Effects of NCO/OH Ratio and Reactive Diluent Type on the Adhesion Strength of Polyurethane Methacrylates for Cord/Rubber Composites

Zehra YildizDepartment of Polymer Science and Technology, Institute of Sciences and Technology, Istanbul Technical University, Istanbul, Turkey;Department of Textile Engineering, Faculty of Technology, Marmara University, Istanbul, Turkey;School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, USAView further author information

Hacer Aysen OnenDepartment of Chemistry, Faculty of Arts and Sciences, Istanbul Technical University, Istanbul, TurkeyCorrespondence[email protected]
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Atilla GungorDepartment of Chemistry, Faculty of Arts and Sciences, Istanbul Technical University, Istanbul, TurkeyView further author information

Youjiang WangSchool of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, USAView further author information

Karl JacobSchool of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, USAView further author information

ABSTRACT

A series of dual curable polyurethane methacrylate-based oligomers were synthesized by changing the NCO:OH ratio and then were included in adhesive formulations using trimethylolpropane trimethacrylate and tricyclodecane dimethanol diacrylate (TCDDA) as reactive diluents. The effects of NCO:OH ratio and reactive diluent type on the structural properties of UV-cured free films and adhesion properties between polyester cord/rubber surfaces were studied. The highest adhesion strength of the 103 N cm⁻¹ was obtained when the NCO:OH ratio was set as 4 and the TCDDA was used as a reactive diluent.

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Funding

This study has been financially supported by Istanbul Technical University Research Fund and The Scientific and Technological Research Council of Turkey (TUBITAK).

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Effects of NCO/OH Ratio and Reactive Diluent Type on the Adhesion Strength of Polyurethane Methacrylates for Cord/Rubber Composites

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Effects of NCO/OH Ratio and Reactive Diluent Type on the Adhesion Strength of Polyurethane Methacrylates for Cord/Rubber Composites

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