CN105419184A - Corrosion-resistant nitrocellulose composite material - Google Patents
Corrosion-resistant nitrocellulose composite material Download PDFInfo
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- CN105419184A CN105419184A CN201510959722.4A CN201510959722A CN105419184A CN 105419184 A CN105419184 A CN 105419184A CN 201510959722 A CN201510959722 A CN 201510959722A CN 105419184 A CN105419184 A CN 105419184A
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- nitrocotton
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- matrix material
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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Abstract
The invention discloses a corrosion-resistant nitrocellulose composite material, comprising, according to an overall weight of the corrosion-resistant nitrocellulose composite material, 19-22% of nitrocellulose at an uppermost layer, 10-33% of antibacterial lubricant in a middle layer and 64-69% of polytetrafluoroethylene at a base layer, wherein antibacterial lubricant comprises alkyl quaternary ammonium salt and alkane sulfonate. The corrosion-resistant nitrocellulose composite material has the characteristics of excellent corrosion resistance, ageing resistance and the like.
Description
Technical field
The present invention relates to a kind of corrosion-resistant nitrocotton matrix material.
Background technology
The history that matrix material uses can trace back to ancient times.The straw continued to use from ancient times to the present or wheat straw strengthen clay and have used the Steel Concrete of a century to be composited by bi-material.The forties in 20th century, because of the needs of aircraft industry, develop glass filament reinforced plastics (being commonly called as glass reinforced plastic), from then on occurred this title of matrix material.After the fifties, high strength and the high modulus fibres such as carbon fiber, graphite fibre and boron fibre are developed successively.Aramid fiber and silicon carbide fiber are there is the seventies.These high strength, high modulus fibre can with the metallic matrix compound such as nonmetal basal body or aluminium, magnesium, titanium such as synthetic resins, carbon, graphite, pottery, rubber, form the matrix material differed from one another.
The development of modern high technology be unable to do without matrix material, and matrix material [1], to the development of modern science and technology, has very important effect.The depth of investigation and speed and the scale of applying range and production development thereof of matrix material, become one of important symbol of a measurement national science advanced technology level.Since entering 21 century, global composite markets increases fast, and Asia especially Chinese market increases very fast.Between 2003 ~ 2008 years, Chinese average annual growth rate is 15%, and India is 9.5%, and Europe and the average annual amplification in North America are only 4%.The sixties, for meeting the needs of the sophisticated technology material therefors such as aerospace, the successively research and production matrix material being strongthener with high-performance fiber (as carbon fiber, boron fibre, aramid fiber, silicon carbide fiber etc.), its specific tenacity is greater than 4 × 10 centimetres (cm), and specific modulus is greater than 4 × 10cm.In order to distinguish with first-generation galss fiber reinforced resin matrix material, this matrix material is called advanced composite material.Different by body material, advanced composite material is divided into resin base, metal matrix and ceramic matric composite.Its use temperature reaches 250 ~ 350 DEG C, more than 350 ~ 1200 DEG C and 1200 DEG C respectively.Advanced composite material is except as except structured material, also can be used as functional materials, as gradient composites (functional composite material that the chemistry of material and crystallography composition, structure, space etc. become at Spatial continual ladder), Smart Composite (there is sensation, process and n-back test, the functional composite material of the change that can conform), bionic composite material, camouflage composite material etc.
Summary of the invention
The object of the present invention is to provide a kind of corrosion-resistant nitrocotton matrix material, there is the excellent feature such as corrosion-resistant and anti-aging.
Technical scheme of the present invention is: a kind of corrosion-resistant nitrocotton matrix material, described corrosion-resistant nitrocotton matrix material comprises the nitrocotton of the superiors, the anti-bacterial lubricant in middle layer and the polytetrafluoroethylcombination combination of basal layer form, described anti-bacterial lubricant comprises alkyl quaternary ammonium salts and alkylsulfonate, described nitrocotton accounts for the 19%-22% of the overall component of corrosion-resistant nitrocotton matrix material, described anti-bacterial lubricant accounts for the 10%-13% of the overall component of corrosion-resistant nitrocotton matrix material, described tetrafluoroethylene accounts for the 64%-69% of the overall component of corrosion-resistant nitrocotton matrix material.
In a preferred embodiment of the present invention, described nitrocotton comprises cellulose nitrate.
In a preferred embodiment of the present invention, described nitrocotton accounts for 21% of the overall component of corrosion-resistant nitrocotton matrix material, described anti-bacterial lubricant accounts for 12% of the overall component of corrosion-resistant nitrocotton matrix material, and described tetrafluoroethylene accounts for 67% of the overall component of corrosion-resistant nitrocotton matrix material.
The corrosion-resistant nitrocotton matrix material of one of the present invention, has the excellent feature such as corrosion-resistant and anti-aging.
Embodiment
Be described in detail below in conjunction with to preferred embodiment of the present invention, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
In one embodiment, the polytetrafluoroethylcombination combination that described corrosion-resistant nitrocotton matrix material comprises the nitrocotton of the superiors, the anti-bacterial lubricant in middle layer and basal layer forms, described anti-bacterial lubricant comprises alkyl quaternary ammonium salts and alkylsulfonate, described nitrocotton accounts for the 19%-22% of the overall component of corrosion-resistant nitrocotton matrix material, described anti-bacterial lubricant accounts for the 10%-13% of the overall component of corrosion-resistant nitrocotton matrix material, and described tetrafluoroethylene accounts for the 64%-69% of the overall component of corrosion-resistant nitrocotton matrix material.
Further illustrate, described nitrocotton comprises cellulose nitrate, described nitrocotton accounts for 21% of the overall component of corrosion-resistant nitrocotton matrix material, described anti-bacterial lubricant accounts for 12% of the overall component of corrosion-resistant nitrocotton matrix material, and described tetrafluoroethylene accounts for 67% of the overall component of corrosion-resistant nitrocotton matrix material.
Further illustrate, tetrafluoroethylene can under 260 DEG C of high temperature life-time service, short-period used under-268 DEG C of low temperature.Dielectric properties are not only excellent, and not by the impact of Working environment, temperature, humidity and operating frequency.At high temperature also do not work with strong acid, highly basic and strong oxidizer, even if boil also unchanged in " chloroazotic acid ", therefore have the title of " King ".Oilness particularly self lubricity is fine, to the static friction coefficient of steel only 0.02, and kinetic friction coefficient 0.03, self-friction coefficient 0.01.Main drawback has cold flow properties, and under load and high-speed condition, size is unstable; Rigidity, wear-resisting and compressive strength is poor, need add moly-sulfide and bronze powder etc. filler modified; Radioresistance and processibility bad.Meltability polytetrafluorethyletubular not only has the primary characteristic of tetrafluoroethylene, and high-temperature mechanical property (250 DEG C of tensile strengths are 13MPa, and tetrafluoroethylene is 8.5MPa) and processing characteristics are greatly improved.The great advantage of fluoroplastic 46 is that processibility, gas barrier property and low temperature flexibility are good, and resistance to cold flow properties is excellent, but high and low temperature resistance is poorer than tetrafluoroethylene, and stress crack resistance performance is not good enough.Hexafluoropropylene (HFP)/tetrafluoroethylene (TFE)-perfluoroalkyl vinyl ether multipolymer improves the stress cracking of fluoroplastic 46, and electrical properties in high temperatures and mechanical property are better than fluoroplastic 46 and Meltability polytetrafluorethyletubular.The feature of voltalef is that the transparency, dimensional stability and cementability are good, but temperature tolerance is poor.Polyvinylidene difluoride (PVDF), ethylene-chlorotrifluoro-ethylene copolymer and ethylene-tetrafluoroethylene copolymer are all the fluoro-resin that physical strength is good and toughness is large, and radioresistance is excellent; Polyvinylidene difluoride (PVDF) or piezoelectricity and the fabulous functional materials of pyroelectricity.Polyvinyl fluoride thin film can resistance to atmospheric aging more than 30 years.
Further illustrating, nitrocotton is a polymkeric substance.Its molecular weight is very large.Nitrocotton has high flammability and explosivity, and its hazard level is determined according to degree of nitration, and the nitro-cotton of nitrogen content more than 12.5% is greatly dangerous, meets fire and namely burns.Can be accelerated it decompose and spontaneous combustion when temperature is more than 40 DEG C.Although the nitro-cotton of nitrogen content less than 12.5% is more stable, is heated or stores with the passing of time, decompose gradually and release acid, reducing point of ignition, also have the possibility of self-firing and self-explosion.The invention provides a kind of corrosion-resistant nitrocotton matrix material, there is the excellent feature such as corrosion-resistant and anti-aging.
The specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention, and the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (3)
1. a corrosion-resistant nitrocotton matrix material, it is characterized in that: described corrosion-resistant nitrocotton matrix material comprises the nitrocotton of the superiors, the anti-bacterial lubricant in middle layer and the polytetrafluoroethylcombination combination of basal layer form, described anti-bacterial lubricant comprises alkyl quaternary ammonium salts and alkylsulfonate, described nitrocotton accounts for the 19%-22% of the overall component of corrosion-resistant nitrocotton matrix material, described anti-bacterial lubricant accounts for the 10%-13% of the overall component of corrosion-resistant nitrocotton matrix material, described tetrafluoroethylene accounts for the 64%-69% of the overall component of corrosion-resistant nitrocotton matrix material.
2. corrosion-resistant nitrocotton matrix material according to claim 1, is characterized in that: described nitrocotton comprises cellulose nitrate.
3. corrosion-resistant nitrocotton matrix material according to claim 1, it is characterized in that: described nitrocotton accounts for 21% of the overall component of corrosion-resistant nitrocotton matrix material, described anti-bacterial lubricant accounts for 12% of the overall component of corrosion-resistant nitrocotton matrix material, and described tetrafluoroethylene accounts for 67% of the overall component of corrosion-resistant nitrocotton matrix material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510959722.4A CN105419184A (en) | 2015-12-21 | 2015-12-21 | Corrosion-resistant nitrocellulose composite material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510959722.4A CN105419184A (en) | 2015-12-21 | 2015-12-21 | Corrosion-resistant nitrocellulose composite material |
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| CN105419184A true CN105419184A (en) | 2016-03-23 |
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| CN201510959722.4A Pending CN105419184A (en) | 2015-12-21 | 2015-12-21 | Corrosion-resistant nitrocellulose composite material |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1235803A (en) * | 1958-09-08 | 1960-05-30 | Acheson Ind Inc | Poly-tetrafluoroethylene based coating products |
| CN101462530A (en) * | 2007-12-21 | 2009-06-24 | 比亚迪股份有限公司 | Vessel for gas generator composition and sealing method thereof |
| CN102774524A (en) * | 2012-08-15 | 2012-11-14 | 四川北方硝化棉股份有限公司 | Continuous nitrocotton packaging production process |
| CN103232720A (en) * | 2013-05-09 | 2013-08-07 | 南京荣仕景复合材料有限公司 | Mildewing resistant plastic-wood composite material |
| CN104277264A (en) * | 2014-10-27 | 2015-01-14 | 安徽锐视光电技术有限公司 | High-temperature-resistant synthetic rubber for color sorter and preparation method of high-temperature-resistant synthetic rubber |
| CN104766977A (en) * | 2015-04-03 | 2015-07-08 | 华南师范大学 | Nitrocellulose film applied to power cell positive plates and preparation method thereof |
| CN104804289A (en) * | 2015-04-20 | 2015-07-29 | 青岛康泰鑫环保科技有限公司 | Antibacterial agricultural plastic mulching film |
-
2015
- 2015-12-21 CN CN201510959722.4A patent/CN105419184A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1235803A (en) * | 1958-09-08 | 1960-05-30 | Acheson Ind Inc | Poly-tetrafluoroethylene based coating products |
| CN101462530A (en) * | 2007-12-21 | 2009-06-24 | 比亚迪股份有限公司 | Vessel for gas generator composition and sealing method thereof |
| CN102774524A (en) * | 2012-08-15 | 2012-11-14 | 四川北方硝化棉股份有限公司 | Continuous nitrocotton packaging production process |
| CN103232720A (en) * | 2013-05-09 | 2013-08-07 | 南京荣仕景复合材料有限公司 | Mildewing resistant plastic-wood composite material |
| CN104277264A (en) * | 2014-10-27 | 2015-01-14 | 安徽锐视光电技术有限公司 | High-temperature-resistant synthetic rubber for color sorter and preparation method of high-temperature-resistant synthetic rubber |
| CN104766977A (en) * | 2015-04-03 | 2015-07-08 | 华南师范大学 | Nitrocellulose film applied to power cell positive plates and preparation method thereof |
| CN104804289A (en) * | 2015-04-20 | 2015-07-29 | 青岛康泰鑫环保科技有限公司 | Antibacterial agricultural plastic mulching film |
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