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    • 10. 发明授权
    • Compositions stabilized by dioxopiperazinyl derivatives
    • 由二氧代哌嗪衍生物稳定的组合物
    • US06762226B2
    • 2004-07-13
    • US10272193
    • 2002-10-15
    • Alessandro ZeddaGraziano ZagnoniMassimiliano SalaDario LazzariStephen Mark Andrews
    • Alessandro ZeddaGraziano ZagnoniMassimiliano SalaDario LazzariStephen Mark Andrews
    • C07D40304
    • C08L55/02C08K5/34926C08L59/00C08L59/02C08L69/00C08L2666/14C08L2666/02
    • 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 - 苯乙烯三元共聚物的共混物,以及基于官能丙烯酸酯树脂和交联剂的涂料,其通过加入式I化合物而得到稳定,其中s为1至8; R1,R2 R 3和R 4彼此独立地是C 1 -C 4烷基,或者R 1和R 2或R 3和R 4与它们所连接的碳原子一起形成环戊基或环己基环; R 5是氢; C1-C18烷基; 氧基 哦; CH2CN; C1-C18烷氧基; C5-C12环烷氧基; C3-C8链烯基; C3-C8炔基; C7-C12苯基烷基; C7-C15苯基烷基,其在苯环上被1,2或3个选自C 1 -C 4烷基和C 1 -C 4烷氧基的基团取代; C7-C15苯基烷氧基; C7-C15苯基烷氧基,其在苯环上被1,2或3个选自C 1 -C 4烷基和C 1 -C 4烷氧基的基团取代; 或R 5为C 1 -C 8烷酰基; C3-C5链烯酰基; C1-C18烷酰氧基; 缩水甘油基 或基团-CH 2 CH(OH)-G,其中G是氢,甲基或苯基; 和A如权利要求1所述,显示出对光,氧和热的有害影响的良好抵抗性。