A water-impermeable waterproof asphalt concrete composition having styrene isoprene styrene (SIS). The composition's waterproof performance due to its high cohesion and adhesion. The composition is durable and is not easily rutted, aged and/or stripped. In addition, the composition has a performance grade of PG 82-34, and can prevent water penetration and potholes. Furthermore, the asphalt concrete for prime coating and waterproof asphalt concrete can be applied to form an integrated structure by using a mixing/feeding system and can also be easily placed on site.

The present invention provides a concrete protective agent and a preparation method thereof, and a concrete protective film and a preparation method thereof. The concrete protective agent provided in the present invention includes the following components: water, oxalic acid, a defoaming agent, and a film-forming agent. When the concrete protective agent provided in the present invention is used for concrete protection, oxalic acid in the protective agent can react with calcium ions in concrete for in situ generation of calcium oxalate monohydrate inside and on a surface of concrete to obtain a protective film with strong adhesion to concrete. The film-forming agent in the protective agent is used as a template to adjust and control growth of calcium oxalate crystals, so as to improve waterproof performance and corrosion resistance to sulfate and chloride ions of the protective film. Preparation methods provided in the present invention are simple and practical and are suitable for mass production.

Described are admixture composition and method for integrally waterproofing cementitious compositions, such as concrete and mortar, wherein an organosilicon compound (e.g., silane) is mixed with animal oil, vegetable oil, or mixture thereof, and defoaming agent. The organosilicon/oil mixtures of the present invention enhances the water repellent efficacy of the organosilicon, even as it displays inherently greater product stability, as compared to emulsion-based (and thus substantial free-water containing) admixture formulations of the prior art. Cementitious materials made in accordance with the present invention demonstrate excellent air consistency and air neutrality.

Embodiments of a system and a method for manufacturing a cementitious panel can be used to produce a cementitious panel having a multi-layer air/water barrier membrane assembly. The layers of the membrane can be built up via a series of applicator stations applying a fluid composition using roll coating, for example. Between applicator stations the applied layer of fluid composition can be subjected to drying conditions via infrared heating. To help protect from the deleterious effects of infrared heating, the cementitious panel can be conveyed through a cooling tunnel after each drying section.

A method for the preparation of concretes with improved wear resistance. The method involves the use of colloidal silica, which is added to a concrete mixture after mixing, in conjunction with a concrete cutter, which is added to the concrete mixture after the addition of the colloidal silica.

A composition of matter, including a phlogopite powder or muscovite powder, clinoptilolite or mordenite, and kaolinite. The composition of matter is prepared as follows: 1) mixing the phlogopite powder or muscovite powder, the clinoptilolite or mordenite, and the kaolinite in a weight ratio of 50-70:0-30:0-50; adding a solution including isopropanol and n-butanol to a mixture of the phlogopite powder or muscovite powder, the clinoptilolite or mordenite, and the kaolinite, thereby yielding a mixed solution; 2) adding a silane coupling agent to the mixed solution, and continuously magnetically stirring the mixed solution for 30 min; adding distilled water to the mixed solution, and continuously magnetically stirring for 30 min; and adding methyl silicone oil to the mixed solution, and magnetically stirring for an hour, thereby yielding a slurry; and 3) drying the slurry at a temperature of 150-200 C.

This disclosure relates to silicon modified vinyl acetate ethylene copolymers and to emulsions and articles of manufacture based on the same.

The present invention relates to a mixture comprising at least one compound comprising an -hydroxy-carboxylic unit, -hydroxy-sulfonic acid unit or -carbonyl-carboxylic unit and at least one water-soluble organic carbonate. The mixture is useful as a hydration control agent in construction chemical compositions comprising an inorganic binder.

An exterior sheathing cementitious panel which prevents water penetration and air leakage is provided methods for manufacturing exterior sheathing cementitious panels with a highly efficient integrated air/water barrier membrane are provided as well.

Disclosed are methods and solutions for sealing and curing concrete and other cementitious materials using strontium containing, non-alkali, non-silica, chemical solutions. The strontium-based solutions can be placed in admixture with cementitious materials prior to molding and curing to create a final product, or the strontium-based solutions can be applied to newly created or existing cementitious material surfaces to improve the repellent and stain, resistant properties.