Hydroxyethyl Cellulose

Hydroxyethyl cellulose (HEC) imhando ye cellulose inonyungudika isinganyunguduke muioniczvinobva muizvo zvinogona kushanda pamwe chete nemamwe mapolymer akawanda anonyungudika mumvura, masurfactants, uye munyu. HEC ine hunhu hwekukora, kumisa, kunamira, emulsification, kuumbwa kwefirimu kwakasimba, kupararira, kuchengetedza mvura, kudzivirira mabhakitiriya uye kudzivirira colloidal. Inogona kushandiswa zvakanyanya mu coatings, cosmetics, kuchera mafuta uye mamwe maindasitiri.

Hunhu hukuru hweHydroxyethyl cellulose(HEC)Zviri pachena kuti inogona kunyungudutswa mumvura inotonhora nemvura inopisa, uye haina hunhu hwegel. Ine mhando dzakasiyana dzekuchinja, kunyunguduka uye kusimba. Ine kugadzikana kwakanaka kwekupisa (pasi pe140°C) uye haiburitse mvura kana mamiriro eacidic. Mushonga wehydroxyethyl cellulose unogona kugadzira firimu rinoonekera, rine zvinhu zvisiri zveionic zvisingashande nemaion uye zvine hukama hwakanaka.

Tsanangudzo yeKemikari

Zvigadzirwa Magiredhi 

CMaitiro eHEC

1.Kukora

HEC chinhu chakanakira kukora machira nezvizoro. Mukushandiswa kwacho, kusanganiswa kwekukora nekumisa, kuchengetedzeka, kupararira, uye kuchengetwa kwemvura kuchaita kuti pave nemigumisiro yakanaka.

2.Kusanyatsogadzirwa kwepurasitiki

Pseudoplasticity zvinoreva hunhu hwekuti viscosity yemushonga inoderera nekuwedzera kwekumhanya. Pendi yelatex ine HEC iri nyore kushandisa nemabhurashi kana maroller uye inogona kuwedzera kutsvedzerera kwepamusoro, izvo zvinogonawo kuwedzera kushanda zvakanaka; mashampoo ane HEC ane kuyerera kwakanaka uye akasimba, ari nyore kunyungudutsa, uye ari nyore kuparadzira.

3.Kushivirira munyu

HEC yakasimba zvikuru mumunyu une huwandu hwakawanda uye haiori kuita ionic state. Kana ikashandiswa mu electroplating, pamusoro pezvikamu zvakafukidzwa zvinogona kuve zvakakwana uye zvakajeka. Chinonyanya kukosha ndechekuti ichiri ne viscosity yakanaka kana ikashandiswa mu latex pendi ine borate, silicate uye carbonate.

4.Kugadzira mafirimu

Hunhu hweHEC hwekugadzira firimu hunogona kushandiswa mumaindasitiri akawanda. Mumabasa ekugadzira mapepa, kuputira neHEC-containing glazing agent kunogona kudzivirira kupinda kwemafuta, uye kunogona kushandiswa kugadzirira mhinduro dzezvimwe zvinhu zvekugadzira mapepa; mukuita kwekutenderera, HEC inogona kuwedzera kusimba kwemafiber uye kuderedza kukuvara kwemuchina kwairi. Mukuita saizi, kudhaya uye kupedzisa jira, HEC inogona kushanda sefirimu rekudzivirira kwenguva pfupi. Kana dziviriro yayo isingadiwi, inogona kusukwa kubva pafiber nemvura.

5.Kuchengetwa kwemvura

HEC inobatsira kuchengetedza hunyoro hwemuchina uri mumamiriro akanaka. Nekuti huwandu hushoma hweHEC mumushonga wemvura hunogona kuchengetedza mvura zvakanaka, zvekuti muchina unoderedza kudiwa kwemvura panguva yekubatanidza. Pasina kuchengetedza mvura nekunamatira, simende inoderedza simba rayo uye kubatana kwayo, uye ivhu rinoderedzawo kupfava kwayo pasi pekumanikidzwa kwakati.

Mashandisirwo

1.Pendi yeLatex

Hydroxyethyl cellulose ndiyo inonyanya kushandiswa mu latex coatings. Pamusoro pekukora latex coatings, inogonawo kusanganisa, kuparadzira, kudzikamisa uye kuchengetedza mvura. Inoratidzwa nekukora kwakakosha, kukura kwakanaka kwemavara, hunhu hwekugadzira firimu uye kugadzikana kwekuchengetedza. Hydroxyethyl cellulose imhando ye cellulose isiri ionic uye inogona kushandiswa mu pH yakakura. Inoenderana zvakanaka nezvimwe zvinhu zviri muchikamu (senge pigments, additives, fillers uye salts). Coatings dzakakora ne hydroxyethyl cellulose dzine rheology yakanaka uye pseudoplasticity pamatanho akasiyana-siyana ekuchekerera. Nzira dzekuvaka dzakadai sekukwesha, roller coating uye spraying dzinogona kushandiswa. Kuvaka kwakanaka, hakusi nyore kudonhedza, kudonha uye kupwanya, uye hunhu hwekuyera hwakanakawo.

2.Kugadziriswa kwePolymerization

Hydroxyethyl cellulose ine mabasa ekuparadzira, emulsifying, suspend uye stabilizing mu polymerization kana copolymerization component ye synthetic resin, uye inogona kushandiswa se colloid inodzivirira. Inoratidzwa nekukwanisa kwayo kukuru kuparadzira, chigadzirwa chinobuda chine "firimu" diki, saizi diki yezvikamu, chimiro chakafanana chezvikamu, chimiro chakasununguka, kuyerera kwakanaka, kujeka kwechigadzirwa, uye nyore kugadzirisa. Sezvo hydroxyethyl cellulose ichigona kunyungudutswa mumvura inotonhora nemvura inopisa uye isina gelation temperature point, yakakodzera zvakanyanya kune akasiyana polymerization reactions.

Hunhu hwakakosha hwemuchina we dispersant ndeyekumanikidzwa kwepamusoro (kana kuti pakati pechiso), simba repakati pechiso uye tembiricha ye gelation yemvura yayo. Hunhu uhwu hwe hydroxyethyl cellulose hwakakodzera polymerization kana copolymerization yema synthetic resins.

Hydroxyethyl cellulose inoenderana zvakanaka nedzimwe ethers dze cellulose dzinonyungudika mumvura uye PVA. Sisitimu inoumbwa neizvi inogona kuwana mhedzisiro yakazara yekuwedzera kusasimba kweumwe neumwe. Chigadzirwa che resin chakagadzirwa mushure mekubatanidzwa hachina chete mhando yakanaka, asiwo chinoderedza kurasikirwa kwezvinhu.

3.Kuchera mafuta

Mukuchera nekugadzira mafuta, hydroxyethyl cellulose ine viscosity yakanyanya inoshandiswa zvakanyanya se viscosifier yekuzadza mvura uye kupedzisa mvura. Hyxyethyl cellulose ine viscosity yakaderera inoshandiswa semushonga wekurasikirwa nemvura. Pakati pemadhaka akasiyana-siyana anodiwa pakuchera, kupedzisa, kusimbisa uye kupwanya, hydroxyethyl cellulose inoshandiswa semushonga wekukora kuti iwane kuyerera kwakanaka uye kugadzikana kwedhaka. Panguva yekuchera, kugona kwekutakura dhaka kunogona kuvandudzwa, uye hupenyu hwebasa re drill bit hunogona kuwedzerwa. Mumadhaka ekupedzisa asina simba rakawanda uye kusimbisa mvura, hydroxyethyl cellulose inodzikisa kurasikirwa nemvura inogona kudzivirira mvura yakawanda kupinda mudhaka remafuta kubva mudhaka uye inovandudza kugona kwekugadzira dhaka remafuta.

4.Indasitiri yemakemikari yezuva nezuva

Hydroxyethyl cellulose ipurasitiki inoshanda, inosunga, inosimbisa, inosimbisa uye inoparadzira mushampoo, maspray ebvudzi, ma neutralizer, ma hair conditioner uye zvizoro; mu detergent powders Medium imushonga unodzoreredza tsvina. Hydroxyethyl cellulose inonyunguduka nekukurumidza pakupisa kwakanyanya, izvo zvinogona kukurumidzisa kugadzirwa uye kuvandudza kushanda zvakanaka kwekugadzira. Chinhu chiri pachena che detergents dzine hydroxyethyl cellulose ndechekuti dzinogona kuvandudza kutsvedzerera uye mercerization yemachira.

5 Chivako

Hydroxyethyl cellulose inogona kushandiswa muzvigadzirwa zvekuvaka zvakaita semusanganiswa wekongiri, dhaka idzva rakasanganiswa, gypsum plaster kana zvimwe zvidhinha, nezvimwewo, kuchengetedza mvura panguva yekuvaka isati yaoma uye yaoma. Pamusoro pekuvandudza kuchengetwa kwemvura kwezvigadzirwa zvekuvaka, hydroxyethyl cellulose inogonawo kuwedzera nguva yekugadzirisa uye yekuvhurika kwedhaka kana simende. Inogona kuderedza ganda, kutsvedza uye kudzika. Izvi zvinogona kuvandudza mashandiro ekuvaka, kuwedzera kushanda zvakanaka kwebasa, kuchengetedza nguva, uye panguva imwe chete kuwedzera kugona kwedhaka, nokudaro kuchengetedza zvinhu zvakagadzirwa.

6 Kurima

Hydroxyethyl cellulose inoshandiswa mu emulsion yezvipembenene uye mu suspension formulations, se thickener ye spray emulsions kana suspensions. Inogona kuderedza kufamba kwemushonga uye kuita kuti ubatanidzwe zvakasimba pamusoro pemashizha emuti, nokudaro ichiwedzera simba rekushandiswa kwe spray yemashizha. Hydroxyethyl cellulose inogonawo kushandiswa se fil-forming agent ye seed coating coating coating; se binder uye fil-forming agent ye fodya recycling shizha.

7 Bepa neinki

Hydroxyethyl cellulose inogona kushandiswa semushonga wehukuru papepa nekadhibhodhi, pamwe chete nemushonga wekukora nekurembedza inki dzinobva mumvura. Mukugadzira mapepa, hunhu hwepamusoro hwehydroxyethyl cellulose hunosanganisira kuenderana nemagum akawanda, resins nemunyu usingashandiswi, furo shoma, kushandiswa kweokisijeni shoma uye kugona kugadzira firimu repamusoro rakatsetseka. Firimu iri haripindi mvura zvakanyanya uye rinopenya zvakanyanya, uye rinogonawo kuderedza mitengo. Pepa rakanamirwa nehydroxyethyl cellulose rinogona kushandiswa kudhinda mifananidzo yemhando yepamusoro. Mukugadzira inki inobva mumvura, inki inobva mumvura inokora nehydroxyethyl cellulose inooma nekukurumidza, ine ruvara rwakanaka, uye haikonzeri kunamira.

Machira masere

Inogona kushandiswa semushonga wekubatanidza nekuisa saizi mukudhinda nekuisa saizi yejira uye kugadzira latex coating; mushonga wekukora wekuisa saizi kumashure kwekapeti. Mugirazi fiber, inogona kushandiswa semushonga wekugadzira nekuisa namati; muganda, inogona kushandiswa semugadziri wechinhu chinonamira uye chinonamira. Ipa huwandu hwakasiyana hwe viscosity yekuisa kana kunamira uku, inoita kuti kupfekedza kuve kwakafanana uye kunamatira nekukurumidza, uye inogona kuvandudza kujeka kwekudhinda nekuisa dhayi.

9 Zviumbwa zvesimbi

Inogona kushandiswa kugadzira manamatiro ane simba guru ezvigadzirwa zveceramic.

10.mushonga wemazino

Inogona kushandiswa sechinhu chinosimbisa mazino mukugadzira mazino.

Kurongedza: 

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