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1·A synthetic elastomer produced by catalytic copolymerization of isobutene with no more than 3% of isoprene;

异丁烯和不大于3%的异戊二烯催化共聚所生成的合成弹性体。

2·As one kind of high molecular weight suffocate hydroxybenzene antioxidant, antioxidant 1010 is widely used in plastic, rubber, synthetic fiber, elastomer, petroleum products and fodder fields.

抗氧剂1010是一种高分子量的受阻酚类抗氧剂，广泛应用于塑料、橡胶、合成纤维、弹性体、石油制品以及饲料领域中。

3·The synthetic mechanism of cellular PU elastomer for solid tire and the structure design and building method of said tire are introduced. The prospect of cellular PU solid tire is predicted.

介绍了聚氨酯微孔弹性体实心轮胎材料的合成原理、轮胎结构及成型方法，并对其发展前景做了预测。

4·The headband may be comprised of any material, including synthetic or natural such as, but not limited to, an elastomer or foam.

发箍可以由任何材料构成，包括合成的或者天然的材料，例如但不限于弹性体或者泡沫。

5·Synthetic conditions and the effect factors of polyurethane elastomer waterproof coating are researched.

研究了弹性聚氨酯防水涂料合成条件及影响因素。