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巴斯夫紫外线吸收剂 Tinuvin 479

全国多仓发货,如需其他品牌或型号,请点击咨询客服 Product Description Tinuvin®479 is a hydroxyphenyl-triazine (HPT) UV absorber designed to fulfill the highperformanc
  • 商品品牌:巴斯夫
  • 产品型号:巴斯夫紫外线吸收剂 Tinuvin 479
  • 产品产地:德国
  • 包装规格:
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    商品名称:巴斯夫紫外线吸收剂 Tinuvin 479
    • 产品品牌巴斯夫

      产品产地德国

    • 产品型号巴斯夫紫外线吸收剂 Tinuvin 479

      包装规格

    受阻胺型光稳定剂,有显著的抗光氧化老化(防晒)功效,与抗氧剂并用,能提高耐热性,特别是对聚丙烯和高密度聚乙烯的耐大气老化性能远较一般紫外线吸收剂及淬灭剂(镍铬合物)优越 ,尤其适用于厚制品,和传统的紫外光吸收剂不同,它的功效与制品厚度无关,因此也适用高比表面积的产品,如:薄膜,扁丝。它的优势在于它的高效性,同时它与树脂具有良好的相容性和分散性。

    Product Description Tinuvin®479 is a hydroxyphenyl-triazine (HPT) UV absorber designed to fulfill the high
    performance and durability needs for automotive and industrial finishes.
    Key Features & Benefits - Extremely high extinction coefficient in the UV-B and UV-A range
    - Low volatility/low migration
    - Excellent photo-permanence
    Chemical Composition Hydroxyphenyl-triazine UV absorber
    Properties
    Typical Characteristics Appearance light yellow crystalline powder
    Solubility at 20°C (g/100 g solution):
    butyldiglycol 2
    butanol < 1
    butyl acetate 17
    butylglycol acetate 12
    methoxypropl acetate 10
    methoxypropanol 1
    Solvesso® 100 ¹ 23
    Solvesso® 150 ¹ 10

    water < 0.01
    ¹ registered trademark of Esso
    These typical values should not be interpreted as specifications.



    December 2010 Rev 1 Page 2 of 3

    UV Transmittance Spectrum
    in chloroform, cell thickness: 1 cm


    Line one: 0.001% Tinuvin® 479, corresponds to 0.25% in a 40 µm film
    Line two: 0.002% Tinuvin® 479, corresponds to 0.50% in a 40 µm film
    Line three: 0.003% Tinuvin® 479, corresponds to 0.75% in a 40 µm film
    Line four: 0.004% Tinuvin® 479, corresponds to 1.0% in a 40 µm film
    Line five: 0.006% Tinuvin® 479, corresponds to 1.5% in a 40 µm film
    Applications
    Tinuvin® 479 is a HPT UV absorber that provides excellent performance in coatings due to:
    • Extremely high extinction coefficient
    • Very high photo stability for long life performance
    • Very high thermal stability and performance for coatings exposed to high bake cycles and /
    or extreme environmental conditions
    • Very low volatility
    • Excellent performance in thin film applications
    • Ideal spectral coverage in combination with other UV absorbers
    Tinuvin® 479 has been developed as an interaction-free UV absorber to be used in amine and / or
    metal catalyzed coating systems or in coatings applied on base coats containing such catalysts.
    Its high extinction coefficient allows the formulation of coatings with reduced UV absorber levels and /
    or thin film applications. Combinations especially with other HPT UV absorbers and the newest
    generation photoinitiators makes it an excellent choice for UV curing coatings.
    Tinuvin® 479 is recommended for automotive OEM and refinish systems, UV cured coatings, and
    industrial finishes where long life performance is essential. Due to the high extinction coefficient and
    superior photostability applications specifically include thin film applications. Depending on the
    application, the spectral coverage can be further broadened through combinations with other UV
    absorbers of the hydroxyphenyl-triazine or hydroxyphenyl-benzotriazole class such as Tinuvin® 400 or
    Tinuvin® 928.
    The protective effects of Tinuvin® 479 can be enhance when used in combination with hindered amine
    light stabilizers (HALS) such as Tinuvin® 123, Tinuvin® 292, or Tinuvin® 152. These combinations
    provide best protection against gloss reduction, cracking, blistering, delamination, and color change.
    The light stabilizers may be added to clear coats, base coats, or solid shades.
    The amount of Tinuvin® 479 required for optimum performance should be determined in trials
    covering a concentration range.
    Recommend Concentrations 0.5 – 2 % Tinuvin® 479 (or Tinuvin® 479 + Tinuvin® 400, weight ratio 1:2,
    or Tinuvin® 479 + Tinuvin® 928, weight ratio 1:2)
    +
    0.5 – 2.0 % Tinuvin® 123 or Tinuvin® 292 or Tinuvin® 152
    (concentrations are based on weight percent binder solids)
    December 2010 Rev 1 Page 3 of 3
    Safety
    General The usual safety precautions when handling chemicals must be observed. These include the
    measures described in Federal, State and Local health and safety regulations, thorough ventilation of
    the workplace, good skin care and wearing of protective goggles.
    Material Safety Data Sheet All safety information is provided in the Material Safety Data Sheet Tinuvin® 479.
    Important
    While the descriptions, designs, data and information contained herein are presented in good faith
    and believed to be accurate, they are provided for guidance only. Because many factors may affect
    processing or application/use, BASF recommends that the reader make tests to determine the
    suitability of a product for a particular purpose prior to use. NO WARRANTIES OF ANY KIND,
    EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, WARRANTIES OF
    MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE MADE REGARDING
    PRODUCTS DESCRIBED OR DESIGNS, DATA OR INFORMATION SET FORTH, OR THAT THE
    PRODUCTS, DESCRIPTIONS, DESIGNS, DATA OR INFORMATION MAY BE USED WITHOUT
    INFRINGING THE INTELLECTUAL PROPERTY RIGHTS OF OTHERS. In no case shall the
    descriptions, information, data or designs provided be considered a part of BASF's terms and
    conditions of sale. Further, the descriptions, designs, data, and information furnished by BASF
    hereunder are given gratis and BASF assumes no obligation or liability for the descriptions, designs,
    data or information given or results obtained all such being given and accepted at the reader's risk.
    Tinuvin is a registered trademark of BASF Group.

    工业上对光老化的有效防止和阻缓,多以两种以上有不同作用机理的光稳定剂复配,对不同波段紫外线进行吸收。可以起到单一光稳定剂所无法达到的最佳效果。防晒化妆品中所加入的紫外线吸收剂,其防晒机理也是基于分散或吸收入射到皮肤表面上的紫外线,从而使皮肤避免或减少受到紫外线伤害。

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