Ndepụta nke ihe matriks dị na ngwaahịa nlekọta anụ ahụ (2)

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N'izu gara aga, anyị na-ekwu maka ụfọdụ ihe ndị dabeere na mmanụ na ntụ ntụ na ihe ịchọ mma matrix. Taa, anyị ga-anọgide na-akọwa ihe matriks fọdụrụnụ: ihe chịngọm na ihe mgbaze.

Colloidal akụrụngwa - ndị nlekọta nke viscosity na nkwụsi ike
Ngwa ngwa glial bụ ogige polymer na-agbaze mmiri. Ọtụtụ n'ime ihe ndị a nwere ike gbasaa na colloid n'ime mmiri iji mee ka ntụ ntụ sie ike ma guzobe. Enwere ike iji ha dị ka emulsifiers iji kwado emulsions ma ọ bụ nkwusioru. Na mgbakwunye, ha nwekwara ike na-etolite fim na thicken gel. A na-ekewa akụrụngwa glial a na-eji eme ihe ịchọ mma ụzọ atọ: eke na sịntetik, na ọkara sịntetik.

Ogige polymer mmiri soluble mmiri: na-esitekarị na osisi ma ọ bụ anụmanụ, dị ka starch, chịngọm osisi (dị ka chịngọm Arab), gelatin anụmanụ, wdg. Àgwà nke ihe ndị a sitere n'okike sitere n'okike nwere ike ghara ịdị n'otu n'ihi mgbanwe ihu igwe na gburugburu ebe obibi, na enwere ihe ize ndụ nke mmetọ site na nje bacteria ma ọ bụ ebu.

Ogige polymer mmiri na-eme ka mmiri sịntetik, gụnyere mmanya polyvinyl, polyvinylpyrrolidone, polyacrylic acid, wdg, nwere ihe ndị kwụsiri ike, mgbakasị ahụ dị ala, na ọnụ ala dị ala, si otú a dochie ogige polymer mmiri na-agbaze mmiri dị ka isi iyi nke ihe colloidal. A na-ejikarị ya eme ihe dị ka nrapado, thickener, onye na-emepụta ihe nkiri, na emulsifying stabilizer na ihe ịchọ mma.

Semi sịntetik mmiri soluble polymer ogige: Ndị a na-ahụkarị gụnyere methyl cellulose, ethyl cellulose, carboxymethyl cellulose sodium hydroxyethyl cellulose, guar gum na mmepụta ya, wdg.

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Ihe mgbaze akụrụngwa - isi ihe na-agbaze na nkwụsi ike

Ngwa ngwa mgbaze bụ ihe dị mkpa n'ọtụtụ mmiri mmiri, mado na mado dabere na usoro nlekọta anụ ahụ. Mgbe ejikọtara ya na ihe ndị ọzọ dị na usoro ahụ, ha na-edobe ụfọdụ ihe anụ ahụ nke ngwaahịa ahụ. Ngwa ngwa ihe mgbaze a na-ejikarị eme ihe na ịchọ mma gụnyere mmiri, ethanol, isopropanol, n-butanol, ethyl acetate, wdg. Mmiri bụ ihe a na-ejikarị na ngwaahịa nlekọta anụ ahụ.


Oge nzipu: Jul-30-2024