CN108660764A - A kind of modification processing method of conveyer belt framework material F-12 aramid fabrics - Google Patents
A kind of modification processing method of conveyer belt framework material F-12 aramid fabrics Download PDFInfo
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- CN108660764A CN108660764A CN201810950273.0A CN201810950273A CN108660764A CN 108660764 A CN108660764 A CN 108660764A CN 201810950273 A CN201810950273 A CN 201810950273A CN 108660764 A CN108660764 A CN 108660764A
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- 239000004744 fabric Substances 0.000 title claims abstract description 105
- 239000004760 aramid Substances 0.000 title claims abstract description 99
- 229920003235 aromatic polyamide Polymers 0.000 title claims abstract description 87
- 238000012986 modification Methods 0.000 title claims abstract description 56
- 230000004048 modification Effects 0.000 title claims abstract description 56
- 239000000463 material Substances 0.000 title claims abstract description 21
- 238000003672 processing method Methods 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 229920005989 resin Polymers 0.000 claims abstract description 40
- 239000011347 resin Substances 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 52
- 239000003822 epoxy resin Substances 0.000 claims description 38
- 229920000647 polyepoxide Polymers 0.000 claims description 38
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
- 239000007822 coupling agent Substances 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 22
- 239000012153 distilled water Substances 0.000 claims description 20
- 229920006231 aramid fiber Polymers 0.000 claims description 19
- 238000011010 flushing procedure Methods 0.000 claims description 16
- 238000002386 leaching Methods 0.000 claims description 16
- 229920000126 latex Polymers 0.000 claims description 15
- 239000004816 latex Substances 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 15
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 12
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 11
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 10
- 239000000908 ammonium hydroxide Substances 0.000 claims description 10
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000007598 dipping method Methods 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 229910000077 silane Inorganic materials 0.000 claims description 5
- 206010016825 Flushing Diseases 0.000 claims description 4
- 235000019441 ethanol Nutrition 0.000 claims description 4
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 abstract description 11
- 238000012360 testing method Methods 0.000 description 44
- 238000002474 experimental method Methods 0.000 description 9
- 238000000465 moulding Methods 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 8
- 239000000835 fiber Substances 0.000 description 7
- 230000032683 aging Effects 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920002994 synthetic fiber Polymers 0.000 description 3
- 239000012209 synthetic fiber Substances 0.000 description 3
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 244000286663 Ficus elastica Species 0.000 description 1
- 241000108463 Hygrophila <snail> Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007719 peel strength test Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
-
- 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/58—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides
- D06M11/59—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides with ammonia; with complexes of organic amines with inorganic substances
- D06M11/60—Ammonia as a gas or in solution
-
- 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
-
- 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
- D06M2101/16—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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a kind of modification processing methods of 12 aramid fabrics of conveyer belt framework material F comprising following steps：(1) it pre-processes；(2) a bath processing is carried out with modification liquid；12 aramid fabrics of F are dried after (3) one baths；(4) one times high temperature bakes；(5) RFL resin solutions are impregnated；(6) secondary high-temperature bakes finished product.Advantages of the present invention：The binding force for significantly improving F 12 aramid fabric and rubber makes peel strength and fracture strength be higher than existing professional standard.
Description
Technical field：
The present invention relates to a kind of fabric modification technologies, more particularly to a kind of conveyer belt framework material F-12 aramid fibers fibre
A kind of modification processing method of dimensional fabric.
Background technology：
F-12 fibers are most outstanding aramid fibers at present, the heterocycle structure of macromolecular make the fiber it is flexible,
Strongly, the performance of fatigue durability etc. is superior to common para-aramid fiber；F-12 aramid fiber density is low, light-weight again,
The energy consumption in transportational process can be substantially reduced, therefore, theoretically the fabric is the best framework material of conveyer belt.
But contain amido bond inside F-12 aramid fibers, amido bond is there are between two phenyl ring, and there is prodigious " spaces
Steric hindrance " effect is hardly formed hydrogen bond, therefore the surface-active of F-12 aramid fibers is very poor.It is intended to using the fabric as conveying
The best framework material of band, it is necessary to improve the adhesiveness between F-12 aramid fibers and rubber, it is therefore desirable to fine to F-12 aramid fibers
Dimension is modified processing.
Invention content：
The purpose of the present invention is to provide a kind of good surface activities, strong with rubber binding force, peel strength and fracture strength
It is above a kind of modification processing method of the conveyer belt framework material F-12 aramid fabrics of existing professional standard.
The purpose of the present invention is implemented by following technical solution：One kind of conveyer belt framework material F-12 aramid fabrics changes
Property processing method comprising following steps：(1) it pre-processes；(2) a bath processing is carried out with modification liquid；F-12 aramid fibers after (3) one baths
Fabric is dried；(4) one times high temperature bakes；(5) RFL resin solutions are impregnated；(6) secondary high-temperature bakes finished product；Wherein,
(1) it pre-processes：Surface washing is carried out with ethyl alcohol at normal temperatures to F-12 aramid fabrics, to remove F-12 aramid fibers
Fabric surface finish；
(2) a bath processing is carried out with modification liquid：Pretreated F-12 aramid fabrics are immersed into modification at normal temperatures
20min is impregnated in liquid, then rolls even, takes three leachings four to roll, pressure 0.05MP；
F-12 aramid fabrics are dried after (3) one baths：By the F-12 aramid fabrics after a bath dipping at 80 DEG C
Drying, by the moisture control of F-12 aramid fabrics below 5%；
(4) one times high temperature bakes：The F-12 aramid fabrics of drying are baked into 2min at a temperature of 200 DEG C；
(5) RFL resin solutions are impregnated：F-12 aramid fabrics after high temperature is baked immerse RFL at normal temperatures
20min is impregnated in resin solution, then rolls even, takes three leachings four to roll, pressure 0.05MP；
(6) secondary high-temperature bakes finished product：By the F-12 aramid fabrics after dipping RFL resin solutions at 200 DEG C
At a temperature of bake 2min modified F-12 aramid fabric finished products be made.
Specifically, the modification liquid includes the component of following parts by weight：1.46~1.54 grams of epoxy resin, coupling agent 2.87
~3.30 grams, 95.67~95.16 grams of water.
Specifically, the modification liquid is prepared as follows：
1. stocking up：1.46~1.54 grams of epoxy resin, 2.87~3.30 grams of coupling agent, water are weighed by following parts by weight of component
95.67~95.16 grams；
2. preparing epoxy resin solution：The water half weighed is added in agitator tank, the epoxy resin that then will be weighed
It is added in the agitator tank, stirring to epoxy resin completely dissolves in water, and epoxy resin solution is made；
3. preparing coupling agent solution：The pH value of remaining half water is adjusted to 3.8~4.2, it is then that the coupling agent weighed is molten
Enter to adjust in the water after pH value, coupling agent solution is made；
4. modification liquid is made：The epoxy resin solution is mixed with the coupling agent solution, is made and changes after stirring 30min
Property liquid.
Specifically, the epoxy resin is EXE-313 type epoxy resin.
Specifically, the coupling agent is silane coupling A 187.
Specifically, in the step (2), the bath raio of F-12 aramid fabrics and modification liquid is 1:50, bath raio F-12
The mass ratio of aramid fabric and modification liquid.
Specifically, the RFL resin solutions include the component of following parts by weight：100 grams of distilled water, caustic soda 0.40~0.44
Gram, 3.58~3.65 grams of resorcinol, 5.21~5.38 grams of formaldehyde, 2.82~2.96 grams of ammonium hydroxide and butadiene-vinylpyridine copylymer latex solution 82.15
~85.36 grams.
Specifically, the RFL resin solutions are prepared as follows：
1. the preparation of RF solution：
It weighs 66.67 grams of distilled water and 0.40~0.44 gram of caustic soda (NaOH) is added in retort, stir to complete
Fully dissolved；After reacting 5min, 3.58~3.65 grams of resorcinol is added, temperature is controlled at 22~23 DEG C, after stirring 30min,
It weighs 5.21~5.38 grams of formaldehyde and is added in retort and stir, after control temperature waits for 5~6h at 22~28 DEG C, obtained RF is molten
Liquid is for use；
2. RFL resin solutions are made：
11.11 grams of distilled water, 2.82~2.96 grams of ammonium hydroxide and 82.15~85.36 grams of butadiene-vinylpyridine copylymer latex solution are weighed to be added to
In blending tank；The beaker that 11.11 grams of distilled water flushings weigh butadiene-vinylpyridine copylymer latex is weighed again, and the water of flushing is also poured into blending tank；
Prepared RF solution is also poured into blending tank, 11.11 grams of distilled water flushing RF solution reaction tanks, the water of flushing is used in combination also to fall
Enter in blending tank, stir evenly, after placing 30min, RFL resin solutions are made.
Specifically, in the step (5), the bath raio of F-12 aramid fabrics and RFL resin solutions is 1:20.Bath raio is
The mass ratio of F-12 aramid fabrics and RFL resin solutions.
Technical solution of the present invention further includes a kind of modified F-12 aramid fabrics obtained as stated above.
Advantages of the present invention：The binding force for significantly improving F-12 aramid fabrics and rubber, makes peel strength and fracture
Intensity is higher than existing professional standard.
Description of the drawings：
Fig. 1 is F-12 aramid fabrics surface SEM figures after carrying out a bath processing with modification liquid；
Fig. 2 is the infrared waves spectrogram of F-12 aramid fabrics after carrying out a bath processing with modification liquid；
Fig. 3 is rubber-modified F-12 aramid fabrics sur-face peeling figure after molding；
Fig. 4 is the side diagram of the monolayer-modified F-12 aramid fabrics framework conveyer belt of 3 sulfidization molding of embodiment；
Fig. 5 is the side diagram of the bilayer modified F-12 aramid fabrics framework conveyer belt of 3 sulfidization molding of embodiment；
Fig. 6 is strength examination criteria specimen shape after 3 sulfidization molding of embodiment.
Specific implementation mode：
The design parameter for the F-12 aramid fabrics selected in following embodiment is as follows：
Synnema fineness is 2048dtex；Fabric parameter：Plain weave, through close 84/10cm, 84/10cm of filling density, fabric
340 grams/cm of surface density3；Sample parameter：Sample size 5cm × 25cm, 6.5 grams of sample grammes per square metre.
Embodiment 1：A kind of modification processing method of conveyer belt framework material F-12 aramid fabrics comprising following step
Suddenly：(1) it pre-processes；(2) a bath processing is carried out with modification liquid；F-12 aramid fabrics are dried after (3) one baths；(4) primary high
Temperature bakes；(5) RFL resin solutions are impregnated；(6) secondary high-temperature bakes finished product；Wherein,
(1) it pre-processes：Surface washing is carried out with ethyl alcohol at normal temperatures to F-12 aramid fabrics, to remove F-12 aramid fibers
Fabric surface finish；
(2) a bath processing is carried out with modification liquid：Pretreated F-12 aramid fabrics are immersed into modification at normal temperatures
Impregnate 20min in liquid, the bath raio of F-12 aramid fabrics and modification liquid is 1:50, then with laboratory mangle roll even, takes
Three leachings four are rolled, pressure 0.05MP；A specially immersing and rolling is rolled in three leachings four, an immersing and rolling, a leaching two are rolled.
In the present embodiment, the modification liquid includes the component of following weight in grams：1.46 grams of epoxy resin, coupling agent 2.87
Gram, 95.67 grams of water.
The modification liquid is prepared as follows：
1. stocking up：1.46 grams of epoxy resin, 2.87 grams of coupling agent, 95.67 grams of water are weighed by following weight in grams component；
2. preparing epoxy resin solution：The water half weighed is added in agitator tank, the epoxy resin that then will be weighed
It is added in the agitator tank, stirring to epoxy resin completely dissolves in water, and epoxy resin solution is made；
3. preparing coupling agent solution：The pH value of remaining half water is adjusted to 3.8, the coupling agent weighed is then dissolved in into adjusting
In water after pH value, coupling agent solution is made；
4. modification liquid is made：The epoxy resin solution is mixed with the coupling agent solution, is made and changes after stirring 30min
Property liquid.
In the present embodiment, the epoxy resin is EXE-313 type epoxy resin, is in colourless or light yellow clear viscous fluid
The chemical structural formula of body, EXE-313 type epoxy resin is：
In the present embodiment, the coupling agent is silane coupling A 187, the entitled Y- glycidyl ether oxygen propyls front three of chemistry
Oxysilane [C12H26O5Si]。
In the present embodiment, aramid fiber is F-12 aramid fibers, and molecular structural formula is：
F-12 aramid fabrics are dried after (3) one baths：By the F-12 aramid fabrics after a bath dipping at 80 DEG C
Drying, by the moisture control of F-12 aramid fabrics below 5%；
(4) one times high temperature bakes：The F-12 aramid fabrics of drying are baked into 2min at a temperature of 200 DEG C；
(5) RFL resin solutions are impregnated：F-12 aramid fabrics after high temperature is baked immerse RFL at normal temperatures
Impregnate 20min in resin solution, the bath raio of F-12 aramid fabrics and RFL resin solutions is 1:20；Then use laboratory mangle into
Row rolls even, takes three leachings four to roll, pressure 0.05MP；A specially immersing and rolling is rolled in three leachings four, an immersing and rolling, a leaching two are rolled.
In the present embodiment, RFL resin solutions include the component of following parts by weight：100 grams of distilled water, 0.40 gram of caustic soda,
82.15 grams of 3.58 grams of benzenediol, 5.21 grams of formaldehyde, 2.82 grams of ammonium hydroxide and butadiene-vinylpyridine copylymer latex solution.
In the present embodiment, the RFL resin solutions are prepared as follows：
1. the preparation of RF solution：
It weighs 66.67 grams of distilled water and 0.40 gram of caustic soda (NaOH) is added in retort, stirring is to being completely dissolved；
After reacting 5min, 3.58 grams of resorcinol is added, temperature is controlled at 22 DEG C, after stirring 30min, is weighed 5.21 grams of formaldehyde and is added
To being stirred in retort, after control temperature waits for 5h at 22 DEG C, RF solution for later use is made；
2. RFL resin solutions are made：
11.11 grams of distilled water, 2.82 grams of ammonium hydroxide and 82.15 grams of butadiene-vinylpyridine copylymer latex solution are weighed to be added in blending tank；Claim again
It takes 11.11 grams of distilled water flushings to weigh the beaker of butadiene-vinylpyridine copylymer latex, the water of flushing is also poured into blending tank；Prepared RF is molten
Liquid also pours into blending tank, and 11.11 grams of distilled water flushing RF solution reaction tanks, the water of flushing is used in combination also to pour into blending tank, stir
It mixes uniformly, after placing 30min, RFL resin solutions is made.
In the present embodiment, the ammonium hydroxide is that analysis is pure with the butadiene-vinylpyridine copylymer latex solution.
(6) secondary high-temperature bakes finished product：By the F-12 aramid fabrics after dipping RFL resin solutions at 200 DEG C
At a temperature of bake 2min modified F-12 aramid fabric finished products be made.
Embodiment 2：A kind of modification processing method of conveyer belt framework material F-12 aramid fabrics comprising following step
Suddenly：(1) it pre-processes；(2) a bath processing is carried out with modification liquid；Aramid fabric is dried after (3) one baths；(4) high temperature roastings
It dries；(5) RFL resin solutions are impregnated；(6) secondary high-temperature bakes finished product；Wherein,
(1) it pre-processes：Surface washing is carried out with ethyl alcohol at normal temperatures to F-12 aramid fabrics, to remove F-12 aramid fibers
Fabric surface finish；
(2) a bath processing is carried out with modification liquid：Pretreated F-12 aramid fabrics are immersed into modification at normal temperatures
Impregnate 20min in liquid, the bath raio of F-12 aramid fabrics and modification liquid is 1:50, then with laboratory mangle roll even, takes
Three leachings four are rolled, pressure 0.05MP；A specially immersing and rolling is rolled in three leachings four, an immersing and rolling, a leaching two are rolled.
In the present embodiment, the modification liquid includes the component of following weight in grams：1.54 grams of epoxy resin, coupling agent 3.30
Gram, 95.16 grams of water.
The modification liquid is prepared as follows：
1. stocking up：1.54 grams of epoxy resin, 3.30 grams of coupling agent, 95.16 grams of water are weighed by following weight in grams component；
2. preparing epoxy resin solution：The water half weighed is added in agitator tank, the epoxy resin that then will be weighed
It is added in the agitator tank, stirring to epoxy resin completely dissolves in water, and epoxy resin solution is made；
3. preparing coupling agent solution：The pH value of remaining half water is adjusted to 4.2, the coupling agent weighed is then dissolved in into adjusting
In water after pH value, coupling agent solution is made；
4. modification liquid is made：The epoxy resin solution is mixed with the coupling agent solution, is made and changes after stirring 30min
Property liquid.
In the present embodiment, the epoxy resin is EXE-313 type epoxy resin, is in colourless or light yellow clear viscous fluid
The chemical structural formula of body, EXE-313 type epoxy resin is：
In the present embodiment, the coupling agent is silane coupling A 187, the entitled Y- glycidyl ether oxygen propyls front three of chemistry
Oxysilane [C12H26O5Si]。
In the present embodiment, aramid fiber is F-12 aramid fibers, and molecular structural formula is：
F-12 aramid fabrics are dried after (3) one baths：By the F-12 aramid fabrics after a bath dipping at 80 DEG C
Drying, by the moisture control of F-12 aramid fabrics below 5%；
(4) one times high temperature bakes：The F-12 aramid fabrics of drying are baked into 2min at a temperature of 200 DEG C；
(5) RFL resin solutions are impregnated：F-12 aramid fabrics after high temperature is baked immerse RFL at normal temperatures
Impregnate 20min in resin solution, the bath raio of F-12 aramid fabrics and RFL resin solutions is 1:20；Then use laboratory mangle into
Row rolls even, takes three leachings four to roll, pressure 0.05MP；A specially immersing and rolling is rolled in three leachings four, an immersing and rolling, a leaching two are rolled.
In the present embodiment, RFL resin solutions include the component of following parts by weight：100 grams of distilled water, 0.44 gram of caustic soda,
85.36 grams of 3.65 grams of benzenediol, 5.38 grams of formaldehyde, 2.96 grams of ammonium hydroxide and butadiene-vinylpyridine copylymer latex solution.
In the present embodiment, the RFL resin solutions are prepared as follows：
1. the preparation of RF solution：
It weighs 66.67 grams of distilled water and 0.44 gram of caustic soda (NaOH) is added in retort, stirring is to being completely dissolved；
After reacting 5min, 3.65 grams of resorcinol is added, temperature is controlled at 23 DEG C, after stirring 30min, is weighed 5.38 grams of formaldehyde and is added
To being stirred in retort, after control temperature waits for 6h at 28 DEG C, RF solution for later use is made；
2. RFL resin solutions are made：
11.11 grams of distilled water, 2.96 grams of ammonium hydroxide and 85.36 grams of butadiene-vinylpyridine copylymer latex solution are weighed to be added in blending tank；Claim again
It takes 11.11 grams of distilled water flushings to weigh the beaker of butadiene-vinylpyridine copylymer latex, the water of flushing is also poured into blending tank；Prepared RF is molten
Liquid also pours into blending tank, and 11.11 grams of distilled water flushing RF solution reaction tanks, the water of flushing is used in combination also to pour into blending tank, stir
It mixes uniformly, after placing 30min, RFL resin solutions is made.
In the present embodiment, the ammonium hydroxide is that analysis is pure with the butadiene-vinylpyridine copylymer latex solution.
(6) secondary high-temperature bakes finished product：By the F-12 aramid fabrics after dipping RFL resin solutions at 200 DEG C
At a temperature of bake 2min modified F-12 aramid fabric finished products be made.
Embodiment 3：
One, F-12 aramid fabrics are modified and test experiments, it is specific as follows：
As shown in Figure 1：Through step of the present invention (1)-(4) the modification liquid F-12 aramid fabrics that are modified that treated
(hereinafter referred to as test specimens 1) surface forms one layer of apparent penetrating film, and film surface is bright and clean, no packing phenomenon.
As shown in Figure 2：It can be seen that there is apparent difference with 1 surface of test specimens as former state, test specimens 1 are in 3810cm-1、
2730cm-1、2420cm-1、1920cm-1、1510cm-1Nearby there is the spy that new characteristic peak belongs in silane coupling A 187
Peak is levied, illustrates that new reaction has occurred in aramid fiber surface.Test specimens 1 are in 3800~2000cm-1, 2000~1050cm-1、
662cm-1、732cm-1The absorption peak strength at place obviously increases, and illustrates fiber surface-OH ,-NH2Content increases ,-OH ,-NH2It can be with
Hydroxyl, fourth pyrrole base and carboxyl etc. react in RFL, increase the bond properties between fiber and RFL resins.
RFL resins are domestic butadiene-vinylpyridine copylymer latex, and rubber plant is special.After the method for the present invention-(step (1)-step (6)) processing
Obtained modification F-12 aramid fabrics call test specimens 2 in the following text.
The parameter of 1 F-12 aramid fabric original samples (plain weave) of table
The fracture strength of table 2 original sample and long filament in test specimens 2
Note：F-12 aramid fiber fineness is 2048dtex；The omnipotent strength machines of laboratory apparatus DY-25；0~5000N of range；Mark
Standard is《GB/T19975-2005 high-strength chemical-fibre filament draw performance test methods》, each sample testing is averaged for 10 times.
3 original sample of table and 2 fabric breaking strength of test specimens
Note：F-12 aramid fiber fineness is 2048dtex.Laboratory apparatus：The omnipotent strength machine GT-AI7000S of Taiwan high ferro,
0~20000N of range；Specimen size 10*2.5cm；Standard《HG/T2820-1996 polyamide fibres used for conveyer belt and terylene dipped canvas》；
It tests 3 times and is averaged.
Two, sulfidization molding and test experiments
4 conditions of vulcanization of table
After the completion of the modified obtained modification F-12 aramid fabric sulfidization moldings of the method for the present invention, one need to be placed
Hour, then carry out follow-up test.Conveyer belt sample hereinafter referred to as vulcanized test specimens are made through sulfidization molding.
(1) peel test
Vulcanized test specimens INSTR0N5565 tensile testing machines are tested into vulcanized test specimens separation strength, using FZ/T13010-
1998《Rubber industry synthetic fibers canvas》Standard, will be by the covering of vulcanized test specimens with constant speed using tension tester
Layer (i.e. rubber layer) and tissue layer (i.e. modified F-12 aramid fabrics) stripping, measure required Average peel force.Experiment
As a result it uses median method to indicate, i.e. average load, that is, peel strength on unit length vulcanized test specimens, sees that formula 2-1 symbols are S,
Each vulcanized test specimens test is averaged three times.
S=average loads/width (formula 2-1)
In formula：S-peel strength, N/mm
The size of vulcanized test specimens is 10 × 2.4cm in experimentation, and national standard S values reach 7.8N/mm, and rower requires S
Value reaches 8N/mm or more.
Peel strength index can evaluate bond properties between F-12 aramid fabrics and rubber.Peel strength is higher,
Then the adhesiveness of F-12 aramid fabrics and rubber is better.Since the mechanical performance index of framework material used can expire substantially
The requirement of sufficient conveyer belt, so many corporate bosses will test peel strength.Testing the molding shape of peel strength sample is
" strip ".
The level that peel strength is more than national standard is weighed in this experiment using stripping exceeding standard rate.
Remove exceeding standard rate=(practical peel strength-rower minimum standard)/rower minimum standard.
The peel strength minimum standard of national regulations conveyer belt normal use is 7.8N/mm, and the minimum standard of rower is
8.0N/mm。
5 vulcanized test specimens peel test result of table.
Remarks：
1. impregnated fabric peel test (standard of stripping is that average load/width reaches 7.5-8.0N/mm), national regulations are defeated
It is 7.8N/mm to send the separation strength minimum standard with normal use, and the minimum standard of rower is 8.0N/mm.
2. the instrument used is：The omnipotent strength machine of vulcanizing press, steel knife, INSTRON-5565.
3. the standard used is：FZ/T13010-1998 rubber industries synthetic fibers canvas.
4. vulcanizing experiment condition：150℃、30min.
Each sample testing is averaged three times.
Bond properties is very good between this modification F-12 aramid fabric and rubber as can be seen from Table 5, can
Meet conveyer belt requirement.
From figure 3, it can be seen that the rubber coating rate of fabric surface reaches 80% or more, peeling effect is preferable.
(2) senile experiment
Vulcanized test specimens are put into 105 DEG C, 72h of baking oven, are taken out after placing 3h, the separation strength of sample after aging is tested.With
The standard arrived is FZ/T13010-1998《Rubber industry synthetic fibers canvas》, the stripping of the fabric after general industry requirement aging
From the minimum standard (i.e. 7.5~8.0N/mm) for strongly reaching the separation strength for not carrying out aging fabric.Test result such as table
Shown in 6：
The aging peel strength test result of 6 vulcanized test specimens of table
Vulcanized test specimens are after burin-in process it can be seen from 6 data of table, and peel strength disclosure satisfy that professional standard, i.e.,
Peel strength after aging is within the scope of 7.5~8.0N/mm.
(3) vulcanized test specimens strength test is tested
By the vulcanized test specimens omnipotent strength machine gram T-AI7000S test fabrics tensile strength of Taiwan high ferro and elongation, adopt
《GB/T3690-1994 fabric core conveyor belts intensity and elongation assay method》.Experiment condition is room temperature, and tensile speed is
100mm/min tests the tensile strength and elongation of vulcanized test specimens, and single layer is as shown in figure 4, double-deck as shown in figure 5, specimen shape
As shown in fig. 6, test result is as shown in table 7.
The strength test result of 7 vulcanized test specimens of table
The crooked fatigue experiment result of 8 vulcanized test specimens of table
Remarks：
1. the standard used：《GB/T 33100-2016 rubberized cord belts deflect fatigue test method》.
2. the instrument used is：Fatigue experimental machine LSF- II.
3. experiment condition：Room temperature.
4. each sample test is averaged for 3 times.Sample size is 40cm × 2.5cm, single layer sandwich layer fabric
The peel strength after 10000 bendings of vulcanized test specimens 1 does not decline.According to the default standard of industry, 20000 bendings
Afterwards peel strength Xia Jiang Shuai≤30%, it is as qualified.The peel strength rate of descent after 20000 bendings of vulcanized test specimens 2 in table 8
It is 18.18%, is much smaller than 30%, meets professional standard.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of modification processing method of conveyer belt framework material F-12 aramid fabrics, which is characterized in that it includes as follows
Step：(1) it pre-processes；(2) a bath processing is carried out with modification liquid；F-12 aramid fabrics are dried after (3) one baths；(4) primary
High temperature bakes；(5) RFL resin solutions are impregnated；(6) secondary high-temperature bakes finished product；Wherein,
(1) it pre-processes：Surface washing is carried out with ethyl alcohol at normal temperatures to F-12 aramid fabrics, to remove F-12 aramid fibers
Fabric surface finish；
(2) a bath processing is carried out with modification liquid：Pretreated F-12 aramid fabrics are immersed in modification liquid at normal temperatures
20min is impregnated, then rolls even, takes three leachings four to roll, pressure 0.05MP；
F-12 aramid fabrics are dried after (3) one baths：F-12 aramid fabrics after one bath dipping are dried at 80 DEG C,
By the moisture control of F-12 aramid fabrics below 5%；
(4) one times high temperature bakes：The F-12 aramid fabrics of drying are baked into 2min at a temperature of 200 DEG C；
(5) RFL resin solutions are impregnated：F-12 aramid fabrics after high temperature is baked immerse RFL resins at normal temperatures
20min is impregnated in solution, then rolls even, takes three leachings four to roll, pressure 0.05MP；
(6) secondary high-temperature bakes finished product：By the F-12 aramid fabrics after dipping RFL resin solutions in 200 DEG C of temperature
Under bake 2min modified F-12 aramid fabric finished products be made.
2. a kind of modification processing method of conveyer belt framework material F-12 aramid fabrics according to claim 1,
It is characterized in that, the modification liquid includes the component of following parts by weight：1.46~1.54 grams of epoxy resin, coupling agent 2.87~3.30
Gram, 95.67~95.16 grams of water.
3. a kind of modification processing method of conveyer belt framework material F-12 aramid fabrics according to claim 2,
It is characterized in that, the modification liquid is prepared as follows：
1. stocking up：1.46~1.54 grams of epoxy resin, 2.87~3.30 grams of coupling agent, water are weighed by following parts by weight of component
95.67~95.16 grams；
2. preparing epoxy resin solution：The water half weighed is added in agitator tank, then the epoxy resin weighed is added
In the agitator tank, stirring to epoxy resin completely dissolves in water, and epoxy resin solution is made；
3. preparing coupling agent solution：The pH value of remaining half water is adjusted to 3.8~4.2, the coupling agent weighed is then dissolved in into tune
It saves in the water after pH value, coupling agent solution is made；
4. modification liquid is made：The epoxy resin solution is mixed with the coupling agent solution, modification is made after stirring 30min
Liquid.
4. a kind of modification processing method of conveyer belt framework material F-12 aramid fabrics according to claim 2 or 3,
It is characterized in that, the epoxy resin is EXE-313 type epoxy resin.
5. a kind of modification processing method of conveyer belt framework material F-12 aramid fabrics according to claim 2 or 3,
It is characterized in that, the coupling agent is silane coupling A 187.
6. a kind of modification processing method of conveyer belt framework material F-12 aramid fabrics according to claim 2 or 3,
It is characterized in that, in the step (2), the bath raio of F-12 aramid fabrics and modification liquid is 1:50.
7. a kind of modification processing method of conveyer belt framework material F-12 aramid fabrics according to claim 1,
It is characterized in that, the RFL resin solutions include the component of following parts by weight：100 grams of distilled water, 0.40~0.44 gram of caustic soda,
3.58~3.65 grams of benzenediol, 5.21~5.38 grams of formaldehyde, 2.82~2.96 grams of ammonium hydroxide and butadiene-vinylpyridine copylymer latex solution 82.15~
85.36 grams.
8. a kind of modification processing method of conveyer belt framework material F-12 aramid fabrics according to claim 7,
It is characterized in that, the RFL resin solutions are prepared as follows：
1. the preparation of RF solution：
It weighs 66.67 grams of distilled water and 0.40~0.44 gram of caustic soda is added in retort, stirring is to being completely dissolved；Reaction
After 5min, 3.58~3.65 grams of resorcinol is added, temperature is controlled at 22~23 DEG C, after stirring 30min, weigh 5.21~
5.38 grams of formaldehyde are added in retort and stir, and after control temperature waits for 5~6h at 22~28 DEG C, RF solution for later use is made；
2. RFL resin solutions are made：
It weighs 11.11 grams of distilled water, 2.82~2.96 grams of ammonium hydroxide and 82.15~85.36 grams of butadiene-vinylpyridine copylymer latex solution and is added to mixing
In tank；The beaker that 11.11 grams of distilled water flushings weigh butadiene-vinylpyridine copylymer latex is weighed again, and the water of flushing is also poured into blending tank；It will match
The RF solution made also pours into blending tank, is used in combination 11.11 grams of distilled water flushing RF solution reaction tanks, and the water of flushing also pours into mixed
It closes in tank, stirs evenly, after placing 30min, RFL resin solutions are made.
9. a kind of modification processing method of conveyer belt framework material F-12 aramid fabrics according to claim 7 or 8,
It is characterized in that, in the step (5), the bath raio of F-12 aramid fabrics and RFL resin solutions is 1:20.
10. a kind of modification using conveyer belt framework material F-12 aramid fabrics described in claim 1-9 any one adds
Modified F-12 aramid fabrics made from work method.
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| CN110904691A (en) * | 2019-10-18 | 2020-03-24 | 安徽华烨特种材料有限公司 | Preparation process of organic silicon modified aramid fiber coated fabric |
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