What are epoxy adhesives made of? Epoxies are created bypolymerizing a mixture of two starting compounds, the resin and the hardener. When resin is mixed with a specified catalyst, curing is initiated. Curing is the process by which molecular chains react at chemically active sites, resulting ...
The use of recycledpolyesterandcottonby brands such as H&M and Cotton On are key aspects of these companies' sustainability initiatives—but the source of these recycled fibers usually isn't clothing. Recycled polyester tends tocome from plastic bottles, and recycled cotton is usually made from man...
Acrylic is the generic name given to the type of plastic made from a chemical called methacrylate. There are many types of acrylic resins based on different types of methacrylate molecules, but their chemistry is similar. The acrylic used in sculpted nails is formed by the reaction of a ...
Tubing can be either flexible or rigid. For flexible tubing, materials such as elastomers, cross-linked polyethylene (PE), flexible polyvinyl chloride (PVC), and polyurethane are commonly used. Rigid tubing, on the other hand, is usually made from commodity resins. ...
Actual food is being widely replaced with plastic display dishes in restaurants, and as many a disappointed fish can attest, living creatures, from minnows to frogs to earthworms, are now being replaced with live-looking and live-smelling plastic fishing baits. ...
How to Recycle Reusable Water Bottles The Best Electric Vehicle Chargers The Best Shampoo Bars The Next Time You Order Takeout, Don't Forget This Famous Quotes for Earth Day What Does "Eco-Friendly" Mean? Advertisement - Continue Reading Below...
Today, however, growing worldwide demand has made this a global problem. What are the causes of the increased demand? What measures could governments and individuals take to respond to this problem? Give reasons for your answer and include any relevant examples from your own knowledge or ...
climate change biologists are reluctant to identify winners and losers in this great struggle for survival, but certainly species that have a plastic response the way those squid do have a great advantage over species with limited plasticity. from the warm waters of mexico, we traveled to the ...
Stop. Take a quick look around you and notice how many of your possessions are made from plastic. Crazy, isn’t it? Some of them will be entirely plastic and some will just have a few plastic components. The versatility of the stuff is astonishing. There’s plastic on my monitor, plast...
It may seem like all plastics are similar, whether they are used for everyday items like cups and plates or for more robust products like barrels and storage containers. However, there are actually thousands of distinct plastic types, each made from various base chemicals, modifications, and add...