CN109320836A - A kind of method of organic inorganic hybridization core-shell nano tenacity-increased profax - Google Patents
A kind of method of organic inorganic hybridization core-shell nano tenacity-increased profax Download PDFInfo
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- CN109320836A CN109320836A CN201811027179.4A CN201811027179A CN109320836A CN 109320836 A CN109320836 A CN 109320836A CN 201811027179 A CN201811027179 A CN 201811027179A CN 109320836 A CN109320836 A CN 109320836A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- 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
- C08F292/00—Macromolecular compounds obtained by polymerising monomers on to inorganic materials
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract
The invention discloses a kind of methods of organic inorganic hybridization core-shell nano tenacity-increased profax, by 80~90 parts of acrylic resin, 5~10 parts of core-shell nano, 1~3 part of antioxidant, 1~3 part of dispersing agent high-speed mixer after mixing, be kneaded simultaneously extruding pelletization, obtains toughening modifying PP composite material.The present invention has synthesized a kind of novel core-shell nano, and it is applied to acrylic resin toughening modifying, there is excellent toughening effect, obtained polypropylene toughness-increasing modified composite material has both good rigidity and toughness, thermal stability is good, is with a wide range of applications.
Description
Technical field
The present invention relates to field of high polymer material modification, and in particular to a kind of organic inorganic hybridization core-shell nano
The method of tenacity-increased profax.
Background technique
Polypropylene is that one kind by propylene monomer obtains high molecular polymer by free radical polymerization, not according to its polymerized monomer
It is same to be commonly divided into homopolypropylene and copolymer polypropylene.Due to have many advantages, such as it is light, have excellent performance, easily molded processing,
Become the five big fastest-rising kinds of commodity polymer material, is widely used in automobile, building, substrate, Medical Devices
Equal fields.
However the shock resistance of polypropylene especially homopolypropylene is poor so that its application range receive it is certain
Limitation.Current relatively straightforward method is to carry out blending and modifying to polypropylene matrix, and thermoplastic elastomer (TPE) or nothing usually can be used
Machine nano-particle toughening.Often dosage is larger when elastomer is for polypropylene toughening, and the cost is relatively high, and low dosage is inorganic
Nanoparticle just can be obviously improved polyacrylic shock resistance, but lead to the rigidity and stretching of material since compatibility is poor
Intensity decline.These blending modification methods improve polyacrylic shock resistance to a certain extent, but often lose
Its excellent rigidity.Therefore, it is very urgent to develop novel, efficient polypropylene toughening system.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of organic inorganic hybridization core-shell nano toughening
Polyacrylic method is effectively promoted by the way that novel core-shell nano, antioxidant and dispersing agent to be blended with polypropylene matrix
Polypropylene material notch impact strength, and reduce it as far as possible and rigidly lose.
To achieve the goals above, the present invention designs a kind of novel core-shell nano toughened polypropylene composite, should
Material includes following components and weight percentage: 80~90 parts of acrylic resin, 10~15 parts of core-shell nano, antioxidant
1~3 part, 1~3 part of blending of dispersing agent obtains.
Preferably, a kind of core-shell nano preparation method comprising the steps of:
A. prepared by surface modification silica: Nano particles of silicon dioxide being added in organic solvent, under ice-water bath dropwise
It is added dropwise to 2- bromo isobutyl acylbromide, reacts 6h after being warmed to room temperature naturally；
B. prepared by core-shell nano: the inorganic nano-particle of the obtained surface modification of step a is added in polymerization bottle simultaneously
It is dissolved using methyl phenyl ethers anisole, sequentially adds CuBr, PMDETA and methyl methacrylate (MMA), circulation, which is frozen, takes out deoxygenation three times, argon
Methyl methacrylate (BA) is added after the lower 70 DEG C of reactions 12h of gas shielded, then reacts 12h, finally obtains core-shell nano
SiO2-g-(MMA-b-BM)。
Organic solvent is anhydrous methylene chloride in above-mentioned steps a.
CuBr, PMDETA, MMA and BA molar ratio described in above-mentioned steps b are 1:2:100:100~200.
Preferably, the acrylic resin is homopolypropylene, melt index is 1~25g/10min.
Preferably, the antioxidant is one of antioxidant 1010 and antioxidant 1076.
Preferably, the dispersing agent is one or both of stearic acid and calcium stearate.
Tough-increased and reinforced modification PP composite material preparation method of the present invention, includes the following steps:
A. all raw materials are distinguished into 90 DEG C of drying process 12h；
B. the raw material after drying is uniformly mixed and is added double screw extruder in high-speed mixer according to the ratio, be in temperature
190~230 DEG C, revolving speed is melting extrusion under 120~160r/min, and cooling, granulation obtains toughening modifying PP composite material.
The method for the organic inorganic hybridization core-shell nano tenacity-increased profax that the present invention obtains, it is a kind of novel by synthesizing
Core-shell nano, and be applied to acrylic resin toughening modifying, there is excellent toughening effect, obtained poly- third
Alkene toughening modifying composite material has both good rigidity and toughness, and thermal stability is good, is with a wide range of applications.
Specific embodiment
Further narration in detail will be done to the present invention below: the embodiment carries out real under the premise of technical solution of the present invention
It applies, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
The present invention designs a kind of novel core-shell nano toughened polypropylene composite, the material include following components and
Weight percentage: 80~90 parts of acrylic resin, 10~15 parts of core-shell nano, 1~3 part of antioxidant, dispersing agent 1~3
Part is blended and obtains.
A kind of novel core-shell nano preparation method comprising the steps of:
A. prepared by surface modification silica: Nano particles of silicon dioxide being added in organic solvent, under ice-water bath dropwise
It is added dropwise to 2- bromo isobutyl acylbromide, reacts 6h after being warmed to room temperature naturally.It is organic in above-mentioned surface modification silica preparation flow
Solvent is anhydrous methylene chloride.
B. prepared by core-shell nano: the inorganic nano-particle of the obtained surface modification of step a is added in polymerization bottle simultaneously
It is dissolved using methyl phenyl ethers anisole, sequentially adds CuBr, PMDETA and methyl methacrylate (MMA), circulation, which is frozen, takes out deoxygenation three times, argon
Methyl methacrylate (BA) is added after the lower 70 DEG C of reactions 12h of gas shielded, then reacts 12h, finally obtains novel core-shell nano
Particle SiO2-g-(MMA-b-BM).CuBr, PMDETA, MMA and BA molar ratio are in above-mentioned core-shell nano preparation flow
1:2:100:100。
Core-shell nano toughened polypropylene composite preparation method, includes the following steps: in the present invention
A. all raw materials are distinguished into 90 DEG C of drying process 12h；
B. by 1000g polypropylene, 80g core-shell nano, 20g antioxidant 1010 and 20g stearic acid in mixed at high speed
It is uniformly mixed in machine, and double screw extruder is added, be 190~230 DEG C in temperature, revolving speed is to melt under 120~160r/min
It squeezes out, cooling, granulation obtains toughening modifying PP composite material.
Embodiment 2
The present invention designs a kind of core-shell nano toughened polypropylene composite, which includes following components and weight
Percentage composition: 80~90 parts of acrylic resin, 10~15 parts of core-shell nano, 1~3 part of antioxidant, 1~3 part of dispersing agent altogether
It is mixed to obtain.
A kind of novel core-shell nano preparation method comprising the steps of:
A. prepared by surface modification silica: Nano particles of silicon dioxide being added in organic solvent, under ice-water bath dropwise
It is added dropwise to 2- bromo isobutyl acylbromide, reacts 6h after being warmed to room temperature naturally.It is organic in above-mentioned surface modification silica preparation flow
Solvent is anhydrous methylene chloride.
B. prepared by core-shell nano: the inorganic nano-particle of the obtained surface modification of step a is added in polymerization bottle simultaneously
It is dissolved using methyl phenyl ethers anisole, sequentially adds CuBr, PMDETA and methyl methacrylate (MMA), circulation, which is frozen, takes out deoxygenation three times, argon
Methyl methacrylate (BA) is added after the lower 70 DEG C of reactions 12h of gas shielded, then reacts 12h, finally obtains core-shell nano
SiO2-g-(MMA-b-BM).CuBr, PMDETA, MMA and BA in above-mentioned organic inorganic hybridization core-shell nano preparation flow
Molar ratio is 1:2:100:200
Core-shell nano toughened polypropylene composite preparation method, includes the following steps: in the present invention
A. all raw materials are distinguished into 90 DEG C of drying process 12h；
B. by 1000g polypropylene, 80g core-shell nano, 20g antioxidant 1010 and 20g stearic acid in mixed at high speed
It is uniformly mixed in machine, and double screw extruder is added, be 190~230 DEG C in temperature, revolving speed is to melt under 120~160r/min
It squeezes out, cooling, granulation obtains toughening modifying PP composite material.
Embodiment 3
The present invention designs a kind of core-shell nano toughened polypropylene composite, which includes following components and weight
Percentage composition: 80~90 parts of acrylic resin, 10~15 parts of core-shell nano, 1~3 part of antioxidant, 1~3 part of dispersing agent altogether
It is mixed to obtain.
A kind of novel core-shell nano preparation method comprising the steps of:
A. prepared by surface modification silica: Nano particles of silicon dioxide being added in organic solvent, under ice-water bath dropwise
It is added dropwise to 2- bromo isobutyl acylbromide, reacts 6h after being warmed to room temperature naturally.It is organic in above-mentioned surface modification silica preparation flow
Solvent is anhydrous methylene chloride.
B. prepared by core-shell nano: the inorganic nano-particle of the obtained surface modification of step a is added in polymerization bottle simultaneously
It is dissolved using methyl phenyl ethers anisole, sequentially adds CuBr, PMDETA and methyl methacrylate (MMA), circulation, which is frozen, takes out deoxygenation three times, argon
Methyl methacrylate (BA) is added after the lower 70 DEG C of reactions 12h of gas shielded, then reacts 12h, finally obtains core-shell nano
SiO2-g-(MMA-b-BM).CuBr, PMDETA, MMA and BA molar ratio are 1:2 in above-mentioned core-shell nano preparation flow:
100:100
Core-shell nano toughened polypropylene composite preparation method, includes the following steps: in the present invention
A. all raw materials are distinguished into 90 DEG C of drying process 12h；
B. 1000g polypropylene, 110g core-shell nano, 20g antioxidant 1010 and 20g stearic acid is mixed in high speed
It is uniformly mixed in conjunction machine, and double screw extruder is added, be 190~230 DEG C in temperature, revolving speed is to melt under 120~160r/min
Melt extrusion, cooling, granulation obtains toughening modifying PP composite material.
Embodiment 4
The present invention designs a kind of core-shell nano toughened polypropylene composite, which includes following components and weight
Percentage composition: 80~90 parts of acrylic resin, 10~15 parts of core-shell nano, 1~3 part of antioxidant, 1~3 part of dispersing agent altogether
It is mixed to obtain.
A kind of novel core-shell nano preparation method comprising the steps of:
A. prepared by surface modification silica: Nano particles of silicon dioxide being added in organic solvent, under ice-water bath dropwise
It is added dropwise to 2- bromo isobutyl acylbromide, reacts 6h after being warmed to room temperature naturally.It is organic in above-mentioned surface modification silica preparation flow
Solvent is anhydrous methylene chloride.
B. prepared by core-shell nano: the inorganic nano-particle of the obtained surface modification of step a is added in polymerization bottle simultaneously
It is dissolved using methyl phenyl ethers anisole, sequentially adds CuBr, PMDETA and methyl methacrylate (MMA), circulation, which is frozen, takes out deoxygenation three times, argon
Methyl methacrylate (BA) is added after the lower 70 DEG C of reactions 12h of gas shielded, then reacts 12h, finally obtains core-shell nano
SiO2-g-(MMA-b-BM).CuBr, PMDETA, MMA and BA molar ratio are 1:2 in above-mentioned core-shell nano preparation flow:
100:100
Core-shell nano toughened polypropylene composite preparation method, includes the following steps: in the present invention
A. all raw materials are distinguished into 90 DEG C of drying process 12h；
B. 1000g polypropylene, 150g core-shell nano, 20g antioxidant 1010 and 20g stearic acid is mixed in high speed
It is uniformly mixed in conjunction machine, and double screw extruder is added, be 190~230 DEG C in temperature, revolving speed is to melt under 120~160r/min
Melt extrusion, cooling, granulation obtains toughening modifying PP composite material.Performance evaluation mode and implementation standard:
Particle prepared by the above method is placed in 90 DEG C of convection ovens dry 8h, is then again infusing dried pellet
Injection molding obtains corresponding test bars on molding machine.
Tensile property test: being carried out, specimen size 170mm*10mm*4mm by GB/T 1040-2006 standard, stretches speed
Rate is 50mm/min.
The test of simply supported beam notch impact strength: it is carried out by GB/T 1043.1-2008 standard, specimen size 60mm*
10mm*4mm。
The novel core-shell nano toughened polypropylene composite mechanical property of 1 Examples 1 to 4 of table
Claims (5)
1. a kind of method of organic inorganic hybridization core-shell nano tenacity-increased profax, which is characterized in that including following components and
Weight percentage: 80~90 parts of acrylic resin, 10~15 parts of core-shell nano, 1~3 part of antioxidant, dispersing agent 1~3
Part is blended and obtains；
Wherein core-shell nano preparation method comprising the steps of:
A. prepared by surface modification silica: Nano particles of silicon dioxide being added in organic solvent, is added dropwise dropwise under ice-water bath
Enter 2- bromo isobutyl acylbromide, reacts 6h after being warmed to room temperature naturally；
B. prepared by organic inorganic hybridization core-shell nano: the inorganic nano-particle of the obtained surface modification of step a being added poly-
It closes in bottle and is dissolved using methyl phenyl ethers anisole, sequentially add CuBr, PMDETA and MMA, circulation, which is frozen, takes out deoxygenation three times, under argon gas protection
BA is added after 70 DEG C of reaction 12h, then reacts 12h, finally obtains core-shell nano SiO2- g- (MMA-b-BM),
Organic solvent is anhydrous methylene chloride in above-mentioned steps a, and CuBr, PMDETA, MMA and BA described in above-mentioned steps b rub
You are than being 1:2:100:100~200.
2. a kind of method of organic inorganic hybridization core-shell nano tenacity-increased profax according to claim 1, feature
It is, the acrylic resin is homopolypropylene, and melt index is 1~25g/10min.
3. a kind of method of organic inorganic hybridization core-shell nano tenacity-increased profax according to claim 1, feature
It is, the antioxidant is one of antioxidant 1010 and antioxidant 1076.
4. a kind of method of organic inorganic hybridization core-shell nano tenacity-increased profax according to claim 1, feature
It is, the dispersing agent is one or both of stearic acid and calcium stearate.
5. a kind of method of organic inorganic hybridization core-shell nano tenacity-increased profax according to claim 1, feature
It is, includes the following steps:
A. all raw materials are distinguished into 90 DEG C of drying process 12h；
B. the raw material after drying is uniformly mixed and is added double screw extruder in high-speed mixer according to the ratio, be 190 in temperature
~230 DEG C, revolving speed is melting extrusion under 120~160r/min, and cooling, granulation obtains toughening modifying PP composite material.
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| CN201811027179.4A CN109320836A (en) | 2018-09-04 | 2018-09-04 | A kind of method of organic inorganic hybridization core-shell nano tenacity-increased profax |
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| CN201811027179.4A CN109320836A (en) | 2018-09-04 | 2018-09-04 | A kind of method of organic inorganic hybridization core-shell nano tenacity-increased profax |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112011140A (en) * | 2020-07-22 | 2020-12-01 | 广州工程技术职业学院 | Hybrid particle and preparation method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112011140A (en) * | 2020-07-22 | 2020-12-01 | 广州工程技术职业学院 | Hybrid particle and preparation method and application thereof |
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