GLOSS RETENTIVE FLUOROCOPOLYMERS FOR COATING APPLICATIONS

    公开(公告)号:EP3377586A2

    公开(公告)日:2018-09-26

    申请号:EP16867225.1

    申请日:2016-11-18

    摘要: Disclosed are protective coating compositions having enhanced gloss retention properties formed by steps comprising: (i) providing one or more fluorocopolymers by copolymerization of (1) one or more hydrofluoroolefin monomer(s) selected from the group consisting of hydrofluoroethylenes, hydrofluoropropenes, hydrofluorobutenes, hydrofluoropentenes and combinations of these, (2) one or more vinyl ester monomer(s), and (3) one or more vinyl ether monomer(s), wherein at least a portion of said vinyl ether monomer is a hydroxyl group-containing vinyl ether monomer, wherein the copolymer preferably has a number average molecular weight of greater than about 10,000; (ii) providing a VOC containing carrier for said one or more fluorocopolymers; and (iii) providing a stabilizing agent comprising: a) a radical scavenger and b) an absorber of UV light; and (iv) combining said one or more fluorocopolymers with said carrier and said stabilizing agent to produce a polymeric coating composition.

    METHOD FOR PRODUCING ULTRAVIOLET PROTECTIVE AGENT COMPOSITION, AND ULTRAVIOLET PROTECTIVE AGENT COMPOSITION OBTAINED THEREBY
    8.
    发明公开
    METHOD FOR PRODUCING ULTRAVIOLET PROTECTIVE AGENT COMPOSITION, AND ULTRAVIOLET PROTECTIVE AGENT COMPOSITION OBTAINED THEREBY 审中-公开
    生产紫外线防护剂组合物的方法和由其获得的紫外线防护剂组合物

    公开(公告)号:EP3315575A1

    公开(公告)日:2018-05-02

    申请号:EP16814484.8

    申请日:2016-06-24

    摘要: Problem of the present invention is to provide a method of producing an ultraviolet protective agent composition, which has high transparency and excellent protection ability against a light of ultraviolet region of wavelengths of 200 to 420 nm, and an ultraviolet protective agent composition obtained by the production method. The present invention is a method of producing an ultraviolet protective agent composition, which comprises at least step (a) of precipitating iron oxide microparticles by mixing with a microreactor an iron oxide raw material fluid containing at least Fe 3+ ion, and an iron oxide precipitation fluid containing at least a basic substance; and step (b) of dispersing the above precipitated iron oxide microparticles in a dispersion medium to obtain iron oxide microparticle dispersion; wherein a haze value of the iron oxide microparticle dispersion is 2.0% or less, and a transmittance of the iron oxide microparticle dispersion for the light of the wavelengths of 200 to 420 nm is 2.0% or less.

    摘要翻译: 本发明的课题在于提供一种紫外线保护剂组合物的制造方法以及由该制造得到的紫外线保护剂组合物,所述紫外线保护剂组合物具有高透明性和对波长200〜420nm的紫外光的保护能力优异的紫外线保护剂组合物 方法。 本发明是一种紫外线保护剂组合物的制造方法,其至少包括以下工序(a):通过将含有至少Fe 3+离子的氧化铁原料流体和氧化铁沉淀流体与微反应器混合而使氧化铁微粒析出的工序 至少含有碱性物质; 和步骤(b),将上述沉淀的氧化铁微粒分散在分散介质中以获得氧化铁微粒分散体; 其中所述氧化铁微粒分散体的雾度值为2.0%以下,并且所述氧化铁微粒分散体对于200〜420nm波长的光的透射率为2.0%以下。