BINDING STRING FOR COLLECTED USED PAPER

摘要

PURPOSE:To provide the string for binding collected used papers which is subjected to pulp recovering process without requiring its removal from the used papers and is easily decomposed and vanished under an alkaline condition for use in pulp recovery. CONSTITUTION:The string for binding collected used papers comprises a thermoplastic polymer consisting mainly of a copolymer of polylactic acid or lactic acid and other hydroxycarboxylic acid.