CN107501773A - The preparation method and the application in polystyrene thermal insulation plate of a kind of Novel adhesive and fire retardant - Google Patents
The preparation method and the application in polystyrene thermal insulation plate of a kind of Novel adhesive and fire retardant Download PDFInfo
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- CN107501773A CN107501773A CN201710759862.6A CN201710759862A CN107501773A CN 107501773 A CN107501773 A CN 107501773A CN 201710759862 A CN201710759862 A CN 201710759862A CN 107501773 A CN107501773 A CN 107501773A
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- Prior art keywords
- fire retardant
- polystyrene
- thermal insulation
- adhesive
- insulation plate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions 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 an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of polystyrene thermal insulation plate binding agent and fire retardant.Include the formula of following novel binders：Ludox 35 45, EVA emulsions 25 35, SBR emulsion 15 25, PVA5 10.The formula of fire retardant：Mg（OH）230 40, chemical compounding fire retardant APP4 6, PER2 3, Mel2 3.Polystyrene thermal insulation plate of the present invention has excellent fire resistance, meanwhile, stretch capability is strong, is advantageous to environmentally friendly, cost-effective, convenient construction.
Description
Technical field
The present invention relates to adhesive and technical field of flame retardant, further relates to its preparation method and its in polystyrene thermal insulation plate
In application.
Background technology
With the development and the improvement of people's living standards of architectural ornament market, the positive variation hair of external-wall heat-insulation material
Exhibition.Polystyrene thermal insulation plate is protected to constructure body structure, extends Building life cycle.Because external thermal insulation is by heat-insulation layer
It is placed on the outside of structure, which reduces because temperature change structure is deformed to pressure caused by wall, and reduce harmful substance in air
Structure is corroded with ultraviolet, is improved wall tide tender feeling condition；By plurality of advantages, polystyrene thermal insulation plate captures rapidly
The half of the country in exterior-wall heat insulation market.
Polystyrene foam is a kind of nonpolar light material, uses it as main lightweight aggregate and prepares polystyrene heat-preservation
During plate, if direct mix, nonwetting between granules of polystyrene, not affinity, constructional difficulties and heat-insulating property is caused not to reach
It is required that.In order to improve the wetting affinity between polystyrene foam particles, PS particle surfaces must be just modified.The present invention
PS particle surfaces are modified using macromolecular adhesive, the construction difficulty or ease of analysis binding agent kind and volume to PS warming plates
With the influence of bonding and mechanical property.
Ordinary polystyrene foam heat-insulating board has excellent performance, but easily burns, and the behind of large-scale use certainly will
Under cover huge disaster hidden-trouble.Carried out it is therefore desirable to the combustion mechanism to polystyrene and fire risk deep
Solution.It is typically that large area uses when polystyrene is as wall heat insulation material, especially skyscraper and groups of building, it is easy to shape
The space continuous and relatively closed into one.At this moment, the naked light of optional position is all easy to trigger the rapid sprawling of the intensity of a fire, flame
Spread rapidly upwards along wall, the drop of melting of generation makes the bottom intensity of a fire also constantly expand;And black smoke and poison gas in combustion process
Putting out a fire to save life and property for fire and withdrawing for personnel are then greatly interfered with.In recent years, the calamity triggered by wall heat insulation material can be found everywhere, and
Substantial amounts of economic loss and casualties are thereby resulted in.Therefore, addition or PS insulation plate surface coatings inside PS warming plates
Flame retarding agents or other incombustibles, it is on fire to make to prevent that polystyrene thermal insulation plate from meeting burning things which may cause a fire disaster at normal atmospheric pressure, delays to fire
Burning withdraws burning things which may cause a fire disaster, the burning of PS warming plates or then easily stopping of glowing.
Adhesive is added into PS particles herein, the mechanical property of polystyrene thermal insulation plate is met national standard；And add
A kind of fire retardant, the use of this fire retardant can make the less poisonous or corrosive gas of burning release, good flame retardation effect,
Meet the research and development direction of following fire retardant, prospect is very wide.
The content of the invention
In order to solve polystyrene thermal insulation plate incident plate body problem of Cracking in application process, the invention provides one
The kind Ludox type adhesive that bond effect is good, addition is few.In order to solve the problems, such as that polystyrene thermal insulation plate easily burns, this
Invention provides a kind of composite fire retardant.Present invention also offers the system of the Ludox type binding agent and composite fire retardant
Preparation Method.
What the present invention was obtained through the following steps：
It is formulated and is：The formula of the Novel adhesive of Ludox 42：Ludox 35-45, EVA emulsion 25-35, SBR emulsion 15-25,
PVA5-10.The formula of fire retardant：Mg(OH)230-40, chemical compounding fire retardant APP4-6, PER2-3, Mel2-3.
The heating stirrings such as PS particles, binding agent and fire retardant are carried out the series of process such as to extrude, obtain polystyrene
Warming plate.
Adhesive described further, EVA emulsions 32, SBR emulsion 18, PVA8.The formula of fire retardant：Mg(OH)240th, change
Learn compound flame retardant APP4, PER2, Mel2.
Described Ludox heats at a certain temperature, and when moisture evaporation, colloidal particle can be securely attached to thing
Body surface face, silicon oxygen bond is formed between particle and is combined, is good adhesive.The chemical formula of Ludox is mSiO2 .nH2O.
The EVA emulsions are one kind of adhesive, have good adhesion characteristic, ageing-resistant, fast light and resistance to saponification characteristic.
It is suitable as polystyrene thermal insulation plate and ceiling adhesive.
The SBR emulsion is a kind of macromolecule material that butadiene and styrene are obtained for principal monomer by copolyreaction
Material, can be directly used as adhesive.
The PVA is used to manufacture Water-soluble adhesive, there is very strong cementitiousness.
The Mg（OH）2. being the excellent fire retardant of plastics, rubber, make insulation material and manufacture the production of other magnesium salts
Product.It can be used as fire retardant or fire-retardant filler added in polystyrene, there is good fire-retardant and smoke elimination effect, addition 20-40
Part.But anionic surfactant treatment particle surface need to be used, inexpensive higher aliphatic acid alkali metal salt or alkyl sulfide can be used
The anion surfactant such as Barbiturates and sulfonation succinate, dosage are about 3%.Magnesium hydroxide is a kind of new filled-type resistance
Agent is fired, discharging with reference to water during by being thermally decomposed, absorbing substantial amounts of latent heat, to reduce synthetic material that it is filled in flame
In surface temperature, have the function that suppress polymer decompose and caused fuel gas is cooled down.Decompose generation
Magnesia is good refractory material again, can also help to improve the fire resistance of synthetic material, while the vapor of its releasing
A kind of smoke suppressant can be used as.Magnesium hydroxide is that have fire-retardant, suppression cigarette in rubber and plastic industry generally acknowledged at present, fill the excellent of triple functions
Elegant fire retardant.
Chemical compounding fire retardant described further is APP, PER, Mel.It is 2 that it, which is matched,：1：1.Greatly, from oxygen index (OI),
The group for first choosing three one-components is analyzed:Flame retardant effect individually during addition APP is best, because APP is in expandable flame retardant body
The effect of existing acid source, there is source of the gas again in system, and dehydration carbonization effect can occur for its phosphoric acid generated, metaphosphoric acid,
And ammonia caused by thermal decomposition can play diluting effect.Individually effect during addition Mel is taken second place, and Mel flame retardant effect is mainly
By dilution of the non-flammable gases of pyrolytic generation to PS top layers imflammable gas and oxygen, while a gas can be formed
Body protective layer, so still there is certain flame retardant effect.PER is higher more through based compound of carbon content, in combustion
When primarily serving the effect of carbon source, but individually adding PER, the Char Residues Structure stability formed under high temperature is poor, it is difficult to plays very
Good flame retardant effect.By three's compounding use best results.
Thickness of silica gel described further is 40%, big particle diameter high concentration basic Ludox.
Mg described further（OH）2Surface conditioning agent be lauryl sodium sulfate, silane coupler, methanol, distilled water by
According to quality proportioning 3：25-30：2-6：3-8：90 stir 8-19h at 70-90 DEG C, and vacuum filtration is multiple, is dried at 90 DEG C
12h, you can be made can on granules of polystyrene close attachment Mg（OH）2。
Embodiment
That specific implementation method of the present invention is more stated in detail below, it is therefore intended that illustrate the present invention design and
Feature, it is not intended to limit the scope of the present invention.Any equivalent change or modification in accordance with the spirit of the invention,
It should all be included within the scope of the present invention.
Implementation one
The adhesive of granules of polystyrene consisting of：Ludox 45g, EVA emulsion 25g, SBR emulsion 25g, PVA5g.
The composition of fire retardant is：Mg(OH)240g、APP4g、PER2g、Mel2g。
The Mg (OH)2It is to be handled by surface conditioning agent：Mg(OH)2, lauryl sodium sulfate, silane coupler, first
Alcohol, distilled water are according to quality proportioning 5：3：30：2：8：90 stir 15h at 80 DEG C, and vacuum filtration is multiple, is dried at 90 DEG C
12h, you can be made can on granules of polystyrene close attachment Mg (OH)2。
The fire retardant and bond granules of polystyrene adhesive and preparation method be：
(1) Ludox, EVA emulsions, SBR emulsion, PVA are put into mixer and stirred 10 minutes；
(2) by the Mg handled well (OH)2It is put into APP, PER, Mel after mixer stirs 10 minutes and adds mixing obtained by step 1
Compound；
(3) granules of polystyrene is added in the mixture obtained by step 2 and stirred 15 minutes；
(4) heated 8 minutes at 80 DEG C, water evaporation remaining below container is fallen.The 50MPa that pressurizes is placed under forcing press.Place
3h, produce the flame-retardant high-strength polystyrene thermal insulation plate.
Implementation two
The adhesive of granules of polystyrene consisting of：Ludox 35g, EVA emulsion 35g, SBR emulsion 15g, PVA10g.
The composition of fire retardant is：Mg(OH)238g、APP6g、PER3g、Mel3g。
The Mg (OH)2It is to be handled by surface conditioning agent：Mg(OH)2, lauryl sodium sulfate, silane coupler, first
Alcohol, distilled water are according to quality proportioning 5：3：25：6：3：90 stir 12h at 80 DEG C, and vacuum filtration is multiple, is dried at 90 DEG C
12h, you can be made can on granules of polystyrene close attachment Mg (OH)2。
The fire retardant and bond granules of polystyrene adhesive preparation method be：
(1) Ludox, EVA emulsions, SBR emulsion, PVA are put into mixer and stirred 15 minutes；
(2 by the Mg handled well (OH)2The mixing added after mixer stirs 15 minutes obtained by step 1 is put into APP, PER, Mel
Thing；
(3) granules of polystyrene is added in the mixture obtained by step 2 and stirred 10 minutes；
(4) heated 8 minutes at 80 DEG C, water evaporation remaining below container is fallen.The 50MPa that pressurizes is placed under forcing press.Place
3h, produce the flame-retardant high-strength polystyrene thermal insulation plate.
Implementation three：
The adhesive of granules of polystyrene consisting of：Ludox 42g, EVA emulsion 32g, SBR emulsion 18g, PVA8g.
The composition of fire retardant is：Mg(OH)235g、APP5g、PER2.5g、Mel2.5g。
The Mg (OH)2It is to be handled by surface conditioning agent：Mg(OH)2, lauryl sodium sulfate, silane coupler, first
Alcohol, distilled water are according to quality proportioning 5：3：28：4：6：90 stir 12h at 80 DEG C, and vacuum filtration is multiple, is dried at 90 DEG C
12h, you can be made can on granules of polystyrene close attachment Mg (OH)2。
The adhesive preparation method that the fire retardant bonds granules of polystyrene is：
(1) Ludox, EVA emulsions, SBR emulsion, PVA are put into mixer and stirred 12 minutes；
(2) by the Mg handled well (OH)2It is put into APP, PER, Mel after mixer stirs 12 minutes and adds mixing obtained by step 1
Compound；
(3) granules of polystyrene is added in the mixture obtained by step 2 and stirred 16 minutes；
(4) heated 8 minutes at 60-80 DEG C, water evaporation remaining below container is fallen.The 50MPa that pressurizes is placed under forcing press.Put
3h is put, produces the flame-retardant high-strength polystyrene thermal insulation plate.
Implementation four
The adhesive of granules of polystyrene consisting of：Ludox 40g, EVA emulsion 30g, SBR emulsion 20g, PVA7g.
The composition of fire retardant is：Mg(OH)230g、APP4g、PER2g、Mel2g。
The Mg (OH)2It is to be handled by surface conditioning agent：Mg(OH)2, lauryl sodium sulfate, silane coupler, first
Alcohol, distilled water are according to quality proportioning 5：3：27：5：5：90 stir 10h at 70-90 DEG C, and vacuum filtration is multiple, is done at 90 DEG C
Dry 12h, you can be made can on granules of polystyrene close attachment Mg (OH)2。
The adhesive preparation method that the fire retardant bonds granules of polystyrene is：
(1) Ludox, EVA emulsions, SBR emulsion, PVA are put into mixer and stirred 10 minutes；
(2) by the Mg handled well (OH)2It is put into APP, PER, Mel after mixer stirs 10 minutes and adds mixing obtained by step 1
Compound；
(3) granules of polystyrene is added in the mixture obtained by step 2 and stirred 15 minutes；
(4) heated 8 minutes at 60-80 DEG C, water evaporation remaining below container is fallen.The 50MPa that pressurizes is placed under forcing press.Put
3h is put, produces the flame-retardant high-strength polystyrene thermal insulation plate.
Comparison example
Granules of polystyrene, adhesive, fire retardant etc. are agitated, the technological process extrusion forming such as precompressed, hot pressing.According to standard
GB/T 2406.2-2009, prepare sample and determine its oxygen index (OI) to test fire resistance；According to standard GB/T 30803-2014
Tensile strength is determined to test its adhesive property.
Performance test
It is exactly that the product that will be obtained in implementation of the present invention is protected to polystyrene below to illustrate the actual effect of the present invention
Warm plate carries out admixture experiment, tensile property is influenceed by determining its oxygen index (OI) and testing vertical flammability, and by it, evaluation
The effect of fire retardant and adhesive.
According to GB/T 2406.2-2009《Burning behavior is determined with oxygen index method》Sample preparation and test, test are carried out to material
Performance difference is as follows
Table 1：Oxygen index (OI) is tested
| Project | Oxygen index (OI)/% |
| Embodiment 1 | 44.0 |
| Embodiment 2 | 38.0 |
| Embodiment 3 | 32.5 |
| Embodiment 4 | 30.0 |
| Comparison example | 20.9 |
As shown in Table 1, after the made fire retardant of the admixture present invention, the oxygen index (OI) of PS warming plates significantly improves, it was demonstrated that the present invention
Fire retardant effect it is fine.Acid source generates substantial amounts of non-flammable compressive gas and inorganic acid during burning, and system fusing, surface forms one
The fine and close liquid layer of layer, under molten condition, non-flammable compressive gas expands system, meanwhile, the inorganic matter and charcoal residue of formation are carbonized,
System is further expanded together, form one layer of fine and close layer of charcoal, be covered in material surface, allow material and oxygen-barrier,
Suppress the transmission of flame and heat, so as to reach fire-retardant effect.Fire retardant of the present invention has substantial amounts of carbon source and nitrogen source, is polymerizeing
When thing burns, concentrate the material group with anti-flaming function to act synergistically, lift flame retardant effect.
According to GB/T 30803-2014《Insulating product, heat-insulating material and binding agent for building and base layer dope intensity are surveyed
Examination》Sample preparation and test are carried out to material, test performance difference is as follows
Table 2：Tensile strength is tested
| Project | Stretch strong/MPa |
| Embodiment 1 | 15 |
| Embodiment 2 | 16 |
| Embodiment 3 | 20 |
| Embodiment 4 | 18 |
| Comparison example | 14 |
As shown in Table 2, after the made adhesive of the admixture present invention, the tensile strength of polystyrene thermal insulation plate significantly improves, card
Bright adhesive bond effect of the invention is fine.Ludox heats at a certain temperature, and when moisture evaporation, colloidal particle can be with
Body surface is securely attached to, forming silicon oxygen bond between particle combines, and is good adhesive.PVA is dissolved in Ludox
In water, very strong cementitiousness is shown.EVA emulsions and SBR emulsion can effectively improve the stretching of polystyrene thermal insulation plate
Intensity.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not limited by embodiment
System, it is other it is any without departing from the present invention Spirit Essences with made under principle change, modification, combine, replacement, simplification should be
Equivalence replacement mode, is included within protection scope of the present invention.
Claims (6)
1. a kind of PS warming plates adhesive,
The formula of Novel adhesive：Ludox 35-45, EVA emulsion 25-35, SBR emulsion 15-25, PVA5-10.
A kind of 2. PS warming plates fire retardant, it is characterised in that：
The formula of fire retardant：Mg（OH）230-40, chemical compounding fire retardant APP4-6, PER2-3, Mel2-3.
3. it is according to the gluing agent prescription that claim 1 is described further：Ludox 42, EVA emulsions 32, SBR emulsion 18,
PVA8。
4. according to the formula of claim 2 fire retardant described further：Mg（OH）240th, chemical compounding fire retardant APP4, PER2,
Mel2。
5. fire retardant according to claim 1, it is characterised in that the Mg（OH）2Pass through following processing：The Mg（OH）2
It is to be handled by surface conditioning agent：Mg（OH）2, lauryl sodium sulfate, silane coupler, methanol, distilled water is according to quality
Proportioning 5：3：28：4：6：90 prepare.
6. fire retardant Mg according to claim 2（OH）2, lauryl sodium sulfate, silane coupler, methanol, distilled water exists
12h is stirred at 70-90 DEG C, vacuum filtration is multiple, and 12h is dried at 90 DEG C, you being made can tighten in granules of polystyrene
The Mg of close attachment（OH）2。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710759862.6A CN107501773A (en) | 2017-08-30 | 2017-08-30 | The preparation method and the application in polystyrene thermal insulation plate of a kind of Novel adhesive and fire retardant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710759862.6A CN107501773A (en) | 2017-08-30 | 2017-08-30 | The preparation method and the application in polystyrene thermal insulation plate of a kind of Novel adhesive and fire retardant |
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| CN107501773A true CN107501773A (en) | 2017-12-22 |
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Citations (5)
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| CN102443185A (en) * | 2011-08-09 | 2012-05-09 | 四川威尔达化工有限公司 | Organic fire-proof warm-keeping particles, and preparation process and application thereof |
| CN102558914A (en) * | 2011-12-30 | 2012-07-11 | 大连亚泰科技新材料有限公司 | Surface activation modification technology for environment-friendly magnesium hydroxide flame retardant special for insulating materials |
| CN102807683A (en) * | 2011-06-03 | 2012-12-05 | 北京艾迪泰克技术咨询有限公司 | Method for preparing flame-retardant moulded anti-dripping EPS (expandable polystyrene) foam material |
| CN103923339A (en) * | 2013-09-06 | 2014-07-16 | 山东圣泉化工股份有限公司 | Flame-retardant coated-type polystyrene pre-expanded bead and its preparation method |
| CN104086913A (en) * | 2014-08-04 | 2014-10-08 | 公安部四川消防研究所 | Flame-retardant EPS (expandable polystyrene) foam thermal-insulation board and preparation method thereof |
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2017
- 2017-08-30 CN CN201710759862.6A patent/CN107501773A/en active Pending
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| CN102807683A (en) * | 2011-06-03 | 2012-12-05 | 北京艾迪泰克技术咨询有限公司 | Method for preparing flame-retardant moulded anti-dripping EPS (expandable polystyrene) foam material |
| CN102443185A (en) * | 2011-08-09 | 2012-05-09 | 四川威尔达化工有限公司 | Organic fire-proof warm-keeping particles, and preparation process and application thereof |
| CN102558914A (en) * | 2011-12-30 | 2012-07-11 | 大连亚泰科技新材料有限公司 | Surface activation modification technology for environment-friendly magnesium hydroxide flame retardant special for insulating materials |
| CN103923339A (en) * | 2013-09-06 | 2014-07-16 | 山东圣泉化工股份有限公司 | Flame-retardant coated-type polystyrene pre-expanded bead and its preparation method |
| CN104086913A (en) * | 2014-08-04 | 2014-10-08 | 公安部四川消防研究所 | Flame-retardant EPS (expandable polystyrene) foam thermal-insulation board and preparation method thereof |
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