Corrosive and toxic chemicals, including tetrabutylammonium hydroxide and p-toluenesulfonyl isocyanate, are employed for the Hydroxyl Number analysis of polyols by titration according to ASTM D4274-16 ...

Polyols and resins are becoming more and more relevant in our lives. Not only used for making polymers, polyols see more use in construction materials, paints and bonding. Titration is commonly used ...