abstract |
(57) [Summary] [Purpose] To provide canisters with excellent properties such as mechanical strength, chemical resistance, oil resistance, gas all resistance, and gasoline resistance. [Composition] A canister made of polybutylene naphthalene dicarboxylate, especially polybutylene-2,6-naphthalene dicarboxylate. Compared with a canister made of polybutylene terephthalate or polyamide (nylon 66), the gas permeability coefficient of gasoline and gas all is low, and cracks etc. do not occur due to calcium chloride. |