Mokhahlelo oa ho haha ​​​​MHEC

Boemo ba ho aha MHEC

Mophato oa ho haha ​​​​MHEC Methyl HydroxyethylCelluloseke phofo e tšoeu e sa nkheng, e sa latsoeheng, e se nang chefo e ka qhibilihang metsing a batang ho etsa tharollo e hlakileng ea viscous. E na le litšoaneleho tsa ho teteana, ho kopanya, ho qhalakanngoa, emulsification, ho thehoa ha filimi, ho emisoa, adsorption, gelation, mosebetsi oa holim'a metsi, ho boloka mongobo le colloid e sireletsang. Kaha tharollo ea metsi e na le ts'ebetso e sebetsang ka holim'a metsi, e ka sebelisoa e le moemeli oa tšireletso ea colloidal, emulsifier le dispersant. Mokhahlelo oa ho haha ​​​​MHEC methyl Hydroxyethylcellulose aqueous solution e na le hydrophilicity e ntle ebile ke sesebelisoa se sebetsang sa ho boloka metsi. Hydroxyethyl methyl cellulose e na le lihlopha tsa hydroxyethyl, kahoo e na le bokhoni bo botle ba ho thibela hlobo, ho ba le botsitso bo botle ba viscosity le ho thibela hlobo nakong ea polokelo ea nako e telele.

Lintho tsa 'mele le tsa lik'hemik'hale:

Ponahalo: MHEC e tšoeu kapa e batla e le tšoeu fibrous kapa granular powder; e senang monko.

Solubility: MHEC e ka qhibiliha ka metsing a batang le metsi a chesang, mohlala oa L o ka qhibiliha feela metsing a batang, MHEC ha e khone ho qhibiliha ka har'a li-solvents tse ngata. Ka mor'a ho phekola ka holim'a metsi, MHEC e qhala ka metsing a batang ntle le ho kopana, 'me e qhibiliha butle-butle, empa e ka qhibiliha ka potlako ka ho fetola boleng ba eona ba PH ea 8 ~ 10.

PH botsitso: Viscosity e fetoha hanyane ka har'a sebaka sa 2 ~ 12, mme viscosity e fokotseha ho feta mofuta ona.

Granularity: 40 mesh pass rate ≥99% 80 mesh pass rate 100%.

Boima bo bonahalang: 0.30-0.60g / cm3.

Lihlahisoa tsa Lihlopha

Kopo 

Mokhahlelo oa ho haha ​​​​MHEC methyl Hydroxyethyl cellulose e ka sebelisoa e le colloid e sireletsang, emulsifier le dispersant ka lebaka la ts'ebetso ea eona e sebetsang ka holim'a metsi a eona a metsi. Mehlala ea ts'ebeliso ea eona ke e latelang:

1. Phello ea methylhydroxyethylcellulose mosebetsing oa samente.Mokhahlelo oa ho haha ​​​​MHEC methylHydroxyethylcellulose ke phofo e tšoeu e se nang monko, e se nang chefo, e se nang chefo e ka qhibilihang metsing a batang ho etsa tharollo e hlakileng ea viscous. E na le litšoaneleho tsa ho teteana, ho kopanya, ho qhalakanngoa, emulsification, ho thehoa ha filimi, ho emisoa, adsorption, gelation, mosebetsi oa holim'a metsi, ho boloka mongobo le colloid e sireletsang. Kaha tharollo ea metsi e na le ts'ebetso e sebetsang ka holim'a metsi, e ka sebelisoa e le colloid e sireletsang, emulsifier le dispersant.Mokhahlelo oa ho haha ​​​​MHEC methyl Hydroxyethyl cellulose aqueous solution e na le hydrophilicity e ntle 'me ke mokhoa o sebetsang oa ho boloka metsi.
2. Lokisetsa pente ea liphallelo e nang le phetoho e phahameng, e entsoeng ka likarolo tse latelang ka boima ba lisebelisoa tse tala: 150-200g ea metsi a deionized; 60-70g ea emulsion e hloekileng ea acrylic; 550-650g ea k'halsiamo e boima; 70-90g ea talc; 30-40g ea methyl cellulose aqueous solution; 10-20g ea tharollo ea metsi a lignocellulose; 4-6g ea lithuso tsa ho etsa lifilimi; 1.5-2.5g ea fungicide e bolaeang likokoana-hloko; 1.8-2.2g ea dispersant; 1.8-2.2g ea moemeli oa ho kolobisa; Thickener 3.5-4.5g; ethylene glycol 9-11g; Mokhahlelo oa Moaho oa MHEC oa metsi o entsoe ka 2-4% Mokhahlelo oa Mohaho oa MHEC o qhibilihisitsoeng ka metsing; thefiber ea cellulosetharollo ea metsi e entsoe ka 1 -3%fiber ea cellulosee entsoeng ka ho qhibidiha ka metsing.

Mokhoa oa ho hlahisaMokhahlelo oa ho haha ​​​​MHEC?

Thetlhahisomokhoa oa Ho haha ​​​​grade MHEC methyl hydroxyethyl cellulose ke hore k'hothone e hloekisitsoeng e sebelisoa e le thepa e tala 'me ethylene oxide e sebelisoa e le etherifying agent ho lokisetsa Mohaho oa Mohaho oa MHEC. Lisebelisoa tse tala bakeng sa ho lokisetsa Mokhahlelo oa Mohaho oa MHEC li hlophisitsoe ka likarolo ka boima ba 'mele: likarolo tse 700-800 tsa toluene le isopropanol e le solvent, likarolo tse 30-40 tsa metsi, likarolo tse 70-80 tsa sodium hydroxide, likarolo tse 80-85 tsa k'hothone e hloekisitsoeng, selikalikoe sa 20-28 likarolo tsa oxyethane, likarolo tse 80-90 tsa methyl chloride, likarolo tse 16-19 tsa glacial acetic acid; mehato e khethehileng ke e latelang:

Mohato oa pele, eketsa motsoako oa toluene le isopropanol, metsi, le sodium hydroxide ka kettle ea karabelo, phahamisa mocheso ho 60-80 ° C, 'me ue boloke metsotso e 20-40;

Mohato oa bobeli, alkalization: pholisa lisebelisoa tse ka holimo ho 30-50 ° C, eketsa k'hothone e hloekisitsoeng, fafatsa ka motsoako oa toluene le isopropanol, u fallele ho 0.006Mpa, tlatsa naetrojene bakeng sa libaka tse 3, 'me u etse alkalis ka mor'a ho fetola maemo a alkalization. ke tse latelang: nako ea alkalization ke lihora tse 2, 'me mocheso oa alkalization ke 30 ℃-50℃;

Mohato oa boraro, etherification: ka mor'a alkalization, reactor e fallisetsoa ho 0.05～0.07MPa, ethylene oxide le methyl chloride lia eketsoa 'me li bolokiloe bakeng sa 30.～Metsotso e 50; mohato oa pele oa etherification: 40～60℃, 1.0～Lihora tsa 2.0, khatello e laoloa pakeng tsa 0.15-0.3Mpa; mokhahlelo oa bobeli oa etherification: 60～90℃, 2.0～Lihora tse 2,5, khatello e laoloa pakeng tsa 0.4-0.8Mpa;

Mohato oa bone, ho se nke lehlakore: eketsa metered glacial acetic acid esale pele ho desolventizer, tobetsa ka har'a lintho tse etherified bakeng sa ho se nke lehlakore, eketsa mocheso ho 75.～80℃ bakeng sa ho qhibiliha, mocheso o tla nyolohela ho 102 ℃, 'me boleng ba pH bo tla ba 68. Ha ho phethoa ho phethoa; tlatsa ketlele ea ho senya ka metsi a pompo a hloekisitsoeng ke sesebelisoa sa reverse osmosis ho 90 ℃.～100℃;

Mohato oa bohlano, ho hlatsoa centrifugal: lisebelisoa tsa mohato oa bone li centrifuged ke sekoti sa centrifuge se otlolohileng, 'me lisebelisoa tse arohaneng li fetisetsoa ho kettle ea ho hlatsoa e tletseng metsi a chesang esale pele bakeng sa ho hlatsoa thepa;

Mohato oa botšelela, ho omisa centrifugal: lisebelisoa tse hlatsoitsoeng li fetisetsoa ka har'a se omisitsoeng ka sekontiri se otlolohileng, lisebelisoa li omisitsoe ho 150-170 ° C, 'me lisebelisoa tse omisitsoeng li phunyeletsoa le ho kenngoa.

Ha ho bapisoa le theknoloji e teng ea tlhahiso ea cellulose ether, ea hona joalemokhoa oa tlhahisoe sebelisa ethylene oxide e le etherifying agent ho lokisetsa Mokhahlelo oa Mohaho oa MHEC methyl hydroxyethyl cellulose, 'me kaha e na le lihlopha tsa hydroxyethyl, e na le bokhoni bo botle ba ho thibela likokoana-hloko. Botsitso bo botle ba viscosity le ho hanyetsa hlobo nakong ea polokelo ea nako e telele. E ka nkela li-ether tse ling tsa cellulose sebaka.

Bho sebetsa kereiti ea MHECke lintho tse tsoang ho cellulose ether,Cellulose ether ke polymer e ntle ea lik'hemik'hale e nang le mefuta e mengata ea tšebeliso e entsoeng ka selulose ea tlhaho ea polymer ka phekolo ea lik'hemik'hale. Ho tloha ha cellulose nitrate le cellulose acetate li entsoe lekholong la 19th, litsebi tsa k'hemistri li thehile letoto la li-cellulose tse nkiloeng ho cellulose ethers. Libaka tse ncha tsa kopo li lula li sibolloa mme mafapha a mangata a indasteri a ameha. Lihlahisoa tsa cellulose ether tse kang sodium carboxymethyl cellulose (CMC), ethyl cellulose (EC), hydroxyethyl cellulose (HEC), hydroxypropyl cellulose (HPC), methyl hydroxyethyl cellulose (MHEC) Le methyl hydroxypropyl cellulose (MHPC) le li-cellulose tse ling li tsejoa e le cellulose ethers. "industrial monosodium glutamate" le boemo ba moaho MHEC e sebelisitsoe haholo ho sekhomaretsi sa lithaele, seretse se omeletseng, samente le gypsum plasters joalo-joalo.

Sephutheloana:

25kg mekotla ea pampiri ka hare le mekotla ea PE.

20'FCL: 12Ton e nang le palletized, 13.5Ton ntle le palletized.

40'FCL: 24Ton e nang le palletized, 28Ton ntle le palletized.