CN106987058A - A kind of compressor air-breathing bellows and its processing method - Google Patents
A kind of compressor air-breathing bellows and its processing method Download PDFInfo
- Publication number
- CN106987058A CN106987058A CN201710203256.6A CN201710203256A CN106987058A CN 106987058 A CN106987058 A CN 106987058A CN 201710203256 A CN201710203256 A CN 201710203256A CN 106987058 A CN106987058 A CN 106987058A
- Authority
- CN
- China
- Prior art keywords
- parts
- carbon black
- compressor air
- activator
- breathing bellows
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- 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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- 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
Landscapes
- 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 invention discloses a kind of compressor air-breathing bellows, it is composed of the following components in parts by weight：70~80 parts of ethylene propylene diene rubber, 20~30 parts of butyl rubber, 4~8 parts of activator, 2~4 parts of age resistor, 20~30 parts of carbon black, 12~16 parts of vulcanizing agent, 4~6 parts of plasticizer, 6~10 parts of nano zine oxide, 2~4 parts of coupling agent, 4~6 parts of zinc methacrylate, 5~8 parts of coumarone indene resin, 6~12 parts of clay, add coupling agent, nano zine oxide and zinc methacrylate, make inorganic filler uniform in rubber inner dispersion, elastomeric material is possessed good damping, weatherability and endurance quality；Coumarone indene resin can improve the mechanical and physical performance and ageing-resistant performance of sizing material, can dissolution of sulphur, contribute to the scattered of sulphur and carbon black, prevent incipient scorch, superior product quality.The bellows of the present invention has good high- and low-temperature resistance performance, weatherability, sealing and mechanical property, and anti-seismic performance is superior, and sound-absorbing effect is good, and service life is long.
Description
Technical field
The present invention relates to rubber bellows manufacture technology field, specifically a kind of compressor air-breathing bellows and its processing
Method.
Background technology
Bellows refers to the tubular elastomeric sensing element connected into foldable wrinkle piece along folding retractable direction.Bellows
Mainly include metal bellows, it is applied to the effect such as compensation pipes thermal deformation, damping, absorption line sedimentation and deformation, extensively should
For industries such as petrochemical industry, instrument, space flight, chemical industry, electric power, cement, metallurgy.But it is the sealing due to metal tube, resistance to acids and bases, resistance to
The limitation of time property etc. so that the bellows of non-metallic material has not in the field such as medium conveying, electric power threading, lathe, household electrical appliances
Alternative effect.
Bellows in existing compressor is typically mounted at suction side, for connecting housing copper pipe and air suction silencer, its
Effect is that the gases such as the refrigerant sucked from housing copper pipe are passed into air suction silencer.The elastic demand of bellows is rationally set
Meter, one is to ensure to be tightly connected well with housing copper pipe and air suction silencer two ends, and two be that movement vibrates when reducing to operation
Harmful effect, three be that the compression of ripple needs to meet reliability design.But it is the sealing of existing compressor bellows, resistance to old
The property changed, resistance to acids and bases, heat resistance, cold tolerance are poor, greatly reduce service life；And the anti-seismic performance of traditional bellows
It is weaker, do not possess good sound-absorbing effect.
The content of the invention
There is good high and low temperature resistance, weatherability, sealing and mechanical property it is an object of the invention to provide one kind
Can, anti-seismic performance is superior, and sound-absorbing effect is good, compressor air-breathing bellows and its processing method of service life length, to solve
The problem of being proposed in above-mentioned background technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of compressor air-breathing bellows, is composed of the following components in parts by weight：70~80 parts of ethylene propylene diene rubber, fourth
20~30 parts of base rubber, 4~8 parts of activator, 2~4 parts of age resistor, 20~30 parts of carbon black, 12~16 parts of vulcanizing agent, plasticizer 4
~6 parts, 6~10 parts of nano zine oxide, 2~4 parts of coupling agent, 4~6 parts of zinc methacrylate, 5~8 parts of coumarone indene resin, clay
6~12 parts.
It is used as further scheme of the invention：The activator is one kind or several in prodan, ammonium sulfate, ammonium chloride
Kind, carbon black uses high wear-resistant carbon black N550, and plasticizer uses DCHP plasticizer.
It is used as further scheme of the invention：Compressor is composed of the following components in parts by weight with air-breathing bellows：Ternary
70 parts of EP rubbers, 20 parts of butyl rubber, 4 parts of activator, 2 parts of age resistor, 20 parts of carbon black, 12 parts of vulcanizing agent, 4 parts of plasticizer,
10 parts of nano zine oxide, 4 parts of coupling agent, 6 parts of zinc methacrylate, 8 parts of coumarone indene resin, 12 parts of clay.
It is used as further scheme of the invention：Compressor is composed of the following components in parts by weight with air-breathing bellows：Ternary
80 parts of EP rubbers, 30 parts of butyl rubber, 8 parts of activator, 4 parts of age resistor, 30 parts of carbon black, 16 parts of vulcanizing agent, 6 parts of plasticizer,
6 parts of nano zine oxide, 2 parts of coupling agent, 4 parts of zinc methacrylate, 5 parts of coumarone indene resin, 6 parts of clay.
It is used as further scheme of the invention：Compressor is composed of the following components in parts by weight with air-breathing bellows：Ternary
75 parts of EP rubbers, 25 parts of butyl rubber, 6 parts of activator, 3 parts of age resistor, 25 parts of carbon black, 14 parts of vulcanizing agent, 5 parts of plasticizer,
8 parts of nano zine oxide, 3 parts of coupling agent, 5 parts of zinc methacrylate, 6 parts of coumarone indene resin, 8 parts of clay.
A kind of processing method of compressor air-breathing bellows, preparation method step is as follows：
1) ethylene propylene diene rubber, butyl rubber feed particles and activator are added in banbury, kneaded, batch mixing
Temperature is 100~110 DEG C, and mixing time is 20~30min；
2) age resistor, carbon black, plasticizer and coupling agent are added in the rubber kneaded into banbury, is carried out secondary mixed
Refining, mixture temperature is 110~120 DEG C, and mixing time is 15~20min；
3) sizing material after banburying is transferred in mill, adds nano zine oxide, zinc methacrylate and coumarone tree
Fat, thin to open up refining 2~3 times, roll spacing is 2.5~4.2mm, and mixing temperature is 90~100 DEG C；
4) refining glue after discharging is put into the mould of vulcanizer, adds vulcanizing agent and clay, carry out vulcanizing treatment, vulcanization
Temperature is 120~130 DEG C, and sulfide stress is 10~12MPa, and cure time is 10~15min, after vulcanization terminates, is cooled to room
Temperature, the demoulding obtains corrugated pipe products.
It is used as further scheme of the invention：The step 1) in mixture temperature be 108 DEG C, mixing time is 25min.
It is used as further scheme of the invention：The step 2) in mixture temperature be 115 DEG C, mixing time is 18min.
It is used as further scheme of the invention：The step 3) in mixing temperature be 96 DEG C.
It is used as further scheme of the invention：The step 4) in curing temperature be 128 DEG C, sulfide stress is 12MPa,
Cure time is 15min.
Compared with prior art, the beneficial effects of the invention are as follows：With resistance to oxidation, ozone-resistant and erosion-resistant ethylene-propylene-diene monomer
Glue is main body, coordinates the butyl rubber for possessing good sound insulation damping effect, adds carbon black, age resistor and activator so that ripple
Pipe not only possesses good tensile strength and tearing strength, also with good sealing property, ageing-resistant performance, resistance to acids and bases, heat-resisting
Performance and cold tolerance；Coupling agent, nano zine oxide and zinc methacrylate are added, makes inorganic filler equal in rubber inner dispersion
It is even, extremely strong cohesiveness is formd, elastomeric material is possessed good damping, weatherability and endurance quality；Coumarone indene resin energy
Improve the mechanical and physical performance and ageing-resistant performance of sizing material, can dissolution of sulphur, contribute to the scattered of sulphur and carbon black, prevent Jiao
Burn, superior product quality；China clay material causes rubber bellows to reach low dynamic multiplying power, highly attenuatingization, possesses excellent dynamic property.
The bellows of the present invention has good high and low temperature resistance, weatherability, sealing and mechanical property, and anti-seismic performance is superior,
Sound-absorbing effect is good, and service life is long.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
In the embodiment of the present invention 1, a kind of compressor is composed of the following components in parts by weight with air-breathing bellows：EPDM
70 parts of rubber, 20 parts of butyl rubber, 4 parts of activator, 2 parts of age resistor, 20 parts of carbon black, 12 parts of vulcanizing agent, plasticizer 4 part, nanometer
10 parts of zinc oxide, 4 parts of coupling agent, 6 parts of zinc methacrylate, 8 parts of coumarone indene resin, 12 parts of clay.
A kind of processing method of compressor air-breathing bellows, preparation method step is as follows：
1) ethylene propylene diene rubber, butyl rubber feed particles and activator are added in banbury, kneaded, batch mixing
Temperature is 100 DEG C, and mixing time is 30min；
2) age resistor, carbon black, plasticizer and coupling agent are added in the rubber kneaded into banbury, is carried out secondary mixed
Refining, mixture temperature is 110 DEG C, and mixing time is 20min；
3) sizing material after banburying is transferred in mill, adds nano zine oxide, zinc methacrylate and coumarone tree
Fat, thin to open up refining 2~3 times, roll spacing is 2.5~4.2mm, and mixing temperature is 90 DEG C；
4) refining glue after discharging is put into the mould of vulcanizer, adds vulcanizing agent and clay, carry out vulcanizing treatment, vulcanization
Temperature is 120 DEG C, and sulfide stress is 12MPa, and cure time is 15min, after vulcanization terminates, and is cooled to room temperature, and the demoulding obtains ripple
Line pipe product.
Through overtesting, the hardness of the corrugated pipe products is 71, and tensile strength is 20.11MPa, and elongation at break is
Compression set under the conditions of 435.34%, product dynamic stiffness 526.73N/mm, 100 DEG C × 24h × 25% is 15.6%.Ripple
Line pipe product has good high- and low-temperature resistance performance, weatherability, sealing and mechanical property, and anti-seismic performance is superior, uses the longevity
Life length.
In the embodiment of the present invention 2, a kind of compressor is composed of the following components in parts by weight with air-breathing bellows：EPDM
80 parts of rubber, 30 parts of butyl rubber, 8 parts of activator, 4 parts of age resistor, 30 parts of carbon black, 16 parts of vulcanizing agent, plasticizer 6 part, nanometer
6 parts of zinc oxide, 2 parts of coupling agent, 4 parts of zinc methacrylate, 5 parts of coumarone indene resin, 6 parts of clay.
A kind of processing method of compressor air-breathing bellows, preparation method step is as follows：
1) ethylene propylene diene rubber, butyl rubber feed particles and activator are added in banbury, kneaded, batch mixing
Temperature is 110 DEG C, and mixing time is 20min；
2) age resistor, carbon black, plasticizer and coupling agent are added in the rubber kneaded into banbury, is carried out secondary mixed
Refining, mixture temperature is 120 DEG C, and mixing time is 15min；
3) sizing material after banburying is transferred in mill, adds nano zine oxide, zinc methacrylate and coumarone tree
Fat, thin to open up refining 2~3 times, roll spacing is 2.5~4.2mm, and mixing temperature is 100 DEG C；
4) refining glue after discharging is put into the mould of vulcanizer, adds vulcanizing agent and clay, carry out vulcanizing treatment, vulcanization
Temperature is 130 DEG C, and sulfide stress is 10MPa, and cure time is 10min, after vulcanization terminates, and is cooled to room temperature, and the demoulding obtains ripple
Line pipe product.
Through overtesting, the hardness of the corrugated pipe products is 69, and tensile strength is 21.13MPa, and elongation at break is
Compression set under the conditions of 434.31%, product dynamic stiffness 532.37N/mm, 100 DEG C × 24h × 25% is 15.2%.Ripple
Line pipe product has good high- and low-temperature resistance performance, weatherability, sealing and mechanical property, and anti-seismic performance is superior, uses the longevity
Life length.
In the embodiment of the present invention 3, a kind of compressor is composed of the following components in parts by weight with air-breathing bellows：EPDM
75 parts of rubber, 25 parts of butyl rubber, 6 parts of activator, 3 parts of age resistor, 25 parts of carbon black, 14 parts of vulcanizing agent, plasticizer 5 part, nanometer
8 parts of zinc oxide, 3 parts of coupling agent, 5 parts of zinc methacrylate, 6 parts of coumarone indene resin, 8 parts of clay.
A kind of processing method of compressor air-breathing bellows, preparation method step is as follows：
1) ethylene propylene diene rubber, butyl rubber feed particles and activator are added in banbury, kneaded, batch mixing
Temperature is 108 DEG C, and mixing time is 25min；
2) age resistor, carbon black, plasticizer and coupling agent are added in the rubber kneaded into banbury, is carried out secondary mixed
Refining, mixture temperature is 115 DEG C, and mixing time is 18min；
3) sizing material after banburying is transferred in mill, adds nano zine oxide, zinc methacrylate and coumarone tree
Fat, thin to open up refining 2~3 times, roll spacing is 2.5~4.2mm, and mixing temperature is 96 DEG C；
4) refining glue after discharging is put into the mould of vulcanizer, adds vulcanizing agent and clay, carry out vulcanizing treatment, vulcanization
Temperature is 128 DEG C, and sulfide stress is 12MPa, and cure time is 15min, after vulcanization terminates, and is cooled to room temperature, and the demoulding obtains ripple
Line pipe product.
Through overtesting, the hardness of the corrugated pipe products is 72, and tensile strength is 22.13MPa, and elongation at break is
Compression set under the conditions of 435.47%, product dynamic stiffness 542.28N/mm, 100 DEG C × 24h × 25% is 16.2%.Ripple
Line pipe product has good high- and low-temperature resistance performance, weatherability, sealing and mechanical property, and anti-seismic performance is superior, uses the longevity
Life length.
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 is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Claims (10)
1. a kind of compressor air-breathing bellows, it is characterised in that be composed of the following components in parts by weight：Ethylene propylene diene rubber 70
~80 parts, 20~30 parts of butyl rubber, 4~8 parts of activator, 2~4 parts of age resistor, 20~30 parts of carbon black, vulcanizing agent 12~16
Part, 4~6 parts of plasticizer, 6~10 parts of nano zine oxide, 2~4 parts of coupling agent, 4~6 parts of zinc methacrylate, coumarone indene resin 5
~8 parts, 6~12 parts of clay.
2. a kind of compressor air-breathing bellows according to claim 1, it is characterised in that the activator is fluosilicic acid
One or more in sodium, ammonium sulfate, ammonium chloride, carbon black uses high wear-resistant carbon black N550, and plasticizer uses DCHP plasticizer.
3. a kind of compressor air-breathing bellows according to claim 1, it is characterised in that by the composition of following parts by weight
Composition：70 parts of ethylene propylene diene rubber, 20 parts of butyl rubber, 4 parts of activator, 2 parts of age resistor, 20 parts of carbon black, 12 parts of vulcanizing agent, increasing
Mould 4 parts of agent, 10 parts of nano zine oxide, 4 parts of coupling agent, 6 parts of zinc methacrylate, 8 parts of coumarone indene resin, 12 parts of clay.
4. a kind of compressor air-breathing bellows according to claim 1, it is characterised in that by the composition of following parts by weight
Composition：80 parts of ethylene propylene diene rubber, 30 parts of butyl rubber, 8 parts of activator, 4 parts of age resistor, 30 parts of carbon black, 16 parts of vulcanizing agent, increasing
Mould 6 parts of agent, 6 parts of nano zine oxide, 2 parts of coupling agent, 4 parts of zinc methacrylate, 5 parts of coumarone indene resin, 6 parts of clay.
5. a kind of compressor air-breathing bellows according to claim 1, it is characterised in that by the composition of following parts by weight
Composition：75 parts of ethylene propylene diene rubber, 25 parts of butyl rubber, 6 parts of activator, 3 parts of age resistor, 25 parts of carbon black, 14 parts of vulcanizing agent, increasing
Mould 5 parts of agent, 8 parts of nano zine oxide, 3 parts of coupling agent, 5 parts of zinc methacrylate, 6 parts of coumarone indene resin, 8 parts of clay.
6. a kind of compressor processing method of air-breathing bellows, it is characterised in that preparation method step is as follows：
1) ethylene propylene diene rubber, butyl rubber feed particles and activator are added in banbury, kneaded, mixture temperature
For 100~110 DEG C, mixing time is 20~30min；
2) age resistor, carbon black, plasticizer and coupling agent are added in the rubber kneaded into banbury, secondary mixing is carried out, mixed
Material temperature degree is 110~120 DEG C, and mixing time is 15~20min；
3) sizing material after banburying is transferred in mill, adds nano zine oxide, zinc methacrylate and coumarone indene resin, it is thin
Refining 2~3 times is opened up, roll spacing is 2.5~4.2mm, and mixing temperature is 90~100 DEG C；
4) refining glue after discharging is put into the mould of vulcanizer, adds vulcanizing agent and clay, carry out vulcanizing treatment, curing temperature
For 120~130 DEG C, sulfide stress is 10~12MPa, and cure time is 10~15min, after vulcanization terminates, is cooled to room temperature, takes off
Mould obtains corrugated pipe products.
7. a kind of processing method of compressor air-breathing bellows according to claim 1, it is characterised in that the step
1) mixture temperature in is 108 DEG C, and mixing time is 25min.
8. a kind of processing method of compressor air-breathing bellows according to claim 1, it is characterised in that the step
2) mixture temperature in is 115 DEG C, and mixing time is 18min.
9. a kind of processing method of compressor air-breathing bellows according to claim 1, it is characterised in that the step
3) mixing temperature in is 96 DEG C.
10. a kind of processing method of compressor air-breathing bellows according to claim 1, it is characterised in that the step
It is rapid 4) in curing temperature be 128 DEG C, sulfide stress is 12MPa, and cure time is 15min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710203256.6A CN106987058A (en) | 2017-03-30 | 2017-03-30 | A kind of compressor air-breathing bellows and its processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710203256.6A CN106987058A (en) | 2017-03-30 | 2017-03-30 | A kind of compressor air-breathing bellows and its processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106987058A true CN106987058A (en) | 2017-07-28 |
Family
ID=59412472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710203256.6A Pending CN106987058A (en) | 2017-03-30 | 2017-03-30 | A kind of compressor air-breathing bellows and its processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106987058A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108164836A (en) * | 2017-11-27 | 2018-06-15 | 安徽华星电缆集团有限公司 | A kind of fireproof cable heat-resisting material |
| CN109851926A (en) * | 2018-12-28 | 2019-06-07 | 宁国绿谷新材料有限公司 | A kind of production method and product encrypting gunslinging pad |
| CN113462088A (en) * | 2021-08-04 | 2021-10-01 | 深圳市奥科杰环保材料科技有限公司 | Sound absorption and noise reduction type composite rubber and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1957191A (en) * | 2004-03-31 | 2007-05-02 | 盖茨公司 | Rubber composition and vibration damper using the rubber composition |
| CN106147038A (en) * | 2015-04-28 | 2016-11-23 | 安徽华润仪表线缆有限公司 | A kind of ethylene propylene diene rubber corrugated tube material and preparation method thereof |
-
2017
- 2017-03-30 CN CN201710203256.6A patent/CN106987058A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1957191A (en) * | 2004-03-31 | 2007-05-02 | 盖茨公司 | Rubber composition and vibration damper using the rubber composition |
| CN106147038A (en) * | 2015-04-28 | 2016-11-23 | 安徽华润仪表线缆有限公司 | A kind of ethylene propylene diene rubber corrugated tube material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 吴波: "《让低碳减排深入我们的生活》", 31 March 2013, 中国出版集团现代出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108164836A (en) * | 2017-11-27 | 2018-06-15 | 安徽华星电缆集团有限公司 | A kind of fireproof cable heat-resisting material |
| CN109851926A (en) * | 2018-12-28 | 2019-06-07 | 宁国绿谷新材料有限公司 | A kind of production method and product encrypting gunslinging pad |
| CN113462088A (en) * | 2021-08-04 | 2021-10-01 | 深圳市奥科杰环保材料科技有限公司 | Sound absorption and noise reduction type composite rubber and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107189236B (en) | Sulfur-vulcanized ethylene propylene diene monomer composition with heat aging resistance and low pressure change, preparation method, application and application product thereof | |
| CN102212233B (en) | R134a refrigerant-resistant rubber material and preparation method thereof | |
| JP5747015B2 (en) | Sidewall rubber composition and pneumatic tire | |
| CN106987058A (en) | A kind of compressor air-breathing bellows and its processing method | |
| JPWO2008123405A1 (en) | Nitrile copolymer rubber composition and nitrile copolymer latex composition | |
| CN108641150B (en) | Rubber material capable of being repeatedly processed and preparation method thereof | |
| CN107474403B (en) | Composite rubber tube inner and outer rubber material and preparation method and application thereof | |
| CN103435919A (en) | REPDM/RIIR/POE (reclaimed ethylene propylene diene monomer/reclaimed isobutylene-isoprene rubber/polyolefin elastomer) and preparation method thereof | |
| JPWO2018008474A1 (en) | Acrylic rubber composition | |
| CN112321952B (en) | Ethylene propylene diene monomer composite rubber material and preparation method thereof | |
| CN104976446A (en) | Heat-resistant and oil-resistant rubber hose | |
| CN105400088A (en) | Ethylene-propylene-diene monomer and chloroprene rubber co-vulcanization material and preparation method therefor | |
| JP5101907B2 (en) | Rubber composition for covering steel cord and tire using the same | |
| CN109608718A (en) | A kind of high-strength ageing wire braided hose NBR rubber compound and preparation method thereof | |
| CN105237894A (en) | Formula of ethylene propylene diene monomer rubber for rubber layer in rubber tube of air conditioner | |
| CN105199164B (en) | Automobile vacuum booster rubbery membrana dermalis | |
| CN102766295A (en) | Clean air tube and preparation method thereof | |
| CN102875906A (en) | Ethylene-propylene-diene monomer composition with limiting temperature of 175 DEG C for vehicle rubber pipe | |
| JPH02308841A (en) | Fluororubber composition | |
| CN103450568A (en) | Recycled ethylene propylene diene monomer/reclaimed isobutylene-isoprene rubber (REPDM/RIIR) elastomer and preparation method thereof | |
| CN107522959A (en) | A kind of fuel rubber pipe and preparation method thereof | |
| CN104774409A (en) | High-temperature-resistant rubber tube | |
| CN108976518A (en) | A kind of rubber hose of ozone and aging resistance outer glue material and preparation method thereof | |
| CN108059739A (en) | A kind of preparation method of the environment-friendly rubber of corrosion-and high-temp-resistant | |
| CN103709529B (en) | A kind of RIIR/REPDM elastomer and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170728 |