CN102002851A - PBO (Poly-p-phenylenebenzobisoxazazole) fiber fabric ship with super buoyancy and preparation method thereof - Google Patents
PBO (Poly-p-phenylenebenzobisoxazazole) fiber fabric ship with super buoyancy and preparation method thereof Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
一种具有超浮力的聚对苯撑苯并双噁唑纤维织物船及其制备方法，涉及一种具有超浮力的纤维织物船及其制备方法，得到载重超过理论载重、水中运动阻力小的船。纤维织物船由支撑体和包覆在支撑体外表面的具有疏水性能的聚对苯撑苯并双噁唑纤维织物构成。制备方法：将PBO纤维织物抽提处理去除表面涂层后，浸入全氟烷基硅氧烷溶液中，浸泡晾干后，重复浸泡晾干4～6次，再加热固化得具有疏水性能的聚对苯撑苯并双噁唑纤维织物，然后将其包覆至支撑体外表面即可。本发明中具有疏水性能的PBO纤维织物与水的接触角达到142°～153°，进而使得本发明的具有超浮力的聚对苯撑苯并双噁唑纤维织物船能够承载超过理论载荷的30％～50％的重量。A poly-p-phenylenebenzobisoxazole fiber fabric boat with super buoyancy and a preparation method thereof, relating to a fiber fabric boat with super buoyancy and a preparation method thereof, to obtain a boat with a load exceeding the theoretical load and low movement resistance in water . The fiber fabric boat is composed of a support body and a hydrophobic poly-p-phenylene benzobisoxazole fiber fabric coated on the outer surface of the support body. Preparation method: After extracting and removing the surface coating of the PBO fiber fabric, immerse it in the perfluoroalkyl siloxane solution, soak and dry it, repeat soaking and drying it for 4 to 6 times, and then heat and solidify to obtain a hydrophobic polymer. The p-phenylene benzobisoxazole fiber fabric is then coated on the outer surface of the support body. In the present invention, the contact angle between the PBO fiber fabric with hydrophobic properties and water reaches 142°～153°, and then the poly-p-phenylene benzobisoxazole fiber fabric boat with super buoyancy of the present invention can carry more than 30% of the theoretical load. % to 50% by weight.
Description
Technical field
The present invention relates to a kind of fabric ship and preparation method thereof with super buoyancy.
Background technology
Pbo fiber (polyparaphenylene's benzo-dioxazole fiber) is the existing a kind of compound that contains the benzene nitrogen polymer best performance show of aromatic heterocycle.Pbo fiber has characteristics such as high strength, high-modulus and good heat resistance.The tensile strength that Zylon spins in Japan is 5.8MP a, and the tensile modulus of high model product is 280GP a, and heat decomposition temperature is 650 ℃, and limited oxygen index is 68, does not burn in flame, does not shrink, and heat resistance and flame retardancy are higher than other any organic fiber.Be mainly used in heat-resisting technical textile and fibre reinforced materials.Therefore, pbo fiber is described as " super fiber of 21 century ".The tensional module of elasticity of pbo fiber is 2 times of high-modulus Kevlar-149 fiber, and is also higher than the modulus of aerospace grade carbon fiber.Pbo fiber has long filament and short silk, as reinforcing material and unique fabric, can be used for military aircraft, and the structural material of critical facility and spaceship also can be used for anti-ray, waterproof, fire-retardant and protective clothing.Utilize the performance of its difficult combustion, the PBO spinning can prepare fire-entry suit.The performance of fire-entry suit directly influence is engaged in rescue and fire extinguishing personnel's safety assurance at fire-extinguishing location, therefore must pay attention to its flame resistance and operation especially.
Pbo fiber has superhigh intensity, in light weight, after making the good thin specification lining of operation, flame retardancy is good, can be used for producing high performance fire-entry suit, production stokehold clothes, welding clothes, anti-cutting protective clothing, racing car clothes, jockey dress, various sportswears etc., to replace existing organic fibrous material, and be used for the frontier that general superfluorescent fiber can not be suitable for.
Summary of the invention
The purpose of this invention is to provide a kind of polyparaphenylene's benzo-dioxazole fabric ship and preparation method thereof, obtained load-carrying and surpass theoretical load-carrying, ship that the underwater exercise resistance is little with super buoyancy.
Polyparaphenylene's benzo-dioxazole fabric ship with super buoyancy of the present invention, be to constitute by supporter and the polyparaphenylene's benzo-dioxazole fabric that is coated on the supporter outer surface with hydrophobic performance, wherein one layer thickness is arranged is the perfluoroalkyl silicone film of 30～40nm to polyparaphenylene's benzo-dioxazole fabric surface coverage, and the aperture size of polyparaphenylene's benzo-dioxazole fabric is not more than 2.0mm * 2.0mm.
Preparation method with polyparaphenylene's benzo-dioxazole fabric ship of super buoyancy of the present invention, realize by following steps: the preparation that, has polyparaphenylene's benzo-dioxazole fabric of hydrophobic performance: a, by weight percentage 1%～8% perfluoroalkyl siloxanes, 1%～10% water, 1%～10% glacial acetic acid and the ethanol of surplus are mixed, sonicated 30～120min, get the perfluoroalkyl siloxane solution, the chemical general formula of wherein said perfluoroalkyl siloxanes is CF
3(CF
2)
nSi (OC
mH
2m+1)
3, n=2～20 wherein, m=1～20; B, adopt the organic solvent extracting to handle polyparaphenylene's benzo-dioxazole fabric (PBO) to remove face coat, normal temperature dries, washing then, oven dry again; Wherein the aperture size of polyparaphenylene's benzo-dioxazole fabric is not more than 2.0mm * 2.0mm; In c, the perfluoroalkyl siloxane solution with the polyparaphenylene's benzo-dioxazole fabric immersion step 1 preparation after the step 2 processing, behind immersion 10～60s, taking-up is dried; The operation of d, repeating step 3 4～6 times gets polyparaphenylene's benzo-dioxazole fabric that surface impregnation has the perfluoroalkyl siloxane solution; E, polyparaphenylene's benzo-dioxazole fabric that step 4 is got are incubated 3～12h down at 100～120 ℃, promptly on polyparaphenylene's benzo-dioxazole fabric, cover one deck perfluoroalkyl silicone film, thickness is 30～40nm, obtains having polyparaphenylene's benzo-dioxazole fabric of hydrophobic performance;
Two, the polyparaphenylene's benzo-dioxazole fabric with hydrophobic performance that step 1 is prepared is coated on the supporter outer surface, promptly gets the polyparaphenylene's benzo-dioxazole fabric ship with super buoyancy.
The present invention adopt a kind of easy, form super hydrophobic surface by solution dipping method on pbo fiber surface with macro-scale roughness, at first will have the silicone cross-linked pbo fiber fabric face of handling in the process extracting of perfluoroalkyl of low-surface-energy, form super-hydrophobic pbo fiber again through being heating and curing by the means of chemical reaction.Then it is coated on the supporter outer surface, obtains having polyparaphenylene's benzo-dioxazole fabric ship of super buoyancy performance.This polyparaphenylene's benzo-dioxazole fabric gear has that loading capacity is big, ship resistance is little in water, Hull Strength is high, scratch resistance is rubbed, the advantage of anti-collision.Simultaneously the pbo fiber fabric is as the surperficial outer additional materials of supporter (hull), for hull provides extra buoyancy, when reducing ship resistance, and provides enough protection (shellproof, anti-collision etc.) for hull.
Polyparaphenylene's benzo-dioxazole fabric of surface coverage one deck perfluoroalkyl silicone film that step 1 of the present invention prepares has good hydrophobic performance, reaches 142 °～153 ° with the contact angle of water.And then make the polyparaphenylene's benzo-dioxazole fabric ship with super buoyancy of the present invention can carry 30%～50% weight above theory load, wherein, theoretical load-carrying is obtained buoyancy by fabric marine railway water.
Super buoyancy of the present invention is meant at pbo fiber fabric ship itself and obtains the extra buoyancy that also has outside the buoyancy by draining, this buoyancy is that the hydrophobicity the subject of knowledge and the object of knowledge that the pbo fiber fabric face has brings, main cause is that its surface has super-hydrophobicity, water can't soak into its surface fully, just water-PBO surface can't replaces air-PBO surface, thereby the part air is between pbo fiber and the water, and this part air provides extra buoyancy.
The specific embodiment
Technical solution of the present invention is not limited to the following cited specific embodiment, also comprises any combination between each specific embodiment.
The specific embodiment one: present embodiment has polyparaphenylene's benzo-dioxazole fabric ship of super buoyancy, be to constitute by supporter and the polyparaphenylene's benzo-dioxazole fabric that is coated on the supporter outer surface with hydrophobic performance, wherein one layer thickness is arranged is the perfluoroalkyl silicone film of 30～40nm to polyparaphenylene's benzo-dioxazole fabric surface coverage, and the aperture size of polyparaphenylene's benzo-dioxazole fabric is not more than 2.0mm * 2.0mm.
Supporter described in the present embodiment is meant the open-top receptacle that can be used in loaded with articles.
Polyparaphenylene's benzo-dioxazole fabric of the covering one deck perfluoroalkyl silicone film that coats at the supporter outer surface in the present embodiment has good hydrophobic performance, reaches 142 °～153 ° with the contact angle of water.And then make the polyparaphenylene's benzo-dioxazole fabric ship with super buoyancy of present embodiment can carry 30%～50% weight above theory load.
The specific embodiment two: present embodiment and the specific embodiment one are different is that the material of described supporter is glass or metal.Other parameter is identical with the specific embodiment one.
In the present embodiment material of supporter be not limited to above-mentioned cited several, as long as can all can be used for present embodiment by fixed-type material.
The specific embodiment three: present embodiment is different with the specific embodiment one or two is that the aperture size of polyparaphenylene's benzo-dioxazole fabric is 0.5mm * 0.5mm.Other parameter is identical with the specific embodiment one or two.
Polyparaphenylene's benzo-dioxazole fabric of present embodiment has best hydrophobic performance, reaches 153 ° with the contact angle of water.
The specific embodiment four: present embodiment and the specific embodiment one, two or three are different is that the chemical general formula of perfluoroalkyl siloxanes in the described perfluoroalkyl silicone film is CF
3(CF
2)
nSi (OC
mH
2m+1)
3, n=2～20 wherein, m=1～20.Other parameter is identical with the specific embodiment one, two or three.
The specific embodiment five: present embodiment and the specific embodiment four are different is n=6～10 wherein, m=1～3.Other parameter is identical with the specific embodiment four.
The specific embodiment six: present embodiment and the specific embodiment four are different is n=6 wherein, m=2.Other parameter is identical with the specific embodiment four.
In the present embodiment in the perfluoroalkyl silicone film chemical structural formula of perfluoroalkyl siloxanes as follows:
The specific embodiment seven: present embodiment is different with one of specific embodiment one to six is that polyparaphenylene's benzo-dioxazole fabric is unidirectional fibre cloth, drillipg, nonwoven fabric, plain, satin or three dimensional fabric in described polyparaphenylene's benzo-dioxazole fabric with hydrophobic performance.Other parameter is identical with one of specific embodiment one to six.
The specific embodiment eight: present embodiment is the specific embodiment one described preparation method with polyparaphenylene's benzo-dioxazole fabric ship of super buoyancy, realize by following steps: the preparation that, has polyparaphenylene's benzo-dioxazole fabric of hydrophobic performance: a, by weight percentage 1%～8% perfluoroalkyl siloxanes, 1%～10% water, 1%～10% glacial acetic acid and the ethanol of surplus are mixed, sonicated 30～120min gets the perfluoroalkyl siloxane solution; B, adopt the organic solvent extracting to handle polyparaphenylene's benzo-dioxazole fabric (PBO) to remove face coat, normal temperature dries, washing then, oven dry again; Wherein the aperture size of polyparaphenylene's benzo-dioxazole fabric is not more than 2.0mm * 2.0mm; In c, the perfluoroalkyl siloxane solution with the polyparaphenylene's benzo-dioxazole fabric immersion step 1 preparation after the step 2 processing, behind immersion 10～60s, taking-up is dried; The operation of d, repeating step 3 4～6 times gets polyparaphenylene's benzo-dioxazole fabric that surface impregnation has the perfluoroalkyl siloxane solution; E, polyparaphenylene's benzo-dioxazole fabric that step 4 is got are incubated 3～12h down at 100～120 ℃, promptly on polyparaphenylene's benzo-dioxazole fabric, cover one deck perfluoroalkyl silicone film, thickness is 30～40nm, obtains having polyparaphenylene's benzo-dioxazole fabric of hydrophobic performance;
Two, the polyparaphenylene's benzo-dioxazole fabric with hydrophobic performance that step 1 is prepared is coated on the supporter outer surface, promptly gets the polyparaphenylene's benzo-dioxazole fabric ship with super buoyancy.
Present embodiment prepares the polyparaphenylene's benzo-dioxazole fabric ship with super buoyancy described in the specific embodiment one.Supporter is meant the open-top receptacle that can be used in loaded with articles described in the present embodiment step 2.
The polyparaphenylene's benzo-dioxazole fabric with hydrophobic performance that step 1 prepares in the present embodiment has good hydrophobic performance, reach 142 °～153 ° with the contact angle of water, the polyparaphenylene's benzo-dioxazole fabric ship with super buoyancy that obtains with its coating can carry 30%～50% weight above theory load.
The specific embodiment nine: present embodiment and the specific embodiment eight are different is by weight percentage 1.5%～4% perfluoroalkyl siloxanes, 3%～8% water, 3%～8% glacial acetic acid and the ethanol of surplus to be mixed in a step of step 1.Other step and parameter are identical with the specific embodiment eight.
The mass concentration of the perfluoroalkyl siloxane solution that the present embodiment step 1 obtains is 1.5%～4%.
The specific embodiment ten: present embodiment and the specific embodiment one are different is by weight percentage 2% perfluoroalkyl siloxanes, 5% water, 5% glacial acetic acid and the ethanol of surplus to be mixed in a step of step 1.Other step and parameter are identical with the specific embodiment eight.
The mass concentration of the perfluoroalkyl siloxane solution that the present embodiment step 1 obtains is 2%.
The specific embodiment 11: present embodiment and the specific embodiment eight, nine or ten are different is that the chemical general formula of perfluoroalkyl siloxanes described in a step of step 1 is CF
3(CF
2)
nSi (OC
mH
2m+1)
3, n=2～20 wherein, m=1～20.Other step and parameter are identical with the specific embodiment eight, nine or ten.
The specific embodiment 12: present embodiment and the specific embodiment 11 are different is n=6～10 wherein, m=1～3.Other step and parameter are identical with the specific embodiment 11.
The specific embodiment 13: present embodiment and the specific embodiment 11 are different is n=6 wherein, m=2.Other step and parameter are identical with the specific embodiment 11.
The chemical structural formula of the perfluoroalkyl siloxanes of present embodiment is the same with the specific embodiment six.
The specific embodiment 14: present embodiment is different with one of specific embodiment eight to 13 is that polyparaphenylene's benzo-dioxazole fabric is unidirectional fibre cloth, drillipg, nonwoven fabric, plain, satin or three dimensional fabric in the b step of step 1.Other step and parameter are identical with one of specific embodiment eight to 13.
The specific embodiment 15: present embodiment is different with one of specific embodiment eight to 14 is that the aperture size of polyparaphenylene's benzo-dioxazole fabric is 0.5mm * 0.5mm in the b step of step 1.Other step and parameter are identical with one of specific embodiment eight to 14.
The specific embodiment 16: present embodiment is different with one of specific embodiment eight to 15 is to soak 20～50s in the c step of step 1.Other step and parameter are identical with one of specific embodiment eight to 15.
The specific embodiment 17: present embodiment is different with one of specific embodiment eight to 15 is to soak 30s in the c step of step 1.Other step and parameter are identical with one of specific embodiment eight to 15.
The specific embodiment 18: what present embodiment was different with one of specific embodiment eight to 17 is that the polyparaphenylene's benzo-dioxazole fabric that in the e step of step 1 the c step is got is incubated 10h down at 110 ℃.Other step and parameter are identical with one of specific embodiment eight to 17.
The specific embodiment 19: present embodiment is different with one of specific embodiment eight to 18 is that the material of supporter described in the step 2 is glass or metal.Other parameter is identical with one of specific embodiment eight to 18.
In the present embodiment material of supporter be not limited to above-mentioned cited several, as long as can all can be used for present embodiment by fixed-type material.
The specific embodiment 20: present embodiment has the preparation method of polyparaphenylene's benzo-dioxazole fabric ship of super buoyancy, realize by following steps: the preparation that, has polyparaphenylene's benzo-dioxazole fabric of hydrophobic performance: a, by weight percentage 1% perfluoroalkyl siloxanes, 3% water, 3% glacial acetic acid and the ethanol of surplus are mixed, sonicated 30min gets the perfluoroalkyl siloxane solution; B, adopt the organic solvent extracting to handle polyparaphenylene's benzo-dioxazole fabric (PBO) to remove face coat, normal temperature dries, washing then, oven dry again; Wherein the aperture size of polyparaphenylene's benzo-dioxazole fabric is 0.5mm * 0.5mm; In c, the perfluoroalkyl siloxane solution with the polyparaphenylene's benzo-dioxazole fabric immersion step 1 preparation after the step 2 processing, behind the immersion 30s, taking-up is dried; The operation of d, repeating step 36 times gets polyparaphenylene's benzo-dioxazole fabric that surface impregnation has the perfluoroalkyl siloxane solution; E, polyparaphenylene's benzo-dioxazole fabric that step 4 is got are incubated 10h down at 110 ℃, promptly on polyparaphenylene's benzo-dioxazole fabric, cover one deck perfluoroalkyl silicone film, thickness is 40nm, obtains having polyparaphenylene's benzo-dioxazole fabric of hydrophobic performance;
Two, the polyparaphenylene's benzo-dioxazole fabric with hydrophobic performance that step 1 is prepared is coated on the supporter outer surface, promptly gets the polyparaphenylene's benzo-dioxazole fabric ship with super buoyancy.
The perfluoroalkyl siloxanes that adopts in a step of present embodiment step 1 is in the specific embodiment six record.The polyparaphenylene's benzo-dioxazole fabric with hydrophobic performance that the present embodiment step 1 prepares and the contact angle of water are 142 °, have good hydrophobic performance.
Supporter described in the present embodiment step 2 is the open-top receptacle that is prepared by simple glass, is of a size of 30mm * 20mm * 10mm, and its theoretical load-carrying is 6g.The load-carrying of the polyparaphenylene's benzo-dioxazole fabric ship with super buoyancy that present embodiment prepares reaches 8.5g, exceed supporter theoretical load-carrying 42%.The method of adding weight in ship is adopted in the load carrying behaviour test in the present embodiment, does not make water enter hull by the maximum capacity to laying weight, finally determines the bearing capacity of ship.
The specific embodiment 21: present embodiment has the preparation method of polyparaphenylene's benzo-dioxazole fabric ship of super buoyancy, realize by following steps: the preparation that, has polyparaphenylene's benzo-dioxazole fabric of hydrophobic performance: a, by weight percentage 2% perfluoroalkyl siloxanes, 5% water, 5% glacial acetic acid and the ethanol of surplus are mixed, sonicated 60min gets the perfluoroalkyl siloxane solution; B, adopt the organic solvent extracting to handle polyparaphenylene's benzo-dioxazole fabric (PBO) to remove face coat, normal temperature dries, washing then, oven dry again; Wherein the aperture size of polyparaphenylene's benzo-dioxazole fabric is 0.5mm * 0.5mm; In c, the perfluoroalkyl siloxane solution with the polyparaphenylene's benzo-dioxazole fabric immersion step 1 preparation after the step 2 processing, behind the immersion 30s, taking-up is dried; The operation of d, repeating step 35 times gets polyparaphenylene's benzo-dioxazole fabric that surface impregnation has the perfluoroalkyl siloxane solution; E, polyparaphenylene's benzo-dioxazole fabric that step 4 is got are incubated 10h down at 110 ℃, promptly on polyparaphenylene's benzo-dioxazole fabric, cover one deck perfluoroalkyl silicone film, thickness is 35nm, obtains having polyparaphenylene's benzo-dioxazole fabric of hydrophobic performance;
Two, the polyparaphenylene's benzo-dioxazole fabric with hydrophobic performance that step 1 is prepared is coated on the supporter outer surface, promptly gets the polyparaphenylene's benzo-dioxazole fabric ship with super buoyancy.
The perfluoroalkyl siloxanes that adopts in a step of present embodiment step 1 is in the specific embodiment six record.The polyparaphenylene's benzo-dioxazole fabric with hydrophobic performance that the present embodiment step 1 prepares and the contact angle of water are 153 °, have good hydrophobic performance.
Supporter described in the present embodiment step 2 is the open-top receptacle that is prepared by simple glass, is of a size of 30mm * 20mm * 10mm, and its theoretical load-carrying is 6g.The load-carrying of the polyparaphenylene's benzo-dioxazole fabric ship with super buoyancy that present embodiment prepares reaches 8.8g, exceed supporter theoretical load-carrying 47%.
The specific embodiment 22: present embodiment has the preparation method of polyparaphenylene's benzo-dioxazole fabric ship of super buoyancy, realize by following steps: the preparation that, has polyparaphenylene's benzo-dioxazole fabric of hydrophobic performance: a, by weight percentage 4% perfluoroalkyl siloxanes, 8% water, 8% glacial acetic acid and the ethanol of surplus are mixed, sonicated 90min gets the perfluoroalkyl siloxane solution; B, adopt the organic solvent extracting to handle polyparaphenylene's benzo-dioxazole fabric (PBO) to remove face coat, normal temperature dries, washing then, oven dry again; Wherein the aperture size of polyparaphenylene's benzo-dioxazole fabric is 0.5mm * 0.5mm; In c, the perfluoroalkyl siloxane solution with the polyparaphenylene's benzo-dioxazole fabric immersion step 1 preparation after the step 2 processing, behind the immersion 30s, taking-up is dried; The operation of d, repeating step 35 times gets polyparaphenylene's benzo-dioxazole fabric that surface impregnation has the perfluoroalkyl siloxane solution; E, polyparaphenylene's benzo-dioxazole fabric that step 4 is got are incubated 10h down at 110 ℃, promptly on polyparaphenylene's benzo-dioxazole fabric, cover one deck perfluoroalkyl silicone film, thickness is 35nm, obtains having polyparaphenylene's benzo-dioxazole fabric of hydrophobic performance;
Two, the polyparaphenylene's benzo-dioxazole fabric with hydrophobic performance that step 1 is prepared is coated on the supporter outer surface, promptly gets the polyparaphenylene's benzo-dioxazole fabric ship with super buoyancy.
The perfluoroalkyl siloxanes that adopts in a step of present embodiment step 1 is in the specific embodiment six record.The polyparaphenylene's benzo-dioxazole fabric with hydrophobic performance that the present embodiment step 1 prepares and the contact angle of water are 148 °, have good hydrophobic performance.
Supporter described in the present embodiment step 2 is the open-top receptacle that is prepared by simple glass, is of a size of 30mm * 20mm * 10mm, and its theoretical load-carrying is 6g.The load-carrying of the polyparaphenylene's benzo-dioxazole fabric ship with super buoyancy that present embodiment prepares reaches 8.25g, exceed supporter theoretical load-carrying 37.5%.
The specific embodiment 23: present embodiment has the preparation method of polyparaphenylene's benzo-dioxazole fabric ship of super buoyancy, realize by following steps: the preparation that, has polyparaphenylene's benzo-dioxazole fabric of hydrophobic performance: a, by weight percentage 8% perfluoroalkyl siloxanes, 10% water, 10% glacial acetic acid and the ethanol of surplus are mixed, sonicated 120min gets the perfluoroalkyl siloxane solution; B, adopt the organic solvent extracting to handle polyparaphenylene's benzo-dioxazole fabric (PBO) to remove face coat, normal temperature dries, washing then, oven dry again; Wherein the aperture size of polyparaphenylene's benzo-dioxazole fabric is 0.5mm * 0.5mm; In c, the perfluoroalkyl siloxane solution with the polyparaphenylene's benzo-dioxazole fabric immersion step 1 preparation after the step 2 processing, behind the immersion 30s, taking-up is dried; The operation of d, repeating step 34 times gets polyparaphenylene's benzo-dioxazole fabric that surface impregnation has the perfluoroalkyl siloxane solution; E, polyparaphenylene's benzo-dioxazole fabric that step 4 is got are incubated 10h down at 110 ℃, promptly on polyparaphenylene's benzo-dioxazole fabric, cover one deck perfluoroalkyl silicone film, thickness is 30nm, obtains having polyparaphenylene's benzo-dioxazole fabric of hydrophobic performance;
Two, the polyparaphenylene's benzo-dioxazole fabric with hydrophobic performance that step 1 is prepared is coated on the supporter outer surface, promptly gets the polyparaphenylene's benzo-dioxazole fabric ship with super buoyancy.
The perfluoroalkyl siloxanes that adopts in a step of present embodiment step 1 is in the specific embodiment six record.The polyparaphenylene's benzo-dioxazole fabric with hydrophobic performance that the present embodiment step 1 prepares and the contact angle of water are 143 °, have good hydrophobic performance.
Supporter described in the present embodiment step 2 is the open-top receptacle that is prepared by simple glass, is of a size of 30mm * 20mm * 10mm, and its theoretical load-carrying is 6g.The load-carrying of the polyparaphenylene's benzo-dioxazole fabric ship with super buoyancy that present embodiment prepares reaches 8.0g, exceed supporter theoretical load-carrying 33.3%.
Claims (10)
1. polyparaphenylene's benzo-dioxazole fabric ship with super buoyancy, the polyparaphenylene's benzo-dioxazole fabric ship that it is characterized in that having super buoyancy is to be made of supporter and the polyparaphenylene's benzo-dioxazole fabric with hydrophobic performance that is coated on the supporter outer surface, wherein one layer thickness is arranged is the perfluoroalkyl silicone film of 30～40nm to polyparaphenylene's benzo-dioxazole fabric surface coverage, and the aperture size of polyparaphenylene's benzo-dioxazole fabric is not more than 2.0mm * 2.0mm.
2. a kind of polyparaphenylene's benzo-dioxazole fabric ship with super buoyancy according to claim 1, the aperture size that it is characterized in that polyparaphenylene's benzo-dioxazole fabric is 0.5mm * 0.5mm.
3. a kind of polyparaphenylene's benzo-dioxazole fabric ship with super buoyancy according to claim 1 and 2, the chemical general formula that it is characterized in that perfluoroalkyl siloxanes in the described perfluoroalkyl silicone film is CF
3(CF
2)
nSi (OC
mH
2m+1)
3, n=2～20 wherein, m=1～20.
4. a kind of polyparaphenylene's benzo-dioxazole fabric ship with super buoyancy according to claim 1 and 2 is characterized in that polyparaphenylene's benzo-dioxazole fabric is unidirectional fibre cloth, drillipg, nonwoven fabric, plain, satin or three dimensional fabric in described polyparaphenylene's benzo-dioxazole fabric with hydrophobic performance.
5. a kind of preparation method as claimed in claim 1 with polyparaphenylene's benzo-dioxazole fabric ship of super buoyancy, it is characterized in that having the preparation method of polyparaphenylene's benzo-dioxazole fabric ship of super buoyancy, realize by following steps: the preparation that, has polyparaphenylene's benzo-dioxazole fabric of hydrophobic performance: a, by weight percentage 1%～8% perfluoroalkyl siloxanes, 1%～10% water, 1%～10% glacial acetic acid and the ethanol of surplus are mixed, sonicated 30～120min gets the perfluoroalkyl siloxane solution; B, adopt the organic solvent extracting to handle polyparaphenylene's benzo-dioxazole fabric to remove face coat, normal temperature dries, washing then, oven dry again; Wherein the aperture size of polyparaphenylene's benzo-dioxazole fabric is not more than 2.0mm * 2.0mm; In c, the perfluoroalkyl siloxane solution with the polyparaphenylene's benzo-dioxazole fabric immersion step 1 preparation after the step 2 processing, behind immersion 10～60s, taking-up is dried; The operation of d, repeating step 3 4～6 times gets polyparaphenylene's benzo-dioxazole fabric that surface impregnation has the perfluoroalkyl siloxane solution; E, polyparaphenylene's benzo-dioxazole fabric that step 4 is got are incubated 3～12h down at 100～120 ℃, promptly on polyparaphenylene's benzo-dioxazole fabric, cover one deck perfluoroalkyl silicone film, thickness is 30～40nm, obtains having polyparaphenylene's benzo-dioxazole fabric of hydrophobic performance;
Two, the polyparaphenylene's benzo-dioxazole fabric with hydrophobic performance that step 1 is prepared is coated on the supporter outer surface, promptly gets the polyparaphenylene's benzo-dioxazole fabric ship with super buoyancy.
6. a kind of preparation method with polyparaphenylene's benzo-dioxazole fabric ship of super buoyancy according to claim 5 is characterized in that in a step of step 1 by weight percentage 1.5%～4% perfluoroalkyl siloxanes, 3%～8% water, 3%～8% glacial acetic acid and the ethanol of surplus are mixed.
7. a kind of preparation method with polyparaphenylene's benzo-dioxazole fabric ship of super buoyancy according to claim 5 is characterized in that in a step of step 1 by weight percentage 2% perfluoroalkyl siloxanes, 5% water, 5% glacial acetic acid and the ethanol of surplus are mixed.
8. according to claim 5,6 or 7 described a kind of preparation methods, it is characterized in that the chemical general formula of perfluoroalkyl siloxanes described in a step of step 1 is CF with polyparaphenylene's benzo-dioxazole fabric ship of super buoyancy
3(CF
2)
nSi (OC
mH
2m+1)
3, n=2～20 wherein, m=1～20.
9. a kind of preparation method with polyparaphenylene's benzo-dioxazole fabric ship of super buoyancy according to claim 8 is characterized in that polyparaphenylene's benzo-dioxazole fabric is unidirectional fibre cloth, drillipg, nonwoven fabric, plain, satin or three dimensional fabric in the b step of step 1.
10. according to claim 5,6 or 7 described a kind of preparation methods, it is characterized in that the aperture size of polyparaphenylene's benzo-dioxazole fabric in the b step of step 1 is 0.5mm * 0.5mm with polyparaphenylene's benzo-dioxazole fabric ship of super buoyancy.
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| CN2010105552753A CN102002851A (en) | 2010-11-23 | 2010-11-23 | PBO (Poly-p-phenylenebenzobisoxazazole) fiber fabric ship with super buoyancy and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105552753A CN102002851A (en) | 2010-11-23 | 2010-11-23 | PBO (Poly-p-phenylenebenzobisoxazazole) fiber fabric ship with super buoyancy and preparation method thereof |
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| CN102002851A true CN102002851A (en) | 2011-04-06 |
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