公开(公告)号：US12172928B2

公开(公告)日：2024-12-24

申请号：US16622095

申请日：2018-06-12

Applicant: GCP Applied Technologies Inc.

Inventor： Dany Vincent ,  Klaus-Alexander Rieder ,  Stephen P. Klaus ,  Damian Thomas

IPC: C04B28/06 ,  B28B1/30 ,  B28B7/38 ,  C04B14/06 ,  C04B14/28 ,  C04B14/30 ,  C04B24/24 ,  B28B11/04 ,  B28B19/00 ,  C04B103/54 ,  C04B111/00

Abstract: A method for manufacturing a concrete article is disclosed. The method comprises coating a mould or formwork with a release agent; spraying a mortar onto the mould or formwork, thereby forming a layer of mortar; casting concrete into the mould or formwork and onto the layer of mortar; and allowing the concrete to hydrate and harden in the mould or formwork, whereby a concrete article having a mortar skin layer is provided. The invention also provides concrete articles made by the described methods, and concrete structures which comprise the concrete articles. Concrete articles having the mortar skins can be made to have a relatively uniform outward appearance, even if the concrete cast behind the mortar skins may be different, in composition or appearance. Pigments or colorants and other expensive admixtures can be used in the mortar skin composition to greater visual effect, since the use of the mortar skin is less in overall volume compared to the concrete articles as a whole.

公开(公告)号：US20250091963A1

公开(公告)日：2025-03-20

申请号：US18965317

申请日：2024-12-02

Applicant: GCP Applied Technologies Inc.

Inventor： Elizabeth Burns ,  David Geary ,  Dany Vincent ,  Huy The BUI

IPC: C04B40/02 ,  C04B24/06 ,  C04B24/24 ,  C04B41/00 ,  C04B41/53 ,  C04B41/72 ,  C04B103/20

Abstract: Disclosed are surface retarder composition and method for etching cementitious materials which achieve a desirable light “acid etch” look without using muriatic (hydrochloric) acid or sand blasting, removing the human health and environmental concerns. Formulations in accordance with embodiments disclosed herein are easier to remove from formwork or molds after demolding than conventional retarder paints. Surface retarders prevent the hydration of cement particles, which allows the uncured layer of paste next to the form to be removed such as by washing with water or other fluids, or by brushing, revealing aggregates. Also disclosed are molded cement and concrete materials or articles exhibiting such light etch.

公开(公告)号：US12187653B2

公开(公告)日：2025-01-07

申请号：US16960532

申请日：2019-01-08

Applicant: GCP Applied Technologies Inc.

Inventor： Elizabeth Burns ,  David Geary ,  Dany Vincent ,  Huy The Bui

IPC: C04B40/02 ,  C04B24/06 ,  C04B24/24 ,  C04B41/00 ,  C04B41/53 ,  C04B41/72 ,  C04B103/20

Abstract: Disclosed are surface retarder composition and method for etching cementitious materials which achieve a desirable light “acid etch” look without using muriatic (hydrochloric) acid or sand blasting, removing the human health and environmental concerns. Formulations in accordance with embodiments disclosed herein are easier to remove from formwork or molds after demolding than conventional retarder paints. Surface retarders prevent the hydration of cement particles, which allows the uncured layer of paste next to the form to be removed such as by washing with water or other fluids, or by brushing, revealing aggregates. Also disclosed are molded cement and concrete materials or articles exhibiting such light etch.

公开(公告)号：US20210188709A1

公开(公告)日：2021-06-24

申请号：US16622095

申请日：2018-06-12

Applicant: GCP Applied Technologies Inc.

Inventor： Dany Vincent ,  Klaus-Alexander Rieder ,  Stephen P. Klaus ,  Damian Thomas

IPC: C04B28/06 ,  C04B14/06 ,  C04B14/28 ,  C04B14/30 ,  C04B24/24

Abstract: A method for manufacturing a concrete article is disclosed. The method comprises coating a mould or formwork with a release agent; spraying a mortar onto the mould or formwork, thereby forming a layer of mortar; casting concrete into the mould or formwork and onto the layer of mortar; and allowing the concrete to hydrate and harden in the mould or formwork, whereby a concrete article having a mortar skin layer is provided. The invention also provides concrete articles made by the described methods, and concrete structures which comprise the concrete articles. Concrete articles having the mortar skins can be made to have a relatively uniform outward appearance, even if the concrete cast behind the mortar skins may be different, in composition or appearance. Pigments or colorants and other expensive admixtures can be used in the mortar skin composition to greater visual effect, since the use of the mortar skin is less in overall volume compared to the concrete articles as a whole.