CN103992642A - Polysulfide-rubber sealant - Google Patents
Polysulfide-rubber sealant Download PDFInfo
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- CN103992642A CN103992642A CN201410178921.7A CN201410178921A CN103992642A CN 103992642 A CN103992642 A CN 103992642A CN 201410178921 A CN201410178921 A CN 201410178921A CN 103992642 A CN103992642 A CN 103992642A
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- polysulfide rubber
- rubber sealant
- resol
- white carbon
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Abstract
A disclosed polysulfide-rubber sealant comprises the raw materials in parts by weight: 95-105 parts of liquid polysulfide rubber, 30-37 parts of dibutyl phthalate, 9-13 parts of phenolic resin, 28-33 parts of light calcium carbonate, 2-4 parts of white carbon black, 28-34 parts of alumina silicate, 7-12 parts of titanium dioxide, 0.3-0.8 part of sulfur, 3-5 parts of lead dioxide and 4-8 parts of stearic acid. The polysulfide-rubber sealant is good in ductility, convenient to construct and benefit for usage by a user; the polysulfide-rubber sealant employs liquid polysulfide rubber as the main raw material and employs other auxiliary materials, so that the polysulfide-rubber sealant integrally still possesses water resistance, heat resistance and atmosphere aging resistance, and is applicable to sealing of hollow glass and plastics-steel doors and windows in practical application.
Description
Technical field
The present invention relates to seal gum technical field, relate in particular to a kind of polysulfide rubber sealant.
Background technology
Seal gum is a kind ofly along with trim shape, to be out of shape, and is difficult for trickling, has certain close-burning sealing material, is for filling configuration gap to play the tackiness agent of sealing function.Conventionally the dope of the dryness such as natural resin, synthetic resins, natural rubber, synthetic rubber and pitch thing or non-dryness of take is base-material, coordinate the inert fillers such as talcum powder, titanium dioxide, carclazyte, carbon black and asbestos, then add the auxiliary agents such as solvent, softening agent, solidifying agent, promotor to make.Sealing agent of the prior art is used for building trade, especially the sealing of double glazing and plastic-steel door and window, there is bonding, sealing, waterproof, the effect such as heat insulation, but be often subject to the effect of environmental factors, sealing agent of the prior art is often because stiction force is excessive, denseness is high, thereby makes user of service be difficult to use.
Summary of the invention
The technical problem that basic background technology exists, the present invention proposes a kind of polysulfide rubber sealant, ductility is good, staff's easy construction, and have that good resistance to fuel oil, hydraulic pressure resistant are oily, water-fast, heat-resisting, resistance to weathering energy and corrosion resistant performance.
A kind of polysulfide rubber sealant that the present invention proposes, raw material comprises by weight: liquid polysulfide rubber 95-105 part, dibutylester 30-37 part, resol 9-13 part, light calcium carbonate 28-33 part, white carbon black 2-4 part, pure aluminium silicate 28-34 part, titanium dioxide 7-12 part, Sulfur 0.3-0.8 part, plumbic oxide 3-5 part, stearic acid 4-8 part; By liquid polysulfide rubber, dibutylester, resol, light calcium carbonate, white carbon black, pure aluminium silicate, titanium dioxide and Sulfur send in kneader, carry out once mixing, then moving into planet mixing machine, to carry out secondary mixing, remove low-boiling-point substance, through vacuumizing and defoaming, obtain sizing material A; Plumbic oxide, stearic acid are sent into and in kneader, carried out once mixingly, then move into planet mixing machine and carry out the mixing sizing material B that obtains of secondary; Take by weight 93-105 part sizing material A and sizing material 9-13 part sizing material B mixes, then send in vacuum chamber and vulcanize and obtain polysulfide rubber sealant, wherein vacuum chamber negative pressure is 0.4-0.6MPa.
Preferably, in described raw material, the mass ratio of liquid polysulfide rubber, dibutylester and resol is 95-100:30-35:10.
Preferably, raw material comprises by weight: liquid polysulfide rubber 95-100 part, dibutylester 30-35 part, 10 parts, resol, light calcium carbonate 28-33 part, white carbon black 2-4 part, pure aluminium silicate 28-34 part, titanium dioxide 7-12 part, Sulfur 0.3-0.8 part, plumbic oxide, stearic acid.
Preferably, in described raw material, the mass ratio of white carbon black, pure aluminium silicate, titanium dioxide is (2-4): (30-32): (10-12).
Preferably, raw material comprises by weight: liquid polysulfide rubber 95-100 part, dibutylester 30-35 part, 10 parts, resol, light calcium carbonate 28-33 part, white carbon black 2-4 part, pure aluminium silicate 30-32 part, titanium dioxide 10-12 part, Sulfur 0.3-0.8 part, plumbic oxide, stearic acid.
Preferably, raw material comprises by weight: 100 parts of liquid polysulfide rubbers, 35 parts of dibutylesters, 10 parts, resol, 30 parts of light calcium carbonates, 3 parts of white carbon blacks, 30 parts of pure aluminium silicate, 10 parts of titanium dioxides, 0.5 part of Sulfur, plumbic oxide, stearic acid.
The present invention adopts liquid polysulfide rubber as major ingredient, using dibutylester as softening agent, and cooperation adds appropriate resol, goods resistance to air loss is excellent, resistance to weathering is good, shock-resistance, lower temperature resistance excellent performance, and the ductility of seal gum is also better, staff's easy construction more gears to actual circumstances goods in the use of double glazing and plastic-steel door and window sealing; In said components, add appropriate light calcium carbonate, white carbon black, pure aluminium silicate and titanium dioxide, cost-saving, strengthening action is obvious, add dibutylester, stearic acid, Sulfur and plumbic oxide and rationally control proportioning, can be in the plastic while that strengthens goods, goods degree of crosslinking is high, and elastic strength also maintains higher level; In the present invention, described polysulfide rubber sealant ductility is good, staff's easy construction, and it is water-fast, heat-resisting, resistance to weathering can be more excellent, can be widely used in the sealing of double glazing and plastic-steel door and window.
Embodiment
A kind of polysulfide rubber sealant that the present invention proposes, raw material comprises by weight: liquid polysulfide rubber 95-105 part, dibutylester 30-37 part, resol 9-13 part, light calcium carbonate 28-33 part, white carbon black 2-4 part, pure aluminium silicate 28-34 part, titanium dioxide 7-12 part, Sulfur 0.3-0.8 part, plumbic oxide 3-5 part, stearic acid 4-8 part; By liquid polysulfide rubber, dibutylester, resol, light calcium carbonate, white carbon black, pure aluminium silicate, titanium dioxide and Sulfur send in kneader, carry out once mixing, then moving into planet mixing machine, to carry out secondary mixing, remove low-boiling-point substance, through vacuumizing and defoaming, obtain sizing material A; Plumbic oxide, stearic acid are sent into and in kneader, carried out once mixingly, then move into planet mixing machine and carry out the mixing sizing material B that obtains of secondary; Take by weight 93-105 part sizing material A and sizing material 9-13 part sizing material B mixes, then send in vacuum chamber and vulcanize and obtain polysulfide rubber sealant, wherein vacuum chamber negative pressure is 0.4-0.6MPa.
Embodiment 1
A kind of polysulfide rubber sealant that the present invention proposes, raw material comprises by weight: 95 parts of liquid polysulfide rubbers, 30 parts of dibutylesters, 9 parts, resol, 28 parts of light calcium carbonates, 2 parts of white carbon blacks, 28 parts of pure aluminium silicate, 7 parts of titanium dioxides, 0.3 part of Sulfur, plumbic oxide 3-5 part, stearic acid 4-8 part; By liquid polysulfide rubber, dibutylester, resol, light calcium carbonate, white carbon black, pure aluminium silicate, titanium dioxide and Sulfur send in kneader, carry out once mixing, then moving into planet mixing machine, to carry out secondary mixing, remove low-boiling-point substance, through vacuumizing and defoaming, obtain sizing material A; Plumbic oxide, stearic acid are sent into and in kneader, carried out once mixingly, then move into planet mixing machine and carry out the mixing sizing material B that obtains of secondary; Take by weight 9 parts of sizing material B of 93 parts of sizing material A and sizing material and mix, then send in vacuum chamber and vulcanize and obtain polysulfide rubber sealant, wherein vacuum chamber negative pressure is 0.4MPa.
Embodiment 2
A kind of polysulfide rubber sealant that the present invention proposes, raw material comprises by weight: 105 parts of liquid polysulfide rubbers, 37 parts of dibutylesters, 13 parts, resol, 33 parts of light calcium carbonates, 4 parts of white carbon blacks, 34 parts of pure aluminium silicate, 12 parts of titanium dioxides, 0.8 part of Sulfur, plumbic oxide 3-5 part, stearic acid 4-8 part; By liquid polysulfide rubber, dibutylester, resol, light calcium carbonate, white carbon black, pure aluminium silicate, titanium dioxide and Sulfur send in kneader, carry out once mixing, then moving into planet mixing machine, to carry out secondary mixing, remove low-boiling-point substance, through vacuumizing and defoaming, obtain sizing material A; Plumbic oxide, stearic acid are sent into and in kneader, carried out once mixingly, then move into planet mixing machine and carry out the mixing sizing material B that obtains of secondary; Take by weight 13 parts of sizing material B of 105 parts of sizing material A and sizing material and mix, then send in vacuum chamber and vulcanize and obtain polysulfide rubber sealant, wherein vacuum chamber negative pressure is 0.6MPa.
Embodiment 3
A kind of polysulfide rubber sealant that the present invention proposes, raw material comprises by weight: 97 parts of liquid polysulfide rubbers, 32 parts of dibutylesters, 10 parts, resol, 29 parts of light calcium carbonates, 2.5 parts of white carbon blacks, 29 parts of pure aluminium silicate, 8 parts of titanium dioxides, 0.4 part of Sulfur, plumbic oxide 3-5 part, stearic acid 4-8 part; By liquid polysulfide rubber, dibutylester, resol, light calcium carbonate, white carbon black, pure aluminium silicate, titanium dioxide and Sulfur send in kneader, carry out once mixing, then moving into planet mixing machine, to carry out secondary mixing, remove low-boiling-point substance, through vacuumizing and defoaming, obtain sizing material A; Plumbic oxide, stearic acid are sent into and in kneader, carried out once mixingly, then move into planet mixing machine and carry out the mixing sizing material B that obtains of secondary; Take by weight 10 parts of sizing material B of 95 parts of sizing material A and sizing material and mix, then send in vacuum chamber and vulcanize and obtain polysulfide rubber sealant, wherein vacuum chamber negative pressure is 0.5MPa.
Embodiment 4
A kind of polysulfide rubber sealant that the present invention proposes, raw material comprises by weight: 103 parts of liquid polysulfide rubbers, 36 parts of dibutylesters, 12 parts, resol, 31 parts of light calcium carbonates, 3.5 parts of white carbon blacks, 32 parts of pure aluminium silicate, 11 parts of titanium dioxides, 0.7 part of Sulfur, plumbic oxide 3-5 part, stearic acid 4-8 part; By liquid polysulfide rubber, dibutylester, resol, light calcium carbonate, white carbon black, pure aluminium silicate, titanium dioxide and Sulfur send in kneader, carry out once mixing, then moving into planet mixing machine, to carry out secondary mixing, remove low-boiling-point substance, through vacuumizing and defoaming, obtain sizing material A; Plumbic oxide, stearic acid are sent into and in kneader, carried out once mixingly, then move into planet mixing machine and carry out the mixing sizing material B that obtains of secondary; Take by weight 12 parts of sizing material B of 103 parts of sizing material A and sizing material and mix, then send in vacuum chamber and vulcanize and obtain polysulfide rubber sealant, wherein vacuum chamber negative pressure is 0.6MPa.
Embodiment 5
A kind of polysulfide rubber sealant that the present invention proposes, raw material comprises by weight: 100 parts of liquid polysulfide rubbers, 35 parts of dibutylesters, 10 parts, resol, 30 parts of light calcium carbonates, 3 parts of white carbon blacks, 30 parts of pure aluminium silicate, 10 parts of titanium dioxides, 0.5 part of Sulfur, plumbic oxide, stearic acid; By liquid polysulfide rubber, dibutylester, resol, light calcium carbonate, white carbon black, pure aluminium silicate, titanium dioxide and Sulfur send in kneader, carry out once mixing, then moving into planet mixing machine, to carry out secondary mixing, remove low-boiling-point substance, through vacuumizing and defoaming, obtain sizing material A; Plumbic oxide, stearic acid are sent into and in kneader, carried out once mixingly, then move into planet mixing machine and carry out the mixing sizing material B that obtains of secondary; Take by weight 8 parts of sizing material B of 100 parts of sizing material A and sizing material and mix, then send in vacuum chamber and vulcanize and obtain polysulfide rubber sealant, wherein vacuum chamber negative pressure is 0.5MPa.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; according to technical scheme of the present invention and inventive concept thereof, be equal to replacement or changed, within all should being encompassed in protection scope of the present invention.
Claims (6)
1. a polysulfide rubber sealant, it is characterized in that, raw material comprises by weight: liquid polysulfide rubber 95-105 part, dibutylester 30-37 part, resol 9-13 part, light calcium carbonate 28-33 part, white carbon black 2-4 part, pure aluminium silicate 28-34 part, titanium dioxide 7-12 part, Sulfur 0.3-0.8 part, plumbic oxide 3-5 part, stearic acid 4-8 part; By liquid polysulfide rubber, dibutylester, resol, light calcium carbonate, white carbon black, pure aluminium silicate, titanium dioxide and Sulfur send in kneader, carry out once mixing, then moving into planet mixing machine, to carry out secondary mixing, remove low-boiling-point substance, through vacuumizing and defoaming, obtain sizing material A; Plumbic oxide, stearic acid are sent into and in kneader, carried out once mixingly, then move into planet mixing machine and carry out the mixing sizing material B that obtains of secondary; Take by weight 93-105 part sizing material A and sizing material 9-13 part sizing material B mixes, then send in vacuum chamber and vulcanize and obtain polysulfide rubber sealant, wherein vacuum chamber negative pressure is 0.4-0.6MPa.
2. polysulfide rubber sealant as claimed in claim 1, is characterized in that, in described raw material, the mass ratio of liquid polysulfide rubber, dibutylester and resol is 95-100:30-35:10.
3. polysulfide rubber sealant as claimed in claim 2, it is characterized in that, raw material comprises by weight: liquid polysulfide rubber 95-100 part, dibutylester 30-35 part, 10 parts, resol, light calcium carbonate 28-33 part, white carbon black 2-4 part, pure aluminium silicate 28-34 part, titanium dioxide 7-12 part, Sulfur 0.3-0.8 part, plumbic oxide, stearic acid.
4. polysulfide rubber sealant as claimed in claim 1 or 2, is characterized in that, in described raw material, the mass ratio of white carbon black, pure aluminium silicate, titanium dioxide is 2-4:30-32:10-12.
5. polysulfide rubber sealant as claimed in claim 4, it is characterized in that, raw material comprises by weight: liquid polysulfide rubber 95-100 part, dibutylester 30-35 part, 10 parts, resol, light calcium carbonate 28-33 part, white carbon black 2-4 part, pure aluminium silicate 30-32 part, titanium dioxide 10-12 part, Sulfur 0.3-0.8 part, plumbic oxide, stearic acid.
6. polysulfide rubber sealant as described in any one in claim 1-5, it is characterized in that, raw material comprises by weight: 100 parts of liquid polysulfide rubbers, 35 parts of dibutylesters, 10 parts, resol, 30 parts of light calcium carbonates, 3 parts of white carbon blacks, 30 parts of pure aluminium silicate, 10 parts of titanium dioxides, 0.5 part of Sulfur, plumbic oxide, stearic acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410178921.7A CN103992642A (en) | 2014-04-29 | 2014-04-29 | Polysulfide-rubber sealant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410178921.7A CN103992642A (en) | 2014-04-29 | 2014-04-29 | Polysulfide-rubber sealant |
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| Publication Number | Publication Date |
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| CN103992642A true CN103992642A (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410178921.7A Pending CN103992642A (en) | 2014-04-29 | 2014-04-29 | Polysulfide-rubber sealant |
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| CN (1) | CN103992642A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107880553A (en) * | 2017-12-26 | 2018-04-06 | 太仓冠联高分子材料有限公司 | A kind of pipe gallery sealing strip sizing material |
| CN112280530A (en) * | 2020-11-02 | 2021-01-29 | 海隆石油产品技术服务（上海）有限公司 | Sealant for lining sliding sleeve sealing system and preparation method thereof |
| CN112480676A (en) * | 2020-12-26 | 2021-03-12 | 江苏汉龙航空科技发展有限公司 | Vibration isolation and noise reduction damping for ships |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001066642A1 (en) * | 2000-03-09 | 2001-09-13 | Pbt Brands, Inc. | Sealants containing multimodal polymer blends |
| CN101575493A (en) * | 2009-06-18 | 2009-11-11 | 郑州中原应用技术研究开发有限公司 | Bi-component polysulfide fireproofing flame retardant sealant and preparation method thereof |
| CN101665676A (en) * | 2009-09-18 | 2010-03-10 | 新疆华易石油工程技术有限公司 | Special sealant for reducer of oil pumping unit |
| CN102838964A (en) * | 2012-08-29 | 2012-12-26 | 浙江大学 | High-weather-fastness polysulfide sealant |
-
2014
- 2014-04-29 CN CN201410178921.7A patent/CN103992642A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001066642A1 (en) * | 2000-03-09 | 2001-09-13 | Pbt Brands, Inc. | Sealants containing multimodal polymer blends |
| CN101575493A (en) * | 2009-06-18 | 2009-11-11 | 郑州中原应用技术研究开发有限公司 | Bi-component polysulfide fireproofing flame retardant sealant and preparation method thereof |
| CN101665676A (en) * | 2009-09-18 | 2010-03-10 | 新疆华易石油工程技术有限公司 | Special sealant for reducer of oil pumping unit |
| CN102838964A (en) * | 2012-08-29 | 2012-12-26 | 浙江大学 | High-weather-fastness polysulfide sealant |
Non-Patent Citations (1)
| Title |
|---|
| 宋小平 等: "《建筑用化学品生产与应用技术》", 31 January 2014, 中国石化出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107880553A (en) * | 2017-12-26 | 2018-04-06 | 太仓冠联高分子材料有限公司 | A kind of pipe gallery sealing strip sizing material |
| CN112280530A (en) * | 2020-11-02 | 2021-01-29 | 海隆石油产品技术服务（上海）有限公司 | Sealant for lining sliding sleeve sealing system and preparation method thereof |
| CN112480676A (en) * | 2020-12-26 | 2021-03-12 | 江苏汉龙航空科技发展有限公司 | Vibration isolation and noise reduction damping for ships |
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