CN109810600B - Green energy-saving interior wall coating - Google Patents
Green energy-saving interior wall coating Download PDFInfo
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- CN109810600B CN109810600B CN201910075064.0A CN201910075064A CN109810600B CN 109810600 B CN109810600 B CN 109810600B CN 201910075064 A CN201910075064 A CN 201910075064A CN 109810600 B CN109810600 B CN 109810600B
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- VUQPJRPDRDVQMN-UHFFFAOYSA-N 1-chlorooctadecane Chemical compound CCCCCCCCCCCCCCCCCCCl VUQPJRPDRDVQMN-UHFFFAOYSA-N 0.000 description 2
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Landscapes
- Paints Or Removers (AREA)
Abstract
The invention relates to the technical field of building materials, and provides a green energy-saving interior wall coating aiming at the problem that interior wall coatings are easy to emit toxic gases, which comprises the following components in parts by weight: 50-60 parts of water; 80-100 parts of silicone-acrylate emulsion; 8-10 parts of color ceramic hollow microspheres; 5-6 parts of nano microporous active silicon; 5-10 parts of melamine; 10-15 parts of octadecanoyl chloride. The nano microporous active silicon is added, so that the adsorption of volatile gas of the interior wall coating is facilitated, and the color ceramic cenospheres have excellent heat preservation, heat insulation and sound insulation effects by adding the color ceramic cenospheres, so that the heat preservation and heat insulation performance of the interior wall is enhanced, the energy consumption of building heating and air conditioning is reduced, the energy consumption is saved, and the improvement of the green environmental protection performance of the interior wall is facilitated.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a green energy-saving interior wall coating.
Background
The interior wall coating is the latex paint for general decoration. The latex paint is an emulsion material and is divided into two categories, namely polyvinyl acetate emulsion and acrylic emulsion, according to different base materials. The emulsion paint uses water as diluent, is a material with convenient construction, safety, water washing resistance and good air permeability, and can be prepared into different colors according to different color matching schemes.
However, the conventional interior wall coating material generally contains a formaldehyde component, formaldehyde is easily volatilized, formaldehyde simultaneously has an irritant odor, and when the content of formaldehyde in air is too high, formaldehyde also easily affects human health, so that gas with the irritant odor is easily emitted after interior wall decoration, and human health is also easily affected, and therefore, there is still room for improvement.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a green energy-saving interior wall coating which has the advantages of environmental protection.
In order to achieve the purpose, the invention provides the following technical scheme:
a green energy-saving interior wall coating comprises the following components in parts by mass:
50-60 parts of water;
80-100 parts of silicone-acrylate emulsion;
8-10 parts of color ceramic hollow microspheres;
5-6 parts of nano microporous active silicon;
5-10 parts of melamine;
10-15 parts of octadecanoyl chloride.
By adopting the technical scheme, the nano-microporous active silicon is added, the interior of nano-microporous active silicon particles is of a honeycomb-shaped and bent lamellar structure, and the interior micropores are extremely developed and have strong adsorption capacity on most volatile organic gases and acidic gases, particularly indoor harmful gases such as formaldehyde, toluene and the like, so that the interior wall coating is not easy to emit gases with pungent odor or gases which are not beneficial to human health, the green environmental protection performance of the interior wall coating is improved, and the interior wall coating is not easy to influence the environment and simultaneously is not easy to influence the human health; by adding the melamine, the melamine has good flame retardance, so that the flame resistance of the interior wall is improved; meanwhile, the amino group on the melamine is easy to react with the acyl chloride group on the octadecanoyl chloride to generate an amide group, the hydrogen bond association capacity and the polarity of the amide group are extremely strong, a hydrogen bond is easy to form between adjacent amide groups, the molecular chain is difficult to rotate due to the nitrogen heterocycle in the melamine and the hydrogen bond structure between molecules, the molecular chain cannot be folded and is in a stretched rigid structure, and the arrangement among the molecular chains is very tight, thereby being beneficial to enhancing the stability and the strength of the molecular structure, leading the molecular chain not to be easy to break, further being beneficial to improving the hardness of the inner wall coating, leading the inner wall coating not to be easy to crack and being beneficial to improving the durability of the inner wall coating, in addition, the octadecanoyl chloride contains long-chain alkyl which is a hydrophobic group, thereby being beneficial to enhancing the waterproof performance of the inner wall coating, leading the inner wall coating not to be easily eroded by water and further being beneficial to improving the durability of the inner wall coating; by adding the silicone-acrylic emulsion, the silicone-acrylic emulsion combines the high temperature resistance, hydrophobicity, low surface energy and low pollution resistance of organic silicon and the high color retention, flexibility and adhesiveness of acrylic resin, so that the high temperature resistance, waterproof performance and compressive strength of the inner wall coating are improved, and the durability of the inner wall coating is improved; by adding the colored ceramic hollow microspheres, the colored ceramic hollow microspheres have excellent heat preservation, heat insulation and sound insulation effects, and also have the advantages of no toxicity, self lubrication, high dispersion and the like, so that the heat preservation performance of the inner wall coating is favorably enhanced, the energy consumption of building heating and air conditioning is reduced, the energy consumption is favorably saved, and the green environmental protection performance of the inner wall coating is favorably improved; the interior of the hollow microspheres is the thin gas, so that the heat insulation performance of the inner wall coating is improved, the instantaneous cold and hot alternate bearing capacity of the inner wall coating is enhanced, the condition that the inner wall coating is easy to crack due to instantaneous cold and hot alternate is reduced, and the durability of the inner wall coating is improved; in addition, the color of the color ceramic hollow microspheres is a ceramic glaze surface, so that the color retention durability of a coating layer of the color ceramic hollow microspheres is very good, other colored pigments are not required to be added, and the use of the colored pigments is favorably reduced, so that the resources are favorably saved, the pollution of the colored pigments to the environment is favorably reduced, and the green environmental protection performance of the interior wall coating is favorably improved.
The invention is further configured to: the paint also comprises the following components in parts by mass:
3-4 parts of fumed silica.
By adopting the technical scheme, the fumed silica is added and is a good thixotropic agent, so that the consistency of the interior wall coating is favorably adjusted, the consistency of the interior wall coating is reduced during stirring, the consistency of the interior wall coating is increased during standing, the interior wall coating is not easy to precipitate during standing, all components in the interior wall coating are conveniently and uniformly dispersed in the coating, the uniformity of the coating is enhanced, and the coating effect of the interior wall coating is favorably improved; meanwhile, when the inner wall coating is coated on the wall body, the coating is not easy to flow due to too small consistency, so that the coating is convenient to paint, the uniformity of the inner wall coating is improved, and the painting appearance effect of the inner wall coating is enhanced.
The invention is further configured to: the paint also comprises the following components in parts by mass:
0.5-1 part of dodecyl alcohol ester.
By adopting the technical scheme, the dodecyl alcohol ester is added, so that the dodecyl alcohol ester can effectively coalesce emulsion particles, and the emulsion is favorable for forming a film, thereby being favorable for improving the painting appearance effect of the inner wall coating; meanwhile, the dodecyl alcohol ester is a strong solvent of the emulsion polymer, is easy to be mixed into the emulsion, and does not influence the stability of the coating at a higher content.
The invention is further configured to: the paint also comprises the following components in parts by mass:
1-2 parts of a mildew preventive.
By adopting the technical scheme, the high polymer material used in the coating contains casein, soybean protein, starch, natural gum, cellulose derivatives, fat and other substances which can be absorbed by mould fungi and are easy to be damaged by the mould fungi, and the addition of the mildew preventive is favorable for inhibiting the growth of the mould fungi, so that the high polymer material is prevented from being corroded by the fungi, and the inner wall coating is favorable for keeping good appearance and physical and mechanical properties.
The invention is further configured to: the mildew preventive is a natural mildew preventive, and the natural mildew preventive comprises one or more of chitosan, allicin and cassia oil.
By adopting the technical scheme, the natural mildew preventive is mostly extracted and refined from animals and plants, and the natural mildew preventive has good biocompatibility and is not easy to pollute the environment in the production and use processes, so that the environment-friendly performance of the interior wall coating is favorably improved.
The invention is further configured to: the paint also comprises the following components in parts by mass:
5-8 parts of talcum powder.
By adopting the technical scheme, the talcum powder is added, and the crystal structure of the talcum powder is layered, so that the talcum powder has the tendency of being split into scales and special lubricating property, so that the talcum powder has excellent physical and chemical properties of lubrication, softness, good gloss and the like, the smoothness of the inner wall coating is improved, and the painting appearance effect of the inner wall coating is enhanced.
The invention is further configured to: the particle size of the talcum powder is 700-800 meshes.
By adopting the technical scheme, the particle size of the talcum powder is 700-800 meshes, so that the talcum powder is favorably and uniformly dispersed in the interior wall coating, the uniform granularity and the enhanced dispersibility of the interior wall coating are facilitated, and the plastering effect of the interior wall coating is favorably improved.
The invention is further configured to: the paint also comprises the following components in parts by mass:
1-2 parts of titanium dioxide.
By adopting the technical scheme, the titanium dioxide is nontoxic and harmless by adding the titanium dioxide, so that the interior wall coating is not easy to pollute the environment, is not easy to influence human health, and is favorable for improving the green environmental protection performance of the interior wall coating.
The invention is further configured to: the paint also comprises the following components in parts by mass:
0.5-1 part of leveling agent.
By adopting the technical scheme, the leveling agent is added, so that the surface tension of the coating is favorably reduced, the leveling property and the uniformity of the coating are improved, the permeability of the coating is favorably improved, the condition that spots and scars are easily generated when the coating is painted is reduced, a flat, smooth and uniform coating film is favorably formed in the drying and film forming process of the coating, and the painting appearance effect of the inner wall is enhanced.
In conclusion, the invention has the following beneficial effects:
1. the nano microporous active silicon is added, so that the volatile gas of the interior wall coating can be favorably adsorbed, the interior wall coating is not easy to emit gas with pungent smell or gas which is not beneficial to human health, the green environmental protection performance of the interior wall coating can be favorably improved, and the interior wall coating is not easy to influence the environment and simultaneously is not easy to influence the human health;
2. the amino on the melamine is easy to react with the acyl chloride on the octadecanoic acid chloride to generate amide groups, hydrogen bonds are easy to form between adjacent amide groups, the nitrogen heterocycles in the melamine and the hydrogen bond structures between molecules enable the molecular chains to be difficult to rotate, the molecular chains cannot be folded and are in a stretched rigid structure, and the arrangement between the molecular chains is very tight, so that the stability and the strength of the molecular structure are favorably enhanced, the molecular chains are not easy to break, the hardness of the inner wall coating is favorably improved, the inner wall coating is not easy to crack, and the durability of the inner wall coating is favorably improved;
3. by adding the silicone-acrylic emulsion, the silicone-acrylic emulsion combines the high temperature resistance, hydrophobicity, low surface energy and low pollution resistance of organic silicon and the high color retention, flexibility and adhesiveness of acrylic resin, so that the high temperature resistance, waterproof performance and compressive strength of the inner wall coating are improved, and the durability of the inner wall coating is improved;
4. by adding the colored ceramic hollow microspheres, the colored ceramic hollow microspheres have excellent heat preservation, heat insulation and sound insulation effects, and also have the advantages of no toxicity, self lubrication, high dispersion and the like, so that the heat preservation performance of the inner wall is favorably enhanced, the energy consumption of building heating and air conditioning is reduced, the energy consumption is favorably saved, and the green environmental protection performance of the inner wall is favorably improved;
5. the interior of the hollow microspheres is the rarefied gas, so that the improvement of the heat insulation performance of the inner wall coating is facilitated, the situation that the inner wall coating is easy to crack due to instantaneous cold and hot alternation is facilitated, the improvement of the durability of the inner wall coating is facilitated, in addition, the color of the colored ceramic hollow microspheres is a ceramic glaze surface, other colored pigments are not required to be added, the reduction of the use of the colored pigments is facilitated, the resource saving is facilitated, meanwhile, the reduction of the pollution of the colored pigments to the environment is facilitated, and the improvement of the green environmental protection performance of the inner wall coating is facilitated.
Detailed Description
The present invention will be described in further detail with reference to examples.
In the following examples, the silicone-acrylic emulsion used was a silicone-acrylic emulsion sold under the brand name AAA by the jinan fei chemical company limited.
In the following examples, the colored ceramic cenospheres were those of Chongqing Arro scientific development Co.
In the following examples, as the nanoporous active silicon, nanoporous active silicon having a particle size of 600 mesh, available from Shijiazhuangmen Hengmi mineral products trading Limited, was used.
In the following examples, the melamine used was 08-grade melamine available from environmental protection technologies, Inc., Yinyuan, Guangzhou.
In the following examples, stearyl chloride from Jinning Hongming Chemicals, Inc. was used as the stearyl chloride.
In the following examples, fumed silica having a stock number of DM10 of Shenzhen Jitian chemical Co., Ltd was used.
In the following examples, the dodecanol ester used was 18-1564 at Yachuan official flagship.
In the following examples, talc powder of Jialiang JL of Jialiang mineral products GmbH, Guangzhou was used.
In the following examples, titanium dioxide of the Shanghai Qipo chemical company Limited with the model number ZR-940 was used.
In the following examples, a BYK333 product number of BYK333 available from Dongguan and various new materials Co.
Example 1
A green energy-saving interior wall coating comprises the following components in parts by mass:
50kg of water; 80kg of silicone-acrylic emulsion; 8kg of color ceramic hollow microspheres; 5kg of nano microporous active silicon; 5kg of melamine; 10kg of octadecanoyl chloride.
The preparation method of the green energy-saving interior wall coating comprises the following steps:
(1) adding 80kg of silicone-acrylic emulsion, 8kg of colored ceramic hollow microspheres, 5kg of nano microporous active silicon, 5kg of melamine and 10kg of octadecanoyl chloride into a 200L stirring kettle at normal temperature, and stirring at the rotating speed of 50 r/min;
(2) adding 50kg of water while stirring;
(3) stirring and mixing evenly to obtain the green energy-saving interior wall coating.
Example 2
A green energy-saving interior wall coating comprises the following components in parts by mass:
55kg of water; 90kg of silicone-acrylic emulsion; 9kg of color ceramic hollow microspheres; 5.5kg of nano microporous active silicon; 7.5kg of melamine; 12.5kg of octadecanoyl chloride.
The preparation method of the green energy-saving interior wall coating comprises the following steps:
(1) adding 90kg of silicone-acrylic emulsion, 9kg of colored ceramic hollow microspheres, 5.5kg of nano microporous active silicon, 7.5kg of melamine and 12.5kg of octadecanoyl chloride into a 200L stirring kettle at normal temperature, and stirring at the rotating speed of 50 r/min;
(2) adding 55kg of water while stirring;
(3) stirring and mixing evenly to obtain the green energy-saving interior wall coating.
Example 3
A green energy-saving interior wall coating comprises the following components in parts by mass:
60kg of water; 100kg of silicone-acrylic emulsion; 10kg of color ceramic hollow microspheres; 6kg of nano microporous active silicon; 10kg of melamine; 15kg of octadecanoyl chloride.
The preparation method of the green energy-saving interior wall coating comprises the following steps:
(1) 100kg of silicone-acrylic emulsion, 10kg of color ceramic hollow microspheres, 6kg of nano microporous active silicon, 10kg of melamine and 15kg of octadecanoyl chloride are added into a 200L stirring kettle at normal temperature, and stirring is carried out at the rotating speed of 50 r/min;
(2) adding 60kg of water while stirring;
(3) stirring and mixing evenly to obtain the green energy-saving interior wall coating.
Example 4
A green energy-saving interior wall coating comprises the following components in parts by mass:
53kg of water; 87kg of silicone-acrylic emulsion; 10kg of color ceramic hollow microspheres; 5kg of nano microporous active silicon; 8kg of melamine; octadecanoyl chloride (11 kg).
The preparation method of the green energy-saving interior wall coating comprises the following steps:
(1) adding 87kg of silicone-acrylic emulsion, 10kg of colored ceramic hollow microspheres, 5kg of nano microporous active silicon, 8kg of melamine and 11kg of octadecanoic acid chloride into a 200L stirring kettle at normal temperature, and stirring at the rotating speed of 50 r/min;
(2) adding 53kg of water while stirring;
(3) stirring and mixing evenly to obtain the green energy-saving interior wall coating.
Example 5
A green energy-saving interior wall coating comprises the following components in parts by mass:
55kg of water; 90kg of silicone-acrylic emulsion; 9kg of color ceramic hollow microspheres; 5.5kg of nano microporous active silicon; 7.5kg of melamine; 12.5kg of octadecanoyl chloride; 3kg of fumed silica; 0.5kg of dodecyl alcohol ester; 1kg of mildew preventive; 5kg of talcum powder; 1kg of titanium dioxide; 0.5kg of leveling agent.
In this example, chitosan of Baihong New Material Co., Ltd, trade name 01, was used as the antimildew agent.
In this example, the particle size of talc was 700 mesh.
The preparation method of the green energy-saving interior wall coating comprises the following steps:
(1) in a 200L stirring kettle, under the condition of normal temperature, 90kg of silicone-acrylic emulsion, 9kg of color ceramic hollow microspheres, 5.5kg of nano microporous active silicon, 7.5kg of melamine, 12.5kg of octadecanoyl chloride, 3kg of fumed silica, 0.5kg of dodecyl alcohol ester, 1kg of mildew preventive, 5kg of talcum powder, 1kg of titanium pigment and 0.5kg of flatting agent are added, and stirring is carried out at the rotating speed of 50 r/min;
(2) adding 55kg of water while stirring;
(3) stirring and mixing evenly to obtain the green energy-saving interior wall coating.
Example 6
A green energy-saving interior wall coating comprises the following components in parts by mass:
55kg of water; 90kg of silicone-acrylic emulsion; 9kg of color ceramic hollow microspheres; 5.5kg of nano microporous active silicon; 7.5kg of melamine; 12.5kg of octadecanoyl chloride; 3.5kg of fumed silica; 0.7kg of dodecyl alcohol ester; 1.5kg of mildew preventive; 7kg of talcum powder; 1.5kg of titanium dioxide; 0.7kg of leveling agent.
In this example, allicin, product number 001 of Jinan Luya Biotech Co., Ltd, was used as the antifungal agent.
In this example, the particle size of talc was 750 mesh.
The preparation method of the green energy-saving interior wall coating comprises the following steps:
(1) in a 200L stirring kettle, under the condition of normal temperature, 90kg of silicone-acrylic emulsion, 9kg of color ceramic hollow microspheres, 5.5kg of nano microporous active silicon, 7.5kg of melamine, 12.5kg of octadecanoyl chloride, 3.5kg of fumed silica, 0.7kg of dodecyl alcohol ester, 1.5kg of mildew preventive, 7kg of talcum powder, 1.5kg of titanium pigment and 0.7kg of flatting agent are added, and stirring is carried out at the rotating speed of 50 r/min;
(2) adding 55kg of water while stirring;
(3) stirring and mixing evenly to obtain the green energy-saving interior wall coating.
Example 7
A green energy-saving interior wall coating comprises the following components in parts by mass:
55kg of water; 90kg of silicone-acrylic emulsion; 9kg of color ceramic hollow microspheres; 5.5kg of nano microporous active silicon; 7.5kg of melamine; 12.5kg of octadecanoyl chloride; 4kg of fumed silica; 1kg of dodecyl alcohol ester; 2kg of mildew preventive; 8kg of talcum powder; 2kg of titanium dioxide; and 1kg of leveling agent.
In this example, cinnamon bark oil from the medical oil refinery of Kangmin Bencao, Jishui, Jiangxi was used as the mildew preventive.
In this example, the particle size of talc was 800 mesh.
The preparation method of the green energy-saving interior wall coating comprises the following steps:
(1) adding 90kg of silicone-acrylic emulsion, 9kg of color ceramic cenospheres, 5.5kg of nano microporous active silicon, 7.5kg of melamine, 12.5kg of octadecanoyl chloride, 4kg of fumed silica, 1kg of dodecyl alcohol ester, 2kg of mildew preventive, 8kg of talcum powder, 2kg of titanium pigment and 1kg of flatting agent into a 200L stirring kettle at normal temperature, and stirring at the rotating speed of 50 r/min;
(2) adding 55kg of water while stirring;
(3) stirring and mixing evenly to obtain the green energy-saving interior wall coating.
Comparative example 1
A green energy-saving interior wall coating comprises the following components in parts by mass:
55kg of water; 90kg of silicone-acrylic emulsion; 9kg of color ceramic hollow microspheres; 7.5kg of melamine.
The preparation method of the green energy-saving interior wall coating comprises the following steps:
(1) adding 90kg of silicone-acrylic emulsion, 9kg of color ceramic hollow microspheres and 7.5kg of melamine into a 200L stirring kettle at normal temperature, and stirring at the rotating speed of 50 r/min;
(2) adding 55kg of water while stirring;
(3) stirring and mixing evenly to obtain the green energy-saving interior wall coating.
Comparative example 2
A green energy-saving interior wall coating comprises the following components in parts by mass:
55kg of water; 90kg of silicone-acrylic emulsion; 9kg of color ceramic hollow microspheres; 5.5kg of nano microporous active silicon; 7.5kg of melamine.
The preparation method of the green energy-saving interior wall coating comprises the following steps:
(1) adding 90kg of silicone-acrylic emulsion, 9kg of color ceramic hollow microspheres, 5.5kg of nano microporous active silicon and 7.5kg of melamine into a 200L stirring kettle at normal temperature, and stirring at the rotating speed of 50 r/min;
(2) adding 55kg of water while stirring;
(3) stirring and mixing evenly to obtain the green energy-saving interior wall coating.
Comparative example 3
A green energy-saving interior wall coating comprises the following components in parts by mass:
55kg of water; 90kg of silicone-acrylic emulsion; 9kg of color ceramic hollow microspheres; 7.5kg of melamine; 12.5kg of octadecanoyl chloride.
The preparation method of the green energy-saving interior wall coating comprises the following steps:
(1) adding 90kg of silicone-acrylic emulsion, 9kg of colored ceramic hollow microspheres, 7.5kg of melamine and 12.5kg of octadecanoyl chloride into a 200L stirring kettle at normal temperature, and stirring at the rotating speed of 50 r/min;
(2) adding 55kg of water while stirring;
(3) stirring and mixing evenly to obtain the green energy-saving interior wall coating.
The test data of each example are shown in Table 1, and the test data of each comparative example are shown in Table 2.
Experiment 1
The VOC content (g/L) of the green energy-saving interior wall coating is detected according to appendix A 'determination of Volatile Organic Compounds (VOC)' in appendix B 'determination of free formaldehyde' in GB18582-2001 'interior finishing materials-interior wall coating harmful substance limits'.
Experiment 2
Treating the test panel according to the regulations of GB/T9271-2008 'standard test panel for color paint and varnish', and detecting the hardness of the green energy-saving interior wall coating according to GB/T6739-2006 'determination of paint film hardness by a pencil method for color paint and varnish'.
Experiment 3
Treating the test panel according to the regulations of GB/T9271-2008 'color paint and varnish standard test panel', and then detecting the hydrophobic rate (%) of the green energy-saving interior wall coating according to GB/T10299-2011 'test method for hydrophobic property of heat-insulating material'.
TABLE 1
TABLE 2
| Comparative example 1 | Comparative example 2 | Comparative example 3 | |
| VOC content | 210 | 87 | 209 |
| Content of Formaldehyde | 0.13 | 0.02 | 0.12 |
| Hardness of | H | H | 2H |
| Hydrophobic rate | 91 | 90 | 95 |
According to the comparison of the data of comparative example 1 and comparative example 2 in table 2, the nano-microporous active silicon is added to the component of comparative example 2 more than the component of comparative example 1, and the VOC content and formaldehyde content of comparative example 2 are much lower than those of comparative example 1, which shows that the addition of the nano-microporous active silicon is beneficial to adsorbing volatile gas and formaldehyde of the green energy-saving interior wall coating, so that the green energy-saving interior wall coating is not easy to emit gas harmful to human bodies, the green environmental protection performance of the green energy-saving interior wall coating is improved, the green energy-saving interior wall coating is not easy to pollute the environment and not easy to damage human bodies, and further the VOC content and formaldehyde content of the green energy-saving interior wall coating are reduced.
According to the comparison of the data of comparative example 1 and comparative example 3 in table 2, the component in comparative example 3 is added with octadecanoyl chloride more than the component in comparative example 1, and the hardness and the hydrophobic property of comparative example 3 are both improved to a certain extent than those of comparative example 1, which indicates that by adding octadecanoyl chloride, the acyl chloride group on the octadecanoyl chloride is easy to react with the amino group on the melamine to generate an amide group, because the polarity and the hydrogen bond association ability of the amide group are both very strong, the hydrogen bond is easy to form between the amide groups between adjacent molecules, the nitrogen heterocycle in the melamine and the hydrogen bond structure between molecules make the molecular chain difficult to rotate, so that the molecular chain cannot be folded to be a stretched rigid structure, the arrangement between the molecular chains is very tight, and the stability of the molecular structure is enhanced, and the hardness of the green energy-saving interior wall coating after film forming is improved, the green energy-saving inner wall coating is not easy to crack when being stressed, and the durability of the inner wall coating is favorably improved; meanwhile, the octadecanoyl chloride contains long-chain alkyl which is a hydrophobic group, so that the hydrophobic rate of the green energy-saving inner wall coating can be improved to a certain extent, the green energy-saving inner wall coating is not easy to be corroded by water, and the durability of the green energy-saving inner wall coating is favorably improved.
As can be seen from a comparison of the data in Table 1 for examples 1-4 with comparative examples 1-3 in Table 2, examples 1-4 added both nanoporous active silicon and octadecanoyl chloride, comparative example 1 added neither nanoporous active silicon nor octadecanoyl chloride, comparative example 2 added only nanoporous active silicon, and comparative example 3 added only octadecanoyl chloride, whereas comparative example 1 had lower performance than examples 1-4, the VOC content and formaldehyde content of comparative example 2 was similar to those of examples 1-4, and the hardness and hydrophobicity of comparative example 2 was similar to those of comparative example 1, while the hardness and hydrophobicity of comparative example 3 was similar to those of examples 1-4, and the VOC content and formaldehyde content of comparative example 3 were similar to those of comparative example 1, indicating that as long as the components contained nanoporous active silicon, the VOC content and the formaldehyde content of the coating are low, and the hardness and the hydrophobic rate of the coating are high as long as the component contains octadecanoyl chloride, which indicates that the main component for reducing the VOC content and the formaldehyde content is nano microporous active silicon, and indicates that the main component for enhancing the hardness of the coating is amide generated by the reaction of octadecanoyl chloride and melamine.
According to the comparison of the data of the embodiments 1 to 7 in the table 1, the fumed silica, the dodecyl alcohol ester, the mildew preventive, the talcum powder, the titanium pigment and the leveling agent are added to the components of the embodiments 5 to 7 compared with the components of the embodiments 1 to 4, and the hardness of the embodiments 5 to 7 is higher than that of the embodiments 1 to 4, which shows that the hardness of the green energy-saving interior wall coating layer can be improved to a certain extent by adding the components, so that the green energy-saving interior wall coating layer is not easy to crack under stress, and the durability of the green energy-saving interior wall coating layer is improved.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. A green energy-saving interior wall coating is characterized in that: the paint comprises the following components in parts by mass:
50-60 parts of water;
80-100 parts of silicone-acrylate emulsion;
8-10 parts of color ceramic hollow microspheres;
5-6 parts of nano microporous active silicon;
5-10 parts of melamine;
10-15 parts of octadecanoyl chloride;
3-4 parts of fumed silica;
0.5-1 part of dodecyl alcohol ester.
2. The green energy-saving interior wall coating material as claimed in claim 1, which is characterized in that: the paint also comprises the following components in parts by mass:
1-2 parts of a mildew preventive.
3. The green energy-saving interior wall coating material as claimed in claim 2, wherein: the mildew preventive is a natural mildew preventive, and the natural mildew preventive comprises one or more of chitosan, allicin and cassia oil.
4. The green energy-saving interior wall coating material as claimed in claim 1, which is characterized in that: the paint also comprises the following components in parts by mass:
5-8 parts of talcum powder.
5. The green energy-saving interior wall coating material as claimed in claim 4, wherein: the particle size of the talcum powder is 700-800 meshes.
6. The green energy-saving interior wall coating material as claimed in claim 1, which is characterized in that: the paint also comprises the following components in parts by mass:
1-2 parts of titanium dioxide.
7. The green energy-saving interior wall coating material as claimed in claim 1, which is characterized in that: the paint also comprises the following components in parts by mass:
0.5-1 part of leveling agent.
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| CN111363419A (en) * | 2020-05-08 | 2020-07-03 | 北京硅宝纳米活性硅材料有限公司 | Multifunctional air purification emulsion paint |
| CN111635659A (en) * | 2020-06-22 | 2020-09-08 | 广东金能建筑节能材料科技有限公司 | Flame-retardant water-resistant sound-insulation coating and preparation method thereof |
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| JP2011072969A (en) * | 2009-10-01 | 2011-04-14 | Kunitake Shimada | Method for coating heat shielding film and heat shield panel on which the heat shielding film is formed |
| CN101948652A (en) * | 2010-09-17 | 2011-01-19 | 中国十七冶集团有限公司 | Water-based interior wall thermal insulation nano coating |
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