1. Ihe etemeete kemịkalụ na nhazi nke colloidal
1.1 Ihe owuwu Molecular nke Zinc Stearate
(Ultrafine zinc stearate emulsion)
Zinc stearate bụ ncha dara dara site na nzaghachi nke stearic acid– acid fatty juputara ogologo agbụ (C ₁₇ H ₃₅ COOH)– na zinc ion, na-eme ka ogige ahụ Zn(C ₁₇ H ₃₅ COO)₂.
Ọdịdị molekụla ya na-agụnye ion zinc Central a na-ahazi na 2 hydrophobic alkyl chains, ịzụlite àgwà amphiphilic nke na-enyere aka ọrụ interfacial na ma mmiri mmiri na polymer sistem.
Na nnukwu ụdị, zinc stearate dị ka waxy ntụ ntụ nwere mbelata solubility na mmiri na ọtụtụ ihe mgbaze eke, na-egbochi ngwa ngwa ya kwụ ọtọ na ngwọta otu.
Ka o sina dị, mgbe edozi ya ozugbo n'ime emulsion ultrafine, a na-ebelata akụkụ nke ntakịrị ka ọ bụrụ submicron ma ọ bụ nanometer nso (na-emekarị 50– 500 nm), budata ịkwalite elu na arụmọrụ mgbasa.
Steeti a gbasasịrị nano na-eme ka nghọta dịkwuo mma, mgbanwe, yana mmekọrịta ya na matrices gbara ya gburugburu, imepe arụmọrụ dị elu na ngwa azụmahịa.
1.2 Usoro emulsification na nkwụsi ike
Ọrụ nkwadebe nke ultrafine zinc stearate ngwọta na-agụnye homogenization dị elu, microfluidization, ma ọ bụ ultrasonication nke gbazere zinc stearate na mmiri, enyemaka site na surfactants dị ka nonionic ma ọ bụ anionic emulsifiers.
Ihe ndị dị n'elu na-abanye n'elu ebe ụmụ irighiri mmiri ma ọ bụ ibe n'ibe gbasasịrị, na-ebelata esemokwu n'etiti ihu ma na-ezere ịdị n'otu site na mkparị electrostatic ma ọ bụ ihe mgbochi siri ike..
Ihe nkwụsi ike a na-ahụkarị bụ polyoxyethylene sorbitan esters (Nchịkọta abụọ), sodium dodecyl sulfate (SDS), ma ọ bụ mmanya ethoxylate, ahọpụtara dabere na ndakọrịta na sistemụ ebumnuche.
Enwere ike iji usoro ntụgharị ọkwa ọkwa iji nweta mmanụ n'ime mmiri (O/W) ngwọta na warara nha nha mgbasa na nkwụsi ike colloidal na-adịte aka.
Emulsions e kere nke ọma na-anọgide na-eguzosi ike ruo ọtụtụ ọnwa na-enweghị sedimentation ma ọ bụ nkewa ogbo, na-eme ka ụfọdụ arụmọrụ mgbe niile n'oge nchekwa na ngwa.
Ihe na-esi na ya pụta na mmiri mmiri ara ehi nwere ike ịdalata ngwa ngwa, mita, ma tinye ya n'ime usoro dabere na mmiri, dochie ihe mgbaze ma ọ bụ ntụ ntụ.
( Ultrafine zinc stearate emulsion)
2. Atụmatụ bara uru na uru dị mma
2.1 Mmanya ime na mputa na polymers
Ultrafine zinc stearate ngwọta na-arụ ọrụ dị ka ihe na-eme mmanu mmanu na polycarbonate na njikwa thermoset., na-arụ ọrụ dị ka ma n'ime na mputa onye nrụpụta.
Dị ka ihe dị n'ime mmanu mmanu, ọ na-ebelata viscosity na-agbaze site na ibelata esemokwu intermolecular n'etiti ụdọ polymer, na-enyere aka na eruba n'oge extrusion, injection ịkpụzi, na kalenda.
Nke a na-eme ka nhazi usoro, na-ebelata oriri ike, ma na-ebelata ndakpọ ọkụ nke ikpo ọkụ na-ebute.
Mpụga, emulsion na-etolite slim, ihe nkiri na-adịghị ize ndụ na ebu na mildew n'elu ebe, na-eme ka ọ dị mfe ịkwatu akụkụ plastik dị mgbagwoju anya na rọba na-enweghị nsogbu elu.
N'ihi nnukwu mgbasa ya, Emulsion na-enye mkpuchi mkpuchi edo na geometrices gbagwojuru anya, na-agabiga wax omenala ma ọ bụ mmalite sitere na silicone.
Ọzọkwa, n'adịghị ka ịnweta mmanụ ndị nnọchiteanya, zinc stearate anaghị akwaga oke ma ọ bụ tinye njikọ agba n'ihe egwu, na-eme ka ọ dị mma maka mmepụta ụgbọ ala na ngwa ahịa.
2.2 Mmiri Nguzogide, Anti-caking, na Mgbanwe Mpaghara Elu
mmanu mmanu gara aga, ọdịdị hydrophobic nke zinc stearate na-eme ka mmiri na-asọ oyi n'ígwé, akwa, na ihe owuwu mgbe ejiri ngwọta mee ihe.
Mgbe ihicha ma ọ bụ gwọọ, nanoparticles na-ejikọta ma na-atụgharị agbụ alkyl ha n'èzí, na-emepe elu ala ike dị ala nke na-egbochi wetting na mmiri absorption.
A na-eji ụlọ obibi a eme ihe na ọgwụgwọ mgbochi mmiri maka akwụkwọ, fiberboard, na ngwaahịa cimenti.
Na ngwaahịa ntụ ntụ dị ka toner, pigmenti, na ọgwụ, Ihe ngwọta ultrafine zinc stearate na-eje ozi dị ka onye na-egbochi caking site na ikpuchi iberibe ma belata nchikota interparticle rubbing na ikpo..
Mgbe nkwụnye ego na ihicha, ọ na-emepụta oyi akwa mmanye nke na-eme ka ọ dị mma ma na-elekọta àgwà.
Ọzọkwa, ngwọta nwere ike hazie elu ebe ọdịdị, na-enye mmetụta dị nro na ihe nkiri plastik na n'elu ala– àgwà bara uru na nkwakọ ngwaahịa na ngwá electronic ndị ahịa.
3. Ngwa ụlọ ọrụ mmepụta ihe na nchịkọta nhazi
3.1 Nrụpụta polymer na rọba
Na polyvinyl chloride (PVC) njikwa, A na-eji ultrafine zinc stearate emulsion mee ihe dị ka stabilizer nke abụọ na mmanu mmanu., na-emeju isi ihe na-ekpo ọkụ dị ka calcium-zinc ma ọ bụ ogige organotin.
Ọ na-ebelata mbibi site n'ịkọba HCl nke ewepụtara n'oge ire ere ọkụ ma na-echebe pụọ na efere na-ejizi akụrụngwa..
Na ngwakọta roba, karịsịa maka taya na ngwaahịa teknụzụ, ọ na-akwalite ebu na mildew igba egbe ma na-ebelata tackiness n'oge nchekwa na njikwa.
Ndakọrịta ya na rọba okike niile, SBR, NBR, na EPDM na-eme ka ọ bụrụ ihe mgbakwunye dị iche iche n'ime ụlọ ọrụ elastomer niile.
Mgbe etinyere ya dị ka ihe na-agba ma ọ bụ ihe mkpuchi tupu vulcanization, Emulsion na-ekwe nkwa mkpochapụ akụrụngwa dị ọcha ma na-echekwa izi ezi nke ebu karịa ọtụtụ narị okirikiri.
3.2 Mkpuchi, Ceramik, na ihe dị elu
Na agba nke mmiri na-emecha na ihe owuwu, zinc stearate ngwọta na-eme ka matting dịkwuo mma, ikpuchi iguzogide, yana ihe ndị na-amị amị ka ọ na-emeziwanye nchekwa mgbasa pigmenti.
Ọ na-echebe megide idozi na nchekwa ma na-ebelata ahịhịa dragọn n'oge ngwa, na-enye aka n'ịmecha nke ọma.
Na seramiiki n'ala n'ichepụta tile, ọ na-arụ ọrụ dị ka ihe na-eme mmanụ ọkụ, na-eme ka mkpirisi ntụ ntụ na-agbanwe agbanwe na-eji obere anwụ anwụ na-eme ka ike dị n'ebe obibi dịkwuo mma.
A na-efesa ngwọta ya na ngwakọta akụrụngwa tupu ịkwanye ya, ebe ọ na-agbasa n'otu aka ahụ ma na-arụ ọrụ na okpomọkụ dị elu n'oge sintering.
Ngwa na-apụta gụnyere ojiji ya na slurries batrị lithium-ion batrị, ebe ọ na-enyere aka n'iwepụ ụfụfụ na ịkwalite nkwekọrịta mkpuchi, na n'ime mpempe akwụkwọ 3D iji belata nrapado iji wuo efere.
4. Nchekwa, Mmetụta gburugburu ebe obibi, na Ọdịnihu Trends
4.1 Akaụntụ Toxicological na Ụkpụrụ Iwu
A ghọtara Zinc stearate dị ka obere nsị, nwere ntakịrị mgbakasị anụ ahụ ma ọ bụ nsonaazụ iku ume, ma nyere ikike maka ngwa kọntaktị nri na-apụtaghị ìhè site n'aka ndị na-ahụ maka nhazi dịka FDA na EFSA.
Ngbanwe site na ihe mgbaze sitere na ihe mgbaze gaa na ngwọta ultrafine na-ebute mmiri na-ebelata ihe okike na-enweghị atụ. (VOC) ihe ndi ozo, na-agbaso iwu gburugburu ebe obibi dị ka njirisi REACH na EPA.
Ọmụmụ ihe ọmụmụ biodegradability na-egosi adịghị ike ma na-arụ ọrụ nke ọma n'okpuru nsogbu obi, Nke ka ukwuu site na ọrụ microbial lipase na njikọ ester.
Zinc, n'agbanyeghị na ọ dị mkpa na ọnụọgụ ọnụọgụ, na-akpọ maka mkpofu kwesịrị ekwesị iji kwụsị mkpokọta n'ime ime obodo n'ime mmiri; Otú ọ dị, ọkwa ojiji mgbe niile ọnọdụ kacha iyi egwu.
Nhazi ngwọta na-ebelata ikpughe ndị ọrụ ma e jiri ya tụnyere ntụ ntụ ikuku, imeziwanye nchekwa gburugburu ebe ọrụ na ntọala ụlọ ọrụ.
4.2 Mmepe na Nanodispersion na Smart Shipment
Ọmụmụ nyocha na-aga n'ihu na-elekwasị anya n'ịnụcha nha nha n'okpuru 50 nm na-eji usoro nanoemulsification ọkaibe, na-achọ imezu ọkwa doro anya na sistemụ ntọhapụ na-eme ngwa ngwa.
A na-enyocha ihe nanoparticles zinc stearate na-arụ ọrụ elu maka omume mkpali na-anabata., dị ka mmalite okpomọkụ na-akpalite n'ụdị dị nkọ ma ọ bụ ịgbalite pH-sensitive na ogige biomedical..
Crossbreed ngwọta na-ejikọta zinc stearate na silica, PTFE, ma ọ bụ graphene ebumnobi mekọrịta mmanu mmanu, jiri nguzogide, na nkwụsi ike thermal maka ngwa oke ọnọdụ.
Ọzọkwa, Usoro nkuzi mmekọrịta enyi na enyi na-eji stearic acid bio-based na emulsifiers biodegradable na-enweta traction iji kwalite nkwado n'oge ndụ niile..
Ka ihe nrụpụta chọrọ na-etolite na-adị ọcha, a otutu ihe a pụrụ ịdabere na ya, na ngwaahịa multifunctional, ultrafine zinc stearate emulsion pụtara dị ka ihe dị mkpa na-enyere aka ịrụ ọrụ dị elu, eco kwesịrị ekwesị n'elu ebe imewe.
Iji kwubie, ultrafine zinc stearate ngwọta na-anọchite anya ihe ọhụrụ dị elu na mgbakwunye bara uru, na-agbanwe mmanụ mmanu ọkọlọtọ ka ọ bụrụ usoro colloidal nke emepụtara nkenke.
Ntinye ya n'ime usoro mmepụta ihe ọgbara ọhụrụ na-emesi ọrụ ya ike n'ịkwalite arụmọrụ, ihe mma, na nlekọta gburugburu ebe obibi n'oge ihe ọhụrụ ngwaahịa dị iche iche.
5. Onye na-enye
TRUNNANO bụ onye na-emepụta xxx zuru ụwa ọnụ na onye na-ebubata ogige nwere ihe karịrị 12 afọ nke ọkachamara na nanomaterials kacha mma na kemịkalụ ndị ọzọ. Ụlọ ọrụ ahụ na-emepụta ihe dị iche iche nke ntụ ntụ na kemịkal. Nye ọrụ OEM. Ọ bụrụ na ịchọrọ xxx dị elu, biko nweere onwe gị ịkpọtụrụ anyị. Ị nwere ike pịa ngwaahịa ahụ iji kpọtụrụ anyị.
Tags: Ultrafine zinc stearate, zinc stearate, zinc stearate emulsion
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