CN106634628A - Water glass-based adhesive for straw artificial board and preparation method thereof - Google Patents
Water glass-based adhesive for straw artificial board and preparation method thereof Download PDFInfo
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- CN106634628A CN106634628A CN201611200078.3A CN201611200078A CN106634628A CN 106634628 A CN106634628 A CN 106634628A CN 201611200078 A CN201611200078 A CN 201611200078A CN 106634628 A CN106634628 A CN 106634628A
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- parts
- waterglass
- polyethylene glycol
- straw
- glycol oxide
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J1/00—Adhesives based on inorganic constituents
- C09J1/02—Adhesives based on inorganic constituents containing water-soluble alkali silicates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
Abstract
The invention discloses a water glass-based adhesive for a straw artificial board. The water glass-based adhesive is prepared from the following components in parts by weight: 35-55 parts of water glass, 7-13 parts of polyoxyethylene aqueous solution, 0.04-0.07 part of nonylphenol polyoxyethylene ether (NP-10), 11-24 parts of flexible unsaturated polyester resin, 3.3-7.2 parts of cobalt naphthenate styrene solution, 0.1-0.4 part of silane coupling agent, 3-7 parts of methyl ethyl ketone peroxide, 1-3.5 parts of ammonium polyphosphate, 1-4 parts of basic magnesium sulfate whisker and 0.5-5 parts of nekal. The water glass-based adhesive disclosed by the invention has excellent tackiness for the crushed crop straw and fiber, the maximum internal bonding strength of the straw artificial board can reach 1.13MPa, the maximum static bending intensity reaches 19.76MPa, and the minimum thickness swelling rate of water absorption is only 2.63%.
Description
Technical field
The invention belongs to Artificial Plate Adhesive field, and in particular to a kind of artificial board of straw with waterglass base adhesive and its
Preparation method.
Background technology
The agent of isocyanates gluing and urea-formaldehyde resin adhesive are two the most frequently used class adhesives of artificial board of straw.Isocyanates
Adhesive is respectively provided with higher bonding force to all kinds of stalks, the dimensional stability and machining property of product be good, water-fast,
Formaldehydeless release.But the price of isocyanates gluing agent is significantly larger than urea-formaldehyde resin adhesive, and isocyanates gluing agent
Serious haftplatte phenomenon is easily produced in sheet material hot pressing, to production operation burden is brought, also reduce production efficiency, this
Advantage of the artificial board of straw without free formaldehyde is weakened significantly, have impact on product competitiveness commercially.Urea-formaldehyde resin adhesive
Glutinous agent price is low, there is excellent adhesive property to bamboo and wood material etc., but because there is the material for being unfavorable for gluing on stalk surface, using wood
Traditional urea-formaldehyde resin adhesive of matter wood-based plate, it is difficult to obtain satisfied adhesive effect, and Lauxite usually contains trip
From the toxic compounds such as formaldehyde.Additionally, using the agent of isocyanates gluing or urea-formaldehyde resin adhesive making sheet, being required to higher
Solidification temperature (usually 150 DEG C or so), therefore energy consumption is higher.
The content of the invention
The technical problem to be solved is to overcome the shortcomings of to be mentioned and defect in background above technology, there is provided one
Plant artificial board of straw waterglass base adhesive and preparation method thereof.
To solve above-mentioned technical problem, technical scheme proposed by the present invention is：
A kind of artificial board of straw waterglass base adhesive, is prepared by each component including following weight portion：Water glass
Glass 35-55 parts, polyoxyethylene aqueous solution 7-13 parts, NPE (NP-10) 0.04-0.07 parts, flexible insatiable hunger
With polyester resin 11-24 parts, cobalt naphthenate styrene solution 3.3-7.2 part, silane coupler 0.1-0.4 parts, peroxidating first and second
Ketone 3-7 parts, APP 1-3.5 parts, alkali magnesium sulfate crystal whisker 1-4 parts, pull open powder 0.5-5 part.
Preferably, the mass fraction of polyethylene glycol oxide is 3%-8% in the polyoxyethylene aqueous solution.
Preferably, the cinnamic mass fraction of cobalt naphthenate is 0.5%-2.5% in the cobalt naphthenate styrene solution.
To realize the purpose of the present invention, the present invention also provides a kind of preparation side of artificial board of straw waterglass base adhesive
Method, comprises the steps：(1) by 7-13 part polyoxyethylene aqueous solutions and 0.04-0.07 part NPE (NP-
10) mix, stirring and emulsifying 20-50min obtains polyethylene glycol oxide emulsion；35-55 part waterglass is added dropwise over into the polyoxygenated
In vac emulsion, after completion of dropping, 30-60min is persistently stirred, obtain polyethylene glycol oxide-waterglass complex emulsions；(2) will be by
11-24 part flexible unsaturated polyester resins, 0.1-0.4 part silane couplers, 3.3-7.2 part cobalt naphthenates styrene solution composition
Mixture A be added in polyethylene glycol oxide-waterglass complex emulsions that step (1) is prepared, be well mixed, obtain polyoxy
Change ethene-waterglass-unsaturated polyester resin mixed system；(3) before applying glue, by 3-7 part methyl ethyl ketone peroxides, 1-3.5 parts
The mixture B of APP, 1-4 parts alkali magnesium sulfate crystal whisker and 0.5-5 parts pull open powder composition is added to the polyoxy that step (2) is obtained
In changing ethene-waterglass-unsaturated polyester resin mixed system, it is uniformly mixed, obtains the artificial board of straw water glass
Glass base adhesive.
Polyethylene glycol oxide is the crystalline thermoplastic resin with flexibility and high intensity feature, and itself resistance to bacterium is invaded
Erosion, is difficult corruption, and its solution has at low concentrations very high viscosity, with performances such as thickening, thickening, lubrication, sustained releases,
And it is good with the compatibility of other resins.Unsaturated polyester resin has higher stretching, bending and compressive strength, water-fast, resistance to
Soda acid performance is good, cheap, the advantages of ambient temperature curable.Gathered first with emulsifying technology in the preparation method of the present invention
Ethylene oxide-waterglass complex emulsions；Then the flexible unsaturated polyester resin for being mixed with coupling agent and initiation/crosslinking agent is mixed into
In above-mentioned polyethylene glycol oxide-waterglass complex emulsions, polyethylene glycol oxide-waterglass-unsaturated polyester resin ternary mixing is obtained
System；Before applying glue, curing agent, fire retardant, reinforcing agent, bleeding agent etc. are mixed in above-mentioned triplex mixture system, that is, obtain this
The artificial board of straw of invention waterglass base adhesive.
Compared with prior art, it is an advantage of the current invention that：
(1) waterglass base adhesive of the invention is respectively provided with excellent gluing performance to agricultural crop straw particle and fiber,
The internal bond strength of artificial board of straw reaches as high as 1.13MPa, and the maximum of MOR reaches 19.76MPa, and water sucting thickness is swollen
The minimum of swollen rate is only 2.63%；(2) waterglass base adhesive of the invention and artificial board of straw prosthetic prepared therefrom
Form aldehyde release, environmental-protecting performance and fire resistance are projected；(3) waterglass base adhesive of the invention is capable of achieving at normal temperatures solid
Change, not haftplatte, energy consumption is low；(4) waterglass base adhesive preparation process is simple of the invention, it is easy to which industrialization promotion and production should
With low cost, price is suitable with urea-formaldehyde resin adhesive.
Specific embodiment
For the ease of understanding the present invention, more comprehensively, meticulously retouch to inventing to do herein below in conjunction with preferred embodiment
State, but protection scope of the present invention is not limited to specific examples below.
Unless otherwise defined, all technical terms used hereinafter are generally understood that implication phase with those skilled in the art
Together.Technical term used herein is intended merely to describe the purpose of specific embodiment, is not intended to limit the present invention's
Protection domain.
Unless otherwise specified, various raw material, reagent, instrument and equipment used in the present invention etc. can pass through city
Field is commercially available or can be prepared by existing method.
Embodiment：
Embodiment 1
Artificial board of straw described in the present embodiment waterglass base adhesive, is prepared by each component including following important part
Obtain：35 parts of waterglass；Mass fraction is 3% 10 parts of polyoxyethylene aqueous solution；NPE (NP-10)
0.05 part；11 parts of flexible unsaturated polyester resin；Mass fraction is 1% 3.3 parts of cobalt naphthenate styrene solution；It is silane coupled
0.25 part of agent；3 parts of methyl ethyl ketone peroxide；3.5 parts of APP；1 part of alkali magnesium sulfate crystal whisker；3 parts of pull open powder.
Artificial board of straw waterglass base adhesive described in the present embodiment is prepared via a method which to obtain：
(1) by polyoxyethylene aqueous solution that 10 parts of mass fractions are 3% and 0.05 part of NPE (NP-
10) add in reaction bulb and mix, stirring and emulsifying 35min obtains polyethylene glycol oxide emulsion；35 parts of waterglass are added dropwise over described
In polyethylene glycol oxide emulsion, after completion of dropping, 45min is persistently stirred, obtain polyethylene glycol oxide-waterglass complex emulsions；
(2) by by the ring that 11 parts of flexible unsaturated polyester resins, 0.25 part of silane coupler, 3.3 parts of mass fractions are 1%
The mixture A of alkanoic acid cobalt styrene solution composition is added to polyethylene glycol oxide-waterglass complex emulsions that step (1) is prepared
In, stirring is allowed to be well mixed, and obtains polyethylene glycol oxide-waterglass-unsaturated polyester resin mixed system；
(3) before applying glue, will be by 3 parts of methyl ethyl ketone peroxides, 3.5 parts of APPs, 1 part of alkali magnesium sulfate crystal whisker and 3 parts
The mixture B of pull open powder composition is added to polyethylene glycol oxide-waterglass-unsaturated polyester resin mixed system that step (2) is obtained
In, it is uniformly mixed, obtain the waterglass base adhesive of the artificial board of straw described in the present embodiment.
With maize straw particle as raw material, within 15%, addition accounts for this reality of total amount of material 30wt% to moisture control
The waterglass base adhesive of example preparation is applied, mould is inserted after batch mixing is uniform and is mated formation, compressing using spreader bar at room temperature, lock
Mould 1-4h, makes density for 0.7g/cm3Maize straw flakeboard.Burst size of methanal presses GB18580-2001《Interior decoration material
Material wood-based plate and its product Form aldehyde release limitation》Test is not detected.Internal bond strength, MOR, thickness swelling rate are pressed
GB/T17657-2013《Wood-based plate and decoration panel physicochemical property test method》Test, its value is respectively 0.97MPa, 16.54MPa
With 3.81%.
Embodiment 2
A kind of artificial board of straw waterglass base adhesive, is prepared by each component including following important part：Water glass
40 parts of glass；Mass fraction is 5% 13 parts of polyoxyethylene aqueous solution；0.07 part of NPE (NP-10)；It is flexible
17.5 parts of unsaturated polyester resin；Mass fraction is 0.5% 5.1 parts of cobalt naphthenate styrene solution；Silane coupler 0.1
Part；5 parts of methyl ethyl ketone peroxide；2.3 parts of APP；4 parts of alkali magnesium sulfate crystal whisker；0.5 part of pull open powder.
The artificial board of straw of the present embodiment preparation method of waterglass adhesive, concretely comprises the following steps：
(1) it is 5% polyoxyethylene aqueous solution and 0.07 part of NPE (NP-10) by 13 parts of mass fractions
Add in reaction bulb and mix, stirring and emulsifying 50min obtains polyethylene glycol oxide emulsion；40 parts of waterglass are added dropwise over described poly-
In ethylene oxide emulsion, after completion of dropping, 30min is persistently stirred, obtain polyethylene glycol oxide-waterglass complex emulsions；
(2) will be 0.5% by 17.5 parts of flexible unsaturated polyester resins, 0.1 part of silane coupler, 5.1 parts of mass fractions
The mixture A of cobalt naphthenate styrene solution composition is added to the polyethylene glycol oxide-waterglass complex emulsions of step (1) preparation
In, stirring is allowed to be well mixed, and obtains polyethylene glycol oxide-waterglass-unsaturated polyester resin mixed system；
(3) before applying glue, will be by 5 parts of methyl ethyl ketone peroxides, 2.3 parts of APPs, 4 parts of alkali magnesium sulfate crystal whiskers and 0.5
The mixture B of part pull open powder composition is added to polyethylene glycol oxide-waterglass-unsaturated polyester resin mixing that step (2) is obtained
In system, it is uniformly mixed, obtains the waterglass base adhesive of the artificial board of straw described in the present embodiment.
With rice-straw fibre as raw material, within 15%, addition accounts for the present embodiment of total amount of material 20wt% to moisture control
The waterglass base adhesive of preparation, inserts mould and mats formation after batch mixing is uniform, compressing using spreader bar at room temperature, locked mode 1-
4h, makes density for 0.7g/cm3Rice straw fibreboard.Burst size of methanal presses GB18580-2001《House decorative material wood-based plate
And its product Form aldehyde release limitation》Test is not detected.Internal bond strength, MOR, thickness swelling rate press GB/T
17657-2013《Wood-based plate and decoration panel physicochemical property test method》Test, its value be respectively 1.13MPa, 19.76MPa and
2.63%.
Embodiment 3
A kind of artificial board of straw waterglass base adhesive, is prepared by each component including following important part：Water glass
55 parts of glass；Mass fraction is 8% 7 parts of polyoxyethylene aqueous solution；0.04 part of NPE (NP-10)；It is flexible
24 parts of unsaturated polyester resin；Mass fraction is 2.5% 7.2 parts of cobalt naphthenate styrene solution；0.4 part of silane coupler；
7 parts of methyl ethyl ketone peroxide；1 part of APP；2.5 parts of alkali magnesium sulfate crystal whisker；5 parts of pull open powder.
The artificial board of straw of the present embodiment preparation method of waterglass adhesive, concretely comprises the following steps：
(1) by polyoxyethylene aqueous solution that 7 parts of mass fractions are 7% and 0.04 part of NPE (NP-
10) add in reaction bulb and mix, stirring and emulsifying 20min obtains polyethylene glycol oxide emulsion；55 parts of waterglass are added dropwise over described
In polyethylene glycol oxide emulsion, after completion of dropping, 60min is persistently stirred, obtain polyethylene glycol oxide-waterglass complex emulsions；
(2) will be 2.5% by 24 parts of flexible unsaturated polyester resins, 0.4 part of silane coupler, 7.2 parts of mass fractions
The mixture A of cobalt naphthenate styrene solution composition is added to the polyethylene glycol oxide-waterglass complex emulsions of step (1) preparation
In, stirring is allowed to be well mixed, and obtains polyethylene glycol oxide-waterglass-unsaturated polyester resin mixed system；
(3) before applying glue, will be by 7 parts of methyl ethyl ketone peroxides, 1 part of APP, 2.5 parts of alkali magnesium sulfate crystal whiskers and 5 parts
The mixture B of pull open powder composition is added to polyethylene glycol oxide-waterglass-unsaturated polyester resin mixed system that step (2) is obtained
In, it is uniformly mixed, obtain the waterglass base adhesive of the artificial board of straw described in the present embodiment.
With wheat straw fiber as raw material, within 15%, addition accounts for the present embodiment of total amount of material 40wt% to moisture control
The waterglass base adhesive of preparation, inserts mould and mats formation after batch mixing is uniform, compressing using spreader bar at room temperature, locked mode 1-
4h, makes density for 0.7g/cm3Wheat straw fibre board.Burst size of methanal presses GB18580-2001《House decorative material wood-based plate
And its product Form aldehyde release limitation》Test is not detected.Internal bond strength, MOR, thickness swelling rate press GB/T
17657-2013《Wood-based plate and decoration panel physicochemical property test method》Test, its value be respectively 1.04MPa, 17.93MPa and
3.27%.
It should be understood by those skilled in the art that, the present invention is not restricted to the described embodiments, above-described embodiment and explanation
Merely illustrating the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also has
Various changes and modifications, these changes and improvements are both fallen within scope of the claimed invention, the claimed scope of the invention
By appending claims and its equivalent thereof.
Claims (4)
1. a kind of artificial board of straw waterglass base adhesive, it is characterised in that prepared by each component including following weight portion
Obtain：Waterglass 35-55 parts, polyoxyethylene aqueous solution 7-13 parts, NPE 0.04-0.07 parts, flexibility are not
Saturated polyester resin 11-24 parts, cobalt naphthenate styrene solution 3.3-7.2 part, silane coupler 0.1-0.4 parts, peroxidating first
Ethyl ketone 3-7 parts, APP 1-3.5 parts, alkali magnesium sulfate crystal whisker 1-4 parts, pull open powder 0.5-5 part.
2. artificial board of straw according to claim 1 waterglass base adhesive, it is characterised in that the polyethylene glycol oxide
The mass fraction of polyethylene glycol oxide is 3%-8% in the aqueous solution.
3. artificial board of straw according to claim 1 waterglass base adhesive, it is characterised in that the cobalt naphthenate benzene
The cinnamic mass fraction of cobalt naphthenate is 0.5%-2.5% in vinyl solution.
4. a kind of artificial board of straw as described in claims 1 to 3 any one preparation method of waterglass base adhesive, it is special
Levy and be, comprise the steps：
(1) 7-13 part polyoxyethylene aqueous solutions and 0.04-0.07 parts NPE are mixed, stirring and emulsifying 20-
50min, obtains polyethylene glycol oxide emulsion；35-55 part waterglass is added dropwise in the polyethylene glycol oxide emulsion, completion of dropping
Afterwards, 30-60min is persistently stirred, obtains polyethylene glycol oxide-waterglass complex emulsions；
(2) will be by 11-24 part flexible unsaturated polyester resins, 0.1-0.4 part silane couplers, 3.3-7.2 part cobalt naphthenate benzene
The mixture A of vinyl solution composition is added in polyethylene glycol oxide-waterglass complex emulsions that step (1) is prepared, and mixes
Uniformly, polyethylene glycol oxide-waterglass-unsaturated polyester resin mixed system is obtained；
(3) before applying glue, by 3-7 part methyl ethyl ketone peroxides, 1-3.5 part APPs, 1-4 parts alkali magnesium sulfate crystal whisker and 0.5-
The mixture B of 5 parts of pull open powder compositions is added to polyethylene glycol oxide-waterglass-unsaturated polyester resin mixture that step (2) is obtained
In system, it is uniformly mixed, obtains the artificial board of straw waterglass base adhesive.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611200078.3A CN106634628B (en) | 2016-12-22 | 2016-12-22 | Water glass-based adhesive for straw artificial board and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611200078.3A CN106634628B (en) | 2016-12-22 | 2016-12-22 | Water glass-based adhesive for straw artificial board and preparation method thereof |
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| CN106634628A true CN106634628A (en) | 2017-05-10 |
| CN106634628B CN106634628B (en) | 2020-01-17 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1454130A (en) * | 1973-06-13 | 1976-10-27 | Osaka Soda Co Ltd | Flame retardant hardenable alkali metal silicate compositions |
| JPS57205416A (en) * | 1981-06-10 | 1982-12-16 | Dainippon Ink & Chem Inc | Unsaturated polyester resin composition |
| JPS5898321A (en) * | 1981-12-09 | 1983-06-11 | Dainippon Ink & Chem Inc | Production of water glass/polyester resin composite |
| CN1330110A (en) * | 2000-06-16 | 2002-01-09 | 陈江辉 | Floor tile and its preparing process |
| CN102863906A (en) * | 2012-10-17 | 2013-01-09 | 中南林业科技大学 | Low-cost environment-friendly water glass wood adhesive and preparation method thereof |
| CN103865404A (en) * | 2014-03-25 | 2014-06-18 | 中南林业科技大学 | Low-cost high-strength flame-retardant smoke-suppressing artificial board inorganic adhesive and preparation method thereof |
-
2016
- 2016-12-22 CN CN201611200078.3A patent/CN106634628B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1454130A (en) * | 1973-06-13 | 1976-10-27 | Osaka Soda Co Ltd | Flame retardant hardenable alkali metal silicate compositions |
| JPS57205416A (en) * | 1981-06-10 | 1982-12-16 | Dainippon Ink & Chem Inc | Unsaturated polyester resin composition |
| JPS5898321A (en) * | 1981-12-09 | 1983-06-11 | Dainippon Ink & Chem Inc | Production of water glass/polyester resin composite |
| CN1330110A (en) * | 2000-06-16 | 2002-01-09 | 陈江辉 | Floor tile and its preparing process |
| CN102863906A (en) * | 2012-10-17 | 2013-01-09 | 中南林业科技大学 | Low-cost environment-friendly water glass wood adhesive and preparation method thereof |
| CN103865404A (en) * | 2014-03-25 | 2014-06-18 | 中南林业科技大学 | Low-cost high-strength flame-retardant smoke-suppressing artificial board inorganic adhesive and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 李业兰 等: "《建筑材料》", 30 June 1996, 中国建筑工业出版社 * |
| 涂平涛 等: "《建筑轻质板材》", 31 October 2005, 中国建材工业出版社 * |
| 鞠美庭 等: "《生物质固废资源化技术手册》", 31 March 2014, 天津大学出版社 * |
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