Cellulose ether bụ polymer na-abụghị ionic semi-synthetic polymer, nke bụ mmiri-soluble na ihe mgbaze-soluble. Ọ nwere mmetụta dị iche iche na ụlọ ọrụ dị iche iche. Dịka ọmụmaatụ, n'ime ihe eji arụ ọrụ kemịkalụ, ọ nwere mmetụta ndị a mejupụtara: ① mmiri na-ejide mmiri ② thickener ③ leveling property ④ ihe na-emepụta ihe nkiri ⑤ binder; na polyvinyl chloride ụlọ ọrụ, ọ bụ emulsifier na dispersant; na ụlọ ọrụ na-emepụta ọgwụ, ọ bụ ihe na-ekekọta na onye na-emepụta ihe Hapụ ihe ọkpụkpụ, wdg, n'ihi na cellulose nwere mmetụta dị iche iche nke mejupụtara ya, ya mere ubi ngwa ya bụkwa nke kachasị. Na-esote, m ga-elekwasị anya na ojiji na ọrụ nke cellulose ether na ihe nchebe gburugburu ebe obibi.
1. Na agba latex
N'ime ụlọ ọrụ agba latex, ịhọrọ hydroxyethyl cellulose, nkọwapụta n'ozuzu nke viscosity nhata bụ RT30000-50000cps, nke kwekọrọ na nkọwapụta nke HBR250, na ntinye ntụaka bụ n'ozuzu banyere 1.5‰-2‰. Isi ọrụ nke hydroxyethyl na agba latex bụ ịgbatị, gbochie gelation nke pigmenti, nyere aka mgbasa nke pigmenti, nkwụsi ike nke latex, na ịbawanye viscosity nke ihe ndị ahụ, nke na-enye aka n'ịkwalite arụmọrụ nke ihe owuwu ahụ: Hydroxyethyl cellulose dị mfe iji. Enwere ike ịgbaze ya na mmiri oyi na mmiri ọkụ, yana uru pH adịghị emetụta ya. Enwere ike iji ya n'enweghị nsogbu n'etiti uru PI 2 na 12. Ụzọ eji eme ihe bụ ndị a:
(1) Tinye ozugbo na mmepụta:
Maka usoro a, a ga-ahọrọ ụdị oge nke hydroxyethyl cellulose, na hydroxyethyl cellulose na oge mgbasa nke ihe karịrị nkeji iri atọ ga-eji. Usoro ndị a dị ka ndị a: ① Tinye ụfọdụ mmiri dị ọcha n'ime akpa nke nwere nnukwu ihe na-eme ka ọ dị elu ② Malite na-akpalite na-aga n'ihu na obere ọsọ, ma n'otu oge ahụ jiri nwayọọ nwayọọ tinye ìgwè hydroxyethyl n'ime ihe ngwọta nke ọma ③ Nọgide na-akpali ruo mgbe. A na-agbanye ihe niile granular ④ Tinye mgbakwunye ndị ọzọ na ihe mgbakwunye ndị bụ isi, wdg. agbazere, wee Tinye ihe ndị ọzọ na usoro ahụ ma gwerie ruo mgbe ngwaahịa agwụla.
(2) Kwadoro ya na mmanya nne maka ojiji emechaa:
Usoro a nwere ike ịhọrọ ụdị ngwa ngwa, ma nwee mmetụta mgbochi mildew cellulose. Uru nke usoro a bụ na ọ nwere mgbanwe dị ukwuu ma nwee ike itinye ya ozugbo na agba latex. Usoro nkwadebe bụ otu usoro ①-④.
(3), akpọnyere ya n'ime porridge maka iji emechaa:
Ebe ọ bụ na ihe ndị na-emepụta ihe na-emepụta ihe na-adịghị mma bụ ihe ngwọta na-adịghị mma (na-adịghị edozi) maka hydroxyethyl, ihe ndị a nwere ike iji mepụta porridge. Ihe mgbaze ndị a na-ejikarị eme ihe bụ mmiri mmiri organic n'ụdị agba agba, dị ka ethylene glycol, propylene glycol, na ndị na-emepụta ihe nkiri (dị ka diethylene glycol butyl acetate). Enwere ike ịgbakwunye porridge hydroxyethyl cellulose na agba. Gaa n'ihu na-akpali akpali ruo mgbe agbazere kpamkpam.
2. Na mgbidi scraping putty
Ka ọ dị ugbu a, n'ọtụtụ obodo dị na mba m, putty na-egbochi mmiri na nke na-eguzogide gburugburu ebe obibi enyi na enyi ejirila ndị mmadụ kpọrọ ihe. A na-emepụta ya site na mmeghachi omume acetal nke mmanya vinyl na formaldehyde. Ya mere, ndị mmadụ na-eji nwayọọ nwayọọ kpochapụ ihe a, a na-eji ngwaahịa cellulose ether eme ihe iji dochie ihe a. Nke ahụ bụ, maka mmepe nke ihe eji ewu ụlọ na gburugburu ebe obibi, cellulose bụ naanị ihe ugbu a.
N'ime mmiri na-eguzogide mmiri, a na-ekewa ya n'ime ụdị abụọ: akọrọ ntụ ntụ na-esi ísì ụtọ. N'ime ụdị putty abụọ a, methyl cellulose gbanwere na hydroxypropyl methyl kwesịrị ịhọrọ. Nkọwapụta viscosity bụ n'ozuzu n'etiti 30000-60000cps. Ọrụ bụ isi nke cellulose na putty bụ njide mmiri, njikọta na mmanu mmanu.
Ebe ọ bụ na putty usoro nke dị iche iche na-emepụta dị iche iche, ụfọdụ ndị isi awọ calcium, ìhè calcium, ọcha ciment, wdg, na ụfọdụ bụ gypsum ntụ ntụ, isi awọ calcium, ìhè calcium, wdg, otú nkọwa, viscosity na penetration nke cellulose na. usoro abụọ dịkwa iche iche. Ọnụ ego agbakwunyere bụ ihe dịka 2‰-3‰.
Na-ewu mgbidi scraping putty, ebe ọ bụ na isi elu nke mgbidi nwere ụfọdụ ogo nke mmiri absorption (ọnụego mmịpụta mmiri nke brik mgbidi bụ 13%, na mmiri absorption ọnụego nke ihe bụ 3-5%). jikọtara ya na evaporation nke ụwa dị n'èzí, ma ọ bụrụ na putty na-efunahụ mmiri ngwa ngwa , Ọ ga-eduga na mgbawa ma ọ bụ wepụ ntụ ntụ, nke ga-ebelata ike nke putty. Ya mere, ịgbakwunye cellulose ether ga-edozi nsogbu a. Ma àgwà nke ndochi, karịsịa àgwà calcium ash dịkwa oke mkpa. N'ihi nnukwu viscosity nke cellulose, a na-eme ka ihe na-egbuke egbuke nke putty dịkwuo mma, a na-ezerekwa ihe na-eme ka ọ dị njọ n'oge a na-ewu ụlọ, ọ na-adịkwa mma ma na-azọpụta ọrụ mgbe a kpochapụrụ ya.
Ọ ka mma ịgbakwunye cellulose ether na ntụ ntụ ntụ. Mmepụta na ojiji ya na-adaba adaba. Enwere ike ịgwakọta ihe ndochi na ihe mgbakwunye na ntụ ntụ akọrọ.
3. Ngwa ngwa ngwa
N'ime ngwa agha siri ike, iji nweta ike kachasị, ciment ga-abụ mmiri zuru oke. Karịsịa n'oge okpomọkụ na-ewu ụlọ, ihe mgbochi mmiri na-atụfu mmiri ngwa ngwa, a na-eji usoro nke hydration zuru ezu na-echekwa ma fesa mmiri. Akwụsị ihe onwunwe na arụ ọrụ na-adịghị mma, isi ihe bụ na mmiri dị naanị n'elu, na hydration nke dị n'ime ya ka na-ezughị ezu, ya mere, ngwọta maka nsogbu a bụ ịgbakwunye asatọ mmiri na-ejigide ihe na ngwa ngwa, n'ozuzu họrọ hydroxypropyl methyl. ma ọ bụ methyl Cellulose, nkọwapụta viscosity dị n'etiti 20000-60000cps, na mgbakwunye ego bụ 2%-3%. Enwere ike ịbawanye ọnụego njide mmiri karịa 85%. Usoro eji eme ihe na ngwa ngwa bụ ijikọta ntụ ntụ akọrọ nke ọma ma wụsa ya na mmiri.
4. Na plasta gypsum, bonding gypsum, caulking gypsum
Site na mmepe ngwa ngwa nke ụlọ ọrụ ihe owuwu, ọchịchọ ndị mmadụ maka ihe owuwu ụlọ ọhụrụ na-abawanye kwa ụbọchị. N'ihi mmụba nke ndị mmadụ na-amata na nchekwa gburugburu ebe obibi na ọganihu na-aga n'ihu nke ịrụ ọrụ nke ọma, ngwaahịa gypsum cimentity etolitela ngwa ngwa. Ka ọ dị ugbu a, ngwaahịa gypsum a na-ahụkarị bụ plasta gypsum, gypsum bonded, gypsum inlaid, na nrapado tile.
Plastering gypsum bụ ihe nkedo dị elu maka mgbidi dị n'ime na ụlọ elu. N'elu mgbidi e ji plasta na ya dị mma ma dị nro. Ihe nkwụnye ọkụ ọhụrụ nke ụlọ ọhụrụ bụ ihe na-egbuke egbuke nke gypsum dị ka ihe ndabere na ihe mgbakwunye dị iche iche. Ọ dabara maka njikọta n'etiti ihe mgbidi ụlọ inorganic dị iche iche. Ọ bụ ihe na-adịghị egbu egbu, enweghị isi, ike mmalite na ngwa ngwa ngwa ngwa, njikọ siri ike na njirimara ndị ọzọ, ọ bụ ihe na-akwado maka mgbidi ụlọ na ngọngọ ụlọ; gypsum caulking agent bụ ihe nkpuchi dị n'etiti mbadamba gypsum na ihe ndozi maka mgbidi na mgbawa.
Ngwaahịa gypsum ndị a nwere usoro ọrụ dị iche iche. Na mgbakwunye na ọrụ gypsum na ihe ndị yiri ya, isi okwu bụ na ihe mgbakwunye cellulose ether agbakwunyere na-arụ ọrụ na-eduga. Ebe ọ bụ na gypsum na-ekewa n'ime gypsum anhydrous na hemihydrate gypsum, gypsum dị iche iche nwere mmetụta dị iche iche na-arụ ọrụ nke ngwaahịa ahụ, ya mere mgbochi, njide mmiri na retardation na-ekpebi àgwà nke ihe owuwu ụlọ gypsum. Nsogbu nkịtị nke ihe ndị a bụ oghere na mgbawa, na ike mbụ enweghị ike iru. Iji dozie nsogbu a, ọ bụ ịhọrọ ụdị cellulose na usoro eji eme ihe nke retarder. Na nke a, a na-ahọrọkarị methyl ma ọ bụ hydroxypropyl methyl 30000. -60000cps, ego mgbakwunye bụ 1.5% -2%. N'ime ha, cellulose na-elekwasị anya na njide mmiri na nkwụsị mmanụ.
Otú ọ dị, ọ gaghị ekwe omume ịdabere na cellulose ether dị ka onye na-azụ azụ, ọ dịkwa mkpa ịgbakwunye citric acid retarder iji jikọta ma jiri ya mee ihe na-enweghị emetụta ike mbụ.
Njide mmiri n'ozuzu na-ezo aka na mmiri ole a ga-efunahụ n'onwe ya na-enweghị mmịnye mmiri dị na mpụga. Ọ bụrụ na mgbidi ahụ dị oke nkụ, mmịnye mmiri na ikuku ikuku dị n'elu ala ga-eme ka ihe ahụ na-efunahụ mmiri ngwa ngwa, oghere na mgbawa ga-emekwa.
A na-ejikọta usoro eji eme ihe na ntụ ntụ. Ọ bụrụ na ị kwadebere ngwọta, biko rụtụ aka na usoro nkwadebe nke ngwọta.
5. Ngwa mkpuchi mkpuchi thermal
Mgbochi mkpuchi bụ ụdị ọhụrụ nke ihe mkpuchi mgbidi dị n'ime ime na mpaghara ugwu. Ọ bụ ihe mgbidi na-emepụta site na ihe mkpuchi, ngwa agha na ihe nkedo. N'ime ihe a, cellulose na-arụ ọrụ dị mkpa n'ịkọwa na ịba ụba ike. N'ozuzu, họrọ methyl cellulose na elu viscosity (banyere 10000eps), usoro onunu ogwu bụ n'ozuzu n'etiti 2 ‰-3‰), na usoro ojiji bụ akọrọ ntụ ntụ ịgwakọta.
6. Ihe ntanetị
Họrọ HPNC 20000cps maka onye na-ahụ maka interface, họrọ 60000cps ma ọ bụ karịa maka nrapado taịlị, ma lekwasị anya na thickener na onye na-ahụ maka interface, nke nwere ike imeziwanye ike ike na mgbochi akụ.
Oge nzipu: Feb-17-2023