Question

why does polyster blended with cotton or wool

Answer 1

polyester is nt that comfertable n useful

thus
to have eool n cotton in its properties it forms
polycot or polywool

hope its helpful✌✌☺☺

Answer 2

Cotton fabrics are in use for hundreds of years because of the texture quality and breathability. Still, there are many disadvantages of using pure cotton fabric. To overcome all these problems, today cotton is blended with polyester. The polyester fabric has attained its popularity because of its smooth finish and tendency to get easily blend with other fabrics. So when cotton is blended with certain percentage of polyester, you get the best of both the fabrics and the end products is durable.