Neoprene: the trade name for the synthetic rubber, polychloroprene, developed by Du Pont in 1931. It is widely used as an adhesive in shoemaking and in soling compositions.

• 氯丁橡胶:合成橡胶的商品名,由杜邦公司于1931年合成。制鞋业中的常用粘合剂以及鞋底的成分。