CN107383615A - A kind of modified polypropylene material and preparation method thereof - Google Patents
A kind of modified polypropylene material and preparation method thereof Download PDFInfo
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- CN107383615A CN107383615A CN201710739209.3A CN201710739209A CN107383615A CN 107383615 A CN107383615 A CN 107383615A CN 201710739209 A CN201710739209 A CN 201710739209A CN 107383615 A CN107383615 A CN 107383615A
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- modified polypropylene
- polypropylene material
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- compatilizer
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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
- 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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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
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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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
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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
- C08K2201/001—Conductive additives
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/006—Additives being defined by their surface area
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The invention discloses a kind of polypropylene modified material and preparation method thereof, the modified polypropylene material is made up of following components in parts by weight：It is characterized in that it is made up of following components in parts by weight：100 parts of acrylic resin, 0.5~5 part of modifying agent, 0~15 part of compatilizer, 0.1~0.4 part of composite antioxidant.The modified polypropylene material of the present invention has good activeness and quietness performance, higher heat decomposition temperature, heat distortion temperature.
Description
Technical field
The present invention relates to a kind of high polymer material and preparation method thereof, and in particular to a kind of modified polypropylene material and its system
Preparation Method.
Background technology
Polypropylene is widely used in electronics electricity due to having the characteristics that heat-resist, water imbibition is small, inexpensive, source is wide
The manufacture of the parts such as device, auto parts, modern handle official bussiness articles for use.But due to polypropylene, comprehensive mechanical property to be present relatively low, conductive
The shortcomings that thermal conductivity is poor, it is restricted its application in some fields.
Modified polypropene species currently used in the market is more, is modified primarily directed to a certain performance.It is filling-modified
That relatively inexpensive non-metallic mineral powder material or other materials are added in polypropylene, so as to reduce the raw material of product into
This, while can also improve some performances of plastic material, for example, rigidly, hardness and heat resistance etc..Such as calcium carbonate (coarse whiting, fine particle calcium carbonate)
Increment reduces cost, improves shock resistance, improves printing；Talcum powder (sheet) increment reduce cost, improve it is rigid and resistance to
Hot, raising dimensional stability；Mica powder (sheet) significantly improves rigidity and heat resistance, improves dimensional stability and high temperature resistant is compacted
Denaturation；Blanc fixe (blanc fixe) improves product surface gloss, increase density of material；Carbon black makes conductive plastics, reaches
Permanent anti-static effect, improve illumination aging resisting；Metal powder conductive plastics, reach permanent anti-static effect；Wood powder
Reduce cost, favourable resource regeneration.Above-mentioned method of modifying generally requires the more filler modified polypropene of dosage, ability
Modified effect is obtained, but is had a negative impact to the mechanical property of modified polypropylene material.
And graphene is a kind of new carbons material, there is remarkable mechanics, electricity, thermal property.The present invention utilizes stone
This characteristic of black alkene, melt blending is carried out using a small amount of graphene and polypropylene, you can obtain with excellent mechanical performances,
The modified polypropylene material of heat resistance and electrical and thermal conductivity performance, meet specific application area applies needs.
The content of the invention
An object of the present invention is to solve the above problems, there is provided one kind has application method easy, flexible, can meet
The production of application-specific requirement, while there is preferable mechanical property, heat resistance, electrical and thermal conductivity performance, production cost
Relatively low, the simple modified polypropylene material of production process.
Another object of the present invention is to provide the preparation method of above-mentioned modified polypropylene material.
Claimed modified polypropylene material, is made up of following components in parts by weight：Acrylic resin 100
Part, 0.5~5 part of modifying agent, 0~15 part of compatilizer, 0.1~0.4 part of composite antioxidant.
The preferable acrylic resin is buck polymerization polypropylene powder.
Preferable modifying agent is graphene, its specific surface area 450-550m2/ g, particle diameter (D50) ﹤ 10um, carbon mass fraction≤
98.0%.
Preferable compatilizer is that maleic anhydride is grafted POE.
Preferable composite antioxidant is made up of antioxidant 1010, irgasfos 168 according to 1: 3 weight ratio.
The preparation method of modified polypropylene material of the present invention, comprises the following steps：
(1) polypropylene powder, modifying agent, compatilizer and the composite antioxidant by the polymerisation in bulk weighed according to formula fall
Enter 3~4min of mixed on low speed in mixer, discharge, obtain mixed material；
(2) mixed material obtained by step (1) is sent to melting extrusion in double screw extruder, the billot mould extruded
Head pelletizing and water cooling, modified polypropylene material is produced by drying process.
It is preferred that step (2) in the temperature in each area of double screw extruder be：T1=140~150 DEG C, T2=150~160 DEG C,
T3=160~170 DEG C, T4=170~180 DEG C, T5=180~190 DEG C, T6=190~200 DEG C, T7=190~200 DEG C, T8=
200~205 DEG C, T9=190~200 DEG C, TMould=180~190 DEG C.
It is preferred that step (2) in the temperature in each area of double screw extruder be：T1=150 DEG C, T2=160 DEG C, T3=170 DEG C,
T4=180 DEG C, T5=190 DEG C, T6=200 DEG C, T7=200 DEG C, T8=205 DEG C, T9=200 DEG C, TMould=190 DEG C.
It is preferred that step (1) in weigh acrylic resin, modifying agent, compatilizer and composite antioxidant and pour into mixer
Mixed on low speed 4min.
The good effect that the present invention has：
1. the modified polypropylene material of the present invention uses specific surface area 450-550m2/ g, particle diameter (D50) ﹤ 10um, carbonaceous amount
The graphene of Fen Shuo≤98.0% has advantages below：
(1) good polypropylene reinforced plasticized effect can be obtained under less dosage；
(2) polyacrylic heat distortion temperature and conductive and heat-conductive effect are effectively improved under less dosage；
(3) polyacrylic heat decomposition temperature is improved under less dosage；Ensure that modified polypropylene material manufacture and into
Type processing stability.
2. the modified polypropylene material of the present invention is grafted POE as compatilizer using maleic anhydride, it ensure that graphene exists
With good dispersed effect in modified polypropylene material manufacture and application, be advantageous to improve modified polypropylene material
Activeness and quietness and conductive and heat-conductive effect.
Embodiment
Embodiment 1
The modified polypropylene material of the present embodiment is made up of the component of following weight：
25kg polypropylene powder resin, 0.25kg graphene, 0.1kg composite antioxidant is (by 0.025kg antioxidant
1010 and 0.075kg irgasfos 168s form).
The preparation method of above-mentioned modified polypropylene material has steps of：
(1) polypropylene powder, modifying agent, compatilizer and the composite antioxidant by the polymerisation in bulk weighed according to formula fall
Enter mixed on low speed 4min in mixer, discharge, obtain mixed material；
(2) mixed material is sent to melting extrusion in double screw extruder, the billot die head pelletizing extruded and water cooling
But, modified polypropylene material is produced by drying process.
In above-mentioned steps (2), the temperature in each area of double screw extruder is：T1=150 DEG C, T2=160 DEG C, T3=170 DEG C,
T4=180 DEG C, T5=190 DEG C, T6=200 DEG C, T7=200 DEG C, T8=205 DEG C, T9=200 DEG C, TMould=190 DEG C.
2~embodiment of embodiment 6
The preparation method of the modified polypropylene material of each embodiment is same as Example 1, and difference is each component
Weight proportion, specifically it is shown in Table 1.
Table 1：The prescription of embodiment 1~6 matches
By modified polypropylene material made from 1~embodiment of embodiment 6, standard specimen is molded using injection moulding machine, and
Power performance test is carried out to the standard specimen by national standard, test result is shown in Table 2.
Table 2：Modified polypropylene material test result is made in the prescription of embodiment 1~6
Comparative example
The preparation method of the modified polypropylene material of comparative example is identical with embodiment 3 and embodiment 5, and difference is in component
Proportioning is different, and virgin pp powder is contrasted, is specifically shown in Table 3.
Table 3：Embodiment 3, embodiment 5, comparative example prescription proportioning
| Embodiment 3 | Embodiment 5 | Comparative example | |
| Polypropylene powder resin | 25kg | 25kg | 25 |
| Graphene | 0.625kg | 0.375kg | 0 |
| Maleic anhydride is grafted POE | 0kg | 2.5kg | 0 |
| Antioxidant 1010 | 0.025kg | 0.025kg | 0 |
| Irgasfos 168 | 0.075kg | 0.075kg | 0 |
By comparative example polypropylene powder using injection moulding machine injection standard specimen, the performance of test, 4 are specifically shown in Table.
Table 4：Modified polypropylene material test result is made in embodiment 3, embodiment 5, comparative example prescription
From table 4, the present invention is grafted POE modified polypropenes compared with virgin pp using graphene and maleic anhydride,
Polyacrylic comprehensive mechanical property, heat distortion temperature, heat decomposition temperature, thermal conductivity factor can be effectively improved, reduce its sheet resistance,
Volume resistance.
Claims (10)
1. a kind of modified polypropylene material, it is characterised in that the material is made up of following components in parts by weight：Acrylic resin
100 parts, 0.5~5 part of modifying agent, 0~15 part of compatilizer, 0.1~0.4 part of composite antioxidant.
2. modified polypropylene material according to claim 1, it is characterised in that the acrylic resin gathers for polymerisation in bulk
Propylene powder.
3. modified polypropylene material according to claim 1, it is characterised in that described compatilizer is grafted for maleic anhydride
POE。
4. modified polypropylene material according to claim 1, it is characterised in that described composite antioxidant is by antioxidant
1010 and irgasfos 168 composition.
5. modified polypropylene material according to claim 1, it is characterised in that described composite antioxidant is by antioxidant
1010 form with irgasfos 168 according to 1: 3 weight ratio.
6. according to the modified polypropylene material described in any one of Claims 1 to 5, it is characterised in that the modifying agent is graphite
Alkene, 450~550m of graphene specific surface area2/ g, particle diameter D50﹤ 10um, carbon mass fraction≤98.0%.
7. the preparation method of modified polypropylene material according to claim 6, it is characterised in that this method includes following step
Suddenly：
(1) acrylic resin, modifying agent, compatilizer and composite antioxidant will be weighed according to formula pour into low speed in mixer and mix
3~4min is closed, discharging, obtains mixed material；
(2) mixed material obtained by step (1) is sent to melting extrusion in double screw extruder, the billot die head extruded is cut
Grain and water cooling, modified polypropylene material is produced by drying process.
8. the preparation method of modified polypropylene material according to claim 7, it is characterised in that in step (2), twin-screw
The temperature in each area of extruder is：T1=140~150 DEG C, T2=150~160 DEG C, T3=160~170 DEG C, T4=170~180
DEG C, T5=180~190 DEG C, T6=190~200 DEG C, T7=190~200 DEG C, T8=200~205 DEG C, T9=190~200 DEG C,
TMould=180~190 DEG C.
9. the preparation method of modified polypropylene material according to claim 8, it is characterised in that in step (2), twin-screw
The temperature in each area of extruder is：T1=150 DEG C, T2=160 DEG C, T3=170 DEG C, T4=180 DEG C, T5=190 DEG C, T6=200 DEG C,
T7=200 DEG C, T8=205 DEG C, T9=200 DEG C, TMould=190 DEG C.
10. the preparation method of the modified polypropylene material according to any one of claim 7~8, it is characterised in that step
(1) acrylic resin, modifying agent, compatilizer and composite antioxidant are weighed in and pours into mixed on low speed 4min in mixer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710739209.3A CN107383615A (en) | 2017-08-25 | 2017-08-25 | A kind of modified polypropylene material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710739209.3A CN107383615A (en) | 2017-08-25 | 2017-08-25 | A kind of modified polypropylene material and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108314834A (en) * | 2018-02-09 | 2018-07-24 | 江苏理工学院 | A kind of modifying linear low-density polyethylene material and preparation method thereof |
| CN109824975A (en) * | 2019-01-04 | 2019-05-31 | 江苏理工学院 | A kind of PP foamed material and preparation method thereof |
| CN112029198A (en) * | 2020-09-16 | 2020-12-04 | 博罗县东明新材料研究所 | Graphene/polypropylene composite material and preparation method thereof |
| CN112662054A (en) * | 2020-12-09 | 2021-04-16 | 武汉金发科技有限公司 | Polypropylene composite material and preparation method thereof |
| CN112759837A (en) * | 2020-12-30 | 2021-05-07 | 金发科技股份有限公司 | Polypropylene composition and preparation method and application thereof |
| CN113502009A (en) * | 2021-08-02 | 2021-10-15 | 山东建通土工材料有限公司 | Flexible geomembrane and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103304887A (en) * | 2012-03-06 | 2013-09-18 | 上海杰事杰新材料(集团)股份有限公司 | Graphene-modified high-strength conductive polypropylene particles and preparation method thereof |
| CN104151695A (en) * | 2014-05-07 | 2014-11-19 | 武汉金牛经济发展有限公司 | Preparation method of polypropylene composite pipes modified by using graphene |
-
2017
- 2017-08-25 CN CN201710739209.3A patent/CN107383615A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103304887A (en) * | 2012-03-06 | 2013-09-18 | 上海杰事杰新材料(集团)股份有限公司 | Graphene-modified high-strength conductive polypropylene particles and preparation method thereof |
| CN104151695A (en) * | 2014-05-07 | 2014-11-19 | 武汉金牛经济发展有限公司 | Preparation method of polypropylene composite pipes modified by using graphene |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108314834A (en) * | 2018-02-09 | 2018-07-24 | 江苏理工学院 | A kind of modifying linear low-density polyethylene material and preparation method thereof |
| CN108314834B (en) * | 2018-02-09 | 2022-05-10 | 江苏理工学院 | Modified linear low-density polyethylene material and preparation method thereof |
| CN109824975A (en) * | 2019-01-04 | 2019-05-31 | 江苏理工学院 | A kind of PP foamed material and preparation method thereof |
| CN112029198A (en) * | 2020-09-16 | 2020-12-04 | 博罗县东明新材料研究所 | Graphene/polypropylene composite material and preparation method thereof |
| CN112662054A (en) * | 2020-12-09 | 2021-04-16 | 武汉金发科技有限公司 | Polypropylene composite material and preparation method thereof |
| CN112759837A (en) * | 2020-12-30 | 2021-05-07 | 金发科技股份有限公司 | Polypropylene composition and preparation method and application thereof |
| CN113502009A (en) * | 2021-08-02 | 2021-10-15 | 山东建通土工材料有限公司 | Flexible geomembrane and preparation method thereof |
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Application publication date: 20171124 |