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ISSN: 2306-1774 (Online)

ISSN: 2079-7958 (Print)

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Influence of thermo-mechanical recycling on the structure and properties of materials formed from waste foamed polyurethane


УДК 678.664

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SUMMARY

In the article, influence of multiply processing on the structure and physicalmechanical properties of material formed from waste pieces of foamed polyurethane soles is investigated.

Test pieces were produced on a screw extruder by means of multiply thermomechanical recycling. Then they were finally formed in compression mould under pressure of 4.5 MPa with using temperature at the range of 90 to 95 °С. Researches were made on «INSTRON» test unit and Fourier-transform infra-red spectrometer of Intertech Trading Corporation, USA. It is defined, that multiply thermo-mechanical processing on a screw extruder does not influence on the structure of secondary materials formed from waste pieces of foamed polyurethane soles. Strength properties of material decrease because of reduction of polymer molecular weight.

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Матвеев, К. С. Влияние процесса термомеханического рециклинга на структуру и свойства материалов, изготовленных из отходов пенополиуретана / К. С. Матвеев, В. В. Пятов // Вестник Витебского государственного технологического университета . ─ 2010. ─ № 18. ─ С. 53