CN103421245A - Enhanced halogen-free flame-retardant PP/PPO alloy and preparation method thereof - Google Patents
Enhanced halogen-free flame-retardant PP/PPO alloy and preparation method thereof Download PDFInfo
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- CN103421245A CN103421245A CN2013103707170A CN201310370717A CN103421245A CN 103421245 A CN103421245 A CN 103421245A CN 2013103707170 A CN2013103707170 A CN 2013103707170A CN 201310370717 A CN201310370717 A CN 201310370717A CN 103421245 A CN103421245 A CN 103421245A
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Abstract
The invention relates to enhanced halogen-free flame-retardant PP/PPO alloy and a preparation method thereof, and belongs to the technical field of high molecular material. The enhanced halogen-free flame-retardant PP/PPO alloy comprises, by weight, 70-90 parts of PP, 50-80 parts of PPO, 10-18 parts of magnesium borate crystal whiskers, 8-12 parts of ammonium polyphosphate, 6-10 parts of melamine phosphate, 5-8 parts of magnesium hydrate crystal whiskers, 5-20 parts of compatilizer, 1-2 parts of antioxidants and 0.5-1.4 parts of lubricating agents. The enhanced halogen-free flame-retardant PP/PPO alloy has good mechanical properties and dimensional stability and is easily processed to be formed. Meanwhile, combined flame retarding of an inorganic flame retardant and an organic phosphorus-nitrogen flame retardant is adopted, so that the enhanced halogen-free flame-retardant PP/PPO alloy has good flame retardant performance and is widely applied to the fields of electronic and electric products, automobiles, aviation, petroleum, the chemical industry, precision-machinery components and the like.
Description
Technical field
The invention belongs to technical field of polymer materials, be specifically related to a kind of enhancement type halogen-free flameproof PP/PPO Alloy And Preparation Method.
Background technology
Polyphenylene oxide, be called for short PPO, is one of the world's five large general engineering plastic.PPO is by 2, the thermoplastic resin that the disubstituted phenol of 6-forms through oxidative coupling polymerization, there is good over-all properties, maximum characteristics are under long-term load, there is good dimensional stability and outstanding electrical insulating property, the use temperature scope is wide, can be in-127～121 ℃ of scopes life-time service.Simultaneously, polyphenylene oxide has good water-fast and anti-steam performance, and the tensile strength of its goods, shock strength and creep resistance are good.In addition, it also has wear resistance and electrical property preferably, is widely used in the fields such as medical treatment, electronics, machinery.But its mobility is poor, and not anti-solvent, therefore how making up these shortcomings is one of study hotspots of current vast research and development scholar.
Polypropylene, be called for short PP, is a kind of thermoplastic resin made by propylene polymerization.It is nontoxic, tasteless, and density is little, and intensity, rigidity, hardness and thermotolerance all are better than polyethylene, can be about 100 ℃ uses; Simultaneously, it has good electrical property and high-frequency insulation, is not subject to humidity effect, but during low temperature, become fragile, not wear-resisting, easily aging, thereby can improve the shortcoming of the two by preparation PP/PPO alloy, and the comprehensive advantage of the two, reduce material cost, enlarge its range of application.
PP/PPO alloy major part does not in the market have anti-flaming function, and the dimensional stability of some enhancement type PP/PPO alloys is inadequate.For example, the PP/PPO alloy that some adopt glass to strengthen, as Chinese patent 201110377403.4 and 201210509593.5, although can strengthen the dimensional stability of PP/PPO alloy, but, during for the production of precision component, its dimensional stability remains further to be strengthened, and the PP/PPO alloy mass that glass strengthens is heavier, greatly limited its use range, therefore how overcoming the deficiencies in the prior art is problems that current technical field of macromolecules is needed solution badly.
Summary of the invention
The objective of the invention is in order to solve the deficiencies in the prior art, a kind of enhancement type halogen-free flameproof PP/PPO Alloy And Preparation Method is provided, the method is simple, and the PP/PPO alloy mechanical performance made is good, good flame retardation effect.
The technical solution used in the present invention is as follows:
A kind of enhancement type halogen-free flameproof PP/PPO alloy, comprise 70 ~ 90 parts of the following raw material according to the parts by weight meter: PP, 50 ~ 80 parts of PPO, 10 ~ 18 parts of magnesium borate crystal whiskers, 8 ~ 12 parts of ammonium polyphosphates, 6 ~ 10 parts of melamine phosphates, 5 ~ 8 parts of magnesium hydroxide crystal whiskers, 5 ~ 20 parts of compatilizers, 1 ~ 2 part, oxidation inhibitor, 0.5 ~ 1.4 part of lubricant.
Further preferably described compatilizer is maleic anhydride graft SEBS.
Further preferably described oxidation inhibitor is the mass ratio antioxidant 1076 that is 1.5:1-3:1 and the mixture of oxidation inhibitor DLTDP.
Further preferably described lubricant is polyethylene wax.
The present invention also provides a kind of preparation method of enhancement type halogen-free flameproof PP/PPO alloy, the method is that PP, PPO, magnesium borate crystal whisker, ammonium polyphosphate, melamine phosphate, magnesium hydroxide crystal whisker, compatilizer, oxidation inhibitor and lubricant are joined in high-speed mixer, mix by the twin screw extruder extruding pelletization type that is enhanced halogen-free flameproof PP/PPO alloy.
Add magnesium borate crystal whisker in raw material and strengthen the PP/PPO alloy, this is because magnesium borate crystal whisker has lightweight, high strength, high elastic coefficient, high rigidity, the excellent properties such as high temperature resistant, corrosion-resistant and good physical strength and electrical insulating property, be a kind of desirable Material reinforcement body, can increase substantially intensity, rigidity, shock resistance and the flame retardant properties of matrix.With glass, compare, the plastics of enhancing have lower density, cheap price and the advantage such as can recycle.The moulded parts of magnesium borate crystal whisker has higher precision, dimensional stability and surface smoothness, is applicable to prepare the fire-retardant parts of parts, light-high-strength and the electronic apparatus parts of different shape complexity.
Compared with prior art, its beneficial effect is in the present invention:(1) product of the present invention has good mechanical property and dimensional stability, easily machine-shaping; (2) adopt inorganic combustion inhibitor---magnesium hydroxide crystal whisker and organophosphorus-nitrogenated flame retardant composite flame-proof, make product of the present invention there is good flame retardant properties; (3) add magnesium borate crystal whisker in raw material, not only can the PP/PPO alloy, can also put forward heavy alloyed flame retardant properties, the PP/PPO alloy mass of enhancing is light, has enlarged the use range of product of the present invention; (4) preparation method of the present invention is simple, is easy to promote.
Specific embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
A kind of enhancement type halogen-free flameproof PP/PPO alloy, comprise 70 parts of the following raw material according to the parts by weight meter: PP, 50 parts of PPO, 10 parts of magnesium borate crystal whiskers, 8 parts of ammonium polyphosphates, 6 parts of melamine phosphates, 5 parts of magnesium hydroxide crystal whiskers, 5 parts of maleic anhydride graft SEBS, 0.75 part of antioxidant 1076,0.25 part of oxidation inhibitor DLTDP, 0.5 part of polyethylene wax.
The preparation method of the present embodiment enhancement type halogen-free flameproof PP/PPO alloy, the method is that PP, PPO, magnesium borate crystal whisker, ammonium polyphosphate, melamine phosphate, magnesium hydroxide crystal whisker, maleic anhydride graft SEB antioxidant 1076, oxidation inhibitor DLTDP and polyethylene wax are joined in high-speed mixer, mix by the twin screw extruder extruding pelletization, obtain the present embodiment enhancement type halogen-free flameproof PP/PPO alloy.
Embodiment 2
A kind of enhancement type halogen-free flameproof PP/PPO alloy, comprise 90 parts of the following raw material according to the parts by weight meter: PP, 80 parts of PPO, 18 parts of magnesium borate crystal whiskers, 12 parts of ammonium polyphosphates, 10 parts of melamine phosphates, 8 parts of magnesium hydroxide crystal whiskers, 20 parts of maleic anhydride graft SEBS, 1.2 parts of antioxidant 1076s, 0.8 part of oxidation inhibitor DLTDP, 0.5 ~ 1.4 part of polyethylene wax.
The preparation method of the enhancement type halogen-free flameproof PP/PPO alloy of the present embodiment is identical with embodiment 1.
Embodiment 3
A kind of enhancement type halogen-free flameproof PP/PPO alloy, comprise 80 parts of the following raw material according to the parts by weight meter: PP, 65 parts of PPO, 15 parts of magnesium borate crystal whiskers, 10 parts of ammonium polyphosphates, 8 parts of melamine phosphates, 7 parts of magnesium hydroxide crystal whiskers, 12 parts of maleic anhydride graft SEBS, 1 part of antioxidant 1076,0.5 part of oxidation inhibitor DLTDP, 1 part of polyethylene wax.
The preparation method of the enhancement type halogen-free flameproof PP/PPO alloy of the present embodiment is identical with embodiment 1.
Performance test
Performance to the embodiment of the present invention 1 ~ 3 product is tested, and test result is in Table 1.
The performance test data of table 1 embodiment 1 ~ 3 product
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Cantilever beam impact strength (jagged), kJ/m 2 | 9.5 | 9.4 | 9.8 |
| Flexural strength, MPa | 145 | 150 | 152 |
| Modulus in flexure, GPa | 5.6 | 6.1 | 6.0 |
| Tensile strength, MPa | 95 | 93 | 98 |
| Elongation at break, % | 7.5 | 7.7 | 7.9 |
| HDT（1.82 MPa） | 135 | 138 | 140 |
| Flame retardant resistance | V0 | V0 | V0 |
Claims (5)
1. an enhancement type halogen-free flameproof PP/PPO alloy, is characterized in that comprising 70 ~ 90 parts of the following raw material according to the parts by weight meter: PP, 50 ~ 80 parts of PPO, 10 ~ 18 parts of magnesium borate crystal whiskers, 8 ~ 12 parts of ammonium polyphosphates, 6 ~ 10 parts of melamine phosphates, 5 ~ 8 parts of magnesium hydroxide crystal whiskers, 5 ~ 20 parts of compatilizers, 1 ~ 2 part, oxidation inhibitor, 0.5 ~ 1.4 part of lubricant.
2. enhancement type halogen-free flameproof PP/PPO alloy according to claim 1, is characterized in that described compatilizer is maleic anhydride graft SEBS.
3. enhancement type halogen-free flameproof PP/PPO alloy according to claim 1, is characterized in that described oxidation inhibitor is the mass ratio antioxidant 1076 that is 1.5:1-3:1 and the mixture of oxidation inhibitor DLTDP.
4. enhancement type halogen-free flameproof PP/PPO alloy according to claim 1, is characterized in that described lubricant is polyethylene wax.
5. the preparation method of enhancement type halogen-free flameproof PP/PPO alloy claimed in claim 1, it is characterized in that PP, PPO, magnesium borate crystal whisker, ammonium polyphosphate, melamine phosphate, magnesium hydroxide crystal whisker, compatilizer, oxidation inhibitor and lubricant are joined in high-speed mixer, mix by the twin screw extruder extruding pelletization type that is enhanced halogen-free flameproof PP/PPO alloy.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104059298A (en) * | 2014-05-09 | 2014-09-24 | 杭州捷尔思阻燃化工有限公司 | Lithium battery electrolyte-resistant halogen-free flame-retardant polypropylene reinforced composite material and preparation method thereof |
| CN109280266A (en) * | 2018-09-05 | 2019-01-29 | 镇江朝阳机电科技有限公司 | A kind of compound flame retardant plastics wire casing and manufacturing process |
| CN112646307A (en) * | 2020-12-23 | 2021-04-13 | 上海普利特复合材料股份有限公司 | Low-density, high-rigidity, high-toughness and high-flame-retardance polypropylene composite material for automobile hard-plastic instrument board and preparation method thereof |
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| CA2284770A1 (en) * | 1997-04-07 | 1998-10-15 | E.I. Du Pont De Nemours And Company | Flame retardant resin compositions |
| CN101358028A (en) * | 2008-09-02 | 2009-02-04 | 宁波一舟塑胶有限公司 | Halogen-free flame-retardant thermoplastic elastomer electrical cable material using polyphenylene ether as base material and preparation method thereof |
| US20110288210A1 (en) * | 2010-05-21 | 2011-11-24 | Pinnavaia Thomas J | Mesoporous Silicate Fire Retardant Compositions |
| CN102040773A (en) * | 2010-12-07 | 2011-05-04 | 惠州市沃特新材料有限公司 | Plastic alloy as well as preparation method and application thereof |
| CN102850816A (en) * | 2011-06-27 | 2013-01-02 | 上海杰事杰新材料(集团)股份有限公司 | Thermoplastic resin composite material and preparation method and application thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104059298A (en) * | 2014-05-09 | 2014-09-24 | 杭州捷尔思阻燃化工有限公司 | Lithium battery electrolyte-resistant halogen-free flame-retardant polypropylene reinforced composite material and preparation method thereof |
| CN109280266A (en) * | 2018-09-05 | 2019-01-29 | 镇江朝阳机电科技有限公司 | A kind of compound flame retardant plastics wire casing and manufacturing process |
| CN112646307A (en) * | 2020-12-23 | 2021-04-13 | 上海普利特复合材料股份有限公司 | Low-density, high-rigidity, high-toughness and high-flame-retardance polypropylene composite material for automobile hard-plastic instrument board and preparation method thereof |
| CN112646307B (en) * | 2020-12-23 | 2024-02-20 | 上海普利特复合材料股份有限公司 | Low-density, high-rigidity and high-toughness and high-flame-retardance polypropylene composite material for automobile hard plastic instrument board and preparation method thereof |
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Application publication date: 20131204 |