CN111219131A - Flame-retardant warm edge spacing strip, flame-retardant composite material adopted by same and preparation method of flame-retardant warm edge spacing strip - Google Patents
Flame-retardant warm edge spacing strip, flame-retardant composite material adopted by same and preparation method of flame-retardant warm edge spacing strip Download PDFInfo
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- CN111219131A CN111219131A CN202010035762.0A CN202010035762A CN111219131A CN 111219131 A CN111219131 A CN 111219131A CN 202010035762 A CN202010035762 A CN 202010035762A CN 111219131 A CN111219131 A CN 111219131A
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 145
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 134
- 239000002131 composite material Substances 0.000 title claims abstract description 94
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 125000006850 spacer group Chemical group 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 8
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- TXQVDVNAKHFQPP-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(CO)(CO)CO TXQVDVNAKHFQPP-UHFFFAOYSA-N 0.000 claims description 4
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims description 4
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- 239000000347 magnesium hydroxide Substances 0.000 claims description 4
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 4
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Natural products C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims description 2
- 239000007822 coupling agent Substances 0.000 claims description 2
- 239000012760 heat stabilizer Substances 0.000 claims description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- 238000010792 warming Methods 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 2
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- 230000000694 effects Effects 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- 238000005452 bending Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
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- 229910052736 halogen Inorganic materials 0.000 description 4
- 150000002367 halogens Chemical class 0.000 description 4
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 description 4
- 239000006087 Silane Coupling Agent Substances 0.000 description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 2
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910000410 antimony oxide Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
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- 229910052593 corundum Inorganic materials 0.000 description 1
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- 239000011777 magnesium Substances 0.000 description 1
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- 238000007254 oxidation reaction Methods 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/663—Elements for spacing panes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
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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
- C08L73/00—Compositions of macromolecular compounds obtained by reactions forming a linkage containing oxygen or oxygen and carbon in the main chain, not provided for in groups C08L59/00 - C08L71/00; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
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- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2244—Oxides; Hydroxides of metals of zirconium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/262—Alkali metal carbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a flame-retardant warm edge spacing strip, a flame-retardant composite material adopted by the same and a preparation method of the flame-retardant warm edge spacing strip. The invention also provides a flame-retardant composite material adopted by the flame-retardant warm edge composite spacing bar and a preparation method of the material. The spacer bar not only plays a role in warming edges and saving energy in use, but also has flame-retardant and fireproof performance, presents metal texture in appearance and simultaneously supports the middle broken bridge, is concise and attractive in appearance form, and has excellent fireproof and flame-retardant performance.
Description
Technical Field
The invention belongs to the technical field of warm edge spacing bars, and relates to a flame-retardant warm edge spacing bar, a flame-retardant composite material adopted by the same and a preparation method of the flame-retardant warm edge spacing bar.
Background
With the development of material science, each material for forming the hollow glass has great development in each field, so that each property of the hollow glass is greatly changed, and the requirements of different occasions are met. In the field of hollow glass spacing bars, various countries can design and develop new varieties of various warm edge spacers according to specific use requirements. The construction department in China has also listed the hollow glass as one of the building material energy-saving products for popularization and application, which makes the development and production of the hollow glass face good development opportunities in China.
The existing hollow glass warm edge spacing strip has the property of saving energy and warming edges, has an unreasonable structure, is easy to cause the phenomenon that the spacing strip is flatly placed and sags, and does not have flame retardant property. How to increase the fire-proof and flame-retardant performance in the door and window glass link, when being attacked by external fire sources, the flame propagation can be effectively prevented or stopped, thereby achieving the flame-retardant effect. The hollow glass division bar product has the advantages that the market demand can meet the requirements of hollow glass division bars with special performances of environmental protection, energy saving, flame retardance and the like, and meanwhile, the appearance is attractive and the cost performance is high.
The existing flame retardant technology mainly adopts the addition of a flame retardant to improve the flame retardant property of a polymer composite material. The existing flame retardant mainly comprises a halogen flame retardant and a non-halogen flame retardant. The halogen flame retardant can release corrosive gas, toxic substances and a large amount of harmful smoke in the flame retardant process, and is strong in environmental protection and unfriendliness; the non-halogen flame retardant is mainly an organic phosphorus flame retardant, an inorganic flame retardant and the like. Most of the organic phosphorus flame retardants are liquid and have the defects of strong volatility, large smoke generation amount and poor stability to heat. The inorganic flame retardant comprises aluminum hydroxide, magnesium hydroxide, zinc borate, antimony oxide and the like, has the advantages of good stability, rich raw material sources and the like, but the inorganic flame retardant usually needs large filling amount and has poor compatibility with high polymer materials, so that the application of the inorganic flame retardant is limited.
Disclosure of Invention
In order to solve the technical problems, the invention provides the flame-retardant warm edge spacer, the flame-retardant performance of the warm edge spacer is optimized, the deformation and the droop of the spacer are prevented, the appearance of a product is concise and attractive, the production efficiency is high, and the product quality is stable.
In order to achieve the purpose, the invention adopts the following technical scheme: the flame-retardant warm edge spacing strip comprises a flame-retardant composite material frame body with a cross section in a shape like a Chinese character 'kou', a rectangular flame-retardant composite material reinforcing body which protrudes towards the inside of the frame body and is arranged along the length direction of the upper plate body is arranged on the lower surface of the upper plate body of the flame-retardant composite material frame body in the shape like the Chinese character 'kou', the rectangular flame-retardant composite material reinforcing body and the flame-retardant composite material frame body in the shape like the Chinese character 'kou' are integrally formed, a first stainless steel sheet and a second stainless steel sheet which are axially symmetrical are respectively arranged on the left side and the right side of the upper surface of the upper plate body of the flame-retardant composite material frame body in the shape like the Chinese character 'kou', the first stainless steel sheet and the second stainless steel sheet are both of a bending structure, the first stainless steel sheet comprises a horizontal first sheet body, the inner side end face of the first sheet is vertically bent downwards along the length direction to form a first bending sheet body, the second stainless, the first sheet body and the second sheet body are respectively bonded and fixed with the upper plate body through glue layers, and the first bent sheet body and the second bent sheet body are respectively vertically inserted into the upper plate body from the upper surface of the upper plate body, so that a bridge cut-off structure is formed on the upper plate body between the first bent sheet body and the second bent sheet body;
a third stainless steel sheet, a fourth stainless steel sheet and a fifth stainless steel sheet which are integrally formed are fixedly bonded on the outer surfaces of the left side plate, the right side plate and the lower plate of the square flame-retardant composite material frame body through glue layers, the upper end surfaces of the third stainless steel sheet and the fourth stainless steel sheet are respectively connected with the outer end surface of the first sheet body of the first stainless steel sheet and the outer end surface of the second sheet body of the second stainless steel sheet to form an integral structure, a breakpoint type vent hole is longitudinally arranged at the center of a broken bridge and vertically penetrates through the upper plate body and the rectangular flame-retardant composite material reinforcing body.
Furthermore, the height of the first bending sheet body and the height of the second bending sheet body are both 0.5-1mm, the thickness of the upper plate body of the flame-retardant composite material frame body shaped like a Chinese character kou is 1mm, the thickness of the left side plate, the thickness of the right side plate and the thickness of the lower plate body are 0.7mm, the thickness of the flame-retardant composite material reinforcing body is 0.5mm, the thickness of the glue layer is 0.002-0.05mm, and the thicknesses of the first stainless steel sheet, the second stainless steel sheet, the third stainless steel sheet, the fourth stainless steel sheet and the fifth stainless steel sheet are all 0.1mm-0.12 mm.
Further, the width of the first sheet body is equal to that of the second sheet body, and the ratio of the width of the broken bridge to the width of the first sheet body or the second sheet body is 5: 8.
The invention also provides a flame-retardant composite material adopted by the flame-retardant warm edge composite spacer, which comprises high polymer resin, a resin modifier, inorganic flame-retardant powder, a smoke suppressor, a high polymer dispersant, a plasticizer and an auxiliary agent, wherein the flame-retardant composite material comprises the following components in parts by weight: 70-120 parts of high polymer resin, 2-4 parts of resin modifier, 10-20 parts of inorganic flame retardant powder, 1-2 parts of smoke suppressor, 0.3-0.5 part of high polymer dispersant, 0.5-1 part of plasticizer and 0.3-2 parts of auxiliary agent.
Further, the polymer resin is one of PA, ABS or polyketone POK.
Further, the resin modifier is one or a mixture of two or more of glycidyl methacrylate, maleic anhydride, distearic acid amide and pentaerythritol stearate.
Further, the inorganic flame-retardant powder in the flame-retardant composite material is prepared from the following components in parts by weight:
further, the smoke suppressor is Al (OH)3、Mg(OH)2One or two of them.
Furthermore, the macromolecular dispersant selects one or two of epoxy resin modified materials and organic silicon modified epoxy resin.
Further, the plasticizer comprises one or a mixture of two or more of dibutyl phthalate, diisobutyl phthalate and phosphate plasticizers.
Further, the auxiliary agent comprises one or a mixture of two or more of a heat stabilizer, an anti-aging agent and a coupling agent.
A method of making the flame retardant composite, the method comprising:
step one, preparing inorganic flame retardant powder: weighing the components of the inorganic flame-retardant powder according to the proportion except B2O6Zn3Putting the other components into a high-temperature converter, heating to 1200-1300 ℃, sintering and melting for 1-2 hours, preserving heat for 30 minutes, and putting the liquid melt into cold water for quenching to obtain a crushed glass body;
grinding the glass body, adding a polymer dispersant into a superfine grinding machine while grinding according to a ratio, and grinding to obtain powder of 5-15 microns;
step three, mixing the powder prepared in the step two and B according to the proportion2O6Zn3The smoke suppressor is put into a stirrer and evenly mixed to obtain a composite flame-retardant mixture;
and step four, taking the high polymer resin, the resin modifier, the plasticizer, the composite flame-retardant mixture prepared in the step three and the auxiliary agent according to the proportion through an automatic mixing and batching system, adding the mixture into a mixer, uniformly mixing, and then sending the mixture into a double-screw extruder for extrusion molding to prepare the flame-retardant composite material section.
In the inorganic flame-retardant powder B of the invention2O6Zn3The zinc borate is an extremely small platelet, has high activity, belongs to an inorganic flame retardant, and in the combustion process, when the actual application temperature reaches 300 ℃, the zinc borate is thermally decomposed to release crystal water, thereby playing a role in absorbing heat and cooling and diluting oxygen in air. On the other hand, decomposition at high temperature to form B2O3The coating layer is formed on the surface of the polymer, and can inhibit the generation of combustible gas, prevent oxidation reaction and thermal decomposition, promote carbonization and thus has flame retarding effect. Inorganic silicon-aluminum mixture (SiO) in inorganic flame-retardant powder2And Al2O3The mixture of the two components) can form a thin glass shell on the surface of the polymer when the actual use temperature reaches 600-800 ℃, and the glass shell and zinc borate are densely distributed on the surface of the polymer to achieve an isolation effect, so that the flame retardant effect is achieved. The calcium carbonate in the inorganic flame-retardant powder has higher melting point and hardness, smaller thermal expansion coefficient and higher thermal stability, can be used as a filler to increase the strength of a polymer, and has better flame-retardant effect. When the actual use temperature is higher than 800 ℃, the calcium carbonate is easily decomposed into carbon dioxide and calcium oxide, and the generated carbon dioxide has the function of extinguishing fire. Meanwhile, calcium carbonate is decomposed, and a shell similar to a glass shell is continuously formed on the surface of the polymer, so that air is isolated, and the flame retardant effect is exerted at a high-temperature section. The components of the inorganic flame-retardant powder play roles at different temperatures, and the synergistic cooperation of the components ensures the flame-retardant property of the flame-retardant composite material.
Smoke suppressor Al (OH)3、Mg(OH)2The flame retardant also belongs to a flame retardant, and has better smoke suppression and smoke elimination performances.
The polymer dispersant can make the inorganic flame retardant powder uniformly distributed in the composite material and tightly combined with other substances in the composite material, thereby improving the structural performance of the product.
Compared with the prior art, the invention has the following beneficial effects:
the spacer bar not only plays a role in warming edges and saving energy in use, but also has flame-retardant and fireproof performance, presents metal texture in appearance and simultaneously supports the middle broken bridge, and is simple and attractive in appearance. The flame-retardant composite material section and the molded steel sheet are molded in one step on line, so that the production efficiency is high, the rejection rate is low, and the product quality is stable; the warm edge spacer has the advantages of stable structure, good air tightness and water tightness of the spacer, obvious heat insulation and energy saving effects and excellent fireproof and flame retardant properties.
1. Adopt fire-retardant combined material framework to cover stainless steel construction outward to inside first lamellar body and the second of buckling on the fire-retardant combined framework upper plate body inserted the upper plate body from the upper surface of upper plate body perpendicularly respectively, make the upper plate body between first lamellar body and the second of buckling form the bridge cut-off structure, strengthened the structural strength of parting bead, can not appear keeping flat flagging problem in production.
2. A bridge-cut structure is formed between the upper plate body of the square flame-retardant composite material frame body and the first stainless steel sheet and the second stainless steel sheet, so that the heat transfer coefficient of the parting strip is reduced, and the square flame-retardant composite material frame is a real warm-edge parting strip.
3. The flame-retardant composite material is used as the main body in the spacing bar, and the added inorganic flame-retardant powder not only has the flame-retardant characteristic, but also does not delay combustion and does not drip.
4. The partition stainless steel sheet and the flame-retardant composite material frame body are formed into the flame-retardant warm edge partition on line in one step, so that the production efficiency is high, the appearance of the product is attractive, and the structure is reasonable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of FIG. 1;
in the figure: 1-square flame-retardant composite material frame; 1-1-upper plate body; 1-2-left side panel; 1-3-right side plate; 1-4-lower plate body; 2-a rectangular flame-retardant composite reinforcement; 3-a first stainless steel sheet; 3-1-a first tablet; 3-2-a first bent sheet body; 4-a second stainless steel sheet; 4-1-a second tablet; 4-2-a second bent sheet body; 5-breaking the bridge; 6-third stainless steel sheet; 7-fourth stainless steel sheet; 8-fifth stainless steel sheet; 10-glue layer;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-2, a flame-retardant warm edge spacer for hollow glass comprises a flame-retardant composite frame body with a cross section in a shape of Chinese character kou, a rectangular flame-retardant composite reinforcement body 2 protruding towards the inside of the frame body and arranged along the length direction of an upper plate body 1-1 is arranged on the lower surface of the upper plate body 1-1 of the flame-retardant composite frame body 1 in the shape of Chinese character kou, the axial length of the rectangular flame-retardant composite reinforcement body 2 is equal to that of the flame-retardant composite frame body 1 in the shape of Chinese character kou, the rectangular flame-retardant composite reinforcement body 2 and the flame-retardant composite frame body 1 in the shape of Chinese character kou are integrally formed, a first stainless steel sheet 3 and a second stainless steel sheet 4 which are axially symmetrical are respectively arranged on the left side and the right side of the upper surface of the upper plate body 1-1 of the flame-retardant composite frame body 1 in the shape of Chinese character kou, the first stainless steel sheet 3 and the second stainless steel sheet, the first stainless steel sheet 3 comprises a horizontal first sheet body 3-1, the end surface of the inner side of the first sheet body 3-1 is vertically bent downwards along the length direction to form a first bent sheet body 3-2, the second stainless steel sheet 4 comprises a horizontal second sheet body 4-1, the end surface of the inner side of the second sheet body 4-1 is vertically bent downwards along the length direction to form a second bent sheet body 4-2, the first sheet body 3-1 and the second sheet body 4-1 are respectively bonded and fixed with the upper plate body 1-1 through an adhesive layer 10, and the first bent sheet body 3-2 and the second bent sheet body 4-2 are respectively vertically inserted into the upper plate body 1-1 from the upper surface of the upper plate body 1-1, so that the upper plate body 1-1 between the first bent sheet body 3-2 and the second bent sheet body 4-2 forms a bridge-cut 5 structure;
a third stainless steel sheet 6, a fourth stainless steel sheet 7 and a fifth stainless steel sheet which are integrally formed are fixedly bonded on the outer surfaces of a left side plate 1-2, a right side plate 1-3 and a lower plate body 1-4 of a square flame-retardant composite material frame body 1 through an adhesive layer 10, the upper end surfaces of the third stainless steel sheet 6 and the fourth stainless steel sheet 7 are respectively connected with the outer end surface of a first sheet body 3-1 of the first stainless steel sheet 3 and the outer end surface of a second sheet body 4-1 of the second stainless steel sheet 4 to form an integral structure, a breakpoint type vent hole 9 is longitudinally arranged in the center of a broken bridge 5, and the vent hole 9 vertically penetrates through the upper plate body 1-1 and the rectangular flame-retardant composite material reinforcing body 2.
The height of the first bending sheet body 3-2 and the height of the second bending sheet body 4-2 are both 0.5-1mm, the thickness of an upper plate body 1-1 of the flame-retardant composite material frame body 1 shaped like a Chinese character kou is 1mm, the thickness of a left side plate 1-2, the thickness of a right side plate 1-3 and the thickness of a lower plate body 1-4 are 0.7mm, the thickness of the flame-retardant composite material reinforcing body 2 is 0.5mm, the thickness of a glue layer 10 is 0.002-0.05mm, and the thickness of the first stainless steel sheet 3, the thickness of the second stainless steel sheet 4, the thickness of the third stainless steel sheet 6, the thickness of the fourth stainless steel sheet 7 and the thickness of the fifth stainless steel sheet 8 are all 0.1mm-0.12 mm.
The first sheet body 3-1 and the second sheet body 4-1 are equal in width, and the ratio of the width of the bridge cut-off 5 to the width of the first sheet body 3-1 or the second sheet body is 5: 8.
The width of the reinforcing body 2 is larger than that of the broken bridge 5 and smaller than that of the upper plate body 1-1.
The invention also provides a flame-retardant composite material adopted by the flame-retardant warm edge composite spacing strip, which comprises high polymer resin, a resin modifier, inorganic flame-retardant powder, a smoke suppressor, a high polymer dispersant, a plasticizer and an auxiliary agent, wherein the high polymer resin is PA, the resin modifier is bis stearamide, and the smoke suppressor is Al (OH)3The plasticizer is dibutyl phthalate;
the components are composed of the following components in parts by weight:
the macromolecular dispersant in the flame-retardant composite material is organic silicon modified epoxy resin.
The auxiliary agent is a silane coupling agent KH550 and a UV anti-aging agent.
The inorganic flame-retardant powder in the flame-retardant composite material comprises the following components in parts by weight:
a method of making the flame retardant composite, the method comprising:
step one, preparing inorganic flame retardant powder: weighing the components of the inorganic flame-retardant powder according to the proportion except B2O6Zn3Putting the other components into a high-temperature converter, heating to 1200 ℃, sintering and melting for 1 hour, preserving heat for 30 minutes, and putting the liquid melt into cold water for quenching to obtain a crushed glass body;
grinding the glass body, adding the polymer dispersant into an ultrafine grinding machine while grinding according to the proportion, and grinding the mixture to 5 mu m powder;
step three, mixing the powder prepared in the step two and B according to the proportion2O6Zn3The smoke suppressor is put into a stirrer and evenly mixed to obtain a composite flame-retardant mixture;
and step four, taking the high polymer resin, the resin modifier, the plasticizer, the composite flame-retardant mixture prepared in the step three and the auxiliary agent according to the proportion through an automatic mixing and batching system, adding the mixture into a mixer, uniformly mixing, and then sending the mixture into a double-screw extruder for extrusion molding to prepare the flame-retardant composite material section.
The flame-retardant composite material section is adopted to prepare the flame-retardant warm edge spacing bars, 10 flame-retardant warm edge spacing bars prepared by the invention are taken for horizontal droop test, 15 hollow glass blocks are prepared by the flame-retardant spacing bars, the performances of the 15 hollow glass blocks are respectively tested, and the results are shown in table 1:
TABLE 1 insulating glass Performance test results
Example 2
The difference from the embodiment 1 is that,
the flame-retardant composite material adopted by the flame-retardant warm edge composite spacing strip comprises polymer resin, a resin modifier, inorganic flame-retardant powder, a smoke suppressor, a polymer dispersant, a plasticizer and an auxiliary agent, wherein the polymer resin is a polymer resinThe resin is ABS, the resin modifier is pentaerythritol stearate, and the smoke suppressor is Al (OH)3The plasticizer is dibutyl phthalate.
The components are composed of the following components in parts by weight:
wherein the macromolecular dispersant in the flame-retardant composite material is organic silicon modified epoxy resin.
The auxiliary agent is a silane coupling agent KH550 and a UV anti-aging agent.
The inorganic flame-retardant powder in the flame-retardant composite material comprises the following components in parts by weight:
a method of making the flame retardant composite, the method comprising:
step one, preparing inorganic flame retardant powder: weighing inorganic flame retardant powder according to the proportion except B2O6Zn3Uniformly stirring the other components, quickly putting into a high-temperature converter at 1100 ℃, heating to 1300 ℃, sintering and melting for 1.5 hours, preserving heat for 45 minutes, and putting the liquid melt into cold water for quenching to form a crushed glass body;
and step two, grinding the glass body, adding the macromolecular dispersant into an ultrafine grinding machine while grinding according to the proportion, and grinding into powder of 15 mu m.
Step three, mixing the powder prepared in the step two and B according to the proportion2O6Zn3、Al(OH)3And (4) uniformly mixing in a stirrer to obtain the composite flame-retardant mixture.
And step four, taking the ABS resin, pentaerythritol stearate, the plasticizer, the composite flame-retardant mixture prepared in the step three and the auxiliary agent according to the proportion through an automatic mixing and batching system, adding the mixture into a mixer, uniformly mixing, and then sending the mixture into a double-screw extruder for extrusion molding to prepare the flame-retardant composite material section.
Adopt above-mentioned fire-retardant combined material section bar to make fire-retardant warm limit space bar, take 10 this fire-retardant warm limit space bars and carry out the horizontal flagging test to with 15 pieces of cavity glass of this fire-retardant space bar preparation, test its performance, the result is shown in table 2:
TABLE 2 insulating glass Performance test results
Example 3
The difference from the embodiment 1 is that,
the polymer resin is polyketone POK, the resin modifier is glycidyl methacrylate, the plasticizer is diisobutyl phthalate, and the smoke suppressor is Mg (OH)2。
The flame-retardant composite material comprises the following raw materials in parts by weight:
wherein the macromolecular dispersant in the flame-retardant composite material is organic silicon modified epoxy resin.
The auxiliary agent is a silane coupling agent KH550 and a UV anti-aging agent.
The inorganic flame-retardant powder in the flame-retardant composite material comprises the following components in parts by weight:
a method of making the flame retardant composite, the method comprising:
step one, preparing inorganic flame retardant powder: weighing the components of inorganic silicon-aluminum according to the proportion except B2O6Zn3The other components are stirred evenly and then put into a high-temperature converter at 1100 DEG CHeating to 1300 ℃, sintering and melting for 2 hours, keeping the temperature for 45 minutes, and putting the liquid melt into cold water for quenching to form a crushed glass body.
And step two, grinding the glass body, adding the high molecular dispersing agent into an ultrafine grinding machine while grinding according to the proportion, and grinding into powder of 10 mu m.
Step three, mixing the powder prepared in the step two and B according to the proportion2O6Zn3、Al(OH)3And (4) uniformly mixing in a stirrer to obtain the composite flame-retardant mixture.
And step four, taking the polyketone POK, the glycidyl methacrylate and the composite flame-retardant mixture and the auxiliary agent prepared in the step three according to the proportion by an automatic mixing and batching system, adding the mixture into a mixer, uniformly mixing, and then sending the mixture into a double-screw extruder for extrusion molding to prepare the flame-retardant composite material section.
Adopt above-mentioned fire-retardant combined material section bar to make fire-retardant warm limit space bar, take 10 this fire-retardant warm limit space bars and carry out the horizontal flagging test to with 15 pieces of cavity glass of this fire-retardant space bar preparation, test its performance, the result is shown in table 3:
TABLE 3 insulating glass Performance test results
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (7)
1. The flame-retardant warm edge spacing strip is characterized by comprising a flame-retardant composite material frame body with a cross section in a shape like a Chinese character kou, wherein a rectangular flame-retardant composite material reinforcing body which protrudes towards the inside of the frame body and is arranged along the length direction of the upper plate body is arranged on the lower surface of the upper plate body of the flame-retardant composite material frame body in the shape like the Chinese character kou, the rectangular flame-retardant composite material reinforcing body and the flame-retardant composite material frame body in the shape like the Chinese character kou are integrally formed, a first stainless steel sheet and a second stainless steel sheet which are axially symmetrical are respectively arranged on the left side and the right side of the upper surface of the upper plate body of the flame-retardant composite material frame body in the shape like the Chinese character kou, the first stainless steel sheet and the second stainless steel sheet are both of a bent structure, the first stainless steel sheet comprises a horizontal first sheet body, the inner side end surface of the first sheet is vertically bent downwards along the, the inner side end face of the second sheet body is vertically bent downwards along the length direction to form a second bent sheet body, the first sheet body and the second sheet body are respectively bonded and fixed with the upper plate body through glue layers, and the first bent sheet body and the second bent sheet body are respectively vertically inserted into the upper plate body from the upper surface of the upper plate body, so that the upper plate body between the first bent sheet body and the second bent sheet body forms a bridge cut-off structure;
a third stainless steel sheet, a fourth stainless steel sheet and a fifth stainless steel sheet which are integrally formed are fixedly bonded on the outer surfaces of the left side plate, the right side plate and the lower plate of the square flame-retardant composite material frame body through glue layers, the upper end surfaces of the third stainless steel sheet and the fourth stainless steel sheet are respectively connected with the outer end surface of the first sheet body of the first stainless steel sheet and the outer end surface of the second sheet body of the second stainless steel sheet to form an integral structure, a breakpoint type vent hole is longitudinally arranged at the center of a broken bridge and vertically penetrates through the upper plate body and the rectangular flame-retardant composite material reinforcing body.
2. The flame-retardant warm edge spacer as claimed in claim 1, wherein the first and second bent pieces are each 0.5-1mm in height, the upper plate body of the "square" shaped flame-retardant composite frame body is 1mm in thickness, the left, right and lower plate bodies are 0.7mm in thickness, the flame-retardant composite reinforcement body is 0.5mm in thickness, the glue layer is 0.002-0.05mm in thickness, and the first, second, third, fourth and fifth stainless steel pieces are each 0.1-0.12 mm in thickness.
3. The flame retardant warm edge spacer bar of claim 1 wherein the first and second panels are of equal width and the ratio of the width of the bridge cut-off to the width of the first or second panel is 5: 8.
4. The flame-retardant composite material adopted by the flame-retardant warm edge composite spacer as claimed in claim 1, 2 or 3, wherein the flame-retardant composite material comprises a polymer resin, a resin modifier, inorganic flame-retardant powder, a smoke suppressor, a polymer dispersant, a plasticizer and an auxiliary agent, and the flame-retardant composite material comprises the following components in parts by weight: 70-120 parts of high polymer resin, 2-4 parts of resin modifier, 10-20 parts of inorganic flame retardant powder, 1-2 parts of smoke suppressor, 0.3-0.5 part of high polymer dispersant, 0.5-1 part of plasticizer and 0.3-2 parts of auxiliary agent.
5. The flame-retardant composite material for the flame-retardant warm-edge composite spacer as claimed in claim 4, wherein the polymer resin is one of PA, ABS or polyketone POK;
the resin modifier is one or a mixture of two or more of glycidyl methacrylate, maleic anhydride, distearic acid amide and pentaerythritol stearate;
the smoke suppressor is Al (OH)3、Mg(OH)2One or two of them;
the macromolecular dispersant selects one or two of epoxy resin modified materials and organic silicon modified epoxy resin;
the plasticizer comprises one or a mixture of two or more of dibutyl phthalate, diisobutyl phthalate and phosphate plasticizers;
the auxiliary agent comprises one or a mixture of two or more of a heat stabilizer, an anti-aging agent and a coupling agent.
6. The flame-retardant composite material adopted by the flame-retardant warm edge composite spacer as claimed in claim 4, wherein the inorganic flame-retardant powder in the flame-retardant composite material is prepared from the following components in parts by weight:
7. a method of preparing the flame retardant composite of claim 4 or 5 or 6, the method comprising:
step one, preparing inorganic flame retardant powder: weighing the components of the inorganic flame-retardant powder according to the proportion except B2O6Zn3Putting the other components into a high-temperature converter, heating to 1200-1300 ℃, sintering and melting for 1-2 hours, preserving heat for 30 minutes, and putting the liquid melt into cold water for quenching to obtain a crushed glass body;
grinding the glass body, adding a polymer dispersant into a superfine grinding machine while grinding according to a ratio, and grinding to obtain powder of 5-15 microns;
step three, mixing the powder prepared in the step two and B according to the proportion2O6Zn3The smoke suppressor is put into a stirrer and evenly mixed to obtain a composite flame-retardant mixture;
and step four, taking the high polymer resin, the resin modifier, the plasticizer, the composite flame-retardant mixture prepared in the step three and the auxiliary agent according to the proportion through an automatic mixing and batching system, adding the mixture into a mixer, uniformly mixing, and then sending the mixture into a double-screw extruder for extrusion molding to prepare the flame-retardant composite material section.
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Application publication date: 20200602 |