CN105315563A - Compounded rubber material for seal ring and preparing method thereof - Google Patents
Compounded rubber material for seal ring and preparing method thereof Download PDFInfo
- Publication number
- CN105315563A CN105315563A CN201510825908.0A CN201510825908A CN105315563A CN 105315563 A CN105315563 A CN 105315563A CN 201510825908 A CN201510825908 A CN 201510825908A CN 105315563 A CN105315563 A CN 105315563A
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- rubber material
- parts
- sealing
- banburying
- ring composite
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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
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C08L23/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a compounded rubber material for a seal ring and a preparing method thereof. The rubber material for the seal ring is prepared from 20-30 parts of butyl rubber, 2-5 parts of ethylene propylene rubber, 4-12 parts of polyvinylidene fluoride resin, 8-20 parts of polybutadiene epoxy resin, 4-8 parts of triisopropyl phosphate, 3-6 parts of disteaxyl thiodipropionate, 4-8 parts of calcium oxide and 3-8 parts of sodium laureth sulfate. The preparing method includes the following steps that 1, calcium oxide is pulverized through a pulverizer; 2, the components are thrown into an internal mixer to be internally mixed for 3-7 min at the internal mixing temperature of 125 DEG C-135 DEG C; 3, the mixed rubber material in the step 2 is heated to 140 DEG C-150 DEG C to be internally mixed for 2-6 min; 4, the rubber material for the seal ring is obtained through performing. The prepared rubber material is ideal in strength and tenacity and capable of being used in the seal ring and other elastic materials.
Description
Technical field
The invention belongs to field of rubber materials, be specifically related to a kind of sealing-ring composite rubber material and preparation method thereof.
Background technology
Sealing-ring is mainly used to grease-proof and waterproof preserving and sealing gas, prevents from revealing, sealing-ring of a great variety, different according to sealing-ring material used, just produces different classification in nature.Sealing-ring property sort can be divided into 1. high-temperature resistant seal rings; 2. high-pressure-resistant sealed circle; 3. corrosion-resistant sealing-ring; 4. wear-resistant sealing-ring.Sealing-ring may be used for five metals plastic cement, water supply and drainage, Heating,Ventilating and Air Conditioning (HVAC), fire-fighting, pharmacy, boats and ships, etc. tubing system, Qi Che ﹑ Mo Tuo Che ﹑ various Ji Xie ﹑ Jia Yong electricity Qi ﹑ electricity ﹑ Wan Ju ﹑ Yun move Qi Cai ﹑ pneumatic element and bathroom etc.
Different types of rubber applications can produce different impacts to sealing-ring in sealing-ring, and the tensile strength, elongation at break, ultimate compression strength etc. of conventional rubber seal affect very large by its moiety.
Summary of the invention
the technical problem solved:elastomeric material is applied in the manufacture of sealing-ring by a large amount of, the object of the invention is open a kind of sealing-ring composite rubber material and preparation method thereof, improves the tensile strength of sealing-ring composite rubber material, elongation at break and ultimate compression strength thereof.
technical scheme
The present invention is achieved through the following technical solutions:
A kind of sealing-ring composite rubber material, described sealing-ring composite rubber material comprises the composition of following weight parts:
Isoprene-isobutylene rubber 20-30 part,
Ethylene-propylene rubber(EPR) 2-5 part,
Polyvinylidene fluoride resin 4-12 part,
Polybutadiene epoxy resin 8-20 part,
Triisopropyl phosphite 4-8 part,
The two octadecyl 3-6 part of thio-2 acid,
Calcium oxide 4-8 part,
Laureth sodium sulfovinate 3-8 part.
Preferably, described a kind of sealing-ring composite rubber material, comprises the composition of following weight parts:
Isoprene-isobutylene rubber 22-28 part,
Ethylene-propylene rubber(EPR) 3-4 part,
Polyvinylidene fluoride resin 6-10 part,
Polybutadiene epoxy resin 11-17 part,
Triisopropyl phosphite 3-5 part,
The two octadecyl 4-5 part of thio-2 acid,
Calcium oxide 5-7 part,
Laureth sodium sulfovinate 4-7 part.
The preparation method of described a kind of sealing-ring composite rubber material, comprises the steps:
Step 1: deoxidation calcium pulverizer is pulverized, being crushed to lime powder order number is more than 200 orders;
Step 2: get isoprene-isobutylene rubber 20-30 part, ethylene-propylene rubber(EPR) 2-5 part, polyvinylidene fluoride resin 4-12 part, polybutadiene epoxy resin 8-20 part, triisopropyl phosphite 4-8 part, the two octadecyl 3-6 part of thio-2 acid, calcium oxide 4-8 part, laureth sodium sulfovinate 3-8 part by weight respectively, throw above-mentioned composition to banburying 3-7min in Banbury mixer, banburying temperature is 125-135 DEG C;
Step 3: be 140-150 DEG C of banburying 2-6min at raised temperature the mixed rubber material of step 2;
Step 4: by the mixed rubber material preforms of step 3, obtain sealing-ring composite rubber material.
Preferably, the preparation method of described a kind of sealing-ring composite rubber material, is broken to more than 300 orders by calcium oxide powder in described step 1.
Preferably, the preparation method of described a kind of sealing-ring composite rubber material, banburying 5min in described step 2, banburying temperature is 130 DEG C.
Preferably, the preparation method of described a kind of sealing-ring composite rubber material, in described step 3, raised temperature is 145 DEG C of banburying 4min.
beneficial effect:more elastomeric material and other macromolecular materials is added in sealing-ring elastomeric material of the present invention, jointly effectively improve the tensile strength of elastomeric material, elongation at break and ultimate compression strength thereof, especially the two octadecyl of the polybutadiene epoxy resin in elastomeric material of the present invention, triisopropyl phosphite, thio-2 acid effectively improves its above-mentioned mechanical property jointly, can be applied in the preparation technology of sealing-ring preferably.
Specific embodiment
Below in conjunction with specific embodiment, the present invention is further described.
Embodiment 1
Step 1: deoxidation calcium pulverizer is pulverized, being crushed to lime powder order number is more than 200 orders;
Step 2: get isoprene-isobutylene rubber 30 parts, 2 parts, ethylene-propylene rubber(EPR), polyvinylidene fluoride resin 12 parts, polybutadiene epoxy resin 20 parts, triisopropyl phosphite 8 parts, thio-2 acid two octadecyl 3 parts, 8 parts, calcium oxide, laureth sodium sulfovinate 3 parts by weight respectively, throw above-mentioned composition to banburying 7min in Banbury mixer, banburying temperature is 125 DEG C;
Step 3: be 150 DEG C of banburying 2min at raised temperature the mixed rubber material of step 2;
Step 4: by the mixed rubber material preforms of step 3, obtain sealing-ring composite rubber material.
Embodiment 2
Step 1: deoxidation calcium pulverizer is pulverized, being crushed to lime powder order number is more than 200 orders;
Step 2: get isoprene-isobutylene rubber 20 parts, 5 parts, ethylene-propylene rubber(EPR), polyvinylidene fluoride resin 4 parts, polybutadiene epoxy resin 8 parts, triisopropyl phosphite 4 parts, thio-2 acid two octadecyl 6 parts, 4 parts, calcium oxide, laureth sodium sulfovinate 8 parts by weight respectively, throw above-mentioned composition to banburying 3min in Banbury mixer, banburying temperature is 135 DEG C;
Step 3: be 140 DEG C of banburying 6min at raised temperature the mixed rubber material of step 2;
Step 4: by the mixed rubber material preforms of step 3, obtain sealing-ring composite rubber material.
Embodiment 3
Step 1: deoxidation calcium pulverizer is pulverized, being crushed to lime powder order number is more than 200 orders;
Step 2: get isoprene-isobutylene rubber 22 parts, 4 parts, ethylene-propylene rubber(EPR), polyvinylidene fluoride resin 6 parts, polybutadiene epoxy resin 11 parts, triisopropyl phosphite 3 parts, thio-2 acid two octadecyl 5 parts, 5 parts, calcium oxide, laureth sodium sulfovinate 7 parts by weight respectively, throw above-mentioned composition to banburying 7min in Banbury mixer, banburying temperature is 125 DEG C;
Step 3: be 150 DEG C of banburying 2min at raised temperature the mixed rubber material of step 2;
Step 4: by the mixed rubber material preforms of step 3, obtain sealing-ring composite rubber material.
Embodiment 4
Step 1: deoxidation calcium pulverizer is pulverized, being crushed to lime powder order number is more than 200 orders;
Step 2: get isoprene-isobutylene rubber 28 parts, 3 parts, ethylene-propylene rubber(EPR), polyvinylidene fluoride resin 10 parts, polybutadiene epoxy resin 17 parts, triisopropyl phosphite 5 parts, thio-2 acid two octadecyl 4 parts, 7 parts, calcium oxide, laureth sodium sulfovinate 4 parts by weight respectively, throw above-mentioned composition to banburying 3min in Banbury mixer, banburying temperature is 135 DEG C;
Step 3: be 140 DEG C of banburying 6min at raised temperature the mixed rubber material of step 2;
Step 4: by the mixed rubber material preforms of step 3, obtain sealing-ring composite rubber material.
Embodiment 5
Step 1: deoxidation calcium pulverizer is pulverized, being crushed to lime powder order number is more than 200 orders;
Step 2: get isoprene-isobutylene rubber 28 parts, 3 parts, ethylene-propylene rubber(EPR), polyvinylidene fluoride resin 10 parts, polybutadiene epoxy resin 17 parts, triisopropyl phosphite 5 parts, thio-2 acid two octadecyl 4 parts, 7 parts, calcium oxide, laureth sodium sulfovinate 4 parts by weight respectively, throw above-mentioned composition to banburying 3min in Banbury mixer, banburying temperature is 135 DEG C;
Step 3: be 140 DEG C of banburying 6min at raised temperature the mixed rubber material of step 2;
Step 4: by the mixed rubber material preforms of step 3, obtain sealing-ring composite rubber material.
Comparative example 1
Step 1: deoxidation calcium pulverizer is pulverized, being crushed to lime powder order number is more than 200 orders;
Step 2: get isoprene-isobutylene rubber 30 parts, 2 parts, ethylene-propylene rubber(EPR), triisopropyl phosphite 8 parts, thio-2 acid two octadecyl 3 parts, 8 parts, calcium oxide, laureth sodium sulfovinate 3 parts by weight respectively, throw above-mentioned composition to banburying 7min in Banbury mixer, banburying temperature is 125 DEG C;
Step 3: be 150 DEG C of banburying 2min at raised temperature the mixed rubber material of step 2;
Step 4: by the mixed rubber material preforms of step 3, obtain sealing-ring composite rubber material.
Comparative example 2
Step 1: deoxidation calcium pulverizer is pulverized, being crushed to lime powder order number is more than 200 orders;
Step 2: get isoprene-isobutylene rubber 30 parts, 2 parts, ethylene-propylene rubber(EPR), polyvinylidene fluoride resin 12 parts, polybutadiene epoxy resin 20 parts, 8 parts, calcium oxide, laureth sodium sulfovinate 3 parts by weight respectively, throw above-mentioned composition to banburying 7min in Banbury mixer, banburying temperature is 125 DEG C;
Step 3: be 150 DEG C of banburying 2min at raised temperature the mixed rubber material of step 2;
Step 4: by the mixed rubber material preforms of step 3, obtain sealing-ring composite rubber material.
Determine the tensile strength of sealing-ring elastomeric material of the present invention, elongation at break and ultimate compression strength, concrete outcome is as follows:
| Tensile strength (MPa) | Elongation at break (%) | Ultimate compression strength (MPa) | |
| Embodiment 1 | 24.3 | 190 | 29.6 |
| Embodiment 2 | 24.1 | 193 | 30.2 |
| Embodiment 3 | 25.9 | 202 | 31.5 |
| Embodiment 4 | 26.4 | 204 | 31.2 |
| Embodiment 5 | 28.5 | 212 | 33.4 |
| Comparative example 1 | 20.2 | 177 | 25.5 |
| Comparative example 2 | 18.9 | 165 | 24.3 |
Claims (6)
1. a sealing-ring composite rubber material, is characterized in that, described sealing-ring composite rubber material comprises the composition of following weight parts:
Isoprene-isobutylene rubber 20-30 part,
Ethylene-propylene rubber(EPR) 2-5 part,
Polyvinylidene fluoride resin 4-12 part,
Polybutadiene epoxy resin 8-20 part,
Triisopropyl phosphite 4-8 part,
The two octadecyl 3-6 part of thio-2 acid,
Calcium oxide 4-8 part,
Laureth sodium sulfovinate 3-8 part.
2. a kind of sealing-ring composite rubber material according to claim 1, is characterized in that, described sealing-ring composite rubber material comprises the composition of following weight parts:
Isoprene-isobutylene rubber 22-28 part,
Ethylene-propylene rubber(EPR) 3-4 part,
Polyvinylidene fluoride resin 6-10 part,
Polybutadiene epoxy resin 11-17 part,
Triisopropyl phosphite 3-5 part,
The two octadecyl 4-5 part of thio-2 acid,
Calcium oxide 5-7 part,
Laureth sodium sulfovinate 4-7 part.
3. the preparation method of a kind of sealing-ring composite rubber material according to claim 1, it is characterized in that, described preparation method comprises the steps:
Step 1: deoxidation calcium pulverizer is pulverized, being crushed to lime powder order number is more than 200 orders;
Step 2: get isoprene-isobutylene rubber 20-30 part, ethylene-propylene rubber(EPR) 2-5 part, polyvinylidene fluoride resin 4-12 part, polybutadiene epoxy resin 8-20 part, triisopropyl phosphite 4-8 part, the two octadecyl 3-6 part of thio-2 acid, calcium oxide 4-8 part, laureth sodium sulfovinate 3-8 part by weight respectively, throw above-mentioned composition to banburying 3-7min in Banbury mixer, banburying temperature is 125-135 DEG C;
Step 3: be 140-150 DEG C of banburying 2-6min at raised temperature the mixed rubber material of step 2;
Step 4: by the mixed rubber material preforms of step 3, obtain sealing-ring composite rubber material.
4. the preparation method of a kind of sealing-ring composite rubber material according to claim 3, is characterized in that, in described step 1, calcium oxide powder is broken to more than 300 orders.
5. the preparation method of a kind of sealing-ring composite rubber material according to claim 3, is characterized in that, banburying 5min in described step 2, and banburying temperature is 130 DEG C.
6. the preparation method of a kind of sealing-ring composite rubber material according to claim 3, is characterized in that, in described step 3, raised temperature is 145 DEG C of banburying 4min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510825908.0A CN105315563A (en) | 2015-11-25 | 2015-11-25 | Compounded rubber material for seal ring and preparing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510825908.0A CN105315563A (en) | 2015-11-25 | 2015-11-25 | Compounded rubber material for seal ring and preparing method thereof |
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| CN105315563A true CN105315563A (en) | 2016-02-10 |
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| CN201510825908.0A Pending CN105315563A (en) | 2015-11-25 | 2015-11-25 | Compounded rubber material for seal ring and preparing method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105820578A (en) * | 2016-04-21 | 2016-08-03 | 苏州市双虎科技有限公司 | High-mechanical-strength material for cable insulation |
| CN106366663A (en) * | 2016-08-30 | 2017-02-01 | 无锡神意环件法兰有限公司 | Corrosion-resistant flange |
| CN107400278A (en) * | 2017-08-12 | 2017-11-28 | 安徽英科成流体科技有限公司 | A kind of valve pressure-resistant seal loop material matter |
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| CN102850671A (en) * | 2012-09-27 | 2013-01-02 | 应城市恒天药业包装有限公司 | Oral liquid rubber plug material and preparation method thereof |
| CN103709525A (en) * | 2013-12-16 | 2014-04-09 | 芜湖万润机械有限责任公司 | Rubber sealing pad material with good safety sealing performance and preparation method thereof |
| CN103709531A (en) * | 2013-11-29 | 2014-04-09 | 马鞍山市中澜橡塑制品有限公司 | Non-toxic and environmental friendly composite rubber mixing sealing gasket material and preparation method thereof |
| CN103709532A (en) * | 2013-11-29 | 2014-04-09 | 马鞍山市中澜橡塑制品有限公司 | Modified butyl rubber sealing gasket material and preparation method thereof |
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2015
- 2015-11-25 CN CN201510825908.0A patent/CN105315563A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102277131A (en) * | 2010-04-09 | 2011-12-14 | 日东电工株式会社 | Sealing composition, multiple glass and solar cell panel |
| CN102850671A (en) * | 2012-09-27 | 2013-01-02 | 应城市恒天药业包装有限公司 | Oral liquid rubber plug material and preparation method thereof |
| CN103709531A (en) * | 2013-11-29 | 2014-04-09 | 马鞍山市中澜橡塑制品有限公司 | Non-toxic and environmental friendly composite rubber mixing sealing gasket material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105820578A (en) * | 2016-04-21 | 2016-08-03 | 苏州市双虎科技有限公司 | High-mechanical-strength material for cable insulation |
| CN106366663A (en) * | 2016-08-30 | 2017-02-01 | 无锡神意环件法兰有限公司 | Corrosion-resistant flange |
| CN107400278A (en) * | 2017-08-12 | 2017-11-28 | 安徽英科成流体科技有限公司 | A kind of valve pressure-resistant seal loop material matter |
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