CN106117398A - A kind of high fire-retardance low conductive graphite expandable polystyrene product and the production method of this product - Google Patents
A kind of high fire-retardance low conductive graphite expandable polystyrene product and the production method of this product Download PDFInfo
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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Abstract
The invention discloses a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that processed by following components by weight percent: styrene, fresh water (FW), graphite, initiator, dispersant, foaming agent, nucleator, particle size adjustment agent；It is prepared using the following: above-mentioned fresh water (FW), dispersant are added and stir to reactor by (1), add the styrene dissolved with graphite to reactor afterwards, and start low-temp reaction and pyroreaction, afterwards cooling discharge.Compared with prior art, the features such as it is simple that the present invention has step, product heat conductivity reduction.
Description
Technical field
The present invention relates to a kind of high fire-retardance low conductive graphite expandable polystyrene product and the production method of this product.
Background technology
Current EPS, i.e. expandable polystyrene are due to the thermal and insulating performance of its uniqueness, excellent buffering shock resistance
Can, and light weight, the advantage such as water absorption is little, thermal conductivity is low, electrical insulating property is good, be widely used in building, pack, electronic apparatus
The aspects such as product, and along with the development trend of green building in recent years, energy saving environmental protection product is more and more higher, its demand is also got over
Come the biggest.
If using at building field, being used in skin insulation, heat conductivity is had strict demand, current product
The heat conductivity of product is 0.038～0.041W/ (m k), and technical staff always searches for how reducing product heat conductivity
Product and the process of this product.
Therefore, a kind of step is simple, and the high fire-retardance low conductive graphite expandable polystyrene that product heat conductivity reduces produces
The production method of product and this product is suggested.
Summary of the invention
It is an object of the invention to provide a kind of high fire-retardance low conductive graphite expandable polystyrene product and the life of this product
Product method.
A kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that processed by following components by weight percent and
Become:
Styrene 100 parts,
Fresh water (FW) 200～400 parts,
Graphite 3.5～4.5 parts,
Initiator 0.3～0.5 part,
Dispersant 0.15～0.35 part,
Foaming agent 7～12 parts,
Nucleator 0.1～0.25 part,
Particle size adjustment agent 0.05～0.12 part；
Described initiator is peroxidized t-butyl perbenzoate, dibenzoyl peroxide, peroxide acetic acid butyl ester, two tertiary fourths
One or more in base peroxide, the different nonanoic acid ter-butyl ester of peroxidating；
Described particle size adjustment agent be calcium carbonate, calcium phosphate, dodecylbenzene sodium sulfonate, polyvinyl alcohol, hydroxyethyl cellulose,
One or more in sodium polymethacrylate, hydroxypropyl methyl cellulose；
Described foaming agent is one or more in pentane, butane, petroleum ether；
Described dispersant is active calcium phosphate, dodecylbenzene sodium sulfonate, polyvinyl alcohol, hydroxyethyl cellulose；
Described nucleator is PE wax；
Its processing method is as follows:
(1) above-mentioned fresh water (FW), dispersant are added to reactor, stir 15～45min, graphite and styrene are mixed simultaneously
Close, afterwards the styrene dissolved with graphite is added to reactor, and starts to warm up, heating rate according to 0.5～2.0 DEG C/min,
Being warming up to 58～63 DEG C when, add nucleator and initiator and stir, being continuously heating to 88～92 DEG C and carry out low temperature
Reaction, the low-temp reaction time is 5～6h；
(2) during low-temp reaction 2～4h, add particle size adjustment agent regulation size so that required grain scope such as 0.71～
Reach between 1.3 to stop adding particle size adjustment agent when more than 80%；
(3), after low temperature, carry out sealing still, and add foaming agent, be warming up to 120 DEG C and carry out pyroreaction, heating rate
According to 0.3～0.8 DEG C/min, pyroreaction time 3.0～5.0h, Stress control is 0.7～0.9MP；
(4) cooling discharge: be cooled to discharging when 48～53 DEG C.
In order to time product there is flame retardant effect, can add together with nucleator and initiator fire retardant 0.6～0.9 part and
Fire-retardant enhancing activating agent 0.25～0.4 part, described fire retardant be deca-BDE, tetrabromophthalic anhydride, triphenyl phosphate,
One or several in montmorillonite, hypophosphites.
Above-mentioned graphite selects the powdered graphite less than 50 μm, and 5～20 μm are preferably used.
A kind of production method of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that mainly include as
Lower step:
(1) fresh water (FW) 200～400 parts, dispersant 0.15～0.35 part are added to reactor, stir 15～45min, with
Time by graphite 3.5～4.5 parts and styrene 100 parts mixing, afterwards the styrene dissolved with graphite is added to reactor, and starts
Heat up, heating rate according to 0.5～2.0 DEG C/min, add being warming up to 58～63 DEG C when nucleator 0.1～0.25 part and
Initiator 0.3～0.5 part also stir, and are continuously heating to 88～92 DEG C and carry out low-temp reaction, the low-temp reaction time be 5～
6h；
(2), during low-temp reaction 2～4h, mediated by particle size adjustment agent 0.05～0.12 part according to size, make
Till needed for, grain scope such as reaches more than 80% between 0.71～1.3；
(3), after low temperature, carry out sealing still, and add foaming agent 7～12 parts, be warming up to 120 DEG C and carry out pyroreaction, rise
Temperature speed is according to 0.3～0.8 DEG C/min, pyroreaction time 3.0～5.0h, and Stress control is 0.7～0.9MP；
(4) cooling discharge: be cooled to discharging when 48～53 DEG C.
Described initiator is peroxidized t-butyl perbenzoate, dibenzoyl peroxide, peroxide acetic acid butyl ester, two tertiary fourths
One or more in base peroxide, the different nonanoic acid ter-butyl ester of peroxidating；
Described particle size adjustment agent be calcium carbonate, calcium phosphate, dodecylbenzene sodium sulfonate, polyvinyl alcohol, hydroxyethyl cellulose,
One or more in sodium polymethacrylate, hydroxypropyl methyl cellulose；
Described foaming agent is one or more in pentane, butane, petroleum ether；
Described dispersant is active calcium phosphate, dodecylbenzene sodium sulfonate, polyvinyl alcohol, hydroxyethyl cellulose；
Described nucleator is PE wax.
In order to time product there is flame retardant effect, can add together with nucleator and initiator fire retardant 0.6～0.9 part and
Fire-retardant enhancing activating agent 0.25～0.4 part, described fire retardant is deca-BDE, tetrabromophthalic anhydride, phosphoric acid
Above-mentioned graphite selects the powdered graphite less than 50 μm, and 5～20 μm are preferably used.
The EPS granule produced by said method, by checking, its thermal conductivity is reduced to 0.030～0.033W/ (m
K), during practice, energy consumption can be lowered, reach the purpose of energy-saving and emission-reduction.
Compared with prior art, the features such as it is simple that the present invention has technique, and step is simple, product heat conductivity reduction.
Detailed description of the invention
Embodiment 1: a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that by following weight group
Dividing and process: styrene 100 parts, fresh water (FW) 200 parts, graphite selection is less than the powdered graphite of 50 μm: 3.5 parts, initiator is
Peroxidized t-butyl perbenzoate: 0.3 part, dispersant is active calcium phosphate: 0.15 part, and foaming agent is pentane: 7 parts, nucleator PE
Wax: 0.1 part, particle size adjustment agent 0.05 part；Described particle size adjustment agent is calcium carbonate；
And be prepared by the following method: above-mentioned fresh water (FW), dispersant are added to reactor by (1), stir 15min, simultaneously
Graphite and styrene are mixed, afterwards the styrene dissolved with graphite are added to reactor, and start to warm up, heating rate according to
0.5 DEG C/min, being warming up to 58 DEG C when, add nucleator and initiator and stir, being continuously heating to 88 DEG C and carry out low
Temperature reaction, the low-temp reaction time is 5h；(2), during low-temp reaction 2h, particle size adjustment agent regulation size is added so that required grain
Reach between scope such as 0.71 to stop adding particle size adjustment agent when more than 80%；(3), after low temperature, carry out sealing still, and add
Foaming agent, is warming up to 120 DEG C and carries out pyroreaction, and heating rate is according to 0.3 DEG C/min, pyroreaction time 3h, Stress control
At 0.7MP；(4) cooling discharge: be cooled to discharging when 48 DEG C.
Embodiment 2: a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that by following weight group
Dividing and process: styrene 100 parts, fresh water (FW) 202 parts, graphite selection is less than the powdered graphite of 20 μm: 3.55 parts, initiator is
Dibenzoyl peroxide: 0.32 part, dispersant is dodecylbenzene sodium sulfonate: 0.17 part, and foaming agent is butane: 7.5 parts, nucleation
Agent PE wax: 0.12 part, particle size adjustment agent 0.07 part；Described particle size adjustment agent is calcium phosphate；
And be prepared by the following method: above-mentioned fresh water (FW), dispersant are added to reactor by (1), stir 17min, simultaneously
Graphite and styrene are mixed, afterwards the styrene dissolved with graphite are added to reactor, and start to warm up, heating rate according to
0.7 DEG C/min, being warming up to 60 DEG C when, add nucleator and initiator and stir, being continuously heating to 88.2 DEG C and carry out
Low-temp reaction, the low-temp reaction time is 5.2h；(2), during low-temp reaction 2.2h, particle size adjustment agent regulation size is added so that
Reach between required grain scope such as 0.73 to stop adding particle size adjustment agent when more than 80%；(3), after low temperature, carry out sealing still,
And add foaming agent, be warming up to 120 DEG C and carry out pyroreaction, heating rate according to 0.35 DEG C/min, pyroreaction time 3.2h,
Stress control is at 0.72MP；(4) cooling discharge: be cooled to discharging when 48.2 DEG C.
Embodiment 3: a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that by following weight group
Dividing and process: styrene 100 parts, fresh water (FW) 210 parts, graphite selection is less than the powdered graphite of 50 μm: 3.57 parts, initiator is
Peroxide acetic acid butyl ester: 0.34 part, dispersant is polyvinyl alcohol: 0.19 part, foaming agent petroleum ether: 8 parts, nucleator PE wax:
0.14 part, particle size adjustment agent 0.09 part；Described particle size adjustment agent is dodecylbenzene sodium sulfonate；
And be prepared by the following method: above-mentioned fresh water (FW), dispersant are added to reactor by (1), stir 19min, simultaneously
Graphite and styrene are mixed, afterwards the styrene dissolved with graphite are added to reactor, and start to warm up, heating rate according to
0.9 DEG C/min, being warming up to 62 DEG C when, add nucleator and initiator and stir, being continuously heating to 88.4 DEG C and carry out
Low-temp reaction, the low-temp reaction time is 5.4h；(2), during low-temp reaction 2.4h, particle size adjustment agent regulation size is added so that
Reach between required grain scope such as 0.75 to stop adding particle size adjustment agent when more than 80%；(3), after low temperature, carry out sealing still,
And add foaming agent, be warming up to 120 DEG C and carry out pyroreaction, heating rate according to 0.37 DEG C/min, pyroreaction time 3.4h,
Stress control is at 0.75MP；(4) cooling discharge: be cooled to discharging when 48.4 DEG C.
Embodiment 4: a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that by following weight group
Dividing and process: styrene 100 parts, fresh water (FW) 220 parts, graphite selection is less than the powdered graphite of 50 μm: 3.59 parts, initiator is
Peroxide acetic acid butyl ester: 0.36 part, dispersant is hydroxyethyl cellulose: 0.21 part, and foaming agent is pentane, butane: 8.5 parts,
Nucleator PE wax: 0.16 part, particle size adjustment agent 0.06 part；Described particle size adjustment agent is polyvinyl alcohol；
And be prepared by the following method: above-mentioned fresh water (FW), dispersant are added to reactor by (1), stir 21min, simultaneously
Graphite and styrene are mixed, afterwards the styrene dissolved with graphite are added to reactor, and start to warm up, heating rate according to
1 DEG C/min, being warming up to 58.2 DEG C when, add nucleator and initiator and stir, being continuously heating to 88.6 DEG C and carry out
Low-temp reaction, the low-temp reaction time is 5.6h；(2), during low-temp reaction 2.6h, particle size adjustment agent regulation size is added so that
Reach between required grain scope such as 0.77 to stop adding particle size adjustment agent when more than 80%；(3), after low temperature, carry out sealing still,
And add foaming agent, be warming up to 120 DEG C and carry out pyroreaction, heating rate according to 0.39 DEG C/min, pyroreaction time 3.6h,
Stress control is at 0.77MP；(4) cooling discharge: be cooled to discharging when 48.6 DEG C.
Embodiment 5: a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that by following weight group
Dividing and process: styrene 100 parts, fresh water (FW) 230 parts, graphite selection is less than the powdered graphite of 50 μm: 3.61 parts, initiator is
Di-tert-butyl peroxide: 0.38 part, dispersant is active calcium phosphate, dodecylbenzene sodium sulfonate: 0.23 part, and foaming agent is penta
Alkane, petroleum ether: 7.6 parts, nucleator PE wax: 0.18 part, particle size adjustment agent 0.08 part；Described particle size adjustment agent is hydroxy ethyl fiber
Element；
And be prepared by the following method: above-mentioned fresh water (FW), dispersant are added to reactor by (1), stir 23min, simultaneously
Graphite and styrene are mixed, afterwards the styrene dissolved with graphite are added to reactor, and start to warm up, heating rate according to
1.2 DEG C/min, being warming up to 58.4 DEG C when, add nucleator and initiator and stir, being continuously heating to 89 DEG C and carry out
Low-temp reaction, the low-temp reaction time is 5.8h；(2), during low-temp reaction 2.8h, particle size adjustment agent regulation size is added so that
Reach between required grain scope such as 0.79 to stop adding particle size adjustment agent when more than 80%；(3), after low temperature, carry out sealing still,
And add foaming agent, be warming up to 120 DEG C and carry out pyroreaction, heating rate according to 0.41 DEG C/min, pyroreaction time 3.8h,
Stress control is at 0.79MP；(4) cooling discharge: be cooled to discharging when 48.8 DEG C.
Embodiment 6: a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that by following weight group
Dividing and process: styrene 100 parts, fresh water (FW) 240 parts, graphite selection is less than the powdered graphite of 40 μm: 3.63 parts, initiator is
The different nonanoic acid ter-butyl ester of peroxidating: 0.4 part, dispersant is active calcium phosphate, polyvinyl alcohol: 0.25 part, and foaming agent is butane, oil
Ether: 8.2 parts, nucleator PE wax: 0.13 part, particle size adjustment agent 0.1 part；Described particle size adjustment agent is sodium polymethacrylate；
And be prepared by the following method: above-mentioned fresh water (FW), dispersant are added to reactor by (1), stir 25min, simultaneously
Graphite and styrene are mixed, afterwards the styrene dissolved with graphite are added to reactor, and start to warm up, heating rate according to
1.4 DEG C/min, being warming up to 58.6 DEG C when, add nucleator and initiator and stir, being continuously heating to 89.2 DEG C and enter
Row low-temp reaction, the low-temp reaction time is 6h；(2), during low-temp reaction 3h, particle size adjustment agent regulation size is added so that institute
Need to reach between grain scope such as 0.81 to stop adding particle size adjustment agent when more than 80%；(3), after low temperature, carry out sealing still, and
Adding foaming agent, be warming up to 120 DEG C and carry out pyroreaction, heating rate is according to 0.43 DEG C/min, pyroreaction time 4h, pressure
Control at 0.81MP；(4) cooling discharge: be cooled to discharging when 49 DEG C.
Embodiment 7: a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that by following weight group
Dividing and process: styrene 100 parts, fresh water (FW) 250 parts, graphite selection is less than the powdered graphite of 50 μm: 3.65 parts, initiator is
Peroxidized t-butyl perbenzoate, dibenzoyl peroxide: 0.42 part, dispersant is active calcium phosphate, hydroxyethyl cellulose: 0.27
Part, foaming agent is pentane, butane, petroleum ether: 7.3 parts, nucleator PE wax: 0.15 part, particle size adjustment agent 0.12 part；Described particle diameter
Regulator is hydroxypropyl methyl cellulose；And be prepared by the following method: above-mentioned fresh water (FW), dispersant are added to reaction by (1)
Still, stirs 27min, graphite and styrene is mixed simultaneously, add the styrene dissolved with graphite to reactor afterwards, and start
Heating up, heating rate, according to 1.6 DEG C/min, adds nucleator and initiator being warming up to 58.8 DEG C when and stirs,
Being continuously heating to 89.4 DEG C and carry out low-temp reaction, the low-temp reaction time is 5.1h；(2), during low-temp reaction 3.2h, add particle diameter and adjust
Joint agent regulation size so that reach between required grain scope such as 0.83 to stop adding particle size adjustment agent when more than 80%；(3)
After low temperature, carry out sealing still, and add foaming agent, be warming up to 120 DEG C and carry out pyroreaction, heating rate according to 0.45 DEG C/
Min, pyroreaction time 4.2h, Stress control is at 0.83MP；(4) cooling discharge: be cooled to discharging when 49.2 DEG C.
Embodiment 8: a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that by following weight group
Dividing and process: styrene 100 parts, fresh water (FW) 260 parts, graphite selection is less than the powdered graphite of 50 μm: 3.67 parts, initiator is
Peroxidized t-butyl perbenzoate, peroxide acetic acid butyl ester: 0.44 part, dispersant is active calcium phosphate, DBSA
Sodium, polyvinyl alcohol: 0.29 part, foaming agent is butane, petroleum ether: 9 parts, nucleator PE wax: 0.17 part, particle size adjustment agent 0.11
Part；Described particle size adjustment agent is calcium carbonate, calcium phosphate；And be prepared by the following method: above-mentioned fresh water (FW), dispersant are thrown by (1)
Add to reactor, stir 29min, graphite and styrene are mixed simultaneously, afterwards the styrene dissolved with graphite is added to reaction
Still, and start to warm up, heating rate, according to 1.8 DEG C/min, adds nucleator and initiator being warming up to 59 DEG C when and stirs
Mixing uniformly, be continuously heating to 89.6 DEG C and carry out low-temp reaction, the low-temp reaction time is 5.3h；(2), during low-temp reaction 3.4h, add
Particle size adjustment agent regulation size so that reach between required grain scope such as 0.85 to stop adding particle size adjustment when more than 80%
Agent；(3), after low temperature, carry out sealing still, and add foaming agent, be warming up to 120 DEG C and carry out pyroreaction, heating rate according to
0.47 DEG C/min, pyroreaction time 4.4h, Stress control is at 0.85MP；(4) cooling discharge: be cooled to discharging when 49.4 DEG C.
Embodiment 9: a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that by following weight group
Dividing and process: styrene 100 parts, fresh water (FW) 270 parts, graphite selection is less than the powdered graphite of 50 μm: 3.69 parts, initiator is
Peroxidized t-butyl perbenzoate, di-tert-butyl peroxide: 0.46 part, dispersant is active calcium phosphate, DBSA
Sodium, hydroxyethyl cellulose: 0.31 part, foaming agent is petroleum ether: 9.2 parts, nucleator PE wax: 0.19 part, particle size adjustment agent 0.06
Part；Described particle size adjustment agent is calcium carbonate, dodecylbenzene sodium sulfonate, polyvinyl alcohol, hydroxyethyl cellulose, polymethylacrylic acid
Sodium, hydroxypropyl methyl cellulose；
And be prepared by the following method: above-mentioned fresh water (FW), dispersant are added to reactor by (1), stir 31min, simultaneously
Graphite and styrene are mixed, afterwards the styrene dissolved with graphite are added to reactor, and start to warm up, heating rate according to
2 DEG C/min, being warming up to 59.2 DEG C when, add nucleator and initiator and stir, being continuously heating to 89.8 DEG C and carry out
Low-temp reaction, the low-temp reaction time is 5.5h；(2), during low-temp reaction 3.6h, particle size adjustment agent regulation size is added so that
Reach between required grain scope such as 0.87 to stop adding particle size adjustment agent when more than 80%；(3), after low temperature, carry out sealing still,
And add foaming agent, be warming up to 120 DEG C and carry out pyroreaction, heating rate according to 0.49 DEG C/min, pyroreaction time 4.6h,
Stress control is at 0.88MP；(4) cooling discharge: be cooled to discharging when 49.6 DEG C.
Embodiment 10: a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that by following weight
Component processes: styrene 100 parts, fresh water (FW) 280 parts, and graphite selection is less than the powdered graphite of 10 μm: 3.71 parts, initiator
For peroxidized t-butyl perbenzoate, the different nonanoic acid ter-butyl ester of peroxidating: 0.48 part, dispersant is dodecylbenzene sodium sulfonate: 0.33
Part, foaming agent is butane, petroleum ether: 9.4 parts, nucleator PE wax: 0.2 part, particle size adjustment agent 0.09 part；Described particle size adjustment agent
For calcium carbonate, calcium phosphate, polyvinyl alcohol, hydroxyethyl cellulose, sodium polymethacrylate, hydroxypropyl methyl cellulose；
And be prepared by the following method: above-mentioned fresh water (FW), dispersant are added to reactor by (1), stir 33min, simultaneously
Graphite and styrene are mixed, afterwards the styrene dissolved with graphite are added to reactor, and start to warm up, heating rate according to
0.6 DEG C/min, being warming up to 59.4 DEG C when, add nucleator and initiator and stir, being continuously heating to 90 DEG C and carry out
Low-temp reaction, the low-temp reaction time is 5.7h；(2), during low-temp reaction 3.8h, particle size adjustment agent regulation size is added so that
Reach between required grain scope such as 0.89 to stop adding particle size adjustment agent when more than 80%；(3), after low temperature, carry out sealing still,
And add foaming agent, and it being warming up to 120 DEG C and carry out pyroreaction, heating rate is according to 0.51 DEG C/min, pyroreaction time 5h, pressure
Power controls at 0.9MP；(4) cooling discharge: be cooled to discharging when 49.8 DEG C.
Embodiment 11: a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that by following weight
Component processes: styrene 100 parts, fresh water (FW) 290 parts, and graphite selection is less than the powdered graphite of 50 μm: 3.73 parts, initiator
For dibenzoyl peroxide, peroxide acetic acid butyl ester: 0.5 part, dispersant is polyvinyl alcohol: 0.35 part, and foaming agent is pentane:
9.6 parts, nucleator PE wax: 0.21 part, particle size adjustment agent 0.12 part；Described particle size adjustment agent is calcium carbonate, calcium phosphate, dodecane
Base benzene sulfonic acid sodium salt, polyvinyl alcohol, sodium polymethacrylate, hydroxypropyl methyl cellulose；And be prepared by the following method: (1) will
Above-mentioned fresh water (FW), dispersant add to reactor, stir 35min, graphite and styrene are mixed simultaneously, afterwards will be dissolved with graphite
Styrene add to reactor, and start to warm up, heating rate, according to 0.8 DEG C/min, adds being warming up to 59.6 DEG C when
Entering nucleator and initiator and stir, being continuously heating to 90.2 DEG C and carry out low-temp reaction, the low-temp reaction time is 5.9h；
(2), during low-temp reaction 4h, add particle size adjustment agent regulation size so that required grain scope as reach between 0.91 80% with
Stopped time upper adding particle size adjustment agent；(3), after low temperature, carry out sealing still, and add foaming agent, be warming up to 120 DEG C and carry out height
Temperature reaction, heating rate is according to 0.53 DEG C/min, and pyroreaction time 4.8h, Stress control is at 0.71MP；(4) cooling discharge:
It is cooled to discharging when 50 DEG C.
Embodiment 12: a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that by following weight
Component processes: styrene 100 parts, fresh water (FW) 300 parts, and graphite selection is less than the powdered graphite of 15 μm: 3.75 parts, initiator
For dibenzoyl peroxide, di-tert-butyl peroxide: 0.31 part, dispersant is hydroxyethyl cellulose: 0.16 part, and foaming agent is
Pentane, petroleum ether: 9.8 parts, nucleator PE wax: 0.23 part, particle size adjustment agent 0.08 part；Described particle size adjustment agent be calcium carbonate,
Polyvinyl alcohol, hydroxyethyl cellulose, hydroxypropyl methyl cellulose；And be prepared by the following method: (1) by above-mentioned fresh water (FW), point
Powder adds to reactor, stirs 37min, graphite and styrene is mixed simultaneously, added by the styrene dissolved with graphite afterwards
To reactor, and starting to warm up, heating rate, according to 0.5 DEG C/min, adds nucleator being warming up to 59.8 DEG C when and draws
Sending out agent and stir, being continuously heating to 90.4 DEG C and carry out low-temp reaction, the low-temp reaction time is 5.2h；(2) low-temp reaction
During 2.1h, add particle size adjustment agent regulation size so that reach between required grain scope such as 0.93 to stop when more than 80%
Add particle size adjustment agent；(3), after low temperature, carry out sealing still, and add foaming agent, be warming up to 120 DEG C and carry out pyroreaction, rise
Temperature speed is according to 0.55 DEG C/min, and pyroreaction time 3.2h, Stress control is at 0.73MP；(4) cooling discharge: be cooled to 51.2
DEG C time discharging.
Embodiment 13: a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that by following weight
Component processes: styrene 100 parts, fresh water (FW) 310 parts, and graphite selection is less than the powdered graphite of 50 μm: 3.77 parts, initiator
For dibenzoyl peroxide, peroxide acetic acid butyl ester, di-tert-butyl peroxide: 0.33 part, dispersant be active calcium phosphate,
Dodecylbenzene sodium sulfonate, polyvinyl alcohol, hydroxyethyl cellulose: 0.18 part, foaming agent is petroleum ether: 7.3 parts, nucleator PE
Wax: 0.25 part, particle size adjustment agent 0.11 part；Described particle size adjustment agent is calcium carbonate, calcium phosphate, dodecylbenzene sodium sulfonate, gathers
Vinyl alcohol, hydroxyethyl cellulose, sodium polymethacrylate；And be prepared by the following method: (1) is by above-mentioned fresh water (FW), dispersant
Add to reactor, stir 39min, graphite and styrene are mixed simultaneously, afterwards the styrene dissolved with graphite is added to instead
Answering still, and start to warm up, heating rate is according to 0.7 DEG C/min, and being warming up to 60 DEG C when, addition nucleator and initiator are also
Stirring, be continuously heating to 90.6 DEG C and carry out low-temp reaction, the low-temp reaction time is 5.3h；(2), during low-temp reaction 2.3h, add
Enter particle size adjustment agent regulation size so that reach when more than 80%, to stop adding particle diameter between required grain scope such as 0.95 and adjust
Joint agent；(3), after low temperature, carry out sealing still, and add foaming agent, be warming up to 120 DEG C and carry out pyroreaction, heating rate according to
0.57 DEG C/min, pyroreaction time 3.1h, Stress control is at 0.75MP；(4) cooling discharge: be cooled to discharging when 51.4 DEG C.
Embodiment 14: a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that by following weight
Component processes: styrene 100 parts, fresh water (FW) 320 parts, and graphite selection is less than the powdered graphite of 25 μm: 3.79 parts, initiator
For peroxide acetic acid butyl ester, di-tert-butyl peroxide, the different nonanoic acid ter-butyl ester of peroxidating: 0.35 part, dispersant is polyethylene
Alcohol, hydroxyethyl cellulose: 0.2 part, foaming agent is butane, petroleum ether: 10.3 parts, nucleator PE wax: 0.22 part, particle size adjustment agent
0.06 part；Described particle size adjustment agent is calcium carbonate, polyvinyl alcohol, hydroxyethyl cellulose, sodium polymethacrylate, hydroxypropyl methyl
Cellulose；
And be prepared by the following method: above-mentioned fresh water (FW), dispersant are added to reactor by (1), stir 41min, simultaneously
Graphite and styrene are mixed, afterwards the styrene dissolved with graphite are added to reactor, and start to warm up, heating rate according to
0.9 DEG C/min, being warming up to 60.2 DEG C when, add nucleator and initiator and stir, being continuously heating to 90.8 DEG C and enter
Row low-temp reaction, the low-temp reaction time is 5.1h；(2), during low-temp reaction 2.5h, add particle size adjustment agent regulation size, make
Reach between grain scope such as 0.97 needed for stop adding particle size adjustment agent when more than 80%；(3), after low temperature, seal
Still, and add foaming agent, it being warming up to 120 DEG C and carry out pyroreaction, heating rate is according to 0.59 DEG C/min, pyroreaction time
3.3h, Stress control is at 0.77MP；(4) cooling discharge: be cooled to discharging when 51.6 DEG C.
Embodiment 15: a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that by following weight
Component processes: styrene 100 parts, fresh water (FW) 330 parts, and graphite selection is less than the powdered graphite of 50 μm: 3.83 parts, initiator
For peroxide acetic acid butyl ester, di-tert-butyl peroxide: 0.37 part, dispersant is dodecylbenzene sodium sulfonate hydroxy ethyl fiber
Element: 0.22 part, foaming agent is pentane, butane: 10.5 parts, nucleator PE wax: 0.24 part, particle size adjustment agent 0.08 part；Described grain
Footpath regulator is calcium carbonate, calcium phosphate, dodecylbenzene sodium sulfonate, sodium polymethacrylate, hydroxypropyl methyl cellulose；
And be prepared by the following method: above-mentioned fresh water (FW), dispersant are added to reactor by (1), stir 43min, simultaneously
Graphite and styrene are mixed, afterwards the styrene dissolved with graphite are added to reactor, and start to warm up, heating rate according to
1.1 DEG C/min, being warming up to 60.4 DEG C when, add nucleator and initiator and stir, being continuously heating to 91 DEG C and carry out
Low-temp reaction, the low-temp reaction time is 5.6h；(2), during low-temp reaction 2.7h, particle size adjustment agent regulation size is added so that
Reach between required grain scope such as 0.99 to stop adding particle size adjustment agent when more than 80%；(3), after low temperature, carry out sealing still,
And add foaming agent, be warming up to 120 DEG C and carry out pyroreaction, heating rate according to 0.61 DEG C/min, pyroreaction time 3.5h,
Stress control is at 0.79MP；(4) cooling discharge: be cooled to discharging when 51.8 DEG C.
Embodiment 16: compared with embodiment 1～15 any embodiment, the difference of the present embodiment is: increase fire-retardant
Agent 0.6 part and fire-retardant enhancing activating agent 0.25 part, fire retardant be deca-BDE, tetrabromophthalic anhydride, triphenyl phosphate,
Montmorillonite, hypophosphites, described fire retardant and fire-retardant enhancing activating agent add together with nucleator and initiator.
Embodiment 17: compared with embodiment 1～15 any embodiment, the difference of the present embodiment is: increase fire-retardant
Agent 0.62 part and fire-retardant enhancing activating agent 0.27 part, fire retardant is deca-BDE, tetrabromophthalic anhydride, phosphoric acid triphen
Ester, montmorillonite, hypophosphites, described fire retardant and fire-retardant enhancing activating agent add together with nucleator and initiator.
Embodiment 18: compared with embodiment 1～15 any embodiment, the difference of the present embodiment is: increase fire-retardant
Agent 0.64 part and fire-retardant enhancing activating agent 0.29 part, fire retardant is deca-BDE, tetrabromophthalic anhydride, phosphoric acid triphen
Ester, montmorillonite, hypophosphites, described fire retardant and fire-retardant enhancing activating agent add together with nucleator and initiator.
Embodiment 19: compared with embodiment 1～15 any embodiment, the difference of the present embodiment is: increase fire-retardant
Agent 0.66 part and fire-retardant enhancing activating agent 0.3 part, fire retardant be deca-BDE, tetrabromophthalic anhydride, triphenyl phosphate,
Montmorillonite, hypophosphites, described fire retardant and fire-retardant enhancing activating agent add together with nucleator and initiator.
Embodiment 20: compared with embodiment 1～15 any embodiment, the difference of the present embodiment is: increase fire-retardant
Agent 0.68 part and fire-retardant enhancing activating agent 0.31 part, fire retardant is deca-BDE, tetrabromophthalic anhydride, phosphoric acid triphen
Ester, montmorillonite, hypophosphites, described fire retardant and fire-retardant enhancing activating agent add together with nucleator and initiator.
Embodiment 21: compared with embodiment 1～15 any embodiment, the difference of the present embodiment is: increase fire-retardant
Agent 0.7 part and fire-retardant enhancing activating agent 0.35 part, fire retardant be deca-BDE, tetrabromophthalic anhydride, triphenyl phosphate,
Montmorillonite, hypophosphites, described fire retardant and fire-retardant enhancing activating agent add together with nucleator and initiator.
Embodiment 22: compared with embodiment 1～15 any embodiment, the difference of the present embodiment is: increase fire-retardant
Agent 0.72 part and fire-retardant enhancing activating agent 0.37 part, fire retardant is deca-BDE, tetrabromophthalic anhydride, phosphoric acid triphen
Ester, montmorillonite, hypophosphites, described fire retardant and fire-retardant enhancing activating agent add together with nucleator and initiator.
Embodiment 23: compared with embodiment 1～15 any embodiment, the difference of the present embodiment is: increase fire-retardant
Agent 0.74 part and fire-retardant enhancing activating agent 0.39 part, fire retardant is deca-BDE, tetrabromophthalic anhydride, phosphoric acid triphen
Ester, montmorillonite, hypophosphites, described fire retardant and fire-retardant enhancing activating agent add together with nucleator and initiator.
Embodiment 24: compared with embodiment 1～15 any embodiment, the difference of the present embodiment is: increase fire-retardant
Agent 0.76 part and fire-retardant enhancing activating agent 0.31 part, fire retardant is deca-BDE, tetrabromophthalic anhydride, phosphoric acid triphen
Ester, montmorillonite, hypophosphites, described fire retardant and fire-retardant enhancing activating agent add together with nucleator and initiator.
Embodiment 25: compared with embodiment 1～15 any embodiment, the difference of the present embodiment is: increase fire-retardant
Agent 0.78 part and fire-retardant enhancing activating agent 0.33 part, fire retardant is deca-BDE, tetrabromophthalic anhydride, phosphoric acid triphen
Ester, montmorillonite, hypophosphites, described fire retardant and fire-retardant enhancing activating agent add together with nucleator and initiator.
Embodiment 26: the production method of a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that
Mainly comprise the steps: that (1) is by fresh water (FW) 340 parts, dispersant active calcium phosphate: 0.24 part adds to reactor, stirring
45min, simultaneously by 3.5 parts of graphite and styrene 100 parts mixing, described graphite selects the powdered graphite less than 35 μm, afterwards will
Styrene dissolved with graphite adds to reactor, and starts to warm up, and heating rate, according to 1.3 DEG C/min, is being warming up to 60.6 DEG C
When add nucleator (PE wax) 0.1 part and initiator peroxidized t-butyl perbenzoate: 0.39 part and stir, continue to rise
Temperature carries out low-temp reaction to 91.2 DEG C, and the low-temp reaction time is 5.2h；(2), during low-temp reaction 2.9h, pass through according to size
Particle size adjustment agent calcium carbonate, calcium phosphate, dodecylbenzene sodium sulfonate, hydroxypropyl methyl cellulose: mediate for 0.05 part so that
Till reaching more than 80% between required grain scope such as 0.11；(3), after low temperature, carry out sealing still, and add foaming agent oil
Ether: 10.7 parts, is warming up to 120 DEG C and carries out pyroreaction, and heating rate is according to 0.63 DEG C/min, pyroreaction time 3.7h, pressure
Power controls at 0.81MP；(4) cooling discharge: be cooled to discharging when 52 DEG C.
Embodiment 27: the production method of a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that
Mainly comprise the steps: that (1) is by fresh water (FW) 350 parts, dispersant dodecylbenzene sodium sulfonate: 0.26 part adds to reactor,
Stirring 16min, simultaneously by 3.8 parts of graphite and styrene 100 parts mixing, described graphite selects the powdered graphite less than 50 μm, it
After the styrene dissolved with graphite is added to reactor, and start to warm up, heating rate, according to 1.5 DEG C/min, is being warming up to
Add nucleator (PE wax) 0.12 part and initiator dibenzoyl peroxide when of 60.8 DEG C: 0.35 part and stir, continue
Continuous being warming up to 91.4 DEG C and carry out low-temp reaction, the low-temp reaction time is 5.1h；(2) during low-temp reaction 3.1h, according to size
By particle size adjustment agent calcium carbonate: mediate for 0.07 part so that till reaching more than 80% between required grain scope such as 0.13；
(3), after low temperature, carry out sealing still, and add foaming agent pentane, butane: 10.9 parts, be warming up to 120 DEG C and carry out pyroreaction,
Heating rate is according to 0.65 DEG C/min, and pyroreaction time 3.5h, Stress control is at 0.83MP；(4) cooling discharge: be cooled to
Discharging when 52.2 DEG C.
Embodiment 28: the production method of a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that
Mainly comprise the steps: that (1) is by fresh water (FW) 360 parts, polyethylene of dispersing agent alcohol: 0.28 part adds to reactor, stirring
18min, simultaneously by 3.85 parts of graphite and styrene 100 parts mixing, described graphite selects the powdered graphite less than 50 μm, afterwards will
Styrene dissolved with graphite adds to reactor, and starts to warm up, and heating rate, according to 1.7 DEG C/min, is being warming up to 61 DEG C
Time add nucleator (PE wax) 0.14 part and initiator peroxide acetic acid butyl ester: 0.36 part and stir, continue to heat up
Carrying out low-temp reaction to 91.6 DEG C, the low-temp reaction time is 5.5h；(2), during low-temp reaction 3.3h, grain is passed through according to size
Footpath regulator calcium phosphate, hydroxypropyl methyl cellulose: mediate for 0.09 part so that reach between required grain scope such as 1.13
Till more than 80%；(3), after low temperature, carry out sealing still, and add foaming agent pentane, petroleum ether: 11 parts, be warming up to 120 DEG C
Carrying out pyroreaction, heating rate is according to 0.67 DEG C/min, and pyroreaction time 3.9h, Stress control is at 0.85MP；(4) cooling
Discharging: be cooled to discharging when 52.4 DEG C.
Embodiment 29: the production method of a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that
Mainly comprise the steps: that (1) is by fresh water (FW) 370 parts, dispersant hydroxyethyl cellulose: 0.3 part adds to reactor, stirring
20min, simultaneously by 3.9 parts of graphite and styrene 100 parts mixing, described graphite selects the powdered graphite less than 50 μm, afterwards will
Styrene dissolved with graphite adds to reactor, and starts to warm up, and heating rate, according to 1.9 DEG C/min, is being warming up to 61.2 DEG C
When add nucleator (PE wax) 0.16 part and initiator peroxide acetic acid butyl ester, di-tert-butyl peroxide, peroxidating
Different nonanoic acid ter-butyl ester: 0.45 part and stir, is continuously heating to 91.8 DEG C and carries out low-temp reaction, and the low-temp reaction time is
5.9h；(2) during low-temp reaction 3.5h, according to size by particle size adjustment agent dodecylbenzene sodium sulfonate, polyvinyl alcohol, hydroxyl
Ethyl cellulose: mediate for 0.06 part so that till reaching more than 80% between required grain scope such as 1.15；(3) low temperature is complete
Bi Hou, carries out sealing still, and adds foaming agent butane, petroleum ether: 11.2 parts, be warming up to 120 DEG C and carry out pyroreaction, heating rate
According to 0.69 DEG C/min, pyroreaction time 4.1h, Stress control is at 0.87MP；(4) cooling discharge: be cooled to when 52.6 DEG C go out
Material.
Embodiment 30: the production method of a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that
Mainly comprise the steps: that (1) is by fresh water (FW) 380 parts, dispersant active calcium phosphate, dodecylbenzene sodium sulfonate: 0.32 part of throwing
Adding to reactor, stir 15～45min, simultaneously by 3.92 parts of graphite and styrene 100 parts mixing, described graphite is selected less than 50
The powdered graphite of μm, adds the styrene dissolved with graphite to reactor afterwards, and starts to warm up, heating rate according to 0.5 DEG C/
Min, adds nucleator (PE wax) 0.18 part and initiator peroxidized t-butyl perbenzoate, peroxide being warming up to 61.4 DEG C when
Change dibenzoyl, peroxide acetic acid butyl ester: 0.41 part and stir, be continuously heating to 92 DEG C and carry out low-temp reaction, low temperature
Response time is 5.7h；(2) during low-temp reaction 3.7h, according to size by particle size adjustment agent calcium carbonate, polymethyl
Acid sodium, hydroxypropyl methyl cellulose 0.08 part are mediated so that till reaching more than 80% between required grain scope such as 1.17；
(3), after low temperature, carry out sealing still, and add foaming agent pentane, butane, petroleum ether: 11.4 parts, be warming up to 120 DEG C and carry out height
Temperature reaction, heating rate is according to 0.71 DEG C/min, and pyroreaction time 4.3h, Stress control is at 0.89MP；(4) cooling discharge:
It is cooled to discharging when 52.8 DEG C.
Embodiment 31: the production method of a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that
Mainly comprise the steps: that (1) is by fresh water (FW) 390 parts, dispersant active calcium phosphate, polyvinyl alcohol: 0.34 part adds to reaction
Still, stirs 22min, and simultaneously by 3.92 parts of graphite and styrene 100 parts mixing, described graphite selects the graphite powder less than 50 μm
End, adds the styrene dissolved with graphite to reactor afterwards, and starts to warm up, and heating rate, according to 0.6 DEG C/min, is heating up
To adding nucleator (PE wax) 0.13 part and initiator peroxidized t-butyl perbenzoate, diphenyl peroxide first when of 61.6 DEG C
Acyl, the different nonanoic acid ter-butyl ester of peroxidating: 0.5 part and stir, be continuously heating to 88.1 DEG C and carry out low-temp reaction, during low-temp reaction
Between be 5.2h；(2) during low-temp reaction 3.9h, according to size by particle size adjustment agent calcium carbonate, calcium phosphate, detergent alkylate
Sodium sulfonate: mediate for 0.1 part so that till reaching more than 80% between required grain scope such as 1.19；(3) after low temperature,
Carry out sealing still, and add foaming agent pentane, petroleum ether: 11.6 parts, be warming up to 120 DEG C and carry out pyroreaction, heating rate according to
0.73 DEG C/min, pyroreaction time 4.5h, Stress control is at 0.72MP；(4) cooling discharge: be cooled to discharging when 53 DEG C.
Embodiment 32: the production method of a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that
Mainly comprise the steps: that (1) is by fresh water (FW) 400 parts, dispersant active calcium phosphate, hydroxyethyl cellulose: 0.15 part add to
Reactor, stirs 15～45min, and simultaneously by 4 parts of graphite and styrene 100 parts mixing, described graphite selects the stone less than 30 μm
Powdered ink end, adds the styrene dissolved with graphite to reactor afterwards, and starts to warm up, heating rate according to 0.8 DEG C/min,
It is warming up to the when of 61.8 DEG C add nucleator (PE wax) 0.15 part and initiator peroxidized t-butyl perbenzoate, diphenyl peroxide
Formyl, peroxide acetic acid butyl ester: 0.33 part and stir, be continuously heating to 88.3 DEG C and carry out low-temp reaction, low-temp reaction
Time is 5.3h；(2) during low-temp reaction 2.2h, according to size by particle size adjustment agent calcium carbonate, calcium phosphate, dodecyl
Benzene sulfonic acid sodium salt, hydroxypropyl methyl cellulose: mediate for 0.12 part so that between required grain scope such as 1.21, reach more than 80%
Till；(3), after low temperature, carry out sealing still, and add foaming agent pentane, butane, petroleum ether: 11.3 parts, be warming up to 120 DEG C and enter
Row pyroreaction, heating rate is according to 0.75 DEG C/min, and pyroreaction time 4.7h, Stress control is at 0.74MP；(4) lower the temperature
Material: be cooled to discharging when 48.3 DEG C.
Embodiment 33: the production method of a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that
Mainly comprise the steps: (1) by fresh water (FW) 215 parts, dispersant active calcium phosphate, dodecylbenzene sodium sulfonate, polyvinyl alcohol,
Hydroxyethyl cellulose: 0.17 part adds to reactor, stirs 24min, simultaneously by 4.05 parts of graphite and styrene 100 parts mixing,
Described graphite selects the powdered graphite less than 50 μm, adds the styrene dissolved with graphite to reactor afterwards, and starts to warm up,
Heating rate, according to 0.12 DEG C/min, adds nucleator (PE wax) 0.17 part and initiator peroxide being warming up to 61.9 DEG C when
Change t-butyl perbenzoate, dibenzoyl peroxide, peroxide acetic acid butyl ester: 0.46 part and stir, be continuously heating to
88.4 DEG C carry out low-temp reaction, and the low-temp reaction time is 5.1h；(2), during low-temp reaction 3.2h, particle diameter is passed through according to size
Regulator calcium carbonate, calcium phosphate, dodecylbenzene sodium sulfonate: mediate for 0.11 part so that between required grain scope such as 1.23
Till reaching more than 80%；(3), after low temperature, carry out sealing still, and add foaming agent pentane, butane: 11.5 parts, be warming up to
120 DEG C carry out pyroreaction, and heating rate is according to 0.77 DEG C/min, and pyroreaction time 4.9h, Stress control is at 0.76MP；
(4) cooling discharge: be cooled to discharging when 48.5 DEG C.
Embodiment 34: the production method of a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that
Mainly comprise the steps: that (1) is by fresh water (FW) 255 parts, dispersant active calcium phosphate, polyvinyl alcohol, hydroxyethyl cellulose: 0.19
Part adds to reactor, stirs 26min, and simultaneously by 4.15 parts of graphite and styrene 100 parts mixing, described graphite is selected less than 50
The powdered graphite of μm, adds the styrene dissolved with graphite to reactor afterwards, and starts to warm up, and heating rate is according to 0.62
DEG C/min, being warming up to 62 DEG C when, add nucleator (PE wax) 0.19 part and initiator dibenzoyl peroxide, peroxidating
Tert-butyl acetate, di-tert-butyl peroxide: 0.38 part and stir, be continuously heating to 88.5 DEG C and carry out low-temp reaction, low
The temperature response time is 5.6h；(2) during low-temp reaction 2.4h, fine by particle size adjustment agent calcium carbonate, ethoxy according to size
Dimension element, sodium polymethacrylate, hydroxypropyl methyl cellulose: mediate for 0.06 part so that between required grain scope such as 1.25
Till reaching more than 80%；(3), after low temperature, carry out sealing still, and add foaming agent pentane, petroleum ether: 7.6 parts, be warming up to
120 DEG C carry out pyroreaction, and heating rate is according to 0.79 DEG C/min, and pyroreaction time 3h, Stress control is at 0.79MP；(4)
Cooling discharge: be cooled to discharging when 48.7 DEG C.
Embodiment 35: the production method of a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that
Mainly comprise the steps: (1) by fresh water (FW) 265 parts, dispersant active calcium phosphate, dodecylbenzene sodium sulfonate, polyvinyl alcohol,
Hydroxyethyl cellulose: 0.16 part adds to reactor, stirs 28min, simultaneously by 4.25 parts of graphite and styrene 100 parts mixing,
Described graphite selects the powdered graphite less than 50 μm, adds the styrene dissolved with graphite to reactor afterwards, and starts to warm up,
Heating rate, according to 0.65 DEG C/min, adds nucleator (PE wax) 0.2 part and initiator peroxide being warming up to 62.2 DEG C when
Change t-butyl perbenzoate, di-tert-butyl peroxide, the different nonanoic acid ter-butyl ester of peroxidating: 0.3 part and stir, be continuously heating to
88.7 DEG C carry out low-temp reaction, and the low-temp reaction time is 5.5h；(2), during low-temp reaction 3.4h, particle diameter is passed through according to size
Regulator hydroxyethyl cellulose, sodium polymethacrylate, hydroxypropyl methyl cellulose: mediate for 0.07 part so that required grain
Till reaching more than 80% between scope such as 1.27；(3), after low temperature, carry out sealing still, and add foaming agent butane, oil
Ether: 7.5 parts, is warming up to 120 DEG C and carries out pyroreaction, and heating rate is according to 0.36 DEG C/min, pyroreaction time 4.5h, pressure
Control at 0.82MP；(4) cooling discharge: be cooled to discharging when 48.9 DEG C.
Embodiment 36: the production method of a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that
Mainly comprise the steps: that (1) is by fresh water (FW) 355 parts, polyethylene of dispersing agent alcohol, hydroxyethyl cellulose: 0.25 part adds to instead
Answering still, stir 15～45min, simultaneously by 4.35 parts of graphite and styrene 100 parts mixing, described graphite selects the stone less than 50 μm
Powdered ink end, afterwards the styrene dissolved with graphite is added to reactor, and starts to warm up, heating rate according to 0.85 DEG C/min,
Nucleator (PE wax) 0.23 part and initiator peroxidized t-butyl perbenzoate, peroxidating two is added being warming up to 62.5 DEG C when
Benzoyl, the different nonanoic acid ter-butyl ester of peroxidating: 0.37 part and stir, be continuously heating to 88.9 DEG C and carry out low-temp reaction, low temperature
Response time is 5.1h；(2) during low-temp reaction 2.6h, according to size by particle size adjustment agent hydroxypropyl methyl cellulose:
Mediate for 0.09 part so that till reaching more than 80% between required grain scope such as 1.29；(3), after low temperature, seal
Still, and add foaming agent butane: 8.6 parts, being warming up to 120 DEG C and carry out pyroreaction, heating rate is according to 0.38 DEG C/min, high temperature
Response time 3.5h, Stress control is at 0.84MP；(4) cooling discharge: be cooled to discharging when 49.1 DEG C.
Embodiment 37: the production method of a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that
Mainly comprise the steps: that (1) is by fresh water (FW) 365 parts, dispersant, dodecylbenzene sodium sulfonate, polyvinyl alcohol, hydroxy ethyl fiber
Element: 0.28 part adds to reactor, stirs 15～45min, simultaneously by 4.45 parts of graphite and styrene 100 parts mixing, described stone
The powdered graphite less than 50 μm selected by ink, adds the styrene dissolved with graphite to reactor afterwards, and starts to warm up, and heat up speed
Rate, according to 0.95 DEG C/min, adds nucleator (PE wax) 0.25 part and initiator benzoyl peroxide first being warming up to 62.7 DEG C when
Tert-butyl acrylate, the different nonanoic acid ter-butyl ester of peroxidating: 0.47 part and stir, be continuously heating to 89.1 DEG C and carry out low-temp reaction, low
The temperature response time is 5.3h；(2) during low-temp reaction 3.6h, fine by particle size adjustment agent calcium carbonate, ethoxy according to size
Dimension element, hydroxypropyl methyl cellulose: mediate for 0.07 part so that reaching more than 80% between required grain scope such as 0.75 is
Only；(3), after low temperature, carry out sealing still, and add foaming agent pentane, butane, petroleum ether: 8.5 parts, be warming up to 120 DEG C and carry out
Pyroreaction, heating rate is according to 0.46 DEG C/min, and pyroreaction time 3.8h, Stress control is at 0.77MP；(4) lower the temperature
Material: be cooled to discharging when 49.3 DEG C.
Embodiment 38: the production method of a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that
Mainly comprise the steps: that (1) is by fresh water (FW) 385 parts, dispersant, dodecylbenzene sodium sulfonate, polyvinyl alcohol, hydroxy ethyl fiber
Element: 0.21 part adds to reactor, stirs 30min, and simultaneously by 4.5 parts of graphite and styrene 100 parts mixing, described graphite is selected
Less than the powdered graphite of 50 μm, afterwards the styrene dissolved with graphite is added to reactor, and starts to warm up, heating rate according to
0.15 DEG C/min, being warming up to 62.9 DEG C when, add nucleator (PE wax) 0.26 part and the tertiary fourth of initiator perbenzoic acid
Ester, dibenzoyl peroxide, di-tert-butyl peroxide, the different nonanoic acid ter-butyl ester of peroxidating: 0.32 part and stir, continue to rise
Temperature carries out low-temp reaction to 89.3 DEG C, and the low-temp reaction time is 5.5h；(2), during low-temp reaction 2.8h, pass through according to size
Particle size adjustment agent calcium carbonate, calcium phosphate, dodecylbenzene sodium sulfonate, hydroxypropyl methyl cellulose: mediate for 0.05 part so that
Till reaching more than 80% between required grain scope such as 0.77；(3) after low temperature, carry out seal still, and add foaming agent butane,
Petroleum ether: 9.5 parts, is warming up to 120 DEG C and carries out pyroreaction, heating rate according to 0.44 DEG C/min, pyroreaction time 4.2h,
Stress control is at 0.88MP；(4) cooling discharge: be cooled to discharging when 49.5 DEG C.
Embodiment 39: the production method of a kind of high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that
Mainly comprise the steps: (1) by fresh water (FW) 265 parts, dispersant live polyvinyl alcohol, hydroxyethyl cellulose: 0.29 part add to
Reactor, stirs 15～45min, and simultaneously by 3.85 parts of graphite and styrene 100 parts mixing, described graphite is selected less than 50 μm
Powdered graphite, adds the styrene dissolved with graphite to reactor afterwards, and starts to warm up, heating rate according to 0.2 DEG C/min,
Nucleator (PE wax) 0.22 part and initiator peroxidized t-butyl perbenzoate, peracetic acid is added being warming up to 63 DEG C when
The tert-butyl ester, di-tert-butyl peroxide: 0.42 part and stir, be continuously heating to 92 DEG C and carry out low-temp reaction, low-temp reaction
Time is 6h；(2) during low-temp reaction 3.8h, according to size by particle size adjustment agent dodecylbenzene sodium sulfonate, ethoxy
Cellulose: mediate for 0.08 part so that till reaching more than 80% between required grain scope such as 1.3；(3) after low temperature,
Carry out sealing still, and add foaming agent pentane, butane, petroleum ether: 12 parts, being warming up to 120 DEG C and carry out pyroreaction, heating rate is pressed
According to 0.8 DEG C/min, pyroreaction time 5h, Stress control is at 0.9MP；(4) cooling discharge: be cooled to discharging when 49.7 DEG C.
Embodiment 40: compared with embodiment 26～39 any embodiment, the difference of the present embodiment is: increase fire-retardant
Agent 0.8 part and fire-retardant enhancing activating agent 0.26 part, fire retardant be deca-BDE, tetrabromophthalic anhydride, triphenyl phosphate,
Montmorillonite, hypophosphites, described fire retardant and fire-retardant enhancing activating agent add together with nucleator and initiator.
Embodiment 41: compared with embodiment 26～39 any embodiment, the difference of the present embodiment is: increase fire-retardant
Agent 0.82 part and fire-retardant enhancing activating agent 0.28 part, fire retardant is deca-BDE, tetrabromophthalic anhydride, phosphoric acid triphen
Ester, montmorillonite, hypophosphites, described fire retardant and fire-retardant enhancing activating agent add together with nucleator and initiator.
Embodiment 42: compared with embodiment 26～39 any embodiment, the difference of the present embodiment is: increase fire-retardant
Agent 0.84 part and fire-retardant enhancing activating agent 0.3 part, fire retardant be deca-BDE, tetrabromophthalic anhydride, triphenyl phosphate,
Montmorillonite, hypophosphites, described fire retardant and fire-retardant enhancing activating agent add together with nucleator and initiator.
Embodiment 43: compared with embodiment 26～39 any embodiment, the difference of the present embodiment is: increase fire-retardant
Agent 0.86 part and fire-retardant enhancing activating agent 0.32 part, fire retardant is deca-BDE, tetrabromophthalic anhydride, phosphoric acid triphen
Ester, montmorillonite, hypophosphites, described fire retardant and fire-retardant enhancing activating agent add together with nucleator and initiator.
Embodiment 44: compared with embodiment 26～39 any embodiment, the difference of the present embodiment is: increase fire-retardant
Agent 0.88 part and fire-retardant enhancing activating agent 0.34 part, fire retardant is deca-BDE, tetrabromophthalic anhydride, phosphoric acid triphen
Ester, montmorillonite, hypophosphites, described fire retardant and fire-retardant enhancing activating agent add together with nucleator and initiator.
Embodiment 45: compared with embodiment 26～39 any embodiment, the difference of the present embodiment is: increase fire-retardant
Agent 0.9 part and fire-retardant enhancing activating agent 0.36 part, fire retardant be deca-BDE, tetrabromophthalic anhydride, triphenyl phosphate,
Montmorillonite, hypophosphites, described fire retardant and fire-retardant enhancing activating agent add together with nucleator and initiator.
Embodiment 46: compared with embodiment 26～39 any embodiment, the difference of the present embodiment is: increase fire-retardant
Agent 0.83 part and fire-retardant enhancing activating agent 0.38 part, fire retardant is deca-BDE, tetrabromophthalic anhydride, phosphoric acid triphen
Ester, montmorillonite, hypophosphites, described fire retardant and fire-retardant enhancing activating agent add together with nucleator and initiator.
Embodiment 47: compared with embodiment 26～39 any embodiment, the difference of the present embodiment is: increase fire-retardant
Agent 0.85 part and fire-retardant enhancing activating agent 0.4 part, fire retardant be deca-BDE, tetrabromophthalic anhydride, triphenyl phosphate,
Montmorillonite, hypophosphites, described fire retardant and fire-retardant enhancing activating agent add together with nucleator and initiator.
Embodiment 48: compared with embodiment 26～39 any embodiment, the difference of the present embodiment is: increase fire-retardant
Agent 0.87 part and fire-retardant enhancing activating agent 0.28 part, fire retardant is deca-BDE, tetrabromophthalic anhydride, phosphoric acid triphen
Ester, montmorillonite, hypophosphites, described fire retardant and fire-retardant enhancing activating agent add together with nucleator and initiator.
Embodiment 49: compared with embodiment 26～39 any embodiment, the difference of the present embodiment is: increase fire-retardant
Agent 0.9 part and fire-retardant enhancing activating agent 0.3 part, fire retardant be deca-BDE, tetrabromophthalic anhydride, triphenyl phosphate,
Montmorillonite, hypophosphites, described fire retardant and fire-retardant enhancing activating agent add together with nucleator and initiator.
Claims (6)
1. a high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that processed by following components by weight percent and
Become:
Styrene 100 parts,
Fresh water (FW) 200～400 parts,
Graphite 3.5～4.5 parts,
Initiator 0.3～0.5 part,
Dispersant 0.15～0.35 part,
Foaming agent 7～12 parts,
Nucleator 0.1～0.25 part,
Particle size adjustment agent 0.05～0.12 part；
Described initiator is peroxidized t-butyl perbenzoate, dibenzoyl peroxide, peroxide acetic acid butyl ester, di-t-butyl mistake
One or more in oxide, the different nonanoic acid ter-butyl ester of peroxidating；
Described particle size adjustment agent is calcium carbonate, calcium phosphate, dodecylbenzene sodium sulfonate, polyvinyl alcohol, hydroxyethyl cellulose, poly-first
One or more in base sodium acrylate, hydroxypropyl methyl cellulose；
Described foaming agent is one or more in pentane, butane, petroleum ether；
Described dispersant is active calcium phosphate, dodecylbenzene sodium sulfonate, polyvinyl alcohol, hydroxyethyl cellulose；
Described nucleator is PE wax；
Its processing method is as follows:
(1) above-mentioned fresh water (FW), dispersant are added to reactor, stir 15～45min, graphite and styrene are mixed simultaneously,
Adding the styrene dissolved with graphite to reactor afterwards, and start to warm up, heating rate, according to 0.5～2.0 DEG C/min, is rising
Temperature is to adding nucleator and initiator and stirring the when of 58～63 DEG C, being continuously heating to 88～92 DEG C, to carry out low temperature anti-
Should, the low-temp reaction time is 5～6h；
(2) during low-temp reaction 2～4h, add particle size adjustment agent regulation size so that required grain scope such as 0.71～1.3 it
Between reach more than 80% till；
(3), after low temperature, carry out sealing still, and add foaming agent, be warming up to 120 DEG C and carry out pyroreaction, heating rate according to
0.3～0.8 DEG C/min, the pyroreaction time 3.0～5.0h, Stress control is 0.7～0.9MP；
(4) cooling discharge: be cooled to discharging when 48～53 DEG C.
High fire-retardance the most according to claim 1 low conductive graphite expandable polystyrene product, it is characterised in that: raw material selects
There are fire retardant 0.6～0.9 part and fire-retardant enhancing activating agent 0.25～0.4 part, add together with nucleator, initiator, described resistance
Combustion agent is one or several in deca-BDE, tetrabromophthalic anhydride, triphenyl phosphate, montmorillonite, hypophosphites.
High fire-retardance the most according to claim 1 and 2 low conductive graphite expandable polystyrene product, it is characterised in that: stone
The powdered graphite less than 50 μm selected by ink.
4. the production method of a high fire-retardance low conductive graphite expandable polystyrene product, it is characterised in that mainly include as follows
Step:
(1) fresh water (FW) 200～400 parts, dispersant 0.15～0.35 part are added to reactor, stir 15～45min, will simultaneously
Graphite 3.5～4.5 parts and styrene 100 parts mixing, add the styrene dissolved with graphite to reactor afterwards, and starts to rise
Temperature, heating rate, according to 0.5～2.0 DEG C/min, adds nucleator 0.1～0.25 part being warming up to 58～63 DEG C when and draws
Sending out agent 0.3～0.5 part and stir, being continuously heating to 88～92 DEG C and carry out low-temp reaction, the low-temp reaction time is 5～6h；
(2), during low-temp reaction 2～4h, mediated by particle size adjustment agent 0.05～0.12 part according to size so that institute
Till needing grain scope such as to reach more than 80% between 0.71～1.3；
(3) after low temperature, carrying out sealing still, and add foaming agent 7～12 parts, be warming up to 120 DEG C and carry out pyroreaction, heat up speed
Rate is according to 0.3～0.8 DEG C/min, pyroreaction time 3.0～5.0h, and Stress control is 0.7～0.9MP；
(4) cooling discharge: be cooled to discharging when 48～53 DEG C.
The production method of high fire-retardance the most according to claim 3 low conductive graphite expandable polystyrene product, its feature
It is: together with when adding nucleator with initiator, add fire retardant 0.6～0.9 part and fire-retardant enhancing activating agent 0.25～0.4
Part, described fire retardant is the one in deca-BDE, tetrabromophthalic anhydride, triphenyl phosphate, montmorillonite, hypophosphites
Or it is several.
6., according to the production method of the low conductive graphite expandable polystyrene product of the high fire-retardance described in claim 4 or 5, it is special
Levy and be: graphite selects the powdered graphite less than 50 μm.
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| CN115215950A (en) * | 2022-08-08 | 2022-10-21 | 抚顺达路旺复合新材料有限公司 | Graphite-based expandable polystyrene particles with uniform particle size and preparation method thereof |
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