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When a shape memory polymer is used to stitch a wound loosely, the temperature of the body makes the thread tighten and close the wound, applying just the right amount of force. This is an example of a 'smart' polymer. i.e. one that changes in response to changes around it. In this case a change in temperature causes the polymer to change its shape. Later, after the wound is healed, the material is designed to dissolve and is harmlessly absorbed by the body. Hope this helps:)
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What is hairspray made from?
Hairspray typically consists of polymers, solvents, propellants, and other ingredients such as fragrances or conditioning agents. Polymers are the key components that provide the hold and flexibility to the hair when hairspray is applied. The solvents help in dispersing the polymers, while propellants help spray the product out of the container.
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 is a flocculent made of?
A flocculent is typically made of polymers or inorganic compounds that help agglomerate and settle suspended particles in liquids. These chemicals work by neutralizing the charges on particles, allowing them to clump together and form larger flocs that can be easily removed through filtration or settling.
How do designer polymers work?
Designer polymers are created through precise control of the chemical architecture of the polymer chain, allowing for specific properties such as mechanical strength, thermal stability, or flexibility. By manipulating the monomer structure, molecular weight, and branching, designers can tailor the polymer's properties to meet desired specifications. These polymers find applications in industries such as electronics, medical devices, and environmental engineering.
Who made the first thing from smart material?
The first known instance of using smart materials can be traced back to the work of Pierre Curie and his discovery of the piezoelectric effect in 1880. This effect demonstrated the ability of certain materials to generate an electric charge under mechanical stress, laying the foundation for future advancements in smart materials.
What and how do light sensitive polymers work?
They are used in hospitals as stitches because they will desolve in light and there is no need for them to be taken out.
How do 2 designer polymers work?
PET, plasters that are exposed to light and reduces stickyness so removing plasters is less painful, dissovable stitches, drug delivary capsuels...
What does tch mean in crocheting?
Turning chain. These are the stitches you make before you turn your work to begin another row. The number varies with each stitch. These stitches bring your work to the correct height before you make additional stitches. For single crochet that tch does not count as a stitch. For double crochet and all taller stitches, it does count as a stitch.
What is the art work 'Reflected Arrows' by Jeffrey Smart made from?
Oil paint on canvas.
What is hairspray made from?
Hairspray typically consists of polymers, solvents, propellants, and other ingredients such as fragrances or conditioning agents. Polymers are the key components that provide the hold and flexibility to the hair when hairspray is applied. The solvents help in dispersing the polymers, while propellants help spray the product out of the container.
What does fan stitch mean?
In crochet, a fan stitch is a group of stitches worked into one stitch. In most cases the stitches would be a combination of chains and stitches. For example, you might work double crochets separated by chain stitches or you might work 4 double crochets, a chain, and then another 4 double crochets. It doesn't have to be 4. It can be any number. The stitches should look similar to a paper fan or scallop. If the pattern calls for multiple rows of fan stitches, they are generally placed one on top of the other. Fan stitches can be small or large and incorporate any number of stitches, but the individual stitches are all worked into one stitch from the previous row.
what does stitch mean?
In crochet, a fan stitch is a group of stitches worked into one stitch. In most cases the stitches would be a combination of chains and stitches. For example, you might work double crochets separated by chain stitches or you might work 4 double crochets, a chain, and then another 4 double crochets. It doesn't have to be 4. It can be any number. The stitches should look similar to a paper fan or scallop. If the pattern calls for multiple rows of fan stitches, they are generally placed one on top of the other. Fan stitches can be small or large and incorporate any number of stitches, but the individual stitches are all worked into one stitch from the previous row.
What are long and short stitches for?
Long stitches are used for filling in larger areas of an embroidery design quickly, while short stitches are used for adding detail and texture to embroidery work. Mixing long and short stitches can create depth and dimension in the finished piece.
How does a smart card work on a Nintendo DS?
It is possible to use a smart card with the Nintendo DS to play pirated games. This has been made illegal.
Should you work out your knee if it has stitches?
No. It can rip the stitches. Lay down and put a pillow under your knee and another under your foot and watch TV.
What place can you work when you are only 15?
~Stitches ~Claires Alot of places in the mall!
When was Smart Work created?
Smart Work was created on 1931-12-27.
