申请人:Ciba Specialty Chemicals Corporation
公开号:US06762226B2
公开(公告)日:2004-07-13
Polyoxymethylene, blends of polycarbonate with acrylonitrile-butadiene-styrene terpolymer, and coatings based on a functional acrylate resin and a crosslinking agent, which are stabilized by addition of a compound of the formula I
wherein s is from the range 1 to 8;
R1, R2, R3 and R4, independently of each other, are C1-C4alkyl, or R1 and R2 or R3 and R4, together with the carbon atom to which they are bound, form a cyclopentyl or cyclohexyl ring;
R5 is hydrogen; C1-C18alkyl; oxyl; OH; CH2CN; C1-C18alkoxy; C5-C12cycloalkoxy; C3-C8alkenyl; C3-C8alkynyl; C7-C12phenylalkyl; C7-C15phenylalkyl, which is substituted on the phenyl ring by 1, 2 or 3 radicals selected from C1-C4alkyl and C1-C4alkoxy; C7-C15phenylalkoxy; C7-C15phenylalkoxy, which is substituted on the phenyl ring by 1, 2 or 3 radicals selected from C1-C4alkyl and C1-C4alkoxy; or R5 is C1-C8alkanoyl; C3-C5alkenoyl; C1-C18alkanoyloxy; glycidyl; or a group —CH2CH(OH)-G, in which G is hydrogen, methyl or phenyl; and A is as described in claim 1, show a good resistance against harmful effects of light, oxygen and heat.
聚甲醛,聚碳酸酯与丙烯腈-丁二烯-苯乙烯三元共聚物混合物,以及基于功能丙烯酸酯树脂和交联剂的涂层,通过添加符合以下化合物I的化合物来稳定,其中s取值范围为1至8;R1、R2、R3和R4,彼此独立,为C1-C4烷基,或者R1和R2或R3和R4与它们结合的碳原子一起形成环戊烷或环己烷环;R5为氢;C1-C18烷基;氧化物基;羟基;CH2CN;C1-C18烷氧基;C5-C12环烷氧基;C3-C8烯基;C3-C8炔基;C7-C12苯基烷基;C7-C15苯基烷基,苯环上被1、2或3个来自C1-C4烷基和C1-C4烷氧基的基替代;C7-C15苯基氧基;C7-C15苯基氧基,苯环上被1、2或3个来自C1-C4烷基和C1-C4烷氧基的基替代;或者R5为C1-C8烷酰基;C3-C5烯酰基;C1-C18烷酰氧基;环氧基;或者一个基团—CH2CH(OH)-G,其中G为氢、甲基或苯基;以及A如权利要求1所述,对光、氧气和热的有害影响表现出良好的抵抗能力。