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initiators

In optically clear adhesive synthesis, free radical initiators can be photoinitators or thermal initiators. The amount of the free radical initiator is often in a range of 0.05 to 5 weight percent based on a total weight of monomers used. The following are some examples of initiators including both thermal and photo-initiators:

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.

Viscosity Vs coating method

The coating methods, fluid viscosity, and line speed are correlated with each other in thin film coating process. The following figure is a good guidance for selecting coating methods and coating parameters

Thermal conductivity measurement (ASTM D 5470, E1530, and E1461)

Thermal conductivity measurements can be divided into two groups: steady state and transient state testing methods. Steady state methods also includes guarded hot-plate (GHP) method and Heat-Flow Meter (HFM), while a typical transient method is Laser/Xenon Flash (LFA/XFA) method.

PSA for use on low energy surfaces

US patent 5874143 teaches a method to make PSAs for use on low energy surfaces.

Glass transition temperature (Tg) of acrylates

The following figures include some glass transition temperature, Tg, for different Acrylates.

Stretch releasing tape-2

WO1995006691A1 teaches how to make a conformable pressure sensitive adhesive tapes which comprise a layer of polymeric foam in the backing and may be adhered firmly to a substrate and thereafter removed therefrom after only being stretched at an angle no greater than about 35° from the surface of the substrate.

Stretch de-bondable tape-1

US005516581A teaches a method to make a stretchable de-bondable tape, where the tape carrier is a highly extensible film (or others) with low elastic recovery (preferably less than 30%). This property could be useful for the indication of tampering and ensureing single use in certain applications.

Literature study-F containing UVR formulation

US 8,193,259 B2, with title of “UV-CURABLE PRESSURE-SENSITIVE ADHESIVE COMPOSITION WITH A FLUORINATED ACRYLIC BINDER RESINAND PRESSURE-SENSITIVE ADHESIVE FILM USING THE SAME”, teaches a way to formulate UV Release (UVR) adhesive formulation where a fluorinated acrylic segment is introduced to the main chain to deliver excellent pick-up performances after UV illumination.

UVR Formulation-Literature study

Application of US2009/0075008A1 teaches a method how to formulate a UV releasable adhesive.