Polymer separation membrane is a semi permeable membrane with selective permeation function. The semi permeable membrane, differential pressure, temperature gradient and concentration gradient or potential difference as the driving force, t
2017-04-05Source classification of polymer materials
Polymer materials are divided into natural polymer materials and synthetic polymer materials. Natural polymer is a kind of macromolecule material which exists in animals, plants and organisms. It can be divided into natural fiber, natural r
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