CN106700231A - Alkali-free glass fiber modified polypropylene recycling material and preparation method of alkali-free glass fiber modified polypropylene recycling material - Google Patents
Alkali-free glass fiber modified polypropylene recycling material and preparation method of alkali-free glass fiber modified polypropylene recycling material Download PDFInfo
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- CN106700231A CN106700231A CN201510778943.1A CN201510778943A CN106700231A CN 106700231 A CN106700231 A CN 106700231A CN 201510778943 A CN201510778943 A CN 201510778943A CN 106700231 A CN106700231 A CN 106700231A
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
- C08J5/043—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with glass fibres
-
- 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
- B29C2948/92504—Controlled parameter
- B29C2948/92704—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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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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- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
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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
Abstract
The invention provides an alkali-free glass fiber modified polypropylene recycling material and a preparation method of the alkali-free glass fiber modified polypropylene recycling material. The alkali-free glass fiber modified polypropylene recycling material is prepared from the following components by mixing, extruding and granulating: 30 to 75 parts of a polypropylene recycling material, 10 to 30 parts of polypropylene, 5 to 15 parts of polypropylene grafted maleic anhydride, 10 to 25 parts of alkali-free glass fiber, 0.2 to 1 part of an antioxygen and 0.5 to 2 parts of 2,5-dimethyl-2,5-bi(tert-butylperoxy)hexane. According to the alkali-free glass fiber modified polypropylene recycling material, the polypropylene grafted maleic anhydride is added into the polypropylene recycling material to introduce a strong-polarity reactive group, so that the material has high polarity and reactivity, and the compatibility of the polypropylene and the fibers is extremely improved; meanwhile, the 2,5-dimethyl-2,5-bi(tert-butylperoxy)hexane is combined so that the strength, adhesive force and dispersion performance of the material are improved; good dispersity, compatibility and excellent rigid-tough balance are obtained.
Description
Technical field
The invention belongs to field of high polymer material modification and processing technique field, and in particular to a kind of alkali-free glass fiber modified polypropene reclaimed materials and preparation method thereof.
Background technology
Polypropylene is a kind of thermoplastic, and its light specific gravity, elasticity are high, and finished product case hardness is big, the features such as also have heat resistance, chemical stability, good insulating properties in addition, is widely used in fields such as auto parts and components, household electrical appliance.But with 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 many enterprises proceed by being modified again for reclaimed materials.
Laundry machine barrel is generally COPP material and is made, its filling less, high melt index, shock resistance it is high.The washing machine of millions of is scrapped per annual meeting by China, and is being increased with average annual 20% speed.If resulting laundry machine barrel waste material can be recycled rationally, can economize on resources, environmental protection is reduced and wasted.
The polypropylene material of recovery causes its performance substantially to decay because of aging, degraded etc., and in the granulation process again of reclaimed materials, polypropylene segment can again be destroyed and degraded.Therefore in order to preferably utilize reclaimed materials, typically it can be again modified, to improve polyacrylic intensity and ageing-resistant performance.
Glass fibre to the humidification of plastics clearly, and be widely used in the enhancing of plastics it is modified in, but its requirement is not reached to the modified of polypropylene reclaimed material still.
The content of the invention
It is an object of the invention to provide a kind of alkali-free glass fiber modified polypropene reclaimed materials and preparation method thereof.
Technical scheme is as follows：
The invention provides a kind of alkali-free glass fiber modified polypropene reclaimed materials, the material is made up of the component of following weight portion：
Polypropylene reclaimed material：30 ~ 75 parts,
Polypropylene：10 ~ 30 parts,
Polypropylene grafted maleic anhydride：5 ~ 15 parts,
Alkali-free glass fiber：10 ~ 25 parts,
Antioxidant：0.2 ~ 1 part,
Double (tert-butyl peroxy base) hexanes of 2,5- dimethyl -2,5-：0.5 ~ 2 part.
The polypropylene 230 DEG C in the case of 2.16Kg melt index be 40 ~ 100
g/10min。
The polypropylene reclaimed material is waste and old polypropylene laundry machine barrel reclaimed materials, and its ash content is that 2 ~ 10%, density is 0.91 ~ 0.98g/cm3, 230 DEG C in the case of 2.16Kg melt index be 10 ~ 40g/10min.
Grafting rate >=1.5% of described polypropylene grafted maleic anhydride, weight average molecular weight >=20000.
The antioxidant is made up of primary antioxidant and auxiliary anti-oxidant mixing, and wherein primary antioxidant selects one or several in hindered phenol and sulphur ester antioxidant；Auxiliary anti-oxidant be selected from phosphite and esters antioxidant in one or several.
The primary antioxidant is preferably four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters（Antioxidant 1010）Or β-(4 '-hydroxyl -3 ', 5 '-di-tert-butyl-phenyl) propionic acid octadecyl（Antioxidant 1076）；The auxiliary anti-oxidant is preferably three (2,4- di-tert-butyl-phenyls) phosphite esters（Irgasfos 168）.
Described alkali-free glass fiber is alkali-free long glass fibres, and its filament diameter is 20 ~ 30 microns.
Described 2,5- dimethyl -2, double (tert-butyl peroxy base) hexanes of 5- are the white powder of purity 50%, 179 DEG C of decomposition temperature.
The preparation method of alkali-free glass fiber modified polypropene reclaimed materials of the invention is comprised the following steps, first by 30 ~ 75 parts of polypropylene reclaimed materials, 10 ~ 30 parts of polypropylene, 5 ~ 15 parts of polypropylene grafted maleic anhydrides, 0.2 ~ 1 part of antioxidant and 0.5 ~ 2 part 2,5- dimethyl -2, double (tert-butyl peroxy base) hexanes of 5- mix 3 ~ 5 minutes in being put into high-speed mixer together；Then feed the mixture into extruder, while 10 ~ 25 parts of alkali-free glass fibers are added from glass fiber opening, extrusion, pelletizing obtain final product modified polypropene reclaimed materials；Described extruder is double screw extruder, and its barrel temperature is 180 ~ 220 DEG C.
Beneficial effects of the present invention：
1st, the present invention adds polypropylene grafted maleic anhydride to introduce highly polar reactive group in polypropylene reclaimed material, material is had polarity and reactivity high, greatly improves the compatibility of polypropylene and fiber；
2nd, 2 added in the present invention, 5- dimethyl -2, double (tert-butyl peroxy base) hexanes of 5- and polypropylene grafted maleic anhydride collective effect reach combines closely with polymer, significantly improve intensity, cohesion, dispersive property of material etc., most making obtained composition after all has good dispersiveness, compatibility, excellent rigid-tough balance, and the making such as arrangements for automotive doors of the product that can be used to having higher requirements rigid-tough balance is marked time body.
3rd, the present invention makes it rationally be recycled using machine barrel waste material of doing washing, and can economize on resources, environmental protection, reduces and wastes.
Specific embodiment
The present invention is further illustrated with reference to embodiments.
Tensile strength of the comprehensive mechanical property of material as obtained by test, bending strength, the numerical value of impact strength and density are judged that the performance test results are shown in Table 1.
Embodiment
1
By 75 parts of polypropylene reclaimed materials, 10 parts of polypropylene, 5 parts of polypropylene grafted maleic anhydrides, 0.1 part of antioxidant 1010,0.1 part of irgasfos 168 and 0.5 part 2,5- dimethyl -2, double (tert-butyl peroxy base) hexanes of 5- mix 3 minutes in being put into high-speed mixer together, then in feeding the mixture into extruder, 10 parts of alkali-free glass fibers are added from glass fiber opening, extrusion pelletizing obtains alkali-free glass fiber modified polypropene reclaimed materials.
Each zone temperatures of barrel of double screw extruder are respectively set to：One 180 DEG C of area, 185 DEG C of 2nd area, 195 DEG C of 3rd area, 195 DEG C of 4th area, 200 DEG C of 5th area, 200 DEG C of 6th area, 205 DEG C of head.Extrusion bar is cooled to room temperature by circulating water chennel, is granulated into pelleter by after hair-dryer drying.
Embodiment
2
By 30 parts of polypropylene reclaimed materials, 30 parts of polypropylene, 15 parts of polypropylene grafted maleic anhydrides, 0.1 part of antioxidant 1010,0.1 part of antioxidant 1076 and 0.2 part of irgasfos 168 and 1.3 part 2,5- dimethyl -2, double (tert-butyl peroxy base) hexanes of 5- mix 4 minutes in being put into high-speed mixer together, then in feeding the mixture into extruder, 25 parts of alkali-free glass fibers are added from glass fiber opening, extrusion pelletizing obtains alkali-free glass fiber modified polypropene reclaimed materials.
Each zone temperatures of barrel of double screw extruder are respectively set to：One 180 DEG C of area, 185 DEG C of 2nd area, 195 DEG C of 3rd area, 195 DEG C of 4th area, 210 DEG C of 5th area, 220 DEG C of 6th area, 205 DEG C of head.Extrusion bar is cooled to room temperature by circulating water chennel, is granulated into pelleter by after hair-dryer drying.
Embodiment
3
By 52 parts of polypropylene reclaimed materials, 20 parts of polypropylene, 10 parts of polypropylene grafted maleic anhydrides, 5 parts of antioxidant 1076s and 5 parts of irgasfos 168s and 2 part 2,5- dimethyl -2, double (tert-butyl peroxy base) hexanes of 5- mix 5 minutes in being put into high-speed mixer together, then in feeding the mixture into extruder, 18 parts of alkali-free glass fibers are added from glass fiber opening, extrusion pelletizing obtains alkali-free glass fiber modified polypropene reclaimed materials.
Each zone temperatures of barrel of double screw extruder are respectively set to：One 180 DEG C of area, 185 DEG C of 2nd area, 195 DEG C of 3rd area, 195 DEG C of 4th area, 200 DEG C of 5th area, 200 DEG C of 6th area, 205 DEG C of head.Extrusion bar is cooled to room temperature by circulating water chennel, is granulated into pelleter by after hair-dryer drying.
Modified polypropene reclaimed materials prepared by above-described embodiment 1-3 is molded into batten through standard, and performance is as shown in table 1.Simultaneously will it is existing 230 DEG C in the case of 2.16Kg melt index be 40 ~ 100
The polypropylene and waste and old polypropylene of g/10min do washing machine barrel reclaimed materials as comparative example, are equally molded into batten and detect its performance, as shown in table 1 below.
Table 1
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Polypropylene | Polypropylene recovery material | Examination criteria |
| Density（g/cm3） | 0.98 | 1.1 | 1.04 | 0.9 | 1.10 | GB/T 1033 |
| Tensile strength（MPa） | 83 | 91 | 85 | 28 | 16 | GB/T 1040 |
| Bending strength（MPa） | 131 | 141 | 130 | 42 | 23 | GB/T 9341 |
| Bending modulus（MPa） | 4201 | 4401 | 4200 | 1852 | 986 | GB/T 9341 |
| Simply supported beam notch impact strength（KJ/m2） | 22 | 25 | 26 | 14 | 9 | GB/T 1043 |
| Simply supported beam unnotched impact strength（KJ/m2） | 79 | 95 | 81 | 54 | 26 | GB/T 1043 |
Be can be seen that from upper table 1, the mechanical performance such as tensile strength, bending strength of alkali-free glass fiber modified polypropene reclaimed materials prepared by the present invention is significantly better than common polypropylene reclaimed material, is also significantly better than polypropylene material.So modified polypropene reclaimed materials prepared by the present invention has excellent rigidity-toughness balanced performance, its range of application is improved.
The above-mentioned description to embodiment is to be understood that and apply the present invention for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiments, and General Principle described herein is applied in other embodiment without by performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art's announcement of the invention, does not depart from improvement that scope made and modification all should be within protection scope of the present invention.
Claims (9)
1. a kind of alkali-free glass fiber modified polypropene reclaimed materials, it is characterised in that：It is prepared from by weight by following components：
Polypropylene reclaimed material：30 ~ 75 parts,
Polypropylene：10 ~ 30 parts,
Polypropylene grafted maleic anhydride：5 ~ 15 parts,
Alkali-free glass fiber：10 ~ 25 parts,
Antioxidant：0.2 ~ 1 part,
Double (tert-butyl peroxy base) hexanes of 2,5- dimethyl -2,5-：0.5 ~ 2 part.
2. alkali-free glass fiber modified polypropene reclaimed materials according to claim 1, it is characterised in that：The polypropylene 230 DEG C in the case of 2.16Kg melt index be 40 ~ 100 g/10min.
3. alkali-free glass fiber modified polypropene reclaimed materials according to claim 1, it is characterised in that：The polypropylene reclaimed material is waste and old polypropylene laundry machine barrel reclaimed materials, and its ash content is that 2 ~ 10%, density is 0.91 ~ 0.98g/cm3, 230 DEG C in the case of 2.16Kg melt index be 10 ~ 40g/10min.
4. alkali-free glass fiber modified polypropene reclaimed materials according to claim 1, it is characterised in that：Grafting rate >=1% of the polypropylene grafted maleic anhydride, weight average molecular weight >=30000.
5. alkali-free glass fiber modified polypropene reclaimed materials according to claim 1, it is characterised in that：The antioxidant is made up of primary antioxidant and auxiliary anti-oxidant mixing, and wherein primary antioxidant selects one or several in hindered phenol and sulphur ester antioxidant；Auxiliary anti-oxidant be selected from phosphite and esters antioxidant in one or several.
6. alkali-free glass fiber modified polypropene reclaimed materials according to claim 5, it is characterised in that：The primary antioxidant is preferably four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters or β-(4 '-hydroxyl -3 ', 5 '-di-tert-butyl-phenyl) propionic acid octadecyl；The auxiliary anti-oxidant is preferably three (2,4- di-tert-butyl-phenyls) phosphite esters.
7. alkali-free glass fiber modified polypropene reclaimed materials according to claim 1, it is characterised in that：Described alkali-free glass fiber is alkali-free long glass fibres, and its filament diameter is 20 ~ 30 microns.
8. alkali-free glass fiber modified polypropene reclaimed materials according to claim 1, it is characterised in that：Described 2,5- dimethyl -2, double (tert-butyl peroxy base) hexanes of 5- are the white powder of purity 50%, and decomposition temperature is 179 DEG C.
9. the preparation method of the alkali-free glass fiber modified polypropene reclaimed materials as described in claim any one of 1-8, it is characterised in that：First by 30 ~ 75 parts of polypropylene reclaimed materials, 10 ~ 30 parts of polypropylene, 5 ~ 15 parts of polypropylene grafted maleic anhydrides, 0.2 ~ 1 part of antioxidant and 0.5 ~ 2 part 2, double (tert-butyl peroxy base) hexanes of 5- dimethyl -2,5- mix 3 ~ 5 minutes in being put into high-speed mixer together；Then feed the mixture into extruder, while 10 ~ 25 parts of alkali-free glass fibers are added from glass fiber opening, extrusion, pelletizing obtain final product modified polypropene reclaimed materials；Described extruder is double screw extruder, and its barrel temperature is 180 ~ 220 DEG C.
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| CN201510778943.1A CN106700231A (en) | 2015-11-15 | 2015-11-15 | Alkali-free glass fiber modified polypropylene recycling material and preparation method of alkali-free glass fiber modified polypropylene recycling material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112552586A (en) * | 2019-09-26 | 2021-03-26 | 合肥杰事杰新材料股份有限公司 | Glass fiber reinforced polypropylene composition and preparation method thereof |
| 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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- 2015-11-15 CN CN201510778943.1A patent/CN106700231A/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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112552586A (en) * | 2019-09-26 | 2021-03-26 | 合肥杰事杰新材料股份有限公司 | Glass fiber reinforced polypropylene composition and preparation method thereof |
| CN112552586B (en) * | 2019-09-26 | 2022-04-26 | 合肥杰事杰新材料股份有限公司 | Glass fiber reinforced polypropylene composition and preparation method thereof |
| 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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