CN1212960A - Dyeing technology for natural stone - Google Patents

Abstract

A process for colouring natural stone material such as granite and marble slabs quickly features use of natural osmotic method and includes dyeing and colour fixation. Its advantages are gay colour, deep and saturated colouring, high resistance against sunlight, corrosion and weathering, and low cost.

Description

A kind of dyeing technology for natural stone

The present invention relates to a kind of dyeing technology for natural stone, particularly relate to and a kind of natural granite, marble slabs are carried out the painted novel process of science.

Natural granite, marble slabs, it is a kind of traditional ideal architecture material, just be applied to the decorating inner and external walls of various buildingss since ancient times and lay ground, along with the progress in epoch and developing rapidly of domestic and international construction industry, mansion, Lou Tang, shop continue to bring out like the mushrooms after rain, decoration grade is more and more higher, and the finishing material of use is also more and more luxurious, and high-quality grouan, marble are still one of first-selected building materials.In recent years, along with improving constantly of people's living standard, grouan, marble finishing have progressively entered family.Utilize natural granite, marble not only can make exquisite artwork, can also make colourful parquets furniture etc., the Application Areas of lithotome more and more widely.

The key factor of weighing grouan, marble value class depends on color.The high-grade stone material that color is gorgeous is loved by all, and the market competitiveness is strong, price multiplication, and low-grade stone material lacks the people makes inquiries and black-and-white flower, look shallow etc.Low-grade stone material is processed equally with high-grade stone material, all will pass through multiple working procedure and just can finish, and that price is compared with high-grade stone material is low many.Majority is low-grade stone material in the lithotome of containing in a large number all over the world at present, and the standing stock of high-grade stone material are less.How deep processing becomes high-grade stone material through science with low-grade stone material, improves the competitive power and the economic benefit in market, make great efforts to satisfy social needs, and be the new problem of stone material industry development research in recent years.

At present domesticly lithotome is carried out painted technology mainly contain following several: the one, the disclosed CN94113040.1 of Chinese patent " granite coloring technique ", this technology is handled the stone material degassing earlier, immersing dye liquor again dyes, then to stone material carry out heat to 300～400 ℃, carry out surface treatment with paraffin wax at last.This method need adopt expensive high pressure vacuum equipment, and investment is big, the cost height, and the production difficulty is big, and general stone material producer does not have economic force goes into operation, the penetration and promotion difficulty, and also the crystalline structure to stone material has destruction in the dyeing course, has influenced the stone material quality.The 2nd, the disclosed CN93112628.2 of Chinese patent " coloring process of natural granite and marble decorative plate ", this technology heats dye liquor earlier, again stone material is put into dye liquor and soaks, and at last stone material is put into fixation liquid fixation treatment.This method need heat by employing equipment, and the dye liquor volatile quantity is big in the processing process, and is seriously polluted, and it is poor to protect chromatic effect.The 3rd, the disclosed CN96118022.6 of Chinese patent " staining technique of natural stone plates for decoration ", this technology adopts the normal temperature and pressure naturally osmotic painted, though without warming-up device, less investment, cost is low, and pattern is various, but still have prescription, the batching reasonable inadequately, operating procedure can not satisfy the requirement of protecting the look fixation, and stone surface after the dyeing and internal color short period of time can shoal, thin out, and shortcoming such as corrosion-resistant and resistance to elevated temperatures is relatively poor.

For overcoming the shortcoming of prior art, the object of the present invention is to provide a kind of dyeing stone prescription and technology unlike the prior art, particularly low-grade grouan, marble are carried out science dyeing and handle, make it to become multicolour and can protect the high-quality high-grade stone material of look fixation.

Purpose of the present invention realizes as follows:

One, choose formula for dye liquor according to following major ingredient and weight percent:

1, dyestuff 8～10%, require color vivid, strong coloring force, and chemical stability is good, and is heat-resisting, corrosion-resistant, the non-water capacity, can fuse with other formula materials is one, forms staining agent.

2, permeate agent 60～70%, require the dissolution in low temperature ability strong, and penetrating quality is good, the dyestuff dissolving can be formed solvent, and rapid osmotic is to the stone material inside configuration.

3, laking agent 12～15%, require to have fixation, Bao Se and hyperchromic multi-functional.

4, photostabilizer 3～5%, and requiring can anti-sunlight, and it is strong to absorb ultraviolet ability, and good light stability can also be anti-oxidant and anti-aging etc.

Two, according to following method preparation dye liquor:

1, about 1/3 permeate agent and dyestuff are put into container 1 and mixed and stir moltenly, form dye solution.

2, about 1/3 permeate agent and laking agent are put into container 2 and mixed and stir moltenly, form fixation solution.

3, about 1/3 permeate agent and photostabilizer are put into container 3 and mixed and stir moltenly, form the light stabilizing solution.

4, be that dye solution, fixation solution and light stabilizing solution are poured in the container 4 with above-mentioned three kinds of solution that prepare, thorough mixing stirs molten, forms dye liquor at last, and it is stand-by to deposit in the container 5 sealing.

Three, carry out dying operation according to following technology:

1, stone material that earlier will be to be dyed carries out the baking first time, makes it to parch.Special stoving oven can be set toast, storing temperature is 100～150 ℃, and storing time is 24～48 hours, takes out under the normal temperature of back and naturally cools to normal temperature.

2, the stone material that will dry is put in and dyes in the pond, dye liquor is poured into dyed the pond, carries out the dyeing first time and promptly slightly dyes, and dyeing time is 16～24 hours, takes out natural drying under the normal temperature of back.

3, will put into stoving oven again through the stone material that slightly dyes and cold is shone and carry out the baking second time, storing temperature is 50～60 ℃, and storing time is 3～5 hours.Take out under the normal temperature of back and naturally cool to normal temperature.

4, will carry out second time dyeing in pond and the dye liquor and promptly carefully dye through slightly dying and reentering dying through the refrigerative stone material, dyeing time be 6～8 hours, takes out natural drying under the normal temperature of back.

5, will be through carefully dying and the stone material of natural drying toasts for the third time again, storing temperature is 50～60 ℃, storing time is 3～5 hours, takes out under the normal temperature of back and naturally cools to normal temperature.

6, will dye that to dye for the third time in pond and the smart dye liquor be that essence is dyed through carefully dying and reentering essence through the refrigerative stone material, dyeing time is 4～6 hours, takes out natural drying under the normal temperature of back.

7, will dye and the stone surface of natural drying carries out paraffin wax and handles through essence, and polish and cut, be processed into the finished product of different size.

For guaranteeing smart for the third time effect of dying, in dye liquor, add photostabilizer 3～5% again, stir the back and form smart dye liquor, put into stone material again and contaminate.

Batching of the present invention, prescription and Technology are advanced unique, and its advantage one is that the stone material color after the dyeing is vivid, and assortment are various, and are highly polished, reach more than 80 gloss unit.High temperature resistantly reach 300 ℃, and acid and alkali-resistance, corrosion-resistant, exposing to the weather drenches with rain does not fade, and performance quality and lithotome compare favourably.The 2nd, guarantee to dye dark, deep and thorough, dye fullly, stone surface and inner short-term can not occur that color is thin out, phenomenon such as shoal.The 3rd, easy and simple to handle, owing to be that the normal temperature and pressure naturally osmotic is painted, guarantee that the crystalline structure and the stone material intensity of stone material any variation can not take place, three-waste free pollution in the production process.The 4th, less investment, last detective, cost is low, high efficiency.

Embodiment 1: prepare 1000 kilograms of " Chinese red " dye liquors and dying operation:

1, by the prescription batching:

Get 700 kilograms of pimelinketone solution, 100 kilograms of mountain degree scholar pigment, 150 kilograms of the clear solvents of modification PT, 50 kilograms of 3212 type photostabilizers.Wherein the dye colour concocting method is: red about 30% is 30 kilograms, and yellow about 65% is 65 kilograms, and black about 5% is 5 kilograms.

2, preparation dye liquor:

With 250 kilograms of pimelinketone solution mix with dyestuff stir molten; Stir 250 kilograms of pimelinketone solution and the clear solvent of modification PT molten; 200 kilograms of pimelinketone solution are mixed with 3212 type photostabilizers stir moltenly, above-mentioned three kinds of mixing solutionss are added fully stir molten formation dye liquor together then, pour in the color pond.

3, dying operation:

Stone material that earlier will be to be dyed is put into baker and was toasted 48 hours under 130 ℃ of temperature, the stone material of having dried is put in dyes the pond and carry out slightly dying the first time, and dyeing time is 24 hours, take out back airing 2 hours, put into baker again and toast, temperature is 50 ℃, time is 3 hours, takes out the back naturally cooling 3 hours.Put into and dye the pond and carry out the second time and carefully dye, dyeing time is 5 hours, cool again the solarization 2 hours after the taking-up, put into essence again and dye the pond and carry out for the third time essence and dye, dyeing time is 4 hours, takes out that the back is cool shone 3 hours, handle stone surface with paraffin wax at last, sanding and polishing cuts into finished product again.

Embodiment 2: 1000 kilograms of preparation " emerald green " dye liquors and dying operation:

Dyestuff by 8% is 80 kilograms and mixes colours: green 80% is 64 kilograms, and yellow 15% is 12 kilograms, and black 5% is 4 kilograms.Other raw materials, prescription and operating procedure are with embodiment 1.

Dyeing least number of times of the present invention three times, otherwise the effect that does not reach dyeing and protect look.For the higher natural granite of hardness ratio, marble, jade etc.,,, also can suitably increase dyeing time and dyeing number of times for guaranteeing dyeing quality because it is slow to advance look speed.To the dyeing of artwork, the post-treatment that can dye earlier also can be processed poststaining earlier.

The equipment that the present invention uses is less, invests also less.Mainly be to build stoving oven and dye the pond.Stoving oven can adopt fire coal, combustion bavin, fuel oil or electric power etc. multiple multi-form, is to improve cured effect and reduce storing time, and stoving oven can adopt the circulating air device.Dye the pond and adopt iron sheet to be welded, add the removable cover sealing, to reduce the volatilization of dye liquor.

Claims (3)

1, a kind of dyeing technology for natural stone is characterized in that:

(1) chooses formula for dye liquor according to following composition and weight percent: dyestuff 8～10%, permeate agent 60～70%, laking agent 12～15%, photostabilizer 3～5%, wherein dyestuff requires to carry out mix and match by different ratios according to different stone materials and distinct colors;

(2) according to following method preparation dye liquor: the permeate agent with about 1/3 and dyestuff are put into container 1 and are mixed and stir the melt into dye solution, permeate agent with about 1/3 and laking agent are put into container 2 and are mixed and stir melt into fixation solution, permeate agent with about 1/3 and photostabilizer are put into container 3 and are mixed and stir melt into light stabilizing solution, dye solution, fixation solution and light stabilizing solution are put into container 4 thorough mixing stir molten formation dye liquor;

(3) carry out dying operation according to following technology:

(a) stone material that earlier will be to be dyed places stoving oven to toast first, and storing temperature is 100～150 ℃, and storing time is 24～48 hours, takes out under the normal temperature of back and naturally cools to normal temperature;

(b) drying and refrigerative stone material are put in dye in the pond, dye liquor is poured into dyed the pond, carry out the dyeing first time and promptly slightly dye, dyeing time is 16～24 hours, takes out natural drying under the normal temperature of back;

(c) will put into stoving oven again through the stone material that slightly dyes and cold is shone and carry out the baking second time, storing temperature is 50～60 ℃, and storing time is 3～5 hours, takes out under the normal temperature of back and naturally cools to normal temperature;

(d) will carry out second time dyeing in the pond and promptly carefully dye through slightly dying and reentering dying through the refrigerative stone material, dyeing time be 6～8 hours, takes out natural drying under the normal temperature of back;

(e) will be through carefully dying and the stone material of natural drying carries out the baking second time again, storing temperature is 50～60 ℃, storing time is 3～5 hours, takes out under the normal temperature of back and naturally cools to normal temperature;

(f) will dye that to dye for the third time in pond and the smart dye liquor be that essence is dyed through carefully dying and reentering essence through the refrigerative stone material, dyeing time is 4～6 hours, takes out natural drying under the normal temperature of back;

(g) will dye and the stone surface of natural drying carries out paraffin wax and handles through essence, and polish and cut into finished product.

2, dyeing technology for natural stone according to claim 1, the preparation that it is characterized in that smart dye liquor are to add photostabilizer 3～5% again to stir and form on former dye liquor basis.

3, dyeing technology for natural stone according to claim 1 and 2 is characterized in that dyeing and baking number of times at least three times.