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US 11,268,232 B2Granted
Apparatus and method for pretreatment of printable fabrics
AssigneeEastern Tech LLC
InventorsChristopher Chen, James DeMarco, Shawn Liu
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Abstract
Disclosed is an apparatus for pretreatment of printable fabrics, comprising a washer/extractor; a control apparatus connected to the washer/extractor to control said washer/extractor; and a source of pretreatment chemicals to be added to the washer/extractor in a controlled manner by the control apparatus. Also disclosed are methods of pretreating fabrics using the disclosed apparatus.
Claims26
An apparatus for pretreatment of printable fabrics, comprising:
- a washer/extractor;
- a control apparatus connected to said washer/extractor to control said washer/extractor;
- and
- a source of pretreatment chemicals to be added to said washer/extractor in a controlled manner by said control apparatus;
- wherein said pretreatment chemicals comprise (A) 5% to 70% by weight of at least one multivalent cationic salt;
- (B) 0.1% to 5% by weight of a blocked isocyanate crosslinking agent, and (C) 3% to 40% by weight of a waterborne resin, all percentages based on the weight of the aqueous solution.
3 more elements
Dependencies are inferred from the claim text.