1. The preparation method of the high polymer kitchen and bathroom board is characterized by comprising the following steps:

(1) mixing the high molecular raw materials in proportion to obtain a mixture;

the polymer raw material comprises the following components in parts by weight:

the relative molecular mass of the polyamide resin is 20000-22000;

(2) carrying out high-temperature microwave heating on the mixture to obtain a glue package in a flour dough shape;

(3) filling the glue package into a kitchen and bathroom customized mould, putting the filled kitchen and bathroom customized mould into a thermal forming machine, and carrying out high-temperature heating forming to prepare a semi-finished product;

(4) and taking out the semi-finished product, cooling, trimming and polishing to obtain a finished product.

2. The method of claim 1, wherein the polyamide resin is nylon 66.

3. The method for producing a polymeric kitchen and bath board according to claim 1, wherein the polyester resin has a relative molecular mass of 10000 to 12000 and a particle size of 150 to 200 mesh.

4. The method of claim 1, wherein the ceramic powder is X7R ceramic powder.

5. The method for preparing polymer kitchen and bath board according to claim 1, wherein the bamboo fiber powder is bamboo pulp fiber powder or bamboo charcoal fiber powder; the filling material is pearl powder, rock or mica powder; the curing agent is aliphatic amine, alicyclic enantiomer, polyamide or polyisocyanate.

6. The method for preparing polymer kitchen and bath board according to claim 1, wherein the polymer raw material comprises the following components in parts by weight:

the relative molecular mass of the polyester resin is 10000-12000.

7. The method for preparing a polymer kitchen and bath board according to claim 1, wherein in the step (2), the high temperature microwave heating is performed at a temperature of 80-110 ℃ for 2-8 hours at a microwave frequency of 800-1000 MHz.

8. The method for preparing a polymer kitchen and bath board according to claim 1, wherein the high temperature heating is performed at a temperature of 150 to 170 ℃ for 350 to 400 seconds.

9. A polymer kitchen and bath board prepared by the preparation method according to any one of claims 1 to 8.

Background

Kitchen and bathroom articles such as a water tank for kitchen, a vegetable basin and a washbasin for bathroom are essential daily necessities for people in daily life.

At present, the manufacturing process of the kitchen and bathroom articles is not made of stainless steel or other plastic materials, but is made by firing the traditional soil materials. For example: the kitchen and bathroom articles are fired at high temperature (more than 1200 ℃) by using the traditional ceramic manufacturing process; the thermoplastic plastics or the resins of phenolic aldehyde, urea-formaldehyde and the like are used for producing kitchen and bathroom products and accessories, and the metal materials of cast iron, stainless steel and the like are used for producing kitchen and bathroom products.

However, the manufacturing process has the disadvantages of complex production process, low productivity, high energy consumption, high pollution, environmental pollution, no recovery and influence on the environment; therefore, improvement is urgently needed.

Disclosure of Invention

The invention provides a high-molecular kitchen and bathroom board and a preparation method thereof.

The specific technical scheme is as follows:

a preparation method of a high polymer kitchen and bathroom plate comprises the following steps:

(1) mixing the high molecular raw materials in proportion to obtain a mixture;

the polymer raw material comprises the following components in parts by weight:

the relative molecular mass of the polyamide resin is 20000-22000;

(2) carrying out high-temperature microwave heating on the mixture to obtain a glue package in a flour dough shape;

(3) filling the glue package into a kitchen and bathroom customized mould, putting the filled kitchen and bathroom customized mould into a thermal forming machine, and carrying out high-temperature heating forming to prepare a semi-finished product;

(4) and taking out the semi-finished product, cooling, trimming and polishing to obtain a finished product.

Preferably, the polyamide resin is nylon 66.

Preferably, the polyester resin has a relative molecular mass of 10000 to 12000 and a particle size of 150 to 200 meshes.

Preferably, the ceramic powder is X7R ceramic powder.

Preferably, the bamboo fiber powder is bamboo pulp fiber powder or bamboo charcoal fiber powder; the filling material is pearl powder, rock or mica powder; the curing agent is aliphatic amine, alicyclic enantiomer, polyamide or polyisocyanate. Preferably, the polymer raw material comprises the following components in parts by weight: nylon 6634-37 parts; 13-20 parts of polyester resin; 13-20 parts of ceramic powder; 12-15 parts of bamboo fiber powder; 3-5 parts of a pigment; 8-10 parts of a filler; 2-5 parts of a curing agent; the relative molecular mass of the polyester resin is 10000-12000, and the particle size is 150-200 meshes.

Preferably, the high-temperature microwave heating is carried out at the temperature of 80-110 ℃ for 2-8 h, and the microwave frequency is 800-1000 MHz. More preferably, the high-temperature microwave heating temperature is 90-100 ℃, the time is 3-6 h, and the microwave frequency is 900-950 MHz.

Preferably, the high-temperature heating forming temperature is 150-170 ℃, and the time is 350-400 s. More preferably, the high-temperature heating forming temperature is 160 ℃ and the time is 380 s.

The invention also provides the high molecular kitchen and bathroom plate prepared by the preparation method.

Compared with the prior art, the invention has the following beneficial effects:

the invention combines polyamide resin, polyester resin and ceramic powder, and the obtained high molecular kitchen and bathroom board has high color fastness grade, good glossiness, strong impact resistance, acid and alkali resistance and water resistance.

Detailed Description

The present invention will be further described with reference to the following specific examples, which are only illustrative of the present invention, but the scope of the present invention is not limited thereto.

The materials and material sources referred to in the following examples are as follows:

polyamide resins (Shijiazhuangyuan Co., Ltd.) of nylon 6, nylon 66 and nylon 1010; wherein the relative molecular weight of nylon 6 is 14000, the particle size is 170 meshes, the relative molecular weight of nylon 66 is 20000, the particle size is 170 meshes, the relative molecular weight of nylon 1010 is 27000, and the particle size is 170 meshes; the polyester resin (Shijiazhuangyuan Co., Ltd.) had a relative molecular weight of 10000 and a particle size of 170 mesh; X7R ceramic powder (shijiazhuang maoxiang mineral products limited); bamboo carbon fiber powder and bamboo pulp fiber powder (west safety ao biotechnology limited); colorants (new middle gray, peacock blue, snow blue, ivory white, etc.) (guangfeng lin new materials science & ltd); pearl powder (Shandong Teng Wang chemical Co., Ltd.), rock (Hongkong boiler stone processing factory in Neiguancounty), mica powder (Baofeng mica processing Co., Ltd. in Lingshu county); aliphatic amines (wuhananabai pharmaceutical chemicals, ltd.), alicyclic hydrocarbons (Shandong' an Qianghua chemicals, ltd.), polyamides (Shijiazhuang Yuan ltd.), polyisocyanates (gallery, Haohen chemicals, ltd.).

Example 1

Preparation of high molecular raw material

Mixing 34 parts of polyamide resin (nylon 66) with the relative molecular weight of 20000 and the particle size of 170 meshes, 20 parts of polyester resin with the relative molecular weight of 10000 and the particle size of 170 meshes, 15 parts of X7R ceramic powder, 12 parts of bamboo carbon fiber powder, 13 parts of new middle gray pigment, 10 parts of pearl powder and 5 parts of fatty amine, and putting the mixture into a container for fully stirring and fusing to obtain a high-molecular mixture.

Preparation of high molecular kitchen and bathroom plate

(1) Putting the high-molecular mixture into a high-frequency machine, and performing high-temperature microwave heating to obtain a flour dough-shaped cementing product; the high-temperature microwave heating temperature is 100 ℃, the time is 6h, and the microwave frequency is 915 MHz.

(2) Filling the adhesive product into a kitchen and bathroom customized mould, putting the filled kitchen and bathroom customized mould into a thermal forming machine, and carrying out high-temperature heating forming to prepare a semi-finished product; the temperature of the high-temperature heating forming is 160 ℃, and the time is 380 s.

(3) And taking out the semi-finished product, cooling, trimming and polishing to obtain a finished product.

Example 2

Preparation of high molecular raw material

37 parts of polyamide resin (nylon 66) with the relative molecular weight of 20000 and the particle size of 170 meshes, 20 parts of polyester resin with the relative molecular weight of 10000 and the particle size of 170 meshes, 13 parts of X7R ceramic powder, 15 parts of bamboo carbon fiber powder, 13 parts of ivory, 10 parts of rock and 5 parts of polyisocyanate are mixed, and are placed into a container to be fully stirred and fused, so that a high-molecular mixture is obtained.

Preparation of high molecular kitchen and bathroom plate

(1) Putting the high-molecular mixture into a high-frequency machine, and performing high-temperature microwave heating to obtain a flour dough-shaped cementing product; the high-temperature microwave heating temperature is 80 ℃, the time is 4h, and the microwave frequency is 915 MHz.

(2) Filling the adhesive product into a kitchen and bathroom customized mould, putting the filled kitchen and bathroom customized mould into a thermal forming machine, and carrying out high-temperature heating forming to prepare a semi-finished product; the temperature of the high-temperature heating forming is 170 ℃, and the time is 350 s.

(3) And taking out the semi-finished product, cooling, trimming and polishing to obtain a finished product.

Example 3

Preparation of high molecular raw material

40 parts of polyamide resin (nylon 66) with the relative molecular weight of 20000 and the particle size of 170 meshes, 13 parts of polyester resin with the relative molecular weight of 10000 and the particle size of 170 meshes, 20 parts of X7R ceramic powder, 15 parts of bamboo pulp fiber powder, 13 parts of malachite blue pigment, 8 parts of mica powder and 2 parts of polyamide are mixed and put into a container for fully stirring and fusing to obtain a high-molecular mixture.

Preparation of high molecular kitchen and bathroom plate

(1) Putting the high-molecular mixture into a high-frequency machine, and performing high-temperature microwave heating to obtain a flour dough-shaped cementing product; the high-temperature microwave heating temperature is 110 ℃, the time is 8h, and the microwave frequency is 915 MHz.

(2) Filling the adhesive product into a kitchen and bathroom customized mould, putting the filled kitchen and bathroom customized mould into a thermal forming machine, and carrying out high-temperature heating forming to prepare a semi-finished product; the temperature of the high-temperature heating forming is 150 ℃, and the time is 400 s.

(3) And taking out the semi-finished product, cooling, trimming and polishing to obtain a finished product.

Comparative example 1

Preparation of high molecular raw material

Mixing 15 parts of X7R ceramic powder, 12 parts of bamboo carbon fiber powder, 13 parts of new medium grey pigment, 10 parts of pearl powder and 5 parts of fatty amine, and putting the mixture into a container for fully stirring and fusing to obtain a high polymer mixture.

Preparation of high molecular kitchen and bathroom plate

(1) Putting the high-molecular mixture into a high-frequency machine, and performing high-temperature microwave heating to obtain a flour dough-shaped cementing product; the high-temperature microwave heating temperature is 100 ℃, the time is 6h, and the microwave frequency is 915 MHz.

(2) Filling the adhesive product into a kitchen and bathroom customized mould, putting the filled kitchen and bathroom customized mould into a thermal forming machine, and carrying out high-temperature heating forming to prepare a semi-finished product; the temperature of the high-temperature heating forming is 160 ℃, and the time is 380 s.

(3) And taking out the semi-finished product, cooling, trimming and polishing to obtain a finished product.

Comparative example 2

Preparation of high molecular raw material

54 parts of polyamide resin (nylon 66) with the relative molecular weight of 20000 and the particle size of 170 meshes, 15 parts of X7R ceramic powder, 12 parts of bamboo carbon fiber powder, 13 parts of new neutral gray pigment, 10 parts of pearl powder and 5 parts of fatty amine are mixed and put into a container to be fully stirred and fused to obtain a high-molecular mixture.

Preparation of high molecular kitchen and bathroom plate

(1) Putting the high-molecular mixture into a high-frequency machine, and performing high-temperature microwave heating to obtain a flour dough-shaped cementing product; the high-temperature microwave heating temperature is 100 ℃, the time is 6h, and the microwave frequency is 915 MHz.

(2) Filling the adhesive product into a kitchen and bathroom customized mould, putting the filled kitchen and bathroom customized mould into a thermal forming machine, and carrying out high-temperature heating forming to prepare a semi-finished product; the temperature of the high-temperature heating forming is 160 ℃, and the time is 380 s.

(3) And taking out the semi-finished product, cooling, trimming and polishing to obtain a finished product.

Comparative example 3

Preparation of high molecular raw material

54 parts of polyester resin with the relative molecular weight of 10000 and the particle size of 170 meshes, 15 parts of X7R ceramic powder, 12 parts of bamboo carbon fiber powder, 13 parts of new middle gray pigment, 10 parts of pearl powder and 5 parts of fatty amine are mixed and put into a container to be fully stirred and fused to obtain a high polymer mixture.

Preparation of high molecular kitchen and bathroom plate

(1) Putting the high-molecular mixture into a high-frequency machine, and performing high-temperature microwave heating to obtain a flour dough-shaped cementing product; the high-temperature microwave heating temperature is 100 ℃, the time is 6h, and the microwave frequency is 915 MHz.

(2) Filling the adhesive product into a kitchen and bathroom customized mould, putting the filled kitchen and bathroom customized mould into a thermal forming machine, and carrying out high-temperature heating forming to prepare a semi-finished product; the temperature of the high-temperature heating forming is 160 ℃, and the time is 380 s.

(3) And taking out the semi-finished product, cooling, trimming and polishing to obtain a finished product.

The experimental results are as follows: the impact resistance of the plate is greatly reduced, and the plate lacking polyamide resin is brittle and has no toughness.

Comparative example 4

Preparation of high molecular raw material

Mixing 34 parts of polyamide resin (nylon 6) with the relative molecular weight of 14000 and the particle size of 170 meshes, 20 parts of polyester resin with the relative molecular weight of 10000 and the particle size of 170 meshes, 15 parts of X7R ceramic powder, 12 parts of bamboo carbon fiber powder, 13 parts of new medium grey pigment, 10 parts of pearl powder and 5 parts of fatty amine, and putting the mixture into a container for fully stirring and fusing to obtain a high-molecular mixture.

Preparation of high molecular kitchen and bathroom plate

(1) Putting the high-molecular mixture into a high-frequency machine, and performing high-temperature microwave heating to obtain a flour dough-shaped cementing product; the high-temperature microwave heating temperature is 100 ℃, the time is 6h, and the microwave frequency is 915 MHz.

(2) Filling the adhesive product into a kitchen and bathroom customized mould, putting the filled kitchen and bathroom customized mould into a thermal forming machine, and carrying out high-temperature heating forming to prepare a semi-finished product; the temperature of the high-temperature heating forming is 160 ℃, and the time is 380 s.

(3) And taking out the semi-finished product, cooling, trimming and polishing to obtain a finished product.

Comparative example 5

Preparation of high molecular raw material

54 parts of 27000 polyamide resin (nylon 1010) with the relative molecular weight of 170 meshes, 20 parts of 10000 polyester resin with the relative molecular weight of 170 meshes, 15 parts of X7R ceramic powder, 12 parts of bamboo carbon fiber powder, 13 parts of new medium grey pigment, 10 parts of pearl powder and 5 parts of fatty amine are mixed and put into a container to be fully stirred and fused, so as to obtain the high-molecular mixture.

Preparation of high molecular kitchen and bathroom plate

(1) Putting the high-molecular mixture into a high-frequency machine, and performing high-temperature microwave heating to obtain a flour dough-shaped cementing product; the high-temperature microwave heating temperature is 100 ℃, the time is 6h, and the microwave frequency is 915 MHz.

(2) Filling the adhesive product into a kitchen and bathroom customized mould, putting the filled kitchen and bathroom customized mould into a thermal forming machine, and carrying out high-temperature heating forming to prepare a semi-finished product; the temperature of the high-temperature heating forming is 160 ℃, and the time is 380 s.

(3) And taking out the semi-finished product, cooling, trimming and polishing to obtain a finished product.

Comparative example 6

Preparation of high molecular raw material

Mixing 34 parts of polyamide resin (nylon 66) with the relative molecular weight of 20000 and the particle size of 170 meshes, 20 parts of polyethylene with the relative molecular weight of 40000 and the particle size of 170 meshes, 15 parts of X7R ceramic powder, 12 parts of bamboo carbon fiber powder, 13 parts of new middle gray pigment, 10 parts of pearl powder and 5 parts of fatty amine, and putting the mixture into a container for fully stirring and fusing to obtain a high-molecular mixture.

Preparation of high molecular kitchen and bathroom plate

(1) Putting the high-molecular mixture into a high-frequency machine, and performing high-temperature microwave heating to obtain a flour dough-shaped cementing product; the high-temperature microwave heating temperature is 100 ℃, the time is 6h, and the microwave frequency is 915 MHz.

(2) Filling the adhesive product into a kitchen and bathroom customized mould, putting the filled kitchen and bathroom customized mould into a thermal forming machine, and carrying out high-temperature heating forming to prepare a semi-finished product; the temperature of the high-temperature heating forming is 160 ℃, and the time is 380 s.

(3) And taking out the semi-finished product, cooling, trimming and polishing to obtain a finished product.

Comparative example 7

Preparation of high molecular raw material

Mixing 34 parts of polyamide resin (nylon 66) with the relative molecular weight of 20000 and the particle size of 170 meshes, 20 parts of phenolic resin with the molecular weight of 10000 and the particle size of 170 meshes, 15 parts of X7R ceramic powder, 12 parts of bamboo carbon fiber powder, 13 parts of new medium grey pigment, 10 parts of pearl powder and 5 parts of fatty amine, and putting the mixture into a container for fully stirring and fusing to obtain a high-molecular mixture.

Preparation of high molecular kitchen and bathroom plate

(1) Putting the high-molecular mixture into a high-frequency machine, and performing high-temperature microwave heating to obtain a flour dough-shaped cementing product; the high-temperature microwave heating temperature is 100 ℃, the time is 6h, and the microwave frequency is 915 MHz.

(2) Filling the adhesive product into a kitchen and bathroom customized mould, putting the filled kitchen and bathroom customized mould into a thermal forming machine, and carrying out high-temperature heating forming to prepare a semi-finished product; the temperature of the high-temperature heating forming is 160 ℃, and the time is 380 s.

(3) And taking out the semi-finished product, cooling, trimming and polishing to obtain a finished product.

The finished products prepared by the above examples and the comparison documents are tested for color degree, impact resistance, infiltration, acid and alkali flushing, and the specific test method is as follows:

(1) color fastness: and observing the color change of the plate after the plate is used for half a year in a simulated practical application occasion, and judging by using a gray grading sample card as an evaluation standard, namely depending on the original shape and the color difference of the faded sample. The wash fastness was rated 5, best on grade 5 and worst on grade 1. And judging the color fastness grade. ()

(2) Impact resistance: a falling ball impact test method is adopted, steel balls with the weight of 500g, 1000g and 1500g are impacted downwards to the plate from the height of 1 m, and whether the plate is intact or not is observed.

(3) Gloss: firstly, putting the bright surface of a plate standard plate on a flat desktop upwards, pressing the central part of the instrument on the standard plate, and adjusting an adjusting knob to enable the reading of the JKGZ-type gloss meter to be 92.3.

(II) calibration: the white ceramic plate is measured by a calibrated instrument, the index is 23.3, and the value of the index is not more than +/-1 gloss unit. The glossiness of the stone is divided into three categories according to the national regulations, and the good glossiness is more than 80GU, generally 70-80GU and the difference is less than 70 GU.

(5) Acid and alkali resistance: soaking the finished products in hydrochloric acid solution and sodium hydroxide alkali solution respectively, measuring the corrosion area after 15 days, and obtaining corresponding data according to the total area of the corrosion area ratio, wherein the data is more than 99.8 percent, and the excellent plate is obtained

(6) Water resistance: and (3) soaking the plate in water for one month to obtain the increased mass of the plate, and obtaining data by using the mass increase amount compared with the mass before soaking, wherein the data is less than one percent, and the plate has good waterproofness.

The test results are shown in table 1.

TABLE 1 Properties of various aspects of the products obtained in the different examples and comparative examples