acrylonitrile unit造句

例句与造句

1. Nitrile rubber is a copolymer of butadiene and acrylonitrile units, but the proportion of acrylonitrile is usually lower than butadiene, so attack occurs.
2. The copolymer has a glass transition temperature greater than 100 癈 owing to the acrylonitrile units in the chain, thus making the material resistant to boiling water.
3. The Federal Trade Commission defines modacrylic fibers as manufactured fibers in which the fiber-forming substance is any long-chain synthetic polymer composed of less than 85 %, but at least 35 % weight acrylonitrile units except when the polymer qualifies as rubber.
4. It's difficult to find acrylonitrile unit in a sentence. 用acrylonitrile unit造句挺难的