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Use of cyanoacrylate PUR Adhesive in dermal lesions: a review
PSA Achievement Appraisal and Rheology
Table 2 summarizes both FINAT assay adjustment after-effects and accumulator (G’) and accident (G”) moduli at specific frequencies based on Chang’s viscoelastic window concept.1,2 G’ at w=10-2 rad/s (hereafter denoted as G’(10-2)) was acclimated for microburst resistance, and moduli at frequencies agnate to both bonding and debonding processes were acclimated for case and tack.1,2 In case tests bonding corresponds to G’(10-2) and debonding, complete both adamant courage and action of amusement terms, corresponds to G’(102) and G” (102).1,2 Tack tests accept the aforementioned debonding abundance assurance as peel; about the bonding abundance is college at 100 rad/s. Accordingly G’(100) and G’(102) and G” (102) were acclimated to accord to bend tack results.
A adumbrative artifice of G’ and G” vs. angular frequency, w(rad/s), for the EHA-based PSAs (PSAs 1, 2, 9, and 11) is apparent in Bulk 1. Differences in the viscoelastic behavior for this accumulation are acutely evident. Added allegory of these curves shows that the rheological differences at the above-mentioned frequencies accord with achievement assay after-effects apparent in Table 2. For example, in Bulk 1, Food Packaging Glue has the accomplished bulk at G’(10-2), which corresponds to microburst resistance, while PSA 11 has the lowest.