CN106751891A - A kind of anti-oxidant high-temperature resisting liquid silicon rubber and preparation method thereof - Google Patents
A kind of anti-oxidant high-temperature resisting liquid silicon rubber and preparation method thereof Download PDFInfo
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- 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
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Abstract
The present invention relates to a kind of anti-oxidant high-temperature resisting liquid silicon rubber, 3 are pressed by component A and B component:40—18:7 ratio of weight and number is mixed；The composition of the component A is counted as follows by weight：90 110 parts of base rubber, 3 10 parts of platinum complex compound, 58 parts of white carbon, 12 21 parts of accelerator；The composition of the B component is counted as follows by weight：50 60 parts of base rubber, 25 30 parts of polysilazane resin, 8 22 parts of silica, 0.2 0.5 parts of inhibitor, 0.8 3.2 parts of crosslinking agent, 1.4 5.7 parts of silane coupler, with heat resistance and preferable antioxygenic property higher, and there is provided the preparation method of the liquid silastic.
Description
Technical field
The present invention relates to a kind of liquid silastic, and in particular to a kind of anti-oxidant high-temperature resisting liquid silicon rubber and its preparation side
Method.
Background technology
Silicon rubber refers to that main chain is alternately made up of silicon and oxygen atom, and generally two rubbers of organic group are connected with silicon atom
Glue.Because silicon rubber has excellent ageing-resistant performance, electrical insulating property and preferably mechanical strength, various rows are widely used in
Industry.Common silicon rubber is only applicable to -40~250 DEG C of working environment, but in actual applications, such as electricity power, friendship can be transported
The industries such as defeated, Aero-Space, industrial electromechanics, metallurgy, generally require the condition of work long-term use at up to more than 350 DEG C, this
Being accomplished by researching and developing more high-fire resistance can be with the silastic material of more high antioxygenic property.
The content of the invention
The present invention proposes a kind of anti-oxidant high-temperature resisting liquid silicon rubber regarding to the issue above, with heat resistance higher
With preferable antioxygenic property, and there is provided the preparation method of the liquid silastic.
Specific technical scheme is as follows：
A kind of anti-oxidant high-temperature resisting liquid silicon rubber, 3 are pressed by component A and B component:40—18:7 ratio of weight and number mixing
Form；
The composition of the component A is counted as follows by weight：
The composition of the B component is counted as follows by weight：
A kind of above-mentioned anti-oxidant high-temperature resisting liquid silicon rubber, wherein, the composition of the base rubber is counted such as by weight
Under：
25 DEG C of measure viscosity are vinyl polysiloxane 30-45 parts of 7000-8000cp, 25 DEG C and determine viscosity for 1500-
It is the vinyl polysiloxane 18- of 12000-25000cp that vinyl polysiloxane 10-22 parts, 25 DEG C of 3200cp determines viscosity
36 parts, bicyclohexane 2-9 parts, glycerine 20-34 parts, 3- (3,5- di-tert-butyl-hydroxy phenyls) propionic acid n-octadecane alcohol ester
1-7 parts, t etram-ethyltetravinylcyclotetrasiloxane 12-18 parts.
A kind of above-mentioned anti-oxidant high-temperature resisting liquid silicon rubber, wherein, in the B component, base rubber and polysilazane resin it
Between weight ratio be 2:1.
A kind of above-mentioned anti-oxidant high-temperature resisting liquid silicon rubber, wherein, the accelerator is dimethyl dithiocarbamic acid
Zinc, stearic acid, isopropanol and sodium acid carbonate press 25：2：6：3 ratio of weight and number is mixed.
A kind of above-mentioned anti-oxidant high-temperature resisting liquid silicon rubber, wherein, the inhibitor is counted by 2- methyl -3- by weight
Butyne-2-alcohol, butyl oleate, tetramethyl divinyl disiloxane press 3:2:5 ratio of weight and number is mixed.
A kind of above-mentioned anti-oxidant high-temperature resisting liquid silicon rubber, wherein, the crosslinking agent is tetraethyl orthosilicate, peroxidating two is different
The mixing of one or more in propyl benzene, benzoyl peroxide.
A kind of above-mentioned anti-oxidant high-temperature resisting liquid silicon rubber, wherein, the silane coupler is double (two octyloxy pyrophosphoric acids
Ester group) ethylene titanate esters, γ-(oxygen of 2,3- epoxies third) propyl trimethoxy silicane, VTES, vinyl
One kind in three ('beta '-methoxy ethyoxyl) silane.
A kind of preparation method of anti-oxidant high-temperature resisting liquid silicon rubber, its step is as follows：
(1) base rubber is prepared：
1. by 25 DEG C determine viscosity for the vinyl polysiloxane of 1500-3200cp, glycerine, 3- (3,5- di-t-butyls-
4- hydroxy phenyls) propionic acid n-octadecane alcohol ester add kneader in, 3-4h is mediated at a temperature of 30-40 DEG C；
2. after 70-80 DEG C will be increased in kneader in 30-60min, it is 7000-8000cp to add 25 DEG C to determine viscosity
Vinyl polysiloxane continue mediate 2-3h；
3. it is vinyl polysiloxane, bicyclohexane, the tetramethyl of 12000-25000cp to continuously add 25 DEG C and determine viscosity
Tetravinyl cyclotetrasiloxane, mediates while the temperature lifted in kneader, makes temperature with the speed of 5 DEG C/15min
Rise, until after temperature rises to 170-180 DEG C, continuing to obtain base rubber by mediating 2-3h；
(2) polysilazane resin is prepared：
By weight by iron containing polysilazane 45-60 parts, 20-30 parts of methacrylic acid fourth fat, epoxy resin 18-27
Part, triethylamine 5-13 parts, butanone 8-13 parts, in divinylbenzene 10-16 parts of addition kneading machine at a temperature of 70-90 DEG C batch mixing 3-
5h can obtain polysilazane resin；
Wherein, the structural formula of iron containing polysilazane is：
R1 is methyl, R2 for H, R3 are that vinyl or phenyl, Fe are divalence
Iron, n=20-1000；
(3) component A is prepared：
By base rubber after heating 20-40min at a temperature of 60-70 DEG C, platinum complex compound, white carbon, accelerator is added to mix
Close 40-60min；
(4) B component is prepared：
After base rubber and polysilazane resin are mixed into 10-20min at a temperature of 50-60 DEG C, add silica, suppress
Agent, crosslinking agent, silane coupler, continue to mix 60-80min after temperature is increased into 80-100 DEG C；
(5) component A for mixing is added in B component, mixing 2-3h obtains final product anti-oxidant resistance at a temperature of 120-150 DEG C
High-temp liquid silicon rubber.
Beneficial effects of the present invention are：
The anti-oxidant high-temperature resisting liquid silicon rubber of the present invention, with the addition of the polysilazane tree with iron content in preparation process
Fat, greatly improved the thermal oxidation resistance performance of silicon rubber, and the liquid silastic that the present invention is provided has splendid mobility, heatproof
It is applied widely up to more than 400 DEG C, and good mechanical property；In addition, its preparation method is simple and easy to apply, and it is with low cost, it is adapted to scale
Metaplasia is produced, with industrial application value.
Specific embodiment
To make technical scheme become apparent from clearly, below the present invention is described further, it is any to this
The technical characteristic of inventive technique scheme carries out the scheme that equivalencing and conventional reasoning draw and each falls within the scope of the present invention.
Embodiment one
A kind of preparation method of anti-oxidant high-temperature resisting liquid silicon rubber, its step is as follows：
(1) base rubber is prepared：
1. count by weight by 25 DEG C determine viscosity for 15 parts of the vinyl polysiloxane of 2000cp, 28 parts of glycerine,
In 3- (3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecane 5 parts of addition kneaders of alcohol ester, mediated at a temperature of 35 DEG C
3.5h；
2. after 75 DEG C being increased in kneader in 40min, 25 DEG C of measure viscosity of meter addition by weight are
38 parts of the vinyl polysiloxane of 7500cp continues to mediate 2.5h；
3. it is 22 parts of vinyl polysiloxane, two rings of 20000cp that meter continuously adds 25 DEG C and determines viscosity by weight
5 parts of hexane, 15 parts of t etram-ethyltetravinylcyclotetrasiloxane, mediate while the temperature lifted in kneader, makes temperature with 5
DEG C/speed of 15min rises, until after temperature rises to 175 DEG C, continue to mediate 2.5h can base rubber；
(2) polysilazane resin is prepared：
By weight by 52 parts of iron containing polysilazane, 25 parts of methacrylic acid fourth fat, 22 parts of epoxy resin, triethylamine 10
Batch mixing 4h can obtain polysilazane resin at a temperature of 80 DEG C in part, 10 parts of butanone, 13 parts of addition kneading machines of divinylbenzene；
Wherein, the structural formula of iron containing polysilazane is：
R1 be methyl, R2 be H, R3 be phenyl, Fe be ferrous iron, n=580；
(3) component A is prepared：
Count by weight after 100 parts of base rubber is heated into 30min at a temperature of 65 DEG C, add 6 parts of platinum complex compound, white
7 parts of carbon black, 16 parts of accelerator mixing 50min, wherein, the accelerator is PZ, stearic acid, different
Propyl alcohol and sodium acid carbonate press 25：2：6：3 ratio of weight and number is mixed；
(4) B component is prepared：
Count by weight after 28 parts of 56 parts of base rubber and polysilazane resin are mixed into 15min at a temperature of 55 DEG C, plus
Enter 6 parts of silica 1,0.3 part of inhibitor, 1.2 parts of crosslinking agent, 2.8 parts of silane coupler, continue after temperature is increased into 90 DEG C
Mixing 70min, wherein, the weight ratio between base rubber and polysilazane resin is 2:1, the inhibitor is counted by 2- by weight
Methyl -3- butyne-2-alcohols, butyl oleate, tetramethyl divinyl disiloxane press 3:2:5 ratio of weight and number is mixed,
The crosslinking agent is tetraethyl orthosilicate, and the silane coupler is γ-(2,3- the third oxygen of epoxy) propyl trimethoxy silicane；
(5) component A for mixing is added in B component, component A is 6 with the ratio of weight and number of B groups:17, at 135 DEG C
At a temperature of mix 2.5h obtain final product anti-oxidant high-temperature resisting liquid silicon rubber.
Embodiment two
A kind of preparation method of anti-oxidant high-temperature resisting liquid silicon rubber, its step is as follows：
(1) base rubber is prepared：
1. count by weight by 25 DEG C determine viscosity for 18 parts of the vinyl polysiloxane of 2800cp, 23 parts of glycerine,
In 3- (3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecane 3 parts of addition kneaders of alcohol ester, mediated at a temperature of 35 DEG C
3.5h；
2. after 75 DEG C being increased in kneader in 45min, 25 DEG C of measure viscosity of meter addition by weight are
32 parts of the vinyl polysiloxane of 7200cp continues to mediate 2.5h；
3. it is 27 parts of vinyl polysiloxane, two rings of 18000cp that meter continuously adds 25 DEG C and determines viscosity by weight
7 parts of hexane, 16 parts of t etram-ethyltetravinylcyclotetrasiloxane, mediate while the temperature lifted in kneader, makes temperature with 5
DEG C/speed of 15min rises, until after temperature rises to 175 DEG C, continue to mediate 2.5h can base rubber；
(2) polysilazane resin is prepared：
By weight by 57 parts of iron containing polysilazane, 22 parts of methacrylic acid fourth fat, 25 parts of epoxy resin, triethylamine 8
Batch mixing 4h can obtain polysilazane resin at a temperature of 80 DEG C in part, 12 parts of butanone, 11 parts of addition kneading machines of divinylbenzene；
Wherein, the structural formula of iron containing polysilazane is：
R1 be methyl, R2 be H, R3 be phenyl, Fe be ferrous iron, n=750；
(3) component A is prepared：
Count by weight after 105 parts of base rubber is heated into 30min at a temperature of 65 DEG C, add 4 parts of platinum complex compound, white
6 parts of carbon black, 14 parts of accelerator mixing 45min, wherein, the accelerator is PZ, stearic acid, different
Propyl alcohol and sodium acid carbonate press 25：2：6：3 ratio of weight and number is mixed；
(4) B component is prepared：
Count by weight after 26 parts of 52 parts of base rubber and polysilazane resin are mixed into 15min at a temperature of 55 DEG C, plus
Enter 20 parts of silica, 0.42 part of inhibitor, 2.5 parts of crosslinking agent, 3.4 parts of silane coupler, by temperature be increased to 90 DEG C it is follow-up
Continuous mixing 75min, wherein, the weight ratio between base rubber and polysilazane resin is 2:1, the inhibitor count by weight by
2- methyl -3- butyne-2-alcohols, butyl oleate, tetramethyl divinyl disiloxane press 3:2:5 ratio of weight and number mixing and
Into the crosslinking agent is cumyl peroxide, benzoyl peroxide by 3:1 ratio of weight and number is mixed, the silane
Coupling agent is Di(dioctylpyrophosphato) ethylene titanate；
(5) component A for mixing is added in B component, component A is 11 with the ratio of weight and number of B groups:23 at 135 DEG C
At a temperature of mix 2.5h obtain final product anti-oxidant high-temperature resisting liquid silicon rubber.
Embodiment three
A kind of preparation method of anti-oxidant high-temperature resisting liquid silicon rubber, its step is as follows：
(1) base rubber is prepared：
1. count by weight by 25 DEG C determine viscosity for 10 parts of the vinyl polysiloxane of 3200cp, 20 parts of glycerine,
In 3- (3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecane 1 part of addition kneader of alcohol ester, mediated at a temperature of 30 DEG C
3h；
2. after 70 DEG C being increased in kneader in 30min, 25 DEG C of measure viscosity of meter addition by weight are
30 parts of the vinyl polysiloxane of 8000cp continues to mediate 2h；
3. it is 18 parts of vinyl polysiloxane, two rings of 25000cp that meter continuously adds 25 DEG C and determines viscosity by weight
2 parts of hexane, 12 parts of t etram-ethyltetravinylcyclotetrasiloxane, mediate while the temperature lifted in kneader, makes temperature with 5
DEG C/speed of 15min rises, until after temperature rises to 170 DEG C, continue to mediate 2h can base rubber；
(2) polysilazane resin is prepared：
By weight by 45 parts of iron containing polysilazane, 20 parts of methacrylic acid fourth fat, 18 parts of epoxy resin, triethylamine 5
Batch mixing 3h can obtain polysilazane resin at a temperature of 70 DEG C in part, 8 parts of butanone, 10 parts of addition kneading machines of divinylbenzene；
Wherein, the structural formula of iron containing polysilazane is：
R1 be methyl, R2 be H, R3 be vinyl, Fe be ferrous iron, n=
50；
(3) component A is prepared：
Count by weight after 90 parts of base rubber is heated into 20min at a temperature of 60 DEG C, add 3 parts of platinum complex compound, white
5 parts of carbon black, 12 parts of accelerator mixing 40min, wherein, the accelerator is PZ, stearic acid, different
Propyl alcohol and sodium acid carbonate press 25：2：6：3 ratio of weight and number is mixed；
(4) B component is prepared：
Count by weight after 25 parts of 50 parts of base rubber and polysilazane resin are mixed into 10min at a temperature of 50 DEG C, plus
Enter 8 parts of silica, 0.2 part of inhibitor, 0.8 part of crosslinking agent, 1.4 parts of silane coupler, continue after temperature is increased into 80 DEG C
Mixing 60min, wherein, the weight ratio between base rubber and polysilazane resin is 2:1, the inhibitor is counted by 2- by weight
Methyl -3- butyne-2-alcohols, butyl oleate, tetramethyl divinyl disiloxane press 3:2:5 ratio of weight and number is mixed,
The crosslinking agent is benzoyl peroxide, and the silane coupler is vinyl three ('beta '-methoxy ethyoxyl) silane；
(5) component A for mixing is added in B component, component A is 3 with the ratio of weight and number of B groups:40, at 120 DEG C
At a temperature of mix 2h obtain final product anti-oxidant high-temperature resisting liquid silicon rubber.
Example IV
A kind of preparation method of anti-oxidant high-temperature resisting liquid silicon rubber, its step is as follows：
(1) base rubber is prepared：
1. count by weight by 25 DEG C determine viscosity for 22 parts of the vinyl polysiloxane of 1500cp, 34 parts of glycerine,
In 3- (3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecane 7 parts of addition kneaders of alcohol ester, mediated at a temperature of 40 DEG C
4h；
2. after 80 DEG C being increased in kneader in 60min, 25 DEG C of measure viscosity of meter addition by weight are
45 parts of the vinyl polysiloxane of 7000cp continues to mediate 3h；
3. it is 36 parts of vinyl polysiloxane, two rings of 12000cp that meter continuously adds 25 DEG C and determines viscosity by weight
9 parts of hexane, 18 parts of t etram-ethyltetravinylcyclotetrasiloxane, mediate while the temperature lifted in kneader, makes temperature with 5
DEG C/speed of 15min rises, until after temperature rises to 180 DEG C, continue to mediate 3h can base rubber；
(2) polysilazane resin is prepared：
By weight by 60 parts of iron containing polysilazane, 30 parts of methacrylic acid fourth fat, 27 parts of epoxy resin, triethylamine 13
Batch mixing 5h can obtain polysilazane resin at a temperature of 90 DEG C in part, 13 parts of butanone, 16 parts of addition kneading machines of divinylbenzene；
Wherein, the structural formula of iron containing polysilazane is：
R1 be methyl, R2 be H, R3 be vinyl, Fe be ferrous iron, n=
900；
(3) component A is prepared：
Count by weight after 110 parts of base rubber is heated into 40min at a temperature of 70 DEG C, add 10 parts of platinum complex compound,
8 parts of white carbon, 21 parts of accelerator mixing 60min, wherein, the accelerator be PZ, stearic acid,
Isopropanol and sodium acid carbonate press 25：2：6：3 ratio of weight and number is mixed；
(4) B component is prepared：
Count by weight after 30 parts of 60 parts of base rubber and polysilazane resin are mixed into 20min at a temperature of 60 DEG C, plus
Enter 22 parts of silica, 0.5 part of inhibitor, 3.2 parts of crosslinking agent, 5.7 parts of silane coupler, by temperature be increased to 100 DEG C it is follow-up
Continuous mixing 80min, wherein, the weight ratio between base rubber and polysilazane resin is 2:1, the inhibitor count by weight by
2- methyl -3- butyne-2-alcohols, butyl oleate, tetramethyl divinyl disiloxane press 3:2:5 ratio of weight and number mixing and
Into the crosslinking agent is tetraethyl orthosilicate, and the silane coupler is VTES；
(5) component A for mixing is added in B component, component A is 18 with the ratio of weight and number of B groups:7, at 150 DEG C
At a temperature of mix 3h obtain final product anti-oxidant high-temperature resisting liquid silicon rubber.
Claims (8)
1. a kind of anti-oxidant high-temperature resisting liquid silicon rubber, it is characterized by, press 3 by component A and B component:40—18:7 weight portion
Number ratio is mixed；
The composition of the component A is counted as follows by weight：
The composition of the B component is counted as follows by weight：
2. a kind of anti-oxidant high-temperature resisting liquid silicon rubber as claimed in claim 1, it is characterized by, the composition of the base rubber
Count by weight as follows：
25 DEG C of measure viscosity are vinyl polysiloxane 30-45 parts of 7000-8000cp, 25 DEG C and determine viscosity for 1500-
It is the vinyl polysiloxane 18- of 12000-25000cp that vinyl polysiloxane 10-22 parts, 25 DEG C of 3200cp determines viscosity
36 parts, bicyclohexane 2-9 parts, glycerine 20-34 parts, 3- (3,5- di-tert-butyl-hydroxy phenyls) propionic acid n-octadecane alcohol ester
1-7 parts, t etram-ethyltetravinylcyclotetrasiloxane 12-18 parts.
3. a kind of anti-oxidant high-temperature resisting liquid silicon rubber as claimed in claim 1, it is characterized by, in the B component, base rubber with
Weight ratio between polysilazane resin is 2:1.
4. a kind of anti-oxidant high-temperature resisting liquid silicon rubber as claimed in claim 1, it is characterized by, the accelerator is dimethyl
Zinc dithiocarbamate, stearic acid, isopropanol and sodium acid carbonate press 25：2：6：3 ratio of weight and number is mixed.
5. a kind of anti-oxidant high-temperature resisting liquid silicon rubber as claimed in claim 1, it is characterized by, the inhibitor is by weight
Number meter presses 3 by 2- methyl -3- butyne-2-alcohols, butyl oleate, tetramethyl divinyl disiloxane:2:5 ratio of weight and number is mixed
Conjunction is formed.
6. a kind of anti-oxidant high-temperature resisting liquid silicon rubber as claimed in claim 1, it is characterized by, the crosslinking agent is positive silicic acid
The mixing of one or more in ethyl ester, cumyl peroxide, benzoyl peroxide.
7. a kind of anti-oxidant high-temperature resisting liquid silicon rubber as claimed in claim 1, it is characterized by, the silane coupler is double
(two octyloxy pyrophosphoric acid ester groups) ethylene titanate esters, γ-(oxygen of 2,3- epoxies third) propyl trimethoxy silicane, the second of vinyl three
One kind in TMOS, vinyl three ('beta '-methoxy ethyoxyl) silane.
8. a kind of preparation method of anti-oxidant high-temperature resisting liquid silicon rubber, it is characterized by, its step is as follows：
(1) base rubber is prepared：
1. it is vinyl polysiloxane, glycerine, the 3- (3,5- di-t-butyl -4- hydroxyls of 1500-3200cp to determine viscosity by 25 DEG C
Base phenyl) propionic acid n-octadecane alcohol ester add kneader in, 3-4h is mediated at a temperature of 30-40 DEG C；
2. after 70-80 DEG C will be increased in kneader in 30-60min, it is the second of 7000-8000cp to add 25 DEG C to determine viscosity
Alkenyl polysiloxanes continues to mediate 2-3h；
3. it is vinyl polysiloxane, bicyclohexane, the tetramethyl tetrem of 12000-25000cp to continuously add 25 DEG C and determine viscosity
Alkenyl cyclotetrasiloxane, mediates while the temperature lifted in kneader, makes temperature rise with the speed of 5 DEG C/15min, directly
After rising to 170-180 DEG C to temperature, continue to obtain base rubber by mediating 2-3h；
(2) polysilazane resin is prepared：
By weight by iron containing polysilazane 45-60 parts, 20-30 parts of methacrylic acid fourth fat, epoxy resin 18-27 parts, three
Ethamine 5-13 parts, butanone 8-13 parts, batch mixing 3-5h is at a temperature of 70-90 DEG C in divinylbenzene 10-16 parts of addition kneading machine
Polysilazane resin can be obtained；
Wherein, the structural formula of iron containing polysilazane is：
R1 is methyl, R2 for H, R3 are that vinyl or phenyl, Fe are ferrous iron, n=
20-800；
(3) component A is prepared：
By base rubber after heating 20-40min at a temperature of 60-70 DEG C, platinum complex compound, white carbon, accelerator mixing 40- are added
60min；
(4) B component is prepared：
After base rubber and polysilazane resin are mixed into 10-20min at a temperature of 50-60 DEG C, add silica, inhibitor,
Crosslinking agent, silane coupler, continue to mix 60-80min after temperature is increased into 80-100 DEG C；
(5) component A for mixing is added in B component, 2-3h is mixed at a temperature of 120-150 DEG C and is obtained final product anti-oxidant high temperature resistant
Liquid silastic.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108822723A (en) * | 2018-05-31 | 2018-11-16 | 镇江高美新材料有限公司 | A kind of liquid silicon rubber composition of engineering plastic modification |
| CN112500789A (en) * | 2020-12-09 | 2021-03-16 | 浙江清优材料科技有限公司 | Fireproof heat-insulating coating for delaying thermal diffusion of lithium battery and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101041717A (en) * | 2006-03-24 | 2007-09-26 | 中国科学院化学研究所 | Preparation method of iron containing polysilazane |
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| CN101041717A (en) * | 2006-03-24 | 2007-09-26 | 中国科学院化学研究所 | Preparation method of iron containing polysilazane |
| CN103319903A (en) * | 2013-07-01 | 2013-09-25 | 江苏天辰硅材料有限公司 | Double-component addition type room-temperature vulcanizing silicone rubber and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108822723A (en) * | 2018-05-31 | 2018-11-16 | 镇江高美新材料有限公司 | A kind of liquid silicon rubber composition of engineering plastic modification |
| CN112500789A (en) * | 2020-12-09 | 2021-03-16 | 浙江清优材料科技有限公司 | Fireproof heat-insulating coating for delaying thermal diffusion of lithium battery and preparation method thereof |
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