Condensation product prepared from N,N'-ethyleneurea and formaldehyde
A solid and water-insoluble condensation product of N,N'-ethyleneurea with formaldehyde, having the structure:wherein n is an integer from 20 to 60 with a mean value of 41, and having an average number molecular weight Mn ranging from 2000 to 6000.Such a product, when added to a polymer in comb...
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Hauptverfasser: | , , , , , |
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A solid and water-insoluble condensation product of N,N'-ethyleneurea with formaldehyde, having the structure:wherein n is an integer from 20 to 60 with a mean value of 41, and having an average number molecular weight Mn ranging from 2000 to 6000.Such a product, when added to a polymer in combination with an ammonium phosphate, permits the production of articles having good resistance to heat and to thermo-oxidation. |
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