Resin-coated pipe

Details Resin-coated pipe Resin-coated pipe

1994-12-27

1996-11-05

Nold, Charles

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

138140, 138143, 138145, B32B 1508

Patent

active

055715850

ABSTRACT:
Disclosed is a resin-coated pipe, which is obtainable by extrusion coating a tubular base with a resin composition comprising 5 to 30% by weight of a component A and 95 to 70 by weight of a component B. Component A: an ethylene-.alpha.-olefin copolymer resin in which the melt flow rate at a temperature of 190.degree. C. and under a load of 2.16 kg is 0.01 to 50 g per 10 min., the density is 0.910 g/cm.sup.3 or below, and the maximum fusion peak temperature as measured by a differential scanning calorimeter is 60.degree. C. or above. Component B: crystalline polypropylene, in which the melt flow rate at a temperature of 190.degree. C. and under a load of 2.16 kg is 0.1 to 10 g per 10 min. The resin-coated pipe, using the above resin composition which is excellent in processibility, is excellent in the mechanical strength, normal and low temperature impact resistance, heat resistance, chipping resistance and coating surface appearance.

REFERENCES:
patent: 3967020 (1976-06-01), Uemura et al.
patent: 4071048 (1978-01-01), Watase

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