Focus on Cellulose ethers

Ntchito yomanga HEMC

Kalasi yomanga ya HEMC Hydroxyethyl Methyl Cellulose imadziwika kuti Methyl Hydroxyethyl Cellulose(MHEC), ndi ufa woyera kapena wosayera, wopanda fungo komanso wosakoma, wosungunuka M'madzi onse otentha ndi madzi ozizira.Zomangamanga za HEMC zitha kugwiritsidwa ntchito ngati simenti, gypsum, gelling agent, posungira madzi, ndizophatikizira zabwino kwambiri zomangira ufa.

Aliases: hydroxyethyl methyl cellulose;hydroxyethyl methyl cellulose;hydroxymethyl ethyl cellulose;2-hydroxyethyl methyl ether cellulose, methylhydroxyethyl cellulose;Ma cellulose;2-hydroxyethyl methyl ether;HEMC;

Hydroymethylmethylecellulose;hydroxyethyl methyl cellulose;hydroxymethyl ethyl cellulose.

Kulembetsa kwa CAS: 9032-42-2

Kapangidwe ka Molecular:

 

Zogulitsa:

1. Maonekedwe: HEMC ndi yoyera kapena pafupifupi ufa woyera;zopanda fungo komanso zosakoma.

2. Kusungunuka: Mtundu wa H mu HEMC ukhoza kusungunuka m'madzi pansi pa 60 ℃, ndipo mtundu wa L ukhoza kusungunuka m'madzi ozizira.HEMC ndi yofanana ndi HPMC ndipo sisungunuka mu zosungunulira zambiri za organic.Pambuyo pa chithandizo chapamwamba, HEMC imabalalika m'madzi ozizira popanda agglomeration ndikusungunula pang'onopang'ono, koma imatha kusungunuka mwamsanga mwa kusintha mtengo wake wa PH kukhala 8-10.

3. Kukhazikika kwa mtengo wa PH: Kuwoneka kwa viscosity kumasintha pang'ono mkati mwa 2-12, ndipo kukhuthala kumachepetsedwa kupitirira izi.

4. Fineness: kuchuluka kwa ma mesh 80 ndi 100%;kuchuluka kwa 100 mesh ndi ≥99.5%.

5. Mphamvu yokoka yabodza: ​​0.27-0.60g / cm3.

6. Kutentha kwa kutentha kumakhala pamwamba pa 200 ℃, ndipo kumayamba kutentha pa 360 ℃.

7. HEMC ili ndi kukhuthala kwakukulu, kukhazikika kwa kuyimitsidwa, kufalikira, kugwirizanitsa, kuumba, kusunga madzi ndi makhalidwe ena.

8. Chifukwa mankhwalawa ali ndi gulu la hydroxyethyl, kutentha kwa gel osakaniza kumafika 60-90 ℃.Kuphatikiza apo, gulu la hydroxyethyl lili ndi hydrophilicity yayikulu, yomwe imapangitsanso kuti mtengo wolumikizana ukhale wabwino.Makamaka pakumanga kotentha ndi kutentha kwambiri m'chilimwe, HEMC imakhala ndi madzi osungira madzi kuposa methyl cellulose ya viscosity yomweyi, ndipo madzi osungira madzi si osachepera 85%.

 

Gulu la Zamgulu   

Mtengo wa HEMC Viscosity

(NDJ, mPa.s, 2%)

Viscosity

(Brookfield, mPa.s, 2%)

Chithunzi cha HEMC MH60M 48000-72000 24000-36000
HEMC MH100M 80000-120000 40000-55000
Chithunzi cha HEMC MH150M 120000-180000 55000-65000
HEMC MH200M 160000-240000 Pafupifupi 70000
Chithunzi cha HEMC MH60MS 48000-72000 24000-36000
Chithunzi cha HEMC MH100MS 80000-120000 40000-55000
Chithunzi cha HEMC MH150MS 120000-180000 55000-65000
Chithunzi cha HEMC MH200MS 160000-240000 Pafupifupi 70000

 

 

Kufunika

Monga chinthu chogwira ntchito pamwamba, hydroxyethyl methyl cellulose HEMC ili ndi zizindikiro zotsatirazi kuwonjezera pa kukhuthala, kuyimitsa, kumanga, kutsekemera, kupanga mafilimu, kufalitsa, kusunga madzi ndi kupereka ma colloids oteteza:

(1) Hydroxyethyl methyl cellulose HEMC imasungunuka m'madzi otentha kapena ozizira, ndikupangitsa kuti ikhale ndi mitundu yambiri ya solubility ndi viscosity, ndiko kuti, gelation yopanda kutentha;

(2) Hydroxyethyl methyl cellulose HEMC imatha kukhala limodzi ndi ma polima ena osungunuka m'madzi, ma surfactants, ndi mchere, ndipo ndi thickener yabwino kwambiri yothetsera ma electrolyte apamwamba kwambiri;

(3) HEMC ili ndi madzi osungira madzi amphamvu kuposa methyl cellulose, ndipo kukhazikika kwake kwa viscosity, dispersibility, ndi mildew kukana zimakhala zamphamvu kuposa za hydroxyethyl cellulose.

 

Njira yokonzekera yankho

(1) Onjezani kuchuluka kwa madzi oyera mumtsuko;

(2) Onjezani hydroxyethyl methyl cellulose HEMC pansi pa kusonkhezera pang'ono-liwiro, ndi kusonkhezera mpaka hydroxyethyl methyl cellulose itasungunuka mofanana;

(3) Poyang'ana deta yathu yoyesera luso, tikulimbikitsidwa kuti tiwonjezere pambuyo pa emulsion ya polima (ie, hydroxyethyl methyl cellulose HEMC imasakanizidwa kale ndi ethylene glycol kapena propylene glycol).

 

Uszaka

 

Muzomangamanga zamafakitale, kalasi yomanga ya HEMC ndiyoyenera zomatira matailosi, pulasitala simenti, matope osakanizika owuma, kudziwongolera, pulasitala ya gypsum, utoto wa latex, zomangira zomangira, minda ina yomanga, kubowola mafuta, zinthu zosamalira anthu, zoyeretsa, ndi zina zambiri. , omwe amagwiritsidwa ntchito ngati thickeners, zoteteza, zomatira, stabilizers, ndi suspending agents Angagwiritsidwenso ntchito ngati gels hydrophilic, zipangizo masanjidwewo, kukonzekera masanjidwewo mtundu mosalekeza kumasulidwa kukonzekera, ndipo angagwiritsidwenso ntchito monga stabilizers mu zakudya, etc. .

 

Packaging ndi kusunga

(1) ankanyamula mu pepala-pulasitiki gulu polyethylene thumba kapena thumba pepala, 25KG / thumba;

(2) Onetsetsani kuti mpweya ukuyenda m'malo osungiramo, pewani kuwala kwadzuwa, ndipo pewani kumagwero amoto;

(3) Chifukwa hydroxyethyl methyl cellulose HEMC ndi hygroscopic, siyenera kuwululidwa ndi mpweya.Zinthu zomwe sizinagwiritsidwe ntchito ziyenera kusindikizidwa ndikusungidwa, ndi kutetezedwa ku chinyezi.

20'FCL: 12Ton yokhala ndi palletized, 13.5Ton yopanda palletized.

40'FCL: 24Ton yokhala ndi palletized, 28Ton yopanda palletized.


Nthawi yotumiza: Nov-26-2023
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