Cellulose triacetate
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Cellulose triacetate, triacetate, CTA or TAC is a chemical compound produced from cellulose and a source of acetate esters, typically acetic anhydride. Triacetate is commonly used for the creation of fibres and film base. It is chemically similar to cellulose acetate. Its distinguishing characteristic is that in triacetate, at least "92 percent of the hydroxyl groups are acetylated."[1] During the manufacture of triacetate, the cellulose is completely acetylated; whereas in normal cellulose acetate or cellulose diacetate, it is only partially acetylated. Triacetate is significantly more heat resistant than cellulose acetate.
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Quick Facts Names, Identifiers ...
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Other names
2,3,6-Tri-O-acetyl cellulose; cellulose triacetate polymer; triacetylcellulose | |
Identifiers | |
ChemSpider |
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ECHA InfoCard | 100.115.198 |
CompTox Dashboard (EPA) |
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Properties | |
variable | |
Molar mass | variable |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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