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Polyamide Chemistry |
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| Nylon 6,12 |
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| Nylons are the polyamide products from the polycondensation of diamines with dicarboxylic acids. Dodecanedioic Acid (DDDA) is used as the diacid monomer in Nylon 6,12 adhesives, resins and filaments. |
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| As engineering polymers and filaments the applications take advantage of the very low water absorbing properties of Nylon 6,12. Parts made out of Nylon 6,12 are used where low swelling and high dimensional stability in a humid environment are required. The monofilament applications such as fishing line, toothbrush bristles and paintbrush bristles rely on both the extremely low water absorption and the high toughness and flexibility of Nylon 6,12 for their outstanding performance. In the adhesives segment Nylon 6,12 is used in lower melting, non-reactive hot melt formulations. |
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| Nylon 12 |
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| Nylon 12 is produced by the ring opening homopolymerization of lactams. The intermediate product mixture of Cyclododecanol/Cyclododecanone serves as a feed stock for laurolactam production. |
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Engineering polymer grades of Nylon 12 find broad applications in sports and recreational products, as well as in demanding automotive applications. Nylon 12 has low moisture absorption and high dimensional stability but its outstanding impact resistance, especially at lower temperatures, and its low swelling in fuels makes it ideally suited for these segments.
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