CN107915925A - A kind of High-molecular flame-retardant foam material and preparation method thereof - Google Patents
A kind of High-molecular flame-retardant foam material and preparation method thereof Download PDFInfo
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
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- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
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- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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- C08K5/00—Use of organic ingredients
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Abstract
The present invention provides a kind of High-molecular flame-retardant foam material and preparation method thereof, belongs to expanded material technical field.The expanded material is made of the raw material of following parts by weight：103 128 parts of polyvinyl chloride, vinyl acetate content are 15% 22% 15 25 parts of EVA particles, 65 80 parts of precipitated calcium carbonate, 6 10 parts of foaming agent, 46 parts of silicone oil, 15 20 parts of fire retardant, 35 parts of retardant synergist, 12 parts of crosslinking agent, 35 parts of blowing promotor；The fire retardant is layered double hydroxide, and the retardant synergist is that weight ratio is 34:1 graphene and isopropyl three (dioctylphyrophosphoric acid acid amides epoxide) titanate esters.The thermal insulation material that the present invention is prepared has the advantages that insulation and fire resistance are good on the premise of ensureing it with some strength.
Description
【Technical field】
The present invention relates to the expanded material technical field of insulation, and in particular to a kind of High-molecular flame-retardant foam material and its system
Preparation Method.
【Background technology】
The purposes of expanded material is very extensive, since it is with high intensity, light weight, splendid insulation heat-insulating property and height
Energy ability is absorbed, may be used as the packaging material of various instrument, valuables, precision instrument, vegetable and fruit and aquatic products etc.；
And because it is with the excellent spy such as pyroconductivity is low, water imbibition is small, electrical insulating property is good, sound insulation, moisture-proof and moulding process are simple
Property, and the roadbed for being widely used in road and bridge is laid with and building construction and the thermal insulation material of fishery fishing and refrigeration industry
Etc..Wherein, as a kind of excellent construction material, Foamex can be additionally used in the roofing and wall of building, its conduct
External heat insulating composite wall has very good energy-saving effect；And it is suitable for house, factory, office space as heat insulation house surface
Roofing and ground, can play the role of sound insulation, water blocking steam, sealing and insulation etc..As thermal insulation material for building, primarily
The several performance indicators considered are low thermal conductivity, high fire retardancy, preferable adhesive property and preferable self-strength.
Fire-retardant heat insulation expanded material is widely used in various needing fireproof occasion because it is with the performance such as light, fire-retardant.
But existing fire-retardant heat insulation expanded material, its intensity, fire-retardant and heat-insulating property cannot meet at the same time, can not meet some more demanding
Occasion, using above also suffering from some limitations.
【The content of the invention】
The goal of the invention of the present invention is：For above-mentioned problem, there is provided a kind of High-molecular flame-retardant foam material and
Its preparation method, the thermal insulation material that the present invention is prepared have insulation and resistance on the premise of ensureing it with some strength
Fire the advantages of performance is good.
To achieve these goals, the technical solution adopted by the present invention is as follows：
A kind of High-molecular flame-retardant foam material, mainly made of the raw material of following parts by weight：Polyvinyl chloride 103-128
Part, vinyl acetate content be 15%-22% 15-25 parts of EVA particles, 65-80 parts of precipitated calcium carbonate, 6-10 parts of foaming agent, silicon
It is 4-6 parts oily, 15-20 parts of fire retardant, 3-5 parts of retardant synergist, 1-2 parts of crosslinking agent, 3-5 parts of blowing promotor；The fire retardant is
Layered double hydroxide, the retardant synergist are that weight ratio is 3-4:1 graphene and (the dioctyl Jiao's phosphorus of isopropyl three
Sour acid amides epoxide) titanate esters.
Preferably, foaming agent used is to azodicarbonamide in the present invention.
Preferably, the blowing promotor used is by 3-5 parts of cassava whole-powders, 6-9 parts of acetylations by weight in the present invention
Mono-fatty acid glyceride, 1-2 parts of sodium alginate sulfuric ester compositions.
Preferably, fire retardant used is magnalium laminar double-metal hydroxide in the present invention.
Preferably, crosslinking agent used is phthalic acid di-allyl ester in the present invention.
The present invention also provides the preparation method of above-mentioned High-molecular flame-retardant foam material, comprise the following steps：
(1) all raw materials are got out by weight；
(2) fire retardant is mixed with retardant synergist, 30- is stirred under the rotating speed of 200-300r/min using mixer
60min, be then heated to 40-50 DEG C insulation stand 5-8 it is small when, obtain fire-retardant raw material A；
(3) foaming agent is mixed with blowing promotor, adding a certain amount of water makes foaming agent and blowing promotor complete wetting, adopts
20-35min is stirred under the rotating speed of 100-200r/min with mixer, the powder that particle diameter is 20-50 mesh then is made with comminutor
Grain, obtains foaming raw material B；
(4) it is the EVA particles of 15%-22%, precipitated calcium carbonate in high-speed mixer by polyvinyl chloride, vinyl acetate content
In with rotating speed mixing 10-15 minutes of 1000-1200r/min, then add silicone oil, crosslinking agent, blowing promotor with 300-400r/
The rotating speed mixing of min 10-15 minutes, adds the fire-retardant raw material A, foaming raw material B, after mixing after then heating to 80-95 DEG C
The melting extrusion in double screw extruder；The rotating speed of double screw extruder is 250-300rpm/min, and one section of temperature is 70-80
DEG C, two sections of temperature are 140-165 DEG C, and three sections of temperature are 180-190 DEG C, and four sections of temperature are 170-180 DEG C, and five sections of temperature are 160-
170 DEG C, finally obtain High-molecular flame-retardant foam material.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1st, the present invention is hindered using graphene and the mixture of isopropyl three (dioctylphyrophosphoric acid acid amides epoxide) titanate esters
Synergist is fired, by being carried out with layered double hydroxide high-speed stirred after disperseing, then is stood at a certain temperature at infiltration
Reason, can improve fire-retardant effect, and reduce the use of fire retardant to fire-retardant synergistic effect of layered double hydroxide
Amount.
2nd, used in the present invention to azodicarbonamide as polyvinyl chloride and vinyl acetate content as 15%-22%'s
The foaming agent of EVA particles, due to the influence of the factors such as electrostatic, easily reunites azodicarbonamide, is polymerizeing so as to influence it
Dispersiveness in thing, causes to foam uneven, influences the intensity and heat-insulating property of material, by adding by cassava whole-powder, acetyl
Change mono-fatty acid glyceride, the blowing promotor that sodium alginate sulfuric ester forms and hybrid fine particles are made, be then added in polymer
Mixed foaming, can make material surface skinning smooth, and distribution of cells is uniform in material, cell size is homogeneous, form closed pore hard
Structure, so as to ensure the heat-insulating property of expanded material and the intensity of material.
3rd, the present invention prepares the expanded material of gained and can be used for the skirting for making indoor decoration and composite floor board
Sandwich material.
【Embodiment】
In order to more clearly express the present invention, below by way of specific embodiment, the invention will be further described.
Embodiment 1
A kind of High-molecular flame-retardant foam material, mainly made of the raw material of following parts by weight：103 parts of polyvinyl chloride,
Vinyl acetate content is 15% 15 parts of EVA particles, and 65 parts of precipitated calcium carbonate, foaming agent is to 6 parts of azodicarbonamide, silicone oil 2
Part, 15 parts of fire retardant magnalium laminar double-metal hydroxide, 3 parts of retardant synergist, 1 part of phthalic acid di-allyl ester, foaming helps
3 parts of agent；Retardant synergist is that weight ratio is 3:1 graphene and isopropyl three (dioctylphyrophosphoric acid acid amides epoxide) titanate esters；
Blowing promotor is by 3 parts of cassava whole-powders, 6 parts of acetylation mono-fatty acid glycerides, 1 part of sodium alginate sulfuric ester group by weight
Into.
The preparation method of above-mentioned High-molecular flame-retardant foam material, comprises the following steps：
(1) all raw materials are got out by weight；
(2) fire retardant is mixed with retardant synergist, 60min is stirred under the rotating speed of 200r/min using mixer, so
After be heated to 40 DEG C insulation stand 8 it is small when, obtain fire-retardant raw material A；
(3) foaming agent is mixed with blowing promotor, adding a certain amount of water makes foaming agent and blowing promotor complete wetting, adopts
35min is stirred under the rotating speed of 100r/min with mixer, the powder that particle diameter is 20-50 mesh then is made with comminutor, must send out
Steep raw material B；
(4) by polyvinyl chloride, vinyl acetate content be 15% EVA particles, precipitated calcium carbonate in high-speed mixer with
The rotating speed of 1000r/min mixes 15 minutes, then adds silicone oil, crosslinking agent, blowing promotor and mixes 15 with the rotating speed of 300r/min
Minute, the fire-retardant raw material A, foaming raw material B are added after then heating to 80-90 DEG C, is melted after mixing in double screw extruder
Melt extrusion；The rotating speed of double screw extruder is 250rpm/min, and one section of temperature is 70-80 DEG C, and two sections of temperature are 140-165 DEG C,
Three sections of temperature are 180-190 DEG C, and four sections of temperature are 170-180 DEG C, and five sections of temperature are 160-170 DEG C, finally obtain macromolecule resistance
Fire expanded material.
Embodiment 2
A kind of High-molecular flame-retardant foam material, mainly made of the raw material of following parts by weight：115 parts of polyvinyl chloride,
Vinyl acetate content is 18% 20 parts of EVA particles, and 65 parts of precipitated calcium carbonate, foaming agent is to 8 parts of azodicarbonamide, silicone oil 5
Part, 18 parts of fire retardant magnalium laminar double-metal hydroxide, 4 parts of retardant synergist, 1.5 parts of phthalic acid di-allyl ester, foaming
4 parts points of auxiliary agent；Retardant synergist is that weight ratio is 3.5:1 graphene and isopropyl three (dioctylphyrophosphoric acid acid amides epoxide) titanium
Acid esters；Blowing promotor is by 4 parts of cassava whole-powders, 7 parts of acetylation mono-fatty acid glycerides, 1.5 parts of sodium alginate sulphur by weight
Acid esters forms.
The preparation method of above-mentioned High-molecular flame-retardant foam material, comprises the following steps：
(1) all raw materials are got out by weight；
(2) fire retardant is mixed with retardant synergist, 40min is stirred under the rotating speed of 250r/min using mixer, so
After be heated to 45 DEG C insulation stand 6 it is small when, obtain fire-retardant raw material A；
(3) foaming agent is mixed with blowing promotor, adding a certain amount of water makes foaming agent and blowing promotor complete wetting, adopts
30min is stirred under the rotating speed of 150r/min with mixer, the powder that particle diameter is 20-50 mesh then is made with comminutor, must send out
Steep raw material B；
(4) by polyvinyl chloride, vinyl acetate content be 18% EVA particles, precipitated calcium carbonate in high-speed mixer with
The rotating speed of 1200r/min mixes 12 minutes, then adds silicone oil, crosslinking agent, blowing promotor and mixes 12 with the rotating speed of 350r/min
Minute, the fire-retardant raw material A, foaming raw material B are added after then heating to 90-95 DEG C, is melted after mixing in double screw extruder
Melt extrusion；The rotating speed of double screw extruder is 300rpm/min, and one section of temperature is 70-80 DEG C, and two sections of temperature are 140-165 DEG C,
Three sections of temperature are 180-190 DEG C, and four sections of temperature are 170-180 DEG C, and five sections of temperature are 160-170 DEG C, finally obtain macromolecule resistance
Fire expanded material.
Embodiment 3
A kind of High-molecular flame-retardant foam material, mainly made of the raw material of following parts by weight：128 parts of polyvinyl chloride,
Vinyl acetate content is 22% 25 parts of EVA particles, and 80 parts of precipitated calcium carbonate, foaming agent is to 10 parts of azodicarbonamide, silicone oil 6
Part, 20 parts of fire retardant magnalium laminar double-metal hydroxide, 5 parts of retardant synergist, 2 parts of phthalic acid di-allyl ester, foaming helps
5 parts of agent；Retardant synergist is that weight ratio is 4:1 graphene and isopropyl three (dioctylphyrophosphoric acid acid amides epoxide) titanate esters；
Blowing promotor is by 5 parts of cassava whole-powders, 9 parts of acetylation mono-fatty acid glycerides, 2 parts of sodium alginate sulfuric ester groups by weight
Into.
The preparation method of above-mentioned High-molecular flame-retardant foam material, comprises the following steps：
(1) all raw materials are got out by weight；
(2) fire retardant is mixed with retardant synergist, 30min is stirred under the rotating speed of 300r/min using mixer, so
After be heated to 50 DEG C insulation stand 5 it is small when, obtain fire-retardant raw material A；
(3) foaming agent is mixed with blowing promotor, adding a certain amount of water makes foaming agent and blowing promotor complete wetting, adopts
20min is stirred under the rotating speed of 200r/min with mixer, the powder that particle diameter is 20-50 mesh then is made with comminutor, must send out
Steep raw material B；
(4) by polyvinyl chloride, vinyl acetate content be 22% EVA particles, precipitated calcium carbonate in high-speed mixer with
The rotating speed of 1200r/min mixes 10 minutes, then adds silicone oil, crosslinking agent, blowing promotor and mixes 10 with the rotating speed of 400r/min
Minute, the fire-retardant raw material A, foaming raw material B are added after then heating to 85-95 DEG C, is melted after mixing in double screw extruder
Melt extrusion；The rotating speed of double screw extruder is 300rpm/min, and one section of temperature is 70-80 DEG C, and two sections of temperature are 140-165 DEG C,
Three sections of temperature are 180-190 DEG C, and four sections of temperature are 170-180 DEG C, and five sections of temperature are 160-170 DEG C, finally obtain macromolecule resistance
Fire expanded material.
Comparative example 1
The difference of this comparative example and embodiment 2 is, is not added with blowing promotor.
Comparative example 2
The difference of this comparative example and embodiment 2 is, is not added with retardant synergist.
Comparative example 3
The difference of this comparative example and embodiment 2 is, three (dioctylphyrophosphoric acid of isopropyl is free of in retardant synergist
Acid amides epoxide) titanate esters.
Gained High-molecular flame-retardant foam material is prepared to above-described embodiment 1-3 and comparative example 1-3 and carries out anti-flammability, insulation
Property, impact resistance and apparent and abscess situation are tested, and the results are shown in Table 1.
1 the performance test results of table
As can be seen from the above table, the expanded material that prepared by embodiment 1-3 has preferable foaming effect, and material abscess is fine and close
Homogeneous, surfacing is smooth, from thermal conductivity factor as can be seen that its heat-insulating property is more preferable；And due to the addition of suitable fire-retardant increasing
Agent is imitated, it is more preferable to can be seen that its fire resistance from the data of flame out time, limited oxygen index.Due to not adding in comparative example 1
Add blowing promotor, cell diameter heterogeneity and abscess is loose, material surface is not smooth enough, makes its heat-insulating property and shock resistance
It is bad；Comparative example 2 and 3 is not added with or only adds a part due to retardant synergist, it is impossible to plays good flame retardant effect.
Described above is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, equal change or the modification change completed under the technical spirit suggested by all present invention, should all belong to
Cover the scope of the claims in the present invention.
Claims (6)
1. a kind of High-molecular flame-retardant foam material, it is characterised in that mainly made of the raw material of following parts by weight：Polychlorostyrene second
103-128 parts of alkene, vinyl acetate content be 15%-22% 15-25 parts of EVA particles, 65-80 parts of precipitated calcium carbonate, foaming agent
6-10 parts, 4-6 parts of silicone oil, 15-20 parts of fire retardant, 3-5 parts of retardant synergist, 1-2 parts of crosslinking agent, 3-5 parts of blowing promotor；It is described
Fire retardant is layered double hydroxide, and the retardant synergist is that weight ratio is 3-4:1 graphene and isopropyl three (two
Octyl group pyrophosphoric acid acid amides epoxide) titanate esters.
2. High-molecular flame-retardant foam material according to claim 1, it is characterised in that：The foaming agent is to azo diformazan
Acid amides.
3. High-molecular flame-retardant foam material according to claim 1, it is characterised in that：The blowing promotor is by weight
It is made of 3-5 parts of cassava whole-powders, 6-9 parts of acetylation mono-fatty acid glycerides, 1-2 parts of sodium alginate sulfuric esters.
4. High-molecular flame-retardant foam material according to claim 1, it is characterised in that：The fire retardant is double for magnalium laminar
Metal hydroxides.
5. High-molecular flame-retardant foam material according to claim 1, it is characterised in that：The crosslinking agent is phthalic acid two
Allyl fat.
6. the preparation method of the High-molecular flame-retardant foam material according to any one of claim 1-5, it is characterised in that bag
Include following steps：
(1) all raw materials are got out by weight；
(2) fire retardant is mixed with retardant synergist, 30-60min is stirred under the rotating speed of 200-300r/min using mixer,
Be then heated to 40-50 DEG C insulation stand 5-8 it is small when, obtain fire-retardant raw material A；
(3) foaming agent is mixed with blowing promotor, adding a certain amount of water makes foaming agent and blowing promotor complete wetting, using stirring
Mix machine and 20-35min is stirred under the rotating speed of 100-200r/min, the powder that particle diameter is 20-50 mesh then is made with comminutor, obtains
Foaming raw material B；
(4) by polyvinyl chloride, vinyl acetate content be the EVA particles of 15%-22%, precipitated calcium carbonate in high-speed mixer with
The rotating speed mixing of 1000-1200r/min 10-15 minutes, then adds silicone oil, crosslinking agent, blowing promotor with 300-400r/min
Rotating speed mixing 10-15 minutes, the fire-retardant raw material A, foaming raw material B are added after then heating to 80-95 DEG C, double after mixing
Melting extrusion in screw extruder；The rotating speed of double screw extruder is 250-300rpm/min, and one section of temperature is 70-80 DEG C, two
Duan Wendu is 140-165 DEG C, and three sections of temperature are 180-190 DEG C, and four sections of temperature are 170-180 DEG C, and five sections of temperature are 160-170
DEG C, finally obtain High-molecular flame-retardant foam material.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108481861A (en) * | 2018-07-02 | 2018-09-04 | 兴仁县详务新型节能建材有限公司 | A kind of macromolecule sound-absorbing composite board and its manufacturing method |
| CN108822751A (en) * | 2018-06-28 | 2018-11-16 | 芜湖市棠华建材科技有限公司 | Refractory seals adhesive tape |
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| CN108822751A (en) * | 2018-06-28 | 2018-11-16 | 芜湖市棠华建材科技有限公司 | Refractory seals adhesive tape |
| CN108481861A (en) * | 2018-07-02 | 2018-09-04 | 兴仁县详务新型节能建材有限公司 | A kind of macromolecule sound-absorbing composite board and its manufacturing method |
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