CN113275557A - Formula material of anti-aging high-strength damping block and test method thereof - Google Patents
Formula material of anti-aging high-strength damping block and test method thereof Download PDFInfo
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- CN113275557A CN113275557A CN202110524245.4A CN202110524245A CN113275557A CN 113275557 A CN113275557 A CN 113275557A CN 202110524245 A CN202110524245 A CN 202110524245A CN 113275557 A CN113275557 A CN 113275557A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
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- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
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- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
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Abstract
The invention relates to the technical field of damping blocks and discloses a formula material of an anti-aging high-strength damping block and a test method thereof, wherein the formula material comprises butyl rubber, polyisobutylene, paraffin engine oil, naphthenic oil, iron powder, barium sulfate, reclaimed rubber and an anti-aging agent, and the formula material comprises the following components in parts by weight: 5% of butyl rubber, 5% of polyisobutylene, 5% of paraffin engine oil, 0.08% of naphthenic oil, 58% of iron powder, 24% of barium sulfate, 2% of reclaimed rubber and 0.02% of anti-aging agent. The damping block produced by the invention has excellent high and low temperature resistance, aging resistance, weather resistance, ozone resistance and corrosion resistance, the damping block can not be locally broken when in use, the service life of the damping block can be greatly prolonged compared with the service life of the original Yangni block, and the frequency of replacing the damping block by people is reduced.
Description
Technical Field
The invention relates to the technical field of damping blocks, in particular to a formula material of an anti-aging high-strength damping block and a test method thereof.
Background
The damping block is a device which provides resistance to movement and dissipates the energy of the movement. The damping block is widely applied to the industries of aerospace, aviation, military T-guns, automobiles and the like, and various damping blocks are utilized to reduce vibration and dissipate energy; with the continuous progress and development of society, the frequency and the places of vibration and noise are more and more, the vibration, the impact and the noise have serious harm to social production and social life, and the vibration and the noise pollution become one of three pollution in the world which are compared with water pollution and air pollution. Therefore, vibration damping and noise reduction are one of the important problems which need to be solved urgently in the current environmental protection.
At present, in the market, damping materials are used as an effective means for solving the problems, polymers have elasticity, the molecular chain moves to generate internal friction, absorbed mechanical energy and sound energy are converted into heat energy to be consumed, the damping blocks are more stressed at the distributed positions of a circle of reinforcing blocks in work, and the damping blocks are usually made of rubber, so that the service life of the damping blocks is influenced due to the fact that the damping blocks are prone to cracking and the like in the process of continuous movement.
Therefore, a formula material of the anti-aging high-strength damping block and a test method thereof are designed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a formula material of an anti-aging high-strength damping block and a test method thereof, and solves the problems of high aging rate and poor strength of the existing damping block.
In order to achieve the purpose, the invention adopts the technical scheme that:
the formula material of the anti-aging high-strength damping block comprises butyl rubber, polyisobutylene, paraffin engine oil, naphthenic oil, iron powder, barium sulfate, reclaimed rubber and an anti-aging agent, and comprises the following components in parts by weight: 5% of butyl rubber, 5% of polyisobutylene, 5% of paraffin engine oil, 0.08% of naphthenic oil, 58% of iron powder, 24% of barium sulfate, 2% of reclaimed rubber and 0.02% of anti-aging agent.
Furthermore, the reclaimed rubber is any one of ethylene propylene diene reclaimed rubber or butyronitrile reclaimed rubber.
Furthermore, the anti-aging agent is any one of N-phenyl a-aniline, N-phenyl beta-naphthylamine or N-phenyl N-cyclohexyl p-phenylenediamine.
The test method of the anti-aging high-strength damping block further comprises the following test indexes:
the size of the density is an index,
the index of the degree of softness and hardness,
the index of high-temperature resistance is,
the index of stretchability is determined by the degree of stretchability,
the index of cold resistance is shown in the specification,
weather resistance index.
Furthermore, the density index is tested according to the GB/T533 method, and the surface coating and the bottom paper of the plaster are removed during sampling.
Further, the soft and hard degree index is tested according to GB/T4509, and the total weight of the needle body and the needle rod is 50 g.
Furthermore, the high temperature resistance index is obtained by cutting a sample of 60mm × 100mm, folding the edge of the sample of 100mm into 50mm × 2, adhering the sample to a copper pipe of phi 12.7mm (the thickness of a compression style is 20%), testing a sample piece with the size smaller than 60mm × 100mm by using an actual sample piece, preparing two sample pieces, horizontally and vertically placing the two sample pieces in a thermostat of 120 ± 2 ℃ respectively (the temperature of the thermostat of an air-conditioning product should be one of three temperatures of 140 ± 2 ℃, 130 ± 2 ℃ and 120 ± 2 ℃), keeping the temperature for 96 hours, taking out the sample pieces, cooling the sample pieces to room temperature, measuring the downward movement displacement of the sample by using a vernier caliper with the precision of 0.02mm, and observing the surface state of the sample.
Further, the tensile index was measured by making a sample into a hexahedron of 30mm × 30mm × 10mm, compressing 1/2 in an iron plate (δ ≥ 10m), maintaining the hexahedron at room temperature (20 ℃. + -. 2 ℃) for 24 hours, and then directly testing the hexahedron at a tensile testing machine chuck at a tensile rate of 200 mm/min.
Further, the cold resistance index is obtained by winding a 30X 10(mm) sample on a copper tube having a diameter of 9.5mm or more, vertically standing the sample in a low temperature environment of-40. + -. 3 ℃ for 24 hours, and observing the state of the sample.
Further, the weather resistance index is prepared into a hexahedron with the sample size of 100mm multiplied by 50mm multiplied by 10mm, the sample is laid flat, and after the test is finished, the sample is taken out to check the surface change state of the sample; the sample was pressed against a copper plate (not less than 100g) having a length and width of 50mm and a thickness delta of 5mm at room temperature (20 DEG + -2 ℃) for 30 seconds by its own weight, and then the copper plate was gently lifted up to perform the self-adhesion test.
The invention has the beneficial effects that:
the damping block produced by the invention has excellent high and low temperature resistance, aging resistance, weather resistance, ozone resistance and corrosion resistance, the damping block can not be locally broken when in use, the service life of the damping block can be greatly prolonged compared with the service life of the original Yangni block, and the frequency of replacing the damping block by people is reduced.
Drawings
FIG. 1 is a flow chart of the test index of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The formula material of the anti-aging high-strength damping block comprises butyl rubber, polyisobutylene, paraffin engine oil, naphthenic oil, iron powder, barium sulfate, reclaimed rubber and an anti-aging agent, and comprises the following components in parts by weight: 5% of butyl rubber, 5% of polyisobutylene, 5% of paraffin engine oil, 0.08% of naphthenic oil, 58% of iron powder, 24% of barium sulfate, 2% of reclaimed rubber and 0.02% of anti-aging agent;
the butyl rubber is used for increasing the tensile force, the polyisobutylene is used for improving the lubrication tackifying property and the moisture retention property, the paraffin engine oil and the naphthenic oil play a role of a rubber softener, the iron powder is used for increasing the specific gravity, the barium sulfate is used for increasing the specific gravity, the regenerated rubber is generally used for rubber types with the specific gravity requirement of 2.6, the regenerated rubber is used for increasing the tensile strength, the anti-aging agent is used for keeping the chemical property stability of the damping block, the aging is prevented, the damping block produced by the damping block has excellent high and low temperature resistance and aging resistance, weather resistance, ozone resistance and good corrosion resistance, the situation of local fracture can not occur when the damping block is used, the service life of the damping block is prolonged greatly compared with that of the original Yangni block, and the frequency of replacing the damping block by people is reduced.
The reclaimed rubber is any one of ethylene propylene diene reclaimed rubber or butyronitrile reclaimed rubber.
The antioxidant is any one of N-phenyl a-aniline, N-phenyl beta-naphthylamine or N-phenyl N-cyclohexyl p-phenylenediamine.
Referring to fig. 1, a test method of the anti-aging high-strength damping block further includes the following test indexes:
the size of the density is an index,
the index of the degree of softness and hardness,
the index of high-temperature resistance is,
the index of stretchability is determined by the degree of stretchability,
the index of cold resistance is shown in the specification,
weather resistance index.
It should be noted that the density index is tested according to the method of GB/T533, and the surface coating and the bottom paper of the plaster are removed during sampling.
It should be noted that the soft and hard degree index is measured by taking the total weight of the needle body and the needle rod as 50g according to GB/T4509.
The high temperature resistance index is characterized in that a sample of 60mm multiplied by 100mm is cut, the edge of the sample of 100mm is folded into 50mm multiplied by 2, the sample is adhered to a copper pipe of 12.7mm phi (the thickness of a compression style is 20%), a sample piece with the size smaller than 60mm multiplied by 100mm is tested by an actual sample piece, two sample pieces are prepared, the two sample pieces are respectively horizontally and vertically placed in a thermostat with the temperature of 120 plus or minus 2 ℃ (the temperature of the thermostat of an air conditioner product should be one of three temperatures of 140 plus or minus 2 ℃, 130 plus or minus 2 ℃ and 120 plus or minus 2 ℃), the sample pieces are taken out after being kept for 96 hours, after the sample pieces are cooled to the room temperature, the downward movement displacement of the sample is measured by a vernier caliper with the precision of 0.02mm, and the surface state of the sample is observed.
The tensile index was measured by pressing 1/2 a sample into a hexahedron of 30 mm. times.30 mm. times.10 mm in an iron plate (. delta. gtoreq.10 m), holding the hexahedron at room temperature (20 ℃ C. + -2 ℃ C.) for 24 hours, and then directly testing the hexahedron at a tensile testing machine chuck at a tensile rate of 200 mm/min.
The cold resistance index is obtained by winding a 30X 10(mm) sample on a copper tube having a diameter of 9.5mm or more, vertically standing the sample in a low temperature environment of-40. + -. 3 ℃ for 24 hours, and observing the state of the sample.
The weather resistance index is prepared into a hexahedron with a sample size of 100mm multiplied by 50mm multiplied by 10mm, the sample is laid flat, and after the test is finished, the surface change state of the sample is taken out and checked; the sample was pressed against a copper plate (not less than 100g) having a length and width of 50mm and a thickness delta of 5mm at room temperature (20 DEG + -2 ℃) for 30 seconds by its own weight, and then the copper plate was gently lifted up to perform the self-adhesion test.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The formula material of the anti-aging high-strength damping block comprises butyl rubber, polyisobutylene, paraffin engine oil, naphthenic oil, iron powder, barium sulfate, reclaimed rubber and an anti-aging agent, and is characterized in that the formula material comprises the following components in parts by weight: 5% of butyl rubber, 5% of polyisobutylene, 5% of paraffin engine oil, 0.08% of naphthenic oil, 58% of iron powder, 24% of barium sulfate, 2% of reclaimed rubber and 0.02% of anti-aging agent.
2. The formula material of the anti-aging high-strength damping block as claimed in claim 1, wherein the reclaimed rubber is any one of ethylene propylene diene monomer reclaimed rubber or acrylonitrile butadiene reclaimed rubber.
3. The formula material of the anti-aging high-strength damping block as claimed in claim 1, wherein the anti-aging agent is any one of N-phenyl a-aniline, N-phenyl β -naphthylamine or N-phenyl N-cyclohexylp-phenylenediamine.
4. A method for testing an anti-aging high-strength damping mass as claimed in any one of claims 1 to 3, further comprising the following test criteria:
the size of the density is an index,
the index of the degree of softness and hardness,
the index of high-temperature resistance is,
the index of stretchability is determined by the degree of stretchability,
the index of cold resistance is shown in the specification,
weather resistance index.
5. The method for testing the anti-aging high-strength damping block according to claim 4, wherein the density index is tested according to the GB/T533 method, and the surface coating and the bottom paper of the plaster are removed during sampling.
6. The method for testing the anti-aging high-strength damping block according to claim 4, wherein the soft and hard degree index is measured according to GB/T4509, wherein the total weight of the needle body and the needle rod is 50 g.
7. The method as claimed in claim 4, wherein the high temperature resistance index is obtained by cutting a 60mm x 100mm sample, folding the 100mm side of the sample into 50mm x 2, sticking it on a copper tube with a diameter of 12.7mm (the thickness of the compression sample is 20%), testing the sample with a size less than 60mm x 100mm with the actual sample, preparing two samples, placing them horizontally and vertically in a 120 ± 2 ℃ thermostat (the thermostat temperature of the air conditioner should be one of 140 ± 2 ℃, 130 ± 2 ℃ and 120 ± 2 ℃), keeping for 96h, taking them out, cooling to room temperature, measuring the downward movement of the sample with a vernier caliper with a precision of 0.02mm and observing the surface state of the sample.
8. The method for testing an anti-aging high-strength damping block according to claim 4, wherein the tensile index is measured directly on a chuck of a tensile testing machine after the sample is made into a 30mm x 10mm hexahedron and compressed 1/2 in an iron plate (delta is greater than or equal to 10m) and kept for 24 hours at room temperature (20 ℃ +/-2 ℃), and the tensile speed is 200 mm/min.
9. The method for testing an anti-aging high-strength damping block according to claim 4, wherein the cold resistance index is obtained by winding a 30 x 10(mm) sample on a copper pipe with a diameter of 9.5mm or more, vertically placing the sample in a low-temperature environment of-40 ± 3 ℃ for 24 hours, and observing the state of the sample.
10. The method for testing the anti-aging high-strength damping block according to claim 4, wherein the weather resistance index is obtained by making a hexahedron with a sample size of 100mm x 50mm x 10mm, laying the sample flat, and after the test is finished, taking out the sample and checking the surface change state of the sample; the sample was pressed against a copper plate (not less than 100g) having a length and width of 50mm and a thickness delta of 5mm at room temperature (20 DEG + -2 ℃) for 30 seconds by its own weight, and then the copper plate was gently lifted up to perform the self-adhesion test.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115651323A (en) * | 2022-12-14 | 2023-01-31 | 艾华(浙江)新材料有限公司 | High-density damping fin and preparation method thereof |
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