<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31341126</termId><termName>mercerizing</termName><termType>PT</termType><termNote><![CDATA[ Treatment of cotton yarn or fabric by immersion in a caustic solution of sodium hydroxide or other chemical base. Fibers so treated swell permanently, and the cotton is made stronger and more lustrous. Named after Alexander Mercer (1791-1866), who perfected the process.  ]]></termNote><termCreatedDate>2026-03-30 20:32:00</termCreatedDate><relation><relationType>UF</relationType><termId>31341127</termId><termName>mercerisation</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31341128</termId><termName>mercerization</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31341129</termId><termName>mercerized</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31317164</termId><termName>textile finishing processes and techniques</termName><termType>PT</termType></relation></term>  </Zthes>