Mortar composition with vinyl chloride polymeric adhesion promoting agent
Abstract
Abstract A MORTAR COMPOSITION CONTAINING A HYDRALULIC BINDER AND 5-50% BY WEIGHT OF AN ADHESION PROMOTING AGENT FOR THE MORTAR UPON HARDENING COMPRISING AN AQUEOUS DISPERSION PREPARED BY POLYMERIZING A MONOMER MIXTURE OF 30 TO 80% BY WEIGHT OF VINYL CHLORIDE AND 20 TO 70% BY WEIGHT OF POLYMERISABLE, INTERNALLY PLASTICISING MONOMERS IN THE PRESENCE OF AN AQUEOUS PHASE WHICH CONTAINS, REFERRED TO THE TOTAL WEIGHT OF THE MONOMERS. (A) 3 TO 6% BY WEIGHT OF AN EMULSIFIER MIXTURE WHICH CONSISTS OF 60 TO 90% BY WEIGHT OF NON-IONIC EMULSIFIERS AND 10 TO 40% BY WEIGHT OF ANIONIC EMULSIFIERS, (B) A POLYMERISATION CATALYST, (C) 2 TO 4% BY WEIGHT OF A WATER-SOLUBLE SOLVENT FOR THE POLYMER, (D) 0.3 TO 0.5% BY WEIGHT OF A COPOLYMERISABLE, WATERSOLUBLE MONOMER, AND (E) A BUFFER AGENT, AND FURTHER ADDING 0.5 TO 5% BY WEIGHT, REFERRED TO THE TOTAL DISPERSION, OF AN ANIONIC EMULSIFIER, AND 0.1 TO 0.5% BY WEIGHT, REFERRED TO THE TOTAL DISPERSION, OF AN ANTIFOAM AGENT TO THE DISPERSION THEREBY OBTAINED.
Inventors
- 👤 P Wicht
- 👤 K Volken
Bibliographic Details
Claims Analysis
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