CN107337917A - A kind of polyurethane buffering block - Google Patents
A kind of polyurethane buffering block Download PDFInfo
- Publication number
- CN107337917A CN107337917A CN201710628793.5A CN201710628793A CN107337917A CN 107337917 A CN107337917 A CN 107337917A CN 201710628793 A CN201710628793 A CN 201710628793A CN 107337917 A CN107337917 A CN 107337917A
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- polyurethane
- raw material
- buffering block
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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
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- 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)
Abstract
The present invention relates to technical field of polymer materials, and in particular to a kind of polyurethane buffering block.This kind of polyurethane buffering block, is made up of the raw material below according to parts by weight:50 ~ 70 parts of modified polyurethane, 20 ~ 35 parts of spandex, 10 ~ 25 parts of bamboo fibre, 8 ~ 16 parts of carbon fiber, 3 ~ 11 parts of carbon black, 1 ~ 8 part of nano-aluminium oxide, smart 1 ~ 5 part of steel sand, 2 ~ 9 parts of polytetrafluoroethylene (PTFE), 5 ~ 12 parts of molybdenum disulfide, 1 ~ 7 part of 3 ~ 10 parts of acrylic acid, 5 ~ 10 parts of maleic anhydride grafted ethene butylene copolymer and stabilizer.This kind of polyurethane buffering block has well heat-resisting, oil resistant, anti-wear performance, and intensity is high, and production cost is low, service life length, suitable for industrialized production.
Description
Technical field
The present invention relates to technical field of polymer materials, and in particular to a kind of polyurethane buffering block.
Background technology
Damper is widely used as a kind of important damper element in various types of automobiles.Damping
Device can effectively reduce, absorb the vibrations of road surface transmission, and for polyurethane buffering block as significant components in damper, it uses the longevity
Life directly determines the service life of damper.However, the service life of existing polyurethane buffering block is shorter, can not meet to make
Use demand.
The content of the invention
In order to solve the problems, such as to be mentioned in above-mentioned background, present invention aims at provide a kind of polyurethane buffering block.
To achieve the above object, the present invention provides following technical scheme:
A kind of polyurethane buffering block, is made up of the raw material below according to parts by weight:50 ~ 70 parts of modified polyurethane, spandex 20 ~ 35
Part, 10 ~ 25 parts of bamboo fibre, 8 ~ 16 parts of carbon fiber, 3 ~ 11 parts of carbon black, 1 ~ 8 part of nano-aluminium oxide, smart 1 ~ 5 part of steel sand, poly- four
2 ~ 9 parts of PVF, 5 ~ 12 parts of molybdenum disulfide, 3 ~ 10 parts of acrylic acid, 5 ~ 10 parts of maleic anhydride grafted ethene-butylene copolymer and steady
Determine 1 ~ 7 part of agent.
As the further scheme of the present invention:The polyurethane buffering block is made up of the raw material below according to parts by weight:
53 ~ 66 parts of modified polyurethane, 24 ~ 30 parts of spandex, 12 ~ 20 parts of bamboo fibre, 10 ~ 15 parts of carbon fiber, 5 ~ 10 parts of carbon black, the oxygen of nanometer three
Change 2 ~ 6 parts of two aluminium, smart 2 ~ 4 parts of steel sand, 3 ~ 7 parts of polytetrafluoroethylene (PTFE), 7 ~ 10 parts of molybdenum disulfide, 5 ~ 8 parts of acrylic acid, maleic anhydride connects
2 ~ 6 parts of 6 ~ 9 parts of branch ethylene-butene copolymer and stabilizer.
As the further scheme of the present invention:The polyurethane buffering block is made up of the raw material below according to parts by weight:
60 parts of modified polyurethane, 25 parts of spandex, 15 parts of bamboo fibre, 12 parts of carbon fiber, 8 parts of carbon black, 5 parts of nano-aluminium oxide, smart steel
3 parts of sand, 6 parts of polytetrafluoroethylene (PTFE), 9 parts of molybdenum disulfide, 6 parts of acrylic acid, 8 parts of maleic anhydride grafted ethene-butylene copolymer and steady
Determine 5 parts of agent.
As the further scheme of the present invention:The modified polyurethane of the polyurethane buffering block is by below according to parts by weight
Raw material composition:1 ~ 7 part of 60 ~ 70 parts of polyurethane, 20 ~ 30 parts of polysulfone resin, 8 ~ 16 parts of polyarylsulfone (PAS) and silane coupler.
As the further scheme of the present invention:The modified polyurethane of the polyurethane buffering block is by below according to parts by weight
Raw material composition:5 parts of 65 parts of polyurethane, 25 parts of polysulfone resin, 10 parts of polyarylsulfone (PAS) and silane coupler.
As the further scheme of the present invention:The preparation method of the modified polyurethane of the polyurethane buffering block includes following
Step:
1)Dispensing is carried out according to raw material composition and its parts by weight proportioning;
2)Polyurethane and polysulfone resin are added in mixer and stirred, obtains mixture A;
3)Polyarylsulfone (PAS) is heated to 300 DEG C, it is become molten state, pours into mixer, while silane coupler is added and stirred
3 ~ 5min of stirring in machine is mixed, is stood, is slowly cooled to room temperature and produces.
The polyurethane buffering block of the present invention is by the polyarylsulfone (PAS) of molten state and silane coupler by polyurethane and polysulfone resin
Gluing is together so that the characteristics exhibit that polysulfone resin is heat-resisting, oil resistant, intensity are high causes poly- on polyurethane buffering block
Urethane possesses excellent anti-wear performance.In addition, the polyurethane buffering block raw material of the present invention is cheap and easy to get, production cost is low, uses
Long lifespan, suitable for industrialized production.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of polyurethane buffering block, it is made up of the raw material below according to parts by weight:Modified polyurethane 60
Part, 25 parts of spandex, 15 parts of bamboo fibre, 12 parts of carbon fiber, 8 parts of carbon black, 5 parts of nano-aluminium oxide, smart 3 parts of steel sand, polytetrafluoro
5 parts of 6 parts of ethene, 9 parts of molybdenum disulfide, 6 parts of acrylic acid, 8 parts of maleic anhydride grafted ethene-butylene copolymer and stabilizer.
The modified polyurethane of polyurethane buffering block is made up of the raw material below according to parts by weight:65 parts of polyurethane, polysulfones
5 parts of 25 parts of resin, 10 parts of polyarylsulfone (PAS) and silane coupler.
The preparation method of the modified polyurethane of polyurethane buffering block comprises the following steps:
1)Dispensing is carried out according to raw material composition and its parts by weight proportioning;
2)Polyurethane and polysulfone resin are added in mixer and stirred, obtains mixture A;
3)Polyarylsulfone (PAS) is heated to 300 DEG C, it is become molten state, pours into mixer, while silane coupler is added and stirred
Mix and 5min is stirred in machine, stand, be slowly cooled to room temperature and produce.
Comparative example 1
It is with the formula difference of embodiment 1, modified polyurethane is not added with comparative example 1, adds polyurethane, remaining raw material
It is identical.
Formula according to embodiment 1, comparative example 1 makes polyurethane buffering block, and control group makes polyurethane using polyurethane
Buffer stopper, and testing standard part is processed into respectively, anti-dynamic fatigue property test is carried out according to national standard GB/T15584-1995, is examined
It is as shown in table 1 to survey result:
The testing result of table 1
Group | Embodiment 1 | Comparative example 1 | Control group |
Tensile strength/MPa | 4.5 | 3.6 | 3.1 |
Preload force/N | 5100 | 5100 | 5100 |
Timeliness number/ten thousand time | 220 | 185 | 168 |
Failure load/N | 4900 | 4500 | 4100 |
Oil resistivity(Expansion rate after oil immersion bubble)Detected according to the standards of ASTM D 471, unit %;
Heat resistance(Heat ageing coefficient)Detected according to national standard GB-T 3512-2001, unit %;
Testing result is as shown in table 2:
The testing result of table 2
Group | Embodiment 1 | Comparative example 1 | Control group |
Oil resistivity | 4.8 | 5.7 | 6.2 |
Heat resistance | 0.54 | 0.68 | 0.75 |
Can be seen that by Tables 1 and 2 data can effectively improve the intensity, wear-resisting of polyurethane buffering block using modified polyurethane
Property, heat resistance and oil resistivity, extend its service life.
Embodiment 2
In the embodiment of the present invention, a kind of polyurethane buffering block, it is made up of the raw material below according to parts by weight:Modified polyurethane 70
Part, 35 parts of spandex, 25 parts of bamboo fibre, 16 parts of carbon fiber, 11 parts of carbon black, 8 parts of nano-aluminium oxide, smart 5 parts of steel sand, polytetrafluoro
7 parts of 9 parts of ethene, 12 parts of molybdenum disulfide, 10 parts of acrylic acid, 10 parts of maleic anhydride grafted ethene-butylene copolymer and stabilizer.
The modified polyurethane of polyurethane buffering block is made up of the raw material below according to parts by weight:65 parts of polyurethane, polysulfones
5 parts of 25 parts of resin, 10 parts of polyarylsulfone (PAS) and silane coupler.
The preparation method of the modified polyurethane of polyurethane buffering block comprises the following steps:
1)Dispensing is carried out according to raw material composition and its parts by weight proportioning;
2)Polyurethane and polysulfone resin are added in mixer and stirred, obtains mixture A;
3)Polyarylsulfone (PAS) is heated to 300 DEG C, it is become molten state, pours into mixer, while silane coupler is added and stirred
Mix and 5min is stirred in machine, stand, be slowly cooled to room temperature and produce.
Embodiment 3
In the embodiment of the present invention, a kind of polyurethane buffering block, it is made up of the raw material below according to parts by weight:Modified polyurethane 50
Part, 20 parts of spandex, 10 parts of bamboo fibre, 8 parts of carbon fiber, 3 parts of carbon black, 1 part of nano-aluminium oxide, smart 1 part of steel sand, polytetrafluoroethyl-ne
1 part of 2 parts of alkene, 5 parts of molybdenum disulfide, 3 parts of acrylic acid, 5 parts of maleic anhydride grafted ethene-butylene copolymer and stabilizer.
The modified polyurethane of polyurethane buffering block is made up of the raw material below according to parts by weight:65 parts of polyurethane, polysulfones
5 parts of 25 parts of resin, 10 parts of polyarylsulfone (PAS) and silane coupler.
The preparation method of the modified polyurethane of polyurethane buffering block comprises the following steps:
1)Dispensing is carried out according to raw material composition and its parts by weight proportioning;
2)Polyurethane and polysulfone resin are added in mixer and stirred, obtains mixture A;
3)Polyarylsulfone (PAS) is heated to 300 DEG C, it is become molten state, pours into mixer, while silane coupler is added and stirred
Mix and 5min is stirred in machine, stand, be slowly cooled to room temperature and produce.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
1. a kind of polyurethane buffering block, it is characterised in that be made up of the raw material below according to parts by weight:Modified polyurethane 50 ~
70 parts, 20 ~ 35 parts of spandex, 10 ~ 25 parts of bamboo fibre, 8 ~ 16 parts of carbon fiber, 3 ~ 11 parts of carbon black, 1 ~ 8 part of nano-aluminium oxide, essence
1 ~ 5 part of steel sand, 2 ~ 9 parts of polytetrafluoroethylene (PTFE), 5 ~ 12 parts of molybdenum disulfide, 3 ~ 10 parts of acrylic acid, maleic anhydride grafted ethene-butylene is common
1 ~ 7 part of 5 ~ 10 parts of polymers and stabilizer.
2. polyurethane buffering block according to claim 1, it is characterised in that by below according to the raw material group of parts by weight
Into:53 ~ 66 parts of modified polyurethane, 24 ~ 30 parts of spandex, 12 ~ 20 parts of bamboo fibre, 10 ~ 15 parts of carbon fiber, 5 ~ 10 parts of carbon black, nanometer
2 ~ 6 parts of alundum (Al2O3), smart 2 ~ 4 parts of steel sand, 3 ~ 7 parts of polytetrafluoroethylene (PTFE), 7 ~ 10 parts of molybdenum disulfide, 5 ~ 8 parts of acrylic acid, maleic acid
2 ~ 6 parts of acid anhydride grafted ethene -6 ~ 9 parts of butylene copolymer and stabilizer.
3. polyurethane buffering block according to claim 1, it is characterised in that by below according to the raw material group of parts by weight
Into:60 parts of modified polyurethane, 25 parts of spandex, 15 parts of bamboo fibre, 12 parts of carbon fiber, 8 parts of carbon black, 5 parts of nano-aluminium oxide, essence
3 parts of steel sand, 6 parts of polytetrafluoroethylene (PTFE), 9 parts of molybdenum disulfide, 6 parts of acrylic acid, 8 parts of maleic anhydride grafted ethene-butylene copolymer and
5 parts of stabilizer.
4. according to any described polyurethane buffering blocks of claim 1-3, it is characterised in that modified polyurethane is by below according to weight
Measure the raw material composition of number:1 ~ 7 part of 60 ~ 70 parts of polyurethane, 20 ~ 30 parts of polysulfone resin, 8 ~ 16 parts of polyarylsulfone (PAS) and silane coupler.
5. polyurethane buffering block according to claim 4, it is characterised in that modified polyurethane is by below according to parts by weight
Raw material composition:5 parts of 65 parts of polyurethane, 25 parts of polysulfone resin, 10 parts of polyarylsulfone (PAS) and silane coupler.
6. according to any described polyurethane buffering blocks of claim 1-3, it is characterised in that the preparation method bag of modified polyurethane
Include following steps:
1)Dispensing is carried out according to raw material composition and its parts by weight proportioning;
2)Polyurethane and polysulfone resin are added in mixer and stirred, obtains mixture A;
3)Polyarylsulfone (PAS) is heated to 300 DEG C, it is become molten state, pours into mixer, while silane coupler is added and stirred
3 ~ 5min of stirring in machine is mixed, is stood, is slowly cooled to room temperature and produces.
Priority Applications (1)
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CN201710628793.5A CN107337917A (en) | 2017-07-28 | 2017-07-28 | A kind of polyurethane buffering block |
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CN201710628793.5A CN107337917A (en) | 2017-07-28 | 2017-07-28 | A kind of polyurethane buffering block |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112341790A (en) * | 2020-09-16 | 2021-02-09 | 常州工程职业技术学院 | Multilayer damping fin for waste rubber powder vehicle and preparation method thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1054779A (en) * | 1990-03-08 | 1991-09-25 | B.F.谷德里奇公司 | Fibre-reinforced thermoplastic molding compoistions |
CN102660113A (en) * | 2012-04-11 | 2012-09-12 | 黎明化工研究院 | Thermoplastic cellular polyurethane elastomer and preparation method thereof |
CN103087463A (en) * | 2013-01-28 | 2013-05-08 | 奇瑞汽车股份有限公司 | Light composite material |
CN104164078A (en) * | 2014-07-16 | 2014-11-26 | 宁国中辰密封件有限公司 | Car engine buffer block |
-
2017
- 2017-07-28 CN CN201710628793.5A patent/CN107337917A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1054779A (en) * | 1990-03-08 | 1991-09-25 | B.F.谷德里奇公司 | Fibre-reinforced thermoplastic molding compoistions |
CN102660113A (en) * | 2012-04-11 | 2012-09-12 | 黎明化工研究院 | Thermoplastic cellular polyurethane elastomer and preparation method thereof |
CN103087463A (en) * | 2013-01-28 | 2013-05-08 | 奇瑞汽车股份有限公司 | Light composite material |
CN104164078A (en) * | 2014-07-16 | 2014-11-26 | 宁国中辰密封件有限公司 | Car engine buffer block |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112341790A (en) * | 2020-09-16 | 2021-02-09 | 常州工程职业技术学院 | Multilayer damping fin for waste rubber powder vehicle and preparation method thereof |
CN112341790B (en) * | 2020-09-16 | 2022-04-01 | 常州工程职业技术学院 | Multilayer damping fin for waste rubber powder vehicle and preparation method thereof |
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