摘要:
The invention relates to the use of polyoxyalkylenes of the carboxylic-acid family as low-emission shrinkage-reducing agents in mineral binders, to methods for shrinkage reduction and to corresponding compositions.
摘要:
Embodiments of the present disclosure are directed to water-resistant products which contain a wax emulsion, or silicones, or siliconates, or fluorinated compounds, or stearates, or combinations thereof. In some embodiments, the compound can be used to provide enhanced moisture resistance to joints, or holes such as screw holes or nail holes, in a wallboard.
摘要:
The present invention provides a dry mix of cement, sand, metakaolin in the amount of 5 wt.% or less, based on total solids in the dry mix, and aluminum cement in a low amount (
摘要:
A release agent for concrete includes water, a vegetable oil or animal derived oil ester and a polymeric thickener. The composition can either be a direct release agent wherein the composition is a water-in-oil emulsion or an indirect release agent which is an oil-in-water emulsion. The indirect agent may further include vegetable oil wetting agents and biocides. The release agent does not include typical surfactants such as anionic surfactants, cationic surfactants, zwitterionic surfactants, nonionic surfactants, or amphoteric surfactants.
摘要:
A process for manufacturing asphalt is disclosed. The process comprises the steps of : (i) heating bitumen; (ii) heating aggregate; and (iii) mixing the hot bitumen with the hot aggregate in a mixing unit to form asphalt. From 10 to 200 wt% of sulphur, based upon the weight of the bitumen, is added in at least one of the steps (i), (ii) or (iii) and from 0.1 to 20 wt% of paraffin wax is added in at least one of the steps (i), (ii) or (iii).