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Most plastics come from hydrocarbon monomers - hydrogen and carbon. Occasionally another element, such as Fluorine, is added to make a different plastic. These monomer molecules are forced to join under heat and pressure (sometimes with a catalyst) to form a polymer.
Another group use Silicon rather than carbon. These form the silicone plastics.
What else can I help you with?
What type of plastic does not melt?
Thermosetting plastics. Once cooled and hardened, these plastics retain their shapes and cannot return to their original form. Thermosetting plastics dont melt (i think) :)
Which material left over from oil refining can be used to make plastics?
One material left over from oil refining that can be used to make plastics is naphtha. Naphtha is a feedstock commonly used in the production of various plastic resins, such as polyethylene and polypropylene. It is a type of light hydrocarbon obtained from the refining process and serves as a raw material for the petrochemical industry.
After two half-lives, how much of the original material has decayed?
After two half-lives, 75% of the original material has decayed.
What are the methods of preparation of Thermoplastics and Thermoset plastics?
Thermoplastic operations involve blowing a heated plastic into a mold. The end product is hollow. Thermoset plastics are sheets of plastic heated and place over two parts of a mold that come together. The end result is not hollow.
What plastics cannot absorb heat?
All material substances, including plastics of every type, can absorb heat to a greater or lesser degree (the measurement of heat absorbing ability is officially known as heat capacity). There are plastics that will melt if you heat them, but they still absorb heat, even as they melt.
What material is replacing metal?
plastics
Ping pong material?
plastics, rubber
What are the main material that can be recycle?
Paper, Plastics and Metals are the main material that can be recycled.
What is done to the plastics material in the plastic factory?
what is done to plastic material in the plastic factory
What is the difference between plastics and elastomers?
The difference between plastics and elastomers is actually quite simple. Plastics are made from oil and elastomers are made from synthetic material.
What don't melt?
Thermosetting plastics. Once cooled and hardened, these plastics retain their shapes and cannot return to their original form. Thermosetting plastics dont melt (i think) :)
What has the author John Steve Summersett written?
John Steve Summersett has written: 'The present status of plastics as an engineering material' -- subject(s): Plastics, Plastics in building
What material is acrylic cement used to join?
acrilic plastics.
What material beginning with the letter P can be moulded into usefull shapes?
Plastics
What materials do you need to make it bounce?
To make a material bounce, you would typically need a material with elasticity and resilience. Rubber, for example, is a common material used for bouncing due to its ability to deform and then return to its original shape. Other materials with similar properties, such as certain plastics or foam, can also be used for bouncing.
When stretched objects do not return to their original shape?
This phenomenon is called plastic deformation. It occurs when the material is stretched beyond its elastic limit, causing a permanent change in shape without returning to its original form. Plastic deformation is common in materials like metals and plastics.
Where are plastics naturally found?
Plastic is a synthetic material. It is not found naturally anywhere.
