CN114016294A - Preparation method and application of functional carbon fiber cord - Google Patents
Preparation method and application of functional carbon fiber cord Download PDFInfo
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- CN114016294A CN114016294A CN202111443370.9A CN202111443370A CN114016294A CN 114016294 A CN114016294 A CN 114016294A CN 202111443370 A CN202111443370 A CN 202111443370A CN 114016294 A CN114016294 A CN 114016294A
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- fiber rope
- immersion liquid
- bisphenol
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 118
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 118
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 238000007654 immersion Methods 0.000 claims abstract description 76
- 239000007788 liquid Substances 0.000 claims abstract description 73
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 claims abstract description 38
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical class C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000004841 bisphenol A epoxy resin Substances 0.000 claims abstract description 23
- 238000002791 soaking Methods 0.000 claims abstract description 22
- 239000003085 diluting agent Substances 0.000 claims abstract description 20
- 238000007598 dipping method Methods 0.000 claims abstract description 20
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 19
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims abstract description 19
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 19
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 19
- 150000002500 ions Chemical class 0.000 claims abstract description 19
- 239000004816 latex Substances 0.000 claims abstract description 19
- 229920000126 latex Polymers 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000080 wetting agent Substances 0.000 claims abstract description 19
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 13
- 239000004593 Epoxy Substances 0.000 claims abstract description 9
- 230000004913 activation Effects 0.000 claims abstract description 5
- ADSOSINJPNKUJK-UHFFFAOYSA-N 2-butylpyridine Chemical compound CCCCC1=CC=CC=N1 ADSOSINJPNKUJK-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 48
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 13
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 12
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Substances C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 11
- 239000003822 epoxy resin Substances 0.000 claims description 9
- 229920000647 polyepoxide Polymers 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 5
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000005470 impregnation Methods 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 abstract description 14
- 238000004073 vulcanization Methods 0.000 abstract description 4
- 238000004132 cross linking Methods 0.000 abstract description 2
- 230000002045 lasting effect Effects 0.000 abstract description 2
- 239000002243 precursor Substances 0.000 description 18
- 239000000835 fiber Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 10
- 229910052739 hydrogen Inorganic materials 0.000 description 10
- 239000001257 hydrogen Substances 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000013040 rubber vulcanization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- 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
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/55—Epoxy resins
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- 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
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/39—Aldehyde resins; Ketone resins; Polyacetals
- D06M15/41—Phenol-aldehyde or phenol-ketone resins
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/693—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural or synthetic rubber, or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- 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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention belongs to the technical field of carbon fiber rope preparation, and particularly discloses a preparation method and application of a functionalized carbon fiber rope, which comprises the following steps: putting the carbon fiber rope into a first immersion liquid for immersion activation treatment, wherein the first immersion liquid consists of bisphenol A epoxy resin, hydrogenated bisphenol A epoxy, an active wetting agent, a defoaming agent and a diluent; drying the activated carbon fiber rope in an oven for one time; putting the dried carbon fiber rope into a secondary immersion liquid for dipping treatment, wherein the secondary immersion liquid consists of resorcinol, formaldehyde, ammonia water, butyl pyridine latex, natural latex and ion softened water; and drying the carbon fiber rope subjected to secondary soaking for the second time by using an oven to obtain the functionalized carbon fiber rope. The carbon fiber rope processed by the preparation method can be bonded with rubber in an excellent crosslinking mode, facilitates tire body vulcanization, has lasting surface viscosity, enables the carbon fiber after twisting to be higher in strength, has very high stiffness on the surface, and meets the requirement of a tire framework.
Description
Technical Field
The invention belongs to the technical field of carbon fiber rope preparation, and particularly relates to a preparation method and application of a functionalized carbon fiber rope.
Background
The carbon fiber has the performances of high strength, high modulus, high temperature resistance, corrosion resistance and the like, and is a chemical material with two characteristics of strong tensile resistance and soft processability of the fiber. The following requirements must be satisfied for the framework material of the bicycle tire: 1) perfect vulcanization adhesion with rubber; 2) durable surface tack; 3) strength retention rate after carbon fiber twisting; 4) the surface should have a certain stiffness. Therefore, it is required to have a strong retention rate during twisting after the impregnation treatment of the carbon fiber wire, a good adhesion with rubber, and a strong initial surface tack and permanent tack.
Accordingly, further developments and improvements are still needed in the art.
Disclosure of Invention
In order to solve the above problems, a method for preparing a functionalized carbon fiber cord and an application thereof are proposed. The invention provides the following technical scheme:
a method of making a functionalized carbon fiber strand, comprising:
s1, putting the carbon fiber rope into a first immersion liquid for immersion and activation treatment, wherein the first immersion liquid consists of bisphenol A type epoxy resin, hydrogenated bisphenol A epoxy, an active wetting agent, a defoaming agent and a diluent;
s2, drying the activated carbon fiber rope for one time by using an oven;
s3, putting the dried carbon fiber rope into a secondary immersion liquid for dipping, wherein the secondary immersion liquid is composed of resorcinol, formaldehyde, ammonia water, butyl pyridine latex, natural latex and ion softened water;
and S4, carrying out secondary drying on the carbon fiber wire rope subjected to secondary soaking by using an oven to obtain the functionalized carbon fiber wire rope.
Further, the immersion liquid comprises the following components in percentage by mass:
bisphenol a type epoxy resin: 10 to 30 percent;
hydrogenated bisphenol a epoxy: 2 to 5 percent;
active wetting agent: 0.05 to 0.15 percent;
defoaming agent: 1 to 3 percent;
the balance being benzene diluent.
Further, the preferable mass percentages of the first immersion liquid components are as follows:
bisphenol a type epoxy resin: 122%;
hydrogenated bisphenol a epoxy: 2.75 percent;
active wetting agent: 0.13 percent;
defoaming agent: 1.6 percent;
the balance being benzene diluent.
Further, the two immersion liquids comprise the following components in percentage by mass:
resorcinol: 2 to 4 percent;
formaldehyde: 2 to 3 percent;
ammonia water: 1 to 2 percent;
butyl Pile latex: 20 to 50 percent;
natural latex: 5 to 15 percent;
the balance of ion softened water.
Further, the preferable mass percentages of the components of the second immersion liquid are as follows:
resorcinol: 2.7 percent;
formaldehyde: 2.8 percent;
ammonia water: 1.75 percent;
butyl Pile latex: 32 percent;
natural latex: 8.5 percent;
the balance of ion softened water.
Further, the method for disposing the immersion liquid comprises the following steps: firstly, pouring the active wetting agent into a quantitative diluent, then adding a quantitative bisphenol A type epoxy resin and hydrogenated bisphenol A epoxy resin, uniformly stirring, finally adding the defoaming agent, and fully stirring for 30 min.
Further, the method for disposing the second immersion liquid comprises the following steps: pouring a certain amount of ammonia water into a certain amount of ion softened water, uniformly stirring, adding a certain amount of resorcinol, uniformly stirring, adding a certain amount of formaldehyde, uniformly stirring, reacting at a constant temperature of 25 ℃ for 6 hours, adding a certain amount of butadiene-pyridine latex and natural latex after the reaction is finished, fully stirring for 30 minutes, and reacting at a constant temperature of 25 ℃ for 6 hours.
Further, the primary drying condition is 235-245 ℃ temperature treatment for 60-90 s.
Further, the secondary drying condition is that the temperature is treated at 220-240 ℃ for 90-120 s.
The application of the functionalized carbon fiber rope is characterized in that the functionalized carbon fiber rope prepared by the preparation method of the functionalized carbon fiber rope is used as a framework material of a bicycle tire.
Has the advantages that:
1. the carbon fiber rope treated by the preparation method disclosed by the application can be excellently bonded with rubber in a crosslinking manner, is convenient for tire body vulcanization, and has lasting surface viscosity, so that the carbon fiber after twisting is higher in strength, and the surface of the carbon fiber rope has very high stiffness, and the requirement of a tire framework is met;
2. a proper system viscosity range is sought by blending bisphenol A epoxy resin and adding a diluent, and the mechanical property loss of a cured product is reduced as little as possible on the basis;
3. before use, the orientation degree of the fiber surface is reduced through surface activation treatment, a certain number of active groups are added, the shear strength and the peel strength of the fiber and a matrix interface are improved, and the proportion of bisphenol A epoxy resin and hydrogenated bisphenol A epoxy resin is finally determined;
4. through the cross treatment of dipping and high-temperature drying, the surface of the carbon fiber is activated, the hydrogen bond active groups and the roughness of the surface of the carbon fiber are increased, and the adhesiveness between the surface of the fiber and rubber is improved;
5. the carbon fiber rope subjected to twice dipping treatment can replace a steel wire to serve as a tire framework, so that the weight of the tire is reduced, the steel consumption is reduced, and the effects of energy conservation and emission reduction are achieved.
Drawings
Fig. 1 is a schematic flow chart of a method for preparing a functionalized carbon fiber cord according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the following description of the technical solutions of the present invention with reference to the accompanying drawings of the present invention is made clearly and completely, and other similar embodiments obtained by a person of ordinary skill in the art without any creative effort based on the embodiments in the present application shall fall within the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention. The percentage contents in the following are all mass percentages.
As shown in fig. 1, a method for preparing a functionalized carbon fiber strand includes:
s1, putting the carbon fiber rope into a first immersion liquid for immersion and activation treatment, wherein the first immersion liquid consists of bisphenol A type epoxy resin, hydrogenated bisphenol A epoxy, an active wetting agent, a defoaming agent and a diluent;
s2, drying the activated carbon fiber rope for one time by using an oven;
s3, putting the dried carbon fiber rope into a secondary immersion liquid for dipping, wherein the secondary immersion liquid is composed of resorcinol, formaldehyde, ammonia water, butyl pyridine latex, natural latex and ion softened water;
and S4, carrying out secondary drying on the carbon fiber wire rope subjected to secondary soaking by using an oven to obtain the functionalized carbon fiber wire rope.
The application of the functionalized carbon fiber rope is characterized in that the functionalized carbon fiber rope prepared by the preparation method of the functionalized carbon fiber rope is used as a framework material of a bicycle tire.
Example 1
First, a first immersion liquid and a second immersion liquid are prepared before immersion:
first, immersion: 0.13% of active wetting agent is poured into 72.52% of benzene diluent, 22% of bisphenol A epoxy resin and 2.75% of hydrogenated bisphenol A epoxy resin are added and stirred uniformly, and finally 1.6% of defoaming agent is added and stirred fully for 30min, so that a first immersion liquid is prepared.
Second, immersion liquid: pouring 1.75% ammonia water into 52.25% ion softened water, stirring uniformly, adding 2.7% resorcinol, stirring to dissolve, adding 2.8% formaldehyde, stirring uniformly, reacting at 25 deg.C for 6h, adding 32% butadiene-pyridine latex and 8.5% natural latex, stirring thoroughly for 30min, reacting at 25 deg.C for 6h, and preparing second extract.
The twisted carbon fiber rope is soaked in the primary soaking liquid, the soaked carbon fiber rope is placed in an oven and treated at 240 ℃ for 60-90s to increase the cohesion of carbon fiber precursor tows, the precursor is subjected to adhesion activity pretreatment, then the impregnated carbon fiber rope is placed in the secondary soaking liquid for gum dipping, the impregnated carbon fiber rope enters the oven and treated at 230 ℃ for 90-120s to activate the surface of the carbon fiber, increase hydrogen bond active groups and roughness on the surface of the carbon fiber, and improve the adhesion between the surface of the fiber and rubber.
Example 2
First, a first immersion liquid and a second immersion liquid are prepared before immersion:
first, immersion: 0.13% of active wetting agent is poured into 84.52% of benzene diluent, 10% of bisphenol A epoxy resin and 2.75% of hydrogenated bisphenol A epoxy are added and stirred evenly, and finally 1.6% of defoaming agent is added and stirred fully for 30min to prepare a first-dipping solution.
Second, immersion liquid: pouring 1.75% ammonia water into 52.25% ion softened water, stirring uniformly, adding 2.7% resorcinol, stirring to dissolve, adding 2.8% formaldehyde, stirring uniformly, reacting at 25 deg.C for 6h, adding 32% butadiene-pyridine latex and 8.5% natural latex, stirring thoroughly for 30min, reacting at 25 deg.C for 6h, and preparing second extract.
The twisted carbon fiber rope is soaked in the primary soaking liquid, the soaked carbon fiber rope is placed in an oven and treated at 240 ℃ for 60-90s to increase the cohesion of carbon fiber precursor tows, the precursor is subjected to adhesion activity pretreatment, then the impregnated carbon fiber rope is placed in the secondary soaking liquid for gum dipping, the impregnated carbon fiber rope enters the oven and treated at 230 ℃ for 90-120s to activate the surface of the carbon fiber, increase hydrogen bond active groups and roughness on the surface of the carbon fiber, and improve the adhesion between the surface of the fiber and rubber.
Example 3
First, a first immersion liquid and a second immersion liquid are prepared before immersion:
first, immersion: 0.13% of active wetting agent is poured into 64.52% of benzene diluent, 30% of bisphenol A epoxy resin and 2.75% of hydrogenated bisphenol A epoxy resin are added and stirred uniformly, and finally 1.6% of defoaming agent is added and stirred fully for 30min to prepare a first-dipping solution.
Second, immersion liquid: pouring 1.75% ammonia water into 52.25% ion softened water, stirring uniformly, adding 2.7% resorcinol, stirring to dissolve, adding 2.8% formaldehyde, stirring uniformly, reacting at 25 deg.C for 6h, adding 32% butadiene-pyridine latex and 8.5% natural latex, stirring thoroughly for 30min, reacting at 25 deg.C for 6h, and preparing second extract.
The twisted carbon fiber rope is soaked in the primary soaking liquid, the soaked carbon fiber rope is placed in an oven and treated at 240 ℃ for 60-90s to increase the cohesion of carbon fiber precursor tows, the precursor is subjected to adhesion activity pretreatment, then the impregnated carbon fiber rope is placed in the secondary soaking liquid for gum dipping, the impregnated carbon fiber rope enters the oven and treated at 230 ℃ for 90-120s to activate the surface of the carbon fiber, increase hydrogen bond active groups and roughness on the surface of the carbon fiber, and improve the adhesion between the surface of the fiber and rubber.
Example 4
First, a first immersion liquid and a second immersion liquid are prepared before immersion:
first, immersion: 0.13% of active wetting agent is poured into 73.27% of benzene diluent, 22% of bisphenol A epoxy resin and 2% of hydrogenated bisphenol A epoxy resin are added and stirred uniformly, and finally 1.6% of defoaming agent is added and stirred fully for 30min to prepare a first-dipping solution.
Second, immersion liquid: pouring 1.75% ammonia water into 52.25% ion softened water, stirring uniformly, adding 2.7% resorcinol, stirring to dissolve, adding 2.8% formaldehyde, stirring uniformly, reacting at 25 deg.C for 6h, adding 32% butadiene-pyridine latex and 8.5% natural latex, stirring thoroughly for 30min, reacting at 25 deg.C for 6h, and preparing second extract.
The twisted carbon fiber rope is soaked in the primary soaking liquid, the soaked carbon fiber rope is placed in an oven and treated at 240 ℃ for 60-90s to increase the cohesion of carbon fiber precursor tows, the precursor is subjected to adhesion activity pretreatment, then the impregnated carbon fiber rope is placed in the secondary soaking liquid for gum dipping, the impregnated carbon fiber rope enters the oven and treated at 230 ℃ for 90-120s to activate the surface of the carbon fiber, increase hydrogen bond active groups and roughness on the surface of the carbon fiber, and improve the adhesion between the surface of the fiber and rubber.
Example 5
First, a first immersion liquid and a second immersion liquid are prepared before immersion:
first, immersion: 0.13% of active wetting agent is poured into 70.27% of benzene diluent, 22% of bisphenol A epoxy resin and 5% of hydrogenated bisphenol A epoxy resin are added and stirred uniformly, and finally 1.6% of defoaming agent is added and stirred fully for 30min to prepare a first-dipping solution.
Second, immersion liquid: pouring 1.75% ammonia water into 52.25% ion softened water, stirring uniformly, adding 2.7% resorcinol, stirring to dissolve, adding 2.8% formaldehyde, stirring uniformly, reacting at 25 deg.C for 6h, adding 32% butadiene-pyridine latex and 8.5% natural latex, stirring thoroughly for 30min, reacting at 25 deg.C for 6h, and preparing second extract.
The twisted carbon fiber rope is soaked in the primary soaking liquid, the soaked carbon fiber rope is placed in an oven and treated at 240 ℃ for 60-90s to increase the cohesion of carbon fiber precursor tows, the precursor is subjected to adhesion activity pretreatment, then the impregnated carbon fiber rope is placed in the secondary soaking liquid for gum dipping, the impregnated carbon fiber rope enters the oven and treated at 230 ℃ for 90-120s to activate the surface of the carbon fiber, increase hydrogen bond active groups and roughness on the surface of the carbon fiber, and improve the adhesion between the surface of the fiber and rubber.
Example 6
First, a first immersion liquid and a second immersion liquid are prepared before immersion:
first, immersion: 0.13% of active wetting agent is poured into 72.52% of benzene diluent, 22% of bisphenol A epoxy resin and 2.75% of hydrogenated bisphenol A epoxy resin are added and stirred uniformly, and finally 1.6% of defoaming agent is added and stirred fully for 30min, so that a first immersion liquid is prepared.
Second, immersion liquid: pouring 1.75% ammonia water into 67.75% ion softened water, stirring uniformly, adding 2.7% resorcinol, stirring to dissolve, adding 2.8% formaldehyde, stirring uniformly, reacting at 25 deg.C for 6h, adding 20% butadiene-pyridine latex and 5% natural latex, stirring thoroughly for 30min, reacting at 25 deg.C for 6h to obtain second extract.
The twisted carbon fiber rope is soaked in the primary soaking liquid, the soaked carbon fiber rope is placed in an oven and treated at 240 ℃ for 60-90s to increase the cohesion of carbon fiber precursor tows, the precursor is subjected to adhesion activity pretreatment, then the impregnated carbon fiber rope is placed in the secondary soaking liquid for gum dipping, the impregnated carbon fiber rope enters the oven and treated at 230 ℃ for 90-120s to activate the surface of the carbon fiber, increase hydrogen bond active groups and roughness on the surface of the carbon fiber, and improve the adhesion between the surface of the fiber and rubber.
Example 7
First, a first immersion liquid and a second immersion liquid are prepared before immersion:
first, immersion: 0.13% of active wetting agent is poured into 72.52% of benzene diluent, 22% of bisphenol A epoxy resin and 2.75% of hydrogenated bisphenol A epoxy resin are added and stirred uniformly, and finally 1.6% of defoaming agent is added and stirred fully for 30min, so that a first immersion liquid is prepared.
Second, immersion liquid: pouring 1.75% ammonia water into 37.75% ion softened water, stirring uniformly, adding 2.7% resorcinol, stirring to dissolve, adding 2.8% formaldehyde, stirring uniformly, reacting at 25 deg.C for 6h, adding 50% butadiene-pyridine latex and 5% natural latex, stirring thoroughly for 30min, reacting at 25 deg.C for 6h, and preparing second extract.
The twisted carbon fiber rope is soaked in the primary soaking liquid, the soaked carbon fiber rope is placed in an oven and treated at 240 ℃ for 60-90s to increase the cohesion of carbon fiber precursor tows, the precursor is subjected to adhesion activity pretreatment, then the impregnated carbon fiber rope is placed in the secondary soaking liquid for gum dipping, the impregnated carbon fiber rope enters the oven and treated at 230 ℃ for 90-120s to activate the surface of the carbon fiber, increase hydrogen bond active groups and roughness on the surface of the carbon fiber, and improve the adhesion between the surface of the fiber and rubber.
Example 8
First, a first immersion liquid and a second immersion liquid are prepared before immersion:
first, immersion: 0.13% of active wetting agent is poured into 72.52% of benzene diluent, 22% of bisphenol A epoxy resin and 2.75% of hydrogenated bisphenol A epoxy resin are added and stirred uniformly, and finally 1.6% of defoaming agent is added and stirred fully for 30min, so that a first immersion liquid is prepared.
Second, immersion liquid: pouring 1.75% ammonia water into 62.75% ion softened water, stirring uniformly, adding 2.7% resorcinol, stirring to dissolve, adding 2.8% formaldehyde, stirring uniformly, reacting at 25 deg.C for 6h, adding 20% butadiene-pyridine latex and 10% natural latex, stirring thoroughly for 30min, reacting at 25 deg.C for 6h, and preparing second extract.
The twisted carbon fiber rope is soaked in the primary soaking liquid, the soaked carbon fiber rope is placed in an oven and treated at 240 ℃ for 60-90s to increase the cohesion of carbon fiber precursor tows, the precursor is subjected to adhesion activity pretreatment, then the impregnated carbon fiber rope is placed in the secondary soaking liquid for gum dipping, the impregnated carbon fiber rope enters the oven and treated at 230 ℃ for 90-120s to activate the surface of the carbon fiber, increase hydrogen bond active groups and roughness on the surface of the carbon fiber, and improve the adhesion between the surface of the fiber and rubber.
Example 9
First, a first immersion liquid and a second immersion liquid are prepared before immersion:
first, immersion: 0.13% of active wetting agent is poured into 72.52% of benzene diluent, 22% of bisphenol A epoxy resin and 2.75% of hydrogenated bisphenol A epoxy resin are added and stirred uniformly, and finally 1.6% of defoaming agent is added and stirred fully for 30min, so that a first immersion liquid is prepared.
Second, immersion liquid: pouring 1.75% ammonia water into 52.25% ion softened water, stirring uniformly, adding 2.7% resorcinol, stirring to dissolve, adding 2.8% formaldehyde, stirring uniformly, reacting at 25 deg.C for 6h, adding 32% butadiene-pyridine latex and 8.5% natural latex, stirring thoroughly for 30min, reacting at 25 deg.C for 6h, and preparing second extract.
The twisted carbon fiber rope is soaked in the primary soaking liquid, the soaked carbon fiber rope is placed in an oven and treated at 240 ℃ for 60-90s to increase the cohesion of carbon fiber precursor tows, the precursor is subjected to adhesion activity pretreatment, then the impregnated carbon fiber rope is placed in the secondary soaking liquid for gum dipping, the impregnated carbon fiber rope enters the oven and treated at 230 ℃ for 90-120s to activate the surface of the carbon fiber, increase hydrogen bond active groups and roughness on the surface of the carbon fiber, and improve the adhesion between the surface of the fiber and rubber.
Blank examples
The carbon fiber dipping line without the preparation method is adopted.
Performance test
The adhesion performance of the carbon fiber wire treated by the improved glue solution is compared with a rubber vulcanization experiment, the vulcanization adhesion performance adopts a test method of the adhesion stripping performance of GBT 32109-.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
The present invention has been described in detail, and it should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Claims (10)
1. A method for preparing a functionalized carbon fiber cord is characterized by comprising the following steps:
s1, putting the carbon fiber rope into a first immersion liquid for immersion and activation treatment, wherein the first immersion liquid consists of bisphenol A type epoxy resin, hydrogenated bisphenol A epoxy, an active wetting agent, a defoaming agent and a diluent;
s2, drying the activated carbon fiber rope for one time by using an oven;
s3, putting the dried carbon fiber rope into a secondary immersion liquid for dipping, wherein the secondary immersion liquid is composed of resorcinol, formaldehyde, ammonia water, butyl pyridine latex, natural latex and ion softened water;
and S4, carrying out secondary drying on the carbon fiber wire rope subjected to secondary soaking by using an oven to obtain the functionalized carbon fiber wire rope.
2. The method for preparing a functionalized carbon fiber strand according to claim 1, wherein the impregnation liquid comprises the following components in percentage by mass:
bisphenol a type epoxy resin: 10 to 30 percent;
hydrogenated bisphenol a epoxy: 2 to 5 percent;
active wetting agent: 0.05 to 0.15 percent;
defoaming agent: 1 to 3 percent;
the balance being benzene diluent.
3. The method for preparing a functionalized carbon fiber strand according to claim 1, wherein the preferable mass percentages of the first dip component are as follows:
bisphenol a type epoxy resin: 122%;
hydrogenated bisphenol a epoxy: 2.75 percent;
active wetting agent: 0.13 percent;
defoaming agent: 1.6 percent;
the balance being benzene diluent.
4. The method for preparing a functionalized carbon fiber strand according to claim 1, wherein the two-dip solution comprises the following components in percentage by mass:
resorcinol: 2 to 4 percent;
formaldehyde: 2 to 3 percent;
ammonia water: 1 to 2 percent;
butyl Pile latex: 20 to 50 percent;
natural latex: 5 to 15 percent;
the balance of ion softened water.
5. The method for preparing a functionalized carbon fiber strand according to claim 1, wherein the preferred mass percentages of the two-dip component are as follows:
resorcinol: 2.7 percent;
formaldehyde: 2.8 percent;
ammonia water: 1.75 percent;
butyl Pile latex: 32 percent;
natural latex: 8.5 percent;
the balance of ion softened water.
6. The method of manufacturing a functionalized carbon fiber strand as recited in claim 1, wherein the disposing of the primary dip comprises: firstly, pouring the active wetting agent into a quantitative diluent, then adding a quantitative bisphenol A type epoxy resin and hydrogenated bisphenol A epoxy resin, uniformly stirring, finally adding the defoaming agent, and fully stirring for 30 min.
7. The method of manufacturing a functionalized carbon fiber strand according to claim 1, wherein the disposing of the secondary dip comprises: pouring a certain amount of ammonia water into a certain amount of ion softened water, uniformly stirring, adding a certain amount of resorcinol, uniformly stirring, adding a certain amount of formaldehyde, uniformly stirring, reacting at a constant temperature of 25 ℃ for 6 hours, adding a certain amount of butadiene-pyridine latex and natural latex after the reaction is finished, fully stirring for 30 minutes, and reacting at a constant temperature of 25 ℃ for 6 hours.
8. The method for preparing the functionalized carbon fiber rope as recited in claim 1, wherein the primary drying condition is 235-245 ℃ temperature treatment for 60-90 s.
9. The method for preparing the functionalized carbon fiber rope as recited in claim 1, wherein the secondary drying condition is a temperature treatment of 220-240 ℃ for 90-120 s.
10. Use of a functionalized carbon fiber cord prepared by the method of any one of claims 1 to 9 as a carcass material for a bicycle tire.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180031392A (en) * | 2016-09-20 | 2018-03-28 | 다이텍연구원 | Process Of Producing High―Tenacity Brading Tube Fraim Using Carbon Tow Fiber Prepreg |
| CN110938994A (en) * | 2019-10-23 | 2020-03-31 | 芜湖华烨新材料有限公司 | Production method of carbon fiber dip-coated fabric |
| CN111021066A (en) * | 2019-12-26 | 2020-04-17 | 青岛天邦线业有限公司 | Gumming carbon fiber rope |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180031392A (en) * | 2016-09-20 | 2018-03-28 | 다이텍연구원 | Process Of Producing High―Tenacity Brading Tube Fraim Using Carbon Tow Fiber Prepreg |
| CN110938994A (en) * | 2019-10-23 | 2020-03-31 | 芜湖华烨新材料有限公司 | Production method of carbon fiber dip-coated fabric |
| CN111021066A (en) * | 2019-12-26 | 2020-04-17 | 青岛天邦线业有限公司 | Gumming carbon fiber rope |
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