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Ngwaahịa Nkewa
Ngwaahịa Ndị A Mapụtara

Haịdroxyethyl Cellulose (HEC)

Hydroxyethyl Cellulose (HEC) bụ cellulose ether na-abụghị ionic nke a na-emepụta site na itinye otu hydroxyethyl n'ime cellulose site na mmeghachi omume kemịkalụ na ethylene oxide. Enwere ike ịgbanwe ogo nnọchi (ds) nke hydroxyethyl na HEC dabere na njirimara achọrọ nke ngwaahịa ikpeazụ. Nke a na-eme ka HEC bụrụ cellulose ether nke na-abụghị ionic nke na-agbaze mmiri, na-eje ozi dị ka ihe na-eme ka ọ sie ike, colloid nchebe, ihe na-ejide mmiri, na ihe na-agbanwe rheological.


HEC na-egosipụta ezigbo ike ịgbaze mmiri, ọ naghị egbu egbu, ọ na-emebi emebi, ma na-egosipụta oke ndakọrịta na ihe ndị ọzọ - nke mere ka ọ bụrụ nhọrọ zuru oke maka ọtụtụ ojiji. Ojiji ya gụnyere ọtụtụ ngalaba ụlọ ọrụ mmepụta ihe na azụmaahịa, gụnyere ngwaahịa nlekọta onwe onye, ​​​​ọgwụ, agba na mkpuchi, ihe owuwu ụlọ, na ọgịrịga mmanụ na gas.

    Gịnị ka e ji hydroxyethyl cellulose eme?

    nkọwa2

    Hydroxyethyl Cellulose (HEC) bụ polima mmiri na-agbaze nke sitere na cellulose ma a na-ejikarị ya eme ihe n'ọtụtụ ụlọ ọrụ dị iche iche n'ihi ihe pụrụ iche o nwere. Lee ụfọdụ ojiji a na-ejikarị Hydroxyethyl Cellulose eme:

    Gịnị bụ ihe onwunwe izugbe nke HPMC?

    nkọwa2

    Hydroxyethyl Cellulose (HEC) nwere ọtụtụ ihe onwunwe izugbe nke na-eme ka ọ bụrụ polima dị iche iche ma na-eji ya eme ihe n'ọtụtụ ụlọ ọrụ dị iche iche. Lee ihe ndị bụ isi nke HEC:

    Njirimara nkịtị

    nkọwa2

    Ọdịdị

    Ntụ ntụ ọcha ruo na ntụ ọcha na-acha ọcha

    Nha nke ihe ndị dị ndụ

    98% gafere 100 mesh

    Molar nọchiri anya ogo (MS)

    1.8~2.5

    Ihe fọdụrụ mgbe ọkụ gbanyere (%)

    ≤0.5

    uru pH

    5.0~8.0

    Mmiri mmiri (%)

    ≤5.0

    Akara ndị ama ama

    Ọkwa nkịtị

    Ọkwa bio-grade

    Viscositi

    (NDJ, mPa.s, 2%)

    Viscositi

    (Brookfield, mPa.s, 1%)

    Setịpụ viscositi

    HEC KM300

    HEC 300B

    240-360

     

    LV.30rpm sp2

    HEC KM6000

    HEC 6000B

    4800-7200

     

    RV.20rpm sp5

    HEC KM30000

    HEC 30000B

    24000-36000

    1500-2500

    RV.20rpm sp6

    HEC KM60000

    HEC 60000B

    48000-72000

    2400-3600

    RV.20rpm sp6

    HEC KM100000

    HEC 100000B

    80000-120000

    4000-6000

    RV.20rpm sp6

    HEC KM150000

    HEC 150000B

    120000-180000

    7000 nkeji

    RV.12rpm sp6

    Gịnị mere ị ga-eji họrọ Kingmax HEC?

    nkọwa2

    Ịhọrọ Kingmax Hydroxyethyl Cellulose (HEC) nwere ike ịba uru dabere na ọtụtụ ihe a maara ụlọ ọrụ ahụ maka ya. Lee ụfọdụ ihe kpatara ị ga-eji tụlee ịhọrọ Kingmax HEC: