CN102276920B - Polypropylene composite material - Google Patents
Polypropylene composite material Download PDFInfo
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- CN102276920B CN102276920B CN 201110230178 CN201110230178A CN102276920B CN 102276920 B CN102276920 B CN 102276920B CN 201110230178 CN201110230178 CN 201110230178 CN 201110230178 A CN201110230178 A CN 201110230178A CN 102276920 B CN102276920 B CN 102276920B
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Abstract
The invention relates to a polypropylene composite material, which comprises the following components in part by weight: 65 to 70 parts of polypropylene, 25 to 27 parts of glass fibers, 2 to 4 parts of compatilizer, 2 to 4 parts of flexibilizer, 0.2 to 0.4 part of coupling agent, 0.2 to 0.4 part of antioxidant, 0.2 to 0.5 part of lubricant and 0.2 to 0.4 part of nucleator. The polypropylene composite material is high in mechanical strength and creep resistance.
Description
[technical field]
The present invention relates to a kind of macromolecular material, particularly a kind of polypropylene composite material.
[background technology]
It is little that polypropylene has density, easily processing, and good proof stress bendability, good chemical proofing, advantage such as nontoxic, thus can be applied to field of food.But traditional polyacrylic physical strength is lower and creep-resistant property is relatively poor, thereby is not suitable for equipment such as making water-purifying machine.
[summary of the invention]
In view of above-mentioned condition, be necessary to provide the higher and creep-resistant property of a kind of physical strength polypropylene composite material preferably.
A kind of polypropylene composite material, count by weight, comprise 65～70 parts polypropylene, 25～27 parts glass fibre, 2～4 parts compatilizer, 2～4 parts toughner, 0.2～0.4 part coupling agent, 0.2～0.4 part oxidation inhibitor, 0.2～0.5 part lubricant and 0.2～0.4 part nucleator.
In a preferred embodiment, described polyacrylic limiting viscosity is 10.
In a preferred embodiment, described glass fibre is alkali free glass fibre.
In a preferred embodiment, described compatilizer is maleic anhydride inoculated polypropylene.
In a preferred embodiment, described toughner is POE.
In a preferred embodiment, described coupling agent is γ-An Bingjisanyiyangjiguiwan.
In a preferred embodiment, described oxidation inhibitor is by Hinered phenols antioxidant with phosphite ester kind antioxidant is composite forms.
In a preferred embodiment, described oxidation inhibitor by β (3,5-di-t-butyl-4 hydroxy phenyl) propionic acid pentaerythritol ester and three (2,4-DI-tert-butylphenol compounds) phosphorous acid ester by 1: 1 composite forming.
In a preferred embodiment, described lubricant is ethylene bis stearamide.
In a preferred embodiment, described nucleator is the glucitols nucleator.
Above-mentioned polypropylene composite material has higher physical strength, and dimensional stability has had significantly raising, excellent combination property simultaneously; By adding glass fibre, it is all good to make polypropylene meet toughness and the rigidity of material; By adding coupling agent, increased the interface binding power between glass fibre and the polypropylene matrix; By adding compatilizer, make the consistency between each component better, thereby every mechanical property of polypropylene composite material is compared and is increased significantly with the polypropylene composite material composition that does not add compatilizer; Contain toughner in the polypropylene composite material, thereby mechanical properties such as the tensile strength of polypropylene composite material, unit elongation and notched Izod impact strength are compared with the polypropylene composite material of not adding toughner and are increased significantly; The adding lubricant has improved the flowability of polypropylene composite material; Improve the creep-resistant property of polypropylene composite material by adding nucleator, improved dimensional stability.
[embodiment]
Below in conjunction with specific embodiment polypropylene composite material is described in further details.
The polypropylene composite material of one embodiment, count by weight, comprise 65～70 parts polypropylene, 25～27 parts glass fibre, 2～4 parts compatilizer, 2～4 parts toughner, 0.2～0.4 part coupling agent, 0.2～0.4 part oxidation inhibitor, 0.2～0.5 part lubricant and 0.2～0.4 part nucleator.
Polyacrylic limiting viscosity is 10.
Glass fibre is alkali free glass fibre.
Compatilizer is maleic anhydride inoculated polypropylene.
Toughner is POE.
Coupling agent is γ-An Bingjisanyiyangjiguiwan.
Oxidation inhibitor is by Hinered phenols antioxidant and phosphite ester kind antioxidant is composite forms.Preferably, oxidation inhibitor by Hinered phenols antioxidant and phosphite ester kind antioxidant by 1: 1 composite forming.Wherein, Hinered phenols antioxidant is preferably β (3,5-di-t-butyl-4 hydroxy phenyl) propionic acid pentaerythritol ester, and phosphite ester kind antioxidant is preferably three (2,4-DI-tert-butylphenol compounds) phosphorous acid ester.
Lubricant is ethylene bis stearamide.Be preferably (N, N '-ethylene bis stearamide).
Nucleator is the glucitols nucleator.Be preferably two Asias (3,4-dimethyl) benzyl Sorbitol Powders (DMDBS).
Above-mentioned polypropylene composite material has higher physical strength, better heat-resisting, and dimensional stability has had significantly raising, excellent combination property simultaneously; By adding glass fibre, it is all good to make polypropylene meet toughness and the rigidity of material; By adding coupling agent, increased the interface binding power between glass fibre and the polypropylene matrix; By adding compatilizer, make the consistency between each component better, thereby every mechanical property of polypropylene composite material is compared and is increased significantly with the polypropylene composite material composition that does not add compatilizer; Contain toughner in the polypropylene composite material, thereby mechanical properties such as the tensile strength of polypropylene composite material, unit elongation and notched Izod impact strength are compared with the polypropylene composite material of not adding toughner and are increased significantly; The adding lubricant has improved the flowability of polypropylene composite material; Improve the creep-resistant property of polypropylene composite material by adding nucleator, improved dimensional stability.
Below be the embodiment part:
Embodiment one
The set of dispense ratio of according to the form below is got the raw materials ready:
Take by weighing each component by data in the last table and mix the back extruding pelletization, namely get polypropylene composite material.In the present embodiment, telling stirrer for mixing 5 minutes with polypropylene, toughner, compatilizer and coupling agent, add again after oxidation inhibitor, lubricant and nucleator fully mix 5 minutes, adopt twin screw extruder to extrude after adding glass fibre, screw speed is 450r/min, and forcing machine is respectively distinguished temperature between 175 ℃～210 ℃.
The performance test results:
Adopt above-mentioned polypropylene to meet the cylindrical shell that material is made, test by NSF/ANSI 44-2007 standard, the cylindrical shell lower cover did not break when burstpressures was elevated to 3.0Mpa, and the cylindrical shell lower cover broke when burstpressures was elevated to 3.5Mpa; Cylindrical shell is under the 2.5Mpa 1 hour at static pressure, ne-leakage water; Cylindrical shell is under the 1.2Mpa condition in surge pressure, circulates 150,000 times, and ne-leakage water or distortion meet national water-purifying machine testing standard.
Embodiment two
The set of dispense ratio of according to the form below is got the raw materials ready:
Take by weighing each component by data in the last table and mix the back extruding pelletization, namely get polypropylene composite material.In the present embodiment, telling stirrer for mixing 5 minutes with polypropylene, toughner, compatilizer and coupling agent, add again after oxidation inhibitor, lubricant and nucleator fully mix 5 minutes, adopt twin screw extruder to extrude after adding glass fibre, screw speed is 450, and forcing machine is respectively distinguished temperature between 175 ℃～210 ℃.
The performance test results:
Adopt above-mentioned polypropylene to meet the cylindrical shell that material is made, test by NSF/ANSI 44-2007 standard, the cylindrical shell lower cover did not break when burstpressures was elevated to 3.0Mpa, and the cylindrical shell lower cover broke when burstpressures was elevated to 3.5Mpa; Cylindrical shell is under the 2.5Mpa 1 hour at static pressure, ne-leakage water; Cylindrical shell is under the 1.2Mpa condition in surge pressure, circulates 150,000 times, and ne-leakage water or distortion meet national water-purifying machine testing standard.
Embodiment three
The set of dispense ratio of according to the form below is got the raw materials ready:
Take by weighing each component by data in the last table and mix the back extruding pelletization, namely get polypropylene composite material.In the present embodiment, telling stirrer for mixing 5 minutes with polypropylene, toughner, compatilizer and coupling agent, add again after oxidation inhibitor, lubricant and nucleator fully mix 5 minutes, adopt twin screw extruder to extrude after adding glass fibre, screw speed is 450r/min, and forcing machine is respectively distinguished temperature between 175 ℃～210 ℃.
The performance test results:
Adopt above-mentioned polypropylene to meet the cylindrical shell that material is made, test by NSF/ANSI 44-2007 standard, the cylindrical shell lower cover did not break when burstpressures was elevated to 3.0Mpa, and the cylindrical shell lower cover broke when burstpressures was elevated to 3.5Mpa; Cylindrical shell is under the 2.5Mpa 1 hour at static pressure, ne-leakage water; Cylindrical shell is under the 1.2Mpa condition in surge pressure, circulates 150,000 times, and ne-leakage water or distortion meet national water-purifying machine testing standard.
Embodiment four
The set of dispense ratio of according to the form below is got the raw materials ready:
Take by weighing each component by data in the last table and mix the back extruding pelletization, namely get polypropylene composite material.In the present embodiment, telling stirrer for mixing 5 minutes with polypropylene, toughner, compatilizer and coupling agent, add again after oxidation inhibitor, lubricant and nucleator fully mix 5 minutes, adopt twin screw extruder to extrude after adding glass fibre, screw speed is 450r/min, and forcing machine is respectively distinguished temperature between 175 ℃～210 ℃.
The performance test results:
Adopt above-mentioned polypropylene to meet the cylindrical shell that material is made, test by NSF/ANSI 44-2007 standard, the cylindrical shell lower cover did not break when burstpressures was elevated to 3.0Mpa, and the cylindrical shell lower cover broke when burstpressures was elevated to 3.5Mpa; Cylindrical shell is under the 2.5Mpa 1 hour at static pressure, ne-leakage water; Cylindrical shell is under the 1.2Mpa condition in surge pressure, circulates 150,000 times, and ne-leakage water or distortion meet national water-purifying machine testing standard.
Above-mentioned polypropylene composite material has higher physical strength through after the modification, better heat-resisting, and dimensional stability has had significantly raising simultaneously, excellent combination property, the resistance to hydrostatic pressure ability is higher, can be applicable to equipment such as water-purifying machine.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (1)
1. polypropylene composite material, it is characterized in that: count by weight, composed of the following components: 65 parts polypropylene, 27 parts glass fibre, 3 parts compatilizer, 4 parts toughner, 0.4 the coupling agent of part, 0.2 the oxidation inhibitor of part, 0.4 the lubricant of part and 0.2 part nucleator, described compatilizer is maleic anhydride inoculated polypropylene, described toughner is POE, described coupling agent is γ-An Bingjisanyiyangjiguiwan, described oxidation inhibitor is compound antioxidant, described lubricant is ethylene bis stearamide, described nucleator is two Asias (3, the 4-dimethyl) benzyl Sorbitol Powder, described polyacrylic limiting viscosity is 10, the diameter of described glass fibre is 13 microns, take by weighing each component according to above-mentioned data, with polypropylene, toughner, compatilizer and coupling agent mixed in homogenizer 5 minutes, added oxidation inhibitor again, after lubricant and nucleator fully mix 5 minutes, adopt twin screw extruder to extrude behind the adding glass fibre, screw speed is 450, and forcing machine is respectively distinguished temperature and obtain polypropylene composite material between 175 ℃～210 ℃.
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| CN 201110230178 CN102276920B (en) | 2011-08-11 | 2011-08-11 | Polypropylene composite material |
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| CN 201110230178 CN102276920B (en) | 2011-08-11 | 2011-08-11 | Polypropylene composite material |
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| CN102276920B true CN102276920B (en) | 2013-10-09 |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103849067A (en) * | 2012-12-07 | 2014-06-11 | 上海杰事杰新材料(集团)股份有限公司 | Enhanced antistatic polypropylene composite material and preparation method thereof |
| CN103589058A (en) * | 2013-10-24 | 2014-02-19 | 合肥会通新材料有限公司 | Reinforced polypropylene composite material and preparation method thereof |
| CN103694613B (en) * | 2013-12-19 | 2016-08-17 | 上海日之升新技术发展有限公司 | A kind of low floating fine fiberglass reinforced toughened polypropylene composite and preparation method thereof |
| CN104341680A (en) * | 2014-10-28 | 2015-02-11 | 天津金发新材料有限公司 | Creep-resistant long glass fiber reinforced polypropylene material and preparation method and application thereof |
| CN104945741A (en) * | 2015-06-27 | 2015-09-30 | 上海俊尔新材料有限公司 | High-impact-resistance low-temperature-resistant glass-fiber-reinforced polypropylene composite material and preparation method thereof |
| CN105086064A (en) * | 2015-08-12 | 2015-11-25 | 杨栩楷 | EPM composite and preparation method thereof |
| CN107759898B (en) * | 2016-08-18 | 2020-09-25 | 江苏金发科技新材料有限公司 | High-shading-degree polypropylene composite material and preparation method thereof |
| CN106519435A (en) * | 2016-11-04 | 2017-03-22 | 佛山市东丽塑胶有限公司 | Glass fiber modified PP/AS alloy material |
| CN106633410A (en) * | 2017-01-11 | 2017-05-10 | 西华大学 | High-toughness and high-stability polypropylene composite material and preparation method thereof |
| CN106810767A (en) * | 2017-01-22 | 2017-06-09 | 合肥华凌股份有限公司 | Compressor bottom board, refrigerator, composite and preparation method thereof |
| CN108623901A (en) * | 2017-03-26 | 2018-10-09 | 合肥杰事杰新材料股份有限公司 | A kind of high strength glass fiber reinforced polypropylene compound material and preparation method thereof |
| CN108003465A (en) * | 2017-12-18 | 2018-05-08 | 苏州禾昌聚合材料股份有限公司 | A kind of antibacterial modified Long Glass Fiber Reinforced PP Composite of washing machine drum |
| CN109735009A (en) * | 2019-01-23 | 2019-05-10 | 江苏博云塑业股份有限公司 | A kind of thermoplas tic resin composite and preparation method thereof |
| CN110591223B (en) * | 2019-08-13 | 2022-01-21 | 金发科技股份有限公司 | High-filling thermoplastic resin composite material and preparation method thereof |
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| CN101381492B (en) * | 2007-09-06 | 2011-07-06 | 比亚迪股份有限公司 | Polypropylene composite material and preparation method thereof |
| CN101314659A (en) * | 2008-06-30 | 2008-12-03 | 上海日之升新技术发展有限公司 | Heat-proof type high-gloss reinforced polypropylene and preparation method thereof |
| CN101338051B (en) * | 2008-08-08 | 2010-12-15 | 苏州工业园区和昌电器有限公司 | Long glass fiber reinforced polypropylene material and preparation thereof |
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