Nnyocha na arụmọrụ nke kaadiboodu enweghị mmiri na mmanụ

The isi ihe onwunwe nke waterproof nakaadiboodu mmanu A na-eji akwa kemịkalụ kemịkalụ ịcha ọcha mee ihe a na-ebuga ihe oriri site na usoro pụrụ iche, wee kpoo ya mgbe ọ gbasasịrị elu. Ọ bụ ezie na oyi akwa dị n'elu na-eme ka ọ dị elu, a na-ebelata ịdị nro ahụ, ma eriri ndị dị n'elu akwụkwọ ahụ ka na-ekpuchi ọnụ ọgụgụ dị ukwuu nke polar hydroxyl dị iche iche na hydrophilicity siri ike, ikuku ikuku dị elu nke akwụkwọ ahụ na ihe ngosi capillary. eriri, mmetụta nke mmiri na mmanụ infiltration ka dị mma.

Kaadịboodu na-anabatakarị usoro ịgbakwụnye na pulp ma ọ bụ ngbanwe elu iji nye akwụkwọ ahụ ihe pụrụ iche dị ka enweghị mmiri, ihe mgbochi mmanụ na nje nje. Enwere ike ime mgbanwe ihu igwe site na usoro mkpuchi. Mgbe ihichachara, a na-emepụta ihe nkiri nwere ihe mgbochi dị elu iji mee ka ihe ndị na-egbochi mmiri na mmanụ na-eme ka akwụkwọ ahụ dịkwuo mma; ibelata ike elu nwere ike imeziwanye ihe mgbochi wetting nke mkpụrụ; na-akwadebempempe akwụkwọna ụfọdụ ihe mgbochi ihe, Site n'ịkwalite ya elu roughness, a superhydrophobic na superoleophobic mmetụta nwere ike nweta.

Ụfọdụ ndị ọrụ chitosan na-anọchi anya carboxymethyl otu na-etolite carboxymethyl chitosan (CMCS), na molekul yinye nwere nnukwu ọnụ ọgụgụ nke hydroxyl, amino na carboxymethyl arụ ọrụ dị iche iche, nke na-eme ka mmiri solubility na film-akpụ Njirimara nke CMCS. Otu hydroxyl dị na CMCS nwere polarity siri ike ma nwee ụfọdụ ihe na-egbochi mmanụ, ebe a na-ebubo otu amino ahụ nke ọma, nke ga-eme ka ụmụ irighiri mmanụ na-egbochi ụmụ irighiri mmanụ ịbanye na itinye akwụkwọ.

Polylactic acid (PLA) bụ otu n'ime ebe na-ekpo ọkụ na nyocha nke ihe ndị na-emebi emebi n'ụwa nile, nke na-edozi nsogbu nke ihe mkpofu na-esi ike imebi mgbe ejiri mmanụ mmanụ mee ihe. A na-ejikọta mkpụrụ ndụ PLA ọnụ site na esterification, na otu ọrụ na-arụ ọrụ dịtụ lipophilic, ma otu ester nwere ezigbo hydrophobicity, ya mere enwere ike iji PLA dị ka ihe hydrophobic.

CMCS nwere ezigbo mmanu mmanu ma hydrophilicity siri ike, ebe PLA na-adighi ike n'ime mmiri, na oyi akwa etolite mgbe mkpuchi ya nwere mmetụta hydrophobic, ma ndi otu na-aru oru na agbụ molecular nwere ụfọdụ lipophilicity. The ruru n'etiti abụọ dị mkpa karịsịa maka ịkwalite mmiri na mmanụ mgbochi nkenkwakọ nri takeaway.