Cellulose ether na ihe nchebe gburugburu ebe obibi

Ọrụ na ntinye nke cellulose ether na ihe nchebe gburugburu ebe obibi

Cellulose etherbụ ihe na-abụghị ionic semi-synthetic polymer, mmiri-soluble na mgbaze abụọ, na dị iche iche ụlọ ọrụ mere site na ọrụ dị iche iche, dị ka kemịkalụ ụlọ ihe, ọ nwere mmetụta mejupụtara:

① onye na-ejigide mmiri

② onye na-eme ihe na-eme ka ọ dị arọ

③ ọkwa ọkwa

④ imepụta ihe nkiri

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 n'iji cellulose ether eme ihe na ihe nchebe gburugburu ebe obibi na ọrụ.

1. agba latex

N'ahịrị agba latex, ịhọrọ hydroxyethyl cellulose, nkọwapụta n'ozuzu nke viscosity bụ RT3000-50000cps, usoro ntụaka 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, enwere ike gbazee na mmiri oyi na mmiri ọkụ, yana uru PH adịghị emetụta, enwere ike iji ya n'etiti PH uru 2 na 12, iji ụzọ atọ ndị a:

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I. tinye ozugbo:

N'ihi na usoro a, hydroxyethyl cellulose-egbu oge ụdị - hydroxyethyl cellulose na mgbasa oge nke ihe karịrị 30 nkeji kwesịrị họrọ. Usoro bụ dị ka ndị a: (1) inwe elu kwesịrị bee blender akpa na quantitative mmiri dị ọcha (2) ndị mmadụ malitere iji nwayọọ edemede nọgidere, n'otu oge ahụ nwayọọ nwayọọ tinye hydroxyethyl evenly na ngwọta nke (3) nọgide na-akpali ruo mgbe niile. mmiri granular ihe (4) iji sonyere ndị ọzọ mgbakwunye na alkaline mgbakwunye (5) nwuo ruo mgbe kpamkpam etisasịwo niile hydroxyethyl, tinye ndị ọzọ components nke usoro, egweri na okokụre ngwaahịa.

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ⅱ Ejiri nne mmanya:

Usoro a nwere ike ịhọrọ ngwa ngwa - cellulose soluble, ma nwee mildew - mmetụta akaebe. Uru nke usoro a bụ inwe nnukwu mgbanwe, nwere ike isonyere emulsioni agba ozugbo na, mee ka usoro dị ka ①-④ nzọụkwụ bụ otu.

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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. scraping mgbidi 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 njide mmiri, njikọ, mmanu, wdg.

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.

3. ngwa agha ihe

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 adịghị mma, isi ihe dị n'elu, mmiri na hydration ka na-adịghị kpamkpam, ya mere ụzọ isi dozie nsogbu a, Na ngwa ngwa ihe n'ozuzu na-ahọrọ ịgbakwunye hydroxypropyl methyl cellulose ma ọ bụ methyl cellulose, viscosity nkọwa n'etiti 20000-60000cps, na-agbakwụnye ego. nke 2‰-3‰ ma ọ bụ karịa, ọnụ ọgụgụ njide mmiri nwere ike ịbawanye karịa 85%, na ngwa ngwa eji usoro eji ntụ ntụ eme ihe maka ntụ ntụ ọkpọkọ gwakọtara mgbe agbakwunyere mmiri.

4. agba gypsum, bonding gypsum, caulking gypsum

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 bụ ụdị ọmarịcha mma nke mgbidi dị n'ime ụlọ na ihe nkedo n'elu ụlọ, ya na ya iji kpochapụ mgbidi ahụ dị nro ma dị nro, adịghị atụba ntụ ntụ, na njikọ nke ntọala ahụ siri ike, ọ dịghị ihe na-eme ka ọ ghara ikpochapụ, 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 mgbakwunye na mere nke nnyapade ihe onwunwe, ọ na-adabara ụdị nile nke inorganic ụlọ mgbidi ihe bonding, na-adịghị egbu egbu, enweghị ụtọ, mmalite. ike na ngwa ngwa ngwa ngwa, njikọta 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 nke gesso cent 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 na-agbakọta àgwà nke na-ekpebi ihe eji arụ ụlọ gesso. Nsogbu a na-ahụkarị nke ihe ndị a bụ mgbawa oghere oghere, ike mbụ erughi, iji dozie nsogbu a, bụ ịhọrọ ụdị cellulose na retarding agent compound were method problem, na nke a, nhọrọ n'ozuzu nke methyl ma ọ bụ hydroxypropyl methyl. 30000-60000cps, na-agbakwụnye ego bụ 1.5 ‰-2‰ n'etiti, na-elekwasị anya nke cellulose bụ mmiri njigide na retarding lubrication.

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. 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 dị ka 10000eps), na usoro ọgwụgwọ na-adịkarị n'etiti 2 ‰ na 3‰. Usoro eji eme ihe bụ ngwakọta ntụ ntụ.

6. onye ọrụ interface

The interface gị n'ụlọnga bụ HPMC20000cps, na tile ihe nkedo bụ ihe karịrị 60000cps, na interface gị n'ụlọnga na-bụ-eji dị ka thickener, nke nwere ike melite tensile ike na akụ ike.