Rotomolding on a Roll This report shows how rotational molders are rebounding quickly from the recession By Peter J. Mooney Rotational Molding Informs “Learning Gardens” Rotomolding creates a unique learning experience for young students By Jamie Wirkler Centering on Research By Jon Evans New plastics R&D centers are popping up around the globe Zero Energy Homes—With Help from Plastics By American Chemistry Council Trillions of BTU can be saved with advanced insulation and other polymer-driven features IM Troubleshooting Methodology: Three Examples of Getting it Right By Mark Rosen This follow-up to last month’s article shows injection molding problem-solving in action Improvement of Melt Strength and Crystallization Rate of Polylactic Acid and its Blends By Manoj Nerkar, Juliana Ramsay, Marianna Kontopoulou, and Bruce Ramsay PLA’s properties get a boost via blending with PHA, plus reactive modification Water-Soluble Free Radical Addition Polymerizations: Polyacrylamides By Wesley L. Whipple and Hua Zheng Acrylamide monomers can form unique co-monomer combinations for specialized polymers GLOBAL LOOK What’s New in the Chinese Plastics Industry By Dennis Duan Chinaplas® 2014 spotlighted China’s most innovative machinery & materials suppliers INSIDE SPI News about the state of the plastics industry and more, from SPI: The Plastics Industry Trade Association DEPARTMENTS Energy-Saving Tip By Dr. Robin Kent Industry Patents By Dr. Roger Corneliussen Industry News Upcoming Industry Events Market Place Advertiser Index About the cover: Rotational molding allows the creation of a variety of shapes and forms, as for furniture like “The Big Easy” chair and “Shitake” mushroom-inspired stools here (original photos courtesy of Italian furniture supplier Moroso); learn about other examples in our “Cover Focus” articles. www.4spe.org