Can wool be made stain resistant ??

[ruff]

We see claims of making wool stain resistant by applying stain blockers.
Is that possible?

My understanding is that with synthetic fibers (nylon) they add an electrical charge to the fiber and an opposite charge to the dye blockers. The negative/positive attraction physically holds the dye blockers in place (blocks the dye site). That is why high alkalinity by reducing the electrical charge, causes the loss of dye resistance (loss of blockers.)

How and does it really work with wool?

Assuming the wool's dye sites work differently.

Also wool accepts dyes in all it's parts, everywhere, as opposed to artificially created dye sites on synthetic. So will there be enough dye blockers to physically do the job?

 

[J Scott W]

It can be done. Doing a lot of testing on this recently. When possible I will share some photos.

The dye sites are somewhat different, but the charge of the acid dye blockers does repel the charge of artificial food dyes such as children's drinks.