1488results about How to "No irritating smell" patented technology

The invention relates to a liquid accelerator for shotcrete and a method for preparing the same. The liquid accelerator is prepared from the following components in percentage by weight: 25 to 70 percent of aluminum sulfate, 0 to 8 percent of metal fluoride, 1 to 10 percent of amine substance, 0.5 to 7 percent of pH regulator, 0.01 to 1 percent of thickening agent, and the balance being water. The method for preparing the liquid accelerator comprises the following steps: firstly, dissolving the fluoride into the water; secondly, adding the amine substance to the mixture and heating the solution to a temperature of between 40 and 80 DEG C; thirdly, adding the aluminum sulfate to the solution to perform heat preservation reaction until the solution becomes a uniform liquid; and fourthly, adding the pH regulator and the thickening agent to the uniform liquid and stirring the mixture evenly to finally obtain a uniform liquid substance which is the liquid accelerator for the shotcrete. The liquid accelerator is free from corrosion, has no penetrating odor, has good storage stability so that the phenomena of deposition, crystallization and the like do not appear after the storage of more than 6 months at a temperature of between 0 and 35 DEG C, and does not influence the effect in practice. Using the liquid accelerator with lower mixing proportion (5 to 8 percent), cement can be initially set within 4 minutes and finally set within 10 minutes, and the strength of cement mortar within one day is more than 10 MPa and the storage rate of the strength within 28 days is more than 100 percent.

The invention discloses an alkali-free liquid setting accelerator which is prepared from the following components by weight percent: 18-40% of hydroxycarboxylic acid, 1-5% of phosphoric acid, 15-30% of aluminium hydroxide, 0-5% of alkylol amine, 0.01-0.2% of defoaming agent and the balance water. The alkali-free liquid setting accelerator of invention does not contain alkali metal ions, sulfate ions and other corrosive materials, is safe to use and has no bad effect on the durability of sprayed concrete, thus being capable to be used in the construction of sprayed concrete.

The invention discloses a nutritional health bread rich in wheat bran dietary fiber and a preparation method of the nutritional health bread. The bread is light brown, full in appearance, smooth in surface and normal in size, and does not have cracks and is not deformed. The internal structure is uniformly spongy, fine, soft and flexible, and the bread has light fresh scent and sweet taste of wheat bran, does not have pungent smell, and is good in palatability. The bread has the advantages as follows: 1 the dietary fiber prepared from the raw material of wheat bran through compound enzymolysis is added into the bread, and the dietary fiber has the functions of moistening lung, moisturizing skin, preventing and resisting cancer, strengthening the spleen and harmonizing the stomach, blackening and strengthening hair and clearing intestines and stomach, so that the nutrition and functionality of the nutritional bread are improved; 2 the bran is soaked, washed and rinsed so as to remove protein, starch and phytic acid, so that the palatability of the bread is improved; 3 the water-soluble dietary fiber is added in raw materials of the bread, so that the rheological property and nutritional property of the bread are changed, and the nutrition arrangement of the bread is scientific and reasonable.

The invention discloses a multipurpose aqueous adhesive, which comprises the following parts: 10-35% thermoplastic rubber or emulsion, 0. 5-35% solvent, 28-45% emulsion, 20-80% viscosifying resin or its emulsion, 0. 5-5% functional adjuvant and 1-20% water. The making method comprises the following steps: putting the solvent into autoclave; stirring at middle speed and adding thermoplastic rubber and its modifying product until dissolving completely; or putting into copolymerized rubber emulsion directly; stirring to add the viscosifying resin or the viscosifying resin in the invention; blending evenly; adding emulsion; fetching the sample to test the viscosity; adding fitful quantity of water and corresponding functional adjuvant according to the purpose and viscosity; dispersing at high speed until even condition; cooling; filtering; packing; obtaining the product for shoe-making, hand pocket and decorative aspect with low cost.

The invention discloses a printing strippable protective ink, and a preparation method and application thereof. The ink comprises the following components in parts by weight: 50-80 parts of thermoplastic film-forming resin, 20-50 parts of low-viscosity plasticizer, 1-10 parts of filler and pigment, and 1-3 parts of functional assistant. The printing strippable protective ink has 100% solid rate, does not volatilize any solvent, is a green environment-friendly material, and satisfies the increasingly higher ecological environmental requirements. The ink has the advantages of no irritating smell, moderate viscosity and no voids, is not sticky to the printing screen, and is easy for printing operation; the ink can form a film by thermosetting at medium / low temperature, so the energy consumption is low; the thermosetting film has high flexibility, favorable heat resistance, favorable insulativity and favorable acid / alkali resistance, and effectively solves the influence on the resistance when etching the circuit on a transparent conductive film with acid and alkali in the touch screen manufacturing process; and after the conductive film protecting technique is finished in the touch screen manufacturing process, the protective ink layer can be easily stripped, and does not leave any residue, thereby effectively solving the problem of protection of the conducting film in the existing touch screen manufacturing process.

The invention discloses an environmentally-friendly amine cationic collector and a using method thereof. The collector ZJ is ester group-containing quaternary ammonium salt cationic surfactant and has a plurality of alkyl groups, wherein an R alkyl group has 6 to 18 carbon atoms; an R1 alkyl group has 1 to 4 carbon atoms; the number of ester groups is 1 or two; and the number of the quaternary ammonium group is 1. The collector is obtained by esterification and quaternarization. As a hydrophobic chain has a carbonyl structure, the collector can hydrolyze easily into nonsurfactant fragments, and is a surfactant with high biodegradability, small toxicity and high performance. The collector is used in ore flotation for the first time and demonstrates high collecting capacity and selectivity.The collector forms fine and fragile foam that is low temperature resistant. The collector can be used under the condition that the pH value of ore pulp is 7 without corroding equipment. The preparation process of the collector is simple and easy in operation. And the collector is easy to biodegrade and is environmentally-friendly.

This invention relates to a core-shell polystyrene-acrylate copolymer emulsion, which comprises: emulsifiers 0.2-1.5 wt.%, monomers 45-55 wt.%, initiator 0.1-0.3 wt.%,, pH regulator 0.1-0.2 wt.%, and deionized water as balance. The emulsifiers are two or three of anionic emulsifier, nonionic emulsifier and functional allyloxy hydroxypropyl sulfonate emulsifier. The monomers are soft monomer, hard monomer and functional silane monomer containing epoxy groups and oxy groups. The solid content of the emulsion is 48-52%, the glass transition temperature of the core is 25-35 deg.C, and the glass transition temperature of the shell is (-5)-5 deg.C. The emulsion has such advantages as high wet adhesivness of the coating film and high washing resistance of the coating film.

The present invention discloses a liquid high-effective disinfectant. It is formed from (wt%) 1-2% of hyamine which is the mixture of alkyl dimethyl benzyl ammonium chloride and dialkyl dimethyl ammonium chloride, 0.1-0.5% of biguanide which is one of chlorhexidine and polyhexamethylene biguanide salt or their mixture, 3-8% of aldehyde which is one of glutaraldehyde, citrial, jasminal and myristic aldehyde or mixture of more than two kinds of them, 5-10% of surfactant, 1-5% of urea, 40-50% of hydrophilic solvent, 0.1% of EDTA sodium salt, 2.5-35% of water and 0-3% of selectable components, such as aromatic compound, colouring matter and viscosity-regulating agent.

A lining material of tundish for conticasting is prepared from 6 primary raw materials including sintered magnesium sand, electrosmelted magnesium sand, forsterite, light forsterite, etc and 9 secondary raw materials including water glass, sodium tripolyphosphate, dextrin, starch, etc through proportionally mixing, stirring, loading in mould, vibrating, baking at 150-400 deg.C and demoulding.

The invention aims to provide a modified sodium silicate binder for a cold core box and a preparation method thereof. The binder has the advantages of wide raw material sources, no toxicity or smell and good mechanical property and is applicable to mechanized core manufacture of the cold core box and manual core manufacture. The modified sodium silicate binder comprises the following chemical compositions in percentage by mass: 20 to 30 percent of SiO, 10 to 20 percent of Na2O, 0.5 to 19 percent of K2O, 1.0 to 20 percent of modifier and the balance of water, wherein the modifier can be aluminium hydroxide and / or zinc hydroxide, or one or more of amylin, sugar, molasses, polyacrylamide, sodium polyacrylate, sodium tripolyphosphate, cellulose, humic acid, sodium humate, sorbierite, xylitol and sodium silicate are added.

The present invention relates to the preparation process of dry vibrating material for middle ladle. The dry vibrating material is prepared with magnesite or forsterite in 85-97 wt% and sodium metasilicate in 3-15 wt%, and through mixing, vibration forming, stoving at 100-400 deg.c and demolding. The magnesite or forsterite is graded with 0.088-2 mm components in 80-90 wt% and 0.088 mm below components in 10-20 wt%. The present invention adopts non-toxic, smell-less and harmless sodium metasilicate as bonder, so that the dry vibrating material may be low temperature smelted during the stoving process to polymerize constantly to raise strength. The dry vibrating material has no carbon increment to the molten steel, high corrosion resistance, easy degradation and environment friendship.

The invention discloses a halogen free environment-friendly cleaning agent, consisting of the following materials by weight: 5-10 percent of C9-C12 isoparaffin, 1-8 percent of degreasing agent, 5-12 percent of binary alcohol ether, 1-5 percent of non-ionic surfactant and the balance alkyl alcohol. The invention has the beneficial effects that the halogen free environment-friendly cleaning agent has excellent cleaning capability of cleaning the residual soldering flux on circuit boards in the electronics industry, has rapid cleaning speed, moderate volatilization speed and non-toxicity, is halogen free, has non pungent smell and no harm to the human body, and the cleaned board can not become white and has no water mark. The invention has no pollution to the atmospheric environment, is a cleaning agent with high cleaning capability and high environment protection.

The invention discloses a reducing agent for dyeing reduced dyes, belonging to the technical field of printing and dyeing technologies for textiles. The reducing agent consists of the following raw materials in percentage by mass: 5-10 percent of thiourea dioxide, 5-30 percent of sodium hydrosulfite 10-40 percent of reducing sugar type substances and 20-50 percent of salt. The reducing agent disclosed by the invention can effectively replace the sodium hydrosulfite to be used for dyeing of the reducer dyes and indigo dyes, the reduced dye leuco is long in existence time and slight in environment pollution, and the price of the dye leuco is superior to that of the sodium hydrosulfite. Moreover, the thiourea dioxide contained in the reducing agent for dyeing reduced dyes disclosed by the invention can be completely biodegraded, is high in reducing capacity, can effectively reduce the dyes into leuco, does not have a pungent smell and belongs to an environment-friendly substance; the reducing sugars refers to substances existing in the nature and have a certain reducing property, and the overall reducing capacity can be maintained and last for a long time; and moreover, according to salt substances, the stability of the components of the whole reducing agent can be enhanced.

The invention relates to a foaming agent used in ultra-low density anti-seepage foamed concrete, and a preparation method thereof. The foaming agent comprises components of, by mass: 8 to 18 parts of sodium polyoxyethylene fatty alcohol sulfate, 0.1 to 7 parts of sodium dodecylsulfate, 0.5 to 7 parts of sodium dodecylbenzene sulfonate, 4 to 15 parts of pure acrylic emulsion or styrene-acrylate emulsion, 3 to 6 parts of fatty alcohol polyoxyethylene ether, 0.5 to 2 parts of hydroxyethyl cellulose or hydroxy propyl methylcellulose, 0.1 to 5 parts of modified silicon resin or modified nano-gradebentonite, 0.1 to 0.5 parts of a thickener, and balance of water. The anti-seepage foamed concrete foaming agent provided by the invention has stable property, high foaming multiple, and good workability with a substrate. The agent can be used in a foamed concrete product with a density of 100 to 600kg / m<3>. The raw materials are easy to obtain, and the cost is low. The foaming agent can be stored for a long term with out deteriorating. With the agent, foamed concrete properties such as strength and softening coefficient can be improved.

The invention discloses an environment-friendly deposited carbon cleaning agent and a preparation method thereof. The deposited carbon cleaning agent is made of raw materials by mass percent: 1-20% ofinorganic alkaline, 1-10% of block polyether surface active agent, 1-10% of fatty alcohol-polyoxyethylene ether, 0.1-10% of esters solvent, 0.1-10% of cosolvent, 0.1-10% of monocyclic dibasic acid and less than or equal to 90% of water. The preparation method comprises: adding the metered tap water and inorganic alkaline into a reaction kettle, stirring until the inorganic alkaline is completelydissolved; then, sequentially adding the fatty alcohol-polyoxyethylene ether, the monocyclic dibasic acid, the block polyether surface active agent, the cosolvent and the esters solvent, stirring for10min when adding one material every time, and finally, stirring the mixed solution to be transparent.

The invention discloses a cleaning agent for a silicon wafer of a photovoltaic cell and a preparation method for the cleaning agent. The cleaning agent mainly comprises potassium hydroxide, sodium carbonate, sodium silicate, sodium borate, diethylenetriamine pentaacetic acid, sodium dodecyl benzene sulfonate, C12 / C18 fatty alcohol-polyoxyethylene ether, C13 / C15 straight-chain carbonyl alcohol oxyethylene ether, tetramethylammonium hydroxide, a triethanolamine oleic soap, deionized water and the like. The cleaning agent is alkaline, is used in a one-component mode, has good decontamination andcleaning performance, does not have any pungent smell, has a long using period, can effectively remove surface grease generated by linearly cutting monocrystalline silicon, metal impurities in silicon wafers, and dust and other particles which are adhered to the surfaces of the silicon wafers, and is non-corrosive to the silicon wafers; organic solvents and phosphorus additives are not contained;the pH value of a working solution is 9 to 11; the cleaning rate is up to 99 percent; and the cleaning process is simple. Compared with the traditional silicon wafer cleaning agent, the cleaning agent has the advantage that the unit cost is reduced by 60 percent.

The invention relates to a silicon wafer degumming agent, which comprises, by weight, 20-60% of an organic acid, 0.5-5% of a surfactant, 5-40% of an organic solvent, 15-75% of water, 0-2% of a corrosion inhibitor, and 0-2% of an antifoaming agent. The present invention provides the silicon wafer degumming agent with characteristics of rapid degumming, no irritating odor, low cost, weak corrosion, effective reduction of wafer and edge breaking rate, and provision of excellent pre-washing effect for the next washing step so as to solve defects of poor degumming effect, high degumming cost, and strong corrosion of the existing degumming agent.

The invention relates to an odorless ultraviolet-curing wood lacquer and a preparation method thereof. The wood lacquer is prepared from the following components in percentage by weight: 45-65% of ultraviolet-curing resin, 10-25% of reactive monomer, 5.0-15% of talcum powder, 5.0-15% of transparent powder, 0.5-1.0% of gas-phase silicon dioxide, 1.0-5.0% of photoinitiator, 0.2-0.5% of defoaming agent, 0.2-1.0% of leveling agent and 0.2-1.2% of wetting agent. The odorless ultraviolet-curing wood lacquer does not have irritating odor before and after construction, does not contain benzene, and can be used immediately after construction; and meanwhile, the surface effect and fullness are not inferior to those of nitrocellulose dope, unsaturated paint or polyester paint.

The invention discloses a water-borne white board pen ink capable of being wiped dryly or with wiping agent and the wiping agent thereof. The ink mainly comprises distilled water, film-forming resin, flatting agent, sulfate, castor oil, interfacial agent, color-developing agent, drier and isothiazolinone. The ink is equipped with a special wiping agent. The white board ink uses water as solvent and colorant which reacts with reducer at normal temperature and voltage and is decolorized as the color-developing agent. The handwriting can be wiped dryly in a physical wiping manner and with the wiping agent in a chemical reaction wiping manner. The invention has the advantages of saving energy, environmental protection, no poison and pungent smell, easy writing and wiping, simple manufacture technology, low use cost and stable performance after long-term placement. The ink does not leak into the board face and cause pollution even after long-term use.

The invention discloses an aqueous adhesive and a preparation method thereof. The aqueous adhesive is prepared by taking an EVA DA-103 emulsion and a PU DISEPRCOLL U54 emulsion as main raw materials, taking CaCO3 as a filling material, taking polyvinyl alcohol as a thickening agent and adding fewer additives according to a reasonable proportion. The aqueous adhesive disclosed by the invention does not contain an organic solvent, has no pungent odors and is green and environmentally-friendly; and the aqueous adhesive has the advantages of strong adhesion strength, short curing time, excellent construction performance, excellent water resistance, moderate cost and strong market competitiveness. Therefore, the production and the application of the aqueous adhesive are propelled, and the aqueous adhesive and the preparation method thereof have an application value and an economic value.

The invention discloses a compound irrigation fertilizer for solanaceous vegetables and an applying method thereof. The fertilizer is prepared from the following raw material components in percentage by weight: 30-38 percent of urea, 0-10 percent of monopotassium phosphate, 0-13 percent of potassium nitrate, 10-15 percent of potassium humate, 0-10 percent of magnesium sulfate heptahydrate, 20-40 percent of potassium sulfate, 0-15 percent of monoammonium phosphate, 0.1-0.2 percent of compound sodium nitrophenolate, 0.1-0.3 percent of boric acid, 0.05-0.15 percent of sodium naphthalene acetate and 0.5-2 percent of amino acid chelated zinc, manganese, copper and iron. The fertilizer can fully supply nutrients so as to meet the nutrition requirement on the solanaceous vegetables, and contains humic acid, amino acid, macro elements, medium elements, trace elements and the like. The irrigation fertilizer contains sodium naphthalene acetate serving as a rooting agent and compound sodium nitrophenolate serving as a synergistic agent, so that the root activity can be facilitated, soil is improved, fertilizer absorption is enhanced, and a quick and long fertilizer effect is achieved. High-quality raw materials without irritant odor are selected carefully, precipitates and irritant odor are not produced when the fertilizer is applied along with water, absorption is facilitated, and the utilization ratio of the fertilizer is increased. Prematurity and precocity fruiting of the solanaceous vegetables can be facilitated, reproductive differentiation is accelerated, the commodity value of the solanaceous vegetables is increased, and the yield of the solanaceous vegetables can be increased by 35-35 percent.

The invention discloses a high-performance aqueous adhesive composition for gum application in an artificial lawn. The adhesive composition can remarkably improve drawing force, reduce the use amount of gum substantially and reduce cost. The high-performance aqueous adhesive composition for gum application in the artificial lawn comprises the following compositions in portion by weight: 100 portions of carboxylic styrene butadiene latex, 5 to 60 portions of tackifying resin, 50 to 400 portions of filler, 0 to 5 portions of thickening agent and 0 to 3 portions of paint; and the portion of water is used to adjust the viscosity of an adhesive composition system between 5,000 and 50,000 MPa.s.

The invention discloses a water-based cleaning agent, which comprises the following components in percentage by mass: 1 to 3 percent of sodium tripolyphosphate, 2 to 4 percent of disodium hydrogen phosphate, 0.5 to 1 percent of borax, 2 to 4 percent of nitrobenzoic acid, 0.5 to 2 percent of sodium hydroxide, 1 to 4 percent of surfactant, 2 to 5 percent of polyethylene glycol, 13 to 15 percent of triethanolamine, 0.01 to 0.1 percent of defoamer and the balance of water. The water-based cleaning agent is high in cleaning capacity of greasy dirt, avoids generating a large amount of foam in the cleaning process, is suitable for full-automatic cleaning and ultrasonic cleaning, has the good protective effect on cleaning machines, does not contain inflammable and explosive ingredients, is used safely, does not have influence on human bodies and does not pollution on environment.

The invention relates to a low-toxicity mannich base compound for preparing an acidizing corrosion inhibitor. A molecular formula of the compound is shown in the specification. The invention also relates to a mannich acidizing corrosion inhibitor prepared by using the mannich base compound, and further relates to a mannich synergistic acidification corrosion inhibitor formed by the mannich acidizing corrosion inhibitor and a halide ion synergist in a compounding manner. In addition, the invention relates to a preparation method of the mannich acidizing corrosion inhibitor. A formula of the mannich acidizing corrosion inhibitor is prepared from a main mannich acidizing corrosion inhibitor, an organic solvent, a surfactant, a corrosion additive and a solvent in the compounding manner. The invention further relates to a method for preparing the mannich synergistic acidification corrosion inhibitor by using the method. By adopting the mannich base compound, the acidizing corrosion inhibitor and the preparation method thereof, the problems that the corrosion inhibitor product in the prior art is serious in pollution, high in cost, and unstable in performance are solved.

The invention belongs to the lubricant field, in particular relating to copper and copper alloy cold rolling emulsifying oil with good stability and a manufacturing method thereof. The compositions by weight percentage are as follows: 60 to 70 percent of neutral machine oil, 4 to 6 percent of palm oil, 3 to 6 percent of sulfurized castor oil, 6 to 9 percent of Arlacel-80, 4 to 7 percent of Tween-60, 1 to 3 percent of oleic acid, 1 to 2 percent of trolamine, 3 to 6 percent of sodium alkane sulfoate with 35 to 45 percent of active matter, 1 to 3 percent of tricresyl phosphate, and 0.01 to 0.1 percent of benzotriazole. The emulsifying oil is produced through the method of stepping, adding and stirring, and heating. When the emulsifying oil is diluted into emulsified liquid with a volume concentration between 1 and 8 percent by water, the emulsified liquid can be directly used for machining processes such as cold rolling of sheet materials and belt materials and the drawing of rod materials of copper and copper alloy and so on. The emulsifying oil has high product surface finish, long anti-corrosion period, good cleanliness of annealing surfaces, no toxicity, no pungent smell, convenient operation, and low cost.

The invention relates to the technical field of paint compositions, particularly relates to the technical field of waterborne antirust paint, and particularly discloses special anticorrosion water paint for a steel structure. The special anticorrosion water paint comprises a base material, an assistant and a pigment filler, wherein the base material is prepared by blending 30-40% of a waterborne epoxy modified acrylic emulsion and 10-15% of a waterborne one-component self-crosslinking fluorinated siloxane-acrylate emulsion in percentage by weight; the assistant comprises a neutralizer, deionized water, a wetting dispersant, a defoaming agent, a coalescing agent, an antiflash rusting agent, a thickener and an anti-settling agent. The invention further discloses a preparation method of the anticorrosion water paint, and the anticorrosion water paint is prepared by adding and blending the components step by step. The anticorrosion water paint does not use an organic solvent, does not contain toxic heavy metals, is non-toxic, has no pungent odor, is harmless to a human body, does not pollute the environment, and is also excellent in anticorrosive property, water fastness and water tolerance.

The invention relates to an ice lolly with base materials added with sweet potato powder, wherein, every 1000 weight portions of the base materials contains 50 to 80 weight portions of milk powder, 110 to 210 portions of sweetener, 20 to 70 portions of sweet potato powder, 40 to 90 portions of oil, 1 to 5 portions of emulsification stabilizer and the rest is water. The sweet potato powder is cheap, full of nutriments, rich in cellulose, pectin and protein and can replace part expensive raw materials, guarantees the protein content of the ice lolly to meet the requirements and improves the nutritional value of the ice lolly. The sweet potato powder has the advantages of high viscosity and no irritative odor and can obviously improve the taste of the ice lolly when being added into the base materials of the ice lolly. The ice lolly makes use of the sweet potato powder as the raw material to produce the ice lolly with low cost, good taste and rich nutrition and meets the requirements of controlling cost for manufacturing enterprises and searching nutrition for customers.

The invention relates to a modified aluminate low-alkali liquid quick-setting agent which is prepared by adopting the following steps: 1) preparing a modifier: preparing the modifier by the followingraw materials according to the proportion by weight: 10-40% of silicate, 5-20% of carbonate and the balance of water; 2) preparing alkali metal aluminate solution as follows: preparing the alkali metal aluminate solution by the following raw materials according to the proportion: 20-35% of alkali metal hydroxide, 30-45% of aluminum hydroxide and the balance of water; and 3) preparing the quick-setting agent: adding the modifier prepared in the step 1) into the alkali metal aluminate solution prepared in the step 2) by the dripping way, and carrying out shear mixing, wherein, the proportion byweight of the modifier to the aluminate solution is 1:5.5-1:7, water needs to be added while dripping for dissolving a formed gel, and the adding amount of the water is 3.4-6 times of the weight of the modifier. The liquid quick-setting agent disclosed by the invention can particularly shorten the interval between initial setting time and final setting time, thereby having good adaptability to a variety of cement and being widely used in sprayed concrete construction.

The invention discloses a wood additive and making method to solve the problem of low solubility and bad penetrability of boron system compound as wood protective in the water, which is made of 100wt% borate and 0. 1-5wt% composite surface activator. The making method comprises the following steps: 1. blending boric acid and borax evenly to place in the 25-75 deg. c environment to do solid-phased reaction; drying; obtaining the borate; 2. blending the composite surface activator and borate evenly to obtain the wood protective. The invention has the function of preservation, insect protection, termite-resistant, flame-proof and smoke inhibition, which doesn't harm human and animals without influencing the appearance, dynamics and manufacturing property of the wood.