CN104893074A - Preparation method of novel high-performance PE (polyethylene) packing belt masterbatch - Google Patents
Preparation method of novel high-performance PE (polyethylene) packing belt masterbatch Download PDFInfo
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/28—Treatment by wave energy or particle radiation
-
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2397/00—Characterised by the use of lignin-containing materials
- C08J2397/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
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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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Abstract
The invention provides a preparation method of novel high-performance PE (polyethylene) packing belt masterbatch. The method comprises steps as follows: (1) peanut shell powder is ground by a grinding machine, screened with a 300-mesh sieve, placed in a drying oven to be dried, then dissolved in water and stirred, a mixed liquid is prepared, BP and MMA (methyl methacrylate) are dissolved in water and evenly mixed, a modification liquid is prepared, the mixed liquid is added to the modification liquid, nitrogen is fed, the mixture is stirred at the temperature of 75 DEG C and continuously stirred under microwave irradiation, materials are washed with absolute ethyl alcohol after discharged and are placed in a vacuum drying oven to be dried, and modified peanut shell powder is obtained for use; (2), PE and polymethylphenyl organic silicon resin are added to a high-speed mixer to be mixed, then carbon black and the modified peanut shell powder are sequentially added to be continuously mixed for 10 min, and a mixture is obtained; (3) the mixture is added to a twin-screw extruder for extrusion and granulation, granules are obtained; the obtained granules are placed into an injection molding machine for injection molding, materials are immediately cooled with water after discharged, and the high-performance PE packing belt masterbatch is obtained. The packing belt masterbatch prepared with the method has good wear resistance, light degradation resistance and heat resistance.
Description
Technical field:
The present invention relates to a kind of wrapping material, particularly relate to a kind of preparation method of high performance PE strap masterbatch.
Background technology:
PE is the abbreviation of polyethylene polyethylene, be ethene through being polymerized obtained a kind of thermoplastic resin, industrially also comprise the multipolymer of ethene and a small amount of alpha-olefin.PE odorless is nontoxic, feel ceraceous, have excellent resistance to low temperature (minimum use temperature can reach-100 ~-70 DEG C), chemical stability is good, the erosion (the not resistance to acid with oxidizing property) of the most of soda acid of ability, be insoluble to common solvent under normal temperature, water-absorbent is little, and electrical insulating property is excellent, processing characteristics is fine, the forming methods such as injection moulding, blowing, extrusion molding, rotational moulding can be adopted shaping, be of wide application, wrapping strap is that one of them of PE is mainly applied.But, also there is certain defect in PE strap: resistance toheat, wear resistance and photodegradation ability are not good, shorten its work-ing life.
Publication number is CN104119592A, publication date is 2014.10.29, application people is that the Chinese patent of Suzhou Shengbaiwei Package Equipment Co., Ltd. discloses " a kind of polyethylene strengthens strap and preparation method thereof ", described polyethylene strengthens strap and is made up of according to weight ratio following composition: polyethylene is 15 ~ 17 parts, polyester is 12 ~ 15 parts, Mierocrystalline cellulose is 4 ~ 6 parts, ethylene glycol ether acetate is 3 ~ 6 parts, ethylene diacetate is 4 ~ 5 parts, dioctyl terephthalate is 2 ~ 3 parts, the preparation method that described polyethylene strengthens strap is high-temperature fusion, extruding, mould molding, cooling, stretch.The polyethylene that the preparation method of this invention prepares strengthens strap and has extraordinary high temperature resistant feature and less unit elongation, but this strap does not solve the not good problem of wear resistance, photodegradation ability.
Summary of the invention:
The technical problem to be solved in the present invention is to provide a kind of preparation method of high performance PE strap masterbatch, and the strap masterbatch tool prepared has good wearability, photodegradation ability and thermotolerance.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A preparation method for novel high-performance PE strap masterbatch, comprises the following steps:
(1) peanut hull meal is crossed 300 mesh sieves with after shredder grinding, be placed in baking oven stirring soluble in water 10 minutes obtained mixed solutions after dry 5 hours, BP, MMA is soluble in water and mix obtained modification liquid, mixed solution is added modification liquid, logical nitrogen, to stir 20 minutes at 75 DEG C, continue stirring under microwave exposure 20 minutes, with absolute ethanol washing 5 times after discharging, be placed in vacuum drying oven dry 4 hours, obtain modified peanut powder for subsequent use;
(2) PE, polyphenylmethyl base silicone resin added in high-speed mixer mix 10 minutes, then add carbon black successively, modified peanut powder that step (1) obtains continues mixing 10 minutes, obtains compound;
(3) compound that step (2) obtains is added extruding pelletization in twin screw extruder, obtain pellet, the pellet obtained is put into injector injection molding, after discharging, at once uses water cooling, obtain high performance PE strap masterbatch.
Preferably, in step of the present invention (1), the weight ratio of peanut hull meal, BP, MMA is 5:1:5.
Preferably, in step of the present invention (1), the temperature of baking oven is 120 DEG C.
Preferably, in step of the present invention (1), the power of microwave exposure is 800W.
Preferably, in step of the present invention (1), the temperature of vacuum drying oven is 110 DEG C.
Preferably, in step of the present invention (2), by weight, PE 68-74 part, polyphenylmethyl base silicone resin 10-14 part, carbon black 8-10 part, modified peanut powder 8-10 part.
Preferably, in step of the present invention (2), the mixing temperature of high-speed mixer is 110 DEG C.
Preferably, in step of the present invention (3), the temperature in each district of twin screw extruder is respectively 195 DEG C, 205 DEG C, 215 DEG C, 220 DEG C, 210 DEG C.
Preferably, in step of the present invention (3), the injection pressure of injector is 60MPa, and injection temperature is 220 DEG C.
Preferably, in step of the present invention (3), the temperature of the water of cooling is 6 DEG C.
Compared with prior art, the present invention has following beneficial effect:
(1) peanut hull meal is the good rigid vegetation filler of a kind of mechanical property, microwave exposure through MMA is modified, hydroxyl on peanut hull meal and MMA define effective grafting, and MMA is mutually polymerized by vibration at high speed and produces PMMA under microwave action, result is at Surface coating one deck PMMA of peanut hull meal, consistency between PMMA and PE matrix is better, therefore modified peanut powder to can be uniformly dispersed in PE matrix and defines good interface cohesion by PMMA and PE, when strap receives external force friction, modified peanut powder preferentially can carry frrction load, greatly reduce the wearing and tearing of frrction load to PE matrix, effectively improve the wear resistance of strap masterbatch,
(2) polyphenylmethyl base silicone resin is a kind of modified organic silicone resin, there is good resistance toheat, and and PE between consistency better, the thermotolerance of strap masterbatch effectively can be improved after blended with PE, also containing inorganic group in the structure of polyphenylmethyl base silicone resin in addition, also better with the consistency of peanut hull meal, can further improve the consistency between peanut hull meal and PE;
(3) carbon black has excellent light shield effect, can be scattered in PE matrix well under the help of polyphenylmethyl base silicone resin, effectively improve its light-shielding property, improve the resistance to photodissociation ability of strap masterbatch, in addition, the mechanical property of carbon black is also better, effectively can improve the mechanical property of strap masterbatch, extend its work-ing life.
Embodiment:
Describe the present invention in detail below in conjunction with specific embodiment, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as a limitation of the invention.
Embodiment 1
A preparation method for novel high-performance PE strap masterbatch, comprises the following steps:
(1) peanut hull meal is crossed 300 mesh sieves with after shredder grinding, being placed in temperature is the baking oven of 120 DEG C stirring soluble in water 10 minutes obtained mixed solutions after dry 5 hours, by BP, MMA is soluble in water and mix obtained modification liquid, peanut hull meal, BP, the weight ratio of MMA is 5:1:5, mixed solution is added modification liquid, logical nitrogen, stir 20 minutes at 75 DEG C, stirring is continued 20 minutes under microwave exposure, the power of microwave exposure is 800W, absolute ethanol washing 5 times are used after discharging, be placed in dry 4 hours of the vacuum drying oven that temperature is 110 DEG C, obtain modified peanut powder for subsequent use,
(2) by weight, it is mix 10 minutes in the high-speed mixer of 110 DEG C that 69 parts of PE, 14 parts of polyphenylmethyl base silicone resins are added mixing temperature, add 9 parts of carbon blacks more successively, modified peanut powder that 8 parts of steps (1) obtain continues mixing 10 minutes, obtain compound;
(3) compound that step (2) obtains is added extruding pelletization in twin screw extruder, the temperature in each district of twin screw extruder is respectively 195 DEG C, 205 DEG C, 215 DEG C, 220 DEG C, 210 DEG C, obtain pellet, the pellet obtained is put into injector injection molding, the injection pressure of injector is 60MPa, injection temperature is 220 DEG C, at once with the water cooling that temperature is 6 DEG C after discharging, obtains high performance PE strap masterbatch.
Embodiment 2
A preparation method for novel high-performance PE strap masterbatch, comprises the following steps:
(1) peanut hull meal is crossed 300 mesh sieves with after shredder grinding, being placed in temperature is the baking oven of 120 DEG C stirring soluble in water 10 minutes obtained mixed solutions after dry 5 hours, by BP, MMA is soluble in water and mix obtained modification liquid, peanut hull meal, BP, the weight ratio of MMA is 5:1:5, mixed solution is added modification liquid, logical nitrogen, stir 20 minutes at 75 DEG C, stirring is continued 20 minutes under microwave exposure, the power of microwave exposure is 800W, absolute ethanol washing 5 times are used after discharging, be placed in dry 4 hours of the vacuum drying oven that temperature is 110 DEG C, obtain modified peanut powder for subsequent use,
(2) by weight, it is mix 10 minutes in the high-speed mixer of 110 DEG C that 70 parts of PE, 11 parts of polyphenylmethyl base silicone resins are added mixing temperature, add 10 parts of carbon blacks more successively, modified peanut powder that 9 parts of steps (1) obtain continues mixing 10 minutes, obtain compound;
(3) compound that step (2) obtains is added extruding pelletization in twin screw extruder, the temperature in each district of twin screw extruder is respectively 195 DEG C, 205 DEG C, 215 DEG C, 220 DEG C, 210 DEG C, obtain pellet, the pellet obtained is put into injector injection molding, the injection pressure of injector is 60MPa, injection temperature is 220 DEG C, at once with the water cooling that temperature is 6 DEG C after discharging, obtains high performance PE strap masterbatch.
Embodiment 3
A preparation method for novel high-performance PE strap masterbatch, comprises the following steps:
(1) peanut hull meal is crossed 300 mesh sieves with after shredder grinding, being placed in temperature is the baking oven of 120 DEG C stirring soluble in water 10 minutes obtained mixed solutions after dry 5 hours, by BP, MMA is soluble in water and mix obtained modification liquid, peanut hull meal, BP, the weight ratio of MMA is 5:1:5, mixed solution is added modification liquid, logical nitrogen, stir 20 minutes at 75 DEG C, stirring is continued 20 minutes under microwave exposure, the power of microwave exposure is 800W, absolute ethanol washing 5 times are used after discharging, be placed in dry 4 hours of the vacuum drying oven that temperature is 110 DEG C, obtain modified peanut powder for subsequent use,
(2) by weight, it is mix 10 minutes in the high-speed mixer of 110 DEG C that 74 parts of PE, 10 parts of polyphenylmethyl base silicone resins are added mixing temperature, add 8 parts of carbon blacks more successively, modified peanut powder that 8 parts of steps (1) obtain continues mixing 10 minutes, obtain compound;
(3) compound that step (2) obtains is added extruding pelletization in twin screw extruder, the temperature in each district of twin screw extruder is respectively 195 DEG C, 205 DEG C, 215 DEG C, 220 DEG C, 210 DEG C, obtain pellet, the pellet obtained is put into injector injection molding, the injection pressure of injector is 60MPa, injection temperature is 220 DEG C, at once with the water cooling that temperature is 6 DEG C after discharging, obtains high performance PE strap masterbatch.
Embodiment 4
A preparation method for novel high-performance PE strap masterbatch, comprises the following steps:
(1) peanut hull meal is crossed 300 mesh sieves with after shredder grinding, being placed in temperature is the baking oven of 120 DEG C stirring soluble in water 10 minutes obtained mixed solutions after dry 5 hours, by BP, MMA is soluble in water and mix obtained modification liquid, peanut hull meal, BP, the weight ratio of MMA is 5:1:5, mixed solution is added modification liquid, logical nitrogen, stir 20 minutes at 75 DEG C, stirring is continued 20 minutes under microwave exposure, the power of microwave exposure is 800W, absolute ethanol washing 5 times are used after discharging, be placed in dry 4 hours of the vacuum drying oven that temperature is 110 DEG C, obtain modified peanut powder for subsequent use,
(2) by weight, it is mix 10 minutes in the high-speed mixer of 110 DEG C that 68 parts of PE, 13 parts of polyphenylmethyl base silicone resins are added mixing temperature, add 9 parts of carbon blacks more successively, modified peanut powder that 10 parts of steps (1) obtain continues mixing 10 minutes, obtain compound;
(3) compound that step (2) obtains is added extruding pelletization in twin screw extruder, the temperature in each district of twin screw extruder is respectively 195 DEG C, 205 DEG C, 215 DEG C, 220 DEG C, 210 DEG C, obtain pellet, the pellet obtained is put into injector injection molding, the injection pressure of injector is 60MPa, injection temperature is 220 DEG C, at once with the water cooling that temperature is 6 DEG C after discharging, obtains high performance PE strap masterbatch.
Embodiment 5
A preparation method for novel high-performance PE strap masterbatch, comprises the following steps:
(1) peanut hull meal is crossed 300 mesh sieves with after shredder grinding, being placed in temperature is the baking oven of 120 DEG C stirring soluble in water 10 minutes obtained mixed solutions after dry 5 hours, by BP, MMA is soluble in water and mix obtained modification liquid, peanut hull meal, BP, the weight ratio of MMA is 5:1:5, mixed solution is added modification liquid, logical nitrogen, stir 20 minutes at 75 DEG C, stirring is continued 20 minutes under microwave exposure, the power of microwave exposure is 800W, absolute ethanol washing 5 times are used after discharging, be placed in dry 4 hours of the vacuum drying oven that temperature is 110 DEG C, obtain modified peanut powder for subsequent use,
(2) by weight, it is mix 10 minutes in the high-speed mixer of 110 DEG C that 71 parts of PE, 12 parts of polyphenylmethyl base silicone resins are added mixing temperature, add 8.5 parts of carbon blacks more successively, modified peanut powder that 8.5 parts of steps (1) obtain continues mixing 10 minutes, obtain compound;
(3) compound that step (2) obtains is added extruding pelletization in twin screw extruder, the temperature in each district of twin screw extruder is respectively 195 DEG C, 205 DEG C, 215 DEG C, 220 DEG C, 210 DEG C, obtain pellet, the pellet obtained is put into injector injection molding, the injection pressure of injector is 60MPa, injection temperature is 220 DEG C, at once with the water cooling that temperature is 6 DEG C after discharging, obtains high performance PE strap masterbatch.
Embodiment 6
A preparation method for novel high-performance PE strap masterbatch, comprises the following steps:
(1) peanut hull meal is crossed 300 mesh sieves with after shredder grinding, being placed in temperature is the baking oven of 120 DEG C stirring soluble in water 10 minutes obtained mixed solutions after dry 5 hours, by BP, MMA is soluble in water and mix obtained modification liquid, peanut hull meal, BP, the weight ratio of MMA is 5:1:5, mixed solution is added modification liquid, logical nitrogen, stir 20 minutes at 75 DEG C, stirring is continued 20 minutes under microwave exposure, the power of microwave exposure is 800W, absolute ethanol washing 5 times are used after discharging, be placed in dry 4 hours of the vacuum drying oven that temperature is 110 DEG C, obtain modified peanut powder for subsequent use,
(2) by weight, it is mix 10 minutes in the high-speed mixer of 110 DEG C that 70.5 parts of PE, 10.5 parts of polyphenylmethyl base silicone resins are added mixing temperature, add 9.5 parts of carbon blacks more successively, modified peanut powder that 9.5 parts of steps (1) obtain continues mixing 10 minutes, obtain compound;
(3) compound that step (2) obtains is added extruding pelletization in twin screw extruder, the temperature in each district of twin screw extruder is respectively 195 DEG C, 205 DEG C, 215 DEG C, 220 DEG C, 210 DEG C, obtain pellet, the pellet obtained is put into injector injection molding, the injection pressure of injector is 60MPa, injection temperature is 220 DEG C, at once with the water cooling that temperature is 6 DEG C after discharging, obtains high performance PE strap masterbatch.
After tested, the strap masterbatch that embodiment 1-6 obtains and the wear resistance of comparative example, photodegradation ability and thermotolerance as shown in the table, wherein,
The Chinese patent of comparative example to be publication number be 104119592A,
Wear resistance is tested according to GB3690-83 method,
Resistance to photodissociation aptitude tests process is: be that the ultraviolet lamp of 254nm carries out irradiation to determinand with γ, test its every mechanical property conservation rate after 40 hours,
Thermotolerance is tested according to GB/T 1634-2004:
As seen from the above table, the frictional coefficient of the strap masterbatch that the present invention obtains, stretching strength retentivity, flexural strength conservation rate, heat-drawn wire are all better than comparative example, show good wear resistance, photodegradation ability and thermotolerance.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. a preparation method for novel high-performance PE strap masterbatch, is characterized in that: comprise the following steps:
(1) peanut hull meal is crossed 300 mesh sieves with after shredder grinding, be placed in baking oven stirring soluble in water 10 minutes obtained mixed solutions after dry 5 hours, BP, MMA is soluble in water and mix obtained modification liquid, mixed solution is added modification liquid, logical nitrogen, to stir 20 minutes at 75 DEG C, continue stirring under microwave exposure 20 minutes, with absolute ethanol washing 5 times after discharging, be placed in vacuum drying oven dry 4 hours, obtain modified peanut powder for subsequent use;
(2) PE, polyphenylmethyl base silicone resin added in high-speed mixer mix 10 minutes, then add carbon black successively, modified peanut powder that step (1) obtains continues mixing 10 minutes, obtains compound;
(3) compound that step (2) obtains is added extruding pelletization in twin screw extruder, obtain pellet, the pellet obtained is put into injector injection molding, after discharging, at once uses water cooling, obtain high performance PE strap masterbatch.
2. the preparation method of a kind of novel high-performance PE strap masterbatch according to claim 1, it is characterized in that: in described step (1), the weight ratio of peanut hull meal, BP, MMA is 5:1:5.
3. the preparation method of a kind of novel high-performance PE strap masterbatch according to claim 1, it is characterized in that: in described step (1), the temperature of baking oven is 120 DEG C.
4. the preparation method of a kind of novel high-performance PE strap masterbatch according to claim 1, it is characterized in that: in described step (1), the power of microwave exposure is 800W.
5. the preparation method of a kind of novel high-performance PE strap masterbatch according to claim 1, it is characterized in that: in described step (1), the temperature of vacuum drying oven is 110 DEG C.
6. the preparation method of a kind of novel high-performance PE strap masterbatch according to claim 1, is characterized in that: in described step (2), by weight, PE 68-74 part, polyphenylmethyl base silicone resin 10-14 part, carbon black 8-10 part, modified peanut powder 8-10 part.
7. the preparation method of a kind of novel high-performance PE strap masterbatch according to claim 1, it is characterized in that: in described step (2), the mixing temperature of high-speed mixer is 110 DEG C.
8. the preparation method of a kind of novel high-performance PE strap masterbatch according to claim 1, it is characterized in that: in described step (3), the temperature in each district of twin screw extruder is respectively 195 DEG C, 205 DEG C, 215 DEG C, 220 DEG C, 210 DEG C.
9. the preparation method of a kind of novel high-performance PE strap masterbatch according to claim 1, it is characterized in that: in described step (3), the injection pressure of injector is 60MPa, and injection temperature is 220 DEG C.
10. the preparation method of a kind of novel high-performance PE strap masterbatch according to claim 1, is characterized in that: in described step (3), and the temperature of the water of cooling is 6 DEG C.
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| CN104448567A (en) * | 2014-12-22 | 2015-03-25 | 河北科技大学 | Method for improving mechanical performance of composite material by grafting hyperbranched polyamide on plant fiber surface |
| CN104629396A (en) * | 2015-01-14 | 2015-05-20 | 安徽耐科挤出科技股份有限公司 | High-weather-resistance environment-friendly wood-plastic composite material and preparation method thereof |
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Application publication date: 20150909 |