CN104072886A - Damping buffering rubber material for installing support of small generator - Google Patents
Damping buffering rubber material for installing support of small generator Download PDFInfo
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- CN104072886A CN104072886A CN201410261541.XA CN201410261541A CN104072886A CN 104072886 A CN104072886 A CN 104072886A CN 201410261541 A CN201410261541 A CN 201410261541A CN 104072886 A CN104072886 A CN 104072886A
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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
- 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
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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
- 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The invention discloses a damping buffering rubber material for an installing support of a small generator. The damping buffering rubber material comprises the following raw materials in parts by weight: 40-60 parts of EPDM, 40-60 parts of EVA, 6-10 parts of plasticizer naphthenic oil, 6-8 parts of active agent magnesium oxide, 2.5-3 parts of anti-aging agent DNP, 70-80 parts of carbon black N550, 15-20 parts of barite, 1-3 parts of bonding agent RE, 1-3 parts of bonding agent RA and 2.5-3 parts of vulcanization system, wherein the vulcanization system consists the following components in percentage by weight: 50-60% of vulcanizing agent DTDM, 10-20% of TMTD and 20-30% of TETD. The damping buffering rubber material disclosed by the invention is excellent in thermal aging resistance and wearing resistance, and has a relatively high vibration absorption capability and a damping buffering effect.
Description
Technical field
The present invention relates to damping, buffering elastomeric material technical field, relate in particular to a kind of small generator mounting bracket damping, buffering elastomeric material.
Background technology
Existing miniature gasoline engine generator adopts between generator and the crossbeam of fixed generator, by installing rubber pad additional, form alternator for vehicle power assembly suspension system, the toughness and the elasticity that make full use of rubber are carried out absorbing and reduce noise, obtain good result of use.Currently used rubber pad structurally adopts upper and lower metal splint, and centre is rubber bodies.Due to sizing compound formula and production technique problem, existing supporting pad is in use easy to produce between rubber be full of cracks, rubber bodies and upper and lower metal splint and comes unstuck, and easily damages, and work-ing life is short.Existing supporting pad sizing material is more difficult to meet the user demand of miniature gasoline engine, how to prepare a kind of heat-proof aging, wear resisting property is good, and the generator with higher vibration absorption ability and damping effect becomes the current technical issues that need to address with mounting bracket with elastomeric material.
Summary of the invention
In order to solve the technical problem existing in background technology, the present invention proposes a kind of small generator mounting bracket damping, buffering elastomeric material, there is excellent heat aging property and wear resisting property, and there is higher vibration absorption ability and damping, buffering effect.
A kind of small generator mounting bracket damping, buffering elastomeric material that the present invention proposes, its raw material comprises by weight: EPDM40-60 part, EVA40-60 part, softening agent naphthenic oil 6-10 part, promoting agent magnesium oxide 6-8 part, antioxidant D NP2.5-3 part, carbon black N55070-80 part, barite 15-20 part, tackiness agent RE1-3 part, tackiness agent RA1-3 part, vulcanization system 2.5-3 part, wherein vulcanization system is comprised of 50-60% vulcanizing agent DTDM, 10-20%TMTD and 20-30%TETD by weight percentage, first EPDM and EVA being put into Banbury mixer as base-material plasticates, the time of plasticating is 3-6min, then add the softening agent naphthenic oil 1-4min that mixes, melting temperature is 40-50 ℃, add the promoting agent magnesium oxide 1-2min that mixes, melting temperature is 55-58 ℃, add the vulcanization system 3-4min that mixes, melting temperature is 60-64 ℃, add the antioxidant D NP 1-2min that mixes, melting temperature is 70-73 ℃, add carbon black N550, the barite 1-2min that mixes, melting temperature is 75-78 ℃, add tackiness agent RE, the tackiness agent RA 1-2min that mixes, melting temperature is 80-85 ℃, thin-pass 4-7 time, obtain small generator mounting bracket damping, buffering elastomeric material.
Preferably, EPDM and EVA shared total weight parts in raw material is 100 parts.
Preferably, the weight ratio of described base-material and vulcanization system is 100:2.5.
Preferably, first EPDM and EVA being put into Banbury mixer as base-material plasticates, the time of plasticating is 4min, then add the softening agent naphthenic oil 3min that mixes, melting temperature is 45 ℃, add the promoting agent magnesium oxide 2min that mixes, melting temperature is 56 ℃, add the vulcanization system 4min that mixes, melting temperature is 62 ℃, add the antioxidant D NP 1min that mixes, melting temperature is 72 ℃, add carbon black N550, the barite 1min that mixes, melting temperature is 76 ℃, add tackiness agent RE, the tackiness agent RA 1min that mixes, melting temperature is 80 ℃, thin-pass 45 times, obtain small generator mounting bracket damping, buffering elastomeric material.
In the present invention, heat-resisting and the oil resistance of EPDM/EVA rubber blending glue is better, be applicable to doing automobile shock bolster sizing material material of main part, vulcanizing agent DTDM is in sulfidation, and DTDM can decomposite active sulphur, forms and take two keys as main cross-link bond, thereby make cross-linked rubber there is good heat aging property, using TMTD and TETD as vulcanization accelerator, strengthen the crosslinking degree between EPDM and EVA, further improve the heat aging property of damping, buffering elastomeric material; Add carbon black N550, barite as strengthening agent, improved the wear resistance of damping, buffering elastomeric material, and be aided with tackiness agent RE and tackiness agent RA, carbon black N550, barite and EPDM/EVA rubber blending glue are better mixed, guarantee that it is dispersed, made damping, buffering part has higher vibration absorption ability and damping, buffering effect.
Embodiment
Embodiment 1
A kind of small generator mounting bracket damping, buffering elastomeric material that the present invention proposes, first by weight EPDM40 part, EVA60 part are put into Banbury mixer as base-material and plasticated, the time of plasticating is 3min, then add 10 parts of 1min that mix of softening agent naphthenic oil, melting temperature is 50 ℃, add 6 parts of 2min that mix of promoting agent magnesium oxide, melting temperature is 55 ℃, add 3 parts of 3min that mix of vulcanization system, melting temperature is 64 ℃, and wherein vulcanization system is comprised of 50% vulcanizing agent DTDM, 20%TMTD and 30%TETD by weight percentage; Add antioxidant D NP3 part 1min that mixes, melting temperature is 73 ℃, adding carbon black N55070 part, 20 parts of times of mixing of barite is 1min, melting temperature is 78 ℃, add tackiness agent RE1 part, tackiness agent RA3 part 1min that mixes, melting temperature is 85 ℃, and thin-pass 4 times obtains small generator mounting bracket damping, buffering elastomeric material.
Embodiment 2
A kind of small generator mounting bracket damping, buffering elastomeric material that the present invention proposes, first by weight EPDM60 part, EVA40 part are put into Banbury mixer as base-material and plasticated, the time of plasticating is 6min, then add 6 parts of softening agent naphthenic oils 4min that mixes, melting temperature is 40 ℃, add 8 parts of 1min that mix of promoting agent magnesium oxide, melting temperature is 58 ℃, add 2.5 parts of vulcanization systems 4min that mixes, melting temperature is 60 ℃, and wherein vulcanization system is comprised of 60% vulcanizing agent DTDM, 10%TMTD and 30%TETD by weight percentage; Add antioxidant D NP2.5 part 2min that mixes, melting temperature is 70 ℃, adding carbon black N55080 part, 15 parts of times of mixing of barite is 2min, melting temperature is 75 ℃, add tackiness agent RE3 part, tackiness agent RA1 part 2min that mixes, melting temperature is 80 ℃, and thin-pass 7 times obtains small generator mounting bracket damping, buffering elastomeric material.
Embodiment 3
A kind of small generator mounting bracket damping, buffering elastomeric material that the present invention proposes, first by weight EPDM50 part, EVA50 part are put into Banbury mixer as base-material and plasticated, the time of plasticating is 5min, then add 7 parts of 2min that mix of softening agent naphthenic oil, melting temperature is 45 ℃, add 7 parts of 1.3min that mix of promoting agent magnesium oxide, melting temperature is 57 ℃, add 2.5 parts of 3.6min that mix of vulcanization system, melting temperature is 62 ℃, and wherein vulcanization system is comprised of 55% vulcanizing agent DTDM, 15%TMTD and 30%TETD by weight percentage; Add antioxidant D NP2.8 part 1.9min that mixes, melting temperature is 72 ℃, adding carbon black N55078 part, 18 parts of times of mixing of barite is 1.6min, melting temperature is 77 ℃, add tackiness agent RE2 part, tackiness agent RA2 part 1.2min that mixes, melting temperature is 83 ℃, and thin-pass 5 times obtains small generator mounting bracket damping, buffering elastomeric material.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; according to technical scheme of the present invention and inventive concept thereof, be equal to replacement or changed, within all should being encompassed in protection scope of the present invention.
Claims (4)
1. a small generator mounting bracket damping, buffering elastomeric material, it is characterized in that, its raw material comprises by weight: EPDM40-60 part, EVA40-60 part, softening agent naphthenic oil 6-10 part, promoting agent magnesium oxide 6-8 part, antioxidant D NP2.5-3 part, carbon black N55070-80 part, barite 15-20 part, tackiness agent RE1-3 part, tackiness agent RA1-3 part, vulcanization system 2.5-3 part, wherein vulcanization system is comprised of 50-60% vulcanizing agent DTDM, 10-20%TMTD and 20-30%TETD by weight percentage, first EPDM and EVA being put into Banbury mixer as base-material plasticates, the time of plasticating is 3-6min, then add the softening agent naphthenic oil 1-4min that mixes, melting temperature is 40-50 ℃, add the promoting agent magnesium oxide 1-2min that mixes, melting temperature is 55-58 ℃, add the vulcanization system 3-4min that mixes, melting temperature is 60-64 ℃, add the antioxidant D NP 1-2min that mixes, melting temperature is 70-73 ℃, add carbon black N550, the barite 1-2min that mixes, melting temperature is 75-78 ℃, add tackiness agent RE, the tackiness agent RA 1-2min that mixes, melting temperature is 80-85 ℃, thin-pass 4-7 time, obtain small generator mounting bracket damping, buffering elastomeric material.
2. small generator mounting bracket damping, buffering elastomeric material according to claim 1, is characterized in that, EPDM and EVA shared total weight parts in raw material is 100 parts.
3. small generator mounting bracket damping, buffering elastomeric material according to claim 1 and 2, is characterized in that, the weight ratio of described base-material and vulcanization system is 100:2.5.
4. according to the small generator mounting bracket damping, buffering elastomeric material described in any one in claim 1-3, it is characterized in that, first EPDM and EVA being put into Banbury mixer as base-material plasticates, the time of plasticating is 4min, then add the softening agent naphthenic oil 3min that mixes, melting temperature is 45 ℃, add the promoting agent magnesium oxide 2min that mixes, melting temperature is 56 ℃, add the vulcanization system 4min that mixes, melting temperature is 62 ℃, add the antioxidant D NP 1min that mixes, melting temperature is 72 ℃, add carbon black N550, the barite 1min that mixes, melting temperature is 76 ℃, add tackiness agent RE, the tackiness agent RA 1min that mixes, melting temperature is 80 ℃, thin-pass 45 times, obtain small generator mounting bracket damping, buffering elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261541.XA CN104072886A (en) | 2014-06-12 | 2014-06-12 | Damping buffering rubber material for installing support of small generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261541.XA CN104072886A (en) | 2014-06-12 | 2014-06-12 | Damping buffering rubber material for installing support of small generator |
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| CN104072886A true CN104072886A (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410261541.XA Pending CN104072886A (en) | 2014-06-12 | 2014-06-12 | Damping buffering rubber material for installing support of small generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107474400A (en) * | 2017-07-31 | 2017-12-15 | 威固技术（安徽）有限公司 | One kind improves auto NVH performance self-lubricating rubber hanger and preparation method thereof |
| CN112574497A (en) * | 2020-12-11 | 2021-03-30 | 南通勘察设计有限公司 | Flame-retardant sound-insulation shock-absorption material for floor and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000004098A1 (en) * | 1998-07-16 | 2000-01-27 | Aktieselskabet Roulunds Fabriker | Elastomeric composition and the use thereof in an article subject to dynamic loading |
| CN102596539A (en) * | 2009-10-23 | 2012-07-18 | 莱茵化学莱瑙有限公司 | Batches of cross-linking agents, containing marking substances, novel cross-linkable rubber mixtures, method for the production thereof, and use of same |
| CN103214705A (en) * | 2012-11-14 | 2013-07-24 | 际华三五一五皮革皮鞋有限公司 | Anti-roller-sticking chloroprene rubber and preparation method thereof |
| CN103571116A (en) * | 2013-11-13 | 2014-02-12 | 四川明星电缆股份有限公司 | Low-smoke halogen-free flame-retardant anti-aging cable material for cables |
-
2014
- 2014-06-12 CN CN201410261541.XA patent/CN104072886A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000004098A1 (en) * | 1998-07-16 | 2000-01-27 | Aktieselskabet Roulunds Fabriker | Elastomeric composition and the use thereof in an article subject to dynamic loading |
| CN102596539A (en) * | 2009-10-23 | 2012-07-18 | 莱茵化学莱瑙有限公司 | Batches of cross-linking agents, containing marking substances, novel cross-linkable rubber mixtures, method for the production thereof, and use of same |
| CN103214705A (en) * | 2012-11-14 | 2013-07-24 | 际华三五一五皮革皮鞋有限公司 | Anti-roller-sticking chloroprene rubber and preparation method thereof |
| CN103571116A (en) * | 2013-11-13 | 2014-02-12 | 四川明星电缆股份有限公司 | Low-smoke halogen-free flame-retardant anti-aging cable material for cables |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107474400A (en) * | 2017-07-31 | 2017-12-15 | 威固技术（安徽）有限公司 | One kind improves auto NVH performance self-lubricating rubber hanger and preparation method thereof |
| CN112574497A (en) * | 2020-12-11 | 2021-03-30 | 南通勘察设计有限公司 | Flame-retardant sound-insulation shock-absorption material for floor and preparation method thereof |
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Application publication date: 20141001 |