Lub npe lag luam Phenyl salicylate
Cov khoom xyaw Phenyl o-hydroxybenzoate
Kev ua tau zoo thiab siv tsis muaj xim crystalline hmoov. Nws muaj ib tug qab ntxiag aromatic tsw (wintergreen roj tsw). Qhov ceev yog 1.250g / cm3, lub melting point yog 43, thiab lub boiling point (1.6kPa) yog 173. Yooj yim soluble nyob rau hauv ether, benzene thiab chloroform, soluble nyob rau hauv ethanol, yuav luag insoluble nyob rau hauv dej thiab glycerin. Cov ntsiab lus yog 99 feem pua.
Cov khoom no yog ib hom ultraviolet absorber, siv nyob rau hauv cov khoom yas, tab sis qhov nqus wavelength ntau yog nqaim. US Food and Drug Administration tau pom zoo cov khoom siv acrylic resin rau cov khoom noj.
Ntim, khaws cia thiab kev thauj mus los: Ntawv nruas lined nrog lub hnab yas. Khaws thiab thauj khoom raws li kev cai lij choj dav dav.
Lub npe lag luam Ultraviolet absorber UV-P
Cov khoom xyaw 2-(2ˊ-hydroxy-5ˊ-methylphenyl)benzotriazole
Kev ua tau zoo thiab siv Cov tsos mob tsis muaj xim lossis lub teeb daj muaju. Nws yog soluble hauv ntau cov kuab tshuaj organic xws li roj av, benzene thiab acetone. Lub solubility hauv dej yog me me, thiab nws yuav tsis decomposed los ntawm concentrated alkali thiab concentrated acid. Nws tuaj yeem ua ionized nrog cov hlau hnyav los ua kom cov ntsev. Nws tuaj yeem nqus tau ultraviolet lub teeb ntawm 270-380nm wavelength. Lub melting point yog 130-131.
Cov khoom no yog siv rau hauv cov resins xws li polyester, chlorine-muaj polyester, cellulose acetate, polyvinyl chloride, polystyrene, plexiglass, thiab polyacrylonitrile. Kev ruaj ntseg hauv cov khoom pob tshab yog zoo dua li hauv cov khoom xim. Qhov ntau npaum li cas hauv cov khoom yog 0. feem pua -0.5 feem pua .
Lub npe lag luam Ultraviolet absorber UV-O
Cov khoom xyaw 2, 4-Dihydroxybenzophenone
Kev ua tau zoo thiab kev siv Cov khoom lag luam yog lub teeb xim zoo li rab koob zoo li crystals lossis hmoov dawb. Moisture<0.5%. ash="" content="" 100ml="" solvent,="" 25℃)="" acetone="" 50,="" benzene="" 1,="" ethanol="">50, dej<0.5, n-heptane=""><>
Cov khoom no yog ultraviolet absorber, haum rau polyvinyl chloride, polystyrene, epoxy resin, cellulose resin, unsaturated polyester, xim thiab hluavtaws roj hmab. Qhov siab tshaj plaws nqus wavelength ntau yog 280~ 340nm, thiab qhov ntau npaum li cas yog 0.1 feem pua 1% . Tab sis lub teeb stabilization nyhuv ntawm cov khoom no tsis zoo heev.
Kev ceev faj txog kev nyab xeeb Lub qhov ncauj LD50 ntawm cov khoom no hauv cov nas dawb yog 8.6g/kg lub cev hnyav, thiab LD50 ntawm nas yog LD502.336mg/kg lub cev hnyav. Tsis muaj tshuaj lom tau pom ntawm koob tshuaj 0.19, 0.60, thiab 1.90g / kg. Lwm ob pawg tau muaj kev cuam tshuam rau kev loj hlob ntawm cov tsiaj sim thiab lawv cov theem ntshav hloov.
Lub npe lag luam Ultraviolet absorber UV-9
Kev sib xyaw ua ke 2-Hydroxy-4-methoxybenzophenone
Kev ua tau zoo thiab siv Cov khoom yog lub teeb daj lossis dawb crystalline hmoov. Qhov ceev yog 1.324g / cm3 (2 degree 5). Lub melting point yog 62-66 degree . Kub taw tes yog 150-160 degree (0.67kPa), 220 degree (2.4kPa). Soluble nyob rau hauv feem ntau organic solvents xws li acetone, ketone, benzene, methanol, ethyl acetate, methyl ethyl ketone thiab ethanol, tab sis insoluble nyob rau hauv dej. Kev solubility ntawm cov khoom no hauv qee cov kuab tshuaj (g / 100g hnyav, 25), hauv cov kuab tshuaj benzene 56.2, n-hexane 4.3, ethanol (95 feem pua) 5.8, carbon tetrachloride 34.5, styrene 51.2, DOP 18.7.
Cov khoom no yog ultraviolet absorber, haum rau polyvinyl chloride, polyvinylidene chloride, polymethyl methacrylate, unsaturated polyester, ABS resin thiab cellulose resin thiab lwm yam yas. Qhov siab tshaj plaws nqus wavelength ntau yog 280~ 340nm, qhov dav dav yog 0.1 feem pua -1.5 feem pua, nrog thermal stability zoo, nws yuav decompose ntawm 200 degree. Cov khoom no tsis tshua pom lub teeb pom kev, yog li nws tsim nyog rau cov khoom siv pob tshab xim. Cov khoom siv kuj tuaj yeem siv rau xim thiab hluavtaws roj hmab.
Kev ceev faj txog kev nyab xeeb Nyiv thiab Ltalis tau hais tias thaum cov khoom no siv rau hauv cov khoom noj khoom haus sib cuag, qhov siab tshaj plaws yuav tsum tsis pub tshaj 0.3 feem pua.
Lub npe lag luam Ultraviolet absorber UV-531
Cov khoom xyaw 2-Hydroxy-4-n-octyloxybenzophenone
Kev ua tau zoo thiab siv Cov khoom yog lub teeb daj lossis dawb crystalline hmoov. Qhov ceev yog 1.160g/cm3 (25 degree ). Lub melting point yog 48-49 degree . Soluble hauv acetone, benzene, ethanol, isopropanol, me ntsis soluble hauv dichloroethane, insoluble hauv dej. Solubility ntawm cov khoom no nyob rau hauv ib co kuab tshuaj (g/100 hnyav, 25 degree), nyob rau hauv cov kuab tshuaj acetone yog 74, benzene 72, methanol 2, ethanol (95 feem pua) 2.6, n-heptane 40, n-hexane 40.1, dej 0.5 .
Cov khoom no yog ib qho ultraviolet absorber uas muaj peev xwm nqus tau ultraviolet rays nrog lub wavelength ntawm 24 0 ~ 340nm. Nws tuaj yeem siv rau ntau yam yas, tshwj xeeb tshaj yog polyethylene, polypropylene, polystyrene, ABS resin, polycarbonate, polyvinyl chloride thiab cob. Zoo compatibility thiab tsawg volatility. Qhov dav dav npaum li cas yog 0.1 feem pua rau 1 feem pua. Nws muaj cov nyhuv synergistic zoo thaum siv nrog me me ntawm 4,4-thiobis(6-tert-butyl-p-cresol). Cov khoom no kuj tseem siv tau los ua lub teeb stabilizer rau ntau yam txheej txheej.
Kev ceev faj txog kev nyab xeeb Cov khoom no muaj cov tshuaj toxicity tsawg, thiab ntau lub teb chaws tso cai rau siv rau hauv cov khoom yas uas tiv tauj cov zaub mov, xws li Tebchaws Meskas rau polyolefins, United Kingdom (qhov siv ntau tshaj {{0}}}.6%) , thiab Ltalis (qhov siab tshaj plaws siv rau polyethylene thiab polypropylene yog 0.5 feem pua), qhov ntau npaum hauv Nyiv yog: polyethylene 0.5 feem pua, polypropylene 1 feem pua, AS resin thiab ABS resin {{9 }}.5 feem pua , polyvinyl chloride 0.2 feem pua (tsis nyob rau hauv kev sib cuag nrog cov khoom noj oily los yog cov khoom noj uas muaj ntau tshaj 20 feem pua ethanol).
Lub npe lag luam UV absorber UVP-327
Cov khoom xyaw 2-(2'-Hydroxy-3',5'-di-tert-phenyl)-5-chlorobenzotriazole
Cov khoom no yog ultraviolet absorber, nws cov yam ntxwv thiab kev siv zoo ib yam li UV -326, nws muaj peev xwm nqus tau ultraviolet rays nrog lub wavelength ntawm 270-380nm, muaj tshuaj zoo stability, thiab tsis tshua muaj volatility. Zoo compatibility nrog polyolefins. Tshwj xeeb tshaj yog haum rau polyethylene thiab polypropylene. Tsis tas li ntawd, nws tseem tuaj yeem siv rau polyvinyl chloride, polymethyl methacrylate, polyoxymethylene, polyurethane, unsaturated polyester, ABS resin, epoxy resin thiab cellulose resin. Cov khoom no muaj zoo heev tshav kub sublimation tsis kam, ntxuav tsis kam, roj fading kuj thiab txhua yam cuab yeej tuav. Kev siv ua ke nrog cov tshuaj tua kab mob antioxidant yog ib qho txiaj ntsig tseem ceeb. Txhawm rau txhim kho cov thermal oxygen stability ntawm cov khoom. Qhov dav dav npaum li cas ntawm cov khoom no hauv cov yas yog 1 feem pua rau 3 feem pua.
Kev ceev faj txog kev nyab xeeb Cov khoom no muaj toxicity tsawg. Nyiv, Tebchaws Meskas, Fabkis, thiab Ltalis tso cai rau cov khoom no siv rau hauv cov khoom noj-hu rau polyolefin plastics. Qhov nyiaj siab tshaj yog 0.5 feem pua . Rau lwm cov khoom noj khoom haus sib cuag yas, qhov siab tshaj plaws tau teev tseg hauv Ltalis yog 0.2 feem pua , 0.5 feem pua hauv Nyiv thiab Fabkis.
Lub npe lag luam UV absorber RMB
Cov khoom xyaw Resorcinol monobenzoate
Kev ua tau zoo thiab kev siv Cov khoom yog dawb crystalline hmoov. Melting point yog {{0}} degree, boiling point yog 140 degree (20Pa). Qhov ceev ceev yog 0.68g / cm3 (20 feem pua). Soluble hauv acetone thiab ethanol, me ntsis soluble hauv benzene, dej, n-heptane, thiab lwm yam.
Cov khoom no yog ultraviolet lub teeb stabilizer, thiab nws cov kev ua tau zoo zoo ib yam li cov benzophenone lub teeb stabilizers. Feem ntau yog siv rau polyvinyl chloride, cellulose resin, polystyrene, qhov ntau npaum li cas yog 1% mus rau 2 feem pua.
Lub npe lag luam Lub teeb stabilizer AM -101
2,2'-thiobis (4-tert-octylphenoxy) npib tsib xee
Kev ua tau zoo thiab kev siv Cov khoom yog cov hmoov ntsuab. Lub ncov siab nyob rau hauv cheeb tsam ultraviolet yog 290nm (hauv chloroform), uas yog tsim rau polyolefin plastics xws li polyethylene thiab polypropylene, thiab muaj lub teeb pom kev zoo tshwj xeeb ntawm cov yeeb yaj kiab thiab cov khoom fiber ntau. Thiab tuaj yeem txhim kho kev ua haujlwm. Cov khoom no muaj kev sib koom ua ke zoo thaum siv nrog ultraviolet absorbers. Los yog ntxiv txhim kho lub teeb stabilization kev ua tau zoo. Nws lub ntsiab tsis zoo yog cov xim tsaus, uas ua rau cov khoom xim, thiab tib lub sijhawm, nws pab cov nyhuv antioxidant nrog thioesters ntawm qhov kub thiab txias kom cov khoom grey thiab dub.
Kev tiv thaiv kev nyab xeeb Cov khoom no yog tshuaj lom, yog li ceev faj thaum siv nws.
Lub npe lag luam Lub teeb stabilizer GW-540
Cov khoom xyaw Peb (1,2,2,6,6-pentamethylpiperidinyl) phosphite
Kev ua tau zoo thiab kev siv Cov khoom yog dawb crystalline hmoov. Lub melting point yog 122-124 degree . Soluble nyob rau hauv cov kuab tshuaj xws li ethanol, chloroform, acetone, benzene, thiab lwm yam., tab sis hardly soluble nyob rau hauv dej.
Cov khoom no yog ib tug hindered lub teeb stabilizer. Nws tsis muaj peev xwm nqus tau cov kab hluav taws xob ultraviolet, tab sis nws tuaj yeem ntes cov dawb radicals uas tsim los ntawm polymer degradation, decompose hydroperoxides thiab hloov lub zog ntawm cov molecules zoo siab, thiab lwm yam. Lub teeb stabilizing nyhuv yog dav dav ultraviolet rays. 24 npaug ntawm absorbent. Cov khoom no yog tsim rau polyethylene, polyethylene thiab lwm yam yas. Nws muaj kev sib raug zoo nrog cov resins thiab kev ua haujlwm zoo. Ntxiv nrog rau lub teeb stabilization, nws kuj muaj qhov zoo thermal thiab oxygen aging kuj. Txawm li cas los xij, cov khoom no muaj cov cua sov tsis zoo thiab tsis haum rau kev siv mus ntev hauv cov dej kub xov xwm. Tsis tas li ntawd, cov khoom lag luam tau ua tiav zoo tshaj plaws thiab siv tau ntawm qhov kub hauv qab 270 degree. Qhov poob phaus yog qhov hnyav dua thaum qhov kub siab tshaj qhov ntsuas kub no.
Kev ceev faj txog kev nyab xeeb Cov khoom muaj toxicity tsawg.
Lub npe lag luam Lub teeb stabilizer 744
Cov khoom xyaw 4-Benzoyloxy-2,2,6,6-tetramethylpiperidine
Kev ua tau zoo thiab kev siv Cov khoom yog dawb crystalline hmoov. Lub melting point yog 95-98 degree, thiab decomposition kub yog siab tshaj 280 degree. Nws yog soluble hauv acetone, ethanol, ethyl acetate, toluene, tab sis insoluble hauv dej.
Cov khoom no yog lub teeb ci ntsa iab, uas yuav luag tsis muaj peev xwm nqus tau cov kab hluav taws xob ultraviolet, tab sis nws tuaj yeem ntes cov dawb radicals uas tsim los ntawm cov ntaub ntawv polymer nyob rau hauv qhov kev txiav txim ntawm ultraviolet rays, yog li siv lub teeb stabilization. Cov khoom no yog tsim rau ntau yam yas xws li polypropylene, polyethylene, polystyrene, polyurethane, polyamide thiab polyester, thiab muaj cov nyhuv tshwj xeeb hauv polyolefins. Lub teeb tsis kam ntawm cov khoom no yog ob peb zaug ntawm cov ultraviolet absorbers. Tsis muaj xim, tsis muaj kuab paug, ua haujlwm zoo thaum tshav kub kub-resistant, thiab cov nyhuv synergistic zoo heev thaum siv nrog antioxidants thiab ultraviolet absorbers.
2,4,6-tris(2'n-butoxyphenyl)-1,3,5-triazine
Cov ntsiab lus 2,4,6-tris(2'n-butoxyphenyl)-1,3,5-triazine
Kev ua tau zoo thiab kev siv Cov khoom yog lub teeb daj hmoov. Melting point 156165. Nws yog soluble hauv hexamethylphosphoric triamide, soluble hauv dimethylformamide thaum rhuab, me ntsis soluble hauv n-butanol, insoluble hauv dej.
Cov khoom no yog ultraviolet absorber, uas tuaj yeem nqus tau cov kab hluav taws xob ultraviolet nrog lub wavelength ntawm {{0}}nm. Nws yog tsim rau polyvinyl chloride, polyoxymethylene, chlorinated polyether thiab lwm yam yas. Qhov dav dav npaum li cas yog 0. feem pua rau 1 feem pua. Nws lub teeb stabilization ua tau zoo dua li UV-9 thiab UV-531, tab sis cov khoom muaj xim, tuaj yeem ua rau cov khoom muag daj, thiab kev sib raug zoo nrog cov resin kuj tsis zoo.
Lub npe lag luam Lub teeb stabilizer HPT
Cov khoom xyaw hexamethylphosphoric triamide
Kev ua tau zoo thiab kev siv Cov khoom lag luam yog cov kua tsis muaj xim lossis lub teeb daj pob tshab. Me ntsis fishy thiab astringent. Qhov ceev yog 1.0253-1.0257g/cm3 (20 degree ). Qhov chaw khov yog 27 degree, thiab qhov kub ntawm qhov kub yog 116-117 degree (1.48kPa). Lub refractive index yog 1.4582-1.4589 (20 degree ). Nws yog soluble nyob rau hauv polar thiab non-polar cov kuab tshuaj, thiab yuav miscible nrog ntau plasticizers xws li dioctyl phthalate, dioctyl sebacate, triphenyl phosphite, thiab lwm yam.
Cov khoom no tuaj yeem siv los ua polyvinyl chloride lub teeb stabilizer. Nws tuaj yeem muab cov khoom lag luam zoo rau sab nraum zoov los tiv thaiv kev laus, yog li nws yog lub npe hu ua tus neeg saib xyuas huab cua zoo rau polyvinyl chloride. Ntxiv 2 mus rau 5 qhov chaw ntawm cov khoom no rau polyvinyl chloride zaj duab xis tuaj yeem tsis tsuas yog txhim kho nws cov huab cua tiv thaiv thiab txias, tab sis kuj txo qhov kub thiab txias ntawm li 10 degrees. Tsis tas li ntawd, cov khoom siv kuj tuaj yeem siv ua polyamide, polyurethane, urea-formaldehyde resin, thiab polyamide resin. Cov kuab tshuaj zoo heev rau ntau yam khoom siv polymer xws li phenyl sulfide.
Kev ceev faj txog kev nyab xeeb Cov khoom lag luam tsis muaj tshuaj lom thiab tsis tuaj yeem siv rau hauv cov khoom uas tiv tauj cov zaub mov, thiab kev sib cuag ntawm daim tawv nqaij yuav tsum zam.
1. Lub hom phiaj tseem ceeb:
Nws tuaj yeem nqus tau ultraviolet lub teeb nrog lub wavelength ntawm 270-380 nanometers. Nws yog tsuas yog siv rau polyvinyl chloride, polystyrene, unsaturated resin, polycarbonate, polymethyl methacrylate, polyethylene, ABS resin, epoxy resin thiab Cellulose resin, thiab lwm yam. haum rau cov ntaub ntawv photosensitive xws li xim zaj duab xis, xim zaj duab xis, xim duab ntawv thiab polymer thiab ntau lwm yam; tshwj xeeb tshaj yog tsim rau cov khoom tsis muaj xim, pob tshab thiab lub teeb xim; muaj zog nqus, ua haujlwm siab UV absorber.
2. Cov yam ntxwv zoo:
Super muaj zog ultraviolet absorption muaj peev xwm; zoo tiv thaiv ultraviolet rays los ntawm kev ua phem rau ntawm daim tawv nqaij thiab carcinogenicity, zoo heev txhim kho kev tiv thaiv kev laus ntawm cov khoom. Nws tsis tshua pom lub teeb pom kev thiab yog thawj qhov kev xaiv rau cov khoom tsis muaj xim, pob tshab thiab lub teeb xim; nws yog non-flammable, non-corrosive, thiab muaj kev ruaj ntseg zoo; nws muaj kev sib raug zoo nrog ntau yam polymers, thiab muaj kev tiv thaiv oxidation ntev thiab tiv thaiv daj. Kev ua tau zoo sib xws, tuaj yeem siv ua ke nrog cov tshuaj antioxidants dav dav; nyab xeeb heev.
3. Lub cev thiab tshuaj ntsuas ntsuas:
Cov tsos mob: lub teeb daj hmoov Melting point: 138 degree -141 degree Tshauv cov ntsiab lus: Tsawg dua los yog sib npaug rau 0.05 feem pua Volatile cov ntsiab lus: Tsawg dua los yog sib npaug rau 0.1 feem pua Lub teeb transmittance: 460nm Ntau dua lossis sib npaug li 95 feem pua; 500 nm Ntau dua los yog sib npaug rau 97 feem pua Solubility: soluble hauv benzene, toluene, styrene thiab lwm yam kuab tshuaj Hauv, me ntsis soluble hauv ethyl acetate, roj av ether, insoluble hauv dej
4. Yuav siv li cas:
Qhov ntau npaum li cas yog {{0}}}1-0.5 feem pua hauv cov khoom nyias, thiab 0 05-0.2 feem pua ntawm cov khoom tuab. Ntxiv nyiaj raws li lwm yam txheej txheem: 0.05-0.3 feem pua .
