CN104788860B - Composite material for bearing wear plate and center plate wear plate of wagon and preparation method - Google Patents
Composite material for bearing wear plate and center plate wear plate of wagon and preparation method Download PDFInfo
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- CN104788860B CN104788860B CN201510183883.9A CN201510183883A CN104788860B CN 104788860 B CN104788860 B CN 104788860B CN 201510183883 A CN201510183883 A CN 201510183883A CN 104788860 B CN104788860 B CN 104788860B
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- injection molding
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- wear plate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/16—Homopolymers or copolymers or vinylidene fluoride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- 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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a composite material for a bearing wear plate and a center plate wear plate of a wagon and a preparation method. The composite material is prepared from the following constituents by mass percent: 10-60% of nylon 66 fiber, 30-90% of polyvinylidene fluoride, 0-20% of an anti-friction compound, 0-10% of a fire retardant, 0-30% of a filler, and 0-5% of a pigment. The composite material is good in wear-resisting property, prolongs the service life, and lowers the cost.
Description
Technical field
The present invention relates to a kind of composite, and in particular to a kind of goods train side bearing wear plate is with cartridge abrasion disc with again
Condensation material and preparation method.
Background technology
Existing goods train side bearing wear plate and cartridge abrasion disc are nylon material, its by environment temperature, humidity affected compared with
Greatly；When temperature height, high humidity, nylon material side bearing wear plate increases with cartridge abrasion disc expansion, intensity decreases, coefficient of friction,
It is susceptible to deformation；When temperature is low, humidity is low, nylon material side bearing wear plate reduces, rubs with cartridge abrasion disc toughness
Coefficient reduces, and is susceptible to breakage；Actual conditions are vehicles often in very short time across larger dimension or from one
Individual region runs to the region of another varying environment, therefore easily causes the above results, and its service life is low, change the frequency
Height, traffic safety there is also hidden danger.
Therefore, the overall performance of side bearing wear plate and cartridge abrasion disc when temperature, humidity are changed greatly how is taken into account,
Effectively effect can be played, service life is improved, is reduced and is changed the frequency, become those skilled in the art's skill urgently to be resolved hurrily
Art problem.
The content of the invention
It is an object of the invention to overcome defect of the prior art, there is provided one kind can be across larger dimension and different rings
The goods train side bearing wear plate in condition domain and cartridge abrasion disc composite and preparation method, performance is stable, wear-resisting
Performance is good, increases service life, cost-effective.
The present invention is achieved by the following technical programs.
Goods train side bearing wear plate and cartridge abrasion disc composite, its constituent is by mass percentage such as
Under：
Nylon 66 fiber 10-60%
Kynoar 30-90%
Anti-friction composition 0-20%
Fire retardant 0-10%
Filler 0-30%
Pigment 0-5%；
The anti-friction composition is the compound of one or more in polytetrafluoroethylene (PTFE), graphite or molybdenum bisuphide；It is described fire-retardant
Agent is antimony oxide, aluminium hydroxide, one kind of silica；The filler is wollastonite, kaolin, chromite powder, titanium
The compound of one or more in white powder；The pigment is inorganic pigment.
Above-mentioned goods train side bearing wear plate and cartridge abrasion disc composite, wherein, the nylon 66 fiber is wadding
Shape thing, specification is 12-15 denier.
Above-mentioned goods train side bearing wear plate and cartridge abrasion disc composite, wherein, the rule of the Kynoar
Lattice are 60-200 mesh.
The preparation method of above-mentioned goods train side bearing wear plate and cartridge abrasion disc composite, wherein, the preparation
Method is as follows：
（1）High speed fly cutter stirrer for mixing is added to after above-mentioned each component is weighed by mass percentage uniform, is obtained
Mixed material；
（2）By step（1）In the mixed material that obtains according to target product weight is spread in the mould of injection molding machine, injection molding machine is closed
Molding system, crystalline forming, mould temperature is 170 ~ 210 DEG C on injection molding machine, and lower mould temperature is 180 ~ 220 DEG C, molding time 40-
60min；
（3）By step（2）In the moulded products that obtain 8-15 hours are made annealing treatment in 150 DEG C of environment, you can most
Finally finished.
Beneficial effects of the present invention are：
Goods train side bearing wear plate and cartridge abrasion disc composite that the present invention is provided, can take into account temperature, wet
The overall performance of product, increases the service life when degree is changed greatly, and reduces and changes the frequency, improves traffic safety.
Specific embodiment
The specific embodiment of the present invention is described in further detail below by way of specific embodiment.
Embodiment one
The preparation method of goods train side bearing wear plate and cartridge abrasion disc composite, wherein, the preparation method
It is as follows：
（1）The polyvinylidene fluoride that 20% specification is the nylon 66 fiber of 12 denier, 70% specification is 120 mesh is weighed by mass percentage
Alkene, 7% graphite, 3% aluminium hydroxide, are added in high speed fly cutter mixer and stir 20 minutes, fully dispersed, are mixed
Material；
（2）By step（1）In the mixed material that obtains by spreading in the mould of injection molding machine, the compacting of injection molding machine matched moulds, crystallization
Shaping, the demoulding obtains black products, and mould temperature is 180 DEG C on injection molding machine, and lower mould temperature is 190 DEG C, molding time 40min；
（3）By step（2）In the black products that obtain make annealing treatment 10 hours in 150 DEG C of environment, you can finally
Finished product.
Embodiment two
The preparation method of goods train side bearing wear plate and cartridge abrasion disc composite, wherein, the preparation method
It is as follows：
（1）The polyvinylidene fluoride that 37% specification is the nylon 66 fiber of 12 denier, 50% specification is 150 mesh is weighed by mass percentage
Alkene, 5% aluminium hydroxide, 5% titanium dioxide, 3% red iron oxide 130, are added in high speed fly cutter mixer and stir 25 minutes,
It is fully dispersed, obtain mixed material；
（2）By step（1）In the mixed material that obtains by spreading in the mould of injection molding machine, the compacting of injection molding machine matched moulds, crystallization
Shaping, the demoulding obtains red product, and mould temperature is 185 DEG C on injection molding machine, and lower mould temperature is 195 DEG C, molding time 60min；
（3）By step（2）In the red product that obtains make annealing treatment 10 hours in 150 DEG C of environment, you can finally
Finished product.
Embodiment three
The preparation method of goods train side bearing wear plate and cartridge abrasion disc composite, wherein, the preparation method
It is as follows：
（1）The polyvinylidene fluoride that 50% specification is the nylon 66 fiber of 12 denier, 35% specification is 120 mesh is weighed by mass percentage
Alkene, 5% aluminium hydroxide, 5% kaolin, 5% titanium dioxide, are added to stirring 30 minutes in high speed fly cutter mixer, fully
Dispersion, obtains mixed material；
（2）By step（1）In the mixed material that obtains by spreading in the mould of injection molding machine, the compacting of injection molding machine matched moulds, crystallization
Shaping, the demoulding obtains Bai Zhongwei Huang products, and mould temperature is 180 DEG C on injection molding machine, and lower mould temperature is 190 DEG C, molding time
55min；
（3）By step（2）In obtain Bai Zhongwei Huang product make annealing treatment 10 hours in 150 DEG C of environment, you can must
Final finished.
Now to embodiment one, embodiment two and obtained in embodiment three, each performance indications of finished product are detected, detection knot
Fruit is as follows：
| Performance indications | Embodiment one | Embodiment two | Embodiment three |
| Density | 1.65 | 1.63 | 1.59 |
| Tensile strength Mpa | 62 | 95 | 81 |
| Compression strength Mpa | 144 | 182 | 157 |
| Impact strength KJ/m2 | 60 | 95 | 70 |
| Shear strength Mpa | 25 | 41 | 34 |
| Thermal coefficient of expansion 10-6/℃ | 35 | 49 | 60 |
| Coefficient of friction | 0.15 | 0.29 | 0.4 |
| Highest sustained service temperature DEG C | 120 | 120 | 120 |
| Highest discontinuous operation temperature DEG C | 170 | 170 | 170 |
| Flame retardant rating | 94V-1 | 94V-1 | 94V-1 |
Here description of the invention and application are illustrative, are not wishing to limit the scope of the invention to above-described embodiment
In, therefore, the present invention is not limited by the present embodiment, and the technical scheme that any employing equivalence replacement is obtained is in present invention protection
In the range of.
Claims (3)
1. the preparation method of goods train side bearing wear plate and cartridge abrasion disc composite, it is characterized by, the preparation side
Method is as follows：
(1) polyvinylidene fluoride that 20% specification is the nylon 66 fiber of 12 denier, 70% specification is 120 mesh is weighed by mass percentage
Alkene, 7% graphite, 3% aluminium hydroxide, are added in high speed fly cutter mixer and stir 20 minutes, fully dispersed, are mixed
Material；
(2) by the mixed material obtained in step (1) by spreading in the mould of injection molding machine, injection molding machine matched moulds is suppressed, crystalline forming,
The demoulding obtains black products, and mould temperature is 180 DEG C on injection molding machine, and lower mould temperature is 190 DEG C, molding time 40min；
(3) black products obtained in step (2) are made annealing treatment 10 hours in 150 DEG C of environment, you can obtain final finished.
2. the preparation method of goods train side bearing wear plate and cartridge abrasion disc composite, it is characterized by, the preparation side
Method is as follows：
(1) polyvinylidene fluoride that 37% specification is the nylon 66 fiber of 12 denier, 50% specification is 150 mesh is weighed by mass percentage
Alkene, 5% aluminium hydroxide, 5% titanium dioxide, 3% red iron oxide 130, are added in high speed fly cutter mixer and stir 25 points
Clock, it is fully dispersed, obtain mixed material；
(2) by the mixed material obtained in step (1) by spreading in the mould of injection molding machine, injection molding machine matched moulds is suppressed, crystalline forming,
The demoulding obtains red product, and mould temperature is 185 DEG C on injection molding machine, and lower mould temperature is 195 DEG C, molding time 60min；
(3) the red product obtained in step (2) is made annealing treatment 10 hours in 150 DEG C of environment, you can obtain final finished.
3. the preparation method of goods train side bearing wear plate and cartridge abrasion disc composite, it is characterized by, the preparation side
Method is as follows：
(1) polyvinylidene fluoride that 50% specification is the nylon 66 fiber of 12 denier, 35% specification is 120 mesh is weighed by mass percentage
Alkene, 5% aluminium hydroxide, 5% kaolin, 5% titanium dioxide, are added in high speed fly cutter mixer and stir 30 minutes, fill
Dispersion, obtains mixed material；
(2) by the mixed material obtained in step (1) by spreading in the mould of injection molding machine, injection molding machine matched moulds is suppressed, crystalline forming,
The demoulding obtains Bai Zhongwei Huang products, and mould temperature is 180 DEG C on injection molding machine, and lower mould temperature is 190 DEG C, molding time 55min；
(3) Bai Zhongwei obtained in step (2) Huang products are made annealing treatment 10 hours in 150 DEG C of environment, you can obtain finally
Finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510183883.9A CN104788860B (en) | 2015-04-20 | 2015-04-20 | Composite material for bearing wear plate and center plate wear plate of wagon and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510183883.9A CN104788860B (en) | 2015-04-20 | 2015-04-20 | Composite material for bearing wear plate and center plate wear plate of wagon and preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104788860A CN104788860A (en) | 2015-07-22 |
| CN104788860B true CN104788860B (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510183883.9A Active CN104788860B (en) | 2015-04-20 | 2015-04-20 | Composite material for bearing wear plate and center plate wear plate of wagon and preparation method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105111729B (en) * | 2015-09-08 | 2018-04-17 | 广州市聚赛龙工程塑料股份有限公司 | Environmental protection flame retardant carbon fiber reinforced polyamide composite material and its preparation method and application |
| CN108264758A (en) * | 2016-12-30 | 2018-07-10 | 上海杰事杰新材料(集团)股份有限公司 | A kind of high dielectric property and wear-resisting nylon composite materials and preparation method thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0133357B1 (en) * | 1992-12-31 | 1998-04-13 | 전성원 | New polyamide resin composition for automobile exterior |
| CN101293996B (en) * | 2008-06-13 | 2010-08-25 | 镇江铁科橡塑制品有限公司 | Goods train side bearing wear plate material |
| CN101608065B (en) * | 2009-07-03 | 2011-12-21 | 深圳市华力兴工程塑料有限公司 | Halogen-free environmentally friendly flame-proof enhanced nylon 66 resin and preparation method thereof |
| CN102993699A (en) * | 2012-10-19 | 2013-03-27 | 芜湖市鑫海橡塑制品有限责任公司 | Polytetrafluoroethylene modified nylon polyamide 6 (PA6) material for automobile oil pipe and preparation method of polytetrafluoroethylene modified nylonPA6 material |
| CN103059563A (en) * | 2012-11-01 | 2013-04-24 | 镇江铁科橡塑制品有限公司 | Material for chute wearing plate of high-speed heavy haul railway railway wagon and preparation method thereof |
| CN104177821B (en) * | 2013-05-27 | 2017-09-08 | 杜邦公司 | Fire-resistant polyamide composite with improved impact resistance |
| CN104513474A (en) * | 2013-09-27 | 2015-04-15 | 青岛蓝农谷农产品研究开发有限公司 | High temperature resistant and anticorrosive polymer |
| CN103642221A (en) * | 2013-11-11 | 2014-03-19 | 青岛佰众化工技术有限公司 | Flame-resistant and wear resistant PA66, PC and PVDF alloy material and preparation method thereof |
| CN104046018B (en) * | 2014-06-20 | 2016-08-24 | 浙江衢州万能达科技有限公司 | A kind of polyhexamethylene adipamide composition |
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Address after: 212021 No. 29, Xing Xing Road, Jiangsu, Zhenjiang Patentee after: River Cycadaceae new material limited company Address before: 212021 No. 29, Xing Xing Road, Jiangsu, Zhenjiang Patentee before: Zhenjiang Tieke Rubber Products Ltd. |