SOLVENT-FREE-TYPE MODIFIED BITUMEN COMPOSITION AND METHOD FOR PRODUCING THE SAME

Title:

SOLVENT-FREE-TYPE MODIFIED BITUMEN COMPOSITION AND METHOD FOR PRODUCING THE SAME

Document Type and Number:

Japanese Patent JP2008266380

Kind Code:

A

Abstract:

To provide a solvent-free-type modified bitumen composition enabling a hardening time to be suitably regulated according to the production condition such as a temperature, a scale and installation speculation at the production site, and having excellent operability and economy.

The solvent-free-type modified bitumen composition contains a component (A) of an isocyanate group-terminated hydrophilic urethane prepolymer obtained by reacting a polyisocyanate compound (A1) with a hydrophilic polyol compound (A2), a component (B) of a bitumen emulsion obtained by emulsifying a bituminous substance (B1) in water (B2), and a component (C) of a heterocyclic compound having an -N=C-NH- skeleton in the molecule.

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Inventors:

YAMADA TORU

Application Number:

JP2007107920A

Publication Date:

November 06, 2008

Filing Date:

April 17, 2007

Export Citation:

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Assignee:

DAI ICHI KOGYO SEIYAKU CO LTD

International Classes:

C08L75/04; C08G18/48; C08K5/34; C08L95/00; C09K3/10

Attorney, Agent or Firm:

Tamako Tsutada
Masato Tsuda
Tetsuji Nakamura
Katsuyuki Tomita
Husband

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