CN103146055B - Food-grade heat-resistant polypropylene composite material and preparation method thereof - Google Patents
Food-grade heat-resistant polypropylene composite material and preparation method thereof Download PDFInfo
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- CN103146055B CN103146055B CN201310067800.0A CN201310067800A CN103146055B CN 103146055 B CN103146055 B CN 103146055B CN 201310067800 A CN201310067800 A CN 201310067800A CN 103146055 B CN103146055 B CN 103146055B
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- 239000004743 Polypropylene Substances 0.000 title claims abstract description 34
- -1 polypropylene Polymers 0.000 title claims abstract description 16
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000002131 composite material Substances 0.000 title claims abstract description 11
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 8
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 5
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 4
- 239000012467 final product Substances 0.000 claims description 4
- 238000005453 pelletization Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000007334 copolymerization reaction Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 2
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- 238000007664 blowing Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 229920002292 Nylon 6 Polymers 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- LWDQPPLPHGXYLG-UHFFFAOYSA-N 1-(2,3,4-trimethoxyphenyl)propan-2-amine Chemical compound COC1=CC=C(CC(C)N)C(OC)=C1OC LWDQPPLPHGXYLG-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 101001126471 Homo sapiens Plectin Proteins 0.000 description 1
- 102100030477 Plectin Human genes 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004851 dishwashing Methods 0.000 description 1
- 238000010413 gardening Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- 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
-
- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a food-grade heat-resistant polypropylene composite material and a preparation method thereof, wherein the composite material comprises the following components: according to weight percentage, 30-50% of homopolymerized PP, 20-40% of copolymerized PP, 0.5-1.5% of EBS, 10-25% of calcium carbonate, 20-35% of barium sulfate, 0.5-1.0% of antioxidant, 0.5-2% of color master and 0.2-2.0% of others. The preparation method comprises the following steps: adding the raw materials into a mixer in proportion, mixing for 10-20 min, extruding the premixed material through an extruder, drawing strips, cooling the strips by water through a water tank, drying the strips by blowing, and drawing the dried strips to a cutter to finish grain cutting to obtain the material. The invention is safe for foodThe heat resistance reaches 130 ℃ and the impact strength reaches 6.6kJ/m2(ii) a The preparation process is simple, the cost is low, and the application prospect is good.
Description
Technical field
The invention belongs to polypropylene and preparation field thereof, particularly a kind of Food-grade heat-resistant polypropylene composite material and preparation method thereof.
Background technology
The Chinese name of the general introduction PP of food grade PP is polypropylene, has the developing history of 100 years so far, PP feature: density is little, intensity and toughness, and hardness thermotolerance is all better than low pressure polyethylene, can about 110 degree uses.PP is a kind of semi-crystalline material.It is harder and have higher fusing point than PE.Because the PP temperature of homopolymer type is highly brittle higher than when more than 0 DEG C, PP has good electrical property and high-frequency insulation is not subject to humidity effect, but become fragile during low temperature, not wear-resisting, easily aging, be suitable for making common mechanical part, corrosion-resistant part and insulating part, be widely used in the PP that automotive industry mainly uses containing metallic additive: mud guard, vent-pipe, fan etc., apparatus dish washing machine door liner, drying machine vent-pipe, washing machine frame and cover, refrigerator door spacer etc., daily necessities lawn and gardening equipment are as grass mower and water-jet etc.
The modified technique of food grade PP must be noted that the consistency between different polymkeric substance in blending and modifying, when two kinds of polymer blendings that consistency is poor, often needs to add all good three components of respectively with two kinds of polymer compatibility, is referred to as compatilizer.The consistency extreme difference of such as polypropylene and nylon-6, the strength of Single Mechanical can not mix the two, now as added the polypropylene being grafted with MALEIC ANHYDRIDE a little, because the amide group of MALEIC ANHYDRIDE and nylon-6 chemical reaction can occur, the consistency of polypropylene and nylon-6 just greatly can be improved.Should be noted the heterogeneous system only having formation not exclusively compatible in blending and modifying, can make again simultaneously two kinds of polymkeric substance reach mutual dispersed time, just can reach the modified effect of expection.Glass fibre is main strongthener, can significantly improve the tensile strength of PP plastics.Glass fiber content is generally no more than 40%, and it is generally acknowledged has modified effect when staple length is greater than 0.2mm, and diameter effect when tens microns of its glass is better.When glass fiber content increases, strengthen the corresponding decline of processing fluidity of PP, but still belong to the good plastics of mobility.
The market outlook of food grade PP have broad application prospects.Along with the continuous progress of processing of high molecular material equipment and the raising of capacity increasing technique means, increasing co-mixing system can adopt dynamic vulcanization technology to process, this will cause, and a series of excellent property, forming process are convenient, the thermoplastic sulfurized rubber of flexible design occurs, traditional vulcanized rubber Application Areas will more and more replace by thermoplastic sulfurized rubber, PP will obtain more swift and violent development in the application in industrial circle and personal consumption field.PP China sales volume one month about about 700,000 tons, current China is one of country of consumption that consumption is maximum in the world, along with life colourful PP product get more and more, allow human consumer experience the superiority of science.
But food grade PP ubiquity poor heat resistance, the shortcoming that intensity is not high at present.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of Food-grade heat-resistant polypropylene composite material and preparation method thereof, and the food safety of this matrix material is by U.S. FDA certification, and heat resisting temperature reaches 130 DEG C, and shock strength reaches 6.6kJ/m
2; Preparation technology is simple, and cost is low, has a good application prospect.
A kind of Food-grade heat-resistant polypropylene composite material of the present invention, the component of described matrix material comprises: by weight percentage,
Described oxidation inhibitor is antioxidant 1010.
Described other are nucleator TMA-3.
The preparation method of a kind of Food-grade heat-resistant polypropylene composite material of the present invention, comprising:
Added in proportion by raw material in mixer and mix 10 ~ 20min, extruded by material mixed in advance by forcing machine, tie rod is also by after tank water-cooled, and gas blower dries up rear haulage and completes pelletizing to stock cutter, to obtain final product.
Setting extruder temperature a: district: 210-225 DEG C; 2nd district: 200-215 DEG C; 3rd district: 200-210 DEG C; 4th district: 190-210 DEG C; 5th district: 190-210 DEG C; 6th district: 190-210 DEG C; 7th district: 190-200 DEG C; 8th district: 190-210 DEG C; 9th district: 210-225 DEG C.
Regulate water coolant that the temperature in each district of forcing machine is tended to be steady, and by practical condition, corresponding adjustment is done to forcing machine each district temperature.
beneficial effect
Food safety of the present invention is by U.S. FDA certification, and heat resisting temperature reaches 130 DEG C, and shock strength reaches 6.6kJ/m
2; Preparation technology is simple, and cost is low, has a good application prospect.
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Embodiment 1
By raw materials by weight meter, homopolymerization PP 40%, copolymerization PP20%, EBS1%, calcium carbonate 15%, barium sulfate 20%, antioxidant 1010 0.5%, look mother 1.5%, nucleator TMA-32.0% add in mixer and mix 10min, setting extruder temperature a: district: 215 DEG C; 2nd district: 200 DEG C; 3rd district: 200 DEG C; 4th district: 195 DEG C; 5th district: 190 DEG C; 6th district: 190 DEG C; 7th district: 195 DEG C; 8th district: 200 DEG C; 9th district: 225 DEG C, are extruded material mixed in advance by forcing machine, and tie rod is also by after tank water-cooled, and gas blower dries up rear haulage and completes pelletizing to stock cutter, to obtain final product.Food safety is by U.S. FDA certification, and through standard testing, heat resisting temperature reaches 131 DEG C, and shock strength reaches 6.6kJ/m
2.
Embodiment 2
By raw materials by weight meter, PP-140%, PP-220%, EBS1.5%, calcium carbonate 10%, barium sulfate 25%, antioxidant 1010 1.0%, look mother 0.5%, nucleator TMA-32.0% add in mixer and mix 20min, setting extruder temperature a: district: 215 DEG C; 2nd district: 215 DEG C; 3rd district: 210 DEG C; 4th district: 195 DEG C; 5th district: 190 DEG C; 6th district: 200 DEG C; 7th district: 200 DEG C; 8th district: 210 DEG C; 9th district: 225 DEG C, are extruded material mixed in advance by forcing machine, and tie rod is also by after tank water-cooled, and gas blower dries up rear haulage and completes pelletizing to stock cutter, to obtain final product.Food safety is by U.S. FDA certification, and through standard testing, heat resisting temperature reaches 129 DEG C, and shock strength reaches 6.9kJ/m
2.
Claims (3)
1. a Food-grade heat-resistant polypropylene composite material, it is characterized in that: described matrix material is composed of the following components: by weight percentage, homopolymerization PP 40%, copolymerization PP20%, EBS1.5%, calcium carbonate 10%, barium sulfate 25%, antioxidant 1010 1.0%, look mother 0.5%, nucleator TMA-32.0%.
2. a preparation method for Food-grade heat-resistant polypropylene composite material as claimed in claim 1, comprising:
Added in proportion by raw material in mixer and mix 10 ~ 20min, extruded by material mixed in advance by forcing machine, tie rod also by after tank water-cooled, dries up rear haulage and completes pelletizing to stock cutter, to obtain final product.
3. the preparation method of a kind of Food-grade heat-resistant polypropylene composite material according to claim 2, is characterized in that: setting extruder temperature a: district: 210-225 DEG C; 2nd district: 200-215 DEG C; 3rd district: 200-210 DEG C; 4th district: 190-210 DEG C; 5th district: 190-210 DEG C; 6th district: 190-210 DEG C; 7th district: 190-200 DEG C; 8th district: 190-210 DEG C; 9th district: 210-225 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310067800.0A CN103146055B (en) | 2013-03-04 | 2013-03-04 | Food-grade heat-resistant polypropylene composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310067800.0A CN103146055B (en) | 2013-03-04 | 2013-03-04 | Food-grade heat-resistant polypropylene composite material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103146055A CN103146055A (en) | 2013-06-12 |
| CN103146055B true CN103146055B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310067800.0A Active CN103146055B (en) | 2013-03-04 | 2013-03-04 | Food-grade heat-resistant polypropylene composite material and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN103146055B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103694555B (en) * | 2013-11-29 | 2016-05-11 | 乐陵市白鸽食品机械有限公司 | A kind of moulding pair roller of justifying Bun shaping machine |
| CN104861303A (en) * | 2015-06-12 | 2015-08-26 | 福路明精密管材（北京）有限公司 | Medical polypropylene composite material and preparation method thereof |
| CN106009279A (en) * | 2016-06-29 | 2016-10-12 | 安徽徽隆包装有限公司 | Disposable environment-friendly plastic bowl |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102276913B (en) * | 2011-07-15 | 2013-03-20 | 洛阳市河之阳高分子材料有限公司 | Polypropylene material for MPP (modified polypropylene) jacking pipe |
| CN102408630A (en) * | 2011-10-19 | 2012-04-11 | 金发科技股份有限公司 | Polypropylene compound with thermal-oxidative aging resistance |
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2013
- 2013-03-04 CN CN201310067800.0A patent/CN103146055B/en active Active
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| Publication number | Publication date |
|---|---|
| CN103146055A (en) | 2013-06-12 |
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