CN102010671B - High-temperature resisting inorganic adhesive specially used for bonding pearlite fireproof plate with steel plate - Google Patents
High-temperature resisting inorganic adhesive specially used for bonding pearlite fireproof plate with steel plate Download PDFInfo
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- CN102010671B CN102010671B CN2010102785747A CN201010278574A CN102010671B CN 102010671 B CN102010671 B CN 102010671B CN 2010102785747 A CN2010102785747 A CN 2010102785747A CN 201010278574 A CN201010278574 A CN 201010278574A CN 102010671 B CN102010671 B CN 102010671B
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Abstract
The invention belongs to the field of high-temperature adhesives. A high-temperature resisting inorganic adhesive specially used for bonding a pearlite fireproof plate with a steel plate mainly comprises the following components in percent by weight: 30-70 percent of base glue, 5-20 percent of curing agent and 25-50 percent of filling material, wherein the base flue is a mixture of aluminium dihydrogen phosphate and sodium silicate with modulus of not less than 3.3; the curing agent is boric acid or zinc oxide or magnesium oxide; and the filling material is one or a mixture of potassium titanate fiber or silicide or aluminum oxide. Compared with the prior art, the high-temperature resisting inorganic adhesive has the advantages of high temperature resistance, high bonding strength, single component, convenience for use, and the like, does not contain volatile organic compounds, and can resist the high temperature of 1,100 DEG C.
Description
Technical field
The invention belongs to the high-temperature resistance adhesive field.
Background technology
Fire door is very extensive with the application in covil construction in industry.Need to use in a large number fire-proof board and fill the part of Steel Plate Door hollow when manufacturing fire door, fire-proof board is generally to be formed by the perlite compacting.The manufacture process requirement of fire door is PLASTIC LAMINATED and steel plate bonding.Stick steel plate tackiness agent used should have bonding firmly, the performances such as quick solidifying, high temperature resistant, water-fast, non-volatility organic compound (VOC) release.Most domestic PLASTIC LAMINATED manufacturing enterprise all adopts the tackiness agents such as white glue with vinyl, two-component polyurethane adhesive or solvent-borne type organic gel at present.Although these tackiness agent cohesive strengths are higher, can not meet above-mentioned other performance requriementss, particularly existing the defect that is difficult to overcome aspect high temperature resistant and environmental protection.
Summary of the invention
The present invention is directed to above problem and provided a kind of perlite fireproof plate and the steel plate special-purpose high temperature inorganic adhesive that bonds.
A kind of perlite fireproof plate and the steel plate special-purpose high temperature inorganic adhesive that bonds, is characterized in that, mainly the one-tenth by following weight ratio is grouped into: 30%～70% base glue, 5%～20% solidifying agent, 25%～50% filler; Described base glue is the mixture that aluminium dihydrogen phosphate and modulus are more than or equal to 3.3 water glass; Described solidifying agent is boric acid or zinc oxide, magnesium oxide; Described filler is a kind of or mixture of potassium titanate fiber or silicide or aluminum oxide.
Described base glue mesosilicic acid sodium accounts for base glue weight ratio 37.5～60%.
Described potassium titanate fiber accounts for 5% of gross weight and shrinks to reduce, and increases toughness.
Described silicide refers to wollastonite powder or mullite powder or flint clay powder or quartz powder.
Described base glue ratio is preferably 30%～60%; The solidifying agent ratio is preferably 10%～20%; Proportion of filler is preferably 30%～50%.
The first composition is base glue, and base glue claims again binder, is the key component of tackiness agent, main bonding and the filming function of rising.Base glue is in a liquid state or colloidal state usually, can stable for extended periods of time.Base glue of the present invention has following characteristics: under (1) room temperature, can be dissolved in water and the energy stable for extended periods of time, precipitation generates; (2) by evaporation of water, solidifying agent or be solidified into high molecular polymer by heating means; (3) high molecular polymer after solidifying has the physicalies such as good cohesiveness, thermotolerance, water tolerance.
The second composition is solidifying agent.Solidifying agent claims again stiffening agent, can with base glue generation chemical reaction, promote base glue and filler to react, make tackiness agent become linear structure by monomer, or become three dimensional structure by linear structure.Have the effect that improves tackiness agent water tolerance, flexibility or other performance concurrently.With boric acid, the oxide compound of magnesium, zinc or oxyhydroxide are solidifying agent, can prepare the good tackiness agent of water tolerance.Due to the kind difference of metal, so the solidifying agent activity is also variant.Zinc oxide, MgO activity are stronger, the boric acid activity a little less than, can select as required suitable active as solidifying agent.
The 3rd composition is filler.Uniform filling is scattered in base glue, is the important component of tackiness agent.Filler is very large on the impact of tackiness agent, and its size affects the consumption of adhesive base.Particle diameter is little, the filler of identical weight, and its surface-area is large, and the consumption of base-material is just large.Otherwise particle diameter is large, the base-material consumption is few.The particle diameter of general filler should not be less than 900 orders, and the particle of filler of the present invention is 1200 orders～1500 orders (preferably 1250 orders).Filler is to exist with dispersion state in tackiness agent, and a part of filler reacts with base glue, has the effects such as the bonding strength that improves tackiness agent, thermotolerance.We find that the kind of filler is relevant with the performance that tackiness agent will reach with consumption.When heatproof requires to spend higher than 1000, it is gross weight 20～42% that the silicide in described filler adds weight ratio.
The present invention has the structure of mineral compound, contains a small amount of B-O key and a large amount of Si-O keys in structure, has determined its thermotolerance and flame retardancy.Contained volatile component only has water, and after solidifying, ingredient is mainly element and their oxide compounds such as silicon, carbon, and these materials can not decompose below 1500 degree, are difficult for melting.
Compared with prior art, the invention has the beneficial effects as follows: containing volatile organic compounds (VOC) composition, high temperature resistant, cohesive strength is not high, single-component, the advantage such as easy to use; And high-temperature behavior reaches 1100 degree.
Embodiment
Embodiment 1:(base glue 30%; Filler 42%; Solidifying agent 20%, Yu Weishui, it is 50% that water glass accounts for base glue weight ratio)
What account for whole material gross weights 23% (accounts for the weight percent of whole material total amounts, below analogize) aluminium dihydrogen phosphate aqueous solution (strength of solution is 65%) and the 15% modulus water glass mix and blend that is 3.7 40 minutes is to without after visible gel, add mullite powder 42%, mullite first is ground to particle diameter through shredder and is less than 10 microns (this particle diameter is equivalent to 1500 orders), uses after then using 0.01% silane coupling agent kh-570 (chemical name Y-(methacryloxypropyl) propyl trimethoxy silicane) solution immersion post-drying; Under agitation add 20% zinc oxide; The post curing 12 hours that stirs, the gained refractory inorganic adhesive is the canescence body of paste.This jelly is coated in compound pearl rock refractory slab on steel plate, 100 degree hot pressing 50 minutes, and cohesive strength can reach PLASTIC LAMINATED wood destruction level.The resistance to elevated temperatures of this glue reaches 1100 degree, and at this temperature, this glue can not decompose, and does not emit any toxic and harmful.
Embodiment 2:(base glue 40%; Filler 50%; Solidifying agent 10%, it is 37.5% that water glass accounts for base glue weight ratio)
25 parts of (parts by weight, as follows) water glass of aluminium dihydrogen phosphate and 15 parts of moduluses 3.7, with 15 parts of 20 parts of (treatment process is same as Example 1) silica powders, wollastonites crossing through coupling agent treatment, 15 parts of Calcined polishing aluminum oxides, before adding, all fillers all should first through shredder, be ground to particle diameter 1200 orders, mix and blend 40 minutes is to without after visible gel, under agitation add 10 parts of boric acid, the post curing 12 hours that stirs, the gained refractory inorganic adhesive is white body of paste.This jelly is coated in compound pearl rock refractory slab on steel plate, 100 degree hot pressing 50 minutes, and cohesive strength can reach PLASTIC LAMINATED destruction level.The resistance to elevated temperatures of this glue reaches 900 degree, and at this temperature, this glue can not decompose, and does not produce any toxic and harmful.
Embodiment 3:(base glue 60%; Filler 30%; Solidifying agent 10%, it is 58.33% that water glass accounts for base glue weight ratio)
The water glass that 35 parts of (weight ratio, as follows) moduluses are 3.8 and 3 parts of Calcined polishing aluminum oxides, 5 parts of potassium titanate fibers, 10 parts of mullite powders, 9 parts, flint clay powder.Mix and blend adds 25 parts of aluminium dihydrogen phosphates to without after visible gel in 40 minutes, stirs.Add 3 parts of (treatment process is same as Example 1) silica powders of crossing through coupling agent treatment.All should first through shredder, be ground to particle diameter before all fillers add and cross 1250 mesh sieves.Then under agitation add 10 parts, zinc oxide.Post curing 12 hours stirs.The gained refractory inorganic adhesive is white body of paste.This jelly is coated in compound pearl rock refractory slab on steel plate.100 degree hot pressing 50 minutes, cohesive strength can reach the wood destruction level.High temperature resistant 700 degree that reach of this glue.At this temperature, this glue can not decompose.Do not emit any toxic and harmful.
Embodiment 4:(base glue 50%; Filler 45%; Solidifying agent 5%; It is 50% that water glass accounts for base glue weight ratio)
25 parts of (weight ratios, as follows) self-control acid aluminium dihydrogen phosphate (industrial phosphoric acid of equimolar ratio react the product of 1.5 hours under 240 degree with aluminium hydroxide) and 20 parts of mullite powders, 20 parts of mix and blends of flint clay powder 40 minutes be to nothing as seen after gel, add 5 parts of (treatment process is same as Example 1) silica powders of crossing through coupling agent treatment, mullite powder, flint clay powder, silica powder should be crossed 1200 mesh sieves, after stirring, add again 25 parts of water glass that modulus is 3.3 to stir, then under agitation add 5 parts, magnesium oxide; Post curing 12 hours stirs; The gained refractory inorganic adhesive is white body of paste.This jelly is coated in compound pearl rock refractory slab on steel plate, 100 degree hot pressing 50 minutes, and cohesive strength can reach the wood destruction level.The resistance to elevated temperatures of this glue reaches 1200 degree, and at this temperature, this glue can not decompose, and does not emit any toxic and harmful.
Embodiment 5:(base glue 70%, filler 25%; Solidifying agent 5%; It is 60% that water glass accounts for base glue weight ratio)
28 parts of (weight ratios, as follows) self-control acid aluminium dihydrogen phosphate (industrial phosphoric acid of equimolar ratio reacts the product of 1.5 hours under 240 degree with the hydrogen Calcined polishing aluminum oxide) and 15 parts of mullite powders, 5 parts of mix and blends of flint clay powder 40 minutes are to without after visible gel, add 5 parts of (treatment process is same as Example 1) silica powders of crossing through coupling agent treatment, described mullite powder, the flint clay powder, silica powder all should be crossed 1200 mesh sieves, after stirring, add again 42 parts of water glass that modulus is 3.3 to stir, then under agitation add 5 parts, magnesium oxide, post curing 12 hours stirs, the gained refractory inorganic adhesive is white body of paste.This jelly is coated in compound pearl rock refractory slab on steel plate, 100 degree hot pressing 50 minutes, and cohesive strength can reach the wood destruction level.The resistance to elevated temperatures of this glue reaches 1200 degree, and at this temperature, this glue can not decompose, and does not emit any toxic and harmful.
Claims (6)
1. a perlite fireproof plate and the steel plate special-purpose high temperature inorganic adhesive that bonds, is characterized in that, by the one-tenth of following weight ratio, is grouped into: 30%～70% base glue, 5%～20% solidifying agent, 25%～50% filler; Described base glue is the mixture that aluminium dihydrogen phosphate and modulus are more than or equal to 3.3 water glass; Described base glue mesosilicic acid sodium accounts for base glue weight ratio 37.5～60%.Described solidifying agent is boric acid or zinc oxide, magnesium oxide; Described filler is a kind of or mixture of potassium titanate fiber or silicide or aluminum oxide; The particle of described filler is 1200 orders～1500 orders.
2. perlite fireproof plate according to claim 1 and the steel plate special-purpose high temperature inorganic adhesive that bonds, is characterized in that, the particle of described filler is 1250 orders.
3. perlite fireproof plate according to claim 1 and the steel plate special-purpose high temperature inorganic adhesive that bonds, is characterized in that, described silicide refers to wollastonite powder or mullite powder or flint clay powder or quartz powder.
4. perlite fireproof plate according to claim 1 and the steel plate special-purpose high temperature inorganic adhesive that bonds, is characterized in that, described base glue proportion is 30%～60%.
5. perlite fireproof plate according to claim 1 and the steel plate special-purpose high temperature inorganic adhesive that bonds, is characterized in that, described solidifying agent proportion is 10%～20%.
6. perlite fireproof plate according to claim 1 and the steel plate special-purpose high temperature inorganic adhesive that bonds, is characterized in that, described filler proportion is 30%～50%.
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| CN2010102785747A CN102010671B (en) | 2010-09-13 | 2010-09-13 | High-temperature resisting inorganic adhesive specially used for bonding pearlite fireproof plate with steel plate |
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| CN2010102785747A CN102010671B (en) | 2010-09-13 | 2010-09-13 | High-temperature resisting inorganic adhesive specially used for bonding pearlite fireproof plate with steel plate |
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| CN102010671B true CN102010671B (en) | 2013-12-11 |
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| CN107500643A (en) * | 2017-08-08 | 2017-12-22 | 无锡海特新材料研究院有限公司 | A kind of normal temperature rapid curing phosphosilicate inorganic adhesive and preparation method thereof |
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| CN113292931A (en) * | 2021-05-28 | 2021-08-24 | 中建材创新科技研究院有限公司 | Adhesive and preparation and application thereof |
| CN115027105A (en) * | 2022-06-16 | 2022-09-09 | 上海昌海船舶技术有限公司 | Film cabin welding heat protection gasket and preparation method thereof |
| CN115353809A (en) * | 2022-09-21 | 2022-11-18 | 重庆华裕胜久材料科技有限公司 | High-temperature-resistant inorganic adhesive and preparation method thereof |
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