CN107336326A - Binding agent, particieboard and its manufacture method - Google Patents
Binding agent, particieboard and its manufacture method Download PDFInfo
- Publication number
- CN107336326A CN107336326A CN201710447107.4A CN201710447107A CN107336326A CN 107336326 A CN107336326 A CN 107336326A CN 201710447107 A CN201710447107 A CN 201710447107A CN 107336326 A CN107336326 A CN 107336326A
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- CN
- China
- Prior art keywords
- binding agent
- agent
- salix monogolica
- particieboard
- manufacture method
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
- B27N3/14—Distributing or orienting the particles or fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
- B27N1/02—Mixing the material with binding agent
- B27N1/0209—Methods, e.g. characterised by the composition of the agent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
- C08G12/12—Ureas; Thioureas
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/40—Chemically modified polycondensates
-
- 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
- C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
- C09J161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C09J161/32—Modified amine-aldehyde condensates
Abstract
The present invention provides a kind of binding agent, wherein, a kind of binding agent, it is characterised in that described adhesive includes following component：Cyanogen aminated compounds：0.6wt%~0.7wt%；Amides compound：46wt%~47wt%；Lauxite：52.3wt%~53.4wt%.The present invention also provides a kind of manufacture method using binding agent manufacture particieboard and a kind of particieboard.For the particieboard using salix monogolica as raw material, cost is relatively low, and after binding agent solidification, free formaldehyde content reduces so that the particieboard is more environmentally-friendly.
Description
Technical field
The present invention relates to the manufacturing field of particieboard, in particular it relates to a kind of binding agent, one kind for being used to manufacture particieboard
Utilize binding agent made from the particieboard and a kind of method for manufacturing the particieboard.
Background technology
Salix monogolica is a kind of desert shrub, is common in desert area, and for checking winds and fixing drifting sand.Salix monogolica has " plane monitor method "
Biological nature, if not going to cut down the limb grown up to, by not 7 years, salix monogolica branch will turn into deadwood.Therefore, in desert
Area to salix monogolica, it is necessary to periodically carry out " stump ".A salix monogolica branch part under seeing is used as salix monogolica cuttage seeding, and another part can only give up
Discard.
How to improve the utilization rate of salix monogolica branch turns into this area technical problem urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to provide it is a kind of for particieboard generation binding agent, a kind of particieboard manufacture method and
A kind of particieboard manufactured using the manufacture method.The raw material of the particieboard are salix monogolica, and cost is relatively low.
To achieve these goals, as one aspect of the present invention, there is provided a kind of binding agent, wherein, described adhesive
Including following component：
Cyanogen aminated compounds：0.6wt%~0.7wt%；
Amides compound：46wt%~47wt%；
Lauxite：52.3wt%~53.4wt%.
Preferably, the cyanogen aminated compounds includes dicyandiamide and/or melamine.
Preferably, the cyanogen aminated compounds includes dicyandiamide and melamine, and dicyandiamide is in the aminated compounds
Shared ratio is 1.5wt%~1.8wt%, melamine ratio shared in the aminated compounds for 98.2wt%~
98.5wt%.
Preferably, the amides compound includes caprolactam.
As the second aspect of the invention, there is provided a kind of manufacture method of particieboard, wherein, the manufacture method bag
Include：
Salix monogolica wood chip is well mixed with waterproofing agent；
The salix monogolica wood chip for being blended with waterproofing agent is well mixed with binding agent, and to obtain mixture, the binding agent is this
The binding agent described above provided is provided；
The mixture is mated formation, to obtain wood shavings plate blank material；
Hot pressing is carried out to the wood shavings plate blank material, to obtain the particieboard.
Preferably, mass percent of the binding agent in the mixture is 13wt%~14wt%.
Preferably, in the mixture, the content of the waterproofing agent is：5kg/m3~7kg/m3。
Preferably, the waterproofing agent includes paraffin and emulsifying agent, and paraffin ratio shared in the waterproofing agent is
42wt%~45wt%, emulsifying agent ratio shared in the waterproofing agent is 55wt%~58wt%.
Preferably, the emulsifying agent includes oleic acid and ammoniacal liquor, wherein, oleic acid ratio shared in the emulsifying agent is
80wt%~90wt%, the concentration of ammoniacal liquor is 18%~20%, and ratio of the ammoniacal liquor shared by the emulsifying agent is 10wt%
~20wt%.
Preferably, the step of salix monogolica wood chip being mixed with waterproofing agent includes：
The waterproofing agent is atomized, is sprayed on the salix monogolica wood chip；
The salix monogolica wood chip for spraying the waterproofing agent is stirred；
The step of salix monogolica wood chip is mixed with binding agent includes：
The binding agent is atomized, is sprayed on the salix monogolica wood chip for being mixed with waterproofing agent；
The salix monogolica wood chip for being coated with binding agent is stirred.
Preferably, the step of mating formation to the mixture includes：
Mat formation salix monogolica powder, to form top layer, the size of salix monogolica powder is 0.1mm~0.3mm；
Mat formation the mixture, form sandwich layer.
Preferably, the thickness on the top layer is 4.5mm~5.5mm, and the thickness of sandwich layer is 14mm~15mm.
Preferably, in the step of carrying out hot pressing to the wood shavings plate blank material, hot pressing temperature is 180 DEG C~200 DEG C, hot pressing
Pressure be 2MPa~3MPa, hot pressing duration is 3min~5min.
As the third aspect of the invention, there is provided a kind of particieboard, wherein, on the particieboard is provided by the present invention
Manufacture method is stated to be made.
As mentioned above it is possible, binding agent provided by the present invention has preferably viscosity, also, when the binding agent solidifies
The content of formaldehyde of free state is considerably less afterwards, therefore, has preferable environmental-protecting performance using particieboard provided by the present invention.
Brief description of the drawings
Accompanying drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the schematic cross-sectional view of particieboard provided by the present invention.
Description of reference numerals
10：Top layer 20：Sandwich layer
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
As one aspect of the present invention, there is provided a kind of binding agent, wherein, described adhesive includes following component：
Cyanogen aminated compounds：0.6wt%~0.7wt%；
Amides compound：46wt%~47wt%；
Lauxite：52.3wt%~53.4wt%.
The high polymer that Lauxite is urea to be formed with formaldehyde polycondensation in the presence of catalyst, its manufacturing process is simple,
Raw material is cheap and easy to get, and wetability is good, and bonding strength is high and has certain water resistance.In the present invention, Lauxite is institute
State the main component that adhesive effect is played in binding agent.
The Lauxite includes formaldehyde and urea, wherein, formaldehyde ratio shared in the Lauxite is
27wt%~28wt%, urea ratio shared in the Lauxite is urea：46wt%~47wt%.
Can have the formaldehyde of free state unavoidably in Lauxite, once the Form aldehyde release of free state into air, will
Cause air pollution.
Cyanogen aminated compounds has following molecular formula (1), and the molecular formula of formaldehyde is HCHO, therefore, formaldehyde and cyanamide class
Shown in the chemical mode of compound such as equation (2).
The formaldehyde to dissociate it can be seen from equation (2) reacts with cyanogen aminated compounds, that is, institute, cyanamide class
Compound can reduce the content of the formaldehyde to dissociate in the binding agent.
The molecular formula of amides compound is ... NH (CH2)nThe chemical mode of CO ..., formaldehyde and amides compound such as side
Shown in formula (3).
The formaldehyde to dissociate it can be seen from equation (3) reacts with amides compound, that is, institute, amide-type
Compound can reduce the content of the formaldehyde to dissociate in the binding agent.
In the binding agent, cyanogen aminated compounds and amides compound in binding agent, which can be considered as, to be used for ureaformaldehyde
The curing agent of resin solidification, after binding agent solidification provided by the present invention, free content of formaldehyde is very low, therefore, utilizes this hair
In the particieboard of bright provided binding agent production, burst size of methanal is very low, more environmentally-friendly.
In the present invention, the cyanogen aminated compounds includes dicyandiamide and/or melamine.
That is, dicyandiamide can be only included in the binding agent, melamine can also be only included, can also be included
The mixture of dicyandiamide and melamine.
Preferably, dicyandiamide had both been included in the binding agent has including melamine, so as to improve the viscous of binding agent
Property.
Preferably, dicyandiamide ratio shared in the aminated compounds is 1.2wt%~1.5wt%, melamine
Shared ratio is 98.2wt%~98.5wt% in the aminated compounds.
In the present invention, the specific composition of amides compound is not also limited, in order to reduce the binding agent into
This, as a kind of preferred embodiment of the present invention, the amides compound can include caprolactam.
As another aspect of the present invention, there is provided a kind of manufacture method of particieboard, in its spy, the manufacture method bag
Include：
Salix monogolica wood chip is well mixed with waterproofing agent；
The salix monogolica wood chip for being blended with waterproofing agent is well mixed with binding agent, and to obtain mixture, the binding agent is this
The above-mentioned binding agent provided is provided；
The mixture is mated formation, to obtain wood shavings plate blank material；
Hot pressing is carried out to the wood shavings plate blank material, to obtain the particieboard.
In the present invention, salix monogolica wood chip is by being chipped to salix monogolica branch, crushing acquisition, because salix monogolica wood chip is used
In making particieboard, therefore, salix monogolica wood chip is also the salix monogolica wood shavings often said.Because salix monogolica water imbibition is stronger, therefore, by salix monogolica
It is husky during follow-up to prevent, it is necessary to first mix salix monogolica wood chip with waterproofing agent before wood chip is well mixed with binding agent
Willow bits water suction, and then can prevent that the expansion of salix monogolica wood chip causes particieboard to ftracture in hot pressing.
The wood shavings plate flatness obtained by hot pressing is higher, and has higher intensity and larger nail-holding ability.
Because the raw material used in the particieboard is the common salix monogolica of desert area, so as to reduce the particieboard
Cost, and it is sufficiently used the resource of desert area.In order to further reduce cost, the sand of the salix monogolica wood chip is made
Withy bar can be the salix monogolica branch under trimming when plane monitor method is carried out to salix monogolica.
As mentioned above it is possible, binding agent provided by the present invention has preferably viscosity, also, when the binding agent solidifies
The content of formaldehyde of free state is considerably less afterwards, therefore, has preferable environmental-protecting performance using particieboard provided by the present invention.
Preferably, mass percent of the binding agent in the mixture is 13wt%~14wt%.
Preferably, the content of the waterproofing agent is：5kg/m3~7kg/m3。
In the present invention, do not have special requirement to the concrete component of waterproofing agent, as long as can be mixed with salix monogolica wood chip
Uniformly, to prevent salix monogolica wood chip from being absorbed water in subsequent handling.As a kind of preferred embodiment of the present invention, the waterproof
Agent can include paraffin and emulsifying agent, and paraffin mass percent shared in the waterproofing agent is 42wt%~45wt%, phase
Ying Di, emulsifying agent are 7wt%~8wt% in shared mass percent in the waterproofing agent.Paraffin is added in emulsifying agent
The paraffin wax emulsions arrived be described waterproofing agent, due to waterproofing agent for too, therefore, salix monogolica wood chip can be uniformly adhered to
Surface.
In the present invention, there is no special requirement to the specific composition of emulsifying agent, as long as breast can be formed together with paraffin
Liquid.As a kind of embodiment of the present invention, the emulsifying agent can include oleic acid and ammoniacal liquor, and wherein oleic acid is in institute
It is 1.5wt%~2wt% to state in emulsifying agent shared ratio, and the concentration of ammoniacal liquor can be between 18%~20%, also, ammoniacal liquor
Shared ratio is 1.8wt%~2wt% in the emulsifying agent.
In order to ensure salix monogolica wood chip is well mixed with waterproofing agent, it is preferable that the salix monogolica wood chip is mixed with waterproofing agent
Step includes：
The waterproofing agent is atomized, is sprayed on the salix monogolica wood chip；
The salix monogolica wood chip for spraying the waterproofing agent is stirred.
Similarly, it is well mixed to really be mixed with the salix monogolica wood chip of waterproofing agent with binding agent, it is preferable that by the salix monogolica
The step of wood chip mixes with binding agent includes：
The binding agent is atomized, is sprayed on the salix monogolica wood chip for being mixed with waterproofing agent；
The salix monogolica wood chip for being coated with binding agent is stirred.
In order to lift the surface quality of the particieboard finally obtained, it is preferable that the step of mating formation to the mixture
Including：
Mat formation salix monogolica powder, to form top layer, the size of salix monogolica powder is 0.1mm~0.3mm；
Mat formation the mixture, form sandwich layer.
The particle diameter of salix monogolica powder is smaller, after compacting the particieboard can be caused to have smooth surface.
As a kind of preferred embodiment of the present invention, the thickness on the top layer is 4.5~5.5mm, and the thickness of sandwich layer is
14mm~15mm.
Preferably, in the step of carrying out hot pressing to the wood shavings plate blank material, hot pressing temperature is 180 DEG C~200 DEG C, hot pressing
Pressure be 2MPa~3MPa, hot pressing duration is 3min~5min.
As shown in figure 1, as another aspect of the invention, there is provided a kind of particieboard, wherein, the particieboard is by this hair
Bright provided above-mentioned manufacture method is made.
That is, surface attachment of the particieboard including the adhesive bond by solidifying together has the sand of waterproofing agent
Willow is considered to be worth doing.Because the surface attachment of salix monogolica wood chip has waterproofing agent, therefore, in follow-up process, salix monogolica wood chip will not be inhaled
Water, therefore, inside the particieboard and surface produce without crackle.
Moreover, the binding agent is above-mentioned binding agent provided by the present invention, during the binding agent solidifies, dissociate
The formaldehyde of state is combined with cyanogen aminated compounds and amides compound, so, there is no free state in the particieboard ultimately formed yet
Formaldehyde, the particieboard for being is more environmentally friendly safer.
Bonding the particieboard that salix monogolica wood chip obtains using the binding agent including melamine has higher intensity and larger
Nail-holding ability.
As shown in fig. 1, a kind of preferred embodiment as the present invention, the particieboard include top layer 10 and sandwich layer
20, top layer 10 is made up of the less salix monogolica powder of particle, and sandwich layer 20 is then by being mixed with the salix monogolica wood chip and binding agent of waterproofing agent
The well mixed mixture formed is made.
Embodiment
Preparation example 1
Binding agent is prepared in accordance with the following steps：
S11, by 0.09g dicyandiamides be added to 534g Lauxites in；
S12,5.91g melamines are added in step S11 in the mixture that obtains；
S13,460g caprolactams are added in step S12 in the mixture that obtains, obtain binding agent.
Preparation example 2
S11, by 0.13g dicyandiamides be added to 523g Lauxites in；
S12,6.87g melamines are added in step S11 in the mixture that obtains；
S13,470g caprolactams are added in step S12 in the mixture that obtains, obtain binding agent.
Preparation example 3
S11, by 0.1g dicyandiamides be added to 531.5g Lauxites in；
S12,6.4g melamines are added in step S11 in the mixture that obtains；
S13,462g caprolactams are added in step S12 in the mixture that obtains, obtain binding agent.
Embodiment
Particieboard is manufactured in accordance with the following steps：
S21, salix monogolica branch chipped, obtain the salix monogolica piece that size is 3 × 5cm；
S22, salix monogolica piece crushed, obtain salix monogolica wood chip (that is, wood shavings)；
S23, the waterproofing agent that composition is paraffin and emulsifying agent is atomized, be sprayed on salix monogolica wood chip, and salix monogolica wood chip is entered
Row stirring, to obtain the salix monogolica wood chip for scribbling waterproofing agent；
S24, by preparation example binding agent be atomized, be sprayed on the salix monogolica wood chip obtained in step S23, and to salix monogolica wood
Bits are stirred, to obtain mixture, wherein, binding agent proportion is 14wt% in the mixture, waterproofing agent (including
42wt% paraffin and 58wt% emulsifying agent, wherein, emulsifying agent includes 80wt% oleic acid and 20wt% industrial ammonia)
Content is 5kg/m3；
S25, one layer of salix monogolica powder of mating formation on spreading machine, thickness 78mm；
S26, the mixture obtained in step S24 mated formation above salix monogolica powder, thickness 58.5mm；
S27, hot pressing is carried out to the blank obtained in step S26, hot pressing temperature is 190 DEG C, duration 4min, to obtain
Particieboard is obtained, wood shavings plate thickness is 18mm.
Internal bond strength according to GB/T4897.2-2003 to particieboard made from the binding agent in each preparation example of utilization
Tested, the nail-holding ability of particieboard made from the binding agent in each preparation example is surveyed according to GB/T 17657-1999
Examination, test result are as shown in table 1.
Table 1
| Preparation example 1 | Preparation example 2 | Preparation example 2 | |
| Internal bond strength/MPa | 0.4 | 0.39 | 0.42 |
| Nail-holding ability/N | 1200N | 1200N | 1250N |
It follows that particieboard provided by the present invention has higher internal bond strength and larger nail-holding ability.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, but the invention is not limited in this.For those skilled in the art, the essence of the present invention is not being departed from
In the case of refreshing and essence, various changes and modifications can be made therein, and these variations and modifications are also considered as protection scope of the present invention.
Claims (14)
1. a kind of binding agent, it is characterised in that described adhesive includes following component：
Cyanogen aminated compounds：0.6wt%~0.7wt%；
Amides compound：46wt%~47wt%；
Lauxite：52.3wt%~53.4wt%.
2. binding agent according to claim 1, it is characterised in that the cyanogen aminated compounds includes dicyandiamide and/or three
Poly cyanamid.
3. binding agent according to claim 2, it is characterised in that the cyanogen aminated compounds includes dicyandiamide and melamine
Amine, dicyandiamide ratio shared in the aminated compounds is 1.5wt%~1.8wt%, and melamine is in the amine
Shared ratio is 98.2wt%~98.5wt% in compound.
4. binding agent as claimed in any of claims 1 to 3, it is characterised in that the amides compound includes
Caprolactam.
5. a kind of manufacture method of particieboard, it is characterised in that the manufacture method includes：
Salix monogolica wood chip is well mixed with waterproofing agent；
The salix monogolica wood chip for being blended with waterproofing agent is well mixed with binding agent, and to obtain mixture, the binding agent will for right
Seek the binding agent described in any one in 1 to 4；
The mixture is mated formation, to obtain wood shavings plate blank material；
Hot pressing is carried out to the wood shavings plate blank material, to obtain the particieboard.
6. manufacture method according to claim 5, it is characterised in that quality hundred of the binding agent in the mixture
It is 13wt%~14wt% to divide ratio.
7. manufacture method according to claim 5, it is characterised in that in the mixture, the content of the waterproofing agent
For：5kg/m3~7kg/m3。
8. manufacture method according to claim 7, it is characterised in that the waterproofing agent includes paraffin and emulsifying agent, paraffin
Shared ratio is 42wt%~45wt% in the waterproofing agent, and emulsifying agent ratio shared in the waterproofing agent is
55wt%~58wt%.
9. manufacture method according to claim 8, it is characterised in that the emulsifying agent includes oleic acid and ammoniacal liquor, wherein, oil
Acid ratio shared in the emulsifying agent is 80wt%~90wt%, and the concentration of ammoniacal liquor is 18%~20%, and ammoniacal liquor is in institute
It is 10wt%~20wt% to state ratio shared in emulsifying agent.
10. the manufacture method according to any one in claim 5 to 9, it is characterised in that by the salix monogolica wood chip with preventing
The step of aqua mixes includes：
The waterproofing agent is atomized, is sprayed on the salix monogolica wood chip；
The salix monogolica wood chip for spraying the waterproofing agent is stirred；
The step of salix monogolica wood chip is mixed with binding agent includes：
The binding agent is atomized, is sprayed on the salix monogolica wood chip for being mixed with waterproofing agent；
The salix monogolica wood chip for being coated with binding agent is stirred.
11. the manufacture method according to any one in claim 5 to 9, it is characterised in that spread to the mixture
The step of dress, includes：
Mat formation salix monogolica powder, to form top layer, the size of salix monogolica powder is 0.1mm~0.3mm；
Mat formation the mixture, form sandwich layer.
12. manufacture method according to claim 11, it is characterised in that the thickness on the top layer is 4.5mm~5.5mm,
The thickness of sandwich layer is 14mm~15mm.
13. the manufacture method according to any one in claim 5 to 9, it is characterised in that to the wood shavings plate blank material
In the step of carrying out hot pressing, hot pressing temperature is 180 DEG C~200 DEG C, and the pressure of hot pressing is 2MPa~3MPa, hot pressing duration
For 3min~5min.
14. a kind of particieboard, it is characterised in that the particieboard is as the manufacturer described in any one in claim 5 to 13
Method is made.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710447107.4A CN107336326A (en) | 2017-06-14 | 2017-06-14 | Binding agent, particieboard and its manufacture method |
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509386A (en) * | 2019-08-11 | 2019-11-29 | 广东始兴县华洲木业有限公司 | A kind of preparation process of zero formaldehyde moisture-proof granule plate |
Citations (10)
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