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'ihe eji arụ ụlọ kemịkalụ, ọ nwere mmetụta ndị a jikọtara ọnụ:
① Onye na-ejigide mmiri
②Ọkpụrụkpụ
③Ịkwalite ọkwa
④ Nhazi ihe nkiri
⑤ Ihe nkpuchi
Na ụlọ ọrụ polyvinyl chloride, ọ bụ emulsifier na onye na-ekesa; na ụlọ ọrụ na-emepụta ọgwụ, ọ bụ ihe nkedo na ngwa ngwa na-achịkwa ihe ntọhapụ, wdg N'ihi na cellulose nwere mmetụta dị iche iche nke mgbagwoju anya, ngwa ya Akụ ahụ bụkwa nke kachasị ukwuu. Na-esote, m ga-elekwasị anya na iji na ọrụ nke cellulose ether dị iche iche ihe ụlọ.
1. Na latex agba ụlọ ọrụ, họrọ hydroxyethyl cellulose, n'ozuzu nkọwapụta nke hà viscosity bụ RT30000-50000cps, nke kwekọrọ na nkọwapụta nke HBR250, na ntụaka onunu ogwu 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 maka ịrụ ọrụ larịị nke ihe owuwu ahụ. : Hydroxyethyl cellulose dị mfe iji. Enwere ike ịgbaze ya na mmiri oyi ma ọ bụ 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:
I. Tinye ozugbo na mmepụta: Maka usoro a, a ga-ahọrọ ụdị oge na-egbu oge hydroxyethyl cellulose, na hydroxyethyl cellulose na oge mgbasa nke ihe karịrị 30 nkeji na-eji. Ọnụ mmiri dị ọcha nke ukwuu n'ime ọnụ ② Malite na-akpalite na obere ọsọ na-aga n'ihu, ma n'otu oge ahụ jiri nwayọọ nwayọọ tinye hydroxyethyl n'ime ngwọta nke ọma. gbazere kpamkpam, wee tinye ihe ndị ọzọ na usoro ahụ, na-egweri ruo mgbe ngwaahịa agwụla.
Ⅱ Ejiri nne mmanya na-aba n'anya mee ihe mgbe e mesịrị: Usoro a nwere ike ịhọrọ cellulose ozugbo, nke nwere mmetụta mgbochi mildew. 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.
Ⅲ. Kwadebe porridge maka ojiji ọzọ: 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 mgbaze ndị a nwere ike iji dozie 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, ihe nchekwa gburugburu ebe obibi nke na-egbochi mmiri na-eguzogide ọgwụ n'ọtụtụ obodo dị na mba m ka ndị mmadụ na-eji ya kpọrọ ihe. Dị mma, a na-eme gluu ihe owuwu site na acetalizing polyvinyl alcohol 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 ihe: N'ime ngwa agha siri ike, iji nweta ike kachasị ike, 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. Ụzọ nke mbụ bụ ime ka mmiri ghara imebi ihe na ịrụ ọrụ na-adịghị mma. Isi ihe bụ na mmiri dị naanị n'elu, na hydration dị n'ime ka ezughị ezu. Ya mere, ihe ngwọta maka nsogbu a bụ ịgbakwụnye mmiri asatọ na-eme ka mmiri dị na ngwa ngwa. N'ozuzu, a na-ahọrọ 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, gypsum bonding, na caulking gypsum: Site na mmepe ngwa ngwa nke ụlọ ọrụ ihe owuwu, ọchịchọ ndị mmadụ na-achọ ihe ụlọ ọhụrụ na-abawanye. N'ihi mmụba nke ndị mmadụ na-amata na nchekwa gburugburu ebe obibi na ọganihu na-aga n'ihu nke ịrụ ọrụ ihe owuwu, ihe simenti na-emepụta ngwaahịa Gypsum 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 dị mma 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. N'akụkụ 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. Mgbochi mkpuchi mkpuchi mkpuchi mkpuchi bụ ụdị ọhụrụ nke ihe mkpuchi mgbidi 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. Onye na-ahụ maka ntanetị Họrọ HPNC 20,000 cps dị ka onye na-ahụ maka interface, họrọ 60,000 cps ma ọ bụ karịa dị ka ihe ntanye tile, ma lekwasị anya na onye na-eme ka ọ dị arọ na onye na-ahụ maka interface, nke nwere ike imeziwanye ike nkwụsị na ike mgbochi akụ. A na-eji ya dị ka ihe na-ejigide mmiri na njikọ nke taịlị iji gbochie taịl nile ịza mmiri ngwa ngwa ma daa.
Oge nzipu: Feb-18-2023