C04B24/2641

Hybrid Coating System

A two-component hybrid coating system which contains both an organic film forming polyacrylate polymer and particles capable of forming a geopolymer is provided. When the two reactive components are combined, a hybrid coating composition is provided containing a film forming organic polyacrylate polymer component and a geopolymer component.

METHODS FOR MAKING POLY(OXYALKYLENE) ACRYLIC POLYMERS AT HIGH SOLIDS AND LOW VISCOSITY
20230227359 · 2023-07-20 ·

The present invention provides methods of making an aqueous composition comprising polymerizing in the presence of one or more initiators at a pH of from 1 to 5 an aqueous monomer mixture of an aqueous medium and one or more acrylic or vinyl macromonomers containing an oxyalkylene chain group in the presence of one or more carboxylic acid group containing fluids chosen from a copolymerizable ethylenically unsaturated carboxylic acid, a polymeric polycarboxylic acid and mixtures thereof, to form a brush polymer-containing oxyalkylene side chain groups, wherein, the polymerizing takes place at a solids content ranging from 8 to 60 wt.%, and, combining one or more aromatic cofactors with the aqueous composition. In addition, the present invention provides aqueous compositions of brush polymers containing oxyalkylene side chain groups having more than one phase domain and a substantially reduced viscosity to enable processing with far less energy input or water waste.

METHODS FOR MAKING POLY(OXYALKYLENE) ACRYLIC POLYMERS AT HIGH SOLIDS AND LOW VISCOSITY
20230227359 · 2023-07-20 ·

The present invention provides methods of making an aqueous composition comprising polymerizing in the presence of one or more initiators at a pH of from 1 to 5 an aqueous monomer mixture of an aqueous medium and one or more acrylic or vinyl macromonomers containing an oxyalkylene chain group in the presence of one or more carboxylic acid group containing fluids chosen from a copolymerizable ethylenically unsaturated carboxylic acid, a polymeric polycarboxylic acid and mixtures thereof, to form a brush polymer-containing oxyalkylene side chain groups, wherein, the polymerizing takes place at a solids content ranging from 8 to 60 wt.%, and, combining one or more aromatic cofactors with the aqueous composition. In addition, the present invention provides aqueous compositions of brush polymers containing oxyalkylene side chain groups having more than one phase domain and a substantially reduced viscosity to enable processing with far less energy input or water waste.

Snap-set, ready-mix joint compound

A joint compound system includes a set-inhibited, pre-wetted, setting-type, ready-mix joint compound and a set initiator. The set-inhibited, pre-wetted, setting-type joint compound includes a ready-mixed, setting-type joint compound base with a calcium-free phosphate set preventing agent that impedes chemical hydration of a gypsum component of the setting-type joint compound. The joint compound base is free of calcium carbonate. The set initiator includes alum to reinitiate the chemical hydration reactions.

Snap-set, ready-mix joint compound

A joint compound system includes a set-inhibited, pre-wetted, setting-type, ready-mix joint compound and a set initiator. The set-inhibited, pre-wetted, setting-type joint compound includes a ready-mixed, setting-type joint compound base with a calcium-free phosphate set preventing agent that impedes chemical hydration of a gypsum component of the setting-type joint compound. The joint compound base is free of calcium carbonate. The set initiator includes alum to reinitiate the chemical hydration reactions.

DOUBLE-LIQUID GROUTING SLURRY, ITS TECHNOLOGY AND APPLICATION FOR SUPER LARGE DIAMETER UNDERWATER SHIELD ENGINEERING UNDER HIGH WATER PRESSURE CONDITION

This invention discloses a double-liquid grouting slurry, its technology and application for super large diameter underwater shield engineering under high water pressure condition. The materials of slurry I are: 35-45 parts of cement clinker; 15-25 parts of slag; 24-35 parts of fly ash; 15-25 parts of steel slag; 5-15 parts of bentonite; 4-10 parts of limestone tailing; 0.3-2.0 parts of water reducing agent; 0.5-2.5 parts of cellulose. The materials of slurry II are: 0.2-3.8 parts of short-cut fiber; 96-99 parts of sodium silicate solution; 0.8-4.8 parts of viscous polymers. This invention generates the double-liquid slurry preparation process including crushing-screening-milling-group mixing-grouped mixing at different speeds, the volume ratio of slurry I and II is 1:1-10:1 during grouting, and the slurry is injected into the shield void through the six-point position technology at the shield tail and 3+2+1 segment splicing synchronous grouting techniques.

Composite cementitious discrete-element feedstock and improved construction method using same
11548821 · 2023-01-10 ·

A composite cementitious feedstock includes mineral rock agglutinates, super absorbent polymer (SAP) particles, cement particles, and a binder. Each of the agglutinates has irregular surface regions and cavities originating at the irregular surface regions. At least a portion of the SAP particles and cement particles are disposed on the irregular surface regions and in the cavities. The binder coheres the agglutinates, SAP particles, and cement particles.

Composite cementitious discrete-element feedstock and improved construction method using same
11548821 · 2023-01-10 ·

A composite cementitious feedstock includes mineral rock agglutinates, super absorbent polymer (SAP) particles, cement particles, and a binder. Each of the agglutinates has irregular surface regions and cavities originating at the irregular surface regions. At least a portion of the SAP particles and cement particles are disposed on the irregular surface regions and in the cavities. The binder coheres the agglutinates, SAP particles, and cement particles.

Halogen-free quaternary amines and uses thereof
11542199 · 2023-01-03 · ·

The present disclosure provides an aqueous composition comprising a quaternary amine compound neutralized with a polycarboxylic acid. The aqueous composition is particularly useful for inerting clay in cement compositions as well as compatibilzing pigments in pigment dispersions.

Halogen-free quaternary amines and uses thereof
11542199 · 2023-01-03 · ·

The present disclosure provides an aqueous composition comprising a quaternary amine compound neutralized with a polycarboxylic acid. The aqueous composition is particularly useful for inerting clay in cement compositions as well as compatibilzing pigments in pigment dispersions.