CN110565396A - negative oxygen ion-induced PU fabric and manufacturing method of functional powder and auxiliary agent thereof - Google Patents
negative oxygen ion-induced PU fabric and manufacturing method of functional powder and auxiliary agent thereof Download PDFInfo
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- CN110565396A CN110565396A CN201910862185.XA CN201910862185A CN110565396A CN 110565396 A CN110565396 A CN 110565396A CN 201910862185 A CN201910862185 A CN 201910862185A CN 110565396 A CN110565396 A CN 110565396A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention discloses a PU fabric capable of inducing negative oxygen ions and a manufacturing method of functional powder and an auxiliary agent thereof, wherein the manufacturing method of the negative oxygen ion functional powder comprises the following steps: baking and drying the ion adsorption type rare earth ore, the magnesium-rich fibrous silicate and the hydrous magnesium silicate; extracting the baked and dried magnesium-rich fibrous silicate and the ion-adsorption type rare earth ore by using an acidic extractant, and then baking at a high temperature to remove radioactive elements; heating amorphous silicon dioxide to reduce the content of soluble silicic acid in the amorphous silicon dioxide; the hydrous magnesium silicate, the magnesium-rich fibrous silicate, the ion adsorption type rare earth ore and the silicon dioxide are crushed and uniformly mixed to obtain the negative oxygen ion functional powder. The raw material cost of the negative oxygen ion functional assistant is low, and the produced negative oxygen ion PU fabric can ionize and induce negative oxygen ions into space continuously, the induction amount is 2000-5000 per cubic centimeter, and the PU fabric can improve living space of people and purify air and environment.
Description
Technical Field
The invention relates to the technical field of functional fabrics, in particular to a PU fabric capable of inducing negative oxygen ions and a manufacturing method of functional powder and an auxiliary agent thereof.
background
As the world population grows, the demand for leather has multiplied and a limited number of natural leathers have long been unable to meet the demand. Therefore, the PU fabric replaces abundant natural leather with insufficient resources, and is widely applied to the fields of decoration of bags, clothes, shoes, vehicles, furniture and the like.
However, the main raw material of the PU fabric is polyurethane, which is a material synthesized by a chemical technology, and particularly, toxic isocyanate is used in the synthesis process, so that the PU fabric can emit harmful substances during use, and the health of a human body is affected.
Meanwhile, people pay more and more attention to health. Research shows that the small-particle-size negative oxygen ions known as 'air vitamins' have medical health care effect on human bodies, and mainly can affect the physiological activities of the human bodies through the nervous systems and blood circulation of the human bodies. Wherein: the negative oxygen ions can strengthen the inhibition process of the cerebral cortex of a human and regulate the function of the cerebral cortex, thereby playing the roles of calming, hypnotizing and reducing blood pressure; after the negative oxygen ions enter the respiratory tract of the human body, the smooth muscle of the bronchus is relaxed, and the spasm of the smooth muscle is relieved; the negative oxygen ions enter the blood of human body, so that the sedimentation rate of erythrocyte is slowed, the coagulation time is prolonged, the content of erythrocyte and blood calcium is increased, the content of leucocyte, blood calcium and blood sugar is reduced, and the content of lactic acid in fatigue muscle is reduced. The negative oxygen ions can enhance the oxidation process of human tissues such as kidney, liver, brain, etc., wherein the brain tissue is most sensitive to the negative oxygen ions.
The negative oxygen ions can also strengthen the oxidation process of the brain tissue, so that the brain tissue can obtain more oxygen. Is an effect on the cardiovascular system. According to the observation of the scholars, the negative oxygen ions have the obvious function of expanding blood vessels, can relieve arterial vasospasm and achieve the aim of reducing blood pressure, are also beneficial to improving the cardiac function and myocardial nutrition, and are beneficial to the recovery of patients with hypertension and cardiovascular and cerebrovascular diseases. Is the effect on the blood system. Research proves that the negative oxygen ions have the functions of slowing blood and prolonging blood coagulation time, can increase the oxygen content in the blood and is beneficial to blood oxygen transportation, absorption and utilization.
In view of the fact that negative oxygen ions are beneficial to physical and psychological health of human bodies, research on negative oxygen ion functional fabrics is also receiving more and more attention. For example, chinese invention patent CN 105330893 a discloses a negative oxygen ion powder and a method for preparing slow rebound memory cotton and PU synthetic leather using the same, wherein the method for preparing PU synthetic leather using the negative oxygen ion powder comprises the following steps: the method comprises the steps of taking the napped cloth as a substrate, adding negative oxygen ion powder accounting for 3% -6% of the coating by mass into the coating, uniformly mixing, dipping and coating the substrate with the coating, solidifying and grinding to obtain the PU synthetic leather. The scheme states that the negative oxygen ion powder has high content of negative oxygen ions released by the powder through reasonable proportion of elements such as aluminum, silicon, boron, iron, sodium, potassium and the like, and the radiation intensity of far infrared rays meets the national standard, so that the powder has an excellent health care function. However, this solution has the following drawbacks:
(1) the negative oxygen ion powder is prepared from various chemical raw materials, and has the disadvantages of complex material selection, high radioactivity, high manufacturing cost and complex processing technology;
(2) And corresponding experimental data do not prove the content and the particle size of negative oxygen ions released by the powder, because only the negative oxygen ions with small particle size can easily permeate the blood brain barrier of a human body, and the biological effect of the powder is exerted.
Therefore, the proposal has the defects of high cost and insufficient negative oxygen ion induction amount with small particle size.
In view of the above, there is a need to improve the existing negative oxygen ion PU fabric and the manufacturing method of the functional powder and the auxiliary agent thereof, so as to reduce the manufacturing cost of the negative oxygen ion functional auxiliary agent, increase the induction amount of the negative oxygen ions with small particle size, improve the living space of people, and purify the air and the environment.
disclosure of Invention
the invention aims to solve the technical problems that the conventional negative oxygen ion PU fabric and the function and auxiliary agent thereof have high manufacturing cost and the negative oxygen ion induction quantity of small particle size is insufficient.
in order to solve the technical problems, the technical scheme adopted by the invention is to provide a method for preparing negative oxygen ion functional powder, which comprises the following steps:
Baking and drying the ion adsorption type rare earth ore, the magnesium-rich fibrous silicate and the hydrous magnesium silicate;
extracting the baked and dried magnesium-rich fibrous silicate and the ion-adsorption type rare earth ore by using an acidic extractant, and then baking at a high temperature to remove radioactive elements;
heating amorphous silicon dioxide to reduce the content of soluble silicic acid in the amorphous silicon dioxide;
And crushing and uniformly mixing the hydrous magnesium silicate after baking and drying, the magnesium-rich fibrous silicate after removing radioactive elements, the ion adsorption type rare earth ore and silicon dioxide to obtain the negative oxygen ion functional powder.
In the method, the weight part ratio of the hydrous magnesium silicate, the magnesium-rich fibrous silicate, the ion adsorption type rare earth ore and the silicon dioxide is 3: (3-6):(4-8):(1-2.5).
In the method, the weight part ratio of the hydrous magnesium silicate, the magnesium-rich fibrous silicate, the ion adsorption type rare earth ore and the silicon dioxide is 3: 6: 5: 1.
in the method, the negative oxygen ion functional powder, a neutral water-soluble auxiliary agent and resin are mixed and stirred to be fully mixed into white jelly, and the negative oxygen ion functional auxiliary agent is obtained, wherein the weight part ratio of the negative oxygen ion functional powder to the neutral water-soluble auxiliary agent to the resin is (3-5): (20-30): (80-92).
in the above method, the content of soluble silicic acid in the crystalline silica is 30% or less.
In the method, when the baked and dried magnesium-rich fibrous silicate and ion-adsorption type rare earth ore are extracted by using an acidic extractant, the mass of the acidic extractant is 3-5 times of the sum of the mass of the magnesium-rich fibrous silicate and the mass of the ion-adsorption type rare earth ore, and the concentration of the acidic extractant is 5-15 wt%.
in the above method, the removal rate of the radioactive elements in the magnesium-rich fibrous silicate and the ion-adsorbing rare earth ore after extraction is 80% or more.
the invention also provides a manufacturing method of the PU fabric for inducing negative oxygen ions, which comprises the following steps:
Selecting a wet production line to obtain a PU material;
Fully soaking the PU material in clear water, and performing primary steam drying after soaking;
Soaking the PU material dried by the first steam in a negative oxygen ion setting solution for the second time, and drying by the second steam after the soaking is finished to obtain the PU fabric, wherein the negative oxygen ion setting solution comprises the following components in parts by weight:
Neutral sizing slurry: 100, respectively;
the negative oxygen ion functional assistant prepared by the method comprises the following steps: 3-5;
water-soluble resin stock solution: 10-15 parts of;
dispersing agent: 2-4;
neutral adhesive agent: 3-7;
neutral curing agent: 4-8.
In the above method, after the first steam drying, the PU material has 20% humidity.
In the method, when the second time of steam drying is carried out, the drying temperature is 220 ℃, the drying time is 1 minute, and the grains on the surface of the embossing wheel are printed on the surface of the PU material under the condition that the surface temperature of the hot pressing wheel exceeds 200 ℃.
Compared with the prior art, the scheme provided by the invention has the advantages that the raw material cost of the negative oxygen ion functional auxiliary agent is low, the processing technology is simple, the produced negative oxygen ion PU fabric can ionize and induce negative oxygen ions to the space continuously, the induction amount is 2000-5000 per cubic centimeter, the living space of people can be improved, and the air and the environment can be purified.
Drawings
FIG. 1 is a flow chart of a method for preparing the negative oxygen ion functional additive of the present invention;
FIG. 2 is a flow chart of a manufacturing method of the negative oxygen ion-induced PU fabric of the invention.
Detailed Description
the invention provides a PU fabric capable of inducing negative oxygen ions and a manufacturing method of functional powder and an auxiliary agent thereof. The invention is described in detail below with reference to the drawings and the detailed description.
In order to make the technical solution and implementation of the present invention more clearly explained and illustrated, several preferred embodiments for implementing the technical solution of the present invention are described below. It should be understood that the specific embodiments described below are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The negative oxygen ion functional assistant is a prerequisite condition for producing the negative oxygen ion PU fabric, and the quality of the negative oxygen ion functional assistant determines whether the PU fabric can meet the national detection test of the negative oxygen ion PU fabric, particularly the monitoring requirement on radiation measurement.
The preparation method of the negative oxygen ion functional powder and the auxiliary agent, as shown in figure 1, comprises the following steps:
step 110: the ion adsorption type rare earth ore, magnesium-rich fibrous silicate (such as sepiolite) and hydrous magnesium silicate (such as talc) are subjected to baking and drying treatment.
the specific method comprises the following steps: the three raw materials are put into a drying furnace or a drying machine for baking and drying treatment, the baking temperature is 60 ℃, the baking time is not less than 24 hours, and the three raw materials are completely dried.
step 120: and (3) extracting the baked and dried magnesium-rich fibrous silicate and the ion adsorption type rare earth ore by using an acidic extractant, and then baking at a high temperature to remove radioactive elements such as radium, thorium, potassium and the like.
the specific method comprises the following steps: extracting the magnesium-rich fibrous silicate and the ion-adsorption type rare earth ore obtained in the step 110 by using a medium-strong acid extracting agent (dissociation constant (Ka is approximately 10)), wherein the mass of the used acid extracting agent is 3-5 times of the sum of the mass of the magnesium-rich fibrous silicate and the mass of the ion-adsorption type rare earth ore, the concentration of acid is 5-15 wt% (Weight percent), the extraction time is not less than 5 hours, so that the magnesium-rich fibrous silicate and the ion-adsorption type rare earth ore are dispersed into particles in the solution, after other impurities are precipitated, the pure magnesium-rich fibrous silicate and the ion-adsorption type rare earth ore are taken out, and are roasted at high temperature of not less than 180 ℃ for not less than 24 hours to form grey white.
by the extraction treatment, the removal rate of radium, thorium, potassium and other radioactive elements can reach more than 80%.
step 130: the amorphous silicon dioxide is heated to reduce the content of soluble silicic acid in the silicon dioxide.
The specific method comprises the following steps: the amorphous silicon dioxide is heated to 300 ℃ or 350 ℃, for example, the silicon dioxide has the advantages of neutral pH value, no toxicity, good suspension property, strong adsorption property and the like, and simultaneously has good comprehensiveness to the radioactive rays of alpha rays, and the half-life period of the silicon dioxide is increased by 45%.
step 140: and crushing and uniformly mixing the hydrous magnesium silicate after baking and drying, the magnesium-rich fibrous silicate after removing radioactive elements, the ion adsorption type rare earth ore and silicon dioxide to obtain the negative oxygen ion functional powder. The granularity of the negative oxygen ion functional powder is not less than 1500 meshes.
wherein, in the preferred embodiment, the weight ratio of the hydrous magnesium silicate, the magnesium-rich fibrous silicate, the ion adsorption type rare earth ore and the silicon dioxide is 3 (3-6): (4-8): 1-2.5).
the following are typical embodiments:
example 1.
Magnesium silicate hydrate, 3;
Magnesium-rich fibrous silicate, 5.5;
Ion-adsorbing type rare earth ore, 4;
Silica, 2.5.
example 2.
Magnesium silicate hydrate, 3;
magnesium-rich fibrous silicate, 3;
ion-adsorbing type rare earth ore, 8;
Silica, 1.
Example 3.
magnesium silicate hydrate, 3;
magnesium-rich fibrous silicate, 3.5;
ion-adsorbing type rare earth ore, 7;
silica, 1.5.
Example 4.
Magnesium silicate hydrate, 3;
magnesium-rich fibrous silicate, 4;
ion-adsorbing type rare earth ore, 6;
silicon dioxide, 2.
example 5.
Magnesium silicate hydrate, 3;
magnesium-rich fibrous silicate, 6;
Ion-adsorbing type rare earth ore, 5;
silica, 1.
Preferably, step 150: mixing the negative oxygen ion functional powder, the neutral water-soluble auxiliary agent and the resin, and stirring to fully mix the three into white jelly to obtain the negative oxygen ion functional auxiliary agent.
in the step, the stirring time is not less than 1 hour, the stirring speed is 800 rpm, and no precipitate is qualified after standing for 24 hours.
the weight part ratio of the negative oxygen ion functional powder to the neutral water-soluble auxiliary agent to the resin is (3-5): (20-30): (80-92).
The following are typical embodiments:
Example 1.
negative oxygen ion functional powder, 5;
A neutral water-soluble adjuvant, 30;
And 80 parts of resin.
Example 2.
Negative oxygen ion functional powder, 5;
A neutral water-soluble adjuvant, 30;
And 80 parts of resin.
example 3.
Negative oxygen ion functional powder, 4;
a neutral water-soluble adjuvant, 26;
Resin, 85.
example 4.
negative oxygen ion functional powder, 4;
neutral water-soluble adjuvant, 28;
And 83 parts of resin.
example 5.
Negative oxygen ion functional powder, 3;
Neutral water-soluble adjuvant, 20;
resin, 92.
Example 6.
negative oxygen ion functional powder, 5;
A neutral water-soluble adjuvant, 22;
And 88 of resin.
in the scheme, the ion adsorption type rare earth ore is also called weathering crust residual type rare earth ore, clay mineral is formed by weathering granite or volcanic rock containing rare earth for many years, and dissociated rare earth ions are adsorbed on the clay mineral by hydrated ions or hydroxyl hydrated ions. The ore is mostly in hilly areas and is loose sand clay with white, gray, red and yellow colors. The density is 2.0 to 2.5g/cm3. 80-90% of rare earth elements in the ore are adsorbed on clay minerals such as kaolin, halloysite, hydromica and the like in an ionic state; the rare earth cations adsorbed on the clay minerals are insoluble in water or ethanol, but can be ion exchanged and enter the solution in a strong electrolyte solution and have a reversible reaction. Mainly distributed in Jiangxi, Guangdong, Hunan, Guangxi, Fujian, etc. areas of China.
the ion-adsorption type rare earth ore contains rare earth elements, and the rare earth elements have high energy and can induce air negative ions when contacting with air. In addition, the composite salt in the rare earth also has the function of ionizing molecules in the air, so that the concentration of negative ions in the air is increased. However, the rare earth elements also have strong radioactivity, which can cause certain damage to human body. Therefore, in the prior art, tourmaline and the like are added with a small amount of rare earth for composite modification, but the problem of radioactive radiation superscript cannot be effectively solved all the time.
in this application, through adopting the medium-strong acid extractant to extract ion adsorption type rare earth ore, make the clearance of penetrating nature element reach more than 80%, therefore, this application scheme can directly utilize tombarthite to induce negative oxygen ion, need not reuse other raw materials such as tourmaline, has reduced the lectotype and the quantity of raw materials, has simplified production technology, the cost is reduced.
The invention also provides a manufacturing method of the PU fabric capable of inducing negative oxygen ions, which is characterized by comprising the following steps:
Step 210: and selecting a wet production line to obtain the PU material.
the specific method comprises the following steps: adding various additives into DMF solution of polyurethane resin to prepare slurry, impregnating or coating the slurry on base cloth, then putting the base cloth into a liquid (such as water) with DMF having affinity but not with the polyurethane resin, wherein the DMF is replaced by the water, and the polyurethane resin gradually solidifies due to losing the DMF, thereby forming a porous membrane, namely a microporous polyurethane grain surface layer.
The production method of the PU material is the same as that of the existing PU material.
step 220: fully soaking the PU material produced on the production line in a clean water tank, and performing primary steam drying after soaking.
the specific method comprises the following steps: the PU fabric to be embossed is soaked in a clean water soaking pool in a rolling mode, first steam drying is carried out after soaking is finished, the drying temperature is 100 ℃, the drying time is within 30 seconds, and the PU fabric at the moment has 20% of humidity, so that the characteristics of the PU fabric are not changed.
step 230: and (2) carrying out secondary soaking in a negative oxygen ion setting solution, pressing water after soaking, carrying out secondary steam drying at the drying temperature of 220 ℃ for 1 minute, and printing the lines on the surface of the embossing wheel on the surface of the PU material under the condition that the surface temperature of the hot pressing wheel exceeds 200 ℃ to obtain the PU fabric.
Wherein the negative oxygen ion setting solution comprises the following components in parts by weight:
neutral sizing slurry, 100;
3-5 parts of the negative oxygen ion functional auxiliary agent prepared in the step 150;
water-soluble resin stock solution: 10-15 parts of;
Dispersing agent: 2-4;
Neutral adhesive agent: 3-7;
neutral curing agent: 4-8.
of the above raw materials, the neutral sizing slurry, the water-soluble resin stock solution, the neutral adhesive and the neutral curing agent are conventional basic raw materials used in the sizing of PU products.
The dispersing agent is added to ensure that the five raw materials are more uniform in the synthesis process.
Several exemplary embodiments are as follows:
Example 1.
neutral sizing slurry, 100;
negative oxygen ion functional assistant, 3;
water-soluble resin stock solution: 15;
Dispersing agent: 2;
Neutral adhesive agent: 3;
neutral curing agent: 8.
Example 2.
neutral sizing slurry, 100;
3.5 of negative oxygen ion functional auxiliary agent;
Water-soluble resin stock solution: 14;
dispersing agent: 2.5;
Neutral adhesive agent: 4;
neutral curing agent: 7.
example 3.
neutral sizing slurry, 100;
A negative oxygen ion functional additive, 5;
Water-soluble resin stock solution: 13;
dispersing agent: 3;
neutral adhesive agent: 5;
Neutral curing agent: 5.
example 4.
neutral sizing slurry, 100;
4.5 of negative oxygen ion functional auxiliary agent;
water-soluble resin stock solution: 12;
dispersing agent: 3.5;
Neutral adhesive agent: 6;
Neutral curing agent: 5.
Example 5.
neutral sizing slurry, 100;
An oxygen anion functional assistant, 4;
Water-soluble resin stock solution: 10;
Dispersing agent: 4;
Neutral adhesive agent: 7;
neutral curing agent: 6.
In the existing production process of the material or the fabric for inducing the negative oxygen ions, the negative oxygen ion functional powder is usually added and used directly, and the wetting property and the adhesion property of the negative oxygen ion functional powder are low in the use mode, so that the induced amount of the negative oxygen ions of the produced product is also low.
In the scheme, the negative oxygen ion functional powder, the neutral water-soluble auxiliary agent and the resin are mixed and stirred to be fully mixed into white jelly, and the negative oxygen ion functional auxiliary agent is obtained. Then in the subsequent production process, the negative oxygen ion functional additive is used instead of directly using the negative oxygen ion functional powder, and because the neutral water-soluble additive and the resin are mixed, the viscosity of the negative oxygen ion functional additive is increased, and the dispersibility and the suspension property of the negative oxygen ion functional powder are better, the wettability and the adhesiveness of the negative oxygen ion functional additive on a product are greatly improved, so that the induction quantity of the negative oxygen ion is greatly improved, and the service life of the negative oxygen ion functional powder is greatly prolonged.
In addition, the silica used in the prior art is usually non-treated amorphous silica, and the silica raw material, whether prepared by a sedimentation method or a vapor phase method, is weakly acidic and contains a small amount of soluble silicic acid. Therefore, after the prepared negative oxygen ion functional powder is added into a solution, the solution is in weak acidity, and the weak acidity can influence the product quality in a material production process or a fabric production process to a certain extent, reduce the ionization effect of a material finished product and reduce the induction quantity of negative oxygen ions.
According to the scheme, the raw material silicon dioxide is heated, so that the content of soluble silicic acid in the silicon dioxide is reduced, and the additive is neutral, so that the quality of the negative oxygen ion functional additive is improved, and the product can be stably ionized and induced to generate negative oxygen ions to the space continuously.
the manufacturing method of the negative oxygen ion-inducing PU fabric provided by the invention has the following outstanding advantages:
(1) the magnesium silicate, the magnesium-rich silicate, the ion adsorption type rare earth ore and the silicon dioxide are used as main raw materials, so that the cost of the raw materials is low, the induction quantity of negative oxygen ions is large, and the radiation measurement is low.
(2) the preparation process is simple, the raw material types are simplified, and the production cost is reduced.
(3) The negative oxygen ion PU fabric produced by the method can ionize and induce negative oxygen ions to the space continuously, and the induction quantity is 1200-2500/cm3can improve the living space of people and purify the air and the environment.
according to the detection results (detection report code: GHHJ-JB-Q-2017-142) of the quality supervision and inspection center of the domestic indoor vehicle and the environment-friendly product, the negative oxygen ion PU fabric produced by the method has the formaldehyde removal rate of 69% in 24 hours, the distance between a test point and a sample is 20cm, and the negative oxygen ion release amount is 2.78 multiplied by 103per cm3(ii) a The test point is 60cm away from the sample, and the negative oxygen ion release amount is 2.66 multiplied by 103Per cm3。
The present invention is not limited to the above-mentioned preferred embodiments, and any structural changes made under the teaching of the present invention shall fall within the scope of the present invention, which is similar or similar to the technical solutions of the present invention.
Claims (10)
1. the preparation method of the negative oxygen ion functional powder is characterized by comprising the following steps of:
Baking and drying the ion adsorption type rare earth ore, the magnesium-rich fibrous silicate and the hydrous magnesium silicate;
Extracting the baked and dried magnesium-rich fibrous silicate and the ion-adsorption type rare earth ore by using an acidic extractant, and then baking at a high temperature to remove radioactive elements;
heating amorphous silicon dioxide to reduce the content of soluble silicic acid in the amorphous silicon dioxide;
and crushing and uniformly mixing the hydrous magnesium silicate after baking and drying, the magnesium-rich fibrous silicate after removing radioactive elements, the ion adsorption type rare earth ore and silicon dioxide to obtain the negative oxygen ion functional powder.
2. the method according to claim 1, wherein the ratio of the hydrous magnesium silicate to the magnesium-rich fibrous silicate to the ion-adsorption type rare earth ore to the silicon dioxide is 3: (3-6):(4-8):(1-2.5).
3. The method according to claim 1, wherein the ratio of the hydrous magnesium silicate to the magnesium-rich fibrous silicate to the ion-adsorption type rare earth ore to the silicon dioxide is 3: 6: 5: 1.
4. The method as claimed in claim 1, wherein the negative oxygen ion functional powder is mixed with neutral water-soluble auxiliary agent and resin, and stirred to fully mix the three to obtain white jelly, and the negative oxygen ion functional auxiliary agent is obtained, wherein the weight ratio of the three is (3-5): (20-30): (80-92).
5. The method according to claim 1, wherein the content of soluble silicic acid in the crystalline silica is 30% or less.
6. The method according to claim 1, wherein when the baked and dried magnesium-rich fibrous silicate and ion-adsorbing rare earth ore are extracted with an acidic extractant, the mass of the acidic extractant used is 3 to 5 times the sum of the masses of the magnesium-rich fibrous silicate and the ion-adsorbing rare earth ore, and the concentration of the acidic extractant is 5 to 15 wt%.
7. the method according to claim 1, wherein the removal rate of the radioactive elements in the magnesium-rich fibrous silicate and the ion-adsorbing rare earth ore after the extraction is 80% or more.
8. A manufacturing method of a PU fabric capable of inducing negative oxygen ions is characterized by comprising the following steps:
selecting a wet production line to obtain a PU material;
fully soaking the PU material in clear water, and performing primary steam drying after soaking;
soaking the PU material dried by the first steam in a negative oxygen ion setting solution for the second time, and drying by the second steam after the soaking is finished to obtain the PU fabric, wherein the negative oxygen ion setting solution comprises the following components in parts by weight:
Neutral sizing slurry: 100, respectively;
The negative oxygen ion functional additive prepared by the method of claim 4: 3-5;
Water-soluble resin stock solution: 10-15 parts of;
dispersing agent: 2-4;
neutral adhesive agent: 3-7;
neutral curing agent: 4-8.
9. the method of claim 8, wherein the PU material has a moisture content of 20% after the first steam drying.
10. The method of claim 8, wherein the second steam drying is performed at a drying temperature of 220 ℃ for 1 minute, and the embossing of the surface of the embossing wheel is performed on the surface of the PU material at a temperature of more than 200 ℃.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396324A (en) * | 2019-09-12 | 2019-11-01 | 河北森雅环保新材料科技有限公司 | The production method for inducing the water paint and its functional powders and auxiliary agent of negative oxygen ion |
| CN110527339A (en) * | 2019-09-12 | 2019-12-03 | 河北森雅环保新材料科技有限公司 | The production method for inducing the woodcare paint and its functional powders and auxiliary agent of negative oxygen ion |
-
2019
- 2019-09-12 CN CN201910862185.XA patent/CN110565396A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396324A (en) * | 2019-09-12 | 2019-11-01 | 河北森雅环保新材料科技有限公司 | The production method for inducing the water paint and its functional powders and auxiliary agent of negative oxygen ion |
| CN110527339A (en) * | 2019-09-12 | 2019-12-03 | 河北森雅环保新材料科技有限公司 | The production method for inducing the woodcare paint and its functional powders and auxiliary agent of negative oxygen ion |
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