Hydroxyethyl cellulose (HEC) bụ ọcha ma ọ bụ ìhè edo edo, enweghị isi, fibrous na-adịghị egbu egbu ma ọ bụ powdery siri ike kwadebere site na etherification nke alkaline cellulose na ethylene oxide (ma ọ bụ chlorohydrin).Nonionic soluble cellulose ethers.N'ihi na HEC nwere ezigbo ihe dị ka ndim, nkwusioru, ịgbasa, emulsifying, bonding, film-akpụkpọ, na-echebe mmiri na inye nchebe colloid, ọ na-eji ọtụtụ ebe na-elekọta anụ ahụ, mmanụ nchoputa, mkpuchi, ewu, ọgwụ na nri, textiles. akwụkwọ na polymers.Polymerization na mpaghara ndị ọzọ.40 ntupu sieving ọnụego ≥ 99%;
Njirimara ọdịdị: na-acha ọcha na-acha odo odo fibrous ma ọ bụ ntụ ntụ siri ike, na-adịghị egbu egbu, na-esi ísì ụtọ, na-agbaze ngwa ngwa na mmiri.Na-adịghị soluble n'ozuzu organic solvents.
Hydroxyethyl cellulose
Na nso nke PH uru nke 2-12, viscosity mgbanwe dị ntakịrị, ma viscosity na-ebelata karịa nke a.Ọ nwere ihe onwunwe nke ndim, nkwụsịtụ, njikọ, emulsifying, dispersing, na-ejigide mmiri na ichebe colloid.Enwere ike ịkwadebe ngwọta nke ọkwa viscosity dị iche iche.Ọ bụ ejighị n'aka n'okpuru nkịtị okpomọkụ na nrụgide, na-ezere iru mmiri, okpomọkụ na elu okpomọkụ, na nwere Wezuga ezi nnu solubility maka dielectrics, na aqueous ngwọta na-ekwe ka ịnwe elu ịta nke salts na kwụsiri ike.
Ngwongwo dị mkpa: Dị ka ihe na-abụghị ionic surfactant, hydroxyethyl cellulose nwere ihe ndị a na mgbakwunye na ịgbatị, nkwụsịtụ, njikọ, flotation, imepụta ihe nkiri, ịgbasa, 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, na-eme ka ọ nwee ọdịdị dị iche iche nke solubility na viscosity, na gelation na-abụghị thermal;
2. Ọ bụ ndị na-abụghị ionic na ike ibikọ ọnụ na a dịgasị iche iche nke ọzọ mmiri-soluble polymers, surfactants na salts, na bụ magburu onwe colloidal thickener nwere 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. N'iji ya tụnyere methyl cellulose a ma ama na hydroxypropyl methyl cellulose, ike mgbasa nke HEC bụ nke kachasị njọ, ma colloid nchebe nwere ike kachasị ike.
Mpịakọta mpaghara ngwa
A na-eji ya dị ka nrapado, surfactant, onye na-echebe colloid, dispersant, emulsifier na dispersion stabilizer.Ọ nwere ngwa dị iche iche na mkpuchi, inks, eriri, ịcha akwa, ịde akwụkwọ, ihe ịchọ mma, ọgwụ pesticides, nhazi ịnweta, mmịpụta mmanụ na ọgwụ.
1. A na-ejikarị eme ihe dị ka onye na-eme ka ọ dị arọ, onye na-ahụ maka nchebe, nrapado, stabilizer na mgbakwunye maka ịkwadebe emulsion, gel, ude, ude mmiri, onye na-ehichapụ anya, suppository na mbadamba nkume, nke a na-ejikwa dị ka gel hydrophilic, ihe ọkpụkpụ, nkwadebe nke ọkpụkpụ kwadoro-ntọhapụ nkwadebe. , a pụkwara iji ya mee ihe dị ka ihe nkwụnye na nri.
2. Ọ na-eji dị ka sizing gị n'ụlọnga na textile ụlọ ọrụ, bonding, ndim, emulsifying, stabilizing na ndị ọzọ auxiliaries na ngwá electronic na ìhè ụlọ ọrụ ndi.
3. A na-eji dị ka thickener na filtrate reducer maka mmiri na-egwupụta mmiri na mmiri na-agwụcha, ma nwee mmetụta siri ike na-ekpo ọkụ na mmiri mmiri nnu.Enwere ike iji ya dị ka onye na-ahụ maka nchịkwa mmiri na-efu maka ciment nke ọma mmanụ.Enwere ike ijikọ ya na ion metal polyvalent iji mepụta gels.
4. A na-eji ngwaahịa a dị ka onye na-ekesa maka mmiri na-agbaji gel na-agbaji mmiri, polystyrene na polyvinyl chloride na mmepụta mmanụ na-agbaji.Enwere ike iji ya dị ka emulsion thickener na ụlọ ọrụ agba, iru mmiri na-eche ihu na ụlọ ọrụ eletrọnịkị, onye na-egbochi ciment coagulation na onye na-ejigide mmiri na ụlọ ọrụ ihe owuwu.Adhesives glazing na ntanya eze maka ụlọ ọrụ seramiiki.A na-ejikwa ya n'ọtụtụ ebe na-ebi akwụkwọ na agba, textile, ide akwụkwọ, ọgwụ, ịdị ọcha, nri, sịga, pesticides na ihe ndị na-emenyụ ọkụ.
5. A na-eji ya dị ka surfactant, onye na-echebe colloid, emulsion stabilizer maka vinyl chloride, vinyl acetate na emulsions ndị ọzọ, yana latex tackifier, dispersant, dispersion stabilizer, wdg. Ejiri ya na mkpuchi, eriri, ịcha akwa, akwụkwọ, ihe ịchọ mma, ọgwụ, ọgwụ pesticides, wdg. Ọ nwekwara ọtụtụ ihe eji eme mmanụ na ụlọ ọrụ igwe.
6. Hydroxyethyl cellulose nwere elu ọrụ, ndim, suspending, ejikọta, emulsifying, film-akpụ, dispersing, mmiri njigide na-enye nchebe na ọgwụ siri ike na mmiri mmiri preparations.
7. A na-eji ya dị ka onye na-ekesa maka nrigbu nke mmiri mmiri na-agbaji mmanụ mmanụ, polyvinyl chloride na polystyrene.Enwere ike iji ya dị ka emulsion thickener na ụlọ ọrụ agba, ciment coagulation inhibitor na onye na-ejide mmiri na ụlọ ọrụ ihe owuwu, ihe na-egbuke egbuke na nrapado eze na ụlọ ọrụ seramiiki.A na-ejikwa ya n'ọtụtụ ebe na ibi akwụkwọ na ịcha akwa, textile, ide akwụkwọ, ọgwụ, ịdị ọcha, nri, sịga na pesticides na ubi mmepụta ihe ndị ọzọ.
Mpịakọta 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 ọdịdị dị iche iche nke solubility na viscosity, na gelation na-abụghị thermal;
2. Onye na-abụghị ionic n'onwe ya nwere ike ibikọ ọnụ na ọtụtụ ihe ndị ọzọ na-eme ka mmiri na-eme ka mmiri na-edozi mmiri, ndị surfactants na salts, na ọ bụ ezigbo colloidal thickener nwere ihe ngwọta dielectric dị elu;
3. Ikike njide mmiri dị okpukpu abụọ karịa nke methyl cellulose, ọ na-enwekwa usoro nchịkwa ka mma;
4. N'iji ya tụnyere methyl cellulose a ma ama na hydroxypropyl methyl cellulose, ike mgbasa nke HEC bụ nke kachasị njọ, ma colloid nchebe nwere ike kachasị ike.
Otu esi apịaji
Soro ozugbo na mmepụta
1. Tinye mmiri dị ọcha na nnukwu ịwụ nke nwere nnukwu igwe na-ekpo ọkụ.
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-akpali akpali 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.
Ọrụ nke hydroxyethyl cellulose na chemical mejupụtara nke ntecha?A na-ekewa ogige polymer mmiri na-agbaze mmiri nke a na-eji eme ihe ịchọ mma n'ime ụzọ abụọ: eke na sịntetik.
Ogige polymer na-agbaze mmiri sitere n'okike na-agụnye: starch, osisi chịngọm, gelatin anụmanụ, wdg, ma àgwà adịghị agbanwe agbanwe, na-emetụta ngwa ngwa ihu igwe, gburugburu ebe obibi, obere mkpụrụ, na nje bacteria na ebu na-emebi ngwa ngwa.
Ogige polymer nke na-eme ka mmiri sịntetik na-agụnye mmanya polyvinyl, polyvinylpyrrolidone, wdg, nke nwere ihe ndị kwụsiri ike, mgbakasị ahụ dị ala na ọnụ ala dị ala, ya mere, ha edochila ogige polymer mmiri na-edozi mmiri ma ghọọ isi iyi nke colloid raw material.
A na-ekewakwa ya n'ime ihe ndị na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-eme ka mmiri na-eme ka mmiri na-eme ka ọ bụrụ ihe na-edozi ahụ.
A na-ejikarị ogige polymer soluble nke mmiri sịntetịp eme ihe: methyl cellulose, ethyl cellulose, sodium carboxymethyl cellulose, hydroxyethyl cellulose, na guar gum na ihe ndị sitere na ya.
A na-ejikarị ogige polymer soluble mmiri sịntetị eme ihe: mmanya polyvinyl, polyvinylpyrrolidone, acrylic acid polymer, wdg.
A na-eji ihe ndị a eme ihe na ịchọ mma dị ka adhesives, thickeners, ndị na-eme ihe nkiri, na emulsion stabilizers.
Oge nzipu: Nov-11-2022