WO2012006923A1

WO2012006923A1 - Modified inorganic powder composite material and preparation method thereof

Info

Publication number: WO2012006923A1
Application number: PCT/CN2011/076301
Authority: WO
Inventors: 石磊
Original assignee: Shi Lei
Priority date: 2010-07-13
Filing date: 2011-06-24
Publication date: 2012-01-19
Also published as: CN101905962A; CN101905962B

Abstract

A modified inorganic powder composite material and a preparation method thereof are provided. Raw materials comprise 6-30% of cement, 0.5-4% of emulsion powder, 0-3% of acrylic acid polymer latex, 0-3% of pigment and balance of the modified inorganic powder. The modified inorganic powder is at least one of waste construction cement building block powder, waste powder from stone material factory, waste powder from ceramic factory and sandy soil which are modified with rare earth coupling agent, aluminate coupling agent or titanate coupling agent etc. The method comprises steps of mixing the raw materials, adding water and stirring to obtain homogeneous slurry; coating, pouring or extruding the slurry to a mould; curing at room temperature or drying at a temperature of 50-150°C, then demoulding to obtain the composite material. The composite material can be fabricated to construction decoration face material with proper flexibility, plate with low flexibility or cladding material with high flexibility by using various moulds and adjusting the proportion of raw materials. The invention fully utilizes waste construction materials and common materials, and is economical and environment friendly.

Description

Modified inorganic powder composite material and manufacturing method thereof

Technical field

The invention relates to a composite material and a manufacturing method thereof, in particular to a method for manufacturing a modified inorganic powder composite into a building decorative surface material, a leather material and a steel plate.

Background technique

Ceramic tiles, clay bricks and clay plates in architectural decorative surface materials are all inorganic materials sintered at a high temperature of 1000 ° C or higher. They have the advantages of high hardness and impact resistance. However, as a high-rise building and exterior wall thermal insulation decorative surface material, due to its high rigidity, the temperature and humidity shear stress is large, affecting the adhesion stability, and it is self-important, and there is a hidden danger of falling off. On the other hand, these face materials emit a large amount of CO2 and other pollutants during the manufacturing process, which is a typical high energy consumption and high pollution industry.

The current synthetic leather material is mainly PU leather. The use of organic solvent PU has serious environmental pollution problems in the production process. The foaming agent CFCs used to destroy the atmospheric ozone layer seriously threaten the safety of earth creatures.

A composite material consists of two or more materials of different nature, which are macroscopically composed of materials with new properties by physical or chemical means. Various materials complement each other in performance, resulting in synergistic effects, so that the composite material's overall performance is superior to the original composition material to meet various requirements. For example, inorganic/organic composite materials have the advantages of both the durability of inorganic materials and the flexibility of organic materials.

Summary of the invention

It is an object of the present invention to provide a modified inorganic powder composite material and a method of producing the same. Can be used as architectural decorative surface, leather and sheet.

The technical solution adopted by the present invention is:

A modified inorganic powder composite material, the raw materials are: cement 6-30%, latex powder 0.5-4%, acrylic polymer emulsion 10-40%, pigment 0-3%, the balance is modified inorganic powder, The modified inorganic powder is at least one of a waste building cement block powder modified by a surface active coupling agent, a waste powder of a stone factory, a cinder powder, a waste powder of a ceramic factory, and sand.

The modification method of the modified inorganic powder comprises: pulverizing the waste building cement block, the stone factory waste block material or powder material, the coal residue, the ceramic plant waste powder material, the sand soil to obtain the inorganic powder, and then stirring the inorganic powder, stirring At the same time, it is heated to 80-110 ° C, and the surface active coupling agent is added and stirred uniformly to obtain a modified inorganic powder.

The surface active coupling agent is a rare earth coupling agent, an aluminate coupling agent or a titanate coupling agent. The surface active coupling agent is added in an amount of 0.3 to 2% by mass based on the total mass of the inorganic powder.

The method for manufacturing the modified inorganic powder composite material comprises the following steps:

1) mixing the raw materials, adding water of 0 to 30% of the total mass of the raw materials, and stirring uniformly to obtain a slurry;

2) coating, pouring or extruding the slurry on the mold;

3) Curing and demoulding to obtain the product.

Preferably, after the slurry is coated on the mold, the base fabric is attached to the middle or the back of the coating layer, and then solidified and demolded. The base fabric is an alkali-resistant mesh fiberglass cloth, an alkali-resistant nylon mesh cloth or a non-woven fabric.

Preferably, the product is subjected to gamma ray irradiation after demolding, and the dose of the irradiation is preferably 10 to 200 kGy.

The curing method includes curing at room temperature and drying at 50 to 130 °C.

Preferably, the mold has a decorative texture.

The modified inorganic powder composite material of the invention can be made into a flexible and moderate architectural decorative surface material, a plate material or a flexible high leather material through different ratios of molds and raw materials.

The decorative decorative surface material made by the modified inorganic powder of the invention can be thin and light, for example, the density of the modified inorganic powder composite decorative surface material with a thickness of 3 mm is less than 3 kg/m2, and only the traditional ceramic bricks and ceramics are opened, About 1/8 of the clay plate. It is especially safe for exterior wall decoration, especially for high-rise buildings and exterior insulation.

The decorative decorative surface material made by the modified inorganic powder of the invention has the advantages of strong aging resistance of the inorganic material and the flexibility of the organic material, and the aging resistance test can reach 2000 hours or more, and has good flexibility. And tensile strength, can withstand the thermal expansion and contraction changes of other substrates of the external thermal insulation system to the greatest extent, the temperature and humidity shear stress caused by the external thermal insulation system is small, effectively preventing the cracking and leakage of the surface of the external thermal insulation system occur.

The decorative decorative surface material made by the modified inorganic powder of the invention can be made into a ceramic brick, a clay brick, a clay board, a stone, a wood and the like, and the shape is changeable and realistic.

The decorative decorative surface material made by the modified inorganic powder of the invention is convenient to construct, can be directly pasted with cement, and does not need anchor reinforcement.

The decorative decorative surface material made by the modified inorganic powder of the invention is used for interior decoration, no odor emission, no radiation.

The decorative decorative surface material made by the modified inorganic powder of the invention does not need to be sintered at a high temperature of 1000 ° C or higher, consumes less energy, and has less CO 2 emission.

The modified inorganic powder composite material of the invention fully utilizes construction waste, and is economical and environmentally friendly.

The leather material prepared by the modified inorganic powder of the invention has a folding rate of more than 20,000 times, the aging resistance of the leather material is good, and no toxic gas is volatilized.

The plate made of the modified inorganic powder of the invention has certain flexibility, is shockproof, is not easy to break, is fireproof, can be nailed, can be planed, can be sawed, and can be used for partition walls, household boards and the like.

detailed description

2) coating, pouring or extruding the slurry on the mold;

3) Curing and demoulding to obtain the product.

Preferably, the mold has a decorative texture.

The cement used in the present invention is a commercially available cement including white cement and black cement.

The latex powder used in the present invention is a commercially available redispersible type latex powder.

The rare earth coupling agent, the aluminate coupling agent or the titanate coupling agent used in the present invention is a commercially available product.

The pigment used in the present invention is an inorganic pigment using carbon black, chromia yellow, nickel chrome yellow, platinum chrome red, Sudan red, ultramarine blue, lead or cobalt pigment.

The acrylic polymer emulsion used in the present invention is various conventional commercially available acrylic polymer emulsions, including: methyl acrylate polymer emulsion; ethyl acrylate polymer emulsion; butyl acrylate polymer emulsion; Ethylhexyl ester polymer emulsion; synthetic styrene-butadiene emulsion and natural polymer mixed emulsion; acrylate polymer copolymer emulsion; polyethyl acrylate, polybutyl acrylate, methylol acrylamide copolymer; self-linking chain Acrylate copolymer emulsion; anionic, nonionic mixed self-crosslinking acrylate copolymer emulsion; multi-component copolymer emulsion of reactive group-containing acrylate copolymer; composite emulsion system acrylate copolymer; methyl methacrylate, Butyl acrylate, acrylamide terpolymer emulsion; butyl acrylate and acrylonitrile copolymer emulsion; copolymer copolymer emulsion of all acrylate; copolymer polymer compound of acrylic acid and its ester; compound of polyacrylate.

The surface texture texture of the invention is determined by the ratio of the mold and the raw material, and can be made into a decorative decorative surface material with moderate flexibility of split brick, clay board, smooth brick, wood grain, leather grain, cloth surface, stone grain and the like. , and low-flexibility sheet or high-flexibility leather.

It should be pointed out that, if a three-dimensional mold is used, the invention can also be made into sculptures and the like, and has certain advantages of flexibility, transportation, and collision.

The invention will now be further described in conjunction with the examples.

In the following examples, the source of radiation that produces radiation is a 60Co source at a dose rate of 3.9 Gy/s, and the resulting rays are gamma rays.

Example 1

1) The ceramic powder waste powder is dried and pulverized to 50-200 mesh, the pulverized ceramic powder is stirred, heated to 80 ° C while stirring, and the ST produced by Chongqing Jiu Shuo Industry and Trade Co., Ltd. with 0.5% of ceramic powder quality is added. a series of rare earth coupling agents, stirred uniformly, and dried to obtain a modified inorganic powder;

2) 8% of cement, 0.8% of latex powder, 38% of butyl acrylate and acrylonitrile copolymer emulsion, 1% of chrome titanium yellow, and 52.2% of modified inorganic powder, add 5% of total water, stir to obtain uniform slurry. material;

3) The slurry was coated on a mold having a cowhide pattern, and the thickness was 0.5 mm. The nonwoven fabric was bonded to the back surface of the coating layer, dried at 50 ° C, and demolded to obtain a leather material.

Example 2

1) The sand is crushed to 50-200 mesh, the crushed sand is stirred, heated to 85 ° C while stirring, and the aluminate coupling agent produced by Shenzhen Superior Changhao Technology Co., Ltd. with 0.6% sand content is added. Stir well and dry to obtain modified inorganic powder;

2) White cement 6%, latex powder 0.5%, methyl acrylate polymer emulsion 40%, platinum chrome red 2%, modified inorganic powder 51.5% mixed, stirred evenly, to obtain a uniform slurry;

3) The slurry was coated on a mold having sheep stripes, dried at a thickness of 0.7 mm, dried at 65 ° C, and demolded to obtain a leather material.

Example 3

1) The waste building block is crushed to 50-200 mesh, the crushed building block powder is stirred, heated to 89 ° C while stirring, and added to the Tianjin Yongchangsheng Chemical Co., Ltd., which has a 0.7% mass of the building block powder. a rare earth coupling agent, stirred uniformly, and dried to obtain a modified inorganic powder;

2) 10% white cement, 2% latex powder, 30% ethyl acrylate polymer emulsion, 3% nickel chrome yellow, and 55% modified inorganic powder are added, and 10% of the total mass of the water is added, and the mixture is uniformly stirred to obtain a uniform slurry. ;

3) coating the slurry on a mold with wood grain, 4 mm thick, drying at 82 ° C, demoulding;

4) Irradiation after demolding, the irradiation dose is 50 kGy. Get wood grain surface material.

Example 4

1) The cinder is pulverized to 50-500 mesh, the pulverized cinder is stirred, heated to 96 ° C while stirring, and the rare earth coupling agent produced by Hangzhou Jessica Chemical Co., Ltd. with a coal slag powder content of 0.9% is added. HY～041, stirring evenly, drying to obtain modified inorganic powder;

2) Mixing cement 14%, latex powder 1.5%, ethyl acrylate polymer emulsion 25%, modified inorganic powder 59.5%, adding 12% of the total mass of the water to stir, to obtain a uniform slurry;

3) The slurry was coated on a mold having split brick strips, and the thickness was 2 mm, dried at 95 ° C, and demolded to obtain a split brick.

Example 5

1) The waste material containing 50% of the stone material is scraped, 50% of the sand mixture is pulverized to 50-200 mesh, the pulverized mixture is stirred, heated to 100 ° C while stirring, and the mass of the mixture is added to 1% of Nanjing. The titanate coupling agent produced by Shuguang Chemical Group Co., Ltd. is uniformly stirred and dried to obtain a modified inorganic powder;

2) 25% of cement, 2.8% of latex powder, 12% of butyl acrylate and acrylonitrile copolymer emulsion, 60.2% of modified inorganic powder, and 20% of water added to the total mass of the material to obtain a uniform slurry;

3) The slurry was coated on a mold having a ribbed stripe with a thickness of 2.5 mm, and an alkali-resistant nylon mesh cloth was attached to the back surface of the coating layer, and the mold was naturally cured at room temperature to obtain a boullard stone.

Example 6

1) The ceramic plant waste powder containing 40% of the mass fraction, 60% of the waste building cement block mixture is pulverized to 50-500 mesh, the pulverized mixture is stirred, heated to 107 ° C while stirring, and the mass of the mixture is added 1.1. % - the aluminate coupling agent produced by Nanjing Daoning Chemical Co., Ltd., stirred evenly, and dried to obtain a modified inorganic powder;

2) 17% cement, 3% latex powder, 10% methyl acrylate polymer emulsion, 10% ethyl acrylate polymer emulsion, 60% modified inorganic powder, and 15% water added to the total mass of the material to obtain a uniform slurry. ;

3) The slurry was coated on a mold having a clay plate stripe, dried at a thickness of 3 mm, dried at 133 ° C, and demolded.

4) Irradiation after demolding, the irradiation dose is 100 kGy. Get the clay board.

Example 7

1) 55% of the sand with a mass fraction of 45%, 55% of the waste powder mixture of the stone factory is pulverized to 50-500 mesh, the pulverized mixture is stirred, heated to 110 ° C while stirring, and the mixture of 1.2% of the mass of Guangzhou is added. The titanate coupling agent produced by Chemical Co., Ltd. is uniformly stirred and dried to obtain a modified inorganic powder;

2) 27% cement, 3.3% latex powder, 9% methyl acrylate polymer emulsion, 9% butyl acrylate polymer emulsion, 51.7% modified inorganic powder, and 20% water added to the total mass of the material to obtain a uniform slurry. ;

3) The slurry is poured on a mold, and the thickness is 10 mm. After curing at room temperature, the mold is released to obtain a sheet.

Example 8

1) 45% of the waste building block with a mass fraction of 45%, 55% of the waste powder mixture of the ceramics factory is pulverized to 50-500 mesh, the pulverized mixture is stirred, heated to 110 ° C while stirring, and the mass of the mixture is added 1.2%. Rare earth coupling agent produced by Hangzhou Jessica Chemical Co., Ltd. HY～041, stirring evenly, drying to obtain modified inorganic powder;

2) 30% cement, 4% latex powder, 22% acrylic acid 2-ethylhexyl ester polymer emulsion, 44% modified inorganic powder, and 18% water added to the total mass of the material to obtain a uniform slurry;

3) The slurry is poured on a mold, and the thickness is 15 mm. After curing at room temperature, the mold is released to obtain a sheet.

Example 9

1) 50% of the stone material waste with a mass fraction of 50%, 50% of the sand mixture is pulverized to 50-200 mesh, the pulverized mixture is stirred, heated to 100 ° C while stirring, and the mixture is added to the mass of 1.2% of Chongqing for a long time. ST series rare earth coupling agent produced by Shuo Industry and Trade Co., Ltd., stirred evenly and dried to obtain modified inorganic powder;

2) 20% of cement, 1.5% of latex powder, 18% of butyl acrylate and acrylonitrile copolymer emulsion, 60.5% of modified inorganic powder, and 20% of water added to the total mass of the material to obtain a uniform slurry;

3) The slurry is coated on a mold with a stone pattern and has a thickness of 5 mm. The alkali-resistant glass fiber mesh cloth is attached to the back surface of the coating layer, and the mold is naturally cured at room temperature to obtain a stone-like architectural decorative surface material.

The modified inorganic powder composite material of the present invention can be adjusted in thickness according to specific needs, and is generally 0.5 to 20 mm.

Claims

A modified inorganic powder composite material, the raw materials are: cement 6-30%, latex powder 0.5-4%, acrylic polymer emulsion 10-40%, pigment 0-3%, the balance is modified inorganic powder, The modified inorganic powder is at least one of a waste building cement block powder modified by a surface active coupling agent, a waste powder of a stone factory, a cinder powder, a waste powder of a ceramic factory, and sand.
The modified inorganic powder composite material according to claim 1, wherein the modified inorganic powder is modified by: abandoning building cement block, stone factory waste block or powder, cinder, ceramic factory The waste powder and the sand are pulverized to obtain an inorganic powder, and then the inorganic powder is stirred, heated to 80 to 110 ° C while stirring, and the surface active coupling agent is added and stirred uniformly to obtain a modified inorganic powder.
The modified inorganic powder composite according to claim 1 or 2, wherein the surface active coupling agent is a rare earth coupling agent, an aluminate coupling agent or a titanate coupling agent.
The modified inorganic powder composite according to claim 2, wherein the surface active coupling agent is added in an amount of from 0.3 to 2% by mass based on the total mass of the inorganic powder.
A method of producing a modified inorganic powder composite according to claim 1, comprising the steps of:

1) mixing the raw materials, adding water of 0 to 30% of the total mass of the raw materials, and stirring uniformly to obtain a slurry;

2) coating, pouring or extruding the slurry on the mold;

3) Curing and demoulding to obtain the product.
The method for producing a modified inorganic powder composite according to claim 5, wherein after the slurry is applied to the mold, the base fabric is bonded to the middle or the back of the coating layer, and then solidified and demolded to obtain a product. .
The method for producing a modified inorganic powder composite according to claim 6, wherein the base fabric is an alkali-resistant mesh fiberglass cloth, an alkali-resistant nylon mesh cloth or a nonwoven fabric.
The method for producing a modified inorganic powder composite according to claim 5 or 6, wherein the product is irradiated after demolding.
The method of producing a modified inorganic powder composite according to claim 8, wherein the dose of the irradiation is from 10 to 200 kGy.
The method for producing a modified inorganic powder composite according to claim 5 or 6, wherein the curing method comprises curing at room temperature and drying at 50 to 130 °C.