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Plastics and Polymers

The category should be plastics and polymers. We have a category of metals under chemistry. Plastics and polymers are the fasting growing category of materials. A Styrofoam cup is a plastic or polymer for example.

3,115 Questions

Why should you use reusable bags instead of plastic bags?

Using reusable bags helps reduce single-use plastic waste, which is a major contributor to pollution in oceans and landfills. Reusable bags are more durable and can be used multiple times, reducing the overall environmental impact compared to plastic bags. Furthermore, reusable bags help conserve resources and reduce the energy needed to produce and dispose of single-use plastic bags.

Why are children's cutlery made of plastic?

Children's cutlery is often made of plastic because it is lightweight, durable, and safe for young children to use. Plastic cutlery is also typically more affordable than metal alternatives, making it a practical choice for parents. Additionally, plastic cutlery comes in fun and colorful designs that appeal to kids.

Is daxtrose a polymer of glucose?

No, dextrose is glucose but it has a different 3 dimensional structure than regular glucose.

Can hot sun coming through windows cause plastic bags to catch on fire?

Spontaneous combustion can happen if the glass or other item that has a refractory potential (for example, a glass decoration) focuses the sunrays at the bag and especially if the bag has dark color.

However, many windows are now treated to reduce the sun's glare and heat.

Can you use plastic in an easy bake oven?

NO you can not don't try it don't even think about doing it it is a no. i treied it and my whole childs world ended and she is now crying in her sleep. Finally i bought her a new one and she is now never ever using plastic in a easy bake oven

Why are polymers formed?

Polymers are the result of carbon-based covalent molecules forming long chains. The word should by now be unsurprising. Poly meaning many and mer, as in isomer, is a unit, thus many units. The formation of polymers (polymerisation) is the subject of the following types of reactions.

What is the difference between a bio-polymer and a synthetic polymer?

Bio-polymers are derived from renewable resources, such as plants and animals, and are biodegradable, while synthetic polymers are man-made from fossil fuels and are not biodegradable. Bio-polymers have a lower carbon footprint and are more environmentally friendly compared to synthetic polymers.

What material you can use for heat insulation in plastic injection mould?

Common materials used for heat insulation in plastic injection molds include ceramic fibers, mineral wool, and wooden blocks. These materials help to maintain consistent mold temperatures and improve the quality of the injection-molded parts. It's essential to select a material that can withstand high temperatures and provide effective thermal insulation.

How do you go about getting approved threw medicare for plastic surgery after gastric bypass surgery?

What are the guidelines for plastic surgery after having gastric bypass. I have lost a total of 244 pounds and the excess with is causing me much pain in my back.Which I might add I have had surgery on once and was told I need more. But if I could get this extra 30 pounds or better of skin off it would not pull so much on my back. I do have medicare part A & B and Tr- care for life insurance.

How polymers can used as optical materials?

1) Plastic (Polymer) Optical Fiber is used to transmit signals down a flexible, plastic material.

2) Polycarbonate coatings are used on optical discs to prevent scratching the underlying surface that has the actual pits and lands.

How can polymers be used in optical materials?

Polymers can be used in optical materials due to their transparency, light weight, and ease of processing. They can be used to make lenses, prisms, and other optical components. Polymers can also be engineered to have specific optical properties like refractive index and dispersion.

Why not put smirnoff ice in plastic bottles or canS?

f the bottle is open, the dry ice will simply sublime and exit the container, likely producing a cloud of condensed water vapor. However, if the bottle is sealed, the gas produced by the dry ice that sublimes will not be able to escape. Thus, the pressure in the bottle will increase, possibly resulting in a violent 'explosion'

Just as Smirnoff would be when hot or cold therefore glasss would be the most appropriate medium to use.

What drug is in small plastic bags with bulldogs on them?

The drug being referred to is likely MDMA, also known as Ecstasy or Molly. These small plastic bags with bulldogs on them are a common imprint used by dealers to brand their product. It is important to be cautious and informed about the substances being consumed and to practice harm reduction strategies.

Is plastic the best known conductor?

No, plastic is actually an insulator and not a conductor of electricity. Metals such as copper and aluminum are commonly known as good conductors of electricity.

Why is there a plastic sensor button inside the bag of Community Coffee?

The plastic sensor button inside the bag of Community Coffee is most likely a one-way valve that allows gases produced during the coffee roasting process to escape while preventing oxygen from entering the bag. This helps to maintain the freshness and flavor of the coffee beans for a longer period of time.

What is the simplest conducting polymer?

That probably refers to a polymer that either (a) is a good conductor or heat, or (b) is a good conductor of electricity. Usually the second choice is the most likely meaning, if nothing else is specified.

Is plywood plastic?

No, plywood is not plastic. It is a material made from thin layers of wood veneer that are glued together in a cross-grain pattern. Plastic, on the other hand, is a synthetic material derived from polymers.

When did Gerri Willis have plastic surgery?

Gerri Willis underwent plastic surgery in February 2020.

Can you convert a inground pool with concrete bottom and polymer sides into a liner pooll?

I'm going to presume that it already had a liner in it once before.. there are only a few systems like you are describing. One is a stainless steel wall and concrete bottom (.claytonlambert), and the other is a (onlyevolution) composite (not polymer though) wall system that is painted with a painted concrete bottom. I think there is a company called Swimcrete as well.. but, either way, if you wanted to drop in a liner, you'd need to have some sort of coping or beadtrac around the top. If you could post a picture it would be helpful!

The answer is "absolutely not"! The liner folks will be happy to sell you a liner, but it will not last 2 years. A hybrid pool lacks the required 'concrete receptor coping' installed in all vinyl liner pool installations. The required concrete receptor coping is extremely strong and contains what is known as a 'bead receptor'. All vinyl liners are manufactured with a 'bead' around the top of the liner. Obviously, at installation the bead is inserted into the bead receptor enabling the liner to support well over a hundred thousand (100,000) pounds of water. Even a small vinyl liner pool, 16x32, holds about 125,000 pounds of water.

The vinyl liner salesmen, those without ethics, will nail a track into the top of the polymer wall, then screw the liner into the track. In other words, the 20mil liner with screw holes is expected to hold at least 125,000 pounds. As soon as the ground settles, even a little bit, the liner tears and you're out thousands of dollars. Better is resurface the walls with swimming pool gelcoat.

What percent of the world uses plastic?

Well 25% recyle so that means 3/4 or as known 75%

What is monomer of acrylic?

The monomer of acrylic is known as methyl methacrylate (MMA). It is commonly used in the production of acrylic plastics, resins, and paints. MMA undergoes polymerization to form the polymer known as poly(methyl methacrylate) or PMMA, which is used in a wide range of applications due to its transparency, impact resistance, and weatherability.

Do plastic bags resist heat?

Plastic bags can melt when exposed to high temperatures due to their low melting point. It is important to keep them away from heat sources to prevent them from deforming or releasing harmful chemicals.

Where do you get the plastic cap hanger for a trimmer attachment to hang in your garage?

Here is the part number for Poulan... they are all universal from what I can tell (Ryobi, Homelite, etc).

Google it to find a seller. I needed 3 of them, so I ordered six since they are cheap and shipping is a lot.

Poulan 530095894

Is thiuram or a thiuram-mix in plastic?

Thiuram is a chemical used in the production of rubber and plastics, particularly in the manufacturing process of polyethylene and polypropylene materials. It is commonly used as an accelerator in the vulcanization process to improve the properties of rubber and plastic products. However, the specific presence of thiuram or a thiuram-mix in plastic materials would depend on the manufacturing process and intended application of the plastic product.