CN107459681A - A kind of preparation method of aramid fiber surface modification rubber composite - Google Patents
A kind of preparation method of aramid fiber surface modification rubber composite Download PDFInfo
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- CN107459681A CN107459681A CN201710873800.8A CN201710873800A CN107459681A CN 107459681 A CN107459681 A CN 107459681A CN 201710873800 A CN201710873800 A CN 201710873800A CN 107459681 A CN107459681 A CN 107459681A
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- aramid fiber
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- surface modification
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- rubber
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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
- C08L7/00—Compositions of natural rubber
-
- 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
- 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
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
- D06M13/513—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
- D06M13/5135—Unsaturated compounds containing silicon atoms
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- 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
- D06M14/00—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials
- D06M14/18—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation
- D06M14/26—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation on to materials of synthetic origin
- D06M14/30—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation on to materials of synthetic origin of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M14/34—Polyamides
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- 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
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
- D06M2101/36—Aromatic polyamides
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- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Organic Chemistry (AREA)
- Toxicology (AREA)
- Inorganic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Reinforced Plastic Materials (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
A kind of preparation method of aramid fiber surface modification rubber composite, belongs to rubber composite preparing technical field, comprises the following steps：Surface modification treatment, Natural rubber is carried out to aramid fiber to plasticate, fiber and other mixing ingredients, elastomeric compound film, elastomeric compound film vulcanizing treatment is made.Epoxide group is introduced in aramid fiber surface, improves the bond properties of aramid fiber and rubber, the interfacial adhesion of modified fibre/rubber composite shows excellent ageing-resistant and anti-fatigue performance.
Description
Technical field
The invention belongs to rubber composite preparing technical field, and in particular to a kind of aramid fiber surface modification rubber is answered
The preparation method of condensation material.
Background technology
Composite is that have different physics and chemical property, in the form of microcosmic or be macroscopical by two or more
Compound and composition heterogeneous material.Because of simple natural rubber or synthetic rubber, whether unvulcanized rubber or vulcanizate, its
Physical and mechanical properties is very poor to be difficult to meet the requirement used.Therefore, fibre property is improved, is elastomeric material hair by fiber composite
One of inexorable trend of exhibition.
China is that the fiber such as rubber industry big producer, tire, conveyer belt, sebific duct/rubber composite is important army
The dual-purpose product of the people, and high-performance fiber is the preferable framework material of rubber, but current high-performance fiber is in rubber
Application do not popularize yet.And influence orientation that principal element that fiber applies in rubber is fiber in rubber mass,
Scattered and between fiber and rubber mass interfacial adhesion is horizontal.
The content of the invention
According to problems of the prior art, the invention provides a kind of aramid fiber surface to modify rubber composite
Preparation method so that fiber disperses more uniformly, and to further increase the boundary of fiber and rubber mass in rubber mass
Face level of adhesion.
In order to solve problems of the prior art, the present invention uses following technical scheme：
A kind of preparation method of aramid fiber surface modification rubber composite, comprises the following steps：
Step 1：Aramid fiber is cut into 13mm segments, is cleaned by ultrasonic with acetone, each sonication treatment time is 45
Minute, handle 3 times；
Step 2：Benzophenone solution is configured in a reservoir, and the mass concentration of described benzophenone solution is
2.5wt.%, aramid fiber is pressed into bath raio 1:4 are immersed in benzophenone solution, and mass percent 2.5% is added into solution
γ-(methyl propanamide oxygen) propyl trimethoxy silicane, lead to nitrogen 5min, exclude the oxygen in container；
Step 3：Container is moved under the ultraviolet beam mercury lamp of high pressure of 500W power and irradiated, proceeded by apart from mercury lamp 15cm
UV photoinitiated grafting reacts, and the reaction time is 4 hours, when half the time is arrived in irradiation by container turn-over, after reaction terminates, uses
Water and ethanol are respectively washed fiber 3 times, place into drying for standby in 50 DEG C of baking oven；
Step 4：Natural rubber is plasticated 15-20min on a mill, more than 8h is stood, to eliminate Natural rubber
Internal axial stress；
Step 5：Dispensing is carried out by following parts by weight：100 parts of Natural rubber, 5 parts of aramid fiber, 3 parts of zinc oxide,
2 parts of stearic acid, 1.2 parts of accelerator NS, 1.5 parts of anti-aging agent RD, 1.5 parts of antioxidant 4010NA, 30 parts of white carbon, 1.2 parts of sulphur；
Natural rubber is added in mill and is kneaded, other dispensings are added after Natural rubber bag roller, charging sequence is successively
For zinc oxide, stearic acid, accelerator, age resistor, white carbon, sulphur, aramid fiber is eventually adding；
Step 6：Triangle bag is beaten, after fiber is uniformly dispersed, adjusts roller square, to fiber be orientated then bottom sheet, is made
Elastomeric compound film；
Step 7：Elastomeric compound film is placed into a night, eliminates axial stress, and vulcanized on vulcanizing press, sulphur
Change temperature is 143 DEG C, cure time is 20 minutes.
Preferably, the melting temperature described in step 5 is 30-50 DEG C.
Preferably, roll spacing is adjusted to 0.5mm in step 6, and uses the method for alignment of a bottom sheet, then doubling twice,
The elastomeric compound film that thickness is 2.0mm is made.
Preferably, the time control of the packing triangle described in step 6 is within 10min.
The beneficial effects of the present invention are：
1) aramid fiber/rubber composite is by fiber and rubber mix, and is allowed to be suitably oriented in rubber matrix, with
The strengthening action of chopped fiber is played, so as to effectively combine the flexibility of rubber and the rigidity of fiber.Ensureing that it is unique that rubber has
It is elastomeric to improve the modulus of rubber simultaneously, it is possessed high-modulus, high rigidity, tear-resistant, cut resistant, low-heat-generation, anti-compacted
The a series of excellent properties such as change, so as to greatly widen the use range of rubber.
2) epoxide group is introduced in aramid fiber surface, improves the bond properties of aramid fiber and rubber, modified fibre/rubber
The interfacial adhesion of glue composite shows excellent ageing-resistant and anti-fatigue performance.
Embodiment
Below by the description to embodiment, the present invention is further detailed explanation, to help people in the art
Member has more complete, accurate and deep understanding to inventive concept of the invention, technical scheme.
Embodiment 1
A kind of preparation method of aramid fiber surface modification rubber composite, comprises the following steps：
Step 1：Aramid fiber is cut into 13mm segments, is cleaned by ultrasonic with acetone, each sonication treatment time is 45
Minute, handle 3 times；
Step 2：Benzophenone solution is configured in a reservoir, and the mass concentration of described benzophenone solution is
2.5wt.%, aramid fiber is pressed into bath raio 1:4 are immersed in benzophenone solution, and mass percent 2.5% is added into solution
γ-(methyl propanamide oxygen) propyl trimethoxy silicane, lead to nitrogen 5min, exclude the oxygen in container；
Step 3：Container is moved under the ultraviolet beam mercury lamp of high pressure of 500W power and irradiated, proceeded by apart from mercury lamp 15cm
UV photoinitiated grafting reacts, and the reaction time is 4 hours, when half the time is arrived in irradiation by container turn-over, after reaction terminates, uses
Water and ethanol are respectively washed fiber 3 times, place into drying for standby in 50 DEG C of baking oven；
Step 4：Natural rubber is plasticated 15-20min on a mill, more than 8h is stood, to eliminate Natural rubber
Internal axial stress；
Step 5：Dispensing is carried out by following parts by weight：100 parts of Natural rubber, 5 parts of aramid fiber, 3 parts of zinc oxide,
2 parts of stearic acid, 1.2 parts of accelerator NS, 1.5 parts of anti-aging agent RD, 1.5 parts of antioxidant 4010NA, 30 parts of white carbon, 1.2 parts of sulphur；
Natural rubber is added in mill and is kneaded, other dispensings are added after Natural rubber bag roller, charging sequence is successively
For zinc oxide, stearic acid, accelerator, age resistor, white carbon, sulphur, aramid fiber is eventually adding；
Step 6：Triangle bag is beaten, after fiber is uniformly dispersed, adjusts roller square, to fiber be orientated then bottom sheet, is made
Elastomeric compound film；
Step 7：Elastomeric compound film is placed into a night, eliminates axial stress, and vulcanized on vulcanizing press, sulphur
Change temperature is 143 DEG C, cure time is 20 minutes.
Melting temperature described in step 5 is 30-50 DEG C.
Roll spacing is adjusted to 0.5mm in step 6, and using the method for alignment of a bottom sheet, then doubling twice, is made thickness
Spend the elastomeric compound film for 2.0mm.
The time control of packing triangle described in step 6 is within 10min.
Claims (4)
1. a kind of preparation method of aramid fiber surface modification rubber composite, it is characterised in that comprise the following steps：
Step 1：Aramid fiber is cut into 13mm segments, is cleaned by ultrasonic with acetone, each sonication treatment time is 45 points
Clock, handle 3 times；
Step 2：Benzophenone solution is configured in a reservoir, and the mass concentration of described benzophenone solution is 2.5wt.%, will
Aramid fiber presses bath raio 1:4 are immersed in benzophenone solution, and γ-(methyl-prop of mass percent 2.5% is added into solution
Amide oxygen) propyl trimethoxy silicane, leads to nitrogen 5min, excludes the oxygen in container；
Step 3：Container is moved under the ultraviolet beam mercury lamp of high pressure of 500W power and irradiated, proceeded by apart from mercury lamp 15cm ultraviolet
Light-initiated graft reaction, reaction time are 4 hours, when half the time arrive in irradiation by container turn-over, after reaction terminates, with water with
Ethanol is respectively washed fiber 3 times, places into drying for standby in 50 DEG C of baking oven；
Step 4：Natural rubber is plasticated 15-20min on a mill, more than 8h is stood, to eliminate inside Natural rubber
Axial stress；
Step 5：Dispensing is carried out by following parts by weight：100 parts of Natural rubber, 5 parts of aramid fiber, 3 parts of zinc oxide, tristearin
2 parts of acid, 1.2 parts of accelerator NS, 1.5 parts of anti-aging agent RD, 1.5 parts of antioxidant 4010NA, 30 parts of white carbon, 1.2 parts of sulphur；By day
T PNR NR is added in mill and is kneaded, and adds other dispensings after Natural rubber bag roller, charging sequence is followed successively by oxygen
Change zinc, stearic acid, accelerator, age resistor, white carbon, sulphur, be eventually adding aramid fiber；
Step 6：Triangle bag is beaten, after fiber is uniformly dispersed, adjusts roller square, to fiber be orientated then bottom sheet, is made and is kneaded
Glue film；
Step 7：Elastomeric compound film is placed into a night, eliminates axial stress, and is vulcanized on vulcanizing press, vulcanization temperature
It is 20 minutes to spend for 143 DEG C, cure time.
2. a kind of preparation method of aramid fiber surface modification rubber composite according to claim 1, its feature exist
In：Melting temperature described in step 5 is 30-50 DEG C.
3. a kind of preparation method of aramid fiber surface modification rubber composite according to claim 1, its feature exist
In：Roll spacing is adjusted to 0.5mm in step 6, and using the method for alignment of a bottom sheet, then doubling twice, thickness, which is made, is
2.0mm elastomeric compound film.
4. a kind of preparation method of aramid fiber surface modification rubber composite according to claim 1, its feature exist
In：The time control of packing triangle described in step 6 is within 10min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710873800.8A CN107459681A (en) | 2017-09-25 | 2017-09-25 | A kind of preparation method of aramid fiber surface modification rubber composite |
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| CN201710873800.8A CN107459681A (en) | 2017-09-25 | 2017-09-25 | A kind of preparation method of aramid fiber surface modification rubber composite |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108530716A (en) * | 2018-04-10 | 2018-09-14 | 南京理工大学 | A kind of modifying aramid fiber nanofiber reinforced rubber vulcanizate and preparation method thereof |
| CN110066428A (en) * | 2019-05-24 | 2019-07-30 | 济宁齐鲁检测技术有限公司 | A kind of modified NSF/NR composite material and preparation method and application |
| CN110776674A (en) * | 2019-10-17 | 2020-02-11 | 安徽华烨特种材料有限公司 | Special material for dipping aramid rubber base and preparation method thereof |
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| CN103243561A (en) * | 2013-05-29 | 2013-08-14 | 贵州大学 | Surface modification method of aramid, and reinforced natural rubber material and preparation method thereof |
| CN104558711A (en) * | 2015-01-30 | 2015-04-29 | 安徽理工大学 | Rubber composite material and preparation method thereof |
| CN105131376A (en) * | 2015-06-25 | 2015-12-09 | 浙江东南橡胶股份有限公司 | Aramid fiber composite material, composite material for preparing solid tyre and manufacturing methods of two |
| CN105803720A (en) * | 2016-05-15 | 2016-07-27 | 贵州大学 | Surface shape modification method of aramid and product as well as preparation method of product |
| CN105986465A (en) * | 2016-04-29 | 2016-10-05 | 贵州大学 | Aramid fiber (AF) surface modification method, product and preparation method of product |
| CN107099070A (en) * | 2017-06-22 | 2017-08-29 | 河北科技大学 | Puncture resistant nitrile rubber/resinification aramid fiber reinforced composite and preparation method thereof |
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2017
- 2017-09-25 CN CN201710873800.8A patent/CN107459681A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243561A (en) * | 2013-05-29 | 2013-08-14 | 贵州大学 | Surface modification method of aramid, and reinforced natural rubber material and preparation method thereof |
| CN104558711A (en) * | 2015-01-30 | 2015-04-29 | 安徽理工大学 | Rubber composite material and preparation method thereof |
| CN105131376A (en) * | 2015-06-25 | 2015-12-09 | 浙江东南橡胶股份有限公司 | Aramid fiber composite material, composite material for preparing solid tyre and manufacturing methods of two |
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| CN105803720A (en) * | 2016-05-15 | 2016-07-27 | 贵州大学 | Surface shape modification method of aramid and product as well as preparation method of product |
| CN107099070A (en) * | 2017-06-22 | 2017-08-29 | 河北科技大学 | Puncture resistant nitrile rubber/resinification aramid fiber reinforced composite and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108530716A (en) * | 2018-04-10 | 2018-09-14 | 南京理工大学 | A kind of modifying aramid fiber nanofiber reinforced rubber vulcanizate and preparation method thereof |
| CN110066428A (en) * | 2019-05-24 | 2019-07-30 | 济宁齐鲁检测技术有限公司 | A kind of modified NSF/NR composite material and preparation method and application |
| CN110776674A (en) * | 2019-10-17 | 2020-02-11 | 安徽华烨特种材料有限公司 | Special material for dipping aramid rubber base and preparation method thereof |
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Application publication date: 20171212 |