CN108485006A - A kind of winding insert seal rubber material and preparation method thereof - Google Patents
A kind of winding insert seal rubber material and preparation method thereof Download PDFInfo
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- CN108485006A CN108485006A CN201810337890.3A CN201810337890A CN108485006A CN 108485006 A CN108485006 A CN 108485006A CN 201810337890 A CN201810337890 A CN 201810337890A CN 108485006 A CN108485006 A CN 108485006A
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- rubber
- skeleton
- inner core
- silicon carbide
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
-
- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
-
- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- 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 winding insert seal rubber materials, including major ingredient and skeleton；The component of the major ingredient includes：Nitrile rubber, acrylic rubber, epoxy resin, trimellitate, alundum (Al2O3), polyimide resin, white carbon, anti-aging agent, sulphur；The skeleton includes flax fiber and silicon carbide inner core；The silicon carbide inner core is in plate body structure；The flax fiber is wrapped on the outside of silicon carbide inner core surrounding, forms skeleton.Structure of the invention intensity height and stable connection.
Description
Technical field
The present invention relates to a kind of winding insert seal rubber materials and preparation method thereof.
Background technology
Sealing article is the important foundation element of all kinds of machineries, and almost all of industrial department all be unable to do without it.Sealing member
How is the quality of part, is directly related to the service life and operating reliability of machine.If sealing element is with low quality, gently if bring
Loss and trouble, it will cause serious accidents for weight.Especially under the high environment of operating pressure, load that sealing ring is born compared with
Greatly, through being commonly encountered sealing element damaged condition in equipment running process, some sealing elements can only be using 1~2 month, even more
The short time, it is necessary to replace, the trouble brought to the continuous production of enterprise.Therefore, at present there is an urgent need to it is a kind of can be in high pressure
The rubber packing material of longer cycle is used under environment.
Invention content
In view of the deficiencies of the prior art mentioned above, problems solved by the invention is：There is provided that a kind of structural strength is high, connection
Firm caulking gum material and preparation method thereof.
To solve the above problems, the technical solution adopted by the present invention is as follows：
A kind of winding insert seal rubber material, including major ingredient and skeleton；The component of the major ingredient and the matter of each component
Measuring number includes：65~70 parts of nitrile rubber, 25~35 parts of acrylic rubber, 4~10 parts of epoxy resin, trimellitate
9~12 parts, 5~10 parts of alundum (Al2O3), 2~5 parts of polyimide resin, 7~9 parts of white carbon, 1~3 part of anti-aging agent, sulphur 3
~4 parts；The skeleton includes flax fiber and silicon carbide inner core；The silicon carbide inner core is in plate body structure；The Asia
Flaxen fiber is wrapped on the outside of silicon carbide inner core surrounding, forms skeleton；The skeleton is placed in inside major ingredient；The skeleton and major ingredient
Volume ratio be 1：8~1：12.
Further, the mass fraction of each component is in the major ingredient：68 parts of nitrile rubber, acrylic rubber 30
Part, 8 parts of epoxy resin, 10 parts of trimellitate, 5 parts of alundum (Al2O3), 3 parts of polyimide resin, 8 parts of white carbon, anti-aging agent 2
Part, 3 parts of sulphur.
Further, the flax fiber uniform winding is on the outside of the surrounding of silicon carbide inner core；The flax fiber and
The mass ratio of silicon carbide inner core is 1：8~1：10.
A kind of preparation method of winding insert seal rubber material, steps are as follows：
S1, the nitrile rubber by major ingredient, acrylic rubber, epoxy resin, trimellitate are weighed according to parts by weight, then
It is added in mixer and carries out mixing, obtain the good sizing material of mixing；
S2, the good sizing material of mixing is put into open mill, then weighs alundum (Al2O3), polyimides tree according to parts by weight
Fat, white carbon, anti-aging agent, sulphur are put into open mill and are kneaded, compression moulding, form preforming rubber；
S3, by flax fiber uniform winding on the outside of the surrounding of silicon carbide inner core, formed skeleton；
S4, taking the preforming rubber of two panels and skeleton to be placed on compounding machine, progress hot pressing is compound, and it is pre- to form preforming rubber-skeleton-
The sandwich caulking gum material structure of molded rubber；
S5, the sandwich caulking gum material structure of the preforming preforming rubber of rubber-skeleton-is put into vulcanizing equipment
In mold, vulcanizing treatment is carried out, caulking gum material is obtained after carrying out cutting deburring by cutting machine.
Further, each component is put into mixer 8~10min of mixing at 90~98 DEG C in the step S1.
Further, each component is kneaded 6~8min in open mill at 100~110 DEG C in the step S2.
Further, the winding spacing of flax fiber is the 1/10~1/8 of silicon carbide length of inner core in the step S3.
Further, the temperature of compounding machine is 80~100 DEG C in the step S4, and pressure is 8~12kg/cm2 ；Control carbonization
Silicon inner core edge extends to preforming rubber edge.
Further, the curing temperature in the step S5 is 160~170 DEG C, and vulcanization time is 25~35min, vulcanization pressure
Power is 15~25Mpa.
Beneficial effects of the present invention
The present invention changes the structure of traditional rubber seal, and the present invention is additionally arranged skeleton in the inside of rubber seal, and
And skeleton is made of flax fiber and silicon carbide inner core, the high mechanical strength of silicon carbide inner core, but silicon carbide inner core and glue
The cementability of material is too poor, and then the present invention is wound by flax fiber on the outside of silicon carbide inner core surrounding, is used as by flax fiber
Intermediate connection transition vector is increased and sizing material cementability so that sizing material and silicon carbide by the flax fiber of uniform winding formula
Inner core absorption bonding one, while flax fiber and silicon carbide inner core being encapsulated in inside sizing material, not only intensity obtains total
Promotion, and the more firm stable connected are arrived, the structure and preparation method of rubber seal of the invention belong to rubber
Sealing element field is initiated, and application prospect is extensive.
Specific implementation mode
The content of present invention is described in further detail below.
Embodiment 1
A kind of winding insert seal rubber material, including major ingredient and skeleton.The component of the major ingredient and the matter of each component
Measuring number includes：65 parts of nitrile rubber, 25 parts of acrylic rubber, 4 parts of epoxy resin, 9 parts of trimellitate, three oxidations two
5 parts of aluminium, 2 parts of polyimide resin, 7 parts of white carbon, 1 part of anti-aging agent, 3 parts of sulphur；The skeleton includes flax fiber and carbon
SiClx inner core；The silicon carbide inner core is in plate body structure；The flax fiber is wrapped on the outside of silicon carbide inner core surrounding, shape
At skeleton；The skeleton is placed in inside major ingredient；The volume ratio of the skeleton and major ingredient is 1：8.The flax fiber is uniform
It is wrapped on the outside of the surrounding of silicon carbide inner core；The mass ratio of the flax fiber and silicon carbide inner core is 1：8.
A kind of preparation method of winding insert seal rubber material, steps are as follows：
S1, the nitrile rubber by major ingredient, acrylic rubber, epoxy resin, trimellitate are weighed according to parts by weight, then
It is added in mixer and carries out mixing, obtain the good sizing material of mixing；Each component is put into mixer the mixing 8min at 90 DEG C.
S2, the good sizing material of mixing is put into open mill, then weighs alundum (Al2O3), polyimides according to parts by weight
Resin, white carbon, anti-aging agent, sulphur are put into open mill and are kneaded, compression moulding, form preforming rubber；Each component
In open mill 6min is kneaded at 100 DEG C.
S3, by flax fiber uniform winding on the outside of the surrounding of silicon carbide inner core, formed skeleton.Between the winding of flax fiber
Away from 1/10 for silicon carbide length of inner core.
S4, taking the preforming rubber of two panels and skeleton to be placed on compounding machine, progress hot pressing is compound, forms preforming rubber-bone
The sandwich caulking gum material structure of the preforming rubber of frame-；The temperature for controlling compounding machine is 80 DEG C, pressure 8kg/cm2 .Control
Preparing silicon carbide inner core edge extends to preforming rubber edge.
S5, the sandwich caulking gum material structure of the preforming preforming rubber of rubber-skeleton-is put into vulcanizing equipment
In mold in, carry out vulcanizing treatment, obtain caulking gum material after carrying out cutting deburring by cutting machine, curing temperature is
160 DEG C, vulcanization time 25min, sulfide stress 15Mpa.
Embodiment 2
A kind of winding insert seal rubber material, including major ingredient and skeleton.The component of the major ingredient and the matter of each component
Measuring number includes：68 parts of nitrile rubber, 30 parts of acrylic rubber, 8 parts of epoxy resin, 10 parts of trimellitate, three oxidations
Two 5 parts of aluminium, 3 parts of polyimide resin, 8 parts of white carbon, 2 parts of anti-aging agent, 3 parts of sulphur.The skeleton include flax fiber and
Silicon carbide inner core；The silicon carbide inner core is in plate body structure；The flax fiber is wrapped on the outside of silicon carbide inner core surrounding,
Form skeleton；The skeleton is placed in inside major ingredient；The volume ratio of the skeleton and major ingredient is 1：10.The flax fiber is equal
On the outside of the even surrounding for being wrapped in silicon carbide inner core；The mass ratio of the flax fiber and silicon carbide inner core is 1：9.
A kind of preparation method of winding insert seal rubber material, steps are as follows：
S1, the nitrile rubber by major ingredient, acrylic rubber, epoxy resin, trimellitate are weighed according to parts by weight, then
It is added in mixer and carries out mixing, obtain the good sizing material of mixing；Each component is put into mixer the mixing 9min at 95 DEG C.
S2, the good sizing material of mixing is put into open mill, then weighs alundum (Al2O3), polyimides according to parts by weight
Resin, white carbon, anti-aging agent, sulphur are put into open mill and are kneaded, compression moulding, form preforming rubber；Each component
In open mill 7min is kneaded at 105 DEG C.
S3, by flax fiber uniform winding on the outside of the surrounding of silicon carbide inner core, formed skeleton.Between the winding of flax fiber
Away from 1/9 for silicon carbide length of inner core.
S4, taking the preforming rubber of two panels and skeleton to be placed on compounding machine, progress hot pressing is compound, forms preforming rubber-bone
The sandwich caulking gum material structure of the preforming rubber of frame-；The temperature for controlling compounding machine is 90 DEG C, pressure 10kg/cm2 。
Control silicon carbide inner core edge extends to preforming rubber edge.
S5, the sandwich caulking gum material structure of the preforming preforming rubber of rubber-skeleton-is put into vulcanizing equipment
In mold in, carry out vulcanizing treatment, obtain caulking gum material after carrying out cutting deburring by cutting machine, curing temperature is
165 DEG C, vulcanization time 30min, sulfide stress 20Mpa.
Embodiment 3
A kind of winding insert seal rubber material, including major ingredient and skeleton.The component of the major ingredient and the matter of each component
Measuring number includes：70 parts of nitrile rubber, 35 parts of acrylic rubber, 10 parts of epoxy resin, 12 parts of trimellitate, three oxidations
Two aluminium 10,5 parts of polyimide resin, 9 parts of white carbon, 3 parts of anti-aging agent, 4 parts of sulphur；The skeleton includes flax fiber and carbon
SiClx inner core；The silicon carbide inner core is in plate body structure；The flax fiber is wrapped on the outside of silicon carbide inner core surrounding, shape
At skeleton；The skeleton is placed in inside major ingredient；The volume ratio of the skeleton and major ingredient is 1：12.The flax fiber is uniform
It is wrapped on the outside of the surrounding of silicon carbide inner core；The mass ratio of the flax fiber and silicon carbide inner core is 1：10.
A kind of preparation method of winding insert seal rubber material, steps are as follows：
S1, the nitrile rubber by major ingredient, acrylic rubber, epoxy resin, trimellitate are weighed according to parts by weight, then
It is added in mixer and carries out mixing, obtain the good sizing material of mixing；Each component is put into the mixing at 98 DEG C in mixer
10min。
S2, the good sizing material of mixing is put into open mill, then weighs alundum (Al2O3), polyimides according to parts by weight
Resin, white carbon, anti-aging agent, sulphur are put into open mill and are kneaded, compression moulding, form preforming rubber；Each component
In open mill 8min is kneaded at 110 DEG C.
S3, by flax fiber uniform winding on the outside of the surrounding of silicon carbide inner core, formed skeleton.Between the winding of flax fiber
Away from 1/8 for silicon carbide length of inner core.
S4, taking the preforming rubber of two panels and skeleton to be placed on compounding machine, progress hot pressing is compound, forms preforming rubber-bone
The sandwich caulking gum material structure of the preforming rubber of frame-；The temperature for controlling compounding machine is 100 DEG C, pressure 12kg/cm2 。
Control silicon carbide inner core edge extends to preforming rubber edge.
S5, the sandwich caulking gum material structure of the preforming preforming rubber of rubber-skeleton-is put into vulcanizing equipment
In mold in, carry out vulcanizing treatment, obtain caulking gum material after carrying out cutting deburring by cutting machine, curing temperature is
170 DEG C, vulcanization time 35min, sulfide stress 25Mpa.
The present invention changes the structure of traditional rubber seal, and the present invention is additionally arranged bone in the inside of rubber seal
Frame, and skeleton is made of flax fiber and silicon carbide inner core, the high mechanical strength of silicon carbide inner core, but silicon carbide inner core
Too poor with the cementability of sizing material, then the present invention is wound by flax fiber on the outside of silicon carbide inner core surrounding, passes through flax fiber
As intermediate connection transition vector, increased and sizing material cementability by the flax fiber of uniform winding formula so that sizing material and carbon
SiClx inner core absorption bonding one, while flax fiber and silicon carbide inner core being encapsulated in inside sizing material, total is not only strong
Degree is improved, and the more firm stable connected, and the structure and preparation method of rubber seal of the invention belong to
Rubber seal field is initiated, and application prospect is extensive.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (9)
1. a kind of winding insert seal rubber material, which is characterized in that including major ingredient and skeleton；The component of the major ingredient with
And the mass fraction of each component includes：65~70 parts of nitrile rubber, 25~35 parts of acrylic rubber, epoxy resin 4~10
Part, 9~12 parts of trimellitate, 5~10 parts of alundum (Al2O3), 2~5 parts of polyimide resin, 7~9 parts of white carbon, anti-aging agent
1~3 part, 3~4 parts of sulphur；The skeleton includes flax fiber and silicon carbide inner core；The silicon carbide inner core is in plate body knot
Structure；The flax fiber is wrapped on the outside of silicon carbide inner core surrounding, forms skeleton；The skeleton is placed in inside major ingredient；It is described
Skeleton and major ingredient volume ratio be 1：8~1：12.
2. winding insert seal rubber material according to claim 1, which is characterized in that each component in the major ingredient
Mass fraction be：68 parts of nitrile rubber, 30 parts of acrylic rubber, 8 parts of epoxy resin, 10 parts of trimellitate, three oxygen
Change 5 parts of two aluminium, 3 parts of polyimide resin, 8 parts of white carbon, 2 parts of anti-aging agent, 3 parts of sulphur.
3. winding insert seal rubber material according to claim 1, which is characterized in that the flax fiber is uniform
It is wrapped on the outside of the surrounding of silicon carbide inner core；The mass ratio of the flax fiber and silicon carbide inner core is 1：8~1：10.
4. a kind of preparation method of winding insert seal rubber material according to claims 1 to 3 any one, special
Sign is that steps are as follows：
S1, the nitrile rubber by major ingredient, acrylic rubber, epoxy resin, trimellitate are weighed according to parts by weight, then
It is added in mixer and carries out mixing, obtain the good sizing material of mixing；
S2, the good sizing material of mixing is put into open mill, then weighs alundum (Al2O3), polyimides tree according to parts by weight
Fat, white carbon, anti-aging agent, sulphur are put into open mill and are kneaded, compression moulding, form preforming rubber；
S3, by flax fiber uniform winding on the outside of the surrounding of silicon carbide inner core, formed skeleton；
S4, taking the preforming rubber of two panels and skeleton to be placed on compounding machine, progress hot pressing is compound, and it is pre- to form preforming rubber-skeleton-
The sandwich caulking gum material structure of molded rubber；
S5, the sandwich caulking gum material structure of the preforming preforming rubber of rubber-skeleton-is put into vulcanizing equipment
In mold, vulcanizing treatment is carried out, caulking gum material is obtained after carrying out cutting deburring by cutting machine.
5. the preparation method of winding insert seal rubber material according to claim 4, which is characterized in that the step
Each component is put into mixer 8~10min of mixing at 90~98 DEG C in S1.
6. the preparation method of winding insert seal rubber material according to claim 4, which is characterized in that the step
Each component is kneaded 6~8min in open mill at 100~110 DEG C in S2.
7. the preparation method of winding insert seal rubber material according to claim 4, which is characterized in that the step
The winding spacing of flax fiber is the 1/10~1/8 of silicon carbide length of inner core in S3.
8. the preparation method of winding insert seal rubber material according to claim 4, which is characterized in that the step
The temperature of compounding machine is 80~100 DEG C in S4, and pressure is 8~12kg/cm2 , control silicon carbide inner core edge extends to pre-
Molded rubber edge.
9. the preparation method of winding insert seal rubber material according to claim 4, which is characterized in that the step
Curing temperature in S5 is 160~170 DEG C, and vulcanization time is 25~35min, and sulfide stress is 15~25Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810337890.3A CN108485006A (en) | 2018-04-16 | 2018-04-16 | A kind of winding insert seal rubber material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810337890.3A CN108485006A (en) | 2018-04-16 | 2018-04-16 | A kind of winding insert seal rubber material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN108485006A true CN108485006A (en) | 2018-09-04 |
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| CN201810337890.3A Pending CN108485006A (en) | 2018-04-16 | 2018-04-16 | A kind of winding insert seal rubber material and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103589030A (en) * | 2013-11-22 | 2014-02-19 | 无锡市威海达机械制造有限公司 | Rubber sealing material |
| CN103642164A (en) * | 2013-11-12 | 2014-03-19 | 铜陵市肆得科技有限责任公司 | Rubber gasket material with good sealing performance and wear resistance and preparation method thereof |
| CN103665476A (en) * | 2013-09-05 | 2014-03-26 | 安徽省科林电子有限公司 | Butyronitrile/acrylate rubber sealing gasket for transformer and preparation method thereof |
| CN104893105A (en) * | 2015-06-24 | 2015-09-09 | 司徒建辉 | Electric-insulating sealing ring |
-
2018
- 2018-04-16 CN CN201810337890.3A patent/CN108485006A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103665476A (en) * | 2013-09-05 | 2014-03-26 | 安徽省科林电子有限公司 | Butyronitrile/acrylate rubber sealing gasket for transformer and preparation method thereof |
| CN103642164A (en) * | 2013-11-12 | 2014-03-19 | 铜陵市肆得科技有限责任公司 | Rubber gasket material with good sealing performance and wear resistance and preparation method thereof |
| CN103589030A (en) * | 2013-11-22 | 2014-02-19 | 无锡市威海达机械制造有限公司 | Rubber sealing material |
| CN104893105A (en) * | 2015-06-24 | 2015-09-09 | 司徒建辉 | Electric-insulating sealing ring |
Non-Patent Citations (2)
| Title |
|---|
| 吕百龄等: "《实用橡胶手册》", 31 July 2001, 化学工业出版社 * |
| 李永河等: "《橡胶硫化技术》", 31 May 2012, 黄河水利出版社 * |
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Application publication date: 20180904 |