The structures of some important polyamides used in various industries and their melting temperature, Tm is shown in image. Why each of the polymers gives different melting temperature, Tm? Which of...

The structures of some important polyamides used in various industries and their melting temperature, Tm is shown in image.

Why each of the polymers gives different melting temperature, Tm?

Which of the listed polyamide will give the LOWEST and the HIGHEST glass transition temperature, Tg? Why?

300 °C Nomex >300 °C Kevlar IZ "/>
Extracted text: m N-(CH2)6-N-ċ-CH2)4" H 264 °C H Nylon 66 -N-(CH2)6-N- H (CH2)8- 215 °C Nylon 610 -N-(CH2)5- H 223 °C Nylon 6 H -N. >300 °C Nomex >300 °C Kevlar IZ