Tinuvin 328, one of several substituted hydroxyphenyl benzotriazoles, is effective in polyesters, pvc, impact ps, pc and acrylics. Annex xv dossier proposal for identification of a substance. Structure tinuvin 326 n n n cl ho molecular weight 315. Tinuvin performance additives for uv protection and durability are designed to protect and extend the lifetime of coatings. Contain with absorbent material sand, diatomaceous earth, universal absorbent, oil dri and dispose. Our tinuvin 5333 dw light stabilizer for joinery and decorative coatings. Compatible with styrene homo and copolymers, acrylic polymers, unsaturated polyesters, polyvinylchloride, polyolefins, polyurethanes, polyacetals, polyvinyl butyral and elastomers. Enzymatic synthesis of tinuvin article pdf available in enzyme and microbial technology 407. Tinuvin 328 basf adhesives ingredients specialchem. A sample mixture of the three uvas and two uvss was separated using high performance liquid chromatography hplc and the separated species were quantified using atmospheric pressure chemical ionizationmass.
We,china tinuvin 327 3864991 suppliers and china tinuvin 327 3864991 manufacturers, provide tinuvin 327 3864991 product and the products related with china tinuvin 327 3864991 bohanchem. Tinuvin 765 is a highly effective liquid stabilizer used for a wide range of polymers and applications including polyurethanes, sealants, adhesives, elastomers, unsaturated polyesters, acrylics, vinyl polymers pvb, pvc, styrene homo and copolymers, polyolefins, liquid color concentrates, and other organic substrates. Tinuvin 328 by basf is a 22hbenzotriazol2yl4, 6ditertpentylphenol grade. Finally, uv328 fulfils also the criteria to be classified as stotre 2 and therefore has to be considered as toxic. Tinuvin 328 is a high performance ultraviolet absorber. Dec 18, 2017 tinuvin 5251 by basf is a blend of hpt uv absorber and a basic hals.
Larger amounts should be pumped into adequate containers. Features strong absorption of ultraviolet radiation in 300400 nm region. It is a 22h benzotriazol2yl4, 6ditertpentylphenol grade recommended for adhesives. Tinuvin 328 and 327 followed a similar msms f ragmen. Please note the following points when using this template. King iii, ciba specialty chemicals, tarrytown ny 10591 abstract. Tinuvin 791 reportedly offers excellent surface protection in thick sections.
It has a low volatility at high temperatures and high resistance to thermal degradation and can. Polyolefin film products are in a state of continuous improvement in regard to their physical properties. Tinuvin 928 may be used in combination with a light stabilizer of the sterically hindered amine class hals such as recommended below. Structure, properties, spectra, suppliers and links for. Combinations provide best protection against gloss reduction, cracking, blistering, delamination, and color change.
Uv292 is a liquid hindered amine light stabilizer hals especially developed for color sensitive coatings applications. High throughput analysis of polymer stabilizers with the agilent 6420 triple quadrupole lcms abstract the capability of highly sensitive and rapid flow injection coupled to multiple reaction monitoring mass spectrometry for comprehensive analysis of several polymer stabilizers, belonging to quite different chemical classes, is demonstrated. When flammable solvents are present, the container must be inerted or the system otherwise designed to prevent or contain an explosion. Btz benzotriazole btz multipurpose tinuvin 400 liq. The combination effect of hindered amine light stabilizers. Pdf a sensitive procedure for the determination of five ultraviolet uv absorbers. Tinuvin 5251 by basf is recommended for use in solventbased industrial coatings including uv curable paints. Tinuvin 328 by basf is a hydroxyphenylbenzotriazole. Longterm accelerated aging in an environment free of ultraviolet uv light of dam mar resin films, containing the hindered amine light stabilizer hals tinuvin 292, shows that for best results the concentration of the additive may be increased to 3% from the previously recommended level of 2%, and also that the benzotriazole uvabsorber tinuvin 328 can be omitted. Melting range 8141ocphysical properties flashpoint o238 c din 51584 specific gravity 20oc 1. Grounding is required when emptying into a conductive container. Overview bls 28 25973551 is a benzotriazole type ultraviolet light absorber uva, imparting good light stability for plastics and other organic polymers. It is designed to meet the high performance and durability requirements of all solventbased automotive, industrial and decorative coatings where other hals fail either related to their basicity or for. Tinuvin 328 can be used alone or in combination with other functional additives such.
Tinuvin 234, tinuvin 329, and tinuvin 360 are commonly used as uvas, while tinuvin 770 and tinuvin 123 are commonly used as uvss. Hostavin 3311 liq offset of tinuvin 1 hostavin 3340 liq offset of tinuvin 400 hostavin 3310 pwd offset of tinuvin 328 hostavin 3326 pwd offset of tinuvin 326. Acts as a uv absorber, belongs to hydroxyphenyl benzotriazole class, which imparts outstanding light stability to plastics and other organic substrates. Tinuvin 249 is our new nonbasic hindered amine light stabilizer hals for robust coatings. Synergistic performance may be obtained when tinuvin 765 is used with a ultraviolet light absorber. Our portfolio contains two types of light stabilizers. Bioconcentration test of tinuvin 343 in carp, yakata, n. It is a high performance, noninteracting light stabilizer system which imparts outstanding weatherability to polyolefin based compounds, even in presence of acidic species. The product is highly effective to improve the light stability of polyethylene hdpe, lldpe, ldpe thick section parts, films, and tapes as well as polypropylene fibers and films. The oral ld50 values for chemicals with available data were. Annex xv identification of uv328 as svhc 6 part i note. Get instant access to tinuvin 328 technical datasheet. Dermal ld50 values, obtained from four chemicals, were 2000 mgkg in rats and 5000 mgkg in rabbits.
Tinuvin 1 technical data sheet industrial coatings product description tinuvin 1 is a liquid uv absorber of the hydroxyphenyl benzotriazole class specifically developed for industrial coating applications. Hals trap free radicals maintain surface properties such as gloss and prevent cracking and chalking of paints. Tinuvin 479dw will be updated to tinuvin 479dw n at a later stage. Electromagnetic radiation can be divided into different groups, as shown below. Ultraviolet light absorbers uva and hinderedamine light stabilizers hals. Tinuvin 400 technical data sheet industrial coatings product description tinuvin 400 is a liquid hydroxyphenyltriazine hpt uv absorber designed to fulfill the high performance and durability needs of waterborne, solventborne, and 100% solids automotive and industrial finishes. Acts as a uv absorber for ambient and low temperature cured systems. Analysis of uv absorbers and stabilizers in polypropylene. Featuresbenefits tinuvin 326 has a wide range of indirect food approvals in polyolefins. Methods and material for containment and cleaning up methods and material. Tinuvin 1600 belongs to the hpt hydroxyphenyltriazine chemistry class.
Used for articles, films, sheets and fibers during outdoor weathering. Tinuvin 320 has better effect when applied to in the polyurethane, polyamnamee, synthetic fibers especially those polyester and epoxy resins. An overview of chemistry and effects yijun ye and r. Tinuvin xt 855 ff by basf is hindered amine derivative. Offset of tinuvin 292 8 offset light stabilizers for coatings standard performance bzt 1 uva. Characterization tinuvin p is an ultraviolet light absorber uva of the hydroxyphenyl benzotriazole class, imparting good light stability to a wide variety of polymers. Mar 29, 2020 tinuvin 328 by basf is an uv absorber grade. Oct66 product name tinuvin 326 page 2 printing date. Request pdf the combination effect of hindered amine light stabilizers with uv.
Detailed information is provided in the safety data sheet. Tinuvin 328 could effectively inhibit the formation of alkyl free radicals in pp. The uv absorber tinuvin 328 is an effective stabilizer for preventing the radiationinduced degradation of pp, but the combination of hals with tinuvin 328 usually shows an antagonism. Pharos is a tool to help scientists, researchers, and product innovators identify problematic chemicals and collaborate to find safer alternatives. Ultraviolet absorbent uv328 can dissolve in benzene, toluene, ethyl acetate and petroleum ether, slightly dissolve in ethanol and methyl alcohol, can not dissolve in water. Btzcl chlorinated benzotriazole redshifted tinuvin 328 sol. Tinuvin carboprotect is a very red shifted uva for the ultimate protection of carbon. Asia resins and additives for the coatings industry. This visible light forms part of the electromagnetic radiation to which the earth is exposed. Based on the nature of the light absorbing unit, several types of uva are commercially. Uv 328 has a melting point of 8086 c, a vapor pressure of 4,610. Tinuvin 328 light stabilizer by basf technical datasheet. Tievf 1002 e august 2010 page 2 of 3 tinuvin 328 guidelines for use the use levels of tinuvin 328 range between 0.
Tinuvin pa 328 ff by basf is a phenol, 22hbenzotriazol2yl4, 6bis 1, 1dimethylpropyl grade. I process for adoption of the opinion in the mandate of 4 april 20 attached as annex 1, the executive director of echa requested the rac to provide an opinion on the specific target organ toxicity of uv320 and uv328 taking into account the information provided in. Light stabilizers light is generally described as the radiation visible to the human eye at wavelengths between 400 and 750 nm. Tinuvin 249 is a liquid nonbasic hals for coatings. Uv320 is a highefficient light stabilizer, widely apply to in the plastics and other organic matter, including unsaturated polyester, pvc, pvc plasticizing glue, etc. Ciba specialty chemicals ciba tinuvin622 oligomeric hindered amine light stabilizer hals characterization tinuvin 622 is the light stabilizer of choice for all applications calling for low volatility and minimal migration, because of its oligomeric structure with high molecular weight. Its improved compatibility with polar systems and its low viscosity and color number allow for a wide spectrum of applications and simplify handling in production.
C 30 h 56 n 2 o 4 and c 21 h 39 no 4 chemical structure. Important n otice purchase of tinuvin 1 alone does not permit the use of tinuvin. Tinuvin 328 can effectively inhibit the formation of alkyl free radicals in pp under. Oct 01, 2006 tinuvin 111 is said to offer excellent extraction resistance and low pigment interaction and recommended for film and fiber. Furthermore tinuvin 622 is effective as antioxidant. Pdf headspace solidphase microextraction followed by gas. Hals multipurpose hals for various applications tinuvin 326 sol. Chemical name phenol, 22hbenzotriazol2yl4methyl cas number 2440224 chemical formula molecular weight 225 gmol applications tinuvin p provides ultraviolet protection in a wide variety of polymers includ. This dossier is one of four dossiers for the svhcidentification of several. It also contributes significantly to the longterm thermal stability of polyolefins based compounds.
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