发明授权
US4729927A Polyester packaging material 失效
聚酯包装材料

Polyester packaging material
摘要:
A packaging polyester material comprising a polyethylene terephthalate component and a component of polyethylene isophthalate copolymerized with 5 to 60 mole % of an aliphatic hydroxycarboxylic acid having up to 8 carbon atoms. This packaging material is excellent in the resistance to the permeation of gases.
公开/授权文献
信息查询
0/0