Method for adjusting pH in textile processing solutions with urea hydrochloride salt
AssigneePeach State Labs, Inc.
InventorsR. Richard Sargent, Jeffrey R. Alender
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Abstract
A method for the adjustment of pH in textile processing solutions that includes the use of urea sulfate or other strong acid in the presence of a weak base.
Claims8
A method for lowering pH in a textile dyebath comprising:
- adding to the textile dyebath a pH lowering effective amount of urea hydrochloride salt, having an equivalents ratio of urea to hydrochloric acid between 1:4 and 4:1.
A method for lowering pH in a textile finishing solution comprising adding to the textile finishing solution a pH lowering effective amount of urea hydrochloride salt, having an equivalents ratio of urea to hydrochloric acid between 1:4 and 4:1, wherein the finishing solution contains at least one finishing chemical selected from the group consisting of stain blocking agents, fluorochemicals, fabric softeners, stabilizers, UV absorbers, optical brighteners, sewing assist agents, antistatic agents, waterproofing agents, durable resins, starches, and sizes.
Dependencies are inferred from the claim text.