HEMC mai daraja na gini

HEMC mai daraja na giniHydroxyethylMethylCellulosewanda aka fi sani da Methyl Hydroxyethyl Cellulose (MHEC),foda fari ne ko fari, ba shi da ƙamshi kuma ba shi da ɗanɗano, yana narkewaA cikin ruwan zafi da ruwan sanyi. Ana iya amfani da matakin gini na HEMCAna amfani da shi azaman siminti, gypsum, wakilin gelling na lemun tsami, wakilin riƙe ruwa, kyakkyawan haɗin kayan gini ne.

Ahaɗin gwiwa: hydroxyethyl methyl cellulose; hydroxyethyl methyl cellulose; hydroxymethyl ethyl cellulose; 2-hydroxyethyl methyl ether cellulose, Methylhydroxyethylcellulose; Cellulose; 2-hydroxyethyl methyl ether; HEMC;

Hydroymethylmethylelecellulose; hydroxyethyl methyl cellulose; hydroxymethyl ethyl cellulose.

Rijistar CAS: 9032-42-2

Tsarin Kwayoyin Halitta:

Fasali na Samfurin:

1. Bayyanar: HEMC fari ne ko kusan fari ne; ba shi da ƙamshi kuma ba shi da ɗanɗano.

2. Narkewa: Nau'in H a cikin HEMC za a iya narke shi a cikin ruwa ƙasa da 60℃, kuma nau'in L za a iya narke shi ne kawai a cikin ruwan sanyi. HEMC iri ɗaya ne da HPMC kuma ba ya narkewa a cikin yawancin abubuwan narkewa na halitta. Bayan maganin saman, HEMC yana warwatse a cikin ruwan sanyi ba tare da haɗuwa ba kuma yana narkewa a hankali, amma ana iya narke shi da sauri ta hanyar daidaita ƙimar PH ɗinsa zuwa 8-10.

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

4. Inganci: ƙimar wucewar raga 80 shine 100%; ƙimar wucewar raga 100 shine ≥99.5%.

5. Ƙaryaccen nauyi: 0.27-0.60g/cm3.

6. Zafin ruɓewa ya wuce 200℃, kuma yana fara ƙonewa a 360℃.

7. HEMC yana da kauri mai yawa, kwanciyar hankali na dakatarwa, watsewa, haɗin kai, moldability, riƙe ruwa da sauran halaye.

8. Saboda samfurin ya ƙunshi rukunin hydroxyethyl, zafin gel na samfurin ya kai 60-90℃. Bugu da ƙari, rukunin hydroxyethyl yana da yawan hydrophilicity, wanda hakan kuma yana sa ƙimar haɗin samfurin ta yi kyau. Musamman a cikin ginin zafi da zafi mai yawa a lokacin rani, HEMC yana da mafi yawan riƙe ruwa fiye da methyl cellulose na irin wannan danko, kuma ƙimar riƙe ruwa ba ta ƙasa da kashi 85% ba.

Samfuran Matsayi

Muhimmanci

A matsayin wani abu mai aiki a saman, hydroxyethyl methyl cellulose HEMC yana da halaye masu zuwa ban da kauri, dakatarwa, haɗawa, emulsifying, samar da fim, watsawa, riƙe ruwa da kuma samar da colloids masu kariya:

(1) Hydroxyethyl methyl cellulose HEMC yana narkewa a cikin ruwan zafi ko sanyi, wanda hakan ke sa ya sami nau'ikan halaye na narkewa da ɗanko, wato, gelation mara zafi;

(2) Hydroxyethyl methyl cellulose HEMC na iya rayuwa tare da nau'ikan polymers masu narkewa cikin ruwa, surfactants, da gishiri, kuma kyakkyawan kauri ne don mafita mai yawan taro na electrolyte;

(3) HEMC yana da ƙarfi wajen riƙe ruwa fiye da methyl cellulose, kuma daidaiton dankonsa, watsewarsa, da juriyarsa ga mildew sun fi ƙarfi fiye da na hydroxyethyl cellulose.

Hanyar shirya mafita

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

(2) A zuba hydroxyethyl methyl cellulose HEMC a cikin ƙaramin gudu, sannan a juya har sai dukkan hydroxyethyl methyl cellulose ya narke daidai gwargwado;

(3) Dangane da bayanan gwajin fasaha da muka samu, ana ba da shawarar sosai a ƙara shi bayan an ƙara sinadarin polymer (watau, hydroxyethyl methyl cellulose)HEMCan haɗa shi da ethylene glycol ko propylene glycol).

Usshekaru

A cikin masana'antuginikayan aiki,matakin gini HEMCya dace damanne na tayal, filastar siminti, busasshen turmi gauraye, daidaita kai, filastar gypsum,fenti na latex, abubuwan ɗaure kayan gini, sauran filayen gini, haƙa mai a filin mai, kayayyakin kula da kai, masu tsaftacewa, da sauransu, galibi ana amfani da su azaman masu kauri, masu kariya, manne, masu daidaita abubuwa, da masu dakatarwa. Hakanan ana iya amfani da shi azaman gels na hydrophilic, kayan matrix, shirya shirye-shiryen sakin matrix masu dorewa, kuma ana iya amfani da shi azaman masu daidaita abubuwa a cikin abinci, da sauransu.

Paccaging da kuma ajiya

(1) An lulluɓe shi a cikin jakar polyethylene mai haɗaka ko jakar takarda, 25KG/jaka;

(2) A kiyaye iska tana gudana a wurin ajiya, a guji hasken rana kai tsaye, sannan a nisantar da ita daga maɓuɓɓugan wuta;

(3) Saboda hydroxyethyl methyl cellulose HEMC yana da hygroscopic, bai kamata a fallasa shi ga iska ba. Ya kamata a rufe kuma a adana kayayyakin da ba a yi amfani da su ba, kuma a kare su daga danshi.

20'FCL: Tan 12 tare da fale-falen ...

40'FCL: Tan 24 tare da fale-falen ...