Succinic anhydride
Encyclopedia
Succinic anhydride, also called dihydro-2,5-furandione, is an organic compound
with the molecular formula C4H4O3. It is the acid anhydride of succinic acid
.
or wet strength additive
in paper production.
Organic compound
An organic compound is any member of a large class of gaseous, liquid, or solid chemical compounds whose molecules contain carbon. For historical reasons discussed below, a few types of carbon-containing compounds such as carbides, carbonates, simple oxides of carbon, and cyanides, as well as the...
with the molecular formula C4H4O3. It is the acid anhydride of succinic acid
Succinic acid
Succinic acid is a dicarboxylic acid. Succinate plays a biochemical role in the citric acid cycle. The name derives from Latin succinum, meaning amber, from which the acid may be obtained....
.
Applications
Alkyl succinic anhydride (ASA) is used as a sizing agentSizing
Sizing or size is any one of numerous specific substances that is applied to or incorporated in other material, especially papers and textiles, to act as a protecting filler or glaze....
or wet strength additive
Wet strength
Wet strength of paper is a measure of how well the fibreweb is holding together upon a force of rupture. Wet strength is routinely expressed as the ratio of wet to dry tensile force at break.-Mechanism:...
in paper production.