CN110466723B - Energy-absorbing protection structure of ceramic hollow buoyancy ball and preparation method thereof - Google Patents
Energy-absorbing protection structure of ceramic hollow buoyancy ball and preparation method thereof Download PDFInfo
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- CN110466723B CN110466723B CN201810449187.1A CN201810449187A CN110466723B CN 110466723 B CN110466723 B CN 110466723B CN 201810449187 A CN201810449187 A CN 201810449187A CN 110466723 B CN110466723 B CN 110466723B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D22/00—Producing hollow articles
- B29D22/04—Spherical articles, e.g. balls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0658—PE, i.e. polyethylene characterised by its molecular weight
- B29K2023/0683—UHMWPE, i.e. ultra high molecular weight polyethylene
Abstract
The technical scheme of the invention discloses an energy-absorbing protection structure of a ceramic hollow buoyancy ball, which comprises a spherical shell made of ultra-high molecular weight polyethylene fiber material, wherein the spherical shell is arranged on the surface of the ceramic hollow buoyancy ball. The technical scheme of the invention adopts the ultra-high molecular weight polyethylene as the material of the energy-absorbing protection structure of the ceramic hollow buoyancy ball, which not only can prevent the ceramic hollow buoyancy ball from being damaged by impact in all links of transportation and installation, but also more importantly, the ultra-high molecular weight polyethylene has enough strength to effectively absorb the huge energy released when the ceramic hollow buoyancy ball implodes in deep sea, thereby avoiding influencing other structures of the submersible vehicle, especially ensuring the safety of passengers in the manned submersible vehicle, and the invention has simple integral structure and easy manufacture.
Description
Technical Field
The invention relates to the technical field of material protection, in particular to an energy-absorbing protection structure of a ceramic hollow buoyancy ball and a preparation method thereof.
Background
The deep diving technology is an important part of national defense safety and ocean resource development technology. The development and utilization of ocean resources, particularly deep sea resources, play an important role in development strategies of various countries, the deep sea detection technology is the key for the development and utilization of the deep sea resources, and the deep sea buoyancy material is an important guarantee for realizing the deep sea detection.
"Haishen" unmanned submersible developed by wooded Hall Marine institute (WHOI) equips an alumina ceramic hollow ball and a tank body which can be used in 11000m deep sea, but unfortunately, the "Haishen" has a seabed implosion accident, so that a structure is urgently needed to be found, and the huge energy released after the implosion can be effectively absorbed when the ceramic hollow ball implodes in the deep sea, and the interlocking implosion reaction can be avoided.
Disclosure of Invention
The technical problem to be solved by the technical scheme is that when the hollow buoyancy ball implodes in deep sea, the influence of the implosion is reduced, and the occurrence of linked implosion reaction is avoided.
In order to solve the technical problems, the technical scheme of the invention provides an energy-absorbing protection structure of a hollow buoyancy ball, wherein the energy-absorbing protection structure covers the surface of the hollow buoyancy ball and is made of an ultrahigh molecular weight polyethylene (UHMWPE) material. Preferably, the density of the ultra-high molecular weight polyethylene material of the invention is less than 1g/cm 3 . Preferably, the hollow buoyancy ball is a ceramic hollow buoyancy ball.
In one aspect of the invention, an energy absorbing protective structure for a hollow buoyant sphere comprises a spherical shell made of ultra-high molecular weight polyethylene fiber material, the spherical shell being disposed on a surface of the hollow buoyant sphere.
Optionally, the surface of the spherical shell is provided with a water through hole.
Optionally, the aperture of the water through hole is 1mm to 10mm, and more preferably 3mm to 5 mm.
Optionally, the number of the water through holes formed in each hemispherical shell is 1-10, and more preferably 1-3.
Optionally, the water through holes are symmetrically arranged on the spherical shell.
Optionally, the thickness of the spherical shell ranges from 2mm to 50mm, preferably from 10mm to 40mm, and more preferably from 20mm to 30mm, as long as the thickness of the spherical shell does not affect the buoyancy of the hollow buoyancy ball.
Optionally, the spherical shell is formed by combining a first hemispherical shell and a second hemispherical shell, and the first hemispherical shell and the second hemispherical shell can be combined in a threaded manner, a riveted manner, a fastening manner or a locking manner. Alternatively, the spherical shell may be manufactured by molding, injection molding, or the like.
The invention provides an energy-absorbing protection structure of a hollow buoyancy ball, which comprises ultrahigh molecular weight polyethylene fibers and a resin layer, wherein the ultrahigh molecular weight polyethylene fibers are coated on the surface of the ceramic hollow buoyancy ball to form an ultrahigh molecular weight polyethylene fiber layer, and the resin layer is coated on the ultrahigh molecular weight polyethylene fiber layer to solidify the ultrahigh molecular weight polyethylene fiber layer.
Optionally, the surface of the hollow buoyancy ball is uniformly coated with the ultra-high molecular weight polyethylene fibers on any equator.
Optionally, the thickness of the ultra-high molecular weight polyethylene fiber layer ranges from 1mm to 20mm, preferably from 5mm to 10 mm.
Optionally, the resin used for curing in the resin layer and the ultra-high molecular weight polyethylene fiber have good bonding property, and preferably, the resin layer is made of an epoxy resin material.
Optionally, the energy-absorbing protection structure comprises a plurality of ultra-high molecular weight polyethylene fiber layers, each layer is coated with a resin layer for curing, and the plurality of ultra-high molecular weight polyethylene fiber layers and the plurality of resin layers form a multilayer composite material structure, so that energy generated by the implosion of the hollow buoyancy ball can be better absorbed.
In another aspect of the present invention, the energy-absorbing protection structure of the hollow buoyant ball comprises a spherical shell made of ultra-high molecular weight polyethylene material, an ultra-high molecular weight polyethylene fiber layer and a resin layer, wherein the spherical shell is sleeved on the surface of the ceramic hollow buoyant ball, the ultra-high molecular weight polyethylene fiber layer is wrapped on the surface of the spherical shell, and the resin layer is coated on the ultra-high molecular weight polyethylene fiber layer.
Preferably, the energy-absorbing protection structure comprises a spherical shell made of an ultra-high molecular weight polyethylene material and a plurality of ultra-high molecular weight polyethylene fiber layers, wherein each layer is coated with a resin layer for curing, and the plurality of ultra-high molecular weight polyethylene fiber layers and the plurality of resin layers form a multilayer composite material structure.
Optionally, the thickness range of the spherical shell of the energy-absorbing protection structure is 1 mm-20 mm, and optionally, the sum of the thicknesses of the spherical shell and the ultrahigh molecular weight polyethylene fiber layer in the energy-absorbing protection structure is 2 mm-30 mm.
Optionally, the density of the ultra-high molecular weight polyethylene material in the energy-absorbing protection structure of the invention is less than 1g/cm 3 。
Optionally, the energy-absorbing protection structure of the hollow buoyancy ball is an energy-absorbing protection structure of a ceramic hollow buoyancy ball.
In another aspect of the invention, a hollow buoyant ball is provided, which comprises a ball body and the energy-absorbing protection structure of the hollow buoyant ball, wherein the energy-absorbing protection structure is sleeved on the surface of the ball body. Optionally, the hollow buoyant spheres are ceramic hollow buoyant spheres. Without being limited thereto, the energy-absorbing protection structure can be expanded to be applied to glass hollow buoyancy balls, carbon fiber hollow buoyancy balls and the like.
The technical scheme of the invention also provides a preparation method of the hollow buoyancy ball, which comprises the following steps: step S1: pretreating the ultra-high molecular weight polyethylene fiber: carrying out plasma surface treatment or ultraviolet surface treatment on the ultra-high molecular weight polyethylene fiber material; step S2: manufacturing an ultrahigh molecular weight polyethylene fiber hemispherical shell: the method comprises the following steps of (1) preparing ultra-high molecular weight polyethylene weftless fabric by taking pretreated ultra-high molecular weight polyethylene fiber as a base material, and then preparing a first hemispherical shell and a second hemispherical shell by taking the ultra-high molecular weight polyethylene weftless fabric as a base material; step S3: and (3) combining the whole spherical shell: firstly, a sphere of the hollow buoyancy sphere is placed in the first hemispherical shell, and then the second hemispherical shell and the first hemispherical shell are combined.
Optionally, step S2 specifically includes: the method comprises the steps of preparing the ultra-high molecular weight polyethylene weftless fabric by taking the pretreated ultra-high molecular weight polyethylene fiber as a base material, cutting the ultra-high molecular weight polyethylene weftless fabric, and putting the ultra-high molecular weight polyethylene weftless fabric into a die one by one for layer die pressing to respectively form a first hemispherical shell and a second hemispherical shell.
Alternatively, in step S2, 20 layers of ultra-high molecular weight polyethylene fiber cloth are required for the hemispherical shell with the thickness of 3 mm.
Optionally, the hollow buoyant spheres in step S2 are ceramic hollow buoyant spheres.
In another aspect of the present invention, a method for preparing a hollow buoyant sphere is provided, comprising the steps of: step S1: pretreating the ultra-high molecular weight polyethylene fiber: carrying out plasma surface treatment or ultraviolet surface treatment on the ultra-high molecular weight polyethylene fiber material; step S2: coating the ultra-high molecular weight polyethylene fiber: and coating the pretreated ultrahigh molecular weight polyethylene fibers around the surface of the hollow buoyancy ball, and coating resin for curing.
Optionally, the method further includes step S3: step S2 is repeated several times to form a multi-layer composite structure.
Optionally, the hollow buoyancy ball in step S2 is a ceramic hollow buoyancy ball.
In another aspect of the present invention, there is provided a method for preparing a hollow buoyant sphere, comprising the steps of: step S1: pretreating the ultra-high molecular weight polyethylene fiber: carrying out plasma surface treatment or ultraviolet surface treatment on the ultra-high molecular weight polyethylene fiber material; step S2: manufacturing an ultrahigh molecular weight polyethylene fiber hemispherical shell: the method comprises the following steps of (1) preparing ultra-high molecular weight polyethylene weftless fabric by taking pretreated ultra-high molecular weight polyethylene fiber as a base material, and then preparing a first hemispherical shell and a second hemispherical shell by taking the ultra-high molecular weight polyethylene weftless fabric as a base material; step S3: and (3) combining the whole spherical shell: firstly, placing a sphere of the hollow buoyancy sphere in a first hemispherical shell, and then combining a second hemispherical shell and the first hemispherical shell; step S4: coating the ultra-high molecular weight polyethylene fiber: and (3) wrapping the pretreated ultrahigh molecular weight polyethylene fibers around the surface of the whole spherical shell, and coating resin for curing.
Preferably, the method further comprises step S5: step S4 is repeated several times to form a multi-layer composite structure.
Preferably, the hollow buoyant spheres in step S4 are ceramic hollow buoyant spheres.
Compared with the prior art, the technical scheme of the invention has the following advantages: the technical scheme of the invention adopts the ultra-high molecular weight polyethylene as the material of the energy-absorbing protection structure of the ceramic hollow buoyancy ball, which not only can prevent the ceramic hollow buoyancy ball from being damaged by impact in all links of transportation and installation, but also more importantly, the ultra-high molecular weight polyethylene has enough strength to effectively absorb the huge energy released when the ceramic hollow buoyancy ball implodes in deep sea, thereby avoiding influencing other structures of the submersible vehicle, especially bringing the passengers in the manned submersible vehicle with safety, and the invention has simple integral structure and easy manufacture.
Drawings
Fig. 1 is a schematic structural view of a first hemispherical shell and a second hemispherical shell in embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a first hemispherical shell (with a ceramic hollow buoyant sphere built in) according to example 1 of the present invention;
FIG. 3 is a schematic view of a manufacturing process of an energy-absorbing protection structure of a ceramic hollow buoyant sphere according to embodiment 1 of the present invention;
FIG. 4 is a schematic structural view of an energy absorbing protective structure of a ceramic hollow buoyant sphere according to example 2 of the present invention;
FIG. 5 is a schematic view of a manufacturing process of an energy-absorbing protection structure of a ceramic hollow buoyant sphere according to embodiment 2 of the present invention;
fig. 6 is a schematic view of a manufacturing process of an energy-absorbing protection structure of a ceramic hollow buoyant sphere according to embodiment 3 of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail with reference to examples.
Example 1
Referring to fig. 1 and 2, the energy absorption protection structure of the ceramic hollow buoyancy ball according to the embodiment of the present invention includes a spherical shell, the spherical shell is disposed on the surface of the ceramic hollow buoyancy ball 1, the spherical shell of the embodiment includes a first hemispherical shell 2 and a second hemispherical shell, the first hemispherical shell 2 and the second hemispherical shell have the same structure, and a water through hole 3 is disposed thereon.
The thicknesses of the first hemispherical shell 2 and the second hemispherical shell are both 10mm, and the design of the thicknesses is only required to not influence the buoyancy of the ceramic hollow buoyancy ball. The first hemispherical shell 2 and the second hemispherical shell are combined through a thread structure, and in other embodiments, riveting or locking components can be further adopted for combination.
The first hemispherical shell 2 and the second hemispherical shellIs made of ultra-high molecular weight polyethylene fiber material with the density of 0.5g/cm 3 The high-performance polyethylene is used as the material of the energy-absorbing protection structure of the ceramic hollow buoyancy ball, has enough strength to effectively absorb the huge energy released by the ceramic hollow buoyancy ball when the ceramic hollow buoyancy ball implodes in deep sea, thereby avoiding the influence on other structures of the submersible.
As shown in fig. 3, the ceramic hollow buoyant ball of the present embodiment is manufactured by the following steps:
step S1: pretreating the ultra-high molecular weight polyethylene fiber: carrying out plasma surface treatment on the ultra-high molecular weight polyethylene fiber material;
step S2: manufacturing an ultrahigh molecular weight polyethylene fiber hemispherical shell: the method comprises the following steps of (1) preparing ultra-high molecular weight polyethylene laid cloth by taking pretreated ultra-high molecular weight polyethylene fibers as a base material, cutting the ultra-high molecular weight polyethylene laid cloth, and putting the cut ultra-high molecular weight polyethylene laid cloth into a die one by one for layer die pressing, namely pressing one piece of non-woven cloth, and then adding the other piece of cloth, wherein 67 layers of non-woven cloth are required to be die-pressed to form hemispherical shells respectively in the embodiment;
step S3: and (3) combining the whole spherical shell: firstly, a sphere of the ceramic hollow buoyancy sphere is placed on the first hemispherical shell, and then the second hemispherical shell and the first hemispherical shell are combined.
Example 2
As shown in fig. 4, the energy-absorbing protection structure of the ceramic hollow buoyancy ball according to the embodiment of the present invention includes an ultra-high molecular weight polyethylene fiber 2 and a resin layer, the ultra-high molecular weight polyethylene fiber 2 is uniformly coated on any equator of the surface of the ceramic hollow buoyancy ball 1 to form an ultra-high molecular weight polyethylene fiber layer, and the epoxy resin layer is coated on the ultra-high molecular weight polyethylene fiber layer to solidify the ultra-high molecular weight polyethylene fiber layer. The thickness of the ultra-high molecular weight polyethylene fiber layer is 20mm, and the material density of the ultra-high molecular weight polyethylene fiber 2 is 1g/cm 3 。
When the ceramic hollow buoyancy ball is implosively broken in deep sea, the ball is wrapped by the energy-absorbing and explosion-proof ultrahigh molecular weight polyethylene fiber layer, so that splashing ceramic fragments can not be generated when the shell is damaged, and the surrounding environment can not be damaged.
As shown in fig. 5, the ceramic hollow buoyant ball of the present embodiment is manufactured by the following steps:
step S1: pretreating the ultra-high molecular weight polyethylene fiber: carrying out plasma surface treatment on the ultra-high molecular weight polyethylene fiber material;
step S2: coating the ultra-high molecular weight polyethylene fiber: and coating the pretreated ultrahigh molecular weight polyethylene fibers around the surface of the sphere of the ceramic hollow buoyancy ball, and coating resin for curing.
Example 3
The energy-absorbing protection structure of the ceramic hollow buoyancy ball comprises a first hemispherical shell, a second hemispherical shell, an ultrahigh molecular weight polyethylene fiber layer and a resin curing layer.
The thickness of the first hemispherical shell and the second hemispherical shell is 3mm, the first hemispherical shell and the second hemispherical shell are provided with water through holes, and the first hemispherical shell 2 and the second hemispherical shell 3 are combined through a locking assembly to form a spherical shell. The first hemispherical shell 2 and the second hemispherical shell 3 are made of ultra-high molecular weight polyethylene fiber materials, and the density of the materials is 0.95g/cm 3 。
The combined spherical shell is characterized in that a plurality of layers of ultra-high molecular weight polyethylene fibers are uniformly coated on any equator on the surface of the combined spherical shell to form a plurality of ultra-high molecular weight polyethylene fiber layers, an epoxy resin layer is coated on each ultra-high molecular weight polyethylene fiber layer, the ultra-high molecular weight polyethylene fiber layers are solidified, and the plurality of ultra-high molecular weight polyethylene fiber layers and the epoxy resin layers form a multi-layer composite material structure.
In this embodiment, the density of the material of the ultra-high molecular weight polyethylene fiber for preparing the spherical shell is the same as that of the polyethylene fiber for forming the ultra-high molecular weight polyethylene fiber layer, but in other embodiments of the present invention, the density of the material of the ultra-high molecular weight polyethylene fiber for preparing the spherical shell may be the same as that of the polyethylene fiber for forming the ultra-high molecular weight polyethylene fiber layer, or may be different from that of the polyethylene fiber for forming the ultra-high molecular weight polyethylene fiber layer, and the design is performed according to actual conditions.
The embodiment combines the advantages of the embodiment 1 and the embodiment 2, can effectively avoid the interlocking implosion reaction of the ceramic hollow buoyancy ball when the deep sea implosion occurs, and can absorb the huge energy released after the implosion.
As shown in fig. 6, the ceramic hollow buoyant ball of the present embodiment is manufactured by the following steps:
step S1: pretreating the ultra-high molecular weight polyethylene fiber: carrying out plasma surface treatment or ultraviolet surface treatment on the ultra-high molecular weight polyethylene fiber material;
step S2: manufacturing an ultrahigh molecular weight polyethylene fiber hemispherical shell: the method comprises the following steps of (1) preparing ultra-high molecular weight polyethylene weftless fabric by taking pretreated ultra-high molecular weight polyethylene fiber as a base material, and then preparing a first hemispherical shell and a second hemispherical shell by taking the ultra-high molecular weight polyethylene weftless fabric as a base material;
step S3: and (3) combining the whole spherical shell: firstly, placing a sphere of the ceramic hollow buoyancy sphere in a first hemispherical shell, and then combining a second hemispherical shell and the first hemispherical shell;
step S4: coating the ultra-high molecular weight polyethylene fiber: and (3) wrapping the pretreated ultrahigh molecular weight polyethylene fibers around the surface of the whole spherical shell, and coating resin for curing.
Step S5: step S4 is repeated several times to form a multi-layer composite structure.
While specific embodiments of the present invention have been described in detail above, it will be appreciated that those skilled in the art, upon attaining an understanding of the foregoing may readily produce alterations to, variations of, and equivalents to these embodiments. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (2)
1. A preparation method of a hollow buoyancy ball comprises a ball body and an energy absorption protection structure sleeved on the surface of the ball body, wherein the hollow buoyancy ball is a ceramic hollow buoyancy ball or a glass hollow buoyancy ball or a carbon fiber hollow buoyancy ball, and is characterized in that: the energy-absorbing protection structure covers the surface of the hollow buoyancy ball and is made of an ultrahigh molecular weight polyethylene material; the energy-absorbing protection structure consists of a first halfA spherical shell, a second hemispherical shell and a density of less than 1g/cm 3 The ultra-high molecular weight polyethylene fiber layer and the resin curing layer, wherein the thickness range of the ultra-high molecular weight polyethylene fiber layer is 1mm-20 mm; the first hemispherical shell and the second hemispherical shell are combined through a locking assembly to form a spherical shell, a water through hole is formed in the surface of the spherical shell, the thickness range of the spherical shell is 2mm-50mm, a plurality of ultrahigh molecular weight polyethylene fiber layers are uniformly coated on any equator of the surface of the spherical shell formed by combination, an epoxy resin layer is coated on each ultrahigh molecular weight polyethylene fiber layer, and the plurality of ultrahigh molecular weight polyethylene fiber layers and the epoxy resin layers are solidified to form a multi-layer composite material structure;
The preparation of the hollow buoyancy ball comprises the following steps:
step S1: pretreating the ultra-high molecular weight polyethylene fiber: carrying out ultraviolet surface treatment on the ultra-high molecular weight polyethylene fiber material;
step S2: manufacturing an ultrahigh molecular weight polyethylene fiber hemispherical shell: the method comprises the following steps of (1) preparing polyethylene weftless fabric by taking pretreated ultrahigh molecular weight polyethylene fiber as a base material, and then preparing a first hemispherical shell and a second hemispherical shell by taking the ultrahigh molecular weight polyethylene weftless fabric as a base material;
step S3: and (3) combining the whole spherical shell: placing the sphere of the hollow buoyancy ball in the first hemispherical shell, and combining the second hemispherical shell and the first hemispherical shell;
step S4: coating the ultra-high molecular weight polyethylene fiber: and (3) wrapping the pretreated ultrahigh molecular weight polyethylene fibers around the surface of the spherical shell, and coating resin for curing.
2. The method for preparing a hollow buoyant sphere according to claim 1 further comprising step S5: step S4 is repeated several times to form a multi-layer composite structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810449187.1A CN110466723B (en) | 2018-05-11 | 2018-05-11 | Energy-absorbing protection structure of ceramic hollow buoyancy ball and preparation method thereof |
| PCT/CN2018/111204 WO2019214167A1 (en) | 2018-05-11 | 2018-10-22 | Energy-absorbing protective structure of ceramic hollow floating ball and preparation method therefor |
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| CN201810449187.1A CN110466723B (en) | 2018-05-11 | 2018-05-11 | Energy-absorbing protection structure of ceramic hollow buoyancy ball and preparation method thereof |
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| CN110466723A CN110466723A (en) | 2019-11-19 |
| CN110466723B true CN110466723B (en) | 2022-07-29 |
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| WO (1) | WO2019214167A1 (en) |
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| EP2354377A2 (en) * | 2010-02-02 | 2011-08-10 | Weener Plastik AG | Floating technical hollow body and method for its production |
| CN105369373A (en) * | 2015-11-29 | 2016-03-02 | 盐城神力制绳有限公司 | Seawater-resistant ultra-high-molecular-weight polyethylene fiber yarn |
| CN206130324U (en) * | 2016-10-23 | 2017-04-26 | 江苏祥生新能源科技有限公司 | Novel polymer composite plastic tubing shocks resistance |
| CN107587343A (en) * | 2016-07-08 | 2018-01-16 | 中国航空工业集团公司济南特种结构研究所 | Plasma is to superhigh molecular weight polyethylene fibers/fabric surface treating method |
| CN107867380A (en) * | 2016-09-23 | 2018-04-03 | 上海材料研究所 | A kind of ceramic hollow buoyant spheres surface protective structure and preparation method thereof |
| CN108975937A (en) * | 2017-05-31 | 2018-12-11 | 上海材料研究所 | A kind of ceramic hollow buoyant spheres and its manufacturing method |
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| JP3194885B2 (en) * | 1997-04-08 | 2001-08-06 | 株式会社ゼニライトブイ | Luminescent floating ball |
| CN1809601B (en) * | 2003-06-26 | 2010-10-13 | 三菱丽阳株式会社 | Modified polyolefin resin and composition |
| CN102797089A (en) * | 2012-09-14 | 2012-11-28 | 山东爱地高分子材料有限公司 | Monofilament-shaped ultrahigh molecular weight polyethylene fiber and continuous preparation method thereof |
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2018
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- 2018-10-22 WO PCT/CN2018/111204 patent/WO2019214167A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2354377A2 (en) * | 2010-02-02 | 2011-08-10 | Weener Plastik AG | Floating technical hollow body and method for its production |
| CN105369373A (en) * | 2015-11-29 | 2016-03-02 | 盐城神力制绳有限公司 | Seawater-resistant ultra-high-molecular-weight polyethylene fiber yarn |
| CN107587343A (en) * | 2016-07-08 | 2018-01-16 | 中国航空工业集团公司济南特种结构研究所 | Plasma is to superhigh molecular weight polyethylene fibers/fabric surface treating method |
| CN107867380A (en) * | 2016-09-23 | 2018-04-03 | 上海材料研究所 | A kind of ceramic hollow buoyant spheres surface protective structure and preparation method thereof |
| CN206130324U (en) * | 2016-10-23 | 2017-04-26 | 江苏祥生新能源科技有限公司 | Novel polymer composite plastic tubing shocks resistance |
| CN108975937A (en) * | 2017-05-31 | 2018-12-11 | 上海材料研究所 | A kind of ceramic hollow buoyant spheres and its manufacturing method |
Also Published As
| Publication number | Publication date |
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| WO2019214167A1 (en) | 2019-11-14 |
| CN110466723A (en) | 2019-11-19 |
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