Light roofing system

Abstract

A light roofing system is formed of a substrate layer and a waterproof surface layer. The waterproof surface layer comprises a functional coating layer made of functional paint and a waterproof layer made of waterproof paint, the functional paint comprises a base material and functional materials, and the functional materials comprise an inorganic flaky material, an inorganic high-rigidity wear-resistant material, and polymer powder with good toughness. The addition amount of the inorganic flaky material accounts for 1% to 8% of the total weight of the functional paint, the addition amount of the inorganic high-rigidity wear-resistant material accounts for 2% to 15% of the total weight of the functional paint, and the addition amount of the polymer powder with good toughness accounts for 1% to 8% of the total weight of the functional paint.

Claims

1. A roofing system, characterized in that it is comprised of a substrate layer and a waterproof surface layer, the waterproof surface layer comprising a functional coating layer made from a functional paint and a waterproof layer made from a waterproof paint, the functional paint comprising a base material and a functional material, the functional material comprising an inorganic flaky material, an inorganic high-rigidity wear-resistant material and a polymer powder with good toughness, the addition amount of the inorganic flaky material accounting for 1% to 8% of the total weight of the functional paint, the addition amount of the inorganic high-rigidity wear-resistant material accounting for 2% to 15% of the total weight of the functional paint, and the addition amount of the polymer powder with good toughness accounting for 1% to 8% of the total weight of the functional paint, wherein the inorganic high-rigidity wear-resistant material is any one or a mixture of two or more of quartz sand, barite, and zirconium oxide, and the polymer powder with good toughness is any one or a mixture of two or more of nylon powder, polytetrafluoroethylene powder, and polyester resin powder.

2. The roofing system according to claim 1, characterized in that the waterproof layer is formed by coating the waterproof paint on the substrate layer.

3. The roofing system according to claim 1, characterized in that the waterproof surface layer further comprises a finish paint layer, which is located on the outmost side of the waterproof surface layer.

4. The roofing system according to claim 1, characterized in that the inorganic flaky material is any one or a mixture of two or more of sericite, glass flake, and micaceous iron oxide.

5. The roofing system according to claim 1, characterized in that the addition amount of the inorganic flaky material accounts for 3% to 5% of the total weight of the paint.

6. The roofing system according to claim 1, characterized in that the addition amount of the inorganic high-rigidity wear-resistant material accounts for 8% to 12% of the total weight of the functional paint.

7. The roofing system according to claim 1, characterized in that the addition amount of the polymer powder accounts for 2% to 6% of the total weight of the functional paint.

8. A roofing system, characterized in that it is comprised of a waterproof substrate layer and a surface layer, the waterproof substrate layer being formed of a self-waterproof material, the surface layer comprising a functional material layer made from a functional paint, the functional paint comprising a base material and a functional material, the functional material comprising an inorganic flaky material, an inorganic high-rigidity wear-resistant material, and a polymer powder with good toughness, the addition amount of the inorganic flaky material accounting for 1% to 8% of the total weight of the functional paint, the addition amount of the inorganic high-rigidity wear-resistant material accounting for 2% to 15% of the total weight of the functional paint, and the addition amount of the polymer powder with good toughness accounting for 1% to 8% of the total weight of the functional paint, wherein the inorganic high-rigidity wear-resistant material is any one or a mixture of two or more of quartz sand, barite, and zirconium oxide, and the polymer powder with good toughness is any one or a mixture of two or more of nylon powder, polytetrafluoroethylene powder, and polyester resin powder.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIG. 1 is a structure diagram of a roofing system in the prior art;

(2) FIG. 2 is a structure diagram of example 1 of the light roofing system of the present invention;

(3) FIG. 3 is a structure diagram of example 2 of the light roofing system of the present invention.

EMBODIMENTS

(4) For those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further illustrated in detail by means of the specific examples as follows.

EXAMPLE 1

(5) Referring to FIG. 2, the light roofing system of this example comprises a substrate layer 1 and a waterproof surface layer 9, wherein the waterproof surface layer 9 comprises a waterproof coating layer made from a waterproof paint and a functional coating layer made from a functional paint, the waterproof coating layer is formed by directly coating the waterproof paint on the substrate layer 1, and the functional coating layer is formed by coating the functional paint on the waterproof coating layer. The substrate layer 1 can be formed of concretes, or metal or polymer materials, or wooden or roof tiles. In the present example, the substrate layer is comprised of non-self-waterproof materials, and the construction method is as follows:

(6) As for a substrate layer comprised of non-self-waterproof materials, the waterproof paint can be coated on the substrate layer twice to form the waterproof coating layer, and then the functional paint is coated on the waterproof coating layer uniformly twice, to form the functional coating layer, and the light roofing system of this example is obtained. The light roofing system as a whole can achieve such effects as waterproofing and thermal-insulation. The more functions and the stronger functionality the paint has, and the thicker the coating is, the better functional effect the roofing system exhibits.

(7) The above mentioned non-self-waterproof material is common concrete or mortar.

(8) Breakage of the light roofing system in the present example appeared after long-term use thereof, and the broken sites could be visually found with naked eyes. After its external surface was cleaned and smoothed, coating in accordance with the above mentioned construction method could achieve the repair. In order to prolong the service life of the roofing, the roofing can also be treated wholly in accordance with this method.

(9) The above mentioned method of producing the functional paint is identical to the traditional method of producing the exterior wall paint, in which a functional material is added in the pulping stage of the paint production, and then the method of producing a conventional paint is carried out, and thus the functional paint used in the present invention is obtained. In the roof of the present invention, the construction method of the reflective thermal-insulating paint is identical to the conventional method. Coating twice during the paint construction, and the coating film thickness of 0.3 mm to 0.5 mm can satisfy the thermal-insulating requirements. Examples 1 to 6 of functional paints used in the present invention are shown in table 1 below. Table 1 also provides the formulation of a reflective thermal-insulating paint in the prior art as a comparative example.

(10) TABLE-US-00001 TABLE 1 (mass %) Example Example Example Example Example Example Comparative Material 1 2 3 4 5 6 Example Water 19 19 19 19 19 19 19 Aids 3 3 3 3 3 3 3 Thermal-insulating 22 22 22 22 22 22 22 functional material Filler 4 2 1 1 5 3 18 Emulsion resin 38 38 38 38 38 38 38 Micaceous iron oxide 5 1 8 Sericite powder 4 2 5 Zirconium oxide 6 15 2 Quartz powder 8 10 2 Polytetrafluoroethylene 3 1 7 powder Polyester resin powder 4 1 8

(11) In the above examples, micaceous iron oxide or sericite powder was selected as the inorganic flaky material, and in other examples, glass flake can also be selected as the inorganic flaky material. In addition, a mixture of any two or three of these materials can be selected as the inorganic flaky material. Other inorganic flaky materials with performances similar to the foregoing three kinds of materials can also be selected.

(12) In the above examples, zirconium oxide or quartz powder was selected as the inorganic high-rigidity wear-resistant material, and in other examples, barite can also be selected as the inorganic high-rigidity wear-resistant material. Alternatively, a mixture of any two or three of these materials was selected as the inorganic high-rigidity wear-resistant material. Other inorganic high-rigidity wear-resistant materials with performances similar to the foregoing three kinds of materials can also be selected.

(13) In the above examples, polytetrafluoroethylene powder or polyester resin powder was selected as the polymer powder with good toughness, and in other examples, nylon powder can also be selected as the polymer powder with good toughness. Alternatively, a mixture of any two or three of these materials can be selected as the inorganic high-rigidity wear-resistant material. Other polymer powder with good toughness with performances similar to the foregoing three materials can also be selected.

(14) The paints prepared in the above examples and comparative example were used for roofing construction, and then comparison of their performances was carried out. The results were shown in table 2 below.

(15) TABLE-US-00002 TABLE 2 Table of performance comparison Example Example Example Example Example Example Comparative Material 1 2 3 4 5 6 Example Appearance eligible eligible eligible eligible eligible eligible eligible Coating property eligible eligible eligible eligible eligible eligible eligible Rigidity high high high low high low low Wear-resistance excellent excellent excellent good excellent good general Scratch resistance excellent excellent good good good good general Stain resistance excellent excellent good excellent good excellent good Weather resistance excellent excellent good excellent good excellent good Thermal-insulating excellent excellent excellent excellent excellent excellent excellent effect

(16) It can be seen from table 2 that, each physical property of the coating film made from the functional paint used in the present invention is superior to that of the paint in the prior art.

EXAMPLE 2

(17) Referring to FIG. 3, the light roofing system in the present example was comprised of a waterproof substrate layer 2 and a surface layer 10, the surface layer 10 being made from a functional paint, the waterproof substrate layer being made from a self-waterproof material, and the formulation and performance of the functional paint being the same as that of example 1 and will not be particularly described here.

(18) The construction method of the light roofing system in the present example was as follows:

(19) After the surface of the waterproof substrate layer was cleaned and smoothed, the functional paint was coated on the surface of the waterproof substrate layer twice, with a coating thickness of 0.3 mm to 0.5 mm.

(20) In order to enhance the waterproof effect of the roof, the waterproof paint can be coated on the waterproof substrate layer twice firstly, and then the functional paint can be coated on the waterproof substrate layer uniformly twice, and the light roofing system in the present example is obtained. The light roofing system as a whole can achieve such effects as waterproofing and thermal-insulation. The more functions and the stronger functionality the paint has, and the thicker the coating is, the better functional effect the light roofing system exhibits.

(21) The above mentioned self-waterproof material is waterproof concrete or waterproof mortar.

(22) In other examples, a finish paint layer can be provided in the surface layer or the waterproof surface layer, that is, a layer of multi-functional finish paint is added on the functional paint layer for protection, and functions to enhance stain resistance, waterproofness and weather resistance of the roofing system.

(23) In the functional paint used in the present invention, based on the actual requirements, other substances can be added to achieve corresponding functions. As a surface layer, the formed functional paint is combined with the substrate layer, forming a light roofing system with more functions.

(24) The invention has been described in detail above. Specific examples are used herein to illustrate the principle and embodiments of the present invention. The explanation of the above examples is only for assisting in understanding the method of the invention and the core idea thereof. It should be noted that, various improvements and modifications can be made by those of ordinary skill in the art without departing from the principle of the present invention, which also fall within the scope of protection defined by the claims.