Panguva imwecheteyo, inogona kuvandudza zvinonzwisisika simba rekumanikidza uye kugera simba reHPMC hydroxypropyl methyl cellulose, wedzera kuvandudza mhedzisiro chaiyo yekuvakwa kweinjiniya, kuvandudza kugona.HPMC hydroxypropyl methyl cellulose inogona kuvandudza simba rekunamatira re putty poda, kuderedza mamiriro ekumisa, kuve nechokwadi chekubudirira kwekuvaka engineering.Hydroxypropyl methyl cellulose inogona kuwedzera nguva yekumhanya uye kubata nedambudziko rekushaikwa uye kusakwana kwekutanga kumanikidza simba mukuita kweinjiniya yekuvaka.
Iyo yakakwira-yekuvhara mvura kuita kweinjiniya yekuvaka dhaka uye putty dhaka inogona kugadzira kongiri yakaringana kusanganiswa, uye inogona zviripachena kuvandudza kusungirirwa kusimba kwedhaka.Panguva imwecheteyo, iyo yekumanikidza simba uye shear simba rehydroxypropyl methyl cellulose inogona kuvandudzwa zvine mutsindo kuti iwedzere kuvandudza iyo chaiyo mhedzisiro yekuvaka kweinjiniya nekuvandudza kugona.
Kuramba hunyoro mwanakomana,HPMChydroxypropyl methyl cellulose, mhedzisiro yehydroxypropyl methyl cellulose mune putty poda, kudzivirira kuomeswa nekuomeswa kunokonzerwa nekukurumidza kubuda kwemvura.Hydroxypropyl methyl cellulose inogona kuvandudza simba rekunamatira re putty poda, kuderedza mamiriro ekumiswa, kuve nechokwadi chekubudirira kwekuvaka engineering.
HPMC hydroxypropyl methyl cellulose kiyi nekuvhara mvura, kukora, kunyorova uye zvimwe zvinokonzeresa, kukora, kunyorova uye zvimwe zvinokonzeresa zvine imwe yekutanga kuseta maitiro.Hydroxypropyl methyl cellulose inogona kuwedzera nguva yekumhanya uye kubata nedambudziko rekushaikwa uye kusakwana kwekutanga kumanikidza simba mukuita kweinjiniya kuvaka.
HPMC hydroxypropyl methyl cellulose mumadziro evhavha dhaka inoita basa rakakosha mukubatanidza mhedzisiro, uye inokwidziridza simba rekumanikidza rezvishandiso.Dhaka iri nyore kwazvo kuvhara, kuvandudza kushanda zvakanaka, nebasa rekutanga rekudzivirira-kuyerera kumiswa uye inoshanda mhedzisiro.Kuvharika kwemvura kuita kwehydroxypropyl methyl cellulose kunogona kuwedzera nguva yekumhanya yedhaka, kunatsiridza kuramba kubatanidzwa uye kumisa, kunatsiridza kunaka kwepamusoro, uye kunatsiridza simba rekumanikidza rekubatana.
Iyo yakanyanya-soluble tile binder inobvisa kudiwa kwekutanga kunyorova kana kunyorova pasi mataira nenheyo, zvichiwedzera kuvandudza kusungirirwa kwesimba rekumanikidza.Iyo slurry engineering yekuvaka nguva yakareba, ine hungwaru, yakaenzanirana, yakanakira engineering yekuvaka, ine yakanaka hunyoro kuramba.
Mumunda wezvakasikwa latex kuvaka machira, hydroxypropyl methyl cellulose inogona kushandiswa semugadziri wemufirimu, tackifier, demulsifier uye thickener, kuitira kuti firimu repurasitiki rive nani kupfeka kuramba, fluidity uye kunamatira.Iyo pH inoshandiswa kuvandudza kusawirirana kwechiso inotsanangurwa zvakanaka, uye musanganiswa ne organic solution yakanaka uye ine kunaka kwakanaka.
Economic kusimukira Architectural coatings ane simba rakanaka, yakanakisa kupenya kwemvura uye yakanaka kuramba kuchembera.Iyo chaiyo ibwe yekuputira fomula dhizaini dhizaini yakakosha.A toni yemhando yepamusoro lacquer inoumbwa ne300KG yakachena styrene-acrylic emulsion, 650KG yakachena dombo remvura aqueous mhinduro uye zvimwe zvikamu.High quality real lacquers inoratidzwa nemafuta akawanda anonyorovesa.Kana iyo yemvura inoumbwa emulsion iri 50%, vhoriyamu ye300KG moisturizing emulsion mushure mekuoma inenge 150 litres, uye huwandu hwe650KG jecha rinorema rinenge 228 malita.Izvi zvinoreva, munyaya iyi, pende chaiyo yebwe (ruvara paste concentration value) ndeye 60%.Nekuda kwehukuru hukuru hwechikamu uye kutaridzika kusingaenzaniswi kwejecha rakanaka, pasi pechigadziro cheimwe particle saizi yekuongorora, yakaoma ekunze madziro ekuvhara inogona kunge yakatenderedza kukosha kweCPVC.
Kune viscosifier, kana yakakodzera cellulose viscosity yakasarudzwa, kunze kwemadziro kuvharika kunogona kuburitsa yakadzama, yakawedzera yakanyungudutswa pendi layer, kuitira kuti iwane izvo zvitatu zvekuvharisa madziro ekunze.Mitemo mitatu yekuvaka machira.Muchokwadi, kushandiswa kweakawanda ehupfumi uye anoshanda ibwe qi, tani yechakavanzika recipe solvent 100-160kg, 750kg yemavara ndiro jecha, 20kg (kusanganisira coating additives, mishonga yekuuraya zvipembenene, fungicides, adhesives, nezvimwewo), zvimwe zvese mvura uye zvigadzirwa zvekuchengetedza ganda.Rudzi urwu rwechokwadi rwechokwadi pendi yedombo PVC kazhinji pakati pe75%?Pakati pe85%, mukuita basa kwakaomeswa, chaiyo yebwe pendi coating yakaoma kumisa yakadzama uye yakasimba pendi layer.Naizvozvo, mashandisiro akazara eiyo yakanyanya kuganhurirwa moisturizing emulsion yakavanzika resipi maitiro, kuitira kuti kukoira kwazvinogoneka symmetrical.
Chaiyo matombo kuvaka coatings ane hunhu yakaderera viscosity (yakakwirira molecular uremu).Nekuda kwekuwedzera kwemutengo we cellulose commodities, viscosity yeyakaiswa cellulose inoshandurwa kubva ku30000 kuenda ku50000,80000,100000, kunyangwe ikawedzerwa ne200000, chinangwa ndechekudzikisa huwandu hweseruseru kubva kumethyl cellulose (HEC). ) kune hydroxyl acrylic cellulose (HPMC);Iko kushandiswa kwemethyl methyl cellulose HPMC kuchaderedza zvakanyanya kudzoreredza kwemvura kwependi chaiyo yekuvaka, uyezve kuvandudza viscosity ye cellulose (relative molecular mass) ichava iyo chaiyo yekuvaka pendi pendi commodity performance performance?Mhinduro ndeyokuti kushanda kwedombo repende yematombo kuchawedzera kuipa uye kuipa!
HPMC inogona kukamurwa kuita pakarepo uye kupisa soluble marudzi.Kana mvura inotonhora ichikurumidza kupararira uye ichidzika mumvura, HPMC inogona kukamurwa kuita nekukurumidza uye kupisa soluble marudzi.Panguva ino, mvura haina viscosity, nokuti HPMC inongopararira mumvura, uye hapana pfungwa chaiyo yekunyunguduka.Mushure meanenge 2min, viscosity yemvura inowedzera zvishoma nezvishoma, ichigadzira yakajeka viscous colloid mhinduro.Kana zvinhu zvinopisa zvinonyungudutsa zvakaungana mumvura inotonhora, zvinogona kupararira nekukurumidza mumvura inopisa uye kuparara mumvura inopisa.Kana iyo ambient tembiricha yadzikiswa kusvika kune imwe nhanho yekupisa, iyo viscosity ichaitika zvishoma nezvishoma kusvika yakajeka yakazara viscous colloidal mhinduro yagadzirwa.Mhando ye thermal organic solvent inongoshandiswa mukati memadziro putty poda uye dhaka.Mumvura superglue uye machira, pane huwandu hwevanhu husingagone kuiswa.Iyo inokurumidza - solubility mhando ine general application chikamu.Inogona kushandiswa seyemukati madziro putty poda uye dhaka, uye yayo yemvura superglue uye coating.Hapana taboo.
Kunyungudika kwemvura inopisa: nekuti HPMC mumvura inopisa hainyunguduke, saka HPMC mune yekutanga link inogona kuparadzirwa zvakaenzana mumvura inopisa, uye yobva yanyungudika nekukurumidza kana ichitonhora.Nzira mbiri dzechinyakare dzinotsanangurwa sezvizvi:
1) Isa mvura inopisa yaunoda mumudziyo wopisa kusvika pa70 ℃.Zvishoma nezvishoma sanganisa, zvishoma nezvishoma wedzera hydroxypropyl methyl cellulose, zvishoma nezvishoma HPMC inoyangarara parwizi, uye zvishoma nezvishoma inoburitsa sludge refrigeration sludge mukusanganisa.
2) Wedzera 1/3 kana 2/3 yemvura mumudziyo, kupisa kusvika 70 ℃, kupisa kusvika 70 ℃ kuparadzira HPMC, uye gadzira sludge yemvura inopisa;Mvura yakasara inotonhora inobva yawedzerwa kune sludge inopisa uye inosanganiswa nemusanganiswa wepashure-kutonhora.
Powder kusanganisa nzira: HPMC hupfu neblender uye mamwe akawanda ehupfu kemikari inokwana musanganiswa, wobva wawedzera mvura kunyungudika.Panguva ino, HPMC inogona kunyungudika kana pasina agglomeration, nokuti imwe neimwe kona duku chete zvishoma HPMC upfu, apo mvura ichanyunguduka pakarepo - rudzi urwu rwenzira inongova kushandiswa kwemukati rusvingo putty upfu uye dhaka vagadziri.[HPMC] semugadziri wekubata uye anonyorovesa mumiriri weputty yemadziro emukati.
Iyi ndiyo yakajairwa hydroxypropyl methyl cellulose (HMPC) misodzi yekugadzira, iri padyo neiyo viscoelastic substance (kunyanya mucin) mumisodzi.Inonamatira pamusoro peziso kuburikidza nekushambadza kwepolymer, uye inotevedzera basa re conjunctival mucin, kuitira kuti ivandudze yakaderedzwa mamiriro emucin muziso uye kuwedzera kunyorova kwe cornea.
Mune putty powder, thickening, kuchengetedza mvura uye kuvaka kwemabasa matatu.Kukora, cellulose inogona kukwiziridzwa kuti imiswe, kuitira kuti mhinduro irambe iine yunifomu kumusoro uye pasi basa rekurembera-kuyerera.Kuchengeta mvura: ita kuti putty poda iome zvishoma nezvishoma, yekubatsira grey calcium mukuita kwekuita kwemvura.Kuvaka: cellulose lubrication, inogona kuita putty poda ine kuvaka kwakanaka.HPMC haitore chikamu mune chero chemakemikari maitiro, asi inongotora basa rekutsigira.
Pendi yemavara inoshanduka-shanduka mukusarudza kweruvara, uye inokwanisa kuwana yakanakira dhizaini dhizaini, uye iyo chaiyo pende pendi mukutsvaga kwehupenyu hwechisikigo, iri nani kupfuura pendi yemavara, imwe neimwe ine simba rayo.Texture pendi uye lacquer mukugadzira maitiro, kuitira kuchengetedza zvachose ruvara rwepakutanga, kazhinji mukuita kwekupedzisira, tinofanira kushandisa varnish (mafuta akareruka) kupfapfaidza kuchengetedza maitiro avo ehunyanzvi kana maitiro ematombo.
Lacquer, pende yemavara imhando yepende, inonyanya kushandiswa pakushongedza madziro.Iyo yakasikwa diatom mud yepamutemo webhusaiti inopfupikisa mimwe misiyano pakati pepende yemavara uye lacquer, pendi yemavara uye lacquer kusiyanisa nzira, inotevera chaiyo kuona mutsauko pakati pelacquer uye pendi yemavara.
High quality latex mitengo yakakwira, vagadziri kuitira kuchengetedza mari, ingo wedzera huwandu hushoma hwechikamu che emulsion, mushure mekugadzira pendi chaiyo yedombo yakaoma firimu yakasununguka, isina kukwana density, pendi firimu iri bibulous rate yakakura, inomanikidza simba yakaderedzwa, kamwe kusangana kunonaya mamiriro okunze kwenguva yakareba, mvura ichapinda mufirimu yependi, chaizvoizvo ibwe pendi chena.
Vamwe vanogadzira mukugadzira lacquer, vanowanzowedzera yakawanda carboxymethyl cellulose, hydroxyethyl cellulose se thickener, zvinhu izvi zvinonyunguduka mvura kana hydrophilic, coating firimu akasiyiwa munhevedzano, zvikuru kuderedza mvura kuramba coating.
Nguva yekutumira: Jun-09-2022