History
During the 1940s, '50s and '60s, the commercial development of the new monomers for production of the new polymers seemed endless. In this period, it was discovered that the development of the new techniques for the modification of the already existing polymers, would be economically viable.
The first technique of modification developed was the polymerization, in other words, the joint polymerization of more than one kind of polymer.
A new polymers modification process, based on a simple mechanical mixture of two polymers first appeared when Thomas Hancock got one mixture of natural rubber with Gutta-percha. This process generated a new polymer class called Polymer Blends.
Read more about this topic: Polymer Blend
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