As researchers seek replacements for banned, ozone-depleting foaming agents, the authors of Thermoplastic Foam Processing: Principles and Development strive to develop a better understanding of foaming processes and find solutions for day-to-day practice. This book presents the latest research in foam extrusion and physical foaming agents with a strong focus on the interaction of material components in the foaming process.
As part of the Polymeric Foams series and a companion to the volume, Foam Extrusion: Principles and Practice (2000), the book includes new topics such as polymer blends...

Almost all US cities are controlled by real estate and development interests, but Santa Cruz, California, is a deviant case. An unusual coalition of socialist-feminists, environmentalists, social-welfare liberals, and neighborhood activists has stopped every growth project proposed by landowners and developers since 1969, and controlled the city council since 1981. Even after a 1989 earthquake forced the city to rebuild its entire downtown, the progressive elected officials prevailed over developers and landowners.Drawing on hundreds of primary documents, as well as original, previously...