Title:
セメント粉砕補助剤
Document Type and Number:
Japanese Patent JP4308926
Kind Code:
B2
Abstract:
A cement clinker grinding aid which comprises a styrene-maleic anhydride copolymer (SMA) superplasticiser. The SMA is preferably a type with polyoxyalkylene-based side chains. Use of the grinding aid renders the grinding process more efficient and improves the performance of cementitous compositions in which the cement thus ground is used.
Inventors:
Bayhas El-Jazairi
Application Number:
JP2041597A
Publication Date:
August 05, 2009
Filing Date:
February 03, 1997
Export Citation:
Assignee:
Construction Research & Technology GmbH
International Classes:
C04B7/52; B02C23/06; C04B24/26; C08F299/02; C08L35/06; C08L55/00
Domestic Patent References:
| JP7157347A | ||||
| JP4978729A | ||||
| JP63285138A | ||||
| JP7126051A |
Foreign References:
| FR2671090A1 |
Other References:
岩渕俊次,粉砕助剤がセメントの品質におよぼす影響,セメント技術年報,日本,(社)セメント協会,1967年,第21巻,第191-197頁
Attorney, Agent or Firm:
Mitsuo Tanaka
Takuji Yamada
Mitsutaka Iwasaki
Aoyama Aoi
Takuji Yamada
Mitsutaka Iwasaki
Aoyama Aoi