Polymers, Plastics, & Composites

Recent Advances in Hydrogels for Tissue Engineering

May
2018
SBE Special Section
Samad Ahadian, Houman Savoji, Ali Khademhosseini
Hydrogels could play an important role in the fabrication of functional tissues for regenerative medicine. This article describes the developments in polymer chemistry, nanomaterials, molecular biology, and microscale technologies that are spurring advances in hydrogel fabrication.

Purifying Water in Developing Countries

Archived Webinar
Sep 21, 2016
Engineers know how to produce safe drinking water, but transferring it to those in need is another story. In this webinar, Dr. Velegol discusses her experience developing a technology using the seeds of the Moringa oleifera tree to clean water. Hear her scientific results and lessons learned while...

Study On the Aging Mechanism of Pyrolysis Bio-Oil

Conference Presentation
AIChE Annual Meeting
November 6, 2013
Biomass Pyrolysis Study on the Aging Mechanism of Pyrolysis Bio-oil The unstable nature of pyrolysis oil produced from biomass fast pyrolysis is one...

Reactivity of Biopolymers in Ionic Liquids

Conference Presentation
AIChE Annual Meeting
November 6, 2013
Ionic liquids are gaining increasing acceptance as novel solvents for chemical transformations. This has included a recent focus on the use of ionic...

At Least 1,000X Thinner than a Human Hair

Conference Presentation
AIChE Annual Meeting
November 5, 2013
The last century witnessed the development of two classes of materials—polymers and semiconductors—that dramatically changed people’s lives. A new...

Composite Fuels Production for Combustion

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
May 1, 2013
ABSTRACT Goal of the Project The primary goal of the project is the creation of composite fuels for combustion processes containing biomass, coal,...

On the Modeling of Oral Drug Delivery

Conference Presentation
AIChE Annual Meeting
November 1, 2012
On the Modeling of Oral Drug Delivery Naresh Pavurala, Luke E.K Achenie Department of Chemical Engineering, Virginia Polytechnic Institute and State...

Creep and Aging of Phbv-Natural Fiber Composites

Conference Presentation
AIChE Annual Meeting
October 30, 2012
A biobased composite composed of poly(β-hydroxybutyrate)-co-(β-hydroxyvalerate) (PHBV) matrix and natural reinforcing fibers has a potential closed-...

CEP: News Update

May
2017
News Update
4D Printing Creates Shape-Shifting Materials Scientists at Georgia Institute of Technology and Singapore Univ. of Technology and Design have developed a way to 3D-print objects that can easily change shape when they are heated. The process could...

Catalyst Opens Doors to New Bio-Based Plastics

December 14, 2015

Plastics manufacturers largely rely on crude oil to create isobutene in the production of plastics, but researchers at Washington State University have developed a catalyst to easily convert bio-ba

Bioplastics Exhibit Anti-bacterial Properties

March 31, 2015

A recent study by the University of Georgia College of Family and Consumer Sciences founds that bioplastics may have a place in medical applications thanks to the antibacterial properties they exhi

New Recyclable Bioplastic Outperforms ABS

March 28, 2016

Researchers at the Department of Energy’s Oak Ridge National Laboratory (ORNL) have devised a new plastic that is made with 50 percent renewable content from biomass.

Ann Marie Sastry, Lithium Battery Giga-Factory Slayer

November 18, 2015

When Elon Musk started bulldozing desert scrub to build his giga-factory near Reno, Nevada, he bet the ranch that the lithium-ion battery market would skyrocket to around $75 billion by 2020, makin

CEP: Chem Economics - Plastic Additives are Poised for Growth

July
2012
Chem Economics
T. Kevin Swift
Not all polymers are useful and/or processable in their natural form. Thus, functional chemicals are added to polymer resins to facilitate processing and to enhance, extend, or otherwise modify the properties of the plastic products manufactured from polymer resins. Such plastic additives represent a $4.6-billion business in the U.S.

CEP: Catalyzing Commercialization - A Biodegradable Plastic Made from Waste Methane

February
2014
Catalyzing Commercialization
What if we could make the Great Pacific Garbage Patch just disappear? What if plastics didn’t accumulate in our landfills? What if we could reduce greenhouse gas emissions while replacing up to 30% of the world’s plastics with a biodegradable substitute? Researchers have tried for decades to achieve these goals. One approach being taken is the development of an efficient production process for poly-hydroxyalkanoate (PHA) — a biodegradable polymer similar to the polypropylene used to make yogurt containers.

Making Plastics: From Monomer to Polymer

September
2015
Back To Basics
Pete Sharpe
Versatility, ease of manufacture, and relatively low cost make plastics some of the most useful materials for a wide range of applications. This article explains the chemistry and production processes behind two of the most popular plastics — polyethylene and polypropylene.
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