Method of chemical treatment for loose fibers
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United States of America Patent
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Jul 23, 2019
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N/A
app pub date -
Dec 13, 2017
filing date -
Dec 13, 2017
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Abstract
A continuous process for the wet chemical treatment of fibers employs one or more squeezing/opening operations post chemical treatment to provide even chemical distribution on the fibers being processed. For squeezing the fiber batt impregnated with chemicals, one or more sets of squeeze rollers which include at least one roller with grooves are used to remove the liquid chemicals from the fiber batt efficiently. The squeezing operation can be coupled with the ability to collect and recycle chemicals for reuse in the chemical treatment process. The continuous process for the chemical treatment of fibers may employ the use of a blending box for the dried chemical-treated fibers in order to compensate for any uneven chemical distribution on fibers occurred during the chemical treatment process.
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