Method for regenerating used resin
AssigneeToyoda Gosei Co., Ltd.
InventorsYasuaki TANAKA, Kinji FURUKAWA, Hitoshi UCHIDA
Life of this patent
Estimating the term…
Abstract
A method for regenerating a used resin includes adding 0.03 wt % to 0.3 wt % of an amine compound-based VOC capturing agent to the used resin, performing melt-mixing, capturing at least formaldehyde and acetaldehyde among VOCs contained in the used resin by the VOC capturing agent, and vaporizing and removing volatile odor substances contained in the used resin by decompression.
Claims7
A method for regenerating a used resin, comprising adding 0.03 wt % to 0.3 wt % of an amine compound-based VOC capturing agent to the used resin, performing melt-mixing, capturing at least formaldehyde and acetaldehyde among VOCs contained in the used resin by the VOC capturing agent, and vaporizing and removing volatile odor substances contained in the used resin by decompression.
Dependencies are inferred from the claim text.