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A water-proof coating system for reflecting solar radiation and water-borne coatings for forming the white decorative and reflective layer in the coating system

A waterproof coating and water-based coating technology, applied in the direction of reflection/signal coating, coating, transportation and packaging, etc., can solve the problems of long-term reflection of solar radiation, unable to effectively meet the needs of consumers, etc., to achieve strong pollution resistance, Good weather resistance, convenient application effect

Inactive Publication Date: 2014-04-09
CONSTR RES & TECH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The existing products mentioned above cannot simultaneously and effectively reflect solar radiation and prevent water penetration for a long time
Therefore, it cannot effectively meet the needs of consumers

Method used

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  • A water-proof coating system for reflecting solar radiation and water-borne coatings for forming the white decorative and reflective layer in the coating system
  • A water-proof coating system for reflecting solar radiation and water-borne coatings for forming the white decorative and reflective layer in the coating system
  • A water-proof coating system for reflecting solar radiation and water-borne coatings for forming the white decorative and reflective layer in the coating system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0117] The formulation of the water-based paint used to form the white reflective waterproof layer in the coating system is shown in Table 1 below, and the pH value of the water-based paint is 9.5.

[0118] Table 1 Water-based paint 1 used to form a white reflective waterproof layer

[0119]

[0120] The formulation of the waterborne paint used to form the white decorative reflective layer in the coating system is shown in Table 2 below.

[0121] Table 2 Water-based paint 2 used to form a white decorative reflective layer

[0122]

[0123] At a temperature of 39°C and a relative humidity of 25%, the water-based paint 1 was applied at a rate of 1 kg / m 2 The amount of is sprayed onto colored steel plate (coated with polyester), and cured by self-crosslinking under ambient conditions to obtain a white reflective waterproof layer with a dry film thickness of 500 μm; at a temperature of 39°C and a relative humidity of 25 %, water-based paint 2 at 0.56kg / m 2 The amount of i...

Embodiment 2

[0125] The formulation of the water-based paint used to form the white reflective waterproof layer in the coating system is shown in Table 3 below, and the pH value of the water-based paint is 9.5.

[0126] Table 3 Water-based paint 3 used to form a white reflective waterproof layer

[0127]

[0128] The formulation of the waterborne paint used to form the white decorative reflective layer in the coating system is shown in Table 4 below.

[0129] Table 4 Water-based paint 4 used to form a white decorative reflective layer

[0130]

[0131] At a temperature of 23°C and a relative humidity of 50%, the water-based paint 3 was applied at a rate of 0.82kg / m 2The amount of is sprayed onto colored steel plate (coated with polyester), and cured by self-crosslinking under ambient conditions to obtain a white reflective waterproof layer with a dry film thickness of 400 μm; at a temperature of 23°C and a relative humidity of 50 %, water-based paint 4 at 0.28kg / m 2 The amount of ...

Embodiment 3

[0133] The formulation of the waterborne paint used to form the white reflective waterproof layer in the coating system is shown in Table 5 below, and the pH value of the waterborne paint is 9.5.

[0134] Table 5 Water-based paint 5 used to form a white reflective waterproof layer

[0135]

[0136] The formulation of the waterborne paint used to form the white decorative reflective layer in the coating system is shown in Table 2 above.

[0137] At a temperature of 32°C and a relative humidity of 20%, the water-based paint 5 was applied at a rate of 1kg / m 2 The amount of is sprayed onto colored steel plates (coated with polyester), and cured by self-crosslinking under ambient conditions to obtain a white reflective waterproof layer with a dry film thickness of 500 μm; at a temperature of 32°C and a relative humidity of 20 %, water-based paint 2 at 0.56kg / m 2 The amount of is sprayed onto the white reflective waterproof layer, and UV cured under ambient conditions to obtain...

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Abstract

A water-proof coating system for reflecting solar radiation, which comprises optionally a base layer on a substrate and a reinforcing layer on the base layer; a white reflective and water-proof layer on the substrate or on the reinforcing layer; and a white decorative and reflective layer on the white reflective and water-proof layer; wherein the decorative and reflective layer is formed from a water-borne coatings comprising acrylic polymers, white infrared-reflective pigments and UV cross-linking agents. Water-borne coatings for forming the white decorative and reflective layer in the coating system, which comprise acrylic polymers, white infrared-reflective pigments and UV cross-linking agents. Said coating system can reflect solar radiation with high efficiency and effectively prevent water from penetrating through, has strong stain resistance and good weather resistance; has strong adhesion to various substrates. Said water-borne coatings can be applied easily, and are environment friendly.

Description

technical field [0001] The present invention relates to a waterproof coating system for reflecting solar radiation and to an aqueous paint for forming a white decorative reflective layer in said coating system, said aqueous paint comprising an acrylic polymer, a white infrared reflective pigment and a UV interactive joint agent. Background technique [0002] The solar radiation reaching the earth's surface provides the necessary conditions for human existence and daily life, and at the same time it inevitably causes an increase in the temperature inside buildings such as houses, offices, and factories because their outer surfaces absorb heat from the solar radiation. To lower the internal temperature of a building, cooling equipment such as shower equipment, air conditioning equipment, and ventilation equipment are required and consume a lot of energy. [0003] Applying coatings - which are effective at reflecting solar radiation - to the exterior surfaces of buildings such...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/00B32B27/18C09D133/08C09D7/61
CPCC08K3/22C09D133/02C09D5/004C08K2003/2296C08K2003/2241C09D7/1216C09D133/08C09D7/61Y10T428/269Y10T428/31938Y10T428/31815Y10T428/31692Y10T442/60
Inventor Y·佘C·王T·M·汉迪赛德
Owner CONSTR RES & TECH GMBH
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