Air bag cover for vehicles
AssigneeMitsubishi Chemical Corporation
InventorsTatsumi Tsuji, Motoko Itou
Life of this patent
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Abstract
There is disclosed a hinge type air bag cover for vehicles, produced by molding a thermoplastic elastomer composition comprising: (A) 55 to 80 parts by weight of an olefin-based resin; and (B) 20 to 45 parts by weight of a copolymer rubber of ethylene and an α-olefin having not less than 6 carbon atoms, the total content of said olefin-based resin (A) and sand copolymer rubber (B) being 100 parts by weight, said composition having a melt flow rate of not less than 5 g/10 minutes according to JIS K6758 at 230° C. under load of 21.17N, a flexural modulus of from not less than 550 MPa and less than 800 MPa, and a ratio of tensile break strength to flexural modulus of 0.03:1 to 0.07:1.
Claims10
A non-tearing air bag cover for vehicles, produced by molding a thermoplastic elastomer compositions comprising:
- (A) 55 to 80 parts by weight of an olefin-based resin;
- (B) 20 to 45 parts by weight of a copolymer rubber of ethylene and an α-olefin having not less than 6 carbon atoms,
- the total content of said olefin-based resin (A) and said copolymer rubber (B) being 100 parts by weight,
- said composition having a melt flow rate of not less than 5 g/10 minutes according to JIS K6758 at 230° C. under load of 21.17N a flexural modulus of from not less than 550 MPa and less than 800 MPa, and a ratio of tensile break strength to flexural modulus of 0.03:1 to 0.07:1.
Dependencies are inferred from the claim text.