CN106496903A - A kind of cracking resistance lucite and preparation method thereof - Google Patents
A kind of cracking resistance lucite and preparation method thereof Download PDFInfo
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- CN106496903A CN106496903A CN201611183582.7A CN201611183582A CN106496903A CN 106496903 A CN106496903 A CN 106496903A CN 201611183582 A CN201611183582 A CN 201611183582A CN 106496903 A CN106496903 A CN 106496903A
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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
- 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
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- 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
- C08F220/00—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 a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
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- 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Graft Or Block Polymers (AREA)
Abstract
The invention discloses a kind of cracking resistance lucite, its raw material includes by weight：100 150 parts of methyl methacrylate, 11 14 parts of dimethacrylate diethylene glycol ester, 35 parts of tributyl citrate, 13 17 parts of rubber particles, 35 parts of modified montmorillonoid, 0.3 0.5 parts of azodiisobutyronitrile, 0.3 0.5 parts of benzoyl peroxide, 35 parts of anti-impact modifier, 24 parts of lauryl mercaptan.The invention also discloses the preparation method of above-mentioned cracking resistance lucite.Toughness of the present invention is high, and crack resistance is good.
Description
Technical field
The present invention relates to lucite technical field, more particularly to a kind of cracking resistance lucite and preparation method thereof.
Background technology
Lucite is to be by the macromolecular compound of methyl methacrylate polymerization, referred to as polymethylacrylic acid
Methyl ester, is abbreviated as PMMA.Lucite is widely used in the aspects such as daily life, industry, building, space flight.Lucite is divided into
Water white transparency, colored transparent, pearly-lustre, four kinds of lucite of embossing.Lucite is commonly called as acrylic, middle a surname's acryl, sub- Gree,
Lucite smooth surface, beautiful in colour, proportion is little, and intensity is larger, corrosion-resistant, moisture-proof, sun-proof, good insulation preformance, sound insulation property
Good；But the quality of lucite is more crisp.In order to meet demand of the people to lucite, it is therefore desirable to which providing a kind of new has
Machine glass.
Content of the invention
Based on the technical problem that background technology is present, the present invention proposes a kind of cracking resistance lucite and preparation method thereof,
Shock resistance of the present invention is high, good toughness.
A kind of cracking resistance lucite proposed by the present invention, its raw material include by weight：Methyl methacrylate 100-150
Part, dimethacrylate diethylene glycol ester 11-14 parts, tributyl citrate 3-5 part, rubber particles 13-17 parts, modified illiteracy take off
Native 3-5 parts, azodiisobutyronitrile 0.3-0.5 parts, benzoyl peroxide 0.3-0.5 parts, anti-impact modifier 3-5 parts, dodecane
Base mercaptan 2-4 parts.
Preferably, its raw material includes by weight：Methyl methacrylate 120-130 parts, one contracting second of dimethacrylate
Diol ester 12-13 parts, tributyl citrate 3.5-4.5 part, rubber particles 14-16 parts, modified montmorillonoid 3.5-4.5 parts, azo
Bis-isobutyronitrile 0.35-0.45 parts, benzoyl peroxide 0.35-0.45 parts, anti-impact modifier 3.5-4.5 parts, dodecyl sulfur
Alcohol 2.5-3.5 parts.
Preferably, rubber particles be butyl polyacrylate particle, its particle diameter be 3-5 μm.
Preferably, modified montmorillonoid is vinyltrimethoxy silane modified montmorillonoid, and its particle diameter is 100-120nm.
Preferably, anti-impact modifier is MBS.
The invention allows for the preparation method of above-mentioned cracking resistance lucite, comprises the steps：
S1, by dimethacrylate diethylene glycol ester, tributyl citrate, modified montmorillonoid, azodiisobutyronitrile, mistake
BP, lauryl mercaptan are added in methyl methacrylate, and ultrasonic disperse is warming up to 65-70 DEG C, insulated and stirred
35-45min, ice-water bath are cooled to 10-15 DEG C, stand 1-1.5h, are warming up to 50-55 DEG C, are incubated 20-22h, then heat to
60-65 DEG C, 20-22h is incubated, then is warming up to 80-85 DEG C, be incubated 2-3h, be finally warming up to 95-100 DEG C, be incubated 3-4h, cooling
Polymethyl methacrylate intermediate is obtained to room temperature；
S2, take the polymethyl methacrylate intermediate obtained in S1 and plasticate 40-60min, add rubber particles, shock resistance
Modifying agent is plasticated, Bao Tong, and packing, compression molding obtain cracking resistance lucite.
Preferably, in S1, room temperature is cooled to the speed of 1-2 DEG C/min.
The present invention selects dimethacrylate diethylene glycol ester, methyl methacrylate, in azodiisobutyronitrile, peroxide
Change and be condensed under benzoylation, form cross-linked network, increase the pliability and crack resistance of the present invention；Vinyl trimethoxy
Silane-modified montmorillonite, improves diversity of the montmorillonite in methyl methacrylate so that montmorillonite is dispersed in first
In base acrylic acid methyl ester., montmorillonite silicon face is grafted with carbon-carbon double bond, and methyl methacrylate can be entered between cheating engaging layer,
Under initiator azodiisobutyronitrile, benzoyl peroxide effect, there is condensation and form complex network with surface between cheating engaging layer,
So that montmorillonite is tangled to form center of stress by network cross-linked, so as to impact resistance significantly of the invention, toughness and crack resistance；Insert
Layer condensation can further increase the toughness of the present invention；The modified montmorillonoid of appropriate particle size can further increase the tough of the present invention
Property；Tributyl citrate can further increase the toughness of the present invention；Polymethyl methacrylate intermediate and anti-impact are clicked to change
Property agent, small particle rubber particles are plasticated so that anti-impact modifier, rubber particles are dispersed in polymethyl methacrylate intermediate
In, greatly increase the impact resistance and toughness of the present invention；And rubber particles can form core-shell structure, core is that pliability is good
Small particle rubber particles butyl polyacrylate, shell are polymethyl methacrylate intermediate, when external force is subject to, rubber particles meeting
Producing compared with large deformation, and micro-crack being produced centered on rubber particles, these micro-cracks absorb substantial amounts of punching in fracture process
Energy is hit, so as to greatly increase impact resistance, toughness and the crack resistance of the present invention, the core-shell structure that rubber particles are formed and modification
The center of stress that montmorillonite is formed cooperates, and greatly increases the toughness and crack resistance of the present invention；Each material cooperates so that
The present invention has good toughness, impact resistance and crack resistance.
Specific embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of cracking resistance lucite, its raw material include by weight：125 parts of methyl methacrylate, dimethacrylate
12.5 parts of diethylene glycol ester, 4 parts of tributyl citrate, 15 parts of rubber particles, 4 parts of modified montmorillonoid, azodiisobutyronitrile 0.4
Part, 0.4 part of benzoyl peroxide, 4 parts of anti-impact modifier, 3 parts of lauryl mercaptan.
The preparation method of above-mentioned cracking resistance lucite, comprises the steps：
S1, by dimethacrylate diethylene glycol ester, tributyl citrate, modified montmorillonoid, azodiisobutyronitrile, mistake
BP, lauryl mercaptan are added in methyl methacrylate, and ultrasonic disperse is warming up to 68 DEG C, insulated and stirred
40min, ice-water bath are cooled to 12 DEG C, stand 1.3h, are warming up to 52 DEG C, are incubated 21h, then heat to 62 DEG C, are incubated 21h, then
82 DEG C are warming up to, 2.5h are incubated, are finally warming up to 98 DEG C, be incubated 3.5h, be cooled to room temperature and obtain in polymethyl methacrylate
Mesosome；
S2, take the polymethyl methacrylate intermediate obtained in S1 and plasticate 50min, add rubber particles, anti-impact to click to change
Property agent plasticate, Bao Tong, packing, compression molding obtains cracking resistance lucite.
Embodiment 2
A kind of cracking resistance lucite, its raw material include by weight：100 parts of methyl methacrylate, dimethacrylate
14 parts of diethylene glycol ester, 3 parts of tributyl citrate, particle diameter are 13 parts of 5 μm of butyl polyacrylate particles, and particle diameter is 120nm second
3 parts of thiazolinyl trimethoxy silane modified montmorillonoid, 0.5 part of azodiisobutyronitrile, 0.3 part of benzoyl peroxide, methacrylic acid
5 parts of methyl ester-BS, 2 parts of lauryl mercaptan.
The preparation method of above-mentioned cracking resistance lucite, comprises the steps：
S1, by modified to dimethacrylate diethylene glycol ester, tributyl citrate, vinyltrimethoxy silane cover de-
Soil, azodiisobutyronitrile, benzoyl peroxide, lauryl mercaptan are added in methyl methacrylate, and ultrasonic disperse is warming up to
70 DEG C, insulated and stirred 35min, ice-water bath are cooled to 15 DEG C, stand 1h, are warming up to 55 DEG C, are incubated 20h, then heat to 65 DEG C,
Insulation 20h, then 85 DEG C are warming up to, 2h is incubated, 100 DEG C are finally warming up to, 3h is incubated, room temperature is cooled to the speed of 2 DEG C/min
Obtain polymethyl methacrylate intermediate；
S2, take the polymethyl methacrylate intermediate obtained in S1 and plasticate 40min, add butyl polyacrylate particle,
MBS is plasticated, Bao Tong, and packing, compression molding obtain cracking resistance lucite.
Embodiment 3
A kind of cracking resistance lucite, its raw material include by weight：150 parts of methyl methacrylate, dimethacrylate
11 parts of diethylene glycol ester, 5 parts of tributyl citrate, particle diameter are 17 parts of 3 μm of butyl polyacrylate particles, and particle diameter is 100nm second
5 parts of thiazolinyl trimethoxy silane modified montmorillonoid, 0.3 part of azodiisobutyronitrile, 0.5 part of benzoyl peroxide, methacrylic acid
3 parts of methyl ester-BS, 4 parts of lauryl mercaptan.
The preparation method of above-mentioned cracking resistance lucite, comprises the steps：
S1, by modified to dimethacrylate diethylene glycol ester, tributyl citrate, vinyltrimethoxy silane cover de-
Soil, azodiisobutyronitrile, benzoyl peroxide, lauryl mercaptan are added in methyl methacrylate, and ultrasonic disperse is warming up to
65 DEG C, insulated and stirred 45min, ice-water bath are cooled to 10 DEG C, stand 1.5h, are warming up to 50 DEG C, are incubated 22h, then heat to 60
DEG C, 22h is incubated, then is warming up to 80 DEG C, be incubated 3h, be finally warming up to 95 DEG C, be incubated 4h, room is cooled to the speed of 1 DEG C/min
Temperature obtains polymethyl methacrylate intermediate；
S2, take the polymethyl methacrylate intermediate obtained in S1 and plasticate 60min, add butyl polyacrylate particle,
MBS is plasticated, Bao Tong, and packing, compression molding obtain cracking resistance lucite.
Embodiment 4
A kind of cracking resistance lucite, its raw material include by weight：120 parts of methyl methacrylate, dimethacrylate
13 parts of diethylene glycol ester, 3.5 parts of tributyl citrate, particle diameter is 14 parts of 4.5 μm of butyl polyacrylate particles, and particle diameter is
3.5 parts of 115nm vinyltrimethoxy silanes modified montmorillonoid, 0.45 part of azodiisobutyronitrile, 0.35 part of benzoyl peroxide,
4.5 parts of MBS, 2.5 parts of lauryl mercaptan.
The preparation method of above-mentioned cracking resistance lucite, comprises the steps：
S1, by modified to dimethacrylate diethylene glycol ester, tributyl citrate, vinyltrimethoxy silane cover de-
Soil, azodiisobutyronitrile, benzoyl peroxide, lauryl mercaptan are added in methyl methacrylate, and ultrasonic disperse is warming up to
69 DEG C, insulated and stirred 38min, ice-water bath are cooled to 13 DEG C, stand 1.2h, are warming up to 53 DEG C, are incubated 20.5h, then heat to
63 DEG C, 20.5h is incubated, then is warming up to 83 DEG C, be incubated 2.3h, be finally warming up to 99 DEG C, be incubated 3.2h, with the speed of 1.7 DEG C/min
Degree is cooled to room temperature and obtains polymethyl methacrylate intermediate；
S2, take the polymethyl methacrylate intermediate obtained in S1 and plasticate 45min, add butyl polyacrylate particle,
MBS is plasticated, Bao Tong, and packing, compression molding obtain cracking resistance lucite.
Embodiment 5
A kind of cracking resistance lucite, its raw material include by weight：130 parts of methyl methacrylate, dimethacrylate
12 parts of diethylene glycol ester, 4.5 parts of tributyl citrate, particle diameter is 16 parts of 3.5 μm of butyl polyacrylate particles, and particle diameter is
4.5 parts of 105nm vinyltrimethoxy silanes modified montmorillonoid, 0.35 part of azodiisobutyronitrile, 0.45 part of benzoyl peroxide,
3.5 parts of MBS, 3.5 parts of lauryl mercaptan.
The preparation method of above-mentioned cracking resistance lucite, comprises the steps：
S1, by modified to dimethacrylate diethylene glycol ester, tributyl citrate, vinyltrimethoxy silane cover de-
Soil, azodiisobutyronitrile, benzoyl peroxide, lauryl mercaptan are added in methyl methacrylate, and ultrasonic disperse is warming up to
67 DEG C, insulated and stirred 42min, ice-water bath are cooled to 11 DEG C, stand 1.4h, are warming up to 51 DEG C, are incubated 21.5h, then heat to
61 DEG C, 21.5h is incubated, then is warming up to 81 DEG C, be incubated 2.7h, be finally warming up to 97 DEG C, be incubated 3.8h, with the speed of 1.3 DEG C/min
Degree is cooled to room temperature and obtains polymethyl methacrylate intermediate；
S2, take the polymethyl methacrylate intermediate obtained in S1 and plasticate 55min, add butyl polyacrylate particle,
MBS is plasticated, Bao Tong, and packing, compression molding obtain cracking resistance lucite.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, should all be included within the scope of the present invention.
Claims (7)
1. a kind of cracking resistance lucite, it is characterised in that its raw material includes by weight：Methyl methacrylate 100-150 parts,
Dimethacrylate diethylene glycol ester 11-14 parts, tributyl citrate 3-5 part, rubber particles 13-17 parts, modified montmorillonoid
3-5 parts, azodiisobutyronitrile 0.3-0.5 parts, benzoyl peroxide 0.3-0.5 parts, anti-impact modifier 3-5 parts, dodecyl
Mercaptan 2-4 parts.
2. cracking resistance lucite according to claim 1, it is characterised in that its raw material includes by weight：Methacrylic acid
Methyl ester 120-130 parts, dimethacrylate diethylene glycol ester 12-13 parts, tributyl citrate 3.5-4.5 part, rubber particles
14-16 parts, modified montmorillonoid 3.5-4.5 parts, azodiisobutyronitrile 0.35-0.45 parts, benzoyl peroxide 0.35-0.45 parts,
Anti-impact modifier 3.5-4.5 parts, lauryl mercaptan 2.5-3.5 parts.
3. cracking resistance lucite according to claim 1 or claim 2, it is characterised in that be butyl polyacrylate grain in rubber particles
Son, its particle diameter are 3-5 μm.
4. cracking resistance lucite according to any one of claim 1-3, it is characterised in that modified montmorillonoid is vinyl front three
TMOS modified montmorillonoid, its particle diameter are 100-120nm.
5. cracking resistance lucite according to any one of claim 1-4, it is characterised in that anti-impact modifier is metering system
Sour methyl ester-BS.
6. a kind of preparation method of cracking resistance lucite as described in any one of claim 1-5, it is characterised in that including following step
Suddenly：
S1, by dimethacrylate diethylene glycol ester, tributyl citrate, modified montmorillonoid, azodiisobutyronitrile, peroxidating
Benzoyl, lauryl mercaptan are added in methyl methacrylate, and ultrasonic disperse is warming up to 65-70 DEG C, insulated and stirred 35-
45min, ice-water bath are cooled to 10-15 DEG C, stand 1-1.5h, are warming up to 50-55 DEG C, are incubated 20-22h, then heat to 60-65
DEG C, 20-22h is incubated, then is warming up to 80-85 DEG C, be incubated 2-3h, be finally warming up to 95-100 DEG C, be incubated 3-4h, be cooled to room temperature
Obtain polymethyl methacrylate intermediate；
S2, take the polymethyl methacrylate intermediate obtained in S1 and plasticate 40-60min, add rubber particles, impact modification
Agent is plasticated, Bao Tong, and packing, compression molding obtain cracking resistance lucite.
7. the preparation method of cracking resistance lucite according to claim 6, it is characterised in that in S1, with 1-2 DEG C/min's
Speed is cooled to room temperature.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611183582.7A CN106496903A (en) | 2016-12-20 | 2016-12-20 | A kind of cracking resistance lucite and preparation method thereof |
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| CN201611183582.7A CN106496903A (en) | 2016-12-20 | 2016-12-20 | A kind of cracking resistance lucite and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107083002A (en) * | 2017-04-27 | 2017-08-22 | 蚌埠承永玻璃制品有限公司 | A kind of heat-resistant high-strength lucite and preparation method thereof |
| CN107903352A (en) * | 2017-11-27 | 2018-04-13 | 蚌埠承永玻璃制品有限公司 | A kind of radiation protection antibacterial organic glass and preparation method thereof |
| 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 |
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Application publication date: 20170315 |