CN109880547B - Corn ear-based adhesive and preparation method thereof - Google Patents
Corn ear-based adhesive and preparation method thereof Download PDFInfo
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Abstract
The invention discloses an adhesive based on corn ears and a preparation method thereof, wherein the adhesive comprises the following raw materials in parts by weight: 70-80 parts of modified puffed corn flour, 10-20 parts of softened and modified corn cob powder, 5-10 parts of softened and modified corn seed husk powder and 5-10 parts of kaolin powder. The adhesive is prepared by taking cheap and easily available corn ears as a raw material through a series of preparation processes, is simple in preparation process, green, environment-friendly and easy to popularize, and is large in size, light in specific gravity and smaller in filling amount than wheat flour, so that the raw material cost is directly reduced. The invention not only solves the embarrassment that the addition of wheat flour by the adhesive for increasing the solid content and the viscosity value strives for food, but also solves the difficult point that the cost of the wheat flour used by the artificial board enterprises is high; and the natural roasted flavor of the modified puffed corn flour neutralizes the environmental pain of the formaldehyde smell of the adhesive, so the technical scheme disclosed by the invention has great market application and popularization values.
Description
Technical Field
The invention relates to the technical field of wood-based panels, in particular to an adhesive based on corn ears for wood-based panels and a preparation method thereof.
Background
As is known, wheat flour is used as a precious grain resource, and a tightly balanced national strategic material attracts more and more people to pay attention, so that the grain saving is not a slogan.
According to the statistics of the national association of forestry industries, the production of domestic plywood continues to increase in 2017, wherein the yield of plywood reaches 1.8 billion cubic meters, and 600 million tons of wheat flour are consumed. However, China is few and many people, and wheat flour is used as a precious grain resource and a main grain and is always in a tight balance state, and a large amount of wheat is imported every year. Therefore, how to find a substitute with excellent cost performance is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides an adhesive based on corn ears.
In order to achieve the purpose, the invention adopts the following technical scheme:
an adhesive based on corn ears comprises the following raw materials in parts by weight: 70-80 parts of modified puffed corn flour, 10-20 parts of softened and modified corn cob powder, 5-10 parts of softened and modified corn seed husk powder and 5-10 parts of kaolin powder.
Preferably, the adhesive comprises the following raw materials in parts by weight: 72-78 parts of modified puffed corn flour, 12-18 parts of softened and modified corn cob powder, 6-8 parts of softened and modified corn seed husk powder and 5-8 parts of kaolin powder.
Further, the invention discloses a corn ear-based adhesive which comprises the following raw materials in parts by weight: 75 parts of modified puffed corn flour, 12 parts of softened and modified corn cob powder, 7 parts of softened and modified corn seed husk powder and 6 parts of kaolin powder.
By adopting the technical scheme, the invention has the beneficial effects that:
in the adhesive based on corn ears, firstly, after corn endosperm is modified, the viscosity value, the solubility and the dispersibility of the corn endosperm are superior to those of expanded corn flour for feeds, and are better than those of the traditional food-grade wheat flour; secondly, after the corncobs and the corn husks are softened and modified, the expansibility, the dispersibility, the solubility and the fiber toughness are improved, part of grease of the corncobs and the corn husks is removed, and the affinity after the corncobs and the corn husks are combined with an adhesive is improved; the adhesive disclosed by the invention has the advantages of small density, light specific gravity and smaller filling amount than wheat flour, so that the raw material cost is directly reduced.
Another object of the present invention is to provide a method for preparing an adhesive based on corn ears, which comprises the following steps:
(1) corn ear treatment: threshing corn ears, removing stones and residues, extracting plumule and seed coat to obtain corn endosperm, corn germ, corncob and corn seed coat;
(2) preparing modified puffed corn flour: adding small soda water into endosperm, controlling temperature and pressure, puffing the endosperm, and sequentially cooling, crushing and sieving to obtain modified puffed corn flour A after puffing;
(3) preparing the softened and modified corncob powder: controlling temperature and pressure, steaming the corncobs, and sequentially cooling, drying, crushing and sieving after steaming to obtain softened and modified corncob powder B;
(4) preparing softened and modified corn seed husk powder: adding a softening agent into the corn seed coats, steaming the corn seed coats under the conditions of temperature control and pressure control, and after the steaming is finished, sequentially cooling, drying, crushing and sieving to obtain softened and modified corn seed coat powder C;
(5) selecting and preparing kaolin ore: selecting soft kaolin, crushing the kaolin, and sieving to obtain kaolin powder D;
(6) mixing and stirring: and (3) putting the A obtained in the step (2), the B obtained in the step (3), the C obtained in the step (4) and the D obtained in the step (5) into a stirrer, and stirring to obtain the corn ear-based adhesive.
The beneficial technical effects of adopting the technical scheme are as follows:
the adhesive is prepared by using cheap and easily available corn ears as raw materials through the preparation process, and the preparation process is simple, practical, green, environment-friendly and easy to popularize.
Preferably, the moisture content of the corn ear in step (1) is not more than 14%.
The beneficial technical effects of adopting the technical scheme are as follows: the corn ear water content is limited, so that the corn ear water content separation method is not only beneficial to separation of corn grains and corncobs, but also keeps basic water of each component in the corn ears, and is beneficial to further processing of corn endosperm, corncobs and corn seed coats in the later period.
Preferably, 8-10% of sodium bicarbonate water is added in the preparation of the modified puffed corn flour in the step (2), wherein the ratio of the sodium bicarbonate to the sodium bicarbonate water is 20: 120, and puffing parameters: puffing for 16-19min at 90-130 deg.C under 0.7-0.9Mpa under puffing pressure, and water content of puffed corn flour of 5%, and pulverizing and sieving with 65-110 mesh sieve.
The beneficial technical effects of adopting the technical scheme are as follows: firstly, proper amount of small soda water is added, and proper puffing temperature and puffing pressure are combined, so that the carbonization of corn starch and the smooth and crisp situation of materials in the puffing process are avoided, and the viscosity and viscosity value of the puffed corn flour are ensured;
then, the gelatinization degree of the puffed material is limited, so that the viscosity and viscosity value of the puffed material are ensured; by limiting the volume weight of the puffed material, the addition amount of the adhesive is reduced, and the raw material cost is indirectly reduced. In addition, the particle size is limited, so that the contact area of the components is increased, the components are fully mixed, and the full contact between the filler and the adhesive is improved.
Preferably, in the step (3) of preparing the softened and modified corncob meal, the steaming parameters are as follows: steaming at 80-110 deg.C under 0.6-0.9Mpa for 50-70min, oven drying corncob to water content of 6-8%, and pulverizing and sieving with 65-110 mesh sieve.
The beneficial technical effects of adopting the technical scheme are as follows: the method has the advantages that the steaming temperature, pressure and time are limited, the hardness of the softened and modified corncobs is reduced, the particle size of the corncobs is controlled, the water swelling property, solubility, binding property and fiber toughness of the corncob powder are improved, and the labor consumption and power consumption of a pulverizer are reduced or reduced
Preferably, in the step (4) of preparing the softened and modified corn seed husk powder, the mass of the added softening agent is 1-4% of the mass of the corn seed husk, and the steaming parameter is as follows: the steaming temperature is 110-140 ℃, the steaming pressure is 0.7-1Mpa, the steaming time is 110min, the corn seed coat is dried until the water content is 6-8%, and finally the corn seed coat is crushed and sieved by a 180-fold 270-mesh sieve.
The beneficial technical effects of adopting the technical scheme are as follows: the hardness of the softened corn seed coat is obviously reduced and the toughness is increased by limiting the addition of the softening agent and combining with proper steaming temperature, pressure and time, partial pigment and grease are removed, and the bonding property of the corn seed coat powder which is only used as a filling material and an adhesive is greatly improved by further limiting the particle size of the corn seed coat powder.
Preferably, in the preparation of the kaolin powder in the step (5), the soft kaolin prepared by dry production is selected, the water content of the kaolin is 7-9%, the whiteness of the kaolin is 80-90%, and the soft kaolin is crushed and sieved by a sieve of 250-425 meshes.
The beneficial technical effects of adopting the technical scheme are as follows: firstly, the contact area during gluing is increased by limiting the water content and the particle size of the kaolin, and the gluing strength is increased;
in addition, the kaolin produced by the dry method is selected, so that the whiteness of the kaolin is ensured, the content of sand and stone is reduced, and the filling effect of the adhesive filler is ensured.
Preferably, in the mixing and stirring step in the step (6): a, B, C, D, stirring for 10-20min, filling amount of 55-65%, and critical speed of 0.7-0.9.
The beneficial technical effects of adopting the technical scheme are as follows: by limiting the adding sequence of the materials and the stirring time, the full mixing of all the materials is ensured, and the quality of the final product is ensured.
According to the technical scheme, compared with the prior art, the preparation method of the adhesive based on the corn ears has the following excellent effects:
(1) the invention selects cheap and easily available corn ears as raw materials, reduces the production cost, efficiently utilizes the corn ears and avoids the coupling problem of chemical raw materials and adhesives.
(2) The invention utilizes the characteristic that kaolin powder is insoluble in glue solution and has good suspension property, plasticity, leveling property, viscous concentration and dispersibility, when the veneer is glued, the concave-convex surface of the veneer is added, the contact area during gluing is increased, the gluing strength is increased, and the adhesive force of adhesive fillers is improved.
(3) The preparation process disclosed by the invention is simple, green and environment-friendly, and easy to popularize, and the prepared adhesive has the advantages of small density, light specific gravity and smaller addition amount than wheat flour, so that the raw material cost is directly reduced.
(4) The invention solves the embarrassment that wheat flour added with the adhesive for increasing solid content and initial viscosity strives for food, and also solves the difficult point that artificial board enterprises use wheat flour with high cost; meanwhile, the environmental pain of formaldehyde smell of the adhesive is overcome, so that the technical scheme disclosed by the invention has high market application and popularization values.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a corn ear-based adhesive which is simple and practical in preparation process, green and environment-friendly and easy to popularize and a preparation method thereof, and is suitable for popularization and application.
The present invention will be further specifically illustrated by the following examples for better understanding, but the present invention is not to be construed as being limited thereto, and certain insubstantial modifications and adaptations of the invention by those skilled in the art based on the foregoing disclosure are intended to be included within the scope of the invention.
An adhesive based on corn ears comprises the following raw materials in parts by weight: 70-80 parts of modified puffed corn flour, 10-20 parts of softened and modified corn cob powder, 5-10 parts of softened and modified corn seed husk powder and 5-10 parts of kaolin powder.
The corn ear-based adhesive will be further described below by way of examples.
Example 1
An adhesive based on corn ears comprises the following raw materials in parts by weight: 72 parts of modified puffed corn flour, 14 parts of softened and modified corn cob powder, 6 parts of softened and modified corn seed husk powder and 8 parts of kaolin powder.
Example 2
An adhesive based on corn ears comprises the following raw materials in parts by weight: 70 parts of modified puffed corn flour, 14 parts of softened and modified corn cob powder, 8 parts of softened and modified corn seed husk powder and 8 parts of kaolin powder.
Example 3
An adhesive based on corn ears comprises the following raw materials in parts by weight: 80 parts of modified puffed corn flour, 10 parts of softened and modified corn cob powder, 6 parts of softened and modified corn seed husk powder and 4 parts of kaolin powder.
Example 4
An adhesive based on corn ears comprises the following raw materials in parts by weight: 75 parts of modified puffed corn flour, 12 parts of softened and modified corn cob powder, 7 parts of softened and modified corn seed husk powder and 6 parts of kaolin powder.
The adhesives disclosed in the embodiments 1-4 are used for testing the free formaldehyde content, the solid content, the viscosity and the bonding strength, and finally the adhesive prepared by the embodiment 4 is optimal in performance.
The specific test results are as follows:
end product example 1.
When the raw materials comprise: 72 parts of modified puffed corn flour, 14 parts of softened modified corn cob powder, 6 parts of softened modified corn seed husk powder and 8 parts of kaolin powder. The performance test result data are as follows:
end product example 2.
When the raw materials comprise: 70 parts of modified puffed corn flour, 14 parts of softened and modified corn cob powder, 8 parts of softened and modified corn seed husk powder and 8 parts of kaolin powder. The performance test result data are as follows:
end product example 3.
When the raw materials comprise: 80 parts of modified puffed corn flour, 10 parts of softened modified corn cob powder, 6 parts of softened modified corn seed husk powder and 4 parts of kaolin powder. The performance test result data are as follows:
end product example 4.
The preferred starting materials end up in composition: 75 parts of modified puffed corn flour, 12 parts of softened modified corn cob powder, 7 parts of softened modified corn seed husk powder and 6 parts of kaolin powder. The performance test result data are as follows:
in addition, the invention also discloses a preparation method of the adhesive based on corn ears, which comprises the following steps:
(1) corn ear treatment: threshing corn ears, removing stones and residues, extracting plumule and seed coat, and respectively obtaining corn endosperm, corn germ, corncob and corn seed coat;
(2) preparing modified puffed corn flour: adding small soda water into the corn endosperm prepared in the step (1), puffing the corn endosperm, and then crushing and sieving to obtain modified puffed corn flour A;
(3) preparing the softened and modified corncob powder: steaming the corncobs prepared in the step (1), and then crushing and sieving to obtain softened and modified corncob powder B;
(4) preparing softened and modified corn seed husk powder: adding a softening agent into the corn seed coats prepared in the step (1), steaming the corn seed coats, and then crushing and sieving to obtain softened and modified corn seed coat powder C;
(5) selecting and preparing kaolin ore: selecting soft kaolin, crushing the kaolin, and sieving to obtain kaolin powder D;
(6) mixing and stirring: and (3) mixing and stirring the A obtained in the step (2), the B obtained in the step (3), the C obtained in the step (4) and the D obtained in the step (5) to obtain the corn ear-based adhesive disclosed by the invention.
In order to further optimize the technical scheme, the moisture content of the corn ears in the step (1) is not more than 14%.
In order to further optimize the technical scheme, 8-10% of sodium bicarbonate water is added in the preparation of the modified puffed corn flour in the step (2), wherein the ratio of the sodium bicarbonate to the sodium bicarbonate water is 20: 120, and puffing parameters: puffing for 16-19min at 90-130 deg.C under 0.7-0.9Mpa under puffing pressure, and water content of puffed corn flour of 5%, and pulverizing and sieving with 65-110 mesh sieve.
In order to further optimize the technical scheme, in the step (3) of preparing the softened and modified corncob meal, steaming parameters are as follows: steaming at 80-110 deg.C under 0.6-0.9Mpa for 50-70min, oven drying corncob to water content of 6-8%, and pulverizing and sieving with 65-110 mesh sieve.
In order to further optimize the technical scheme, in the step (4) of preparing the softened and modified corn seed coat powder, the mass of the added softening agent is 1-4% of the mass of the corn seed coat, and the steaming parameters are as follows: the steaming temperature is 110-140 ℃, the steaming pressure is 0.7-1Mpa, the steaming time is 110min, the corn seed coat is dried until the water content is 6-8%, and finally the corn seed coat is crushed and sieved by a 180-fold 270-mesh sieve.
In order to further optimize the technical scheme, in the preparation of the kaolin powder in the step (5), soft kaolin prepared by dry production is selected, the water content of the kaolin is 7-9%, the whiteness of the kaolin is 80-90%, and the soft kaolin is crushed and sieved by a sieve of 250-425 meshes.
In order to further optimize the technical scheme, in the step (6), in the step of mixing and stirring, materials are fed according to the sequence of A, B, C, D, and the stirring time is 10-20 min.
The following will further describe the preparation method of the corn ear-based adhesive with reference to specific examples, and perform performance measurement on the products obtained in each example to highlight the excellent effects of the technical scheme disclosed in the present invention.
Examples 6 to 9
Investigating the influence of adding different proportions of small soda water and controlling the puffing temperature and the puffing time on the performance of the prepared modified puffed corn flour adhesive
Examples 10 to 13
Investigating the influence of the particle size of the modified puffed corn flour on the properties of the final product
Examples 14 to 17
Investigating the influence of steaming temperature on the toughness of the modified corncobs
Examples 18 to 21
Investigating the influence of steaming pressure on the toughness of the modified corncobs
Examples 22 to 24
Investigating the influence of steaming time on the toughness of the modified corncobs
Examples 25 to 28
Investigating the influence of the particle size of the modified corncob powder on the performance of the final product
Examples 29 to 32
Example 1 examination of the Effect of softener addition on the tenacity of modified corn seed coat fibers
Examples 33 to 36
Investigating the influence of steaming temperature on the toughness of modified corn seed coat fiber
Examples 37 to 40
Investigating the influence of steaming pressure on the toughness of the modified corn seed coat fiber
Examples 41 to 43
Investigating the influence of steaming time on the toughness of the modified corn seed coat fiber
Examples 44 to 47
Investigating the influence of the particle size of the modified corn seed husk powder on the performance of the final product
Examples 48 to 51
Investigating the influence of kaolin variety as filler on the adhesive bonding strength
Examples 52 to 55
Investigating the influence of the particle size of the kaolin powder on the performance of the final product
Examples 56 to 59
And (3) inspecting the influence of the feeding sequence, the mixing time, the filling amount and the critical speed of the modified puffed corn flour, the softened and modified corn cob powder, the softened and modified corn seed husk powder and the kaolin powder on the performance of the final product.
The specific operation is as follows:
a preparation method of an adhesive based on corn ears specifically comprises the following steps:
(1) throwing corn ears containing 23% of water into a dryer, and drying at a constant temperature of 45 ℃ to ensure that the water content of corn grains is not more than 14%, and simultaneously ensuring that the drying temperature is not more than 50 ℃ so as to cause the gelatinization and denaturation of corn starch in advance, the viscosity is increased, and part of soluble organic matters are converted into furfural;
(2) conveying the dried corn ears to a thresher, separating corn grains from corncobs, conveying the corn grains to a steel silo by using a scraper conveyor respectively, and conveying the corncobs to a shed bin;
(3) placing corncobs into a horizontal rotatable cooking pot, steaming for 60min at the working pressure of 0.8Mpa and the working temperature of 100 ℃, cooling, discharging, drying until the water content is 7%, crushing, sieving with a 80-mesh sieve to obtain softened and modified corncob powder, conveying to a steel plate silo through a pipeline, and butting the silo with a horizontal double-shaft stirrer through the pipeline;
(4) sending corn seeds into a dry embryo extraction machine, breaking the corn seed structure under the combined action of straightening cutting and centrifugal impact of a beating plate rotor and a toothed plate and collision, friction and the like between the corn seeds, reducing the bonding strength of corn seed coats, corn germs and corn endosperm, peeling and extracting embryos by a specific gravity separation method and a winnowing method, sending the corn seed coats into a steel silo, and butting the silo with a pipeline to a horizontal rotatable cooking pot; sending corn endosperm into a 304 stainless steel silo, and butting the silo with a single-screw wet-process bulking machine through a pipeline; sending the corn germ into a 304 stainless steel silo, butting the silo with an automatic packaging line, and directly packaging and selling according to a finished product;
(5) loading corn seed coats into a horizontal rotatable cooking tank, spraying 3% of softener, steaming at 130 ℃ under the working pressure of 0.9Mpa for 105min, cooling, discharging, drying to water content of 7%, crushing, sieving with a 250-mesh sieve to obtain softened and modified corn seed coat powder, conveying the softened and modified corn seed coat powder to a steel silo through a pipeline, and butting the silo with a horizontal double-shaft stirrer through the pipeline;
(6) sending the crushed corn endosperm into a single-screw wet-process puffing machine, adding 9% sodium bicarbonate water into the puffing machine, wherein the working pressure is 0.8Mpa, the puffing temperature is 100 ℃, the puffing time is 17min, then crushing and sieving by a 100-mesh sieve to obtain modified puffed corn flour, then conveying the modified puffed corn flour to a 304 stainless steel silo through a pipeline, and butting the silo to a horizontal double-shaft stirrer through the pipeline;
(7) conveying kaolin with the particle size of 325 meshes, the water content of 8% and the whiteness of 85% to a built-in stirring 304 stainless steel conical bin, butting the bin with a horizontal double-shaft stirrer, mixing the kaolin with other three materials according to the components for 15min, uniformly stirring to obtain a finished product, and butting the stirrer with a full-automatic packaging line.
The adhesive prepared by the method can eliminate the odor of formaldehyde, has a viscosity value superior to that of wheat flour, and has a filling amount lower than that of the wheat flour. Meanwhile, in the whole production process, the generated noise is not more than 80 decibels, the concentration of grain dust is not more than 9 mg/cubic meter, and the method is harmless to human bodies and environment-friendly.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A preparation method of an adhesive based on corn ears is characterized by comprising the following steps:
(1) corn ear treatment: threshing corn ears, removing stones and residues, extracting plumule and seed coat, and respectively obtaining corn endosperm, corn germ, corncob and corn seed coat;
(2) preparing modified puffed corn flour: adding 8-10% of sodium bicarbonate water into the corn endosperm prepared in the step (1), puffing corn endosperm, then crushing, and sieving by a 65-110 mesh sieve to obtain modified puffed corn flour A; wherein, the ratio of the baking soda to the baking soda water is 20: 120, and puffing parameters: the puffing time is 16-19min, the puffing temperature is 90-130 ℃, the puffing pressure is 0.7-0.9Mpa, and the water content of the puffed corn flour is 5%;
(3) preparing the softened and modified corncob powder: steaming the corncobs prepared in the step (1), then crushing, and sieving with a 65-110-mesh sieve to obtain softened and modified corncob powder B; wherein the steaming parameters are as follows: steaming at 80-110 deg.C under 0.6-0.9Mpa for 50-70min, and softening the modified corn cob powder to water content of 6-8%;
(4) preparing softened and modified corn seed husk powder: adding a softening agent with the mass of 1-4% of the mass of the corn seed coat into the corn seed coat prepared in the step (1), steaming the corn seed coat, then crushing, and sieving with a 180-mesh and 270-mesh sieve to obtain softened and modified corn seed coat powder C; wherein the steaming parameters are as follows: the steaming temperature is 110-140 ℃, the steaming pressure is 0.7-1Mpa, the steaming time is 100-110min, and the water content of the softened and modified corn seed husk powder is 6-8%;
(5) selecting and preparing kaolin ore: selecting soft kaolin which has the water content of 7-9 percent and the whiteness of 80-90 percent and is prepared by dry method production, crushing the kaolin and sieving the crushed kaolin with a sieve of 250-425 meshes to obtain kaolin powder D;
(6) mixing and stirring: feeding the A obtained in the step (2), the B obtained in the step (3), the C obtained in the step (4) and the D obtained in the step (5) according to the A, B, C, D sequence, and mixing and stirring for 10-20min to obtain the corn ear-based adhesive.
2. The method for preparing corn ear-based adhesive according to claim 1, wherein the moisture content of corn ear in step (1) is not more than 14%.
3. The corn ear-based adhesive prepared by the method of claim 1, which is characterized by comprising the following raw materials in parts by weight: 70-80 parts of modified puffed corn flour, 10-20 parts of softened and modified corn cob powder, 5-10 parts of softened and modified corn seed husk powder and 5-10 parts of kaolin powder.
4. The corn ear-based adhesive according to claim 3, which is characterized by comprising the following raw materials in parts by weight: 72-78 parts of modified puffed corn flour, 12-18 parts of softened and modified corn cob powder, 6-8 parts of softened and modified corn seed husk powder and 5-8 parts of kaolin powder.
5. The corn ear-based adhesive according to claim 3 or 4, which is characterized by comprising the following raw materials in parts by weight: 75 parts of modified puffed corn flour, 12 parts of softened and modified corn cob powder, 7 parts of softened and modified corn seed husk powder and 6 parts of kaolin powder.
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| CN111269693A (en) * | 2019-12-31 | 2020-06-12 | 河南省中凌煜新材料科技有限公司 | Adhesive and production method thereof |
| CN113004831A (en) * | 2021-03-17 | 2021-06-22 | 承德隆宏生物科技有限公司 | Filling material capable of releasing negative oxygen ions and replacing flour artificial board glue |
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| JP5871914B2 (en) * | 2010-06-07 | 2016-03-01 | ダウ グローバル テクノロジーズ エルエルシー | Method for preparing a stable dispersion of starch particles |
| CN103897629A (en) * | 2014-04-14 | 2014-07-02 | 陆青 | Expanded starch adhesive |
| CN106520039A (en) * | 2016-11-29 | 2017-03-22 | 广西大学 | Wood adhesive |
| CN108977119A (en) * | 2018-08-08 | 2018-12-11 | 阜南盛原木业有限公司 | A kind of glued board filler capturing free formaldehyde |
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