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    • 3. 发明公开
    • 페인트 조성물 및 페인팅된 물체
    • 涂料组合物和涂料物品
    • KR1020080027796A
    • 2008-03-28
    • KR1020077030582
    • 2006-07-03
    • 바스프 재팬 가부시키가이샤
    • 니미,루이이토,타케히토코니시,테츠미츠무네,신지이타케모토,마사유키타카기,히로유키
    • C09D175/00
    • C09D175/04C08G18/6233C08G18/6237C08G18/7831
    • To provide paint compositions with which a paint film which has excellent scratch resistance against car washing machine, dirt-soiling resistance and weather resistance can be obtained, and painted objects. [Means of Resolution] A clear paint composition which contains (A) acrylic copolymer which includes in the resin solid fraction from 35 to 50 mass% I-caprolactone structural units and of which the hydroxyl group value is from 200 to 340 mgKOH/g and the weight average molecular weight is from 5,000 to 15,000 and (B) non-yellowing type polyisocyanate compound in which the isocyanate group of the (B) component is included in a proportion of from 0.5 to 2 equivalents per 1 equivalent of hydroxyl group of the (A) component, the Young's modulus of the hardened paint film obtained from said paint composition is not more than 1.5 Pa, the molecular weight of intercrosslinking of the cured coating film (Mc) is not more than 350 g/mol and the glass transition temperature (Tg) of the hardened paint film is at least 65‹C. ® KIPO & WIPO 2008
    • 为了提供可以获得对洗车机具有优异耐擦伤性的漆膜,防污染性和耐气候性的油漆组合物,以及涂漆物。 [解决方法]一种透明涂料组合物,其含有(A)丙烯酸共聚物,其包含在35〜50质量%的1-己内酯结构单元的树脂固体成分中,羟基值为200〜340mgKOH / g, 重均分子量为5,000〜15,000,(B)不泛黄型多异氰酸酯化合物,其中,(B)成分的异氰酸酯基以每1当量羟基的0.5〜2当量的比例包含 (A)成分,由所述涂料组合物得到的硬化漆膜的杨氏模量不大于1.5Pa,固化涂膜(Mc)的交联分子量不大于350g / mol,玻璃化转变温度 硬化漆膜的温度(Tg)至少为65℃。 ®KIPO&WIPO 2008