Hot Tack of Hot Melt Adhesives (HMA)
Hot tack is a term relating to the ability of hot melt adhesives (HMA) to hold substrates together prior to solidification or set. According to… Read More!
How to Make Consistent Hot Melt Pressure Sensitive Adhesives (HMPSA)
It may sound odd to discuss the topic of “How to make a consistent hot melt pressure sensitive adhesive” if one has a good… Read More!
Key Requirements for Hot Melt Glue Stick Production
Although many specifications are listed on the technical data sheet (TDS), the diameter of glue sticks is the most important specification for a successful… Read More!
Limitations of Conventional hot melt adhesives and hot melt pressure sensitive adhesives
Plus: Alternatives to conventional hot melt adhesives Conventional hot melt adhesive (HMA) and hot melt pressure sensitive adhesive (HMPSA) are 100% solid thermoplastic materials.… Read More!
Molecular Structure of Styrenic Block Copolymers Used in Hot Melt Pressure Sensitive Adhesives
Most hot melt pressure sensitive adhesives (HMPSAs) are based on Styrenic block copolymers (SBCs). SBCs consist of two consecutive domains: a plastic phase (styrene,… Read More!
Evaluation Equipment Required for a Hot Melt Pressure Sensitive Adhesive (HMPSA) Lab
The performance requirements for HMPSAs are more complicated than those for EVA and APO-based HMAs. In addition to basic physical properties, such as viscosity… Read More!
Tack of Pressure Sensitive Adhesives
Tack, or quick stick, is one of the most important properties of pressure sensitive adhesives (PSAs). The definition of tack is the property of… Read More!
Factors that Affect Pressure Sensitive Hot Melt Adhesive Adhesion Performances and Values
Three major pressure sensitive adhesion performances are determined and reported for all hot melt pressure sensitive adhesives (HMPSAs). They are peel (typically 180°-peel), tack,… Read More!
Synthetic Hot Melt Pressure Sensitive Adhesive
Synthetic chemicals are used in most pressure sensitive hot melt adhesives. Lower cost synthetic components are being substituted for higher cost synthetic materials by… Read More!
Hot Melt Bonding of Foams to Packaging Material
Foam is used for a wide range of packaging applications. Hot Melts are very effective for bonding foams to packaging material. In packaging expanded… Read More!