dị elu, ma nwee ezigbo nnu solubility maka dielectrics, na ngwọta mmiri ya na-enye ohere ka nnu nnu dị elu ka ọ kwụsie ike.
Njirimara ndị dị mkpa:
Dị ka onye na-abụghị ionic surfactant, hydroxyethyl cellulose nwere ihe ndị a na mgbakwunye na ịgbatị, nkwụsịtụ, njikọ, na-ese n'elu mmiri, na-emepụta ihe nkiri, na-agbasasị, njide mmiri na inye colloid nchebe:
1. HEC na-agbaze na mmiri ọkụ ma ọ bụ mmiri oyi, ọ naghị eme ka ọ dị elu na okpomọkụ dị elu ma ọ bụ na-esi ísì ụtọ, nke mere na ọ nwere ọtụtụ ihe solubility na njirimara viscosity, na gelation na-abụghị thermal;
2. Ọ bụ na-abụghị ionic na ike ibikọ ọnụ na a dịgasị iche iche nke ọzọ mmiri-soluble polymers, surfactants, na salts. Ọ bụ ihe magburu onwe colloidal thickener maka elu-concentration electrolyte ngwọta;
3. Ikike njide mmiri dị okpukpu abụọ dị elu karịa nke methyl cellulose, ọ na-enwekwa usoro nchịkwa ka mma.
4. E jiri ya tụnyere methyl cellulose a ma ama na hydroxypropyl methyl cellulose, ike ịgbasa nke HEC bụ nke kachasị njọ, ma ikike colloid nchebe bụ ike kachasị ike.
Mpaghara ngwa
A na-eji ya dị ka nrapado, surfactant, colloidal echebe gị n'ụlọnga, dispersant, emulsifier na dispersion stabilizer, wdg O nwere a dịgasị iche iche nke ngwa na ubi nke coatings, inks, eriri, e ji esiji ákwà, papermaking, ntecha, pesticides, ịnweta nhazi, mmanụ mmịpụta na ọgwụ.
1. A na-ejikarị ya eme ihe dị ka onye na-egbuke egbuke, onye na-echebe ihe, nrapado, stabilizer, na mgbakwunye maka nkwadebe nke emulsions, jellies, ointments, lotions, eye cleaners, suppositories, na mbadamba. A na-ejikwa ya dị ka gel hydrophilic na skeleton Materials, nkwadebe nke ụdị matriks-ụdị nkwado-ntọhapụ, a pụkwara iji ya mee ihe dị ka ihe nkwụsịtụ na nri.
2. A na-eji ya dị ka onye na-emepụta ihe na-emepụta ihe na ụlọ ọrụ textile, yana dịka onye inyeaka maka njikọta, ịgbatị, emulsifying, na nkwụsi ike na ụlọ ọrụ eletrik na ọkụ ọkụ.
3. Ọ na-eji dị ka thickener na mmiri mmiri ọnwụ reducer maka mmiri dabeere mkpọpu mmiri mmiri na mmecha mmiri, na ndim mmetụta doro anya na brine mkpọpu mmiri mmiri. Enwere ike iji ya dị ka ihe na-ebelata mmiri mmiri maka ciment nke ọma mmanụ. Enwere ike ijikọ ya na ion metal polyvalent iji mepụta gel.
4. A na-eji ngwaahịa a mee ihe dị ka onye na-ekesa maka polymerization nke mmiri mmiri na-agbaji mmanụ mmanụ, polystyrene na polyvinyl chloride, wdg site na-agbaji. Enwere ike iji ya dị ka ihe emulsion thickener na ụlọ ọrụ agba, hygrostat na ụlọ ọrụ eletrọnịkị, ciment anticoagulant na onye na-ejide mmiri na ụlọ ọrụ ihe owuwu. Ụlọ ọrụ seramiiki glazing na ihe nkpuchi eze. A na-ejikwa ya n'ọtụtụ ebe na-ebi akwụkwọ na agba, textiles, ide akwụkwọ, ọgwụ, ịdị ọcha, nri, sịga, pesticides na ihe ndị na-emenyụ ọkụ.
5. Dị ka surfactant, colloidal echebe gị n'ụlọnga, emulsification stabilizer maka vinyl chloride, vinyl acetate na ndị ọzọ emulsions, nakwa dị ka latex tackifier, dispersant, dispersion stabilizer, wdg A na-ejikarị na mkpuchi, eriri, dyeing, papermaking, ntecha, ọgwụ, pesticides. , wdg. O nwekwara ọtụtụ ihe eji achọpụta mmanụ na ụlọ ọrụ igwe.
6. Hydroxyethyl cellulose nwere elu arụ ọrụ, ndim, suspending, njide, emulsifying, film-akpụ, dispersing, mmiri na-ejigide na-echebe ọrụ na ọgwụ siri ike na mmiri mmiri preparations.
7. A na-eji ya dị ka onye na-ekesa polymeric maka iji mmiri na-agbaji mmiri na-agbaji mmanụ mmanụ, polyvinyl chloride na polystyrene. A pụkwara iji ya mee ihe dị ka ihe emulsion thickener na ụlọ ọrụ agba, ciment anticoagulant na mmiri na-ejide ihe na ụlọ ọrụ ihe owuwu, ihe na-egbuke egbuke na ihe ntanye eze na ụlọ ọrụ seramiiki. A na-ejikwa ya na mpaghara ụlọ ọrụ mmepụta ihe dị ka ibipụta na ịcha akwa, akwa akwa, ịde akwụkwọ, ọgwụ, ịdị ọcha, nri, sịga na ọgwụ nje.
Arụmọrụ ngwaahịa
1. HEC na-agbaze na mmiri ọkụ ma ọ bụ mmiri oyi, ọ naghị eme ka ọ dị elu na okpomọkụ dị elu ma ọ bụ na-esi ísì ụtọ, nke mere na ọ nwere ọtụtụ ihe solubility na njirimara viscosity, na gelation na-abụghị thermal;
2. Ọ bụ ndị na-abụghị ionic na ike ibikọ ọnụ na ndị ọzọ mmiri-soluble polymers, surfactants na salts na a dịgasị iche iche. Ọ bụ ihe magburu onwe colloidal thickener maka ngwọta nwere elu-concentration dielectrics;
3. Ikike njide mmiri dị okpukpu abụọ karịa nke methyl cellulose, ọ na-enwekwa usoro nchịkwa ka mma;
4. E jiri ya tụnyere methyl cellulose a ma ama na hydroxypropyl methyl cellulose, ike ịgbasa nke HEC bụ nke kachasị njọ, ma ikike colloid nchebe bụ ike kachasị ike.
Otu esi ejiHEC?
agbakwunyere ozugbo na oge mmepụta
1. Tinye mmiri dị ọcha na nnukwu ịwụ nke nwere nnukwu mixer.
2. Malite na-akpali akpali na-aga n'ihu na obere ọsọ ma jiri nwayọọ nwayọọ gbanye hydroxyethyl cellulose n'ime ngwọta nke ọma.
3. Gaa n'ihu na-akpalite ruo mgbe etinyere ihe niile.
4. Mgbe ahụ, tinye onye na-ahụ maka antifungal, ihe mgbakwunye alkaline dị ka pigmenti, ihe enyemaka na-agbasa, mmiri amonia.
5. Nwuo ruo mgbe niile hydroxyethyl cellulose na-agbaze kpamkpam (viscosity nke ngwọta na-abawanye nke ọma) tupu ị gbakwunye ihe ndị ọzọ na usoro ahụ, na-egweri ruo mgbe ngwaahịa agwụla.
Oge nzipu: Dec-29-2022