Ukucaciswa Okubalulekile Nezakhiwo Zekhemikhali

Ukucaciswa okujwayelekile kwe-HEC (kungenziwa ngokwezifiso ngezidingo zemboni):

• Inombolo ye-CAS: 9004-62-0

• Inombolo ye-EINECS: 222-634-2

• I-Chemical Formula: (C₂H₆O₂)ₙ

• Isisindo samangqamuzana: 10,000–2,000,000 (siyahlukahluka ngeziqu ze-polymerization)

• Ukubukeka: Okumhlophe kuya kokuphuzi okuphaphathekile okuyi-fibrous/powdery solid, akukho ukungcola okubonakalayo

• I-Solubility: Incibilika emanzini abandayo/ashisayo (isixazululo esicacile se-viscous); engancibiliki ezincibilikisini eziningi eziphilayo

• Ukuminyana: 1.30–1.40 g/cm³ (inqwaba: 0.5–0.7 g/cm³)

• Okuqukethwe Umswakama: ≤5.0%

• I-pH Inani: 6.0–8.0 (1% isixazululo esinamanzi, 25℃)

• I-Viscosity Range: 50–100,000 mPa·s (2% isixazululo esinamanzi, 25℃), enziwe ngendlela oyifisayo

• I-Sustitution Degree (DS): 1.5–2.5

• Isilinganiso Sokudlula Sesikrini (40 mesh): ≥99%

• Ukuzinza Kwe-Thermal: Izinzile ngaphansi kwe-130 ℃; ibola ngaphezu kwe-180 ℃ (ayikho i-gelation eshisayo)

• I-Flash Point: ≥150℃ (inkomishi evaliwe)

Izinzuzo Eziyinhloko

Izinzuzo ezibalulekile ze-HEC:

• Ukunyibilika Kwamanzi Okuhle Kakhulu: Kuncibilika emanzini abandayo/ashisayo, akukho mvula ebilayo, i-gelation engashisi.

• Ukuqina Okuphakeme Nokugcinwa Kwamanzi: Umphumela wokujiya onamandla; ukugcinwa kwamanzi okuphindwe kabili kune-methyl cellulose.

• Ukuvumelana Okuqinile: Okungeyona i-ionic, kuhambisana nama-polymers ancibilika emanzini, ama-surfactants nosawoti (ofanele izixazululo ze-electrolyte ephezulu).

• Ikhono Elihle Lokuvikela I-Colloid & Emulsifying: Izinzisa ama-emulsions / dispersions, kangcono kune-methyl/hydroxypropyl cellulose.

• Izakhiwo Zamakhemikhali Ezizinzile: Ukumelana ne-Acid/alkali (pH 2–12), ukuzinza okuhle kwe-thermal, akukho ukushisisa kwe-gelation.

• Iphephile futhi Ayinabuthi: Ayinaphunga, ayicunuli, ithobela izindinganiso zamazwe ngamazwe (ifanele izinsiza zansuku zonke zamakhemikhali/ukudla/zemithi).

• Kulula Ukucutshungulwa: I-HEC eguquliwe ngaphezulu ihlakaza emanzini abandayo ngaphandle kokuhlangana.

Izinkambu Zokusebenza

Izimo zohlelo lokusebenza ze-HEC ezibalulekile:

1. Imboni Yokumba Kawoyela

• I-Thickener yokumba udaka, ukuthuthukisa uketshezi nokuzinza.

• Ithuthukisa umthamo wokuthwala udaka, ivimbele ukugeleza kwamanzi abe yizingqimba zikawoyela.

• Isetshenziswa ekufakweni kukasimende/kuqhekeka kahle ukuze kuthuthukiswe ukusebenza kahle kanye nokuzinza kwe-wellbore.

2. Imboni Yezingubo Neziyinki

• I-protective colloid/thickener yezingubo ezisekelwe emanzini, ukuthuthukisa ukuzinza nokuhlakazeka kwe-pigment.

• Ithuthukisa ukwakheka kwefilimu, ukumelana namanzi kanye nokumelana nesimo sezulu kwezingubo.

• Isheshisa ukomisa futhi ivimbele ukungena kumayinki asekelwe emanzini.

3. Imboni Yezokwakha

• I-Thickener/binder yodaka lukasimende negypsum, ithuthukisa ukusebenza kanye namandla okubopha.

• Inweba isikhathi sokuhwamuka kwamanzi, ivimbele ukuqhekeka, ikhuphule amandla okuqala.

• Ithuthukisa ukugcinwa kwamanzi nokusebenza kokwakhiwa kwe-putty, i-adhesive tile.

4. Daily Chemical Industry

• Isetshenziswa kuma-shampoos, igeza umzimba njenge-thickener kanye ne-stabilizer, ithuthukisa i-viscosity nokuthungwa.

• Kwengezwe kumakhilimu, okokugcoba kanye nomuthi wokuxubha ukuze kuthuthukiswe ukuzinza nokusebenziseka.

5. Ezinye Izimboni

• Imboni yezindwangu: I-ejenti yokulinganisa kanye ne-ejenti yokuqedela, ithuthukisa ukuthamba kwendwangu namandla.

• Imboni yokwenza amaphepha: I-ejenti yokulinganisa indawo, ithuthukisa ukushelela kwephepha nokumelana namanzi.

• I-polymerization: I-colloid evikelayo ye-emulsion polymerization, iqinisekisa ukuzinza komkhiqizo.

Imibuzo Evame Ukubuzwa (FAQs)

Imibuzo evamile mayelana ne-HEC CAS 9004-62-0:

Q1: Uyini umehluko phakathi kwe-HEC namanye ama-cellulose ethers (isb, i-HPMC, i-MC)?

A: I-HEC incibilika ngokuphelele emanzini abandayo nashisayo (ayikho i-gelation eshisayo), kuyilapho ijeli ye-HPMC/MC lapho ishiswa. I-HEC inokugcinwa kwamanzi okungcono nokusebenza kwe-colloid evikelayo kune-MC, nokuhambisana okunamandla nama-electrolyte kune-HPMC.

Q2: Indlela yokuhlakaza i-HEC ngaphandle kokuhlanganisa?

A: Hlanganisa i-HEC ne-inert powder (1:5–1:10) ukuze unciphise, bese wengeza kancane kancane emanzini abandayo ashisayo (≥200 rpm) kuze kuqedwe ngokuphelele. I-HEC eguquliwe ebusweni ingafakwa ngokuqondile emanzini abandayo ngokunyakazisa.

Q3: Iyini impilo yeshelufu ye-HEC nendlela yokugcina?

A: Impilo yeshelufu yizinyanga ezingama-24. Gcina endaweni epholile, eyomile, engenawo umoya (RH ≤60%), emaphaketheni avaliwe, kude nokushisa, ukukhanya nomswakama. Gwema ukuxubana nama-asidi/ama-alkali aqinile.

Q4: Ingabe i-HEC iphephile ekudleni nasekusetshenzisweni kwemithi?

A: Yebo. I-HEC ayinabo ubuthi, ayicunuli, ihambisana namazinga e-FDA kanye ne-WHO, futhi ingasetshenziswa njengensiza ezimbonini zokudla nezokuthaka imithi.

I-Q5: Ingabe i-HEC's viscosity kanye ne-substitution degree ingenziwa ngezifiso?

A: Yebo. I-Viscosity (50–100,000 mPa·s) kanye ne-substitution degree (1.5–2.5) ingalungiselelwa ukuhlangabezana nezidingo ezithile zomkhakha.

I-Q6: Kuyini ukupakishwa okujwayelekile kwe-HEC?

A: Okujwayelekile: 25kg/isikhwama (isikhwama esilukiwe esivikela umswakama esine-PE liner). Ukupakisha ngokwezifiso (1kg/5kg/10kg) kuyatholakala.

I-Q7: Ingabe i-HEC iyahambisana nezixazululo ze-electrolyte ephezulu?

A: Yebo. Imvelo ye-HEC engeyona i-ionic iyenza ihambisane nezixazululo ze-electrolyte ephezulu, ezifanele izinhlelo zokusebenza ezinosawoti noma ama-surfactants.

Xhumana nathi

Ukuze uthole imibuzo mayelana ne-HEC (imininingwane, ukwenza ngokwezifiso, amanani, amasampula), xhumana nathi ukuze uthole ukwesekwa kochwepheshe.

• I-imeyili: lisa@aozunchem.com

• Wechat/WhatsApp: +86-186 5121 5887

Sibheke ngabomvu ukubambisana nawe!