Babban darajar HEMC

Babban darajar HEMCHydroxyethylMethylChaskeAn san shi da Methyl Hydroxyethyl Cellulose (MHEC), shifari ne ko fari fari, mara wari kuma mara daɗi, mai narkewaA cikin ruwan zafi da ruwan sanyi. Gine-gine na HEMC na iya zamaAn yi amfani da shi azaman siminti, gypsum, lemun tsami gelling wakili, mai riƙe da ruwa, yana da kyau mai kyau ga kayan gini na foda.

AAbubuwan da ke ciki: hydroxyethyl methyl cellulose; hydroxyethyl methyl cellulose; hydroxymethyl ethyl cellulose; 2-hydroxyethyl methyl ether cellulose, Methylhydroxyethylcellulose; Cellulose; 2-hydroxyethyl methyl ether; HEMC;

Hydroymethylecellulose; hydroxyethyl methyl cellulose; hydroxymethyl ethyl cellulose.

Lambar CAS: 9032-42-2

Tsarin Kwayoyin Halitta:

Siffofin samfur:

1. Bayyanar: HEMC fari ne ko kusan fari foda; mara wari da ban sha'awa.

2. Solubility: Ana iya narkar da nau'in H a cikin HEMC a cikin ruwa da ke ƙasa da 60 ℃, kuma nau'in L kawai za'a iya narkar da shi a cikin ruwan sanyi. HEMC iri daya ne da HPMC kuma ba shi da narkewa a yawancin kaushi na halitta. Bayan jiyya na sama, HEMC ya watse a cikin ruwan sanyi ba tare da haɓakawa ba kuma yana narkewa a hankali, amma ana iya narkar da shi da sauri ta daidaita ƙimar PH zuwa 8-10.

3. Ƙimar darajar PH: Dankin yana canzawa kadan a cikin kewayon 2-12, kuma danko yana raguwa fiye da wannan kewayon.

4. Fineness: ƙimar wucewa na raga 80 shine 100%; Adadin wucewa na raga 100 shine ≥99.5%.

5. Ƙarya takamaiman nauyi: 0.27-0.60g / cm3.

6. The bazuwar zafin jiki ne sama da 200 ℃, kuma yana fara ƙone a 360 ℃.

7. HEMC yana da gagarumin thickening, dakatar da kwanciyar hankali, dispersibility, cohesiveness, moldability, ruwa rike da sauran halaye.

8. Saboda samfurin ya ƙunshi ƙungiyar hydroxyethyl, gel zazzabi na samfurin ya kai 60-90 ℃. Bugu da ƙari, ƙungiyar hydroxyethyl tana da babban hydrophilicity, wanda kuma ya sa samfurin haɗin gwiwa yayi kyau. Musamman ma a cikin zafi mai zafi da zafin jiki na ginawa a lokacin rani, HEMC yana da mafi girman riƙewar ruwa fiye da methyl cellulose na danko iri ɗaya, kuma yawan ajiyar ruwa bai wuce 85% ba.

Matsayin samfuran

Muhimmanci

A matsayin surface aiki wakili, hydroxyethyl methyl cellulose HEMC yana da wadannan halaye ban da thickening, suspending, bonding, emulsifying, film-forming, dispersing, ruwa-retaining da kuma samar da m colloid:

(1) Hydroxyethyl methyl cellulose HEMC yana narkewa a cikin ruwan zafi ko ruwan sanyi, yana sa shi yana da nau'i mai yawa na solubility da kuma halayen danko, wato, gelation maras zafi;

(2).

(3) HEMC yana da ƙarfin riƙe ruwa fiye da methyl cellulose, kuma kwanciyar hankali na danko, rarrabawa, da juriya na mildew sun fi karfi fiye da na hydroxyethyl cellulose.

Hanyar shirya mafita

(1) Ƙara ƙayyadadden adadin ruwa mai tsabta a cikin akwati;

(2) Ƙara hydroxyethyl methyl cellulose HEMC a ƙarƙashin ƙananan saurin motsawa, da motsawa har sai duk hydroxyethyl methyl cellulose ya narke sosai;

(3) Dangane da bayanan gwajin mu na fasaha, ana ba da shawarar sosai don ƙara su bayan an ƙara polymer emulsion (watau hydroxyethyl methyl cellulose).HEMCAn riga an haɗa shi da ethylene glycol ko propylene glycol).

Usshekaru

A cikin masana'antuginikayan,Babban darajar HEMCya dace datile m, siminti plasters, bushe gauraye turmi, kai matakin, gypsum plaster,fenti na latex, masu ɗaure kayan gini, sauran filayen gine-gine, hako mai, samfuran kulawa na sirri, wakilai masu tsaftacewa, da sauransu, galibi ana amfani da su azaman masu kauri, wakilai masu karewa, adhesives, stabilizers, da wakilai masu dakatarwa kuma ana iya amfani dashi azaman gels hydrophilic, kayan matrix. , shirya shirye-shiryen ci gaba-saki-nau'in matrix, kuma ana iya amfani dashi azaman masu daidaitawa a cikin abinci, da sauransu.

Ptuhuma da ajiya

(1) Cushe a cikin takarda-roba hade jakar polyethylene ko jakar takarda, 25KG / jaka;

(2) Ajiye iskar da ke gudana a wurin ajiya, ka nisanci hasken rana kai tsaye, kuma ka nisanci tushen wuta;

(3) Saboda hydroxyethyl methyl cellulose HEMC shine hygroscopic, bai kamata a fallasa shi zuwa iska ba. Ya kamata a rufe samfuran da ba a yi amfani da su ba kuma a adana su, kuma a kiyaye su daga danshi.

20'FCL: 12Ton tare da palletized, 13.5Ton ba tare da palletized ba.

40'FCL: 24Ton tare da palletized, 28Ton ba tare da palletized ba.