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It always necessary to get the pH to neutral to add polymers?
No, it is not always necessary to adjust the pH to neutral before adding polymers. Some polymers can work effectively in a wide range of pH levels. However, certain polymers may require specific pH conditions for optimal performance, so it is important to follow the manufacturer's recommendations.
What metal returns into its original shape when it is heated after it was bent?
The metal that returns to its original shape when heated after being bent is called memory metal or shape memory alloy, such as nitinol. This material has the ability to "remember" its original shape and can revert to it when heated above a certain temperature. It is used in various applications, including in medical devices and robotics.
Examples of smart polymers?
Smart polymers can be used for heart valves and many other medical uses. In addition to this smart polymers are polymers (plastics) that can change in response to changes in the environment (i.e. temp, presence of water, pH, light etc.) Uses of smart polymers are: hydrogels (nappies and moisture crystals used in compost so your hanging baskets don't dry out!), plasters (band aids) that lose their stickiness when you want to take them off so dont rip your skin off, biodegradable plastic bags, non-stick chewing gum and even biological uses like detecting blood glucose levels and triggering the release of insulin.
Why do natural polymers not pose as much of an issue in landfills as synthetic polymers Natural polymers are cheap to recycle and synthetic polymers are expensive to recycle. Natural polymers are expe?
Natural polymers are biodegradable, meaning they can be broken down by bacteria and other organisms in the environment. This process helps to reduce the amount of natural polymers going to landfills. Synthetic polymers, on the other hand, are not easily biodegradable and can persist in the environment for a long time, contributing to landfill waste issues.
What is memory metal?
Nitinol, a nickel titanium alloy. The name stands for Nickel Titanium-Naval Ordnance Laboratory. Developed in 1959 as a more heat and impact resistant material for ICBM nosecones, it was discovered to exhibit the shape memory effect by accident laboratory management meeting in 1961. But practical use of nitinol's shape memory did not happen until the 1990s due to difficulties in processing. The shape memory effect in general dates back to 1932, when Swedish chemist Arne Ölander first observed it in gold cadmium alloys. The shape memory effect was also observed in brass in the early 1950s.
What has the author Andreas Lendlein written?
Andreas Lendlein has written: 'Shape-memory polymers' -- subject(s): Polymerization, Shape memory effect, Biocompatible Materials, Smart materials, Polymers, Chemistry, Polymeric composites
What is smart material made from?
There are lots of smart materials.For example,Shape memory alloys are made from metal alloysShape memory polymers, which are plasticsEtc
What is a special polymer?
A special polymer is a type of polymer that possesses unique properties or functionalities compared to conventional polymers. These can include biodegradability, shape memory, self-healing, or conductive properties, among others. They are designed for specific applications where these specific properties are required.
What is a neat polymer?
One example of a neat polymer is polyethylene. Neat polymers are pure forms of a polymer without any additives or fillers. This allows for studying the intrinsic properties and behavior of the polymer.
What is a plastic bumper?
in old cars bumpers was made of steels and other heavy metal materials nowadays polymer composites are use in this field because of their Strength and Lightness TPOs( thermoplastic olefins) are good example for this case at the other hand, the importance of polymers is their "memory effect" we can call this effect "the polymers Secret of success" polymers have memory like a Spring after an accident, when the impact makes bumpers deformed, the plastic bumpers can return to their previous shape memory effect and lightness is just two of the benefits that will convinced us to Farewell with metal bumpers
How does memory metal work?
A shape memory alloy (SMA, smart metal, memory alloy, muscle wire, smart alloy) is an alloy that "remembers" its original, cold, forged shape, and which returns to that shape after being deformed by applying heat. This material is a lightweight, solid state alternative to conventional actuators such as hydraulic, pneumatic, and motor-based systems. Shape memory alloys have applications in industries including medical and aerospace.
What is Shape memory effect?
the change of shape of a metal at low temperature by loading and regaining of original shape by heating it,is known as shape memory effect
What does a magic memory stick do?
holds a shape
Which memory card will work best with my Ipod?
The ipod does not have a memory card slot, so no memory card will work with it.
What is the metal with a memory?
There are several alloys that exhibit shape memory, the most widely known is Nitinol.
What memory does socket h work with?
DDR3 memory
It always necessary to get the pH to neutral to add polymers?
No, it is not always necessary to adjust the pH to neutral before adding polymers. Some polymers can work effectively in a wide range of pH levels. However, certain polymers may require specific pH conditions for optimal performance, so it is important to follow the manufacturer's recommendations.
