Ọrụ na ntinye nke cellulose ether
Cellulose etherbụ ihe na-abụghị ionic semi-synthetic polymer, mmiri-soluble na ihe mgbaze abụọ, na ụlọ ọrụ dị iche iche kpatara site na ọrụ dị iche iche, dị ka na chemical ụlọ ihe, ọ nwere mmetụta mejupụtara: larịị ④ ihe nkiri na-akpụ ⑤ ihe nkedo; Na ụlọ ọrụ PVC, ọ bụ emulsifier, na-ekesa; Na ụlọ ọrụ na-emepụta ọgwụ, ọ bụ ụdị ihe nkedo na ngwa ngwa na-ahapụ ihe ọkpụkpụ, n'ihi na cellulose nwere mmetụta dị iche iche nke mejupụtara ya, ya mere ọ bụ ubi a na-ejikarị eme ihe. N'okpuru ebe a, m na-elekwasị anya na iji cellulose ether eme ihe dị iche iche nke ụlọ na ọrụ.
1, agba latex:
N'ahịrị agba latex, ịhọrọhydroxyethyl cellulose, n'ozuzu nkọwa nke viscosity bụ RT3000-50000cps, ọ kwekọrọ na HBR250 nkọwa, ntụaka onunu ogwu bụ n'ozuzu 1.5‰-2‰. Ọrụ bụ isi nke hydroxyethyl na agba latex bụ ịgbatị, gbochie gelation pigmenti, na-enye aka na mgbasa nke pigmenti, latex, nkwụsi ike, ma nwee ike melite viscosity nke akụrụngwa, na-enye aka na arụmọrụ larịị nke ihe owuwu: Hydroxyethyl cellulose dị mfe iji, ma mmiri oyi na mmiri ọkụ nwere ike ịgbaze, ma ọ dịghị emetụta uru PH. Enwere ike iji ya n'enweghị nsogbu n'etiti uru PI 2 na 12. Ụzọ eji eme ihe bụ ndị a:
I. tinye ozugbo:
Maka usoro a, ekwesịrị ịhọrọ hydroxyethyl cellulose na-egbu oge na oge mgbasa nke ihe karịrị nkeji 30. Usoro bụ dị ka ndị a: (1) inwe elu kwesịrị bee blender container quantitative mmiri dị ọcha (2) esịtidem ike nke ndị mmadụ malitere ala-ọsọ Ịgwakọta, hydroxyethyl edo nwayọọ nwayọọ n'otu oge na-esonyere na ngwọta nke (3) nọgide na-akpali ruo mgbe niile mmiri granular ihe (4) isonyere ndị ọzọ mgbakwunye na alkaline mgbakwunye (5) nwuo ruo mgbe kpamkpam etisasịwo niile hydroxyethyl, tinye ndị ọzọ components nke usoro, egweri na okokụre ngwaahịa.
ⅱ Ejiri nne mmanya:
Usoro a nwere ike ịhọrọ ngwa ngwa - cellulose soluble, ma nwee mildew - mmetụta akaebe. Uru nke usoro a bụ na ọ nwere mgbanwe dị ukwuu ma nwee ike itinye ya ozugbo na agba latex, usoro nkwadebe bụ otu nzọụkwụ ①-④.
ⅲ, ya na porridge maka ojiji:
Ebe ọ bụ na ihe mgbaze organic bụ ihe mgbaze na-adịghị mma (na-adịghị ike) maka hydroxyethyl, enwere ike iji ha dozie porridge. Ihe mgbaze ndị a na-ejikarị eme ihe bụ mmiri mmiri organic na ụdị agba agba, dị ka ethylene glycol, propylene glycol na ndị na-emepụta ihe nkiri (dị ka diethylene glycol butyl acetate), porridge hydroxyethyl cellulose nwere ike tinye ya na agba, mgbe agbakwunyere, nọgide na-akpali ruo mgbe kpamkpam etisasịwo.
2, na-ehichapụ mgbidi na putty:
Ka ọ dị ugbu a, China nọ n'ọtụtụ n'ime obodo mmiri na-eguzogide, iguzogide swab nke nchekwa gburugburu ebe obibi putty ejiriwo ndị mmadụ kpọrọ ihe, n'ime afọ ole na ole gara aga, n'ihi na ihe eji eme ụlọ gluu na-eme ka formaldehyde gas mebie ahụike mmadụ, ụlọ. A na-eme gluu nke mmanya polyvinyl na mmeghachi omume acetal formaldehyde. Ya mere, ndị mmadụ na-eji nwayọọ nwayọọ kpochapụ ihe a, na ngbanwe nke ihe a bụ cellulose ether usoro nke ngwaahịa, ya bụ, mmepe nke ihe nchebe gburugburu ebe obibi, cellulose bụ nanị ụdị ihe onwunwe ugbu a.
Na mmiri na-eguzogide putty na-ekewa n'ime akọrọ ntụ ntụ putty na putty mado ụdị abụọ, ụdị abụọ nke putty n'ozuzu na-ahọrọ gbanwetụrụ methyl cellulose na hydroxypropyl methyl ụdị abụọ, viscosity nkọwapụta bụ n'ozuzu na 3000-60000cps n'etiti ndị kasị kwesịrị ekwesị, na isi ọrụ nke. cellulose na putty bụ njigide mmiri, njikọ, mmanu na mmetụta ndị ọzọ.
N'ihi na usoro putty nke onye nrụpụta ọ bụla abụghị otu, ụfọdụ bụ calcium isi awọ, calcium ọkụ, ciment ọcha, ụfọdụ bụ gypsum ntụ ntụ, calcium isi awọ, calcium ìhè, wdg, ya mere nkọwapụta viscosity na infiltration ego nke cellulose nke abụọ formulas. abụghị otu, ọnụ ọgụgụ n'ozuzu nke ịgbakwunye bụ 2‰-3‰ ma ọ bụ karịa.
Na igbu mgbidi ga-agwụ ike na nwa ewu, mgbidi isi nwere ụfọdụ absorbent (brick mgbidi nke bibulous ọnụego bụ 13%, ihe bụ 3-5%), tinyere na evaporation nke n'èzí ụwa, otú ọ bụrụ na-agwụ ike na nwa. mmiri na-efunahụ ngwa ngwa, ga-eduga na mgbawa ma ọ bụ ihe omume dị ka pollen, nke mere na ike nke putty na-ada mbà, ya mere, mgbe ịbanye na cellulose ether ga-edozi nsogbu a. Ma àgwà nke ihe ndochi, karịsịa àgwà calcium isi awọ dịkwa oke mkpa. N'ihi nnukwu viscosity nke cellulose, ọ na-eme ka ọ dị elu nke putty, ma na-ezere ihe ngosi nke eruba na-ewu ụlọ, ọ na-enwekwa ntụsara ahụ ma na-azọpụta ọrụ mgbe ọ nwụsịrị.
Na ntụ ntụ ntụ, cellulose ether kwesịrị ịgbakwunye ya n'ụzọ kwesịrị ekwesị na ebe mmepụta ihe, mmepụta ya, ojiji dị mfe karị, ihe na-ejuputa ihe na ntụ ntụ inyeaka nwere ike jikọta ya nke ọma, ihe owuwu na-adaba adaba, nkesa mmiri na saịtị, ole na ole.
3, ngwa agha siri ike:
Na ihe ngwa agha, n'ezie nweta kacha ike, ga-eme ka ciment hydration mmeghachi omume kpamkpam, karịsịa n'oge okpomọkụ, na-ewu nke ihe ngwa agha mmiri ọnwụ kwa ngwa ngwa, kpamkpam hydrated jikoro na-agwọta mmiri, usoro a bụ n'efu nke mmiri akụ na mmiri. arụ ọrụ na-adịghị mma, isi ihe dị n'elu, mmiri na hydration ka na-adịghị kpamkpam, otú ahụ ụzọ isi dozie nsogbu a, Tinye asatọ mmiri na-ejigide mmadụ cellulose na ngwa agha ihe ịhọrọ hydroxypropyl methyl ma ọ bụ methyl cellulose, viscosity nkọwa na 20000- 60000cps n'etiti, tinye 2% -3%. Banyere, mmiri njigide ọnụego nwere ike mụbaa karịa 85%, na ngwa agha ihe eji usoro maka akọrọ ntụ ntụ evenly weere mgbe ọnụ n'ime mmiri nwere ike ịbụ.
4, agba gypsum, gypsum bonding, gypsum caulking:
Site na mmepe ngwa ngwa nke ụlọ ọrụ ihe owuwu, ọchịchọ ndị mmadụ na-achọ ihe ụlọ ọhụrụ na-arịwanye elu 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 na-emepụta ngwa ngwa. Ugbu a ngwaahịa gesso ndị nkịtị nwere stucco gesso, caking gesso, set gesso, tile caking agent na-echere.
Plaster plaster bụ ụdị dị mma n'ime mgbidi dị n'ime ụlọ na ihe mkpuchi ụlọ, ya na ya na-ehichapụ mgbidi ahụ dị nro ma dị nro, adịghị etinye ntụ ntụ na njikọ ntọala siri ike, ọ dịghị ihe na-agbawa agbawa, ma nwee ọrụ mgbochi ọkụ; Adhesive gypsum bụ ihe ọhụrụ ụdị ụlọ ọkụ osisi nrapado, gypsum dị ka isi ihe, gbakwunyere a dịgasị iche iche nke na-agbakwụnye ike ọnụ gị n'ụlọnga mere nke nrapado ihe, ọ na-adabara ụdị nile nke inorganic ụlọ mgbidi ihe n'etiti njikọ, na-adịghị egbu egbu. , enweghị ụtọ, mmalite ike ngwa ngwa ntọala, bonding bụ ụlọ ụlọ, ngọngọ ihe na-akwado ihe owuwu; Ihe na-ejuputa ihe nkedo gypsum bụ efere gypsum n'etiti ihe na-ejuputa oghere na mgbidi, ndochi mgbape.
Ngwaahịa gypsum ndị a nwere ọrụ dịgasị iche iche, na mgbakwunye na gypsum na ihe ndị yiri ya na-arụ ọrụ, isi okwu bụ ihe mgbakwunye cellulose ether agbakwunyere na-arụ ọrụ na-eduga. N'ihi na gesso kewara nwere enweghị mmiri gesso na pasent nke ọkara mmiri gesso, gesso dị iche iche dị iche na mmetụta nke ngwaahịa, na-abawanye oke, chebe mmiri, jiri nwayọọ nwayọọ na-ekpebi àgwà ụlọ gesso. The nkịtị nsogbu nke ihe ndị a bụ oghere drum cracking, mbụ ike na-adịghị ruo, iji dozie nsogbu a, bụ ịhọrọ ụdị cellulose na retarder compound were usoro nsogbu, na nke a, n'ozuzu oke nke methyl ma ọ bụ hydroxypropyl methyl. 30000-60000cps, na-agbakwunye ego bụ 1.5% - 2%. N'etiti, ihe a na-elekwasị anya nke cellulose bụ njide mmiri na mmanu mmanu ngwa ngwa.
Otú ọ dị, na nke a ịdabere na cellulose ether dị ka retarder bụghị ruo, ga-atụkwasịkwara citric acid retarder mgbe agwakọta ojiji agaghị emetụta mbụ ike.
Ọnụego njide mmiri n'ozuzu na-ezo aka na oke mmiri na-efunahụ na enweghị mmịnye mmiri dị na mpụga. Ọ bụrụ na mgbidi ahụ akpọnwụwo, isi ala na-amịkọrọ mmiri na evaporation sitere n'okike na-eme ka ihe ahụ na-efunahụ mmiri ngwa ngwa, a ga-enwekwa drum efu na ihe mgbagwoju anya.
Usoro eji eme ihe bụ ịgwakọta ntụ ntụ akọrọ, ma ọ bụrụ na nkwadebe nke ngwọta nwere ike na-ezo aka na usoro nkwadebe nke ngwọta.
5, ngwa mkpuchi mkpuchi
Ngwa agha mkpuchi okpomọkụ bụ ụdị ọhụrụ nke ihe mkpuchi mgbidi ime ụlọ dị n'ebe ugwu China. Ọ bụ ihe mgbidi na-emepụta site na ihe mkpuchi ọkụ, ngwa agha na ihe nkedo. N'ime ihe a, cellulose na-arụ ọrụ dị mkpa n'ịkọwa na ịba ụba ike. N'ozuzu, a na-ahọrọ methyl cellulose nwere viscosity dị elu (ihe dịka 10,000 CPS), na usoro ọgwụgwọ na-adịkarị n'etiti 2‰ na 3‰. A na-eji usoro ngwakọta ntụ ntụ akọrọ.
6, onye ọrụ interface
The interface gị n'ụlọnga bụ HPMC20000cps, na tile ihe nkedo bụ karịa 60000cps, na interface gị n'ụlọnga na-bụ-eji dị ka thickener, nke nwere ike melite tensile ike na akụ ike.
Oge nzipu: Jun-02-2022