CN104262951B - Polymer composite, preparation method and application thereof as well as prepared bush - Google Patents
Polymer composite, preparation method and application thereof as well as prepared bush Download PDFInfo
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- CN104262951B CN104262951B CN201410538007.9A CN201410538007A CN104262951B CN 104262951 B CN104262951 B CN 104262951B CN 201410538007 A CN201410538007 A CN 201410538007A CN 104262951 B CN104262951 B CN 104262951B
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- polymer composite
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- antioxidant
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Classifications
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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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The invention belongs to the technical field of materials, and discloses a polymer composite, a preparation method and an application thereof as well as a prepared bush. Raw materials in parts by mass including 70-100 parts of polyamide resin, 5-20 parts of high strength glass fiber, 1-10 parts of solid glass beads, 0-2 parts of an antioxidant, 0-2 parts of a lubricant and 0-2 parts of a coupling agent are mixed and subjected to extrusion granulation to obtain a product. The polymer composite applies to preparation of a locomotive traction device, a pin bush, military equipment, construction machinery, vehicles, ships, hydraulic engineering, oil production equipment or lifting machinery. The bush prepared by the polymer composite is a pin bush which is obtained by the polymer composite subjected to drying, extrusion molding, stress relief, machining, inspection, appearance clean, packaging and storage sequentially. The physical combination property of the polymer composite is excellent, and proved by actual application effect on a locomotive, the pin bush prepared by the polymer composite has the characteristics of simplicity, easiness in mounting, excellent effect and the like.
Description
Technical field
The invention belongs to field of material technology and in particular to a kind of polymer composite and preparation method thereof, application, system
Standby set.
Background technology
The draw-gear that domestic railway hx, ss, df series cab uses at present and set are steel material.Due to steel material
Expect the impact of the characteristic and locomotive operation environment (climatic environment such as high and low temperature, humidity, soda acid, dust storm) having, determine
There is different degrees of hard grind in running between pin and sleeve to damage, particularly in unfavorable factors such as moist, climatic environment pollutions
In the environment of, due to steel material corrosion-resistant, pin and sleeve often has the dead phenomenon of rust to occur.Simultaneously because moistening between pin and guide
Sliding effect is poor (although being filled with lubricating grease, being subject to the ambient influnence such as high/low temperature, humidity, corrosion, its lubricant effect reduces quickly)
Ultimately result in pin and the guide degree of wear drastically increases and corrosion service life that is serious, reducing pin and sleeve, increase and keep in repair into
This.Simultaneously in locomotive medium-term repair and overhaul, the pin of serious wear and guide are required for changing.But seriously become rusty due between guide
Extremely, cause unloading process difficulty and intensity to increase, using removal tool special or the mode ability such as heating tool, gas cutting need to be used
It is isolated, lead to destroy its original quality of fit, increase maintenance worker's labour intensity, under operating efficiency reduces.In view of
This situation, market active demand is set about from locomotive set, develops, develops one kind and can meet locomotive operation needs, has simultaneously
Have self-lubricating exempt from oiling, easy to install, dismounting, reduce with maintenance cost and maintenance intensity series alternative guide product, from
The drawbacks of fundamentally solving steel material connecting lever pin and guide and exist in actual use, meanwhile, rotate in non-high-speed, non-
High heat produce ambient condition under, also can multiple fields for example military equipment, engineering machinery, vehicle, ship, hydraulic engineering,
The aspects such as oil exploration equipment, elevation and subsidence mechanical are widely used.
Content of the invention
For overcoming the shortcomings of the prior art, it is an object of the invention to provide one kind can substitute steel material
Polymer composite of material and preparation method thereof, application, and the set using its preparation.
For achieving the above object, the technical scheme that the present invention takes is as follows:
A kind of preparation method of polymer composite, takes off each raw material stating mass fraction, and batch mixing, extruding pelletization are
Can: polyamide 70-100 part, high strength glass fiber 5-20 part, solid glass micro-bead 1-10 part, antioxidant 0-2 part,
Lubricant 0-2 part, coupling agent 0-2 part.
Specifically, first take polyamide, solid glass micro-bead, antioxidant, lubricant, coupling agent, mix, take
The material mixing adds in te-50 double screw extruder, adds high strength glass fiber, after shaping cooling, dries up, cuts
Grain, screening, dry, end product packaging.
Further, the parameter of te-50 double screw extruder is set to: head temperature is 235 ± 2 DEG C, 1-9 area processing temperature
Degree is followed successively by: 170 ± 2 DEG C, 220 ± 2 DEG C, 230 ± 2 DEG C, 235 ± 2 DEG C, 235 ± 2 DEG C, 235 ± 2 DEG C, 230 ± 2 DEG C, 230 ±
2 DEG C, 235 ± 2 DEG C, engine speed is 100-250r/min, and main frame electric current is 50-180a.
Preferably, described antioxidant is antioxidant 1098 or antioxidant 168.
Preferably, described lubricant is silicone powder, calcium stearate or molybdenum bisuphide.
Preferably, described coupling agent is kh550.
The polymer composite of described preparation method preparation.The present invention can be according to different application environment, using not of the same race
The polyamide material of class, prepares the composite of different performance.
Polymer composite of the present invention is preparing device for tracting locomotive, guide, military equipment, engineering machinery, car
, ship, hydraulic engineering, the application in oil exploration equipment or elevation and subsidence mechanical.
The set of polymer composite preparation of the present invention: described set is guide, by polymer composite successively warp
Drying, extrusion molding, destressing, machining, inspection, cleaning outward appearance, packaging and storage and obtain.
Specifically, adopt sj-90 × 30-110 single screw extrusion machine during extrusion molding after polymer composite being dried,
Each area processing temperature is set to: 190-200 DEG C of an area, 210-220 DEG C of 2nd area, 210-220 DEG C of 3rd area, 215-230 DEG C of 4th area, five
220-240 DEG C of area；Described destressing refers to that water boils 2 hours；Described machining includes roughing and finishing.
Advantages of the present invention:
1st, the polymer composite of present invention preparation has a characteristic that a, high mechanical strength, good toughness, has higher
Tension, compression strength；B, fatigue performance project；C, softening point height are heat-resisting；D, can use under the conditions of -60 DEG C ~ 120 DEG C, low
Warm shock resistance is good；E, coefficient of friction are little, and self lubricity is good, repair in the phase and be not required to note lubricating grease, non-maintaining in one；f、
Corrosion resistance is strong, has resistance to alkali salt, weak acid, various grease and arene compounds and common solvent, can resist above-mentioned substance
Erosion there is good ageing resistance；J, there is self-extinguishment, nontoxic, odorless, good weatherability, inert to bioerosion, have
Good antibacterial, Antimould power；H, easy processing shaping, can meet production in enormous quantities；I, design 3 years life-spans on probation.
2nd, utilize the guide of polymer composite preparation of the present invention, through practice compliance test result on locomotive: have letter
Single, easy to install, the features such as effect is good.
3rd, select expressing technique as the production technology of guide, disclosure satisfy that low cost, efficiency high, product quality are stable
Need.
Brief description
The preparation technology flow chart of Fig. 1: polymer composite.
The structural representation of Fig. 2: guide.
The preparation technology flow chart of Fig. 3: guide.
Specific embodiment
Embodiment 1: the preparation of polymer composite
Technological process is as shown in figure 1, specifically comprise the following steps that
The first step: batch mixing
Take nylon 1212 resin 75kg, solid glass micro-bead 8kg, antioxidant 1098 0.8kg；Lubricant silicone powder
1 kg；It is coupled kh550 0.6kg；Above-mentioned various materials are added in the high mixer of 500l, after mixing 3 minutes, release material.
Second step: extruding pelletization
Take the material mixing to add in te-50 double screw extruder, add 15kg high strength glass fiber, shaping is cold
But, after, hair dryer dries up, pelleter pelletizing, vibratory sieve screening, be dried, end product pack；Wherein te-50 double screw extruder
Head temperature be 235 DEG C, 1-9 area processing temperature is followed successively by: 170 DEG C, 220 DEG C, 230 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 230
DEG C, 230 DEG C, 235 DEG C, engine speed be 250r/min, main frame electric current be 180a.
Performance test
2 kilograms of polymer composites manufactured in the present embodiment are taken to make various standard samples using ly80-lcd injection machine
Bar, is tested after placing 24 hours.
Injection machine temperature: 185 DEG C of area's temperature, 240 DEG C of two area's temperature, 240 DEG C of three area's temperature；Injection moulding speed 60g/s, note
Mould time 5s, injection pressure 39mpa, dwell pressure 45 mpa, dwell time 20s.
Test result such as table 1 is it is known that the polymer composite of present invention preparation has a characteristic that a, mechanical strength
Height, good toughness, there are higher tension, compression strength；B, fatigue performance project；C, can use under the conditions of -60 DEG C ~ 120 DEG C,
Low-temperature impact resistance is good；D, coefficient of friction are little, and self lubricity is good, repair in the phase and be not required to note lubricating grease, non-maintaining in one.
Simultaneously because the raw material of the present invention employs nylon 1212, therefore the polymer composite of preparation also has the following characteristics that e, soft
Change point high, heat-resisting；F, corrosion resistance are strong, have resistance to alkali salt, weak acid, various grease and arene compounds and common solvent,
The erosion that above-mentioned substance can be resisted has good ageing resistance；J, there is self-extinguishment, nontoxic, odorless, good weatherability, to biology
Corrode inert, have good antibacterial, Antimould power；H, easy processing shaping, can meet production in enormous quantities；I, design life-span on probation
3 years.
Embodiment 2: the application of polymer composite
Polymer composite of the present invention, due to its excellent performance, can be used for preparing device for tracting locomotive or set.
Specifically, taking prepare guide product (structure is as shown in Figure 2) as a example, process chart is as shown in Figure 3: by embodiment
The polymer composite particle of 1 preparation is dried 8 hours at 90 DEG C, then adopts sj-90 × 30-110 single screw extrusion machine
(each area processing temperature is set to: 200 DEG C of an area, 220 DEG C of 2nd area, 220 DEG C of 3rd area, 230 DEG C of 4th area, 240 DEG C of 5th area) is extruded into
Type, destressing (water boils 2 hours), machining (roughing, finishing), inspection, clear up outward appearance, packaging and storage and obtain.
Practice effect pair on locomotive for the polymer composite guide of conventional steel guide and embodiment 2 preparation
Than be shown in Table 2 it is known that: the guide product of polymer composite of the present invention preparation has the features such as simple, easy to install, effect is good,
Contribute to mentioning the economy of locomotive operation and security, there is higher promotional value, in military equipment, engineering machinery, car
, ship, hydraulic engineering, the field such as oil exploration equipment, elevation and subsidence mechanical there is wide promotion prospect.
Only it is set forth in the application preparing in guide, practice scope is wider in embodiment 2, can be according to different application environment
And technical requirements are adjusted to formula to apply different occasions.
Claims (4)
1. a kind of preparation method of polymer composite is it is characterised in that take off each raw material stating mass fraction: nylon 1212
Resin 70-100 part, high strength glass fiber 5-20 part, solid glass micro-bead 1-10 part, antioxidant 0-2 part, lubricant 0-2
Part, coupling agent 0-2 part；First take nylon 1212 resin, solid glass micro-bead, antioxidant, lubricant, coupling agent, mix,
Take the material mixing to add in te-50 double screw extruder, add high strength glass fiber, after shaping cooling, dry up, cut
Grain, screening, drying, end product is packed；The parameter of te-50 double screw extruder is set to: head temperature is 235 ± 2
DEG C, 1-9 area processing temperature be followed successively by 170 ± 2 DEG C, 220 ± 2 DEG C, 230 ± 2 DEG C, 235 ± 2 DEG C, 235 ± 2 DEG C, 235 ± 2 DEG C,
230 ± 2 DEG C, 230 ± 2 DEG C, 235 ± 2 DEG C, engine speed is 100-250r/min, and main frame electric current is 50-180a；Described antioxygen
Agent is antioxidant 1098 or antioxidant 168；Described lubricant is silicone powder, calcium stearate or molybdenum bisuphide；Described idol
Connection agent is kh550, batch mixing, extruding pelletization.
2. using described in claim 1 preparation method preparation polymer composite prepare device for tracting locomotive, guide,
Application in military equipment, engineering machinery, vehicle, ship, hydraulic engineering, oil exploration equipment or elevation and subsidence mechanical.
3. utilize claim 1 described in preparation method preparation polymer composite preparation set it is characterised in that: described
Cover for guide, by polymer composite successively drying, extrusion molding, destressing, machining, inspection, cleaning outward appearance, packaging
Put in storage and obtain.
4. as claimed in claim 3 set it is characterised in that: adopt sj- after polymer composite is dried during extrusion molding
90 × 30-110 single screw extrusion machine, each area processing temperature is set to: 190-200 DEG C of an area, 210-220 DEG C of 2nd area, 3rd area
210-220 DEG C, 215-230 DEG C of 4th area, 220-240 DEG C of 5th area；Described destressing refers to that water boils 2 hours；Described machining includes
Roughing and finishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410538007.9A CN104262951B (en) | 2014-10-13 | 2014-10-13 | Polymer composite, preparation method and application thereof as well as prepared bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410538007.9A CN104262951B (en) | 2014-10-13 | 2014-10-13 | Polymer composite, preparation method and application thereof as well as prepared bush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104262951A CN104262951A (en) | 2015-01-07 |
| CN104262951B true CN104262951B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410538007.9A Active CN104262951B (en) | 2014-10-13 | 2014-10-13 | Polymer composite, preparation method and application thereof as well as prepared bush |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106810849A (en) * | 2017-02-20 | 2017-06-09 | 四川久远科技股份有限公司 | A kind of superelevation light nylon composite materials for motor intake manifold and preparation method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100297388A1 (en) * | 2006-02-03 | 2010-11-25 | The University Of Maine System Board Of Trustees | Composite panel for blast and ballistic protection |
| US9567462B2 (en) * | 2006-12-28 | 2017-02-14 | Ems-Chemie Ag | Polyamide molding materials reinforced with glass fibers and injection molded parts thereof |
| CN100575419C (en) * | 2006-12-28 | 2009-12-30 | 深圳市科聚新材料有限公司 | A kind of polyamide material and preparation method thereof |
| CN103571046A (en) * | 2012-08-03 | 2014-02-12 | 辽宁辽杰科技有限公司 | Ultra-high strength glass fiber reinforced thermoplastic resin composite plate and preparation method thereof |
| ES2621053T3 (en) * | 2012-08-28 | 2017-06-30 | Ems-Patent Ag | Polyamide molding mass and its use |
| CN103044910B (en) * | 2012-12-10 | 2015-07-01 | 上海普利特复合材料股份有限公司 | Glass fiber reinforced nylon 6 composite material with superhigh content and preparation method thereof |
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Address after: 450001 No. 5 Sakura street, hi tech Industrial Development Zone, Henan, Zhengzhou Co-patentee after: Shandong Dongchen raisen new Mstar Technology Ltd Patentee after: HENAN YUANTONG TECHNOLOGY DEVELOPMENT CO., LTD. Address before: 450001 No. 5 Sakura street, hi tech Industrial Development Zone, Henan, Zhengzhou Co-patentee before: ShanDong DongChen Engineering Plastic Co., Ltd. Patentee before: HENAN YUANTONG TECHNOLOGY DEVELOPMENT CO., LTD. |