Taw qhia
Acrylates yog cov tshuaj uas tau siv dav hauv ntau lub lag luam, suav nrog kev lag luam tu tawv nqaij. Cov tshuaj no feem ntau siv rau hauv kev tsim cov khoom kom zoo nkauj vim lawv muaj peev xwm los txhim kho cov khoom zoo nkauj, adhesion ntawm daim tawv nqaij, thiab lwm yam zoo nkauj. Cov tuam txhab tu tawv nqaij siv acrylates los txhim kho cov khoom lag luam, thiab thaum kawg txhim kho cov neeg siv khoom txaus siab.
Txawm li cas los xij, nrog rau lawv txoj kev siv dav, kev txhawj xeeb tau tshwm sim txog lawv txoj kev nyab xeeb, tshwj xeeb tshaj yog nyob rau hauv cov tawv nqaij. Hauv tsab xov xwm no, peb yuav tshawb txog ntau hom acrylates siv hauv cov qauv kev tu tawv nqaij, lawv cov txiaj ntsig, thiab muaj peev xwm txaus ntshai rau daim tawv nqaij.
Acrylates yog dab tsi?
Acrylates yog cov khoom sib txuas ua los ntawm acrylic acid los yog nws cov derivatives. Muaj ntau hom acrylates nrog cov qauv tshuaj sib txawv, txhua tus muaj cov khoom tshwj xeeb. Qee qhov feem ntau siv acrylates hauv cov qauv kev tu tawv nqaij muaj xws li:
1. Polyacrylates: cov no yog ib pawg ntawm cov polymers muab los ntawm acrylic acid. Lawv feem ntau yog siv rau hauv kev tsim cov gels, cream, thiab lotions. Polyacrylates muaj cov dej zoo sib khi, uas ua rau lawv zoo tagnrho rau kev txhim kho kev ntxhib los mos thiab viscosity ntawm cov khoom pleev xim.
2. Methacrylates: cov no yog ib pawg ntawm acrylates tsim los ntawm methacrylic acid. Methacrylates feem ntau siv rau hauv cov khoom ntsia thawv, xws li ntsia thawv polish thiab acrylic rau tes.
3. Ethyl acrylate: qhov no yog cov kua ntshiab uas siv rau hauv cov nplaum, tshwj xeeb tshaj yog nyob rau hauv cov khoom kom zoo nkauj uas yuav tsum tau muaj zog adhesion, xws li cov plaub muag extensions.
4. Butyl acrylate: qhov no yog siv rau hauv cov khoom siv tshuaj pleev ib ce uas yuav tsum tau muaj cov khoom zoo ntawm daim tawv nqaij.
Puas yog Acrylates muaj kev nyab xeeb rau daim tawv nqaij?
Acrylates feem ntau pom tau tias muaj kev nyab xeeb rau kev siv hauv cov khoom siv tshuaj pleev ib ce, suav nrog cov khoom tu tawv nqaij. US Food and Drug Administration (FDA) tau pom zoo siv acrylates hauv tshuaj pleev ib ce, tsuav yog siv nyob rau hauv qhov txwv ntawm concentration raws li kev pom zoo.
Kev nyab xeeb ntawm acrylates rau daim tawv nqaij yog ntaus nqi rau lawv tus nqi qis rau hauv daim tawv nqaij. Acrylates tsis tau nkag mus rau hauv lub cev, thiab lawv tsis muaj kev txhawj xeeb tseem ceeb rau toxicity. Cov kev tshawb fawb tshawb fawb qhia tau hais tias raug acrylates los ntawm cov khoom siv tshuaj pleev ib ce thiab kev sib cuag ntawm daim tawv nqaij tsis muaj kev cuam tshuam rau ntawm daim tawv nqaij.
Cov txiaj ntsig ntawm Acrylates hauv cov khoom siv tawv nqaij
Acrylates muaj ntau yam txiaj ntsig hauv kev tsim cov khoom siv tshuaj pleev ib ce, suav nrog cov khoom tu tawv nqaij. Nov yog qee qhov txiaj ntsig ntawm acrylates:
1. Txhim kho cov khoom zoo nkauj: Acrylates txhim kho kev ntxhib los mos ntawm cov khoom kom zoo nkauj, ua rau lawv smoother, ntau velvety, thiab softer rau qhov kov. Cov cwj pwm no yog qhov tseem ceeb hauv kev txhim kho cov neeg siv khoom txaus siab, tshwj xeeb tshaj yog rau cov khoom tu tawv nqaij.
2. Txhim kho cov khoom moisturizing: Acrylates yog hydrophilic, uas txhais tau hais tias lawv nyiam thiab khi cov dej molecules rau ntawm daim tawv nqaij, pab tswj cov tawv nqaij noo noo. Cov cwj pwm no yog qhov tseem ceeb hauv cov khoom tu tawv nqaij, nrog rau hauv cov tshuaj pleev ib ce xws li lipsticks, qhov xav tau hydration.
3. Txhim kho daim tawv nqaij adhesion: Qee cov acrylates tshwj xeeb yog tsim los txhim kho cov tawv nqaij adhesion ntawm cov khoom siv tshuaj pleev ib ce. Cov cwj pwm no yog ib qho tseem ceeb rau cov khoom xws li tshuaj pleev thaiv hnub, vim nws yuav pab kom muaj kev tiv thaiv thiab tuav cov khoom ntawm daim tawv nqaij.
4. Kev ruaj khov thiab ruaj khov: Acrylates yog qhov tseem ceeb hauv kev ruaj khov ntawm cov khoom siv tshuaj pleev ib ce, tshwj xeeb tshaj yog emulsions thiab cream. Lawv ua haujlwm los ntawm kev tswj xyuas cov khoom sib xws, kom ntseeg tau tias nws tsis sib cais, thiab nyob ruaj khov.
Muaj peev xwm txaus ntshai ntawm Acrylates rau daim tawv nqaij
Thaum acrylates feem ntau suav hais tias muaj kev nyab xeeb, qee tus neeg yuav ntsib kev tsis zoo lossis kev tsis haum rau acrylates, ua rau tawv nqaij khaus. Cov tshuaj tiv thaiv tuaj yeem yog vim muaj kev cuam tshuam ntev los yog siab ntau ntawm cov hom acrylate.
Qhov feem ntau tshwm sim ntawm acrylates ntawm daim tawv nqaij yog khaus tawv nqaij. Txawm li cas los xij, lwm yam kev mob tshwm sim, txawm tias tsis tshua muaj, suav nrog cov pob khaus tawv nqaij, hlwv, thiab khaus khaus. Cov kab mob dermatitis kuj tuaj yeem tshwm sim los ntawm kev raug acrylates, tshwj xeeb yog hu rau dermatitis, uas tshwm sim los ntawm kev sib cuag ntawm daim tawv nqaij.
Nws tseem tsim nyog sau cia tias qhov raug ntau dhau ntawm qee cov acrylates, xws li butyl acrylate thiab ethyl acrylate, tau cuam tshuam nrog kev cuam tshuam ib puag ncig tsis zoo.
Xaus
Hauv kev xaus, acrylates tau siv dav hauv kev tu tawv nqaij thiab cov khoom lag luam kom zoo nkauj vim lawv cov txiaj ntsig hauv kev tsim khoom. Lawv tsis ua rau muaj kev nyab xeeb tseem ceeb rau ntawm daim tawv nqaij, thiab FDA tau pom zoo siv lawv cov khoom siv tshuaj pleev ib ce.
Txawm li cas los xij, zoo li txhua yam khoom siv tshuaj pleev ib ce, qee tus neeg yuav muaj kev tsis haum tshuaj lossis khaus tawv nqaij thaum siv cov khoom uas muaj acrylates. Nws yog ib qho tseem ceeb rau patch kuaj cov khoom tshiab ua ntej siv, thiab txiav siv yog tias muaj kev phiv tshwm sim.
Zuag qhia tag nrho, acrylates muaj kev nyab xeeb rau kev siv hauv cov khoom siv tshuaj pleev ib ce, suav nrog cov khoom tu tawv nqaij, tsuav lawv siv nyob rau hauv cov lus pom zoo thiab cov lus qhia.
