Electroactive polymers

Cloth diapers versus disposable diapers there are many similarities and differences to consider. First there is health & environmental, no matter the choice one makes it must be safe for your child and our planet. Second there is conveniences and price which is a big concern for many working families, and last but most important is comfort. So as we look at the differences and in some cases similarities we will be able to make a clear decision on which one would best fit one’s life style. As we

Monodisperse sub-200nm polystyrene nanoparticles were synthesized by a facile one-step emulsion polymerization technology using sodium dodecyl sulfonate (SDS) and 2, 2′-azobis (2-methylpropionamide) dihydrochloride (AIBA) as the surfactant and initiator, respectively. The in situ neutralization between negatively charged surfactant SDS and positively charged AIBA was used to control the primary particle (or swollen micelle) volume and the extent of the particle coagulation. As the oligomeric radicals

Speech: Harms of Disposable Diapers Title: The Harms of Disposable Diapers General Purpose: To Persuade Specific Purpose: To discourage the audience from using disposable diapers. Pattern of organization: Refutative I Introduction A) Survey says children. Would rather use disposable diapers. Nothing wrong with disposable. B) Well, in reality there are negative effects from using disposable diaper that can affect the environment and the health of you and your children. C) Do best

The Impact of New Materials on Product Deisng in 20th and 21st Centuries As new materials are developed and processed, design technologists and people working with industrial materials must think how these new materials will affect the way in which they design and manufacture products. Design technologists also have to be conscious of how these materials effect the environment and the way in which they are

Gelatin, due to the presence of unique amino acid sequences and multiple functional groups in its structure has capability to crosslink by small molecules containing reactive functional groups to form membrane like film. In recent years, numerous studies have been performed to cross-linking of gelatin with more desirable properties, such as minimize toxicity and easy preparing. One of best approach to crosslink gelatin is using photo and inducing sensitive molecules to generate radicals in the system

Thin. Light. Flexible. So I assume many of you have heard of LED screens or panels, chances are you are probably reading this on one of them. Or if you’re one of those people who still use that stuff called paper then maybe on that. Well whatever you are reading this on prepare to empty you’re wallet’s because this new technology will surly brighten your day! LED’s or Light Emitting Diodes have been around since the 60’s and I think they are starting to decline. The new technology slowly replacing

Product Evaluation: A Hairdryer Introduction. I am a 4th year student in St Patrick's Grammar school Downpatrick studying technology and design for my GCSE. I must do two focused tasks, my first task is a product evaluation, for this task I will be evaluating a hairdryer manufactured by Vidal Sassoon. Justification. I picked this appliance because: Ÿ It is a commonly used household object. Ÿ I have this appliance in my house so I can look at it whilst

Graph one demonstrates pectin concentration’s effect on gel strength. In theory an increased amount of pectin would lead to a higher gel strength because there would be more chains of polysaccharides to link together and form a gel. The more pectin chains, the more cross links occur, trapping more water and creating a firmer gel. Overall this graph does show that a higher pectin concentration will yield a stronger gel. The use of .46% pectin was used as a control to test other factors, so it is expected

Life Cycle Assessment (LCA) is a technique used to quantify environmental outcomes- energy, materials used, and released wastes- assignable to a product. It assesses the environmental impacts of their supply chain activities as a whole. By looking at the full picture of the activities, a firm such as Procter and Gamble (P&G) could view the environmental tradeoffs of product innovation. In efforts to sustain competitive advantage with their popular-selling item, disposable diapers, the use of LCA

Part:C A-1: Polymer weight averages and molecular distribution: There are two types of molecular averages from which we can , the number average and weight average, which can we calculate by knowing the number of molecules and that weight fractions in the polymer. If we are given numbers of molecules with their molecular weights. Then we can calculate number-average molecular weight (Mn) and weight average molecular weight (Mw). From that, we can get polydispersity index and know it is monodispersed