Enwere ike na imezi arụmọrụ nke mado nke gypsum site na otu mmasị. Ọ bụrụ na arụmọrụ nke ngwa agha gypsum bụ iji mezuo ihe ndị chọrọ ngwa ma zute ihe dị iche iche chọrọ, Deaniksi kemịkal dị iche iche na-emekọ ihe ọnụ ma na-emekwa nke ọma.
1. Onye na-eme mkpọtụ
Na-achịkwa ihe dị egwu bụ ekewa na azụta azụ na ịkwa iko. Na gesso ọkọchị ngwa ngwa ọgwụ, ngwaahịa nke na-eji gesso esiri Esiri Iji egbu oge na-egbu oge ma ọ bụ ngwaahịa na-eji mmiri 2 gessing ozugbo iji kwalite celketete.
2. Onye na-azụ ahịa
Site na itinye ego na gypsum akọrọ agwakọta, usoro hydrous nke gypsum na-egbochi oge nhazi siri ike na oge nhazi siri ike. Ọnọdụ obi ụtọ nke gypsum plasta dị iche iche, gụnyere ihe mejupụtara nke gypsum plasta, okpomọkụ nke ihe gypsum, nsị na uru na uru ngwaahịa emechara. Ihe ọ bụla nwere ike inwe mmetụta na nsonaazụ nke azụ, yabụ enwere nnukwu ọdịiche na ego nke ego na-azụ ahịa n'ọnọdụ ndị na-akwụ ụgwọ n'ọnọdụ ndị na-akwụ ụgwọ ọnọdụ dị iche iche. Ugbu a, ezigbo ụlọ ọrụ na-azụ ahịa pụrụ iche bụ protein metamorphic (elu proteler) Na Rintdị nkwadebe Stucco Gypsum na-akwadebe bụ ihe dị na 0.06% ~ 0.15%.
3. Onye na-atọ ụtọ
Mee ka oge na-ewuli elu nke slurry na ogologo oge mkpali nke slurry bụ otu n'ime ụzọ anụ ahụ iji kwalite mkpọsa. Ndị na-ahụ maka kemịkal nke a na-ejikarị na ntụ ntụ na-acha uhie uhie na-eji ntụ ntụ bụ potassium chloride, potassium si medicate, sulfate na acid ndị ọzọ. Usoro onunu ogwu a na-abụkarị 0.2% ~ 0.4%.
4. Onye na-ahụ maka njide mmiri
Gesso ngwakọta ihe eji eme ihe na-enweghị ike ị ga-ahapụ gị n'aka onye na-elekọta mmiri. Iji meziwanye ọnụego mmiri nke Gypsum Ngwaahịa bụ iji hụ na mmiri nwere ike ịdị na gypsum slurry ogologo oge iji nweta ezigbo hydration na mmetụta ike. Ime ka ọpụpụ nke gypsum ntụ ntụ, na-ebelata ma na-egbochi ihe na-egbu egbu, na-eme ka nsogbu dị mma na-eme ihe na-adịghị mma, na-eme ka nsogbu dị iche iche na-enweghị isi. Ma onye nnọchi anya mmiri na-ejigide bụ ezigbo dabere na mgbasa ozi ya, nkwado ngwa mgbakwunye, na-akpụzi, nkwụsi ike nke mmiri, n'etiti usoro mmiri bụ ihe kachasị mkpa.
Cellaluose ether na-ejide onwe ya
At present, hydroxypropyl methyl cellulose is the most widely used in the market, followed by methyl cellulose, and carboxymethyl cellulose. Njirimara nke hydroxypropyl methyl cellulose dị mma karịa methy cellulose. The water retention of hydroxypropyl methyl cellulose is much higher than that of carboxymethyl cellulose, but the thickening effect and bonding effect are worse than that of carboxymethyl cellulose. Na gypsum akọrọ ụlọ, ego nke hydropopyyl na methyl Cellulose dị na ogo celloxythymylylyylylylylylylylylylylylylylylylylylylylylymylylylylylylylylym cellulose dị na ogo 0,5% ~ 1.0%.
Starch mmiri na-ejide onwe ya
Ojiji nke stachi iche na-echebe mmiri nke starly na-ejikwa ya na Gesso Betty na nwatakịrị, nwere ike dochie anya akụkụ ma ọ bụ ngụkọta mkpụrụ osisi cellulose na-echebe mmiri mmiri. Enwere ike imeziwanye na enwere ike ịmegharị ya nke slurry site na ịgbakwunye mmiri mmiri na-ejigide ihe owuwu ahịhịa gypsum akọrọ. Ngwaahịa na-ejikọkarị mmiri na-ejikọ ọnụ bụ cassava Starch, pre gelatinized stachi, carboxymylyl stachi, carboxypyl starch. Cerchine nwere ụdị nchedo mmiri na-echedo nke ọma na 0.3% ~ 1%, ọ bụrụ na usoro ọgwụgwọ buru ibu na-emepụta mildew n'okpuru gburugburu ebe obibi mmiri, na-emetụta program ut.
③ gluu ụdị mmiri na-ejigide onye nnọchi anya
Mgbagha ozi ozugbo nwekwara ike rụọ ọrụ ka mma na njigide mmiri. Dị ka 17-88, 24-88 polyviny 24 ntụ ntụ, gym gọchị, gypsum insulation nke ụlọ, nwere ike belata ego nke njigide mmiri cellose. Karịsịa na ngwa ngwa ịrapara na ngwa ngwa, ọ nwere ike dochie usoro ndị mmadụ na ụfọdụ.
(4) inorganic mmiri na-ejigide ihe
Ngwa nke ihe eji eme ka ihe ndị ọzọ na-ejigide na-ewu ewu ma ọ bụ belata ihe ndị ọzọ mmiri na-ejigide, belata ọrụ nke ngwaahịa, ma melite ọrụ nke gypsum slurry. Ihe a na-ejikarị mmiri na-ejigide ihe na-ejigide ihe bụ bentonite, kaọlin, daymite, ntụ ntụ, wdg.
5. Nta
Ngwa nke ihe nrapado na gypsum akọrọ ụlọ na-adị ala na-adị ala naanị na mmiri na-ejigide na ndị na-azụ ahịa. Gesso Onwe Mwepu Onwe Gị, Gosisking Gessing Gesso, Nchebe Gesso Green nwere ike ghara ịhapụ onye nnọchi anya.
Ntugharị na-acha uhie uhie
A na-eji ntụ ntụ na-acha uhie uhie na-ejikarị ya na ngwa ngwa gypsum, gypsum mkpuchi, gypsum caulty Puulty na ndị ọzọ. Karịsịa na ngwa agha nke onwe gị, ọ nwere ike ime ka ọ bụrụ ihe nlegharị anya, ọ nwere ike belata stratification, zere iguzogide na-arụ ọrụ dị ukwuu. Ojiji a na-abụkarị 1.2% ~ 2.5%.
Polyvinyl mmanya:
Ka ọ dị ugbu a, mmanya na-egbu egbu na-a alcoụbiga mmanya ókè na ahịa bụ 24-88, 17-88, 17-88 na-ejikarị usoro nchekwa nke abụọ, GESSO COTST CLOTSTS, GESTO Cumpound Plat, onunu ogwu dị na 0.4% ~ 1.2%.
Guar chịngọm, ubi gelatin, carboxymythythylylylylythyl ether na ndị ọzọ na-adọkarị ọrụ na ọrụ dị iche iche na gypsum akọrọ agwakọta.
6. Ndị dị ala
Testụ bụ iji meziwanye ọrụ na ọnya afọ nke gypsum, nke yiri nrapado na mmiri na-ejide onye na-eche naanị, mana ọ bụghị kpamkpam. Resfọdụ ngwaahịa na-eme ngwa ahịa dị mma na oke nkwanye ùgwù, mana nkwanye ùgwù adịghị mma na ike cohesave, ọnụego mmiri. Mgbe ị na-eme ka mkpụrụ ndụ akọrọ gypsum akọrọ, a ga-ewere mmetụta dị mma nke ukwuu iji tinye ndụmọdụ na ntị ka mma. Commonly used thickener products are polyacrylamide, green gum, guar gum, carboxymethyl cellulose.
7. Air-Air-Dabere na
A na-akpọkwa onye na-ahụ maka ikuku na-enweghị atụ, ọkachasị eji gluu na gypsum mkpuchi, plasta plasta na gypsum akọrọ agwakọta. A na - enyefe ikuku na - achọta (na - eme mkpọtụ) na - enyere aka ịkwalite owuwu, ntugide na - agbaze, ntu oyi na - agbaze na 0.01% ~ 0.02%.
8
A na-ejikarị ihe nnọchi anya na-eme ihe na-egbu egbu, gesgo caulking ka ọ bụrụ, ike, na-eguzosi mmekọahụ, usoro onunu ogwu ~ 0.04%.
9.. Mmiri na-ebelata
Na -ebelata mmiri nwere ike imezi Gesso slurry na gesso ike ike, ọ na - abụkarị na gesso onwe gị, Stucco Gesso. Ugbu a, mmiri ụlọ na-ebelata mmiri na-ebelata mmiri acid polycarxylic na-ebelata mmiri, Melamine dị elu nke na-ebelata ihe na-ebelata na-ebelata ihe dị ka mmiri na ike. Na mgbakwunye na oriri mmiri na ike, ọ dị mkpa ị toa ntị na ọnọdụ na-efu na ihe na-ewu ewu mgbe ị na-eji mmiri na-ebelata ụlọ ọrụ na gypsum akọrọ.
10..
Mmetụta kachasị ukwuu nke ngwaahịa Gypsim bụ mmiri na-eguzogide. Mpaghara nke nwere iru mmiri na-agba mmiri nwere mmiri dị elu nwere nguzogide chọrọ maka gypsum akọrọ jụrụ. N'ozuzu, nguzogide mmiri nke gypsum ahụ siri ike site na ịgbakwunye hydraulic na mmasị. N'okpuru ọnọdụ mmiri ma ọ bụ mmiri mmiri ma ọ bụ nke jupụtara na ya, na-eme ka ihe dị nro nke gypsum nwere ike iru 0.7, ka ha mezuo ihe ndị a chọrọ. Enwere ike ijikọ kemịkalụ nke gypsum (ya bụ, belata nnabata nke gypsum ndị ọzọ (ya bụ, mpaghara mmiri) na-eguzogide ụzọ mmiri. Gypsum waterprofiger nwere amnonof na-eloda, methy Swium si merium, silicone resin, silicone resin, mmiri ara ehi Fossil waks, nsonaazụ ahụ ka mma na silicone emulsion waterproof.
11. Onye na-arụ ọrụ
Enwere ike ịgbanye Gypsum gypsum iji mee ka ọ dị nkọ ma sie ike, ka ọ dị mma maka mmepụta nke gypsum akọrọ. Onye na-arụ ọrụ acid nwere ike ime ngwa ngwa nke oge mbụ nke Gypsum Gypsum, belata oge ntọala ma melite ike mmalite nke ahụ gypsum ahụ. Onye na-ahụ maka alkaline enwebeghị mmetụta na-enweghị atụ na ọnụ ọgụgụ nke ọnya na-egbu egbu, ma nwee ike ime ka akụkụ nke ciment ahụ, nke na-eme ka mmiri guzosie ike na mmiri nke Gypsum. Ngwaọrụ ngwa nke onye na-arụ ọrụ acid dị mma karịa nke acid ma ọ bụ onye na-arụ ọrụ. Ndị ọrụ acid gụnyere potassium alum, sodium sulfate, potassium sulfate na ihe ndị ọzọ. Ndị ọrụ Alkaline gụnyere QuickLome, Ciment, ciment clinker, dolomite na ndị ọzọ.
Thokostropic lubricant
A na-eji lubricanble lubricanble na gypsum na-ahụ anya ma ọ bụ nke nwere ike belata nguzogide nke ngwa agha gypsity, ka ị na-eme ka ahụ dị oke mma, mee ka ahụ sie ike.
Oge Post: Mee-25-2022