| 摘要 |
Thermoplastic compositions particularly suitable for fabrication of low permeability hoses are produced by mixing a crystalline polyamide and a carboxylated synthetic rubber as polymeric materials and as a first additive a member selected from halides of lithium, magnesium, calcium and zinc and as a second additive a member selected from oxides and hydroxides of magnesium, calcium, barium and zinc and the peroxides of calcium and zinc.
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