技術摘要（英）
A method of preparing self-adhesive polyester elastomer composite membrane includes the following steps. Adding methyl formate or ethyl acetate to thermoplastic polyester elastomer (TPEE) powder or granules and mix well. Adding a modifier and adding a photo initiator or a thermal initiator, and then mixing 5 uniformly to prepare a mixture. Drying the mixture to prepare a polyester elastomer membrane through an injection laminating process. Preparing pressure sensitive adhesive. Pasting the pressure sensitive adhesive on one side of the polyester elastomer membrane.