CN105647002A - C-glass fiber reinforced polypropylene reclaimed material and preparation method therefor - Google Patents
C-glass fiber reinforced polypropylene reclaimed material and preparation method therefor Download PDFInfo
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- CN105647002A CN105647002A CN201410627599.1A CN201410627599A CN105647002A CN 105647002 A CN105647002 A CN 105647002A CN 201410627599 A CN201410627599 A CN 201410627599A CN 105647002 A CN105647002 A CN 105647002A
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Abstract
The invention belongs to the field of modifying technologies and processing technologies of macromolecular materials and discloses a C-glass fiber reinforced polypropylene reclaimed material and a preparation method therefor. The C-glass fiber reinforced polypropylene reclaimed material disclosed by the invention is prepared from the following ingredients in parts by weight: 30-75 parts of polypropylene A, 10-30 parts of polypropylene B, 5-15 parts of toughening agent, 10-25 parts of C-glass fibers, 0.2-1 part of antioxidant and 0.5-2 parts of black masterbatch. The method comprises the following steps of mixing the polypropylene A, the polypropylene B, the toughening agent, the antioxidant and the black masterbatch in a high-speed mixer for 3 to 5 minutes, then, adding the mixture into an extruder, adding the C-glass fibers into the extruder from a glass fiber port, and carrying out extruded pelleting, thereby obtaining the required C-glass fiber reinforced polypropylene reclaimed material. The C-glass fiber reinforced polypropylene reclaimed material prepared by the method has excellent rigidity and toughness balance.
Description
Technical field
The invention belongs to field of high polymer material modification and processing technique field, it is specifically related to a kind of medium-alkali glass fiber Reinforced Polypropylene reclaimed materials, preparation method.
Background technology
Polypropylene is a kind of thermoplastics, light specific gravity, and finished surface hardness is big, elasticity height, and thermotolerance, chemical stability, insulativity are good, are widely used in the field such as automobile component, household electrical appliance. But the development along with industry, polyacrylic discarded amount increases year by year, and in recent years, the recovery problem of waste or used plastics more and more obtains everybody concern, and a lot of enterprise starts to carry out the modification again of reclaimed materials.
Polypropylene washing machine cylinder is generally Co-polypropylene material, fill less, melting index height, shock resistance height. The washing machine of several hundred ten thousand is scrapped in the every annual meeting of China, and is increasing with average annual 20% speed. If consequent washing machine cylinder waste material can rationally be recycled, economizing on resources, protection of the environment, cuts the waste.
Reclaiming polypropylene material because of aging, degraded, its performance obviously decays, in the granulation process again of reclaimed materials, polypropylene segment can again destroy and degrade, therefore in order to better utilised reclaimed materials, modification again can generally be carried out, it is to increase polyacrylic intensity and ageing-resistant performance.
Glass fibre to the enhancement 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 Reinforced Polypropylene material is used widely at present.
The alkali metal content of medium-alkali glass fiber is higher than alkali-free glass fiber, its physical strength is not as alkali-free glass fiber, but source is abundant, price is cheap, alkali-free glass fiber Reinforced Polypropylene material is substituted, it is possible to reduce costs with medium-alkali glass fiber modified polypropylene material, and the use of polypropylene reclaimed materials, material cost can be reduced further, bring profit to enterprise.
Summary of the invention
It is an object of the invention to provide a kind of medium-alkali glass fiber Reinforced Polypropylene reclaimed materials.
It is a further object of the present invention to provide the preparation method of a kind of above-mentioned polypropylene reclaimed materials.
The technical scheme of the present invention is as follows:
The present invention provides a kind of medium-alkali glass fiber Reinforced Polypropylene reclaimed materials, and this material is made up of the component of following weight part:
Polypropylene A:30 ~ 75 part
Polypropylene B:10 ~ 30 part
Toughner: 5 ~ 15 parts
Medium-alkali glass fiber: 10 ~ 25 parts
Oxidation inhibitor: 0.2 ~ 1 part
Black masterbatch: 0.5 ~ 2 part.
Described polypropylene A is: waste and old polypropylene washing machine cylinder reclaimed materials, and its ash content is: 2 ~ 10%, and density is 0.91 ~ 0.98g/cm3. Melting index is 10 ~ 40g/10min, and test condition is: 230 DEG C, 2.16Kg.
Described polypropylene B is selected from melting index, and to be 40 ~ 100g/10min(test condition be: 230 DEG C, 2.16Kg) between homopolymerization or Co-polypropylene.
Described toughner is elastomerics, comprises at least one in ethylene-octene copolymer (POE), ethylene-butene copolymer and terpolymer EP rubber (EPDM).
Described oxidation inhibitor comprises primary antioxidant and auxiliary anti-oxidant. Described primary antioxidant can select one or several in hindered phenol and sulphur ester antioxidant, preferred antioxidant 1010, chemical name: four [��-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, and antioxidant 1076, chemical name: ��-(4 '-hydroxyl-3 ', 5 '-di-tert-butyl-phenyl) propionic acid octadecyl. Described auxiliary anti-oxidant be selected from phosphite and ester kind antioxidant one or several, it is preferable that irgasfos 168, chemical name: three (2,4-di-tert-butyl-phenyl) phosphorous acid ester.
Described glass fibre is middle alkali long glass fibres, and filament diameter is 20 ~ 30 microns.
Described black masterbatch is commercially available common black masterbatch.
The preparation method of the polypropylene reclaimed materials of the present invention comprises the following steps, 30 ~ 75 parts of polypropylene A, 10 ~ 30 parts of polypropylene B, 5 ~ 15 parts of toughner, 0.2 ~ 1 part of oxidation inhibitor and 0.5 ~ 2 part of black masterbatch are put into high-speed mixer mixing 3 ~ 5 minutes, then mixture is added in forcing machine, 10 ~ 25 parts of medium-alkali glass fibers are added from glass fiber opening, extrudes pelletizing and obtain required medium-alkali glass fiber Reinforced Polypropylene reclaimed materials.
Described forcing machine is twin screw extruder, and the barrel temperature of forcing machine is 180 ~ 220 DEG C.
The useful effect of the present invention:
1, the present invention is compared with the existing technology, and tool has the following advantages and useful effect: the polypropylene material of the present invention, and price is cheap, and has excellent rigid-tough balance, and the making of the product that can be used for being had higher requirements by rigid-tough balance such as arrangements for automotive doors is marked time body.
2, the use of polypropylene reclaimed materials of the present invention, it is possible to reduce material cost further.
3, the present invention utilizes washing machine cylinder waste material so that it is rationally being recycled, can economize on resources, protection of the environment, cuts the waste.
Embodiment
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 tensile strength of test gained, flexural strength, shock strength and density, and the performance test results is in table 1.
Embodiment 1
75 parts of polypropylene A, 10 parts of polypropylene B, 5 parts of toughner, 0.2 part of oxidation inhibitor and 0.5 part of black masterbatch are put into high-speed mixer mixing 3 minutes, then mixture is added in forcing machine, 10 parts of medium-alkali glass fibers are added from glass fiber opening, extrudes pelletizing and obtain required medium-alkali glass fiber Reinforced Polypropylene reclaimed materials.
Polypropylene A is waste and old polypropylene washing machine cylinder reclaimed materials; Polypropylene B is the Co-polypropylene materials A X668 of Sumitomo chemistry; Toughner is the POE8150 of DOW Chemical; Primary antioxidant is 1010, and auxiliary anti-oxidant is 168, and compound proportion is 1:1; Black masterbatch is Cabot black masterbatch PE2772; The manufacturer of medium-alkali glass fiber is Chaohu city Fu Fang glass fibre company limited.
The each zone temperatures of the barrel of twin screw extruder is set to respectively: 180 DEG C, a district, 185 DEG C, 2nd district, 195 DEG C, 3rd district, 195 DEG C, 4th district, 200 DEG C, 5th district, 200 DEG C, 6th district, head 205 DEG C. Extrude bar and it is cooled to room temperature by circulating water channel, after blower drying, enter dicing machine granulation.
Embodiment 2
30 parts of polypropylene A, 30 parts of polypropylene B, 15 parts of toughner, 0.4 part of oxidation inhibitor and 1.3 parts of black masterbatch are put into high-speed mixer mixing 4 minutes, then mixture is added in forcing machine, 25 parts of medium-alkali glass fibers are added from glass fiber opening, extrudes pelletizing and obtain required medium-alkali glass fiber Reinforced Polypropylene reclaimed materials.
Polypropylene A is waste and old polypropylene washing machine cylinder reclaimed materials, and polypropylene B is the homo-polypropylene material S2040 of Shanghai Sai Ke petrochemical complex limited liability company. Toughner is POE8200 and the terpolymer EP rubber of DOW Chemical. Primary antioxidant is 1076, and auxiliary anti-oxidant is 168, and compound proportion is 1:1. Black masterbatch is Cabot PE2772. The manufacturer of medium-alkali glass fiber is Chaohu city Fu Fang glass fibre company limited.
The each zone temperatures of the barrel of twin screw extruder is set to respectively: 180 DEG C, a district, 185 DEG C, 2nd district, 195 DEG C, 3rd district, 195 DEG C, 4th district, 210 DEG C, 5th district, 220 DEG C, 6th district, head 205 DEG C. Extrude bar and it is cooled to room temperature by circulating water channel, after blower drying, enter dicing machine granulation.
Embodiment 3
52 parts of polypropylene A, 20 parts of polypropylene B, 10 parts of toughner, 1 part of oxidation inhibitor and 2 parts of black masterbatch are put into high-speed mixer mixing 5 minutes, then mixture is added in forcing machine, 18 parts of medium-alkali glass fibers are added from glass fiber opening, extrudes pelletizing and obtain required medium-alkali glass fiber Reinforced Polypropylene reclaimed materials.
Polypropylene A is waste and old polypropylene washing machine cylinder reclaimed materials, and polypropylene B is the Co-polypropylene material PPK7760 of Beijing yanshan petrochemical company limited. Toughner is ethylene-butene copolymer. Primary antioxidant is 1010, and auxiliary anti-oxidant is 168, and compound proportion is 1:1. Black masterbatch is Cabot PE2014. The manufacturer of medium-alkali glass fiber is Chaohu city Fu Fang glass fibre company limited.
The each zone temperatures of the barrel of twin screw extruder is set to respectively: 180 DEG C, a district, 185 DEG C, 2nd district, 195 DEG C, 3rd district, 195 DEG C, 4th district, 200 DEG C, 5th district, 200 DEG C, 6th district, head 205 DEG C. Extrude bar and it is cooled to room temperature by circulating water channel, after blower drying, enter dicing machine granulation.
The performance of the material that above-described embodiment is produced is as shown in table 1. . The material that above-described embodiment is produced has excellent rigid-tough balance energy.
Table 1
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Examination criteria |
| Density (g/cm3) | 0.97 | 1.08 | 1.03 | GB/T 1033 |
| Tensile strength (MPa) | 24 | 22 | 22 | GB/T 1040 |
| Flexural strength (MPa) | 31.7 | 28.2 | 30.9 | GB/T 9341 |
| Modulus in flexure (MPa) | 1659 | 2006 | 2011 | GB/T 9341 |
| Simply supported beam notched Izod impact strength (KJ/m2) | 8 | 12 | 9 | GB/T 1043 |
| Simply supported beam unnotched impact strength (KJ/m2) | 56 | 57 | 59 | GB/T 1043 |
The above-mentioned description to embodiment can understand and apply the invention for ease of those skilled in the art. These embodiments obviously easily can be made various amendment by person skilled in the art, and General Principle described herein are applied in other embodiments and need not pass through creative work. Therefore, the invention is not restricted to embodiment here, those skilled in the art, according to the announcement of the present invention, do not depart from improvement that category of the present invention makes and amendment all should within protection scope of the present invention.
Claims (9)
1. a medium-alkali glass fiber Reinforced Polypropylene reclaimed materials, it is characterised in that: this polypropylene material is made up of the component of following weight part,
Polypropylene A:30 ~ 75 part
Polypropylene B:10 ~ 30 part
Toughner: 5 ~ 15 parts
Medium-alkali glass fiber: 10 ~ 25 parts
Oxidation inhibitor: 0.2 ~ 1 part
Black masterbatch: 0.5 ~ 2 part.
2. medium-alkali glass fiber Reinforced Polypropylene reclaimed materials according to claim 1, it is characterised in that: described polypropylene A is: waste and old polypropylene washing machine cylinder reclaimed materials, and its ash content is 2 ~ 10%, and density is 0.91 ~ 0.98g/cm3, 230 DEG C, 2.16Kg when melting index be 10 ~ 40g/10min.
3. medium-alkali glass fiber Reinforced Polypropylene reclaimed materials according to claim 1, it is characterised in that: described polypropylene B be selected from 230 DEG C, 2.16Kg when melting index be the homopolymerization between 40 ~ 100g/10min or Co-polypropylene.
4. medium-alkali glass fiber Reinforced Polypropylene reclaimed materials according to claim 1, it is characterised in that: described toughner is elastomerics, comprises at least one in ethylene-octene copolymer, ethylene-butene copolymer and terpolymer EP rubber.
5. medium-alkali glass fiber Reinforced Polypropylene reclaimed materials according to claim 1, it is characterised in that: described oxidation inhibitor comprises primary antioxidant and auxiliary anti-oxidant; Described primary antioxidant selects at least one in Hinered phenols and sulphur ester antioxidant; At least one that described auxiliary anti-oxidant is selected from phosphorous acid salt and ester kind antioxidant.
6. medium-alkali glass fiber Reinforced Polypropylene reclaimed materials according to claim 5, it is characterized in that: described primary antioxidant is oxidation inhibitor four [��-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester or oxidation inhibitor ��-(4 '-hydroxyl-3 ', 5 '-di-tert-butyl-phenyl) propionic acid octadecyl; Described auxiliary anti-oxidant is oxidation inhibitor three (2,4-di-tert-butyl-phenyl) phosphorous acid ester.
7. medium-alkali glass fiber Reinforced Polypropylene reclaimed materials according to claim 1, it is characterised in that: described glass fibre is middle alkali long glass fibres, and filament diameter is 20 ~ 30 microns.
8. the preparation method of the arbitrary described medium-alkali glass fiber Reinforced Polypropylene reclaimed materials of claim 1 to 7, it is characterized in that: the method comprises the following steps: 30 ~ 75 parts of polypropylene A, 10 ~ 30 parts of polypropylene B, 5 ~ 15 parts of toughner, 0.2 ~ 1 part of oxidation inhibitor and 0.5 ~ 2 part of black masterbatch are put into high-speed mixer mixing 3 ~ 5 minutes, then mixture is added in forcing machine, 10 ~ 25 parts of medium-alkali glass fibers are added from glass fiber opening, extrudes pelletizing and obtain required medium-alkali glass fiber Reinforced Polypropylene reclaimed materials.
9. preparation method according to claim 8, it is characterised in that: described forcing machine is twin screw extruder, and the barrel temperature of forcing machine is 180 ~ 220 DEG C.
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| CN201410627599.1A CN105647002A (en) | 2014-11-10 | 2014-11-10 | C-glass fiber reinforced polypropylene reclaimed material and preparation method therefor |
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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 |
| CN113845727A (en) * | 2021-10-25 | 2021-12-28 | 成都金发科技新材料有限公司 | High-rigidity high-thermal-aging-resistance polypropylene composite material and preparation method thereof |
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| CN101864110A (en) * | 2010-06-08 | 2010-10-20 | 常州塑金高分子科技有限公司 | Automobile special material produced by utilizing recovered plastic |
| CN103254500A (en) * | 2013-04-01 | 2013-08-21 | 浙江俊尔新材料股份有限公司 | Modified composite material with recovered polypropylene as matrix and preparation method thereof |
| CN103937097A (en) * | 2014-04-09 | 2014-07-23 | 六安市洁美再生物资回收有限公司 | Modified PP (Polypropylene) material and application thereof |
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Patent Citations (4)
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| CN1858101A (en) * | 2006-04-26 | 2006-11-08 | 南京聚隆化学实业有限责任公司 | Inorganic nano particle modified high performance recovery plastic and its preparing process |
| CN101864110A (en) * | 2010-06-08 | 2010-10-20 | 常州塑金高分子科技有限公司 | Automobile special material produced by utilizing recovered plastic |
| CN103254500A (en) * | 2013-04-01 | 2013-08-21 | 浙江俊尔新材料股份有限公司 | Modified composite material with recovered polypropylene as matrix and preparation method thereof |
| CN103937097A (en) * | 2014-04-09 | 2014-07-23 | 六安市洁美再生物资回收有限公司 | Modified PP (Polypropylene) material and application thereof |
Cited By (4)
| 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 |
| CN113845727A (en) * | 2021-10-25 | 2021-12-28 | 成都金发科技新材料有限公司 | High-rigidity high-thermal-aging-resistance polypropylene composite material and preparation method thereof |
| CN113845727B (en) * | 2021-10-25 | 2023-12-12 | 成都金发科技新材料有限公司 | Polypropylene composite material with high rigidity and high thermal aging resistance and preparation method thereof |
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