Stringiness morphology for crosslinked polyacrylic pressure‐sensitive adhesives measured by peel testing with constant rate
Yoshinobu Nakamura,
Daichi Yoshioka,
Tomonori Sato
et al.
Abstract:To clarify the formation mechanism of front frame‐type morphology, the stringiness of crosslinked random copolymers of poly(n‐butyl acrylate‐acrylic acid) during a 180° peel test with a constant tensile rate was examined for various crosslinker contents and rates using a quartz adherend. Cohesive failure occurred for lower crosslinker content and rate, whereas interfacial failure with sawtooth‐type stringiness without a frame was observed for higher crosslinker content and rate. Front frame‐type stringiness wa… Show more
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