EP 1725509 A1 20061129 - DRYING SHRINKAGE-REDUCING AGENT
Title (en)
DRYING SHRINKAGE-REDUCING AGENT
Title (de)
MITTEL ZUR VERRINGERUNG DER TROCKNUNGSSCHRUMPFUNG
Title (fr)
AGENT REDUISANT LE RETRAIT DE SECHAGE
Publication
Application
Priority
- JP 2005005070 W 20050315
- JP 2004074017 A 20040316
Abstract (en)
[origin: WO2005087685A1] A drying shrinkage-reducing agent which comprises a polymer containing as an essential component at least one structural unit (I) represented by the following formula (1): [Chemical 1] wherein R1, R2, and R3 independently stand for a hydrogen atom, a methyl group, or a -(CH2)pCOOX group, wherein X stands for a hydrogen atom, a monovalent metal, a divalent metal, an ammonium group, an organic amine group, or a hydrocarbon group, and p is an integer of 0 - 2; and R4 stands for a hydrocarbon group of 4 - 30 carbon atoms, and exhibiting surface tension in the range of 25 - 50 mN/m in a solution containing 0.2 mass% of the polymer in a cement supe
IPC 8 full level
C04B 24/26 (2006.01); C04B 24/32 (2006.01); C04B 28/02 (2006.01); C08F 220/18 (2006.01); C08F 220/28 (2006.01); C08F 290/06 (2006.01)
CPC (source: EP US)
C04B 24/2647 (2013.01 - EP US); C04B 24/2694 (2013.01 - EP); C04B 28/02 (2013.01 - EP); C08F 220/286 (2020.02 - EP US); C04B 2111/34 (2013.01 - EP)
Citation (search report)
See references of WO 2005087685A1
Designated contracting state (EPC)
DE IT
DOCDB simple family (publication)
WO 2005087685 A1 20050922; WO 2005087685 A8 20051124; CN 1934050 A 20070321; EP 1725509 A1 20061129; JP 2007529397 A 20071025
DOCDB simple family (application)
JP 2005005070 W 20050315; CN 200580008410 A 20050315; EP 05721220 A 20050315; JP 2006519435 A 20050315