CN116041960A - Semitransparent antistatic silicone rubber material capable of being colored - Google Patents
Semitransparent antistatic silicone rubber material capable of being colored Download PDFInfo
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- CN116041960A CN116041960A CN202310047281.5A CN202310047281A CN116041960A CN 116041960 A CN116041960 A CN 116041960A CN 202310047281 A CN202310047281 A CN 202310047281A CN 116041960 A CN116041960 A CN 116041960A
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- silicone rubber
- antistatic
- silane coupling
- rubber material
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- 229920002379 silicone rubber Polymers 0.000 title claims abstract description 56
- 239000004945 silicone rubber Substances 0.000 title claims abstract description 38
- 239000000463 material Substances 0.000 title claims description 23
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 34
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000006230 acetylene black Substances 0.000 claims abstract description 32
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000002216 antistatic agent Substances 0.000 claims abstract description 21
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 21
- 239000010936 titanium Substances 0.000 claims abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910021485 fumed silica Inorganic materials 0.000 claims abstract description 17
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 17
- 239000004205 dimethyl polysiloxane Substances 0.000 claims abstract description 14
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims abstract description 14
- -1 polydimethylsiloxane Polymers 0.000 claims abstract description 14
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 13
- 229920002545 silicone oil Polymers 0.000 claims abstract description 13
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims description 30
- 238000010438 heat treatment Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 125000003545 alkoxy group Chemical group 0.000 claims description 12
- 239000011259 mixed solution Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims description 6
- 238000000967 suction filtration Methods 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- 238000001291 vacuum drying Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 2
- 241000872198 Serjania polyphylla Species 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000003054 catalyst Substances 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000004383 yellowing Methods 0.000 abstract description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 abstract 1
- 239000006229 carbon black Substances 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 229910000077 silane Inorganic materials 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/017—Additives being an antistatic agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a colored semitransparent antistatic silicone rubber, which comprises 70-115 parts of alpha, omega-dihydroxy polydimethylsiloxane; 5-12 parts of acetylene black treated by a silane coupling agent; 4-10 parts of antistatic agent; 0.05 to 0.5 part of titanium complex; 3-13 parts of hydrophobic fumed silica; 10-17 parts of dimethyl silicone oil; 1-2 parts of methyl orthosilicate. The antistatic agent is added into the raw material formula of the silicone rubber, the amount of the antistatic agent is optimized, and the electrostatic coefficient of the finally prepared silicone rubber finished product is detected to be 10 6 ～10 9 Between them; para-acetylene using silane coupling agentsThe carbon black is treated so that the final silicone rubber obtains excellent performance; the titanium complex is used as a catalyst, so that the silicon rubber has better transparency and yellowing resistance and is convenient to color; the use of hydrophobic fumed silica can further improve the transparency of silicone rubber.
Description
Technical Field
The invention relates to a colorable semitransparent antistatic silicone rubber material.
Background
With the development of the social industry, people's awareness of safety is also strengthened, wherein static electricity is one of the important safety precautions in the industrial development. Silicone rubber is applied to various fields due to its excellent high temperature resistance, cold resistance, radiation resistance, physiological inertia and stable chemical properties. However, the silicone rubber generates static electricity due to friction in the daily use process, so that potential safety hazards are caused, and meanwhile, the application of the silicone rubber in industry is limited.
Meanwhile, in order to meet the requirements of coloring the silicone rubber, the silicone rubber needs to be semitransparent.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a semitransparent antistatic silicone rubber material capable of being colored, which comprises the following specific scheme:
the colorable semitransparent antistatic silicone rubber material comprises the following components in parts by weight:
70-115 parts of alpha, omega-dihydroxy polydimethylsiloxane;
5-12 parts of acetylene black treated by a silane coupling agent;
4-10 parts of antistatic agent;
0.05 to 0.5 part of titanium complex;
3-13 parts of hydrophobic fumed silica;
10-17 parts of dimethyl silicone oil;
1-2 parts of methyl orthosilicate.
Further, the specific steps of treating the acetylene black by the silane coupling agent are as follows:
s1: mixing a composite silane coupling agent with absolute ethyl alcohol to prepare a mixed solution;
s2: adding the suspension of the acetylene black into a beaker, and placing the beaker into a water bath kettle to perform water bath heating and continuous stirring;
s3: adding the mixed solution prepared in the step S1 into a beaker of the step S2, and reacting for 1.5 hours;
s4: and S3, after the reaction is finished, carrying out ultrasonic oscillation, suction filtration, washing and vacuum drying to finally obtain the acetylene black treated by the silane coupling agent.
Further, the antistatic agent is 5% of the total amount of the alpha, omega-dihydroxy polydimethylsiloxane and the hydrophobic fumed silica by mass.
Further, the composite silane coupling agent in S1 is a mixture of KH-550 and KH-792, and the mass ratio of KH-550 to KH-792 is 1: (0.8-1.5).
Further, the temperature of water bath heating is set to be 60-80 ℃ in the step S2.
Further, the antistatic agent is AESA.
A preparation method of a colorable semitransparent antistatic silicone rubber material comprises the following steps:
s1, preparing alkoxy end-capped silicon rubber: adding alpha, omega-dihydroxy polydimethylsiloxane into a container, stirring and heating, adding methyl orthosilicate and titanium complex, continuing mixing, cooling and discharging;
s2: dispersing the alkoxy end-capped silicon rubber prepared in the step S1, dimethyl silicone oil, hydrophobic fumed silica, acetylene black treated by a silane coupling agent and an antistatic agent in a planetary dispersing machine, and vacuumizing and mixing;
s3: and (3) vacuumizing and mixing, adding the titanium complex, mixing, and vulcanizing.
The beneficial effects are that:
the invention provides a colorable semitransparent antistatic silicone rubber material, which is prepared by firstly adding antistatic agent into a silicone rubber raw material formula, optimizing the amount of the antistatic agent, and detecting that the electrostatic coefficient of a finally prepared silicone rubber finished product is 10 6 ～10 9 Between them; the silane coupling agent is used for treating the acetylene black so that the final silicon rubber obtains excellent performance; the titanium complex is used as a catalyst, so that the silicone rubber has better transparency and yellowing resistance and is convenient to color; the use of hydrophobic fumed silica can further improve the transparency of silicone rubber.
Detailed Description
The present invention will be further described in detail with reference to examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
Example 1
The colorable semitransparent antistatic silicone rubber material comprises the following components in parts by weight:
70 parts of alpha, omega-dihydroxy polydimethylsiloxane;
5 parts of acetylene black treated by a silane coupling agent;
4 parts of antistatic agent;
0.05 parts of titanium complex;
3 parts of hydrophobic fumed silica;
10 parts of dimethyl silicone oil;
1 part of methyl orthosilicate.
A method for preparing a colorable semitransparent antistatic silicone rubber, which comprises the following steps:
(1) Preparation of silane coupling agent treated acetylene black
S1: mixing a composite silane coupling agent with absolute ethyl alcohol to prepare a mixed solution;
s2: adding the suspension of the acetylene black into a beaker, and placing the beaker into a water bath kettle to perform water bath heating and continuous stirring;
s3: adding the mixed solution prepared in the step S1 into a beaker of the step S2, and reacting for 1.5 hours;
s4: and S3, after the reaction is finished, carrying out ultrasonic oscillation, suction filtration, washing and vacuum drying to finally obtain the acetylene black treated by the silane coupling agent.
(2) Preparation of colorable semitransparent antistatic silicon rubber material
S1, preparing alkoxy end-capped silicon rubber: adding alpha, omega-dihydroxy polydimethylsiloxane into a container, stirring and heating, adding methyl orthosilicate and titanium complex, continuing mixing, cooling and discharging;
s2: dispersing the alkoxy end-capped silicon rubber prepared in the step S1, dimethyl silicone oil, hydrophobic fumed silica, acetylene black treated by a silane coupling agent and an antistatic agent in a planetary dispersing machine, and vacuumizing and mixing;
s3: and (3) vacuumizing and mixing, adding the titanium complex, mixing, and vulcanizing.
Example 2
The colorable semitransparent antistatic silicone rubber material comprises the following components in parts by weight:
115 parts of alpha, omega-dihydroxy polydimethylsiloxane;
12 parts of acetylene black treated by a silane coupling agent;
10 parts of antistatic agent;
0.5 parts of titanium complex;
13 parts of hydrophobic fumed silica;
17 parts of dimethyl silicone oil;
2 parts of methyl orthosilicate.
A method for preparing a colorable semitransparent antistatic silicone rubber, which comprises the following steps:
(1) Preparation of silane coupling agent treated acetylene black
S1: mixing a composite silane coupling agent with absolute ethyl alcohol to prepare a mixed solution;
s2: adding the suspension of the acetylene black into a beaker, and placing the beaker into a water bath kettle to perform water bath heating and continuous stirring;
s3: adding the mixed solution prepared in the step S1 into a beaker of the step S2, and reacting for 1.5 hours;
s4: and S3, after the reaction is finished, carrying out ultrasonic oscillation, suction filtration, washing and vacuum drying to finally obtain the acetylene black treated by the silane coupling agent.
(2) Preparation of colorable semitransparent antistatic silicon rubber material
S1, preparing alkoxy end-capped silicon rubber: adding alpha, omega-dihydroxy polydimethylsiloxane into a container, stirring and heating, adding methyl orthosilicate and titanium complex, continuing mixing, cooling and discharging;
s2: dispersing the alkoxy end-capped silicon rubber prepared in the step S1, dimethyl silicone oil, hydrophobic fumed silica, acetylene black treated by a silane coupling agent and an antistatic agent in a planetary dispersing machine, and vacuumizing and mixing;
s3: and (3) vacuumizing and mixing, adding the titanium complex, mixing, and vulcanizing.
Example 3
The colorable semitransparent antistatic silicone rubber material comprises the following components in parts by weight:
80 parts of alpha, omega-dihydroxy polydimethylsiloxane;
8 parts of acetylene black treated by a silane coupling agent;
5 parts of antistatic agent;
0.2 parts of titanium complex;
8 parts of hydrophobic fumed silica;
12 parts of dimethyl silicone oil;
1.5 parts of methyl orthosilicate.
A method for preparing a colorable semitransparent antistatic silicone rubber, which comprises the following steps:
(1) Preparation of silane coupling agent treated acetylene black
S1: mixing a composite silane coupling agent with absolute ethyl alcohol to prepare a mixed solution;
s2: adding the suspension of the acetylene black into a beaker, and placing the beaker into a water bath kettle to perform water bath heating and continuous stirring;
s3: adding the mixed solution prepared in the step S1 into a beaker of the step S2, and reacting for 1.5 hours;
s4: and S3, after the reaction is finished, carrying out ultrasonic oscillation, suction filtration, washing and vacuum drying to finally obtain the acetylene black treated by the silane coupling agent.
(2) Preparation of colorable semitransparent antistatic silicon rubber material
S1, preparing alkoxy end-capped silicon rubber: adding alpha, omega-dihydroxy polydimethylsiloxane into a container, stirring and heating, adding methyl orthosilicate and titanium complex, continuing mixing, cooling and discharging;
s2: dispersing the alkoxy end-capped silicon rubber prepared in the step S1, dimethyl silicone oil, hydrophobic fumed silica, acetylene black treated by a silane coupling agent and an antistatic agent in a planetary dispersing machine, and vacuumizing and mixing;
s3: and (3) vacuumizing and mixing, adding the titanium complex, mixing, and vulcanizing.
Example 4:
the colorable semitransparent antistatic silicone rubber material comprises the following components in parts by weight:
100 parts of alpha, omega-dihydroxy polydimethylsiloxane;
7 parts of acetylene black treated by a silane coupling agent;
6 parts of antistatic agent;
0.3 parts of titanium complex;
7 parts of hydrophobic fumed silica;
12 parts of dimethyl silicone oil;
1.8 parts of methyl orthosilicate.
A method for preparing a colorable semitransparent antistatic silicone rubber, which comprises the following steps:
(1) Preparation of silane coupling agent treated acetylene black
S1: mixing a composite silane coupling agent with absolute ethyl alcohol to prepare a mixed solution;
s2: adding the suspension of the acetylene black into a beaker, and placing the beaker into a water bath kettle to perform water bath heating and continuous stirring;
s3: adding the mixed solution prepared in the step S1 into a beaker of the step S2, and reacting for 1.5 hours;
s4: and S3, after the reaction is finished, carrying out ultrasonic oscillation, suction filtration, washing and vacuum drying to finally obtain the acetylene black treated by the silane coupling agent.
(2) Preparation of colorable semitransparent antistatic silicon rubber material
S1, preparing alkoxy end-capped silicon rubber: adding alpha, omega-dihydroxy polydimethylsiloxane into a container, stirring and heating, adding methyl orthosilicate and titanium complex, continuing mixing, cooling and discharging;
s2: dispersing the alkoxy end-capped silicon rubber prepared in the step S1, dimethyl silicone oil, hydrophobic fumed silica, acetylene black treated by a silane coupling agent and an antistatic agent in a planetary dispersing machine, and vacuumizing and mixing;
s3: and (3) vacuumizing and mixing, adding the titanium complex, mixing, and vulcanizing.
The silicone rubber materials prepared in examples 1 to 4 were subjected to performance test to obtain a cured silicone rubber having an electrostatic coefficient of 10 6 ～10 9 Between them; the electrostatic coefficient is 10 after roasting at 120 ℃ for 2 hours 10 。
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (7)
1. The colorable semitransparent antistatic silicone rubber material is characterized by comprising the following components in parts by weight:
70-115 parts of alpha, omega-dihydroxy polydimethylsiloxane;
5-12 parts of acetylene black treated by a silane coupling agent;
4-10 parts of antistatic agent;
0.05 to 0.5 part of titanium complex;
3-13 parts of hydrophobic fumed silica;
10-17 parts of dimethyl silicone oil;
1-2 parts of methyl orthosilicate.
2. The colorable semitransparent antistatic silicone rubber material according to claim 1 wherein the specific step of treating acetylene black with a silane coupling agent is:
s1: mixing a composite silane coupling agent with absolute ethyl alcohol to prepare a mixed solution;
s2: adding the suspension of the acetylene black into a beaker, and placing the beaker into a water bath kettle to perform water bath heating and continuous stirring;
s3: adding the mixed solution prepared in the step S1 into a beaker of the step S2, and reacting for 1.5 hours;
s4: and S3, after the reaction is finished, carrying out ultrasonic oscillation, suction filtration, washing and vacuum drying to finally obtain the acetylene black treated by the silane coupling agent.
3. The colorable semitransparent antistatic silicone rubber material according to claim 1 wherein the antistatic agent has a mass fraction of 5% of the total amount of α, ω -dihydroxypolydimethylsiloxane and hydrophobic fumed silica.
4. The colorable semitransparent antistatic silicone rubber material according to claim 2 wherein the composite silane coupling agent in S1 is a mixture of KH-550 and KH-792, the mass ratio of KH-550 to KH-792 being 1: (0.8-1.5).
5. A tintable translucent antistatic silicone rubber material according to claim 2, wherein the temperature of the water bath heating is set in S2 to 60-80 ℃.
6. A tintable translucent antistatic silicone rubber material in accordance with claim 1, wherein the antistatic agent is AESA.
7. The method for producing a colorable translucent antistatic silicone rubber material according to any one of claims 1 to 6, comprising the steps of:
s1, preparing alkoxy end-capped silicon rubber: adding alpha, omega-dihydroxy polydimethylsiloxane into a container, stirring and heating, adding methyl orthosilicate and titanium complex, continuing mixing, cooling and discharging;
s2: dispersing the alkoxy end-capped silicon rubber prepared in the step S1, dimethyl silicone oil, hydrophobic fumed silica, acetylene black treated by a silane coupling agent and an antistatic agent in a planetary dispersing machine, and vacuumizing and mixing;
s3: and (3) vacuumizing and mixing, adding the titanium complex, mixing, and vulcanizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310047281.5A CN116041960A (en) | 2023-01-31 | 2023-01-31 | Semitransparent antistatic silicone rubber material capable of being colored |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310047281.5A CN116041960A (en) | 2023-01-31 | 2023-01-31 | Semitransparent antistatic silicone rubber material capable of being colored |
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| CN116041960A true CN116041960A (en) | 2023-05-02 |
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| CN202310047281.5A Pending CN116041960A (en) | 2023-01-31 | 2023-01-31 | Semitransparent antistatic silicone rubber material capable of being colored |
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