P. Rajesh Raja, Ph.D.

Novel Amorphous Polyolefins for Adhesive Applications

A new technology has been developed to produce innovative olefin polymers with a broad robust operating window for hot-melt adhesives applications.

July 1, 2015

Polyolefin polymers have been an important part of daily life for variety of applications since the reported lab-scale process by Carothers in the 1930s1 and commercial process introduction by ICI in the 1940s.

Improving Performance of Hot-Melt Packaging Adhesives

Pure monomer resins can help improve the performance of EVA-based carton closure hot-melt packaging adhesives.

P. Rajesh Raja, Ph.D.

October 1, 2013

Carton closure hot-melt packaging adhesives using ethylene vinyl acetate (EVA) polymer systems have been used for decades due to their availability, formulation latitude and performance attributes. Packaging adhesive formulations typically contain polymer, tackifier resin and wax.

Low-Volatile Pure Monomer Resins

Several new low-volatile pure monomer resins with varying softening points have been developed in response to general demand for low-VOC raw materials.

P. Rajesh Raja, Ph.D. Wei-Min Cheng, Ph.D.

July 1, 2013

Pure monomer resins (PMRs) are produced from pure aromatic monomer streams, especially styrene and alkyl styrene derivatives.