A kind of sound-absorbing fireproof coating
Technical field
The invention belongs to technical field of coatings, more particularly it relates to a kind of sound-absorbing fireproof coating.
Background technology
Sound-absorbing fireproof coating is a kind of new type functional coating, and it, which is coated in body surface, effectively to reduce noise and pre-
Fire-proof, all has been widely used in terms of tunnel, high-rise building, fire-fighting equipment, military affairs, facility of camping.It is existing to inhale
Sound fireproof coating has following shortcoming:
(1) weatherability of product, water resistance can not typically reach requirement;
(2) when occurring fire, the film forming matter of these fireproof coatings can not bear drastically elevated temperature and be burned out quickly,
And fire-proof can not be played a part of;
(3) poor performance such as anti-corrosion, acid and alkali-resistance, antibacterial.
(4)Sound-absorbing effect is undesirable, it is impossible to really reduce noise.
Hence it is highly desirable to by the improvement of formula, obtain that weatherability is strong, fire resistance is good and with anti-corrosion, antibacterial with
And the sound-absorbing fireproof coating of acidproof alkali ability.
The content of the invention
In order to solve the above problems, one aspect of the present invention provides a kind of sound-absorbing fireproof coating, by weight, including
Following components:
The concave convex rod of 20 parts by weight, the nano titanium oxide of 5 ~ 10 parts by weight, the drift-sand of 5 ~ 10 parts by weight, 5 ~ 10 parts by weight
Montmorillonite, the KH-560 of 1 ~ 5 parts by weight, the KH-550 of 1 ~ 5 parts by weight, the magnesium hydroxide of 1 ~ 5 parts by weight, the second of 1 ~ 5 parts by weight
Alcohol, the sodium carbonate of 1 ~ 5 parts by weight, sulfonated phosphazene-nanometer silica composites of 10 ~ 25 parts by weight, 20 ~ 50 parts by weight
The deionized water of dimethyl sulfoxide (DMSO) and 50 ~ 100 parts by weight;
Preferably, described sound-absorbing fireproof coating, by weight, including following components:
The concave convex rod of 20 parts by weight, the nano titanium oxide of 6 ~ 9 parts by weight, the drift-sand of 6 ~ 9 parts by weight, the illiteracy of 6 ~ 8 parts by weight
De- soil, the KH-560 of 2 ~ 4 parts by weight, the KH-550 of 2 ~ 4 parts by weight, the magnesium hydroxide of 2 ~ 4 parts by weight, the ethanol of 2 ~ 4 parts by weight,
The sodium carbonate of 2 ~ 4 parts by weight, sulfonated phosphazene-nanometer silica composite of 12 ~ 24 parts by weight, the two of 30 ~ 40 parts by weight
The deionized water of methyl sulfoxide and 70 ~ 90 parts by weight;
It is highly preferred that described sound-absorbing fireproof coating, by weight, including following components:
The concave convex rod of 20 parts by weight, the nano titanium oxide of 8 parts by weight, the drift-sand of 7 parts by weight, the montmorillonite of 7 parts by weight, 3
The KH-560 of parts by weight, the KH-550 of 3 parts by weight, the magnesium hydroxide of 3 parts by weight, the ethanol of 3 parts by weight, the carbonic acid of 3 parts by weight
Sodium, sulfonated phosphazene-nanometer silica composite of 15 parts by weight, the dimethyl sulfoxide (DMSO) of 35 parts by weight and 80 parts by weight
Deionized water.
In a kind of preferably scheme, the average grain diameter of the concave convex rod is 300-500 nm, nano titanium oxide it is flat
Equal particle diameter be 100-300 nm, the average grain diameter of drift-sand be 100-300 nm, the average grain diameter of montmorillonite be 200-300 nm,
The average grain diameter of nano silicon is 50-250 nm.
In a kind of more preferably scheme, the average grain diameter of the concave convex rod is 350 nm, nano titanium oxide is averaged
Particle diameter is that 200 nm, the average grain diameter of drift-sand are that 250 nm, the average grain diameter of montmorillonite are 250 nm, nano silicon
Average grain diameter is 150 nm.
In a kind of scheme, the sulfonated phosphazene-nanometer silica composite is prepared from by following methods:
In 250 milliliters of round-bottomed flasks, by 0.4 gram of hexachlorocyclotriph,sphazene and 0.91 gram 4,4 '-dihydroxydiphenylsulisomer is dissolved in
In 150 milliliters of acetonitriles, 1.1 milliliters of triethylamines are then added, is placed in 50 DEG C of ultrasonic water baths and reacts 4 h, after reaction terminates, centrifugation
Solvent is removed, washed product is distinguished 3 times with deionized water and acetone, 24 h are finally dried in vacuo at 40 DEG C and obtain white poly-
Phosphonitrile powder;
0.5 gram of above-mentioned white polyphosphazene powder is added in 50 milliliters of three-neck flasks, the dense of 10 milliliters of mass fractions 98% is added
Sulfuric acid, is placed in 60 DEG C of water-baths, and 10h is reacted under mechanical stirring, after reaction terminates, product is slowly poured into cold water, and
It is stirred continuously, is centrifuged off unreacted sulfuric acid, product is then washed with deionized 5 times, is finally dried in vacuo at 50 DEG C
48 h are to obtain sulfonated phosphazene powder;
0.5 gram of above-mentioned sulfonated phosphazene powder, 0.05 gram of epoxy resin E51, nano-silica are added in 50 milliliters of three-neck flasks
0.3 gram and 10 milliliters dimethyl sulfoxide (DMSO)s of SiClx, heat up after 120 DEG C of reaction 2h, are down to room temperature and product is slowly poured into cold water
In, and it is stirred continuously, product is then washed with deionized 5 times, 48 h are finally dried in vacuo at 50 DEG C obtain sulfonation and gather
Phosphonitrile-nanometer silica composite.
In a kind of more preferably scheme, a kind of described sound-absorbing fireproof coating, by weight, in addition to
The graphene oxide modification sulfonated phosphazene of 5-10 parts by weight.
In a kind of scheme, the preparation method of the graphene oxide modification sulfonated phosphazene is:
In 250 milliliters of round-bottomed flasks, by 0.4 gram of hexachlorocyclotriph,sphazene and 0.91 gram 4,4 '-dihydroxydiphenylsulisomer is dissolved in
In 150 milliliters of acetonitriles, 1.1 milliliters of triethylamines are then added, is placed in 50 DEG C of ultrasonic water baths and reacts 4 h, after reaction terminates, centrifugation
Solvent is removed, washed product is distinguished 3 times with deionized water and acetone, 24 h are finally dried in vacuo at 40 DEG C and obtain white poly-
Phosphonitrile powder;
0.5 gram of above-mentioned white polyphosphazene powder is added in 50 milliliters of three-neck flasks, the dense of 10 milliliters of mass fractions 98% is added
Sulfuric acid, is placed in 60 DEG C of water-baths, and 10h is reacted under mechanical stirring, after reaction terminates, product is slowly poured into cold water, and
It is stirred continuously, is centrifuged off unreacted sulfuric acid, product is then washed with deionized 5 times, is finally dried in vacuo at 50 DEG C
48 h are to obtain sulfonated phosphazene powder;
1 gram of above-mentioned sulfonated phosphazene powder, 0.2 gram of graphene oxide, silane coupler KH- are added in 50 milliliters of three-neck flasks
560 0.3 grams and 10 milliliters of dimethyl sulfoxide (DMSO)s, heat up after 50 DEG C of reaction 4h, are down to room temperature and product is slowly poured into cold water
In, and be stirred continuously, product is then washed with deionized 5 times, 48 h are finally dried in vacuo at 50 DEG C and obtain aoxidizing stone
Black alkene modifies sulfonated phosphazene.
Advantageous effects of the present invention:
The present invention can by introducing sulfonated phosphazene-nanometer silica composite and graphene oxide modification sulfonated phosphazene
Effectively improve weatherability, fire resistance, acidproof alkali ability and the sound absorbing power of system.
Embodiment
Raw material:
Concave convex rod(Average grain diameter is 350 nm), nano titanium oxide(Average grain diameter is 200 nm), drift-sand(Average grain diameter is
250 nm), montmorillonite average grain diameter(250 nm), nano silicon average grain diameter(150 nm)Purchased from Chinese medicines group
Reagent Co., Ltd is learned, graphene oxide is purchased from Shanghai Fu Qi Trade Co., Ltd.s, and other raw materials, which are purchased from Aladdin reagent, to be had
Limit company.
Embodiment 1
By the concave convex rod of 20 parts by weight, the nano titanium oxide of 5 parts by weight, the drift-sand of 5 parts by weight, the montmorillonite of 5 parts by weight,
The KH-560 of 1 parts by weight, the KH-550 of 1 parts by weight, the magnesium hydroxide of 1 parts by weight, the ethanol of 1 parts by weight, the carbonic acid of 1 parts by weight
Sodium, sulfonated phosphazene-nanometer silica composite of 10 parts by weight, the dimethyl sulfoxide (DMSO) of 20 parts by weight and 50 parts by weight
Deionized water is added in agravic blender, opens fly cutter, to avoid the occurrence of bonding, prevents stirring uneven, mixing time is 10
Minute, discharging;
Sulfonated phosphazene-the nanometer silica composite is prepared from by following methods:
In 250 milliliters of round-bottomed flasks, by 0.4 gram of hexachlorocyclotriph,sphazene and 0.91 gram 4,4 '-dihydroxydiphenylsulisomer is dissolved in
In 150 milliliters of acetonitriles, 1.1 milliliters of triethylamines are then added, is placed in 50 DEG C of ultrasonic water baths and reacts 4 h, after reaction terminates, centrifugation
Solvent is removed, washed product is distinguished 3 times with deionized water and acetone, 24 h are finally dried in vacuo at 40 DEG C and obtain white poly-
Phosphonitrile powder;
0.5 gram of above-mentioned white polyphosphazene powder is added in 50 milliliters of three-neck flasks, the dense of 10 milliliters of mass fractions 98% is added
Sulfuric acid, is placed in 60 DEG C of water-baths, and 10h is reacted under mechanical stirring, after reaction terminates, product is slowly poured into cold water, and
It is stirred continuously, is centrifuged off unreacted sulfuric acid, product is then washed with deionized 5 times, is finally dried in vacuo at 50 DEG C
48 h are to obtain sulfonated phosphazene powder;
0.5 gram of above-mentioned sulfonated phosphazene powder, 0.05 gram of epoxy resin E51, nano-silica are added in 50 milliliters of three-neck flasks
0.3 gram and 10 milliliters dimethyl sulfoxide (DMSO)s of SiClx, heat up after 120 DEG C of reaction 2h, are down to room temperature and product is slowly poured into cold water
In, and it is stirred continuously, product is then washed with deionized 5 times, 48 h are finally dried in vacuo at 50 DEG C obtain sulfonation and gather
Phosphonitrile-nanometer silica composite.
Embodiment 2
The illiteracy of the concave convex rod of 20 parts by weight, the nano titanium oxide of 10 parts by weight, the drift-sand of 10 parts by weight, 10 parts by weight is taken off
Soil, the KH-560 of 5 parts by weight, the KH-550 of 5 parts by weight, the magnesium hydroxide of 5 parts by weight, the ethanol of 5 parts by weight, 5 parts by weight
Sodium carbonate, sulfonated phosphazene-nanometer silica composite of 15 parts by weight, the dimethyl sulfoxide (DMSO) of 50 parts by weight and 100 weights
The deionized water for measuring part is added in agravic blender, opens fly cutter, to avoid the occurrence of bonding, prevents stirring uneven, during stirring
Between be 10 minutes, discharging;
Sulfonated phosphazene-the nanometer silica composite is prepared from by following methods:
In 250 milliliters of round-bottomed flasks, by 0.4 gram of hexachlorocyclotriph,sphazene and 0.91 gram 4,4 '-dihydroxydiphenylsulisomer is dissolved in
In 150 milliliters of acetonitriles, 1.1 milliliters of triethylamines are then added, is placed in 50 DEG C of ultrasonic water baths and reacts 4 h, after reaction terminates, centrifugation
Solvent is removed, washed product is distinguished 3 times with deionized water and acetone, 24 h are finally dried in vacuo at 40 DEG C and obtain white poly-
Phosphonitrile powder;
0.5 gram of above-mentioned white polyphosphazene powder is added in 50 milliliters of three-neck flasks, the dense of 10 milliliters of mass fractions 98% is added
Sulfuric acid, is placed in 60 DEG C of water-baths, and 10h is reacted under mechanical stirring, after reaction terminates, product is slowly poured into cold water, and
It is stirred continuously, is centrifuged off unreacted sulfuric acid, product is then washed with deionized 5 times, is finally dried in vacuo at 50 DEG C
48 h are to obtain sulfonated phosphazene powder;
0.5 gram of above-mentioned sulfonated phosphazene powder, 0.05 gram of epoxy resin E51, nano-silica are added in 50 milliliters of three-neck flasks
0.3 gram and 10 milliliters dimethyl sulfoxide (DMSO)s of SiClx, heat up after 120 DEG C of reaction 2h, are down to room temperature and product is slowly poured into cold water
In, and it is stirred continuously, product is then washed with deionized 5 times, 48 h are finally dried in vacuo at 50 DEG C obtain sulfonation and gather
Phosphonitrile-nanometer silica composite.
Embodiment 3
By the concave convex rod of 20 parts by weight, the nano titanium oxide of 8 parts by weight, the drift-sand of 7 parts by weight, the montmorillonite of 7 parts by weight,
The KH-560 of 3 parts by weight, the KH-550 of 3 parts by weight, the magnesium hydroxide of 3 parts by weight, the ethanol of 3 parts by weight, the carbonic acid of 3 parts by weight
Sodium, sulfonated phosphazene-nanometer silica composite of 15 parts by weight, the dimethyl sulfoxide (DMSO) of 35 parts by weight and 80 parts by weight
Deionized water is added in agravic blender, opens fly cutter, to avoid the occurrence of bonding, prevents stirring uneven, mixing time is 10
Minute, discharging;
Sulfonated phosphazene-the nanometer silica composite is prepared from by following methods:
In 250 milliliters of round-bottomed flasks, by 0.4 gram of hexachlorocyclotriph,sphazene and 0.91 gram 4,4 '-dihydroxydiphenylsulisomer is dissolved in
In 150 milliliters of acetonitriles, 1.1 milliliters of triethylamines are then added, is placed in 50 DEG C of ultrasonic water baths and reacts 4 h, after reaction terminates, centrifugation
Solvent is removed, washed product is distinguished 3 times with deionized water and acetone, 24 h are finally dried in vacuo at 40 DEG C and obtain white poly-
Phosphonitrile powder;
0.5 gram of above-mentioned white polyphosphazene powder is added in 50 milliliters of three-neck flasks, the dense of 10 milliliters of mass fractions 98% is added
Sulfuric acid, is placed in 60 DEG C of water-baths, and 10h is reacted under mechanical stirring, after reaction terminates, product is slowly poured into cold water, and
It is stirred continuously, is centrifuged off unreacted sulfuric acid, product is then washed with deionized 5 times, is finally dried in vacuo at 50 DEG C
48 h are to obtain sulfonated phosphazene powder;
0.5 gram of above-mentioned sulfonated phosphazene powder, 0.05 gram of epoxy resin E51, nano-silica are added in 50 milliliters of three-neck flasks
0.3 gram and 10 milliliters dimethyl sulfoxide (DMSO)s of SiClx, heat up after 120 DEG C of reaction 2h, are down to room temperature and product is slowly poured into cold water
In, and it is stirred continuously, product is then washed with deionized 5 times, 48 h are finally dried in vacuo at 50 DEG C obtain sulfonation and gather
Phosphonitrile-nanometer silica composite.
Embodiment 4
By the concave convex rod of 20 parts by weight, the nano titanium oxide of 8 parts by weight, the drift-sand of 7 parts by weight, the montmorillonite of 7 parts by weight,
The KH-560 of 3 parts by weight, the KH-550 of 3 parts by weight, the magnesium hydroxide of 3 parts by weight, the ethanol of 3 parts by weight, the carbonic acid of 3 parts by weight
Sodium, sulfonated phosphazene-nanometer silica composite of 15 parts by weight, the dimethyl sulfoxide (DMSO) of 35 parts by weight, the oxidation of 8 parts by weight
The deionized water of graphene modified sulfonated phosphazene and 80 parts by weight is added in agravic blender, fly cutter is opened, to avoid
Bond, prevent stirring uneven, mixing time is 10 minutes, discharging;
Sulfonated phosphazene-the nanometer silica composite is prepared from by following methods:
In 250 milliliters of round-bottomed flasks, by 0.4 gram of hexachlorocyclotriph,sphazene and 0.91 gram 4,4 '-dihydroxydiphenylsulisomer is dissolved in
In 150 milliliters of acetonitriles, 1.1 milliliters of triethylamines are then added, is placed in 50 DEG C of ultrasonic water baths and reacts 4 h, after reaction terminates, centrifugation
Solvent is removed, washed product is distinguished 3 times with deionized water and acetone, 24 h are finally dried in vacuo at 40 DEG C and obtain white poly-
Phosphonitrile powder;
0.5 gram of above-mentioned white polyphosphazene powder is added in 50 milliliters of three-neck flasks, the dense of 10 milliliters of mass fractions 98% is added
Sulfuric acid, is placed in 60 DEG C of water-baths, and 10h is reacted under mechanical stirring, after reaction terminates, product is slowly poured into cold water, and
It is stirred continuously, is centrifuged off unreacted sulfuric acid, product is then washed with deionized 5 times, is finally dried in vacuo at 50 DEG C
48 h are to obtain sulfonated phosphazene powder;
0.5 gram of above-mentioned sulfonated phosphazene powder, 0.05 gram of epoxy resin E51, nano-silica are added in 50 milliliters of three-neck flasks
0.3 gram and 10 milliliters dimethyl sulfoxide (DMSO)s of SiClx, heat up after 120 DEG C of reaction 2h, are down to room temperature and product is slowly poured into cold water
In, and it is stirred continuously, product is then washed with deionized 5 times, 48 h are finally dried in vacuo at 50 DEG C obtain sulfonation and gather
Phosphonitrile-nanometer silica composite;
The preparation method of graphene oxide modification sulfonated phosphazene is:
In 250 milliliters of round-bottomed flasks, by 0.4 gram of hexachlorocyclotriph,sphazene and 0.91 gram 4,4 '-dihydroxydiphenylsulisomer is dissolved in
In 150 milliliters of acetonitriles, 1.1 milliliters of triethylamines are then added, is placed in 50 DEG C of ultrasonic water baths and reacts 4 h, after reaction terminates, centrifugation
Solvent is removed, washed product is distinguished 3 times with deionized water and acetone, 24 h are finally dried in vacuo at 40 DEG C and obtain white poly-
Phosphonitrile powder;
0.5 gram of above-mentioned white polyphosphazene powder is added in 50 milliliters of three-neck flasks, the dense of 10 milliliters of mass fractions 98% is added
Sulfuric acid, is placed in 60 DEG C of water-baths, and 10h is reacted under mechanical stirring, after reaction terminates, product is slowly poured into cold water, and
It is stirred continuously, is centrifuged off unreacted sulfuric acid, product is then washed with deionized 5 times, is finally dried in vacuo at 50 DEG C
48 h are to obtain sulfonated phosphazene powder;
1 gram of above-mentioned sulfonated phosphazene powder, 0.2 gram of graphene oxide, silane coupler KH- are added in 50 milliliters of three-neck flasks
560 0.3 grams and 10 milliliters of dimethyl sulfoxide (DMSO)s, heat up after 50 DEG C of reaction 4h, are down to room temperature and product is slowly poured into cold water
In, and be stirred continuously, product is then washed with deionized 5 times, 48 h are finally dried in vacuo at 50 DEG C and obtain aoxidizing stone
Black alkene modifies sulfonated phosphazene.
Comparative example 1
By the concave convex rod of 20 parts by weight, the nano titanium oxide of 8 parts by weight, the drift-sand of 7 parts by weight, the montmorillonite of 7 parts by weight,
The KH-560 of 3 parts by weight, the KH-550 of 3 parts by weight, the magnesium hydroxide of 3 parts by weight, the ethanol of 3 parts by weight, the carbonic acid of 3 parts by weight
The deionized water of sodium, the dimethyl sulfoxide (DMSO) of 35 parts by weight and 80 parts by weight is added in agravic blender, fly cutter is opened, to keep away
Exempt to bond, prevent stirring uneven, mixing time is 10 minutes, discharging.
Comparative example 2
By the concave convex rod of 20 parts by weight, the nano titanium oxide of 8 parts by weight, the drift-sand of 7 parts by weight, the montmorillonite of 7 parts by weight,
The KH-560 of 3 parts by weight, the KH-550 of 3 parts by weight, the magnesium hydroxide of 3 parts by weight, the ethanol of 3 parts by weight, the carbonic acid of 3 parts by weight
Sodium, the dimethyl sulfoxide (DMSO) of 35 parts by weight, the graphene oxide modification sulfonated phosphazene and the deionization of 80 parts by weight of 8 parts by weight
Water is added in agravic blender, opens fly cutter, to avoid the occurrence of bonding, prevents stirring uneven, and mixing time is 10 minutes, is gone out
Material;
The preparation method of graphene oxide modification sulfonated phosphazene is:
In 250 milliliters of round-bottomed flasks, by 0.4 gram of hexachlorocyclotriph,sphazene and 0.91 gram 4,4 '-dihydroxydiphenylsulisomer is dissolved in
In 150 milliliters of acetonitriles, 1.1 milliliters of triethylamines are then added, is placed in 50 DEG C of ultrasonic water baths and reacts 4 h, after reaction terminates, centrifugation
Solvent is removed, washed product is distinguished 3 times with deionized water and acetone, 24 h are finally dried in vacuo at 40 DEG C and obtain white poly-
Phosphonitrile powder;
0.5 gram of above-mentioned white polyphosphazene powder is added in 50 milliliters of three-neck flasks, the dense of 10 milliliters of mass fractions 98% is added
Sulfuric acid, is placed in 60 DEG C of water-baths, and 10h is reacted under mechanical stirring, after reaction terminates, product is slowly poured into cold water, and
It is stirred continuously, is centrifuged off unreacted sulfuric acid, product is then washed with deionized 5 times, is finally dried in vacuo at 50 DEG C
48 h are to obtain sulfonated phosphazene powder;
1 gram of above-mentioned sulfonated phosphazene powder, 0.2 gram of graphene oxide, silane coupler KH- are added in 50 milliliters of three-neck flasks
560 0.3 grams and 10 milliliters of dimethyl sulfoxide (DMSO)s, heat up after 50 DEG C of reaction 4h, are down to room temperature and product is slowly poured into cold water
In, and be stirred continuously, product is then washed with deionized 5 times, 48 h are finally dried in vacuo at 50 DEG C and obtain aoxidizing stone
Black alkene modifies sulfonated phosphazene.
Comparative example 3
By the concave convex rod of 20 parts by weight, the nano titanium oxide of 8 parts by weight, the drift-sand of 7 parts by weight, the montmorillonite of 7 parts by weight,
The KH-560 of 3 parts by weight, the KH-550 of 3 parts by weight, the magnesium hydroxide of 3 parts by weight, the ethanol of 3 parts by weight, the carbonic acid of 3 parts by weight
Sodium, the sulfonated phosphazene of 15 parts by weight, the dimethyl sulfoxide (DMSO) of 35 parts by weight, the graphene oxide modification poly- phosphorus of sulfonation of 8 parts by weight
The deionized water of nitrile and 80 parts by weight is added in agravic blender, opens fly cutter, to avoid the occurrence of bonding, prevents stirring not
, mixing time is 10 minutes, discharging;
The sulfonated phosphazene is prepared from by following methods:
In 250 milliliters of round-bottomed flasks, by 0.4 gram of hexachlorocyclotriph,sphazene and 0.91 gram 4,4 '-dihydroxydiphenylsulisomer is dissolved in
In 150 milliliters of acetonitriles, 1.1 milliliters of triethylamines are then added, is placed in 50 DEG C of ultrasonic water baths and reacts 4 h, after reaction terminates, centrifugation
Solvent is removed, washed product is distinguished 3 times with deionized water and acetone, 24 h are finally dried in vacuo at 40 DEG C and obtain white poly-
Phosphonitrile powder;
0.5 gram of above-mentioned white polyphosphazene powder is added in 50 milliliters of three-neck flasks, the dense of 10 milliliters of mass fractions 98% is added
Sulfuric acid, is placed in 60 DEG C of water-baths, and 10h is reacted under mechanical stirring, after reaction terminates, product is slowly poured into cold water, and
It is stirred continuously, is centrifuged off unreacted sulfuric acid, product is then washed with deionized 5 times, is finally dried in vacuo at 50 DEG C
48 h are to obtain sulfonated phosphazene powder;
The preparation method of graphene oxide modification sulfonated phosphazene is:
In 250 milliliters of round-bottomed flasks, by 0.4 gram of hexachlorocyclotriph,sphazene and 0.91 gram 4,4 '-dihydroxydiphenylsulisomer is dissolved in
In 150 milliliters of acetonitriles, 1.1 milliliters of triethylamines are then added, is placed in 50 DEG C of ultrasonic water baths and reacts 4 h, after reaction terminates, centrifugation
Solvent is removed, washed product is distinguished 3 times with deionized water and acetone, 24 h are finally dried in vacuo at 40 DEG C and obtain white poly-
Phosphonitrile powder;
0.5 gram of above-mentioned white polyphosphazene powder is added in 50 milliliters of three-neck flasks, the dense of 10 milliliters of mass fractions 98% is added
Sulfuric acid, is placed in 60 DEG C of water-baths, and 10h is reacted under mechanical stirring, after reaction terminates, product is slowly poured into cold water, and
It is stirred continuously, is centrifuged off unreacted sulfuric acid, product is then washed with deionized 5 times, is finally dried in vacuo at 50 DEG C
48 h are to obtain sulfonated phosphazene powder;
1 gram of above-mentioned sulfonated phosphazene powder, 0.2 gram of graphene oxide, silane coupler KH- are added in 50 milliliters of three-neck flasks
560 0.3 grams and 10 milliliters of dimethyl sulfoxide (DMSO)s, heat up after 50 DEG C of reaction 4h, are down to room temperature and product is slowly poured into cold water
In, and be stirred continuously, product is then washed with deionized 5 times, 48 h are finally dried in vacuo at 50 DEG C and obtain aoxidizing stone
Black alkene modifies sulfonated phosphazene.
Test condition
Sound-absorbing fireproof coating obtained by embodiment 1-4 and comparative example 1-3 is coated on the wall, and test performance.
According to GA98-2005 standard testings, it is specially:
1st, surface drying time answers≤24h
2nd, adhesion strength >=0.1Mpa
3rd, water resistance:After 720h, coating does not ftracture, aliquation, come off
4th, acid resistance:After 360h, coating does not ftracture, aliquation, come off
5th, alkali resistance:After 360h, coating does not ftracture, aliquation, come off
6th, freeze-thawing resistant circulation experiment(It is secondary):After 15 times, coating does not ftracture, aliquation, come off.
Sound-absorption coefficient is tested according to GBJ47-83.
Test result is shown in Table 1.
Table 1
Test event |
Embodiment 1 |
Embodiment 2 |
Embodiment 3 |
Embodiment 4 |
Comparative example 1 |
Comparative example 2 |
Comparative example 3 |
Drying time, surface drying/h |
1.8 |
1.7 |
1.3 |
0.9 |
7.8 |
2.8 |
2.0 |
Adhesion strength/Mpa |
0.52 |
0.49 |
0.62 |
0.80 |
0.13 |
0.28 |
0.35 |
Water resistance/h |
2001 |
2004 |
2253 |
2739 |
546 |
1247 |
1558 |
Acid resistance/h |
1362 |
1342 |
1573 |
1767 |
389 |
670 |
887 |
Alkali resistance/h |
909 |
895 |
1151 |
1364 |
258 |
710 |
876 |
Freeze-thawing resistant circulation/number of times |
65 |
66 |
79 |
90 |
12 |
38 |
47 |
Fire endurance/h |
5.3 |
4.9 |
6.5 |
7.1 |
2.0 |
3.5 |
4.3 |
Sound-absorption coefficient |
0.42 |
0.40 |
0.56 |
0.68 |
0.21 |
0.29 |
0.37 |
Data above can be seen that and without using sulfonated phosphazene-nanometer silica composite and sulfonated phosphazene-nanometer
The coating of silica composite is compared, and coating of the invention has obvious better performance, thus provides having for the present invention
Beneficial technique effect.