CN105348815A - Whisker/silicone rubber composite and preparation method thereof - Google Patents
Whisker/silicone rubber composite and preparation method thereof Download PDFInfo
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- CN105348815A CN105348815A CN201510898471.3A CN201510898471A CN105348815A CN 105348815 A CN105348815 A CN 105348815A CN 201510898471 A CN201510898471 A CN 201510898471A CN 105348815 A CN105348815 A CN 105348815A
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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
- 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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
Abstract
The invention discloses a whisker/silicone rubber composite and a preparation method thereof. The preparation method includes the steps that A, 100 parts of vinyl polysiloxane compound rubber, 20-30 parts of white carbon black and 3 parts of first polysiloxane by mass are kneaded for at least 4 h at the temperature of 30-80 DEG C, and base rubber is obtained, wherein first polysiloxane is hydroxyl-terminated polysiloxane with the average molecular weight of 610-1,110; B, the base rubber and 24-60 parts of magnesium sulfate whiskers or magnesium borate whiskers by mass are kneaded for at least 3 h at the temperature of 30-80 DEG C, and a rubber compound is obtained; C, the rubber compound and 2-5 parts of vulcanizing agent by mass are mixed on a double-roller machine, a first mixture is obtained, the first mixture is pressurized and vulcanized for 20 min-30 min in a press vulcanizer at the pressure of 9 MPa-11MPa and the temperature of 165 DEG C-175 DEG C, the pressure is kept for at least 1 h, cooling is conducted, and then the whisker/silicone rubber composite is obtained. The whisker/silicone rubber composite prepared through the preparation method is further disclosed. The whiskers serve as flame retardant of the whisker/silicone rubber composite, and the advantages of being low in toxicity, stable, capable of abating smoke and the like are achieved.
Description
Technical field
The invention belongs to silastic material technical field, specifically, relate to a kind of whisker/silicon rubber composite material and preparation method thereof.
Background technology
Silicon rubber has unique chemical stability, weathering resistance, resistant of high or low temperature, insulativity and physiological inertia etc., and it is all widely used in the every field of national economy.But containing a large amount of carbon and hydrogen in the molecular chain of silicon rubber, meeting naked light will sustained combustion, thus limit its application in the field such as electric wire, electric, automobile, aerospace to a certain extent.Therefore need to carry out flame-retardant modified to silicon rubber, to expand its use range.
The fire retardant that silicon rubber is conventional can be divided into additive flame retardant and reactive flame retardant.Additive flame retardant refers to and chemical reaction does not occur, the fire retardant be just scattered in for physically wherein with silicon rubber; Reactive flame retardant refers to it itself is the monomer of silicon rubber, or it participates in the chemical reaction of silastic elastomer as auxiliary reagent, becomes the fire retardant of a part for silastic structure.Additive flame retardant comprises organic fire-retardant and inorganic combustion inhibitor.Organic fire-retardant is as decabromodiphynly oxide, three (2,3-dibromopropyl) phosphoric acid ester, hexabromocyclododecane, poly-2,6-dibromobenzene aether, clorafin, polyphosphate and red phosphorus etc.Though organic fire-retardant can play fire retardation, the toxic gas that the silicon rubber prepared discharges when burning is larger to harm.Inorganic combustion inhibitor comprises copper and copper compound, platinum and platinic compound, magnesium hydroxide etc.Copper and copper compound and silicon rubber with the use of time, sizing material is black, is difficult to match colors, so be subject to larger restriction in actual applications again.Platinum and platinic compound expensive, and easily by some trace impurity, as lost effect containing the compound polluted of N, P, S etc.When magnesium hydroxide is as fire retardant, need a large amount of interpolation just can play fire retardation, but a large amount of interpolation can have a strong impact on mechanical property and the processing characteristics of silicon rubber.
Summary of the invention
For solving above-mentioned prior art Problems existing, the invention provides a kind of whisker/silicon rubber composite material and preparation method thereof, this whisker/silicon rubber composite material, by adopting whisker as fire retardant, makes the product prepared have Halogen, fire-retardant feature.
In order to reach foregoing invention object, present invention employs following technical scheme:
A preparation method for whisker/silicon rubber composite material, comprises step: A, 100 parts of vinyl polysiloxane compound rubbers and 20 parts ~ 30 parts white carbon blacks, 3 part of first polysiloxane are mediated at least 4h at 30 DEG C ~ 80 DEG C, obtains base glue; Wherein, described first polysiloxane is hydroxy-end capped polysiloxane, and the average molecular mass of described first polysiloxane is 610 ~ 1110; B, described base glue and 24 parts ~ 60 parts whiskers are mediated at least 3h at 30 DEG C ~ 80 DEG C, obtain rubber unvulcanizate; Wherein, described whisker is selected from any one in alkali magnesium sulfate crystal whisker or magnesium borate crystal whisker; C, by described rubber unvulcanizate and 2 parts ~ 5 parts vulcanizing agents mixing on twin-roll machine, obtain the first mixture; Again described first mixture is placed in vulcanizing press at 9MPa ~ 11MPa, press vulcanization 20min ~ 30min, pressurize at least 1h cooling at 165 DEG C ~ 175 DEG C, obtains whisker/silicon rubber composite material; Wherein, described number is mass fraction.
Further, in described step B, also comprise: the base glue obtain the second polysiloxane being no more than 12 parts and described step one and described whisker mix; Described number is mass fraction; Wherein, described second polysiloxane is hydroxy-end capped polysiloxane, and the average molecular mass of described second polysiloxane is 610 ~ 1110.
Further, described vinyl polysiloxane compound rubber comprise mass percent be 20% ~ 80% the first rubber and mass percent be 80% ~ 20% the second rubber; Wherein, the mass percent of described first rubber medium vinyl is 0.23%, and the mass percent of described second rubber medium vinyl is 0.04%.
Further, in described step C, described vulcanizing agent be selected from 2,5-dimethyl-2,5-bis-(t-butyl peroxy) hexane, di-t-butyl peroxide, dicumyl peroxide any one.
Further, before described white carbon black and described vinyl polysiloxane compound rubber are mediated, the hydroxyl of silane coupling agent to the surface of described white carbon black is utilized to remove; Before described whisker and described base glue are mediated, the hydroxyl of silane coupling agent to the surface of described whisker is utilized to remove.
Another object of the present invention is also to provide a kind of whisker/silicon rubber composite material, is obtained: 100 parts of vinyl polysiloxane compound rubbers, 20 parts ~ 30 parts white carbon blacks, 3 part of first polysiloxane, 24 parts ~ 80 parts whiskers and 2 parts ~ 5 parts vulcanizing agents by following component according to the mass fraction through mixing, sulfuration; Wherein, described first polysiloxane is hydroxy-end capped polysiloxane, and the average molecular mass of described first polysiloxane is 610 ~ 1110; Described whisker be selected from alkali magnesium sulfate crystal whisker or magnesium borate crystal whisker any one.
Further, described hot-vulcanized silicone rubber also comprises the second polysiloxane being no more than 12 parts; Wherein, described second polysiloxane is hydroxy-end capped polysiloxane, and the average molecular mass of described second polysiloxane is 610 ~ 1110.
Further, described vinyl polysiloxane compound rubber comprise mass percent be 20% ~ 80% the first rubber and mass percent be 80% ~ 20% the second rubber; Wherein, the mass percent of described first rubber medium vinyl is 0.23%, and the mass percent of described second rubber medium vinyl is 0.04%.
Further, described vulcanizing agent is selected from any one in 2,5-dimethyl-2,5-bis-(t-butyl peroxy) hexane, di-t-butyl peroxide, dicumyl peroxide.
The present invention, using alkali magnesium sulfate crystal whisker and/or magnesium borate crystal whisker as fire retardant, makes the whisker/silicon rubber composite material prepared have the advantages such as low toxicity, stable, smoke elimination; Meanwhile, the mechanical property of above-mentioned whisker to whisker/silicon rubber composite material of certain addition has strengthening action.Whisker/silicon rubber composite material of the present invention, in high-temp combustion process, covers the surface of silicon rubber after above-mentioned whisker melting wherein, form vitreum tectum, thus plays isolation action; And when using alkali magnesium sulfate crystal whisker as fire retardant, it at high temperature decomposes the water vapor discharged and cools heat-absorbing action in addition, the thermolysis approach of silicon rubber can be changed, suppress the generation of inflammable gas.
Accompanying drawing explanation
The following description carried out in conjunction with the drawings, the above-mentioned and other side of embodiments of the invention, feature and advantage will become clearly, in accompanying drawing:
Fig. 1 is the SEM picture in the whisker/silicon rubber composite material cross section after tension fracture according to embodiments of the invention 1;
Fig. 2 is the SEM picture in the whisker/silicon rubber composite material cross section after tension fracture according to embodiments of the invention 4.
Embodiment
Below, embodiments of the invention are described in detail with reference to the accompanying drawings.But, the present invention can be implemented in many different forms, and the present invention should not be interpreted as being limited to the specific embodiment of setting forth here.On the contrary, provide these embodiments to be to explain principle of the present invention and practical application thereof, thus enable others skilled in the art understand various embodiment of the present invention and be suitable for the various amendments of certain expected application.In the accompanying drawings, for the sake of clarity, the shape and size of element can be exaggerated, and identical label will be used to indicate same or analogous element all the time.
Although will be appreciated that and term " first ", " second " etc. can be used here to describe various element, these elements should by the restriction of these terms.These terms are only for separating an element and another element region.
The invention provides a kind of Halogen, fire-retardant whisker/silicon rubber composite material, it comprises the vinyl polysiloxane compound rubber of 100 parts, the white carbon black of 20 parts ~ 30 parts, first polysiloxane of 3 parts, the whisker of 24 parts ~ 80 parts, 2 parts ~ 5 parts vulcanizing agents and is no more than second polysiloxane of 12 parts, is more than mass fraction; Wherein, described first polysiloxane and the second polysiloxane are hydroxy-end capped polysiloxane, and the average molecular mass of the two is 610 ~ 1110; And described whisker refers to any one in alkali magnesium sulfate crystal whisker or magnesium borate crystal whisker.
Particularly, vulcanizing agent can be selected from any one in 2,5-dimethyl-2,5-bis-(t-butyl peroxy) hexane, di-t-butyl peroxide, dicumyl peroxide.
What deserves to be explained is, in high-temp combustion process, after the whisker melting in above-mentioned whisker/silicon rubber composite material, cover the surface of silicon rubber, form vitreum tectum, play isolation action; Meanwhile, when using alkali magnesium sulfate crystal whisker as fire retardant, its water vapor discharged when pyrolytic decomposition has cooling heat-absorbing action, also can change the thermolysis approach of silicon rubber, suppresses the generation of inflammable gas.
Be described in detail to the preparation method of described whisker/silicon rubber composite material below.
Step one: 100 parts of vinyl polysiloxane compound rubbers and 20 parts ~ 30 parts white carbon blacks, 3 part of first polysiloxane are mediated at least 4h at 30 DEG C ~ 80 DEG C, obtains base glue.
In the present embodiment, described vinyl polysiloxane compound rubber comprise mass percent be 20% ~ 80% the first rubber and mass percent be 80% ~ 20% the second rubber; Wherein, the mass percent of described first rubber medium vinyl is 0.23%, and the mass percent of described second rubber medium vinyl is 0.04%.That is, in the present embodiment, the mixture of described 100 parts of its essence of vinyl polysiloxane compound rubber are the mass percent of 20 parts ~ 80 parts of vinyl to be first rubber of 0.23% and the mass percent of 80 parts ~ 20 parts of vinyl be second rubber of 0.04%.
Meanwhile, described first polysiloxane refers to hydroxy-end capped polysiloxane, and its average molecular mass is 610 ~ 1110; That is, in described first polysiloxane, its end is hydroxyl; If described first polysiloxane is straight chain, then the group at its two ends is hydroxyl; If described first polysiloxane is with side chain, then the group at its main chain two ends and the group of its branch terminals are hydroxyl; And in described first polysiloxane, the mass percent shared by hydroxyl is 6% ~ 8%.
Preferably, described white carbon black before use, needs to go hydroxyl process through silane coupling agent to its surface.Concrete treatment process is: by 100 parts of gas-phase silicas at 120 DEG C ~ 150 DEG C dry 2h, then be placed in the there-necked flask with reflux condensate device, stir and dropwise add 15 parts of hexamethyldisilazanes as silane coupling agent and 1 ~ 2 dibutyl tin laurates as catalyzer, slowly be warming up to 200 DEG C, reflux condensation mode reaction 2h, last slow cooling, obtain white carbon black described in step one, the surface hydroxyl processing rate of this white carbon black is 30% ~ 60%, that is, the hydroxyl on this white carbon black surface has 30% ~ 60% processed removal.
Step 2: add 24 parts ~ 60 parts whiskers in the base glue that step one obtains, and mediate at least 3h at 30 DEG C ~ 80 DEG C, obtains rubber unvulcanizate; Wherein, described whisker is alkali magnesium sulfate crystal whisker or magnesium borate crystal whisker.
What deserves to be explained is, in described step 2, also can add the second polysiloxane being no more than 12 parts in described base glue.
Particularly, described second polysiloxane is hydroxy-end capped polysiloxane, and its relative molecular mass is 610 ~ 1110; That is, in described second polysiloxane, its end is hydroxyl; If described second polysiloxane is straight chain, then the group at its two ends is hydroxyl; If described second polysiloxane is with side chain, then the group at its main chain two ends and the group of its branch terminals are hydroxyl; And in described second polysiloxane, the mass percent shared by hydroxyl is 6% ~ 8%.
Preferably, described whisker before use, needs to go hydroxyl process through silane coupling agent to its surface.Concrete treatment process is: adopt fluidization process, using nitrogen as carrier gas, silane coupling agent hexamethyldisilazane is passed in fluidized-bed, and at 50 DEG C ~ 120 DEG C to whisker carry out surface go hydroxyl process.
Step 3: the rubber unvulcanizate that step 2 is obtained and 2 parts ~ 5 parts vulcanizing agents mixing on twin-roll machine, obtain the first mixture; Again described first mixture is placed in vulcanizing press at 9MPa ~ 11MPa, press vulcanization 20min ~ 30min, pressurize at least 1h cooling at 165 DEG C ~ 175 DEG C, preferably at 10MPa, press vulcanization 25min, pressurize 1h cool at 170 DEG C, obtain whisker/silicon rubber composite material; Wherein, described number is mass fraction.
Particularly, vulcanizing agent can be any one in 2,5-dimethyl-2,5-bis-(t-butyl peroxy) hexane, di-t-butyl peroxide, dicumyl peroxide.
Below, with reference to specific embodiment, the component of whisker/silicon rubber composite material according to the present invention and preparation method are described in detail, contrast for convenience of to the component of each embodiment and experiment parameter, analyze each embodiment of contrast in table form; The component of the whisker/silicon rubber composite material in embodiment 1-4 and the comparing result prepared under different experiments parameter are respectively as shown in Table 1 and Table 2.
Table 1 is according to the Comparative of the whisker/silicon rubber composite material of embodiments of the invention 1-4
Table 2 is according to the preparation experiment parameter comparison of embodiments of the invention 1-4
When preparing whisker/silicon rubber composite material, white carbon black can strengthen the mechanical property of described whisker/silicon rubber composite material, meanwhile, because it is non-combustible material, also can play fire-retardant effect to a certain extent.
Certainly, as the vulcanizing agent in the preparation process of whisker/silicon rubber composite material, it is not limited to 2,5-dimethyl-2 in embodiment 1-4,5-bis-(t-butyl peroxy) hexane can also be that other are as di-t-butyl peroxide, dicumyl peroxide etc.
Measure the tensile strength of whisker/silicon rubber composite material that above-described embodiment 1-4 prepares, elongation at break and limiting oxygen index(LOI) respectively, measurement result is as shown in table 3.
Table 3 is according to the performance comparison of the whisker/silicon rubber composite material of embodiments of the invention 1-4
| Embodiment | Tensile strength/MPa | Elongation at break/% | Limiting oxygen index(LOI)/% |
| Embodiment 1 | 3.97 | 591.6 | 24.8 |
| Embodiment 2 | 2.95 | 570.9 | 25 |
| Embodiment 3 | 3.19 | 527.7 | 32.9 |
| Embodiment 4 | 3.86 | 533.8 | 30.5 |
In whisker/silicon rubber composite material, tensile strength and elongation at break larger, show that the mechanical property of described whisker/silicon rubber composite material is better, and limiting oxygen index(LOI) is larger, shows that the flame retardant properties of described whisker/silicon rubber composite material is better.In whisker/silicon rubber composite material, universal tensile strength is generally 3.9MPa ~ 7.8MPa, the elongation at break of high anti-tear type is generally 400% ~ 600%, as can be seen here, the whisker/silicon rubber composite material in embodiments of the invention all reaches the level of prior art in tensile strength and elongation at break; And the limiting oxygen index(LOI) of whisker/silicon rubber composite material in this enforcement also belongs to the good level of about 30%, therefore whisker/the silicon rubber composite material of the present embodiment not only has good flame retardant effect, and possesses excellent mechanical property.
Carried out sem test (SEM test) to the stretched post-rift cross section of whisker/silicon rubber composite material described in embodiment 1 and embodiment 4, its test result respectively as depicted in figs. 1 and 2.In fig. 1 and 2, can find out significantly, occur the cotton-shaped polymer external phase after destroying and uneven depression; Simultaneously, as can be seen from Fig. 1 and Fig. 2, species distribution in corynebacterium is even, and the material in corynebacterium in Fig. 1 is compared with less in the material of corynebacterium in Fig. 2, this is owing to employing less whisker compared with in embodiment 4 in preparation process in embodiment 1 in preparation process, and the material in corynebacterium shown in Fig. 1 and Fig. 2 and whisker.
Whisker/silicon rubber composite material is using alkali magnesium sulfate crystal whisker or magnesium borate crystal whisker as fire retardant according to an embodiment of the invention, has prepared Halogen, fire-retardant whisker/silicon rubber composite material; The use of described fire retardant makes described whisker/silicon rubber composite material have good flame retardant effect and excellent mechanical property.
Although illustrate and describe the present invention with reference to specific embodiment, but it should be appreciated by those skilled in the art that: when not departing from the spirit and scope of the present invention by claim and equivalents thereof, the various changes in form and details can be carried out at this.
Claims (9)
1. a preparation method for whisker/silicon rubber composite material, is characterized in that, comprises step:
A, 100 parts of vinyl polysiloxane compound rubbers and 20 parts ~ 30 parts white carbon blacks, 3 part of first polysiloxane are mediated at least 4h at 30 DEG C ~ 80 DEG C, obtain base glue; Wherein, described first polysiloxane is hydroxy-end capped polysiloxane, and the average molecular mass of described first polysiloxane is 610 ~ 1110;
B, described base glue and 24 parts ~ 60 parts whiskers are mediated at least 3h at 30 DEG C ~ 80 DEG C, obtain rubber unvulcanizate; Wherein, described whisker is selected from any one in alkali magnesium sulfate crystal whisker or magnesium borate crystal whisker;
C, by described rubber unvulcanizate and 2 parts ~ 5 parts vulcanizing agents mixing on twin-roll machine, obtain the first mixture; Again described first mixture is placed in vulcanizing press at 9MPa ~ 11MPa, press vulcanization 20min ~ 30min, pressurize at least 1h cooling at 165 DEG C ~ 175 DEG C, obtains whisker/silicon rubber composite material;
Wherein, described number is mass fraction.
2. preparation method according to claim 1, is characterized in that, in described step B, also comprises: mixed with described base glue and described whisker by the second polysiloxane being no more than 12 parts; Described number is mass fraction; Wherein, described second polysiloxane is hydroxy-end capped polysiloxane, and the average molecular mass of described second polysiloxane is 610 ~ 1110.
3. preparation method according to claim 1 and 2, is characterized in that, described vinyl polysiloxane compound rubber comprise mass percent be 20% ~ 80% the first rubber and mass percent be 80% ~ 20% the second rubber; Wherein, the mass percent of described first rubber medium vinyl is 0.23%, and the mass percent of described second rubber medium vinyl is 0.04%.
4. preparation method according to claim 3, is characterized in that, in described step C, described vulcanizing agent be selected from 2,5-dimethyl-2,5-bis-(t-butyl peroxy) hexane, di-t-butyl peroxide, dicumyl peroxide any one.
5. preparation method according to claim 1, is characterized in that, before described white carbon black and described vinyl polysiloxane compound rubber are mediated, utilizes the hydroxyl of silane coupling agent to the surface of described white carbon black to remove;
Before described whisker and described base glue are mediated, the hydroxyl of silane coupling agent to the surface of described whisker is utilized to remove.
6. whisker/silicon rubber composite material, it is characterized in that, obtained through mixing, sulfuration by following component according to the mass fraction: 100 parts of vinyl polysiloxane compound rubbers, 20 parts ~ 30 parts white carbon blacks, 3 part of first polysiloxane, 24 parts ~ 80 parts whiskers and 2 parts ~ 5 parts vulcanizing agents; Wherein, described first polysiloxane is hydroxy-end capped polysiloxane, and the average molecular mass of described first polysiloxane is 610 ~ 1110; Described whisker be selected from alkali magnesium sulfate crystal whisker or magnesium borate crystal whisker any one.
7. whisker/silicon rubber composite material according to claim 6, is characterized in that, described hot-vulcanized silicone rubber also comprises the second polysiloxane being no more than 12 parts; Wherein, described second polysiloxane is hydroxy-end capped polysiloxane, and the average molecular mass of described second polysiloxane is 610 ~ 1110.
8. whisker/silicon rubber composite material according to claim 7, is characterized in that, described vinyl polysiloxane compound rubber comprise mass percent be 20% ~ 80% the first rubber and mass percent be 80% ~ 20% the second rubber; Wherein, the mass percent of described first rubber medium vinyl is 0.23%, and the mass percent of described second rubber medium vinyl is 0.04%.
9. whisker/silicon rubber composite material according to claim 8, is characterized in that, described vulcanizing agent be selected from 2,5-dimethyl-2,5-bis-(t-butyl peroxy) hexane, di-t-butyl peroxide, dicumyl peroxide any one.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111995872A (en) * | 2020-09-04 | 2020-11-27 | 江苏英亚高分子材料科技有限公司 | Magnesium borate whisker reinforced high-tear-resistance silicone rubber sealing material |
| CN112442176A (en) * | 2019-08-28 | 2021-03-05 | 广东广山新材料股份有限公司 | Phosphorus-containing reactive flame retardant, silicone rubber composition, preparation method and application |
| CN112876847A (en) * | 2020-12-30 | 2021-06-01 | 嘉兴依赛新材料科技有限公司 | Foaming silicone rubber and preparation method thereof |
| CN116285360A (en) * | 2023-03-15 | 2023-06-23 | 东莞市富颖电子材料有限公司 | Silica gel for intelligent wearing product and preparation method thereof |
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| CN1640937A (en) * | 2004-12-22 | 2005-07-20 | 华南理工大学 | Fire-retardant silicon rubber and its preparation method |
| CN103265815A (en) * | 2013-05-23 | 2013-08-28 | 苏州富通高新材料科技股份有限公司 | High temperature resistant silicon rubber and preparation method thereof |
| CN104761914A (en) * | 2015-04-14 | 2015-07-08 | 柳培健 | Semi-conductive mixed silicone rubber prepared by blending carbon black and metallic compound whisker |
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| CN1640937A (en) * | 2004-12-22 | 2005-07-20 | 华南理工大学 | Fire-retardant silicon rubber and its preparation method |
| CN103265815A (en) * | 2013-05-23 | 2013-08-28 | 苏州富通高新材料科技股份有限公司 | High temperature resistant silicon rubber and preparation method thereof |
| CN104761914A (en) * | 2015-04-14 | 2015-07-08 | 柳培健 | Semi-conductive mixed silicone rubber prepared by blending carbon black and metallic compound whisker |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112442176A (en) * | 2019-08-28 | 2021-03-05 | 广东广山新材料股份有限公司 | Phosphorus-containing reactive flame retardant, silicone rubber composition, preparation method and application |
| CN111995872A (en) * | 2020-09-04 | 2020-11-27 | 江苏英亚高分子材料科技有限公司 | Magnesium borate whisker reinforced high-tear-resistance silicone rubber sealing material |
| CN112876847A (en) * | 2020-12-30 | 2021-06-01 | 嘉兴依赛新材料科技有限公司 | Foaming silicone rubber and preparation method thereof |
| CN116285360A (en) * | 2023-03-15 | 2023-06-23 | 东莞市富颖电子材料有限公司 | Silica gel for intelligent wearing product and preparation method thereof |
| CN116285360B (en) * | 2023-03-15 | 2023-09-19 | 东莞市富颖电子材料有限公司 | Silica gel for intelligent wearing product and preparation method thereof |
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| CN105348815B (en) | 2018-05-04 |
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