CN105860536A - Flame-retardant and fire-resistant ceramic silicone rubber and preparation method thereof - Google Patents
Flame-retardant and fire-resistant ceramic silicone rubber and preparation method thereof Download PDFInfo
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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
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/22—Halogen free composition
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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
- 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
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- C—CHEMISTRY; METALLURGY
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- 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
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Abstract
The invention relates to a flame-retardant and fire-resistant ceramic silicone rubber and a preparation method thereof. The silicone rubber comprises, by weight, 100 parts of methyl vinyl silicone rubber, 1-80 parts of silica, 0-10 parts of a concentrative crosslinking agent, 0-20 parts of a structurized control agent, 0.1-10 parts of a silane coupling agent, 0-10 parts of organic fibers, 0-50 parts of high temperature resisting resin, 1-160 parts of ceramic powder, 1-80 parts of a flame retardant, 0-15 parts of an assistant, 0-30 parts of a heat proofing agent, 0.000001-0.1 parts of a platinum compound (by platinum) and 0.1-5 parts of a vulcanizing agent. The invention also provides a preparation method of the silicone rubber. The flame-retardant and fire-resistant ceramic silicone rubber has excellent mechanical performances and good heatproof performance at normal temperature, and solves the disadvantages of ceramic cracks and poor electric insulation performance of traditional ceramic silicone rubbers, induced by addition of a large amount of glass powder.
Description
Technical field
The present invention relates to a kind of flame-retardant Ceramic silicon rubber and preparation method thereof, belong to technical field of rubber material.
Background technology
Silicone rubber (SR) has excellent electrical property, chemical stability, moisture-proof is water-fast, high and low temperature resistance, can-50～
Life-time service at 200 DEG C, is paid close attention to the most widely and is applied.Silicone rubber decomposes a large amount of SiO of generation2, for composite
Porcelain provides material base, thus greatly reduces the addition of packing material；Silicone rubber burning time HRR little,
Total heat release is few, without melted drippage, so its combustibility is substantially better than resins for universal use material.
Flame-retardant Ceramic silicon rubber is a kind of Novel fire-resistant composite, and its refractory mechanism and tradition refractory material are the most not
With, the residual ashes formation one layer after the high temperature produced when being to utilize fire to occur makes silicone rubber burning has certain mechanical strength
Insulated fireproof ceramic layer, delays or stops the infringement to internal components of flame and high temperature.Flame-retardant Ceramic silicon rubber material
Without halogen, there is low cigarette, nontoxic and corrosion resistance, be the fire proofing material of a kind of excellent performance.
Silicone rubber itself has certain anti-flammability, the SiO generated after burning2Ceramic layer can be formed, there is certain fire-resistant work
With, but the SiO after burning2Powdered, it is impossible to be attached to protected object top layer, there is no enough intensity, easily come off, institute
So that still there is a big difference with desired fire resistance.
Usually adding substantial amounts of glass dust in refractory SiClx rubber and become porcelain auxiliary agent as low melting point, glass dust is at a lower temperature
Can melting, formed liquid phase, play bonding effect.But glass dust can cause the ceramic body volume contraction ultimately formed relatively big, easily
Crackle occurs, affects the fire resistance of Ceramic silicon rubber, and containing substantial amounts of alkali metal ion in glass dust, be melt into liquid
Xiang Houhui causes the electrical insulation capability of material to decline, and insulating properties being required, higher protective material is the most unfavorable.
Chinese patent document CN105295379A (application number: 201510897199.7) one can Ceramic silicon rubber composite
And preparation method thereof, the component of this material includes silicone rubber 25～35 parts, aluminium hydroxide 15～20 parts, poly-phosphorus according to the mass fraction
Acid ammonium 20～25 parts, clay class layer structure mineral 25～30 parts, vulcanizing agent 0.3～0.6 part；This material preparation method is by upper
State material and carry out mixing in mill or banbury, mixing uniformly, a sulfidization molding in pressure forming machine, air blast do
Dry case carries out post-cure.
Chinese patent document CN 105017776A (application number: 201510398997.5) discloses a kind of halogen-free flameproof high intensity
Can porcelain SiClx rubber, its raw material consisting of by weight: methyl vinyl silicone rubber 100 parts；Halogen-free flame retardants 10-50
Part；Vitrified powder 4-40 part；Antioxidant 1-5 part, its preparation process is as follows: first by methyl vinyl silicone rubber in open refining
On glue machine mixing 3-5 minute, then halogen-free flame retardants, Vitrified powder are sequentially added into, fully mix after being added thereto every time
Refining, makes compound mix homogeneously, is subsequently added into vulcanizing agent mixing 3-5 minute, finally thin logical 5-10 on opening rubber mixing machine
Secondary, i.e. obtain described halogen-free flameproof high intensity can porcelain SiClx rubber.
Chinese patent document CN 104927362A (application number :) 201510359220.8 discloses a kind of Flame-retardant ceramic silicone rubber
Glue, is made up of the raw material of following parts by weight: methyl vinyl silicone rubber 100 parts, reinforcing agent 30～50 parts, constitution controller
5～15 parts, silane coupler 0.1～5 parts, ceramic filler 1～50 parts, Firebrake ZB 1～50 parts, zinc oxide 1～50 parts are sliding
Stone powder 1～50 parts, platinum complex 0.000001～1 part in terms of platinum quality and inner pattern releasing agent applicable 0.1～0.5 part.
But, above-mentioned patent document all have employed substantial amounts of filler and fill, in combustion, owing to the fusing point of filler own is high
In ignition temperature, it is difficult to form liquid phase and then ceramic.Even if using the low melting point filler such as Firebrake ZB, glass dust to be also difficult to filling out
Material particle plays enough cementations, and may bring the contraction of increasing, and ceramic effect is undesirable.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of easy to process, cost is relatively low, and contractility is little, fire resistance and
Flame-retardant Ceramic silicon rubber that fire resistance is all excellent and preparation method thereof.
Technical scheme is as follows:
A kind of flame-retardant Ceramic silicon rubber, the raw material including following weight portion forms:
Methyl vinyl silicone rubber 100 parts, silica 1-80 parts, Concentrative crosslinking agent 0-10 part, antistructurizing agent 0-20 part,
Silane coupler 0.1-10 part, organic fiber 0-10 part, fire resistant resin 0-50 part, Vitrified powder 1-160 part, fire retardant 1-80
Part, auxiliary agent 0-15 part, heat-resistant agent 0-30 part, it is 0.000001-0.1 part, vulcanizing agent 0.1-5 that platinum compounds presses the number metering of platinum
Part.
According to the invention it is preferred to, described flame-retardant Ceramic silicon rubber, the raw material including following weight portion forms:
Methyl vinyl silicone rubber 100 parts, silicon dioxide 5-40 part, Concentrative crosslinking agent 2-8 part, antistructurizing agent 1-6 part, silicon
Alkane coupling agent 1-5 part, organic fiber 1-5 part, fire resistant resin 1-10 part, Vitrified powder 40-80 part, fire retardant 5-20 part, auxiliary agent
0-8 part, heat-resistant agent 1-5 part, it is 0.000001-0.0001 part, vulcanizing agent 2-4 part that platinum compounds presses the number metering of platinum.
According to the invention it is preferred to, the contents of ethylene of described methyl vinyl silicone rubber is 0.04-0.5mol%.
According to the invention it is preferred to, the mean molecule quantity of described methyl vinyl silicone rubber is 55-83 ten thousand.
According to the invention it is preferred to, described silicon dioxide be specific surface area be 200-400m2The fume colloidal silica of/g and ratio
Surface area 100-200m2One or more of the precipitated silica of/g combine.
According to the invention it is preferred to, described Concentrative crosslinking agent is the multi-vinyl silicone oil of contents of ethylene 6-10mol%.
According to the invention it is preferred to, described antistructurizing agent be hydroxy radical content be the hydroxy silicon oil of 3-15wt%, methyl
Diethylamino phenyl TMOS, tetramethyl ethylidene dioxy dimethylsilane or diphenyl silanediol or hexamethyldisiloxane.
According to the invention it is preferred to, described silane coupler is KH550, KH560, KH570, A171, A172,
One or more in A151.
According to the invention it is preferred to, described organic fiber includes polyester fiber, polyacrylonitrile fibre, poly-paraphenylene terephthalamide couple
One or more in phenylenediamine (aramid fiber), polyimide fiber.
According to the invention it is preferred to, described fire resistant resin includes phenolic resin, polysulfones, polyether-ether-ketone, polyphenylene oxide resin
In one or more.
According to the invention it is preferred to, described Vitrified powder include kieselguhr, calcium carbonate, mullite, silica flour, aluminium oxide,
One or more in bauxite, wollastonite, Muscovitum, potassium feldspar.
According to the invention it is preferred to, described fire retardant is in APP, Firebrake ZB, aluminium hydroxide, antimony oxide
One or more.
According to the invention it is preferred to, described auxiliary agent is zinc oxide.
According to the invention it is preferred to, described heat-resistant agent is one or more in ferrum oxide, cerium oxide and titanium dioxide.
According to the invention it is preferred to, described vulcanizing agent is cumyl peroxide (DCP), peroxidating double (2,4 two
Chlorobenzoyl) in (be commonly called as double two or four), 2,5-dimethyl-2,5-bis(t-butylperoxy) hexane (being commonly called as double 2 5) one
Plant or multiple.
According to the invention it is preferred to, described platinum compounds is chloroplatinic acid or tetramethyl divinyl siloxanes-platinum complex.
According to the present invention, the preparation method of above-mentioned flame-retardant Ceramic silicon rubber, comprise the following steps that
(1) by methyl vinyl silicone rubber bag roller, add white carbon and antistructurizing agent, mixing uniformly；
(2) elastomeric compound obtained in step (1) adds silane coupler and Vitrified powder, mixing uniformly；
(3) elastomeric compound obtained in step (2) adds fire retardant, auxiliary agent, platinum compounds and heat-resistant agent, mixing all
Even；
(4) elastomeric compound obtained in step (3) adds fire resistant resin, organic fiber and Concentrative crosslinking agent, mixing all
Even；
(5) elastomeric compound obtained in step (4) is carried out heat treatment, and place；
(6) elastomeric compound obtained in step (5) is carried out back mixing, recover plasticity, add vulcanizing agent, thin logical rear discharging；
(7) elastomeric compound obtained in step (6) is carried out heat cure, obtain flame-retardant Ceramic silicon rubber.
Preparation in accordance with the present invention, it is preferred that first at ball milling before silane coupler and Vitrified powder add in step (2)
Ball-milling treatment in machine.
Preparation in accordance with the present invention, it is preferred that in step (5), heat treatment temperature is 150-200 DEG C, time 20-
200min, storage period >=2h.
Preparation in accordance with the present invention, it is preferred that the back mixing described in step (6) is to carry out in two-roll mill, double rollers
The roller speed ratio of mill is (1.2-1.6): 1；Thin logical number of times is 3-8 time, and total mixing time is 5-30min.
The present invention is elaborate, is state of the art and carries out.
The principle of the present invention and having the beneficial effect that:
The flame-retardant Ceramic silicon rubber that the present invention provides abandons adds the method that glass dust does low melting point filler, utilizes organic
Fiber and fire resistant resin are melted into organic liquid phase (less than 200 DEG C) at a lower temperature, can play inorganic filler
Effective cementation, and do not have metal ion to transmit wherein, it is to avoid the decline of insulating properties.Simultaneously organic fiber and
The one-tenth charcoal effect of fire resistant resin is preferable, has significantly raising to overall fire resistance.The platinum compounds added in system or platinum
Complex can reduce the sintering temperature of flame-retardant Ceramic silicon rubber, the fire resistance to Ceramic silicon rubber to a certain extent
Can there is preferable facilitation.
The flame-retardant Ceramic silicon rubber that the present invention provides is the new type silicone rubber composite of a kind of excellent performance, has life
Product, processing technique are simple, and cost is than relatively low advantage；Have softness, good springiness at normal temperatures, intensity is high, mechanical performance is excellent
The features such as good, aging resistance, electrical property are excellent.This flame-retardant fire-resisting ceramic silicone rubber can be burnt till sharply above at 450 DEG C
Hard, complete ceramic shell, this shell stops burning away of flame, plays the effect of the extraneous flame of isolation, thus protects
Protecting the object burnt without damage, the ablation time is the longest, and temperature is the highest, and housing is the hardest.This fire-resistant silicon of flame-retardant ceramic
Rubber have during burning low cigarette, Halogen, without phosphorus, heavy metal free, nontoxic, harmless, do not fuse, do not drip, no
Prolong the good characteristics such as combustion, fireproof excellent performance.
Flame-retardant Ceramic silicon rubber of the present invention is prone to processing, and production cost ratio is relatively low.Good mechanical performance, stretches under room temperature
Intensity can reach 6-8MPa, and tearing strength can reach 10-20N/mm, and shore a hardness is at 60-70.Flame-retardant of the present invention is made pottery
Change into hard ceramic housing in the time that porcelain SiClx rubber can be the shortest, block burning away of flame, right
Internal structure plays a very good protection.Flame-retardant Ceramic silicon rubber of the present invention also has excellent fire resistance, LOI
Value can reach 32%, can be tested by UL94V-0.Additionally, flame-retardant Ceramic silicon rubber of the present invention can generate at the burning initial stage
A small amount of nontoxic, halogen-free white smog, can give up smoking after burning 1-2 minute completely.
Detailed description of the invention
By describing the technology contents of the present invention, formula proportion in detail, being realized purpose and effect, enter below in conjunction with specific embodiment
Row describes in detail.
In embodiment, all of number is weight portion, and raw material used is in market commercially available or conventional.
Embodiment 1
The preparation method of a kind of flame-retardant Ceramic silicon rubber, comprises the following steps that
(1) 100 parts of methyl vinyl silicone rubbers (contents of ethylene is 0.16mol%, and mean molecule quantity is 650,000) are wrapped
Roller, adds 30 parts of Japan K-200 type fume colloidal silicas and 5 parts of hydroxy silicon oils (hydroxy radical content is 8wt%), mixing all
Even；
(2) elastomeric compound obtained in step (1) adds 2 parts of silane coupling A 171 and 75 parts of Vitrified powders, mixing all
Even；
(3) elastomeric compound obtained in step (2) adds 20 parts of aluminium hydroxide fire retardants, 5 parts of zinc oxide, 0.001 part
Chloroplatinic acid and 4 parts of heat-resistant agent ferrum oxides, mixing uniformly；
(4) elastomeric compound obtained in step (3) adds 9 parts of phenolic resin, 1 part of polyester fiber and 0.5 part of C glue
(multi-vinyl silicone oil of contents of ethylene 8mol%), mixing uniformly；
(5) the elastomeric compound 180 DEG C of heat treatment 90min in an oven that will obtain in step (4), and place 12h；
(6) elastomeric compound obtained in step (5) is carried out back mixing, recover plasticity, add 1.2 parts of double two or four vulcanizing agents, thin
Cutter is gone out after logical 4 times；
(7) elastomeric compound obtained in step (6) is carried out heat cure, obtain flame-retardant Ceramic silicon rubber.
Vitrified powder in above-mentioned steps (2) includes 10 parts of kieselguhr, 40 parts of calcium carbonate, 25 parts of wollastonites.Wherein: carbonic acid
Calcium is the precipitated calcium carbonate of 800-1200 mesh；Wollastonite is the acicular wollastonite of 400-800 mesh.
Embodiment 2
The preparation method of a kind of flame-retardant Ceramic silicon rubber, comprises the following steps that
(1) 100 parts of methyl vinyl silicone rubbers (contents of ethylene is 0.22mol%, and mean molecule quantity is 650,000) are wrapped
Roller, adds 40 parts of Cabot TS-530 type white carbons and 0.5 part of hydroxy silicon oil (hydroxy radical content is 8wt%), mixing all
Even；
(2) elastomeric compound obtained in step (1) adds 2.5 parts of silane coupler KH570 and 85 parts of Vitrified powders, mixed
Refining is uniformly；
(3) in the elastomeric compound obtained in step (2) add 15 parts of fire retardants, 0.0006 part of chloroplatinic acid, 6 parts of zinc oxide and
3 parts of cerium oxide heat-resistant agents, mixing uniformly；
(4) elastomeric compound obtained in step (3) adds 12 parts of polysulfone resins and 1 part of C glue (contents of ethylene
The multi-vinyl silicone oil of 8mol%), mixing uniformly；
(5) the elastomeric compound 170 DEG C of heat treatment 120min in an oven that will obtain in step (4), and place 12h；
(6) elastomeric compound obtained in step (5) is carried out back mixing, recover plasticity, add 1.2 parts of double two or four vulcanizing agents, thin
Discharging after logical 5 times；
(7) elastomeric compound obtained in step (6) is carried out heat cure, obtain flame-retardant Ceramic silicon rubber.
Vitrified powder in above-mentioned steps (2) includes 15 parts of kieselguhr, 30 parts of calcium carbonate, 20 parts of wollastonites, 20 parts of aluminum vitriol
Soil.Wherein calcium carbonate is the precipitated calcium carbonate of 800-1200 mesh.Wollastonite is the acicular wollastonite of 400-800 mesh.Bauxite is
The alumina content of the 400-1000 mesh alumine more than 85%.
Fire retardant in above-mentioned steps (3) is made up of the Firebrake ZB of 8 parts of (many) APPs and 7 parts.
Embodiment 3
The preparation method of a kind of flame-retardant Ceramic silicon rubber, comprises the following steps that
(1) 100 parts of methyl vinyl silicone rubbers (contents of ethylene is 1.6mol%, and mean molecule quantity is 800,000) are wrapped
Roller, adds 35 parts of Degussa A200 type white carbons and 3.5 parts of hydroxy silicon oils (hydroxy radical content is 6wt%), mixing uniformly；
(2) elastomeric compound obtained in step (1) adds 3 parts of Silane coupling agent KH550s and 75 parts of Vitrified powders, mixing
Uniformly；
(3) elastomeric compound obtained in step (2) adds 15 parts of fire retardants, 0.05 part of tetramethyl divinyl two silica
Alkane-platinum complex, 8 parts of zinc oxide and 5 parts of heat-resistant agents, mixing uniformly；
(4) elastomeric compound obtained in step (3) adds 10 parts of polyurethane resins, 2 parts of aramid fibers and 1 part of C glue
(multi-vinyl silicone oil of contents of ethylene 8mol%), mixing uniformly；
(5) the elastomeric compound 170 DEG C of heat treatment 120min in an oven that will obtain in step (4), and place 24h；
(6) elastomeric compound obtained in step (5) is carried out back mixing, recover plasticity, add 1.4 parts of double two or four vulcanizing agents, thin
Cutter is gone out after logical 5 times；
(7) elastomeric compound obtained in step (6) is carried out heat cure, obtain bright flame-retardant Ceramic silicon rubber.
Vitrified powder in above-mentioned steps (2) includes 25 parts of silica flours, 40 parts of calcium carbonate, 30 parts of aluminium oxidies.Calcium carbonate is
The precipitated calcium carbonate of 800-1200 mesh.Silica flour is 600-1000 mesh silica flour.
Fire retardant in above-mentioned steps (3) is made up of 10 parts of APPs and 5 parts of stibium oxide, and described heat-resistant agent is by 2 parts
Cerium oxide and the titanium dioxide composition of 3 parts.
Embodiment 4
The preparation method of a kind of flame-retardant Ceramic silicon rubber, comprises the following steps that
(1) 100 parts of methyl vinyl silicone rubbers (contents of ethylene is 0.16mol%, and mean molecule quantity is 700,000) are wrapped
Roller, adds 10 parts of Degussa A200 type white carbons and 3.5 parts of hydroxy silicon oils (hydroxy radical content 8wt%), mixing uniformly；
(2) elastomeric compound obtained in step (1) adds 10 parts of silane coupling A 151 and 120 parts of Vitrified powders, mixing
Uniformly；
(3) in the elastomeric compound obtained in step (2) add 50 parts of fire retardants, 0.0006 part of chloroplatinic acid, 8 parts of zinc oxide and
20 parts of heat-resistant agents, mixing uniformly；
(4) elastomeric compound obtained in step (3) adds 30 parts of polysulfones, 8 parts of polyacrylonitrile fibres and 1 part of C glue (second
The multi-vinyl silicone oil of amount vinyl content 6mol%), mixing uniformly；
(5) the elastomeric compound 150 DEG C of heat treatment 120min in an oven that will obtain in step (4), and place 24h；
(6) elastomeric compound obtained in step (5) is carried out back mixing, recover plasticity, add 1.4 parts of double two or four vulcanizing agents, thin
Cutter is gone out after logical 5 times；
(7) elastomeric compound obtained in step (6) is carried out heat cure, obtain bright flame-retardant Ceramic silicon rubber.
Vitrified powder in above-mentioned steps (2) includes 20 parts of silica flours, 70 parts of calcium carbonate, 30 parts of aluminium oxidies.Calcium carbonate is
The precipitated calcium carbonate of 800-1200 mesh.Silica flour is 600-1000 mesh silica flour.
Fire retardant in above-mentioned steps (3) is made up of 30 parts of APPs and 2 parts of stibium oxide, and described heat-resistant agent is by 13 parts
Cerium oxide and 7 parts titanium dioxide composition.
Comparative example
As described in Example 1, except for the difference that:
Step is added without phenolic resin and polyester fiber in (4).
Test example 1
Embodiment 1-4 and comparative example are obtained product test mechanical property, shown in result table 1:
Table 1
Test example 2
Embodiment 1-4 and comparative example are obtained product test fire resistance, shown in result table 2:
Table 2
From the data in table 2, it can be seen that the fire resistance ratio that the present invention adds phenolic resin and polyester fiber product does not adds phenolic resin
Good with the fire resistance of polyester fiber product.
The present invention has many application modes, it is not limited to above-mentioned embodiment, it should be noted that the present invention is not by institute
State the restriction of implementation example, any equivalence or similar change the most within the scope of the claims, in the principle of the invention
On the basis of the improvement that carries out be also considered as protection scope of the present invention.
Claims (10)
1. a flame-retardant Ceramic silicon rubber, it is characterised in that this silicone rubber includes that the raw material of following weight portion forms:
Methyl vinyl silicone rubber 100 parts, silica 1-80 parts, Concentrative crosslinking agent 0-10 part, antistructurizing agent 0-20 part,
Silane coupler 0.1-10 part, organic fiber 0-10 part, fire resistant resin 0-50 part, Vitrified powder 1-160 part, fire retardant 1-80
Part, auxiliary agent 0-15 part, heat-resistant agent 0-30 part, it is 0.000001-0.1 part, vulcanizing agent 0.1-5 that platinum compounds presses the number metering of platinum
Part.
Flame-retardant Ceramic silicon rubber the most according to claim 1, it is characterised in that described methyl ethylene silicon rubber
The mean molecule quantity of glue is 55-83 ten thousand.
Flame-retardant Ceramic silicon rubber the most according to claim 1, it is characterised in that described organic fiber includes
One in polyester fiber, polyacrylonitrile fibre, PPTA (aramid fiber), polyimide fiber or
Multiple.
Flame-retardant Ceramic silicon rubber the most according to claim 1, it is characterised in that described fire resistant resin includes
One or more in phenolic resin, polysulfones, polyether-ether-ketone, polyphenylene oxide resin.
Flame-retardant Ceramic silicon rubber the most according to claim 1, it is characterised in that described Vitrified powder includes diatom
One or more in soil, calcium carbonate, mullite, silica flour, aluminium oxide, bauxite, wollastonite, Muscovitum, potassium feldspar.
Flame-retardant Ceramic silicon rubber the most according to claim 1, it is characterised in that described fire retardant is polyphosphoric acid
One or more in ammonium, Firebrake ZB, aluminium hydroxide, antimony oxide.
Flame-retardant Ceramic silicon rubber the most according to claim 1, it is characterised in that described heat-resistant agent is oxidation
One or more in ferrum, cerium oxide and titanium dioxide.
8. a preparation method for the flame-retardant Ceramic silicon rubber described in any one of claim 1-7, including step such as
Under:
(1) by methyl vinyl silicone rubber bag roller, add white carbon and antistructurizing agent, mixing uniformly；
(2) elastomeric compound obtained in step (1) adds silane coupler and Vitrified powder, mixing uniformly；
(3) elastomeric compound obtained in step (2) adds fire retardant, auxiliary agent, platinum compounds and heat-resistant agent, mixing all
Even；
(4) elastomeric compound obtained in step (3) adds fire resistant resin, organic fiber and Concentrative crosslinking agent, mixing all
Even；
(5) elastomeric compound obtained in step (4) is carried out heat treatment, and place；
(6) elastomeric compound obtained in step (5) is carried out back mixing, recover plasticity, add vulcanizing agent, thin logical rear discharging；
(7) elastomeric compound obtained in step (6) is carried out heat cure, obtain flame-retardant Ceramic silicon rubber.
Preparation method the most according to claim 8, it is characterised in that in step (2), silane coupler and Vitrified powder add
First ball-milling treatment in ball mill before entering.
Preparation method the most according to claim 8, it is characterised in that in step (5), heat treatment temperature is 150-
200 DEG C, time 20-200min, standing time >=2h.
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