Arụ ọrụ na ngwa nke hydroxyethyl cellulose

Njirimara nke Hydroxyethyl Cellulose

Isi ihe dị na hydroxyethyl cellulose bụ na ọ na-agbaze na mmiri oyi na mmiri ọkụ, ọ nweghịkwa ihe gel. Ọ nwere ogo ngbanwe dị iche iche, solubility na viscosity, ezigbo nkwụsi ike nke okpomọkụ (n'okpuru 140 Celsius C), na anaghị emepụta gelatin n'okpuru ọnọdụ acidic. mmiri ozuzo. Hydroxyethyl cellulose ngwọta nwere ike ịmepụta ihe nkiri transperent, ma nwee njirimara nke ụdị na-abụghị ionic nke na-adịghị emekọrịta ihe na ion ma nwee ezigbo ndakọrịta.

① Ọkụ dị elu na mmiri solubility: Tụnyere methyl cellulose (MC) nke bụ naanị soluble na mmiri oyi, hydroxyethyl cellulose nwere ike igbari na mmiri ọkụ ma ọ bụ mmiri oyi, ma ọ dịghị ebili na elu okpomọkụ ma ọ bụ esi, na-eme ka ọ nwee nnukwu nso nke. solubility na viscosity e ji mara, na-abụghị thermogelling Njirimara.

② Nkwenye nnu: Ebe ọ bụ na ọ bụghị ionic, ọ nwere ike ibikọ ọnụ na ọtụtụ polymers ndị ọzọ na-edozi mmiri, surfactants, na salts. Ya mere, atụnyere ionic carboxymethyl cellulose (CMC), hydroxyethyl cellulose nwere mma nnu nguzogide.

③ Njide mmiri, nhazi ọkwa, na ihe ndị na-emepụta ihe nkiri: ikike ijide mmiri ya dị okpukpu abụọ karịa nke methyl cellulose, ọ nwekwara usoro nhazi nke ọma, ihe ndị na-emepụta ihe nkiri mara mma, njikwa mmiri na-ekpo ọkụ, enweghị ike, na nchebe colloid mmekọahụ.

A na-eji hydroxyethyl cellulose eme ihe

Hydroxyethyl cellulose bụ ngwaahịa cellulose ether na-abụghị ionic mmiri na-agbaze, nke a na-ejikarị na mkpuchi ụlọ, mmanụ ala, polymer polymerization, ọgwụ, ojiji kwa ụbọchị, akwụkwọ na ink, ákwà, seramiki, ihe owuwu, ọrụ ugbo na ụlọ ọrụ ndị ọzọ. Ọ nwere ọrụ nke ịgbakọ, njikọta, emulsifying, ịgbasa na nkwụsi ike, ma nwee ike idobe mmiri, mepụta ihe nkiri ma nye mmetụta colloid nchebe. Ọ na-edozi ngwa ngwa na mmiri oyi na mmiri ọkụ, ma nwee ike inye ngwọta na nnukwu viscosity. Ọ bụ mmepe na afọ ndị na-adịbeghị anya. Otu n'ime cellulose ethers ngwa ngwa.

1. Agba latex

Hydroxyethyl cellulose bụ ihe a na-ejikarị eme ihe na agba latex. Na mgbakwunye na ịgbatị agba latex, ọ nwekwara ike emulsify, gbasasịa, kwụsie ike na idowe mmiri. Ọ na-ji ịrịba ndim mmetụta, ezi agba mmepe, film akpụ na nchekwa kwụsie ike. Hydroxyethyl cellulose bụ ihe nrụpụta cellulose na-abụghị ionic nke enwere ike iji na oke pH. Ọ nwere ezigbo ndakọrịta na ihe ndị ọzọ dị na akụrụngwa (dịka pigmenti, ihe mgbakwunye, ihe ncha na nnu). Ihe mkpuchi mkpuchi na hydroxyethyl cellulose nwere ezigbo rheology na ọnụ ọgụgụ shea dị iche iche ma bụrụ pseudoplastic. Enwere ike ịnakwere usoro ihe owuwu dị ka mkpuchi ahịhịa, mkpuchi mkpuchi na mkpuchi ịgba. Ihe owuwu mara mma, ọ naghị adị mfe ịsacha, sag na splash, yana ezigbo nhazi ihe.

2. Polymerization

Hydroxyethyl cellulose nwere ọrụ nke ịgbasa, emulsifying, suspending na stabilizing na polymerization ma ọ bụ copolymerization components nke sịntetik resins, na ike ga-eji dị ka ihe nchebe colloid. Ọ na-ji ike dispersing ike, mkpa urughuru "ihe nkiri", ezi urughuru size, edo urughuru udi, rụrụ ụdị, ezi fluidity, elu ngwaahịa nghọta na mfe nhazi. N'ihi na hydroxyethyl cellulose nwere ike gbazere na mmiri oyi na mmiri ọkụ, ma ọ nweghị ebe okpomọkụ gelation, ọ dị mma maka mmeghachi omume polymerization dị iche iche.

Ihe dị mkpa anụ ahụ dị mkpa iji nyochaa àgwà nke dispersant bụ elu (ma ọ bụ interfacial) esemokwu, ike interfacial na gelation okpomọkụ nke ngwọta mmiri ya. Njirimara ndị a nke hydroxyethyl cellulose dị mma maka polymerization ma ọ bụ copolymerization nke resin sịntetik. Hydroxyethyl cellulose nwere ezigbo ndakọrịta na ndị ọzọ cellulose ethers mmiri soluble na PVA. Usoro ihe mejupụtara nke a na-etolite nwere ike nweta mmetụta zuru oke nke mmụta site na ibe ya. Ngwaahịa resin mere mgbe emechara ọ bụghị naanị na ọ nwere ezigbo mma, kamakwa ọ na-ebelata ihe onwunwe.

3. Ịgbapu mmanụ

Na mkpọpu mmanụ na mmepụta, nnukwu viscosity hydroxyethyl cellulose na-bụ nke a na-eji dị ka thickener maka mmecha mmiri mmiri na finishing mmiri. A na-eji hydroxyethyl cellulose dị ala viscosity dị ka ihe na-ebelata mmiri mmiri. Na apịtị dị iche iche achọrọ maka ịkụ ala, mmecha nke ọma, ciment ciment na arụ ọrụ mgbawa, a na-eji hydroxyethyl cellulose mee ihe dị ka ihe na-esi ísì ụtọ iji nweta ezigbo mmiri na nkwụsi ike nke apịtị. N'oge a na-egwupụta ihe, ọ nwere ike imeziwanye ikike ibu ájá nke ájá ahụ ma mee ka ndụ ọrụ nke ntanye ahụ dịkwuo ogologo. N'ime obere oge ngwụcha siri ike na mmiri cimenting, oke mmiri na-ebelata arụmọrụ nke hydroxyethyl cellulose nwere ike igbochi nnukwu mmiri ịbanye n'ime akwa mmanụ site na apịtị, ma nwee ike melite ikike mmepụta nke oyi akwa mmanụ.

4. Chemicals kwa ụbọchị

Hydroxyethyl cellulose bụ onye na-emepụta ihe nkiri na-arụ ọrụ nke ọma, onye na-ekekọta ihe, onye na-ekpo ọkụ, onye na-edozi ahụ na onye na-ekesa na shampoos, ntutu ntutu, neutralizers, ntutu isi na ihe ntecha; na-asa ntụ ntụ Ọ bụ ihe na-eme ka ala redeposition. Hydroxyethyl cellulose na-agbaze ngwa ngwa na oke okpomọkụ, nke nwere ike ime ka usoro mmepụta ahụ dịkwuo ngwa ma melite mmepụta mmepụta ihe. Ihe doro anya nke ncha nwere hydroxyethyl cellulose bụ na ọ nwere ike imeziwanye ire ụtọ na silk nke ákwà ahụ.

5. Mwube

Enwere ike iji hydroxyethyl cellulose na ngwaahịa ihe owuwu dị ka ngwakọta kọmpat, ngwa ngwa ọhụrụ, plasta gypsum ma ọ bụ simenti ndị ọzọ, wdg, iji jide mmiri n'oge a na-ewu tupu ha edozi ma sie ike. Na mgbakwunye na imeziwanye njide mmiri nke ngwaahịa ụlọ, hydroxyethyl cellulose na-agbatịkwa mmezi na oge oghere nke plasta ma ọ bụ mastic. Nwere ike ibelata skinning, mwụda na sagging. N'ihi ya, a pụrụ imeziwanye ihe owuwu ihe owuwu ahụ, ịrụ ọrụ nke ọma na-arụ ọrụ, na-echekwa oge. N'otu oge ahụ, enwere ike ịkwalite ọnụego mgbasawanye ikike nke stucco, si otú a na-echekwa akụrụngwa.

6. Agriculture

A na-eji hydroxyethyl cellulose mee ihe n'ichepụta emulsions na nkwusioru pesticide, dị ka ihe na-agba agba maka emulsions ma ọ bụ nkwụsịtụ. Ọ nwere ike ibelata mkpagharị nke kemịkalụ wee mee ka ọ kwụsie ike na akwụkwọ osisi, si otú ahụ na-abawanye mmetụta nke ịgbasa foliar. A pụkwara iji hydroxyethyl cellulose mee ihe dị ka onye na-emepụta ihe nkiri na ihe mkpuchi mkpụrụ; dịka onye na-ekekọta ihe na-emepụta ihe nkiri na-emegharị akwụkwọ ụtaba.

7. Ime akwụkwọ na ibipụta ink

Enwere ike iji hydroxyethyl cellulose mee ihe dị ka onye na-emepụta ihe maka akwụkwọ na bọọdụ yana dị ka ihe na-eme ka ọ sie ike ma na-akwụsịtụ maka inks dabeere na mmiri. N'ime usoro nhazi akwụkwọ, ihe ndị dị elu nke hydroxyethyl cellulose gụnyere ndakọrịta na ọtụtụ goms, resins na inorganic salts, obere ụfụfụ, obere ikuku oxygen na ikike ịmepụta ihe nkiri dị mma. Ihe nkiri ahụ nwere ikike dị ala dị ala na nnukwu gloss, nke nwekwara ike ibelata ọnụ ahịa. Akwụkwọ nke nwere hydroxyethyl cellulose, nke enwere ike iji maka ibipụta foto dị elu. N'ịmepụta ink dabeere na mmiri, ink nke mmiri na-agbanye na hydroxyethyl cellulose na-akpọnwụ ngwa ngwa, na-enwe mgbasawanye agba nke ọma, ọ dịghịkwa eme ka ịrapagidesi ike.

8. Akpụkpọ anụ

Enwere ike iji ya dị ka onye na-ekekọta ihe na-emepụta ihe na ntinye akwa na akwa akwa na agba latex; dị ka thickener maka sizing ihe na azụ nke kapeeti. Na eriri iko, a na-eji ya dị ka onye na-emepụta ihe na ihe nkedo; na akpụkpọ anụ akpụkpọ anụ, enwere ike iji ya mee ihe dị ka onye na-agbanwe agbanwe na ihe nkedo. Nye nnukwu viscosity dị iche iche maka mkpuchi ma ọ bụ nrapado ndị a, mee ka mkpuchi ahụ dịkwuo otu na ngwa ngwa, ma melite nchapụta nke mbipụta na ịcha.

9. Ceramik

Enwere ike iji mepụta ihe eji eme ihe dị elu maka seramiki.

10. Ihe ntacha eze

Enwere ike iji ya dị ka thickener na imepụta ihe ntacha eze.