Title:
GRANULATED ASPHALT COVERING FILM AND MANUFACTURE THEREOF
Document Type and Number:
Japanese Patent JP2001048227
Kind Code:
A
Abstract:
To provide a granulated asphalt covering film and a manufacture thereof, excellent in packageability, storability and transportability as a packaging material for granulated asphalt having 0.01 to 100 g in weight, having less restriction to a melting point and thickness, and capable of improving dispersibility when it is melted under heating.
A granulated asphalt covering film for covering the surface of asphalt whose weight is 0.01 to 100 g has 70°C<Tm≤300°C of a melting point Tm and 2 to 200 μm in thickness and is made of a thermoplastic resin. This granulated asphalt covering film is formed by any method of a T-die cast film extrusion method, a blown-film extrusion method and a calendered-film forming method.
Inventors:
MAEMURA EIJI
Application Number:
JP22110999A
Publication Date:
February 20, 2001
Filing Date:
August 04, 1999
Export Citation:
Assignee:
IDEMITSU PETROCHEMICAL CO
International Classes:
B65D65/40; (IPC1-7): B65D65/40
Attorney, Agent or Firm:
Minoru Kinoshita (2 outside)