CN109467765A - A kind of wear-resistant pressure-resistant rubber washer and preparation method thereof - Google Patents
A kind of wear-resistant pressure-resistant rubber washer and preparation method thereof Download PDFInfo
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- CN109467765A CN109467765A CN201811132150.2A CN201811132150A CN109467765A CN 109467765 A CN109467765 A CN 109467765A CN 201811132150 A CN201811132150 A CN 201811132150A CN 109467765 A CN109467765 A CN 109467765A
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- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- 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
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- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/11—Esters; Ether-esters of acyclic polycarboxylic acids
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- 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- 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
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- 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 wear-resistant pressure-resistant rubber washer and preparation method thereof, the wear-resistant pressure-resistant rubber washer is prepared by the raw material of following mass fraction: 80~100 parts of nitrile rubber, 25~35 parts of calcium carbonate, 20~40 parts of reinforcing agent, 3~5 parts of fire retardant, 3~6 parts of anti-aging agent, environment-friendlyplasticizer plasticizer ATBC3~5 part, 2~3 parts of vulcanizing agent, 0.5~1.5 part of Vulcanization accelerator TMTD, 0.8~2 part of stearic acid, 3~7 parts of nano zine oxide, 1~2 part of lubricant;The preparation method of the wear-resistant pressure-resistant rubber washer is the following steps are included: weighing, the pretreatment of raw material, the mixing of sizing material, the mill of sizing material, vulcanization sizing, demoulding deburring for raw material.Preparation method advantages of simple of the present invention, it is easy to implement, the rubber washer of preparation is using nitrile rubber as crude rubber, pass through the collective effect of environment-friendlyplasticizer plasticizer ATBC and other raw material components, so that the compression strength and abrasion hardness of product improve, and washer finished product elasticity enhances, and is conducive to product and absorbs surge.
Description
Technical field
The present invention relates to rubber washer technical field, especially a kind of wear-resistant pressure-resistant rubber washer and preparation method thereof.
Background technique
Rubber industry is the important basic industry of China in recent years, is play not in the daily production and living of people
Can or scarce role, daily product is not only applicable to, in medical equipment product, also in traffic, building, machinery, electronics and change
The heavy industry such as work field plays an important role.It needs to seal between many parts of appliance at this stage, to guarantee the property of equipment
Can, rubber washer is widely used in the fixed connection place in pneumatic system and hydraulic system as a kind of common obturator,
The performance of rubber washer determines by its formula composition and processing technology, existing rubber washer after use after a period of time,
It usually will appear concentrated wear, elastic the phenomenon that being deteriorated, the intensity and sealing performance for directly resulting in rubber washer decline, so that rubber
Joint failure between glue and metal, rubber washer cannot play its original sealing function.
Summary of the invention
In order to overcome drawbacks described above existing in the prior art, the wear-resisting property and crushing resistance of rubber washer are further increased
Can, advanced optimize the preparation process of rubber washer, the present invention provides a kind of wear-resistant pressure-resistant rubber washer and preparation method thereof.
The technical solution adopted by the present invention to solve the technical problems is: a kind of wear-resistant pressure-resistant rubber washer and its preparation side
Method, the wear-resistant pressure-resistant rubber washer are prepared by the raw material of following mass fraction:
The preparation method of the wear-resistant pressure-resistant rubber washer the following steps are included:
Step 1, raw material weigh: carrying out weighing for each component raw material according to above-mentioned formula;
The pretreatment of raw material: step 2 environment-friendly plasticizer ATBC is poured into reinforcing agent and is uniformly mixed;
The mixing of sizing material: nitrile rubber is placed in mixer on kneading machine and carries out 5~10min of mixing, so by step 3
After be uniformly added into lubricant, stearic acid, nano zine oxide and anti-aging agent and be tentatively kneaded, be kneaded uniform;Again by calcium carbonate,
Be mixed with the reinforcing agent of plasticizer, fire retardant is added mixer and is kneaded, obtain rubber compound, wherein smelting temperature is set as 62
DEG C, dump temperature is 80 DEG C;
The mill of sizing material: rubber compound obtained by step 3 is placed in progress mill packet roller in two-roll mill, low by step 4
Add vulcanizing agent, Vulcanization accelerator TMTD at 48~52 DEG C of warm condition, turns refining, bottom sheet, for use;
Step 5, vulcanization sizing: by the mold of the merging vulcanizing equipment of sizing material piece obtained by step 4, carrying out vulcanizing treatment,
Wherein curing temperature obtains vulcanizate for 160 DEG C, sulfide stress 10MPa, 30~40min of vulcanization time;
Step 6 demoulds deburring: demoulding processing will be carried out using release agent after the solidification cooling of vulcanizate obtained by step 5,
Rubber washer crude green body is obtained, the progress deburring of rubber washer crude green body is arrived into rubber washer finished product except thorn processing.
Above-mentioned a kind of wear-resistant pressure-resistant rubber washer and preparation method thereof, the reinforcing agent are white carbon black and attapulgite
The mass ratio of mixture, the white carbon black and attapulgite is 3:1~8:1.
Above-mentioned a kind of wear-resistant pressure-resistant rubber washer and preparation method thereof, the fire retardant are fire retardant FR -780 or fire-retardant
Agent FR-11.
Above-mentioned a kind of wear-resistant pressure-resistant rubber washer and preparation method thereof, the anti-aging agent are antioxidant 4010NA or prevent old
Agent 4020.
Above-mentioned a kind of wear-resistant pressure-resistant rubber washer and preparation method thereof, the lubricant are lubricant BR-1.
Above-mentioned a kind of wear-resistant pressure-resistant rubber washer and preparation method thereof, the vulcanizing agent are industrial sulphur.
The invention has the advantages that preparation method advantages of simple of the present invention, easy to implement, the rubber washer of preparation is with fourth
Nitrile rubber is crude rubber, by the collective effect of environment-friendlyplasticizer plasticizer ATBC and other raw material components, so that product is anti-
Compressive Strength and abrasion hardness improve, and washer finished product elasticity enhances, and are conducive to product and absorb surge.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, With reference to embodiment to this
Invention elaborates.
[embodiment 1]
A kind of wear-resistant pressure-resistant rubber washer and preparation method thereof, the wear-resistant pressure-resistant rubber washer is by following mass fraction
Raw material is prepared:
The preparation method of the wear-resistant pressure-resistant rubber washer the following steps are included:
Step 1, raw material weigh: carrying out weighing for each component raw material according to above-mentioned formula;
The pretreatment of raw material: step 2 environment-friendly plasticizer ATBC is poured into reinforcing agent and is uniformly mixed;
The mixing of sizing material: nitrile rubber is placed in mixer on kneading machine and carries out mixing 8min, then by step 3
Even addition lubricant, stearic acid, nano zine oxide and anti-aging agent are tentatively kneaded, and are kneaded uniform;Again by calcium carbonate, be mixed with
Reinforcing agent, the fire retardant of plasticizer are added mixer and are kneaded, and obtain rubber compound, and wherein smelting temperature is set as 62 DEG C, row
Material temperature degree is 80 DEG C;
The mill of sizing material: rubber compound obtained by step 3 is placed in progress mill packet roller in two-roll mill, low by step 4
Add vulcanizing agent, Vulcanization accelerator TMTD at 50 DEG C of warm condition, turns refining, bottom sheet, for use;
Step 5, vulcanization sizing: by the mold of the merging vulcanizing equipment of sizing material piece obtained by step 4, carrying out vulcanizing treatment,
Wherein curing temperature obtains vulcanizate for 160 DEG C, sulfide stress 10MPa, vulcanization time 30min;
Step 6 demoulds deburring: demoulding processing will be carried out using release agent after the solidification cooling of vulcanizate obtained by step 5,
Rubber washer crude green body is obtained, the progress deburring of rubber washer crude green body is arrived into rubber washer finished product except thorn processing.
Further, the reinforcing agent is the mixture of white carbon black and attapulgite, the white carbon black and attapulgite
Mass ratio is 3:1;The fire retardant is fire retardant FR -780;The anti-aging agent is antioxidant 4010NA;The lubricant is profit
Lubrication prescription BR-1;The vulcanizing agent is industrial sulphur.
[embodiment 2]
A kind of wear-resistant pressure-resistant rubber washer and preparation method thereof, the wear-resistant pressure-resistant rubber washer is by following mass fraction
Raw material is prepared:
The preparation method of the wear-resistant pressure-resistant rubber washer the following steps are included:
Step 1, raw material weigh: carrying out weighing for each component raw material according to above-mentioned formula;
The pretreatment of raw material: step 2 environment-friendly plasticizer ATBC is poured into reinforcing agent and is uniformly mixed;
The mixing of sizing material: nitrile rubber is placed in mixer on kneading machine and carries out mixing 6min, then by step 3
Even addition lubricant, stearic acid, nano zine oxide and anti-aging agent are tentatively kneaded, and are kneaded uniform;Again by calcium carbonate, be mixed with
Reinforcing agent, the fire retardant of plasticizer are added mixer and are kneaded, and obtain rubber compound, and wherein smelting temperature is set as 62 DEG C, row
Material temperature degree is 80 DEG C;
The mill of sizing material: rubber compound obtained by step 3 is placed in progress mill packet roller in two-roll mill, low by step 4
Add vulcanizing agent, Vulcanization accelerator TMTD at 48 DEG C of warm condition, turns refining, bottom sheet, for use;
Step 5, vulcanization sizing: by the mold of the merging vulcanizing equipment of sizing material piece obtained by step 4, carrying out vulcanizing treatment,
Wherein curing temperature obtains vulcanizate for 160 DEG C, sulfide stress 10MPa, vulcanization time 35min;
Step 6 demoulds deburring: demoulding processing will be carried out using release agent after the solidification cooling of vulcanizate obtained by step 5,
Rubber washer crude green body is obtained, the progress deburring of rubber washer crude green body is arrived into rubber washer finished product except thorn processing.
Specifically, the reinforcing agent is the mixture of white carbon black and attapulgite, the matter of the white carbon black and attapulgite
Amount is than being 5:1;The fire retardant is fire retardant FR -11;The anti-aging agent is antioxidant 4020;The lubricant is lubricant
BR-1;The vulcanizing agent is industrial sulphur.
[embodiment 3]
A kind of wear-resistant pressure-resistant rubber washer and preparation method thereof, the wear-resistant pressure-resistant rubber washer is by following mass fraction
Raw material is prepared:
The preparation method of the wear-resistant pressure-resistant rubber washer the following steps are included:
Step 1, raw material weigh: carrying out weighing for each component raw material according to above-mentioned formula;
The pretreatment of raw material: step 2 environment-friendly plasticizer ATBC is poured into reinforcing agent and is uniformly mixed;
The mixing of sizing material: nitrile rubber is placed in mixer on kneading machine and carries out mixing 10min, then by step 3
It is uniformly added into lubricant, stearic acid, nano zine oxide and anti-aging agent to be tentatively kneaded, be kneaded uniform;Again by calcium carbonate, mixed
There are the reinforcing agent of plasticizer, fire retardant that mixer is added and is kneaded, obtains rubber compound, wherein smelting temperature is set as 62 DEG C,
Dump temperature is 80 DEG C;
The mill of sizing material: rubber compound obtained by step 3 is placed in progress mill packet roller in two-roll mill, low by step 4
Add vulcanizing agent, Vulcanization accelerator TMTD at 48~52 DEG C of warm condition, turns refining, bottom sheet, for use;
Step 5, vulcanization sizing: by the mold of the merging vulcanizing equipment of sizing material piece obtained by step 4, carrying out vulcanizing treatment,
Wherein curing temperature obtains vulcanizate for 160 DEG C, sulfide stress 10MPa, vulcanization time 40min;
Step 6 demoulds deburring: demoulding processing will be carried out using release agent after the solidification cooling of vulcanizate obtained by step 5,
Rubber washer crude green body is obtained, the progress deburring of rubber washer crude green body is arrived into rubber washer finished product except thorn processing.
Specifically, the reinforcing agent is the mixture of white carbon black and attapulgite, the matter of the white carbon black and attapulgite
Amount is than being 8:1;The fire retardant is fire retardant FR -780;The anti-aging agent is antioxidant 4010NA;The lubricant is lubrication
Agent BR-1;The vulcanizing agent is industrial sulphur.
Rubber seal made from Examples 1 to 3 is carried out respectively test pressure, maximum operating force, operating pressure and
The dependence test of compression strength, test data are as shown in the table:
By the above test data it is found that the compression strength of rubber washer produced by the present invention and abrasion hardness are above commonly
Rubber washer, to keep its application range in each field more extensive.
Above embodiments are only exemplary embodiment of the present invention, are not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can within the spirit and scope of the present invention make respectively the present invention
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.
Claims (6)
1. a kind of wear-resistant pressure-resistant rubber washer and preparation method thereof, which is characterized in that the wear-resistant pressure-resistant rubber washer is by following
The raw material of mass fraction is prepared:
The preparation method of the wear-resistant pressure-resistant rubber washer the following steps are included:
Step 1, raw material weigh: carrying out weighing for each component raw material according to above-mentioned formula;
The pretreatment of raw material: step 2 environment-friendly plasticizer ATBC is poured into reinforcing agent and is uniformly mixed;
The mixing of sizing material: nitrile rubber is placed in mixer on kneading machine and carries out 5~10min of mixing, then by step 3
Even addition lubricant, stearic acid, nano zine oxide and anti-aging agent are tentatively kneaded, and are kneaded uniform;Again by calcium carbonate, be mixed with
Reinforcing agent, the fire retardant of plasticizer are added mixer and are kneaded, and obtain rubber compound, and wherein smelting temperature is set as 62 DEG C, row
Material temperature degree is 80 DEG C;
The mill of sizing material: rubber compound obtained by step 3 is placed in progress mill packet roller in two-roll mill, in low temperature item by step 4
Add vulcanizing agent, Vulcanization accelerator TMTD at 48~52 DEG C of part, turns refining, bottom sheet, for use;
Step 5, vulcanization sizing: by the mold of the merging vulcanizing equipment of sizing material piece obtained by step 4, carrying out vulcanizing treatment, wherein
Curing temperature is 160 DEG C, sulfide stress 10MPa, 30~40min of vulcanization time and obtains vulcanizate;
Step 6 demoulds deburring: will carry out demoulding processing using release agent after the solidification cooling of vulcanizate obtained by step 5, obtains
Then the progress deburring of rubber washer crude green body is arrived rubber washer finished product except thorn processing by rubber washer crude green body.
2. a kind of wear-resistant pressure-resistant rubber washer according to claim 1 and preparation method thereof, which is characterized in that the reinforcement
Agent is the mixture of white carbon black and attapulgite, and the mass ratio of the white carbon black and attapulgite is 3:1~8:1.
3. a kind of wear-resistant pressure-resistant rubber washer according to claim 1 and preparation method thereof, which is characterized in that described fire-retardant
Agent is fire retardant FR -780 or fire retardant FR -11.
4. a kind of wear-resistant pressure-resistant rubber washer according to claim 1 and preparation method thereof, which is characterized in that described anti-old
Agent is antioxidant 4010NA or antioxidant 4020.
5. a kind of wear-resistant pressure-resistant rubber washer according to claim 1 and preparation method thereof, which is characterized in that the lubrication
Agent is lubricant BR-1.
6. a kind of wear-resistant pressure-resistant rubber washer according to claim 1 and preparation method thereof, which is characterized in that the vulcanization
Agent is industrial sulphur.
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130072610A1 (en) * | 2010-08-25 | 2013-03-21 | Nok Corporation | NBR Composition and Sealing Rubber Material |
CN104163952A (en) * | 2014-07-16 | 2014-11-26 | 宁国天运橡塑制品有限公司 | Oil resistant gasket |
CN107746486A (en) * | 2017-10-19 | 2018-03-02 | 中国建筑材料科学研究总院 | Environment-friendly type low pressure becomes abrasive rubber packing ring |
CN107973944A (en) * | 2017-12-18 | 2018-05-01 | 温州瑞榕汽车零部件制造有限公司 | A kind of formula and preparation method of wear-resisting type packing ring |
-
2018
- 2018-09-27 CN CN201811132150.2A patent/CN109467765A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130072610A1 (en) * | 2010-08-25 | 2013-03-21 | Nok Corporation | NBR Composition and Sealing Rubber Material |
CN104163952A (en) * | 2014-07-16 | 2014-11-26 | 宁国天运橡塑制品有限公司 | Oil resistant gasket |
CN107746486A (en) * | 2017-10-19 | 2018-03-02 | 中国建筑材料科学研究总院 | Environment-friendly type low pressure becomes abrasive rubber packing ring |
CN107973944A (en) * | 2017-12-18 | 2018-05-01 | 温州瑞榕汽车零部件制造有限公司 | A kind of formula and preparation method of wear-resisting type packing ring |
Non-Patent Citations (1)
Title |
---|
韩长日等: "《橡塑助剂生产工艺与技术》", 30 November 2015, 科学技术文献出版社 * |
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