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    • 4. 发明授权
    • Salicylic acid hydrazide stabilizers for polymers
    • 聚合物的水杨酸酰肼稳定剂
    • US3948854A
    • 1976-04-06
    • US575669
    • 1975-05-08
    • Siegfried RosenbergerKurt Schwarzenbach
    • Siegfried RosenbergerKurt Schwarzenbach
    • C10M101/00C07C281/02C08K5/00C08K5/22C08K5/25C08K5/36C08L7/00C08L21/00C08L23/00C08L101/00C09K15/22C09K15/24C09K15/28C11B5/00C08J3/20
    • C07C281/02C08K5/25C09K15/24C10M2207/026C10M2207/40C10M2207/404C10M2215/08C10M2215/082C10M2215/28C10M2219/084
    • Compounds of the formula ##SPC1##In which R.sub.1 denotes hydrogen, alkyl with 1-8 carbon atoms, alkenyl with 3 or 4 carbon atoms, cycloalkyl with 5-8 carbon atoms, aralkyl with 7-9 carbon atoms, phenyl, chlorine, bromine, hydroxyl, alkoxy with 1-18 carbon atoms or acyloxy with 2-18 carbon atoms, R.sub.2 denotes hydrogen, alkyl with 1-5 carbon atoms, alkenyl with 3 or 4 carbon atoms, cyclohexyl, aralkyl with 7-9 carbon atoms, chlorine or bromine, n denotes 1 and A denotes alkyl with 1-21 carbon atoms, alkenyl with 3-6 carbon atoms, alkynyl with 3-6 carbon atoms, oxaalkyl with 2-21 carbon atoms, thiaalkyl with 2-21 carbon atoms, the hetero-atoms in the oxaalkyl or thiaalkyl radical being separated from one another and/or from the oxygen atom to which these radicals are bonded, by at least 2 carbon atoms, cyclohexyl or benzyl, or n denotes 2 and A denotes alkylene with 2-10 carbon atoms, alkenylene with 4 carbon atoms, alkynylene with 4 carbon atoms, oxaalkylene with 4-10 carbon atoms or thiaalkylene with 4-10 carbon atoms, the hetero-atoms in the oxaalkylene or thiaalkylene radical being separated from one another and/or from the oxygen atom to which these radicals are bonded, by at least 2 carbon atoms, can be used for stabilising organic material, especially in the presence of metals.
    • 式Ⅰ化合物其中R 1表示氢,具有1-8个碳原子的烷基,具有3或4个碳原子的烯基,具有5-8个碳原子的环烷基,具有7-9个碳原子的芳烷基,苯基,氯,溴,羟基, 具有1-18个碳原子的烷氧基或具有2-18个碳原子的酰氧基,R2表示氢,具有1-5个碳原子的烷基,具有3或4个碳原子的烯基,环己基,具有7-9个碳原子的芳烷基,氯或溴, n表示1且A表示具有1-21个碳原子的烷基,具有3-6个碳原子的烯基,具有3-6个碳原子的炔基,具有2-21个碳原子的氧杂烷基,具有2-21个碳原子的硫代烷基,杂原子 在氧杂烷基或硫代烷基中相互分离和/或与这些基团键合的氧原子相同,至少2个碳原子,环己基或苄基,或n表示2,A表示具有2-10个碳原子的亚烷基 具有4个碳原子的亚烯基,具有4个碳原子的亚炔基,4-10个碳原子的氧杂亚烷基或具有 4-10个碳原子,氧杂亚烷基或硫代亚烷基中的杂原子彼此分开和/或与这些基团键合的氧原子至少2个碳原子,可用于稳定有机材料, 特别是在金属的存在下。