CN101955711B - Quick-drying water-based damping paint and preparation method thereof - Google Patents

Quick-drying water-based damping paint and preparation method thereof Download PDF

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CN101955711B
CN101955711B CN 201010281635 CN201010281635A CN101955711B CN 101955711 B CN101955711 B CN 101955711B CN 201010281635 CN201010281635 CN 201010281635 CN 201010281635 A CN201010281635 A CN 201010281635A CN 101955711 B CN101955711 B CN 101955711B
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drying
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CN101955711A (en
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郭焱
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Qingdao Air++ New Materials Co ltd
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QINGDAO AIR++ NEW MATERIALS CO Ltd
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Abstract

The invention provides a quick-drying water-based damping paint which is made by mixing an emulsion A and an emulsion B. The emulsion A takes a water-based emulsion as a main agent, and then sheet-shaped mica powder, an inorganic filler and assistants are added, wherein the water-based emulsion is one or more of pure acrylic emulsion, polyvinyl alcohol and water-based asphalt, the inorganic filler is one or more of light calcium carbonate, bentonite and silica fume powder, and the assistants comprise a flame retardant, a dispersant, a defoamer, a mildew preventive and a thickener; and the emulsion B comprises a demulsifier, a drier and water. The quick-drying water-based damping paint of the invention can effectively increase the drying speed of the water-based damping material and has a higher damping loss factor; and when being applied to vibration substrates, the quick-drying water-based damping paint has the advantages of quick drying, favorable substrate attachment property, high strength, favorable weather resistance and prominent damping effect.

Description

A kind of quick-drying water-based damping paint and preparation method thereof
Technical field
The present invention relates to a kind of aqueous damping coating and preparation method thereof, be specifically related to a kind of quick-drying water-based damping paint and preparation method thereof, belong to the chemistry painting industry technical field.
Background technology
Damping material is a kind of new function material that can absorb vibration mechanical energy.Various mechanical means all can produce vibration and noise in various degree in running and working process, the damping shock-absorbing noise-reducing technology is one of method of effectively control vibration and noise.Macromolecular material is because its distinctive visco-elasticity, can be converted to heat energy to mechanical vibrational energy and dissipates, thereby be widely used as damping paint.At present, both at home and abroad the damping paint kind is more, but comes minute to mainly contain two kinds on solvent-borne type and water-based type from the solvent of coating.The former contains organic solvent mostly, and toxicity is high, volatility is large, contaminate environment, application property are poor, now less use; Latter's damping paint has low toxicity and hangs down ignorant, low-cost, the easy construction of gas, the feature of environmental protection take water as solvent, is the first-selected product that city rail vehicle is used damping paint.Water-borne coatings possesses low pollution, easily stores, the advantage of the aspects such as environmental protection, safety, but grow (generally about 36 hours) time of drying of water-borne coatings, limited its application and development.
Patent No. ZL200710034795.8, denomination of invention is a kind of quick-dry type high-damping oil damper paint and preparation method thereof, this coating possesses good quick-drying and high damping properties, but does not have advantages of aqueous damping coating aspect Environment protection and safety.Therefore, develop a kind of can rapid drying, high strength, good to the base material adhesion property, the aqueous damping coating with good weatherability properties and outstanding damping characteristic is the technical problem that needs to be resolved hurrily.
Summary of the invention
Deficiency for the prior art existence, technical problem to be solved by this invention is, provide a kind of quick-drying water-based damping paint with its preparation method, be mainly used in vibrating base material, damping paint can rapid drying, high strength, good to the base material adhesion property, and have good weatherability properties and outstanding damping shock absorption effect.
For solving the problems of the technologies described above, the technical solution used in the present invention is, a kind of quick-drying water-based damping paint is evenly mixed by weight 4: 1 by A, two kinds of emulsions of B, wherein:
The weight part proportioning of each component is in the A emulsion: 100 parts of water-based emulsions, flaky mica powder 70-90 part, mineral filler 20-50 part, auxiliary agent 15-25 part; Described water-based emulsion is one or more in pure-acrylic emulsion, polyvinyl alcohol and the soluble asphalt; Described mineral filler is one or more in light calcium carbonate, wilkinite and the wollastonite powder; Described auxiliary agent comprises fire retardant, aqueous dispersant, water-based defoamer, mould inhibitor and thickening material;
The B emulsion comprises the component of following weight part: 0.5-2.0 part emulsion splitter, 1.0-2.0 part siccative and 5-10 part water.
Above-mentioned quick-drying water-based damping paint, the granularity of the flaky mica powder in its described A emulsion is the 100-200 order.
Above-mentioned quick-drying water-based damping paint also comprises 5-15 part water-soluble cross-linker in its described B emulsion.
The preparation method of above-mentioned quick-drying water-based damping paint comprises following content:
(1) preparation of A emulsion:
The water-based emulsion high-speed stirring of formula ratio is even, and then flaky mica powder, the mineral filler with formula ratio is mixed to join in the water-based emulsion; Adding fire retardant, aqueous dispersant, water-based defoamer, mould inhibitor stirs again; At last, add the thickening material adjusting viscosity;
(2) preparation of B emulsion:
Mix according to prescription each component with the B emulsion, stir;
(3) A emulsion and B emulsion were mixed by weight 4: 1 get final product;
Described prescription is:
The weight part proportioning of each component is in the A emulsion: 100 parts of water-based emulsions, flaky mica powder 70-90 part, mineral filler 20-50 part, auxiliary agent 15-25 part; Described water-based emulsion is one or more in pure-acrylic emulsion, polyvinyl alcohol and the soluble asphalt; Described mineral filler is one or more in light calcium carbonate, wilkinite and the wollastonite powder; Described auxiliary agent comprises fire retardant, aqueous dispersant, water-based defoamer, mould inhibitor and thickening material; The B emulsion comprises the component of following weight part: 0.5-2.0 part emulsion splitter, 1.0-2.0 part siccative, 5-10 part water.
Quick-drying water-based damping paint of the present invention adds emulsion splitter and siccative, and rate of drying that can Effective Raise aqueous damping material possesses higher damping loss factor simultaneously.Quick-drying water-based damping paint of the present invention is applied to vibrate base material, can rapid drying, and good to the adhesion property of base material, intensity is high, has superior weathering resistance and outstanding damping shock absorption effect.
Embodiment
Embodiment 1
The quick-drying water-based damping paint of the present embodiment is comprised of by following weight part A, two kinds of emulsions of B:
The water-based emulsion that A mixes to form with 60 parts of pure-acrylic emulsions and 40 parts of polyvinyl alcohol adds 80 part of 100 order flaky mica powder, 40 parts of light calcium carbonates as host; Auxiliary agent comprises 20 parts of fire retardants, 0.5 part of aqueous dispersant, 0.5 part of water-based defoamer, 1.0 parts of mould inhibitors and 0.8 part of thickening material.
B comprises 1.2 parts of emulsion splitters, 1.0 parts of siccative, 10 parts of water and 5 parts of water-soluble cross-linkers.
The preparation method of the quick-drying water-based damping paint of the present embodiment comprises following content:
(1) preparation of A:
With 60 parts of pure-acrylic emulsions mix with 40 parts of polyvinyl alcohol after high-speed stirring even, be mixed with the water-based emulsion that accounts for 100 parts of gross weights; Then, 80 part of 100 order flaky mica powder, 40 parts of light calcium carbonates are mixed to join in the water-based emulsion; Adding 20 parts of fire retardants, 0.5 part of aqueous dispersant, 0.5 part of water-based defoamer, 1.0 parts of mould inhibitors stirs again; At last, add 0.8 part of thickening material adjusting viscosity.
(2) preparation of B:
1.2 parts of emulsion splitters, 1.0 parts of siccative, 10 parts of water, 5 parts of water-soluble cross-linkers are mixed, stir.
(3) A mixes with B:
A emulsion and B emulsion were mixed by weight 4: 1, can use.
Detect the present embodiment gained coating according to GB/T 16406-1996, detected result sees Table 1.
The damping capacity of table 1 coating
Performance index Detected result
tanδ(min) 0.4
tanδ(max) 1.2
Tg(℃) 38.3
Time of drying (surface drying/h) 1.5
Time of drying (do solid work/h) 3
As shown in Table 1, the prepared aqueous damping coating of technique scheme has good damping capacity.
Embodiment 2
The quick-drying water-based damping paint of the present embodiment is comprised of A, two kinds of emulsions of B:
The water-based emulsion that A mixes with 30 parts of polyvinyl alcohol and 70 parts of soluble asphalts adds 90 part of 150 order flaky mica powder, 20 parts of wollastonite powders as host; Auxiliary agent comprises 15 parts of fire retardants, 0.6 part of aqueous dispersant, 0.5 part of water-based defoamer, 1.0 parts of mould inhibitors and 1.0 parts of thickening materials.
B comprises 1.0 parts of emulsion splitters, 1.0 parts of siccative, 5 parts of water and 15 parts of water-soluble cross-linkers.
The preparation method of the quick-drying water-based damping paint of the present embodiment comprises following content:
(1) preparation of A:
With 30 parts of polyvinyl alcohol mix with 70 parts of soluble asphalts after high-speed stirring even, be mixed with the water-based emulsion that accounts for 100 parts of gross weights; Then, 90 part of 150 order flaky mica powder, 20 parts of wollastonite powders are mixed to join in the water-based emulsion; Adding 15 parts of fire retardants, 0.6 part of aqueous dispersant, 0.5 part of water-based defoamer, 1.0 parts of mould inhibitors stirs again; At last, add 1.0 parts of thickening material adjusting viscosities.
(2) preparation of B:
1.0 parts of emulsion splitters, 1.0 parts of siccative, 5 parts of water, 15 parts of water-soluble cross-linkers are mixed, stir.
(3) A mixes with B:
A emulsion and B emulsion were mixed by weight 4: 1, can use.
Detect the present embodiment gained coating according to GB/T 16406-1996, detected result sees Table 2.
The damping capacity of table 2 coating
Performance index Detected result
tanδ(min) 0.3
tanδ(max) 1.4
Tg(℃) 40.4
Time of drying (surface drying/h) 2
Time of drying (do solid work/h) 4
As shown in Table 2, the prepared aqueous damping coating of technique scheme has good damping capacity.
Embodiment 3
The quick-drying water-based damping paint of the present embodiment is comprised of A, two kinds of emulsions of B:
The water-based emulsion that A mixes with 50 parts of pure-acrylic emulsions, 30 parts of polyvinyl alcohol and 20 parts of soluble asphalts adds 70 part of 200 order flaky mica powder, 30 parts of light calcium carbonates and 20 parts of wilkinites as host; Auxiliary agent comprises 18 parts of fire retardants, 0.5 part of dispersion agent, 0.5 part of defoamer, 1.0 parts of mould inhibitors and 0.6 part of thickening material.
B comprises 0.5 part of emulsion splitter, 1.2 parts of siccative, 5 parts of water and 15 parts of water-soluble cross-linkers.
The preparation method of the quick-drying water-based damping paint of the present embodiment comprises following content:
(1) preparation of A:
High-speed stirring was even after 50 parts of pure-acrylic emulsions, 30 parts of polyvinyl alcohol were mixed with 20 parts of soluble asphalts, was mixed with the water-based emulsion that accounts for 100 parts of gross weights; Then, 70 part of 200 order flaky mica powder, 30 parts of light calcium carbonates and 20 parts of wilkinites are mixed to join in the water-based emulsion; Add 18 parts of fire retardants, 0.5 part of dispersion agent, 0.5 part of defoamer, 1.0 parts of mould inhibitors stir again; At last, add 0.6 part of thickening material adjusting viscosity.
(2) preparation of B:
0.5 part of emulsion splitter, 1.2 parts of siccative, 5 parts of water, 15 parts of water-soluble cross-linkers are mixed, stir.
(3) A mixes with B:
A emulsion and B emulsion were mixed by weight 4: 1, can use.
Detect the present embodiment gained coating according to GB/T 16406-1996, detected result sees Table 3.
The damping capacity of table 3 coating
Performance index Detected result
tanδ(min) 0.5
tanδ(max) 0.5
Tg(℃) 42.6
Time of drying (surface drying/h) 1.5
Time of drying (do solid work/h) 3
As shown in Table 3, the prepared aqueous damping coating of technique scheme has good damping capacity.
Embodiment 4
The quick-drying water-based damping paint of the present embodiment is comprised of A, two kinds of emulsions of B:
The water-based emulsion that A mixes with 50 parts of pure-acrylic emulsions, 30 parts of polyvinyl alcohol and 20 parts of soluble asphalts adds 70 part of 200 order flaky mica powder, 30 parts of light calcium carbonates and 20 parts of wilkinites as host; Auxiliary agent comprises 12 parts of fire retardants, 0.5 part of dispersion agent, 0.5 part of defoamer, 1.0 parts of mould inhibitors and 1.0 parts of thickening materials.
B comprises 2.0 parts of emulsion splitters, 2.0 parts of siccative, 5 parts of water and 5 parts of water-soluble cross-linkers.
The preparation method of the quick-drying water-based damping paint of the present embodiment comprises following content:
(1) preparation of A:
High-speed stirring was even after 50 parts of pure-acrylic emulsions, 30 parts of polyvinyl alcohol were mixed with 20 parts of soluble asphalts, was mixed with the water-based emulsion that accounts for 100 parts of gross weights; Then, 70 part of 200 order flaky mica powder, 30 parts of light calcium carbonates and 20 parts of wilkinites are mixed to join in the water-based emulsion; Add 12 parts of fire retardants, 0.5 part of dispersion agent, 0.5 part of defoamer, 1.0 parts of mould inhibitors stir again; At last, add 1.0 parts of thickening material adjusting viscosities.
(2) preparation of B:
2.0 parts of emulsion splitters, 2.0 parts of siccative, 5 parts of water, 5 parts of water-soluble cross-linkers are mixed, stir.
(3) A mixes with B:
A emulsion and B emulsion were mixed by weight 4: 1, can use.
Detect the present embodiment gained coating according to GB/T 16406-1996, detected result sees Table 4.
The damping capacity of table 4 coating
Performance index Detected result
tanδ(min) 0.4
tanδ(max) 1.7
Tg(℃) 42.4
Time of drying (surface drying/h) 2
Time of drying (do solid work/h) 4
As shown in Table 4, the prepared aqueous damping coating of technique scheme has good damping capacity.
Embodiment 5
The quick-drying water-based damping paint of the present embodiment is comprised of A, two kinds of emulsions of B:
The water-based emulsion that A mixes with 30 parts of polyvinyl alcohol and 70 parts of soluble asphalts adds 90 part of 150 order flaky mica powder, 20 parts of wollastonite powders as host; Auxiliary agent comprises 21 parts of fire retardants, 1.0 parts of aqueous dispersants, 1.0 parts of water-based defoamers, 1.0 parts of mould inhibitors and 1.0 parts of thickening materials.
B comprises 1.0 parts of emulsion splitters, 1.0 parts of siccative, 5 parts of water and 15 parts of water-soluble cross-linkers.
The preparation method of the quick-drying water-based damping paint of the present embodiment comprises following content:
(1) preparation of A:
With 30 parts of polyvinyl alcohol mix with 70 parts of soluble asphalts after high-speed stirring even, be mixed with the water-based emulsion that accounts for 100 parts of gross weights; Then, 90 part of 150 order flaky mica powder, 20 parts of wollastonite powders are mixed to join in the water-based emulsion; Adding 21 parts of fire retardants, 1.0 parts of aqueous dispersants, 1.0 parts of water-based defoamers, 1.0 parts of mould inhibitors stirs again; At last, add 1.0 parts of thickening material adjusting viscosities.
(2) preparation of B:
1.0 parts of emulsion splitters, 1.0 parts of siccative, 5 parts of water, 15 parts of water-soluble cross-linkers are mixed, stir.
(3) A mixes with B:
A emulsion and B emulsion were mixed by weight 4: 1, can use.
Detect the present embodiment gained coating according to GB/T 16406-1996, detected result sees Table 5.
The damping capacity of table 5 coating
Performance index Detected result
tanδ(min) 0.3
tanδ(max) 1.6
Tg(℃) 40.4
Time of drying (surface drying/h) 1.5
Time of drying (do solid work/h) 4
As shown in Table 5, the prepared aqueous damping coating of technique scheme has good damping capacity.
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment does, still belongs to the protection domain of technical solution of the present invention according to technical spirit of the present invention.

Claims (4)

1. a quick-drying water-based damping paint is evenly mixed by weight 4: 1 by A, two kinds of emulsions of B, wherein:
The weight part proportioning of each component is in the A emulsion: 100 parts of water-based emulsions, flaky mica powder 70-90 part, mineral filler 20-50 part, auxiliary agent 15-25 part; Described water-based emulsion is one or more in pure-acrylic emulsion, polyvinyl alcohol and the soluble asphalt; Described mineral filler is one or more in light calcium carbonate, wilkinite and the wollastonite powder; Described auxiliary agent comprises fire retardant, aqueous dispersant, water-based defoamer, mould inhibitor and thickening material;
The B emulsion comprises the component of following weight part: 0.5-2.0 part emulsion splitter, 1.0-2.0 part siccative and 5-10 part water.
2. quick-drying water-based damping paint according to claim 1, the granularity of the flaky mica powder in its described A emulsion is the 100-200 order.
3. quick-drying water-based damping paint according to claim 1 also comprises 5-15 part water-soluble cross-linker in its described B emulsion.
4. the preparation method of a quick-drying water-based damping paint claimed in claim 1 comprises following content:
(1) preparation of A emulsion:
The water-based emulsion high-speed stirring of formula ratio is even, and then flaky mica powder, the mineral filler with formula ratio is mixed to join in the water-based emulsion; Adding fire retardant, aqueous dispersant, water-based defoamer, mould inhibitor stirs again; At last, add the thickening material adjusting viscosity;
(2) preparation of B emulsion:
Mix according to prescription each component with the B emulsion, stir;
(3) A emulsion and B emulsion were mixed by weight 4: 1 get final product.
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CN106609082A (en) * 2015-10-24 2017-05-03 洪其祥 Quick-dry non-toxic coating
CN107057429A (en) * 2017-03-02 2017-08-18 福州外语外贸学院 A kind of environmentally friendly rapid-curing cutback coating and preparation method thereof

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