德国杜塞尔多夫市一家公司生产了一种新型玻璃瓶，瓶子厚度仅１．４毫米。这种容量１公升的玻璃瓶的外面涂了一层厚０．１毫米的透明聚氨基甲酸酯薄膜，这层且一旦玻璃被打破，碎片也不会四溅。新型玻璃瓶稍重于聚合物瓶子，但比普通玻璃瓶轻得多，它可以回收再利用，可周转使 A company in Dusseldorf, Germany, has produced a new type of glass bottle with a thickness of only 1.4 mm. The 1-liter glass bottle is coated with a 0.1 mm thick clear polyurethane film on the outside, and the pieces will not spill once the glass is broken. The new glass bottle slightly heavier than the polymer bottle, but much lighter than ordinary glass bottles, it can be recycled, can be used