CN104672916A - Porcelainized, flame-retardant and fire-proof silicone rubber composite material and preparation technology thereof - Google Patents
Porcelainized, flame-retardant and fire-proof silicone rubber composite material and preparation technology thereof Download PDFInfo
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Abstract
The invention discloses a porcelainized, flame-retardant and fire-proof silicone rubber composite material. The silicone rubber composite material comprises components as follows: raw silicon rubber, a catalyst, a heat stabilizer, fire-proof filler, a flowing glass material, a flame retardant, a synergistic flame retardant and a coupling agent. The invention further designs a preparation technology of the porcelainized, flame-retardant and fire-proof silicone rubber composite material. The silicone rubber composite material prepared with the preparation technology has little smoke and is non-toxic, low in combustion heat value and good in chemical stability, high and low temperature resistance, weather resistance and insulation performance.
Description
Technical field
The present invention relates to a kind of silicon rubber composite material and preparation technology thereof, being specifically related to one can porcelain flame-retardant silicon rubber composite material and preparation technology thereof, belongs to fire resisting material field.
Background technology
Along with the raising that people's living standard and security against fire are realized, and the sharp increase of urban population, the numerous areas that fire-retardant and refractory materials is lived at national product plays a part more and more important, in some places that the crowd is dense, use fire-retardant, fire-resistant and the material of construction with certain mechanical strength is that engineering design must be considered.
Silicon rubber has unique chemical stability, resistant of high or low temperature, weathering resistance, insulativity, when burning, few cigarette is nontoxic simultaneously, and combustion heat value is low, and flame propagation velocity is slow, make it in aerospace, electric, the fields such as power transmission are widely used, but existing silicon rubber understands existing defects unavoidably, flame retardant effect shortcomings etc., researching and developing a kind of novel silastic material becomes those skilled in the art's technical problem urgently to be resolved hurrily.
Summary of the invention
Technical problem to be solved by this invention is, for the shortcoming that above prior art exists, proposing one can porcelain flame-retardant silicon rubber composite material and preparation technology thereof, this silicon rubber composite material has good chemical stability, brain high and low temperature, weathering resistance, insulativity, when burning, few cigarette is nontoxic simultaneously, and combustion heat value is low.
The technical scheme that the present invention solves above technical problem is:
One can porcelain flame-retardant silicon rubber composite material, and this silicon rubber composite material comprises following component according to the mass fraction:
Raw-silastic continuously 80-90 part
Catalyzer 15-20 part
Thermo-stabilizer 5-10 part
Fire resistant infilling 5-8 part
Glass flows material 5-10 part
Fire retardant 12-15 part
Synergistic fire retardant 5-9 part
STRUCTURE DEPRESSION agent 10-15 part
Coupling agent 20-30 part
Raw-silastic continuously is methyl vinyl silicone rubber; Catalyzer is the one in aluminum oxide, sodium hydroxide or potassium hydroxide; Thermo-stabilizer is 2-ethylhexoate, phenates, benzoate or stearate; Fire resistant infilling is must be a kind of in white carbon black, mica, calcium carbonate, wollastonite, kaolin, talcum powder, glass powder or polynite; Glass flows material is must be a kind of in boracic frit, bismuth oxide glass or borate oxide glasses; Fire retardant is any one mixture in platinum and carbon black, various metal oxide, oxyhydroxide, calcium carbonate, silicone resin; Synergistic fire retardant is zinc borate or red phosphorus; STRUCTURE DEPRESSION agent is at least one in pregnancy basic ring three silazane, Diphenylsilanediol, aminomethyl phenyl diethoxy silane; The methyl ethylene organopolysiloxane of coupling agent to be vinyl molar fraction be 0.04-0.06%, wherein: metal oxide comprises the compound of cupric oxide, iron protoxide, ferric oxide, rare earth compound and precious metal palladium, rhodium, molybdenum.
The further technical scheme of the present invention is:
Aforementioned can in porcelain flame-retardant silicon rubber composite material, this silicon rubber composite material comprises following component according to the mass fraction:
Methyl vinyl silicone rubber: 80 parts, aluminum oxide: 15 parts, 2-ethylhexoate: 5 parts, mica: 7 parts, boracic frit: 10 parts, the mixture of platinum and carbon black: 13 parts, red phosphorus: 9 parts, aminomethyl phenyl diethoxy silane: 10 parts, methyl ethylene organopolysiloxane: 30 parts.
Aforementioned can in porcelain flame-retardant silicon rubber composite material, this silicon rubber composite material comprises following component according to the mass fraction:
Methyl vinyl silicone rubber: 90 parts, potassium hydroxide: 18 parts, stearate: 10 parts, calcium carbonate: 8 parts, bismuth oxide glass: 5 parts, the mixture of platinum and calcium carbonate: 15 parts, zinc borate: 5 parts, Diphenylsilanediol: 15 parts, methyl ethylene organopolysiloxane: 25 parts.
Aforementioned can in porcelain flame-retardant silicon rubber composite material, this silicon rubber composite material comprises following component according to the mass fraction:
Methyl vinyl silicone rubber: 85 parts, sodium hydroxide: 20 parts, phenates: 8 parts, polynite: 5 parts, borate oxide glasses: 8 parts, the mixture of platinum and silicone resin: 12 parts, zinc borate: 7 parts, pregnancy basic ring three silazane: 12 parts, methyl ethylene organopolysiloxane: 20 parts.
The present invention have also been devised one can porcelain flame-retardant silicon rubber composite material preparation technology, and the preparation technology of silicon rubber composite material specifically comprises the following steps:
(1) join in internal rubber mixer by raw-silastic continuously, catalyzer, thermo-stabilizer, stirring velocity is 100-120r/min, and churning time is 50-60min;
(2) then in the airtight rubber mixing machine in step (1), add fire resistant infilling, glass flows material and coupling agent while stirring, continue to stir, stirring velocity is 200-250r/min, and churning time is 20-30min;
(3) finally add fire retardant, synergistic fire retardant and STRUCTURE DEPRESSION agent, stirring velocity is 100-120r/min, and churning time is that 50-60min obtains agglomerating mixture;
(4) mixture agglomerating in step (3) is continued heating, be warming up to 180-200 DEG C, at insulation 1-2h, then slowly cool to 100-120 DEG C, insulation 0.5-1h, finally naturally cools to room temperature;
(5) delivered in opening rubber mixing machine by the agglomerating mixture being cooled to room temperature in step (4) and carry out refining glue, can obtain can porcelain flame-retardant silicon rubber composite material.
The further technical scheme of the present invention is:
Aforementioned can in porcelain flame-retardant silicon rubber composite material preparation technology, the particle diameter of the fire resistant infilling in step (2) is 0.6-0.8mm.
The invention has the beneficial effects as follows:
The fire retardation of compound to silicon rubber of platinum and platinum mainly contains 2 kinds: (1) stops the generation that can promote the transition complex of depolymerization; (2) fixing a part of by the intermediate of filler or oxide compound when cracking
Condensed product, be conducive to forming insulativity barrier layer, in about 400-500 DEG C heat treatment process, Pt compound causes the fracture of GH3-Si and the coupling of free radical in silicon rubber, which results in the formation of cross-linking set.
When platinum and these compounds with the use of time, the generation of little annular siloxane can be suppressed further, strengthen barrier layer, thus improve the flame retardant properties of silicon rubber.
Mica for the fire retardation of silicon rubber mainly in two: (1) forms hard and continuous print ceramic layer on burning polymer surface, play iris action, reduce heat release rate; (2) obstruct of sheet mica laminate structure slow down the transmission of material and heat.
Aluminium hydroxide is a kind of environment friendly flame retardant, and stable performance in water, light heat environment is non-volatile, and cheap, raw material is easy to get, and can not discharge obnoxious flavour in combustion simultaneously, residue after burning does not pollute the environment, and is thus widely used.
Magnesium hydroxide is a kind of novel filled-type fire retardant, and it discharges without obnoxious flavour when burning, and the residue after burning also to environment, thus can not obtain increasingly extensive application as environment friendly flame retardant.
Embodiment
embodiment 1
The present embodiment provides one can porcelain flame-retardant silicon rubber composite material, and this silicon rubber composite material comprises following component according to the mass fraction:
Methyl vinyl silicone rubber: 80 parts, aluminum oxide: 15 parts, 2-ethylhexoate: 5 parts, mica: 7 parts, boracic frit: 10 parts, the mixture of platinum and carbon black: 13 parts, red phosphorus: 9 parts, aminomethyl phenyl diethoxy silane: 10 parts, methyl ethylene organopolysiloxane: 30 parts.
Above-mentioned can porcelain flame-retardant silicon rubber composite material preparation technology, the preparation technology of silicon rubber composite material specifically comprises the following steps:
(1) join in internal rubber mixer by raw-silastic continuously methyl vinyl silicone rubber, alumina catalyst, thermo-stabilizer 2-ethylhexoate, stirring velocity is 100-120r/min, and churning time is 50-60min;
(2) then in the airtight rubber mixing machine in step (1), fire resistant infilling mica, glass flows material boracic frit and the coupling agent base vinyl organopolysiloxane that particle diameter is 0.6-0.8mm is added while stirring, continue to stir, stirring velocity is 200-250r/min, and churning time is 20-30min;
(3) finally add the mixture of fire retardant platinum and carbon black, synergistic fire retardant red phosphorus and STRUCTURE DEPRESSION agent aminomethyl phenyl diethoxy silane, stirring velocity is 100-120r/min, and churning time is that 50-60min obtains agglomerating mixture;
(4) mixture agglomerating in step (3) is continued heating, be warming up to 180-200 DEG C, at insulation 1-2h, then slowly cool to 100-120 DEG C, insulation 0.5-1h, finally naturally cools to room temperature;
(5) delivered in opening rubber mixing machine by the agglomerating mixture being cooled to room temperature in step (4) and carry out refining glue, can obtain can porcelain flame-retardant silicon rubber composite material.
embodiment 2
The present embodiment provides one can porcelain flame-retardant silicon rubber composite material, and this silicon rubber composite material comprises following component according to the mass fraction:
Methyl vinyl silicone rubber: 90 parts, potassium hydroxide: 18 parts, stearate: 10 parts, calcium carbonate: 8 parts, bismuth oxide glass: 5 parts, the mixture of platinum and calcium carbonate: 15 parts, zinc borate: 5 parts, Diphenylsilanediol: 15 parts, methyl ethylene organopolysiloxane: 25 parts.
Above-mentioned can porcelain flame-retardant silicon rubber composite material preparation technology, the preparation technology of silicon rubber composite material specifically comprises the following steps:
(1) join in internal rubber mixer by raw-silastic continuously methyl vinyl silicone rubber, catalyzer potassium hydroxide, thermo-stabilizer stearate, stirring velocity is 100-120r/min, and churning time is 50-60min;
(2) then in the airtight rubber mixing machine in step (1), fire resistant infilling calcium carbonate, glass flows material bismuth oxide glass and the coupling agent methyl ethylene organopolysiloxane that particle diameter is 0.6-0.8mm is added while stirring, continue to stir, stirring velocity is 200-250r/min, and churning time is 20-30min;
(3) finally add the mixture of fire retardant platinum and calcium carbonate, synergistic fire retardant zinc borate and STRUCTURE DEPRESSION agent Diphenylsilanediol, stirring velocity is 100-120r/min, and churning time is that 50-60min obtains agglomerating mixture;
(4) mixture agglomerating in step (3) is continued heating, be warming up to 180-200 DEG C, at insulation 1-2h, then slowly cool to 100-120 DEG C, insulation 0.5-1h, finally naturally cools to room temperature;
(5) delivered in opening rubber mixing machine by the agglomerating mixture being cooled to room temperature in step (4) and carry out refining glue, can obtain can porcelain flame-retardant silicon rubber composite material.
embodiment 3
The present embodiment provides one can porcelain flame-retardant silicon rubber composite material, and this silicon rubber composite material comprises following component according to the mass fraction:
Methyl vinyl silicone rubber: 85 parts, sodium hydroxide: 20 parts, phenates: 8 parts, polynite: 5 parts, borate oxide glasses: 8 parts, the mixture of platinum and silicone resin: 12 parts, zinc borate: 7 parts, pregnancy basic ring three silazane: 12 parts, methyl ethylene organopolysiloxane: 20 parts.
Above-mentioned can porcelain flame-retardant silicon rubber composite material preparation technology, the preparation technology of silicon rubber composite material specifically comprises the following steps:
(1) join in internal rubber mixer by raw-silastic continuously methyl vinyl silicone rubber, catalyzer sodium hydroxide, thermo-stabilizer phenates, stirring velocity is 100-120r/min, and churning time is 50-60min;
(2) in the airtight rubber mixing machine in step (1), then add fire resistant infilling polynite that particle diameter is 0.6-0.8mm, glass flows material borate oxide glasses and coupling agent methyl ethylene organopolysiloxane while stirring, continue to stir, stirring velocity is 200-250r/min, and churning time is 20-30min;
(3) finally add the mixture of fire retardant platinum and silicone resin, synergistic fire retardant zinc borate and STRUCTURE DEPRESSION agent pregnancy basic ring three silazane, stirring velocity is 100-120r/min, and churning time is that 50-60min obtains agglomerating mixture;
(4) mixture agglomerating in step (3) is continued heating, be warming up to 180-200 DEG C, at insulation 1-2h, then slowly cool to 100-120 DEG C, insulation 0.5-1h, finally naturally cools to room temperature;
(5) delivered in opening rubber mixing machine by the agglomerating mixture being cooled to room temperature in step (4) and carry out refining glue, can obtain can porcelain flame-retardant silicon rubber composite material.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (6)
1. can a porcelain flame-retardant silicon rubber composite material, it is characterized in that, this silicon rubber composite material comprises following component according to the mass fraction:
Raw-silastic continuously 80-90 part
Catalyzer 15-20 part
Thermo-stabilizer 5-10 part
Fire resistant infilling 5-8 part
Glass flows material 5-10 part
Fire retardant 12-15 part
Synergistic fire retardant 5-9 part
STRUCTURE DEPRESSION agent 10-15 part
Coupling agent 20-30 part
Described raw-silastic continuously is methyl vinyl silicone rubber; Described catalyzer is the one in aluminum oxide, sodium hydroxide or potassium hydroxide; Described thermo-stabilizer is 2-ethylhexoate, phenates, benzoate or stearate; Described fire resistant infilling is must be a kind of in white carbon black, mica, calcium carbonate, wollastonite, kaolin, talcum powder, glass powder or polynite; Described glass flows material is must be a kind of in boracic frit, bismuth oxide glass or borate oxide glasses; Described fire retardant is any one mixture in platinum and carbon black, various metal oxide, oxyhydroxide, calcium carbonate, silicone resin; Described synergistic fire retardant is zinc borate or red phosphorus; Described STRUCTURE DEPRESSION agent is at least one in pregnancy basic ring three silazane, Diphenylsilanediol, aminomethyl phenyl diethoxy silane; The methyl ethylene organopolysiloxane of described coupling agent to be vinyl molar fraction be 0.04-0.06%, wherein: described metal oxide comprises the compound of cupric oxide, iron protoxide, ferric oxide, rare earth compound and precious metal palladium, rhodium, molybdenum.
2. according to claim 1 can porcelain flame-retardant silicon rubber composite material, it is characterized in that: this silicon rubber composite material comprises following component according to the mass fraction:
Methyl vinyl silicone rubber: 80 parts, aluminum oxide: 15 parts, 2-ethylhexoate: 5 parts, mica: 7 parts, boracic frit: 10 parts, the mixture of platinum and carbon black: 13 parts, red phosphorus: 9 parts, aminomethyl phenyl diethoxy silane: 10 parts, methyl ethylene organopolysiloxane: 30 parts.
3. according to claim 1 can porcelain flame-retardant silicon rubber composite material, it is characterized in that: this silicon rubber composite material comprises following component according to the mass fraction:
Methyl vinyl silicone rubber: 90 parts, potassium hydroxide: 18 parts, stearate: 10 parts, calcium carbonate: 8 parts, bismuth oxide glass: 5 parts, the mixture of platinum and calcium carbonate: 15 parts, zinc borate: 5 parts, Diphenylsilanediol: 15 parts, methyl ethylene organopolysiloxane: 25 parts.
4. according to claim 1 can porcelain flame-retardant silicon rubber composite material, it is characterized in that: this silicon rubber composite material comprises following component according to the mass fraction:
Methyl vinyl silicone rubber: 85 parts, sodium hydroxide: 20 parts, phenates: 8 parts, polynite: 5 parts, borate oxide glasses: 8 parts, the mixture of platinum and silicone resin: 12 parts, zinc borate: 7 parts, pregnancy basic ring three silazane: 12 parts, methyl ethylene organopolysiloxane: 20 parts.
5. as claimed in claim 1 can porcelain flame-retardant silicon rubber composite material preparation technology, it is characterized in that: the preparation technology of described silicon rubber composite material specifically comprises the following steps:
(1) join in internal rubber mixer by raw-silastic continuously, catalyzer, thermo-stabilizer, stirring velocity is 100-120r/min, and churning time is 50-60min;
(2) then in the airtight rubber mixing machine in step (1), add fire resistant infilling, glass flows material and coupling agent while stirring, continue to stir, stirring velocity is 200-250r/min, and churning time is 20-30min;
(3) finally add fire retardant, synergistic fire retardant and STRUCTURE DEPRESSION agent, stirring velocity is 100-120r/min, and churning time is that 50-60min obtains agglomerating mixture;
(4) mixture agglomerating in step (3) is continued heating, be warming up to 180-200 DEG C, at insulation 1-2h, then slowly cool to 100-120 DEG C, insulation 0.5-1h, finally naturally cools to room temperature;
(5) delivered in opening rubber mixing machine by the agglomerating mixture being cooled to room temperature in step (4) and carry out refining glue, can obtain can porcelain flame-retardant silicon rubber composite material.
6. according to claim 5 can porcelain flame-retardant silicon rubber composite material preparation technology, it is characterized in that: the particle diameter of the fire resistant infilling in described step (2) is 0.6-0.8mm.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105838075A (en) * | 2016-04-26 | 2016-08-10 | 重庆泰山电缆有限公司 | Silica gel formula capable of enhancing fire resistance |
| CN105924978A (en) * | 2016-05-23 | 2016-09-07 | 强新正品（苏州）环保材料科技有限公司 | Preparation method of insulated high-fluidity silica gel high polymer material |
| CN106756273A (en) * | 2016-12-14 | 2017-05-31 | 苏州富艾姆工业设备有限公司 | A kind of preparation method of automobile air-conditioning pipe |
| CN109135131A (en) * | 2018-08-01 | 2019-01-04 | 扬中市橡胶塑料厂有限公司 | A kind of super large standard connects mould fluorubber product and its processing technology |
| CN109163505A (en) * | 2018-07-14 | 2019-01-08 | 宁波高新区诠宝绶新材料科技有限公司 | A kind of air separation equipment of use heat-barrier material containing europium |
| CN110862687A (en) * | 2019-11-27 | 2020-03-06 | 上海腾瑞纳化工科技有限公司 | Preparation method of ceramic fire-resistant silicone rubber composite material |
| CN111087815A (en) * | 2018-10-23 | 2020-05-01 | 林载珍 | Method for manufacturing filler for fireproof door |
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2015
- 2015-03-11 CN CN201510104859.1A patent/CN104672916A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105838075A (en) * | 2016-04-26 | 2016-08-10 | 重庆泰山电缆有限公司 | Silica gel formula capable of enhancing fire resistance |
| CN105924978A (en) * | 2016-05-23 | 2016-09-07 | 强新正品（苏州）环保材料科技有限公司 | Preparation method of insulated high-fluidity silica gel high polymer material |
| CN106756273A (en) * | 2016-12-14 | 2017-05-31 | 苏州富艾姆工业设备有限公司 | A kind of preparation method of automobile air-conditioning pipe |
| CN109163505A (en) * | 2018-07-14 | 2019-01-08 | 宁波高新区诠宝绶新材料科技有限公司 | A kind of air separation equipment of use heat-barrier material containing europium |
| CN109135131A (en) * | 2018-08-01 | 2019-01-04 | 扬中市橡胶塑料厂有限公司 | A kind of super large standard connects mould fluorubber product and its processing technology |
| CN111087815A (en) * | 2018-10-23 | 2020-05-01 | 林载珍 | Method for manufacturing filler for fireproof door |
| CN110862687A (en) * | 2019-11-27 | 2020-03-06 | 上海腾瑞纳化工科技有限公司 | Preparation method of ceramic fire-resistant silicone rubber composite material |
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