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http://dx.doi.org/10.17702/jai.2016.17.2.67

Adhesion Property of Low-Viscosity Polyurethane Hot-Melt Adhesive in according to the Deblocking Temperature and Content of Reactive Diluents  

Choi, Min Ji (Korea Institute of Footwear and Leather Technology (KIFLT))
Jeong, Boo Young (Korea Institute of Footwear and Leather Technology (KIFLT))
Cheon, Jung Mi (Korea Institute of Footwear and Leather Technology (KIFLT))
Ha, Chang-Sik (Department of Polymer Engineering, Pusan National University)
Chun, Jae Hwan (Korea Institute of Footwear and Leather Technology (KIFLT))
Publication Information
Journal of Adhesion and Interface / v.17, no.2, 2016 , pp. 67-71 More about this Journal
Abstract
In this study, low-viscosity polyurethane hot-melt were synthesized with polyether polyol / polyester polyol, 4,4-dicyclohexylmethane diisocyanate ($H_{12}MDI$), 2-butanone oxime (MEKO) to improve the properties and peel strength. The properties of the synthesized low-viscosity polyurethane hot-melt was evaluated through FT-IR, viscosity meter and UTM. When the content of the reactive diluent increases and the NCO-blocked prepolymer decreases, the viscosity of low-viscosity polyurethane hot-melt adhesive was increased. When the ratio of OH-terminated oligomer, NCO-blocked prepolymer and content of reactive diluent is 1 : 0.5 : 0.5, low-viscosity polyurethane hot-melt showed 1.1 kgf/cm peel strength.
Keywords
deblocking temperature; reactive diluents; polyurethane hot-melt adhesive;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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