Plastics and Polymers

Polymers formed from ethene include polyethylene (PE) and ethylene-vinyl acetate (EVA). These polymers have a wide range of applications due to their flexibility, durability, and resistance to moisture and chemicals. Polyethylene is commonly used in packaging, while EVA is used in footwear, adhesives, and solar cell encapsulation.

The correct question to ask would have been "Monomers that are found in proteins are called _______?" but to answer your question, Monomers that are in proteins are called amino acids.

Chitin is a polysaccharide that is a polymer of an amino sugar called N-acetylglucosamine. It is the main component of the exoskeletons of arthropods and the cell walls of fungi.

Natural plastic, or bioplastic, is plastic created from renewable resources like plant starches, vegetable oils, and so forth. These cause significantly less damage to the environment because of their biodegradability.

Asda plastic bags are primarily manufactured in the United Kingdom. Asda, like many major supermarkets, has a commitment to reducing the environmental impact of its products, so they may also source bags from suppliers who comply with global sustainability standards.

Ring-opening polymerization involves the opening of cyclic monomers with formation of linear polymer chains, while ring-opening metathesis polymerization involves the redistribution of double bonds in cyclic monomers to form a polymer chain. Ring-opening polymerization can use a variety of monomers, whereas ring-opening metathesis polymerization is typically limited to cyclic olefins. Additionally, ring-opening polymerization relies on nucleophilic or electrophilic initiators, while ring-opening metathesis polymerization relies on metal catalysts.

Oxygen is an element and does not have a monomer. It exists as O2 molecules in its diatomic form in nature.

A glass container, because glass is a liquid that has the ability to form as a solid, while glass looks like a solid at a molecular level the atoms are actually moving, just like a liquid, the formation of glass molecules is highly irregular. But because the atoms are moving the energy or heat from water is allowed to escape past these molecules and cool the water.

Plastic bags help retain the moisture and reduce exposure to air, which can slow down the wilting process of lettuce. It also helps maintain a consistent temperature, preventing fluctuations that can lead to quicker spoilage.

The soft stage or plastic range in soldering refers to the temperature range where the solder begins to melt and becomes pliable. This is the ideal temperature for bonding components together as the solder can flow and create a strong electrical and mechanical connection. It is important to work within this range to properly join components without overheating or damaging them.

Common defects of plastics include warping, cracking, shrinking, and surface blemishes. These defects can occur due to factors such as improper cooling during molding, poor material selection, or inadequate design. Proper processing techniques and quality control measures are essential to minimize these defects.

1. Reduce single-use plastic consumption by using reusable bags, bottles, and containers.
2. Recycle plastic products to minimize waste in landfills.
3. Support initiatives that promote biodegradable alternatives to traditional plastics.
4. Spread awareness about the environmental impact of plastic use to encourage others to make sustainable choices.

Thermoplastic, also known as a thermosoftening plastic,[1][2] is a polymer that turns to a liquid when heated and freezes to a rigid state when cooled sufficiently. Most thermoplastics are high-molecular-weight polymers whose chains associate through weak Van der Waals forces (polyethylene); stronger dipole-dipole interactions and hydrogen bonding (nylon);[3] or even stacking of aromatic rings (polystyrene). Thermoplastic polymers differ from thermosetting polymers (e.g. phenolics, epoxies) in that they can be remelted and remoulded. Many thermoplastic materials are addition polymers; e.g., vinyl chain-growth polymers such as polyethylene and polypropylene; others are productions of condensation or other forms of polyaddition polymerisation, such as the polyamides or polyester.

No, insulin is a small protein hormone composed of two peptide chains. It is not a polymer.

Eudragit is a brand name for a type of polymer used in pharmaceutical formulations. It is often used as a coating for tablets to control drug release and improve stability. Eudragit polymers come in various types with different properties to suit the specific needs of a formulation.

Insulation generally is required to meet standards for flammability. Plastic bags are not treated in any ay to prevent their combustion so it ould be like packing your walls with bottles of gasoline for insulation.

if you want it to melt then yes, but otherwise no

No it will melt.

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There are special kinds of plastic wrap that can be used in a microwave. However, I often use normal plastic wrap to cover up a bowl with soup when warming it up in a microwave and it does not melt at all. It gets a little soft but that's it.

To improve traction of plastic, you can add texture to the surface by embossing or adding grooves. You can also use specialized coatings or treatments that increase friction. Additionally, using additives like rubber or silica can improve the plastic's grip.

Adding more initiators can result in shorter polymer chains because more initiators will generate more free radicals, which will initiate more polymerization reactions in the monomer solution. This leads to a higher number of growing polymer chains in the same volume, each receiving less monomer incorporation, thus resulting in shorter chains overall.

Plastic is useful in that it is strong, flexible, and versatile. It can be harmful to the environment if not disposed of properly. It is also composed of many toxic chemicals like vinyl chloride and benzene which can be harmful to human health.

The tyranid Biovore is a matal model, hope it comes in finecast :)

Dairy are rich in proteins, milk,cheese, yogurt has good amount of proteins. Butter is not a good proteins source but they are rich in fats. It is essential to have enough amount of proteins in our daily meal.

To protect plastic chairs from sun damage, you can regularly apply a UV-resistant plastic protectant or coating to create a barrier against the sun's rays. Additionally, storing the chairs in a shaded area when not in use or using chair covers can help prevent sun damage. Finally, bringing the chairs indoors during extreme weather conditions or long periods of sun exposure can also extend their lifespan.

A polymer formed of amino acids is a polypeptide (named from the numerous peptide bonds in the chain; one peptide bond links two amino acids). Two amino acids joined form a dipeptide, hundreds of amino acids form a polypeptide.

Yes. It's just like you or me being locked in a sealed room. Eventually there will be nothing for the fish to breathe to keep it alive. For example many fish during the winter months "die off" due to the surface freezing over in ponds with out fresh water being brought in by streams or rivers.