2010
DOI: 10.14314/polimery.2010.817
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Polyurethane foams based on oligoetherols obtained from 6-aminouracil and alkylene carbonates

Abstract: The method of synthesis of polyurethane foams with good thermal stability, containing a 1,3-pyrimidine ring is presented. Oligoetherols obtained in reactions of 6-aminouracil (6-AU) with excess of ethylene carbonate (EC) and propylene carbonate (PC) were used as polyol substrates for synthesis of these foams. Properties of the foams, such as apparent density, water absorption, dimensional stability, thermal stability and compression strength were studied. The obtained foams show a good thermal stability up to … Show more

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Cited by 4 publications
(18 citation statements)
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“…Apparent density of the foams is in the range 29.5–47.2 kg/m 3 (Table VI), and it is comparable with apparent density of foams obtained from polyetherols based on oxiranes11 and alkylene carbonates 12. All the foams can be characterized as rigid.…”
Section: Resultssupporting
confidence: 64%
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“…Apparent density of the foams is in the range 29.5–47.2 kg/m 3 (Table VI), and it is comparable with apparent density of foams obtained from polyetherols based on oxiranes11 and alkylene carbonates 12. All the foams can be characterized as rigid.…”
Section: Resultssupporting
confidence: 64%
“…6). Absorption of water of the foams is comparable to the absorption of foams made from polyetherols synthesized from carbonates (3.1–15.2 wt %),12 and it is a little lower than absorption of foams made from polyetherols synthesized from oxiranes (5.8–32.5 wt %) 11…”
Section: Resultsmentioning
confidence: 89%
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