A na-ejikarị ndị na-emepụta ihe na mmepụta mmepụta ihe, gụnyere mkpuchi, ihe owuwu, ihe ịchọ mma, nri na ọgwụ. Hydroxyethythythythythythythythythythythythythythythythythyth (HEC) bụ ihe dị mkpa nke dọtara uche maka ihe ndị pụrụ iche na ngwa dị obosara.
1. Ihe mejupụtara na isi
HEC bụ sellose nke ettal na-eme site na iweghachi okike sellose na etlene oxide. Ọ bụ polymer na-abụghị nke ionic nke ọma na ezigbo mmalight. N'ụzọ dị iche, ndị ọzọ dị iche iche nwere isi mmalite dịgasị iche iche, gụnyere ihe ndị a:
A na-enye ndị a polyhan na Guam Xanhan na Guar chịngọm.
Synhetic Tomas: dị ka polymers acidmic acid (carbomer), nke na-ejikọ dabere na Petrochemicals, nwere arụmọrụ biodegrafility.
Protein Truleners: dị ka gelatin, sitere na anụ ahụ anụmanụ ma dịkwa mma maka nri na ọgwụ.
HEC nwere ma gburugburu ebe obibi nke cellulose na arụmọrụ kachasị mma nke mmiri mmiri na ihe mejupụtara, ịchọta nguzozi n'etiti ezi omume ụlọ na nke dị iche iche.
2. Ọrụ dị iche iche
HEC nwere njirimara ndị a na arụmọrụ dị egwu:
Solubality: HEC nwere ike gbasasịwo na mmiri oyi na mmiri ọkụ iji mepụta usoro victors na ọnụego ọsọsọ. Xanthan gum na-achọkarị ịkwaga na mgbasa, yana ihe ga - enwe ụfọdụ agbụrụ.
A ga-enweta akara ngosi viscosit na ogo molecular na ogo nke hec, ngwaahịa nwere akara mmụta dịgasị iche iche chọrọ. N'ụzọ dị iche, ụdị viscitinge Regiment nke Guar GUM bụ warar. Ọ bụ ezie na acrylic polymen acidmer nwere ezigbo uto, ọ na-emetụta uru PH.
Shear dị nro: HEC nwere akparamagwa dị nro ma dịkwa mma maka oge ụfọdụ mkpa viscosit. Xanthan chịm nwere oke pseudoplastity ma dịkwa mma maka ngwa nke emulsions.
3. Ike kemịkalụ
HEC nwere ezigbo nkwụsi ike (2-12), ma na-eguzogide oke okpomọkụ na nnu, ma dịkwa mma maka ngwa na sistemụ nwere sistemụ nnu ma ọ bụ gburugburu okpomọkụ. Na ntụnyere:
Xanthan chịngọm dị mma karịa hec, mana ọ na-adị mfe emebi emebi na ọnọdụ alkali siri ike.
Pocylic acrylic na-emetụta acid na alkali, ma na-enwekarị ọdịda n'okpuru ọnọdụ nnu.
Ọnọdụ kemịkalụ nke polysity nke polysilaride dị n'okpuru okpomọkụ na ọnọdụ oxditive anaghị adịkarị mma dị ka HEC.
4. Ọdịiche na mpaghara ngwa
A na-ejikarị mkpuchi: A na-ejikarị HEC mee ihe na mkpuchi mmiri, Pupity na ngwa agha, na-enye ezigbo oke na njinchọ mmiri. A na-eji ihe na-egbu egbu Xanthan rụọ ọrụ na ihe mgbochi mmiri, tumadi n'ihi ihe ya na-ejikwa ya.
Ihe ịchọ mma na kemịkal kwa ụbọchị: hec nwere ike iweta akpụkpọ ahụ dị mma na ezigbo mmetụta, ma na-ejikwa ya na ihu igwe na lotions. Pocylic acrylic nwere uru na ngwaahịa GEL n'ihi ikike nghọta ha dị elu na ike ndị siri ike.
Nri na ogwu: Xanthan chịngọm na Guar GUM na-eji nri na ọgwụ n'ihi oke sitere n'okike na ezigbo biocompatalilitibility ha. Ọ bụ ezie na enwere ike iji Hec na ọgwụ a na-akwadebe ọgwụ, ọ nwere obere ngwa nri.
5. Na gburugburu na ọnụ ahịa
HEC bụ ebe obibi na enyi na-emebi emebi ma na-emebi emebi n'ihi na ọ na-emepụta ya dabere na mkpụrụ osisi eke. Usoro mmepụta nke polymers acrylic nwere mmetụta dị ukwuu na gburugburu ebe obibi ma sie ike mgbe mkpofu. Ọ bụ ezie na BANANThan chịngọm na Guar gum bụ gburugburu ebe obibi, ọnụ ahịa ha na-adị elu karịa hec, ọkachasị maka ngwaahịa ndị gbanwetụrụ na ngwa ndị pụrụ iche.
Dị ka ndị na-eche echiche na arụmọrụ, HEC nwere uru pụrụ iche n'ọtụtụ ubi. E jiri ya tụnyere Genthan Gum na Guar Gum, hec bụ asọmpi na kemịkalụ siri ike na arụmọrụ; E jiri ya tụnyere polymers acylic, hec bụ gburugburu ebe obibi na-enwe ezi omume ma nwee ntụgharị. A ga-atụle ezigbo nhọrọ, ihe ndị na-emetụ kemịkal na ọnụ ahịa kwesịrị ịtụle dabere na ngwa ngwa akọwapụtara iji rụpụta mmetụta kachasị mma na uru kachasị mma.
Oge post: Feb-15-2025