CN106084495A - A kind of automobile refrigeration system EPT rubber packing pad and preparation method thereof - Google Patents
A kind of automobile refrigeration system EPT rubber packing pad and preparation method thereof Download PDFInfo
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- CN106084495A CN106084495A CN201610414491.3A CN201610414491A CN106084495A CN 106084495 A CN106084495 A CN 106084495A CN 201610414491 A CN201610414491 A CN 201610414491A CN 106084495 A CN106084495 A CN 106084495A
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- Prior art keywords
- mixing
- rubber
- refrigeration system
- roller temperature
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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
- 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
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- 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
- C08L2205/03—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
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
nullThe invention discloses a kind of automobile refrigeration system EPT rubber packing pad and preparation method thereof，It is made up of following raw material: ethylene propylene diene rubber 35 45、Polyether types of polyurethane rubber 20 30、Ethylene ethyl acrylate copolymer 18 26、Zinc sulfide 47、Lepidolite 15 20、White oil 58、2，4，6 tri-thiol s-triazine 35、White carbon black N770 15 20、2，5 dimethyl 2，5 bis(t-butylperoxy) hexanes 46、The N tert-butyl group 2 benzothiazole sulfenamide 12、Vinyl three (2 methoxy ethoxy) silane 23、3 methyl 6 tert-butyl phenols 23、Rosin glyceride 48、Dipropylene glycol dibenzoate 5 10、The beautiful powder of silicon 10 15、Modifying agent 10 15.Rubber gasket excellent combination property of the present invention, has good mechanical property.
Description
Technical field
The present invention relates to a kind of rubber gasket, be specifically related to a kind of automobile refrigeration system EPT rubber packing pad
And preparation method thereof.
Background technology
Ethylene propylene diene rubber (EPDM) is with ethylene and propylene as primary raw material, and exists with a small amount of non-conjugated diene hydrocarbon
A kind of general purpose synthetic rubber with low-unsaturation-degree being polymerized under Zeigler-Netta catalyst action.Because having height
The chemical stability of degree, the electrical insulation capability of good resistance to ozone, Weather-resistant, resistance to oxidation, erosion-resisting characteristics and excellence,
Can be widely used for the fields such as automobile sealing gasket.Along with science and technology and the fast development of industry, to EPT rubber packing material
The performance requirement of material is more and more higher, existing market is used for the EPT rubber packing pad combination property of automobile refrigeration system also
Poor, it is impossible to meet the demand in market.
Summary of the invention
Present invention aims to the deficiencies in the prior art, it is provided that a kind of automobile refrigeration system ethylene propylene diene rubber
Sealing gasket and preparation method thereof.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of automobile refrigeration system EPT rubber packing pad, is made up of the raw material of following weight portion: EPDM
Rubber 35-45, polyether types of polyurethane rubber 20-30, ethylene-ethyl acrylate copolymer 18-26, zinc sulfide 4-7, lepidolite
15-20, white oil 5-8,2,4,6-tri-thiol s-triazine 3-5, white carbon black N77015-20,2,5-dimethyl-2, the double (tert-butyl group mistake of 5-
Epoxide) hexane 4-6, N tert butyl benzothiazole 2 sulfenamide 1-2, vinyl-three (2-methoxy ethoxy) silane 2-3,
3 methy 6 tert butyl phenol 2-3, rosin glyceride 4-8, dipropylene glycol dibenzoate 5-10, silicon beautiful powder 10-15, modification
Agent 10-15；
The preparation method of described modifying agent is as follows: (1) takes the raw material of following weight portion: blast furnace water quenching slag 15-20, titanium carbide
12-18, aluminum-spinel 10-15, silicon boride 9-14, sodium cocoyl methyl sodium taurocholate 2-3,1-isobutyl-3,5-dimethylhexylphosphoric acid glycine betaine
1.5-2.5, glucose glycosaminoglycan 1-2, tallow amine polyoxyethylene ether 4-7, Jojoba acid polyoxypropylene ester 3-6, sorbitol are poly-
Oxygen vinyl Ether four oleate 2-5；(2) take blast furnace water quenching slag, aluminum-spinel, titanium carbide, silicon boride mixing, pulverize, cross 100-
150 mesh sieves, the stirring that then adds water is made the suspension of 40-50%, is added sodium cocoyl methyl sodium taurocholate, dodecyl phosphorus
Acid esters glycine betaine, glucose glycosaminoglycan, heating in water bath to 55-70 DEG C, 2000-3000r/min high-speed stirred 8-12min, mistake
Filter, adds tallow amine polyoxyethylene ether, Jojoba acid polyoxypropylene ester, sorbitol polyoxyethylene ether four oleate after drying,
1500-2500r/min high-speed stirred 4-8min, dries, and pulverizes, and crosses 100-150 mesh sieve.
The preparation method of a kind of automobile refrigeration system EPT rubber packing pad, comprises the following steps:
(1) polyether types of polyurethane rubber, ethylene-ethyl acrylate copolymer, white oil, zinc sulfide are added in mixing roll,
Adjust roller temperature to 35-45 DEG C, roll spacing to 2-4mm, after mixing 6-8min addition white carbon black N770,4,6-tri-thiol s-triazine, ethylene
Base-three (2-methoxy ethoxy) silane, adjust roller temperature to 40-50 DEG C, roll spacing to 1-3mm, mixing 7-9min, discharging, park
12-24h；
(2) ethylene propylene diene rubber, rosin glyceride, dipropylene glycol dibenzoate are added in mixing roll, adjust roller temperature
To 40-50 DEG C, roll spacing to 2-4mm, after mixing 5-8min add lepidolite, 2,5-dimethyl-2,5-bis(t-butylperoxy)
The sizing material that the beautiful powder of hexane, silicon and step (1) obtain, adjustment roller temperature is to 50-60 DEG C, and roll spacing, to 1-2mm, adds after mixing 4-6min
Enter remaining raw material, adjust roller temperature to 45-55 DEG C, roll spacing to 3-4mm, mixing 3-5min, discharging, park 12-24h；
(3) carrying out sulfidization molding in the above-mentioned sizing material mixed being sent into vulcanizing press, sulfide stress is 1.4-
1.8MPa, curing temperature 160-190 DEG C, cure time 30-40min；
(4) rubber of above-mentioned sulfuration is taken out finishing burr, finished product can be become through passer.
Above-mentioned modifying agent uses blast furnace water quenching slag, titanium carbide, aluminum-spinel, four kinds of inorganic raw materials of silicon boride to be combined and makes
With, the corrosion resistance of sealing gasket, mar proof, thermal shock resistance, heat-resisting quantity and impact resistance can be improved, use simultaneously
Sodium cocoyl methyl sodium taurocholate, 1-isobutyl-3,5-dimethylhexylphosphoric acid glycine betaine, glucose glycosaminoglycan, tallow amine polyoxyethylene ether, suddenly
Bar acid polyoxypropylene ester, sorbitol polyoxyethylene ether four oleate carry out twice modification to above-mentioned inorganic raw material suddenly, permissible
Significantly improve its interface performance, improve the compatibility of itself and polymer matrix, thus improve it and strengthen performance.
Beneficial effects of the present invention:
The present invention compared with prior art, the rubber gasket excellent combination property produced with this rubber compounding, not only
There is good mechanical property, also there is the heat-resisting quantity of excellence, resistance to pressure, wearability, air-tightness, hydrolytic resistance, resisting fatigue
The performances such as property, fully meet the use requirement of automobile refrigeration system EPT rubber packing pad.
Detailed description of the invention
A kind of automobile refrigeration system EPT rubber packing pad, is made up of the raw material of following weight (kg): ternary second
Third rubber 40, polyether types of polyurethane rubber 25, ethylene-ethyl acrylate copolymer 22, zinc sulfide 5, lepidolite 18, white oil 7,
2,4,6-tri-thiol s-triazine 4, white carbon black N770 18,2,5-dimethyl-2,5-bis(t-butylperoxy) hexane 5, the tertiary fourth of N-
Base-2-[4-morpholinodithio sulfenamide 1.5, vinyl-three (2-methoxy ethoxy) silane 2.5,3 methy 6 tert butyl phenol
2, rosin glyceride 6, dipropylene glycol dibenzoate 8, the beautiful powder of silicon 12, modifying agent 13；
The preparation method of described modifying agent is as follows: (1) takes the raw material of following weight (kg): blast furnace water quenching slag 18, titanium carbide
16, aluminum-spinel 13, silicon boride 12, sodium cocoyl methyl sodium taurocholate 2.5,1-isobutyl-3,5-dimethylhexylphosphoric acid glycine betaine 2, glucose ammonia
Base glucosan 1.5, tallow amine polyoxyethylene ether 5, Jojoba acid polyoxypropylene ester 4.5, sorbitol polyoxyethylene ether four oleate
3；(2) taking blast furnace water quenching slag, aluminum-spinel, titanium carbide, silicon boride mixing, pulverize, cross 100 mesh sieves, then add water stirring system
Become 45% suspension, add sodium cocoyl methyl sodium taurocholate, 1-isobutyl-3,5-dimethylhexylphosphoric acid glycine betaine, glucose amino Portugal gather
Sugar, heating in water bath to 70 DEG C, 2000r/min high-speed stirred 12min, filter, after drying add tallow amine polyoxyethylene ether, flash
Bar acid polyoxypropylene ester, sorbitol polyoxyethylene ether four oleate, 1500r/min high-speed stirred 8min, dry, pulverize, cross 150
Mesh sieve.
The preparation method of a kind of automobile refrigeration system EPT rubber packing pad, comprises the following steps:
(1) polyether types of polyurethane rubber, ethylene-ethyl acrylate copolymer, white oil, zinc sulfide are added in mixing roll,
Adjust roller temperature to 35-45 DEG C, roll spacing to 2-4mm, after mixing 6-8min addition white carbon black N770,4,6-tri-thiol s-triazine, ethylene
Base-three (2-methoxy ethoxy) silane, adjust roller temperature to 40-50 DEG C, roll spacing to 1-3mm, mixing 7-9min, discharging, park
12-24h；
(2) ethylene propylene diene rubber, rosin glyceride, dipropylene glycol dibenzoate are added in mixing roll, adjust roller temperature
To 40-50 DEG C, roll spacing to 2-4mm, after mixing 5-8min add lepidolite, 2,5-dimethyl-2,5-bis(t-butylperoxy)
The sizing material that the beautiful powder of hexane, silicon and step (1) obtain, adjustment roller temperature is to 50-60 DEG C, and roll spacing, to 1-2mm, adds after mixing 4-6min
Enter remaining raw material, adjust roller temperature to 45-55 DEG C, roll spacing to 3-4mm, mixing 3-5min, discharging, park 12-24h；
(3) carrying out sulfidization molding in the above-mentioned sizing material mixed being sent into vulcanizing press, sulfide stress is 1.4-
1.8MPa, curing temperature 160-190 DEG C, cure time 30-40min；
(4) rubber of above-mentioned sulfuration is taken out finishing burr, finished product can be become through passer.
The main performance testing result of the sealing gasket that above-described embodiment prepares is as shown in the table.
。
Claims (2)
1. an automobile refrigeration system EPT rubber packing pad, it is characterised in that be made up of the raw material of following weight portion:
Ethylene propylene diene rubber 35-45, polyether types of polyurethane rubber 20-30, ethylene-ethyl acrylate copolymer 18-26, zinc sulfide
4-7, lepidolite 15-20, white oil 5-8,2,4,6-tri-thiol s-triazine 3-5, white carbon black N770 15-20,2,5-dimethyl-2,
5-bis(t-butylperoxy) hexane 4-6, N tert butyl benzothiazole 2 sulfenamide 1-2, vinyl-three (2-methoxyl group
Ethyoxyl) silane 2-3,3 methy 6 tert butyl phenol 2-3, rosin glyceride 4-8, dipropylene glycol dibenzoate 5-
10, silicon beautiful powder 10-15, modifying agent 10-15；
The preparation method of described modifying agent is as follows: (1) takes the raw material of following weight portion: blast furnace water quenching slag 15-20, titanium carbide 12-
18, aluminum-spinel 10-15, silicon boride 9-14, sodium cocoyl methyl sodium taurocholate 2-3,1-isobutyl-3,5-dimethylhexylphosphoric acid glycine betaine
1.5-2.5, glucose glycosaminoglycan 1-2, tallow amine polyoxyethylene ether 4-7, Jojoba acid polyoxypropylene ester 3-6, sorbitol
Polyoxyethylene ether four oleate 2-5；(2) take blast furnace water quenching slag, aluminum-spinel, titanium carbide, silicon boride mixing, pulverize, mistake
100-150 mesh sieve, the stirring that then adds water is made the suspension of 40-50%, is added sodium cocoyl methyl sodium taurocholate, dodecane
Base phosphate ester glycine betaine, glucose glycosaminoglycan, heating in water bath to 55-70 DEG C, 2000-3000r/min high-speed stirred 8-
12min, filters, and adds tallow amine polyoxyethylene ether, Jojoba acid polyoxypropylene ester, sorbitol polyoxyethylene ether four oil after drying
Acid esters, 1500-2500r/min high-speed stirred 4-8min, dry, pulverize, cross 100-150 mesh sieve.
The preparation method of automobile refrigeration system EPT rubber packing pad the most according to claim 1, its feature exists
In, comprise the following steps:
(1) polyether types of polyurethane rubber, ethylene-ethyl acrylate copolymer, white oil, zinc sulfide are added in mixing roll, adjust
Roller temperature to 35-45 DEG C, roll spacing to 2-4mm, after mixing 6-8min add white carbon black N770,4,6-tri-thiol s-triazine, vinyl-three
(2-methoxy ethoxy) silane, adjust roller temperature to 40-50 DEG C, roll spacing to 1-3mm, mixing 7-9min, discharging, park 12-
24h；
(2) ethylene propylene diene rubber, rosin glyceride, dipropylene glycol dibenzoate are added in mixing roll, adjustment roller temperature to 40-
50 DEG C, roll spacing to 2-4mm, after mixing 5-8min add lepidolite, 2,5-dimethyl-2,5-bis(t-butylperoxy) hexane,
The sizing material that the beautiful powder of silicon and step (1) obtain, adjustment roller temperature is to 50-60 DEG C, and roll spacing, to 1-2mm, adds remaining after mixing 4-6min
Lower raw material, adjust roller temperature to 45-55 DEG C, roll spacing to 3-4mm, mixing 3-5min, discharging, park 12-24h；
(3) carrying out sulfidization molding in the above-mentioned sizing material mixed being sent into vulcanizing press, sulfide stress is 1.4-1.8MPa, sulfur
Change temperature 160-190 DEG C, cure time 30-40min；
(4) rubber of above-mentioned sulfuration is taken out finishing burr, finished product can be become through passer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610414491.3A CN106084495A (en) | 2016-06-06 | 2016-06-06 | A kind of automobile refrigeration system EPT rubber packing pad and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610414491.3A CN106084495A (en) | 2016-06-06 | 2016-06-06 | A kind of automobile refrigeration system EPT rubber packing pad and preparation method thereof |
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| CN106084495A true CN106084495A (en) | 2016-11-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109337349A (en) * | 2018-11-01 | 2019-02-15 | 漯河市邦威橡胶有限公司 | A kind of high-temperature flexible rubber hose outer layer rubber |
| CN112920516A (en) * | 2021-01-29 | 2021-06-08 | 厦门麦丰密封件有限公司 | Low-pressure-change EPDM sealing element capable of achieving high-temperature rapid peroxide vulcanization and preparation method thereof |
| CN112920515A (en) * | 2021-01-29 | 2021-06-08 | 厦门麦丰密封件有限公司 | Preparation process of EPDM sealing element and product thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419185A (en) * | 2015-12-30 | 2016-03-23 | 崇夕山 | Shaft end O-shaped sealing ring with hot air ageing resistance |
-
2016
- 2016-06-06 CN CN201610414491.3A patent/CN106084495A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419185A (en) * | 2015-12-30 | 2016-03-23 | 崇夕山 | Shaft end O-shaped sealing ring with hot air ageing resistance |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109337349A (en) * | 2018-11-01 | 2019-02-15 | 漯河市邦威橡胶有限公司 | A kind of high-temperature flexible rubber hose outer layer rubber |
| CN109337349B (en) * | 2018-11-01 | 2022-02-15 | 漯河市邦威橡胶有限公司 | Outer rubber of high-temperature-resistant flexible rubber hose |
| CN112920516A (en) * | 2021-01-29 | 2021-06-08 | 厦门麦丰密封件有限公司 | Low-pressure-change EPDM sealing element capable of achieving high-temperature rapid peroxide vulcanization and preparation method thereof |
| CN112920515A (en) * | 2021-01-29 | 2021-06-08 | 厦门麦丰密封件有限公司 | Preparation process of EPDM sealing element and product thereof |
| CN112920515B (en) * | 2021-01-29 | 2023-06-23 | 厦门麦丰密封件有限公司 | Preparation process of EPDM sealing element and product thereof |
| CN112920516B (en) * | 2021-01-29 | 2023-06-23 | 厦门麦丰密封件有限公司 | Low-pressure-change EPDM sealing element capable of being rapidly peroxidized and vulcanized at high temperature and preparation method thereof |
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Application publication date: 20161109 |
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