Titlebook: Organic Polymer Chemistry; An Introduction to t K. J. Saunders Book 1973 Springer Science+Business Media Dordrecht 1973 polymer chemistry

Manifest

美學(xué)

緯線

受辱

施魔法

SKIFF

鍵琴

avulsion

Aminopolymers,olymers of this type which have been investigated, only two are currently of appreciable commercial importance, namely urea-formaldehyde and melamine-formaldehyde polymers. In addition, melamine-phenol-formaldehyde and benzoguanamine-formaldehyde polymers find limited application. In the past there

尊敬

土坯

Polydienes,s together with the products of polymerization and copolymerization of conjugated dienes. These various materials make up the contents of this chapter. The importance of the polydienes lies in the fact that they encompass the bulk of the commercial elastomers currently in use.