Multiple choice Which of the following is a pair of polyesters? Styron and Teflon Styron and Dacron Dacron and Glyptal Glyptal and Perlon Teflon and Perlon Reveal answer Fill a bubble to check yourself C Correct answer Explanation Dacron and glyptal are polyesters. Dacron is a copolymer of ethylene glycol and terephthalic acid. Glyptal is copolymer of ethylene glycol and phthalic acid.