Hydroxyethyl cellulose (HEC) ichena kana yakareruka yeyero, isinganhuhwi, isina-chepfu fibrous kana upfu hwakasimba yakagadzirwa ne etherification yealkaline cellulose uye ethylene oxide (kana chlorohydrin). Nonionic soluble cellulose ethers. Nemhaka yekuti HEC ine zvinhu zvakanaka zvakadai sekukora, kumisa, kuparadzira, emulsifying, kusungirirwa, kugadzira firimu, kuchengetedza unyoro uye kupa macolloids ekudzivirira, yakashandiswa zvakanyanya mukuchengetedza ganda, kuongorora mafuta, kuvhara, kuvaka, mishonga uye zvokudya, machira, kugadzira mapepa uye polymers. Polymerization uye mamwe minda. 40 mesh sieving rate ≥ 99%;
Chimiro chechimiro: chena kusvika kuchiedza chero fibrous kana powdery yakasimba, isina-chepfu, isina kunhuwa, inonyungudika nyore mumvura. Insoluble in general organic solvents.
Hydroxyethyl cellulose
Muchikamu che PH kukosha kwe 2-12, shanduko ye viscosity iduku, asi viscosity inoderera kupfuura iyi. Iine maitiro ekukora, kumisa, kubatana, emulsifying, kuparadzira, kuchengetedza unyoro uye kudzivirira colloid. Mhinduro dzemhando dzakasiyana dze viscosity dzinogona kugadzirirwa. Iyo haina kugadzikana pasi peyakajairika tembiricha uye kumanikidzwa, kudzivirira hunyoro, kupisa uye tembiricha yakanyanya, uye ine yakasarudzika munyu mukunyungudika kune dielectrics, uye mhinduro yayo ine aqueous inobvumirwa kuve neyakawanzisa munyu uye yakagadzikana.
Zvinhu zvakakosha: Senge isiri-ionic surfactant, hydroxyethyl cellulose ine zvinotevera zvinhu mukuwedzera kukora, kumisa, kusunga, kutenderera, firimu-kuumba, kuparadzira, kuchengetedza mvura uye kupa ekudzivirira macolloid:
1. HEC inonyungudika mumvura inopisa kana inotonhora, uye haipindi pakupisa kwepamusoro kana kuvira, ichiita kuti ive nehuwandu hwekunyungudika uye viscosity maitiro, uye kwete-thermal gelation;
2. Haisi-ionic uye inogona kugarisana nemamwe akawanda-anonyunguduka mapolymers, surfactants uye munyu, uye yakanakisa colloidal thickener ine high-concentration electrolyte solutions;
3. Kukwanisa kwekuchengetedza mvura kwakapetwa kaviri kune iyo methyl cellulose, uye ine zviri nani kuyerera kwemutemo.
4. Kuenzaniswa neyakazivikanwa methyl cellulose uye hydroxypropyl methyl cellulose, kukwanisa kuparadzira kweHEC ndiyo yakaipisisa, asi iyo inodzivirira colloid ine simba rakasimba.
Kupeta nzvimbo yekushandisa
Inoshandiswa seanonamira, surfactant, colloid inodzivirira agent, dispersant, emulsifier uye dispersion stabilizer. Iine huwandu hwakawanda hwemashandisirwo ekuputira, ingi, fiber, dhayi, papermaking, cosmetics, mishonga yekuuraya zvipembenene, mineral processing, kubvisa mafuta uye mushonga.
1. Inowanzo shandiswa seyakakora mumiriri, inodzivirira, inonamira, inosimbisa uye inowedzera yekugadzira emulsion, gel, mafuta, mafuta ekuzora, kuchenesa maziso, suppository uye piritsi, rinoshandiswawo se hydrophilic gel, skeleton zvinhu, kugadzirira skeleton inosimudzira-kusunungurwa gadziriro. , uye inogonawo kushandiswa seyakagadzikana mukudya.
2. Inoshandiswa senge saizi agent muindasitiri yezvipfeko, bonding, thickening, emulsifying, stabilizing uye zvimwe zvinobatsira mumagetsi uye light industry sectors.
3. Inoshandiswa seyakakora uye sefiltrate inodzikisira yemvura-based drilling fluid uye kupera kwemvura, uye ine zvinooneka kukora mhedzisiro mumvura ine munyu yekuchera mvura. Inogona zvakare kushandiswa senge yemvura kurasikirwa inodzora mumiriri wemafuta tsime simende. Inogona kuchinjika-yakabatana ne polyvalent simbi ions kuita gels.
4. Ichi chigadzirwa chinoshandiswa se dispersant yemvura-based gel fracturing fluids, polystyrene uye polyvinyl chloride mukugadzirwa kwemafuta fracturing. Inogona zvakare kushandiswa se emulsion thickener muindasitiri yependi, humidity sensitive resistor muindasitiri yemagetsi, simende coagulation inhibitor uye mumiriri wekuchengetedza hunyoro muindasitiri yekuvaka. Glazing uye mazino anonamira eiyo ceramic indasitiri. Inoshandiswawo zvakanyanya mukudhinda nekudhaya, machira, kugadzira mapepa, mushonga, hutsanana, chikafu, fodya, mishonga yezvipembenene uye zvinodzima moto.
5. Inoshandiswa se surfactant, colloid protective agent, emulsion stabilizer yevinyl chloride, vinyl acetate uye mamwe emulsions, pamwe ne latex tackifier, dispersant, dispersion stabilizer, etc. Inoshandiswa zvakanyanya mukuputira, fiber, dyeing, papermaking, cosmetics, mishonga, mishonga yezvipembenene, nezvimwewo. Inoshandisawo zvakawanda mukuchera oiri neindasitiri yemichina.
6. Hydroxyethyl cellulose ine basa repamusoro, kuwedzera, kumisa, kusunga, emulsifying, firimu-kuumba, kuparadzira, kuchengetedza mvura uye kupa kudzivirirwa mumishonga yakasimba uye gadziriro yemvura.
7. Inoshandiswa se dispersant yekushandiswa kwepetroleum mvura-based gel fracturing fluid, polyvinyl chloride uye polystyrene. Inogona zvakare kushandiswa se emulsion thickener muindasitiri yependi, simende coagulation inhibitor uye mwando kuchengetedza mumiriri muindasitiri yekuvaka, glazing agent uye mazino anonamira muindasitiri yeceramic. Inoshandiswawo zvakanyanya mukudhinda nekudhaya, machira, kugadzira mapepa, mushonga, hutsanana, chikafu, fodya nemishonga yezvipembenene nemamwe minda yemaindasitiri.
Kupeta kwechigadzirwa
1. HEC inonyungudika mumvura inopisa kana inotonhora, uye hairegi pakupisa kwepamusoro kana kuvira, kuitira kuti ive nemhando dzakasiyana-siyana dzekunyungudika uye viscosity maitiro, uye kwete-thermal gelation;
2. Iyo isiri-ionic pachayo inogona kugarisana nemamwe akawanda-anonyungudika emvura mapolymers, surfactants uye munyu, uye yakanakisa colloidal thickener ine high-concentration dielectric solutions;
3. Kukwanisa kuchengetedza mvura kwakapetwa kaviri kupfuura yemethyl cellulose, uye ine zviri nani kuyerera kwemutemo;
4. Kuenzaniswa neyakazivikanwa methyl cellulose uye hydroxypropyl methyl cellulose, kukwanisa kuparadzira kweHEC ndiyo yakaipisisa, asi iyo inodzivirira colloid ine simba rakasimba.
Kupeta sei
Join zvakananga mukugadzira
1. Wedzera mvura yakachena kune bhaketi guru rakashongedzerwa nepamusoro-shear mixer.
2. Tanga kubvongodza uchienderera mberi nekumhanya kwakaderera uye zvishoma nezvishoma sieve hydroxyethyl cellulose mumugadziro wakaenzana.
3. Ramba uchikurunga kusvika zvidimbu zvese zvanyorova.
4. Zvadaro wedzera antifungal agent, alkaline additives yakadai sepigments, kuparadzira rubatsiro, ammonia mvura.
5. Shingairira kusvikira yose hydroxyethyl cellulose yakanyungudutswa zvachose (viscosity yemhinduro inowedzera zvakanyanya) isati yawedzera zvimwe zvikamu muhutano, uye kugaya kusvikira chigadzirwa chapera.
Basa rehydroxyethyl cellulose mumakemikari ekuumbwa kwezvizoro? Iyo inonyungudika nemvura polymer makomisheni anoshandiswa muzvizora anonyanya kukamurwa kuita mapoka maviri: echisikigo uye ekugadzira.
Natural soluble polymer compounds inosanganisira: starch, plant gum, mhuka gelatin, nezvimwewo, asi unhu husina kugadzikana, huri nyore kukanganiswa nemamiriro ekunze, nzvimbo yenharaunda, goho shoma, uye nyore nyore kuparara nebhakitiriya uye mold.
Synthetic water-soluble polymer compounds zvinosanganisira polyvinyl doro, polyvinylpyrrolidone, nezvimwewo, izvo zvine zvimiro zvakagadzikana, kushomeka kweganda uye mutengo wakaderera, saka ivo vakatsiva echisikigo-anonyungudika epolymer makomisheni uye vanova sosi huru ye colloid mbishi zvinhu.
Iyo zvakare yakakamurwa kuita semi-synthetic uye synthetic mvura-soluble polymer makomisheni.
Semi-synthetic water-soluble polymer compounds inowanzoshandiswa: methyl cellulose, ethyl cellulose, sodium carboxymethyl cellulose, hydroxyethyl cellulose, uye guar gum nezvimwe zvinobva pairi.
Synthetic water-soluble polymer compounds inowanzoshandiswa: polyvinyl doro, polyvinylpyrrolidone, acrylic acid polymer, nezvimwewo.
Aya anoshandiswa muzvizoro seanonamira, makobvu, mafirimu ekutanga, uye emulsion stabilizers.
Nguva yekutumira: Nov-11-2022