Master Batch to Acid Dye PP
Master Batch to Acid Dye PP
(OP)
What should I use as a master batch to melt blend in a pp fiber extruder to cause the pp to dye when exposed to an acid dye bath?
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Master Batch to Acid Dye PP
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RE: Master Batch to Acid Dye PP
replacing 100% of the PP with nylon 6 will do it.
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RE: Master Batch to Acid Dye PP
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RE: Master Batch to Acid Dye PP
They tend to block of from nylon when all the amide sites are occupied. I think the dyes are anionic and the amide groups are cationic, so creating any cationic groups will attract the dyes. Sometimes it is a problem with straight nylon to get the required depth of shade, so alloys of polypropylene will be even more difficult to dye to dark shades.
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