CN101724122A - Method for preparing copolymerized modified organic glass - Google Patents
Method for preparing copolymerized modified organic glass Download PDFInfo
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- CN101724122A CN101724122A CN200910210344A CN200910210344A CN101724122A CN 101724122 A CN101724122 A CN 101724122A CN 200910210344 A CN200910210344 A CN 200910210344A CN 200910210344 A CN200910210344 A CN 200910210344A CN 101724122 A CN101724122 A CN 101724122A
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- organic glass
- comonomer
- modified organic
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- dimethacrylate
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Abstract
The invention relates to a method for preparing a modified organic glass plate by copolymerized modified body casting and free radical polymerization. The copolymerized modified organic glass is prepared from methyl methacrylate, comonomer and a cross-linking agent through cross-linking copolymerization reaction by a body casting copolymerization technology, wherein the comonomer is selected from N-substituted methacrylamide, and one or more comonomers can be used simultaneously in the invention; and the cross-linking agent can be dimethyl acrylic ester or substituted dimethylacrylamide. The prepared casting organic glass plate has high heat-resistance temperature, high strength, silver mark resistance, stable dimension and high light transmission.
Description
Technical field
The present invention relates to a kind of modified organic glass, especially a kind of modified organic glass sheet material that forms through the body casting radical polymerization of modification by copolymerization.
Background technology
Polymethylmethacrylate (PMMA) is commonly called as synthetic glass, is a kind of universal macromolecular material with high strength, shock resistance, high-transmittance.Be mainly used in fields such as Transparent Parts in Aviation, panel board, billboard, aquarium, lamp box.But because polymethylmethacrylate (PMMA) is a linear structure, be subjected to illumination and solvent effect easily to produce crazing and distortion, related products is restricted in application, uses the methacrylate sheet through modification by copolymerization now usually.
Summary of the invention
The purpose of this invention is to provide the method for casting methacrylate sheet that a kind of preparation has the high printing opacity of high heat resisting temperature, high strength, anti-crazing, dimensional stabilizing.
Copolymerized modified organic glass of the present invention is to be made through the copolymerzation with cross-linking reaction by methyl methacrylate and comonomer and linking agent, and the body casting polymerization technique is adopted in reaction; Used comonomer is selected from N-substituent methyl acrylamide, and comonomer can be a kind of, also can be multiple use simultaneously of the present invention; Linking agent has dimethacrylate class, substituted dimethyl acrylic amide etc.
N-substituent methyl acrylamide of the present invention has Methacrylamide, methylol methacrylamide, methoxymethyl propenamide etc.
The dimethacrylate class has Ethylene glycol dimethacrylate, dimethacrylate one condensed ethandiol ester, dimethacrylate 2,2 dimethyl 1,3 propylene glycol ester etc.; The substituted dimethyl acrylic amide has N, the inferior hydroxyl substituted dimethyl of N-acrylamide, DMAA dme etc.
The weight ratio of methyl methacrylate of the present invention and comonomer and linking agent is 100: 40～0.1: 40～0.1, and is good with 100: 20～0.1: 20～0.1.
In a word, concrete technical scheme of the present invention is:
1. the preparation method of a modified organic glass, it is characterized in that adopting the poly (methyl methacrylate) plate material, preparation method of body casting radical polymerization modification by copolymerization, copolymerized modified organic glass is to be made through the copolymerzation with cross-linking reaction by methyl methacrylate and comonomer and linking agent, and the body casting copolymerization technology is adopted in reaction; Used comonomer is selected from N-substituent methyl acrylamide, and comonomer can be a kind of, also can be multiple use simultaneously of the present invention; Linking agent is selected from any of dimethacrylate class, substituted dimethyl acrylic amide.
2, the preparation method of described modified organic glass is characterized in that used comonomer N-substituent methyl acrylamide is selected from any of Methacrylamide, methylol methacrylamide, methoxymethyl propenamide, perhaps multiplely uses simultaneously
3, the preparation method of described modified organic glass, it is characterized in that used dimethacrylate class is selected from Ethylene glycol dimethacrylate, dimethacrylate one condensed ethandiol ester, dimethacrylate 2,2 dimethyl, 1,3 propylene glycol ester any; The substituted dimethyl acrylic amide is selected from N, the inferior hydroxyl substituted dimethyl of N-acrylamide, DMAA dme any.
4, the preparation method of described modified organic glass, it is characterized in that used copolymerization form in the weight ratio of methyl methacrylate and comonomer and linking agent be 100: 40～0.1: 40～0.1.
5, the preparation method of described modified organic glass, it is characterized in that used copolymerization form in the weight ratio of methyl methacrylate and comonomer and linking agent be 100: 20～0.1: 20～0.1.
The heat-drawn wire, tensile strength that adopts the copolymerzation with cross-linking synthetic glass that method of the present invention makes especially indexs such as high temperature tensile strength, stress solvent crazing, modulus in tension, the K factor all more not copolymerized modified organic glass improve more than 10%, and transmittance, formability, weather resisteant do not change.
The performance measurement of copolymerized modified organic glass of the present invention:
Transmittance: GB/T2410
Heat-drawn wire: GB/T1634
Tensile strength: GB/T1040
Modulus in tension: GB/T1040
Stress solvent crazing: HB6657
The K factor: MIL-P-25690B
Long-term water-intake rate: GB/T1034
Embodiment
Example 1:
Step 1: with two 600 * 600 * 8mm float glass process silex glass cleaning, dryings, be that 14.2mm has certain elastic rubber hose (covering the two layers polyester film outward) and makes a model with external diameter, it is standby with anchor clamps the mould value to be controlled at 12.5mm.
Step 2: 5kg is joined in the there-necked flask of 10L simultaneously through the MMA of rectifying and the ABN of 2g process recrystallization, be stirred and heated to 80 ℃ and keep, after material reaches glycerine viscosity, cool to room temperature.Material is poured in the 10L vacuum suction filter bottle, and vacuum-treat 20 minutes is standby under 0.075MPa.
Step 3: the material of step 2 preparation is poured in the model of step 1 preparation, remove the bubble rear enclosed, put into baking oven with (5～7) m/s wind speed, under 32 ± 1 ℃, be aggregated to material to elastomerics, remove rubber hose, slowly be warming up to 110 ℃ and lower the temperature after keeping 2h, remove two float glass process silex glasss during room temperature, obtain the methacrylate sheet that thickness is 10mm.
Example 2: operation is with example 1, and difference is the material composition in the step 2.Remove the ABN while of adding 5kg, add 5g Methacrylamide and 10g dimethacrylate one condensed ethandiol ester again through the MMA and the 15g process recrystallization of rectifying; In the step 3 the high temperature holding temperature is brought up to 135 ℃.
Example 3～4: with example 2, difference is that Methacrylamide is different with the consumption of dimethacrylate one condensed ethandiol ester.
Example 5: operation is with example 2, and difference is the material composition.Remove the ABN while of adding 5kg, add 500g methylol methacrylamide and 1000g Ethylene glycol dimethacrylate again through the MMA and the 1500g process recrystallization of rectifying.
Example 6～7: with example 4, difference is that the consumption of methylol methacrylamide and Ethylene glycol dimethacrylate is different.
Table 1: the material proportion of example 1～7 (mass ratio)
| Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 | Example 7 | |
| ??MMA | ??5000 | ??5000 | ?5000 | ??5000 | ??5000 | ??5000 | ??5000 |
| ??ABN | ??0.04 | ??15 | ?500 | ??1000 | ??1500 | ??2000 | ??225 |
| Methacrylamide | ??0 | ??5 | ?200 | ??400 | ??0 | ??0 | ??0 |
| Methylol methacrylamide | ??0 | ??0 | ?0 | ??0 | ??500 | ??800 | ??75 |
| Dimethacrylate one condensed ethandiol ester | ??0 | ??10 | ?300 | ??600 | ??0 | ??0 | ??0 |
| Ethylene glycol dimethacrylate | ??0 | ??0 | ?0 | ??0 | ??1000 | ??1200 | ??150 |
| Comonomer ratio (%) | ??0 | ??0.3 | ?10 | ??20 | ??30 | ??40 | ??4.5 |
Table 2 plate property
Claims (5)
1. the preparation method of a modified organic glass, it is characterized in that adopting the poly (methyl methacrylate) plate material, preparation method of body casting radical polymerization modification by copolymerization, copolymerized modified organic glass is to be made through the copolymerzation with cross-linking reaction by methyl methacrylate and comonomer and linking agent, and the body casting copolymerization technology is adopted in reaction; Used comonomer is selected from N-substituent methyl acrylamide, and comonomer can be a kind of, also can be multiple use simultaneously of the present invention; Linking agent is selected from any of dimethacrylate class, substituted dimethyl acrylic amide.
2. the preparation method of modified organic glass according to claim 1, it is characterized in that used comonomer N-substituent methyl acrylamide is selected from any of Methacrylamide, methylol methacrylamide, methoxymethyl propenamide, perhaps multiplely use simultaneously
3. the preparation method of modified organic glass according to claim 1, it is characterized in that used dimethacrylate class is selected from Ethylene glycol dimethacrylate, dimethacrylate one condensed ethandiol ester, dimethacrylate 2,2 dimethyl, 1,3 propylene glycol ester any; The substituted dimethyl acrylic amide is selected from N, the inferior hydroxyl substituted dimethyl of N-acrylamide, DMAA dme any.
4. the preparation method of modified organic glass according to claim 1, it is characterized in that used copolymerization form in the weight ratio of methyl methacrylate and comonomer and linking agent be 100: 40～0.1: 40～0.1.
5. the preparation method of modified organic glass according to claim 4, it is characterized in that used copolymerization form in the weight ratio of methyl methacrylate and comonomer and linking agent be 100: 20～0.1: 20～0.1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910210344A CN101724122A (en) | 2009-10-30 | 2009-10-30 | Method for preparing copolymerized modified organic glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910210344A CN101724122A (en) | 2009-10-30 | 2009-10-30 | Method for preparing copolymerized modified organic glass |
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| CN101724122A true CN101724122A (en) | 2010-06-09 |
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| CN200910210344A Pending CN101724122A (en) | 2009-10-30 | 2009-10-30 | Method for preparing copolymerized modified organic glass |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106496903A (en) * | 2016-12-20 | 2017-03-15 | 安徽亚克力实业有限公司 | A kind of cracking resistance lucite and preparation method thereof |
| CN106589753A (en) * | 2016-12-20 | 2017-04-26 | 安徽亚克力实业有限公司 | Anti-flaming organic glass and preparation method thereof |
| CN107674145A (en) * | 2017-11-11 | 2018-02-09 | 蚌埠承永玻璃制品有限公司 | A kind of preparation method of plexiglass |
| CN107778746A (en) * | 2017-11-11 | 2018-03-09 | 蚌埠承永玻璃制品有限公司 | A kind of processing technology of lucite |
| CN107880205A (en) * | 2017-11-21 | 2018-04-06 | 锦西化工研究院有限公司 | A kind of preparation method of solvent resistant lucite |
| CN107880465A (en) * | 2017-11-27 | 2018-04-06 | 蚌埠承永玻璃制品有限公司 | A kind of anti-aging high tenacity lucite and preparation method thereof |
| CN109147570A (en) * | 2018-08-31 | 2019-01-04 | 京东方科技集团股份有限公司 | Display protective film and preparation method thereof and stretchable display device |
| CN109796548A (en) * | 2018-12-19 | 2019-05-24 | 锦西化工研究院有限公司 | A kind of preparation method of high performance turbine organic glass |
| CN111808229A (en) * | 2020-08-04 | 2020-10-23 | 无锡龙友光学材料有限公司 | Method for producing optical glass by PMMA monomer casting polymerization method |
| CN114149533A (en) * | 2021-12-21 | 2022-03-08 | 锦西化工研究院有限公司 | Method for preparing green organic glass plate |
| CN114316125A (en) * | 2022-01-27 | 2022-04-12 | 江苏铁锚玻璃股份有限公司 | Formula and preparation method of organic glass with high heat resistance |
-
2009
- 2009-10-30 CN CN200910210344A patent/CN101724122A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106496903A (en) * | 2016-12-20 | 2017-03-15 | 安徽亚克力实业有限公司 | A kind of cracking resistance lucite and preparation method thereof |
| CN106589753A (en) * | 2016-12-20 | 2017-04-26 | 安徽亚克力实业有限公司 | Anti-flaming organic glass and preparation method thereof |
| CN107674145A (en) * | 2017-11-11 | 2018-02-09 | 蚌埠承永玻璃制品有限公司 | A kind of preparation method of plexiglass |
| CN107778746A (en) * | 2017-11-11 | 2018-03-09 | 蚌埠承永玻璃制品有限公司 | A kind of processing technology of lucite |
| CN107880205A (en) * | 2017-11-21 | 2018-04-06 | 锦西化工研究院有限公司 | A kind of preparation method of solvent resistant lucite |
| CN107880465A (en) * | 2017-11-27 | 2018-04-06 | 蚌埠承永玻璃制品有限公司 | A kind of anti-aging high tenacity lucite and preparation method thereof |
| CN109147570A (en) * | 2018-08-31 | 2019-01-04 | 京东方科技集团股份有限公司 | Display protective film and preparation method thereof and stretchable display device |
| CN109796548A (en) * | 2018-12-19 | 2019-05-24 | 锦西化工研究院有限公司 | A kind of preparation method of high performance turbine organic glass |
| CN111808229A (en) * | 2020-08-04 | 2020-10-23 | 无锡龙友光学材料有限公司 | Method for producing optical glass by PMMA monomer casting polymerization method |
| CN114149533A (en) * | 2021-12-21 | 2022-03-08 | 锦西化工研究院有限公司 | Method for preparing green organic glass plate |
| CN114316125A (en) * | 2022-01-27 | 2022-04-12 | 江苏铁锚玻璃股份有限公司 | Formula and preparation method of organic glass with high heat resistance |
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Open date: 20100609 |