CN103665768A - Method for preparing high-strength solid buoyancy material - Google Patents
Method for preparing high-strength solid buoyancy material Download PDFInfo
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Abstract
The invention discloses a method for preparing a high-strength solid buoyancy material. The method comprises the steps as follows: a coupling agent in a mass ratio of (0.2:100) with hollow microspheres is adopted to perform pretreatment on 1-20 parts of hollow microspheres; 100 parts of resin, 0-60 parts of a curing agent, 0-15 parts of a toughening agent, 0-5 parts of a dispersing agent and 0-10 parts of a diluent are stirred and mixed to obtain a resin system material, the pretreated hollow microspheres and 1-30 parts of small fiber balls are gradually added into the resin system material step by step, the mixture is slow stirred and uniformly mixed, and original slurry is obtained; and the original slurry enters an injection molding process and is subjected to demolding so as to obtain the high-strength solid buoyancy material. Compared with a traditional solid buoyancy material, the high-strength solid buoyancy material has higher compressive strength, lower density and water permeability and good processability simultaneously.
Description
Technical field
The present invention relates to a kind of preparation method of high strength solid buoyancy material, especially relate to a kind of depth of water that is applied to and reach equipment counterweight, water surface float in 3000 meters and above water, and the preparation method of the buoyant structure solid buoyancy material used that needs such as deep-sea exploration.
Background technology
Since entering 21 century, countries in the world are explored on a large scale and exploit the Mineral resources such as oil gas product of marine field one after another, to meet growing energy demand.In this process, solid buoyancy material is as the high performance composite of a kind of low density, high strength, low seepage rate, high buoyancy, modern marine oil, Sweet natural gas and the requisite basic material of deep diving technology, it can provide buoyancy for the stage apparatus of the water surface, for underwater line provides insulation and buoyancy, for deep diving equipment provides essential buoyancy, to improve the device of diving useful load, reduce its physical dimension, improve its sub aqua sport performance and play an important role.No matter be military or civilian, high-intensity solid buoyancy material is widely used at marine field, as the counterweight of equipment in water, float on the water surface or the floating cable suspending in water, buoy, cable machinery, underwater pipeline counterweight, zero-buoyancy towed body, manned deep-sea vehicle are buried in seabed, underwater robot, underwater sonar system etc.
Traditional solid buoyancy material is to take liquid resin as matrix, take tiny balloon as weighting agent, and the composite foam making through techniques such as mixing, pour into a mould, solidify, has been widely used in the exploitation in seabed, ocean and has gathered operation.Both at home and abroad laboratory and enterprise are in shallow sea, deeply go back aspect different water depth solid buoyancy material used and done a large amount of R&D works.For example, american lockheed guided missile space company to develop the density that is applicable to 500 meters of the depth of waters be 0.35g/cm
3, the ultimate compression strength solid buoyancy material that is 5.6MPa, equally also developing and being applicable to the density of 2400 meters is 0.45g/cm
3, the ultimate compression strength solid buoyancy material that is 25MPa.Domestic Shandong city Qingdao marine chemical research institute is as far back as just adopting the technique of chemical foaming to succeed in developing " SBM-300 " solid buoyancy material in 90 years, and density is less than 0.33g/cm
3, ultimate compression strength is 5.5MPa, seepage rate is lower than 1%.The intensity of solid buoyancy material is mainly that the performance of filling strongthener by it determines, wherein the light filler for solid buoyancy material has inorganic microspheres, organic microballoon and metallic microspheres three major types.In field, deep-sea, using maximum is hollow glass microballoon, and China there is no the ability of hollow glass microballoon for production deep-sea at present, the shortcoming such as the size distribution that is mainly reflected in glass microsphere is wide, compressive strength is little, percentage of damage is large, high performance glass microsphere Jun Bei offshore company (comprising the companies such as 3M, AGSCO) monopolizes.
By the retrieval to prior art, find, Chinese patent CN11844236A discloses a kind of workable solid buoyancy material for deep sea and preparation method thereof, the prepared buoyancy material section of the method can be used for 5800 meters of depth of waters, but when the addition of preparation process hollow core microballon is greater than 20wt%, the mobility of resin system reduces, add and become more difficult, operation is inconvenience extremely, and its resistance to hydrostatic pressure intensity level is lower simultaneously.Chinese patent CN101735566A discloses processable full sea-depth buoyancy material and manufacture method, on the basis that the method is prepared at conventional composite foam by adding a small amount of short raising that aramid fiber is realized the strength of materials of cutting, can meet the buoyancy material performance requirement of 11000 meters of depth of waters, but realize dispersed being difficult to of chopped strand in containing the resin system of glass microballon.Therefore, if do not overcome the above problems, will restrict significantly the various performances of China's solid buoyancy material improve and application prospect, sluggish China is at marine field, especially the lightweight process of engineer equipment in field, deep-sea.
Summary of the invention
The object of the invention is to overcome the deficiency that above-mentioned prior art exists, a kind of preparation method of high strength solid buoyancy material is provided.This high strength solid buoyancy material is that a kind of depth of water that is applied to reaches equipment counterweight, water surface float in 3000 meters of above water, and the buoyant structure solid buoyancy material used that needs such as deep-sea exploration.The present invention is by carrying out formulating of recipe, optimisation technique technique, at traditional tiny balloon of take, as strongthener, prepare on the basis of composite foam, grade and even micron-sized, high-intensity fiber bead and micron-sized tiny balloon are worked in coordination with to enhancing to resin system, can effectively solve the weak points such as existing composite foam density is high, ultimate compression strength is low.
The object of the invention is to be achieved through the following technical solutions:
The present invention relates to a kind of preparation method of high strength solid buoyancy material, described method comprises the steps:
A, press 100 parts of resins, 1～30 part of fiber bead, 1～20 part of tiny balloon, 0～60 part, solidifying agent, 0～15 part of toughner, 0～10 part of thinner, 0～5 part of dispersion agent, gets the raw materials ready with the coupling agent that the mass ratio of tiny balloon is 0.2: 100;
B, adopt described coupling agent to carry out pre-treatment to cenosphere; Described resin, solidifying agent, toughner, dispersion agent, thinner are uniformly mixed, obtain resin system material, by described pretreated tiny balloon and fiber bead substep, successively add described resin system material, slowly stir, mix, obtain original slurry;
C, described original slurry enter injection moulding operation, and the demoulding obtains described high strength solid buoyancy material.
In steps A, the effect of coupling agent is tiny balloon to carry out pre-treatment, improves the interface binding intensity between microballoon and resin matrix, thereby improves the compressive strength of buoyancy material.Each component is preferred: 100 parts of resins, and 10～30 parts of fiber beads, 10～20 parts of tiny balloons, 0～60 part, solidifying agent, 1～15 part of toughner, 2～10 parts of thinners, 1～5 part of dispersion agent, with the mass ratio of the tiny balloon coupling agent that is 0.2: 100; The material ultimate compression strength now obtaining is increased to 50～120MPa.
Preferably, in steps A, described resin is that density is 0.8g/cm
3～1.5g/cm
3, the resin that the lower viscosity of normal temperature (25 ℃) is 100mPas～1500mPas.
Preferably, described resin comprises that epoxy-resin systems, phenolic resin system, unsaturated polyester system and other have the resin of anchoring effect or one or more in binding agent.More preferably, described epoxy resin is one or more in diglycidyl ether epoxy resin, polyglycidyl ether epoxy resin, glycidyl amine epoxy resin.Further preferably, described epoxy resin is toughening agent modified epoxy resin, and described toughner is one or more in thiorubber, polyphenylene sulfide, polyether-ether-ketone, poly-sulphur sulfone, paracril.
Preferably, in steps A, described fiber bead is that diameter is 6mm～25mm, and apparent density is 0.35g/cm
3～1.2g/cm
3, the spheroidal material that water-fast isostatic pressing strength is 50～300MPa.
Preferably, described fiber bead is the fiber bead with nucleocapsid structure, and nucleation carrier is Expandable Polystyrene (EPS) foam ball, and shell is that powder fiber strengthens polymer matrix composites layer.To refer in particular to adopt Expandable Polystyrene (EPS) foam ball as nucleation carrier, adopt powder fiber strengthen resin system polystyrene foam ball surface uniform be coated, by solidifying, cleaning, prepare a kind of fiber bead with nucleocapsid structure.
Preferably, described tiny balloon is one or more in hollow plastic microsphere, hollow glass micro-ball, hollow ceramic microballoon.Median size be 10 μ m～200 μ m not etc., density is 0.15g/cm
3～0.60g/cm
3not etc., ultimate compression strength be 5MPa～80MPa not etc., can select as required.
Preferably, in steps A, described solidifying agent be with the matching used polynary amine of described resin-phase or modified multicomponent amine curing agent in one or more.As triethylene tetramine or diethylidene five amine etc.
Preferably, in steps A, described toughner is polyethers, paracril, polyhutadiene, polyether-ether-ketone, poly-sulphur sulfone, silicon rubber, urethane or polyacrylic ester.
Preferably, in steps A, described thinner is epoxy group(ing) reactive thinner.As Racemic glycidol ether compounds such as n-butyl glycidyl ether, Diethylene Glycol glycidyl ethers.The effect of this thinner is to make epoxy resin to have better mobility, improves the wetting property of resin to foam spheroid, extends the working life of resin system.
Preferably, in steps A, described dispersion agent is that polymer unsaturated polyester carboxylic acid reacts the salt compounds generating with amino derivative.This dispersion agent effect is to weaken the interaction that tiny balloon produces when adding resin matrix, strengthens the dispersion stabilization of microballoon in resin, makes material have better physicals.
Preferably, in steps A, described coupling agent comprises one or more in the silane coupling agent of modification.As γ-aminopropyl triethoxysilane coupling agent.
Preferably, in step B, described in the churning time that is uniformly mixed be 5min～30min, stirring velocity is 30r/min～200r/min.
Preferably, in step B, the churning time of described slow stirring is 10min～60min, and stirring velocity is 10r/min～60r/min.
Preferably, in step C, described injection moulding operation is specially: adopt the mode of injection moulding to inject mould in described original slurry, vacuumize 0h～3h, first under 25 ℃～50 ℃ conditions, solidify 0.5h～2h, after under 60 ℃～80 ℃ conditions, solidify 1h～4h, naturally cooling.
Preferably, described in, vacuumize and refer to that vacuum tightness is more than 0.1Pa.
Compared with prior art, the present invention has following beneficial effect:
1, the solid buoyancy material that adopts the inventive method to prepare, in reinforcement, fasten the single employing micron order tiny balloon that breaks traditions as reinforcement, and the fiber bead of introducing on this basis grade and even centimetre-sized is collaborative, strengthen resin system, not only make tradition be reduced to 0.5g/cm for the composite foam density of solid buoyancy material
3～0.65g/cm
3, ultimate compression strength is increased to 50～120MPa, and seepage rate is reduced to below 1%.
2, owing to adopting fiber bead to strengthen, fill traditional composite foam, its production efficiency is improved, reduced labour intensity, the development of having filled up domestic high strength, low density solid buoyancy material is blank, has enriched kind and the range of application of solid buoyancy material.
3, prepared high strength solid buoyancy material can be used as the buoyancy material that in the exploitation of deep-sea oil gas product, water, equipment counterweight needs, and has broad application prospects, and brings into play important economic and social benefit.
4, the prepared high-performance solid buoyancy material of the present invention has workability, can adopt the working methods such as conventional car, milling, mill, saw, is processed into different shape, to meet the needs of application according to drawing requirement.
Accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that the other features, objects and advantages of patent of the present invention will become:
Fig. 1 is the structural representation of the prepared high strength solid buoyancy material of the present invention;
Wherein, 1 is fiber bead; 2 is tiny balloon; 3 is epoxy-resin systems.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art further to understand the present invention, but not limit in any form the present invention.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement.These all belong to protection scope of the present invention.
embodiment 1
The present embodiment adopts the fiber bead of grade and even centimetre-sized and micron-sized cenosphere to coordinate to strengthen to resin matrix, prepares a kind of low density, high-intensity solid buoyancy material.Concrete steps are:
(1) adopt silane coupling agent (γ-aminopropyl triethoxysilane coupling agent) to carry out pre-treatment to hollow glass micropearl, the optimum amount of coupling agent is the 0.2wt% of glass microballon quality;
(2) according to massfraction proportioning, by the epoxy resin of 100 parts, (diglycidyl ether epoxy resin, polyglycidyl ether epoxy resin or glycidyl amine epoxy resin all can, in the present embodiment, select diglycidyl ether epoxy resin), the triethylene tetramine of 50 parts, 10 parts of paracril toughner, 5 parts of dispersion agents, 10 parts of thinners (n-butyl glycidyl ether) mix, and adopting stirrer to carry out mechanical stirring to it, churning time is 20min; Stirring velocity is 100r/min;
(3) by 20 parts of good hollow glass micropearls of pre-treatment, (apparent density is 0.25g/cm
3, ultimate compression strength is 6MPa) and (diameter is 15mm, and apparent density is 1.2g/cm with 30 parts of fiber beads
3, water-fast isostatic pressing strength is 300MPa) minute slowly add for four times in resin system, keep stirring at low speed (churning time is 40min, and stirring velocity is 30r/min) to material integral body to reach mixed uniformly state;
(4) above-mentioned material is injected to mould, vacuumizing (referring to that vacuum tightness is more than 0.1Pa) processed after half hour, be heated to 60 ℃ and be incubated 3 hours and (be specially: first under 25 ℃ of conditions, solidify 0.5h, after under 60 ℃ of conditions, solidify 3h), the demoulding after naturally cooling, obtains low density, high-intensity solid buoyancy material.
The structural representation of the high strength solid buoyancy material that the present embodiment makes as shown in Figure 1.This material actual density is 0.60g/cm
3, resistance to comprehensive test hydrostaticpressure intensity is 110MPa, seepage rate is every day 0.43%, meets the performance index of China's buoyancy material under 8000 depth conditions completely.
High strength solid buoyancy material prepared by the present embodiment, compare with the traditional single enhancing resin matrix formation of tiny balloon composite foam, not only reduce density and the seepage rate of composite foam, and realized material in ultimate compression strength, the performance of especially comprehensive test hydrostaticpressure intensity aspect is significantly improved.
embodiment 2
The difference of the present embodiment and embodiment 1 is: the tiny balloon that prepared high strength solid buoyancy material adopts is hollow ceramic microballoon, and apparent density is 0.35g/cm
3, ultimate compression strength is 80MPa, other steps are identical with embodiment 1 with parameter.Resulting materials actual density is 0.67g/cm
3, resistance to comprehensive test hydrostaticpressure intensity is 120MPa, seepage rate is every day 0.39%, meets the performance index of China's buoyancy material under 12000 depth conditions completely.
embodiment 3
The difference of the present embodiment and embodiment 1 is: the fiber bead addition that prepared high strength solid buoyancy material adopts is 15 parts, and other steps are identical with embodiment 1 with parameter.Resulting materials actual density is 0.53g/cm
3, resistance to comprehensive test hydrostaticpressure intensity is 83MPa, seepage rate is every day 0.40%, meets the performance index of China's buoyancy material under 7000 meters of depth conditions completely.
embodiment 4
The difference of the present embodiment and embodiment 1 is: the fiber bead that prepared high strength solid buoyancy material adopts and the addition of hollow ceramic microballoon are 15 parts, and other steps are identical with embodiment 1 with parameter.Resulting materials actual density is 0.50g/cm
3, resistance to comprehensive test hydrostaticpressure intensity is 62MPa, seepage rate is every day 0.27%, meets the performance index of China's buoyancy material under 5000 depth conditions completely.
embodiment 5
The difference of the present embodiment and embodiment 1 is: the resin matrix that prepared high strength solid buoyancy material adopts is resol, without adding solidifying agent, curing mode be 60 ℃ within 2 hours, add 130 ℃ 1 hour.Other steps are identical with enforcement 1 with parameter.Resulting materials actual density is 0.55g/cm
3, resistance to comprehensive test hydrostaticpressure intensity is 58.38MPa, seepage rate is every day 0.51%.This material has excellent flame retardant properties simultaneously, and limiting oxygen index(LOI) reaches 35.
embodiment 6
The present embodiment adopts the fiber bead of grade and even centimetre-sized and micron-sized cenosphere to coordinate to strengthen to resin matrix, prepares a kind of low density, high-intensity solid buoyancy material.Concrete steps are:
(1) adopt γ-aminopropyl triethoxysilane coupling agent to carry out pre-treatment to hollow glass micropearl, the consumption of coupling agent is the 0.2wt% of glass microballon quality;
(2) according to massfraction proportioning, by the glycidyl amine epoxy resin of 100 parts, diethylidene five amine of 60 parts, 15 parts of polyhutadiene toughner, 2 parts of dispersion agents, 5 parts of thinners (Diethylene Glycol glycidyl ether) mix, and adopt stirrer to carry out mechanical stirring to it, churning time is 30min, and stirring velocity is 30r/min;
(3) by 20 parts of good hollow glass micropearls of pre-treatment, (apparent density is 0.15g/cm
3, ultimate compression strength is 30MPa) and (diameter is 6mm, and apparent density is 0.35g/cm with 30 parts of fiber beads
3, water-fast isostatic pressing strength is 50MPa) minute slowly add for four times in resin system, keep stirring at low speed (churning time is 60min, and stirring velocity is 10r/min) to material integral body to reach mixed uniformly state;
(4) above-mentioned material is injected to mould, vacuumize and process after 3h, be heated to 80 ℃ and be incubated 4 hours (be specially: first under 40 ℃ of conditions, solidify 2h, after under 80 ℃ of conditions, solidify 4h), the demoulding after naturally cooling, obtains low density, high-intensity solid buoyancy material.
The actual density of the high strength solid buoyancy material that the present embodiment makes is 0.65g/cm
3, resistance to comprehensive test hydrostaticpressure intensity is 100MPa, seepage rate is every day 0.29%, meets the performance index of China's buoyancy material under 9000 depth conditions completely.
embodiment 7
The present embodiment adopts the fiber bead of grade and even centimetre-sized and micron-sized cenosphere to coordinate to strengthen to resin matrix, prepares a kind of low density, high-intensity solid buoyancy material.Concrete steps are:
(1) adopt silane coupling agent to carry out pre-treatment to hollow glass micropearl, the optimum amount of coupling agent is the 0.2wt% of glass microballon quality;
(2) according to massfraction proportioning, by the epoxy resin of the thiorubber modification of 100 parts, diethylidene five amine of 30 parts mix, and adopt stirrer to carry out mechanical stirring to it, and churning time is 5min, and stirring velocity is 200r/min;
(3) by 10 parts of good hollow plastics microballons of pre-treatment, (apparent density is 0.60g/cm
3, ultimate compression strength is 15MPa) and (diameter is 25mm, and apparent density is 1.0g/cm with 10 parts of fiber beads
3, water-fast isostatic pressing strength is 150MPa) minute slowly add for four times in resin system, keep stirring at low speed (churning time is 10min, and stirring velocity is 60r/min) to material integral body to reach mixed uniformly state;
(4) above-mentioned material is injected to mould, vacuumize and process after half hour, be heated to 70 ℃ and be incubated 1 hour (be specially: first under 50 ℃ of conditions, solidify 0.5h, after under 70 ℃ of conditions, solidify 1h), the demoulding after naturally cooling, obtains low density, high-intensity solid buoyancy material.
The actual density of the high strength solid buoyancy material that the present embodiment makes is 0.50g/cm
3, resistance to comprehensive test hydrostaticpressure intensity is 35MPa, seepage rate is every day 0.39%, meets the performance index of China's buoyancy material under 3000 depth conditions completely.
Fiber bead described in above embodiment is that diameter is 6mm～25mm, and apparent density is 0.35g/cm
3～1.2g/cm
3spheroidal material.Refer in particular to and adopt Expandable Polystyrene (EPS) foam ball as nucleation carrier, adopt powder fiber strengthen resin system polystyrene foam ball surface uniform be coated, by solidifying, cleaning, prepare a kind of fiber bead with nucleocapsid structure.The preparation process of this fiber bead is as follows:
A, powder fiber and resin system are uniformly mixed to the fibre stuff that forms mud shape, the mass ratio of flour material and resin system is 100: 60～120; Mentioned fiber comprises one or more of carbon fiber, glass fibre and aramid fiber, and mentioned resin comprises that epoxy resin, resol, unsaturated polyester etc. have the resin of anchoring effect.
B, foam ball is soaked in the resin system that contains thinner, makes foam surface apply uniformly one deck resin, foam ball: resin system: the mass ratio of thinner is 100: 10～20: 2～4; Mentioned thinner refers to Racemic glycidol ether compound.
C, the foam ball that is coated with resin is mixed with described fibre stuff, mediate after stirring and form the coated spheroid of fibre stuff;
D, the abundant vibration with bonding how dry flour, until spherome surface is in tack-free state of flour material that the coated spheroid of described fibre stuff is placed in to dry state;
E, the spheroid that surface in step D is to dry state are reentered in fibre stuff and mix, mediate stirring;
F, repeating step D, E, until reach required sphere diameter;
G, the spheroid that step F is obtained are placed in 25～120 ℃ and fully solidify, and the flour material of clean surface remnants, obtains the described fiber bead for solid buoyancy material.
The fiber bead obtaining according to above step, mean diameter is 6～25mm, as the matrix material layer thickness of shell, is 0.2～2mm, water-fast isostatic pressing strength is 50～300MPa.
In sum, for meeting the domestic application demand of deep-sea being used to solid buoyancy material, the present invention is through great many of experiments, adopt the high-end filamentary material of space flight to prepare the fiber bead of low density, grade and even centimetre-sized, with traditional tiny balloon, resin system is coordinated to strengthen the solid buoyancy material of preparing novel high-strength.Through lot of experiments checking and practical application, the high strength solid buoyancy material that adopts this aspect to prepare, there is density that more conventional solid buoyancy material is lower and seepage rate, higher ultimate compression strength and excellent processibility, can be processed into different shape according to drawing requirement, meet 1500 meters～3000 meters, and the application demand of 3000 meters of above deep-sea platforms.Domestic pertinent literature and the patent report of there is no so far.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (12)
1. a preparation method for high strength solid buoyancy material, is characterized in that, described method comprises the steps:
A, press 100 parts of resins, 1～30 part of fiber bead, 1～20 part of tiny balloon, 0～60 part, solidifying agent, 0～15 part of toughner, 0～10 part of thinner, 0～5 part of dispersion agent, gets the raw materials ready with the coupling agent that the mass ratio of tiny balloon is 0.2: 100;
B, adopt described coupling agent to carry out pre-treatment to cenosphere; Described resin, solidifying agent, toughner, dispersion agent, thinner are uniformly mixed, obtain resin system material, by described pretreated tiny balloon and fiber bead substep, successively add described resin system material, slowly stir, mix, obtain original slurry;
C, described original slurry enter injection moulding operation, and the demoulding obtains described high strength solid buoyancy material.
2. the preparation method of high strength solid buoyancy material as claimed in claim 1, is characterized in that, in steps A, described resin is that density is 0.8g/cm
3～1.5g/cm
3, the resin that under normal temperature, viscosity is 100mPas～1500mPas.
3. the preparation method of high strength solid buoyancy material as claimed in claim 2, it is characterized in that, described resin comprises that epoxy-resin systems, phenolic resin system, unsaturated polyester system and other have the resin of anchoring effect or one or more in binding agent.
4. the preparation method of high strength solid buoyancy material as claimed in claim 1, is characterized in that, in steps A, described fiber bead is that diameter is 6mm～25mm, and apparent density is 0.35g/cm
3～1.2g/cm
3,, the spheroidal material that water-fast isostatic pressing strength is 50～300MPa.
5. the preparation method of high strength solid buoyancy material as claimed in claim 4, it is characterized in that, described fiber bead is the fiber bead with nucleocapsid structure, and nucleation carrier is Expandable Polystyrene (EPS) foam ball, and shell is that powder fiber strengthens polymer matrix composites layer.
6. the preparation method of high strength solid buoyancy material as claimed in claim 1, is characterized in that, in steps A, described tiny balloon is one or more in hollow plastic microsphere, hollow glass micro-ball, hollow ceramic microballoon.
7. the preparation method of high strength solid buoyancy material as claimed in claim 1, is characterized in that, in steps A, described solidifying agent be with the matching used polynary amine of described resin-phase or modified multicomponent amine curing agent in one or more.
8. the preparation method of high strength solid buoyancy material as claimed in claim 1, is characterized in that, in steps A, described toughner is polyethers, paracril, polyhutadiene, polyether-ether-ketone, poly-sulphur sulfone, silicon rubber, urethane or polyacrylic ester.
9. the preparation method of high strength solid buoyancy material as claimed in claim 1, is characterized in that, in steps A, described thinner is epoxy group(ing) reactive thinner.
10. the preparation method of high strength solid buoyancy material as claimed in claim 1, is characterized in that, in steps A, described dispersion agent is that polymer unsaturated polyester carboxylic acid reacts the salt compounds generating with amino derivative.
The preparation method of 11. high strength solid buoyancy materials as claimed in claim 1, is characterized in that, in steps A, described coupling agent comprises one or more in the silane coupling agent of various modifications.
The preparation method of 12. high strength solid buoyancy materials as claimed in claim 1, it is characterized in that, in step C, described injection moulding operation is specially: adopt the mode of injection moulding to inject mould in described original slurry, vacuumize 0h～3h, first under 25 ℃～50 ℃ conditions, solidify 0.5h～2h, after under 60 ℃～80 ℃ conditions, solidify 1h～4h, naturally cooling.
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| CN107207765A (en) * | 2014-12-03 | 2017-09-26 | 芭铎集团 | Composite foam, the preparation method of composite foam and the buoyant material comprising composite foam |
| CN104448710A (en) * | 2014-12-08 | 2015-03-25 | 河北汉光重工有限责任公司 | Deepwater solid buoyancy material and preparation method thereof |
| CN105985610A (en) * | 2015-02-06 | 2016-10-05 | 上海尖端工程材料有限公司 | Method for producing solid buoyancy material |
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| CN109627690B (en) * | 2018-11-27 | 2021-04-02 | 中国船舶重工集团公司第七二五研究所 | Solid buoyancy material containing three-dimensional fiber reinforcement and preparation method thereof |
| CN110002896A (en) * | 2019-05-15 | 2019-07-12 | 韦云栋 | A kind of fibre reinforced microballoon composite polyurethane foam material and preparation method |
| CN111391435A (en) * | 2020-03-25 | 2020-07-10 | 巩义市泛锐熠辉复合材料有限公司 | Novel composite fiber board and preparation method thereof |
| CN112029061A (en) * | 2020-08-24 | 2020-12-04 | 巢湖市国力航标器材有限公司 | Preparation method of buoy material with high weather resistance |
| CN113402851A (en) * | 2021-07-14 | 2021-09-17 | 巩义市泛锐熠辉复合材料有限公司 | Underwater special-shaped component and preparation method thereof |
| CN113621168A (en) * | 2021-09-10 | 2021-11-09 | 嘉兴学院 | Millimeter-scale core-shell structure sphere material and preparation method thereof |
| CN113621168B (en) * | 2021-09-10 | 2022-09-30 | 嘉兴学院 | Millimeter-scale core-shell structure sphere material and preparation method thereof |
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