CN108587438A - A kind of antiknock energy-absorbing coating material, preparation method and applications - Google Patents
A kind of antiknock energy-absorbing coating material, preparation method and applications Download PDFInfo
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- CN108587438A CN108587438A CN201810480630.1A CN201810480630A CN108587438A CN 108587438 A CN108587438 A CN 108587438A CN 201810480630 A CN201810480630 A CN 201810480630A CN 108587438 A CN108587438 A CN 108587438A
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- component
- absorbing coating
- coating material
- antiknock
- antiknock energy
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
- B05D7/26—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials synthetic lacquers or varnishes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to a kind of antiknock energy-absorbing coating material, preparation method and applications, belong to building protective materials technical field.A kind of antiknock energy-absorbing coating material, the material prescription are made of component A and B component：Component A is 45~80 parts of isocyanates, 20~40 parts of polyether polyol, 0~20 part of diluent；B component is 50~80 parts of amine terminated polyether, 25~40 parts of amine chainextender, 0~8 part of coupling agent, 0~10 part of filler, 0~8 part of auxiliary agent.A, the volume ratio of B component is 1:0.97~1.03.A, B component are prepared respectively and formation antiknock energy-absorbing coating on building substrate primer surface will be sprayed at after two kinds of mixing using bi-component high temperature and pressure impingement mix airless spraying equipment.The coating can promote the dynamic mechanical of safeguard structure under blast load, reduce the pressure exploded and caused in building, improve the capability of antidetonance of building.
Description
Technical field
The present invention relates to a kind of antiknock energy-absorbing coating material, preparation method and applications, belong to building protective materials technology
Field.
Background technology
Personnel's injury and injures and deaths caused by explosive attack (such as attack of terrorism), 80% is to generate architect shatter by explosion to draw
It rises, the howitzer that bomb makes the building image to disperse explode equally attacks building interior, personnel around, greatly improves dead
Die rate.By the study found that the building explosion-proof impact effect with protective coating is 20 times or more of traditional architecture object,
The casualty rate 50% of personnel in building can be reduced under uniform impingement.Spraying antiknock energy-absorbing coating material in building surface can
To greatly improve its barrier propterty, reduces explosion wave and ring is broken to the structure of building, to avoid building fragment to building
Build the attack of personnel in object.How the research work of building antiknock energy-absorbing protective coating improves building still in the starting stage at present
Antiknock energy absorption performance be of great significance.
Invention content
In view of this, one of the objects of the present invention is to provide a kind of antiknock energy-absorbing barrier material, the material
It is a kind of high Sensitivity rate elastomer polyureas sprayed on material, apparent strain rate effect is shown under the conditions of a wide range of strain rate,
A kind of unique super viscoelastic polymer.
The second object of the present invention is to provide a kind of preparation method of antiknock energy-absorbing coating material, and the method is simply easy
Row.
The third object of the present invention is a kind of application of antiknock energy-absorbing coating material, is applied to building entity knot
On structure, building structure explosion-and-knock resistant performance can be improved, while having both the functions such as waterproof, anti-corrosion.
A kind of antiknock energy-absorbing coating material, the material prescription are made of component A and B component：
The composition and its mass fraction of the component A are as follows：
45~80 parts of 4,4 '-diisocyanate of diphenyl-methane-,
20~40 parts of polytetrahydrofuran ether glycol,
0~20 part of diluent,
Wherein, the diluent is propene carbonate；
The composition and its mass fraction of the B component are as follows：
Wherein, the amine chainextender is 3,3 '-two chloro- 4,4 '-diaminodiphenylmethane, diethyl toluene diamine, diformazan
Sulfenyl toluenediamine, 4,4 '-bis- Zhong Ding aminodiphenylmethanes, methyl diethanolamine, isophorone diamine, 4,4 '-methylene
One or more of bis- (2,6- diethylanilines) and 4,4 '-di-2-ethylhexylphosphine oxides (2- methyl -6- ethyl aniline)；
The coupling agent is aqueous silane coupling agent；
The filler is one in titanium dioxide, calcium carbonate, diatomite, glass fibre, clay, barite, carbon black and pigment
Kind or more；
The auxiliary agent is one or more of fire retardant, antioxidant, ultra-violet absorber and Nano diamond；
The volume ratio of the component A and B component is 1:0.97~1.03.
A kind of preparation method of antiknock energy-absorbing coating material of the present invention, steps are as follows for the method：
(1) polytetrahydrofuran ether glycol is added in the reaction kettle I of nitrogen protection, is heated to 120 ± 5 under stiring
DEG C, it is dehydrated 1~2 hour at vacuum -0.095~0.1MPa, removes vacuum, be cooled to room temperature addition diphenyl-methane -4,4 '-two
Isocyanates reacts 2~4 hours at 80~120 DEG C, is cooled to 60 DEG C and following addition diluent, discharges after stirring evenly,
Obtain component A.
(2) Amino End Group polypropylene oxide ether, amine chainextender, coupling agent, filler and auxiliary agent are added sequentially to reaction kettle II
In, it stirs 1~2 hour, discharges after mixing at room temperature, obtain B component.
A kind of application of antiknock energy-absorbing coating material of the present invention：Using bi-component high temperature and pressure impingement mix without gas blowout
Automatic doubler surface glouer is sprayed at after mixing component A and B component on building substrate primer surface, forms antiknock energy-absorbing coating.
Preferably, the antiknock energy-absorbing coating layer thickness is 2mm~10mm, and specific thickness is special according to the structure of specific building
Property and requirement of shelter determine.
Preferably, adhesion strength >=6MPa of the antiknock energy-absorbing coating and priming paint.
Preferably, building substrate primer surface is Aethoxy Sklerol and bisphenol A type epoxy resin with 3:1 mass ratio mixing, so
Stannous octoate and dibutyl tin laurate are added afterwards, wherein stannous octoate accounts for the 3% of priming paint gross mass, two fourth of tin dilaurate
Ji Xi accounts for the 4% of priming paint gross mass.
Preferably, the spraying method of antiknock energy-absorbing coating is to meet quick-fried single side, the quick-fried single side of the back of the body or meet the quick-fried two sides of the back of the body to spray.
Preferably, fabric is laid in the antiknock energy-absorbing coating.
Preferably, the fabric is glass fibre, carbon fiber or aramid fiber.
Preferably, the string holes gap of knitting of the fabric is 5mm~25mm.
Advantageous effect
A kind of antiknock energy-absorbing coating material of the present invention, unique strain rate sensitivity can promote blast load
The dynamic mechanical of lower safeguard structure reduces the pressure exploded and caused in building by reducing building masonry wall deformation,
It avoids the generation of a large amount of architect shatters and is threatened to reduce the potential penetration that object near wall is brought, the painting of this superhigh intensity
Layer improves the capability of antidetonance for being exposed to building in explosive incident, can keep its integrality substantially.
Its mechanical property parameters of antiknock energy-absorbing coating of the present invention need while meeting：Tensile strength >=28MPa, is pulled
Disconnected elongation >=300%, tearing strength >=90KN/m, hardness are 85~95 (shore A), and four mechanical property parameters are mutually made
It about influences, forms the complex system of a material prescription-performance, be the core technology of antiknock energy-absorbing coating protection material.
The adhesion strength of antiknock energy-absorbing coating and building base material (concrete), i.e. adhesive force, directly affect protective layer
Service life also influences the functional effect of protective layer.It is required according to the barrier propterty of antiknock energy-absorbing coating, to the attached of concrete
Put forth effort requirement and is more than or equal to 6MPa.
Description of the drawings
Fig. 1 is the protective coating structural schematic diagram described in the embodiment of the present invention 1.
Fig. 2 is to meet the quick-fried two sides spraying method of the back of the body described in the embodiment of the present invention 1.
Specific implementation mode
With reference to specific embodiment, the present invention is described in further detail.
Embodiment 1
A kind of antiknock energy-absorbing coating material, is made of component A and B component, and composition and its mass fraction are as shown in table 1.
1 component A of table and B component composition and its mass fraction
A kind of preparation method of antiknock energy-absorbing coating material of the present invention, steps are as follows for the method：
(1) polytetrahydrofuran ether glycol is added in the reaction kettle I of nitrogen protection, is heated to 120 DEG C under stiring,
It is dehydrated 1.5 hours at vacuum 0.05MPa, removes vacuum, be cooled to room temperature addition diphenyl-methane -4,4 '-diisocyanate,
It is reacted 3 hours at 100 DEG C, is cooled to 60 DEG C and following addition propene carbonate, discharges after stirring evenly, obtain component A.
(2) by polytetrahydrofuran ether glycol JEFFAMINE T-5000, polytetrahydrofuran ether glycol JEFFAMINE D-
2000, polytetrahydrofuran ether glycol JEFFAMINE D-400, amine chainextender diethyl toluene diamine, coupling agent Z6040, dioxy
Change titanium R902, carbon black MA100 and ultra-violet absorber B97 to be added sequentially in reaction kettle II, stirs 1.5 hours, mix at room temperature
Discharging, obtains B component after closing uniformly.
The application of antiknock energy-absorbing coating material described in a kind of the present embodiment：Using the production H-20/35 sprayings of GUSMER companies
Equipment carries out spraying application, and two component of A, B is by respective mateiral pump from charging basket according to volume ratio 1:1, which is delivered to host, is counted
Amount, pressurization, heating, are then sent to spray gun.Flowing of the material in spray gun is not allowed to flow freely by absolute control,
So that material is mixed in the mixing chamber of spray gun in a manner of most fast, then spray, concrete slab epoxy resin modification it is poly-
Antiknock energy-absorbing coating is formed on urethane priming paint.The antiknock energy-absorbing coating layer thickness is 5mm, is then laid with one layer of fabric, so
Spray one layer of antiknock energy-absorbing coating again afterwards, thickness 5mm forms protective coating, as shown in Figure 1；The fabric is aramid fiber
Fiber；The string holes gap of knitting of the fabric is 15mm.The spraying method of protective coating is to meet the quick-fried two sides spraying of the back of the body, such as Fig. 2 institutes
Show.
Concrete board constructions size is：1m × 1m, thickness 40mm are mainly poured with water-setting, sandy soil and reinforcing bar.Ring
The resin modified polyurethane primer of oxygen is Aethoxy Sklerol and bisphenol A type epoxy resin with 3:1 mass ratio mixing, is then added octanoic acid
Stannous and dibutyl tin laurate, wherein stannous octoate accounts for the 3% of priming paint gross mass, and dibutyl tin laurate accounts for priming paint
The 4% of gross mass.
It is very strong to the adaptability of construction environment to spray antiknock energy-absorbing coating, is suitably adapted for relative complex weather, environment is applied
Work；For temperature environment between -35~75 DEG C, ambient humidity is not higher than 80%；The temperature of concrete substrate is higher than dew-point temperature 3
DEG C, the moisture content of concrete substrate is less than 8%, and the normal curing age of concrete at least will be more than to conserve for 14 days, more preferably greater than 28
It, surface strength reaches prescribed requirement；Concrete base layer answers smooth, cleaning, dry, must not have hollowing, loosening, voids and pits,
Floating quarrel, surface dust, releasing agent and greasy dirt.Concrete base layer processing construction includes that concrete surface is cleared up, concrete surface defect is repaiied
It mends：A. concrete base layer face is answered smooth, hard, dry tack free, Wu Mingshui, grease and other foreign matters；B. must not have more than 0.5mm
Hole occur, must not have cracking, dusting, decortication the defects of；C. the privileged sites such as negative and positive angle, pipe root should smear into circular arc or blunt
Angle, and dust, sundries are cleaned up；D. it must assure that dustless, free from admixture is cleaned in spraying operation face, no reduction adhesive force etc. is latent
In influence factor.
The physical property of the antiknock energy-absorbing coating material, as shown in table 1.
The physical property of 1 antiknock energy-absorbing coating material of table
Grade classification, the operating mode on the basis of brick wall fall damage (VI grade), shock wave power are destroyed according to building>
76.0kPa.For not spraying the brick wall of protective layer, under Explosion Loading, wall caves in, and generates the fragment largely to disperse.
After spraying protective layer, building antiknock ability improves, and the quick-fried face of the back of the body of wall is generated without a large amount of fragments, and polyurea protection layer has been kept substantially
It is whole.Test result shows that meeting the quick-fried two sides spraying protective layer of the back of the body is greatly improved the antiknock ability of armoured concrete slab, and can press down
The splashing of concrete slab fragment processed, consolidation effect is clearly.
The present invention includes but not limited to above example, it is every carried out under the spirit and principles in the present invention it is any etc.
With replacement or local improvement, all will be regarded as within protection scope of the present invention.
Claims (10)
1. a kind of antiknock energy-absorbing coating material, it is characterised in that：The material prescription is made of component A and B component：
The composition and its mass fraction of the component A are as follows：
45~80 parts of 4,4 '-diisocyanate of diphenyl-methane-,
20~40 parts of polytetrahydrofuran ether glycol,
0~20 part of diluent,
Wherein, the diluent is propene carbonate；
The composition and its mass fraction of the B component are as follows：
Wherein, the amine chainextender is 3,3 '-two chloro- 4,4 '-diaminodiphenylmethane, diethyl toluene diamine, dimethyl sulphur-based
Toluenediamine, 4,4 '-bis- Zhong Ding aminodiphenylmethanes, methyl diethanolamine, isophorone diamine, 4,4 '-di-2-ethylhexylphosphine oxides (2,
One or more of 6- diethylanilines) and 4,4 '-di-2-ethylhexylphosphine oxides (2- methyl -6- ethyl aniline)；
The coupling agent is aqueous silane coupling agent；
The filler be in titanium dioxide, calcium carbonate, diatomite, glass fibre, clay, barite, carbon black and pigment it is a kind of with
On；
The auxiliary agent is one or more of fire retardant, antioxidant, ultra-violet absorber and Nano diamond；
The volume ratio of the component A and B component is 1:0.97~1.03.
2. a kind of preparation method of antiknock energy-absorbing coating material as described in claim 1, it is characterised in that：The method step
It is as follows：
(1) polytetrahydrofuran ether glycol is added in the reaction kettle I of nitrogen protection, is heated to 120 ± 5 DEG C under stiring,
It is dehydrated 1~2 hour at vacuum -0.095~0.1MPa, removes vacuum, be cooled to room temperature addition diphenyl-methane -4,4 '-two is different
Cyanate reacts 2~4 hours at 80~120 DEG C, is cooled to 60 DEG C and following addition diluent, discharges, obtain after stirring evenly
To component A.
(2) Amino End Group polypropylene oxide ether, amine chainextender, coupling agent, filler and auxiliary agent are added sequentially in reaction kettle II, are stirred
It mixes 1~2 hour, discharges after mixing at room temperature, obtain B component.
3. a kind of application of antiknock energy-absorbing coating material as described in claim 1, it is characterised in that：It is high using bi-component high temperature
Pressure impingement mix airless spraying equipment is sprayed at after mixing component A and B component on building substrate primer surface, is formed antiknock and is inhaled
It can coating.
4. a kind of application of the antiknock energy-absorbing coating material as claimed in claim 3, it is characterised in that：The antiknock energy-absorbing
Coating layer thickness is 2mm~10mm.
5. a kind of application of the antiknock energy-absorbing coating material as claimed in claim 3, it is characterised in that：Antiknock energy-absorbing coating
Spraying method be to meet quick-fried single side, the quick-fried single side of the back of the body or meet the quick-fried two sides spraying of the back of the body.
6. a kind of application of the antiknock energy-absorbing coating material as claimed in claim 3, it is characterised in that：The antiknock energy-absorbing
Adhesion strength >=6MPa of coating and priming paint.
7. a kind of application of the antiknock energy-absorbing coating material as claimed in claim 6, it is characterised in that：Building substrate surface
Priming paint is Aethoxy Sklerol and bisphenol A type epoxy resin with 3:1 mass ratio mixing, is then added stannous octoate and two fourth of tin dilaurate
Ji Xi, wherein stannous octoate accounts for the 3% of priming paint gross mass, and dibutyl tin laurate accounts for the 4% of priming paint gross mass.
8. a kind of application of the antiknock energy-absorbing coating material as claimed in claim 3, it is characterised in that：Fabric is spread
It is located in the antiknock energy-absorbing coating.
9. a kind of application of the antiknock energy-absorbing coating material as claimed in claim 8, it is characterised in that：The fabric
For glass fibre, carbon fiber or aramid fiber.
10. a kind of application of the antiknock energy-absorbing coating material as claimed in claim 8, it is characterised in that：Fabric
It is 5mm~25mm to knit string holes gap.
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| CN201810480630.1A CN108587438A (en) | 2018-05-18 | 2018-05-18 | A kind of antiknock energy-absorbing coating material, preparation method and applications |
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| CN201810480630.1A CN108587438A (en) | 2018-05-18 | 2018-05-18 | A kind of antiknock energy-absorbing coating material, preparation method and applications |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025453A (en) * | 2018-10-10 | 2018-12-18 | 江苏东南结构防灾工程有限公司 | Underground space toughness people's air defense explosion resistant structure |
| CN110229646A (en) * | 2019-05-06 | 2019-09-13 | 阜阳大可新材料股份有限公司 | A kind of fiber board adhesive that water resistance is good |
| CN110256649A (en) * | 2019-06-27 | 2019-09-20 | 青岛爱尔家佳新材料股份有限公司 | A kind of polyaspartate polyurea composite material and preparation method |
| CN110359594A (en) * | 2019-07-02 | 2019-10-22 | 山东三达科技发展有限公司 | A kind of antiknock Hong wall body structure and construction method, test device and method |
| CN111691190A (en) * | 2020-05-18 | 2020-09-22 | 顺缔高新材料江苏有限公司 | Spraying process of polyurea waterproof coiled material |
| CN112046613A (en) * | 2020-07-31 | 2020-12-08 | 东风延锋汽车饰件系统有限公司 | Method for eliminating automobile upright post guard plate air bag blasting fragments |
| CN113321994A (en) * | 2021-06-18 | 2021-08-31 | 江苏天沃重工科技有限公司 | Preparation method of high-strength erosion-resistant polyurea composite coating |
| CN113480840A (en) * | 2021-07-09 | 2021-10-08 | 成都上泰科技有限公司 | Method for manufacturing high-performance polyurea composite material containing reinforced fiber cloth |
| CN113717620A (en) * | 2020-05-25 | 2021-11-30 | 中国石油化工股份有限公司 | Enhanced anti-explosion coating and preparation method and application thereof |
| CN113714067A (en) * | 2020-05-25 | 2021-11-30 | 中国石油化工股份有限公司 | Spraying method of explosion-proof coating |
| CN113930144A (en) * | 2021-10-20 | 2022-01-14 | 江苏爵格工业集团有限公司 | Anti-explosion modified coating material for existing building and preparation method thereof |
| CN113956778A (en) * | 2021-12-09 | 2022-01-21 | 中盾科技(深圳)有限公司 | Multifunctional armor protective coating material and preparation method and application thereof |
| CN116004106A (en) * | 2021-10-22 | 2023-04-25 | 中国石油化工股份有限公司 | Explosion-proof flame-retardant coating and preparation method and application thereof |
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