Focus on Cellulose ethers

Ngwa nke HPMC na HEMC n'ihe eji arụ ọrụ

HPMC na HEMC bụ polymer abụọ dị mkpa nke ejirila ọtụtụ ihe arụ ọrụ.Ha na-ekere òkè dị mkpa n'ịkwalite arụmọrụ na ịdị mma nke ihe owuwu ụlọ.N'isiokwu a, anyị ga-ewebata ihe onwunwe na ngwa nke HPMC na HEMC na ihe owuwu.

HPMC, nke a makwaara dị ka hydroxypropyl methylcellulose, bụ ether cellulose sitere na pulp osisi na eriri owu.Ọ bụ ntụ na-enweghị isi, enweghị ụtọ, ntụ ntụ na-adịghị egbu egbu nke na-agbaze na mmiri.HPMC nwere ezigbo njide mmiri, njupụta na emulsifying, nke na-eme ka ọ bụrụ ihe mgbakwunye na-ewu ewu na ihe owuwu ụlọ.

Otu n'ime ngwa a na-ahụkarị maka HPMC bụ nrapado taịlị sitere na ciment.HPMC nwere ike imeziwanye ike nkekọ na ịrụ ọrụ nke nrapado, yana ọ nwekwara ike igbochi taịlị ndị ahụ sliding ma ọ bụ daa n'oge echichi.Ọzọkwa, HPMC nwere ike ibelata mmịnye mmiri nke taịlị, nke dị mkpa maka ịdịte aka na ịdịte aka nke nrụnye tile.

A na-ejikwa HPMC eme ihe n'ọtụtụ ebe n'ime ogige ndị na-edozi onwe ha.A na-eji ogige na-emeziwanye onwe onye na-eme ka ala sink na-enweghị isi, na HPMC nwere ike imeziwanye mgbatị ahụ na nhazi ọkwa.HPMC na-egbochikwa ogige nke na-emezi onwe ya ka ọ ghara ịmepụta mgbawa ma na-ebelata, nke dị mkpa maka iguzosi ike n'ezi ihe nke usoro ala.

Ngwa ọzọ nke HPMC bụ renders na plasters dabere na ciment.HPMC nwere ike melite nrapado na ịrụ ọrụ nke plasta ma ọ bụ stucco, ma nwee ike ịkwalite ọrụ mgbochi mmiri.Nke a dị mkpa iji chebe envelopu ụlọ ma gbochie mmebi mmiri.

HEMC, nke a makwaara dị ka hydroxyethyl methylcellulose, bụ cellulose ether ọzọ a na-ejikarị eme ihe n'ụlọ.HEMC yiri HPMC n'ihe gbasara arụmọrụ na ngwa, ma ọ nwere ụfọdụ uru pụrụ iche na-eme ka ọ dị mma maka ụfọdụ ngwa.

Otu n'ime isi uru nke HEMC bụ nnukwu viscosity ya.Nke a na-eme ka ọ dị mma maka iji akwa mkpuchi na agba na-eme ka ọ dịkwuo mma na nhazi.A na-ejikwa HEMC eme ihe n'ọtụtụ ebe na caulks na sealants, nke nwere ike ime ka mmiri na-eguzogide mmiri na adhesion nke ngwaahịa.

A na-ejikwa HEMC eme ihe na gypsum ihe eji arụ ụlọ dị ka ogige nkwonkwo na stucco.HEMC na-eme ka arụ ọrụ na-arụ ọrụ na nrapado nke ogige nkwonkwo ma na-egbochikwa mbelata na mgbawa.Tụkwasị na nke ahụ, HEMC nwere ike imeziwanye nkwụsị mmiri na mgbochi mildew nke plasta, nke dị mkpa maka ịdị mma nke ikuku nke ụlọ.

N'ikpeazụ, HPMC na HEMC bụ polymers abụọ dị mkpa nwere ọtụtụ ngwa na ihe owuwu.Ha na-ekere òkè dị mkpa n'ịkwalite arụmọrụ na ịdị mma nke ihe ụlọ ma na-enyere aka ịmepụta ụlọ ndị na-adịgide adịgide, dị irè na nke na-adịgide adịgide.Ka ihe ndị a na-aga n'ihu na-emepụta ma nụchaa, anyị nwere ike ịtụ anya ọbụna ihe ngwọta ụlọ ọhụrụ na nke dị elu n'ọdịnihu.


Oge nzipu: Ọgọst-07-2023
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