CN102618024A - Nylon-based nano composite material and preparation method thereof - Google Patents
Nylon-based nano composite material and preparation method thereof Download PDFInfo
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- CN102618024A CN102618024A CN2012100895258A CN201210089525A CN102618024A CN 102618024 A CN102618024 A CN 102618024A CN 2012100895258 A CN2012100895258 A CN 2012100895258A CN 201210089525 A CN201210089525 A CN 201210089525A CN 102618024 A CN102618024 A CN 102618024A
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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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- 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
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- 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
- B29C2948/92885—Screw or gear
-
- 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
Abstract
The invention discloses a nylon-based nano composite material and a preparation method thereof. The nylon-based nano composite material consists of the following components in percentage by weight: 25 to 96.7 percent of polyamide resin, 0.5 to 30 percent of blocking macromolecular filler, 0.5 to 10 percent of blocking inorganic nano filler, 2 to 30 percent of toughening agent, and 0.3 to 5.0 percent of aid. The nylon-based nano composite material has wide raw material source, can be prepared into injection molding grade and blow molding grade products, has high blocking performance for polar and non-polar volatile small molecular substances such as fuel oil, ethanol, oxygen and carbon dioxide, and has excellent high and low temperature comprehensive performance; and the products can be applied to the occasions with high requirement for the blocking performance such as fuel tanks, lubricating oil pots, fuel pipelines and packing materials.
Description
[technical field]
The present invention relates to polymeric material field, relate in particular to a kind of nylon based nano composite material and preparation method thereof.
[background technology]
A kind of novel functional material of barrier material foot, it has screening ability to micro-molecular gas, liquid, water vapor, fragrance and flavour of a drug, also can intercept light (ultraviolet ray) sometimes.Barrier material all has a wide range of applications in fields such as automobile, food, medicine, precision instrument and fine chemistries.Micro-molecular gas or liquid are divided into 4 stages to the process of osmosis of polymkeric substance: (1) small molecules is adsorbed in polymer surfaces; (2) small molecules is dissolved in the polymkeric substance; (3) small molecules passes through polymkeric substance with certain concentration gradient; (4) small molecules is at another surface desorption of polymkeric substance.All factors that can delay wherein any one process generation all help improving the barrier of polymkeric substance.
Barrier material is mainly used in food-drink Freshkeeping Packaging, transport pipe, fuel tank, oil bottle, container for storing liquid etc. and requires gas or the low application scenario of liquid small molecules rate of permeation.Along with the development of automobile industry, barrier material one of important application mode for barrier material that is applied on automotive oil tank, oil pipeline.
First automobile plastic fuel tank developed jointly success and applied on the Porsche sport car the sixties in 20th century by Volkswagen motor corporation, BASF AG and the Kautex company of Germany in the world.The automobile of the U.S. existing 95% adopts plastic fuel tank at present, and also there is 91% vehicle use plastic fuel tank in Europe, even the big country Japan of iron fuel tank also recognizes the hidden danger that the iron fuel tank has, also begins to develop in batches plastic fuel tank.At present the car major part of China has been used plastic fuel tank, and respectively there is a tame enterprise in northeast at the production plastic fuel tank with Jiangsu.At present, the used material of plastic fuel tank mainly is high density polyethylene(HDPE) (HDPE), but because gasoline structure and HDPE similar, have consistency, non-polar solvents such as gasoline can be diffused into extraneous the gasification through the inner wall of oil tank infiltration and lose.The about 16g/m of quantity discharged of individual layer HDPE fuel tank
224h far away can not allow compliance with emission standards.At present, U.S. EPA and China are less than 2g/car24h vehicle complete vehicle fuel emission amount standard; U.S. EPA is 1.5g/m to the fuel oil in fuel tank emission standard of various Small Universal power-equipments
224h.Therefore, the technological focus of plastic fuel tank is actually the impermeable technology of fuel tank.For the fuel oil barriering efficiency that improves HDPE has two types treatment process usually: the fuel tank inner wall surface is handled and is comprised the multi-layer co-extruded of high barrier macromolecular material.
The plastic fuel tank inwall is carried out surface treatment method have three kinds: first kind is the epoxy spraying method, and this kind method is comparatively backward, and effect is also poor; Second kind is sulfonation (SO
3Gas) facture, this method technical maturity once was widely used; The third is the fluoridation method, and this method is in blow-moulding process, is blown into the nitrogen that contains 1% fluorine to fuel tank internal simultaneously, makes its fuel tank internal layer form the fluorine-containing layer of anti-fuel oil infiltration.After fluoridation, it is comparatively remarkable that the gasoline infiltration capacity of fuel tank reduces effect, can be by-16g/m
224h reduces to 0.5g/m
224h.Back two kinds of methods in above-mentioned three kinds of methods all can cause public hazards.It is to be prone to cause secondary pollution that Japan has forbidden adopting fluorination method, reason, be detrimental to health, and facility investment is big, source of the gas is difficult, complex process, difficulty is big, cost is higher.
Multi-layer co-extruded is the main means that improve HDPE fuel tank barrier property at present, and its structure is to be the new bed of material (containing carbon black), feed back layer, adhesive linkage, barrier layer (EVOH), adhesive linkage, the new bed of material from outside to inside; Owing to added barrier resin EVOH, thereby improved the leakage pollution of fuel oil.Although multi-layer co-extruded technology has improved the HDPE fuel tank, because barrier resins content is not high, HDPE itself is low excessively to the barriering efficiency of fuel oil, so the obstructing capacity of six layers of co-extrusion fuel tank of this kind also only is to reach 0.9g/m
224h, though at present still can allow compliance with emission standards, along with the progressively raising of emission standard, its obstructing capacity to fuel oil will meet the demands.Simultaneously, multi-layer co-extruded complex equipments has accounted for significant proportion in the cost workinprocess cost of facility investment, and this also is the major reason that the plastic fuel tank cost exceeds the metal fuel tank for a long time.On the other hand, because the mechanical property of HDPE own is relatively poor relatively, so the fuel tank goods necessarily require thicklyer just can meet the mechanics requirement, make product relatively poor to the weight loss effect of car body.At last, because the multi-layer co-extruded HDPE of preparing fuel tank is a non-homogeneous structure, repeat to utilize again so can't reclaim.
[summary of the invention]
The technical problem that the present invention will solve provides nylon based nano composite material of a kind of good barrier property and preparation method thereof.
In order to solve the problems of the technologies described above, the technical scheme that the present invention adopts is, a kind of nylon based nano composite material is composed of the following components by weight percentage:
Polyamide resin: 25%-96.7%,
Barrier polymer carrier: 0.5%-30%,
Barrier inorganic nano-filler: 0.5%-10%,
Toughner: 2%-30%,
Auxiliary agent: 0.3%-5.0%.
Above-described nylon based nano composite material, described polyamide resin are one or more in nylon 6, nylon 66 nylon 12 and the nylon 1212, limiting viscosity 2.4-5.0dl/g.Described auxiliary agent comprises anti-alcoholysis agent, oxidation inhibitor and lubricant; Said anti-alcoholysis agent is a kind of in copper compound stablizer and the soap hydrolysising protection lubricant; Described oxidation inhibitor is one or more in suffocated amine antioxidant, Hinered phenols antioxidant and the phosphite ester kind antioxidant, and described said lubricant agent is one or more in Zinic stearas, calcium stearate, ethylene bis stearic acid amide, illiteracy dawn ester type waxes and the silicone powder.
Above-described nylon based nano composite material, said barrier polymer carrier are one or more in polyethylene terephthalate, polybutylene terephthalate, ppe and the ethylene-vinyl alcohol copolymer.
Above-described nylon based nano composite material, contents of ethylene in the described ethylene-vinyl alcohol copolymer＜90%.
Above-described nylon based nano composite material, said barrier inorganic nano-filler are one or more in nanomete talc powder, nano imvite and the nano kaoline.
Above-described nylon based nano composite material; Said toughner is selected from one or more in modified by maleic acid anhydride graft polyolefin elastomer, modified by maleic acid anhydride graft terpolymer EP rubber and the modified by maleic acid anhydride graft thermoplastic elastomer, and maleic anhydride grafting ratio is 0.1%-30%.
Above-described nylon based nano composite material, composed of the following components by weight percentage:
Polyamide resin PA6:80%-82%,
Barrier polymer carrier PET:4%-6%,
Barrier inorganic nano-filler kaolin: 2%-4%,
Toughening agent maleic anhydride grafting POE:9%-12%,
Auxiliary agent: 0.3%-1.0%.
Above-described nylon based nano composite material, composed of the following components by weight percentage:
Polyamide resin PA6:73%-75%,
Barrier polymer carrier EVOH:7%-9%,
Barrier inorganic nano-filler: 4%-6%,
Toughner: 11%-13%,
Auxiliary agent: 0.3%-1.0%.
Above-described nylon based nano composite material, composed of the following components by weight percentage:
Polyamide resin PA66:57%-59%,
Barrier polymer carrier PBT:19%-21%,
Barrier inorganic nano-filler talcum powder: 0.5%-1.5%,
Toughner EPDM:19%-21%,
Auxiliary agent: 0.3%-1.0%.
A kind of above-mentioned nylon based nano composite material preparing method's technical scheme may further comprise the steps:
1) take by weighing starting material by above-mentioned weight percent, polyamide resin, barrier polymer carrier, toughner added high speed mixer, splash into dispersed oil after, mixed 5-10 minute;
2) barrier inorganic nano-filler, auxiliary agent are added high mixer, with step 1) gained miscellany at high-speed mixer and mixing 5-10 minute, the blend material;
3) the blend material is added twin screw extruder and melt extrude, temperature is 180 ℃-290 ℃, and the twin screw length-to-diameter ratio is 36-56, and engine speed is 100-600rpm.
Nylon based hyposmosis nano composite material raw material sources of the present invention are extensive, and barrier property is outstanding, and high low temperature over-all properties is superior, and production efficiency is high, and is simple to operate, is applicable to suitability for industrialized production.
[embodiment]
Through embodiment the present invention is further set forth below:
Each constituent mass content of nylon based hyposmosis nano composite material is following:
Nylon: 25%-96.7%,
Barrier polymer carrier: 0.5%-30%,
Barrier inorganic nano-filler: 0.5%-10%,
Toughner: 2%-30%,
Auxiliary agent: 0.3%-5.0%.
The preparation method of nylon based hyposmosis nano composite material comprises the steps:
1) nylon, barrier polymer carrier, toughner are added high speed mixer, splash into dispersed oil (technical oil) after, mixed 5-10 minute;
2) barrier inorganic nano-filler, auxiliary agent are added high mixer, with step 1) gained miscellany at high-speed mixer and mixing 5-10 minute, the blend material;
3) step 2 gained blend material is added twin screw extruder, behind the mixing, melt extrude, temperature is 180 ℃-290 ℃, and the twin screw length-to-diameter ratio is 36-56, and engine speed is 100-600rpm;
4) cooling back pelletizing screening;
5) packing.
Above major ingredient nylon is selected from PA6, PA66, PA12, PA1212 or any miscellany of above resin, and the barrier polymer carrier is selected from PET, PBT, PPO, EVOH or its any miscellany; The barrier inorganic nano-filler is selected from nanomete talc powder, nano imvite, nano kaoline or its any miscellany; Toughner is selected from modified by maleic acid anhydride graft POE, modified by maleic acid anhydride graft EPDM, modified by maleic acid anhydride graft TPE or its any miscellany, and maleic anhydride grafting ratio is 0.1%-30%; Auxiliary agent contains anti-alcoholysis agent, heatproof inhibitor, lubricant.
The preparation method of embodiment 1 nylon based hyposmosis nano composite material, concrete steps are following:
1) major ingredient PA681kg, barrier polymer carrier PET (limiting viscosity 0.5-1.2dl/g) 5kg, toughening agent maleic anhydride grafting POE (UF-MOE connects a rate 2%) 10kg is added high speed mixer, splash into dispersed oil after, mixed 5-10 minute;
2) barrier inorganic nano-filler nano kaoline (NYLOK 171) 3kg, anti-alcoholysis agent (Brueggemann H 3337) 0.3kg, heatproof inhibitor (oxidation inhibitor 1098) 0.4kg, lubricant (lubricant TAF) 0.3kg are added high mixer; With step 1) gained miscellany at high-speed mixer and mixing 5-10 minute, the blend material;
3) step 2 gained blend material is added twin screw extruder, behind the mixing, melt extrude, temperature is 180 ℃-230 ℃, and the twin screw length-to-diameter ratio is 44, and engine speed is 250rpm;
4) cooling back pelletizing screening;
5) packing;
The gained mechanical property of materials is following: tensile strength, 60MPa; Elongation at break, 55%; Flexural strength, 80MPa; Modulus in flexure, 3000MPa; Cantilever amount breach beam impacts, 300J/M; Rate of permeation to toluene/octane-iso (1/1wt) under 28 ℃ is 1.0gmm/m
2Day.
The preparation method of embodiment 2 nylon based hyposmosis nano composite materials, concrete steps are following:
1) with major ingredient PA6 (limiting viscosity 2.4-5.0dl/g) 74kg, barrier polymer carrier ethylene-vinyl alcohol copolymer EVOH (contents of ethylene＜90%; Japan Kuraray EVOH F101A) 8kg, toughening agent maleic anhydride grafting POE (UF-MOE; Connecing rate 2%) 12kg adds high speed mixer; After splashing into dispersed oil, mixed 5-10 minute;
2) barrier inorganic nano-filler nano imvite (DK2) 5kg, anti-alcoholysis agent (Brueggemann H 3337) 0.3kg, heatproof inhibitor (oxidation inhibitor 1098) 0.4kg, lubricant (lubricant OP wax) 0.3kg are added high mixer; With step 1) gained miscellany at high-speed mixer and mixing 5-10 minute, the blend material;
3) step 2 gained blend material is added twin screw extruder, behind the mixing, melt extrude, temperature is 180 ℃-230 ℃, and the twin screw length-to-diameter ratio is 44, and engine speed is 250rpm;
4) cooling back pelletizing screening;
5) packing;
The gained mechanical property of materials is following: tensile strength, 50MPa; Elongation at break, 65%; Flexural strength, 70MPa; Modulus in flexure, 2000MPa; Cantilever amount breach beam impacts, 500J/M; Rate of permeation to toluene/octane-iso (1/1wt) under 28 ℃ is 0.2gmm/m
2Day.
The preparation method of embodiment 3 nylon based hyposmosis nano composite materials, concrete steps are following:
1) with major ingredient PA66 (limiting viscosity 2.4-5.0dl/g) 58kg, barrier polymer carrier PBT (limiting viscosity 0.5-1.2dl/g) 20kg, toughening agent maleic anhydride grafting modified epdm (TRD-358EP; Percentage of grafting 1.5%) 20kg adds high speed mixer; After splashing into dispersed oil, mixed 5-10 minute;
2) barrier inorganic nano-filler nanomete talc powder (AG-609) 1kg, anti-alcoholysis agent (Brueggemann H 3337) 0.3kg, heatproof inhibitor (Brueggemann H 3336) 0.4kg, lubricant (lubricant OP wax) 0.3kg are added high mixer; With step 1) gained miscellany at high-speed mixer and mixing 5-10 minute, the blend material;
3) step 2 gained blend material is added twin screw extruder, behind the mixing, melt extrude, temperature is 180 ℃-230 ℃, and the twin screw length-to-diameter ratio is 44, and engine speed is 250rpm;
4) cooling back pelletizing screening;
5) packing;
The gained mechanical property of materials is following: tensile strength, 40MPa; Elongation at break, 115%; Flexural strength, 60MPa; Modulus in flexure, 1600MPa; Cantilever amount breach beam impacts, 700J/M; Rate of permeation to toluene/octane-iso (1/1wt) under 28 ℃ is 1.4gmm/m
2Day.
The nylon based hyposmosis nano composite material of the embodiment of the invention, raw material sources are extensive, can be prepared into injection grade and blowing level product; Fuel oil, ethanol, oxygen, carbonic acid gas isopolarity and nonpolar volatile small molecule material are had higher barrier property, and high low temperature over-all properties is superior; Product can be applicable to the application scenario that fuel tank, lubricated oil can, oil fuel pipe, wrapping material etc. have higher requirements to barrier property.
More than be merely preferred embodiment of the present invention,, all any modifications of within spirit of the present invention and principle, being done, be equal to and replace and improvement etc., all should be included within protection scope of the present invention not in order to restriction the present invention.
Claims (10)
1. a nylon based nano composite material is characterized in that, and is composed of the following components by weight percentage:
Polyamide resin: 25%-96.7%,
Barrier polymer carrier: 0.5%-30%,
Barrier inorganic nano-filler: 0.5%-10%,
Toughner: 2%-30%,
Auxiliary agent: 0.3%-5.0%.
2. nylon based nano composite material according to claim 1 is characterized in that, described polyamide resin is one or more in nylon 6, nylon 66 nylon 12 and the nylon 1212, limiting viscosity 2.4-5.0dl/g; Described auxiliary agent comprises anti-alcoholysis agent, oxidation inhibitor and lubricant; Said anti-alcoholysis agent is a kind of in copper compound stablizer and the soap hydrolysising protection lubricant; Described oxidation inhibitor is one or more in suffocated amine antioxidant, Hinered phenols antioxidant and the phosphite ester kind antioxidant, and described said lubricant agent is one or more in Zinic stearas, calcium stearate, ethylene bis stearic acid amide, illiteracy dawn ester type waxes and the silicone powder.
3. nylon based nano composite material according to claim 1 is characterized in that, said barrier polymer carrier is one or more in polyethylene terephthalate, polybutylene terephthalate, ppe and the ethylene-vinyl alcohol copolymer.
4. nylon based nano composite material according to claim 1 is characterized in that, contents of ethylene in the described ethylene-vinyl alcohol copolymer＜90%.
5. nylon based nano composite material according to claim 1 is characterized in that, said barrier inorganic nano-filler is one or more in nanomete talc powder, nano imvite and the nano kaoline.
6. nylon based nano composite material according to claim 1; It is characterized in that; Said toughner is selected from one or more in modified by maleic acid anhydride graft polyolefin elastomer, modified by maleic acid anhydride graft terpolymer EP rubber and the modified by maleic acid anhydride graft thermoplastic elastomer, and maleic anhydride grafting ratio is 0.1%-30%.
7. nylon based nano composite material according to claim 1 is characterized in that, and is composed of the following components by weight percentage:
Polyamide resin PA6:80%-82%,
Barrier polymer carrier PET:4%-6%,
Barrier inorganic nano-filler kaolin: 2%-4%,
Toughening agent maleic anhydride grafting POE:9%-12%,
Auxiliary agent: 0.3%-1.0%.
8. nylon based nano composite material according to claim 1 is characterized in that, and is composed of the following components by weight percentage:
Polyamide resin PA6:73%-75%,
Barrier polymer carrier EVOH:7%-9%,
Barrier inorganic nano-filler: 4%-6%,
Toughner: 11%-13%,
Auxiliary agent: 0.3%-1.0%.
9. nylon based nano composite material according to claim 1 is characterized in that, and is composed of the following components by weight percentage:
Polyamide resin PA66:57%-59%,
Barrier polymer carrier PBT:19%-21%,
Barrier inorganic nano-filler talcum powder: 0.5%-1.5%,
Toughner EPDM:19%-21%,
Auxiliary agent: 0.3%-1.0%.
10. the preparation method of the described nylon based nano composite material of claim 1 is characterized in that, may further comprise the steps:
1) weight percent by claim 1 takes by weighing starting material, and polyamide resin, barrier polymer carrier, toughner are added high speed mixer, splash into dispersed oil after, mixed 5-10 minute;
2) barrier inorganic nano-filler, auxiliary agent are added high mixer, with step 1) gained miscellany at high-speed mixer and mixing 5-10 minute, the blend material;
3) the blend material is added twin screw extruder and melt extrude, temperature is 180 ℃-290 ℃, and the twin screw length-to-diameter ratio is 36-56, and engine speed is 100-600rpm.
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| CN102993701A (en) * | 2012-10-19 | 2013-03-27 | 芜湖市鑫海橡塑制品有限责任公司 | Modified nylon polyamide 6 (PA6) material for automobile oil pipe and preparation method of modified nylon PA6 material |
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| CN109517374A (en) * | 2018-11-30 | 2019-03-26 | 公安部沈阳消防研究所 | High barrier nylon composite materials and preparation method thereof |
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| CN114181524A (en) * | 2021-12-14 | 2022-03-15 | 上汽大众汽车有限公司 | Fuel distribution pipe and method for producing plastic particles |
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| CN108047712A (en) * | 2017-12-14 | 2018-05-18 | 广东思汗新材料有限公司 | Fire-retardant Nylon 66 composite material and preparation method thereof |
| CN109575529A (en) * | 2018-11-27 | 2019-04-05 | 浙江乐岁新材料有限公司 | A kind of sheet material and preparation method thereof for making food box |
| CN109517374A (en) * | 2018-11-30 | 2019-03-26 | 公安部沈阳消防研究所 | High barrier nylon composite materials and preparation method thereof |
| CN112824740A (en) * | 2019-11-20 | 2021-05-21 | 刘振国 | Inner container of hydrogen storage tank and preparation method thereof |
| CN110982259A (en) * | 2019-12-02 | 2020-04-10 | 东北林业大学 | Completely biodegradable high-barrier polyamide-based composite film material and preparation method thereof |
| CN111117217A (en) * | 2019-12-26 | 2020-05-08 | 上海普利特复合材料股份有限公司 | Nylon material for injection molding of low-permeability fuel tank and preparation method thereof |
| CN111718578A (en) * | 2020-06-30 | 2020-09-29 | 重庆科聚孚工程塑料有限责任公司 | Polyamide 6 composite material for ethanol gasoline tank and preparation method thereof |
| CN113388247A (en) * | 2021-06-09 | 2021-09-14 | 昆山运融新材料科技有限公司 | High-barrier nylon master batch for food packaging material and preparation method thereof |
| CN113881221A (en) * | 2021-11-12 | 2022-01-04 | 惠州市晋裕塑料科技有限公司 | High-barrier nylon blending material |
| CN114181524A (en) * | 2021-12-14 | 2022-03-15 | 上汽大众汽车有限公司 | Fuel distribution pipe and method for producing plastic particles |
| CN114621550A (en) * | 2022-02-28 | 2022-06-14 | 上海金发科技发展有限公司 | Soft-touch low-odor low-TVOC polypropylene composite material and preparation method and application thereof |
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