CN107936391A - A kind of modified butyl rubber - Google Patents
A kind of modified butyl rubber Download PDFInfo
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- CN107936391A CN107936391A CN201711268987.5A CN201711268987A CN107936391A CN 107936391 A CN107936391 A CN 107936391A CN 201711268987 A CN201711268987 A CN 201711268987A CN 107936391 A CN107936391 A CN 107936391A
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- butyl rubber
- modified butyl
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- antioxidant
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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
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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 modified butyl rubber, each component and mass percent are as follows in raw material, butyl rubber 33 40%；Clay 23 32%；Carbon black 8 17%；Resin 4 12%；Zinc oxide 1 4%；Stearic acid 1.5 3%；Talcum powder 4 10%；Antioxidant 1 3%.The present invention has the following advantages and effects：Using antioxidant is added in modified butyl rubber, anti ageing property is improved, secondly, add clay and stearic acid, the effect between butyl rubber and antioxidant can be strengthened, improve the shortcomings that butyl rubber blended characteristic is poor so that antioxidant can significantly improve the ageing-resistant performance of modified butyl rubber；Carbon black is added in modified butyl rubber, carbon black plays the role of toughness reinforcing, reinforcement, reached good ageing-resistant performance, chemical stability, extend modified butyl rubber service life effect.
Description
Technical field
The present invention relates to rubber field, more particularly to a kind of modified butyl rubber.
Background technology
Capacitor is a kind of device for accommodating electric charge, is one of electronic component largely used in electronic equipment, extensively should
For separated by direct communication, coupling, bypass, filtering etc. in circuit.Capacitor when in use, is usually assemblied in rubber seal plug
On capacitor, insulation and sealing function are played.Butyl rubber is a kind of synthetic rubber for being usually used in preparing rubber seal plug, by different
Butylene and the synthesis of a small amount of isoprene, have good air-tightness and watertightness.
Application publication number is that the Chinese patent of CN104961982A discloses a kind of modified butyl rubber, for butyl rubber
Easily occur fracture damage in use and easily occur the phenomenon decomposed at a certain temperature, in modified butyl rubber
Weather resisting agent, heat stabilizer, toughener etc. are added, improves the ageing-resistant and heat-resistant stability of modified butyl rubber.
But above-mentioned modified butyl rubber is there are problems with, butyl rubber in itself there are blended it is poor the problem of, with it
Effect between his component is weak, although adding weather resisting agent, heat stabilizer, weather resisting agent and heat stabilizer and fourth in modified butyl rubber
Acted between base rubber weak, it is impossible to improve the ageing-resistant performance of modified butyl rubber well.
The content of the invention
The object of the present invention is to provide a kind of modified butyl rubber, the effect with excellent ageing-resistant performance.
The present invention above-mentioned technical purpose technical scheme is that：A kind of modified butyl rubber, is pressed
Mass percent meter, each component and content are as follows in raw material, butyl rubber 33-40%；Clay 23-32%；Carbon black 8-17%；Tree
Fat 4-12%；Zinc oxide 1-4%；Stearic acid 1.5-3%；Talcum powder 4-10%；Antioxidant 1-3%.
By using above-mentioned technical proposal, rubber can be gradually lowered so that with the extension of usage time, its performance
Use value is completely lost, this process is called aging.Using antioxidant is added in butyl rubber, antioxidant refers to the present invention
Can prevent or inhibit the factors such as oxygen, heat, light destroy properties of product, extend products-supply and practicality compounding agent, play prevent or
Suppress the effect of aging.
Since butyl rubber has the shortcomings that blended characteristic is poor in itself, clay is added in modified butyl rubber, clay is
A kind of good clay of plasticity, mineralogical composition is complicated, has water imbibition and adsorptivity, clay is added in modified butyl rubber
Afterwards, after mixing, butyl rubber and antioxidant are bonded together by clay for butyl rubber, antioxidant, clay, can substantially be changed
The blending effect of kind butyl rubber and antioxidant.
Stearic acid is added in modified butyl rubber, while stearic acid is as toughener, moreover it is possible to as emulsifying agent, promote anti-
Old agent, carbon black etc. are dispersed in modified butyl rubber, strengthen the active force between antioxidant and butyl rubber, stearic acid can be with pottery
Soil plays synergistic effect, and the common active force strengthened between butyl rubber and antioxidant, improves butyl rubber and prevent old
The blending effect of agent, improves the ageing-resistant performance of modified butyl rubber.
The further setting of the present invention is：By mass percentage, component and content are as follows in raw material, butyl rubber 35-
37%；Clay 25-30%.
By using above-mentioned technical proposal, the content of butyl rubber is 35-37%, and the content of clay is 25-30, butyl rubber
The content of glue and clay is suitable.
The further setting of the present invention is：Each component and content are as follows in raw material, carbon black 10-15%；Resin 5-10%.
By using above-mentioned technical proposal, carbon black is a kind of amorphous carbon, light, pine and superfine black powder, is added to
In modified butyl rubber, strengthening action is played.
The further setting of the present invention is：Following components and content, resin 5-10% are further included in raw material.
By using above-mentioned technical proposal, resin is added in modified butyl rubber, resin is that a kind of relative molecular weight is usual
Higher organic substance, resin can promote butyl rubber bonding with antioxidant, carbon black, talcum powder etc..
The further setting of the present invention is：Include terpene resin, one kind in furane resins or more in the resin raw material
Kind.
By using above-mentioned technical proposal, terpene resin is that natural Turpentine is process, have low smell, high rigidity,
The good effect of high adhesion force, inoxidizability and thermostabilization, has excellent compatibility, weatherability and Efficient Adhesive Promotion.Furane resins
Refer to the general name for making the resinae of raw material production with the furfuryl alcohol with furan nucleus and furfural, there is good compatibility.Terpenes tree
After fat, furane resins are added in modified butyl rubber, the bonding of butyl rubber and antioxidant, terpene resin, furans can be promoted
Resin can play the effect of synergy with clay.
The further setting of the present invention is：Include sodium p-octadecyl toluene sulfonate in the resin raw material.
By using above-mentioned technical proposal, sodium p-octadecyl toluene sulfonate is a kind of surfactant, and character is in oily liquid
Body, is added in modified butyl rubber, can significantly improve the problem of butyl rubber blended is poor, strengthens butyl rubber and antioxidant
Between connection.
The further setting of the present invention is：Include polysorbate, the smooth trioleate of sorb, alkyl Portugal in the resin raw material
One kind in glucosides.
By using above-mentioned technical proposal, polysorbate appearance is in faint yellow to orange-yellow thick liquid, industrially
Be commonly used for emulsifying agent, the smooth trioleate of sorb is one kind of nonionic surfactant, alkyl-glucoside be also it is a kind of it is non-from
Sub- surfactant, has stable, nontoxic, low stimulation a little, and the smooth trioleate of polysorbate, sorb, alkyl glycosides add
After in resin, the blending between resin, clay, antioxidant, butyl rubber can be improved, strengthen the active force between each component,
The anti ageing property of modified butyl is further improved, extends the service life of modified butyl rubber.
The further setting of the present invention is：The antioxidant chemical formula is (C12H15N)n。
By using above-mentioned technical proposal, antioxidant chemical formula is (C12H15N) n, in amber to light brown graininess,
It is added in modified butyl rubber, the ageing-resistant performance of modified butyl rubber can be significantly improved, extends making for modified butyl rubber
Use the service life.
In conclusion the invention has the advantages that：Using antioxidant is added in modified butyl rubber, improve anti-
Ageing properties, secondly, add clay and stearic acid, can strengthen the effect between butyl rubber and antioxidant, improve butyl rubber
The shortcomings that blended characteristic is poor so that antioxidant can significantly improve the ageing-resistant performance of modified butyl rubber；In modified butyl rubber
Carbon black is added, carbon black plays the role of toughness reinforcing, reinforcement, has reached good ageing-resistant performance, chemical stability, has extended modified fourth
The effect of the service life of base rubber.
Embodiment
Embodiment 1：A kind of modified butyl rubber, by mass percentage, each component and content are as shown in table 1 in raw material,
Resin is terpene resin, and the chemical formula of antioxidant is (C12H15N)n。
Above-mentioned modified butyl rubber preparation method is as follows, after each component in modified butyl rubber raw material is mixed, is added to
In kneading machine, 0.5-1h is kneaded at 80-90 DEG C, modified butyl rubber is obtained after plastic emitting.
Embodiment 2：A kind of modified butyl rubber, is with the difference of embodiment 1, by mass percentage, raw material
Interior each component and content are as shown in table 1.
Embodiment 3：A kind of modified butyl rubber, is with the difference of embodiment 1, by mass percentage, raw material
Interior each component and content are as shown in table 1, and resin is furane resins.
Embodiment 4：A kind of modified butyl rubber, is with the difference of embodiment 1, by mass percentage, raw material
Interior each component and content are as shown in table 1, and resin is furane resins.
Embodiment 5：A kind of modified butyl rubber, is with the difference of embodiment 1, by mass percentage, raw material
Interior each component and content are as shown in table 1, and resin is furane resins.
Embodiment 6：A kind of modified butyl rubber, by mass percentage, each component and content are as shown in table 1 in raw material,
The chemical formula of antioxidant is (C12H15N) n, resin include terpene resin, sodium p-octadecyl toluene sulfonate.Process for preparing resins is such as
Under, count in parts by weight, weigh 10 parts of terpene resins, 3 parts of sodium p-octadecyl toluene sulfonates, be uniformly mixed at 75-90 DEG C.
Above-mentioned modified butyl rubber preparation method is as follows, after each component in modified butyl rubber raw material is mixed, is added to
In kneading machine, 0.5-1h is kneaded at 80-90 DEG C, modified butyl rubber is obtained after plastic emitting.
Embodiment 7：A kind of modified butyl rubber, difference lies in resin includes terpene resin, octadecane with embodiment 6
Base toluenesulfonic acid sodium salt, polysorbate, process for preparing resins is as follows, counts in parts by weight, weigh 10 parts of terpene resins, 3 part 18
Alkyl toluene sulfonic acids sodium, 3 parts of polysorbates, are uniformly mixed at 75-90 DEG C.
Embodiment 8：A kind of modified butyl rubber, difference lies in resin includes terpene resin, octadecane with embodiment 6
The smooth trioleate of base toluenesulfonic acid sodium salt, sorb, process for preparing resins is as follows, counts in parts by weight, weighs 10 parts of terpene resins, 3
Part sodium p-octadecyl toluene sulfonate, 3 parts of smooth trioleates of sorb, are uniformly mixed at 75-90 DEG C.
Embodiment 9：A kind of modified butyl rubber, difference lies in resin includes terpene resin, octadecane with embodiment 6
Base toluenesulfonic acid sodium salt, alkyl glucoside, process for preparing resins is as follows, counts in parts by weight, weigh 10 parts of terpene resins, 3 part ten
Eight alkyl toluene sulfonic acids sodium, 3 parts of alkyl glucosides, are uniformly mixed at 75-90 DEG C.
Embodiment 10：A kind of modified butyl rubber, by mass percentage, each component and content are as shown in table 1 in raw material,
The chemical formula of antioxidant is (C12H15N) n, resin include furane resins, sodium p-octadecyl toluene sulfonate.Process for preparing resins is such as
Under, count in parts by weight, weigh 10 parts of furane resins, 3 parts of sodium p-octadecyl toluene sulfonates, be uniformly mixed at 75-90 DEG C.
Above-mentioned modified butyl rubber preparation method is as follows, after each component in modified butyl rubber raw material is mixed, is added to
In kneading machine, 0.5-1h is kneaded at 80-90 DEG C, modified butyl rubber is obtained after plastic emitting.
Embodiment 11：A kind of modified butyl rubber, difference lies in resin includes furane resins, 18 with embodiment 10
Alkyl toluene sulfonic acids sodium, polysorbate, process for preparing resins is as follows, counts in parts by weight, weigh 10 parts of furane resins, 3 part ten
Eight alkyl toluene sulfonic acids sodium, 3 parts of polysorbates, are uniformly mixed at 75-90 DEG C.
Embodiment 12：A kind of modified butyl rubber, difference lies in resin includes furane resins, 18 with embodiment 10
The smooth trioleate of alkyl toluene sulfonic acids sodium, sorb, process for preparing resins is as follows, counts in parts by weight, weigh 10 parts of furane resins,
3 parts of sodium p-octadecyl toluene sulfonates, 3 parts of smooth trioleates of sorb, are uniformly mixed at 75-90 DEG C.
Embodiment 13：A kind of modified butyl rubber, difference lies in resin includes furane resins, 18 with embodiment 10
Alkyl toluene sulfonic acids sodium, alkyl glucoside, process for preparing resins is as follows, counts in parts by weight, weigh 10 parts of furane resins, 3 parts
Sodium p-octadecyl toluene sulfonate, 3 parts of alkyl glucosides, are uniformly mixed at 75-90 DEG C.
Comparative example 1：A kind of modified butyl rubber, is with the difference of embodiment 1, by mass percentage, raw material
Interior each component and content are as shown in table 1.
Comparative example 2：A kind of modified butyl rubber, is with the difference of embodiment 3, by mass percentage, raw material
Interior each component and content are as shown in table 1.
Comparative example 3：A kind of modified butyl rubber, is with the difference of embodiment 1, by mass percentage, raw material
Interior each component and content are as shown in table 1.
Comparative example 4：A kind of modified butyl rubber, is with the difference of embodiment 3, by mass percentage, raw material
Interior each component and content are as shown in table 1.
Comparative example 5：A kind of modified butyl rubber, is with the difference of embodiment 1, by mass percentage, raw material
Interior each component and content are as shown in table 1.
Comparative example 6：A kind of modified butyl rubber, is with the difference of embodiment 3, by mass percentage, raw material
Interior each component and content are as shown in table 1.
Table 1
| Butyl rubber | Clay | Carbon black | Resin | Zinc oxide | Stearic acid | Talcum powder | Antioxidant | |
| Embodiment 1 | 40.0% | 30.0% | 8.0% | 4.0% | 4.0% | 1.5% | 10.0% | 2.5% |
| Embodiment 2 | 37.0% | 25.0% | 17.0% | 5.0% | 3.0% | 3.0% | 9.0% | 1.0% |
| Embodiment 3 | 33.0% | 32.0% | 15.0% | 10.0% | 3.0% | 2.0% | 4.0% | 1.0% |
| Embodiment 4 | 38.0% | 23.0% | 10.0% | 12.0% | 1.0% | 3.0% | 10.0% | 3.0% |
| Embodiment 5 | 35.0% | 26.0% | 10.0% | 12.0% | 1.0% | 3.0% | 10.0% | 3.0% |
| Embodiment 6 | 40.0% | 30.0% | 8.0% | 4.0% | 4.0% | 1.5% | 10.0% | 2.5% |
| Embodiment 7 | 40.0% | 30.0% | 8.0% | 4.0% | 4.0% | 1.5% | 10.0% | 2.5% |
| Embodiment 8 | 40.0% | 30.0% | 8.0% | 4.0% | 4.0% | 1.5% | 10.0% | 2.5% |
| Embodiment 9 | 40.0% | 30.0% | 8.0% | 4.0% | 4.0% | 1.5% | 10.0% | 2.5% |
| Embodiment 10 | 33.0% | 32.0% | 15.0% | 10.0% | 3.0% | 2.0% | 4.0% | 1.0% |
| Embodiment 11 | 33.0% | 32.0% | 15.0% | 10.0% | 3.0% | 2.0% | 4.0% | 1.0% |
| Embodiment 12 | 33.0% | 32.0% | 15.0% | 10.0% | 3.0% | 2.0% | 4.0% | 1.0% |
| Embodiment 13 | 33.0% | 32.0% | 15.0% | 10.0% | 3.0% | 2.0% | 4.0% | 1.0% |
| Comparative example 1 | 70.0% | 0.0% | 8.0% | 4.0% | 4.0% | 1.5% | 10.0% | 2.5% |
| Comparative example 2 | 65.0% | 0.0% | 15.0% | 10.0% | 3.0% | 2.0% | 4.0% | 1.0% |
| Comparative example 3 | 41.5% | 30.0% | 8.0% | 4.0% | 4.0% | 0.0% | 10.0% | 2.5% |
| Comparative example 4 | 35.0% | 32.0% | 15.0% | 10.0% | 3.0% | 0.0% | 4.0% | 1.0% |
| Comparative example 5 | 71.5% | 0.0% | 8.0% | 4.0% | 4.0% | 0.0% | 10.0% | 2.5% |
| Comparative example 6 | 67.0% | 0.0% | 15.0% | 10.0% | 3.0% | 0.0% | 4.0% | 1.0% |
Ageing-resistant performance is tested：By the sample in each embodiment and comparative example according to GB/T3512-2001 in GT-7017 types
Thermal aging test is carried out in blowing-type thermo-oxidative ageing case, respectively in room temperature, 180 DEG C/24h, the stretchings of 180 DEG C/48h determination samples
Intensity, tear resistance, stretching strength determination refer to GBT 528-1999, and tear resistance measure refers to GB/T529-1999, electronics
Puller system draw speed is 500mm/min, and test result is listed in table 2.
Table 2
Table 2- continues
Table 2- continues
Specific embodiment is only explanation of the invention, it is not limitation of the present invention, those skilled in the art
The modification of no creative contribution can be made to the present embodiment as needed after this specification is read, but as long as in this hair
All protected in bright right be subject to Patent Law.
Claims (8)
1. a kind of modified butyl rubber, by mass percentage, each component and content are as follows in raw material,
A kind of 2. modified butyl rubber according to claim 1, it is characterised in that：By mass percentage, it is each in raw material
Component and content are as follows, butyl rubber 35-37%；Clay 25-30%.
A kind of 3. modified butyl rubber according to claim 1, it is characterised in that：By mass percentage, it is each in raw material
Component and content are as follows, carbon black 10-15%；Resin 5-10%.
A kind of 4. modified butyl rubber according to claim 3, it is characterised in that：By mass percentage, in raw material also
Including following components and content, resin 5-10%.
A kind of 5. modified butyl rubber according to claim 1, it is characterised in that：Include terpenes tree in the resin raw material
One or more in fat, furane resins.
A kind of 6. modified butyl rubber according to claim 5, it is characterised in that：Include octadecane in the resin raw material
Base toluenesulfonic acid sodium salt.
A kind of 7. modified butyl rubber according to claim 6, it is characterised in that：Include poly- sorb in the resin raw material
One kind in the smooth trioleate of ester, sorb, alkyl glucoside.
A kind of 8. modified butyl rubber according to claim 1, it is characterised in that：The antioxidant chemical formula is
(C12H15N)n。
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| CN201711268987.5A CN107936391A (en) | 2017-12-05 | 2017-12-05 | A kind of modified butyl rubber |
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| CN201711268987.5A CN107936391A (en) | 2017-12-05 | 2017-12-05 | A kind of modified butyl rubber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112143132A (en) * | 2020-09-24 | 2020-12-29 | 杭州临安森源电缆有限公司 | PVC sheath material for elevator flat wire sheath core wire and preparation method thereof |
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| CN112143132A (en) * | 2020-09-24 | 2020-12-29 | 杭州临安森源电缆有限公司 | PVC sheath material for elevator flat wire sheath core wire and preparation method thereof |
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Application publication date: 20180420 |