CN106279968A - A kind of fiber glass reinforced polypropylene reclaimed materials and preparation method thereof - Google Patents
A kind of fiber glass reinforced polypropylene reclaimed materials and preparation method thereof Download PDFInfo
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- CN106279968A CN106279968A CN201510367074.3A CN201510367074A CN106279968A CN 106279968 A CN106279968 A CN 106279968A CN 201510367074 A CN201510367074 A CN 201510367074A CN 106279968 A CN106279968 A CN 106279968A
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- polypropylene
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92209—Temperature
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of medium-alkali glass fiber RPP reclaimed materials, this material is made up of the component of following weight portion: polypropylene recovery material 30 ~ 75 parts, polypropylene 10 ~ 30 parts, polypropylene grafted maleic anhydride 5 ~ 15 parts, medium-alkali glass fiber 10 ~ 25 parts, 0.2 ~ 1 part of antioxidant, cumyl peroxide 0.5 ~ 2 part.The invention also discloses the preparation method of this medium-alkali glass fiber RPP reclaimed materials.The present invention introduces highly polar reactive group by adding polypropylene grafted maleic anhydride in polypropylene recovery material, makes material have high polarity and reactivity, improves the compatibility of polypropylene and fiber greatly；Meanwhile, utilize laundry machine barrel waste material so that it is rationally recycled, can economize on resources, protect environment, reduce waste.
Description
Technical field
The invention belongs to field of high polymer material modification and processing technique field, be specifically related to a kind of polypropylene reclaimed material and preparation method thereof.
Background technology
Polypropylene is a kind of thermoplastic, light specific gravity, and finished surface hardness is big, and elastic high, thermostability, chemical stability, insulating properties are good, are widely used in the field such as auto parts and components, household electrical appliance.But being as industrial expansion, polyacrylic discarded amount increases year by year, in recent years, the recovery problem of waste or used plastics increasingly obtains everybody concern, and a lot of enterprises proceed by the modified again of reclaimed materials.
Polypropylene laundry machine barrel is generally COPP material, and filling is less, melt index is high, shock resistance is high.The washing machine of millions of is scrapped in the every annual meeting of China, and is increasing with average annual 20% speed.If consequent laundry machine barrel waste material can rationally be recycled, can economize on resources, protect environment, reduce waste.
Recovery polypropylene material is because of aging, degraded, and its performance the most substantially decays, in the granulation process again of reclaimed materials, polypropylene segment can again destroy and degrade, therefore to preferably utilize reclaimed materials, typically can carry out again modified, improve polyacrylic intensity and ageing-resistant performance.
Glass fibre to the potentiation of plastics clearly, and is widely used in the enhancing modified of plastics.Alkali-free glass fiber has excellent chemical stability, electrical insulating property and mechanical property, is mainly used in reinforced plastics, and on automobile, alkali-free glass fiber RPP material has been used widely at present.
The alkali metal content of medium-alkali glass fiber is higher than alkali-free glass fiber, its mechanical strength is not so good as alkali-free glass fiber, but abundance, low price, substitute alkali-free glass fiber RPP material with medium-alkali glass fiber modified polypropylene material, can reduce cost, and the use of polypropylene reclaimed material, material cost can be reduced further, bring profit to enterprise.
Summary of the invention
It is an object of the invention to provide the fiber glass reinforced polypropylene reclaimed materials of a kind of rigidity-toughness balanced performance with excellence.
It is a further object of the present invention to provide the preparation method of a kind of above-mentioned polypropylene reclaimed material.
Technical scheme is as follows:
The invention provides a kind of medium-alkali glass fiber RPP reclaimed materials, this material is made up of the component of following weight portion:
Polypropylene recovery material:
30 ~ 75 parts
Polypropylene:
10 ~ 30 parts
Polypropylene grafted maleic anhydride: 5 ~ 15 parts
Medium-alkali glass fiber:
10 ~ 25 parts
Antioxidant:
0.2 ~ 1 part
Cumyl peroxide: 0.5 ~ 2 part.
Described polypropylene melt index is that 40 ~ 100 g/10min(test conditions are: 230 DEG C, 2.16Kg).
Described polypropylene recovery material is: waste and old polypropylene laundry machine barrel reclaimed materials, its ash is: 2 ~ 10%, and density is 0.91 ~ 0.98g/cm3.Melt index is 10 ~ 40g/10min, and test condition is: 230 DEG C, 2.16Kg.
Percent grafting >=1% of described polypropylene grafted maleic anhydride, weight average molecular weight >=30000.
Described antioxidant includes primary antioxidant and auxiliary anti-oxidant.Described primary antioxidant can select one or several in hindered phenol and sulphur ester antioxidant, preferably antioxidant 1010 (chemical name: four [β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid] pentaerythritol ester) and antioxidant 1076 (chemical name: β-(4 '-hydroxyl-3 ', 5 '-di-tert-butyl-phenyl) propanoic acid octadecyl) at least one；Described auxiliary anti-oxidant is selected from one or several in phosphite and esters antioxidant, preferably irgasfos 168, chemical name: three (2,4-di-tert-butyl-phenyl) phosphite ester.The weight ratio of primary antioxidant and auxiliary anti-oxidant is 1:1.
Described medium-alkali glass fiber is middle alkali long glass fibres, and filament diameter is 20 ~ 30 microns.
Described cumyl peroxide purity >=99%.
The preparation method of the polypropylene reclaimed material of the present invention comprises the following steps, 30 ~ 75 parts of polypropylene recovery material, 10 ~ 30 parts of polypropylene, 5 ~ 15 parts of polypropylene grafted maleic anhydrides, 0.2 ~ 1 part of antioxidant and 0.5 ~ 2 part of cumyl peroxide are put in high-speed mixer and mixed 3 ~ 5 minutes, then feed the mixture in extruder, being added from glass fiber opening by 10 ~ 25 parts of medium-alkali glass fibers, extrusion pelletizing obtains required medium-alkali glass fiber RPP reclaimed materials.
Described extruder is double screw extruder, and the barrel temperature of extruder is 180 ~ 220 DEG C.
Beneficial effects of the present invention:
(1) present invention introduces highly polar reactive group by adding polypropylene grafted maleic anhydride in polypropylene recovery material, makes material have high polarity and reactivity, improves the compatibility of polypropylene and fiber greatly；
(2) on the one hand cumyl peroxide can be significantly increased the degree of cross linking of polypropylene recovery material, increase compositions melt index, improves combination physics characteristic；On the other hand jointly act on polypropylene grafted maleic anhydride and reaching and the combining closely of polymer, the intensity of material, cohesion, dispersive property etc. is made to significantly improve, finally making the compositions prepared have good dispersibility, the compatibility, excellent rigid-tough balance, the making such as arrangements for automotive doors of the product that can be used for having higher requirements rigid-tough balance is marked time body.
(3) present invention utilizes laundry machine barrel waste material so that it is is rationally recycled, can economize on resources, and protects environment, reduces waste.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further illustrated.
The comprehensive mechanical property of material is judged by the numerical value of the test hot strength of gained, bending strength, impact strength and density, and the performance test results is shown in Table 1.
Embodiment
1
By 75 parts of polypropylene recovery material, 10 parts of polypropylene, 5 parts of polypropylene grafted maleic anhydrides, 0.2 part of antioxidant (antioxidant 1010: irgasfos 168=1:1, weight ratio) and 0.5 part of cumyl peroxide put in high-speed mixer and mix 3 minutes, then feed the mixture in extruder, being added from glass fiber opening by 10 parts of medium-alkali glass fibers, extrusion pelletizing obtains required medium-alkali glass fiber RPP reclaimed materials.
The each zone temperatures of barrel of double screw extruder is respectively set to: 180 DEG C of a district, 185 DEG C of 2nd district, 195 DEG C of 3rd district, 195 DEG C of 4th district, 200 DEG C of 5th district, 200 DEG C of 6th district, head 205 DEG C.Extrusion bar is cooled to room temperature by circulating water chennel, enters pelleter pelletize after drying through hair-dryer.
Embodiment
2
By 30 parts of polypropylene recovery material, 30 parts of polypropylene, 15 parts of polypropylene grafted maleic anhydrides, 0.4 part of antioxidant (antioxidant 1010: irgasfos 168=1:1, weight ratio) and 1.3 parts of cumyl peroxides put in high-speed mixer and mix 4 minutes, then feed the mixture in extruder, being added from glass fiber opening by 25 parts of medium-alkali glass fibers, extrusion pelletizing obtains required medium-alkali glass fiber RPP reclaimed materials.
The each zone temperatures of barrel of double screw extruder is respectively set to: 180 DEG C of a district, 185 DEG C of 2nd district, 195 DEG C of 3rd district, 195 DEG C of 4th district, 210 DEG C of 5th district, 220 DEG C of 6th district, head 205 DEG C.Extrusion bar is cooled to room temperature by circulating water chennel, enters pelleter pelletize after drying through hair-dryer.
Embodiment
3
By 52 parts of polypropylene recovery material, 20 parts of polypropylene, 10 parts of polypropylene grafted maleic anhydrides, 1 part of antioxidant (antioxidant 1076: irgasfos 168=1:1, weight ratio) and 2 parts of cumyl peroxides put in high-speed mixer and mix 5 minutes, then feed the mixture in extruder, being added from glass fiber opening by 18 parts of medium-alkali glass fibers, extrusion pelletizing obtains required medium-alkali glass fiber RPP reclaimed materials.
The each zone temperatures of barrel of double screw extruder is respectively set to: 180 DEG C of a district, 185 DEG C of 2nd district, 195 DEG C of 3rd district, 195 DEG C of 4th district, 200 DEG C of 5th district, 200 DEG C of 6th district, head 205 DEG C.Extrusion bar is cooled to room temperature by circulating water chennel, enters pelleter pelletize after drying through hair-dryer.
The performance of the material that above-described embodiment produces is as shown in table 1.The material that above-described embodiment produces has the rigidity-toughness balanced performance of excellence.
Table 1
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Polypropylene | Polypropylene recovery material | Examination criteria |
| Density (g/cm3) | 0.97 | 1.08 | 1.03 | 0.9 | 1.10 | GB/T 1033 |
| Hot strength (MPa) | 76 | 81 | 66 | 28 | 16 | GB/T 1040 |
| Bending strength (MPa) | 98 | 112 | 81 | 42 | 23 | GB/T 9341 |
| Bending modulus (MPa) | 3421 | 3328 | 2986 | 1852 | 986 | GB/T 9341 |
| Simply supported beam notch impact strength (KJ/m2) | 18 | 22 | 19 | 14 | 9 | GB/T 1043 |
| Simply supported beam unnotched impact strength (KJ/m2) | 67 | 88 | 71 | 54 | 26 | GB/T 1043 |
In table 1, polypropylene recovery material is waste and old polypropylene laundry machine barrel reclaimed materials, and polypropylene is the COPP material PP K7760 of Beijing yanshan petrochemical company limited.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and apply the present invention.These embodiments obviously easily can be made various amendment by person skilled in the art, and General Principle described herein is applied in other embodiments without through performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art should be within protection scope of the present invention according to the announcement of the present invention, the improvement made without departing from scope and amendment.
Claims (9)
1. a fiber glass reinforced polypropylene reclaimed materials, is made up of the component of following weight portion:
Polypropylene recovery material:
30 ~ 75 parts
Polypropylene:
10 ~ 30 parts
Polypropylene grafted maleic anhydride: 5 ~ 15 parts
Medium-alkali glass fiber:
10 ~ 25 parts
Antioxidant:
0.2 ~ 1 part
Cumyl peroxide: 0.5 ~ 2 part.
Fiber glass reinforced polypropylene reclaimed materials the most according to claim 1, it is characterised in that described polypropylene recovery material is: waste and old polypropylene laundry machine barrel reclaimed materials, its ash is: 2 ~ 10%, and density is 0.91 ~ 0.98g/cm3, melt index is 10 ~ 40g/10min, and test condition is: 230 DEG C, 2.16Kg.
The most according to claim 1, fiber glass reinforced polypropylene reclaimed materials, it is characterised in that described polypropylene melt index is 40 ~ 100 g/10min, test condition is: 230 DEG C, 2.16Kg.
Fiber glass reinforced polypropylene reclaimed materials the most according to claim 1, it is characterised in that percent grafting >=1% of described polypropylene grafted maleic anhydride, weight average molecular weight >=30000.
Fiber glass reinforced polypropylene reclaimed materials the most according to claim 1, it is characterised in that described antioxidant includes primary antioxidant and auxiliary anti-oxidant；Described primary antioxidant selects four [β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid] pentaerythritol ester, β-(4 '-hydroxyl-3 ', 5 '-di-tert-butyl-phenyl) at least one in propanoic acid octadecyl, described auxiliary anti-oxidant is selected from three (2,4-di-tert-butyl-phenyl) phosphite ester.
The most according to claim 1, fiber glass reinforced polypropylene reclaimed materials, it is characterised in that described medium-alkali glass fiber is middle alkali long glass fibres, filament diameter is 20 ~ 30 microns.
Fiber glass reinforced polypropylene reclaimed materials the most according to claim 1, it is characterised in that described cumyl peroxide purity >=99%.
8. the preparation method of fiber glass reinforced polypropylene reclaimed materials described in any one of claim 1-7, including step: 30 ~ 75 parts of polypropylene recovery material, 10 ~ 30 parts of polypropylene, 5 ~ 15 parts of polypropylene grafted maleic anhydrides, 0.2 ~ 1 part of antioxidant and 0.5 ~ 2 part of cumyl peroxide are put in high-speed mixer and mixed 3 ~ 5 minutes, then feed the mixture in extruder, being added from glass fiber opening by 10 ~ 25 parts of medium-alkali glass fibers, extrusion pelletizing obtains the polypropylene reclaimed material of fiberglass reinforced.
The most according to claim 8, the preparation method of fiber glass reinforced polypropylene reclaimed materials, it is characterised in that described extruder is double screw extruder, the barrel temperature of extruder is 180 ~ 220
℃。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510367074.3A CN106279968A (en) | 2015-06-27 | 2015-06-27 | A kind of fiber glass reinforced polypropylene reclaimed materials and preparation method thereof |
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| CN201510367074.3A CN106279968A (en) | 2015-06-27 | 2015-06-27 | A kind of fiber glass reinforced polypropylene reclaimed materials and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114031859A (en) * | 2021-12-15 | 2022-02-11 | 广东特帅科技股份有限公司 | High-molecular modified material of high-cold-resistance UV-resistant intelligent turnover frame for storage and transportation of fresh products |
| CN115386163A (en) * | 2022-07-29 | 2022-11-25 | 广州汽车集团股份有限公司 | Polypropylene reclaimed material and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101638493A (en) * | 2009-08-27 | 2010-02-03 | 惠东美化塑胶实业有限公司 | Long glass fiber reinforced recycled polypropylene material and preparation method thereof |
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2015
- 2015-06-27 CN CN201510367074.3A patent/CN106279968A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101638493A (en) * | 2009-08-27 | 2010-02-03 | 惠东美化塑胶实业有限公司 | Long glass fiber reinforced recycled polypropylene material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114031859A (en) * | 2021-12-15 | 2022-02-11 | 广东特帅科技股份有限公司 | High-molecular modified material of high-cold-resistance UV-resistant intelligent turnover frame for storage and transportation of fresh products |
| CN115386163A (en) * | 2022-07-29 | 2022-11-25 | 广州汽车集团股份有限公司 | Polypropylene reclaimed material and preparation method and application thereof |
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Application publication date: 20170104 |