In PSA industry, release liner is one of the key components. The main functions of release liner are to provide protection of the adhesive layer during storage and transportation, and ensure a residue-free removal from the protected adhesive layer without damaging or contaminating it.
Continue reading “Study the curing reaction of silicone release agent through FTIR”Category: Adhesives
Silicone FTIR
The paper, titled with Characterization of Surface Treatments of Cork Stoppers by FTIR-ATR and published in J. Agric. Food Chem. 2006,54, 4932-4936, proposed an analytical method for identification of the presence of surface treatments in cork stoppers. The information about the FTIR bands for silicone is quite useful.
Continue reading “Silicone FTIR”Inhibitors
In silicone addition curing, inhibitors must be used to exclude the vinyl groups from the platinum at temperatures around room temperature to have enough pot life. At elevated temperatures, e.g. above 80°C, these inhibitors evaporate and dissociate from the platinum, or react with the SiH and become part of the cured matrix. In either case, they can no longer exclude the polymer vinyl groups, and cure takes place rapidly.
Continue reading “Inhibitors”Glass transition temperature (Tg) of acrylates
The following figures include some glass transition temperature, Tg, for different Acrylates.
Continue reading “Glass transition temperature (Tg) of acrylates”Silicone adhesive chemistries in PSA
Chemistries related to Silicone adhesives and release agent (ref 1: Dow-corning) Continue reading “Silicone adhesive chemistries in PSA”