CN113637281A - Organic silicon oxygen-enriched film and preparation method thereof - Google Patents
Organic silicon oxygen-enriched film and preparation method thereof Download PDFInfo
- Publication number
- CN113637281A CN113637281A CN202110978030.XA CN202110978030A CN113637281A CN 113637281 A CN113637281 A CN 113637281A CN 202110978030 A CN202110978030 A CN 202110978030A CN 113637281 A CN113637281 A CN 113637281A
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- CN
- China
- Prior art keywords
- oxygen
- organic silicon
- enriched film
- benzoyl peroxide
- glue
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- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000001301 oxygen Substances 0.000 claims abstract description 18
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000004342 Benzoyl peroxide Substances 0.000 claims abstract description 14
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims abstract description 14
- 235000019400 benzoyl peroxide Nutrition 0.000 claims abstract description 14
- 239000003292 glue Substances 0.000 claims abstract description 13
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims abstract description 8
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 7
- 229910000077 silane Inorganic materials 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 238000000465 moulding Methods 0.000 claims abstract description 6
- 239000000376 reactant Substances 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 239000000899 Gutta-Percha Substances 0.000 claims abstract description 4
- 240000000342 Palaquium gutta Species 0.000 claims abstract description 4
- 229920000588 gutta-percha Polymers 0.000 claims abstract description 4
- 241000208689 Eucommia ulmoides Species 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 2
- 239000011230 binding agent Substances 0.000 claims 1
- 230000007547 defect Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 230000035699 permeability Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 229920001558 organosilicon polymer Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 229920002379 silicone rubber Polymers 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F253/00—Macromolecular compounds obtained by polymerising monomers on to natural rubbers or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/12—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2351/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2351/08—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2451/04—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to rubbers
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/544—Silicon-containing compounds containing nitrogen
- C08K5/5465—Silicon-containing compounds containing nitrogen containing at least one C=N bond
Abstract
The invention discloses an organic silicon oxygen-enriched film and a preparation method thereof, wherein the preparation method comprises the steps of uniformly mixing 107 glue, methyl methacrylate and gutta percha, heating to 55-65 ℃, dropwise adding a benzoyl peroxide solution, maintaining the temperature of a reaction system at 80-90 ℃, reacting for 2-3h, then intermittently vacuumizing until reactants are semitransparent, and cooling to obtain a base material; and uniformly stirring the base material, the organic tin and the methyl tributyl ketoxime silane, discharging steam in vacuum, and molding to obtain the organic silicon oxygen-enriched film. The oxygen-enriched film can effectively solve the problem of poor mechanical property of the existing organic silicon oxygen-enriched film.
Description
Technical Field
The invention relates to
Background
The organic silicon copolymer has many excellent performances such as high and low temperature resistance, physiological inertia, air permeability and the like, but has the defects of poor solvent resistance and mechanical property, high cost and the like, and in order to develop the wide application of the organic silicon copolymer, the organic silicon polymer is copolymerized with other organic polymers to make up the defects of the organic silicon polymer.
The modification by the graft copolymer is a main method developed in the seventies of the last century, has simple and convenient operation method and environmental protection, and is widely applied to the synthesis of new materials in recent years.
The principle of the method is that unsaturated bonds and olefin bonds on an organic silicon main chain are grafted to the organic silicon main chain under the action of a catalyst, so that the common performance of two different molecular polymers is formed, the purpose of advantage complementation is achieved, the application range of the polymers is widened, the comprehensive utilization is realized, and the cost is greatly reduced.
At present, the raw materials of organic synthesis are mainly from petrochemical industry, and with the development of economy, natural chemical raw materials are increasingly barren, and it is particularly important to find alternative raw materials.
The oxygen-enriched membrane is a new technology for preparing oxygen-enriched air developed in recent years, and the most widely used oxygen-enriched membrane material is silicon rubber which has the defects of high oxygen permeation speed and poor mechanical property.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an organic silicon oxygen-enriched film and a preparation method thereof, and the oxygen-enriched film can effectively solve the problem of poor mechanical property of the existing organic silicon oxygen-enriched film.
In order to achieve the purpose, the technical scheme adopted by the invention for solving the technical problems is as follows:
a preparation method of an organic silicon oxygen-enriched film comprises the following steps:
(1) uniformly mixing 107 glue, methyl methacrylate and gutta-percha, heating to 55-65 ℃, dropwise adding a benzoyl peroxide solution, maintaining the temperature of a reaction system at 80-90 ℃, reacting for 2-3 hours, then intermittently vacuumizing until reactants are semitransparent, and cooling to obtain a base material;
(2) and uniformly stirring the base material, the organic tin and the methyl tributyl ketoxime silane, discharging steam in vacuum, and molding to obtain the organic silicon oxygen-enriched film.
In the scheme, the eucommia ulmoides gum is grafted to the 107 gum through the methyl methacrylate, so that a three-dimensional cross-linked network is formed in a system, the mechanical property of the material is improved, and the mechanical properties such as the wear resistance of the prepared oxygen-enriched membrane are further improved; the reaction system is exothermic, a small amount of water can be generated after the reaction, and the water is pumped out in a vacuumizing mode, so that the subsequent operation is facilitated; and (3) after the reaction in the step (2), discharging gas generated in the raw material in a vacuum steam discharging mode, and avoiding the influence on the use of the oxygen-enriched film due to the existence of air holes on the film material after the mold is made.
Further, in step (1).
Further, the viscosity of the 107 glue was 3500 and 5000 mPas.
Furthermore, the mass concentration of the benzoyl peroxide is 25-35%.
Further, the solvent in the benzoyl peroxide solution is ethyl acetate.
Further, the mass ratio of the base material, the organic tin and the methyl tributyl ketoxime silane in the step (2) is 100:0.3-0.5: 3-4.
The beneficial effects produced by the invention are as follows:
according to the invention, the eucommia ulmoides gum is grafted to the 107 gum through the methyl methacrylate, so that a three-dimensional cross-linked network is formed in the system, the stability of the system is increased, the mechanical property of the system is further improved, and the wear resistance of the oxygen-enriched membrane is improved. The preparation method is simple and convenient to operate.
Detailed Description
Example 1
An organic silicon oxygen-enriched film is prepared by the following steps:
(1) uniformly mixing 107 glue with the viscosity of 3500 mPas, methyl methacrylate and eucommia ulmoides gum, heating to 55 ℃, dropwise adding a 25% benzoyl peroxide solution, maintaining the temperature of a reaction system at 80 ℃, reacting for 2 hours, intermittently vacuumizing until reactants are semitransparent, and cooling to obtain a base material; wherein the mass ratio of the 107 glue to the methyl methacrylate to the benzoyl peroxide to the eucommia ulmoides gum is 100:15:3: 8;
(2) uniformly stirring the base material, the organic tin and the methyl tributyl ketoxime silane according to the mass ratio of 100:0.3:3, discharging steam in vacuum, and molding to obtain the organic silicon oxygen-enriched film.
Example 2
An organic silicon oxygen-enriched film is prepared by the following steps:
(1) uniformly mixing 107 glue with the viscosity of 5000 mPas, methyl methacrylate and eucommia ulmoides gum, heating to 65 ℃, dropwise adding 35% by mass benzoyl peroxide solution, maintaining the temperature of a reaction system at 90 ℃, reacting for 3 hours, intermittently vacuumizing until reactants are semitransparent, and cooling to obtain a base material; wherein the mass ratio of the 107 glue to the methyl methacrylate to the benzoyl peroxide to the eucommia ulmoides gum is 100:25:5: 12;
(2) uniformly stirring the base material, the organic tin and the methyl tributyl ketoxime silane according to the mass ratio of 100:0.5:4, discharging steam in vacuum, and molding to obtain the organic silicon oxygen-enriched film.
Example 3
An organic silicon oxygen-enriched film is prepared by the following steps:
(1) uniformly mixing 107 glue with the viscosity of 4000mPa & s, methyl methacrylate and gutta-percha, heating to 60 ℃, dropwise adding a benzoyl peroxide solution with the mass concentration of 30%, maintaining the temperature of a reaction system at 85 ℃, reacting for 2 hours, then intermittently vacuumizing until reactants are semitransparent, and cooling to obtain a base material; wherein the mass ratio of the 107 glue to the methyl methacrylate to the benzoyl peroxide to the eucommia ulmoides gum is 100:20:4: 10;
(2) uniformly stirring the base material, the organic tin and the methyl tributyl ketoxime silane according to the mass ratio of 100:0.4:4, discharging steam in vacuum, and molding to obtain the organic silicon oxygen-enriched film.
Test examples
The mechanical properties and oxygen permeability of the oxygen-enriched films prepared in examples 1 to 3 were respectively tested, and the specific test results are shown in table 1.
Table 1: oxygen-enriched membrane performance
From the data in the above table, it is clear that the mechanical properties and oxygen permeability of the oxygen-rich films of examples 1-3 are higher than those of the conventional 107 glue.
Claims (7)
1. The preparation method of the organic silicon oxygen-enriched film is characterized by comprising the following steps:
(1) uniformly mixing 107 glue, methyl methacrylate and gutta-percha, heating to 55-65 ℃, dropwise adding a benzoyl peroxide solution, maintaining the temperature of a reaction system at 80-90 ℃, reacting for 2-3 hours, then intermittently vacuumizing until reactants are semitransparent, and cooling to obtain a base material;
(2) and uniformly stirring the base material, the organic tin and the methyl tributyl ketoxime silane, discharging steam in vacuum, and molding to obtain the organic silicon oxygen-enriched film.
2. The method for preparing the organosilicon oxygen-rich membrane as claimed in claim 1, wherein the mass ratio of the 107 glue, the methyl methacrylate, the benzoyl peroxide and the eucommia ulmoides gum in the step (1) is 100:15-25:3-5: 8-12.
3. The method of claim 1, wherein the viscosity of the 107 glue is 3500-5000 mps.
4. The method of producing an organosilicon oxygen-rich membrane according to claim 1, wherein the benzoyl peroxide is present in a concentration of 25 to 35% by mass.
5. The method of claim 1, wherein the solvent in the benzoyl peroxide solution is ethyl acetate.
6. The method for producing an organosilicon oxygen-rich film according to claim 1, wherein the mass ratio of the binder, the organotin and the methyltributanonoximosilane in the step (2) is 100:0.3 to 0.5:3 to 4.
7. An organosilicon oxygen-rich film produced by the production method according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110978030.XA CN113637281B (en) | 2021-08-23 | 2021-08-23 | Organic silicon oxygen-enriched membrane and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110978030.XA CN113637281B (en) | 2021-08-23 | 2021-08-23 | Organic silicon oxygen-enriched membrane and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113637281A true CN113637281A (en) | 2021-11-12 |
| CN113637281B CN113637281B (en) | 2023-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110978030.XA Active CN113637281B (en) | 2021-08-23 | 2021-08-23 | Organic silicon oxygen-enriched membrane and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113637281B (en) |
-
2021
- 2021-08-23 CN CN202110978030.XA patent/CN113637281B/en active Active
Non-Patent Citations (1)
| Title |
|---|
| 张可达, 刘南安, 田禾: "改性硅橡胶富氧膜的制备", 应用化学, no. 01, pages 92 - 94 * |
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| Publication number | Publication date |
|---|---|
| CN113637281B (en) | 2023-12-26 |
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