Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
IMPROVED ALKYL HYDROXYALKYL CELLULOSE ETHERS, METHODS OF MAKING, AND USE IN CEMENTS AND MORTARS
Document Type and Number:
WIPO Patent Application WO/2015/076874
Kind Code:
A3
Abstract:
Disclosed are methods for the preparation of alkyl hydroxyalkyl cellulose ethers, and the use of such alkyl hydroxyalkyl cellulose ethers in the preparation and use of mortars and other cement-based systems; also disclosed is a hydraulic composition containing at least one retarder, at least one accelerator and a cellulose ether having a prolonged open time without deterioration of the other cement tile adhesive properties such as workability, setting time, strength development and sag resistance; and further disclosed are dry mortars containing encapsulated calcium chloride used in preparing mortar materials for use in construction, and the preparation and use of such mortars in cold weather environments is also disclosed.

Inventors:
BRUSH KELLY A (US)
COWAN PATRICK J (US)
HOHN WILFRIED ADOLF (DE)
KINDLER ALEXANDER ADOLPHE (DE)
NILLES VERA LOUISE (DE)
Application Number:
PCT/US2014/047808
Publication Date:
July 16, 2015
Filing Date:
July 23, 2014
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HERCULES INC (US)
International Classes:
C08B11/193; C04B20/10; C04B24/38; C04B28/02; C08B11/20; C08L1/28; C04B111/00
Domestic Patent References:
WO2002094882A12002-11-28
Foreign References:
EP1589035A12005-10-26
US3544556A1970-12-01
US2672937A1954-03-23
EP1166866A22002-01-02
CN101468901A2009-07-01
JP3727102B22005-12-14
Attorney, Agent or Firm:
CHEN, Shaorong (500 Hercules RoadWilmington, DE, US)
Download PDF: