CN101597434B - Green pigment for substituting paris green with strong toxicity - Google Patents
Green pigment for substituting paris green with strong toxicity Download PDFInfo
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- CN101597434B CN101597434B CN2009100231486A CN200910023148A CN101597434B CN 101597434 B CN101597434 B CN 101597434B CN 2009100231486 A CN2009100231486 A CN 2009100231486A CN 200910023148 A CN200910023148 A CN 200910023148A CN 101597434 B CN101597434 B CN 101597434B
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Abstract
A green pigment for substituting paris green with strong toxicity is prepared by raw materials of 16.0-17.5% of nano titanium dioxide, 54.1-55.6% of chrome green, 22.3-24.5% of peacock blue ceramic pigment and 4.5-6.1% of fluorescence green 3G by mass ratio. Chromatic aberration, adhesive attraction and flexibility after artificial accelerated ageing of the green pigment of the invention and the paris green pigment are tested through chromatic aberration test analysis and contrast dry heat aging, wet heat aging, ultraviolet aging and ozone aging experiments, and the experiment result shows that colour variation amount after artificial accelerated aging of the green pigment of the invention is less than that of the paris green pigment, adhesive attraction grade after aging is higher than that of the paris green pigment, and flexibility value is larger than that of the paris green pigment. Shanxi Centers for Disease Control and Prevention is entrusted to detect the toxicology of the green pigment of the invention, and the detection result shows that the green pigment of the invention is non-toxic and nonirritating. The green pigment of the invention can substitute the paris green pigment to repair historic building colour painting cultural relics.
Description
Technical field
The invention belongs to the material technology field, be specifically related to a kind of veridian that is used for the ancient building oil colored paintings.
Background technology
The Chinese ancient architecture colour painting is as a kind of gimmick of decoration, with a long history, subject matter is extensive, painted gorgeous, the painter is exquisite, is extremely valuable integral part in the ancient building legacy.Before China Qing Dynasty late period and even the colour painting in epoch more remote, the colour painting face material that is used is homemade, and these face materials are the master with natural mineral material.Arrived Qing Dynasty late period, had a kind of Germany that is called urania green to produce veridian and apply in the Chinese ancient architecture oil colored paintings.Urania green, molecular formula Cu (C
2H
3O
2)
23Cu (AsO
2)
2, color and luster turns blue, and form and aspect are full, and are splendid, are that the ancient building colour painting is brushed green main pigment in a large number.
Urania green costs an arm and a leg, and contains severe toxicity, and hazardous substance are numbered 61009, and pigment can cause airborne dust in using, and sucks or oral uptake through respiratory tract, can cause acute local action and the chronic poisoning that is caused by arsenic.As local excitation skin and mucous membrane there are infringement, the report of dermatitis, conjunctivitis and upper respiratory tract infection etc. are arranged, in addition about general action; From the initial stage in this century to mid-term; The report of chronic poisoning is arranged, the report of relevant arseniasis, especially skin carcinoma; Therefore, serious threat workmen's health in the urania green practice.Urania green is used for camouflage again, will indicate in the ancient architecture colour painting during import and use, could a small amount of import.In this case, force in the construction of many ancient architecture colour paintings and use color pigment unlucid and lively, that weathering resistance is bad to substitute, cause the colour painting efflorescence, serious consequence such as fade causes enormous economic loss.
At present, the instance that after the composite urania green form and aspect of test, is used for the colour painting repairing does not appear in the newspapers.Along with the promulgation of China to building materials hazardous and noxious substances limit standard; Pigment safe in utilization also received concern; How composite go out a kind of identical with the urania green form and aspect and cheap, be easy to get, the pigment of nontoxic, good weatherability, become current ancient building colour painting safeguard with repair in be badly in need of the technical problem that solves.
Summary of the invention
Technical problem to be solved by this invention is to overcome the shortcoming of above-mentioned urania green, provide a kind of consistent with the urania green form and aspect, production cost is low, the veridian of the urania green of the alternative strong toxicity of nontoxic, good weatherability.
Solving the problems of the technologies described above the technical scheme that is adopted is to be processed by following quality proportion raw material:
Nano titanium oxide 16.0%～17.5%
Chrome Green 99.0min 54.1%～55.6%
Peacock orchid ceramic pigment 22.3%～24.5%
Fluorescence green 3G 4.5%～6.1%.
Nano titanium oxide in the said ratio, molecular formula are TiO
2, the R type, the pure reagent of crystalline substance ltd produces by Shanghai; Chrome Green 99.0min, the bright green powder is PbCrO
4And Fe
4[Fe (CN)
6]
3(NH
4)
4Fe (CN)
6Compsn, factory produces by the bright iron oxide pigment in Shijiazhuang; The peacock orchid ceramic pigment, the green rust powder is ZnO, Al
2O
3, CoO, Cr
2O
3Product after the calcining is produced by the female forever ceramic pigment in Zibo ltd; Fluorescence green 3G, yellow-green colour powder ， perylene based compound is produced by Kunshan, Jiangsu Organic Chemical Plant.
Two kinds of pigment of peacock orchid ceramic pigment and Chrome Green 99.0min are the adjacent look of urania green, and resize ratio can be composite goes out close form and aspect with urania green pigment; Nano titanium oxide has high whiteness and opacifying power, can improve the full degree of secondary color; Fluorescence green 3G can promote secondary color brightness.
The preferred mass of preparation veridian of the present invention is provided as:
Nano titanium oxide 16.0%～16.8%
Chrome Green 99.0min 54.1%～55.0%
Peacock orchid ceramic pigment 22.4%～23.5%
Fluorescence green 3G 4.7%～5.8%.
The best in quality of preparation veridian of the present invention is provided as:
Nano titanium oxide 16.4%
Chrome Green 99.0min 54.8%
Peacock orchid ceramic pigment 23.3%
Fluorescence green 3G 5.5%.
Preparing method of the present invention is following:
Four kinds of pigment are crossed 200 mesh sieves, stir, mix with stirrer.
Veridian of the present invention and urania green pigment are through the chromatism test analysis; Contrast xeothermic aging, hydrothermal aging, ultraviolet ageing, ozone ageing experiment; The aberration behind the artificial accelerated aging, sticking power, snappiness have been tested; Experimental result shows; Veridian of the present invention is little than urania green pigment in change in color amount behind the artificial accelerated aging, the sticking power grade after wearing out greater than urania green pigment, explains that the ageing-resistant performance of veridian of the present invention is superior to urania green pigment greater than urania green pigment, snappiness numerical value.The applicant entrusts disease control and prevention center, Shaanxi to detect the toxicity of veridian of the present invention, and detected result shows, nontoxic, the nonirritant of veridian of the present invention.The alternative urania green pigment of veridian of the present invention is used for the reparation of ancient building colour painting historical relic.
Embodiment
To further explain of the present invention, but the invention is not restricted to these embodiment below in conjunction with embodiment.
Embodiment 1
Product 100kg of the present invention is that used raw material of example and quality proportioning thereof are following with preparation:
Nano titanium oxide 16.4kg
Chrome Green 99.0min 54.8kg
Peacock orchid ceramic pigment 23.3kg
Fluorescence green 3G 5.5kg
Its preparation method is: four kinds of pigment are crossed 200 mesh sieves, stir with stirrer, mix.
Embodiment 2
Product 100kg of the present invention is that used raw material of example and quality proportioning thereof are following with preparation:
Nano titanium oxide 16.0kg
Chrome Green 99.0min 55.6kg
Peacock orchid ceramic pigment 22.3kg
Fluorescence green 3G 6.1kg
Its preparation method is identical with embodiment 1.
Embodiment 3
Product 100kg of the present invention is that used raw material of example and quality proportioning thereof are following with preparation:
Nano titanium oxide 17.5kg
Chrome Green 99.0min 54.1kg
Peacock orchid ceramic pigment 23.9kg
Fluorescence green 3G 4.5kg
Its preparation method is identical with embodiment 1.
Embodiment 4
Product 100kg of the present invention is that used raw material of example and quality proportioning thereof are following with preparation:
Nano titanium oxide 16.9kg
Chrome Green 99.0min 54.1kg
Peacock orchid ceramic pigment 24.5kg
Fluorescence green 3G 4.5kg
Its preparation method is identical with embodiment 1.
Embodiment 5
Product 100kg of the present invention is that used raw material of example and quality proportioning thereof are following with preparation:
Nano titanium oxide 16.0kg
Chrome Green 99.0min 55.0kg
Peacock orchid ceramic pigment 23.2kg
Fluorescence green 3G 5.8kg
Its preparation method is identical with embodiment 1.
Embodiment 6
Product 100kg of the present invention is that used raw material of example and quality proportioning thereof are following with preparation:
Nano titanium oxide 16.8kg
Chrome Green 99.0min 54.1kg
Peacock orchid ceramic pigment 23.5kg
Fluorescence green 3G 5.6kg
Its preparation method is identical with embodiment 1.
Embodiment 7
Product 100kg of the present invention is that used raw material of example and quality proportioning thereof are following with preparation:
Nano titanium oxide 16.8kg
Chrome Green 99.0min 55.0kg
Peacock orchid ceramic pigment 22.4kg
Fluorescence green 3G 5.8kg
Its preparation method is identical with embodiment 1.
Embodiment 8
Product 100kg of the present invention is that used raw material of example and quality proportioning thereof are following with preparation:
Nano titanium oxide 16.8kg
Chrome Green 99.0min 55.0kg
Peacock orchid ceramic pigment 23.5kg
Fluorescence green 3G 4.7kg
Its preparation method is identical with embodiment 1.
In order to confirm best proportioning of the present invention, the contriver has carried out a large amount of experiments, and various experiment situation are following:
Testing tool: the full-automatic colour examining colour-difference-metre of DC-P3 type, the emerging flash ranging look in Beijing instrument company produces; The climatic chamber of XMTA-7000P type, thermometer Watch Factory in Yuyao produces; The ozone box of QL/J-225 type, the magnificent testing installation of Wuxi City brocade ltd produces; Germany Binder growth cabinet KBF series, Louis, Hong Kong business corporation sells; Visible spectrum range 340-1060 spectral radiometer, produced in usa; QBJ digital display coating cupping tester, Tianjin Yong Lida material-testing machine ltd produces; The electronic adherometer of QFD type paint film, Tianjin Yong Lida material-testing machine ltd produces.
1, selects pigment
It is bright that used pigment generally meets color and luster in the ancient building oil colored paintings, full, steady generous, the characteristics such as ageing-resistant performance is good of form and aspect.Urania green pigment form and aspect are beautiful pure and fresh, and form and aspect are between bluish-green, and bluish-green dichromatism pigment type is more; Therefore; According to the middle shade principle in the color theory, collect a large amount of blue pigmentss, veridian carries out orthogonal experiment, chooses two kinds of composite effects pigment preferably.The veridian of utilization is seen table 1 in the ancient architecture construction.
The form and aspect of several kinds of veridians of table 1
| Veridian | Chrome Green 99.0min | Chromoxide green | Malachite green | Iron oxide green | Phthalocyanine green |
| Form and aspect | The bright green powder | Olive colour powder | The greyish-green powder | Green powder | Blackish green powder |
| Form | PbCrO 4、 Fe 4[Fe(CN) 6] 3· (NH 4) 4Fe(CN) 6 | Cr 2O 3 | CuCO 3·Cu(OH) 2 | Fe 2O 3·H 2O | C 32H 1~2N 8Cl 14~15 |
The blue pigments of utilization is seen table 2 in the ancient architecture construction.
The form and aspect of several kinds of blue pigmentss of table 2
| Blue pigments | The peacock orchid ceramic pigment | Barba hispanica | Azurite | Ultramarine | Phthalocyanine blue |
| Form and aspect | The green rust powder | Faint blue to sapphirine powder | Mazarine crystal to dusty blue powder | The sapphirine powder | The mazarine powder |
| Form | ZnO、Al 2O 3、 CoO、Cr 2O 3 | Fe 4[Fe(CN) 6] 3· (NH 4) 4Fe(CN) 6 | Cu 3(CO 3) 2(OH) 2 | Na 6.88Al 5.63O 24S 2.4 | C 32H 17N 3O 2 |
The blue pigments and the veridian of table 1 and table 2 are carried out the orthogonal building experiment, and experimental technique is following:
Get 10.0g gelatine and 60.0g zero(ppm) water places beaker, use the preservative film plastic packaging, 75 ℃ of heating in water bath are processed gelatine liquid.Veridian and urania green pigment that bluish-green dichromatism pigment orthogonal building goes out are crossed 200 mesh sieves, respectively get 3.0g, add 4.5g gelatine liquid respectively, grind well with pestle, brushing is on ancient building colour painting ground battle layer breadboard.Detect by an unaided eye and the adjusting ratio; Behind a large amount of combine experiments, optimize color comparatively bright peacock orchid ceramic pigment and two kinds of pigment of Chrome Green 99.0min, the two composite pigment form and aspect that go out is the most similar with the artistic impression of urania green; But brightness and saturation ratio have deficiency slightly; Adding all higher white pigment of opacifying power and whiteness increases its saturation ratio, and in conjunction with the related data and the experiment of white pigment, screening process is following:
White pigment is selected nano zine oxide, nano titanium oxide, zinc sulfide white, white lead for use, and nano titanium oxide has stable crystalline structure, and its resistance to chalking, weathering resistance are all very excellent, and opacifying power is the highest and can reach very high whiteness in all white pigments; Zinc sulfide white has unreactiveness but meets acid and decompose, and becomes ash behind the ultraviolet ray ageing; That nano zine oxide has is well fast light, heat-resisting, weathering resistance and resistance to chalking, and whiteness is high, but opacifying power is relatively poor; White lead is that the Qing Dynasty used white pigment in the past, and whiteness is relatively low, is prone to efflorescence.The whiteness of testing above-mentioned four kinds of white pigments with the full-automatic colour examining colour-difference-metre of DC-P3 type.
Test result is seen table 3.
The whiteness of several kinds of white pigments of table 3
| White pigment | Nano zine oxide | Nano titanium oxide | Zinc sulfide white | White lead |
| Form | ZnO | TiO 2(R type) | ZnS·BaSO 4 | 2PbCO 3·Pb(OH) 2 |
| Whiteness (Henry) | 96.32 | 96.85 | 92.51 | 88.51 |
Visible by table 3, the whiteness of nano titanium oxide is up to 96.85, adds back secondary color saturation ratio and significantly improves.
Select to add the comparatively bright yellow ultramarine of color and can improve the composite brightness that goes out veridian.Choose orpiment, chrome yellow, realgar, four kinds of yellow ultramarines of fluorescence green 3G, the observation form and aspect.
The result sees table 4.
The form and aspect of several kinds of yellow ultramarines of table 4
| Yellow ultramarine | Orpiment | Chrome yellow | Realgar | Fluorescence green 3G |
| Form | PbCrO 4·CaCO 3 | PbCrO 4 | As 2S 2 | The perylene based compound |
| Form and aspect | Pale yellow powder | Yellow powder | Dark yellow pigment | The yellow-green colour powder |
Visible by table 4; The adding of orpiment, chrome yellow, realgar makes the composite form and aspect that go out veridian thick and heavy, the brightness that does not reach urania green pigment, and the fluorescent yellow outward appearance is beautiful yellow-green colour powder; Add back pigment brightness and improve, make the composite form and aspect that go out veridian similar with urania green pigment.
2, confirm the best proportioning of veridian of the present invention
Nano titanium oxide, Chrome Green 99.0min, peacock orchid ceramic pigment, fluorescence green 3G are crossed 200 mesh sieves, mix by the mass ratio in the table 5.
The secondary color form and aspect table of the different pigment ratios of table 5
| Mass ratio | The secondary color form and aspect |
| 1.0∶2.0∶2.0∶0.5 | Color and luster turns blue, and background color turns white |
| 0.8∶2.0∶1.2∶0.3 | Similar with the urania green pigment colour |
| 0.6∶2.0∶0.85∶0.2 | Consistent with the urania green pigment colour |
| 0.4∶2.0∶0.7∶0.1 | Similar with the urania green pigment colour |
| 0.3∶2.0∶0.5∶0.1 | The color and luster greening, color is darker |
Visible by table 5, nano titanium oxide, Chrome Green 99.0min, peacock orchid ceramic pigment and fluorescence green 3G pressed mass ratio 0.6: 2.0: 0.85: during 0.2 preparation, the form and aspect of veridian and urania green pigment coincide, and green difference can not detect by an unaided eye.
For the form and aspect of further checking veridian of the present invention identical and whether have a good performance with urania green; The contriver adopts the veridian of the embodiment of the invention 1 preparation and urania green pigment has carried out simultaneous test and consignment test unit tests, and various test situation are following:
Test pigment: veridian of the present invention is prepared by the contriver; Urania green pigment is produced by BASF Aktiengesellschaft, and Beijing Bart Buddhist nun's chemical industry ltd sells.
1, test aberration
Detect foundation: with reference to C worker E color space coordinate principle.Aberration calculates by following formula:
ΔE＝(ΔL
2+Δa
2+Δb
2)
1/2
The size of Δ E value reflection colour-change degree in the formula, the big more account for color of Δ E value changes big more, on the contrary then account for color changes more little.
Table 6 value of chromatism and colour-change synopsis
| Value of chromatism (NBS unit) | The colour-change situation |
| 0～0.5 | Trace becomes |
| 0.5～1.5 | Little change |
| 1.5～3.0 | Visible change |
| 3.0～6.0 | Considerable change |
| 6.0～12.0 | Change big |
| 12.0 more than | Alter a great deal |
Test item: detect the value of chromatism between urania green pigment and the veridian of the present invention, estimate the similarity degree of two kinds of pigment form and aspect; The value of chromatism of urania green pigment and veridian of the present invention self colour-change is estimated two kinds of pigment ageing-resistant performances behind the detection artificial accelerated aging.
Method for making sample: make 12 blocks of urania green pigment and veridian sample panel of the present invention respectively by the boiling of above-mentioned glue and the modulator approach of pigment, get respectively that urania green pigment and 3 of veridian test plate (panel)s of the present invention are put into xeothermic, damp and hot, ozone respectively, the ultraviolet ageing case compares weathering test.
The artificial accelerated aging method:
1. xeothermic aging: temperature is 105 ℃, aging 72 hours;
2. hydrothermal aging: temperature is that 80 ℃, humidity are under 60% condition, aging 72 hours;
3. ozone ageing: temperature is 25 ℃, ozone concn: 8.0 * 10
-6, under the condition of air velocity 20.0mm/s, aging 72 hours;
4. ultraviolet ageing: room temperature, the vertical irradiation distance be under the 20cm condition, under the 30W uv lamp, wears out 72 hours.
Test result sees the following form 7, table 8:
Table 7 veridian of the present invention and urania green pigment aberration
Veridian of the present invention and urania green pigment self color aberration before and after table 8 artificial accelerated aging
| ΔE | Ultraviolet ageing | Hydrothermal aging | Xeothermic aging | Ozone ageing |
| Veridian of the present invention | 1.43 | 0.79 | 1.21 | 1.50 |
| Urania green pigment | 2.11 | 0.83 | 1.64 | 1.64 |
* annotate: various pigment aberration are testing mean three times
Table 7 shows that the aberration between veridian of the present invention and urania green pigment is between 0.5～1.5, and belonging to naked eyes can't observed " little change " level.Table 8 shows that veridian of the present invention change in color amount behind artificial accelerated aging is little than urania green pigment, explains that the ageing-resistant performance of veridian of the present invention is good than urania green.
2, test sticking power
Detect foundation: GB/T 1720-79 (89) " paint film adhesion assay method ".
Model is fixed on the platform that can move forward and backward, when platform moves, makes the stylus of circular motion and draw paint film, and can mark the lines of overlapping cycloid, from the lines of cycloid, observe paint film destructive position, to judge the rank of sticking power.Check the paint film integrated degree at each position in order, intact more than 70% like the quadrille at a certain position, think that then this position is intact, otherwise think corrupted.Paint film is intact, and sticking power is best, is decided to be 1 grade, and sticking power takes second place and is decided to be 2 grades.And the like, 7 grades of sticking power are the poorest.
Test item: urania green pigment and veridian of the present invention and gelatine liquid are processed filmed respectively, test two kinds and film before and after artificial accelerated aging to the sticking power of basic unit, the ageing-resistant performance of evaluation urania green pigment and pigment of the present invention.
Method for making sample: according to the said method of above experiment urania green pigment and veridian of the present invention are modulated with gelatine liquid respectively, evenly brushing is tested on the standard steel plate.
Detected result is seen table 9.
The sticking power of urania green pigment and veridian of the present invention before and after table 9 artificial accelerated aging
| Sticking power (grade) | Before aging | Ultraviolet ageing 3 days | Hydrothermal aging 3 days | Xeothermic aging 3 days |
| Urania green pigment | 2 | 5 | 2 | 4 |
| Veridian of the present invention | 2 | 4 | 4 | 3 |
Table 9 shows; Behind artificial accelerated aging, the sticking power of urania green pigment and veridian of the present invention all has decline in various degree, but urania green pigment is loss of adhesion comparatively obvious; Especially behind ultraviolet ageing, the urania green coat of colo(u)r has shown as first on macroscopic view serious; The sticking power grade of veridian of the present invention after wearing out proves that all greater than urania green pigment the ageing-resistant performance of veridian of the present invention is superior to urania green pigment.
3, test snappiness
Detect foundation: GB/T 9753-1988 " paint film flexibility cupping laboratory method ".
Present method is through the last top power that the paint film cupping tester produces, paint film is out of shape gradually after, test its cracking resistance or resist and the isolating performance of metal substrate.Behind the artificial accelerated aging, press the power of falling into big more, prove that the snappiness of pigment is good more, ageing-resistant performance is good more.
Test item: urania green pigment and veridian of the present invention and gelatine liquid are processed filmed respectively, test two kinds of snappinesies of filming before and after artificial accelerated aging, the ageing-resistant performance of evaluation urania green pigment and pigment of the present invention.
Method for making sample: according to the said method of above experiment urania green pigment and veridian of the present invention are modulated with gelatine liquid respectively, evenly brushing is tested on the standard steel plate.Detected result is seen table 10.
The snappiness of urania green pigment and veridian of the present invention before and after table 10 artificial accelerated aging
| Press the power (N) that falls into | Before aging | Ultraviolet ageing 3 days | Hydrothermal aging 3 days | Xeothermic aging 3 days |
| Urania green pigment | 580 | 230 | 485 | 462 |
| Veridian of the present invention | 619 | 316 | 490 | 504 |
Table 10 shows; Behind artificial accelerated aging; The snappiness of urania green pigment and veridian of the present invention all has the decline without degree; But it is comparatively obvious that the snappiness of urania green pigment descends, and the snappiness numerical value of veridian of the present invention after wearing out proves that all greater than urania green pigment the ageing-resistant performance of veridian of the present invention is superior to urania green pigment.
4, consignment test unit testing veridian toxicity of the present invention
According to the related data report, the toxicity of urania green is: rat oral LD
5022mg/kg, cavy per os LD
50Dead after 30mg/kg 4-5 hour.
The veridian that the applicant adopts the present invention to prepare is entrusted the disease prevention and control center, Shaanxi Province to carry out toxicity and is detected.
Detect foundation: " disinfection technology standard " (Ministry of Health's version in 2002)
Veridian test result of the present invention is following:
(1) rat acute per os toxicity test
Tried thing: veridian of the present invention.Get and tried thing 25g adding distil water to 100ml, subsequent use after stirring, irritate stomach and can reach 5000mg/kgbw twice.
Laboratory animal: 20 of SD rats, male and female half and half, body weight 180g-220g is provided by The Fourth Military Medical University's Experimental Animal Center, secondary animal (SCXK (army) 2007-007 number).Feed, bedding and padding are originated the same.
Testing circumstance: temperature 19-23 ℃, relative humidity 40%-70%.Animal House qualifier: SYXC (Shan) 2007-005.Method for breeding is a group support.
TP: get 20 of the examination mouse of fasting 16h, with being tried the metering (irritate gastric capacity 1.0ml/100gbw) of thing, irritate stomach and give 4 hours at interval for twice by 5000mg/kgbw.Observed 14 days record poisoning manifestations and death condition continuously.
Test-results: do not find in the observation period that obvious toxicity symptom and none death appear in the examination mouse.So female, great and mighty or powerful mouse acute oral toxicity LD
50＞5000mg/kgbw.
Evaluation of result: according to table acute oral toxicity grade scale in the disinfection technology standard, the nontoxic level in the true border of veridian rat acute per os toxicity of the present invention.
(2) disposable intact skin irritant test
Tried thing: " veridian of the present invention " is green powder.
Laboratory animal: 3 of the big ear rabbits of male Japan are provided by The Fourth Military Medical University's Experimental Animal Center.Body weight 2.0kg, one-level animal (SCXK (army) 2007-007 number).It is the same to raise the source.
Testing circumstance: temperature 19-23 ℃, relative humidity 40%-70%.Animal House qualifier: SYXC (Shan) 2007-005.
TP: tested preceding 24 hours, rabbit back backbone diamond wool is cut, each 3cm * 3cm of unhairing scope.Get and tried a thing 0.5g/ rabbit, veridian of the present invention directly is coated on every rabbit one side skin of unhairing with zero(ppm) water furnishing pasty state, covers with two-layer gauze and one deck zellglas, uses the nonirritant immobilization with adhesive tape again.Opposite side is as blank, and the docile time is 4 hours, removes the residual thing that tried, 1,24,48 h observation local skin response situation after removal is tried thing respectively with warm water after the off-test.The result estimates by skin irritation reaction standards of grading in " disinfection technology standard ".
Experimental result: test-results is seen table 11.
Table 11 veridian of the present invention is to rabbit one whole skin irritation test-results
Conclusion: veridian rabbit skin irritation index of the present invention is 0, and according to skin irritation strength grading standard in " disinfection technology standard ", veridian of the present invention belongs to nonirritant to disposable intact skin stimulus intensity.
Claims (3)
1. the veridian of the urania green of an alternative strong toxicity is characterized in that it is to be processed by following quality proportion raw material:
Chrome Green 99.0min in the said ratio, the bright green powder is PbCrO
4And Fe
4[Fe (CN)
6]
3(NH
4)
4Fe (CN)
6Compsn, factory produces by the bright iron oxide pigment in Shijiazhuang; The peacock orchid ceramic pigment, the green rust powder is ZnO, Al
2O
3, CoO, Cr
2O
3Product after the calcining is produced by the female forever ceramic pigment in Zibo ltd.
2. according to the veridian of the urania green of the described a kind of alternative strong toxicity of claim 1, it is characterized in that wherein processing by following quality proportion raw material:
3. according to the veridian of the urania green of the described a kind of alternative strong toxicity of claim 1, it is characterized in that wherein processing by following quality proportion raw material:
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100231486A CN101597434B (en) | 2009-06-30 | 2009-06-30 | Green pigment for substituting paris green with strong toxicity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100231486A CN101597434B (en) | 2009-06-30 | 2009-06-30 | Green pigment for substituting paris green with strong toxicity |
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|---|---|
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| CN101597434B true CN101597434B (en) | 2012-11-28 |
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|---|---|---|---|
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323719A (en) * | 2007-06-15 | 2008-12-17 | 上海金力泰化工股份有限公司 | Construction curtain wall ceramic |
-
2009
- 2009-06-30 CN CN2009100231486A patent/CN101597434B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323719A (en) * | 2007-06-15 | 2008-12-17 | 上海金力泰化工股份有限公司 | Construction curtain wall ceramic |
Non-Patent Citations (2)
| Title |
|---|
| 范方禄等.市场期待陶瓷色料命名规范化.《山东陶瓷》.2007,第30卷(第1期),38-41. * |
| 董秀珍,俞康泰.陶瓷釉用色料的应用和进展.《中国陶瓷》.2007,第43卷(第10期),5-10. * |
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