Commercial homopolymer polyamides 1,4-diamino­butane 1,5-diamino­pentane MPMD HMD MXD Nonane­diamine Decane­diamine Dodecane­diamine bis­(para-amino­cyclohexyl)­methane trimethyl­hexamethylene­diamine Adipic acid 46 D6 66 MXD6 Sebacic acid 410 510 610 1010 Dodecanedioic acid 612 1212 PACM12 Terephthalic acid 4T DT 6T 9T 10T 12T TMDT Isophthalic acid DI 6I