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Titanate-Based Surface Modification of Paper Waste Particles and its Impact on Rigid Polyurethane Foam Properties

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Abstract:

Producing particulate filled polymer composites, even dispersion and sufficient adhesion between filler and polymer matrix is of great importance. In order to solve these issues, methodologies, such as ultrasonic dispersing and coupling agents, are proposed. The impact of particle surface modification with three different titanate coupling agents having the tradenames of TCA L44, TCA L38 and TCA K44 on paper waste sludge particles surface, polyurethane foam composite density, compressive and tensile strengths as well as water absorption and water vapour permeability is evaluated. Apparently, titanates form layer on the particle surface, thus increasing the interfacial adhesion between particles and polymer matrix. Basing on the obtained results, the optimal amount and type of titanate is 1 wt.% of TCA K44.

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Periodical:

Key Engineering Materials (Volume 721)

Pages:

58-62

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.721.58

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Online since:

December 2016

Authors:

Agnė Kairytė*, Saulius Vaitkus, Sigitas Vėjelis

Keywords:

Coupling Agent, Cross Linking, Interfacial Adhesion, Paper Waste Sludge, Polyurethane Foam Composite

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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