renewable feedstocks

Is Polymer Renewable Or Nonrenewable?

by

Is Polymer Renewable Or Nonrenewable? Currently, most industrial polymers and plastics are produced from non-renewable, oil or gas-based resources. What makes a polymer renewable? Sustainable polymers from renewable resources can be obtained through chemical modification of natural polymers, such as starch, cellulose, or chitin [3,4]. Biobased polymers can also be synthesized through a two-step process

What Are The 4 Non-renewable Resources?

by

What Are The 4 Non-renewable Resources? There are four major types of nonrenewable resources: oil, natural gas, coal, and nuclear energy. Oil, natural gas, and coal are collectively called fossil fuels. Fossil fuels were formed within the Earth from dead plants and animals over millions of years—hence the name “fossil” fuels. What are 4 renewable