阅读说明：本技术 一种柔性软瓷及其制备方法 (Flexible soft porcelain and preparation method thereof ) 是由 敦春娇 叶华阳 施越 于 2021-09-10 设计创作，主要内容包括：本申请涉及建筑材料的技术领域,公开了一种柔性软瓷及其制备方法。一种柔性软瓷包括10-15份水,0.05-0.1份纤维素醚,0.3-0.5份消泡剂,8-12份高分子乳液,5-10份膨润土,0.5-1份聚硅氧烷季铵盐,0.5-1份氯化铵,20-25份改性土,40-50份天然矿砂,1-5份色粉；其生产工艺为：S1:向10-15份水中加入0.05-0.1份纤维素醚和0.3-0.5份的消泡剂,搅拌均匀,得到混合物A；S2:向混合物A中加入8-12份高分子乳液,5-10份膨润土,0.5-1份聚硅氧烷季铵盐,0.5-1份氯化铵,20-25份改性土,40-50份天然矿砂,1-5份色粉,搅拌均匀,得到混合物B；S3：将混合物B倒入模具中,待混合物B流平后,在60-90℃的温度下烘干,脱模后得到成品柔性软瓷。本申请得到的柔性软瓷薄厚均匀,强度高,耐久性好。(The application relates to the technical field of building materials, and discloses a flexible soft porcelain and a preparation method thereof. A flexible soft porcelain comprises 10-15 parts of water, 0.05-0.1 part of cellulose ether, 0.3-0.5 part of defoaming agent, 8-12 parts of high-molecular emulsion, 5-10 parts of bentonite, 0.5-1 part of polysiloxane quaternary ammonium salt, 0.5-1 part of ammonium chloride, 20-25 parts of modified soil, 40-50 parts of natural ore sand and 1-5 parts of toner; the production process comprises the following steps: s1, adding 0.05-0.1 part of cellulose ether and 0.3-0.5 part of defoaming agent into 10-15 parts of water, and uniformly stirring to obtain a mixture A; s2, adding 8-12 parts of polymer emulsion, 5-10 parts of bentonite, 0.5-1 part of polysiloxane quaternary ammonium salt, 0.5-1 part of ammonium chloride, 20-25 parts of modified soil, 40-50 parts of natural ore sand and 1-5 parts of toner into the mixture A, and uniformly stirring to obtain a mixture B; s3: and pouring the mixture B into a mold, drying at the temperature of 60-90 ℃ after the mixture B is leveled, and demolding to obtain the finished product of the flexible soft porcelain. The flexible soft porcelain obtained by the application has the advantages of uniform thickness, high strength and good durability.)

1. A flexible soft porcelain is characterized in that: comprises 10-15 parts of water, 0.05-0.1 part of cellulose ether, 0.3-0.5 part of defoaming agent, 8-12 parts of high-molecular emulsion, 5-10 parts of bentonite, 0.5-1 part of polysiloxane quaternary ammonium salt, 0.5-1 part of ammonium chloride, 20-25 parts of modified soil, 40-50 parts of natural ore sand and 1-5 parts of toner.

2. The flexible soft porcelain of claim 1, wherein: also comprises 5-7 parts of lead salt.

3. A flexible soft porcelain according to claim 2, characterized in that: the lead salt is tribasic lead sulfate.

4. The flexible soft porcelain of claim 1, wherein: the polymer emulsion is one or more of pure acrylic emulsion, silicone acrylic emulsion and acrylate emulsion.

5. The flexible soft porcelain of claim 1, wherein: the defoaming agent is a polyether defoaming agent.

6. The flexible soft porcelain of claim 1, wherein: the mesh number of the natural ore sand is 100-200 meshes.

7. A method for preparing a flexible soft porcelain according to any one of claims 1 to 6, characterized in that:

the method comprises the following steps:

s1, adding 0.05-0.1 part of cellulose ether into 10-15 parts of water, adding 0.3-0.5 part of defoaming agent, and uniformly stirring to obtain a mixture A;

s2, sequentially adding 8-12 parts of polymer emulsion, 5-10 parts of bentonite, 0.5-1 part of polysiloxane quaternary ammonium salt, 0.5-1 part of ammonium chloride, 20-25 parts of modified soil, 40-50 parts of natural ore sand and 1-5 parts of toner into the mixture A, and uniformly stirring to obtain a mixture B;

s3: and pouring the mixture B into a horizontally placed mould, naturally leveling the mixture B, baking for 3-8h at the temperature of 60-90 ℃, and demoulding to obtain the finished product of the flexible soft porcelain.

8. The method for preparing a flexible soft porcelain according to claim 7, wherein: the depth of the mould is 1-5 mm.

Technical Field

The application relates to the technical field of building materials, in particular to a flexible soft porcelain and a preparation method thereof.

Background

With the improvement of economic level, the development of the building industry is faster, and a plurality of building decoration materials are available in the current building material market, wherein: the dry-hanging stone has beautiful high end, but has heavy self weight, high energy consumption and high cost; the ceramic tile is easy to fall and has poor weather resistance; the stone-like coating has complex construction process and increases the engineering cost. The flexible soft porcelain is a novel building material, has lighter weight, and solves the problem that dry hanging stones and ceramic tiles are heavy and easy to fall off; compared with stone-like paint, the flexible soft porcelain has simple construction process, can effectively shorten the construction period and reduce the cost.

In the existing process of manufacturing the flexible soft porcelain, a large amount of modified soil and natural ore are added as particles such as ore sand and the like, the particles such as the ore sand and the like are mixed with the polymer emulsion added with other additives and then dried to prepare the flexible soft porcelain, and when the particles such as the ore sand and the like are few, the strength of the flexible soft porcelain cannot be achieved and the appearance effect is poor; when particulate matters such as ore sand are more, the emulsion is too viscous and can not completely infiltrate the particulate matters such as ore sand, when the particulate matters such as ore sand are stirred, the particulate matters such as part of ore sand are agglomerated to form pills, the particulate matters such as part of ore sand are loose, and the leveling property is poor when the emulsion is spread in a mold at ordinary times, so that the dried soft porcelain is uneven in thickness, poor in strength and poor in durability.

Disclosure of Invention

In order to improve the defect that when particles such as ore sand are more, the particles such as the ore sand cannot be completely infiltrated due to poor leveling property of the high-molecular emulsion, and the soft porcelain after drying has poor strength, the application provides the flexible soft porcelain and the preparation method thereof.

The application provides a flexible soft porcelain and a preparation method thereof, which adopts the following technical scheme:

in a first aspect, the present application provides a flexible soft porcelain:

a flexible soft porcelain comprises 10-15 parts of water, 0.05-0.1 part of cellulose ether, 0.3-0.5 part of defoaming agent, 8-12 parts of high-molecular emulsion, 5-10 parts of bentonite, 0.5-1 part of polysiloxane quaternary ammonium salt, 0.5-1 part of ammonium chloride, 20-25 parts of modified soil, 40-50 parts of natural ore sand and 1-5 parts of toner.

Through adopting above-mentioned technical scheme, this application has added polysiloxane quaternary ammonium salt in the formula of flexible soft porcelain, natural grit and modified soil's the weight is more simultaneously the polymer emulsion is sticky can't be with particulate matter such as ore sand all infiltration, polysiloxane quaternary ammonium salt can reduce polymer emulsion's surface tension, increase polymer emulsion's levelling nature, make polymer emulsion contact with particulate matter such as more ore sand as far as possible, reduce particulate matter caking such as partly ore sand, particulate matter such as partly ore sand is not soaked the phenomenon in addition.

When polymer emulsion and particulate matter contact such as ore sand, because polysiloxane quaternary ammonium salt has reduced polymer emulsion's surface tension, particulate matter such as ore sand is infiltrated by polymer emulsion fast, make ammonium chloride in the polymer emulsion contact with particulate matter such as ore sand fast, ammonium chloride makes particulate matter such as ore sand among the polymer emulsion suspend dispersion fast, the levelling nature of polymer emulsion has further been increased, make polymer emulsion contact with particulate matter such as whole ore sand as far as possible, further reduce particulate matter caking such as partly ore sand, particulate matter such as partly ore sand is not infiltrated the phenomenon in addition, and then the intensity of flexible soft porcelain has been improved. In addition, the polysiloxane quaternary ammonium salt has a good sterilization effect, reduces the bacterial growth on the surface of the flexible soft porcelain, and prolongs the service life of the flexible soft porcelain.

Optionally, 5-7 parts of lead salt is also included.

By adopting the technical scheme, the lead salt enables the modified soil and the natural ore sand in the high-molecular emulsion to be suspended more stably, so that the leveling property of the high-molecular emulsion is more durable.

Optionally, the lead salt is tribasic lead sulfate.

By adopting the technical scheme, the tribasic lead sulfate is a stabilizer with good performance, has good covering power, and increases the physical sun-screening performance of the flexible soft porcelain, thereby improving the anti-aging performance of the flexible soft porcelain.

Optionally, the polymer emulsion is one or more of a pure acrylic emulsion, a styrene-acrylic emulsion and an acrylate emulsion.

Optionally, the defoamer is a polyether defoamer.

By adopting the technical scheme, the polyether type defoaming agent is a nonionic surfactant, has excellent defoaming and foam inhibiting functions, and is suitable for high-temperature use.

Optionally, the mesh number of the natural ore sand is 100-200 meshes.

In a second aspect, the application provides a method for preparing a flexible soft porcelain:

a preparation method of flexible soft porcelain comprises the following steps:

s1, adding 0.05-0.1 part of cellulose ether into 10-15 parts of water, adding 0.3-0.5 part of defoaming agent, and uniformly stirring to obtain a mixture A;

s2, sequentially adding 8-12 parts of polymer emulsion, 5-10 parts of bentonite, 0.5-1 part of polysiloxane quaternary ammonium salt, 0.5-1 part of ammonium chloride, 20-25 parts of modified soil, 40-50 parts of natural ore sand and 1-5 parts of toner into the mixture A, and uniformly stirring to obtain a mixture B;

s3: and pouring the mixture B into a horizontally placed mould, naturally leveling the mixture B, baking for 3-8h at the temperature of 60-90 ℃, and demoulding to obtain the finished product of the flexible soft porcelain.

Optionally, the mold depth is 1-5 mm.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the application, the polysiloxane quaternary ammonium salt is added in the formula of the flexible soft porcelain, when the natural sand and the modified soil have more parts and the polymer emulsion is sticky and cannot completely infiltrate the particles such as ore sand, the surface tension of the polymer emulsion can be reduced by the polysiloxane quaternary ammonium salt, the leveling property of the polymer emulsion is improved, the polymer emulsion can contact with more particles such as ore sand as far as possible, the agglomeration of a part of particles such as ore sand is reduced, and the other part of particles such as ore sand is not infiltrated;

when polymer emulsion and particulate matter contact such as ore sand, because polysiloxane quaternary ammonium salt has reduced polymer emulsion's surface tension, particulate matter such as ore sand is infiltrated by polymer emulsion fast, make ammonium chloride in the polymer emulsion contact with particulate matter such as ore sand fast, ammonium chloride makes particulate matter such as ore sand among the polymer emulsion suspend dispersion fast, the levelling nature of polymer emulsion has further been increased, make polymer emulsion contact with particulate matter such as whole ore sand as far as possible, further reduce particulate matter caking such as partly ore sand, particulate matter such as partly ore sand is not infiltrated the phenomenon in addition, and then the intensity of flexible soft porcelain has been improved. In addition, the polysiloxane quaternary ammonium salt has a good sterilization effect, reduces the bacterial growth on the surface of the flexible soft porcelain, and prolongs the service life of the flexible soft porcelain;

2. the tribasic lead sulfate is a stabilizer with good performance, has good covering power, and increases the physical sun-screening performance of the flexible soft porcelain, thereby improving the anti-aging performance of the flexible soft porcelain.

Detailed Description

The starting materials used in the examples are all commercially available.

Wherein the polysiloxane quaternary ammonium salt is from Kangye Biotechnology (Dongguan) Co,

cellulose ethers are all from Xin chemical products Co., Ltd, Ming of Henan, defoamers are all from Haian petrochemical plants of Jiangsu province,

the polymer emulsion comes from Yonghe polymer technology of Jiangsu province and has new company,

bentonite is from Jianping Tian Zheng mining Co Ltd,

the modified soil is from Fumeiruixing New environmental protection science and technology Co., Ltd, Dongguan city.

Example 1

A flexible soft porcelain comprises 10Kg of water, 0.05Kg of hydroxypropyl cellulose ether, 0.3Kg of GP-type defoaming agent, 8Kg of pure acrylic emulsion, 5Kg of bentonite, 0.5Kg of polysiloxane quaternary ammonium salt, 0.5Kg of ammonium chloride, 20Kg of modified soil, 40Kg of natural ore sand and 1Kg of titanium dioxide.

The preparation method of the flexible soft porcelain comprises the following steps,

the method comprises the following steps:

s1, adding 0.05Kg of hydroxymethyl cellulose into 10Kg of water, adding 0.3Kg of GP type defoaming agent, and uniformly stirring to obtain a mixture A;

s2, adding 8Kg of pure acrylic emulsion, 5Kg of bentonite, 0.5Kg of polysiloxane quaternary ammonium salt, 5Kg of ammonium chloride, 20Kg of modified soil, 100 meshes of 40Kg of natural ore and 1Kg of titanium dioxide into the mixture A in sequence, and stirring uniformly to obtain a mixture B;

s3: and pouring the mixture B into a horizontally placed mould, naturally leveling the mixture B, baking for 3-8h at the temperature of 60-90 ℃, and demoulding to obtain the finished product of the flexible soft porcelain.

Examples 2 to 10

Based on the embodiment 2, the flexible soft porcelain and the preparation method thereof are characterized in that the raw materials are different in proportion, and the specific raw material proportion is shown in the table 1.

TABLE 1 raw material ratios of examples 1-10

Tensile test refers to a test method for determining the properties of a material under an axial tensile load. Tensile property indexes such as elongation, breaking strength, elastic wood beam, large force and the like can be obtained through a tensile test. The injection molded specimens were made into dumbbell-shaped specimens using a cutter, and the original gauge length of the tensile tester was set to 35mm, and the tensile rate was set to 100 mm/min. The instrument records the tensile strength of the sample in real time.

The antibacterial experiment refers to JC/T897-2014 standard to obtain the antibacterial rate.

The light irradiation experiment refers to GB/T16422.2-1999 standard, and the chalking performance is obtained after 1000h of light irradiation.

TABLE 2 comparison of tensile Strength, Sterilization percentage, and chalking level for examples 1-10

The quality of water is adjusted in the embodiments 1-3, and the less the water is, the greater the tensile strength of the flexible soft porcelain is.

In example 4 of the present application, the type of cellulose ether was changed, and the solubility of methylcellulose was inferior to that of hydroxymethylcellulose, and the tensile strength of the flexible soft porcelain was reduced as compared with example 2.

The quality of the cellulose ether is increased in the embodiments 5-6, and compared with the embodiment 2, the more the cellulose ether is, the more stable the mixed liquid system is, and the greater the tensile strength of the flexible soft porcelain is.

In the application, the types of the defoaming agents are changed in the examples 7-8, and compared with the example 2, the GPES type defoaming agent has better defoaming effect, higher corresponding tensile strength and lower corresponding pulverization grade; the defoaming effect of the GPE type defoaming agent is the second, the corresponding tensile strength effect is medium, and the corresponding pulverization grade is medium; the GP type defoaming agent has poor defoaming effect, poor corresponding tensile strength effect and poor corresponding pulverization grade.

The quality of the defoaming agent is increased in the application examples 9-10, and compared with the example 2, the more the defoaming agent is, the greater the tensile strength of the flexible soft porcelain is, and the pulverization degree is reduced.

Examples 11 to 19

Based on the embodiment 2, the flexible soft porcelain and the preparation method thereof are characterized in that the raw materials are different in proportion, and the specific raw material proportion is shown in a table 3.

TABLE 3 raw material ratios of examples 11-19

Examples 11-19 tensile strength, sterilization rate and chalking degree are shown in Table 4:

TABLE 4 comparison of tensile Strength, Sterilization percentage, and chalking level for examples 11-19

The application examples 11-15 change the kind of polymer emulsion, and compared with example 2, the addition of silicone-acrylic emulsion improves the strength of the flexible soft porcelain, and the addition of acrylate emulsion reduces the strength of the flexible soft porcelain.

The application of examples 16-17 increases the quality of the polymer emulsion, and compared with example 2, the strength of the flexible soft porcelain is slightly reduced by increasing the quality of the polymer emulsion.

The application of the embodiment 18-19 increases the quality of the bentonite, and compared with the embodiment 2, the quality of the bentonite is increased, and the strength of the flexible soft porcelain is increased.

Examples 20 to 23 and comparative examples 1 to 4

Based on the embodiment 2, the flexible soft porcelain and the preparation method thereof are characterized in that the raw materials are different in proportion, and the specific raw material proportion is shown in a table 5.

TABLE 5 raw material ratios of examples 20 to 23 and comparative examples 1 to 4

The tensile strength, sterilization rate and powdering degree of examples 20 to 23 and comparative examples 1 to 4 are shown in Table 6:

TABLE 6 comparison of tensile Strength, Sterilization Rate and chalking level for examples 20-23 and comparative examples 1-4

	Example 20	Example 21	Example 22	Example 23	Comparative example 1	Comparative example 2	Comparative example 3	Comparative example 4
									Tensile strength/MPa	1.9	2	1.9	2.2	1.41	1.65	1.53	1.69
Sterilization rate/%)	87	96	50.56	50.56	45	99	50.49	50.52
									Powdering/grading	1.26	1.28	0.9	0.85	1.22	1.38	1.15	1.31

Compared with the comparative example 1, the polysiloxane quaternary ammonium salt is added in the examples 20 to 21, so that the tensile strength of the flexible soft porcelain is improved, and the sterilization rate of the surface of the flexible soft porcelain is improved;

example 2 and examples 20-21 show that in the range of 5-10Kg of the mass of the quaternary ammonium polysiloxane, the more the quaternary ammonium polysiloxane is added, the greater the tensile strength and sterilization rate of the flexible soft porcelain;

compared with example 21, comparative example 2 shows that when the addition amount of the polysiloxane quaternary ammonium salt exceeds 10Kg, the tensile strength of the flexible soft porcelain becomes small, but the sterilization rate is still increased.

Compared with the comparative example 3, the ammonium chloride is added in the examples 22 to 23, so that particles such as ore sand and the like in the high-molecular emulsion are quickly suspended and dispersed, the leveling property of the emulsion is further improved, and the tensile strength of the flexible soft porcelain is improved;

example 2 and examples 22-23 show that the more ammonium chloride is added, the greater the tensile strength of the flexible soft porcelain, in the range of 5-10Kg of ammonium chloride;

in comparison with example 23, comparative example 4 shows that when the amount of ammonium chloride added exceeds 10Kg, the tensile strength of the flexible soft porcelain becomes small.

Examples 22 to 26

Based on the embodiment 2, the flexible soft porcelain and the preparation method thereof are characterized in that the raw materials are different in proportion, and the specific raw material proportion is shown in a table 7.

TABLE 7 raw material ratios of examples 24-28

Tensile strength, sterilization rate and chalking degree pairs for examples 24-28 are shown in Table 8:

TABLE 8 comparison of tensile Strength, Sterilization percentage, and chalking level for examples 24-28

Compared with the embodiment 2, the lead salt is added in the embodiments 24 to 26, so that the strength of the flexible soft porcelain is improved, and the pulverization degree of the flexible soft porcelain is reduced;

compared with the example 2, the flexible soft porcelain added with the lead sulfate tetrabasic in the example 25 has higher tensile strength and lower pulverization degree;

compared with the example 2, the lead sulfate tribasic is added in the example 24, the tensile strength of the flexible soft porcelain is inferior, and the chalking degree is moderate;

compared with the example 2, the flexible soft porcelain added with the dibasic lead phosphite in the example 26 has lower tensile strength and higher pulverization degree.

Compared with the example 24, the examples 27 to 28 of the present application increase the quality of lead salt, increase the tensile strength of the flexible soft porcelain and reduce the pulverization degree.

Examples 29 to 35

Based on the embodiment 2, the flexible soft porcelain and the preparation method thereof are characterized in that the raw materials are different in proportion, and the specific raw material proportion is shown in a table 9.

TABLE 9 raw material ratios of examples 29 to 35

Tensile strength, sterilization rate and chalking degree of examples 29-35 are shown in Table 10:

TABLE 10 comparison of tensile Strength, Sterilization percentage, and chalking level for examples 29-35

Examples 29-30 increased the quality of the modified clay compared to example 2, the more modified clay, the greater the tensile strength of the flexible soft porcelain.

Examples 31-32 increased the quality of the natural sand compared to example 2, the more natural sand, the greater the tensile strength of the flexible soft porcelain.

Example 33 increased the mesh size of the natural sand compared to example 2, the finer the sand, the greater the tensile strength of the flexible soft porcelain.

Examples 34-35 increased the toner quality compared to example 2, which had little effect on the tensile strength, sterilization rate and chalking level of the flexible soft porcelain.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.