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Table 3 Change in peel strength of random and block copolymers during photo irradiation using LED lamp

From: Control of adhesive strength of acrylate polymers containing 1-isobutoxyethyl and isobornyl esters in response to dual stimuli for dismantlable adhesion

Code Irradiation conditions Post baking conditions Peel strength (N/20 mm) Relative valuea Failure mode
Intensity (mW/cm2) Time (min) Dose (mJ/cm2)
R1 0 0 0 None 2.65 ± 0.12 1 PET interface
4 3.0 720 None 0.035 ± 0.012 0.01 SUS interface and cohesive (9/1)
B1 0 0 0 None 3.06 ± 0.06 1 Cohesive
2 0.5 60 None 0.42 ± 0.11 0.13 Cohesive
4 0.5 120 None 0.042 ± 0.034 <0.1 PET interface
4 1.0 240 None 0.010 ± 0.003 <0.01 SUS and PET interfaces (5/5)
4 3.0 720 None 0.0011 ± 0.00056 <0.01 SUS and PET interfaces (8/2)
B2 0 0 0 None 3.80 ± 1.27 1 SUS interface
2 0.5 60 None 3.85 ± 0.06 1.0 SUS interface and cohesive (5/5)
4 0.5 120 None 2.07 ± 0.16 0.54 SUS and PET interfaces (4/6)
4 1.0 240 None 0.04 ± 0.008 <0.1 SUS and PET interfaces (9/1)
4 3.0 720 None 0.11 ± 0.01 <0.1 PET interface
2 0.5 60 3 min/100 °C 0.079 ± 0.001 <0.1 PET interface
4 0.5 120 3 min/100 °C 0.057 ± 0.06 <0.1 PET interface
  1. 0.5 wt% of SIN-11 as PAG was added. Peeling rate was 30 mm/min
  2. a The values of peel strength after treatment relative to before treatment