CN103555185A - Surface flame retardant coating of rubber as well as preparation method of coating - Google Patents
Surface flame retardant coating of rubber as well as preparation method of coating Download PDFInfo
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Abstract
The invention discloses a surface flame retardant coating of rubber as well as a preparation method of the coating. The surface flame retardant coating comprises components A and B. The preparation method comprises the following steps: mixing and stirring a diluent, a dispersant, an adhesive force accelerant, a chain extender, halogen-free flame retardant polyether, a liquid flame retardant and flame retardant filler to obtain coarse mill base; grinding the coarse mill base to fine mill base; adding a free radical polymerization inhibitor, an ultraviolet light absorber, a catalyst and a defoamer into the fine mill base to stir to obtain the component A; adding an isocyanate curing agent and other assistants into the diluent to stir to obtain the component B; and mixing and stirring the components A and B to obtain the surface flame retardant coating of rubber. The flame retardant coating disclosed by the invention has the advantages of efficient flame retardance, low smoke and low toxicity, good weather ability and long service life, and the preparation method is simple in process, easy for production on a large scale and lower in production cost.
Description
Technical field
The invention belongs to field of polymer material preparing technology, relate in particular to a kind of low-smoke low-toxicity rubber surface anti-flaming dope and preparation method thereof.
Background technology
Universal along with high-speed transit logistics, rapid has obtained vigorous growth, and the application that wherein rubber subtracts vibration insolation means is performed meritorious deeds never to be obliterated.Traditional metal spring subtracts the restriction of damping hysteresis quality and the damping force size of vibration piece, is difficult to adapt to the roadability of high speed Train and occupant's comfortableness.Metal-rubber subtracts vibration piece and is applied to the above-mentioned defect that the vehicles can solve damping capacity, and still, due to the restriction of the performance of rubber own, its flame retardant properties is poor, under middle high temperature, is incendivity, and burning has self hastening phenomenon.The modified rubber formula that interpolation fire retardant obtains can obtain certain flame retardant properties, but huge for the damping capacity impact of product, completely loses even damping capacity.
For the vibration piece that subtracts in narrow limits space, consider personnel's evacuation and rescue, the delay of fire spreading is very important.For example operate in the vehicles in narrow limits space, railcar especially, the train groups in tunnel, the engine rooms of cabin etc., before air becomes the too large and visibility step-down of toxicity, can have more times to evacuate passenger.Even fire only postpones several minutes even several seconds, can save tens, the fresh and alive life of up to a hundred.Subway and high ferro are the vehicles of China and world's fast development, impel rubber to subtract the fire-retardant demand of vibration isolation element extremely urgent.
At present, research, the production development of anti-flaming dope is both at home and abroad very fast, and the kind of anti-flaming dope is a lot.Substantially can be divided into two large classes: a class is to take the building coating that inorganic salts, oxide compound, mineral powders be fire retardant, this class coating flame retardant properties is good, cost is low, and coating is generally thicker, and beautiful decoration is inadequate, visco-elasticity is not mated with rubber, is not suitable for doing rubber frie retardant coating; Another kind of is organic fire-resisting coating, this coating is to adopt the fire-retardant resin of intrinsic to configure coating or in organic coating, add fire retardant to configure anti-flaming dope, this coating is mainly used in the fire protection design of steel construction, is static rigid structure topcoating.Be not specially also the frie retardant coating of the soft base material design under kinestate at present both at home and abroad.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art; the rubber surface anti-flaming dope of a kind of highly effective flame-retardant, low-smoke low-toxicity, good weatherability, long service life is provided, the preparation method that a kind of technique is simple and ripe, be easy to large-scale production and the lower rubber surface anti-flaming dope of production cost is also provided.
For solving the problems of the technologies described above, the technical solution used in the present invention is a kind of rubber surface anti-flaming dope, described rubber surface anti-flaming dope by A component and B component according to 2～4: 1 weight ratio is formulated;
Described A component is formed by the preparation of raw material of thinner and following weight part:
The solid content of described A component is 60%～80%, and in described A component, each parts by weight of raw materials summation except thinner is 100 parts;
Described B component is formed by the preparation of raw material of thinner and following weight part:
95.5～99.6 parts, isocyanates solidifying agent, and
0.4～4.5 part of other auxiliary agent,
The solid content of described B component is 70%～85%, and in described B component, each parts by weight of raw materials summation except thinner is 100 parts.
In above-mentioned rubber surface anti-flaming dope, preferably, described chainextender is polyaspartic ester, quinhydrones-bis-(beta-hydroxyethyl) ether, trihydroxy methyl propane, trolamine, N, one or more in two (2-hydroxypropyl) aniline of N-, diethyl toluene diamine; Described halogen-free flameproof polyethers is nitrogenous halogen-free flameproof polyethers, and described fire-retardant filler is one or more in ammonium polyphosphate, tetramethylolmethane, trimeric cyanamide, magnesium hydroxide, aluminium hydroxide, titanium dioxide, carbon black; Described liquid flame retardant is phosphorus flame retardant, and described phosphorus flame retardant comprises dimethyl methyl phosphonate or diethyl ethylphosphate.
In above-mentioned rubber surface anti-flaming dope, preferred, described UV light absorber is 2-(2 '-hydroxyl-3 ', 5 '-di-tert-butyl-phenyl)-5-chlorinated benzotriazole or Octabenzone; Described radical polymerization inhibitor is two Lauryl Alcohol esters or 2,6 di tert butyl 4 methyl phenol; Described catalyzer is organotin catalysts or organic bismuth catalyst.
In above-mentioned rubber surface anti-flaming dope, preferred, described dispersion agent is one or more in BYK-161 dispersion agent, BYK-163 dispersion agent, BYK-2000 dispersion agent; Described adhesion promoter is Yi Shiman CP-343-1 and/or Yi Shiman CP-343-3.
In above-mentioned rubber surface anti-flaming dope, preferably, described isocyanates solidifying agent is that 3～1: 1～3 isocyanate-monomer or isocyanic ester polymer and isocyanic ester performed polymer (being isocyanate-monomer and isocyanic ester performed polymer or isocyanic ester polymer and isocyanic ester performed polymer) form by mass ratio; Described isocyanic ester performed polymer is that isocyanate-monomer and polyether glycol or polyester polyol are polymerized.
In above-mentioned rubber surface anti-flaming dope, preferably, described isocyanic ester polymer comprises hexamethylene diisocyanate tripolymer, described isocyanate-monomer comprises xylylene diisocyanate, isophorone diisocyanate, naphthalene diisocyanate or diphenylmethanediisocyanate, and described polyether glycol comprises polytetrahydrofuran and/or poly(propylene oxide); Described polyester polyol comprises polycarbonate and/or polycaprolactone.
In above-mentioned rubber surface anti-flaming dope, preferred, described other auxiliary agent is one or more in defoamer, flow agent, anti-settling agent; Described defoamer is one or more in BYK-019 defoamer, BYK-024 defoamer, BYK-028 defoamer; Described flow agent is one or more in BYK-356 flow agent, BYK-358N flow agent, BYK-359 flow agent; Described anti-settling agent is one or more in BYK-410 anti-settling agent, BYK-430 anti-settling agent, BYK-405 anti-settling agent.
In above-mentioned rubber surface anti-flaming dope, preferred, described thinner is the mixture of 150# solvent oil (i.e. No. 150 solvent oils), 1-Methoxy-2-propyl acetate and N-BUTYL ACETATE.
As a total technical conceive, the present invention also provides a kind of preparation method of above-mentioned rubber surface anti-flaming dope, comprises the following steps:
(1) preparation of A component: thinner, dispersion agent and adhesion promoter are mixed and stirred, then in gained mixture, add chainextender, halogen-free flameproof polyethers, liquid flame retardant and fire-retardant filler, after mix and blend, obtain thick mill base, thick mill base is ground to granularity≤50 μ m, obtains thin mill base, in thin mill base, add radical polymerization inhibitor, UV light absorber, catalyzer and other auxiliary agent, dispersed with stirring is even, obtains A component;
(2) preparation of B component: isocyanates solidifying agent and other auxiliary agent are added in thinner and stirred, obtain B component;
(3) preparation of rubber surface anti-flaming dope: above-mentioned A component and B component are mixed and stirred, obtain rubber surface anti-flaming dope.
In above-mentioned preparation method, preferred, in step (1), the time of described mix and blend is 30min～45min, the speed of mix and blend is 450r/min～600r/min, and the speed of described grinding is 1800r/min～2000r/min, and the time of grinding is 2h～2.5h.
Compared with prior art, the invention has the advantages that:
Rubber surface anti-flaming dope of the present invention is organic/inorganic composite flame-proof coating, guarantees that it has highly effective flame-retardant effect in the situation that not reducing mechanical property, and vertical combustion grade is V-0 level, and oxygen index can reach 33; Anti-flaming dope of the present invention has the features such as snappiness, low cigarette, low toxicity, low-corrosiveness, and when burning do not produce hydrogen halide and SO
2deng poisonous gas, low cigarette and low toxicity successful; Anti-flaming dope good weatherability of the present invention, long service life, its weathering resistance, more than 1000h, has been saved maintenance cost, is the elastic flame coating that desirable metal-rubber subtracts vibration insolation means.
The preparation method of rubber surface anti-flaming dope of the present invention there is technique simply and relatively ripe, be easy to large-scale production and do not increase the feature of production cost.
Design of the present invention is added efficient flame-retarding agent and is prepared and have better viscoelastic highly effective flame-retardant coating in the fire-retardant high resilience polyurethane resin matrix of intrinsic, subtracts motion match and the sticking power of vibration piece to solve anti-flaming dope and metal-rubber.
Smoke density data sheet when table 1 is rubber surface anti-flaming dope burning of the present invention; Smog gaseous constituent table (standard is DIN5510) when table 2 is rubber surface anti-flaming dope burning of the present invention:
Table 1 smoke density data sheet
| ? | Mean value/mgm -3 | Standard value/mgm -3 |
| D S,Max | 140～222 | 600 |
Table 2 smog gaseous constituent table
| ? | Mean value/mgm -3 | Standard value (4min)/mgm -3 |
| CO 2 | 4035～8426 | <72000 |
| CO | 40～105 | <1380 |
| NO 2 | 3～5 | <25 |
| SO 2 | 2～5 | <75 |
| HCl | 0～3 | <99 |
| HF | 0～1 | <55 |
| HBr | 3～5 | <38 |
| HCN | 2～4 | <262 |
| Smoke toxicity index | 0.031～0.037 | ≤1 |
Embodiment
Below in conjunction with concrete preferred embodiment, the invention will be further described, but protection domain not thereby limiting the invention.
Embodiment 1:
A rubber surface anti-flaming dope, this anti-flaming dope is formulated according to the weight ratio of 2: 1 by A component and B component, and the solid content of A component is 70wt%, and the solid content of B component is 75wt%;
A component is formed by the preparation of raw material of following weight part:
Above-mentioned 20 parts of fire-retardant fillers comprise 10.5 parts of ammonium polyphosphates, 5.0 parts of tetramethylolmethanes, 2.0 parts of titanium dioxides and 2.5 parts of carbon blacks,
150# solvent oil, 1-Methoxy-2-propyl acetate and N-BUTYL ACETATE that the thinner of A component is 1: 1: 1 by mass ratio form;
B component forms (other parts by weight of raw materials sum except thinner is 100 parts) by the preparation of raw material of following weight part:
Above-mentioned 99.6 parts of isocyanates solidifying agent comprise 49.8 parts of hexamethylene diisocyanate tripolymers and 49.8 parts of isophorone diisocyanate-polytetrahydrofuran performed polymers,
150# solvent oil, 1-Methoxy-2-propyl acetate and N-BUTYL ACETATE that the thinner of B component is 1: 1: 1 by mass ratio form.
A preparation method for the rubber surface anti-flaming dope of the present embodiment, each material composition is the same, comprises the following steps:
(1) preparation of A component:
(1.1) polyaspartic ester and halogen-free flameproof polyethers POP-290 are placed in to baking oven at 120 ℃ dry 12 hours, then fire-retardant filler (comprising ammonium polyphosphate, tetramethylolmethane, titanium dioxide and carbon black) are placed in to baking oven at 60 ℃ dry 24 hours;
(1.2) in an agitator, first add thinner, then add BYK-163 dispersion agent and Yi Shiman CP-343-1 adhesion promoter and stir, add again polyaspartic ester, halogen-free flameproof polyethers POP-290, dimethyl methyl phosphonate and fire-retardant filler (comprising ammonium polyphosphate, tetramethylolmethane, titanium dioxide and carbon black), mix and blend 30min, stirring velocity is 450r/min, obtains thick mill base;
(1.3) above-mentioned thick mill base is delivered to grinding machine for grinding until granularity is 50 μ m, grinding rate is 1800r/min, milling time is 2h, grinding obtains thin mill base by filtration, in thin mill base, add 2,6 di tert butyl 4 methyl phenol, 2-(2 '-hydroxyl-3 ', 5 '-di-tert-butyl-phenyl)-5-chlorinated benzotriazole, organic bismuth catalyst BiCAT8106, BYK-019 defoamer, BYK-356 flow agent and BYK-405 anti-settling agent, the evenly rear discharging of dispersed with stirring, obtains A component;
(2) preparation of B component: thinner is added in agitator, then to adding hexamethylene diisocyanate tripolymer and isophorone diisocyanate-polytetrahydrofuran performed polymer (being isocyanates solidifying agent), BYK-024 defoamer and BYK-356 flow agent containing in the agitator of thinner, after stirring, obtain B component;
(3) preparation of rubber surface anti-flaming dope: above-mentioned A component and B component are mixed and stirred according to the weight ratio of 2: 1, after stirring, obtain rubber surface anti-flaming dope.
Construction technology: process rubber surface with trimerization isocyanuric acid, then at rubber surface, spray rubber surface anti-flaming dope prepared by above-mentioned the present embodiment, after A component in anti-flaming dope and B component are solidified, recording flame retardant coating thick is 43 μ m, as follows to the test result of flame retardant coating:
Tensile strength is 5.2MPa, and elongation at break is 215%, and wear(ing)value (750g/500r) is 58mg, and sticking power is 0 grade, and vertical combustion grade is V-0 level, and oxygen index is 31, smoke density D
s, Maxbe 174, smoke toxicity CO
2be that 5628, CO is 52, NO
2be 3, SO
2be that 2, HCl is that 0, HF is that 0, HBr is that 3, HCN is 2, smoke toxicity index is 0.034, and the unit of smoke density and smog gaseous constituent is mgm
-3.
Embodiment 2:
A rubber surface anti-flaming dope, this anti-flaming dope is formulated according to the weight ratio of 2: 1 by A component and B component, and the solid content of A component is 70wt%, and the solid content of B component is 85wt%;
A component is formed by the preparation of raw material of following weight part:
Above-mentioned 20 parts of fire-retardant fillers comprise 10.5 parts of ammonium polyphosphates, 5.0 parts of tetramethylolmethanes, 2.0 parts of titanium dioxides and 2.5 parts of carbon blacks,
150# solvent oil, 1-Methoxy-2-propyl acetate and N-BUTYL ACETATE that above-mentioned thinner is 1: 1: 1 by mass ratio form;
B component is formed by the preparation of raw material of following weight part:
Above-mentioned isocyanates solidifying agent is comprised of 33.2 parts of diphenylmethanediisocyanates and 66.4 parts of xylylene diisocyanate-polycaprolactone performed polymers,
150# solvent oil, 1-Methoxy-2-propyl acetate and N-BUTYL ACETATE that above-mentioned thinner is 1: 1: 1 by mass ratio form.
A preparation method for the rubber surface anti-flaming dope of the present embodiment, comprises the following steps:
(1) preparation of A component:
(1.1), by N, two (2-hydroxypropyl) aniline of N-and halogen-free flameproof polyethers POP-290 are placed in baking oven and are dried 12 hours at 120 ℃, then fire-retardant filler is placed in to baking oven and is dried 24 hours at 60 ℃;
(1.2) in an agitator, first add thinner, then add BYK-161 dispersion agent and Yi Shiman CP-343-3 adhesion promoter and stir, add again a part N, two (2-hydroxypropyl) aniline of N-, halogen-free flameproof polyethers POP-290, diethyl ethylphosphate and fire-retardant filler (comprising ammonium polyphosphate, tetramethylolmethane, titanium dioxide and carbon black), mix and blend 45min, stirring velocity is 500r/min, obtains thick mill base;
(1.3) above-mentioned thick mill base is delivered to grinding machine for grinding until granularity is 45 μ m, grinding rate is 2000r/min, milling time is 2.5h, grinding obtains thin mill base by filtration, in thin mill base, add two Lauryl Alcohol esters, Octabenzone, organic bismuth catalyst BiCAT8106, BYK-019 defoamer, BYK-358N flow agent and BYK-410 anti-settling agent, the evenly rear discharging of dispersed with stirring, obtains A component;
(2) preparation of B component: thinner is added in agitator, then in agitator, add diphenylmethanediisocyanate and xylylene diisocyanate-polycaprolactone performed polymer, BYK-024 defoamer and BYK-358N flow agent, after stirring, obtain B component;
(3) preparation of rubber surface anti-flaming dope: above-mentioned A component and B component are mixed and stirred according to the weight ratio of 2: 1, after stirring, obtain rubber surface anti-flaming dope.
Construction technology: process rubber surface with trimerization isocyanuric acid, then spray rubber surface anti-flaming dope prepared by above-mentioned the present embodiment at rubber surface, flame retardant coating is thick is 60 μ m, as follows to the test result of flame retardant coating:
Tensile strength is 5.6MPa; Elongation at break is 184%, and wear(ing)value is that (750g/500r) is 52mg, and sticking power is 0 grade, and vertical combustion grade is V-1 level, and oxygen index is 29, smoke density D
s, Maxbe 210, smoke toxicity CO
2be that 5941, CO is 78; NO
2be 3; SO
2be 4; HCl is 0; HF is 1; HBr is 3; HCN is 2, and smoke toxicity index is 0.036, and the unit of smoke density and smog gaseous constituent is mgm
-3.
Embodiment 3:
A rubber surface anti-flaming dope, this anti-flaming dope is formulated according to the weight ratio of 3: 1 by A component and B component, and the solid content of A component is 80wt%, and the solid content of B component is 75wt%;
A component is formed by the preparation of raw material of following weight part:
Above-mentioned 30 parts of fire-retardant fillers comprise 16.5 parts of ammonium polyphosphates, 7.5 parts of tetramethylolmethanes, 2.5 parts of titanium dioxides and 3.5 parts of carbon blacks,
150# solvent oil, 1-Methoxy-2-propyl acetate and N-BUTYL ACETATE that above-mentioned thinner is 1: 1: 1 by mass ratio form;
B component is formed by the preparation of raw material of following weight part:
Above-mentioned 99.6 parts of isocyanates solidifying agent comprise 49.8 parts of hexamethylene diisocyanate tripolymers and 49.8 parts of isophorone diisocyanate-polytetrahydrofuran performed polymers,
150# solvent oil, 1-Methoxy-2-propyl acetate and N-BUTYL ACETATE that above-mentioned thinner is 1: 1: 1 by mass ratio form.
A preparation method for the rubber surface anti-flaming dope of the present embodiment, comprises the following steps:
(1) preparation of A component:
(1.1) polyaspartic ester and halogen-free flameproof polyethers POP-290 are dried to 12 hours in baking oven at 120 ℃, then fire-retardant filler are placed in to baking oven and are dried 24 hours at 60 ℃;
(1.2) in an agitator, first add thinner, then add BYK-2000 dispersion agent and Yi Shiman CP-343-1 adhesion promoter and stir, add again polyaspartic ester, halogen-free flameproof polyethers POP-290, dimethyl methyl phosphonate and fire-retardant filler (comprising ammonium polyphosphate, tetramethylolmethane, titanium dioxide and carbon black), mix and blend 45min, stirring velocity is 600r/min, obtains thick mill base;
(1.3) above-mentioned thick mill base is delivered to grinding machine for grinding until granularity is 30 μ m, grinding rate is 1900r/min, milling time is 2h, grinding obtains thin mill base by filtration, in thin mill base, add two Lauryl Alcohol esters, Octabenzone, organic bismuth catalyst BiCAT8106, BYK-028 defoamer, BYK-358N flow agent and 0.1 portion of BYK-410 anti-settling agent, the evenly rear discharging of dispersed with stirring, obtains A component;
(2) preparation of B component: thinner is added in agitator, then add hexamethylene diisocyanate tripolymer and naphthalene diisocyanate-polytetrahydrofuran performed polymer, BYK-019 defoamer and BYK-359 flow agent in agitator, after stirring, obtain B component;
(3) preparation of rubber surface anti-flaming dope: above-mentioned A component and B component are mixed and stirred according to the weight ratio of 3: 1, after stirring, obtain rubber surface anti-flaming dope.
Construction technology: process rubber surface with trimerization isocyanuric acid, then spray rubber surface anti-flaming dope prepared by above-mentioned the present embodiment at rubber surface, flame retardant coating is thick is 42 μ m, as follows to the test result of flame retardant coating:
Tensile strength is 6.2MPa, and elongation at break is 165%, and wear(ing)value is that (750g/500r) is 47mg, and sticking power is 0 grade, and vertical combustion grade is V-0 level, and oxygen index is 31, smoke density D
s, Maxbe 191, smoke toxicity CO
2be that 4438, CO is 51, NO
2be 3, SO
2be that 2, HCl is that 0, HF is that 0, HBr is that 3, HCN is 2, smoke toxicity index is 0.035, and the unit of smoke density and smog gaseous constituent is mgm
-3.
Embodiment 4:
A rubber surface anti-flaming dope, this anti-flaming dope is formulated according to the weight ratio of 4: 1 by A component and B component, and the solid content of A component is 80wt%, and the solid content of B component is 70wt%;
A component is formed by the preparation of raw material of following weight part:
Above-mentioned 30 parts of fire-retardant fillers comprise 15.5 parts of ammonium polyphosphates, 10.5 parts of tetramethylolmethanes, 1.5 parts of titanium dioxides and 2.5 parts of carbon blacks,
150# solvent oil, 1-Methoxy-2-propyl acetate and N-BUTYL ACETATE that above-mentioned thinner is 1: 1: 1 by mass ratio form;
B component is formed by the preparation of raw material of following weight part:
Above-mentioned 99.6 parts of isocyanates solidifying agent comprise 74.7 parts of diphenylmethanediisocyanates and 24.9 parts of xylylene diisocyanate-polycarbonate performed polymers,
150# solvent oil, 1-Methoxy-2-propyl acetate and N-BUTYL ACETATE that above-mentioned thinner is 1: 1: 1 by mass ratio form.
A preparation method for the rubber surface anti-flaming dope of the present embodiment, comprises the following steps:
(1) preparation of A component:
(1.1) trihydroxy methyl propane and halogen-free flameproof polyethers POP-290 are placed in to baking oven at 120 ℃ dry 12 hours, then fire-retardant filler are placed in to baking oven at 60 ℃ dry 24 hours;
(1.2) in an agitator, first add thinner, then add BYK-163 dispersion agent and Yi Shiman CP-343-3 adhesion promoter and stir, add again trihydroxy methyl propane, halogen-free flameproof polyethers POP-290, dimethyl methyl phosphonate and fire-retardant filler (comprising ammonium polyphosphate, tetramethylolmethane, titanium dioxide and carbon black), mix and blend 30min, stirring velocity is 500r/min, obtains thick mill base;
(1.3) above-mentioned thick mill base is delivered to grinding machine for grinding until granularity is 40 μ m, grinding rate is 1900r/min, milling time is 2.5h, grinding obtains thin mill base by filtration, in thin mill base, add 2,6-di-tert-butyl-4-methy phenol, Octabenzone, organic bismuth catalyst BiCAT8106, BYK-028 defoamer, BYK-358N flow agent and BYK-405 anti-settling agent, the evenly rear discharging of dispersed with stirring, obtains A component;
(2) preparation of B component: thinner is added in agitator, then to adding diphenylmethanediisocyanate and xylylene diisocyanate-polycarbonate performed polymer, BYK-024 defoamer and BYK-356 flow agent containing in the agitator of thinner, after stirring, obtain B component;
(3) preparation of rubber surface anti-flaming dope: above-mentioned A component and B component are mixed and stirred according to the weight ratio of 4: 1, after stirring, obtain rubber surface anti-flaming dope.
Construction technology: process rubber surface with trimerization isocyanuric acid, then spray rubber surface anti-flaming dope prepared by above-mentioned the present embodiment at rubber surface, flame retardant coating is thick is 58 μ m, as follows to the test result of flame retardant coating:
Tensile strength is 6.5MPa, and elongation at break is 136%, and wear(ing)value is that (750g/500r) is 35mg, and sticking power is 0 grade, and vertical combustion grade is V-0 level, and oxygen index is 33, smoke density D
s, Maxbe 140, smoke toxicity CO
2be that 4035, CO is 40, NO
2be 3, SO
2be that 2, HCl is that 0, HF is that 0, HBr is that 3, HCN is 2, smoke toxicity index is 0.031, and the unit of smoke density and smog gaseous constituent is mgm
-3.
Embodiment 5:
A rubber surface anti-flaming dope, this anti-flaming dope is formulated according to the weight ratio of 3: 1 by A component and B component, and the solid content of A component is 70wt%, and the solid content of B component is 80wt%;
A component is formed by the preparation of raw material of following weight part:
Above-mentioned 19 parts of fire-retardant fillers comprise 10.5 parts of ammonium polyphosphates, 3.5 parts of tetramethylolmethanes, 2.5 parts of titanium dioxides and 2.5 parts of carbon blacks,
150# solvent oil, 1-Methoxy-2-propyl acetate and N-BUTYL ACETATE that above-mentioned thinner is 1: 1: 1 by mass ratio form;
B component is formed by the preparation of raw material of following weight part:
Above-mentioned 99.6 parts of isocyanates solidifying agent comprise 66.4 parts of hexamethylene diisocyanate tripolymers and 33.2 parts of naphthalene diisocyanate-polytetrahydrofuran performed polymers,
150# solvent oil, 1-Methoxy-2-propyl acetate and N-BUTYL ACETATE that above-mentioned thinner is 1: 1: 1 by mass ratio form.
A preparation method for the rubber surface anti-flaming dope of the present embodiment, comprises the following steps:
(1) preparation of A component:
(1.1) polyaspartic ester and halogen-free flameproof polyethers POP-290 are placed in to baking oven at 120 ℃ dry 12 hours, then fire-retardant filler are placed in to baking oven at 60 ℃ dry 24 hours;
(1.2) in an agitator, first add thinner, then add BYK-161 dispersion agent and Yi Shiman CP-343-1 adhesion promoter and stir, add again polyaspartic ester, halogen-free flameproof polyethers POP-290, diethyl ethylphosphate and fire-retardant filler (comprising ammonium polyphosphate, tetramethylolmethane, titanium dioxide and carbon black), remix stirs 30min, stirring velocity is 450r/min, obtains thick mill base;
(1.3) above-mentioned thick mill base is delivered to grinding machine for grinding until granularity is 35 μ m, grinding rate is 1800r/min, milling time is 2.5h, grinding obtains thin mill base by filtration, in thin mill base, add two Lauryl Alcohol esters, Octabenzone, organotin catalysts, BYK-028 defoamer, BYK-359 flow agent and BYK-410 anti-settling agent, the evenly rear discharging of dispersed with stirring, obtains A component;
(2) preparation of B component: thinner is added in agitator, then to adding hexamethylene diisocyanate tripolymer and naphthalene diisocyanate-polytetrahydrofuran performed polymer, BYK-024 defoamer and BYK-358N flow agent containing in the agitator of thinner, after stirring, obtain B component;
(3) preparation of rubber surface anti-flaming dope: above-mentioned A component and B component are mixed and stirred according to the weight ratio of 3: 1, after stirring, obtain rubber surface anti-flaming dope.
Construction technology: process rubber surface with trimerization isocyanuric acid, then spray rubber surface anti-flaming dope prepared by above-mentioned the present embodiment at rubber surface, flame retardant coating is thick is 60 μ m, as follows to the test result of flame retardant coating:
Tensile strength is 5.6MPa, and elongation at break is 174%, and wear(ing)value is that (750g/500r) is 54mg, and sticking power is 0 grade, and vertical combustion grade is V-1 level, and oxygen index is 29, smoke density D
s, Maxbe 222, smoke toxicity CO
2be that 8426, CO is 105, NO
2be 5, SO
2be that 5, HCl is that 3, HF is that 1, HBr is that 5, HCN is 2, smoke toxicity index is 0.037, and the unit of smoke density and smog gaseous constituent is mgm
-3.
Embodiment 6:
A rubber surface anti-flaming dope, this anti-flaming dope is formulated according to the weight ratio of 2: 1 by A component and B component, and the solid content of A component is 65wt%, and the solid content of B component is 85wt%;
A component is formed by the preparation of raw material of following weight part:
Above-mentioned 25 parts of fire-retardant fillers comprise 15.5 parts of ammonium polyphosphates, 4.5 parts of tetramethylolmethanes, 2.5 parts of titanium dioxides and 2.5 parts of carbon blacks,
150# solvent oil, 1-Methoxy-2-propyl acetate and N-BUTYL ACETATE that above-mentioned thinner is 1: 1: 1 by mass ratio form;
B component is formed by the preparation of raw material of following weight part:
Above-mentioned 99.6 parts of isocyanates solidifying agent comprise 24.9 parts of diphenylmethanediisocyanates and 74.7 parts of xylylene diisocyanate-polytetrahydrofuran performed polymers,
150# solvent oil, 1-Methoxy-2-propyl acetate and N-BUTYL ACETATE that above-mentioned thinner is 1: 1: 1 by mass ratio form.
A preparation method for the rubber surface anti-flaming dope of the present embodiment, comprises the following steps:
(1) preparation of A component:
(1.1) trolamine and halogen-free flameproof polyethers POP-290 are placed in to baking oven at 120 ℃ dry 12 hours, then fire-retardant filler are placed in to baking oven at 60 ℃ dry 24 hours;
(1.2) in an agitator, first add thinner, then add BYK-163 dispersion agent and Yi Shiman CP-343-1 adhesion promoter and stir, add again trolamine, halogen-free flameproof polyethers POP-290, dimethyl methyl phosphonate and fire-retardant filler (comprising ammonium polyphosphate, tetramethylolmethane, titanium dioxide and carbon black), mix and blend 30min, stirring velocity is 500r/min, obtains thick mill base;
(1.3) above-mentioned thick mill base is delivered to grinding machine for grinding until granularity is 40 μ m, grinding rate is 1800r/min, milling time is 2h, grinding obtains thin mill base by filtration, in thin mill base, add 2,6-di-tert-butyl-4-methy phenol, Octabenzone, organic bismuth catalyst BiCAT8106, BYK-019 defoamer, BYK-356 flow agent and BYK-410 anti-settling agent, the evenly rear discharging of dispersed with stirring, obtains A component;
(2) preparation of B component: thinner is added in agitator, then to adding diphenylmethanediisocyanate and xylylene diisocyanate-polytetrahydrofuran performed polymer, BYK-019 defoamer and BYK-356 flow agent containing in the agitator of thinner, after stirring, obtain B component;
(3) preparation of rubber surface anti-flaming dope: above-mentioned A component and B component are mixed and stirred according to the weight ratio of 2: 1, after stirring, obtain rubber surface anti-flaming dope.
Construction technology: process rubber surface with trimerization isocyanuric acid, then spray rubber surface anti-flaming dope prepared by above-mentioned the present embodiment at rubber surface, flame retardant coating is thick is 53 μ m, as follows to the test result of flame retardant coating:
Tensile strength is 4.8MPa, and elongation at break is 231%, and wear(ing)value is that (750g/500r) is 65mg, and sticking power is 0 grade, and vertical combustion grade is V-0 level, and oxygen index is 30, smoke density D
s, Maxbe 187, smoke toxicity CO
2be that 6241, CO is 67, NO
2be 4, SO
2be that 3, HCl is that 2, HF is that 0, HBr is that 3, HCN is 2, smoke toxicity index is 0.035, and the unit of smoke density and smog gaseous constituent is mgm
-3.
In the above preferred embodiment of the present invention, rubber surface anti-flaming dope of the present invention is A/B two-component coating, and tensile strength is 4.8MPa～6.5MPa, and elongation at break is 136%～231%, and oxygen index is 29～33, has low-smoke low-toxicity (smoke density index D
s, Maxbe 140～222, smoke toxicity index 0.031～0.037) etc. characteristic, is the environment-friendly rubber anti-flaming dope of a kind of snappiness, low cigarette, low toxicity; Anti-flaming dope of the present invention guarantees that in the situation that not reducing mechanical property it has highly effective flame-retardant effect, and good weatherability, long service life, its weathering resistance is more than 1000h, having saved maintenance cost, is the elastic flame coating that desirable rubber-metal subtracts vibration insolation means.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is also not only confined to above-described embodiment, and all technical schemes belonging under thinking of the present invention all belong to protection scope of the present invention.Be noted that for those skilled in the art, improvements and modifications under the premise without departing from the principles of the invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a rubber surface anti-flaming dope, is characterized in that, described rubber surface anti-flaming dope by A component and B component according to 2～4: 1 weight ratio is formulated;
Described A component is formed by the preparation of raw material of thinner and following weight part:
The solid content of described A component is 60%～80%, and in described A component, each parts by weight of raw materials summation except thinner is 100 parts;
Described B component is formed by the preparation of raw material of thinner and following weight part:
95.5～99.6 parts, isocyanates solidifying agent, and
0.4～4.5 part of other auxiliary agent,
The solid content of described B component is 70%～85%, and in described B component, each parts by weight of raw materials summation except thinner is 100 parts.
2. rubber surface anti-flaming dope according to claim 1, it is characterized in that, described chainextender is polyaspartic ester, quinhydrones-bis-(beta-hydroxyethyl) ether, trihydroxy methyl propane, trolamine, N, one or more in two (2-hydroxypropyl) aniline of N-, diethyl toluene diamine; Described halogen-free flameproof polyethers is nitrogenous halogen-free flameproof polyethers, and described fire-retardant filler is one or more in ammonium polyphosphate, tetramethylolmethane, trimeric cyanamide, magnesium hydroxide, aluminium hydroxide, titanium dioxide, carbon black; Described liquid flame retardant is phosphorus flame retardant, and described phosphorus flame retardant comprises dimethyl methyl phosphonate or diethyl ethylphosphate.
3. rubber surface anti-flaming dope according to claim 1, is characterized in that, described UV light absorber is 2-(2 '-hydroxyl-3 ', 5 '-di-tert-butyl-phenyl)-5-chlorinated benzotriazole or Octabenzone; Described radical polymerization inhibitor is two Lauryl Alcohol esters or 2,6 di tert butyl 4 methyl phenol; Described catalyzer is organotin catalysts or organic bismuth catalyst.
4. rubber surface anti-flaming dope according to claim 1, is characterized in that, described dispersion agent is one or more in BYK-161 dispersion agent, BYK-163 dispersion agent, BYK-2000 dispersion agent; Described adhesion promoter is Yi Shiman CP-343-1 and/or Yi Shiman CP-343-3.
5. rubber surface anti-flaming dope according to claim 1, is characterized in that, described isocyanates solidifying agent is that 3～1: 1～3 isocyanate-monomer or isocyanic ester polymer and isocyanic ester performed polymer form by mass ratio; Described isocyanic ester performed polymer is that isocyanate-monomer and polyether glycol or polyester polyol are polymerized.
6. rubber surface anti-flaming dope according to claim 5, it is characterized in that, described isocyanic ester polymer comprises hexamethylene diisocyanate tripolymer, described isocyanate-monomer comprises xylylene diisocyanate, isophorone diisocyanate, naphthalene diisocyanate or diphenylmethanediisocyanate, and described polyether glycol comprises polytetrahydrofuran and/or poly(propylene oxide); Described polyester polyol comprises polycarbonate and/or polycaprolactone.
7. rubber surface anti-flaming dope according to claim 1, is characterized in that, described other auxiliary agent is one or more in defoamer, flow agent, anti-settling agent; Described defoamer is one or more in BYK-019 defoamer, BYK-024 defoamer, BYK-028 defoamer; Described flow agent is one or more in BYK-356 flow agent, BYK-358N flow agent, BYK-359 flow agent; Described anti-settling agent is one or more in BYK-410 anti-settling agent, BYK-430 anti-settling agent, BYK-405 anti-settling agent.
8. according to the rubber surface anti-flaming dope described in any one in claim 1～7, it is characterized in that, described thinner is the mixture of 150# solvent oil, 1-Methoxy-2-propyl acetate and N-BUTYL ACETATE.
9. a preparation method for the rubber surface anti-flaming dope as described in any one in claim 1～8, comprises the following steps:
(1) preparation of A component: thinner, dispersion agent and adhesion promoter are mixed and stirred, then in gained mixture, add chainextender, halogen-free flameproof polyethers, liquid flame retardant and fire-retardant filler, after mix and blend, obtain thick mill base, thick mill base is ground to granularity≤50 μ m, obtains thin mill base, in thin mill base, add radical polymerization inhibitor, UV light absorber, catalyzer and other auxiliary agent, dispersed with stirring is even, obtains A component;
(2) preparation of B component: isocyanates solidifying agent and other auxiliary agent are added in thinner and stirred, obtain B component;
(3) preparation of rubber surface anti-flaming dope: above-mentioned A component and B component are mixed and stirred, obtain rubber surface anti-flaming dope.
10. preparation method according to claim 9, it is characterized in that, in step (1), the time of described mix and blend is 30min～45min, the speed of mix and blend is 450r/min～600r/min, the speed of described grinding is 1800r/min～2000r/min, and the time of grinding is 2h～2.5h.
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| CN103756546A (en) * | 2014-01-08 | 2014-04-30 | 株洲时代新材料科技股份有限公司 | Inflaming retarding coating and application thereof |
| CN104073147A (en) * | 2014-07-29 | 2014-10-01 | 上海瑞义聚氨酯科技有限公司 | Anechoic tile skin coating material and preparation method thereof |
| CN104341580A (en) * | 2014-11-11 | 2015-02-11 | 李开成 | Spraying elastomer with high mechanical property |
| CN104449263A (en) * | 2014-12-18 | 2015-03-25 | 江苏柏鹤涂料有限公司 | Reactive halogen-free flame retardant polyester paint |
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| CN107663405A (en) * | 2017-09-23 | 2018-02-06 | 镇江市太浪新材料科技有限公司 | A kind of anti-flaming dope |
| CN109265975A (en) * | 2018-08-07 | 2019-01-25 | 山东科技大学 | A kind of fire-retardant two-component wall surface material of high resiliency and preparation method |
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| CN104341580A (en) * | 2014-11-11 | 2015-02-11 | 李开成 | Spraying elastomer with high mechanical property |
| CN104449263A (en) * | 2014-12-18 | 2015-03-25 | 江苏柏鹤涂料有限公司 | Reactive halogen-free flame retardant polyester paint |
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| CN107353803A (en) * | 2017-08-16 | 2017-11-17 | 辽宁科隆精细化工股份有限公司 | A kind of high-efficiency fireproof polyurethane coating material and preparation method thereof |
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| CN107663405A (en) * | 2017-09-23 | 2018-02-06 | 镇江市太浪新材料科技有限公司 | A kind of anti-flaming dope |
| CN109265975A (en) * | 2018-08-07 | 2019-01-25 | 山东科技大学 | A kind of fire-retardant two-component wall surface material of high resiliency and preparation method |
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