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CEN

EN 1241:1998

(Main)

Adhesives - Determination of acid value

Adhesives - Determination of acid value

This standard specifies a method for determination of the acid value of adhesives, adhesive components, their basic constituents, and related products. In some cases, notably when unsaturated polyesters with free anhydrides are present, somewhat lower than theoretical acid values are found, due to the formation of acid esters which precipitate and, are therefore, not determined.

Klebstoffe - Bestimmung der Säurezahl

Diese Norm legt ein Verfahren zur Bestimmung der Säurezahl von Klebstoffen, deren Grundbestandteilen sowie bei verwandten Produkten fest. In einigen Fällen, namentlich in Anwesenheit ungesättigter Polyester mit freien Anhydridgruppen, werden etwas geringere als die theoretischen Säurezahlen gefunden und zwar infolge der Bildung von Säureestern, die sich ausscheiden und daher nicht erfaßt werden.

Adhésifs - Détermination de l'indice d'acidité

La présente norme spécifie une méthode pour la détermination de l'indice d'acidité des adhésifs des comoposants d'adhésifs, de leurs constituants de base et des produits connexes. Dans certains cas, particulièrement lorsque des polyesters non saturés avec des anhydrides libres sont présents, on trouve un indice d'acidité quelque peu inférieur à la valeur théorique, en raison de la formation d'esters acides qui précipitent et par conséquent, ne sont pas déterminés.

Lepila - Določevanje kislinskega števila

General Information

Status
Published
Publication Date
17-Feb-1998
Withdrawal Date
30-Aug-1998
ICS
83.180 - Adhesives
Technical Committee
CEN/TC 193 - Adhesives
Drafting Committee
CEN/TC 193/WG 1 - General terminology - General physical and chemical tests
Current Stage
9093 - Decision to confirm - Review Enquiry
Completion Date
22-Oct-2020
Ref Project
SIST EN 1241:1999 - Adhesives - Determination of acid value

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Klebstoffe - Bestimmung der SäurezahlAdhésifs - Détermination de l'indice d'aciditéAdhesives - Determination of acid value83.180LepilaAdhesivesICS:Ta slovenski
...

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