Polyesters containing dialkyl substituted sulfo-carboxylic acids
Abstract
Abstract A HIGH THERMAL STABILITY TEXTILE FIBER PRODUCED FROM A POLYMER OF (A) A DICARBOXYLIC ACID COMPONENT CONSISTING ESSENTIALLY OF AT LEAST 80 MOLE PERCENT TEREPHTHALIC ACID, OR AN ESTERIFIABLE DERIVATIVE THEREOF, (B) A DIOL COMPONENT SELECTED FROM THE GROUP CONSISTING OF ETHYLENE GLYCOL, 1,5-BUTANEDIOL, AND 1,4-CYCLOHEXANEDIMETHANOL, AND (C) FROM ABOUT 1-25 MOLE PERCENT, BASED ON THE TOTAL MOLES OF DICARBOXYLIC ACID COMPONENT OF A HIGH THERMAL STABILITY DYE IMPROVING ADDITIVE, OR AN ESTRIFIABLE DERIVATIVE THEREOF, CORRESPONDING TO THE STRUCTURE HOOC-C(-R)2-SO3-M OR HOOC-C(-R)2-CH2-SO3-M WHEREIN R IS A MONOVALENT ALKYL RADICAL HAVING FROM 1-4 CARBON ATOMS, AND M IS AN ION OF A DIVALENT METAL OR AN ALKALI METAL.
Inventors
- 👤 John R Caldwell
Bibliographic Details
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