Nylon 4,I: an amorphous polyamide

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Gaymans, R.J. and Ham, A.G.J. van der (1984) Nylon 4,I: an amorphous polyamide. Polymer, 25 (12). pp. 1755-1758. ISSN 0032-3861

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Abstract:The melt polymerization of nylon 4, I was studied, starting with nylon-salt and nylon prepolymers (ηinh=0.25). With nylon-salt only low molecular polymers were obtained, while with prepolymers the inherent viscosity could be raised to 0.77 (3h, 270°, vac.). The cyclization of tetra methylene diamine to pyrrolidine seem to be the major disturbing factor. The polymer is glassy and could easily be melt pressed. The torsion modulus of the material at 20°C was high (1.8 109 Pa) and remained high to near its Tg (138°C).
Item Type:Article
Copyright:© 1984 Elsevier Science
Faculty:
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/69283
Official URL:http://dx.doi.org/10.1016/0032-3861(84)90247-7
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