Ihe ndị bụ isi nke hydroxyethyl cellulose bụ na ọ na-agbaze na mmiri oyi na mmiri ọkụ, ọ nweghịkwa ihe eji eme ihe. Ọ nwere ogo nnọchi anya dị ukwuu, solubility na viscosity. 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 Nnukwu okpomọkụ na mmiri solubility: E jiri ya tụnyere methyl cellulose (MC), nke bụ naanị soluble na mmiri oyi, hydroxyethyl cellulose nwere ike igbari na mmiri ọkụ ma ọ bụ mmiri oyi. Ihe dị iche iche nke solubility na viscosity Njirimara, na gelation na-abụghị thermal.
② Nguzogide nnu: N'ihi ụdị nke na-abụghị ionic, ọ nwere ike ibikọ ọnụ na polymers ndị ọzọ na-edozi mmiri, surfactants na salts n'ọtụtụ dị iche iche. Ya mere, atụnyere ionic carboxymethyl cellulose (CMC), hydroxyethyl cellulose nwere mma nnu nguzogide.
③ Njide mmiri, nhazi ọkwa, imepụta ihe nkiri: ikike njide mmiri ya bụ okpukpu abụọ nke methyl cellulose, na-enwe usoro nhazi nke ọma na nhazi ihe nkiri mara mma, mbelata mmiri ozuzo, enweghị isi, nchebe colloid mmekọahụ.
Eji hydroxyethyl cellulose mee ihe
Hydroxyethyl cellulose bụ ngwaahịa na-abụghị ionic mmiri soluble cellulose ether, nke a na-ejikarị na mkpuchi ụlọ, mmanụ ala, polymerization, ọgwụ, ojiji kwa ụbọchị, akwụkwọ na ink, akwa, seramiki, ihe owuwu, ọrụ ugbo na ụlọ ọrụ ndị ọzọ. Ọ nwere ọrụ nke ịgbakọ, njikọta, emulsifying, ịgbasa na nkwụsi ike, ma nwee ike ijide 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. Otu n'ime cellulose ethers ngwa ngwa.
1 agba latex
Hydroxyethyl cellulose bụ ihe a na-ejikarị eme ihe na mkpuchi latex. Na mgbakwunye na akwa mkpuchi latex, ọ nwekwara ike emulsify, gbasaa, kwụsie ike na idowe mmiri. Ọ na-ji ịrịba ndim mmetụta, ezi agba mmepe, film-akpụ onwunwe 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 iji usoro ihe owuwu dị ka brushing, mkpuchi rola, na spraying. Ihe owuwu dị mma, ọ naghị adị mfe ntapu, sag na splash, yana ọkwa dị mma.
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 "ihe nkiri" nke ahụ, ezi urughuru size, edo urughuru udi, rụrụ ụdị, ezi fluidity, elu ngwaahịa nghọta na mfe nhazi. N'ihi na hydroxyethyl cellulose nwere ike igbari na mmiri oyi na mmiri ọkụ, ma ọ nweghị ebe okpomọkụ gelling, ọ dị mma maka mmeghachi omume polymerization dị iche iche.
Ihe dị mkpa anụ ahụ dị mkpa iji nyochaa àgwà nke onye na-ekesa bụ ihe mgbagwoju anya (ma ọ bụ interfacial), 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 hibere nwere ike nweta mmetụta zuru oke nke mmụta site na ike ibe ya na imeju adịghị ike mmadụ. Ngwaahịa resin mejupụtara ọ bụghị naanị nwere ezigbo mma, kamakwa ọ na-ebelata mfu ihe.
3 na-egwupụta mmanụ
N'ịgbapụta mmanụ na mmepụta ihe, a na-ejikarị hydroxyethyl cellulose viscosity dị ka viscosifier maka mmecha mmiri na imecha mmiri. A na-eji hydroxyethyl cellulose dị ala viscosity dị ka ihe na-ebelata mmiri mmiri. N'ihe dị iche iche apịtị chọrọ maka mkpọpu, mmecha, cimenting na fracturing arụmọrụ, hydroxyethyl cellulose na-eji dị ka thickener iji nweta ezi fluidity na nkwụsi ike nke apịtị. N'oge a na-egwupụta ihe, ọ nwere ike ime ka ájá na-ebu ike nke apịtị ahụ ma mee ka ndụ ọrụ nke ntanye ahụ dịkwuo ogologo. N'ime obere mmiri na-emecha ihe siri ike na mmiri cimenting, ihe ndị dị mma na-ebelata mmiri 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 kemịkalụ kwa ụbọchị
Hydroxyethylcellulose bụ ihe nkiri dị irè nke mbụ, ihe nkedo, onye na-ebu ibu, onye na-edozi ahụ na onye na-ekesa na shampoos, ntutu ntutu, neutralizers, conditioners na cosmetics; na ncha ntụ ntụ Ọ bụ ihe nrụgharị unyi. 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 ihe ncha nwere hydroxyethyl cellulose bụ na ọ nwere ike imeziwanye ire ụtọ na mercerization nke ákwà.
5 ije
Enwere ike iji hydroxyethyl cellulose na ngwaahịa ihe owuwu dị ka ngwakọta kọmpat, ngwa agha ọhụrụ, plasta gypsum ma ọ bụ ngwa agha ndị ọzọ, wdg, iji jide mmiri n'oge a na-ewu tupu ha edobe ma sie ike. Na mgbakwunye na imeziwanye njide mmiri nke ngwaahịa ụlọ, hydroxyethyl cellulose nwekwara ike ịgbatị mgbazi na oge oghere nke stucco ma ọ bụ mastic. Na-ebelata akpụkpọ anụ, mwepu na sagging. Nke a nwere ike imeziwanye arụmọrụ ihe owuwu, melite arụmọrụ ọrụ, chekwaa oge, ma n'otu oge ahụ na-abawanye ọnụego mmụba nke stucco, si otú a na-echekwa akụrụngwa.
6 ugbo
A na-eji hydroxyethyl cellulose mee ihe na emulsion pesticide na usoro nkwusioru dị ka ihe na-agba agba maka emulsion ma ọ bụ nkwụsịtụ. Ọ nwere ike ibelata mkpagharị nke onye na-ahụ maka ya ma mee ka ọ kwụsie ike na akwụkwọ osisi ahụ, si otú ahụ na-abawanye mmetụta nke ịgbasa foliar. Hydroxyethyl cellulose nwekwara ike iji dị ka onye na-emepụta ihe nkiri na mkpuchi mkpụrụ na ihe mkpuchi; dịka onye na-ekekọta ihe na-emepụta ihe nkiri na-emegharị akwụkwọ ụtaba.
7 Akwụkwọ na ink
Enwere ike iji hydroxyethyl cellulose mee ihe dị ka onye na-emepụta ihe na mpempe 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 elu ala dị ala na gloss siri ike karị, yana nwekwara ike ibelata ọnụ ahịa. Akwụkwọ nke nwere hydroxyethyl cellulose maka mbipụta 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 emepụta ịrapara.
8 akwa akwa
Enwere ike iji ya dị ka onye na-ekekọta ihe na-emepụta ihe na ntinye akwa na akwa akwa na agba latex; thickener maka nha ihe n'azụ kapeeti. Na eriri iko, a na-eji ya dị ka onye na-akpụzi ihe na ihe nkedo; na pulp akpụkpọ anụ, enwere ike iji ya mee ihe dị ka onye na-agbanwe agbanwe na ihe nkedo. Na-enye nnukwu viscosity dị iche iche maka mkpuchi ma ọ bụ nrapado ndị a, na-eme ka a na-edozi otu na ngwa ngwa nke mkpuchi na mma nke mbipụta.
9 ceramik
Ihe nkpuchi ike dị elu maka ịmepụta seramiki.
10 ihe ntacha eze
Enwere ike iji ya dị ka thickener n'ichepụta ihe ntacha eze.
Oge nzipu: Sep-24-2022