Pane zvinogumira mukuvandudza mashandiro egypsum paste ne single admixture.Kana kuita kwegypsum mortar kuri kuwana mhedzisiro inogutsa uye kusangana nezvinodiwa zvakasiyana zvemashandisirwo, makemikari anosanganiswa, admixtures, mafirita uye zvakasiyana siyana zvezvinhu zvinodiwa kuumba uye kuzadzisana mune zvesainzi uye zvine musoro.
1. The coagulant
Regulating coagulant inonyanya kukamurwa kuita retarder uye coagulant.Mu gesso yakaoma musanganiswa dhaka, chigadzirwa anoshandisa yakabikwa gesso kugadzira zvose anoshandisa kunonoka coagulate agent, shandisa anhydrous gesso kana chigadzirwa anoshandisa 2 mvura gesso kugadzira zvakananga inoda kukurudzira coagulate agent.
2. Retarder
Nekuwedzera retarder kune gypsum yakaoma yakasanganiswa zvivakwa zvekuvaka, iyo hydration maitiro ehafu-hydrous gypsum inodzivirirwa uye nguva yekusimba inowedzerwa.Iyo hydration mamiriro egypsum plaster akasiyana, anosanganisira chikamu chekuumbwa kwegypsum plaster, tembiricha yegypsum zvinhu, particle fineness, kuseta nguva uye pH kukosha kwechigadzirwa chapera.Chinhu chimwe nechimwe chine pesvedzero pamhedzisiro yekunonoka, saka pane misiyano mikuru muhuwandu hwekunonoka mumiriri pasi pemamiriro akasiyana.Parizvino, iyo iri nani yepamba gypsum yakakosha retarder ndeye metamorphic protein (yakakwira protein) retarder, ine zvakanakira mutengo wakaderera, nguva refu yekudzosa, kurasikirwa kwesimba kushoma, kuvaka kwakanaka, kuvhura kwenguva refu zvichingodaro.Mumhando yepasi stucco gypsum yekugadzirira huwandu hunowanzo mu 0.06% ~ 0.15%.
3. The coagulant
Kuwedzera kumhanyisa nguva yeslurry uye kurebesa kumhanyisa kumhanya kweslurry ndiyo imwe yenzira dzemuviri dzekusimudzira coagulation.Makemikari coagulants anowanzo shandiswa mune anhydrous gypsum poda zvekuvaka zvinhu ndeye potassium chloride, potassium silicate, sulfate uye mamwe maasidhi.Iyo dosage inowanzo 0.2% ~ 0.4%.
4. Mushandi wekuchengetedza mvura
Gesso yakaoma musanganiswa kuvaka zvivakwa hazvigone kusiya kudzivirira mumiriri wemvura.Kuvandudza huwandu hwekuchengetedza mvura yegypsum chigadzirwa slurry kuve nechokwadi chekuti mvura inogona kuvapo mugypsum slurry kwenguva yakareba kuitira kuti uwane yakanaka hydration uye kuomesa maitiro.Kuvandudza kuvakwa kwegypsum poda yekuvaka zvivakwa, kuderedza uye kudzivirira kupatsanurwa uye kubuda ropa kwegypsum slurry, kuvandudza slurry kuyerera kunorembera, kurebesa nguva yekuvhura, kugadzirisa einjiniya matambudziko emhando sekutsemuka uye isina chinhu chigubhu hazviparadzaniswe kubva kune inochengetedza mvura.Kunyangwe iyo mvura-yekuchengetedza mumiriri yakakodzera kunoenderana zvakanyanya nekupararira kwayo, kukurumidza kunyungudika, kuumbwa, kugadzikana kwekupisa uye kukora, pakati peiyo kuchengetwa kwemvura ndiyo inonyanya kukosha index.
Cellulose ether inochengetedza mvura
Parizvino, hydroxypropyl methyl cellulose ndiyo inonyanya kushandiswa pamusika, ichiteverwa nemethyl cellulose, uye carboxymethyl cellulose.Iyo yakazara zvimiro zvehydroxypropyl methyl cellulose zviri nani pane methyl cellulose.Kuchengetwa kwemvura kwehydroxypropyl methyl cellulose kwakakwira zvakanyanya kupfuura iyo yecarboxymethyl cellulose, asi iyo gobvu mhedzisiro uye bonding mhedzisiro yakaipa kupfuura iyo yecarboxymethyl cellulose.Mune gypsum yakaoma yakasanganiswa yekuvaka zvivakwa, huwandu hwehydroxypropyl uye methyl cellulose iri muhuwandu hwe0.1% ~ 0.3%, uye huwandu hwecarboxymethyl cellulose huri muhuwandu hwe0.5% ~ 1.0%.
Starch-inochengetedza mvura mumiririri
Starch mhando inodzivirira mvura inoshandiswa pa gesso be putty mumwana, face layer modhi stucco gesso, inogona kutsiva chikamu kana yakazara cellulose mhando inodzivirira mumiriri wemvura.Iko kushanda, kuvakwa uye kuenderana kwe slurry kunogona kuvandudzwa nekuwedzera starch-inochengetedza mvura mumiriri kune gypsum yakaoma zvivakwa zvekuvaka.Zvigadzirwa zvinogara zvichishandiswa sitachi zvinochengeta mvura icassava starch, pre gelatinized starch, carboxymethyl starch, carboxypropyl starch.Starch mhando inodzivirira mumiriri wemvura dosage kuti ive mu 0.3% ~ 1% kazhinji, kana dosi yakakurisa musangano inoita kuti gesso chigadzirwa chibudise mildew chiitiko pazasi nyoro nharaunda, inokanganisa kunaka kweprojekiti zvakananga.
③ Glue mhando yemvura inochengetedza mumiriri
Mamwe anonamira ipapo ipapo anogona kuita basa riri nani mukuchengetedza mvura.Zvakadai se 17-88, 24-88 polyvinyl doro poda, girini chingamu uye guar gum inoshandiswa kubatanidza gypsum, gypsum putty, gypsum insulation glue uye zvimwe gypsum yakaoma yakasanganiswa zvivakwa zvekuvaka, mune imwe chiyero chenyaya, inogona kuderedza huwandu hwe cellulose water retention agent.Kunyanya mukukurumidza kunamatira gypsum, inogona kutsiva cellulose ethers mune dzimwe nguva.
(4) Inorganic mvura inochengetedza zvinhu
Kushandiswa kwezvakasanganiswa zvimwe zvinhu zvinochengeta mvura mugypsum yakaoma zvakasanganiswa zvekuvakisa zvinogona kuderedza huwandu hwezvimwe zvinhu zvinochengetedza mvura, kuderedza mutengo wezvigadzirwa, uye kugadzirisa kushanda uye kuvakwa kwegypsum slurry.Iyo inowanzo shandiswa inorganic mvura yekuchengetedza zvinhu ndeye bentonite, kaolin, diatomite, zeolite poda, perlite poda, attapulgite ivhu, nezvimwe.
5. Adhesive
Iko kushandiswa kwekunamatira mune gypsum yakaoma yakasanganiswa zvivakwa zvekuvaka yakaderera chete kune inochengetedza mvura mumiriri uye retarder.Gesso self leveling dhaka, adhesive gesso, caulking gesso, kuchengetedza kupisa gesso glue haigoni kusiya inonamatira.
Redispersible latex poda:
Redispersible latex poda inoshandiswa zvakanyanya mugypsum self-leveling mortar, gypsum insulation glue, gypsum caulking putty nezvimwe zvakadaro.Kunyanya mu gypsum self-leveling dhaka, inogona kuita slurry viscidity, yakanaka fluidity, kuderedza stratification, kudzivirira kubuda ropa, kunatsiridza kutsemuka kuramba uye zvichingodaro zvakare yakaita basa rakakura.Kushandiswa kunowanzo 1.2% ~ 2.5%.
Instant polyvinyl doro:
Parizvino, iyo pakarepo yakanyungudutswa yepolyvinyl doro ine dosage yakawanda pamusika ndeye 24-88, 17-88 chigadzirwa chemhando mbiri, inowanzoshandiswa pakunamira plaster, gesso, gesso compound yekudzivirira kupisa glue, stucco plaster uye zvimwe zvigadzirwa, dosage ndeye. mu 0.4% ~ 1.2% kazhinji.
Guar gum, munda gelatin, carboxymethyl cellulose, starch ether uye zvichingodaro zvinonamira zvine mabasa akasiyana ekubatanidza mugypsum yakaoma yakasanganiswa zvekuvakisa.
6. Mukobvu
Kukora kunonyanya kuvandudza kushanda uye fluidity yegypsum slurry, iyo yakafanana neinonamatira uye mvura inochengetedza mumiririri, asi kwete zvachose.Imwe thickening agent chigadzirwa chakanaka mukukora ruremekedzo mhedzisiro, asi ruremekedzo haruna kunaka mukubatana nesimba, chiyero chekuchengetedza mvura.Paunenge uchigadzira gypsum yakaoma poda yekuvaka zvivakwa, iyo huru mhedzisiro yekusanganiswa inofanirwa kutariswa zvizere kuti uise admixture zvirinani uye zvine musoro.Zvinowanzoshandiswa thickener zvigadzirwa polyacrylamide, girini chingamu, guar chingamu, carboxymethyl cellulose.
7. Air-entraining agent
Mhepo intraining agent inozivikanwawo seanopupuma agent, inonyanya kushandiswa mu gypsum insulation glue, plaster plaster uye imwe gypsum yakaoma yakasanganiswa zvekuvakisa.Mhepo intraining agent (foaming agent) inobatsira kuvandudza kuvaka, kutsemuka kusamira, chando kuramba, kuderedza kubuda ropa uye kusarurana chiitiko, muyero unowanzo mu 0.01% ~ 0.02%.
8. Defoaming agent
Defoaming agent inowanzo shandiswa pa gesso self-leveling mortar, gesso caulking be putty in, inogona kusimudza density ye pulp, simba, mvura kuramba, caking sex, dosage iri mu 0.02% ~ 0.04% kazhinji.
9. Mvura inoderedza mumiririri
Kuderedza mumiriri wemvura kunogona kuvandudza gesso slurry fluidity uye gesso kuomesa simba remuviri, kazhinji pa gesso self leveling mortar, stucco gesso.Parizvino, mumiriri wekudzikisa mvura yemumba ndeye polycarboxylic acid inodzoresa mvura inoderedza mumiriri, melamine yakanyanya-inoshanda yekudzikisa mvura, tii sisitimu yakakwirira-inoshanda kudzoreredza mvura inoderedza mumiriri, lignosulfonate yekudzikisa mvura mumiriri zvinoenderana nekuyerera uye simba mhedzisiro.Pamusoro pekushandiswa kwemvura uye simba, zvinodikanwa kuterera kune yekumisikidza nguva uye fluidity kurasikirwa kwegypsum zvekuvakisa kana uchishandisa mvura yekudzikisa mumiririri mune gypsum yakaoma yakasanganiswa zvivakwa zvekuvaka.
10. Waterproofing agent
Kukanganisa kukuru kwezvigadzirwa zvegypsum kusamira zvakanaka kwemvura.Nzvimbo ine hunyoro hwemhepo yakakura ine yakakwirira yekudzivirira mvura zvinodiwa zvegypsum yakaoma yakasanganiswa dhaka.Kazhinji, kuramba kwemvura kwegypsum yakaomeswa muviri kunovandudzwa nekuwedzera hydraulic admixture.Pasi pemamiriro emvura yakanyorova kana yakazara, iyo inonyorovesa coefficient yegypsum yakaomeswa muviri inogona kusvika 0.7, kuitira kuti isangane nezvinodiwa zvechigadzirwa simba.Chemical admixtures inogona zvakare kushandiswa kuderedza kunyungudika kwegypsum (kureva, kuwedzera kupfavisa coefficient), kuderedza kunyura kwegypsum kumvura (kureva, kuderedza kunyura kwemvura) uye kuderedza kukukurwa kwegypsum yakaoma muviri (kureva, mvura. isolation) nzira yekudzivirira mvura.Gypsum waterproof agent ine ammonium borate, methyl sodium silicate, silicone resin, mukaka fossil wax, mhedzisiro yacho iri nani uye silicone emulsion isina mvura mumiririri.
11. Active activator
Yakasikwa uye makemikari anhydrous gypsum inogona kushandiswa kuti iite inonamira uye yakasimba, kuitira kuti ive yakakodzera kugadzirwa kwegypsum yakaoma yakasanganiswa zvivakwa zvekuvaka.Acid activator inogona kumhanyisa yekutanga hydration rate yeanhydrous gypsum, kupfupisa nguva yekumisikidza uye kugadzirisa yekutanga simba regypsum yakaoma muviri.Alkaline activator haina mhedzisiro payekutanga hydration rate yeanhydrous gypsum, asi inogona kuvandudza simba rekupedzisira regypsum yakaomeswa muviri, uye inogona kuumba chikamu che hydraulic simende zvinhu mu gypsum yakaomeswa muviri, iyo inobudirira inovandudza kudzivirira kwemvura yegypsum yakaoma muviri. .Iko kushandiswa kwe acid-base compound activator iri nani pane yeasidhi imwe chete kana basic activator.Acid activators zvinosanganisira potassium alum, sodium sulfate, potassium sulfate uye zvichingodaro.Alkaline activator zvinosanganisira quicklime, simende, simende clinker, calcined dolomite uye zvichingodaro.
Thixotropic lubricant
Thixovariable lubricant inoshandiswa mu-self-leveling gypsum kana stuccoing gypsum, iyo inogona kuderedza kuyerera kwegypsum dhaka, kuwedzera nguva yekuvhura, kudzivirira stratification uye kugadzirisa slurry, kuitira kuti slurry iwane mafuta akanaka uye kuvaka, uchigadzira. muviri wakaomeswa chimiro yunifomu, kuwedzera kwayo pamusoro simba.
Nguva yekutumira: May-25-2022