CN101845223B - Silicone high-density elastomer and production method thereof - Google Patents
Silicone high-density elastomer and production method thereof Download PDFInfo
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- CN101845223B CN101845223B CN2010101643560A CN201010164356A CN101845223B CN 101845223 B CN101845223 B CN 101845223B CN 2010101643560 A CN2010101643560 A CN 2010101643560A CN 201010164356 A CN201010164356 A CN 201010164356A CN 101845223 B CN101845223 B CN 101845223B
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- 229920001296 polysiloxane Polymers 0.000 title claims abstract description 71
- 229920001971 elastomer Polymers 0.000 title claims abstract description 24
- 239000000806 elastomer Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000000463 material Substances 0.000 claims abstract description 118
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 60
- -1 polysiloxane Polymers 0.000 claims abstract description 45
- 239000003054 catalyst Substances 0.000 claims abstract description 36
- 239000000843 powder Substances 0.000 claims abstract description 33
- 239000003063 flame retardant Substances 0.000 claims abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 28
- 229920002554 vinyl polymer Polymers 0.000 claims description 26
- 125000000217 alkyl group Chemical group 0.000 claims description 22
- 229910052739 hydrogen Inorganic materials 0.000 claims description 20
- 239000001257 hydrogen Substances 0.000 claims description 20
- 229910052697 platinum Inorganic materials 0.000 claims description 18
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 17
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 17
- 239000000377 silicon dioxide Substances 0.000 claims description 14
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 12
- RFAFBXGYHBOUMV-UHFFFAOYSA-N calcium chromate Chemical compound [Ca+2].[O-][Cr]([O-])(=O)=O RFAFBXGYHBOUMV-UHFFFAOYSA-N 0.000 claims description 12
- 239000000049 pigment Substances 0.000 claims description 12
- 229910052703 rhodium Inorganic materials 0.000 claims description 11
- 239000010948 rhodium Substances 0.000 claims description 11
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 11
- 239000004615 ingredient Substances 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 8
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 6
- 239000006229 carbon black Substances 0.000 claims description 6
- 229910052741 iridium Inorganic materials 0.000 claims description 6
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052762 osmium Inorganic materials 0.000 claims description 6
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052763 palladium Inorganic materials 0.000 claims description 6
- 229910052707 ruthenium Inorganic materials 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 claims description 5
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 4
- MOUPNEIJQCETIW-UHFFFAOYSA-N lead chromate Chemical compound [Pb+2].[O-][Cr]([O-])(=O)=O MOUPNEIJQCETIW-UHFFFAOYSA-N 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 229920002050 silicone resin Polymers 0.000 claims description 4
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 4
- 239000006260 foam Substances 0.000 abstract description 14
- 229920002323 Silicone foam Polymers 0.000 abstract description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000013514 silicone foam Substances 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 231100000331 toxic Toxicity 0.000 abstract description 2
- 230000002588 toxic effect Effects 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 239000003973 paint Substances 0.000 abstract 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000000945 filler Substances 0.000 abstract 1
- 238000004079 fireproofing Methods 0.000 abstract 1
- 239000003292 glue Substances 0.000 abstract 1
- 230000035515 penetration Effects 0.000 abstract 1
- 238000005187 foaming Methods 0.000 description 8
- 230000001404 mediated effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- 229920002545 silicone oil Polymers 0.000 description 7
- 238000003756 stirring Methods 0.000 description 6
- 229920001821 foam rubber Polymers 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 238000005987 sulfurization reaction Methods 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000005995 Aluminium silicate Substances 0.000 description 2
- 206010039509 Scab Diseases 0.000 description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 description 2
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000010285 flame spraying Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000004482 other powder Substances 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 235000016936 Dendrocalamus strictus Nutrition 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920000914 Metallic fiber Polymers 0.000 description 1
- 229920003354 Modic® Polymers 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- CGMFKBXPQJJHBR-UHFFFAOYSA-N [SiH3]O[SiH](C=C)C=C Chemical compound [SiH3]O[SiH](C=C)C=C CGMFKBXPQJJHBR-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 229910052728 basic metal Inorganic materials 0.000 description 1
- 150000003818 basic metals Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- FSIJKGMIQTVTNP-UHFFFAOYSA-N bis(ethenyl)-methyl-trimethylsilyloxysilane Chemical compound C[Si](C)(C)O[Si](C)(C=C)C=C FSIJKGMIQTVTNP-UHFFFAOYSA-N 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000026030 halogenation Effects 0.000 description 1
- 238000005658 halogenation reaction Methods 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 229910052909 inorganic silicate Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 125000005375 organosiloxane group Chemical group 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical class O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- UHUUYVZLXJHWDV-UHFFFAOYSA-N trimethyl(methylsilyloxy)silane Chemical compound C[SiH2]O[Si](C)(C)C UHUUYVZLXJHWDV-UHFFFAOYSA-N 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a silicone high-density elastomer and a production method thereof, which belongs to the field of fireproofing materials. The silicone high-density elastomer comprises hydrogenpolysiloxane, monohydric polysiloxane, vinylpolysiloxane, alkylpolysiloxane, metal powder and platinum group metal catalysts, and a reinforced filler, flame retardant components, a black paint and a yellow paint can be added to prepare a dual-component silicone foam glue material. When in use, the materials are mixed in a proportion of 1:1 on site, and foamed and vulcanized on site at a normal temperature to form a high-density elastic fireproof foam. The silicone high-density elastomer does not contain toxic or harmful components, and has fireproof performance, ray penetration protection, tensibility and pressure elasticity. The silicone high-density elastomer can compensate displacement caused by vibration of mechanical pipelines and subsidence of a building, and is favorable to fire proof blockage for pipeline maintenance or cable maintenance.
Description
Technical field
The invention belongs to the fire-retardant material field, relate to a kind of fire prevention latex foam, a kind of specifically silicone high-density elastomer and working method thereof.
Background technology
Existing fireproof blocking adopts organic fire prevention calking and inorganic fire cement mostly.Organic fire prevention calking bans use of the strict occasion of environmental requirement at some owing to contain toxic volatile matter; Though inorganic fire cement nontoxicity; But, shutoff can be solidified into hard block after finishing; Do not have and uphold and the elasticity of compression, can't compensate the mechanical shift that mechanical pipeline vibrations and building settlement cause, and objects through walls such as pipeline and cable need with gravity plug to be pounded out when maintenance and replacing; Very easily damage peripheral body of wall, the maintenance of pipeline and cable is inconvenience very.
Also disclose the preparation method of some flame retardance poly organo-siloxane foams: Modic in the prior art at USP 3,425, disclose in 967 to use and contain the flame-retardant additive of the mixture of asbestos and fibrous potassium titanate as the organopolysiloxane foams.Lee etc. are at USP 4; 026; 842 and Smith at USP 3; Disclose in 923,705 and used platinum or platinic compound to improve the flame retardant resistance of organopolysiloxane foams, wherein organopolysiloxane foams are that the siloxane reactions of the oh group that connects through organohydrogensiloxanes and linkage containing silicon prepares.Smith points out, can further improve flame retardant resistance through using carbon black.Harper etc. are at USP 4,433, disclose flame retardant silicone foams in 069, and these foams contain at least 0.1% non-metallic fibers shape heat-stable material, at least a finely divided nonmetal porous heat-resistant material and the mixture of 5ppm platinum at least.Fibrous heat-stable material comprises naturally occurring material; Like asbestos; And by the regenerated fiber and the whisker of glass, carbon, aluminum oxide or inorganic silicic acid salt formation; Inorganic silicate is the mixture of the silicate of pure aluminium silicate and pure aluminium silicate and basic metal and/or earth alkali metal for example, and preferred fibrous heat-stable material is glass and carbon.
Summary of the invention
Technical problem to be solved by this invention is: the shortcoming to above prior art exists, a kind of silicone high-density elastomer and working method thereof are proposed, and have good fire resistance and good physical behavior, be used for the slit through walls fireproof blocking of all kinds of pipelines.
The technical scheme that the present invention solves above technical problem is:
Silicone high-density elastomer is made up of A component and B component, and A component and B component were mixed by 1: 1; The A component is made up of base-material M and hydrogen containing siloxane, and the weight percent of each component is in the A component:
Base-material M 75～97%
Hydrogen containing siloxane 3～25%;
Base-material M is the combination of hydroxy-terminated polysiloxane, end-vinyl ZGK 5, end alkyl polysiloxane and metal-powder, and the weight percent of each ingredients constitute base-material M is:
Hydroxy-terminated polysiloxane 5～50%
End-vinyl ZGK 5 5～25%
End alkyl polysiloxane 0～25%
Metal-powder 45～85%;
The B component is made up of base-material N and platinum metal catalysts, and the weight percent of each component is in the B component:
Base-material N 99.8～99.99%
Platinum metal catalysts 0.01～0.2%;
Platinum metal catalysts is the catalyzer of rhodium, ruthenium, palladium, osmium, iridium or platinum;
Base-material N is the combination of hydroxy-terminated polysiloxane, end-vinyl ZGK 5, end alkyl polysiloxane and metal-powder, and the weight percent of each ingredients constitute base-material N is:
Hydroxy-terminated polysiloxane 5～50%
End-vinyl ZGK 5 5～25%
End alkyl polysiloxane 0～25%
Metal-powder 45～85%.
The working method of silicone high-density elastomer, carry out according to the following steps:
(1) with base-material M through vacuum kneader at 180 ℃, vacuum tightness-0.095MPa mediated 2～3 hours down, ground through three-roll grinder again;
(2) step (1) gained base-material M and hydrogen containing siloxane are made into component A by proportioning;
(3) with base-material N through vacuum kneader at 180 ℃, vacuum tightness-0.095MPa mediated 2～3 hours down, ground through three-roll grinder again;
(4) base-material N and the platinum metal catalysts with step (3) gained is made into B component by proportioning;
(5) component A and B component were mixed or mixed through static mixer with special-purpose adhesive supplier at the scene by 1: 1, foaming at normal temp, the sulfuration back forms high-density elastic fireproof foams.
Hydroxy-terminated polysiloxane, end-vinyl ZGK 5 or the viscosity of end alkyl polysiloxane under 25 ℃ are 10-1,000, and 000mPas.
Silicone high-density elastomer of the present invention; Can also add reinforced filling among base-material M and the base-material N; The reinforced filling add-on is 0～20% of a base-material weight, and reinforced filling is at least a in thermal silica, precipitated silica, nano-calcium carbonate, silica powder or the silicone resin.
Can also add the fire-retardant fireproof component among base-material M and the base-material N, fire-retardant fireproof component add-on is 0～80% of a base-material weight, and the fire-retardant fireproof component is at least a in expanded graphite powder, white lake, Marinco H, zinc borate or the zeyssatite.
Metal-powder is at least a in iron powder, copper powder, aluminium powder, nickel powder or the lead powder.
Can also add black pigment among the base-material M, the black pigment add-on be base-material M weight 0～10%, black pigment is at least a in carbon black or the iron oxide black.
Can also add yellow ultramarine among the base-material N, the yellow ultramarine add-on is 0～10% of a base-material N weight, and yellow ultramarine is at least a in oxidation chrome yellow or the yellow oxide of iron.
Platinum metal catalysts comprises the catalyzer of rhodium, ruthenium, palladium, osmium, iridium or platinum.The rhodium catalyst that is suitable for is disclosed in the USP 4,026,835 of Lee etc., and the wherein relevant content that is used for the rhodium catalyst of silicone foams no longer is repeated in this description here.Catalyzer based on platinum is preferred especially; And it can take effectively to promote any known form of Si-H group and silicon key alkenyl reaction even; Also can promote the reaction of the hydroxyl OH group in Si-H group and the organic alcohol effectively, for hydrogen is provided in the foaming process.The suitable form of platinum includes but not limited to Platinic chloride, platinic compound and platinic compound and unsaturated organic compound or has the title complex that the silicon key connects the siloxanes of group that the silicon key connects group and contains the ethylenic unsaturated group.The instance of the platinum catalyst that other is suitable comprises the title complex of the inferior platinum of halogenation or Platinic chloride and divinyl disiloxane, and reacts the title complex that forms through Platinic chloride, divinyl tetramethyl disiloxane and tetramethyl disiloxane.Suitable platinum catalyst is disclosed in the USP 3,419,593 of Willing, wherein about the content of this Preparation of Catalyst, no longer is repeated in this description here.
The structural formula of hydrogen containing siloxane is:
In the formula 1, R is methyl, ethyl or phenyl, containing hydrogen group H and can partly be replaced by alkyl in the formula 1;
The structural formula of hydroxy-terminated polysiloxane is:
In the formula 2, R is methyl, ethyl or phenyl;
The structural formula of end-vinyl ZGK 5 is:
In the formula 3, R is methyl, ethyl or phenyl, and Vi is a vinyl;
The structural formula of end alkyl polysiloxane is:
... formula 4
In the formula 4, R is methyl, ethyl or phenyl.
The present invention does not contain poisonous oxious component, has fire resistance, and anti-ray penetrates, and has to uphold and the elasticity of compression, can compensate mechanical pipeline vibrations and building settlement and the displacement that causes, is convenient to pipeline or cable maintenance.High-density silicone foam fireproof latex foam of the present invention has good fire resistance and good physical behavior; Be used for the inner pipeline through walls of slit through walls fireproof blocking, especially nuclear power factory building, ships, the cable of all kinds of pipelines, the slit through walls fireproof and radiation-proof shutoff of ventilator trunk.High-density silicone foam fireproof latex foam of the present invention can begin foaming in 3 minutes, was solidified into foam elastomer in 10 minutes, and foams proportion is 2.35g/cm
3, testing vertical flammability is the V-0 level, rate of closed hole is 80%, through flame spraying burning in 5 minutes, puts out certainly at once from fire, and stays one deck scab at the foams outside surface.
Embodiment
Embodiment one
The silicone high-density elastomer of present embodiment is made up of A component and B component, and A component and B component were mixed by 1: 1; The A component is made up of base-material M and hydrogen containing siloxane, and the weight percent of each component is in the A component:
Base-material M 75%
Hydrogen containing siloxane 25%;
Base-material M is the combination of hydroxy-terminated polysiloxane, end-vinyl ZGK 5, end alkyl polysiloxane and metal-powder, and the weight percent of each ingredients constitute base-material M is:
Hydroxy-terminated polysiloxane 5%
End-vinyl ZGK 5 25%
End alkyl polysiloxane 25%
Metal-powder 45%;
The B component is made up of base-material N and platinum metal catalysts, and the weight percent of each component is in the B component:
Base-material N 99.8%
Platinum metal catalysts 0.2%;
Platinum metal catalysts is the catalyzer of rhodium, ruthenium, palladium, osmium, iridium or platinum;
Base-material N is the combination of hydroxy-terminated polysiloxane, end-vinyl ZGK 5, end alkyl polysiloxane and metal-powder, and the weight percent of each ingredients constitute base-material N is:
Hydroxy-terminated polysiloxane 50%
End-vinyl ZGK 5 5%
End alkyl polysiloxane 0%
Metal-powder 45%.
Metal-powder is at least a in iron powder, copper powder, aluminium powder, nickel powder or the lead powder.
Platinum metal catalysts is a rhodium catalyst, and rhodium catalyst is disclosed in the USP 4,026,835 of Lee etc., and the wherein relevant content that is used for the rhodium catalyst of silicone foams no longer is repeated in this description here.
The working method of silicone high-density elastomer, carry out according to the following steps:
(1) with base-material M through vacuum kneader at 180 ℃, vacuum tightness-0.095MPa mediated 2 hours down, ground through three-roll grinder again;
(2) step (1) gained base-material M and hydrogen containing siloxane are made into component A by proportioning;
(3) with base-material N through vacuum kneader at 180 ℃, vacuum tightness-0.095MPa mediated 2 hours down, ground through three-roll grinder again;
(4) base-material N and the platinum metal catalysts with step (3) gained is made into B component by proportioning;
(5) component A and B component were mixed or mixed through static mixer with special-purpose adhesive supplier at the scene by 1: 1, foaming at normal temp, the sulfuration back forms high-density elastic fireproof foams.
Embodiment two
Silicone high-density elastomer is made up of A component and B component, and A component and B component were mixed by 1: 1; The A component is made up of base-material M and hydrogen containing siloxane, and the weight percent of each component is in the A component:
Base-material M 97%
Hydrogen containing siloxane 3%;
Base-material M is the combination of hydroxy-terminated polysiloxane, end-vinyl ZGK 5, end alkyl polysiloxane and metal-powder, and the weight percent of each ingredients constitute base-material M is:
Hydroxy-terminated polysiloxane 45%
End-vinyl ZGK 5 5%
Metal-powder 50%;
The B component is made up of base-material N and platinum metal catalysts, and the weight percent of each component is in the B component:
Base-material N 99.99%
Platinum metal catalysts 0.01%;
Platinum metal catalysts is the catalyzer of rhodium, ruthenium, palladium, osmium, iridium or platinum;
Base-material N is the combination of hydroxy-terminated polysiloxane, end-vinyl ZGK 5, end alkyl polysiloxane and metal-powder, and the weight percent of each ingredients constitute base-material N is:
Hydroxy-terminated polysiloxane 5%
End-vinyl ZGK 5 25%
End alkyl polysiloxane 5%
Metal-powder 65%.
The working method of silicone high-density elastomer, carry out according to the following steps:
(1) with base-material M through vacuum kneader at 180 ℃, vacuum tightness-0.095MPa mediated 2.5 hours down, ground through three-roll grinder again;
(2) step (1) gained base-material M and hydrogen containing siloxane are made into component A by proportioning;
(3) with base-material N through vacuum kneader at 180 ℃, vacuum tightness-0.095MPa mediated 2.5 hours down, ground through three-roll grinder again;
(4) base-material N and the platinum metal catalysts with step (3) gained is made into B component by proportioning;
(5) component A and B component were mixed or mixed through static mixer with special-purpose adhesive supplier at the scene by 1: 1, foaming at normal temp, the sulfuration back forms high-density elastic fireproof foams.
Silicone high-density elastomer of the present invention; Also add reinforced filling among base-material M and the base-material N; The reinforced filling add-on be separately base-material weight 5%, reinforced filling is at least a in thermal silica, precipitated silica, nano-calcium carbonate, silica powder or the silicone resin.
Also add the fire-retardant fireproof component among base-material M and the base-material N, fire-retardant fireproof component add-on be separately base-material weight 20%, the fire-retardant fireproof component is at least a in expanded graphite powder, white lake, Marinco H, zinc borate or the zeyssatite.
Metal-powder is at least a in iron powder, copper powder, aluminium powder, nickel powder or the lead powder.
Also add black pigment among the base-material M, the black pigment add-on is 5% of a base-material M weight, and black pigment is at least a in carbon black or the iron oxide black.
Also add yellow ultramarine among the base-material N, the yellow ultramarine add-on is 5% of a base-material N weight, and yellow ultramarine is at least a in oxidation chrome yellow or the yellow oxide of iron.
Platinum metal catalysts is the catalyzer based on platinum, and suitable platinum catalyst is disclosed in the USP 3,419,593 of Willing, wherein about the content of this Preparation of Catalyst, no longer is repeated in this description here.
Embodiment three
Silicone high-density elastomer is made up of A component and B component, and A component and B component were mixed by 1: 1; The A component is made up of base-material M and hydrogen containing siloxane, and the weight percent of each component is in the A component:
Base-material M 90%
Hydrogen containing siloxane 10%;
Base-material M is the combination of hydroxy-terminated polysiloxane, end-vinyl ZGK 5, end alkyl polysiloxane and metal-powder, and the weight percent of each ingredients constitute base-material M is:
Hydroxy-terminated polysiloxane 5%
End-vinyl ZGK 5 5%
End alkyl polysiloxane 5%
Metal-powder 85%;
The B component is made up of base-material N and platinum metal catalysts, and the weight percent of each component is in the B component:
Base-material N 99.9%
Platinum metal catalysts 0.1%;
Platinum metal catalysts is the catalyzer of rhodium, ruthenium, palladium, osmium, iridium or platinum;
Base-material N is the combination of hydroxy-terminated polysiloxane, end-vinyl ZGK 5, end alkyl polysiloxane and metal-powder, and the weight percent of each ingredients constitute base-material N is:
Hydroxy-terminated polysiloxane 5%
End-vinyl ZGK 5 5%
End alkyl polysiloxane 5%
Metal-powder 85%.
The working method of silicone high-density elastomer, carry out according to the following steps:
(1) with base-material M through vacuum kneader at 180 ℃, vacuum tightness-0.095MPa mediated 3 hours down, ground through three-roll grinder again;
(2) step (1) gained base-material M and hydrogen containing siloxane are made into component A by proportioning;
(3) with base-material N through vacuum kneader at 180 ℃, vacuum tightness-0.095MPa mediated 3 hours down, ground through three-roll grinder again;
(4) base-material N and the platinum metal catalysts with step (3) gained is made into B component by proportioning;
(5) component A and B component were mixed or mixed through static mixer with special-purpose adhesive supplier at the scene by 1: 1, foaming at normal temp, the sulfuration back forms high-density elastic fireproof foams.
Silicone high-density elastomer of the present invention; Also add reinforced filling among base-material M and the base-material N; The reinforced filling add-on be separately base-material weight 20%, reinforced filling is at least a in thermal silica, precipitated silica, nano-calcium carbonate, silica powder or the silicone resin.
Also add the fire-retardant fireproof component among base-material M and the base-material N, fire-retardant fireproof component add-on be separately base-material weight 80%, the fire-retardant fireproof component is at least a in expanded graphite powder, white lake, Marinco H, zinc borate or the zeyssatite.
Metal-powder is at least a in iron powder, copper powder, aluminium powder, nickel powder or the lead powder.
Also add black pigment among the base-material M, the black pigment add-on is 10% of a base-material M weight, and black pigment is at least a in carbon black or the iron oxide black.
Also add yellow ultramarine among the base-material N, the yellow ultramarine add-on is 10% of a base-material N weight, and yellow ultramarine is at least a in oxidation chrome yellow or the yellow oxide of iron.
Platinum metal catalysts is the catalyzer based on platinum, and suitable platinum catalyst is disclosed in the USP 3,419,593 of Willing, wherein about the content of this Preparation of Catalyst, no longer is repeated in this description here.
Embodiment four
Base-material M prescription:
107 Zylox 5000cp 100g
Vinyl silicone oil 5000cp 100g
Methyl-silicone oil 350cp 50g
Thermal silica 3g
White lake 10g
Expanded graphite 10g
Iron powder 1250g
Carbon black 0.5g
The preparation of base-material M:
In the vacuum kneader with 1 liter of the adding of the liquid material in the above-mentioned prescription, it is 120 ℃ that temperature is set, in stirring; Gradation slowly adds other powder material, after adding, covers the kneading cover; It is 180 ℃ that temperature is set, and vacuumizes, and vacuum tightness reaches-0.095MPa; Arrive 180 ℃ from temperature, stirs and stop to heat and stirring discharging after 3 hours; Above-mentioned material is ground three times through three-roll grinder get base-material M.
Base-material N prescription:
107 Zylox 10000cp 200g
Vinyl silicone oil 5000cp 200g
Methyl-silicone oil 350cp 50g
Thermal silica 10g
White lake 100g
Iron powder 1250g
Yellow oxide of iron 3g
The preparation of base-material N:
In the vacuum kneader with 1 liter of the adding of the liquid material in the above-mentioned prescription, it is 120 ℃ that temperature is set, in stirring; Gradation slowly adds other powder material, after adding, covers the kneading cover; It is 180 ℃ that temperature is set, and vacuumizes, and vacuum tightness reaches-0.095MPa; Arrive 180 ℃ from temperature, stirs and stop to heat and stirring discharging after 3 hours; Above-mentioned material is ground three times through three-roll grinder get base-material N.
The A component formula:
Base-material M 100g
Containing hydrogen silicone oil 5g
The preparation of A component:
By filling a prescription with above-mentioned base-material M and the uniform A component of containing hydrogen silicone oil thorough mixing.
The B component formula:
Base-material N 100g
Platinum complex 0.1g
The preparation of B component:
By filling a prescription with above-mentioned base-material M and the uniform B component of containing hydrogen silicone oil thorough mixing.
The A component is a black accompanied with sticky fluxion, viscosity 40000cp, proportion: 2.5; The B component is yellow accompanied with sticky fluxion, viscosity 45000cp, proportion: 2.5.
A, B were mixed by 1: 1, promptly began foaming in 3 minutes, be solidified into foam elastomer in 10 minutes.Foams proportion is 2.35g/cm
3, testing vertical flammability is the V-0 level, rate of closed hole is 80%.Through flame spraying burning in 5 minutes, put out certainly at once from fire, and stay one deck scab at the foams outside surface.
After A, B component mixed, be poured on respectively on reinforced cement-mortar board, PVC plate, timber, the iron sheet, treat foaming after, all bonding is good.
The present invention can also have other embodiment, and the technical scheme that equal replacement of all employings or equivalent transformation form all drops within the scope of requirement protection of the present invention.
Claims (5)
1. silicone high-density elastomer is characterized in that:
Be made up of A component and B component, said A component and B component were mixed by 1: 1;
Said A component is made up of base-material M and hydrogen containing siloxane, and the weight percent of each component is in the said A component:
Base-material M 75～97%
Hydrogen containing siloxane 3～25%;
Said base-material M is the combination of hydroxy-terminated polysiloxane, end-vinyl ZGK 5, end alkyl polysiloxane and metal-powder, and the weight percent of each ingredients constitute base-material M is:
Said B component is made up of base-material N and platinum metal catalysts, and the weight percent of each component is in the said B component:
Base-material N 99.8～99.99%
Platinum metal catalysts 0.01～0.2%;
Said platinum metal catalysts is the catalyzer of rhodium, ruthenium, palladium, osmium, iridium or platinum;
Said base-material N is the combination of hydroxy-terminated polysiloxane, end-vinyl ZGK 5, end alkyl polysiloxane and metal-powder, and the weight percent of each ingredients constitute base-material N is:
Also contain the fire-retardant fireproof component among said base-material M and the base-material N, said fire-retardant fireproof component add-on is 0～80% of a base-material weight, and said fire-retardant fireproof component is at least a in expanded graphite powder, white lake, Marinco H, zinc borate or the zeyssatite;
Also contain reinforced filling among said base-material M and the base-material N, said reinforced filling add-on is 0～20% of a base-material weight, and said reinforced filling is at least a in thermal silica, precipitated silica, nano-calcium carbonate, silica powder or the silicone resin.
2. silicone high-density elastomer as claimed in claim 1 is characterized in that: said metal-powder is at least a in iron powder, copper powder, aluminium powder, nickel powder or the lead powder.
3. silicone high-density elastomer as claimed in claim 1 is characterized in that: also contain black pigment among the said base-material M, said black pigment add-on is 0～10% of a base-material M weight, and said black pigment is at least a in carbon black or the iron oxide black.
4. silicone high-density elastomer as claimed in claim 1 is characterized in that: also contain yellow ultramarine among the said base-material N, said yellow ultramarine add-on is 0～10% of a base-material N weight, and said yellow ultramarine is at least a in oxidation chrome yellow or the yellow oxide of iron.
5. silicone high-density elastomer as claimed in claim 1 is characterized in that: the structural formula of said hydrogen containing siloxane is:
In the formula 1, R is methyl, ethyl or phenyl;
The structural formula of said hydroxy-terminated polysiloxane is:
In the formula 2, R is methyl, ethyl or phenyl;
The structural formula of said end-vinyl ZGK 5 is:
In the formula 3, R is methyl, ethyl or phenyl, and Vi is a vinyl;
The structural formula of said end alkyl polysiloxane is:
In the formula 4, R is methyl, ethyl or phenyl;
Said hydroxy-terminated polysiloxane, end-vinyl ZGK 5 or the viscosity of end alkyl polysiloxane under 25 ℃ are 10-1,000, and 000mPas.
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| CN103122239B (en) * | 2011-11-18 | 2014-06-18 | 镇江亿致能源科技孵化器有限公司 | High-density room temperature vulcanization two-component silicone sealant used in nuclear power station and preparation process thereof |
| CN102504544B (en) * | 2011-12-02 | 2013-08-14 | 海龙核材科技（江苏）有限公司 | Biological shielding type liquid silicone rubber and preparation method thereof |
| CN102504545B (en) * | 2011-12-02 | 2013-07-17 | 海龙核材科技（江苏）有限公司 | High-density fire-proof silicone rubber and preparation method thereof |
| FR3008710B1 (en) * | 2013-07-16 | 2017-11-24 | Kaefer Wanner | BIOLOGICAL PROTECTIVE MATERIAL BASED ON SILICONE POLYMER MATRIX AND LOADS. |
| CN104887108A (en) * | 2015-05-21 | 2015-09-09 | 蚌埠市耀得保温容器有限公司 | High and low temperature resistant and aging resistant vacuum bottle and production method of sealing sleeve thereof |
| CN105802111A (en) * | 2016-05-04 | 2016-07-27 | 江苏欣安新材料技术有限公司 | Dense-type silicone elastic material and production method thereof |
| CN106380855A (en) * | 2016-09-07 | 2017-02-08 | 福建农林大学 | Double-component organosilicon foam material and simple auxiliary foaming technique thereof |
| CN107746578A (en) * | 2017-09-22 | 2018-03-02 | 镇江市太浪新材料科技有限公司 | A kind of preparation technology of Building Fire Protection foam |
| EP4021982A4 (en) * | 2019-08-26 | 2023-06-14 | Henkel AG & Co. KGaA | Foamable silicone composition, preparation method and use thereof |
| CN113773650B (en) * | 2021-07-30 | 2022-10-21 | 中国化工株洲橡胶研究设计院有限公司 | Silicone rubber sponge and preparation method thereof |
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