Polyurethane powder coatings containing polysiloxane

Pilch‐Pitera, Barbara

doi:10.1016/j.porgcoat.2014.05.021

Cited by 33 publications

(11 citation statements)

References 21 publications

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“…Literature data show that the secondary cycloaliphatic isocyanate groups have a higher reactivity when DBTL catalyst is used. The primary isocyanatomethyl group, due to its neighborhood with a methyl group, the cyclohexane ring and β-substituted methyl substituent is effectively covered [ 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 ]. As the synthesis continued, the viscosity of the mixture increased, which was related to the reaction of the -NCO groups with the -OH groups.…”

Section: Resultsmentioning

confidence: 99%

Hydrophobic UV-Curable Powder Clear Coatings: Study on the Synthesis of New Crosslinking Agents Based on Raw Materials Derived from Renewable Sources

et al. 2021

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Methods for the synthesis of urethane acrylates used as new crosslinking agents for hydrophobic UV-curable powder clear coatings were developed. In the synthesis of urethane acrylates, isophorone diisocyanate, glycerin, xylitol, polyethylene glycol and polysiloxane KF-6000, as well as 2-hydroxyethyl acrylate or 2-hydroxyethyl methacrylate, were used. In order to increase the functionality of urethane acrylates, glycerin and xylitol derived from renewable sources were introduced. The chemical structure of the urethane acrylates was verified by IR spectroscopy. UV-curable powder clear coatings were obtained through a combination of urethane acrylates with unsaturated polyester resins. The thermal behavior and crosslinking density were examined using DMA. The obtained coatings were evaluated by performing the following tests: roughness, gloss, scratch resistance, hardness, adhesion to steel and water contact angle. As part of this research, high hydrophobicity and scratch resistance of UV-curable powder clear coatings were developed, which are a VOC-free and economically attractive alternative method for low thermal resistance surface protection, such as for composites, wood and wood-based materials.

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Section: Resultsmentioning

confidence: 99%

Hydrophobic UV-Curable Powder Clear Coatings: Study on the Synthesis of New Crosslinking Agents Based on Raw Materials Derived from Renewable Sources

et al. 2021

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“…3, 4, and 5 environments ( Figure 22), and, consequently, all of the O-rings completely failed. Several investigators had studied the mechanism of hydrothermal degradation for silicon rubber [33][34][35]. They reported that three linkages within the FSR structure, Si-CH 3 , -CH 2 , and -O, were vulnerable to rupture in hydrothermal environments.…”

Section: Fepmmentioning

confidence: 99%

Evaluation of the Performance of O-Rings Made with Different Elastomeric Polymers in Simulated Geothermal Environments at 300°C

Sugama

Pyatina

Redline

et al. 2014

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Notice: This manuscript has been authored by an employee of Brookhaven Science Associates, LLC under Contract No. DE-AC02-98CH 10886 with the U.S. Department of Energy. The publisher by accepting the manuscript for publication acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for the United States Government purposes. Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. SAND2014-SAND2014-20707R compatibility with all of the environments. However, one drawback for consideration was the deposition of silicate scales during the exposure in geo-brine fluid. Although FSR possessed the highest thermal decomposition temperature (i.e. enhanced heat stability) among these elastomeric polymers, it was extremely susceptible to hydrothermal oxidation; this susceptibility caused severe disintegration of the O-ring in all environments, indicating poor suitability to geothermal fields.

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“…More attention has been paid in the last decade to polyurethane containing additive coating [7]. Polyurethane has a wide variety of forms.…”

Section: Introductionmentioning

confidence: 99%

Effect of Carbon and Organoclay Fillers on Partial Discharge and Corrosion Properties of Polyurethane Base Composite Coated on Aluminum Alloy

Soegijono

Solihin

Kurniawan

et al. 2020

e-J. Surf. Sci. Nanotechnol.

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Polyurethane powder coatings containing polysiloxane

Cited by 33 publications

References 21 publications

Hydrophobic UV-Curable Powder Clear Coatings: Study on the Synthesis of New Crosslinking Agents Based on Raw Materials Derived from Renewable Sources

Hydrophobic UV-Curable Powder Clear Coatings: Study on the Synthesis of New Crosslinking Agents Based on Raw Materials Derived from Renewable Sources

Evaluation of the Performance of O-Rings Made with Different Elastomeric Polymers in Simulated Geothermal Environments at 300°C

Effect of Carbon and Organoclay Fillers on Partial Discharge and Corrosion Properties of Polyurethane Base Composite Coated on Aluminum Alloy

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