4701. __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol).

Unsaturated polyester
Alkyd resins
Saturated polyester
Amino resins
✅ The correct answer is option B.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top