CN1654739A - Method for preparing PVC leatheroid and PU synthetic leather with high efficiency release of negative ions - Google Patents
Method for preparing PVC leatheroid and PU synthetic leather with high efficiency release of negative ions Download PDFInfo
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- CN1654739A CN1654739A CN 200410014042 CN200410014042A CN1654739A CN 1654739 A CN1654739 A CN 1654739A CN 200410014042 CN200410014042 CN 200410014042 CN 200410014042 A CN200410014042 A CN 200410014042A CN 1654739 A CN1654739 A CN 1654739A
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Abstract
The preparation process of artificial PVC leather and synthetic PU leather to release negative ion effectively includes the following steps: treating tourmaline mineral through sorting, water selecting, eliminating impurity, airflow grinding, acid or alkali treating; mechanical and chemical compounding tourmaline powder with RE salt or oxide and nanometer semiconductor material to obtain nanometer composite tourmaline material; adding the nanometer composite tourmaline material in 1.5-20 wt% into the material for artificial PVC leather and synthetic PU leather; and conventional artificial leather preparing process. The present invention added the negative ion releasing function to artificial PVC leather and synthetic PU leather, and negative ion with powerful oxidizing property is utilized to destroy bacteria's activity and to deodorize through reaction with various bad smell, such as ammonia, benzene, formaldehyde, etc.
Description
Technical field
The present invention relates to a kind of PVC artificial leather, PU synthetic leather preparation method, particularly a kind of PVC artificial leather, PU synthetic leather preparation method that can efficiently discharge anion.
Background technology
Atom, atomic group (comprising molecule) that physics will have electric charge are called ion.Anion just has atom, the atomic group (comprising molecule) of electric charge.Just identified the biological significance of air ion in scientific circles in 1902.Japan just had the treatise of " putting into practice of air ion " in 1938.Take the lead in proving that German medical circle in 1980 the many local people of cation get the ratio height of various diseases, it is also many that traffic accident takes place.The local anion that " scenery with hills and waters " is good is many, and air is obviously pure and fresh, and the incidence of disease is low." anion " mainly acts on human body is calm, thereby also improves a poor appetite, and brings high blood pressure down, feels effects such as comfortable, allaying tiredness.The effect of cation is just opposite with " anion ", gives agitation, insomnia, headache, depression, blood pressure and increases, feel that warm discomfort such as vexed feels." anion " enters lung by breathing, and the penetrability of cell is strengthened, and it will pass the lung chrotoplast and enter the alkalescent that blood is regulated blood.The weak surface activation of anion decomposes cholesterol, the blood clotting of releiving, thus bringing high blood pressure down, the accelerate blood circulation improves metabolism, promotes endocrine, thereby strengthens the disease-resistant energy of human body.Except that being good for one's health, also have bacterium in sterilization, the dirt that disappears, the absorbed air, germ, floating dust, in and pernicious gases such as ammonia and benzene, effectively remove indoor foul smell and peculiar smell effect.Generally speaking, in the confined chamber of city, the space negative ion concentration be 100/below the CC, the street 100-300 of greening/CC, wilderness, suburb, park 500-1000/CC, seabeach, the woods, 1000/CC of health resort zone.Obviously the negative ion concentration of room air is low, is unfavorable for health.
People are being devoted to how to use the characteristic of anion to improve people's living environment quality always, scientific and technical personnel discover that electric stone ore has the effect that discharges anion, pass through unremitting effort for this reason, to be used for dope for inner wall of architecture etc. through the acetylene composite that physics and chemistry was handled, Chinese patent (number of patent application 02123892) " can efficiently produce acetylene composite granule of negative aeroion and preparation method thereof " and disclose this technical scheme, this technical scheme is with natural polar mineral, as the iron acetylene, dravite gas, the iron dravite, ultra-fine grinding such as reason tourmaline etc., and with rare earth complex salt (or complex rare-earth oxidate containing valuable metal), it is compound that nano semiconductor materials etc. carry out mechanochemistry; Or the polar mineral tourmaline produced negative-ion composite material with a kind of high efficiency of rare earth salts and the compound preparation of nano-photo catalytic semi-conducting material again through surface treatment.
Look about on the other hand around our life, because the shortage of natural resources, artificial leather, synthetic leather are because of the improvement of rerum naturas such as himself intensity, feel and move closer to even surmount the favorite that corium becomes the new century day by day.The case and bag of the clothes of being charming appearance and personality, the sofa of luxurious warmth, a great variety of models, noble shoes and hats and automotive trim and various and the equipment or the like of leisure, almost everywhere all has artificial leather, the Protean beautiful figure of synthetic leather.Yet because the non-environmental protection functional issues of artificial leather, synthetic leather is outstanding day by day, problem of environmental pollution is inevitable.People require very urgent to the feature of environmental protection and the antibiotic property of improving artificial leather, synthetic leather fabric.
Summary of the invention
In order to overcome the problems referred to above, the invention provides the preparation method of a kind of PVC artificial leather, PU synthetic leather for this reason, use PVC artificial leather that this method makes, PU synthetic leather can be forever negative ion-releasing function efficiently, thereby improve people's living environment quality.
The present invention for the technical scheme that solves its technical problem and adopt is:
Realize according to the following steps:
1) the tourmaline raw ore is carried out successively selected, wet concentration, decontamination, airflow milling pulverizing, high-temperature process, acid treatment or alkali treatment and become tourmaline powder;
2) it is compound that the described tourmaline powder that utilizes rare-earth salts or oxide, nano semiconductor material and physics and chemistry to handle carries out mechanochemistry, reaches nano level tourmaline composite;
3) with described tourmaline composite by weight accounting 1.5-20% join in the processing raw material of PVC artificial leather, PU synthetic leather, carry out according to PVC artificial leather, PU synthetic leather processing technology again.
As to further improvement of the present invention, it is 3-12% that this tourmaline composite joins the weight accounting of PVC artificial leather in processing raw material, this PVC artificial leather processing technology at first is selected good tourmaline composite to be added be equipped with in the mixer of resin and plasticizer, and add blowing agent and stabilizing agent etc., require to determine the weight proportions such as this resin, plasticizer, blowing agent and stabilizing agent of adding according to the feel of PVC artificial leather; Carry out according to the conventional processing technology of PVC artificial leather then.
As to further improvement of the present invention, it is 3-6% that this tourmaline composite joins the weight accounting of dry method PU synthetic leather in processing raw material, this dry method PU synthetic leather processing technology is selected good tourmaline composite, mill base etc. to be joined the good PU resin of proportioning form compound, this compound high-speed stirred is even, carry out according to the conventional processing technology of PU synthetic leather then.
As to further improvement of the present invention, it is 1.5-5% that this tourmaline composite joins the weight accounting of wet method PU chemical leather in processing raw material, this wet method PU chemical leather processing technology is selected good tourmaline composite, mill base etc. to be joined the good PU resin of proportioning form compound, this compound high-speed stirred is even, carry out according to the conventional processing technology of PU synthetic leather then.
The invention has the beneficial effects as follows: in PVC artificial leather, PU synthetic leather preparation process, added tourmaline composite, contain tourmaline composite in the PVC artificial leather of making like this, the PU synthetic leather, when air molecule and composite granule collision, highfield acts on airborne hydrone (decomposition voltage of hydrone is 1.23 volts) and is ionized into HO
-, HO
-Absorb the water in air molecule and form HO
-(H
2O)
n, increased the concentration of anion in the air.Utilize the anion change PVC artificial leather of its release, the defective of PU synthetic leather function singleness, changed people's living environment quality, and utilize the very strong oxidisability of anion to destroy the cytoactive of bacterium, reach the purpose of antibiotic and sterilizing, simultaneously can react and make it to decompose, reach the smelly purpose that disappears with foul smell such as ammonia, benzene, formaldehyde, different lucky oxalic acid.
The tourmaline composite of preparation is joined in the processing raw material of PVC artificial leather, PU synthetic leather with the constant weight accounting, if the amount of the tourmaline composite that adds is very few, just do not have the abundant anion effect of release, just do not reach yet and improve PVC artificial leather, PU synthetic leather functional defect; If but the amount of the tourmaline composite that adds is excessive, destroy the physical characteristic of PVC artificial leather, PU synthetic leather on the contrary.The addition 1.5-20% in whole ratio that shows tourmaline composite according to experiment is suitable, and it is 3-12% that this tourmaline composite joins the optimum weight accounting of PVC artificial leather in processing raw material, joining the optimum weight accounting of dry method PU synthetic leather in processing raw material is 3-6%, and joining the optimum weight accounting of wet method PU chemical leather in processing raw material is 1.5-5%.
The specific embodiment
One of embodiment: utilize the tourmaline composite of making to be applied to PVC artificial leather processing technology
Tourmaline composite described in the present invention is based on Chinese patent (number of patent application 02123892) and " can efficiently produces tourmaline powder of negative aeroion and preparation method thereof " disclosed technical scheme is made.Concrete preparation process is as follows:
At first the acetylene ore deposit is carried out selected, wet concentration, decontamination, and be ground into particle diameter through airflow milling and be ultra-fine tourmaline powder less than 10 microns; With this ultra-fine tourmaline powder in electric furnace heat treatment 1-3 hour, temperature range was 100-900 ℃, must not be above 900 ℃ then; Superfine tourmaline powder after will handling then is through peracid treatment or alkali treatment, and oven dry; Mix ultra-fine mechanochemical treatment again with industrial RE phosphate or oxide ultra-fine grinding (below 10 microns), and with Nano titanium dioxide; At last with the tourmaline powder handled well and rare earth with make the acetylene composite of particle diameter after the powder of nano titanium oxide fully mixes less than 10 microns in batch mixer.
Each raw material weight proportioning is as follows in above-mentioned tourmaline composite:
Described electric stone ore is chosen as iron tourmaline and dravite mineral 60;
Described rare earth oxide is CePO
420;
Described nano semiconductor material TiO
220;
Selected good tourmaline composite adding is equipped with in the mixer of resin and plasticizer, and add stabilizing agent, pigment, blowing agent and filler, require to determine this resin, plasticizer, stabilizing agent, blowing agent, filler and the pigment weight proportioning of adding according to the feel of PVC artificial leather; Carry out according to the conventional processing technology of PVC artificial leather then.Also added blowing agent and filler among this embodiment as required, below be further elaborated with regard to rolling process PVC artificial leather processing technology:
The needed raw material weight proportion is as follows:
PVC (S-1000) resin 100 (Tian Yuan chemical plant, Shanghai)
(Shanghai is unified into the chemical plant to DOP plasticizer 70
AC blowing agent 3 (Suzhou pesticide chemical factory)
FS-320 stabilizing agent 3.5 (Xiamen associating chemistry)
Precipitated calcium carbonate filler 20 (Suzhou Western Hills)
Acetylene composite 20
Pigment 3
Above-mentioned tourmaline composite addition can influence serviceability and feels such as the surface abrasion resistance, intensity of product too much, and its production cost can increase substantially, and optimal addn is 3-12%.
Described PVC artificial leather properties of product test:
1, negative ion concentration test
This adopts the environment analyzer test of Japanese Achilles Corp., and test condition is temperature 23 degree, humidity 50%, and test data is taken from mean value between 8 minutes to 12 minutes.
| Test name | Average negative ion concentration (individual/cc) |
| Air ambient | ????400 |
| Not surface treated PVC artificial leather product | ????1800 |
| PVC artificial leather product after surface treatment | ????1700 |
2, air purification function
Experiment condition: this PVC artificial leather production is integral the long-pending 1M that is
3Confined space, after measured the ammonia in purifying air, formaldehyde, benzene are had certain effect.Its test result is as follows:
| Sequence number | Test item | Unit | The result | ||
| Time (hour) | Concentration (mg/m 3) | Degradation rate (%) | |||
| ????1 | Formaldehyde | ??Mg/m 3 | ????0 | ????0.38 | ????0.0 |
| ????48 | ????0.07 | ????81.6 | |||
| ????96 | ????0.03 | ????93.1 | |||
| ????2 | Ammonia | ??Mg/m 3 | ????0 | ????1.02 | ????0.0 |
| ????48 | ????0.15 | ????85.5 | |||
| ????96 | ????0.04 | ????96.2 | |||
| ????3 | Benzene | ??Mg/m 3 | ????0 | ????0.41 | ????0.0 |
| ????48 | ????0.08 | ????80.4 | |||
| ????96 | ????0.03 | ????92.5 | |||
Wherein degradation rate is according to following calculating: (0.38-0.07)/and 0.38*100%=81.6%, other data computation of degradation rate and the like.
Two of embodiment: utilize the tourmaline composite of making to be applied to PU synthetic leather processing technology
The preparation method of described acetylene composite is with one of embodiment, below is further elaborated respectively with regard to PU synthetic leather dry method and wet method processing technology:
(1) dry method PU synthetic leather processing technology
Selected good tourmaline composite, PU resin, PU mill base, solvent are stirred at agitator, can adjust the kind and the weight proportion of PU resin, solvent, PU mill base according to the difference of PU synthetic leather properties of product requirement.This embodiment has also added solvent, and effect is debug products viscosity, improves the product processing characteristics.
The needed raw material weight proportion is as follows in the dry method PU synthetic leather processing technology:
PU resin C-9245 100
PU mill base 10
Solvent 30
Tourmaline composite 5
Above-mentioned PU resin C-9245 is a polyester series GENERAL TYPE polyurethane (constant concentration 30%, film rerum natura 7Mpa, TENSILE STRENGTH 50Mpa, percentage elongation 450%); Above-mentioned tourmaline composite addition can influence serviceability and feels such as the surface abrasion resistance, intensity of product too much, and its production cost can increase substantially, and optimal addn is 3-6%; With 80-100g/m
2Be coated with that to scrape on the release liners in temperature be 100-120 degree and time to be dry under 2 minutes the condition, the coating following layer makes it and base cloth or wet method PUBASE fit.
Utilize dry method PU synthetic leather properties of product method of testing that tourmaline composite makes with one of embodiment, test data is as follows:
The average negative ion concentration of not surface treated PU artificial leather product: 1200/cc.
(2) wet method PU chemical leather processing technology
Selected good tourmaline composite, PU resin, bridging agent, PU mill base, solvent are stirred at agitator, can adjust the kind and the weight proportion of PU resin, solvent, PU mill base according to the difference of properties of product requirement.This embodiment has also added bridging agent and solvent, and the bridging agent effect is to improve the heavy film properties of product, and solvent action is debug products viscosity, improves the product processing characteristics.
The needed raw material weight proportion is as follows in the wet method PU chemical leather processing technology:
PU resin CJ9590 100
Bridging agent CL-9100 1
PU mill base 5
Solvent 40
Acetylene composite 3
Above-mentioned its solid content 19.5% of PU resin CJ9590, film rerum natura 100%M.D. are 230 degrees centigrade of 9Mpa, tensile strength 80Mpa, percentage elongation 500%, heat resisting temperatures; Described acetylene composite optimal addn is 1.5-5%, and the many easily formation of amount sedimentation increases manufacturing cost simultaneously.
Utilize wet method PU chemical leather properties of product method of testing that tourmaline composite makes with one of embodiment, test data is as follows:
The average negative ion concentration of not surface treated PU artificial leather product: 1200/cc.
Claims (7)
1. efficient PVC artificial leather, PU synthetic leather preparation method who discharges anion is characterized in that: realize according to the following steps:
1) the tourmaline raw ore is carried out successively selected, wet concentration, decontamination, airflow milling pulverizing, high-temperature process, acid treatment or alkali treatment and become tourmaline powder;
2) it is compound that the described tourmaline powder that utilizes rare-earth salts or oxide, nano semiconductor material and physics and chemistry to handle carries out mechanochemistry, reaches nano level tourmaline composite;
3) with described tourmaline composite by weight accounting 1.5-20% join in the processing raw material of PVC artificial leather, PU synthetic leather, carry out according to PVC artificial leather, PU synthetic leather processing technology again.
2. the PVC artificial leather of efficient release anion according to claim 1, PU synthetic leather preparation method is characterized in that: it is 3-12% that this tourmaline composite joins the weight accounting of PVC artificial leather in processing raw material.
3. the PVC artificial leather of efficient release anion according to claim 1, PU synthetic leather preparation method is characterized in that: it is 3-6% that this tourmaline composite joins the weight accounting of dry method PU synthetic leather in processing raw material.
4. the PVC artificial leather of efficient release anion according to claim 1, PU synthetic leather preparation method is characterized in that: it is 1.5-5% that this tourmaline composite joins the weight accounting of wet method PU chemical leather in processing raw material.
5. the PVC artificial leather of efficient release anion according to claim 2, PU synthetic leather preparation method, it is characterized in that: this PVC artificial leather processing technology at first is selected good tourmaline composite to be added be equipped with in the mixer of resin and plasticizer, and add stabilizing agent, pigment etc., require to determine the weight proportions such as this resin, plasticizer, stabilizing agent and pigment of adding according to the feel of PVC artificial leather; Carry out according to the conventional processing technology of PVC artificial leather then.
6. the PVC artificial leather of efficient release anion according to claim 3, PU synthetic leather preparation method, it is characterized in that: this dry method PU synthetic leather processing technology is selected good tourmaline composite, PU mill base etc. to be joined the good PU resin of proportioning form compound, this compound high-speed stirred is even, carry out according to the conventional processing technology of PU synthetic leather then.
7. the PVC artificial leather of efficient release anion according to claim 4, PU synthetic leather preparation method, it is characterized in that: this wet method PU chemical leather processing technology is selected good tourmaline composite, PU mill base etc. to be joined the good PU resin of proportioning form compound, this compound high-speed stirred is even, carry out according to the conventional processing technology of PU synthetic leather then.
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| CN1300411C CN1300411C (en) | 2007-02-14 |
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