Electroactive polymers

regeneration as they can provide the appropriate matrix environment, integrate desirable biological properties, and provide controlled, sequential delivery of multiple growth factors for the different stages of bone tissue regeneration. Bioactive polymer/hydroxyapatite (nano) composites are currently being intensively investigated as materials for promotion of bone tissue regeneration

Bone transplants are the most performed tissue transplantations in the world. The problem with recent bone tissue transplants is that they have too many limitations. For instance, the recent techniques for bone tissue transplants have a high failure rate, which can lead up to 50% in numerous locations of the human body. Because of these limitations, biomaterials which can replace the bone tissue have been developed. [Graham G. Walmsley et al. July 2015] When someone has bone deficits, the person

Abstract Biomaterials have been successfully developed and applied in biomedical devices. Natural polymers are readily accepted by the body and possess high bioactivity and biocompatibility. Chitosan, a copolymer of glucosamine and N-acetyl glucosamine, and is among the most abundant biopolymers on earth and has been used in a wide range of biomedical applications. Chitosan a polycationic polymer comprise of different functional groups that can be modified with a wide range of ligands. The unique

developing effective and environmentally friendly flame retardant systems for polymer materials. The development of flame retardant materials and understanding the phenomena that take place during combustion often require close collaboration between several fields of scientific expertise (macromolecular and physical chemistry, physics of mass and heat transfer, rheology etc.). Fire retardants are combined with polymer resins to reduce their flammability, decrease production of volatiles and inhibit

In this essay I will be discussing factors effecting mechanical properties, what heat treatment is and why it is used in industry? I will then go into further detail on heat treatment techniques. I will then look into polymers, the two main types of plastics and look into polymer chains and their effect on the materials properties. Then final segment of this text will discuss properties of composite materials and how the structure can influence the properties

interests lie in the design of new molecular materials with exceptional properties by means of first-principles quantum chemistry and data modeling. I work in the group of Prof. Johannes Hachmann and my current project concerns the modeling of organic polymers for optical applications. My goal is to develop – in a joint venture with the experimentalist group of Prof. Chong Cheng – innovative new materials that will outperform the ones used in current devices. As part

A World Made of Plastic and Paper Literature Review Nadine Garir 34-5052 Media Design Group 2 TABLE OF CONTENTS CHAPTER ONE: Literature ReviewIntroduction......................................................... 04 Research Question............................................................. 05 Factors Influencing The Problem Plastic Industry.................................................................. 06 Plastic Pollution.................................................................

Effective and economical production of hydrocarbons has gained great attention worldwide due to the increasing demand for oil and the challenges oil companies face to deliver more oil from their oilfields. Water flood is generally used as an economic and effective method in secondary mode recovery after primary (natural) driving mechanisms have been depleted. Generally, water flooding still leaves behind 60-70% of the oil initially in place (OIIP) inside the reservoir and Enhanced Oil Recovery (EOR)

the physical and chemical properties of the resultant microcapsules/microspheres. The polymer should be capable of forming a film that is cohesive with the core material. It should be chemically compatible, non-reactive with the core material and provide the desired coating properties such as strength, flexibility, impermeability, optical properties and stability. Generally hydrophilic polymers, hydrophobic polymers or combination of both are used for the microencapsulation

efficient adhesion of metals on polymer films (Figure 6e). Figure 6. Macroscopic model studies for the roles of MON in PET-F@MON@Ni. Photographs of Cu plate/PET film before bending (a) after 20 bending numbers (b) and Cu plate/polymer sponge/PET film before bending (c) after 20 bending numbers (d). The Cu plate in Figure 6b was broken. Photographs of (f) PET film, (g) Ni/PET film obtained through the electroless Ni deposition, (h) polymer sponge, and (i) Ni/polymer sponge obtained through electroless