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据1971年Rubber Age Vol.103,№5报导,美国在1979年橡胶的消费量预计将达到3,900,000吨,合成橡胶占美国整个橡胶市场的84％,占世界橡胶市场的73％。1979年美国合成橡胶的消耗量将达到3,260,000吨,世界橡胶消耗量将达到8,000,000吨。据报导,七十年代美国合成橡胶每年增长速度为4％。又据报导,资本主义世界每年可聚合1,700,000吨橡胶。其中聚丁二烯占874,000吨,丁
According to Rubber Age Vol.103 and No.5 in 1971, the consumption of rubber in the United States in 1979 is expected to reach 3,900,000 tons. Synthetic rubber accounts for 84% of the entire US rubber market and 73% of the world’s rubber market. In 1979, the consumption of synthetic rubber in the United States will reach 3,260,000 tons, and the world’s rubber consumption will reach 8,000,000 tons. It is reported that in the 1970s, the annual growth rate of synthetic rubber in the United States was 4%. It is also reported that the capitalist world can aggregate 1,700,000 tons of rubber each year. Among them, polybutadiene accounted for 874,000 tons.