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    • 2. 发明申请
    • THERMOSETTING COMPOSITION, PAINT FINISHING METHOD AND METHOD FOR PRODUCING A PAINTED ARTICLE
    • 生产涂漆制品的热固性组合物,涂料整理方法和方法
    • WO2018047014A1
    • 2018-03-15
    • PCT/IB2017/001384
    • 2017-09-04
    • AKZO NOBEL COATINGS INTERNATIONAL B.V.
    • MIZUTANI, HirokiTSUDA, TakahiroKOHASHI, TaichiroNISHIDA, NobuhakuMIYABE, Koji
    • C08G18/61C08G18/80C09D167/00C08G18/22C08G18/42
    • The present invention relates to a thermosetting composition characterized in that it contains (A) a polyester resin of number average molecular weight 1,000-10,000 and hydroxyl value 5-200 mg KOH/g and, (B) 0.5-2.0 equivalents relative to the hydroxyl groups of the aforesaid component (A) of a compound (B) which is a blocked aliphatic poly-isocyanate compound having reactivity with the hydroxyl groups of component (A), wherein the blocking is with methyl ethyl ketoxime and/or ε-caprolactam, (C) 0.05-5 parts by weight of a bismuth compound, per 100 parts by weight of total resin solids of component (A) and component (B), and (D) 0.5-50 parts by weight of an organosilicate represented by the following general formula (I) and/or a condensation product thereof, relative to 100 parts by weight of total resin solids of component (A) and component (B), wherein R 1 , R 2 , R 3 and R 4 in the formula each mean hydrogen atom or 1-10 carbon organic group, and can be the same or different, n is 1. By using the thermosetting composition, not only does the stain resistance appear a short time after painting, but also excellent stain resistance is maintained for a long period, which fulfil the paint film performance requirements for painted steel sheet such as water resistance and bending workability and which have high environmental protection qualities and safety.
    • 本发明涉及一种热固性组合物,其特征在于它含有(A)数均分子量为1,000-10,000且羟值为5-200mg KOH / g的聚酯树脂,和(B) 相对于作为与组分(A)的羟基具有反应性的封端脂肪族多异氰酸酯化合物的化合物(B)的上述组分(A)的羟基的0.5-2.0当量,其中封端是甲基乙基 酮肟和/或ε-己内酰胺,(C)每100重量份的组分(A)和组分(B)的总树脂固体,0.05-5重量份的铋化合物,和(D)0.5-50重量份 (I)所示的有机硅酸酯和/或其缩合产物,相对于100重量份的组分(A)和组分(B)的总树脂固体,其中R 1≤1重量% 式中的R 2,R 3和R 4各自表示氢原子或1-10碳或 可以相同或不同,n为1.通过使用热固性组合物,不仅在涂漆后短时间内出现耐污染性,而且长期保持优异的耐污染性,这满足了涂料 涂漆钢板的薄膜性能要求,如耐水性和弯曲加工性,并且具有高环境质量和安全性。
    • 3. 发明申请
    • THERMOSETTING COMPOSITION, PAINT FINISHING METHOD, AND METHOD FOR PRODUCING PAINTED ARTICLES
    • 热固化组合物,油漆涂饰方法和生产涂料文章的方法
    • WO2017050511A1
    • 2017-03-30
    • PCT/EP2016/069984
    • 2016-08-24
    • AKZO NOBEL COATINGS INTERNATIONAL B.V.
    • MIZUTANI, HirokiTSUJITA, TakahiroKOHASHI, TaichiroNISHIDA, NobuhiroMIYABE, Koji
    • C09D183/02C09D167/02C09D175/06C08L67/02
    • C09D183/02C08G18/246C08G18/4219C08G18/807C08G18/8074C08G18/8077C08L2205/03C08L2205/05C09D167/00C09D175/06C08L83/02C08K5/06C08K5/5415
    • [Purpose ] To provide a thermosetting composition with which it is possible to obtain paint films which not only display stain resistance for a short period after application, but with which excellent stain resistance can also be expected for longer periods, and which comply with the paint film properties required for painted steel sheet such as water resistance and bending workability, and have high environmental protection and safety qualities. [Solution] The present invention relates to a thermosetting composition, wherein it contains, as essential components, (A) a polyester resin of number average molecular weight 1,000-10,000 and hydroxyl value 5-200 mg KOH/g and, (B) 0.5 to 2.0 equivalents, relative to the hydroxyl groups of the aforesaid component (A), of a compound (B) which is a blocked aliphatic polyisocyanate compound having reactivity to the hydroxyl groups of component (A), wherein the blocks are methyl ethyl ketone oxime and/or ε-caprolactam, (C) 0.05 to 5 mass %, relative to the total resin solids mass of component (A) and component (B), of an organotin compound represented by the following general formula (I) [Chem.1] R 1 -Sn- (0)C=0) -R 2 ) 3 (I) (R 1 in the formula represents an organic group wherein it has 1-24 carbons, and is directly bound to the Sn atom via a C atom. R 2 represents an organic group wherein it has 1-24 carbons, and is directly bound to the C atom of the (C=O) via a C atom), and (D) 0.5 to 50 mass %, relative to the total resin solids mass of component (A) and component (B), of an organosilicate represented by the following general formula (II) and/or a condensation product thereof [Chem.2] (R 3 , R 4 , R 5 and R 6 in the formula are each a hydrogen atom or 1- 10 carbon organic group, and may be the same or different. n is 1). [Selected drawings] None
    • [目的]提供一种可以获得涂膜的热固性组合物,其不仅在施用后的短时间内显示耐污染性,而且还可以期待较长时间的优异的耐污性,并且符合涂料 涂装钢板所需的膜性能,如耐水性和弯曲加工性,具有很高的环保性和安全性。 热固性组合物本发明涉及一种热固性组合物,其中含有(A)数均分子量为1,000〜10,000,羟值为5〜200mgKOH / g的聚酯树脂作为必要成分,(B)0.5 相对于前述组分(A)的羟基为2.0当量,化合物(B)为与组分(A)的羟基具有反应性的封端脂族多异氰酸酯化合物,其中嵌段是甲基乙基酮肟 和/或ε-己内酰胺,(C)相对于组分(A)和组分(B)的总树脂固体质量为0.05-5质量%的由以下通式(I)表示的有机锡化合物。 1] R1-Sn-(0)C = 0)-R2)3(I)(式中的R1表示其具有1-24个碳的有机基团,并且通过C原子直接与Sn原子结合。 R 2表示其具有1-24个碳的有机基团,并且通过C原子直接与(C = O)的C原子结合),(D)为0.5〜50mas 相对于组分(A)和组分(B))由以下通式(II)表示的有机硅酸盐和/或其缩合产物[化学式2](R3,R4, 式中的R 5和R 6各自为氢原子或1-10碳的有机基团,并且可以相同或不同。 n为1)。 [所选图纸]无