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Title:
LIGNIN-BASED CONCRETE ADMIXTURE
Document Type and Number:
Japanese Patent JP2011184230
Kind Code:
A
Abstract:

To provide a concrete admixture which has no limitation about the kinds of lignin to be used as a raw material and has higher performances than a conventional lignosulfonic acid-based concrete admixture.

The concrete admixture essentially comprises a lignin derivative produced by the reaction of lignin and a hydrophilic compound.


Inventors:
YAMADA TATSUHIKO
KUBO TOMOHITO
URAKI YASUMITSU
HONMA HARUMI
Application Number:
JP2010050595A
Publication Date:
September 22, 2011
Filing Date:
March 08, 2010
Export Citation:
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Assignee:
FORESTRY & FOREST PRODUCTS RES
UNIV HOKKAIDO
International Classes:
C04B24/18; C04B24/02; C04B24/32; C08H7/00; C04B103/30
Other References:
JPN6011023468; 本間春海ほか: '各種単離リグニンから調製した両親媒性誘導体の性状' 第44回高分子学会北海道支部研究発表会 講演要旨集 p.10(O3), 201001
JPN6011023469; 本間春海ほか: '高界面活性リグニン誘導体の調製とその分散性能の評価' 日本木材学会北海道支部講演集第41号 p.17-20(A-6), 2009
JPN6013062682; 本間春海: '高分子界面活性剤としての両親媒性リグニンの調整及びその機能評価' 北海道大学2007年度卒業論文 , 20080502
JPN6014023294; コンクリート技術の要点'98 第1版第1刷, 19980910, 図1.3-2, 社団法人 日本コンクリート工学協会
Attorney, Agent or Firm:
Hajime Tsukuni
Fusayuki Saito