CN111763396A - High-impact-resistance organic glass plate and preparation method thereof - Google Patents
High-impact-resistance organic glass plate and preparation method thereof Download PDFInfo
- Publication number
- CN111763396A CN111763396A CN202010709543.6A CN202010709543A CN111763396A CN 111763396 A CN111763396 A CN 111763396A CN 202010709543 A CN202010709543 A CN 202010709543A CN 111763396 A CN111763396 A CN 111763396A
- Authority
- CN
- China
- Prior art keywords
- mold
- organic glass
- glass plate
- stirring
- mbs resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/10—Homopolymers or copolymers of methacrylic acid esters
- C08L33/12—Homopolymers or copolymers of methyl methacrylate
-
- 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
- C08F120/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F120/10—Esters
- C08F120/12—Esters of monohydric alcohols or phenols
- C08F120/14—Methyl esters, e.g. methyl (meth)acrylate
-
- 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)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a high impact-resistant organic glass plate which comprises the following raw materials in percentage by weight: 80-95% of methyl methacrylate monomer, 5-20% of MBS resin and 0.001-0.01% of initiator. The invention has the beneficial effects that: the organic glass greatly improves the impact strength of the acrylic sheet on the basis of keeping the transparency of the acrylic sheet.
Description
Technical Field
The invention relates to a high-impact-resistance organic glass plate and a preparation method thereof, belonging to the technical field of organic glass processing.
Background
The acrylic sheet material, also called flat organic glass, has the main chemical component of polymethyl methacrylate, has the advantages of good light transmission, bright color, high brightness, light weight and the like, can replace glass, and is widely used in the fields of buildings, traffic, illumination, medical treatment and the like. The production process of the acrylic sheet mainly comprises a casting method and an extrusion method, wherein the casting method is a production method of directly forming methyl methacrylate monomers through bulk polymerization, and compared with the extrusion method, the casting method can be used for preparing a pure sheet with higher molecular weight, and the product has excellent transparency, rigidity and strength.
According to the preparation method of the high-impact acrylic sheet disclosed in the Chinese patent application CN106749850A, the high-impact acrylic sheet is obtained by fully and uniformly stirring 70-100 parts of methyl methacrylate, 5-10 parts of butyl acrylate, 5-15 parts of styrene, 0.0015-0.0035 part of initiator and 0.1-0.3 part of chain transfer agent, adding the mixture into a three-neck flask provided with a reflux condensing device, rotating at the speed of 300-500 r/min and at the temperature of 108-112 ℃ and processing the mixture. However, the polymerization rate of butyl acrylate and methyl methacrylate is greatly different, the reaction process is difficult to control in industrial production, and the phenomenon of strict performance uneven distribution in the whole plate is caused in the production process, so that the method is difficult to realize industrial production.
The acrylic sheet obtained by bulk polymerization is brittle and is easy to crack after impact or shock, which severely limits the application field of the acrylic sheet.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a high-impact-resistance organic glass plate and a preparation method thereof, and the specific technical scheme is as follows:
according to one aspect of the invention, a high impact resistance organic glass plate is provided, which comprises the following raw materials in percentage by weight: 80-95% of methyl methacrylate monomer, 5-20% of MBS resin and 0.001-0.01% of initiator.
Further, the initiator is one or more of azobisisobutyronitrile, azobisisovaleronitrile, benzoyl peroxide and cyclohexanone peroxide, and the total amount of the initiator is 0.001-0.01% of the total mass of the methyl methacrylate monomer and the MBS resin.
Further, the amount of the MBS resin is 5-20% of the total weight of the methyl methacrylate monomer and the MBS resin.
According to another aspect of the present invention, there is provided a method for preparing a high impact resistant organic glass sheet, comprising the steps of:
(1) dissolving and dispersing:
putting a methyl methacrylate monomer and MBS resin into a reaction kettle according to a certain proportion, starting a heating and stirring device to dissolve and disperse, starting timing when the temperature is raised to 40 ℃, stirring for 1-3 hours, controlling the temperature to be 40-60 ℃ during stirring, and cooling to room temperature after stopping stirring to obtain a transparent dissolved solution;
(2) pulping:
adding 0.001-0.1% of initiator into the transparent solution obtained in the step (1), and continuously stirring for 30-60min to obtain polymerization reaction slurry;
(3) defoaming:
placing the reaction slurry obtained in the step (2) in a vacuum defoaming kettle, and carrying out vacuum defoaming treatment for 30-50 min;
(4) pouring a mold:
pouring the defoaming reaction slurry obtained in the step (3) into a glass mold sealed by a PVC adhesive tape, exhausting gas, and clamping and fixing by using a universal clamp;
(5) post polymerization:
and (3) putting the glass mold into a water pool at 40-60 ℃ for water phase polymerization, taking out the mold when the materials in the mold are hardened, putting the mold into a drying room, continuously baking for 1-5 hours at a certain temperature, discharging the mold, cooling to a certain temperature, and opening the mold to obtain the high-impact acrylic plate.
Further, in the step (3), the degree of vacuum for vacuum defoaming is 0.05 to 0.1 MPa.
Further, in the step (5), the baking temperature of the baking room is 100-.
The invention has the beneficial effects that: by controlling the casting process, the impact resistance effect of the acrylic plate can be greatly improved, and the high-impact-resistance acrylic plate can be obtained; the MBS resin can greatly improve the hardness and the impact resistance effect of the acrylic sheet in the material polymerization process, and can ensure the transparent effect of the acrylic sheet.
Drawings
Fig. 1 is a flow chart of a preparation method of the high impact resistance organic glass plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
According to the embodiment of the invention, the high-impact-resistance organic glass plate comprises the following raw materials in percentage by weight: 80-95% of methyl methacrylate monomer, 5-20% of MBS resin and 0.001-0.01% of initiator.
Preferably, the initiator is one or more of azobisisobutyronitrile, azobisisovaleronitrile, benzoyl peroxide and cyclohexanone peroxide, and the total amount of the initiator is 0.001-0.01% of the total mass of the methyl methacrylate monomer and the MBS resin.
Preferably, the MBS resin is used in an amount of 5-20% of the total weight of the methyl methacrylate monomer and the MBS resin.
According to the embodiment of the invention, the preparation method of the high-impact-resistance organic glass plate is also provided.
In order to clearly understand the technical scheme of the invention, the scheme of the invention is described in detail by specific examples.
Example one
Adding 9kg of methyl methacrylate monomer and 1kg of MBS resin into a reaction kettle, starting a heating and stirring device to dissolve and disperse, starting stirring when the temperature is raised to 40 ℃, controlling the temperature during stirring to be 60 ℃ for 2 hours, and cooling to room temperature after stopping stirring to obtain a transparent dissolved solution. 0.1g of azobisisobutyronitrile and 0.2g of benzoyl peroxide were added to the transparent solution, and the mixture was stirred for 60 minutes to obtain a polymerization slurry. And (3) placing the reaction slurry in a vacuum defoaming kettle, and carrying out vacuum defoaming treatment for 30 min. And pouring the defoamed reaction slurry into a glass mold sealed by a PVC adhesive tape, removing gas, clamping and fixing by using a universal clamp, putting the glass mold into a water pool at 60 ℃ for aqueous phase polymerization, taking out the mold and putting into a drying room when the materials in the mold are hardened, continuously baking for 2 hours at 110 ℃, discharging from the furnace, cooling to room temperature, and opening the mold to obtain the high-impact acrylic plate.
Example two
Adding 8.5kg of methyl methacrylate monomer and 1.5kg of MBS resin into a reaction kettle, starting a heating and stirring device to dissolve and disperse, starting stirring when the temperature is raised to 40 ℃, controlling the stirring time to be 2 hours, controlling the temperature during stirring to be 60 ℃, and cooling to room temperature after stopping stirring to obtain a transparent dissolved solution. 0.13g of azobisisobutyronitrile and 0.19g of cyclohexanone peroxide were added to the transparent solution, and the mixture was stirred for 60 minutes to obtain a polymerization slurry. And (3) placing the reaction slurry in a vacuum defoaming kettle, and carrying out vacuum defoaming treatment for 30 min. And pouring the defoamed reaction slurry into a glass mold sealed by a PVC adhesive tape, removing gas, clamping and fixing by using a universal clamp, putting the glass mold into a water pool at 60 ℃ for aqueous phase polymerization, taking out the mold and putting into a drying room when the materials in the mold are hardened, continuously baking for 2 hours at 110 ℃, discharging from the furnace, cooling to room temperature, and opening the mold to obtain the high-impact acrylic plate.
EXAMPLE III
Adding 8.2kg of methyl methacrylate monomer and 1.8kg of MBS resin into a reaction kettle, starting a heating and stirring device to dissolve and disperse, starting stirring when the temperature is raised to 40 ℃, controlling the stirring time to be 2 hours, controlling the temperature during stirring to be 60 ℃, and cooling to room temperature after stopping stirring to obtain a transparent dissolved solution. 0.17g of azobisisovaleronitrile and 0.24g of cyclohexanone peroxide are added into the transparent dissolving solution, and the stirring is continued for 60min to obtain polymerization reaction slurry. And (3) placing the reaction slurry in a vacuum defoaming kettle, and carrying out vacuum defoaming treatment for 30 min. And pouring the defoamed reaction slurry into a glass mold sealed by a PVC adhesive tape, removing gas, clamping and fixing by using a universal clamp, putting the glass mold into a water pool at 60 ℃ for aqueous phase polymerization, taking out the mold and putting into a drying room when the materials in the mold are hardened, continuously baking for 2 hours at 110 ℃, discharging from the furnace, cooling to room temperature, and opening the mold to obtain the high-impact acrylic plate.
Example four
Adding 8kg of methyl methacrylate monomer and 2kg of MBS resin into a reaction kettle, starting a heating and stirring device to dissolve and disperse, starting stirring when the temperature is raised to 40 ℃, controlling the temperature during stirring to be 60 ℃ for 2 hours, and cooling to room temperature after stopping stirring to obtain a transparent dissolved solution. 0.1g of azobisisovaleronitrile and 0.25g of benzoyl peroxide were added to the transparent solution, and the mixture was stirred for 60 minutes to obtain a polymerization slurry. And (3) placing the reaction slurry in a vacuum defoaming kettle, and carrying out vacuum defoaming treatment for 30 min. And pouring the defoamed reaction slurry into a glass mold sealed by a PVC adhesive tape, removing gas, clamping and fixing by using a universal clamp, putting the glass mold into a water pool at 60 ℃ for aqueous phase polymerization, taking out the mold and putting into a drying room when the materials in the mold are hardened, continuously baking for 2 hours at 100 ℃, discharging from the furnace, cooling to room temperature, and opening the mold to obtain the high-impact acrylic plate.
The rockwell hardness and the impact strength of the unnotched simply supported beam of 4 samples were measured according to the test methods of GB/T3398.2-2008 and GB/T1043.1-2008, and the measurement results are shown in the following table:
comparison of test results
| Example 1 | Example 1 | Example 1 | Example 1 | |
| Rockwell hardness | 99 | 97 | 96 | 94 |
| Impact strength kJ/m2 | 23 | 26 | 29 | 33 |
The data comparison shows that the acrylic sheet material of the invention has greatly improved hardness and impact strength, especially impact strength, compared with the sheet material polymerized by pure monomers in terms of 3 data representations.
In conclusion, by means of the technical scheme, the anti-impact effect of the acrylic plate can be greatly improved by controlling the casting process, and the high-impact-resistance acrylic plate is obtained. The MBS resin can greatly improve the hardness and the impact resistance effect of the acrylic sheet in the material polymerization process, and can ensure the transparent effect of the acrylic sheet.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The high impact-resistant organic glass plate is characterized by comprising the following raw materials in percentage:
80-95% of methyl methacrylate monomer, 5-20% of MBS resin and 0.001-0.01% of initiator.
2. The high impact resistant organic glass plate as claimed in claim 1, wherein the initiator is one or more of azobisisobutyronitrile, azobisisovaleronitrile, benzoyl peroxide and cyclohexanone peroxide, and the total amount is 0.001-0.01% of the total mass of the methyl methacrylate monomer and the MBS resin.
3. The high impact resistant organic glass plate as claimed in claim 1, wherein the amount of the MBS resin is 5-20% of the total weight of the methyl methacrylate monomer and the MBS resin.
4. The preparation method of the high impact resistance organic glass plate is characterized by comprising the following steps:
(1) dissolving and dispersing:
putting a methyl methacrylate monomer and MBS resin into a reaction kettle according to a certain proportion, starting a heating and stirring device to dissolve and disperse, starting timing when the temperature is raised to 40 ℃, stirring for 1-3 hours, controlling the temperature to be 40-60 ℃ during stirring, and cooling to room temperature after stopping stirring to obtain a transparent dissolved solution;
(2) pulping:
adding 0.001-0.1% of initiator into the transparent solution obtained in the step (1), and continuously stirring for 30-60min to obtain polymerization reaction slurry;
(3) defoaming:
placing the reaction slurry obtained in the step (2) in a vacuum defoaming kettle, and carrying out vacuum defoaming treatment for 30-50 min;
(4) pouring a mold:
pouring the defoaming reaction slurry obtained in the step (3) into a glass mold sealed by a PVC adhesive tape, exhausting gas, and clamping and fixing by using a universal clamp;
(5) post polymerization:
and (3) putting the glass mold into a water pool at 40-60 ℃ for water phase polymerization, taking out the mold when the materials in the mold are hardened, putting the mold into a drying room, continuously baking for 1-5 hours at a certain temperature, discharging the mold, cooling to a certain temperature, and opening the mold to obtain the high-impact acrylic plate.
5. The method for preparing a high impact resistant organic glass sheet according to claim 4, wherein in the step (3), the degree of vacuum for vacuum defoaming is 0.05MPa to 0.1 MPa.
6. The method for preparing a high impact resistance organic glass plate as claimed in claim 4, wherein in the step (5), the baking temperature of the baking room is 100-110 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010709543.6A CN111763396A (en) | 2020-07-22 | 2020-07-22 | High-impact-resistance organic glass plate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010709543.6A CN111763396A (en) | 2020-07-22 | 2020-07-22 | High-impact-resistance organic glass plate and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111763396A true CN111763396A (en) | 2020-10-13 |
Family
ID=72726964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010709543.6A Pending CN111763396A (en) | 2020-07-22 | 2020-07-22 | High-impact-resistance organic glass plate and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111763396A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870794A (en) * | 2010-07-09 | 2010-10-27 | 深圳市科聚新材料有限公司 | Transparent and toughened polymethyl methacrylate (PMMA) material and preparation method thereof |
| CN104962025A (en) * | 2015-07-28 | 2015-10-07 | 张家港市德力特新材料有限公司 | Impact-resistance-modified organic glass |
| CN109161142A (en) * | 2018-07-13 | 2019-01-08 | 蚌埠承永玻璃制品有限公司 | A kind of anti-low-temperature cracking organic glass and preparation method thereof |
| CN109370132A (en) * | 2018-08-16 | 2019-02-22 | 天长市瑞慈有机玻璃有限公司 | A kind of lucite tube that light transmittance is good |
| CN109810214A (en) * | 2018-12-19 | 2019-05-28 | 霍振辉 | A kind of preparation method of the acrylic board of environmental protection and energy saving |
-
2020
- 2020-07-22 CN CN202010709543.6A patent/CN111763396A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870794A (en) * | 2010-07-09 | 2010-10-27 | 深圳市科聚新材料有限公司 | Transparent and toughened polymethyl methacrylate (PMMA) material and preparation method thereof |
| CN104962025A (en) * | 2015-07-28 | 2015-10-07 | 张家港市德力特新材料有限公司 | Impact-resistance-modified organic glass |
| CN109161142A (en) * | 2018-07-13 | 2019-01-08 | 蚌埠承永玻璃制品有限公司 | A kind of anti-low-temperature cracking organic glass and preparation method thereof |
| CN109370132A (en) * | 2018-08-16 | 2019-02-22 | 天长市瑞慈有机玻璃有限公司 | A kind of lucite tube that light transmittance is good |
| CN109810214A (en) * | 2018-12-19 | 2019-05-28 | 霍振辉 | A kind of preparation method of the acrylic board of environmental protection and energy saving |
Non-Patent Citations (1)
| Title |
|---|
| 韦军: "《高分子合成工艺学》", 28 February 2011, 华东理工大学出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5623693B2 (en) | Methacrylic resin and method for producing the same | |
| JPS61254608A (en) | Production of thermoplastic copolymer having improved heat deformation resistance | |
| CN106749850A (en) | A kind of preparation method of damage resistant, high-impact PMMA materials | |
| US3879495A (en) | Impact-resistant rubber-modified plastics and process for producing the same | |
| CN111763396A (en) | High-impact-resistance organic glass plate and preparation method thereof | |
| EP0287668B1 (en) | Process for producing a heat resistant resin composition | |
| US5312956A (en) | Synthesis of low viscosity non-functional terminated polymers | |
| JPH0546368B2 (en) | ||
| CN111825790A (en) | Non-transparent high-heat-resistant flame-retardant acrylic plate and preparation method thereof | |
| CN111154049A (en) | Temperature-resistant thickening photocuring epoxy vinyl ester resin and preparation method thereof | |
| US3297794A (en) | Polymer product comprising methacrylic ester and alpha-methylstyrene, and processes of producing same | |
| CN114456071A (en) | Self-monitoring acrylate and preparation method and application thereof | |
| CN113943469A (en) | Modified polymethyl methacrylate resin, preparation method thereof and composition for preparation | |
| EP0862586B1 (en) | A process for preparing a branched polymer from a vinyl aromatic monomer | |
| JPS6139325B2 (en) | ||
| JPH11158205A (en) | Acrylic luminous resin molded article | |
| JPS63154712A (en) | Production of transparent heat-resistant resin | |
| JPS6234046B2 (en) | ||
| JP3197379B2 (en) | Manufacturing method of laminated glass | |
| JPH07247322A (en) | Acrylic resin plate and its production | |
| JP2001151823A (en) | Copolymer and its production | |
| JPH0696658B2 (en) | Heat resistant resin composition | |
| JP3615875B2 (en) | Methacrylic resin casting polymer | |
| JP2003147033A (en) | Methacrylic cast plate and method for producing the same | |
| JPS62288618A (en) | Transparent resin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201013 |