CN108729307A - A kind of environment protection pressed-fibre board and its processing method based on modified liquid paraffin - Google Patents
A kind of environment protection pressed-fibre board and its processing method based on modified liquid paraffin Download PDFInfo
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- CN108729307A CN108729307A CN201810560582.7A CN201810560582A CN108729307A CN 108729307 A CN108729307 A CN 108729307A CN 201810560582 A CN201810560582 A CN 201810560582A CN 108729307 A CN108729307 A CN 108729307A
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- 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
-
- 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
- B27N3/08—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
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, OP-10 emulsifiers, 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；Solve the problems, such as current fiberboard there is also intensity it is relatively low, water suction after be easy dilatancy.
Description
Original bill application number： 2017105778624.
The original bill applying date：On July 15th, 2017.
Technical field
The present invention relates to fiberboard manufacture fields, and in particular, to a kind of environment protection pressed-fibre board based on modified liquid paraffin
And its processing method.
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 environment protection pressed-fibre board of excellent water resistance and its processing method
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 its processing method based on modified liquid paraffin, solves
There is also many shortcomings for current fiberboard, 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 processing sides of the environment protection pressed-fibre board based on modified liquid paraffin
Method, the processing method include：
（1）The processing of modified liquid paraffin：Added after paraffin wax emulsions, acrylic acid, OP-10 emulsifiers, potassium peroxydisulfate are mixed
Thermal agitation obtains modified liquid paraffin；
（2）The processing 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；Wherein,
Relative to the paraffin wax emulsions of 100 parts by weight, the dosage of acrylic acid is 12-25 parts by weight, and the dosage of OP-10 emulsifiers is 2-
The dosage of 5 parts by weight, potassium peroxydisulfate 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.
The present invention also provides a kind of environment protection pressed-fibre boards based on modified liquid paraffin, and the environment protection pressed-fibre board is by above-mentioned
Processing method is made.
Through the above technical solutions, the present invention provides a kind of environment protection pressed-fibre board based on modified liquid paraffin and its processing
Method, the processing method include：The processing of modified liquid paraffin：By paraffin wax emulsions, acrylic acid, OP-10 emulsifiers, persulfuric acid
Heating stirring is carried out after potassium mixing, obtains modified liquid paraffin；The processing of environment protection pressed-fibre board：By plant fiber, modified liquid stone
Slurry is obtained after wax, bamboo scraps, wheat bran, Lauxite, latex, PPE wet strength agents, bleeding agent and water mixing；By slurry through being hot pressed into
Type technique obtains environment protection pressed-fibre board；Environment protection pressed-fibre board obtained is made to have higher machine by the synergistic effect between each raw material
Tool intensity, and be not easy to expand after absorbing water, while the method for being used to process the environment protection pressed-fibre board 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 processing method of the environment protection pressed-fibre board based on modified liquid paraffin, the processing method packets
It includes：
（1）The processing of modified liquid paraffin：Added after paraffin wax emulsions, acrylic acid, OP-10 emulsifiers, potassium peroxydisulfate are mixed
Thermal agitation obtains modified liquid paraffin；
（2）The processing 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；Wherein,
Relative to the paraffin wax emulsions of 100 parts by weight, the dosage of acrylic acid is 12-25 parts by weight, and the dosage of OP-10 emulsifiers is 2-
The dosage of 5 parts by weight, potassium peroxydisulfate 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.
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）In, 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, in step（3）In, the condition of hot press forming technology includes at least：Hot pressing temperature is 100-150 DEG C, hot pressing time
For 10-20min, hot pressing pressure 30kg/cm2-110kg/cm2。
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 boards based on modified liquid paraffin, and the environment protection pressed-fibre board is by above-mentioned
Processing method is made.
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 acrylic acid, 2gOP-10 emulsifiers, 3g potassium peroxydisulfates are mixed（Heating
Temperature be 45 DEG C, time of heating is 15min, and the speed of stirring is 80r/min）, obtain modified liquid paraffin；100g is planted
Fibres, 15g modified liquids paraffin, 10g bamboo scraps, 10g wheat bran, 2g Lauxites, 1g latexes, 1gPPE wet strength agents, 1g alkyl sulphurs
Slurry is obtained after sour sodium and the mixing of 120g water；By slurry technique through hot press molding（Hot pressing temperature is 100 DEG C, and hot pressing time is
10min, hot pressing pressure 30kg/cm2）Obtain environment protection pressed-fibre board A1.
Embodiment 2
Heating stirring is carried out after 100g paraffin wax emulsions, 25g acrylic acid, 5gOP-10 emulsifiers, 7g potassium peroxydisulfates are mixed（Heating
Temperature be 60 DEG C, time of heating is 25min, and the speed of stirring is 100r/min）, obtain modified liquid paraffin；By 100g
Plant fiber, 25g modified liquids paraffin, 20g bamboo scraps, 20g wheat bran, 8g Lauxites, 8g latexes, 3gPPE wet strength agents, 3g alkyl
Slurry is obtained after benzene sulfonic acid sodium salt and the mixing of 150g water；By slurry technique through hot press molding（Hot pressing temperature is 150 DEG C, hot pressing time
For 20min, hot pressing pressure 110kg/cm2）Obtain environment protection pressed-fibre board A2.
Embodiment 3
Heating stirring is carried out after 100g paraffin wax emulsions, 20g acrylic acid, 3gOP-10 emulsifiers, 5g potassium peroxydisulfates are mixed（Heating
Temperature be 55 DEG C, time of heating is 20min, and the speed of stirring is 90r/min）, obtain modified liquid paraffin；100g is planted
Fibres, 20g modified liquids paraffin, 15g bamboo scraps, 15g wheat bran, 5g Lauxites, 4g latexes, 2gPPE wet strength agents, 2g alkyl sulfides
Slurry is obtained after acid esters sodium and the mixing of 165g water；By slurry technique through hot press molding（Hot pressing temperature is 120 DEG C, and hot pressing time is
15min, hot pressing pressure 70kg/cm2）Obtain environment protection pressed-fibre board A3.
Comparative example 1
It is carried out according to the method for embodiment 3, unlike, relative to the paraffin wax emulsions of 100g, the dosage of acrylic acid is 10g, OP-
The dosage of 10 emulsifiers is 1g, and the dosage of potassium peroxydisulfate is 2g；Relative to the plant fiber of 100g, the dosage of modified liquid paraffin
Dosage for 12g, 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, and PPE is wet
The dosage of strong agent 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 dosage of acrylic acid is 30g, OP-
The dosage of 10 emulsifiers is 7g, and the dosage of potassium peroxydisulfate is 9g；Relative to the plant fiber of 100g, the dosage of modified liquid paraffin
Dosage for 28g, 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 10g, PPE
The dosage of 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 inspection are carried out to environment protection pressed-fibre board A1-A3, D1 and D2 obtained
It surveys, wherein bending property detection is according to GB/T 1449-2005《Fibre reinforced plastics bending property test method》Standard carries out
Detection, impact flexibility detection are according to GB/T 1451-2005《Fibre reinforced plastics freely-supported beam type impact ductility test method》Standard
It is detected, tensile property detection is according to GB/T 1447-2005《Fibre reinforced plastics Erichsen test method》Standard carries out
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
| Embodiment is numbered | Bending strength（MPa） | Impact flexibility（kj/m2） | Tensile stress（MPa） | Water resistance |
| Embodiment 1 | 47 | 30 | 37 | Without swelling |
| Embodiment 2 | 50 | 31 | 35 | Without swelling |
| Embodiment 3 | 49 | 32 | 35 | Without swelling |
| Comparative example 1 | 31 | 17 | 22 | Slight expansion |
| Comparative example 2 | 28 | 16 | 21 | Serious expansion |
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,
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 various aspects
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, arbitrary group can also be carried out between a variety of different embodiments of the present invention
It closes, as long as it does not violate the idea of the present invention, it should also be regarded as the disclosure of the present invention.
Claims (3)
1. a kind of processing method of the environment protection pressed-fibre board based on modified liquid paraffin, which is characterized in that the processing method includes：
（1）The processing of modified liquid paraffin：Added after paraffin wax emulsions, acrylic acid, OP-10 emulsifiers, potassium peroxydisulfate are mixed
Thermal agitation obtains modified liquid paraffin；
（2）The processing 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；Wherein,
Relative to the paraffin wax emulsions of 100 parts by weight, the dosage of acrylic acid is 12-25 parts by weight, and the dosage of OP-10 emulsifiers is 2-
The dosage of 5 parts by weight, potassium peroxydisulfate 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；
The bleeding agent is one or more in sodium alkyl sulfonate, sodium alkyl benzene sulfonate and alkyl sulfate sodium；
In step（1）In, the condition of heating stirring includes at least：The temperature of heating is 45-60 DEG C, and the time of heating is 15-
The speed of 25min, stirring are 80-100r/min；
The bamboo scraps and wheat bran need to crush before use, its average grain diameter is made to be not higher than 100 mesh.
2. processing method according to claim 1, wherein in step（3）In, the condition of hot press forming technology is at least wrapped
It includes：Hot pressing temperature is 100-150 DEG C, hot pressing time 10-20min, hot pressing pressure 30kg/cm2-110kg/cm2。
3. a kind of environment protection pressed-fibre board based on modified liquid paraffin, which is characterized in that the environment protection pressed-fibre board is by claim 1-2
Any one of described in processing method be made.
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| 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 |
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| CN201710577862.4A CN107217546B (en) | 2017-07-15 | 2017-07-15 | Environment protection pressed-fibre board based on modified liquid paraffin and its processing method |
| 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 |
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| CN201810560490.9A Pending CN108705647A (en) | 2017-07-15 | 2017-07-15 | Environment protection pressed-fibre board based on modified liquid paraffin and its processing method |
| CN201810560582.7A Pending 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110041716A (en) * | 2019-04-30 | 2019-07-23 | 沈钜岳 | A kind of preparation method of solid emulsified wax |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108705647A (en) | 2018-10-26 |
| CN107217546A (en) | 2017-09-29 |
| CN108755278A (en) | 2018-11-06 |
| CN107217546B (en) | 2018-07-27 |
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