A method of manufacturing a polyelectrolyte having the step of sulfonating polystyrene resin in a state where the polystyrene resin has been dissolved or dispersed in solvent composed of alicyclic compounds.

Een methode om polyelectrolyte te vervaardigen die de stap van het sulfoneren van polystyreenhars heeft in een staat waar de polystyreenhars is opgelost of in oplosmiddel verspreid dat uit alicyclische samenstellingen wordt samengesteld.
 
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> Method for the prevention, inhibition, or treatment of vaginitis and/or bacterial vaginosis using polystyrene sulfonate

> Extrusion-foamed board of resin blend comprising modified polypropylene resin and polystyrene resin
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