CN107217546B - Environment protection pressed-fibre board based on modified liquid paraffin and its processing method - Google Patents
Environment protection pressed-fibre board based on modified liquid paraffin and its processing method Download PDFInfo
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- CN107217546B CN107217546B CN201710577862.4A CN201710577862A CN107217546B CN 107217546 B CN107217546 B CN 107217546B CN 201710577862 A CN201710577862 A CN 201710577862A CN 107217546 B CN107217546 B CN 107217546B
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- 229940057995 liquid paraffin Drugs 0.000 title claims abstract description 37
- 238000003672 processing method Methods 0.000 title claims abstract description 18
- 239000000835 fiber Substances 0.000 title claims abstract description 17
- 239000011094 fiberboard Substances 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 16
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 16
- 241001330002 Bambuseae Species 0.000 claims abstract description 16
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 16
- 239000011425 bamboo Substances 0.000 claims abstract description 16
- 239000002002 slurry Substances 0.000 claims abstract description 16
- 235000015099 wheat brans Nutrition 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 15
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 13
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 13
- 241000196324 Embryophyta Species 0.000 claims abstract description 13
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 13
- 239000000839 emulsion Substances 0.000 claims abstract description 13
- 239000004816 latex Substances 0.000 claims abstract description 13
- 229920000126 latex Polymers 0.000 claims abstract description 13
- 239000012188 paraffin wax Substances 0.000 claims abstract description 13
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims abstract description 13
- 238000000465 moulding Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 7
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 13
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 claims description 13
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 229910052708 sodium Inorganic materials 0.000 claims description 9
- 239000011734 sodium Substances 0.000 claims description 9
- -1 sodium alkyl sulfonate Chemical class 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 7
- 229920013636 polyphenyl ether polymer Polymers 0.000 claims description 4
- 229920001955 polyphenylene ether Polymers 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 229940077388 benzenesulfonate Drugs 0.000 claims description 2
- 238000007731 hot pressing Methods 0.000 claims description 2
- 230000000740 bleeding effect Effects 0.000 abstract 1
- 235000019394 potassium persulphate Nutrition 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 6
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000011151 fibre-reinforced plastic Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000008104 plant cellulose Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J1/00—Fibreboard
-
- 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
- B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from 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
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
- B27N3/12—Moulding of mats from fibres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F289/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds not provided for in groups C08F251/00 - C08F287/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/02—Material of vegetable origin
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/47—Condensation polymers of aldehydes or ketones
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/60—Waxes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
- D21H17/72—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic material
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/18—Reinforcing agents
- D21H21/20—Wet strength agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Forests & Forestry (AREA)
- Materials Engineering (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses a kind of environment protection pressed-fibre board and its processing method based on modified liquid paraffin, the processing method include：The processing of modified liquid paraffin：Heating stirring is carried out after paraffin wax emulsions, acrylic acid, 10 emulsifiers of OP, potassium peroxydisulfate are mixed, obtains modified liquid paraffin；The processing 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；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
Technical Field
The invention relates to the field of fiberboard processing, in particular to an environment-friendly fiberboard based on modified liquid paraffin and a processing method thereof.
Background
The fiberboard is also named as a density board, which is an artificial board made of wood fibers or other plant cellulose fibers as raw materials and applied with urea-formaldehyde resin or other applicable adhesives, the adhesives and/or additives can be applied in the manufacturing process, and the fiberboard has the advantages of uniform material, small longitudinal and transverse strength difference, difficult cracking and the like, and has wide application. However, the existing fiber board has a plurality of defects that the strength is relatively low, and the fiber board is easy to expand and deform after absorbing water.
Therefore, the present invention provides an environmentally friendly fiberboard with high strength and excellent water resistance and a processing method thereof.
Disclosure of Invention
The invention aims to provide an environment-friendly fiberboard based on modified liquid paraffin and a processing method thereof, and solves the problems that the existing fiberboard has many defects, namely relatively low strength and easy expansion and deformation after water absorption.
In order to achieve the above object, the present invention provides a processing method of an environment-friendly fiberboard based on modified liquid paraffin, the processing method comprising:
(1) processing of the modified liquid paraffin: mixing the paraffin emulsion, acrylic acid, an OP-10 emulsifier and potassium persulfate, and then heating and stirring to obtain modified liquid paraffin;
(2) processing the environment-friendly fiberboard: mixing plant fiber, modified liquid paraffin, bamboo dust, wheat bran, urea-formaldehyde resin, latex, PPE wet strength agent, penetrating agent and water to obtain slurry;
(3) carrying out hot-press molding on the slurry to obtain an environment-friendly fiberboard; wherein,
relative to 100 parts by weight of paraffin emulsion, the using amount of acrylic acid is 12-25 parts by weight, the using amount of OP-10 emulsifier is 2-5 parts by weight, and the using amount of potassium persulfate is 3-7 parts by weight;
relative to 100 parts by weight of plant fiber, the modified liquid paraffin is 15-25 parts by weight, the bamboo sawdust is 10-20 parts by weight, the wheat bran is 10-20 parts by weight, the urea-formaldehyde resin is 2-8 parts by weight, the latex is 1-8 parts by weight, the PPE wet strength agent is 1-3 parts by weight, the penetrating agent is 1-3 parts by weight, and the water is 120-150 parts by weight.
The invention also provides an environment-friendly fiberboard based on the modified liquid paraffin, and the environment-friendly fiberboard is prepared by the processing method.
Through the technical scheme, the invention provides an environment-friendly fiberboard based on modified liquid paraffin and a processing method thereof, wherein the processing method comprises the following steps: processing of the modified liquid paraffin: mixing the paraffin emulsion, acrylic acid, an OP-10 emulsifier and potassium persulfate, and then heating and stirring to obtain modified liquid paraffin; processing the environment-friendly fiberboard: mixing plant fiber, modified liquid paraffin, bamboo dust, wheat bran, urea-formaldehyde resin, latex, PPE wet strength agent, penetrating agent and water to obtain slurry; carrying out hot-press molding on the slurry to obtain an environment-friendly fiberboard; the environment-friendly fiberboard prepared by the synergistic effect of the raw materials has high mechanical strength and is not easy to expand after absorbing water, and meanwhile, the method for processing the environment-friendly fiberboard is simple and the raw materials are easy to obtain.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Detailed Description
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.
The invention provides a processing method of an environment-friendly fiberboard based on modified liquid paraffin, which comprises the following steps:
(1) processing of the modified liquid paraffin: mixing the paraffin emulsion, acrylic acid, an OP-10 emulsifier and potassium persulfate, and then heating and stirring to obtain modified liquid paraffin;
(2) processing the environment-friendly fiberboard: mixing plant fiber, modified liquid paraffin, bamboo dust, wheat bran, urea-formaldehyde resin, latex, PPE wet strength agent, penetrating agent and water to obtain slurry;
(3) carrying out hot-press molding on the slurry to obtain an environment-friendly fiberboard; wherein,
relative to 100 parts by weight of paraffin emulsion, the using amount of acrylic acid is 12-25 parts by weight, the using amount of OP-10 emulsifier is 2-5 parts by weight, and the using amount of potassium persulfate is 3-7 parts by weight;
relative to 100 parts by weight of plant fiber, the modified liquid paraffin is 15-25 parts by weight, the bamboo sawdust is 10-20 parts by weight, the wheat bran is 10-20 parts by weight, the urea-formaldehyde resin is 2-8 parts by weight, the latex is 1-8 parts by weight, the PPE wet strength agent is 1-3 parts by weight, the penetrating agent is 1-3 parts by weight, and the water is 120-150 parts by weight.
In a preferred embodiment of the present invention, in order to further improve the strength and water resistance of the manufactured eco-friendly fiberboard, the penetrant is selected from one or more of sodium alkylsulfonate, sodium alkylbenzenesulfonate and sodium alkylsulfate.
In a preferred embodiment of the present invention, in order to further improve the strength and water resistance of the manufactured eco-friendly fiberboard, in the step (1), the heating and stirring conditions at least include: the heating temperature is 45-60 deg.C, the heating time is 15-25min, and the stirring speed is 80-100 r/min.
In a preferred embodiment of the present invention, in order to further improve the strength and water resistance of the manufactured eco-friendly fiberboard, in the step (3), the conditions of the hot press molding process at least include: the hot pressing temperature is 100-2-110kg/cm2。
In a preferred embodiment of the present invention, in order to further improve the strength and water resistance of the manufactured eco-friendly fiberboard, the bamboo chips and wheat bran are pulverized before use so that the average particle size thereof is not more than 100 mesh.
The invention also provides an environment-friendly fiberboard based on the modified liquid paraffin, and the environment-friendly fiberboard is prepared by the processing method.
The present invention will be described in detail below by way of examples. In the following examples, the bamboo dust and wheat bran were pulverized before use so that the average particle size was 80 mesh.
Example 1
Mixing 100g of paraffin emulsion, 12g of acrylic acid, 2gOP-10 emulsifier and 3g of potassium persulfate, and heating and stirring (the heating temperature is 45 ℃, the heating time is 15min, and the stirring speed is 80 r/min) to obtain the modified liquid stoneA wax; mixing 100g of plant fiber, 15g of modified liquid paraffin, 10g of bamboo sawdust, 10g of wheat bran, 2g of urea-formaldehyde resin, 1g of latex, 1g of PPE wet strength agent, 1g of sodium alkyl sulfonate and 120g of water to obtain slurry; subjecting the slurry to hot press molding (hot press temperature of 100 deg.C, hot press time of 10min, and hot press pressure of 30 kg/cm)2) The environment-friendly fiberboard A1 is obtained.
Example 2
Mixing 100g of paraffin emulsion, 25g of acrylic acid, 5gOP-10 emulsifier and 7g of potassium persulfate, and then heating and stirring (the heating temperature is 60 ℃, the heating time is 25min, and the stirring speed is 100 r/min) to obtain modified liquid paraffin; mixing 100g of plant fiber, 25g of modified liquid paraffin, 20g of bamboo sawdust, 20g of wheat bran, 8g of urea-formaldehyde resin, 8g of latex, 3g of PPE wet strength agent, 3g of sodium alkyl benzene sulfonate and 150g of water to obtain slurry; subjecting the slurry to hot press molding (hot press temperature of 150 deg.C, hot press time of 20min, and hot press pressure of 110 kg/cm)2) The environment-friendly fiberboard A2 is obtained.
Example 3
Mixing 100g of paraffin emulsion, 20g of acrylic acid, 3gOP-10 emulsifier and 5g of potassium persulfate, and then heating and stirring (the heating temperature is 55 ℃, the heating time is 20min, and the stirring speed is 90 r/min) to obtain modified liquid paraffin; mixing 100g of plant fiber, 20g of modified liquid paraffin, 15g of bamboo sawdust, 15g of wheat bran, 5g of urea-formaldehyde resin, 4g of latex, 2g of PPE wet strength agent, 2g of sodium alkyl sulfate and 165g of water to obtain slurry; subjecting the slurry to hot press molding (hot press temperature of 120 deg.C, hot press time of 15min, and hot press pressure of 70 kg/cm)2) The environment-friendly fiberboard A3 is obtained.
Comparative example 1
The procedure was followed as in example 3, except that the amount of acrylic acid used was 10g, the amount of OP-10 emulsifier used was 1g, and the amount of potassium persulfate used was 2g, relative to 100g of the paraffin emulsion; relative to 100g of plant fiber, the dosage of the modified liquid paraffin is 12g, the dosage of the bamboo sawdust is 7g, the dosage of the wheat bran is 7g, the dosage of the urea-formaldehyde resin is 1g, the dosage of the latex is 0.5g, the dosage of the PPE wet strength agent is 0.5g, the dosage of the penetrating agent is 0.5g, and the dosage of the water is 100g, so that the environment-friendly fiberboard D1 is obtained.
Comparative example 2
The procedure was followed as in example 3, except that the amount of acrylic acid used was 30g, the amount of OP-10 emulsifier used was 7g, and the amount of potassium persulfate used was 9g, relative to 100g of the paraffin emulsion; relative to 100g of plant fiber, the using amount of the modified liquid paraffin is 28g, the using amount of the bamboo dust is 25g, the using amount of the wheat bran is 25g, the using amount of the urea-formaldehyde resin is 10g, the using amount of the latex is 10g, the using amount of the PPE wet strength agent is 5g, the using amount of the penetrating agent is 5g, and the using amount of water is 170g, so that the environment-friendly fiberboard D2 is obtained.
Test example
Bending property detection, impact toughness detection and tensile property detection are carried out on the prepared environment-friendly fiber boards A1-A3, D1 and D2, wherein the bending property detection is carried out according to the GB/T1449-2005 fiber reinforced plastic bending property test method standard, the impact toughness detection is carried out according to the GB/T1451-2005 fiber reinforced plastic simply-supported beam impact toughness test method standard, and the tensile property detection is carried out according to the GB/T1447-2005 fiber reinforced plastic tensile property test method standard;
the prepared environment-friendly fiber boards A1-A3, D1 and D2 are respectively soaked in water for 48 hours, and the surface expansion phenomenon is penetrated through.
As can be seen from the data in Table 1, the fiber boards A1-A3 prepared within the scope of the invention have excellent mechanical properties, and also have excellent water resistance and are not easy to swell when meeting water, and the fiber boards D1 and D2 prepared outside the scope of the invention have relatively poor performance in all aspects.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (5)
1. The processing method of the environment-friendly fiberboard based on the modified liquid paraffin is characterized by comprising the following steps of:
(1) processing of the modified liquid paraffin: mixing the paraffin emulsion, acrylic acid, an OP-10 emulsifier and potassium persulfate, and then heating and stirring to obtain modified liquid paraffin;
(2) processing the environment-friendly fiberboard: mixing plant fiber, modified liquid paraffin, bamboo dust, wheat bran, urea-formaldehyde resin, latex, PPE wet strength agent, penetrating agent and water to obtain slurry;
(3) carrying out hot-press molding on the slurry to obtain an environment-friendly fiberboard; wherein,
relative to 100 parts by weight of paraffin emulsion, the using amount of acrylic acid is 12-25 parts by weight, the using amount of OP-10 emulsifier is 2-5 parts by weight, and the using amount of potassium persulfate is 3-7 parts by weight;
relative to 100 parts by weight of plant fiber, the using amount of the modified liquid paraffin is 15-25 parts by weight, the using amount of the bamboo dust is 10-20 parts by weight, the using amount of the wheat bran is 10-20 parts by weight, the using amount of the urea-formaldehyde resin is 2-8 parts by weight, the using amount of the latex is 1-8 parts by weight, the using amount of the PPE wet strength agent is 1-3 parts by weight, the using amount of the penetrating agent is 1-3 parts by weight, and the using amount of the water is 120 parts by weight;
the penetrant is selected from one or more of sodium alkyl sulfonate, sodium alkyl benzene sulfonate and sodium alkyl sulfate.
2. The process of claim 1, wherein in step (1), the conditions of heating and stirring include at least: the heating temperature is 45-60 deg.C, the heating time is 15-25min, and the stirring speed is 80-100 r/min.
3. The processing method according to claim 1, wherein in the step (3), the conditions of the hot press molding process include at least: the hot pressing temperature is 100-2-110kg/cm2。
4. The processing method according to claim 1, wherein the bamboo chips and wheat bran are pulverized before use so that the average particle size is not more than 100 mesh.
5. An environment-friendly fiberboard based on modified liquid paraffin, characterized in that the environment-friendly fiberboard is prepared by the processing method of any one of claims 1 to 4.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810560622.8A CN108755278A (en) | 2017-07-15 | 2017-07-15 | A kind of environment protection pressed-fibre board and its processing method of modified liquid paraffin |
| CN201810560582.7A CN108729307A (en) | 2017-07-15 | 2017-07-15 | A kind of environment protection pressed-fibre board and its processing method based on modified liquid paraffin |
| CN201810560490.9A CN108705647A (en) | 2017-07-15 | 2017-07-15 | Environment protection pressed-fibre board based on modified liquid paraffin and its processing method |
| CN201710577862.4A CN107217546B (en) | 2017-07-15 | 2017-07-15 | Environment protection pressed-fibre board based on modified liquid paraffin and its processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN201810560582.7A Division CN108729307A (en) | 2017-07-15 | 2017-07-15 | A kind of environment protection pressed-fibre board and its processing method based on modified liquid paraffin |
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- 2017-07-15 CN CN201710577862.4A patent/CN107217546B/en active Active
- 2017-07-15 CN CN201810560490.9A patent/CN108705647A/en active Pending
- 2017-07-15 CN CN201810560622.8A patent/CN108755278A/en active Pending
- 2017-07-15 CN CN201810560582.7A patent/CN108729307A/en active Pending
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| CN101745966A (en) * | 2008-12-13 | 2010-06-23 | 王永 | Dry manufacturing method for bagasse fiber board |
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Also Published As
| Publication number | Publication date |
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| CN108755278A (en) | 2018-11-06 |
| CN108705647A (en) | 2018-10-26 |
| CN107217546A (en) | 2017-09-29 |
| CN108729307A (en) | 2018-11-02 |
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Effective date of registration: 20201102 Address after: 074000 longwantou forest area, Jiecun forest farm, Yi County, Baoding City, Hebei Province Patentee after: Yixian Shenglin board Co.,Ltd. Address before: 241000, Anhui 415, Yijiang province Wuhu No. seven business incubator Park No. Patentee before: WUHU QIANKAI MATERIAL TECHNOLOGY Co.,Ltd. |
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Denomination of invention: Environmentally friendly fiberboard based on modified liquid paraffin and its processing method Granted publication date: 20180727 Pledgee: China Postal Savings Bank Co.,Ltd. Yixian Branch Pledgor: Yixian Shenglin board Co.,Ltd. Registration number: Y2024980031295 |