CN105803781B - A kind of lubricant and preparation method for carbon fiber sizing agent - Google Patents
A kind of lubricant and preparation method for carbon fiber sizing agent Download PDFInfo
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- CN105803781B CN105803781B CN201610265465.9A CN201610265465A CN105803781B CN 105803781 B CN105803781 B CN 105803781B CN 201610265465 A CN201610265465 A CN 201610265465A CN 105803781 B CN105803781 B CN 105803781B
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
- C10M125/22—Compounds containing sulfur, selenium or tellurium
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M161/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
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- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/065—Sulfides; Selenides; Tellurides
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/041—Siloxanes with specific structure containing aliphatic substituents
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/40—Fibres of carbon
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/40—Reduced friction resistance, lubricant properties; Sizing compositions
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Abstract
The present invention relates to a kind of lubricant and preparation method for carbon fiber sizing agent, the lubricant includes polyacrylic acid modified nanoscale twins tungsten disulfide dispersion liquid, dispersant, silicone oil and higher fatty acids；The polyacrylic acid modified nanoscale twins tungsten disulfide dispersion liquid is dispersion liquid of the nanoscale twins tungsten disulfide dispersion liquid after polyacrylic acid modified；The preparation method first passes through 1) configuration isopropanol water solution, adds the tungsten disulfide that crystallite dimension is less than 100 microns, forms dispersion liquid；2) after ultrasound, standing, centrifugation obtains upper strata dispersion liquid；3) polyacrylic acid modified processing obtains polyacrylic acid modified nanoscale twins tungsten disulfide dispersion liquid, then mixed according to matching principle with dispersant, silicone oil and higher fatty acids, the lubricant by using polyacrylic acid modified preparation nanoscale twins tungsten disulfide dispersion liquid, it can be used for preparing the sizing agent with specific use, part optimization fiber and its composite material interface performance and macro property.
Description
Technical field
The present invention relates to technical field of composite materials, more particularly to a kind of lubricant and preparation for carbon fiber sizing agent
Method, particularly a kind of polyacrylic acid modified nanoscale twins tungsten disulfide base lubricating agent for carbon fiber sizing agent.
Background technology
Carbon fiber has a series of excellent properties such as high specific strength, high ratio modulus and is widely used, but because of carbon fiber
Poor toughness, rub is poor, in production and process, and meeting snag broken end makes opening unclear, is easily produced through mechanical friction
The phenomenon such as lousiness and single wire fracture, makes its intensity decreases.In fiber production process, solution can be very good by starching above-mentioned
Problem, starching has become a very important link in fiber production process.With carbon fibre composite industry not
Disconnected development, also improves constantly to the performance requirement of sizing agent, is gradually evolved into strengthen from simple protection carbon fiber
Carbon fibre composite interface binding intensity, improves composite materials property, i.e., from universal sizing agent to functional form starching
Agent develops.
Auxiliary agent in sizing agent can be good at improving the stability of sizing agent in use, and lubricant is to help
One kind in agent, it is possible to increase the lubricating ability of material, effectively prevents from bonding between fiber, and lubricant common at present has
The unstability of composition and the shortcoming of poor compatibility, therefore profit for prepare carbon fiber sizing agent of the research and development with superperformance
Lubrication prescription is significant.
The content of the invention
In view of above-mentioned analysis, the present invention is intended to provide a kind of lubricant and preparation method for carbon fiber sizing agent,
The lubricant uses polyacrylic acid modified nanoscale twins tungsten disulfide dispersion liquid, can be effective as on specific use carbon fiber
Slurry agent composition is used, hence it is evident that improve the lubrication and processing characteristics of product.
The purpose of the present invention is mainly achieved through the following technical solutions：
The present invention provides a kind of lubricant for carbon fiber sizing agent, including polyacrylic acid modified nanoscale twins curing
Tungsten dispersion liquid, dispersant, silicone oil and higher fatty acids；
Wherein described polyacrylic acid modified nanoscale twins tungsten disulfide dispersion liquid passes through for nanoscale twins tungsten disulfide dispersion liquid
Dispersion liquid after polyacrylic acid modified；Wherein described polyacrylic acid modified mode is effectively to shell polyacrylic acid situ-formed graft
From nanoscale twins tungsten disulfide surface.
Further, the parts by weight of the polyacrylic acid modified nanoscale twins tungsten disulfide dispersion liquid are 1-32, described point
The parts by weight of powder are 1-5, and the parts by weight of the silicone oil are 60-90, and the parts by weight of the higher fatty acids are 1-3.
Further, the dispersant include Solulan5, Solulan98, Solulan16, Solulan25 and
More than one or both of Solulan97.
Further, the silicone oil includes unsubstituted dimethyl silicone polymer or by the alkyl with 2-20 carbon atom
Substituted dimethyl silicone polymer；It is described by the alkyl-substituted dimethyl silicone polymer with 2-20 carbon atom at 25 DEG C
Viscosity be 2-100mm2/s。
Further, the higher fatty acids includes laurate, myristic acid, lignin with 12-24 carbon atom
It is more than one or both of acid, palmitic acid, oleic acid.
Another aspect of the present invention also provides a kind of preparation method of the lubricant for carbon fiber sizing agent, by polyacrylic acid
The configuration of modified Nano lamella tungsten disulfide dispersion liquid is formed, the system of the polyacrylic acid modified nanoscale twins tungsten disulfide dispersion liquid
Preparation Method comprises the following steps：
1) mixed liquor of isopropyl alcohol and water is configured, wherein volume ratio of the isopropanol in the mixed liquor is 30%-
70%, the tungsten disulfide that crystallite dimension is less than 100 microns is added, the dispersion liquid that tungsten disulfide concentration is 10mg/mL is formed；
2) by step 1) gained dispersion liquid carry out ultrasound, stand after, centrifugation obtain upper strata dispersion liquid, by sheet curing
Tungsten is efficiently peeled off, and then removes bulky grain, unstripped part；
3) by step 2) the polyacrylic acid modified processing of gained dispersion liquid progress：Acrylic acid and ammonium persulfate are added, reaction is obtained
Obtain polyacrylic acid modified nanoscale twins tungsten disulfide dispersion liquid.
Further, above-mentioned preparation method also includes：Weigh a certain amount of polyacrylic acid modified nanoscale twins curing
Tungsten dispersion liquid is mixed according to matching principle with dispersant, silicone oil and higher fatty acids at 40-80 DEG C, uses ultrasonic disperse 1-6h.
Further, step 2) ultrasonic power be 100W, sonication treatment time is 1-8h, and time of repose is 4-12h,
Centrifugal rotational speed is 2000-6000rpm.
Further, step 3) acrylic acid and ammonium persulfate addition weight ratio be 10:1-200:1, propylene
The weight ratio of acid and tungsten disulfide is 5:1-25:1, temperature is 40-80 DEG C, and the reaction time is 4-96h.
Further, step 3) acrylic acid and ammonium persulfate addition weight ratio be 100:1, acrylic acid and two
The weight ratio of tungsten sulfide is 10:1, temperature is 60 DEG C, and the reaction time is 48h.
The present invention has the beneficial effect that：
Lubricant of the present invention can be effective as specific use carbon fiber sizing agent composition and use, and can solve the problem that common at present
Lubricant composition unstability and the shortcoming of poor compatibility, hence it is evident that improve product lubrication and processing characteristics, it is of the invention
Preparation method is simple to operate, and cost is low, in actual applications can be by changing the proportioning of component in lubricant, applied to difference
The sizing agent matrix of species, can play a very good protection in the preparation process of carbon fiber, glass fibre etc., while right
The mechanical property of composite increases.The lubricant of this functional form can partly optimize fiber and its composite material interface
Performance and macro property.
Other features and advantages of the present invention will be illustrated in the following description, also, the partial change from specification
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages can be by the explanations write
Specifically noted structure is realized and obtained in book, claims and accompanying drawing.
Brief description of the drawings
Accompanying drawing is only used for showing the purpose of specific embodiment, and is not considered as limitation of the present invention, in whole accompanying drawing
In, identical reference symbol represents identical part.
Fig. 1 is the stereoscan photograph of lubricant in embodiment 1；
Fig. 2 is the stereoscan photograph of lubricant in embodiment 3.
Embodiment
The preferred embodiments of the present invention are specifically described below in conjunction with the accompanying drawings, wherein, accompanying drawing constitutes the application part, and
It is used for the principle for explaining the present invention together with embodiments of the present invention.
Embodiment 1
The present embodiment provides a kind of polyacrylic acid modified nanoscale twins tungsten disulfide base for carbon fiber sizing agent and lubricated
Agent and preparation method, wherein preparation method comprise the following steps：
(1) mixed solution of configuration water and isopropanol, the wherein volume ratio of isopropanol are 30%, add Average crystallite
The tungsten disulfide that 50 microns of size, the concentration of tungsten disulfide is 10mg/mL, is mixed to form dispersion liquid；
(2) dispersion liquid obtained step (1) is ultrasonically treated, and ultrasonic power is 100W, and ultrasonic time is 1 hour；Ultrasound
After the completion of stand 8 hours；Then centrifugation obtains upper strata dispersion liquid under 4000rpm rotating speeds；
(3) dispersion liquid for obtaining step (2) is modified processing：It is 10 that weight ratio is added at 40 DEG C:1 propylene
Acid and ammonium persulfate, the wherein weight ratio of acrylic acid and tungsten disulfide are 10:1, reaction 96h obtains polyacrylic acid modified receive
Rice lamella tungsten disulfide dispersion liquid；
(4) at 70 DEG C, above-mentioned 210 grams and 20 grams dispersants of polyacrylic acid modified nanoscale twins tungsten disulfide dispersion liquid are taken
Solulan16,760 grams of viscositys are 5mm2/ s unsubstituted dimethyl silicone polymer and 10 grams have 12-24 carbon atom
Laurate ultrasonic disperse 6 hours under 100W ultrasonic powers, obtain lubricant.
Polyacrylic acid modified nanoscale twins tungsten disulfide dispersion liquid of the lubricant obtained in this example including 21 parts by weight,
The dispersant Solulan16 of 2 parts by weight, the unsubstituted dimethyl silicone polymer of 76 parts by weight and 1 parts by weight have a 12-24
The laurate of individual carbon atom.
The stereoscan photograph of the lubricant is as shown in Figure 1.
Embodiment 2
The present embodiment provides a kind of polyacrylic acid modified nanoscale twins tungsten disulfide base for carbon fiber sizing agent and lubricated
Agent and preparation method, wherein preparation method comprise the following steps：
(1) mixed solution of configuration water and isopropanol, the wherein volume ratio of isopropanol are 50%, add Average crystallite
The tungsten disulfide that 80 microns of size, the concentration of tungsten disulfide is 10mg/mL, is mixed to form dispersion liquid；
(2) dispersion liquid obtained step (1) is ultrasonically treated, and ultrasonic power is 100W, and ultrasonic time is 8 hours；Ultrasound
After the completion of stand 4 hours；Then centrifugation obtains upper strata dispersion liquid under 6000rpm rotating speeds；
(3) dispersion liquid for obtaining step (2) is modified processing：It is 80 that weight ratio is added at 80 DEG C:1 propylene
Acid and ammonium persulfate, the wherein weight ratio of acrylic acid and tungsten disulfide are 5:1, reaction 48h obtains polyacrylic acid modified receive
Rice lamella tungsten disulfide dispersion liquid；
(4) at 60 DEG C, above-mentioned 170 grams and 40 grams dispersants of polyacrylic acid modified nanoscale twins tungsten disulfide dispersion liquid are taken
Solulan25,770 grams of viscositys are 20mm2/ s by the alkyl-substituted dimethyl silicone polymer with 2-20 carbon atom and
20 grams of ultrasonic disperse 4 hours under 100W ultrasonic powers of the myristic acid with 12-24 carbon atom, obtain lubricant.
Polyacrylic acid modified nanoscale twins tungsten disulfide dispersion liquid of the lubricant obtained in this example including 17 parts by weight,
The dispersant Solulan25 of 4 parts by weight, 77 parts by weight by the alkyl-substituted polydimethylsiloxanes with 2-20 carbon atom
The myristic acid with 12-24 carbon atom of alkane and 2 parts by weight.
Embodiment 3
The present embodiment provides a kind of polyacrylic acid modified nanoscale twins tungsten disulfide base for carbon fiber sizing agent and lubricated
Agent and preparation method, wherein preparation method comprise the following steps：
(1) mixed solution of configuration water and isopropanol, the wherein volume ratio of isopropanol are 70%, add Average crystallite
The tungsten disulfide that 50 microns of size, the concentration of tungsten disulfide is 10mg/mL, is mixed to form dispersion liquid；
(2) dispersion liquid obtained step (1) is ultrasonically treated, and ultrasonic power is 100W, and ultrasonic time is 8 hours；Ultrasound
After the completion of stand 8 hours；Then centrifugation obtains upper strata dispersion liquid under 2000rpm rotating speeds；
(3) dispersion liquid for obtaining step (2) is modified processing：It is 200 that weight ratio is added at 60 DEG C:The third of 1
The weight ratio of olefin(e) acid and ammonium persulfate, wherein acrylic acid and tungsten disulfide is 20:1, reaction 4h obtains polyacrylic acid modified
Nanoscale twins tungsten disulfide dispersion liquid；
(4) at 80 DEG C, above-mentioned 320 grams and 50 grams dispersants of polyacrylic acid modified nanoscale twins tungsten disulfide dispersion liquid are taken
Solulan5,600 grams of viscositys are 50mm2/ s unsubstituted dimethyl silicone polymer and 30 grams have 12-24 carbon atom
Palmitic acid ultrasonic disperse 3 hours under 100W ultrasonic powers, obtain lubricant.
Polyacrylic acid modified nanoscale twins tungsten disulfide dispersion liquid of the lubricant obtained in this example including 32 parts by weight,
The dispersant Solulan5 of 5 parts by weight, the unsubstituted dimethyl silicone polymer of 60 parts by weight and 3 parts by weight have a 12-24
The palmitic acid of individual carbon atom.
The stereoscan photograph of the lubricant is as shown in Figure 2.
Embodiment 4
The present embodiment provides a kind of polyacrylic acid modified nanoscale twins tungsten disulfide base for carbon fiber sizing agent and lubricated
Agent and preparation method, wherein preparation method comprise the following steps：
(1) mixed solution of configuration water and isopropanol, the wherein volume ratio of isopropanol are 60%, add Average crystallite
The tungsten disulfide that 80 microns of size, the concentration of tungsten disulfide is 10mg/mL, is mixed to form dispersion liquid；
(2) dispersion liquid obtained step (1) is ultrasonically treated, and ultrasonic power is 100W, and ultrasonic time is 4 hours；Ultrasound
After the completion of stand 12 hours；Then centrifugation obtains upper strata dispersion liquid under 5000rpm rotating speeds；
(3) dispersion liquid for obtaining step (2) is modified processing：It is 200 that weight ratio is added at 80 DEG C:The third of 1
The weight ratio of olefin(e) acid and ammonium persulfate, wherein acrylic acid and tungsten disulfide is 15:1, reaction 4h obtains polyacrylic acid modified
Nanoscale twins tungsten disulfide dispersion liquid；
(4) at 50 DEG C, above-mentioned 20 grams and 50 grams dispersants of polyacrylic acid modified nanoscale twins tungsten disulfide dispersion liquid are taken
Solulan97,900 grams of viscositys are 70mm2/ s unsubstituted dimethyl silicone polymer and 30 grams have 12-24 carbon atom
Oleic acid ultrasonic disperse 3 hours under 100W ultrasonic powers, obtain lubricant.
The lubricant obtained in this example includes the polyacrylic acid modified nanoscale twins tungsten disulfide dispersion liquid of 2 parts by weight, 5
The dispersant Solulan97 of parts by weight, the unsubstituted dimethyl silicone polymer of 90 parts by weight and 3 parts by weight have a 12-24
The oleic acid of individual carbon atom.
The fibre abrasion number of times coated using the lubricant in embodiment 1-4 is as shown in table 1, this hair it can be seen from table
Bright lubricant adds fiber abrasion resistance after polyacrylic acid modified, with good lubrication.
The fibre abrasion number of times that table 1 is coated using the lubricant in embodiment 1-4
| Condition | Abrasion resistance | Amplitude of variation (%) |
| Blank (unmodified) | 304 | - |
| Embodiment 1 | 598 | 97 |
| Embodiment 2 | 573 | 88 |
| Embodiment 3 | 581 | 91 |
| Embodiment 4 | 602 | 98 |
In summary, the embodiments of the invention provide a kind of polyacrylic acid modified nanoscale twins for carbon fiber sizing agent
Tungsten disulfide base softening agent and preparation method, the lubricant can be effective as specific use carbon fiber sizing agent composition and use,
It is obviously improved the lubrication and processing characteristics of product.Fiber and its composite material interface performance and macro property can partly be optimized；
Preparation method is simple to operate, and cost is low.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
It should all be included within the scope of the present invention.
Claims (10)
1. a kind of lubricant for carbon fiber sizing agent, it is characterised in that including polyacrylic acid modified nanoscale twins curing
Tungsten dispersion liquid, dispersant, silicone oil and higher fatty acids；
Wherein described polyacrylic acid modified nanoscale twins tungsten disulfide dispersion liquid is nanoscale twins tungsten disulfide dispersion liquid through poly- third
The modified dispersion liquid of olefin(e) acid；Wherein described polyacrylic acid modified mode is by ammonium persulfate initiator that polyacrylic acid is in situ
It is grafted on the nanoscale twins tungsten disulfide surface being effectively peeled off.
2. it is used for the lubricant of carbon fiber sizing agent according to claim 1, it is characterised in that described polyacrylic acid modified to receive
The parts by weight of rice lamella tungsten disulfide dispersion liquid are 1-32, and the parts by weight of the dispersant are 1-5, and the parts by weight of the silicone oil are
60-90, the parts by weight of the higher fatty acids are 1-3.
3. the lubricant according to claim 1 or claim 2 for carbon fiber sizing agent, it is characterised in that the dispersant includes
It is more than Solulan5, Solulan98, Solulan16, one or both of Solulan25 and Solulan97.
4. it is used for the lubricant of carbon fiber sizing agent according to claim 1 or 2 is any, it is characterised in that the silicone oil bag
Include unsubstituted dimethyl silicone polymer or by the alkyl-substituted dimethyl silicone polymer with 2-20 carbon atom；25℃
When, the viscosity by the alkyl-substituted dimethyl silicone polymer with 2-20 carbon atom is 2-100mm2/s。
5. it is used for the lubricant of carbon fiber sizing agent according to claim 1-2 is any, it is characterised in that the higher aliphatic
Acid include one or both of the laurate with 12-24 carbon atom, myristic acid, lignin acid, palmitic acid, oleic acid with
On.
6. a kind of preparation method for the lubricant for being used for carbon fiber sizing agent as described in claim 1-5 is any, it is characterised in that
Formed by the configuration of polyacrylic acid modified nanoscale twins tungsten disulfide dispersion liquid, the polyacrylic acid modified nanoscale twins tungsten disulfide
The preparation method of dispersion liquid comprises the following steps：
1) mixed liquor of isopropyl alcohol and water is configured, wherein volume ratio of the isopropanol in the mixed liquor is 30%-70%, then
The tungsten disulfide that crystallite dimension is less than 100 microns is added, the dispersion liquid that tungsten disulfide concentration is 10mg/mL is formed；
2) by step 1) gained dispersion liquid carry out ultrasound, stand after, centrifugation obtain upper strata dispersion liquid；
3) by step 2) the polyacrylic acid modified processing of gained dispersion liquid progress：Acrylic acid and ammonium persulfate are added, reaction is gathered
Acrylic acid modified nanoscale twins tungsten disulfide dispersion liquid.
7. preparation method according to claim 6, it is characterised in that also include：Weigh a certain amount of described polyacrylic acid modified
Nanoscale twins tungsten disulfide dispersion liquid is mixed according to matching principle with dispersant, silicone oil and higher fatty acids at 40-80 DEG C, is used
Ultrasonic disperse 1-6h.
8. preparation method according to claim 6, it is characterised in that step 2) ultrasonic power is 100W, ultrasonically treated
Time is 1-8h, and time of repose is 4-12h, and centrifugal rotational speed is 2000-6000rpm.
9. preparation method according to claim 6, it is characterised in that step 3) the addition weight of the acrylic acid and ammonium persulfate
It is 10 to measure part ratio:1-200:1, the weight ratio of acrylic acid and tungsten disulfide is 5:1-25:1, temperature is 40-80 DEG C, instead
It is 4-96h between seasonable.
10. preparation method according to claim 6, it is characterised in that step 3) addition of the acrylic acid and ammonium persulfate
Weight ratio is 100:1, the weight ratio of acrylic acid and tungsten disulfide is 10:1, temperature is 60 DEG C, and the reaction time is
48h。
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| CN201610265465.9A CN105803781B (en) | 2016-04-26 | 2016-04-26 | A kind of lubricant and preparation method for carbon fiber sizing agent |
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| CN201610265465.9A CN105803781B (en) | 2016-04-26 | 2016-04-26 | A kind of lubricant and preparation method for carbon fiber sizing agent |
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| CN108587729B (en) * | 2018-04-13 | 2022-02-18 | 李立强 | Modified nano tungsten disulfide lubricating oil additive and preparation method thereof |
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