CN106497110A - A kind of moulding material and preparation method thereof - Google Patents
A kind of moulding material and preparation method thereof Download PDFInfo
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- CN106497110A CN106497110A CN201510562931.5A CN201510562931A CN106497110A CN 106497110 A CN106497110 A CN 106497110A CN 201510562931 A CN201510562931 A CN 201510562931A CN 106497110 A CN106497110 A CN 106497110A
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Abstract
The present invention relates to a kind of moulding material and preparation method thereof.Described moulding material is made up of the component for including following weight portion：100 parts of wood powder, 40～60 parts of bamboo fibre, 5～20 parts of coupling agent, 30～60 parts of fire-retardant filler, 40～100 parts of polystyrene gluing agent.The present invention adopts wood powder, bamboo fibre, fire-retardant filler and the agent of polystyrene gluing are primary raw material, first by wood powder in mixed process, bamboo fibre mix homogeneously is simultaneously infiltrated with coupling agent, it is subsequently adding fire-retardant filler and continues mixing, as the particle diameter of fire-retardant filler is less than the particle diameter of wood powder, wood powder and fire-retardant filler preferably can be mixed, form the dispersion of fire-retardant filler cladding wood powder and bamboo fibre, improve the fire resistance of material, fire-retardant filler in combustion process in formula coordinates the Intumescent Retardant System of polystyrene gluing agent, the overall flame performance of moulding material can be greatly improved.
Description
Technical field
The invention belongs to field of compound material, and in particular to a kind of moulding material and preparation method thereof.
Background technology
, because machine-shaping is convenient, mould is simple for moulding technology, product quality is high and widely used.
Present moulding technology is by molten thermoplastic material mostly, then is molded.The moulding process processing temperature
Degree is higher, and energy waste is larger.
In terms of timber and plastics comprehensive utilization, it is Wood-plastic material to currently use more, will wooden material
It is surface-treated after material pulverizing, is then added in plastics as filler, and plastics melting extrusion system together
Wood-plastic material is obtained, due to being limited by extruder melt blending technique, timber needs this expressing technique
Pulverulent material is first processed as, in order to flow in an extruder.And fiber of the milling process to timber itself
Structural deterioration is larger, makes the mechanical property advantage of timber fail preferably to be played.
And on the other hand, polystyrene material is relatively low due to its price, product hardness is larger, easily foams
Feature, is widely used in building decoration field and automotive trim field.And polystyrene material
Recycling, the technique for using melt pelletization more, this technique to reclaim raw material selectivity compared with
Height, needs recovery raw material quality itself preferable.And for more polystyrene reclaimed materials are as using melting
Prilling, then be faced with that salvage material composition is impure, the poor problem of properties of product.
If using new moulding technology, it is low to produce energy consumption, and mechanical property and fire resistance are good, sexual valence
Than high moulding material, there will be preferable market competition advantage.
Content of the invention
For solving above-mentioned technical problem present in prior art, it is an object of the invention to provide a kind of molding
Material and preparation method thereof.Obtained moulding material has low cost, mechanical property and good flame retardation effect
Advantage.
Technical scheme is as follows：
A kind of moulding material, is made up of the component for including following weight portion：
Preferably, the particle diameter of described wood powder is 0.075～0.15mm.
Preferably, a diameter of 200um～1000um of described bamboo fibre, draw ratio is 1：(10～100).
Preferably, described coupling agent is selected from γ-glycidyl ether oxygen propyl trimethoxy silicane, 3- ammonia third
One or more in base trimethoxy silane or γ-aminopropyltriethoxy diethoxy silane.
Preferably, described fire-retardant filler is selected from one or more in aluminium hydroxide, magnesium hydroxide, excellent
The fire-retardant filler of choosing is aluminium hydroxide and magnesium hydroxide by weight 2:1 mixture.
Preferably, described fire-retardant filler is nanoscale fire-retardant filler.
Preferably, described polystyrene gluing agent is made up of the component for including following weight portion：
Preferably, described polystyrene is recovery polystyrene.
Preferably, described carburization agent is selected from tetramethylolmethane, Bis(pentaerythritol), Sorbitol, Polyethylene Glycol
In one or more；
Described catalyst is selected from one or more in boric acid, phosphate ester, APP；
Described foaming agent is selected from one or more in tripolycyanamide, carbamide, dicyandiamide, APP.
Preferably, described filler one or more in aluminium hydroxide or magnesium hydroxide, preferably
Volume described in filler be 20～40 parts；
When filler is aluminium hydroxide or magnesium hydroxide, aluminium hydroxide or magnesium hydroxide contain water of crystallization in itself,
Water of crystallization can be discharged when being heated and produces certain flame retardant effect, while itself and expansibility flame-proof agent are in adhesive
Middle collocation is used, and can be produced the similar effect with carburization agent, be covered the surface of comburant, isolating oxygen
Gas produces fire-retardant synergy.
Described emulsifying agent is dodecyl sodium sulfate.
Preferably, described plasticizer is in dibutyl phthalate, dimethyl phthalate
One or more；
Described solvent is selected from ethyl acetate or Ketohexamethylene.
A kind of preparation method of above-mentioned moulding material, comprises the following steps：First wood powder 100 is weighed by weight
Part, 40～60 parts of bamboo fibre, 5～20 parts of mix homogeneously of coupling agent, add 30～60 parts of fire-retardant filler and mix
Close uniformly, then 40～100 parts of polystyrene gluing agent are added in mixing, continue mix homogeneously and mixed
Material；Then add mixture in molding die, first heat-pressure curing, then institute is obtained after cooling of colding pressing
The moulding material that states.
Described hot pressing temperature is 60～120 DEG C, and pressure is 1～4MPa, and hot pressing time is 15～30min,
Temperature of colding pressing is room temperature, and cold pressing pressure is 1～3MPa, and the time of colding pressing is for 20～40min.
Preferably, described bamboo fibre is obtained by following methods：First the direction of growth by bamboo along bamboo is cut
Strip bamboo chip is cut into, then bamboo chip is rolled with press, and the transverse grinding along bamboo fibre, make bamboo fine
Dimension expansion is uniformly dispersed, and through mesh screen choosing of sieving after drying, described bamboo fibre is obtained.
Bamboo fibre is first rolled using press, and the transverse grinding along bamboo fibre can reduce bamboo fibre and grow
The fracture in degree direction, improves the mechanical strength for keeping bamboo fibre.
Preferably, described polystyrene adhesive is obtained by following methods：
(1) 100 parts of polystyrene weighed by weight, 2～6 parts of maleic anhydride, 40～60 parts of carburization agent,
30～50 parts of catalyst, 10～20 parts of foaming agent, 0～40 part of filler, 2～12 parts of emulsifying agent, plasticising
5～20 parts of agent, 150～300 parts of solvent；
(2) polystyrene is added in 100 parts of solvents, stirring and dissolving；
(3) by carburization agent, catalyst, foaming agent, filler elder generation and maleic anhydride mix homogeneously, then plus
Enter mix homogeneously in 50～200 parts of solvents；
(4) by obtained mixture in step (2), it is slowly added in the mixture in step (3),
And add emulsifying agent and plasticizer, mix homogeneously that the polystyrene gluing agent is obtained.
Preferably, solution is warmed up to 40～60 DEG C in described step (2), stirring and dissolving.
In moulding material formula add fire-retardant filler can make in Blending Processes fire-retardant filler be easier and
Wood powder or bamboo fibre are combined together, and form fire-retardant filler to wood powder or the cladding of bamboo fibre, while in combustion
The agent of polystyrene gluing can be also coordinated to produce the effect of similar carburization agent during burning, so that flame retardant effect
More preferably.
Compared to the prior art, the beneficial effects of the present invention is：
(1) present invention adopts wood powder, bamboo fibre, fire-retardant filler and the agent of polystyrene gluing for primary raw material,
First infiltrated wood powder, bamboo fibre mix homogeneously and with coupling agent in mixed process, be subsequently adding resistance
Combustion filler continues mixing, as the particle diameter of fire-retardant filler is less than the particle diameter of wood powder, wood powder and fire-retardant filler energy
Preferably mix, form the dispersion of fire-retardant filler cladding wood powder and bamboo fibre, improve material
The fire resistance of material, the fire-retardant filler in combustion process in formula coordinate the expansion resistance of polystyrene gluing agent
Combustion system, can greatly improve the overall flame performance of moulding material.
(2) bamboo fibre added in the present invention, the technique for coordinating adhesive molding can greatly improve material
Comprehensive mechanical property.
(3) present invention adopts polystyrene for primary raw material, due to containing phenyl ring in polystyrene so that
Obtained adhesive has certain rigidity, while adding carburization agent, catalyst, foaming in the present invention
The flame-retardant compositions such as agent, adhesive expansion carbonization during fire burning is met, produce carburization zone, isolation
Oxygen, plays fire-retardant effect.
(4) present invention adds aluminium hydroxide, magnesium hydroxide in moulding material formula and flame-retardant formulations,
And coordinate different handling process which is preferably disperseed, when filler is aluminium hydroxide or magnesium hydroxide,
Aluminium hydroxide or magnesium hydroxide contain water of crystallization in itself, can discharge water of crystallization generation necessarily fire-retardant when being heated
Effect, the use while itself and expansibility flame-proof agent are arranged in pairs or groups in adhesive, can produce similar and carburization agent
Effect, cover the surface of comburant, starvation produces fire-retardant synergy.
(5) present invention is not high to the performance requirement of polystyrene, can adopt the polystyrene material for reclaiming,
The new method for providing that a kind of high added value is reclaimed is reclaimed for polystyrene；Without adding in inventive formulation
The alkaline assistants such as limestone, improve the stability of adhesive life-time service.
Specific embodiment
With reference to embodiment, the present invention will be further described, in embodiment unless otherwise specified, content
It is weight portion.
Embodiment 1
A kind of moulding material, is obtained in accordance with the following methods：
Wood powder 100 part, bamboo fibre 40 part, coupling agent 5 part mix homogeneously are weighed by weight first, then plus
Enter 30 parts of mix homogeneously of fire-retardant filler, then 40 parts of polystyrene gluing agent are added in mixing, continue mixed
Close and uniformly obtain compound；Then add mixture in molding die, first heat-pressure curing, then cold
Pressure cooling, hot pressing temperature is 60 DEG C, and pressure is 4MPa, and hot pressing time is 15min, and temperature of colding pressing is room
Temperature, cold pressing pressure are 3MPa, and the time of colding pressing, for 20min, is obtained described moulding material.
Wherein, described bamboo fibre is obtained by following methods：First the direction of growth by bamboo along bamboo is cut
Then bamboo chip is rolled by growth strip bamboo chip with press, and the transverse grinding along bamboo fibre, makes bamboo fibre
Expansion is uniformly dispersed, and through mesh screen choosing of sieving after drying, a diameter of 200um～500um, major diameter is obtained
Than for 1：The bamboo fibre of (10～50)；
The particle diameter of described wood powder is 0.075mm；Described coupling agent is γ-glycidyl ether oxygen propyl three
Methoxy silane；The fire-retardant filler is nano-aluminum hydroxide and nano-sized magnesium hydroxide by weight 2:1 mixed
Compound.
Described polystyrene adhesive is obtained by following methods：(1) polystyrene 100 is weighed by weight
Part, 2 parts of maleic anhydride, 40 parts of carburization agent, 30 parts of catalyst, 10 parts of foaming agent, 2 parts of emulsifying agent,
5 parts of plasticizer, 150 parts of solvent；Wherein, described carburization agent is tetramethylolmethane；Described catalyst
For boric acid；Described foaming agent is tripolycyanamide；Described filler is aluminium hydroxide；Described emulsifying
Agent is dodecyl sodium sulfate；Described plasticizer is dibutyl phthalate；Described solvent is second
Acetoacetic ester；(2) polystyrene is added in 100 parts of solvents, is warming up to 40 DEG C of stirring and dissolving；(3) will
Carburization agent, catalyst, foaming agent elder generation and maleic anhydride mix homogeneously, add in 50 parts of solvents and mix
Even；(4) by obtained mixture in step (2), it is slowly added in the mixture in step (3),
And add emulsifying agent and plasticizer, mix homogeneously that the polystyrene gluing agent is obtained.
Fire protecting performance test carried out according to UL-94 standards to obtained moulding material, test result is fire-retardant etc.
Level reaches V0 standards；Impact property test is carried out according to ASTM D256 standards, impact strength is 12J/M.
Embodiment 2
A kind of moulding material, is obtained in accordance with the following methods：
First 100 parts of wood powder, 60 parts of bamboo fibre, 20 parts of mix homogeneously of coupling agent are weighed by weight, then
60 parts of mix homogeneously of fire-retardant filler are added, then 100 parts of polystyrene gluing agent is added in mixing, continue
Mix homogeneously obtains compound；Then add mixture in molding die, first heat-pressure curing, then
Cold pressing cooling, hot pressing temperature is 120 DEG C, pressure is 1MPa, hot pressing time is 30min, temperature of colding pressing
For room temperature, cold pressing pressure is 1MPa, and the time of colding pressing, for 40min, is obtained described moulding material.
Wherein, described bamboo fibre is obtained by following methods：First the direction of growth by bamboo along bamboo is cut
Then bamboo chip is rolled by growth strip bamboo chip with press, and the transverse grinding along bamboo fibre, makes bamboo fibre
Expansion is uniformly dispersed, and through mesh screen choosing of sieving after drying, a diameter of 500um～1000um, major diameter is obtained
Than for 1：The bamboo fibre of (50～100)；
The particle diameter of described wood powder is 0.15mm；3- aminopropyl trimethoxy silicon elected as by described coupling agent
Alkane；Described fire-retardant filler is nano-aluminum hydroxide；
Described polystyrene adhesive is obtained by following methods：(1) polystyrene 100 is weighed by weight
Part, 6 parts of maleic anhydride, 60 parts of carburization agent, 50 parts of catalyst, 20 parts of foaming agent, filler 40
Part, 12 parts of emulsifying agent, 20 parts of plasticizer, 300 parts of solvent；Wherein, described carburization agent is double seasons
Penta tetrol；Described catalyst is phosphate ester；Described foaming agent is dicyandiamide；Described filler is
Magnesium hydroxide；Described emulsifying agent is dodecyl sodium sulfate；Described plasticizer is phthalic acid two
Methyl ester；Described solvent is ethyl acetate；(2) polystyrene is added in 100 parts of solvents, is warming up to
60 DEG C of stirring and dissolving；(3) carburization agent, catalyst, foaming agent, filler elder generation and maleic anhydride are mixed
Uniformly, mix homogeneously in 200 parts of solvents is added；(4) by obtained mixture in step (2), slowly
In the slow mixture added in step (3), and emulsifying agent and plasticizer is added, mix homogeneously is obtained described
Polystyrene gluing agent；
Fire protecting performance test, test knot are carried out according to UL-94 standards to obtained poly styrene composite material
Fruit flame retardant rating reaches V0 standards；Impact property test is carried out according to ASTM D256 standards, impact is strong
Spend for 18J/M.
Embodiment 3
A kind of moulding material, is obtained in accordance with the following methods：
First 100 parts of wood powder, 50 parts of bamboo fibre, 10 parts of mix homogeneously of coupling agent are weighed by weight, then
50 parts of mix homogeneously of fire-retardant filler are added, then 60 parts of polystyrene gluing agent is added in mixing, continue
Mix homogeneously obtains compound；Then add mixture in molding die, first heat-pressure curing, then
Cold pressing cooling, hot pressing temperature is 80 DEG C, pressure is 2MPa, hot pressing time is 20min, temperature of colding pressing is
Room temperature, cold pressing pressure are 2MPa, and the time of colding pressing, for 30min, is obtained described moulding material.
Wherein, described bamboo fibre is obtained by following methods：First the direction of growth by bamboo along bamboo is cut
Then bamboo chip is rolled by growth strip bamboo chip with press, and the transverse grinding along bamboo fibre, makes bamboo fibre
Expansion is uniformly dispersed, and through mesh screen choosing of sieving after drying, a diameter of 200um～500um, major diameter is obtained
Than for 1：The bamboo fibre of (10～50)；
The particle diameter of described wood powder is 0.15mm；Described coupling agent is γ-aminopropyltriethoxy diethoxy
Silane；The fire-retardant filler is nano-aluminum hydroxide and nano-sized magnesium hydroxide by weight 2:1 mixture；
Described polystyrene adhesive is obtained by following methods：(1) polystyrene 100 is weighed by weight
Part, 4 parts of maleic anhydride, 50 parts of carburization agent, 40 parts of catalyst, 15 parts of foaming agent, filler 20
Part, 7 parts of emulsifying agent, 12 parts of plasticizer, 200 parts of solvent；Wherein, described carburization agent is poly- second two
Alcohol；Described catalyst is APP；Described foaming agent is tripolycyanamide；Described filler is
Aluminium hydroxide and magnesium hydroxide by weight 1:1 mixture；Described emulsifying agent is dodecyl sodium sulfonate
Sodium；Described plasticizer is dibutyl phthalate；Described solvent is ethyl acetate；(2) will be poly-
Styrene is added in 100 parts of solvents, is warming up to 50 DEG C of stirring and dissolving；(3) by carburization agent, catalyst,
Foaming agent, filler elder generation and maleic anhydride mix homogeneously, add mix homogeneously in 100 parts of solvents；(4)
By obtained mixture in step (2), it is slowly added in the mixture in step (3), and adds breast
Agent and plasticizer, mix homogeneously are obtained the polystyrene gluing agent；
Fire protecting performance test, test knot are carried out according to UL-94 standards to obtained poly styrene composite material
Fruit flame retardant rating reaches V0 standards；Impact property test is carried out according to ASTM D256 standards, impact is strong
Spend for 14J/M.
Embodiment 4
A kind of moulding material, is obtained in accordance with the following methods：
First 100 parts of wood powder, 55 parts of bamboo fibre, 16 parts of mix homogeneously of coupling agent are weighed by weight, then
40 parts of mix homogeneously of fire-retardant filler are added, then 80 parts of polystyrene gluing agent is added in mixing, continue
Mix homogeneously obtains compound；Then add mixture in molding die, first heat-pressure curing, then
Cold pressing cooling, hot pressing temperature is 90 DEG C, pressure is 2MPa, hot pressing time is 20min, temperature of colding pressing is
Room temperature, cold pressing pressure are 2.5MPa, and the time of colding pressing, for 30min, is obtained described moulding material.
Wherein, described bamboo fibre is obtained by following methods：First the direction of growth by bamboo along bamboo is cut
Then bamboo chip is rolled by growth strip bamboo chip with press, and the transverse grinding along bamboo fibre, makes bamboo fibre
Expansion is uniformly dispersed, and through mesh screen choosing of sieving after drying, a diameter of 200um～500um, major diameter is obtained
Than for 1：The bamboo fibre of (50～100)；
The particle diameter of described wood powder is 0.075mm；The described coupling agent of described bamboo fibre is γ-shrink
Glycerol ether oxygen propyl trimethoxy silicane；The fire-retardant filler is nano-aluminum hydroxide and nano-sized magnesium hydroxide
By weight 2:1 mixture；
Described polystyrene adhesive is obtained by following methods：(1) polystyrene 100 is weighed by weight
Part, 5 parts of maleic anhydride, 25 parts of carburization agent, 35 parts of catalyst, 15 parts of foaming agent, filler 30
Part, 10 parts of emulsifying agent, 12 parts of plasticizer, 250 parts of solvent；Wherein, described carburization agent is Pyrusussuriensiss
Alcohol；Described catalyst is phosphate ester；Described foaming agent is dicyandiamide and APP by weight 1:2
Mixture；Described filler is aluminium hydroxide and magnesium hydroxide by weight 1:1 mixture；Described
Emulsifying agent be dodecyl sodium sulfate；Described plasticizer is dibutyl phthalate；Described is molten
Agent is Ketohexamethylene；(2) polystyrene is added in 100 parts of solvents, is warming up to 50 DEG C of stirring and dissolving；(3)
By carburization agent, catalyst, foaming agent, filler elder generation and maleic anhydride mix homogeneously, 150 parts are added
Mix homogeneously in solvent；(4) by obtained mixture in step (2), it is slowly added in step (3)
Mixture in, and add emulsifying agent and plasticizer, mix homogeneously is obtained the polystyrene gluing agent；
Fire protecting performance test, test knot are carried out according to UL-94 standards to obtained poly styrene composite material
Fruit flame retardant rating reaches V0 standards；Impact property test is carried out according to ASTM D256 standards, impact is strong
Spend for 17J/M.
Embodiment 5
A kind of moulding material, is obtained in accordance with the following methods：
Wood powder 100 part, bamboo fibre 45 part, coupling agent 8 part mix homogeneously are weighed by weight first, then plus
Enter 30 parts of mix homogeneously of fire-retardant filler, then 60 parts of polystyrene gluing agent are added in mixing, continue mixed
Close and uniformly obtain compound；Then add mixture in molding die, first heat-pressure curing, then cold
Pressure cooling, hot pressing temperature are 110 DEG C, and pressure is 3MPa, and hot pressing time is 30min, and temperature of colding pressing is
Room temperature, cold pressing pressure are 2MPa, and the time of colding pressing, for 30min, is obtained described moulding material.
Wherein, described bamboo fibre is obtained by following methods：First the direction of growth by bamboo along bamboo is cut
Then bamboo chip is rolled by growth strip bamboo chip with press, and the transverse grinding along bamboo fibre, makes bamboo fibre
Expansion is uniformly dispersed, and through mesh screen choosing of sieving after drying, a diameter of 500um～1000um, major diameter is obtained
Than for 1：The bamboo fibre of (10～50).
The particle diameter of described wood powder is 0.075mm；Described coupling agent is γ-glycidyl ether oxygen propyl three
Methoxy silane；The fire-retardant filler is nano-aluminum hydroxide and nano-sized magnesium hydroxide by weight 2:1 mixed
Compound；
Described polystyrene adhesive is obtained by following methods：(1) polystyrene 100 is weighed by weight
Part, 3 parts of maleic anhydride, 45 parts of carburization agent, 35 parts of catalyst, 13 parts of foaming agent, filler 15
Part, 4 parts of emulsifying agent, 10 parts of plasticizer, 200 parts of solvent；Wherein, described carburization agent is double seasons penta
Tetrol；Described catalyst is boric acid；Described foaming agent is dicyandiamide and APP by weight 1:2
Mixture；Described filler is aluminium hydroxide and magnesium hydroxide by weight 1:1 mixture；Described
Emulsifying agent be dodecyl sodium sulfate；Described plasticizer is dibutyl phthalate；Described is molten
Agent is Ketohexamethylene；(2) polystyrene is added in 100 parts of solvents, is warming up to 60 DEG C of stirring and dissolving；(3)
By carburization agent, catalyst, foaming agent, filler elder generation and maleic anhydride mix homogeneously, 100 parts are added
Mix homogeneously in solvent；(4) by obtained mixture in step (2), it is slowly added in step (3)
Mixture in, and add emulsifying agent and plasticizer, mix homogeneously is obtained the polystyrene gluing agent；
Fire protecting performance test, test knot are carried out according to UL-94 standards to obtained poly styrene composite material
Fruit flame retardant rating reaches V0 standards；Impact property test is carried out according to ASTM D256 standards, impact is strong
Spend for 13J/M.
Embodiment described above is the preferred embodiments of the present invention, not limiting the scope of the present invention,
Therefore the equivalence changes done of all principles according to described in scope of the present invention patent or modification, all should be at this
In bright patent claim.
Claims (10)
1. a kind of moulding material, it is characterised in that be made up of the component for including following weight portion：
2. a kind of moulding material according to claim 1, it is characterised in that the particle diameter of described wood powder
For 0.075～0.15mm；
Or a diameter of 200um～1000um of described bamboo fibre, draw ratio is 1：(10～100).
3. a kind of moulding material according to claim 1, it is characterised in that described coupling agent is selected from
γ-glycidyl ether oxygen propyl trimethoxy silicane, 3- aminopropyl trimethoxysilanes or γ-aminopropyltriethoxy
One or more in diethoxy silane.
4. a kind of moulding material according to claim 1, it is characterised in that described fire-retardant filler choosing
One or more from aluminium hydroxide, magnesium hydroxide, preferably described fire-retardant filler be aluminium hydroxide with
Magnesium hydroxide by weight 2:1 mixture.
5. a kind of moulding material according to claim 1, it is characterised in that described polystyrene colloidal
Glutinous agent is made up of the component for including following weight portion：
6. a kind of moulding material according to claim 5, it is characterised in that described carburization agent is selected from
One or more in tetramethylolmethane, Bis(pentaerythritol), Sorbitol, Polyethylene Glycol；
Described catalyst is selected from one or more in boric acid, phosphate ester, APP；
Described foaming agent is selected from one or more in tripolycyanamide, carbamide, dicyandiamide, APP.
7. a kind of moulding material according to claim 5, it is characterised in that described filler is selected from
One or more in aluminium hydroxide or magnesium hydroxide, the filler described in preferred volume are 20～40 parts；
Described emulsifying agent is dodecyl sodium sulfate.
8. a kind of moulding material according to claim 5, it is characterised in that described plasticizer is selected from
One or more in dibutyl phthalate, dimethyl phthalate；
Described solvent is selected from ethyl acetate or Ketohexamethylene.
9. a kind of preparation method of the moulding material as described in arbitrary in claim 1～8, it is characterised in that
Comprise the following steps：First 100 parts of wood powder, 40～60 parts of bamboo fibre, coupling agent 5～20 are weighed by weight
Part mix homogeneously, adds 30～60 parts of mix homogeneously of fire-retardant filler, then adds 40～100 parts in mixing
Polystyrene gluing agent, continues mix homogeneously and obtains compound；Then add mixture in molding die,
Described moulding material is obtained after first heat-pressure curing, then cooling of colding pressing.
10. the preparation method of moulding material according to claim 9, it is characterised in that described is poly-
Styrene adhesive is obtained by following methods：
(1) 100 parts of polystyrene weighed by weight, 2～6 parts of maleic anhydride, 40～60 parts of carburization agent,
30～50 parts of catalyst, 10～20 parts of foaming agent, 0～40 part of filler, 2～12 parts of emulsifying agent, plasticising
5～20 parts of agent, 150～300 parts of solvent；
(2) polystyrene is added in 100 parts of solvents, stirring and dissolving；
(3) by carburization agent, catalyst, foaming agent, filler elder generation and maleic anhydride mix homogeneously, then plus
Enter mix homogeneously in 50～200 parts of solvents；
(4) by obtained mixture in step (2), it is slowly added in the mixture in step (3),
And add emulsifying agent and plasticizer, mix homogeneously that the polystyrene gluing agent is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510562931.5A CN106497110A (en) | 2015-09-07 | 2015-09-07 | A kind of moulding material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510562931.5A CN106497110A (en) | 2015-09-07 | 2015-09-07 | A kind of moulding material and preparation method thereof |
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| CN106497110A true CN106497110A (en) | 2017-03-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109517792A (en) * | 2018-12-04 | 2019-03-26 | 中南大学湘雅三医院 | A kind of separating medium and the preparation method and application thereof of new and old red blood cell |
-
2015
- 2015-09-07 CN CN201510562931.5A patent/CN106497110A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109517792A (en) * | 2018-12-04 | 2019-03-26 | 中南大学湘雅三医院 | A kind of separating medium and the preparation method and application thereof of new and old red blood cell |
| CN109517792B (en) * | 2018-12-04 | 2021-03-16 | 中南大学湘雅三医院 | Separation medium for new and old red blood cells and preparation method and application thereof |
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