CN107828223A - A kind of preparation method of biomass macromolecule sheet material - Google Patents
A kind of preparation method of biomass macromolecule sheet material Download PDFInfo
- Publication number
- CN107828223A CN107828223A CN201710755947.7A CN201710755947A CN107828223A CN 107828223 A CN107828223 A CN 107828223A CN 201710755947 A CN201710755947 A CN 201710755947A CN 107828223 A CN107828223 A CN 107828223A
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- Prior art keywords
- sheet material
- mould
- mesh
- preparation
- stirred tank
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Classifications
-
- 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
- C08L97/005—Lignin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/04—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/04—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds
- B29C2043/046—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds travelling between different stations, e.g. feeding, moulding, curing stations
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
Abstract
The invention discloses a kind of preparation method of biomass macromolecule sheet material, step includes：First partial lignin is put into stirred tank, the rotating speed of stirred tank is 700~900r/min；Aluminium hydrate powder is put into stirred tank again, stirred, then paraffin and resin-oatmeal are put into stirred tank, stirs, finally puts into partial lignin in stirred tank, is stirred；Mould cloth；Mould is placed on vibratory equipment, the vibratory equipment applies the mechanical oscillation of vertical direction to the mixed material in mould；Normal temperature precompressed；Hot-press solidifying；Cool；Die sinking；Curing；Deburring is cut；Fixed thick sanding；Polishing.The biomass macromolecule sheet material prepared using the present invention has the beneficial effect that：1st, there is very high intensity and hardness, there is good secondary workability；2nd, not aqueous, extremely low water absorption rate, do not shunk in high temperature, high humidity environment, not buckling deformation；3rd, there is good anti-flammability.
Description
Technical field
The present invention relates to architectural decoration field, more particularly to a kind of preparation method of biomass macromolecule sheet material.
Background technology
Resin type artificial stone be using unsaturated polyester resin as cementing agent, with aluminium hydrate powder, natural marble rubble,
Quartz sand, calcite, stone flour or other inorganic fillers coordinate according to a certain percentage, and it is outer to add catalyst, curing agent, pigment etc.
The process such as agent, blended stirring, curing molding, demoulding drying, surface polishing is added to be process.Existing resin type artificial stone
Mainly there are following two shortcomings：
1st, resin type artificial stone be using unsaturated polyester resin as cementing agent, because unsaturated polyester resin is liquid,
Other inorganic fillers are solid powder, are not easy to be well mixed during mixing, during mixing easy heat production cause resin premature cure, make
It is uneven into finished product sheet material material, easily cracking, buckling deformation.
2nd, resin type artificial stone is that resin demand is too big using unsaturated polyester resin as cementing agent, causes finished product sheet material
Cost is higher, non-refractory and belongs to combustible material.
The content of the invention
In order to overcome prior art defect, the present invention proposes a kind of preparation method of biomass macromolecule sheet material, step
Including：
1) lignin is put into microwave dryer, made using microwave radiation the drying temperature in equipment maintain 70~
80 DEG C, the duration is 20~30min so that the water content of lignin is less than 5%；
2) lignin is put into final grinder and crushed so that the mesh number of lignin is 400~600；
3) mass fraction is pressed, 85~90 parts of lignin, 3~5 parts of aluminium hydrate powders, 1~2 part of stone made from selecting step 2
Wax and 6~8 parts of resin-oatmeals；
4) first 38~40 parts of lignin are put into stirred tank, the rotating speed of stirred tank is 700~900r/min；Again by 3
~5 parts of aluminium hydrate powders are put into stirred tank, and mixing time is 5~10min；Again by 1~2 part of paraffin and 6~8 parts of resin-oatmeals
Put into stirred tank, mixing time is 10~25min；Finally 47~50 parts of lignin are put into stirred tank, during stirring
Between be 20~30min；
5) one layer of processing release paper is laid on the bottom plate of mould, then loads onto dismountable four die side plates, four moulds
Side wall inner surfaces apply be covered with polytetrafluorethylecoatings coatings；
6) mixed material made from step 4 is uniformly injected into mould, strike off it is material bed after, spread in the top of material one layer it is de-
Mould paper, along with die cover plate；
7) mould is placed on vibratory equipment, the vibratory equipment applies the machine of vertical direction to the mixed material in mould
Tool vibrates, and time of vibration is 5~10min, and vibration frequency is 2000~3000Hz, and amplitude is 0.15~0.35mm；
8) hot-press solidifying
81) mould is put into hot pressing mechanism, precompressed is carried out under normal temperature, pressure is 20~25MPa, and the time is 3~10min；
82) hot pressing mechanism is warming up to 80~100 DEG C, and pressure is 25~30MPa, and the time is 8~12min；
83) hot pressing mechanism is warming up to 120~140 DEG C, and pressure is 25~30MPa, and the time is 10~15min；
84) hot pressing mechanism is warming up to 140~160 DEG C, and pressure is 25~30MPa, and the time is 10~15min；
9) cool
After mould takes out from hot-pressing system, water cooled system is cooled to 60~80 DEG C, then is cooled to often through air cooling system
Temperature；
10) after cooling terminates, open and covered on mould, remove bottom plate frame, take out after the workblank sheet material after shaping by 7~
The curing of 10 days is stable.
Preferred scheme is：Also include deburring cutting, fixed thick sanding and polishing step after step 10.
Preferred scheme is：The aluminium-hydroxide powder is 325~400 mesh.
Preferred scheme is：The resin-oatmeal is from thermosetting phenol-formaldehyde resin powder end.
Preferred scheme is：All plate faces of mould pass through polishing.
Preferred scheme is：The processing release paper is brown paper or wheat cangue paper.
Preferred scheme is：Workblank sheet material after shaping enters diced system and carries out four side surface trimmings, and often side excision 4~
5mm。
Preferred scheme is：Workblank sheet material after deburring cutting enters sanding system and carries out fixed thick sanding, and the three of sanding system
Level abrasive band mesh number is respectively 60 mesh, 80 mesh, 120 mesh.
Preferred scheme is：Sheet material after fixed thick sanding is polished into polishing system, the three-level abrasive band mesh of polishing system
Number is respectively 240 mesh, 320 mesh, 600 mesh.
The biomass macromolecule sheet material prepared using the present invention has the beneficial effect that：
1st, there is very high intensity and hardness, there is good secondary workability；
2nd, not aqueous, extremely low water absorption rate, do not shunk in high temperature, high humidity environment, not buckling deformation；
3rd, there is good anti-flammability.
Brief description of the drawings
Fig. 1 is the FB(flow block) of the present invention.
Embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1
A kind of preparation method of biomass macromolecule sheet material is present embodiments provided, step includes：
1) lignin is put into microwave dryer, the drying temperature in equipment is maintained 70 using microwave radiation
DEG C, duration 20min so that the water content of lignin is less than 5%；
2) lignin is put into final grinder and crushed, choose the lignin that mesh number is 400；
3) mass fraction is pressed, 85 parts of lignin, 3 parts of aluminium hydrate powders, 1 part of paraffin and 6 parts of thermosettings made from selecting step 2
Property Phenolic resin powder, the aluminium-hydroxide powder is 325 mesh, and the paraffin is semi-refined No. 58 paraffin particles；
4) first 38 parts of lignin are put into stirred tank, the rotating speed of stirred tank is 700r/min；Again by 3 parts of aluminium hydroxides
Powder is put into stirred tank, mixing time 5min；1 part of paraffin and 6 parts of resin-oatmeals are put into stirred tank again, mixing time
For 10min；Finally 47 parts of lignin are put into stirred tank, mixing time 20min；
5) one layer of brown paper is laid on the bottom plate of mould, then loads onto dismountable four die side plates, four moulds
Side wall inner surfaces polishing after apply be covered with polytetrafluorethylecoatings coatings；
6) mixed material made from step 4 is uniformly injected into mould, strike off it is material bed after, material top spread one layer of ox
Mulberry paper, along with die cover plate；
7) mould is placed on vibratory equipment, the vibratory equipment applies the machine of vertical direction to the mixed material in mould
Tool vibrates, time of vibration 5min, vibration frequency 2000Hz, amplitude 0.15mm；
8) hot-press solidifying
81) mould is put into hot pressing mechanism, precompressed, pressure 20MPa, time 3min is carried out under normal temperature；
82) hot pressing mechanism is warming up to 80 DEG C, pressure 25MPa, time 8min；
83) hot pressing mechanism is warming up to 120 DEG C, pressure 25MPa, time 10min；
84) hot pressing mechanism is warming up to 140 DEG C, pressure 25MPa, time 10min；
9) cool
After mould takes out from hot-pressing system, water cooled system is cooled to 60~80 DEG C, then is cooled to often through air cooling system
Temperature；
10) after cooling terminates, covered on opening mould, dismounting bottom plate frame, by 7 days after the workblank sheet material after taking-up shaping
Curing it is stable.
11) workblank sheet material after being molded enters diced system and carries out four side surface trimmings, the excision 4mm per side；
12) workblank sheet material after deburring cutting carries out determining thick sanding into sanding system.The three-level abrasive band mesh of sanding system
Number is respectively 60 mesh, 80 mesh, 120 mesh；
13) sheet material after fixed thick sanding carries out regulation into polishing system and requires surface polishing, the three-level sand of polishing system
Band mesh number is respectively 240 mesh, 320 mesh, 600 mesh, and the sheet material after polishing has higher flatness and finish, while has crow
The thick and heavy texture of wood.
Table 1 is the detection correction data that sheet material is made with traditional preparation methods for the present embodiment
Table 1
Embodiment 2
A kind of preparation method of biomass macromolecule sheet material is present embodiments provided, step includes：
1) lignin is put into microwave dryer, the drying temperature in equipment is maintained 80 using microwave radiation
DEG C, duration 30min so that the water content of lignin is less than 5%；
2) lignin is put into final grinder and crushed, choose the lignin that mesh number is 600；
3) mass fraction is pressed, 90 parts of lignin, 5 parts of aluminium hydrate powders, 2 parts of paraffin and 8 parts of thermosettings made from selecting step 2
Property Phenolic resin powder, the aluminium-hydroxide powder is 400 mesh, and the paraffin is semi-refined No. 58 paraffin particles；
4) first 40 parts of lignin are put into stirred tank, the rotating speed of stirred tank is 900r/min；Again by 5 parts of aluminium hydroxides
Powder is put into stirred tank, mixing time 10min；2 parts of paraffin and 8 parts of resin-oatmeals are put into stirred tank again, during stirring
Between be 25min；Finally 50 parts of lignin are put into stirred tank, mixing time 30min；
5) one layer of wheat cangue paper is laid on the bottom plate of mould, then loads onto dismountable four die side plates, four moulds
Side wall inner surfaces polishing after apply be covered with polytetrafluorethylecoatings coatings；
6) mixed material made from step 4 is uniformly injected into mould, strike off it is material bed after, material top spread one layer of wheat
Cangue paper, along with die cover plate；
7) mould is placed on vibratory equipment, the vibratory equipment applies the machine of vertical direction to the mixed material in mould
Tool vibrates, time of vibration 10min, vibration frequency 3000Hz, amplitude 0.35mm；
8) hot-press solidifying
81) mould is put into hot pressing mechanism, precompressed, pressure 25MPa, time 10min is carried out under normal temperature；
82) hot pressing mechanism is warming up to 100 DEG C, pressure 30MPa, time 12min；
83) hot pressing mechanism is warming up to 140 DEG C, pressure 30MPa, time 15min；
84) hot pressing mechanism is warming up to 160 DEG C, pressure 30MPa, time 15min；
9) cool
After mould takes out from hot-pressing system, water cooled system is cooled to 60~80 DEG C, then is cooled to often through air cooling system
Temperature；
10) after cooling terminates, covered on opening mould, dismounting bottom plate frame, by 10 after the workblank sheet material after taking-up shaping
It curing is stable.
11) workblank sheet material after being molded enters diced system and carries out four side surface trimmings, the excision 5mm per side；
12) workblank sheet material after deburring cutting carries out determining thick sanding into sanding system.The three-level abrasive band mesh of sanding system
Number is respectively 60 mesh, 80 mesh, 120 mesh；
13) sheet material after fixed thick sanding carries out regulation into polishing system and requires surface polishing, the three-level sand of polishing system
Band mesh number is respectively 240 mesh, 320 mesh, 600 mesh, and the sheet material after polishing has higher flatness and finish, while has crow
The thick and heavy texture of wood.
Table 2 is the detection correction data that sheet material is made with traditional preparation methods for the present embodiment
Table 2
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the legend with description.
Claims (9)
1. a kind of preparation method of biomass macromolecule sheet material, it is characterised in that step includes：
1) lignin is put into microwave dryer, the drying temperature in equipment is maintained 70~80 using microwave radiation
DEG C, the duration is 20~30min so that the water content of lignin is less than 5%；
2) lignin is put into final grinder and crushed so that the mesh number of lignin is 400~600；
3) mass fraction is pressed, 85~90 parts of lignin, 3~5 parts of aluminium hydrate powders, 1~2 part of paraffin and 6 made from selecting step 2
~8 parts of resin-oatmeals；
4) first 38~40 parts of lignin are put into stirred tank, the rotating speed of stirred tank is 700~900r/min；Again by 3~5 parts
Aluminium hydrate powder is put into stirred tank, and mixing time is 5~10min；Again by 1~2 part of paraffin and 6~8 parts of resin-oatmeal inputs
Into stirred tank, mixing time is 10~25min；Finally 47~50 parts of lignin are put into stirred tank, mixing time is
20~30min；
5) one layer of processing release paper is laid on the bottom plate of mould, then loads onto dismountable four die side plates, the side of four moulds
Plate inner surface applies and is covered with polytetrafluorethylecoatings coatings；
6) mixed material made from step 4 is uniformly injected into mould, strike off it is material bed after, material top spread one layer the demoulding
Paper, along with die cover plate；
7) mould is placed on vibratory equipment, the machinery that the vibratory equipment applies vertical direction to the mixed material in mould shakes
Dynamic, time of vibration is 5~10min, and vibration frequency is 2000~3000Hz, and amplitude is 0.15~0.35mm；
8) hot-press solidifying
81) mould is put into hot pressing mechanism, precompressed is carried out under normal temperature, pressure is 20~25MPa, and the time is 3~10min；
82) hot pressing mechanism is warming up to 80~100 DEG C, and pressure is 25~30MPa, and the time is 8~12min；
83) hot pressing mechanism is warming up to 120~140 DEG C, and pressure is 25~30MPa, and the time is 10~15min；
84) hot pressing mechanism is warming up to 140~160 DEG C, and pressure is 25~30MPa, and the time is 10~15min；
9) cool
After mould takes out from hot-pressing system, water cooled system is cooled to 60~80 DEG C, then is cooled to normal temperature through air cooling system；
10) after cooling terminates, covered on opening mould, dismounting bottom plate frame, by 7~10 days after the workblank sheet material after taking-up shaping
Curing it is stable.
2. the preparation method of biomass macromolecule sheet material according to claim 1, it is characterised in that after step 10 also
Including deburring cutting, fixed thick sanding and polishing step.
3. the preparation method of biomass macromolecule sheet material according to claim 1, it is characterised in that the aluminium hydrate powder
End is 325~400 mesh.
4. the preparation method of biomass macromolecule sheet material according to claim 1, it is characterised in that the resin-oatmeal is selected
Thermosetting phenol-formaldehyde resin powder end.
5. the preparation method of biomass macromolecule sheet material according to claim 1, it is characterised in that all plates of mould
Polishing is passed through in face.
6. the preparation method of biomass macromolecule sheet material according to claim 1, it is characterised in that the processing release paper is ox
Mulberry paper or wheat cangue paper.
7. the preparation method of biomass macromolecule sheet material according to claim 1, it is characterised in that the blank flat after shaping
Material enters diced system and carries out four side surface trimmings, and 4~5mm is cut off per side.
8. the preparation method of biomass macromolecule sheet material according to claim 1, it is characterised in that the blank flat after shaping
Material enters diced system, and the workblank sheet material after deburring cutting carries out determining thick sanding, the three-level sand of sanding system into sanding system
Band mesh number is respectively 60 mesh, 80 mesh, 120 mesh.
9. the preparation method of biomass macromolecule sheet material according to claim 1, it is characterised in that the blank flat after shaping
Material enters diced system, and the workblank sheet material after deburring cutting carries out determining thick sanding, the sheet material after fixed thick sanding into sanding system
It is polished into polishing system, the three-level abrasive band mesh number of polishing system is respectively 240 mesh, 320 mesh, 600 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710755947.7A CN107828223A (en) | 2017-08-29 | 2017-08-29 | A kind of preparation method of biomass macromolecule sheet material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710755947.7A CN107828223A (en) | 2017-08-29 | 2017-08-29 | A kind of preparation method of biomass macromolecule sheet material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107828223A true CN107828223A (en) | 2018-03-23 |
Family
ID=61643220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710755947.7A Pending CN107828223A (en) | 2017-08-29 | 2017-08-29 | A kind of preparation method of biomass macromolecule sheet material |
Country Status (1)
| Country | Link |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408740A (en) * | 2011-11-10 | 2012-04-11 | 程贤甦 | Molding compound modified by organosolv lignin or derivative thereof and preparation method thereof |
| CN102585531A (en) * | 2011-12-14 | 2012-07-18 | 东北林业大学 | Lignin-epoxy resin composite material and preparation method thereof |
| CN102753626A (en) * | 2010-02-10 | 2012-10-24 | 日立化成工业株式会社 | Resin composition, molded body and composite molded body |
-
2017
- 2017-08-29 CN CN201710755947.7A patent/CN107828223A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102753626A (en) * | 2010-02-10 | 2012-10-24 | 日立化成工业株式会社 | Resin composition, molded body and composite molded body |
| CN104497605A (en) * | 2010-02-10 | 2015-04-08 | 日立化成工业株式会社 | Composite Molded Body |
| CN102408740A (en) * | 2011-11-10 | 2012-04-11 | 程贤甦 | Molding compound modified by organosolv lignin or derivative thereof and preparation method thereof |
| CN102585531A (en) * | 2011-12-14 | 2012-07-18 | 东北林业大学 | Lignin-epoxy resin composite material and preparation method thereof |
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Application publication date: 20180323 |
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