CN104163991A - Preparation method of halogen-free fire-retardation electric-conduction polypropylene composite material - Google Patents
Preparation method of halogen-free fire-retardation electric-conduction polypropylene composite material Download PDFInfo
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- CN104163991A CN104163991A CN201310186533.9A CN201310186533A CN104163991A CN 104163991 A CN104163991 A CN 104163991A CN 201310186533 A CN201310186533 A CN 201310186533A CN 104163991 A CN104163991 A CN 104163991A
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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
- C08L23/14—Copolymers of propene
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- 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
-
- 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
-
- 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
- C08K2201/004—Additives being defined by their length
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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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
Abstract
The invention relates to a preparation method of a halogen-free fire-retardation electric-conduction polypropylene composite material, and belongs to the technical field of preparation of polymer materials. The preparation method comprises the steps of pouring 81-87 parts by weight of a polypropylene resin, 14-21 parts by weight of a compatilizer, 7-12 parts by weight of an elastomer, 23-31 parts by weight of a fire-retardation agent, 0.6-1.1 parts by weight of an antioxidant, 0.4-0.8 part by weight of graphite, 17-24 parts by weight of glass fibers, 0.8-1.3 parts by weight of a processing aid and 1.8-2.6 parts by weight of carbon black into a high speed mixer, mixing the mixture for 9 min at a rotation speed of 940 n/min, transferring the mixed material into a parallel twin-screw extruder to carry out melting extruding, and carrying out cooling, pelletizing, drying and packaging to obtain the finished product, wherein the screw temperatures of the parallel twin-screw extruder are controlled to be 140 DEG C, 145 DEG C, 150 DEG C, 155 DEG C, 160 DEG C, 160 DEG C, 164 DEG C, 164 DEG C, 168 DEG C and 168 DEG C. According to the present invention, the performance indexes are as the follows: the flexural strength is greater than 56-73 MPa; the notched impact strength is greater than 12.5-15.2 kj/m<2>; the heat distortion temperature is 121-146 DEG C; the fire-retardation achieves V-0 (UL-94-V-0-1.6 mm); and excellent strength and excellent fire retardation are achieved. Moreover, the environmental protection is realized; the use safety is ensured; the process is simple; and the industrial magnification production requirement is met.
Description
Technical field
The invention belongs to field of polymer material preparing technology, be specifically related to a kind of preparation method of conductive polypropylene composite material of halogen-free flameproof.
Background technology
Acrylic resin has excellent physical and mechanical properties, is widely used in all trades and professions.Especially, polypropylene, after glass fibre strengthens, has light specific gravity and intensity high and is used in a large number the fields such as automobile, building, replaces steel.But polypropylene material, owing to insulating, easily gathers electric charge on surface, form static and after buildup of static electricity, easily hurt sb.'s feelings or cause unknown losses.Therefore, reducing static is the requirement of automobile industry to interior trim at polypropylene composite material surface accumulation static.
In addition, along with people find fire research, during traditional material burning, produce too much hydrogen halide, easily cause indicator of trapped personnel death by suffocation, therefore, from personal security angle, consider, material should reduce content of halogen, and improves flame retardant resistance simultaneously.Therefore the polypropylene composite material that, preparation can make up described defect has very important positive effect.
Summary of the invention
Task of the present invention is to provide a kind of preparation method of conductive polypropylene composite material of halogen-free flameproof, the method technique is terse, raw material select with rationally and the polypropylene composite material that can make to obtain there is desirable intensity, excellent halogen-free flameproof effect and can not produce static on surface.
Task of the present invention completes like this, a kind of preparation method of conductive polypropylene composite material of halogen-free flameproof, and it is first by 81～87 parts of the acrylic resins taking by weight, 14～21 parts of compatilizers, 7～12 parts, elastomerics, 23 ~ 31 parts of fire retardants, 0.6 ~ 1.1 part, oxidation inhibitor, graphite 0.4 ~ 0.8, 17 ~ 24 parts, glass fibre, in 0.8 ~ 1.3 part of processing aid and 1.8 ~ 2.6 parts of input high-speed mixers of carbon black, under the speed that is 940n/min at rotating speed, mix 9min, obtain compound, again compound is transferred in parallel twin screw extruder and melt extrudes, through cooling, pelletizing, be dried and packing, obtain the conductive polypropylene composite material of halogen-free flameproof, wherein: the extruder temperature of parallel twin screw extruder is controlled and is: 140 ℃ of district's temperature, two 145 ℃ of district's temperature, three 150 ℃ of district's temperature, four 155 ℃ of district's temperature, five 160 ℃ of district's temperature, six 160 ℃ of district's temperature, seven 164 ℃ of district's temperature, eight 164 ℃ of district's temperature, nine 168 ℃ of district's temperature, ten 168 ℃ of district's temperature.
In one embodiment of the invention, described acrylic resin is that melting index is the Co-polypropylene of 150 ℃ of 15g/10min and fusing points.
In another embodiment of the present invention, the acrylic resin that described compatilizer is maleic anhydride graft.
In yet another embodiment of the present invention, described elastomerics is ethylene-octene copolymer.
In another embodiment of the present invention, described fire retardant is alkyl hypo-aluminum orthophosphate.
Of the present invention, also have in an embodiment, described oxidation inhibitor is BHT.
More of the present invention and in an embodiment, described graphite is flakey electrically conductive graphite.
In of the present invention and then an embodiment, described glass fibre is the alkali free glass fibre of length 6mm.
Of the present invention again more and in an embodiment, described processing aid is calcium stearate.
In again of the present invention and then an embodiment, described carbon black is that carbonarius is female.
The conductive polypropylene composite material of halogen-free flameproof prepared by the inventive method has following performance index after tested: flexural strength is greater than 56～73MPa, and notched Izod impact strength is greater than 12.5～15.2kj/m
2, 121～146 ℃ of heat-drawn wires, flame retardant resistance V-0 (UL-94-V-0-1.6mm), thereby there is excellent intensity and flame retardant resistance; Owing to not containing halogen, thereby can embody environmental protection; Because surface can not produce static, thereby can ensure use safety; Because technique is simple, thereby can meet industrial amplification production requirement.
Embodiment
Embodiment 1:
By the melting index taking by weight, be first 85 parts of the Co-polypropylene of 150 ℃ of 15g/10min and fusing points, 14 parts of the acrylic resins of maleic anhydride graft, 12 parts of ethylene-octene copolymers, 26 parts of alkyl hypo-aluminum orthophosphates, 1.1 parts of BHTs, 0.4 part of flakey electrically conductive graphite, length is 17 parts of the alkali free glass fibres of 6mm, in the female 1.8 parts of input high-speed mixers of 1.1 parts of calcium stearates and carbonarius, under the speed that is 940n/min at rotating speed, mix 9min, obtain compound, then compound is transferred in parallel twin screw extruder and is melt extruded, through cooling, pelletizing, be dried and packing, obtain the conductive polypropylene composite material of halogen-free flameproof, wherein: the extruder temperature of parallel twin screw extruder is controlled and is: 140 ℃ of district's temperature, two 145 ℃ of district's temperature, three 150 ℃ of district's temperature, four 155 ℃ of district's temperature, five 160 ℃ of district's temperature, six 160 ℃ of district's temperature, seven 164 ℃ of district's temperature, eight 164 ℃ of district's temperature, nine 168 ℃ of district's temperature, ten 168 ℃ of district's temperature.
Embodiment 2:
By the melting index taking by weight, be first 81 parts of the Co-polypropylene of 150 ℃ of 15g/10min and fusing points, 17 parts of the acrylic resins of maleic anhydride graft, 7 parts of ethylene-octene copolymers, 23 parts of alkyl hypo-aluminum orthophosphates, 0.6 part of BHT, 0.8 part of flakey electrically conductive graphite, length is 19 parts of the alkali free glass fibres of 6mm, in the female 2 parts of input high-speed mixers of 0.8 part of calcium stearate and carbonarius, under the speed that is 940n/min at rotating speed, mix 9min, obtain compound, then compound is transferred in parallel twin screw extruder and is melt extruded, through cooling, pelletizing, be dried and packing, obtain the conductive polypropylene composite material of halogen-free flameproof, wherein: the extruder temperature of parallel twin screw extruder is controlled and is: 140 ℃ of district's temperature, two 145 ℃ of district's temperature, three 150 ℃ of district's temperature, four 155 ℃ of district's temperature, five 160 ℃ of district's temperature, six 160 ℃ of district's temperature, seven 164 ℃ of district's temperature, eight 164 ℃ of district's temperature, nine 168 ℃ of district's temperature, ten 168 ℃ of district's temperature.
Embodiment 3:
By the melting index taking by weight, be first 87 parts of the Co-polypropylene of 150 ℃ of 15g/10min and fusing points, 21 parts of the acrylic resins of maleic anhydride graft, 11 parts of ethylene-octene copolymers, 29 parts of alkyl hypo-aluminum orthophosphates, 0.8 part of BHT, 6.6 parts of flakey electrically conductive graphites, length is 21 parts of the alkali free glass fibres of 6mm, in the female 2.6 parts of input high-speed mixers of 1.3 parts of calcium stearates and carbonarius, under the speed that is 940n/min at rotating speed, mix 9min, obtain compound, then compound is transferred in parallel twin screw extruder and is melt extruded, through cooling, pelletizing, be dried and packing, obtain the conductive polypropylene composite material of halogen-free flameproof, wherein: the extruder temperature of parallel twin screw extruder is controlled and is: 140 ℃ of district's temperature, two 145 ℃ of district's temperature, three 150 ℃ of district's temperature, four 155 ℃ of district's temperature, five 160 ℃ of district's temperature, six 160 ℃ of district's temperature, seven 164 ℃ of district's temperature, eight 164 ℃ of district's temperature, nine 168 ℃ of district's temperature, ten 168 ℃ of district's temperature.
Embodiment 4:
By the melting index taking by weight, be first 83 parts of the Co-polypropylene of 150 ℃ of 15g/10min and fusing points, 19 parts of the acrylic resins of maleic anhydride graft, 9 parts of ethylene-octene copolymers, 31 parts of alkyl hypo-aluminum orthophosphates, 1 part of BHT, 0.5 part of flakey electrically conductive graphite, length is 24 parts of the alkali free glass fibres of 6mm, in the female 23 parts of input high-speed mixers of 0.9 part of calcium stearate and carbonarius, under the speed that is 940n/min at rotating speed, mix 9min, obtain compound, then compound is transferred in parallel twin screw extruder and is melt extruded, through cooling, pelletizing, be dried and packing, obtain the conductive polypropylene composite material of halogen-free flameproof, wherein: the extruder temperature of parallel twin screw extruder is controlled and is: 140 ℃ of district's temperature, two 145 ℃ of district's temperature, three 150 ℃ of district's temperature, four 155 ℃ of district's temperature, five 160 ℃ of district's temperature, six 160 ℃ of district's temperature, seven 164 ℃ of district's temperature, eight 164 ℃ of district's temperature, nine 168 ℃ of district's temperature, ten 168 ℃ of district's temperature.
The conductive polypropylene composite material of the halogen-free flameproof being obtained by above-described embodiment 1 to 4 has following technique effect after tested:
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Flexural strength MPa | 56 | 61 | 68 | 73 |
| Notched Izod impact strength kj/m 2 | 12.6 | 13．4 | 14.6 | 15.2 |
| Heat-drawn wire | 121 | 127 | 138 | 146 |
| Flame retardant resistance (UL-94-V-0-1.6mm) | V-0 | V-0 | V-0 | V-0 |
Claims (10)
1.
a preparation method for the conductive polypropylene composite material of halogen-free flameproof, is characterized in that it is first by 81～87 parts of the acrylic resins taking by weight, 14～21 parts of compatilizers, 7～12 parts, elastomerics, 23 ~ 31 parts of fire retardants, 0.6 ~ 1.1 part, oxidation inhibitor, graphite 0.4 ~ 0.8, 17 ~ 24 parts, glass fibre, in 0.8 ~ 1.3 part of processing aid and 1.8 ~ 2.6 parts of input high-speed mixers of carbon black, under the speed that is 940n/min at rotating speed, mix 9min, obtain compound, again compound is transferred in parallel twin screw extruder and melt extrudes, through cooling, pelletizing, be dried and packing, obtain the conductive polypropylene composite material of halogen-free flameproof, wherein: the extruder temperature of parallel twin screw extruder is controlled and is: 140 ℃ of district's temperature, two 145 ℃ of district's temperature, three 150 ℃ of district's temperature, four 155 ℃ of district's temperature, five 160 ℃ of district's temperature, six 160 ℃ of district's temperature, seven 164 ℃ of district's temperature, eight 164 ℃ of district's temperature, nine 168 ℃ of district's temperature, ten 168 ℃ of district's temperature.
2.
the preparation method of the conductive polypropylene composite material of halogen-free flameproof according to claim 1, is characterized in that described acrylic resin is that melting index is the Co-polypropylene of 150 ℃ of 15g/10min and fusing points.
3.
the preparation method of the conductive polypropylene composite material of halogen-free flameproof according to claim 1, is characterized in that the acrylic resin that described compatilizer is maleic anhydride graft.
4.
the preparation method of the conductive polypropylene composite material of halogen-free flameproof according to claim 1, is characterized in that described elastomerics is ethylene-octene copolymer.
5.
the preparation method of the conductive polypropylene composite material of halogen-free flameproof according to claim 1, is characterized in that described fire retardant is alkyl hypo-aluminum orthophosphate.
6.
the preparation method of the conductive polypropylene composite material of halogen-free flameproof according to claim 1, is characterized in that described oxidation inhibitor is BHT.
7.
the preparation method of the conductive polypropylene composite material of halogen-free flameproof according to claim 1, is characterized in that described graphite is flakey electrically conductive graphite.
8.
the preparation method of the conductive polypropylene composite material of halogen-free flameproof according to claim 1, is characterized in that described glass fibre is the alkali free glass fibre of length 6mm.
9.
the preparation method of the conductive polypropylene composite material of halogen-free flameproof according to claim 1, is characterized in that described processing aid is calcium stearate.
10.
the preparation method of the conductive polypropylene composite material of halogen-free flameproof according to claim 1, is characterized in that described carbon black is that carbonarius is female.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310186533.9A CN104163991A (en) | 2013-05-20 | 2013-05-20 | Preparation method of halogen-free fire-retardation electric-conduction polypropylene composite material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310186533.9A CN104163991A (en) | 2013-05-20 | 2013-05-20 | Preparation method of halogen-free fire-retardation electric-conduction polypropylene composite material |
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| CN104163991A true CN104163991A (en) | 2014-11-26 |
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| CN201310186533.9A Pending CN104163991A (en) | 2013-05-20 | 2013-05-20 | Preparation method of halogen-free fire-retardation electric-conduction polypropylene composite material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107868338A (en) * | 2017-11-22 | 2018-04-03 | 南通市东方塑胶有限公司 | A kind of conductive polypropylene composite material and preparation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1435442A (en) * | 2002-01-28 | 2003-08-13 | 四川大学 | Tertiary polypropylene/elastomer/inorganic filler composite material and preparing method thereof |
| US20070155884A1 (en) * | 2004-11-12 | 2007-07-05 | Basell Poliolefine Italia S.R.L. | Filled olefin polymer compositions having improved mechanical properties and scratch resistance |
| CN101735513A (en) * | 2009-12-29 | 2010-06-16 | 青岛国恩科技发展有限公司 | Weather-proof reinforced polypropylene composite material and manufacturing method thereof |
| CN102585429A (en) * | 2011-01-11 | 2012-07-18 | 合肥杰事杰新材料股份有限公司 | Resin material, preparation method and applications of resin material |
| CN102898769A (en) * | 2012-10-11 | 2013-01-30 | 江苏鼎启钟华新型材料科技有限公司 | Thermoplastic elastomer (TPE) composition for electric wires and cables based on phosphorus and nitrogen composite flame retardant system |
-
2013
- 2013-05-20 CN CN201310186533.9A patent/CN104163991A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1435442A (en) * | 2002-01-28 | 2003-08-13 | 四川大学 | Tertiary polypropylene/elastomer/inorganic filler composite material and preparing method thereof |
| US20070155884A1 (en) * | 2004-11-12 | 2007-07-05 | Basell Poliolefine Italia S.R.L. | Filled olefin polymer compositions having improved mechanical properties and scratch resistance |
| CN101735513A (en) * | 2009-12-29 | 2010-06-16 | 青岛国恩科技发展有限公司 | Weather-proof reinforced polypropylene composite material and manufacturing method thereof |
| CN102585429A (en) * | 2011-01-11 | 2012-07-18 | 合肥杰事杰新材料股份有限公司 | Resin material, preparation method and applications of resin material |
| CN102898769A (en) * | 2012-10-11 | 2013-01-30 | 江苏鼎启钟华新型材料科技有限公司 | Thermoplastic elastomer (TPE) composition for electric wires and cables based on phosphorus and nitrogen composite flame retardant system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107868338A (en) * | 2017-11-22 | 2018-04-03 | 南通市东方塑胶有限公司 | A kind of conductive polypropylene composite material and preparation method |
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Application publication date: 20141126 |