Kuchengetedza zuva, uye kunyanya kudzivirira zuva, ndeimwe yenzira dzekuchengetedza zuva.zvikamu zviri kukura nekukurumidza mumusika wekutarisira vanhu.Uyewo, dziviriro yeUV yava kushandiswa muzvigadzirwa zvakawanda zvekuzora zvinoshandiswa zuva nezuva (semuenzaniso, zvigadzirwa zvekuchengetedza ganda rechiso uye zvekuzora zvekushongedza), sezvo vatengi vava kuziva kuti kudiwa kwekuzvidzivirira kubva kuzuva hakungoshandi chete pazororo repagungwa.
Mushonga wekuchengetedza zuva wanhasiinofanira kuwana SPF yakakwira uye mitemo yekudzivirira UVA inopikisa, ukuwo zvichiita kuti zvigadzirwa zvive zvakanaka zvakakwana kukurudzira kutevedzera mitemo yevatengi, uye zvisingadhuri zvakakwana kuti zvikwanise kutengwa munguva dzakaoma dzehupfumi.
Kushanda zvakanaka uye runako zvinotsamira pane chimwe nechimwe; kuwedzera kushanda zvakanaka kwezvinoshandiswa kunoita kuti zvigadzirwa zveSPF zvakawanda zvigadzirwe nemazinga mashoma eUV filters. Izvi zvinobvumira mugadziri wezvigadzirwa kuti awedzere kutaridzika kweganda. Kusiyana neizvi, runako rwezvigadzirwa runokurudzira vatengi kushandisa zvigadzirwa zvakawanda uye nekudaro vanoswedera pedyo neSPF yakanyorwa.
Zvinhu Zvinofanira Kufungwa Nezvazvo Pakusarudza Mafirita eUV eMafomu ekushongedza
• Kuchengetedzeka kweboka revanhu vanoda kushandisa- Mafirita ese eUV akaedzwa zvakanyanya kuona kuti akachengeteka kushandiswa paganda; zvisinei vamwe vanhu vane hutachiona vanogona kunge vaine allergy kune mamwe marudzi emafirita eUV.
• Kushanda zvakanaka kweSPF- Izvi zvinoenderana nehurefu hwehurefu hwemushonga unobvisa simba, hukuru hwemushonga unobvisa simba, uye hupamhi hwemushonga unobvisa simba.
• Kushanda zvakanaka kwekudzivirira kweBroad spectrum / UVA- Mishonga yemazuva ano yekudzivirira zuva inodiwa kuti isangane nedzimwe nzira dzekudzivirira UVA, asi chisingawanzonzwisiswi zvakanaka ndechekuti kudzivirirwa kweUVA kunobatsirawo kuSPF.
• Kukanganisa manzwiro eganda- Mafirita akasiyana eUV ane mhedzisiro yakasiyana paganda; semuenzaniso mamwe mafirita eUV emvura anogona kunzwa "achinamira" kana "achirema" paganda, nepo mafirita anonyungudika mumvura achipa kunzwa kweganda rakaoma.
• Chitarisiko paganda- Mafirita asina kuchena uye zvidimbu zveorganic zvinogona kukonzera kuchena kweganda kana zvikashandiswa zvakanyanya; izvi hazvidiwi, asi mune dzimwe nzira (semuenzaniso, kuchengetedza zuva remwana) zvinogona kuonekwa sekubatsira.
• Kugadzikana kwemufananidzo- Mafirita akawanda eUV anoora kana akabatwa neUV, zvichiita kuti kushanda kwawo kuderera; asi mamwe mafirita anogona kubatsira kugadzirisa mafirita aya e "photo-labile" uye kuderedza kana kudzivirira kuora kwawo.
• Kusapinda mumvura- Kuisa mafirita eUV anobva mumvura pamwe chete neemafuta anowanikwa mumafuta kunowanzo wedzera SPF zvakanyanya, asi kunogona kuita kuti zviome kudzivirira mvura.
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Makemikari eUV Filter
Mishonga inochengetedza zuva inowanzoiswa muchikamu chemishonga inochengetedza zuva kana kuti mishonga inochengetedza zuva isina kugadzirwa. Mishonga inochengetedza zuva inonwisa mvura zvakanyanya pahurefu hwemawimbi chaiwo uye inopenya kuchiedza chinoonekwa. Mishonga inochengetedza zuva isina kugadzirwa inoshanda nekuratidza kana kuparadzira mwaranzi yeUV.
Ngatidzidzei nezvavo zvakadzama:
Mafuta ekudzivirira zuva echisikigo
Mafuta ekudzivirira zuva emhando yeorganic anozivikanwawo semishonga yekudzivirira zuva yemakemikariIzvi zvinosanganisira mamorekuru eorganic (akavakirwa pacarbon) anoshanda se sunscreens nekupinza mwaranzi yeUV nekuishandura kuita simba rekupisa.
Simba & Kusasimba kweZvisikirini zveZuva zveOrganic
| Simba | Kusasimba |
| Runako rwekushongedza - mafirita mazhinji eorganic, angava emvura kana zvinhu zvinonyunguduka, haasiye zvasara zvinoonekwa pamusoro peganda mushure mekushandisa mushonga wacho. | Narrow spectrum - dzakawanda dzinongodzivirira chete pamusoro pehurefu hwakamanikana hwewavelength |
| Zvinodyiwa zvechinyakare zvechisikigo zvinonzwisiswa zvakanaka nevagadziri vezvinhu | "Makokteki" anodiwa kuti munhu awane SPF yakakwira |
| Kushanda zvakanaka kana paine huwandu hwakaderera | Mamwe marudzi akaomarara anogona kuoma kunyungudutsa nekuchengetedza mumushonga |
| Mibvunzo pamusoro pekuchengetedzeka, kushatirwa uye kukanganisa nharaunda | |
| Mamwe mafirita eorganic haana kugadzikana nemufananidzo |
Kushandiswa kwemishonga yekudzivirira zuva yeorganic
Mafirita eorganic anogona kushandiswa muzvigadzirwa zvese zvekuchengetedza zuva / UV asi anogona kunge asina kunaka muzvigadzirwa zvevacheche kana ganda rinonzwa kurwadziwa nekuda kwekugona kukonzera allergy kune vanhu vanonzwa kurwadziwa. Hazvina kukodzerawo zvigadzirwa zvinogadzira "zvakasikwa" kana "zveorganic" sezvo zvese zviri makemikari ekugadzira.
Mafirita eUV eOrganic: Mhando dzemakemikari
PABA (zvinobva mupara-amino benzoic acid)
• Muenzaniso: Ethylhexyl Dimethyl PABA
• Mafirita eUVB
• Hazviwanzo shandiswa mazuva ano nekuda kwezvikonzero zvekuchengetedza
MaSalicylates
• Mienzaniso: Ethylhexyl Salicylate, Homosalate
• Mafirita eUVB
• Mutengo wakaderera
• Kushanda zvishoma kana tichienzanisa nemamwe mafirita akawanda
Cinnamates
• Mienzaniso: Ethylhexyl Methoxycinnamate, Iso-amyl Methoxycinnamate, Octocrylene
• Mafirita eUVB anoshanda zvakanyanya
• Octocrylene inogona kutorwa nemifananidzo uye inobatsira kugadzika mamwe mafirita eUV, asi mamwe macinnamates anowanzova nekusagadzikana kwemifananidzo.
Benzophenones
• Mienzaniso: Benzophenone-3, Benzophenone-4
• Ipa zvese UVB neUVA zvinonyudza
• Kushanda kwakaderera asi kunobatsira kuwedzera SPF pamwe chete nemamwe mafirita
• Benzophenone-3 haichanyanyi kushandiswa muEurope mazuva ano nekuda kwezvikonzero zvekuchengetedza.
Triazine uye zvinobva kutriazole
• Mienzaniso: Ethylhexyl triazone, bis-Ethylhexyloxyphenol Methoxyphenyl Triazine
• Inoshanda zvikuru
• Mamwe mafirita eUVB, mamwe anopa dziviriro yakakura yeUVA/UVB
• Kugadzikana kwemifananidzo kwakanaka kwazvo
• Zvinodhura
Zvinobva muDibenzoyl
• Mienzaniso: Butyl Methoxydibenzoylmethane (BMDM), Diethylamino Hydroxybenzoyl Hexyl Benzoate (DHHB)
• Zvinonyudza UVA zvinoshanda zvikuru
• BMDM haina kugadzikana zvakanaka pakufotora, asi DHHB inochinjika zvakanyanya pakufotora
Zvinobva muBenzimidazole sulfonic acid
• Mienzaniso: Phenylbenzimidazole Sulfonic Acid (PBSA), Disodium Phenyl Dibenzimidazole Tetrasulfonate (DPT)
• Inonyungudika mumvura (kana yagadziriswa nehwaro hwakakodzera)
• PBSA ifirita yeUVB; DPDT ifirita yeUVA
• Kazhinji zvinoratidza kushanda pamwe chete nemafirita anonyunguduka mumafuta kana zvikashandiswa pamwe chete
Zvinobva muCamphor
• Muenzaniso: 4-Methylbenzylidene Camphor
• Sefa yeUVB
• Hazviwanzo shandiswa mazuva ano nekuda kwezvikonzero zvekuchengetedza
Madonhwe eAnthraniti
• Muenzaniso: Menthyl anthranilate
• Mafirita eUVA
• Kushanda kwakaderera
• Hazvina kutenderwa muEurope
Polysilicone-15
• Silicone polymer ine makromophores mumacheni eparutivi
• Sefa yeUVB
Zvishandiso zvezuva zvisina kugadzirwa
Mishonga iyi yekudzivirira zuva inozivikanwawo semishonga yekudzivirira zuva chaiyo. Iyi ine zvidimbu zvisina makemikari zvinoshanda semishonga yekudzivirira zuva nekupinza nekuparadzira mwaranzi yeUV. Mishonga yekudzivirira zuva isina makemikari inowanikwa sehupfu hwakaoma kana kuti isati yapararira.
Mishonga yekudzivirira zuva isina kugadzirwa Simba & Kusasimba
| Simba | Kusasimba |
| Yakachengeteka / isingatsamwisi | Kuona runako rusina kunaka (ganda richinzwa kuchena uye kuchena kweganda) |
| Rudzi rwakakura rwezvinhu | Upfu hunogona kuoma kugadzira nahwo |
| SPF yakakwira (30+) inogona kuwanikwa nekushanda kamwe chete (TiO2) | Zvinhu zvisina organic zvabatanidzwa muhurukuro ye nano |
| Kupararira kuri nyore kuisa | |
| Dhizaini yemifananidzo |
Mashandisirwo eInorganic Sunscreens
Mafuta ekudzivirira zuva asina kugadzirwa akakodzera chero kushandiswa kwekudzivirira UV kunze kwemafuta akajeka kana maaerosol sprays. Anonyanya kukodzera kuchengetedza zuva remwana, zvigadzirwa zveganda zvinonzwa tsitsi, zvigadzirwa zvinoita "zvakasikwa", uye zvizoro zvekushongedza.
Mafirita eUV asina kuchena Mhando dzeMakemikari
Titanium Dioxide
• Chinonyanya kushandiswa sefa yeUVB, asi mamwe magiredhi anopawo dziviriro yakanaka yeUVA
• Magiredhi akasiyana-siyana anowanikwa ane saizi dzakasiyana dzezvimedu, machira nezvimwewo.
• Magiredhi mazhinji anowira munharaunda ye nanoparticles
• Zvidimbu zvidiki zvinoonekwa zvakanyanya paganda asi hazvipi dziviriro yakawanda yeUVA; zvidimbu zvikuru zvinopa dziviriro yakawanda yeUVA asi zvinoita kuti ganda richene zvakanyanya.
Zinc Oxid
• Chinonyanya kushandiswa sefa yeUVA; kushanda kweSPF kwakaderera pane TiO2, asi kunopa dziviriro iri nani pane TiO2 munzvimbo ye "UVA-I" yakareba.
• Magiredhi akasiyana-siyana anowanikwa ane saizi dzakasiyana dzezvimedu, machira nezvimwewo.
• Magiredhi mazhinji anowira munharaunda ye nanoparticles
Matrix yekushanda / Chemistry
Chiyero kubva pa -5 kusvika +5:
-5: mhedzisiro yakaipa | 0: hapana mhedzisiro | +5: mhedzisiro yakanaka yakakosha
(Cherechedza: pamutengo uye kucheneswa, "mhedzisiro yakaipa" zvinoreva kuti mutengo kana kucheneswa kwacho kwawedzera.)
| Mutengo | SPF | UVA | Kunzwa kweganda | Kuchenesa | Kugadzikana kwemifananidzo | Mvura | |
| Benzophenone-3 | -2 | +4 | +2 | 0 | 0 | +3 | 0 |
| Benzophenone-4 | -2 | +2 | +2 | 0 | 0 | +3 | 0 |
| Bis-ethylhexyloxyphenol Methoxyphenyl Triazine | -4 | +5 | +5 | 0 | 0 | +4 | 0 |
| Butyl Methoxy-dibenzoylmethane | -2 | +2 | +5 | 0 | 0 | -5 | 0 |
| Diethylamino Hydroxy Benzoyl Hexyl Benzoate | -4 | +1 | +5 | 0 | 0 | +4 | 0 |
| Diethylhexyl Butamido Triazone | -4 | +4 | 0 | 0 | 0 | +4 | 0 |
| Disodium Phenyl Dibenzimiazole Tetrasulfonate | -4 | +3 | +5 | 0 | 0 | +3 | -2 |
| Ethylhexyl Dimethyl PABA | -1 | +4 | 0 | 0 | 0 | +2 | 0 |
| Ethylhexyl Methoxycinnamate | -2 | +4 | +1 | -1 | 0 | -3 | +1 |
| Ethylhexyl Salicylate | -1 | +1 | 0 | 0 | 0 | +2 | 0 |
| Ethylhexyl Triazone | -3 | +4 | 0 | 0 | 0 | +4 | 0 |
| Homosalate | -1 | +1 | 0 | 0 | 0 | +2 | 0 |
| Isoamyl p-Methoxycinnamate | -3 | +4 | +1 | -1 | 0 | -2 | +1 |
| Menthyl Anthranilate | -3 | +1 | +2 | 0 | 0 | -1 | 0 |
| 4-Methylbenzylidene Camphor | -3 | +3 | 0 | 0 | 0 | -1 | 0 |
| Methylene Bis-Benzotriazolyl Tetramethylbutylphenol | -5 | +4 | +5 | -1 | -2 | +4 | -1 |
| Octocrylene | -3 | +3 | +1 | -2 | 0 | +5 | 0 |
| Phenylbenzimidazole Sulfonic Acid | -2 | +4 | 0 | 0 | 0 | +3 | -2 |
| Polysilicone-15 | -4 | +1 | 0 | +1 | 0 | +3 | +2 |
| Tris-biphenyl Triazine | -5 | +5 | +3 | -1 | -2 | +3 | -1 |
| Titanium Dioxide - giredhi rinoonekera | -3 | +5 | +2 | -1 | 0 | +4 | 0 |
| Titanium Dioxide – mhando yemhando dzakasiyana dzema spectrum | -3 | +5 | +4 | -2 | -3 | +4 | 0 |
| Zinc Oxid | -3 | +2 | +4 | -2 | -1 | +4 | 0 |
Zvinhu Zvinokanganisa Mashandiro Emafirita EUV
Hunhu hwekushanda kwetitanium dioxide ne zinc oxide hunosiyana zvakanyanya zvichienderana nehunhu hwega hwega hwemhando chaiyo inoshandiswa, semuenzaniso, kuputira, chimiro chemuviri (hupfu, kupararira kwemafuta, kupararira kwemvura).Vashandisi vanofanira kubvunza vatengesi vasati vasarudza giredhi rakakodzera kuti vasangane nezvinangwa zvavo zvekushanda muhurongwa hwavo hwekugadzira.
Kushanda kwemafirita eUV anonyungudika mumafuta kunokonzerwa nekunyungudika kwawo mumaemollients anoshandiswa mukugadzira. Kazhinji, maemollients epolar ndiwo anonyanya kunyungudutsa mafirita eorganic.
Kushanda kwemafirita ese eUV kunokanganiswa zvakanyanya nemaitiro erheological emushonga uyu uye kugona kwawo kugadzira firimu rakafanana uye rakabatana paganda. Kushandiswa kwemafirimu akakodzera uye zvinowedzera rheological kunowanzo batsira kuvandudza kushanda kwemafirita.
Musanganiswa unonakidza wemafirita eUV (kubatana)
Kune misanganiswa yakawanda yemafirita eUV anoratidza kubatana. Mhedzisiro yakanaka yekubatana inowanzo kuwanikwa nekubatanidza mafirita anowirirana neimwe nzira, semuenzaniso:-
• Kusanganisa mafirita anonyungudika mumafuta (kana akapararira nemafuta) nemafirita anonyungudika mumvura (kana akapararira nemvura)
• Kusanganisa mafirita eUVA nemafirita eUVB
• Kusanganisa mafirita asina organic nemafirita eorganic
Kunewo mimwe misanganiswa inogona kupa mamwe mabhenefiti, semuenzaniso zvinozivikanwa kuti octocrylene inobatsira kugadzirisa mamwe mafirita e-photo-labile akadai sebutyl methoxydibenzoylmethane.
Zvisinei, munhu anofanira kugara achingwarira pfuma yepfungwa panyaya iyi. Kune mapatent akawanda anofukidza kusanganiswa kwemaUV filters uye maformulator anokurudzirwa kugara achitarisa kuti musanganiswa wavanoda kushandisa hautyori chero mapatent evamwe vanhu.
Sarudza firita yeUV Yakakodzera yeKugadzira Zvishongedzo Zvako
Matanho anotevera achakubatsira kusarudza UV filter(s) yakakodzera yekugadzirwa kwako kwekunaka:
1. Ronga zvinangwa zvakajeka zvekushanda, hunhu hwerunako uye zvinotarisirwa pakugadzirwa kwacho.
2. Tarisa kuti ndeapi mafirita anotenderwa kumusika waunoda.
3. Kana uine chassis chaiyo yekugadzira yaunoda kushandisa, funga kuti ndeapi mafirita anokodzera chassis iyoyo. Zvisinei kana zvichibvira zvakanaka kutanga wasarudza mafirita wogadzira fomura yakaapoteredza. Izvi zvinonyanya kuitika kune mafirita asina kugadzirwa kana kuti mafirita eorganic.
4. Shandisa mazano kubva kune vanopa zvinhu uye/kana maturusi ekufanotaura akadai seBASF Sunscreen Simulator kuti uone musanganiswa unofanira kusanganiswakuzadzisa chinangwa cheSPFuye zvinangwa zveUVA.
Misanganiswa iyi inogona kuyedzwa mumafomula. Nzira dzekuyedza dzeSPF neUVA mu-vitro dzinobatsira padanho rino kuratidza kuti ndeapi misanganiswa inopa mhedzisiro yakanakisisa maererano nekushanda - rumwe ruzivo nezvekushandiswa, dudziro uye zvipingamupinyi zvemiedzo iyi zvinogona kuunganidzwa nekosi yekudzidziswa yeSpecialChem e-training:UVA/SPF: Kugadzirisa Maprotocol Ebvunzo Yako
Mhedzisiro yebvunzo, pamwe chete nemigumisiro yemimwe miedzo neongororo (semuenzaniso kugadzikana, kushanda zvakanaka kwekuchengetedza, kunzwa kweganda), zvinogonesa mugadziri wemushonga kusarudza sarudzo yakanakisa uye zvakare kutungamira kufambiswa mberi kwemushonga (mishonga).
Nguva yekutumira: Ndira-03-2021