CN109333724B - Multifunctional water-based bamboo wood protective agent - Google Patents
Multifunctional water-based bamboo wood protective agent Download PDFInfo
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- CN109333724B CN109333724B CN201811585610.7A CN201811585610A CN109333724B CN 109333724 B CN109333724 B CN 109333724B CN 201811585610 A CN201811585610 A CN 201811585610A CN 109333724 B CN109333724 B CN 109333724B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K9/00—Chemical or physical treatment of reed, straw, or similar material
- B27K9/002—Cane, bamboo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2240/00—Purpose of the treatment
- B27K2240/20—Removing fungi, molds or insects
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- Wood Science & Technology (AREA)
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Abstract
The application discloses multi-functional waterborne bamboo wood protective agent, by mass, this multi-functional waterborne bamboo wood protective agent includes zinc oxide 3 ~ 5 parts1-3 parts of basic copper carbonate, 4-6 parts of aloe oil, 1-3 parts of glycerol, 0.4-0.6 part of F127 type PEO-PPO-PEO triblock copolymer, 0.2-0.4 part of low-polymerization-degree polyvinyl alcohol, 0.3-0.5 part of linear low-density polyethylene, 0.1-0.3 part of nicotinamide, 0.05-0.08 part of bifenthrin low-toxicity termite-proof agent and 0.3-0.5 part of sodium chloride; the weight average molecular weight of the polyvinyl alcohol with low polymerization degree is 2.5-3.5 w, and the density of the linear low-density polyethylene is 0.918-0.935 g/cm3It has the advantages of mildew resistance, corrosion resistance and termite resistance.
Description
Technical Field
The invention relates to a multifunctional water-based bamboo wood protective agent.
Background
So far, wood, steel, cement and plastics are still recognized as four major raw materials worldwide. Wood, by its regenerability and environmental compatibility, has an irreplaceable effect on human survival and development.
Bamboo has the characteristics of compact tissue, smooth texture, easy processing, uniform color and the like, is popular with people since ancient times, and is made into various daily necessities, artware and the like. However, the bamboo and wood are easy to mildew, and the mildew can not only make the bamboo and wood lose natural luster, but also reduce the impact toughness. Meanwhile, the hygroscopicity of the bamboo is enhanced, conditions are created for the parasitism of decay fungi, and the use value of the decay fungi is seriously damaged. Therefore, the bamboo and wood mildew-proof treatment has important significance in the bamboo and wood industry. .
Disclosure of Invention
The invention aims to provide a multifunctional water-based bamboo wood protective agent which has the advantage of mildew resistance.
The technical purpose of the invention is realized by the following technical scheme:
a multifunctional water-based bamboo wood protective agent comprises, by mass, 3-5 parts of zinc oxide, 1-3 parts of basic copper carbonate, 4-6 parts of aloe oil, 1-3 parts of glycerol, 0.4-0.6 part of F127 type PEO-PPO-PEO triblock copolymer, 0.2-0.4 part of low-polymerization-degree polyvinyl alcohol, 0.3-0.5 part of linear low-density polyethylene, 0.1-0.3 part of nicotinamide, 0.05-0.08 part of bifenthrin low-toxicity termite-resistant agent and 0.3-0.5 part of sodium chloride; the weight average molecular weight of the polyvinyl alcohol with low polymerization degree is 2.5-3.5 w, and the density of the linear low-density polyethylene is 0.918-0.935 g/cm3。
Preferably, the low-toxicity and low-toxicity compound pesticide comprises, by mass, 4 parts of zinc oxide, 2 parts of basic copper carbonate, 5 parts of aloe oil, 2 parts of glycerol, 0.5 part of an F127 type PEO-PPO-PEO triblock copolymer, 0.3 part of low-polymerization-degree polyvinyl alcohol, 0.4 part of linear low-density polyethylene, 0.2 part of nicotinamide, 0.06 part of bifenthrin low-toxicity termite-proof agent and 0.4 part of sodium chloride; said oligomerizationThe weight average molecular weight of polyvinyl alcohol is 3.0w, and the density of the linear low-density polyethylene is 0.925g/cm3。
Preferably, the low-toxicity and low-polymerization-degree anti-termite agent comprises, by mass, 3-5 parts of zinc oxide, 1-3 parts of basic copper carbonate, 4-6 parts of aloe oil, 1-3 parts of glycerol, 0.4-0.6 part of an F127 type PEO-PPO-PEO triblock copolymer, 0.2-0.4 part of low-polymerization-degree polyvinyl alcohol, 0.3-0.5 part of linear low-density polyethylene, 0.1-0.3 part of nicotinamide, 0.05-0.08 part of bifenthrin low-toxicity anti-termite agent, 0.3-0.5 part of sodium chloride, 0.6-0.9 part of calcium carbonate, 0.3-0.5 part of volcanic ash, 0.2-0.4 part of sodium bicarbonate, 0.3-0.5 part of low-polymerization-degree ammonium polyphosphate and 0.1-0.3 part of polyallylamine hydrochloride; the weight average molecular weight of the low-polymerization-degree polyvinyl alcohol is 2.5-3.5 w, the density of the linear low-density polyethylene is 0.918-0.935 g/cm, and the polymerization degree of the low-polymerization-degree ammonium polyphosphate is 20-40.
Preferably, the anti-termite agent comprises, by mass, 4 parts of zinc oxide, 2 parts of basic copper carbonate, 5 parts of aloe oil, 2 parts of glycerol, 0.5 part of an F127 type PEO-PPO-PEO triblock copolymer, 0.3 part of low-polymerization-degree polyvinyl alcohol, 0.4 part of linear low-density polyethylene, 0.2 part of nicotinamide, 0.06 part of bifenthrin low-toxicity anti-termite agent, 0.4 part of sodium chloride, 0.8 part of calcium carbonate, 0.4 part of volcanic ash, 0.3 part of sodium bicarbonate, 0.4 part of low-polymerization-degree ammonium polyphosphate and 0.2 part of polyallylamine hydrochloride; the weight average molecular weight of the polyvinyl alcohol with low polymerization degree is 3.0w, and the density of the linear low-density polyethylene is 0.925g/cm3And the polymerization degree of the low-polymerization-degree ammonium polyphosphate is 30.
Preferably, the preparation process of the multifunctional water-based bamboo wood protective agent comprises the following steps: mixing zinc oxide, basic copper carbonate, aloe oil, glycerol, F127 type PEO-PPO-PEO triblock copolymer, low-polymerization-degree polyvinyl alcohol, linear low-density polyethylene and sodium chloride according to the formula amount, adding water, stirring and dispersing at 45 ℃, cooling to 30 ℃ after uniform dispersion, adding nicotinamide and bifenthrin low-toxicity termite-proof agent according to the formula amount, and stirring and dispersing uniformly.
Preferably, the preparation process of the multifunctional water-based bamboo wood protective agent comprises the following steps: mixing zinc oxide, basic copper carbonate, aloe oil, glycerol, F127 type PEO-PPO-PEO triblock copolymer, low-polymerization-degree polyvinyl alcohol, linear low-density polyethylene, sodium chloride, calcium carbonate, volcanic ash, sodium bicarbonate, low-polymerization-degree ammonium polyphosphate and polyallylamine hydrochloride according to the formula amount, adding water, stirring and dispersing at 45 ℃, cooling to 30 ℃ after uniform dispersion, adding nicotinamide and bifenthrin low-toxicity termite-proof agent according to the formula amount, and stirring and dispersing uniformly.
The technical effects of the invention are mainly reflected in the following aspects:
the solubility of zinc oxide, basic copper carbonate and bifenthrin low-toxicity termite control agent in water is improved and wrapped in the aloe oil, glycerin, F127 type PEO-PPO-PEO triblock copolymer, low-polymerization-degree polyvinyl alcohol, linear low-density polyethylene and sodium chloride; through the effects of the F127 type PEO-PPO-PEO triblock copolymer, the nicotinamide and the sodium chloride, through the hydrophilic and hydrophobic structures and osmotic pressure regulation of the copolymer, the copolymer gradually passes through protein and lipid parts on the surfaces of the bamboo and wood, and the aloe oil, the glycerin, the nicotinamide and the zinc oxide, the basic copper carbonate and the bifenthrin low-toxicity termite-proof agent wrapped by the aloe oil, the glycerin, the nicotinamide and the nicotinamide enter the bamboo and wood to block the bacterial respiration and interfere the biosynthesis of pathogenic bacteria, so that a good mildew-proof and corrosion-proof effect is achieved, and a good termite-proof effect is achieved;
through the aloe oil, glycerine, low polymerization degree polyvinyl alcohol and the linear low density polyethylene who are detained outside the bamboo wood to bamboo wood surface formation one deck protection film, this protection film is protected bamboo wood, reduction that can be great runs off, prolongs mould proof effect.
Detailed Description
Example 1: a preparation process of the multifunctional water-based bamboo wood protective agent comprises the following steps: mixing zinc oxide, basic copper carbonate, aloe oil, glycerol, F127 type PEO-PPO-PEO triblock copolymer, low-polymerization-degree polyvinyl alcohol, linear low-density polyethylene, sodium chloride, calcium carbonate, volcanic ash, sodium bicarbonate, low-polymerization-degree ammonium polyphosphate and polyallylamine hydrochloride according to the formula amount, adding water, stirring and dispersing at 45 ℃, cooling to 30 ℃ after uniform dispersion, adding nicotinamide and bifenthrin low-toxicity termite-proof agent according to the formula amount, and stirring and dispersing uniformly.
The formula (by mass) of the multifunctional water-based bamboo wood protective agent is as follows: 4 parts of zinc oxide, 2 parts of basic copper carbonate, 5 parts of aloe oil, 2 parts of glycerol, 0.5 part of F127 type PEO-PPO-PEO triblock copolymer, 0.3 part of polyvinyl alcohol with low polymerization degree and weight average molecular weight of 3.0w, and the density of 0.925g/cm30.4 part of linear low-density polyethylene, 0.2 part of nicotinamide, 0.06 part of bifenthrin low-toxicity termite-proof agent, 0.4 part of sodium chloride, 0.8 part of calcium carbonate, 0.4 part of volcanic ash, 0.3 part of sodium bicarbonate, 0.4 part of low-polymerization-degree ammonium polyphosphate with the polymerization degree of 30 and 0.2 part of polyallylamine hydrochloride.
Example 2: the multifunctional water-based bamboo protective agent is different from the embodiment 1 in that the formula (by mass) of the multifunctional water-based bamboo protective agent is as follows: 3 parts of zinc oxide, 1 part of basic copper carbonate, 4 parts of aloe oil, 1 part of glycerol, 0.4 part of F127 type PEO-PPO-PEO triblock copolymer, 0.2 part of polyvinyl alcohol with low polymerization degree and weight average molecular weight of 2.5w and density of 0.918g/cm30.3 part of linear low-density polyethylene, 0.1 part of nicotinamide, 0.05 part of bifenthrin low-toxicity termite-proof agent, 0.3 part of sodium chloride, 0.6 part of calcium carbonate, 0.3 part of volcanic ash, 0.2 part of sodium bicarbonate, 0.3 part of low-polymerization-degree ammonium polyphosphate with the polymerization degree of 20 and 0.1 part of polyallylamine hydrochloride.
Example 3: the multifunctional water-based bamboo protective agent is different from the embodiment 1 in that the formula (by mass) of the multifunctional water-based bamboo protective agent is as follows: 5 parts of zinc oxide, 3 parts of basic copper carbonate, 6 parts of aloe oil, 3 parts of glycerol, 0.6 part of F127 type PEO-PPO-PEO triblock copolymer, 0.4 part of polyvinyl alcohol with low polymerization degree and weight average molecular weight of 3.5w, and the density of 0.935g/cm30.5 part of linear low-density polyethylene, 0.3 part of nicotinamide, 0.08 part of bifenthrin low-toxicity termite-proof agent, 0.5 part of sodium chloride, 0.9 part of calcium carbonate, 0.5 part of volcanic ash, 0.4 part of sodium bicarbonate, 0.5 part of low-polymerization-degree ammonium polyphosphate with polymerization degree of 40 and 0.3 part of polyallylamine hydrochloride.
Example 4: a preparation process of the multifunctional water-based bamboo wood protective agent comprises the following steps: mixing zinc oxide, basic copper carbonate, aloe oil, glycerol, F127 type PEO-PPO-PEO triblock copolymer, low-polymerization-degree polyvinyl alcohol, linear low-density polyethylene and sodium chloride according to the formula amount, adding water, stirring and dispersing at 45 ℃, cooling to 30 ℃ after uniform dispersion, adding nicotinamide and bifenthrin low-toxicity termite-proof agent according to the formula amount, and stirring and dispersing uniformly.
The formula (by mass) of the multifunctional water-based bamboo wood protective agent is as follows: 4 parts of zinc oxide, 2 parts of basic copper carbonate, 5 parts of aloe oil, 2 parts of glycerol, 0.5 part of F127 type PEO-PPO-PEO triblock copolymer, 0.3 part of polyvinyl alcohol with low polymerization degree and weight average molecular weight of 3.0w, and the density of 0.925g/cm30.4 parts of linear low-density polyethylene, 0.2 parts of nicotinamide, 0.05 parts of bifenthrin low-toxicity termite-proof agent and 0.4 parts of sodium chloride.
Comparative example 1: a preparation process of the multifunctional water-based bamboo wood protective agent comprises the following steps: mixing zinc oxide and basic copper carbonate according to the formula ratio, adding water, stirring and dispersing at 45 ℃, and cooling to 30 ℃. The formula (by mass) of the multifunctional water-based bamboo wood protective agent is as follows: 4 parts of zinc oxide and 2 parts of basic copper carbonate.
Comparative example 2: a preparation process of the multifunctional water-based bamboo wood protective agent comprises the following steps: mixing zinc oxide, basic copper carbonate, aloe oil and glycerol, adding water, stirring and dispersing at 45 deg.C, cooling to 30 deg.C, and stirring and dispersing. The formula (by mass) of the multifunctional water-based bamboo wood protective agent is as follows: 4 parts of zinc oxide, 2 parts of basic copper carbonate, 5 parts of aloe oil and 2 parts of glycerol.
Comparative example 3: a preparation process of the multifunctional water-based bamboo wood protective agent comprises the following steps: mixing zinc oxide, basic copper carbonate, aloe oil, glycerol, F127 type PEO-PPO-PEO triblock copolymer and low-polymerization-degree polyvinyl alcohol according to formula ratio, adding water, stirring and dispersing at 45 ℃, cooling to 30 ℃ after uniform dispersion, and stirring and dispersing. The formula (by mass) of the multifunctional water-based bamboo wood protective agent is as follows: 4 parts of zinc oxide, 2 parts of basic copper carbonate, 5 parts of aloe oil, 2 parts of glycerol, 0.5 part of F127 type PEO-PPO-PEO triblock copolymer and 0.3 part of polyvinyl alcohol with low polymerization degree and weight average molecular weight of 3.0 w.
Comparative example 4: a preparation process of the multifunctional water-based bamboo wood protective agent comprises the following steps: mixing zinc oxide, basic copper carbonate, aloe oil, glycerol, F127 type PEO-PPO-PEO triblock copolymer and linear low density polyethylene according to formula ratio, adding water, stirring and dispersing at 45 ℃, cooling to 30 ℃ after uniform dispersion, and stirring and dispersing. The formula (by mass) of the multifunctional water-based bamboo wood protective agent is as follows: 4 parts of zinc oxide, 2 parts of basic copper carbonate, 5 parts of aloe oil, 2 parts of glycerol, 0.5 part of F127 type PEO-PPO-PEO triblock copolymer and 0.925g/cm of density30.4 part of linear low-density polyethylene.
Performance tests were conducted to prepare systems with zinc oxide concentrations of 0.1 wt%, 0.5 wt%, and 5.0 wt%, respectively, and to observe whether the systems were clear. The research finds that: when a system with 0.1 wt% zinc oxide concentration is prepared, the systems of examples 1-4 and comparative examples 1-4 are all in a clear solution state; when a system with 0.5 wt% of zinc oxide is prepared, the systems of examples 1-4 and comparative examples 3-4 are all in a clear state, and the systems of comparative examples 1-2 have obvious precipitates; when a system with 5.0 wt% zinc oxide was prepared, the systems of examples 1-4 were all in a clear solution state, and the systems of comparative examples 1-4 had significant precipitates.
Taking a prepared solution system as a soaking solution, taking distilled water as a blank soaking solution, soaking bamboo wood (collected from Fuyang and Anji county of Zhejiang province, seven-year-old wool is harvested in winter and summer, the specification of the bamboo wood is that the bamboo wood is 200mm long and 40mm wide, the wall thickness of the bamboo wood is 6-8 mm, each bamboo wood is provided with a knot and is dried by air) in the soaking solution, the soaking temperature is 25 ℃, the soaking time is 15min, the soaked bamboo wood is placed in a 40 ℃ blast oven for 12hr, the bamboo wood is randomly grouped into 4-5 blocks in each group, the bamboo wood is placed in a 25 ℃/91% RH environment (the mildewed bamboo chips are placed in the environment) for 60 days, the mildewing condition and the mildewing degree of the bamboo wood are observed, and the mildew resistance is evaluated according to the following standards:
0-intact, almost aseptic silk growth, infection area less than 5%;
1-slight hypha growth exists, and the infection area is within the range of 5-25%;
2, the growth of the mold is moderate, and the infection area is within the range of 25-50%;
3-the mould grows seriously, and the infection area is within 50-75%;
4-mould growth was very severe, with infected areas above 75%.
After grading, obtaining an average grade according to each group of grades according to the weighted average, and obtaining the mildew-proof efficacy according to the following formula: 100- (100 × treatment material average grade/control material average grade).
The test results are shown in table 1. Table 1 shows that the mildew resistance of examples 1-4 and comparative examples 1-4 is improved compared with the blank group, and the mildew resistance of 0.1 wt%, 0.5 wt% and 5.0 wt% systems of examples 1-4 is optimal.
TABLE 1 evaluation of the mildew resistance
The resistance to loss of bamboo treated with a system having a zinc oxide concentration of 0.1 wt% was evaluated with reference to the american wood preservation association standard AWPAE11-07 "standard method for wood preservative loss judgment". The test results are shown in Table 2, where the run-off was not 53.1% for the blank, less than 5% for examples 1-4, and less than 30% for comparative examples 1-4; the examples 1-4 and comparative examples 1-4 had lower bleed rates and improved resistance to bleed compared to the blank, with the examples 1-4 having the best resistance to bleed.
TABLE 2 run-off test
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.
Claims (2)
1. A preparation process of a multifunctional water-based bamboo wood protective agent is characterized by comprising the following steps: mixing 3-5 parts by mass of zinc oxide, 1-3 parts by mass of basic copper carbonate, 4-6 parts by mass of aloe oil, 1-3 parts by mass of glycerol, 0.4-0.6 part by mass of an F127 type PEO-PPO-PEO triblock copolymer, 0.2-0.4 part by mass of low-polymerization-degree polyvinyl alcohol, 0.3-0.5 part by mass of linear low-density polyethylene, 0.3-0.5 part by mass of sodium chloride, 0.6-0.9 part by mass of calcium carbonate, 0.3-0.5 part by mass of volcanic ash, 0.2-0.4 part by mass of sodium bicarbonate, 0.3-0.5 part by mass of low-polymerization-degree ammonium polyphosphate and 0.1-0.3 part by mass of polyallylamine hydrochloride, adding water, stirring and dispersing at 45 ℃, cooling to 30 ℃ after uniform dispersion, adding 0.1-0.3 part by mass of nicotinamide and 0.05-0.08 part by mass of bifenthrin low-toxicity termite-proof agent, and stirring and dispersing uniformly;
the weight average molecular weight of the polyvinyl alcohol with low polymerization degree is 2.5-3.5 w, and the density of the linear low-density polyethylene is 0.918-0.935 g/cm3And the polymerization degree of the low-polymerization-degree ammonium polyphosphate is 20-40.
2. The preparation process of the multifunctional water-based bamboo wood protective agent according to claim 1, characterized by comprising the following steps: mixing 4 parts by mass of zinc oxide, 2 parts by mass of basic copper carbonate, 5 parts by mass of aloe oil, 2 parts by mass of glycerol, 0.5 part by mass of an F127 type PEO-PPO-PEO triblock copolymer, 0.3 part by mass of low-polymerization-degree polyvinyl alcohol, 0.4 part by mass of linear low-density polyethylene, 0.4 part by mass of sodium chloride, 0.8 part by mass of calcium carbonate, 0.4 part by mass of volcanic ash, 0.3 part by mass of sodium bicarbonate, 0.4 part by mass of low-polymerization-degree ammonium polyphosphate and 0.2 part by mass of polyallylamine hydrochloride, adding water, stirring and dispersing at 45 ℃, cooling to 30 ℃ after uniform dispersion, adding 0.2 part by mass of nicotinamide and 0.06 part by mass of bifenthrin low-toxicity termiticide, and stirring and dispersing uniformly;
the weight average molecular weight of the polyvinyl alcohol with low polymerization degree is 3.0w, and the density of the linear low-density polyethylene is 0.925g/cm3And the polymerization degree of the low-polymerization-degree ammonium polyphosphate is 30.
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