NBN ISO 14932:2023

Rubber compounding ingredients — Organic vulcanizing agents — Determination of organic peroxide content (ISO 14932:2023)

ACTIVE

About this standard

Languages
English
Type
NBN
Standards committee
ISO/TC 45/SC 3 (Raw materials (including latex) for use in the rubber industry)
Status
ACTIVE
Publication date
21 December 2023
ICS Code
83.040.20 (Rubber compounding ingredients)
Withdrawn Date
Price
€ 145,00

About this training

Summary

< p class=" MsoBodyText" > < span lang=" EN-GB" > 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.< / span>


< p class=" ListNumber1" style=" mso-list: l0 level1 lfo1 " > < !-- [if !supportLists]--> < span lang=" EN-GB" style=" mso-fareast-font-family: Cambria mso-bidi-font-family: Cambria " > < span style=" mso-list: Ignore " > a)< span style=" font: 7.0pt ' Times New Roman' " >        < / span> < / span> < / span> < !--[endif]--> < span lang=" EN-GB" > titration method A for group a: Peroxyketals:< / span>


< p class=" BodyTextindent1" > < span lang=" EN-GB" > 1,1-Di(< em style=" mso-bidi-font-style: normal " > tert< / em> -butylperoxy)cyclohexane (DTBPC CAS Registry Number®< / span> < span lang=" EN-GB" > :3006-86-8)< / span>


< p class=" BodyTextindent1" > < span lang=" EN-GB" > 1,1-Di(< em style=" mso-bidi-font-style: normal " > tert< / em> -butylperoxy)-2-methylcyclohexane (DBPMC CAS RN 147217‑40‑1) < / span>


< p class=" BodyTextindent1" > < span lang=" EN-GB" > 1,1-Di(< em style=" mso-bidi-font-style: normal " > tert< / em> -butylperoxy)-3,3,5-trimethylcylcohexane (DBPTC CAS RN 6731‑36‑8) < / span>


< p class=" BodyTextindent1" > < span lang=" EN-GB" > 2,2-Di(< em style=" mso-bidi-font-style: normal " > tert< / em> -butylperoxy)butane (DBPB CAS RN 2167‑23‑9) < / span>


< p class=" BodyTextindent1" > < span lang=" EN-GB" > Butyl −4,4-di(< em style=" mso-bidi-font-style: normal " > tert< / em> -butylperoxy)valerate (BPV CAS RN 995‑33‑5) < / span>


< p class=" ListNumber1" style=" mso-list: l0 level1 lfo1 " > < !-- [if !supportLists]--> < span lang=" EN-GB" style=" mso-fareast-font-family: Cambria mso-bidi-font-family: Cambria " > < span style=" mso-list: Ignore " > b)< span style=" font: 7.0pt ' Times New Roman' " >        < / span> < / span> < / span> < !--[endif]--> < span lang=" EN-GB" > titration method B for group b: Diacyl peroxides:< / span>


< p class=" BodyTextindent1" > < span lang=" FR" style=" mso-ansi-language: FR " > Dibenzoyl peroxide (CAS RN 94‑36‑0) < / span>


< p class=" BodyTextindent1" > < span lang=" FR" style=" mso-ansi-language: FR " > Di(2,4-dichlorobenzoyl) peroxide (CAS RN 133‑14‑2) < / span>


< p class=" BodyTextindent1" > < span lang=" FR" style=" mso-ansi-language: FR " > Di(4-methylbenzoyl) peroxide (CAS RN 895‑85‑2) < / span>


< p class=" ListNumber1" style=" mso-list: l0 level1 lfo1 " > < !-- [if !supportLists]--> < span lang=" EN-GB" style=" mso-fareast-font-family: Cambria mso-bidi-font-family: Cambria " > < span style=" mso-list: Ignore " > c)< span style=" font: 7.0pt ' Times New Roman' " >         < / span> < / span> < / span> < !--[endif]--> < span lang=" EN-GB" > titration method C for group c: Diaralkyl and alkyl-aralkyl peroxides:< / span>


< p class=" BodyTextindent1" > < span lang=" EN-GB" > Di(tert-butylperoxyisopropyl)benzene (CAS RN 2212‑81‑9) < / span>


< p class=" BodyTextindent1" > < span lang=" EN-GB" > Dicumyl peroxide (CAS RN 80‑43‑3) < / span>


< p class=" BodyTextindent1" > < span lang=" EN-GB" > tert-Butyl cumyl peroxide (CAS RN 3457‑61‑2) < / span>


< p class=" ListNumber1" style=" mso-list: l0 level1 lfo1 " > < !-- [if !supportLists]--> < span lang=" EN-GB" style=" mso-fareast-font-family: Cambria mso-bidi-font-family: Cambria " > < span style=" mso-list: Ignore " > d)< span style=" font: 7.0pt ' Times New Roman' " >        < / span> < / span> < / span> < !--[endif]--> < span lang=" EN-GB" > gas-chromatography for dialkyl peroxides, using a capillary or packed column.< / span>


< p class=" BodyTextindent1" > < span lang=" EN-GB" > 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane (CAS RN 78‑63‑7)< / span>