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Patent Searching and Data


Title:
ADDITIVE FOR RECYCLED ASPHALT
Document Type and Number:
Japanese Patent JP2016089008
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an inexpensive and safe additive for recovering penetration degree or elongation of degraded asphalt binder by overcoming problems that adding additive mainly containing an oil component is conducted for recovering flexibility (penetration degree and elongation) for recycling an aged asphalt binder and the oil component is classified into an aliphatic-based and an aromatic-based and the aliphatic based cannot sufficiently recovery the elongation when recycling repeatedly and the aromatic-based is uneconomical because the added amount needs to be large for achieving the penetration degree.SOLUTION: There is provided an additive mainly containing phthalic acid polyester.SELECTED DRAWING: None

Inventors:
HIRAMATSU MAKOTO
TATEISHI MASAYOSHI
Application Number:
JP2014223988A
Publication Date:
May 23, 2016
Filing Date:
November 04, 2014
Export Citation:
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Assignee:
SHOWA REKISEI KOGYO KK
International Classes:
C08L95/00; C08K5/12; C08L91/00; E01C7/22
Domestic Patent References:
JP2003183507A2003-07-03
JP2003012932A2003-01-15
JP2009126878A2009-06-11
JPH11222594A1999-08-17
JPS5453130A1979-04-26
JP2008056742A2008-03-13
Foreign References:
WO2013163467A12013-10-31
WO2008025795A12008-03-06
WO2011158581A12011-12-22
Attorney, Agent or Firm:
永田 久喜
永田 貴久