Electrical laminate having ability to absorb ultraviolet rays
    2.
    发明授权
    Electrical laminate having ability to absorb ultraviolet rays 失效
    具有吸收紫外线能力的电气层压板

    公开(公告)号:US5160787A

    公开(公告)日:1992-11-03

    申请号:US754997

    申请日:1991-09-05

    摘要: An electrical laminate having an ability to absorb or shield ultraviolet rays having wavelength of 300-420 nm which comprises (i) at least one thermosetting resin-impregnated substrate, (ii) said substrate and a metal foil or (iii) said substrate, a metal foil and an adhesive layer for the metal foil comprising a thermosetting resin, characterized in that the thermosetting resin constituting part or all of said substrates or constituting said adhesive layer contains 0.2-6.0% by weight of a light absorber (A) on the basis of weight of the thermosetting resin, said light absorber is (a) an alkylthioxantone or a mixture of (a) said alkylthioxantone and (b) an ultraviolet rays-absorber.

    摘要翻译: 具有吸收或屏蔽波长为300-420nm的紫外线的能力的电层压板,其包括(i)至少一种热固性树脂浸渍基材,(ii)所述基材和金属箔或(iii)所述基材, 金属箔和用于包含热固性树脂的金属箔的粘合剂层,其特征在于,构成所述基材的一部分或全部或构成所述粘合剂层的热固性树脂在基础上含有0.2-6.0重量%的光吸收体(A) 所述光吸收剂为(a)烷基噻吨酮或(a)所述烷基噻吨酮和(b)紫外线吸收剂的混合物。