Our "water-soluble phenolic resin" strongly bonds and adheres to nylon fibers and acidic dyes.
As an example of the applications of our water-soluble phenolic resin, we would like to introduce the "Nylon Fixing Agent." Our water-soluble phenolic resin is a resol resin made from dihydroxydiphenylsulfone (DHDPS) and phenolsulfonic acid. DHDPS has an electron-withdrawing sulfonyl group at its center, which gives it a much stronger hydrogen bonding capability at both ends compared to ordinary compounds like phenol, cresol, or tannic acid, allowing it to form strong hydrogen bonds with the azo groups of acidic dyes. By utilizing the ionic bonding strength between the terminal amino groups of nylon fibers and the sulfonic acid groups of the water-soluble phenolic resin, as well as the hydrogen bonding strength between the azo groups of acidic dyes and the hydroxyl groups of the water-soluble phenolic resin, the dye is fixed onto the fibers. *For more details, please refer to the PDF document or feel free to contact us.*
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basic information
Water-soluble phenolic resin - Resole resin of dihydroxydiphenyl sulfone (DHDPS) and phenol sulfonic acid - Solid content concentration: 30% - pH: 9-10 *For more details, please refer to the PDF document or feel free to contact us.*
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Applications/Examples of results
【Example of Processing Method】 ■ After dyeing nylon fibers with acid dye, fix the acid dye with phenolic resin. ■ Dyeing ・Fiber: Nylon jersey ・Dye: Aminyl Red E-3BL ■ Testing Equipment ・Infrared heating rotary pot dyeing testing machine: Manufactured by TEXAM Co., LTD. (UR; MINI-COLOR.V5) ・Auto mini setter: Manufactured by DAIEI KAGAKUSEIKI MFG. Co., LTD.) *For more details, please refer to the PDF document or feel free to contact us.
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Company information
KONISHI Chemical Industry Co., Ltd. develops, manufactures, sells, and provides contract manufacturing of functional chemicals used in a wide range of applications, including information electronic materials, functional resins, special monomers, silicon-based organic/inorganic hybrid materials, and pharmaceutical intermediates. We strive to translate new technologies and customer needs into chemistry in our own way, challenging ourselves to design new functional materials.