Difference between revisions of "Carboxymethyl cellulose"
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Latest revision as of 13:42, 20 May 2022
Description
1) A hard, transparent polymer. Carboxymethyl cellulose, or CMC, is glossy and has good impact strength. However it is sensitive to moisture and most chemicals. Carboxymethyl cellulose is used for small containers, handles, eyeglass frames, pens, toys and packaging.
2) Carboxymethyl cellulose is a common name for Sodium carboxymethyl cellulose.
Synonyms and Related Terms
CMC; carboxymethylcellulose (Fr.); carboximetilcelulosa (Esp.); carbossimetil cellulosa (It.); carboximetilcelulose (Port.)
Collections Risks
Links to Oddy Test results posted on AIC Wiki Materials Database Pages for individual materials below
Carboxymethyl Cellulose tested in 2013
Physical and Chemical Properties
- Affected by water, acids, alkalis, alcohols, esters, ketones, phenols, oils
- Insoluble in carbon tetrachloride, perchloroethylene.
- Refractive Index = 1.51
Resources and Citations
- Website: www.me.umist.ac.uk.historyp/cmc
- Conservation termlist - www.hants.org.uk/museums
- Wikipedia: http://en.wikipedia.org/wiki/Carboxymethyl_cellulose (Accessed Jan. 15, 2006)