Cyclic Polyamides from Nylon 6 and 6.6 Polymers: Constitution of the Cyclic Polyamides isolated from Nylon 6 Polymers
β Scribed by HERMANS, P. H.
- Book ID
- 109588065
- Publisher
- Nature Publishing Group
- Year
- 1956
- Tongue
- English
- Weight
- 239 KB
- Volume
- 177
- Category
- Article
- ISSN
- 0028-0836
- DOI
- 10.1038/177126a0
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## Abstract Rate and extent of both decarboxylation and desamination in the temperature range of 250β290Β°C were studied on equilibrium polymers obtained by the hydrolytic polymerization of Ξ΅βcaprolactam. Mechanisms have been proposed that are characterized by the participation of the equilibrium mo
The characteristic static SIMS spectra of the cyclic monomer of Nylon-6,6 have been obtained from the isolated and puriΓed material. The spectra are sufficiently di β erent from those obtained from bulk Nylon-6,6 polymer. Intense fragment ions corresponding to (M + H)' and (M Γ H)-are observed in the