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Reflective and textured finish composition and the methods of making and using the same

A composition and texture technology, applied in reflective/signal coatings, coatings, polyurea/polyurethane coatings, etc., can solve the problems of high labor cost and high cost

Active Publication Date: 2021-08-13
SIKA TECH AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in addition to the high cost of raw materials for metal coatings / finishes, the labor costs for applying these known metal coatings / finishes are also very expensive

Method used

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  • Reflective and textured finish composition and the methods of making and using the same
  • Reflective and textured finish composition and the methods of making and using the same
  • Reflective and textured finish composition and the methods of making and using the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0131] The shape of the aggregate particles (in Table 1) using P4 measurement, which is an instrument designed based on the principle of dynamic digital image analysis (DIA), is used to measure the particle size and particle shape of powders and suspensions. The method for this analysis is described in ISO 13322-2, where the true size and shape of the particles are taken into account. The software determines the projected surface of the particles in the digital image.

[0132] The instrument can detect particle size ( figure 2 shows different size definitions, such as width (X c min ), length (X Fe max ) or equivalent area diameter (X area ) can be used to calculate the size distribution.

[0133] Particle shape can also be characterized by parameters such as aspect ratio (b / l), roundness (sphericity) (SPHT), symmetry (Symm), convexity (Conv) and circularity (RDNS). Definitions of the individual parameters are listed in Table 2 and shown in Figures 3a & 3b: Waddell or ...

Embodiment 2

[0141] A reflective textured facing composition was prepared by the following steps: (1) 24.91w% of 4600 was added to the stainless steel vessel and the polymer was mixed using a high shear mixer at approximately 350 RPM. (2) Add 2.75w% of API W30C, 0.18w% of Deefo 2020E, 0.18w% of ActicideCBM2, 0.27w% of propylene glycol to the container under high shear mixing. (3) Pre-weigh 64.11w% glass aggregate, then mix 3.66w% OX123 satin silver colorant for use. (4) Weighing 0.64w% 481FQ and mix it with 2.75w% water and add to the container. Increase the mixing speed to about 450RPM to obtain a homogeneous mixture. (5) Add 0.05w% of Aqua Black and 0.004w% of UB05 Universal Blue to the mixture. (6) 0.26w% Acrysol TM Slowly add ASE60 to the mixture. (7) Slowly add the pre-weighed glass and colorant to the mixture. (8) After obtaining a uniform color of the mixture, add 0.05w% of Supersperse 95 and 0.14w% of Acticide MKW2, and continue mixing at about 350RPM for 5 minutes. The c...

Embodiment 3

[0143] The measurement of the wet density of the finished composition is performed using the ASTM C984 method. The measurement of the viscosity was performed using VISCOMETER manufactured by BROOKFIELD.

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Abstract

The invention relates to a reflective textured finish composition easy to use and with enhanced solar reflectance. This composition comprises an acrylic latex / binder (a), a specific kind of aggregates (c), a rheology modifier and a surface modifier, as well as a pigment (c) to form a textured composition that provides a solar reflectance equals and / or higher than 25%, a beautiful atheistic appearance, improved scrub resistance and water repellency. The aggregate is preferably a glass, and / or a quartz of the materials that have a minimum of 3% particles possessing sphericity (SPHT) equals to and / or less than 0.5, and / or roundness (RDNS) equals to and / or less than 0.29. The reflective textured metallic finish composition can be used at both exterior and interior walls. It can be also used as a grout for kitchen counter top, floor and / or anywhere for decorative purposes. The invention also refers to the methods of preparation and using of this composition as well as to the obtained coatings / structures and to the coated elements. The applications of these wet formulations can be also hardened joints or other hardened products for the construction as well as hardened mass objects. All these hardened products are remarkably highly reflective and easy to obtain without specific prior preparation.

Description

[0001] field of invention [0002] The technical field of the invention relates to structural finishes, in particular for the interior or exterior of buildings or civil engineering structures, such as finishes for external thermal insulation and joints / grouting for construction. [0003] In particular, the present invention relates to a reflective textured, such as satin or metallic finish [preferably "ready-to-use"] synthetic composition, which has both exterior and interior effects on a building or structure. High solar reflectance. More particularly, the present invention relates to the incorporation of unique aggregates in finishing compositions that exhibit desirable physical properties, including solar reflectance, textured appearance, and durability. [0004] The invention also relates to methods of preparing the compositions and wet formulations, and methods of using the compositions by applying them to building or civil engineering surfaces. [0005] The finishes thus...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/33C09D7/40C09D133/00C09D175/04C08K7/04
CPCC09D5/004C09D175/04C09D7/70C08K7/04C09D133/04C08G18/10C08G18/246C08G18/4277C08G18/7621C08G18/0866C08L33/04C08G18/3206C09D5/022C09D5/028
Inventor L·马C·梁P·贡卡洛
Owner SIKA TECH AG