CN108660862A - Environment protection pressed-fibre board and preparation method thereof - Google Patents

Environment protection pressed-fibre board and preparation method thereof Download PDF

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Publication number
CN108660862A
CN108660862A CN201810540809.1A CN201810540809A CN108660862A CN 108660862 A CN108660862 A CN 108660862A CN 201810540809 A CN201810540809 A CN 201810540809A CN 108660862 A CN108660862 A CN 108660862A
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weight
dosage
preparation
environment protection
parts
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CN201810540809.1A
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Chinese (zh)
Inventor
蒿建雷
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Wuhu Polynet Information Technology Co Ltd
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Wuhu Polynet Information Technology Co Ltd
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Priority to CN201810540809.1A priority Critical patent/CN108660862A/en
Publication of CN108660862A publication Critical patent/CN108660862A/en
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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
    • B27K3/02—Processes; Apparatus
    • B27K3/04—Impregnating in open tanks
    • 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)

Abstract

The invention discloses a kind of environment protection pressed-fibre board and preparation method thereof, the preparation method includes：The preparation of modified liquid paraffin：Heating stirring is carried out after paraffin wax emulsions, azodiisobutyronitrile, vinyl chloride, polyamide are mixed, obtains modified liquid paraffin；The preparation of environment protection pressed-fibre board：Slurry is obtained after plant fiber, modified liquid paraffin, bamboo scraps, wheat bran, Lauxite, latex, PPE wet strength agents, bleeding agent and water are mixed；By slurry, technique obtains environment protection pressed-fibre board through hot press molding；Environment protection pressed-fibre board is impregnated into 1 2h in being retained inorganic agent；Solving current fiberboard, there is also many shortcomings, first, intensity is relatively low, second is that the problem of being easy dilatancy after water suction.

Description

Environment protection pressed-fibre board and preparation method thereof
Technical field
The present invention relates to fiberboard preparation fields, and in particular, to a kind of environment protection pressed-fibre board and preparation method thereof.
Background technology
Fiberboard also known as density board, be using wood fibre or other plant cellulose fiber as raw material, apply Lauxite or its Wood-based plate made of the adhesive that he is applicable in, can apply adhesive and/or additive in manufacturing process, and fiberboard has material Uniformly, the advantages that intensity difference is not small, easy to crack in length and breadth, it is widely used.But current fiberboard is there is also many shortcomings, First, intensity is relatively low, second is that being easy dilatancy after water suction.
Therefore it provides a kind of intensity is higher, and it is this to have the excellent environment protection pressed-fibre board of water resistance and preparation method thereof The problem of invention urgent need to resolve.
Invention content
The object of the present invention is to provide a kind of environment protection pressed-fibre board and preparation method thereof, solve current fiberboard there is also Many shortcomings, first, intensity is relatively low, second is that the problem of being easy dilatancy after water suction.
To achieve the goals above, the present invention provides a kind of preparation method of environment protection pressed-fibre board, the preparation method packets It includes：
(1) preparation of modified liquid paraffin：It is carried out after paraffin wax emulsions, azodiisobutyronitrile, vinyl chloride, polyamide are mixed Heating stirring obtains modified liquid paraffin；
(2) preparation of environment protection pressed-fibre board：By plant fiber, modified liquid paraffin, bamboo scraps, wheat bran, Lauxite, latex, Slurry is obtained after PPE wet strength agents, bleeding agent and water mixing；
(3) by slurry, technique obtains environment protection pressed-fibre board through hot press molding；The condition of hot press forming technology includes at least：Hot pressing Temperature is 100-150 DEG C, hot pressing time 10-20min, hot pressing pressure 30kg/cm2-110kg/cm2；
(4) environment protection pressed-fibre board is impregnated into 1-2h in being retained inorganic agent；Wherein, the raw material for being retained inorganic agent includes：5-8 weights Measure % glycerine, 1-7 weight % zinc chloride, 10-20 weight % polyvinyl alcohol, 5-10 weight % carboxymethyl celluloses and surplus Water；
Relative to the paraffin wax emulsions of 100 parts by weight, the dosage of azodiisobutyronitrile is 12-25 parts by weight, the use of vinyl chloride Amount is 2-5 parts by weight, and the dosage of polyamide is 3-7 parts by weight；
Relative to the plant fiber of 100 parts by weight, the dosage of modified liquid paraffin is 15-25 parts by weight, the dosage of bamboo scraps Dosage for 10-20 parts by weight, wheat bran is 10-20 parts by weight, and the dosage of Lauxite is 2-8 parts by weight, and the dosage of latex is The dosage of 1-8 parts by weight, PPE wet strength agents is 1-3 parts by weight, and the dosage of bleeding agent is 1-3 parts by weight, and the dosage of water is 120- 150 parts by weight.
The present invention also provides a kind of environment protection pressed-fibre board, the environment protection pressed-fibre board is made by above-mentioned preparation method.
Through the above technical solutions, the present invention provides a kind of environment protection pressed-fibre board and preparation method thereof, the preparation method Including：The preparation of modified liquid paraffin：Heating is carried out after paraffin wax emulsions, azodiisobutyronitrile, vinyl chloride, polyamide are mixed to stir It mixes, obtains modified liquid paraffin；The preparation of environment protection pressed-fibre board：By plant fiber, modified liquid paraffin, bamboo scraps, wheat bran, ureaformaldehyde tree Slurry is obtained after fat, latex, PPE wet strength agents, bleeding agent and water mixing；By slurry, technique obtains environment-protection fiber through hot press molding Plate；Environment protection pressed-fibre board is impregnated into 1-2h in being retained inorganic agent；；Make environmental protection obtained by the synergistic effect between each raw material Fiberboard has a higher mechanical strength, and is not easy to expand after absorbing water, at the same the method for being used to prepare the environment protection pressed-fibre board it is simple, Raw material is easy to get.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below.It should be understood that described herein specific Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more New numberical range, these numberical ranges should be considered as specific open herein.
The present invention provides a kind of preparation method of environment protection pressed-fibre board, the preparation method includes：
(1) preparation of modified liquid paraffin：It is carried out after paraffin wax emulsions, azodiisobutyronitrile, vinyl chloride, polyamide are mixed Heating stirring obtains modified liquid paraffin；
(2) preparation of environment protection pressed-fibre board：By plant fiber, modified liquid paraffin, bamboo scraps, wheat bran, Lauxite, latex, Slurry is obtained after PPE wet strength agents, bleeding agent and water mixing；
(3) by slurry, technique obtains environment protection pressed-fibre board through hot press molding；The condition of hot press forming technology includes at least：Hot pressing Temperature is 100-150 DEG C, hot pressing time 10-20min, hot pressing pressure 30kg/cm2-110kg/cm2；
(4) environment protection pressed-fibre board is impregnated into 1-2h in being retained inorganic agent；Wherein, the raw material for being retained inorganic agent includes：5-8 weights Measure % glycerine, 1-7 weight % zinc chloride, 10-20 weight % polyvinyl alcohol, 5-10 weight % carboxymethyl celluloses and surplus Water；
Relative to the paraffin wax emulsions of 100 parts by weight, the dosage of azodiisobutyronitrile is 12-25 parts by weight, the use of vinyl chloride Amount is 2-5 parts by weight, and the dosage of polyamide is 3-7 parts by weight；
Relative to the plant fiber of 100 parts by weight, the dosage of modified liquid paraffin is 15-25 parts by weight, the dosage of bamboo scraps Dosage for 10-20 parts by weight, wheat bran is 10-20 parts by weight, and the dosage of Lauxite is 2-8 parts by weight, and the dosage of latex is The dosage of 1-8 parts by weight, PPE wet strength agents is 1-3 parts by weight, and the dosage of bleeding agent is 1-3 parts by weight, and the dosage of water is 120- 150 parts by weight.
In a kind of preferred embodiment of the present invention, in order to further increase environment protection pressed-fibre board obtained intensity and Water resistance, bleeding agent are one or more in sodium alkyl sulfonate, sodium alkyl benzene sulfonate and alkyl sulfate sodium.
In a kind of preferred embodiment of the present invention, in order to further increase environment protection pressed-fibre board obtained intensity and Water resistance, in step (1), the condition of heating stirring includes at least：The temperature of heating is 45-60 DEG C, and the time of heating is The speed of 15-25min, stirring are 80-100r/min.
In a kind of preferred embodiment of the present invention, in order to further increase environment protection pressed-fibre board obtained intensity and Water resistance, bamboo scraps and wheat bran need to crush before use, its average grain diameter is made to be not higher than 100 mesh.
The present invention also provides a kind of environment protection pressed-fibre board, the environment protection pressed-fibre board is made by above-mentioned preparation method.
The present invention will be described in detail by way of examples below.In following embodiment, bamboo scraps and wheat bran are before use It need to crush, it is 80 mesh to make its average grain diameter.
Embodiment 1
Heating stirring is carried out after 100g paraffin wax emulsions, 12g azodiisobutyronitriles, 2g vinyl chloride, 3g polyamide are mixed (to add The temperature of heat is 45 DEG C, and the time of heating is 15min, and the speed of stirring is 80r/min), obtain modified liquid paraffin；By 100g Plant fiber, 15g modified liquids paraffin, 10g bamboo scraps, 10g wheat bran, 2g Lauxites, 1g latexes, 1gPPE wet strength agents, 1g alkyl Slurry is obtained after sodium sulfonate and the mixing of 120g water；By slurry, (hot pressing temperature is 160 DEG C to technique, and hot pressing time is through hot press molding 5min, hot pressing pressure 30kg/cm2) obtain environment protection pressed-fibre board A1；Environment protection pressed-fibre board is impregnated into 1h in being retained inorganic agent；Its In, the raw material for being retained inorganic agent includes：5 weight % glycerine, 1 weight % zinc chloride, 10 weight % polyvinyl alcohol, 5 weight % carboxylics The water of methylcellulose and surplus.
Embodiment 2
Heating stirring is carried out after 100g paraffin wax emulsions, 25g azodiisobutyronitriles, 5g vinyl chloride, 7g polyamide are mixed (to add The temperature of heat is 60 DEG C, and the time of heating is 25min, and the speed of stirring is 100r/min), obtain modified liquid paraffin；It will 100g plant fibers, 25g modified liquids paraffin, 20g bamboo scraps, 20g wheat bran, 8g Lauxites, 8g latexes, 3gPPE wet strength agents, 3g Slurry is obtained after sodium alkyl benzene sulfonate and the mixing of 150g water；By slurry, (hot pressing temperature is 180 DEG C to technique, hot pressing through hot press molding Time is 8min, hot pressing pressure 110kg/cm2) obtain environment protection pressed-fibre board A2；Environment protection pressed-fibre board is soaked in being retained inorganic agent Steep 2h；Wherein, the raw material for being retained inorganic agent includes：8 weight % glycerine, 7 weight % zinc chloride, 20 weight % polyvinyl alcohol, 10 The water of weight % carboxymethyl celluloses and surplus.
Embodiment 3
Heating stirring is carried out after 100g paraffin wax emulsions, 20g azodiisobutyronitriles, 3g vinyl chloride, 5g polyamide are mixed (to add The temperature of heat is 55 DEG C, and the time of heating is 20min, and the speed of stirring is 90r/min), obtain modified liquid paraffin；By 100g Plant fiber, 20g modified liquids paraffin, 15g bamboo scraps, 15g wheat bran, 5g Lauxites, 4g latexes, 2gPPE wet strength agents, 2g alkyl Slurry is obtained after sodium sulfovinate and the mixing of 165g water；By slurry, (hot pressing temperature is 170 DEG C to technique, hot pressing time through hot press molding For 6min, hot pressing pressure 70kg/cm2) obtain environment protection pressed-fibre board A3；Environment protection pressed-fibre board is impregnated in being retained inorganic agent 1.5h；Wherein, the raw material for being retained inorganic agent includes：7 weight % glycerine, 4 weight % zinc chloride, 15 weight % polyvinyl alcohol, 7.5 The water of weight % carboxymethyl celluloses and surplus.
Comparative example 1
It is carried out according to the method for embodiment 3, unlike, relative to the paraffin wax emulsions of 100g, the use of azodiisobutyronitrile Amount is 10g, and the dosage of vinyl chloride is 1g, and the dosage of polyamide is 2g；Relative to the plant fiber of 100g, modified liquid paraffin Dosage is 12g, and the dosage of bamboo scraps is 7g, and the dosage of wheat bran is 7g, and the dosage of Lauxite is 1g, and the dosage of latex is 0.5g, The dosage of PPE wet strength agents is 0.5g, and the dosage of bleeding agent is 0.5g, and the dosage of water is 100g, obtains environment protection pressed-fibre board D1.
Comparative example 2
It is carried out according to the method for embodiment 3, unlike, relative to the paraffin wax emulsions of 100g, the use of azodiisobutyronitrile Amount is 30g, and the dosage of vinyl chloride is 7g, and the dosage of polyamide is 9g；Relative to the plant fiber of 100g, modified liquid paraffin Dosage is 28g, and the dosage of bamboo scraps is 25g, and the dosage of wheat bran is 25g, and the dosage of Lauxite is 10g, and the dosage of latex is The dosage of 10g, PPE wet strength agent is 5g, and the dosage of bleeding agent is 5g, and the dosage of water is 170g, obtains environment protection pressed-fibre board D2.
Test case
Bending property detection, impact flexibility detection and tensile property are carried out to environment protection pressed-fibre board A1-A3, D1 and D2 obtained Detection, wherein bending property detection is according to GB/T 1449-2005《Fibre reinforced plastics bending property test method》Standard into Row detection, impact flexibility detection are according to GB/T 1451-2005《Fibre reinforced plastics freely-supported beam type impact ductility test method》Mark Standard is detected, tensile property detection is according to GB/T 1447-2005《Fibre reinforced plastics Erichsen test method》Standard into Row detection；
Environment protection pressed-fibre board A1-A3, D1 and D2 obtained are impregnated into 48h in water respectively, run through its superficial expansion phenomenon.
Table 1
Fiberboard A1-A3 obtained within the scope of the invention, which is can be seen that, by 1 data of table has excellent mechanical property Can, and it also has excellent water resistance, meets water and is not easy to expand, fiberboard D1 produced outside the scope of the present invention and D2 each side Face performance is relatively poor.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above Detail can carry out a variety of simple variants to technical scheme of the present invention within the scope of the technical concept of the present invention, this A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally The thought of invention, it should also be regarded as the disclosure of the present invention.

Claims (5)

1. a kind of preparation method of environment protection pressed-fibre board, which is characterized in that the preparation method includes：
(1) preparation of modified liquid paraffin：It is heated after paraffin wax emulsions, azodiisobutyronitrile, vinyl chloride, polyamide are mixed Stirring, obtains modified liquid paraffin；
(2) preparation of environment protection pressed-fibre board：Plant fiber, modified liquid paraffin, bamboo scraps, wheat bran, Lauxite, latex, PPE is wet Slurry is obtained after strong agent, bleeding agent and water mixing；
(3) by slurry, technique obtains environment protection pressed-fibre board through hot press molding；The condition of hot press forming technology includes at least：Hot pressing temperature It is 160-180 DEG C, hot pressing time 5-8min, hot pressing pressure 30kg/cm2-110kg/cm2；
(4) environment protection pressed-fibre board is impregnated into 1-2h in being retained inorganic agent；Wherein, the raw material for being retained inorganic agent includes：5-8 weight % The water of glycerine, 1-7 weight % zinc chloride, 10-20 weight % polyvinyl alcohol, 5-10 weight % carboxymethyl celluloses and surplus；
Relative to the paraffin wax emulsions of 100 parts by weight, the dosage of azodiisobutyronitrile is 12-25 parts by weight, and the dosage of vinyl chloride is The dosage of 2-5 parts by weight, polyamide is 3-7 parts by weight；
Relative to the plant fiber of 100 parts by weight, the dosage of modified liquid paraffin is 15-25 parts by weight, and the dosage of bamboo scraps is 10- The dosage of 20 parts by weight, wheat bran is 10-20 parts by weight, and the dosage of Lauxite is 2-8 parts by weight, and the dosage of latex is 1-8 weights Part is measured, the dosage of PPE wet strength agents is 1-3 parts by weight, and the dosage of bleeding agent is 1-3 parts by weight, and the dosage of water is 120-150 weight Part.
2. preparation method according to claim 1, wherein bleeding agent is selected from sodium alkyl sulfonate, sodium alkyl benzene sulfonate and alkane It is one or more in base sodium sulfovinate.
3. preparation method according to claim 1, wherein in step (1), the condition of heating stirring includes at least：Add The temperature of heat is 45-60 DEG C, and the time of heating is 15-25min, and the speed of stirring is 80-100r/min.
4. preparation method according to claim 1, wherein bamboo scraps and wheat bran need to crush before use, keep it average Grain size is not higher than 100 mesh.
5. a kind of environment protection pressed-fibre board, which is characterized in that the environment protection pressed-fibre board is by the system described in any one of claim 1-4 Preparation Method is made.
CN201810540809.1A 2018-05-30 2018-05-30 Environment protection pressed-fibre board and preparation method thereof Withdrawn CN108660862A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810540809.1A CN108660862A (en) 2018-05-30 2018-05-30 Environment protection pressed-fibre board and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810540809.1A CN108660862A (en) 2018-05-30 2018-05-30 Environment protection pressed-fibre board and preparation method thereof

Publications (1)

Publication Number Publication Date
CN108660862A true CN108660862A (en) 2018-10-16

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CN (1) CN108660862A (en)

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Application publication date: 20181016