Control of resin release from particleboards by gamma irradiation. I. Thermal decomposition behavior and structure morphology

El‐Naggar, A. M.; Kandeel, Kamal A.; Khafaga, Mervat R.; Zahran, A. H.

doi:10.1002/app.2143.abs

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“…Water uptake by polymers affects vital properties of polymer materials, such as physical, mechanical, and structural properties 22, 23. Figure 7 presents the effect of the TEA concentration on the moisture uptake of the copolymer.…”

Section: Resultsmentioning

confidence: 99%

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Preparation and characterization of a low‐formaldehyde‐emission methylol urea/triethanolamine copolymer composite

Barminas

Osemeahon

2009

J of Applied Polymer Sci

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A low-formaldehyde-emission methylol urea/triethanolamine composite was synthesized through in situ esterification of formaldehyde with triethanolamine and subsequent copolymerization of the synthesized polyester with methylol urea. The effects of the addition of triethanolamine to the polymerization process on some physical properties of the synthesized copolymer were evaluated. The copolymer was characterized with IR spectroscopy and macrophase-separation techniques. At a given triethanolamine concentration, the composite exhibited macrophaseseparation behavior between that of pure methylol urea and pure polyester. IR spectra showed the presence of the polyester moiety in the composite. The values of the moisture uptake, formaldehyde emission, melting point, and elongation at break of the copolymer were within acceptable levels required in the coating industry. Therefore, the methylol urea/polyester copolymer resin could have potential as a binder in the coating industry.

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Section: Resultsmentioning

confidence: 99%

“…The emission of hazardous formaldehyde during curing is one of the major disadvantages of urea formaldehyde resins 2, 10, 23. Hence, the reduction of this pollutant is an important environmental requirement.…”

Section: Resultsmentioning

confidence: 99%

Preparation and characterization of a low‐formaldehyde‐emission methylol urea/triethanolamine copolymer composite

Barminas

Osemeahon

2009

J of Applied Polymer Sci

View full text Add to dashboard Cite

show abstract

Control of resin release from particleboards by gamma irradiation. I. Thermal decomposition behavior and structure morphology

Cited by 1 publication

References 0 publications

Preparation and characterization of a low‐formaldehyde‐emission methylol urea/triethanolamine copolymer composite

Preparation and characterization of a low‐formaldehyde‐emission methylol urea/triethanolamine copolymer composite

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