标准摘要
[中文适用范围]: 本文件规定了测定用作橡胶硫化剂的下列几组有机过氧化物含量的四种方法。有三种滴定法和一种气相色谱法。a) 组 a 的滴定法 A:过氧缩酮:1,1-二(叔丁基过氧)环己烷 (DTBPC;CAS 登记号®1):3006-86-8) 1,1-二(叔丁基过氧)-2-甲基环己烷 (DBPMC;CAS RN 147217-40-1);1,1-二(叔丁基过氧)-3,3,5-三甲基环己烷 (DBPTC;CAS RN 6731-36-8);2,2-二(叔丁基过氧)丁烷 (DBPB;CAS RN 2167-23-9);丁基-4,4-二(叔丁基过氧)戊酸酯 (BPV;CAS RN 995-33-5);b) b 组滴定方法 B:二酰基过氧化物:过氧化二苯甲酰 (CAS RN 94-36-0);过氧化二(2,4-二氯苯甲酰) (CAS RN 133-14-2);过氧化二(4-甲基苯甲酰) (CAS RN 895-85-2);c) c 组滴定方法 C:二芳烷基和烷基芳烷基过氧化物:二(叔丁基过氧异丙基)苯 (CAS RN 2212-81-9);过氧化二枯基 (CAS RN 80-43-3);过氧化叔丁基枯基 (CAS RN 3457-61-2);d) 二烷基过氧化物气相色谱法,使用毛细管柱或填充柱。 2,5-二甲基-2,5-二(叔丁基过氧)己烷(CAS RN 78-63-7) [外文原描述]: This document specifies four methods for the determination of the content of the following groups of organic peroxides used as rubber vulcanizing agents. There are three titration methods and one gas-chromatography method. a) titration method A for group a: Peroxyketals: 1,1-Di( tert -butylperoxy)cyclohexane (DTBPC; CAS Registry Number ® :3006-86-8) 1,1-Di( tert -butylperoxy)-2-methylcyclohexane (DBPMC; CAS RN 147217‑40‑1); 1,1-Di( tert -butylperoxy)-3,3,5-trimethylcylcohexane (DBPTC; CAS RN 6731‑36‑8); 2,2-Di( tert -butylperoxy)butane (DBPB; CAS RN 2167‑23‑9); Butyl −4,4-di( tert -butylperoxy)valerate (BPV; CAS RN 995‑33‑5); b) titration method B for group b: Diacyl peroxides: Dibenzoyl peroxide (CAS RN 94‑36‑0); Di(2,4-dichlorobenzoyl) peroxide (CAS RN 133‑14‑2); Di(4-methylbenzoyl) peroxide (CAS RN 895‑85‑2); c) titration method C for group c: Diaralkyl and alkyl-aralkyl peroxides: Di(tert-butylperoxyisopropyl)benzene (CAS RN 2212‑81‑9); Dicumyl peroxide (CAS RN 80‑43‑3); tert-Butyl cumyl peroxide (CAS RN 3457‑61‑2); d) gas-chromatography for dialkyl peroxides, using a capillary or packed column. 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane (CAS RN 78‑63‑7)
英文名称Rubber compounding ingredients — Organic vulcanizing agents — Determination of organic peroxide content