The effects of cure temperature on the thermomechanical properties of UV curable coatings | Zendy

Overton B. J. | Zendy; Taylor C. R. | Zendy; Muller A. J. | Zendy

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The effects of cure temperature on the thermomechanical properties of UV curable coatings

Author(s) -

Overton B. J.,

Taylor C. R.,

Muller A. J.

Publication year - 1989

Publication title -

polymer engineering and science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.503

H-Index - 111

eISSN - 1548-2634

pISSN - 0032-3888

DOI - 10.1002/pen.760291704

Subject(s) - materials science , acrylate , prepolymer , polyurethane , composite material , modulus , ultimate tensile strength , coating , young's modulus , dynamic mechanical analysis , polymer , copolymer

A method is presented to study the mechanical behavior of soft, UV curable coating material as a function of temperature of the prepolymer at cure. For such materials, the crosslink density (hence, equilibrium modulus) is found to decrease with increasing cure temperature. The three primary coatings are: a polyurethane acrylate with a nominal equilibrium tensile modulus of 200 psi, a polyurethane acrylate with a nominal equilibrium modulus of 1200 psi, and a non‐urethane acrylate with a nominal equilibrium tensile modulus of 60 psi.

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