Degradation of polyurethanes in compost under natural conditions

The estimation of degradability of different polyurethanes under natural weather depending conditions in compost pile was the subject of this study. The incubation of polymer samples took place for a period up to 24 months. The characteristic parameters of the compost: temperature, pH, moisture cont...

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Bibliographic Details
Published in:Journal of applied polymer science 2012-09, Vol.125 (6), p.4252-4260
Main Authors: Krasowska, Katarzyna, Janik, Helena, Gradys, Arkadiusz, Rutkowska, Maria
Format: Article
Language:English
Subjects:
Ageing
Applied sciences
Climatology
compost
Composting
Degradation
Exact sciences and technology
Materials science
Moisture content
morphology
Physical properties
Polymer industry, paints, wood
Polymers
Polyurethane resins
polyurethanes
Properties and testing
Reproduction
Technology of polymers
Tensile strength
thermal properties
Weather
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Summary:The estimation of degradability of different polyurethanes under natural weather depending conditions in compost pile was the subject of this study. The incubation of polymer samples took place for a period up to 24 months. The characteristic parameters of the compost: temperature, pH, moisture content, and activity of dehydrogenases were monitored and their influence on degradation of polyurethanes was discussed. The compostability of polyurethanes was investigated by changes of weight, tensile strength, morphology, and thermal properties. The degradation study revealed that the degree of degradation of polyurethanes in the natural environment, like compost, is dependent on their chemical and structural composition. © 2012 Wiley Periodicals, Inc. J Appl Polym Sci, 2012
ISSN:0021-8995
1097-4628
DOI:10.1002/app.36597