Laminate
The present invention provides a laminate having an environmental cracking resistance for a fuel and a fuel impermeability and, in addition, higher in productivity. The present invention is a laminate including a chlorotrifluoroethylene copolymer layer (C) and a fluorine-free organic material layer (K), wherein the chlorotrifluoroethylene copolymer has a melt flow rate of 15.0 to 40.0 (g/10 minutes) and contains 15.0 to 25.0 mole percent of chlorotrifluoroethylene units relative to all monomer units.
1. A laminate comprising a chlorotrifluoroethylene copolymer layer (C) and a fluorine-free organic material layer (K),
wherein the chlorotrifluoroethylene copolymer has a melt flow rate of 15.0 to 40.0 (g/10 minutes) and contains 15.0 to 25.0 mole percent of chlorotrifluoroethylene units relative to all monomer units, and
the chlorotrifluoroethylene copolymer is a chlorotrifluoroethylene/tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer.
2. A laminate according to claim 1 ,
which comprises the chlorotrifluoroethylene copolymer layer (C) and the fluorine-free organic material layer (K) and, further, a fluorine-containing ethylenic polymer layer (J), the fluorine-containing ethylenic polymer being different from the chlorotrifluoroethylene copolymer of layer (C) and the layer (J), the layer (C) and the layer (K) being bonded together in that order.
3. A laminate according to claim 1 , wherein the fluorine-free organic material comprises at least one species selected from the group consisting of polyamide resins and polyolefin resins.
4. A laminate according to claim 1 , which is a fuel tube.