阅读说明：本技术 一种添加有硅藻土的保温玻镁板及其制备方法 (Heat-insulating glass magnesium board added with diatomite and preparation method thereof ) 是由 于波 于 2021-07-29 设计创作，主要内容包括：本发明公开了一种添加有硅藻土的保温玻镁板及其制备方法,包括以下原料：氧化镁、氯化镁、硫酸镁、硅藻土、电气石粉、竹纤维、改性剂、偶联剂以及玻纤布,步骤包括：将氧化镁、硫酸镁以及竹纤维混合,将氯化镁与纯水混合后再加入其他原料,得到稠状混合料；成型后的板材,经过养护后,按照尺寸切割、裁边得到玻镁板,本发明涉及玻镁板技术领域,本发明添成本低、操作简单,绿色环保,各组分配比合理,通过添加疏松多孔的硅藻土,降低了玻镁板的平均重量,同时提高了比表面积,因其多孔的特性,可进一步提高玻镁板的隔音保温性,可广泛应用于建筑装饰领域,给人们的使用带来了方便。(The invention discloses a heat-preservation glass magnesium board added with diatomite and a preparation method thereof, wherein the heat-preservation glass magnesium board comprises the following raw materials: magnesium oxide, magnesium chloride, magnesium sulfate, diatomite, tourmaline powder, bamboo fiber, a modifier, a coupling agent and glass fiber cloth, and the method comprises the following steps: mixing magnesium oxide, magnesium sulfate and bamboo fiber, mixing magnesium chloride and pure water, and then adding other raw materials to obtain a thick mixture; the formed board is cured, cut according to the size and cut to obtain the glass magnesium board, and the invention relates to the technical field of glass magnesium boards.)

1. The heat-preservation glass magnesium board added with the diatomite comprises the following raw materials in parts by weight: 80-100 parts of magnesium oxide, 10-15 parts of magnesium chloride, 15-25 parts of magnesium sulfate, 10-20 parts of diatomite, 5-8 parts of tourmaline powder, 3-5 parts of bamboo fiber, 3-5 parts of a modifier, 2-4 parts of a coupling agent and 4-6 parts of glass fiber cloth.

2. The insulating glass magnesium board added with diatomite of claim 1, wherein the coupling agent is any one of a silane coupling agent and an aluminate coupling agent.

3. The thermal insulating glass magnesium board added with diatomite as claimed in claim 1, wherein the modifier is a water-resistant modifier.

4. The preparation method of the heat-preservation glass magnesium board added with the diatomite is characterized by comprising the following steps:

s1, adding magnesium oxide, magnesium sulfate and bamboo fiber into a stirrer for mixing, and forming mixed powder through a ball mill for later use;

s2, mixing magnesium chloride and pure water according to the proportion of 1: 5, mixing in proportion, stirring for the first time, adding the mixed powder formed in the step S1, the diatomite, the tourmaline powder, the modifier and the coupling agent, and stirring for the second time to obtain a thick mixture;

s3, pouring the thick mixture into a mold, laying glass fiber cloth at the bottom of the mold, feeding the mold into a forming machine for forming, and laying a layer of glass fiber cloth at the top of the mold;

and S4, naturally airing the formed board, maintaining, cutting according to the size, and cutting edges to obtain the glass magnesium board.

5. The method for preparing the heat preservation glass magnesium board added with the diatomite as recited in claim 4, wherein the glass magnesium board is ground by a ball mill in step S1 and then passed through a 200-mesh sieve.

6. The method for preparing an insulating glass magnesium board added with diatomite as claimed in claim 4, wherein in the step S2, the primary stirring time is 25-30 min, the primary stirring temperature is 32-38 ℃, the secondary stirring time is 35-40 min, and the secondary stirring temperature is 50-55 ℃.

7. The method for preparing a heat preservation glass magnesium board added with diatomite as claimed in claim 4, wherein in step S3, the forming temperature is 30-35 ℃, the forming pressure is 15-18 MPa, and the forming time is 20-24 h.

8. The method for preparing the heat preservation glass magnesium board added with the diatomite as claimed in claim 4, wherein the curing time in the step 4 is 5-7 days, and the curing temperature is 20-25 ℃.

Technical Field

The invention relates to the technical field of preparation of a glass magnesium board, in particular to a heat-preservation glass magnesium board added with diatomite and a preparation method thereof.

Background

The coating is a continuous film which is coated on the surface of a protected or decorated object and can form firm adhesion with the coated object, and is a viscous liquid which is prepared by taking resin, oil or emulsion as a main material, adding or not adding pigments and fillers, adding corresponding auxiliaries and using an organic solvent or water;

the coatings used for architectural decoration and protection are collectively called architectural coatings, and the functions of the architectural coatings can be summarized into three aspects, namely protection function, decoration function and special function.

Chinese patent CN106700799A discloses an environment-friendly exterior wall elastic anti-cracking coating, which is prepared from the following raw materials in parts by weight: pure acrylic emulsion, titanium dioxide, talcum powder, barium sulfate, aluminum silicate, silicon dioxide, sodium dodecyl sulfate, dimethyl silicone oil, silica sol, an ultraviolet absorbent, a flame retardant and water;

the coating has the characteristics of environmental protection and no toxicity, but only has the characteristics of environmental protection and the like, and can not meet the requirements of the existing building industry, the flame retardance and the crack resistance are poor, the surface of the coating is easy to crack and generate cracks, the attractiveness of the building is influenced, the service life of the building is also influenced, and the use is inconvenient.

Disclosure of Invention

The invention aims to provide a thermal insulation glass magnesium board added with diatomite and a preparation method thereof, and mainly aims to solve the problems of poor water resistance and thermal insulation of the existing glass magnesium board.

The technical scheme of the invention is that the heat-preservation glass magnesium board added with diatomite comprises the following raw materials in parts by weight: 80-100 parts of magnesium oxide, 10-15 parts of magnesium chloride, 15-25 parts of magnesium sulfate, 10-20 parts of diatomite, 5-8 parts of tourmaline powder, 3-5 parts of bamboo fiber, 3-5 parts of a modifier, 2-4 parts of a coupling agent and 4-6 parts of glass fiber cloth.

Preferably, the coupling agent is any one of a silane coupling agent and an aluminate coupling agent.

Preferably, the modifier is a water-resistant modifier.

A preparation method of a heat-preservation glass magnesium board added with diatomite comprises the following steps:

s1, adding magnesium oxide, magnesium sulfate and bamboo fiber into a stirrer for mixing, and forming mixed powder through a ball mill for later use;

s2, mixing magnesium chloride and pure water according to the proportion of 1: 5, mixing in proportion, stirring for the first time, adding the mixed powder formed in the step S1, the diatomite, the tourmaline powder, the modifier and the coupling agent, and stirring for the second time to obtain a thick mixture;

s3, pouring the thick mixture into a mold, laying glass fiber cloth at the bottom of the mold, feeding the mold into a forming machine for forming, and laying a layer of glass fiber cloth at the top of the mold;

and S4, naturally airing the formed board, maintaining, cutting according to the size, and cutting edges to obtain the glass magnesium board.

Preferably, in step S1, the mixture is ground by a ball mill and then sieved by a 200-mesh sieve.

Preferably, in the step S2, the primary stirring time is 25-30 min, the primary stirring temperature is 32-38 ℃, the secondary stirring time is 35-40 min, and the secondary stirring temperature is 50-55 ℃.

Preferably, in the step S3, the molding temperature is 30-35 ℃, the molding pressure is 15-18 MPa, and the molding time is 20-24 h.

Preferably, the curing time in the step 4 is 5-7 days, and the curing temperature is 20-25 ℃.

The invention has the beneficial effects that: the invention has the advantages of low addition cost, simple operation, environmental protection, reasonable component proportion, greatly improved water resistance and low heat conductivity coefficient, thereby improving the heat preservation effect and avoiding the phenomenon of moisture absorption and halogen return of the glass magnesium board.

Detailed Description

The present invention will be further described with reference to the following examples.

Example 1: the heat-preservation glass magnesium board added with the diatomite comprises the following raw materials in parts by weight: 80 parts of magnesium oxide, 10 parts of magnesium chloride, 15 parts of magnesium sulfate, 10 parts of diatomite, 5 parts of tourmaline powder, 3 parts of bamboo fiber, 3 parts of modifier, 2 parts of coupling agent and 4 parts of glass fiber cloth.

The coupling agent is a silane coupling agent.

The modifier is a water-resistant modifier.

A preparation method of a heat-preservation glass magnesium board added with diatomite comprises the following steps:

s1, adding magnesium oxide, magnesium sulfate and bamboo fiber into a stirrer for mixing, forming mixed powder through a ball mill, and sieving through a 200-mesh sieve for later use;

s2, mixing magnesium chloride and pure water according to the proportion of 1: 5, mixing in proportion, and then stirring for the first time, wherein the first stirring time is 25min, the first stirring temperature is 32 ℃, adding the mixed powder formed in the step S1, the diatomite, the tourmaline powder, the modifier and the coupling agent, and stirring for the second time, wherein the second stirring time is 35min, and the second stirring temperature is 50 ℃ to obtain a thick mixture;

s3, pouring the thick mixture into a mold, laying glass fiber cloth at the bottom of the mold, feeding the mold into a forming machine for forming, laying a layer of glass fiber cloth at the top of the mold, wherein the forming temperature is 30 ℃, the forming pressure is 15MPa, and the forming time is 20 hours;

and S4, naturally airing the formed board, maintaining for 5 days at the temperature of 20 ℃ after maintaining, and cutting and trimming according to the size to obtain the glass magnesium board.

Example 2: the heat-preservation glass magnesium board added with the diatomite comprises the following raw materials in parts by weight: 90 parts of magnesium oxide, 12 parts of magnesium chloride, 20 parts of magnesium sulfate, 15 parts of diatomite, 7 parts of tourmaline powder, 4 parts of bamboo fiber, 4 parts of modifier, 3 parts of coupling agent and 5 parts of glass fiber cloth.

The coupling agent is an aluminate coupling agent.

The modifier is a water-resistant modifier.

A preparation method of a heat-preservation glass magnesium board added with diatomite comprises the following steps:

s1, adding magnesium oxide, magnesium sulfate and bamboo fiber into a stirrer for mixing, forming mixed powder through a ball mill, and sieving through a 200-mesh sieve for later use;

s2, mixing magnesium chloride and pure water according to the proportion of 1: 5, mixing in proportion, and then carrying out primary stirring, wherein the primary stirring time is 27min, the primary stirring temperature is 35 ℃, adding the mixed powder formed in the step S1, the diatomite, the tourmaline powder, the modifier and the coupling agent, and carrying out secondary stirring, wherein the secondary stirring time is 37min, and the secondary stirring temperature is 52 ℃ to obtain a thick mixed material;

s3, pouring the thick mixture into a mold, laying glass fiber cloth at the bottom of the mold, feeding the mold into a forming machine for forming, laying a layer of glass fiber cloth at the top of the mold, wherein the forming temperature is 33 ℃, the forming pressure is 17MPa, and the forming time is 22 h;

and S4, naturally airing the formed board, maintaining for 6 days at 22 ℃ after maintaining, and cutting and trimming according to the size to obtain the glass magnesium board.

Example 3: the heat-preservation glass magnesium board added with the diatomite comprises the following raw materials in parts by weight: 100 parts of magnesium oxide, 15 parts of magnesium chloride, 25 parts of magnesium sulfate, 20 parts of diatomite, 8 parts of tourmaline powder, 5 parts of bamboo fiber, 5 parts of modifier, 4 parts of coupling agent and 6 parts of glass fiber cloth.

The coupling agent is any one of silane coupling agent and aluminate coupling agent.

The modifier is a water-resistant modifier.

A preparation method of a heat-preservation glass magnesium board added with diatomite comprises the following steps:

s1, adding magnesium oxide, magnesium sulfate and bamboo fiber into a stirrer for mixing, forming mixed powder through a ball mill, and sieving through a 200-mesh sieve for later use;

s2, mixing magnesium chloride and pure water according to the proportion of 1: 5, mixing in proportion, and then stirring for the first time, wherein the first stirring time is 30min, the first stirring temperature is 38 ℃, adding the mixed powder formed in the step S1, the diatomite, the tourmaline powder, the modifier and the coupling agent, and stirring for the second time, wherein the second stirring time is 40min, and the second stirring temperature is 55 ℃, so as to obtain a thick mixture;

s3, pouring the thick mixture into a mold, laying glass fiber cloth at the bottom of the mold, feeding the mold into a forming machine for forming, laying a layer of glass fiber cloth at the top of the mold, wherein the forming temperature is 35 ℃, the forming pressure is 18MPa, and the forming time is 24 hours;

and S4, naturally airing the formed board, maintaining for 7 days at 25 ℃, and cutting and trimming according to the size to obtain the glass magnesium board.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.