CN103131085B - A kind of high tenacity environment-friendly flame-proof polypropylene material and preparation method thereof and application - Google Patents
A kind of high tenacity environment-friendly flame-proof polypropylene material and preparation method thereof and application Download PDFInfo
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- CN103131085B CN103131085B CN201110394591.1A CN201110394591A CN103131085B CN 103131085 B CN103131085 B CN 103131085B CN 201110394591 A CN201110394591 A CN 201110394591A CN 103131085 B CN103131085 B CN 103131085B
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Abstract
The invention discloses a kind of high tenacity environment-friendly flame-proof polypropylene material, be made up of the component comprising following weight part: polypropylene 40-59 part, talcum powder 1-20 part, toughner 5-15 part, fire retardant 18-25 part, fire retarding synergist 6-10 part, lubricant 0.3-0.6 part and oxidation inhibitor 0.1-0.4 part.The invention also discloses the preparation method of this high tenacity environment-friendly flame-proof polypropylene material.High tenacity environment-friendly flame-proof polypropylene material of the present invention has higher shock strength and good flame retardant resistance, shiny appearance and separating out without fire retardant; High tenacity environment-friendly flame-proof polypropylene material of the present invention has good heat seal performance, and can effectively prevent sulfuric acid from leaking, its performance meets the performance requriements of lead-acid storage battery outer case material, for fire-retardant lead-acid storage battery outer case provides a kind of novel material.
Description
Technical field
The present invention relates to field of high polymer material modification, particularly relate to a kind of high tenacity environment-friendly flame-proof polypropylene material and preparation method thereof and application.
Background technology
Polypropylene (PP) is a kind of thermoplastics, light specific gravity, and finished surface hardness is large, and elasticity is high, and thermotolerance, chemical stability, insulativity are good, is widely used in the numerous areas produced, live.The polypropylene material of high impact is also widely used in manufacturing battery cell case.But polypropylene very easily burns, limiting oxygen index(LOI) (LOI) is only 17.4-18.5, and during burning, molten drop is serious, and easy propagating flame causes fire, makes it apply and there is unsafe factor.This makes PP be restricted in the application of the industry such as electric, Communication Equipment, automobile, electrical equipment, material of construction.In order to meet flame-retarding characteristic requirement, modification must be carried out to PP.The flame retardant properties improving PP by adding fire retardant effectively expands its range of application.
Lead-acid storage battery outer case, requires to have higher shock resistance; Between battery jar and lid in combination with heat seal, require that sheating material has good heat seal performance, long-term and density is the use properties that the sulfuric acid contact of 1.2-1.4g/ml does not affect material, and product surface is separated out without fire retardant.
The flame retardant properties of polypropylene lead-acid storage battery outer case is in the market all bad, therefore invents a kind of high tenacity environment-friendly flame-proof polypropylene material and just has a very big significance for the production of fire-retardant lead-acid storage battery outer case.
Summary of the invention
The present invention provides a kind of high tenacity environment-friendly flame-proof polypropylene material with excellent flame retardant properties and mechanical property to solve above-mentioned prior art Problems existing.
Another object of the present invention is to provide the preparation method of above-mentioned high tenacity environment-friendly flame-proof polypropylene material.
Another object of the present invention is to provide the purposes of above-mentioned high tenacity environment-friendly flame-proof polypropylene material as lead-acid storage battery outer case material.
Object of the present invention is achieved through the following technical solutions:
A kind of high tenacity environment-friendly flame-proof polypropylene material, be made up of the component comprising following weight part:
Polypropylene 40-59 part;
Talcum powder 1-20 part;
Toughner 5-15 part;
Fire retardant 18-25 part;
Fire retarding synergist 6-10 part;
Lubricant 0.3-0.6 part;
Oxidation inhibitor 0.1-0.4 part.
Preferably, described polypropylene is selected from the Co-polypropylene that melting index is 1-100g/10min.
Preferably, described talcum powder is the talcum powder of 1250 order-5000 order silane coupling agent process.
Preferably, described toughner is selected from one or more in ethylene-octene copolymer elastomerics, ethylene-propylene copolymer elastomerics, EPDM.
Preferably, described fire retardant is environmental protection fire retarding agent, preferred TDE.
Preferably, described fire retarding synergist is antimonous oxide.
Preferably, described lubricant is stearate, preferred calcium stearate.
Preferably, described oxidation inhibitor comprises primary antioxidant and auxiliary anti-oxidant; Described primary antioxidant is selected from one or more in Hinered phenols antioxidant, sulphur ester antioxidant, preferred antioxidant 1010, antioxidant 1076; Described auxiliary anti-oxidant is selected from one or more in phosphite, ester kind antioxidant, preferred irgasfos 168.
A preparation method for high tenacity environment-friendly flame-proof polypropylene material, comprises the following steps:
By polypropylene 40-59 weight part, talcum powder 1-20 weight part, toughner 5-15 weight part, fire retardant 18-25 weight part, fire retarding synergist 6-10 weight part, lubricant 0.3-0.6 weight part and oxidation inhibitor 0.1-0.4 weight part put into high-speed mixer mixing 3-5 minute, then add in forcing machine by mixture, extrude also pelletizing and obtain high tenacity environment-friendly flame-proof polypropylene material; Described forcing machine is twin screw extruder, and the barrel temperature of forcing machine is 180-210 DEG C.
A kind of high tenacity environment-friendly flame-proof polypropylene material is manufacturing the application in lead-acid storage battery outer case field.
Compared with prior art, the present invention has following beneficial effect:
1, high tenacity environment-friendly flame-proof polypropylene material of the present invention has higher shock strength and good flame retardant resistance, shiny appearance and separating out without fire retardant;
2, high tenacity environment-friendly flame-proof polypropylene material of the present invention has good heat seal performance, and can effectively prevent sulfuric acid from leaking, its performance meets the performance requriements of lead-acid storage battery outer case material, for fire-retardant lead-acid storage battery outer case provides a kind of novel material.
Embodiment
The present invention is described in detail below in conjunction with each embodiment.
In the formula of embodiment 1-3, polypropylene is the Co-polypropylene that Shanghai Secco Petrochemical Co., Ltd. produces, and commodity are called K7926, and its melting index is 25-30g/10min(test condition: 230 DEG C × 2.16kg); Talcum powder is that Guangxi China is produced, and its size is 1250 orders, whiteness more than 95%, and through silane coupling agent process; Toughner is the ethylene-octene copolymer elastomerics that LG-DOW company produces, and the trade mark is POE8150, and its octene content is 25%, and density is 0.868g/cm
3, melting index is 0.5g/10min(test condition: 190 DEG C × 2.16kg); Fire retardant is TDE; Fire retarding synergist is antimonous oxide; Primary antioxidant is 1010 of the production of Ciba company; Auxiliary anti-oxidant is 168 of the production of Ciba company; Lubricant is calcium stearate.
The comprehensive mechanical property of the polypropylene composite material finally prepared is judged by the tensile strength of test material, flexural strength, notched Izod impact strength and flame retardant properties.
Embodiment 1
By 40 parts by weight of polypropylene (PP) PPK7926,20 weight part talcum powder 1250 orders, 15 weight part POE8150,18 weight part TDE, 6 weight part antimonous oxides, 0.6 parts by weight of calcium stearate, 0.2 weight part antioxidant 1010,0.2 weight part irgasfos 168, put into high-speed mixer mixing 3 minutes, then add in twin screw extruder by mixture, extruder temperature controls within the scope of 180-200 DEG C, extrudes also pelletizing and obtains polypropylene material.The properties test result of material is in table 1.
Embodiment 2
By 51 parts by weight of polypropylene (PP) PPK7926,10 weight part talcum powder 1250 orders, 10 weight part POE8150,21 weight part TDE, 7 weight part antimonous oxides, 0.6 parts by weight of calcium stearate, 0.2 weight part antioxidant 1010,0.2 weight part irgasfos 168, put into high-speed mixer mixing 3 minutes, then add in twin screw extruder by mixture, extruder temperature controls within the scope of 180-200 DEG C, extrudes also pelletizing and obtains polypropylene material.The properties test result of material is in table 1.
Embodiment 3
By 59 parts by weight of polypropylene (PP) PPK7926,1 weight part talcum powder 1250 order, 5 weight part POE8150,25 weight part TDE, 9 weight part antimonous oxides, 0.6 parts by weight of calcium stearate, 0.2 weight part antioxidant 1010,0.2 weight part irgasfos 168, put into high-speed mixer mixing 3 minutes, then add in twin screw extruder by mixture, extruder temperature controls within the scope of 180-200 DEG C, extrudes also pelletizing and obtains polypropylene material.The properties test result of material is in table 1.
Above-mentioned modified polypropylene material extra large sky injection moulding machine is injection molded into lead-acid storage battery outer case, and injection moulding machine model is extra large sky MA28000, and injection temperature is 180-220 DEG C, and die temperature is 40-50 DEG C.Product flame retardant properties is qualified.
Table 1
The performance data of embodiment 1-3 as can be seen from table 1, high tenacity environment-friendly flame-proof polypropylene material of the present invention, shock strength is higher, excellent fireproof performance.This material is through injection moulding battery cell case product, and its heat sealability is good, and low temperature impact properties and flame retardant properties also can reach the requirement of battery cell case.
Embodiment 4
Be the Co-polypropylene of 1-35g/10min by 49.5 weight part melting index, 10 weight part talcum powder 5000 orders (through silane coupling agent process), 5 weight part EPDM, 25 weight part TDE, 10 weight part antimonous oxides, 0.3 parts by weight of calcium stearate, 0.05 weight part antioxidant 1076,0.05 weight part irgasfos 168, put into high-speed mixer mixing 4 minutes, then add in twin screw extruder by mixture, extruder temperature controls within the scope of 180-210 DEG C, extrudes also pelletizing and obtains high tenacity environment-friendly flame-proof polypropylene material.
Embodiment 5
Be the Co-polypropylene of 28-65g/10min by 56.3 weight part melting index, 10 weight part talcum powder 2000 orders (through silane coupling agent process), 9 parts by weight of ethylene-propylene copolymer elastomer, 18 weight part TDE, 6 weight part antimonous oxides, 0.4 parts by weight of calcium stearate, 0.1 weight part antioxidant 1076, 0.2 weight part irgasfos 168, put into high-speed mixer mixing 5 minutes, then mixture is added in twin screw extruder, extruder temperature controls within the scope of 180-210 DEG C, extrude also pelletizing and obtain high tenacity environment-friendly flame-proof polypropylene material.
Embodiment 6
Be the Co-polypropylene of 70-100g/10min by 45 weight part melting index, 15 weight part talcum powder 3850-4500 orders (through silane coupling agent process), 12 parts by weight of ethylene-propylene copolymer elastomer, 23 weight part TDE, 8 weight part antimonous oxides, 0.5 parts by weight of calcium stearate, 0.1 weight part antioxidant 1010, 0.1 weight part irgasfos 168, put into high-speed mixer mixing 5 minutes, then mixture is added in twin screw extruder, extruder temperature controls within the scope of 180-210 DEG C, extrude also pelletizing and obtain high tenacity environment-friendly flame-proof polypropylene material.
Be only several specific embodiments of the application above, but the application is not limited thereto, the changes that any person skilled in the art can think of, all should drops in the protection domain of the application.
Claims (9)
1. high tenacity environment-friendly flame-proof polypropylene material is for the manufacture of a purposes for lead-acid storage battery outer case, it is characterized in that, described high tenacity environment-friendly flame-proof polypropylene material is made up of the component comprising following weight part:
Polypropylene 40-59 part;
Talcum powder 1-20 part;
Toughner 5-15 part;
Fire retardant 18-25 part;
Fire retarding synergist 6-10 part;
Lubricant 0.3-0.6 part;
Oxidation inhibitor 0.1-0.4 part; Wherein,
Described polypropylene commodity are called K7926, and its melting index is 25-30g/10min;
Described talcum powder is the talcum powder with silane coupling agent process, and whiteness is more than 95%;
Described toughner is ethylene-octene copolymer elastomerics, and the trade mark is POE8150, and its octene content is 25%, and density is 0.868g/cm3, and melting index is 0.5g/10min.
2. high tenacity environment-friendly flame-proof polypropylene material as claimed in claim 1 is for the manufacture of the purposes of lead-acid storage battery outer case, and it is characterized in that, described talcum powder is 1250 order-5000 orders.
3. high tenacity environment-friendly flame-proof polypropylene material as claimed in claim 1 is for the manufacture of the purposes of lead-acid storage battery outer case, and it is characterized in that, described fire retardant is TDE.
4. high tenacity environment-friendly flame-proof polypropylene material as claimed in claim 1 is for the manufacture of the purposes of lead-acid storage battery outer case, and it is characterized in that, described fire retarding synergist is antimonous oxide.
5. high tenacity environment-friendly flame-proof polypropylene material as claimed in claim 1 is for the manufacture of the purposes of lead-acid storage battery outer case, and it is characterized in that, described lubricant is stearate.
6. high tenacity environment-friendly flame-proof polypropylene material as claimed in claim 1 is for the manufacture of the purposes of lead-acid storage battery outer case, and it is characterized in that, described lubricant is calcium stearate.
7. high tenacity environment-friendly flame-proof polypropylene material as claimed in claim 1 is for the manufacture of the purposes of lead-acid storage battery outer case, and it is characterized in that, described oxidation inhibitor comprises primary antioxidant and auxiliary anti-oxidant; Described primary antioxidant is selected from one or more in Hinered phenols antioxidant, sulphur ester antioxidant; Described auxiliary anti-oxidant is selected from one or more in phosphite, ester kind antioxidant.
8. high tenacity environment-friendly flame-proof polypropylene material as claimed in claim 7 is for the manufacture of the purposes of lead-acid storage battery outer case, it is characterized in that, described primary antioxidant be antioxidant 1010, antioxidant 1076 one or more; Described auxiliary anti-oxidant is irgasfos 168.
9. the high tenacity environment-friendly flame-proof polypropylene material according to any one of claim 1 to 8, for the manufacture of the purposes of lead-acid storage battery outer case, is characterized in that, the preparation method of described high tenacity environment-friendly flame-proof polypropylene material comprises the following steps:
By polypropylene 40-59 weight part, talcum powder 1-20 weight part, toughner 5-15 weight part, fire retardant 18-25 weight part, fire retarding synergist 6-10 weight part, lubricant 0.3-0.6 weight part and oxidation inhibitor 0.1-0.4 weight part put into high-speed mixer mixing 3-5 minute, then add in forcing machine by mixture, extrude also pelletizing and obtain high tenacity environment-friendly flame-proof polypropylene material; Described forcing machine is twin screw extruder, and the barrel temperature of forcing machine is 180-210 DEG C.
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Families Citing this family (10)
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| CN103910940B (en) * | 2014-04-02 | 2019-01-29 | 合肥杰事杰新材料股份有限公司 | A kind of polypropene composition and the preparation method and application thereof |
| CN105199218A (en) * | 2015-09-16 | 2015-12-30 | 深圳市西甫新材料股份有限公司 | High-tenacity low-contraction-rate inflaming retarding V2-stage polypropylene material and preparation method thereof |
| CN111592720A (en) * | 2019-05-16 | 2020-08-28 | 骆驼集团塑胶制品有限公司 | Special polypropylene modified material for storage battery shell and preparation method thereof |
| CN111592719A (en) * | 2019-05-16 | 2020-08-28 | 骆驼集团塑胶制品有限公司 | Special polypropylene toughening modification material for storage battery shell and preparation method thereof |
| CN110511481A (en) * | 2019-07-09 | 2019-11-29 | 中山市金群瑞科技有限公司 | A kind of degradable package plate and preparation method thereof with flame retardant effect |
| CN110791014A (en) * | 2019-10-19 | 2020-02-14 | 东莞市致森五金塑胶制品有限公司 | Flame-retardant PP (polypropylene) plate and preparation method thereof |
| CN112778577A (en) * | 2019-11-07 | 2021-05-11 | 江苏汉光实业股份有限公司 | Polypropylene reinforced toughened flame-retardant additive and preparation method thereof |
| CN112646277A (en) * | 2020-12-25 | 2021-04-13 | 盐城工学院 | Special material for polypropylene storage battery shell and preparation method thereof |
| CN112759839A (en) * | 2021-01-22 | 2021-05-07 | 浙江科瑞达塑胶有限公司 | Composite material for AGM storage battery and application thereof |
| CN114410005A (en) * | 2022-01-27 | 2022-04-29 | 武汉金发科技有限公司 | Anti-bending flame-retardant polypropylene composite material and preparation method and application thereof |
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