Cellulose etherbụ polymer na-abụghị ionic semi-synthetic, nke bụ mmiri na-agbaze na ihe mgbaze. 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 ③ Nhazi ihe onwunwe ④ Ihe nkiri na-emepụta ihe 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. Ihe na-esonụ na-elekwasị anya na ojiji na ọrụ nke cellulose ether dị iche iche ihe ụlọ.
(1) Na agba latex:
I.Add ozugbo na mmepụta: usoro a kwesịrị ịhọrọ hydroxyethyl cellulose egbu oge ụdị, na hydroxyethyl cellulose na a mgbasa oge nke ihe karịrị 30 nkeji, ojiji usoro ndị a:
① Tinye ụfọdụ mmiri dị ọcha n'ime akpa nke nwere nnukwu igwe na-ekpo ọkụ
② Malite ịmalite na-aga n'ihu na obere ọsọ, ma n'otu oge ahụ jiri nwayọọ nwayọọ tinye hydroxyethyl na ngwọta nke ọma.
③Gaa n'ihu na-agwakọta ruo mgbe a na-etinye granules niile
④ Tinye mgbakwunye ndị ọzọ na ihe mgbakwunye bụ isi, wdg.
⑤ Kpoo ruo mgbe ndị otu hydroxyethyl niile gbazere, 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, 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'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. Akụ na ụba na arụ ọrụ adịghị mma. Isi ihe bụ na mmiri dị naanị n'elu, na hydration nke 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, 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 ịgwakọta ntụ ntụ akọrọ nke ọma ma wụsa ya na mmiri.
(4) Na plasta gypsum, gypsum jikọtara, gypsum caulking:
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 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 agbakwunyere dị n'etiti 1.5% na 2%, na-elekwasị anya nke cellulose bụ njide mmiri na retarding lubrication. 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
HọrọHPMC20000cps maka onye na-ahụ maka interface, họrọ 60000cps ma ọ bụ karịa maka nrapado 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: Eprel-25-2024