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Plastics and Polymers

~5500 answered questions
Parent Category: Chemistry
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.

Subcategories

Galvanixed rust! We have been in the vinyl business over 25 years and have see it rust..BUT it is stronger that polymer..We have seen tree roots crack plastic walls..
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The toilet should have a 3" drain coming from the toilet and has to leave the room some where. When it passes the wall you can put a 3"x 2"x 3"sanitary tee( which should be going with the flow)and have vent stack running along the interior of the wall this may involve tearing out the drywall. Then j…
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All microwave-safe cookware can be washed in the dishwasher, but follow manufacturer's label or guide instructions on where to place it--top rack only, or either rack. Or wash by hand in regular mild dishwashing liquid. Never use heavy duty mesh cleaners. If food remains after washing, use a plastic…
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From my experience as an inground cement pool owner for 7 years. Drain it and have it sandblasted and repaint with a quality marine/pool paint. I would not recommend the paint sold at your local pool supply store. My pool is 20 x 40 and hold 40,000 gallons of water. The paint I use is from a local c…
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I have one, ticket number 380. I cannot find any information on this item, but would like to sale mine.
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Answer One time I used a sheet of paper and an iron. Lay the sheet of paper over it and take a hot iron and put over the paper. It will melt the plastic and it will stick to the paper. Answer I am not sure about melted plastic, but I've removed dried wax from fabric by placing a brown paper b…
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Polymer pool wall bulges can indeed be fixed. It entails cutting out the bulging part, backing the repair with high grade plywood and replacing the polymer section.
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This malady just occurred with me. In my instance, it was a very light pan lid and had just finished melting all over everything. I let the oven cool down a bit but not completely and then took a metal knife and chipped at the plastic gobs. They were hard enough to come off as a full gob but still m…
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The best place to purchase a plastic gazebo is at a local hardware or big box retail store. Online gazebo web stores also carry plastic gazebo's.
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Structural foam plastic (polymer) is being replaced by fiber reinforced composite material. The same material used by NASA, the Military, and engineers around the world... they'll tell you structural foam is as strong as steel.. but not even close.
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Answer HAVE YOU TRIED FINGERNAIL POLISH REMOVER? EasyOff Oven Cleaner will also work.
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Answer Try white vinegar in a spray bottle with a good tough scrubbing pad. It eats the hard water stains and soap scum. Hot white vinegar is even better. Answer I don't like the smell of vinegar in the shower. I found a great product at the home show for cleaning showers. Its called Scum OFF. …
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Answer No, but you can put it in the microwave. ANSWER Yes, you can buy a plastic tube pan in the oven. You can buy it at the cookware shop
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Cartilage grows with age. Unfortunately, noses are made up primarily of cartilage and generally grow, albeit very slowly. I haven't heard of any treatments available that can shrink your nose without surgery. But you can have your hair styled in a way to divert attention away from your nose or to …
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From personal experience, I'd say that no plastic pick can replace dental floss. Most of the picks can be too wide for some gaps between teeth. If you have problems with bleeding or tender gums, the picks can cause more bleeding and swelling if your aim isn't good.Plastic, or even wooden, toothpicks…
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Yu-Gi-Oh Summons Yes, you can use the effect of The Light - Hex-Sealed Fusion to Special Summon either Cyber-fusion monster. Obviously you need to have Hex and one or more Cyber Dragons on the field to use its effect. However, you cannot use Hex to Fusion Summon (using Polymerzation, Future Fusi…
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Answer They're called aglets.
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Answer Keep the house well ventilated (fans on, windows open, doors open, etc). Bring a pot of water and vinegar to boil, then let simmer. Be sure to refill when it starts to get low. Try also wiping your cupboards, counter tops, etc, down with vinegar or a vinegar water mixture. - Slice an…
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If plastic is dropped it won't shatter like glass; however, plastics that hold food and beverages can contain substances that might leach into the contents, and may be harmful to human health.
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How a Lunch Bag Works Out of fairness and my philosophy (which goes against the grain), that there is no such thing as a stupid question, I am going to explain the inner workings of a lunch bag. Once you have the bag in hand, you need to carefully open it. You can do this in one of several wa…
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Plastic surgery is a medical procedure with the purpose of alteration or restoring the form of the body. It includes many types of reconstructive surgery, hand surgery, craniofacial surgery, microsurgery and the treatment of burns. Plastic surgery -plastic surgery process deals with the reconstructi…
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First, there are two different kinds of rubber: natural rubber - it comes from the sap (latex) of the rubber tree synthetic rubber - in comes from petrochemicals Both types of rubber are long chain polymers. The hardness and durability of rubber is improved by a process called "vulcanization" w…
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Spell support is very important in the deck. With them, you can't Fuse and take advantage of the fact you have E-Heroes. "E-Emergency Call" is too important to leave out. Unlike "Reinforcement of the Army (RotA)", this card lets you get Warriors above 4-stars; but it doesn't hurt to have both in a d…
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Common thermoplastics range from 20,000 to 500,000 in molecular mass, while thermosets are assumed to have infinite molecular weight. These chains are made up of many repeating molecular units, known as "repeat units", derived from "monomers"; each polymer chain will have several thousand repeat uni…
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Let is stay in some bleach for some time. But don't use too much! Light (UV), ozone, or other things can attack the plastic over time. Some plastics (and there are a many types of plastic) are more prone to attack than others. Plastic resists a lot of changes, but time and a given type of attack ma…
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I had a stroke and it apparently affected my tastebuds so everything tasted like cardboard.
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Answer A composite is any material made of more than one component. Polymer composites are composites made from polymers, or from polymers along with other kinds of materials. For more information, see the Web Links to the left of this answer.
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Silk is actually a polymer made by protein complexes in the repeating fashion.
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They are created by monomers
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If the Magic Marker is on a slick surface (like a dry erase board) you can run a dry erase marker over it real fast and immediately erase it. Amazingly it works... Answer magic marker mailbox Mr. Clean eraser sponge may work, finger nail polish remover and a cloth, Acetone almost certainly…
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WHY EPS FOAM COOLERS ARE BETTER AT KEEPING ICE FROZEN Great question! As a foam cooler manufacturer, we have a lot of experience and hundreds of stories by regular Joes who swear up and down that their reasonably-priced, thick wall Expanded Polystyrene (EPS) foam coolers are better at keeping ice a…
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Plastic is made of monomers Organic plastics are polymers, composed of monomers (repeating units). A polymer is a chain of molecules repeated again and again these monomers will become plastic by addition polymerisation and the monomers are held by weak intramolecular forces and the forces may alig…
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This depends on the plastic for an exact answer but in general terms, plastic is a polymer. Polymers are made from monomers. PVC (polyvinylchloride) is generally seen as a hard plastic. It is made from vinyl chloride monomers which are pieced together to form a long chain. These are then placed alon…
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Steel is more conductive than plastic is. The reason for this is that iron is more reactive than plastics are as they have valence electrons and plastic does not.
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Noncrystalline thermoplastic that can come in many colours, weather and shatter resistant. It is used in many things such as acrylic nails, airplane canopies, display fixtures, advertising sign models, toys, light fittings, safety shields for machinery and many other useful items. i am the best Acr…
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The monomers of DNA are called nucleotides, and the polymer is a polynucleotide. There are four different nucleotides in DNA called A, T, G, and C for the nitrogenous base sidegroup (adenine, thymine, guanine, and cytosine respectively) attached to the sugar-phosphate backbone (deoxyribose-phosphat…
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Phenolic resins are mainly used in the production of circuit boards. They are better known however for the production of molded products including pool(Billiard) balls, laboratory countertops, and as coatings and adhesives. In the form of Bakelite, they are the earliest commercial synthetic resin
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They are Nucleic acid - from cells, Proteins - translated from genes, lipids - from proteins and carbohydrates - from proteins.
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how our ocean is getting trashedthey dispose of their trash and garbage in the ocean and they take our whales out by killing them
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The first human-made plastic was invented by Alexander Parkes in 1855.Leo Beakeland, a Belgian Chemist
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first of all, they take the plastic bottles from the recycling bins, then they get them and recycle them.the process can be quite difficult and expensive.
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Do not microwave melamine. It will absorb the radiation and heat the bowl, plate, etc. and not the food. If it gets hot enough the melamine can become unstable creating bubbles or a break down in structure. Melamine resin will not melt and does have flame retardant properties making it great for man…
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The breakdown occurs through a process known as hydrolysis which is the reversal of a condensation reaction.
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Monomers are the building blocks that are used to make polymers. Remember: mono = one, poly = many Monomers are like the links in a chain and polymers are like the chain. Many chain links (monomers) make up a whole chain (polymer)
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Answer Heat up the iron again--to its highest heat. Try using a blade to carefully scrape off the plastic. They are available in every hardware store. Run the iron over a cloth-covered piece of wax to remove the residual amount.
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Green plastic is recycled plastic made from various plastic products. These recycled items help reduce the amounts of trash and land fills the world has.
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a synthetic material
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Answer According to Ian's shoelace site, you don't need a tool. There are many ways of fastening aglets, for plastic, you simply wrap, and melt. For more info, see the link I have provided.
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The general answer is that plastic boxes are made by injection molding them. With few exceptions, plastic boxes, regardless of what kind of plastic is used in their manufacture, begin as small pieces of stock that are heated and forced into a machined mold. The mold is then cooled just a bit and the…
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Answer Plastic grocery bags can be recycled, you have to take them to a recycling center or even at HEB you can recycle plastic bags. YES, please recycle them because it will help the environment.
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Polysaccharides are a chains of carbohydrates (monosaccharides) linked together that are longer than 10 to 20 units. Starch, glycogen, and cellulose are made from glucose. Other polysaccharides are made from a variety of different monosaccharides. Hemicelulose is made from glucose, xylose, mannose, …
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Answer Fashion a snake out of a length of stiff wire and make a hook at the end. Snake the wire into the drain line, snag the curtain rod, and pull the offending items out. Also 10ft is not very long. Your local home improvement shop may have tools to help you. (Such as fish tape/snakes)
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yes, rulers are made of this material and rulers break easily. TRUST ME! try hitting a ruler on your head.
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They are myriad. Plastics are made from petroleum and can leach all kinds of toxins that are released by either heat or cold. Plastic water bottles specifically can leach something called phyto-estrogen, which can distrupt the reproductive organs in fetus and small children. Plastics left unattended…
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i have never seen this happen
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Because plastic is a non-conductor and as such does not conduct electricity.
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Plastics are made by a chemical process called polymerization. There are several different types of polymerization: Condensation polymerization is a reaction where two molecules join into one larger one, releasing a (generally small) molecule in the process. Examples of condensation polymers are N…
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Monomers can be defined as relatively small and simple molecules that bond together (during a polymerization reaction) to form a macromolecule called a polymer. Thus we can say that monomers are the units responsible for the formation of a polymer. A monomer is a molecule that can be bonded to other…
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No. The Neos Fusion Monsters that use Neo Spacians can ONLY be Special Summoned by "Contact Fusion", meaning the fusion material monsters must be on the field and are sent to the Graveyard to Special Summon the monster.
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Most plastic bags are made of some form of PET or Polyethylene terephthalate and can be recycled (like plastic drink bottles) to create products such as Polar Fleece garments.
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If you're referring to the card's color, most plastic cards are printed on white core material then laminated, making them a white plastic card. Though it's possible to have all sorts of colors as the core material for the card.
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1. make a mold. 2.put plastic of the color chosen in to the mold.(melted plastic) 3.wait for it to dry in the mold. 4.take it out of the mold and there you have it an army man.
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You're already on the right track, as the process for making these little guys is called injection molding. You'll need molds, and a machine that takes feed stock (plastic pellets) and feeds them through a "pipe" using a screw inside. The "business end" of the pipe has a an electric heater around it…
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credit cards
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can you give me the procedure how to make a floor wax Save out of plastic wrappers, the apparatus or materials neede and the resul of it?
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depends on area and thickness of sheet
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a quick fix on any white non painted plastic is soft scrubb. I use is on my ATV plastic to remove scraches and stains. Work and is quick
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You can drop it off at a grocery store such as Longo's
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Answer Plastic bags rip to easily and it is way better to use a reusable bags! If you think about it then there is know reason to use plastic bags! They hurt the environment, they rip easily and when you go to the store they store like puts only two things in them! Well anyways if you go to chi…
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Polymer is a large, complex molecule built from smaller molecules joined together in a repeating pattern.poly means many, mer means part these words are from greek language. example for polymer are polyethene etc
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Polymer is a coagulent that is added to a flow to help separate out components, typically solids from liquids. In dewatering it assists with centrifuging sludge, and in filtering water assists with controlling turbidity.
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Answer Polymers don't rust, not like iron does anyway, but they can oxidize. Polymers are essentially what is commonly called plastic. Rust is simply iron combining with oxygen, and the carbon atoms in a polymer can do the same thing. This will lead to decomposition of the polymer. It depe…
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They are used for bike and car tires, some types of plastics, pipe restorations, DNA blueprints in our bodies, and protein and starches in the foods we eat.
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Melamine is a white crystalline compound made by heating cyanamide and used in making plastics. China has been using melamine in baby formula milk and it can harm or even kill the babies who drink the milk!
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Answer It appears, at least to me, that the questioner wishes for a list of elastomers that are either solvent-resistant, age-resistant (whatever that means) or both. He presents these elastomers: natural rubber styrene-butadiene polymers (actually "styrene-butadiene-styrene" modified bi…
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Resin is gum type materials of the pine tree. This can extract from pine tree through different methods. Rosin is that which is made from resin. When the resin will be melted and make separation. Then rosin and turpentine oil will made from rosin.Resin cannot made from rosin, its directly extract fr…
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In thermoplastic polyurethanes , phase separation dose not exist but in thermoplastic elastomer polyurethanes phase separation has occured .
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Coushioned couch.
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Plastics are any of a wide range of synthetic or semi-synthetic organic solids that are moldable.here is the work that have done : From pens, bottles, sunglasses, and much more there are endless amounts of uses that plastics have in today's modern lifestyle. Plastics are made out of hydro carbon mo…
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Visual psychological effect of our mind!I think that there is no difference between any liquid that you put inside of a glass and any kind of plastic one, this is only a visual psychological effect that is picture out by our mind when we're drinking it! Any different chemical substance has been foun…
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Most commonly plastic bags or made from polyethylene with different densities. An example would be, grocery store bags are made from high-density polyethylene (HDPE) and the shiny shopping mall bags are made of linear low-density polyethylene (LLDPED)Welll LLDPED is veryh technical more like i cba t…
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well not necicerily from oil. plastic could be made by boiling milk and adding vingear to it 10mlvin with100mlmilk
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What is arguably the best way to remove melted plastic from metal is by mechanical means. Scraping it off is almost always best. Any smooth metal surface will respond to a carefully applied razor blade scraper. Be careful to use a "low angle of attack" to avoid scratches. Be patient and any smooth m…
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No. Rescroid's effect only applies to monsters that are destroyed by battle and sent to the Graveyard. So other roid monsters sent to the graveyard in any other way can't be brought back by this effect.
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No. Fine glass fibers are permeated with plastic compounds or resins to combine the strength of glass with the durability of plastics.
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Target changed their shopping carts to the red plastic design in 2006. Target made the change to add more comfort to customer's shopping experience.
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Cross-linking fixatives are types of fixatives that are used to quickly halt enzymatic degradation. Formaldehyde, osmium tetroxide, and glutaraldehyde are the most commonly used cross-linking fixatives.
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You can use epoxy paint for appliances on plastic appliances. This type of paint is very durable on plastic surfaces.
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By dissolving 2 polymers, mixing the solution, adding a surfactant and evaporating the solvent. Alternatively you can heat the polymers above the melting point and mix them
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Polymer paint can be bought from a paint store, and it can also be purchased from the manufacturer. This paint is extremely durable due to its bond to materials.
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Answer Buy resin in hardware store, follow direction. Sign : B.L. This guy has posted an excellent tutorial. http://www.b9robotresource.com/molding1.htm
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PVC is mostly always a gray material. Most commonly used in piping and vinyl siding it is one of the more commonly used plastics as well as inexpensive. It is a rigid durable and has great impact strength.
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If you have a tendon that tears and cannot be repaired then it must be replaced. A plastic ops tendon may be used in place of the original tendon if necessary.
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it is said that freezing water in an ordinary plastic bottle can cause cancer, you may like me thinki this is very stupid when you first hear this, but it is true! when you freeze the water, bits of plastic freeze into the water and so when you are drinking the water, you are drinking bits of plasti…
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the plastics are cheap, durable and easily made into intricate shapes.
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