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What sorts of plastic are there?
There are two types of plastics: thermoplastics and thermosets. Thermoplastics, if exposed to enough heat, will melt. Thermosets will keep their shape until they are charred and burnt. Some examples of thermoplastics are grocery bags, piano keys and some automobile parts. Examples of thermosets are children's dinner sets and circuit boards.
Which material changes reversibly in water?
challk
How do you make a plastic?
depends which kind of plastic......e.g. we have thermoplastics and thermosets.
Which roof covering system includes vulcanized thermosets?
Single-Ply
What material seems to change reversibly in vinegar?
liquids
Why can thermosets be recycled?
Thermosets are generally considered difficult to recycle due to their cross-linked molecular structure, which makes them rigid and non-meltable once cured. However, advancements in recycling technologies, such as chemical recycling and depolymerization processes, are being developed to break down thermosets into their original monomers or other reusable materials. These methods allow for the recovery of useful materials, thereby improving the sustainability of thermoset products. Nonetheless, the recycling of thermosets remains less common compared to thermoplastics.
What are TPEs?
In addition to thermosets, the specialty category also encompasses a relatively new category of rubbers called thermoplastic elastomers (TPEs). TPEs are often more economical to produce and easier to process than are thermosets.
Disadvantages of plastic bottles?
Plastic is very bad for womens espeacially.... because it is off 2 types thermoplastics and thermosetting polymers... Thermoplastics will soften and melt if enough heat is applied..... Thermosets can melt and take shape once; after they have solidified, they stay solid..... this might cause breast cancer..... so, ladies don't leave ur water bottle in car when u leave...
Which element reacts reversibly with steam to form its mixed oxide?
Iron (Fe) reacts reversibly with steam to form iron(II, III) oxide, or Fe3O4, also known as magnetite.
What are the similarities between thermo plastic and thermosetting plastic?
There are a few differences between the two. Thermoplastics usually contain additives to change the properties of the material such as polypropylene. Thermosets usually contain catalysts that change the state of the material at the molecular level. The main difference between thermoplastics and thermosets is that: -Thermoplastics can be re-melted and recycled fairly easily -Thermosets typically are cured and molded into shape and are not recycled as easily
What is a weak acid or base that combines reversibly with hydrogen ions?
Buffer
Oxygen is reversibly bounded to which metal ion in the blood when we breathe?
copper
