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http://dx.doi.org/10.17702/jai.2014.15.4.145

A Study on Adhesion Performance of Styrene-Block-Copolymer Based Hot Melt Pressure Sensitive Adhesives with Dicyclopentadiene Based Hydrogenated Hydrocarbon Resins  

Shim, Jaeho (Kolon Industries, Inc.)
Kim, Yunho (Kolon Industries, Inc.)
Lee, Jungjoon (Kolon Industries, Inc.)
Publication Information
Journal of Adhesion and Interface / v.15, no.4, 2014 , pp. 145-150 More about this Journal
Abstract
Dicyclopentadiene (DCPD)-based hydrocarbon resins are widely used as tackifiers in many applications. In particular, hydrogenated DCPD-based hydrocarbon resins are widely used in premium hot-melt-type adhesives such as hot melt adhesives (HMAs) and/or hot melt pressure-sensitive adhesives (HMPSAs), because are water-white in color and possess excellent stability to light and heat. This article discusses the adhesive performance of various hydrogenated DCPD resins when they are used as tackifiers in styrene-block-copolymer (SBC)-based HMPSAs. This article shows the correlation between the characteristics of tackifiers and the adhesive performance of SBC-based HMPSAs. The higher the softening point of the tackifier, the higher is the $T_g$, softening point, and crossover temperature of the PSAs. High aromatic H wt% content reduces the high-temperature resistance of PSAs, as suggested by the decrease in the crossover temperature and softening point of the PSAs.
Keywords
DCPD; tackifier; hydrogenated hydrocarbon resin; HMPSAs; SBCs; Rheology;
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