The University of Wisconsin recently successfully developed a new type of flexible polypropylene foam plastic. It not only has many advantages of expanded polystyrene, but also solves some of the deficiencies of polystyrene, is an excellent environmental protection green packaging material.
Since the advent of this type of flexible polypropylene foam plastic, its excellent performance has aroused great interest in the packaging industry, especially when it is used as a shockproof material for the packaging of home appliances and fragile articles, and the protection effect during transportation and loading and unloading is very good. .
According to reports, the production method of this kind of elastic polypropylene foamed plastic is to add metal catalyst first during the polymerization reaction of propylene, so that the produced polypropylene molecules alternately appear in the form of “hard†and “elastic†and form embedded Segment polymer, and then add a special foaming agent foaming, resulting in a flexible polypropylene foam plastic.
The hard molecular chains give the shockproof material a certain mechanical strength and stability, while the elastic molecular chains give the shockproof material a tough and flexible performance.
Although the use of such plastics is relatively expensive, due to its solidity, reliability, ease of recycling, and reusability, the total cost of use can be significantly reduced, thereby significantly reducing packaging costs.