CN104073147A - Anechoic tile skin coating material and preparation method thereof - Google Patents
Anechoic tile skin coating material and preparation method thereof Download PDFInfo
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- CN104073147A CN104073147A CN201410279585.5A CN201410279585A CN104073147A CN 104073147 A CN104073147 A CN 104073147A CN 201410279585 A CN201410279585 A CN 201410279585A CN 104073147 A CN104073147 A CN 104073147A
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- skin coating
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- eliminating tile
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Abstract
The invention relates to an anechoic tile skin coating material and a preparation method thereof. The method is characterized by comprising the following steps: carrying out interface treatment on the surface of a rubber anechoic tile; and then coating a layer of jointless polyurethane skin coating material of 3mm to 5mm outside the surface of the rubber anechoic tile in a spray shaping manner. The polyurethane skin layer has the excellent material mechanics property, so that the impact resistance of the anechoic tile is effectively improved, the rubber deformation of the anechoic tile under the condition of a deep water pressure is effectively reduced, the damage probability of the anechoic tile is effectively decreased and the navigational power of a ship is effectively improved on the premise that the original sound absorption property of the anechoic tile is not influenced. Thus, the anechoic tile skin coating material belongs to the field of underwater sound protection materials and is suitable for being matched with the anechoic tile wrapped outside the ship.
Description
Technical field:
Patent of the present invention relates to the utilisation technology a kind of and protecting materials that underwater acoustic absorption material is supporting, is specially adapted to the boats and ships of sound absorbing capabilities requirement and the high-performance supercoat of asdic outside surface.
Background technology:
China is to cover one deck rubber sound eliminating tile outward at its shell to there being the common sound absorption method adopting of boats and ships and asdic surface of sound absorbing capabilities requirement at present, and the single-block area of sound eliminating tile is 0.3～0.5m
2, thickness 30～60mm, is screwed and the bonding crooked cladding process method pasting in bottom surface, in its case surface, forms a whole silencing plate, and watt with watt between the gap employing polysulfide rubber sealant cementation of fissures.
This noise elimination tile fragment pastes the subject matter that technique exists: because of sound eliminating tile block specifications little, the gap pasting is many, simultaneously the polysulfide rubber sealant of the cementation of fissures and the bonding strength of tile fragment are far below self intensity of rubber tile fragment, serious at deepwater environment condition lower seal glue compressive deformation, once sound eliminating tile is subject to the rear local deformaton of the shocks such as seabed submerged reef simultaneously, also easily cause the cracking of original seal gum; Once and seal gum cracking or rubber sound eliminating tile damage, will make to intake in its sound eliminating tile sound absorption chamber, have a strong impact on the usefulness of Underwater Sound Absorption Properties, due to seal gum cracking, seawater directly contacts ship outer casing simultaneously, forms shell corrosion; And seal gum self does not have sound absorption function.
The application of patent of the present invention based on: we recognize the defect that current domestic sound eliminating tile technology exists in application, Skin Coating at the coated one deck polyurethane material of outside surface of original rubber tile has been proposed, do not reducing under the prerequisite of original sound absorbing capabilities, improve the ability of the resistance to collision of sound eliminating tile and resistance to deep water compressive strain, the probability that effectively reduces sound eliminating tile bonding gap cracking or damage, the introducing of urethane Skin Coating material simultaneously, can improve again its whole sound absorption usefulness and reduce running resistance.
Through relevant domestic patent and technical literature, consult, not finding has similar patent and technical matters openly to report to patent of the present invention.
Summary of the invention:
Patent of the present invention technical problem to be solved is to provide a kind of urethane Skin Coating material for ship silencing watt surface spraying moulding and preparation method thereof, this urethane Skin Coating material has good integrity, without seam easy to leak not,, good pressure-resistant performance good with sound eliminating tile cohesiveness, on sound absorbing capabilities without impact, dynamic resistance to navigation has the features such as reduction, makes the application of sound eliminating tile technology have further raising and popularization.
In order to realize a kind of sound eliminating tile Skin Coating material of this patent proposition and preparation method thereof, patent of the present invention has taked to relate to as follows the technical scheme of material manufacture and application art:
The manufacture formula of the urethane Skin Coating material that patent of the present invention adopts is as follows: A component is the performed polymer of isocyanic ester system, its proportioning is isocyanic ester 41～50%, polyether glycol 33～25%, auxiliary agent 8～10%, flame retarding polyether 18～15%, isocyanate content 15～17%; B component is amine chainextender 12～25%, amidogen ether 50～30%, polyether glycol 10～24%, mill base 4～6%, auxiliary agent 1～4%, catalyzer 3～1%, fire retardant 20～10%, mixed amine value 14～16%; The viscosity of the two component raw materials of isocyanate reaction index-NCO/NH=1: 1.00～1.18, A, B in the time of 25 ℃ should≤1000cps.
Isocyanic ester in described A component is selected from following one or more mixing: tolylene diisocyanate, 2,4-diphenylmethanediisocyanate, isophorone diisocyanate, hexamethylene diisocyanate etc.; Described polyether glycol is mainly the polyether glycol that molecular weight is 1000-3000; Described auxiliary agent is mainly carbonates thinner, aromatic hydrocarbons visbreaking agent; Described flame retarding polyether is mainly organic phosphorus active polyethers (OP-550, OP-560, OP-100) etc.
Amine chain extender in described B component is selected from following one or more mixing; Dimethythiotoluene diamine E-300, N, N-dialkyl benzene diamines MOCA, TX-2, E-100, WH-6200 etc.; Amino Terminated polyether(ATPE) in described B component is D-2000, T-5000, D-403, D-230; End hydroxy polyether in described B component is high activity polyether, high hydroxyl value polyethers N204 etc.; Auxiliary agent in described B component is: visbreaking agent, antioxidant, photostabilizer, defoamer, antisettling agent; Mill base in described B component is for doing the urethane special-used colour starch of resin with Amino Terminated polyether(ATPE) D-2000; The organo-bismuth that catalyzer in described B component is environment-friendly type, organic zinc, organic palladium liquid; Fire retardant in described B component is organic phosphorus active polyethers OP-550, OP-560, antimonous oxide, magnesium hydroxide, zinc borate.
Interface binder-treatment method between the sound eliminating tile that patent of the present invention adopts and Skin Coating; Rubber tile surface employing 10% concentration pickling soaked with liquid and oxide treatment 24 hours, soak thickness≤1mm, with clear water, clean up post-drying, apply again the interfacial agents of being done rubber sound eliminating tile surface by polyurethane-modified two component neoprene adhesives, coat-thickness 0.15～0.20mm, after surface drying (surface drying time be generally 2～4 hours/25 ℃), side can spraying polyurethane Skin Coating material, and the urethane Skin Coating obtaining by this processing method and the bonding force of rubber layer can reach 5MPa.
The cementation of fissures of sound eliminating tile and the splicing smooth processing in gap: adopt three component thiorubber cementation of fissures adhering methods of active service sound eliminating tile, and poly-sulphur glue sealing face and sound eliminating tile after solidifying is floating, grinding process after solidifying.
The preparation technology of the urethane Skin Coating that patent of the present invention adopts is; Adopt two component V
a: V
b=1: 1 special high-pressure polyurethane spray automatic doubler surface glouer spraying application; By A component and B component respectively by conveying and the heating system of urethane Hydraulic Double component spray equipment, the two components of A, B under high-pressure delivery condition with V
a: V
bunder the material temperature condition of=1: 1 ratio and 65～75 ℃, by mixing section inner impact in RIM rifle, mixed liquor is atomizing state and is sprayed on rubber tile surface, forms urethane Skin Coating.
This urethane Skin Coating is System Curing At Room Temperature, does not need to be heating and curing, and its construction and maintaining process condition are:
Table 1
| Performance project | Gel time | Surface drying time | Curing time |
| Technical indicator | 8-12s | 20-40s | 7 days/23 ℃ |
Meeting under the prerequisite of above primary condition, can obtain the urethane Skin Coating of following excellent mechanical property: tensile strength >=16Mpa, tear strength >=60N/mm, elongation at break >=400%, hardness 90 ± 5 Shao A.
Urethane Skin Coating material has good flame retardant properties, and oxygen index >=28 reach the fire-retardant national standard of B2 level.
The water lubricating coefficient of urethane Skin Coating material is low to moderate 0.26, lower than the water lubricating coefficient 0.41 of existing neoprene surface, can effectively reduce former sound eliminating tile surface and seawater friction resistance under sail, improves navigation effective power.
In patent of the present invention, after increasing 4mm urethane Skin Coating, acoustic frequency sound absorbing capabilities (coefficient) relatively.
Table 2
| ? | Underwater sound pressure | 1-4KHz | 5-12KHz | 13-24KHz |
| Rubber sound eliminating tile sound absorbing capabilities index | 0-2MPa | ≥50 | ≥80 | ≥85 |
| The actual measurement of rubber sound eliminating tile | 0-2MPa | 67 | 85 | 94 |
| Rubber sound eliminating tile+urethane Skin Coating | 0-2MPa | 69 | 86 | 95 |
| Rubber sound eliminating tile sound absorbing capabilities index | 2-3MPa | ≥50 | ≥70 | ≥80 |
| The actual measurement of rubber sound eliminating tile | 2-3MPa | 65 | 83 | 91 |
| Rubber sound eliminating tile+urethane Skin Coating | 2-3MPa | 66 | 85 | 93 |
What the preparation technology of the urethane Skin Coating that patent of the present invention adopts was suitable for existing military service has boats and ships that acoustic attenuation performance requires as submarine, asdic etc.
The effect of implementing after patent of the present invention is: the sound eliminating tile surface after spraying polyurethane Skin Coating material is clashed into and withstand voltage deformation failure performance obviously improves, and can effectively improve or reduce sound eliminating tile cracking and obscission, improves corrosion resistance nature; Sound eliminating tile surface water friction resistance after spraying polyurethane Skin Coating reduces, and can improve the equivalent speed of a ship or plane; The raising of the sound eliminating tile surface sound absorbing capabilities after spraying polyurethane skin material.
Accompanying drawing explanation 1 is the urethane covering Skin Coating material preparation process schema of patent of the present invention.
Accompanying drawing explanation 2 is sound eliminating tile sticking structure schematic diagram of patent of the present invention; Diagram 1 is that ship housing steel plate thickness 10～30mm, diagram 2 are that sound eliminating tile gap sealant width 2～10mm, diagram 3 are that rubber sound eliminating tile thickness 40～60mm, diagram 4 are urethane Skin Coating thickness 3-5mm.
Embodiment
Below in conjunction with embodiment, preparation method of the present invention is described, but protection scope of the present invention is not limited only to case study on implementation.
Embodiment 1
The formula of the Skin Coating polyurethane material that patent working example 1 of the present invention adopts:
Table 3
| A constituent materials formula | Weight part wt% | B constituent materials formula | Weight part wt% |
| MDI isocyanic ester | 46 | Amine chainextender E-100 | 16 |
| Polyether glycol N-220 | 30 | Amine chainextender E-300 | 4 |
| Flame retarding polyether OP-100 | 16 | Amidogen ether D-2000 | 40 |
| Propylene carbonate | 8 | Polyether glycol N210 | 15 |
| ? | ? | Yellow slurry | 5 |
| ? | ? | Visbreaking agent, antioxidant | 1.5 |
| ? | ? | Compound organo-bismuth organic zinc | 1.5 |
| ? | ? | Fire retardant OP-560 | 17 |
| Add up to | 100 | Add up to | 100 |
| Isocyanate content | 16.4％ | Mixed amine value | 15.8％ |
The A component preparation of Skin Coating polyurethane material: by 46 parts of MDI isocyanic ester and 30 parts of polyalcohol polyether N-220,16 parts of flame retarding polyether OP-100, adopt dropping method pre-polymerization in 500 liters of reactors, 60～70 ℃ of dropping temperatures, be incubated 2～3 hours, add again 8 parts of propylene carbonates to stir together after 0.5 hour, with 100 mesh filter screens, filter blowing; Check isocyanate content is 16.3～16.5%, and viscosity≤1000cps/25 ℃ meets after processing requirement loading barrel packaging warehouse-in standby.
The B component preparation of Skin Coating polyurethane material: by raw materials such as 40 parts of amidogen ether D-2000,15 parts of polyether glycol N210,16 parts of amine chainextender E-100,4 parts of amine chainextender E-300,1.5 parts of auxiliary agent visbreaking agents, antioxidant, 1.5 parts of compound organo-bismuth organic zinc catalyzer, 5 parts of yellow slurries, 17 parts of fire retardant OP-560, after feeding intake by process ratio weighing, stir after 0.5～1.0 hour check after filtering with 100 mesh filter screens; Mixed amine value 15.5～18%, material viscosity≤1000cps/25 ℃; Check meets loading barrel packaging after processing requirement, puts in storage standby; Isocyanate reaction index-NCO/NH=1: 1.04.
Process the surface acid-washing oxygenation level of sound eliminating tile: a small amount of oxidant potassium permanganate, 10% sulfuric acid, 3% nitric acid are made into surface treatment liquid, sound eliminating tile surface integral is immersed in this surface treatment liquid, submergence thickness 0.5～1.0mm, soak time 15～24 hours.Soaked the rear diluted alkaline water soaking of first using 1～2% (NaOH) 1～2 hour, then rinsed, soak, rinse, until rinse water PH=6～7 with clear water; Water has been cleaned to the sound eliminating tile first sign lumen pore being up to the standards and be inverted anhydrous outflow in 2 hours downwards, put into subsequently baking oven, 100 ℃ of bakings are dried as qualified for 4 hours.Apply again the interfacial agents of being done rubber sound eliminating tile surface by polyurethane-modified two component neoprene adhesives, coat-thickness 0.15～0.20mm, standby after 2.4 hours/25 ℃ surface dryings.
The smooth treatment process of the cementation of fissures of sound eliminating tile and splicing gap: adopt three component thiorubber cementation of fissures adhering methods of active service sound eliminating tile, and poly-sulphur glue sealing face and sound eliminating tile after solidifying is floating, grinding process after solidifying.
The primary condition of urethane Skin Coating spraying application specific equipment: A, B component material feed volume ratio are V
a: V
b=1: 1, hydro-pump feed pressure>=16MPa, carry material pump feed air pump pressure>=0.8MPa, capacity>=0.8m
3/ min, A, B component material all have 70 ± 5 ℃ of corresponding heating systems and 55 ± 5 ℃ of insulations of pipeline heat-insulating system; The hybrid mode of A, B material is to mix RIM formula rifle formula moment, and A, B component material are under 18～26Mpa High Pressure, and in mixing section, being RIM moment mixes, and under high pressure effect, by nozzle, nebulizes.
The formation of urethane Skin Coating: moment mixes and nebulizes by nozzle under pressure in mixing section, the fluid material that atomization is scattered, converge in the outside surface of sound eliminating tile, and along with the movement of hand-held spray gun, at sound eliminating tile outside surface, form certain thickness urethane Skin Coating; The gauge control of Skin Coating is at 4mm, and normal running divides two times sprayings, can in 25min, reach 4mm design thickness by continuous spray.
The control of urethane Skin Coating spraying application and maintaining process requires:
Table 4
| Performance project | Gel time | Surface drying time | Curing time |
| Technical indicator | 11.5s | 35s | 7 days/23 ℃ |
The main performance testing results of the urethane Skin Coating of manufacturing according to above-mentioned preparation method is as follows:
The conventional material data of mechanical of urethane Skin Coating:
Table 5
| Performance project | Tensile strength | Tear strength | Elongation | Hardness |
| Technical indicator | 17MPa | 68N/mm | 415％ | 92 Shao A |
Other performance test data of urethane Skin Coating:
Table 6
| Performance project | Fire-retardant oxygen index | Water lubricating coefficient |
| Technical indicator | 28.5 | 0.25 |
Sound absorbing capabilities (coefficient) comparative data of acoustic frequency after increase 4mm urethane Skin Coating:
Table 7
| ? | Pressure | 1-4KHz | 5-12KHz | 13-24KHz |
| Sound eliminating tile | 0-2MPa | 67 | 85 | 94 |
| Sound eliminating tile+urethane Skin Coating | 0-2MPa | 70 | 87 | 96 |
| Sound eliminating tile | 2-3MPa | 65 | 83 | 91 |
| Sound eliminating tile+urethane Skin Coating | 2-3MPa | 66 | 85 | 94 |
The urethane Skin Coating obtaining by this processing method and the bonding force 5.4MPa of rubber layer.
Embodiment 2
The whole implementation process method of embodiment 2, with embodiment 1, is no longer narrated; Be some difference of material prescription, material properties test data are some difference also, in rear continued, lists.
The formula of the urethane Skin Coating material that patent working example 2 of the present invention adopts:
Table 8
| A constituent materials formula | Weight part wt% | B constituent materials formula | Weight part wt% |
| TDI-100 isocyanic ester | 50 | Amine chainextender E-100 | 22 |
| Polyether glycol N-210 | 33 | Amine chainextender WH-6200 | 9 |
| Flame retarding polyether OP-100 | 12 | Amidogen ether D-2000 | 32 |
| Propylene carbonate | 5 | Polyether glycol N210 | 12 |
| ? | ? | Urethane ash mill base | 5 |
| ? | ? | Antioxidant, photostabilizer | 3.2 |
| ? | ? | Catalyzer organo-bismuth | 1.8 |
| ? | ? | Fire retardant OP-550 | 15 |
| Add up to | 100 | Add up to | 100 |
| Isocyanate content | 16.8％ | Mixed amine value | 16.2％ |
The A component preparation of urethane Skin Coating material: 50 parts of TDI-100 isocyanic ester and 33 parts of polyalcohol polyether N-210,12 parts of flame retarding polyether OP-100 are adopted in 500 liters of reactors and drip method pre-polymerization, 60～75 ℃ of dropping temperatures, be incubated 3 hours, add again 5 parts of auxiliary agents to stir together after 0.5 hour, with 100 mesh filter screens, filter blowing; Check isocyanate content.
Claims (4)
1. sound eliminating tile Skin Coating material and preparation method thereof; it is characterized in that: the sound eliminating tile surface posting at ship housing adopts spray mo(u)lding mode; forming a layer thickness is the jointless urethane Skin Coating of 3～5mm; this coating is on the basis of the original sound eliminating tile sound absorbing capabilities of guarantee, and the ability of ship resistance is protected, reduced in impact resistance under water, the hydraulic pressure resistance deformation that can improve sound eliminating tile.
2. according to a kind of sound eliminating tile Skin Coating material described in claims 1 and preparation method thereof, it is characterized in that: Skin Coating material adopts double-component cold curing type polyurethane coating, it is as follows that it manufactures formula: A component is the performed polymer of isocyanic ester system, its proportioning is isocyanic ester 41～50%, polyether glycol 33～25%, auxiliary agent 8～10%, flame retarding polyether 18～15%, isocyanate content 15～17%; B component is amine chainextender 12～25%, amidogen ether 50～30%, polyether glycol 10～24%, mill base 4～6%, auxiliary agent 1～4%, catalyzer 3～1%, fire retardant 20～10%, mixed amine value 14～16%; Isocyanate reaction index-NCO/NH2=1: 1.00～1.18.
The moulding process of Skin Coating is: adopt the special-purpose two component V of urethane
a: V
b=1: 1, high pressure, middle temperature, RIM rifle formula are mixed the spraying equipment of spraying application moulding.
3. according to a kind of sound eliminating tile Skin Coating material described in claims 1 and preparation method thereof, it is characterized in that: Skin Coating has the cohesive strength >=5Mpa on following material mechanical performance, tensile strength >=16Mpa, tear strength >=60N/mm, elongation at break >=400%, hardness 90 ± 3 (Shao A), oxygen index >=28, Skin Coating and sound eliminating tile surface.
The water lubricating coefficient of Skin Coating material is low to moderate 0.26, can effectively reduce former sound eliminating tile surface and seawater friction resistance under sail, improves navigation effective power.
4. according to a kind of sound eliminating tile Skin Coating material described in claims 1 and preparation method thereof, it is characterized in that: be suitable for the existing outer boats and ships that cover acoustic attenuation performance requirement as the protection on submarine, asdic sound eliminating tile surface.
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|---|---|---|---|
| CN201410279585.5A CN104073147A (en) | 2014-07-29 | 2014-07-29 | Anechoic tile skin coating material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105176474A (en) * | 2015-08-27 | 2015-12-23 | 河南理工大学 | Road crack-filling adhesive suitable for wet-surface crack and preparation method thereof |
| CN110591538A (en) * | 2018-06-13 | 2019-12-20 | 潍坊市正泰防水材料有限公司 | Double-component polyurethane waterproof coating and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5962144A (en) * | 1997-06-05 | 1999-10-05 | Huntsman Petrochemical Corporation | Polyurea elastomer systems with improved adhesion to substrates |
| CN1563234A (en) * | 2004-03-22 | 2005-01-12 | 江苏省化工研究所有限公司 | Structural flame retardant type spray coating material of polyurethane elastomer and construction method |
| US20100239815A1 (en) * | 2005-08-25 | 2010-09-23 | Howard Senkfor | Coating compositions comprising polyurea or polyurea and polyurethane |
| CN102702475A (en) * | 2012-01-05 | 2012-10-03 | 北京东方雨虹防水技术股份有限公司 | High-mechanical-property aliphatic spray polyurea elastomer and preparation method and construction method thereof |
| CN103555185A (en) * | 2013-11-05 | 2014-02-05 | 株洲时代新材料科技股份有限公司 | Surface flame retardant coating of rubber as well as preparation method of coating |
-
2014
- 2014-07-29 CN CN201410279585.5A patent/CN104073147A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5962144A (en) * | 1997-06-05 | 1999-10-05 | Huntsman Petrochemical Corporation | Polyurea elastomer systems with improved adhesion to substrates |
| CN1563234A (en) * | 2004-03-22 | 2005-01-12 | 江苏省化工研究所有限公司 | Structural flame retardant type spray coating material of polyurethane elastomer and construction method |
| US20100239815A1 (en) * | 2005-08-25 | 2010-09-23 | Howard Senkfor | Coating compositions comprising polyurea or polyurea and polyurethane |
| CN102702475A (en) * | 2012-01-05 | 2012-10-03 | 北京东方雨虹防水技术股份有限公司 | High-mechanical-property aliphatic spray polyurea elastomer and preparation method and construction method thereof |
| CN103555185A (en) * | 2013-11-05 | 2014-02-05 | 株洲时代新材料科技股份有限公司 | Surface flame retardant coating of rubber as well as preparation method of coating |
Non-Patent Citations (1)
| Title |
|---|
| 黄微波: "《水下航行器喷涂聚脲柔性涂层的制备及减阻性能的研究》", 《中国学位论文全文数据库》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105176474A (en) * | 2015-08-27 | 2015-12-23 | 河南理工大学 | Road crack-filling adhesive suitable for wet-surface crack and preparation method thereof |
| CN105176474B (en) * | 2015-08-27 | 2017-05-31 | 河南理工大学 | A kind of road gap-grouting glue suitable for wet facial cleft seam and preparation method thereof |
| CN110591538A (en) * | 2018-06-13 | 2019-12-20 | 潍坊市正泰防水材料有限公司 | Double-component polyurethane waterproof coating and preparation method thereof |
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