(Phys.org) —Hydrogels can reversibly change their size and shape under different conditions. This property makes them attractive for a wide variety of applications, including artificial muscles, drug delivery, and sensors. ...
(PhysOrg.com) -- Researchers have discovered a way to capture and harness energy transmitted by such sources as radio and television transmitters, cell phone networks and satellite communications systems. By scavenging this ...
Engineering
Jul 7, 2011
14
1
(Phys.org)—Irradiation with light is an established method for initiating polymerization or crosslinking (curing) in the production of plastics. American researchers are now using light to retroactively increase the size ...
Polymers
Feb 6, 2013
0
0
(PhysOrg.com) -- A new class of economically viable solar power cells--cheap, flexible and easy to make--has come a step closer to reality as a result of recent work at the National Institute of Standards and Technology, ...
General Physics
Jul 28, 2009
6
0
A pair of engineers at the University of Delaware has developed a process to form interwoven polymer networks more easily, quickly and sustainably than traditional methods allow. Their secret ingredient? Blue light.
Polymers
Jul 29, 2017
0
100
Researchers from North Carolina State University have developed a new technique for creating devices out of a water-based hydrogel material that can be patterned, folded and used to manipulate objects. The technique holds ...
Materials Science
Aug 2, 2013
1
0
Many of the objects we encounter are made of polymers—long chains of repeating molecules. Networks of polymers form manmade materials such as plastics, as well as natural products such as rubber and cellulose.
Polymers
Nov 6, 2012
0
0
Gel-like materials have a wide range of applications, especially in chemistry and medicine. However, their usefulness is sometimes limited by their inherent random and disordered nature. Researchers from the University of ...
Polymers
Dec 6, 2019
0
117
Plastic, rubber, and many other useful materials are made of polymers—long chains arranged in a cross-linked network. At the molecular level, these polymer networks contain structural flaws that weaken them.
Polymers
Apr 24, 2017
0
12
A polymer gel consists of a three-dimensional cross-linked polymer network swollen with liquid molecules. However, most conventional polymer gels are brittle because stress concentration readily occurs in their cross-linked ...
Polymers
Dec 1, 2016
0
5
