Method for the treatment of wool
AssigneePrecision Processes Textiles
InventorsDavid Longley Connell, Kenneth Michael Huddlestone
Life of this patent
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Abstract
A method for imparting shrink resistance to wool which comprises treating the wool simultaneously with both hydrogen peroxide and permonosulphuric acid or salts thereof. Preferably, the wool is then further subjected to a polymer treatment. The method may be performed either as a continuous process or as a batch process.
Claims12
A method for the treatment of wool so as to impart shrink resistance, wherein the treated wool meets the requirements for test IWS TM31 standard, consisting of contacting the wool simultaneously with both hydrogen peroxide and permonosulphuric acid or salts of permonosulphuric acid, said method being performed on wool which has not been subjected to pretreatment with chlorine or chlorine generating agents, optionally in the presence of a heavy metal peroxide catalyst and optionally in the presence of an electrolyte salt and optionally applying to said wool one or more polymers.
Dependencies are inferred from the claim text.