acrylonitrile unit造句

Nitrile rubber is a copolymer of butadiene and acrylonitrile units, but the proportion of acrylonitrile is usually lower than butadiene, so attack occurs.
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.
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.
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