CN108976611A - A kind of modified polypropylene plastic with rock-steady structure - Google Patents
A kind of modified polypropylene plastic with rock-steady structure 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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- 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
- C08K2201/011—Nanostructured additives
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- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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Abstract
The present invention relates to new function material technical fields, disclose a kind of modified polypropylene plastic with rock-steady structure, using polypropylene granules as major ingredient, addition high density polyethylene (HDPE) improves its resistant of high or low temperature, filler exists in the form of intercalation, play a dual role of toughening and enhancing, when being polypropylene granules melt blending using the nano modifier being prepared, it is grafted on polypropylene macromolecular chain, it overcomes since there are unstable tertiary carbon atoms in this body structure of acrylic resin, it is extremely sensitive to illumination, so that be prepared polypropylene plastics product loss of properties on aging the problem of, significantly extend the service life of polypropylene plastics, the tensile strength of plastics, impact strength, the mechanical properties such as bending strength get a promotion, and the appearance and physical mechanical property of plastic products obtain ensureing for a long time.
Description
Technical field
The invention belongs to new function material technical fields, and in particular to a kind of modified polypropene modeling with rock-steady structure
Material.
Background technique
Polypropylene plastics be polymerize as propylene monomer prepared by a kind of thermoplastic resin be base stock, be added certain
What additive was prepared.There are isotactic object, random object and rule three kinds of configurations of object, industrial products are using isotactic object as main component.
Polypropylene is also including the copolymer of propylene and a small amount of ethylene.Usually translucent colorless solid is odorless nontoxic.Due to structure
Regular and highly crystallized, therefore fusing point is up to 167 DEG C, heat-resisting, product can be its outstanding advantages with moise-heat sterilization.Density 0.90g/
Cm3 is most light general-purpose plastics.Corrosion-resistant, tensile strength 30MPa, intensity, rigidity and the transparency are all better than polyethylene.Disadvantage
It is that low-temperature impact resistance is poor, it is more easy to aging.
It is extremely sensitive to illumination since there are unstable tertiary carbon atoms in this body structure of acrylic resin, so that preparation
Obtained polypropylene plastics product loss of properties on aging, is easy to happen the aging phenomena such as embrittlement, thermo-color in the high temperature environment,
Under acid or alkali environment effect, material property deterioration is more accelerated.Therefore acrylic resin need to prevent for a long time in use heat,
The destruction of light, oxygen, soda acid etc., limits its scope of application, so that the service performance and service life of acrylic resin obtain
Less than raising.
Summary of the invention
The purpose of the present invention is providing a kind of modified polypropylene plastic with rock-steady structure for existing problem,
It overcomes since there are unstable tertiary carbon atoms in this body structure of acrylic resin, it is extremely sensitive to illumination, so that being prepared into
The problem of polypropylene plastics product loss of properties on aging arrived, significantly extend the service life of polypropylene plastics.
The present invention is achieved by the following technical solutions:
A kind of modified polypropylene plastic with rock-steady structure, is made of following component: polypropylene granules in parts by weight
180-185 parts, 22-25 parts of high density polyethylene (HDPE), 18-20 parts of adipate ester, 6.0-7.0 parts of methacrylate second diester, receive
Rice 0.58-0.60 parts of modifying agent, 3.0-4.0 parts of calcium carbonate, 1.5-2.0 parts of talcum powder, 0.7-0.8 parts of light stabilizer, it is described to receive
Rice modifying agent preparation method the following steps are included:
(1) 1.55-1.58 grams of zinc acetate is weighed, is added in beaker, 35-40 milliliters of ethanol solutions is poured into beaker, by beaker
It is placed in magnetic stirring apparatus and stirs, revolving speed is 400-450 revs/min, after stirring 10-15 minutes, is added 0.3-0.4 grams 16
Alkyl trimethyl ammonium bromide continues stirring 25-35 minutes；
(2) the stirring mixture that step (1) obtains is transferred in the reaction kettle of polytetrafluoroethyllining lining, is placed in heating furnace anti-
It answers, setting reaction temperature is 135-140 DEG C, and the reaction time is 12-14 hours, cools to room temperature with the furnace after reaction, is taken out
Reactant is centrifuged, and obtains precipitated product and successively uses deionized water and ethanol washing 3-4 times, is subsequently placed in 60-70
It is 8-10 hours dry in DEG C baking oven, obtain flower-like nanometer zinc oxide；
(3) the flower-like nanometer zinc oxide being prepared is added in four-hole boiling flask, it is molten that 20-25 milliliters of acetone is added into flask
Liquid, mechanical stirring are uniformly mixed, and 1.8-2.0 milliliter 3,3- dimethylhexane is then added, and heating is heated to 75-80 DEG C, heat preservation
It is stirred to react 2-3 hours, naturally cools to 20-25 DEG C, filtered the reactant to obtain solid product and be placed in 80-90 DEG C of vacuum
Obtain the nano modifier within dry 6-8 hours in drying box.
It is further described as to above scheme, the flower-like nanometer zinc oxide partial size that the step (2) is prepared is big
It is small between 10-60 nanometers.
Further described as to above scheme, the modified polypropylene plastic the preparation method comprises the following steps: each material is pressed
It is added twin-screw extrude according to parts by weight and carries out melting extrusion granulation, melting heating temperature is 200-210 DEG C, twin-screw extrusion
The area Ji Zhongge temperature are as follows: area's temperature is in 175-178 DEG C of range, and two area's temperature are in 183-185 DEG C of range, and three area's temperature are in 188-
190 DEG C of ranges, head temperature are done in 170-173 DEG C of range, by the modified polypropene pellet being prepared in 70-80 DEG C of air blast
In dry case after drying 12-15 hours, injection molding in injection molding machine can be sent into.
It is further described as to above scheme, the polypropylene granules are melted adding twin-screw extrude
It need to be dried 5-6 hours at 110-115 DEG C before extrusion.
Further described as to above scheme, in the double screw extruder screw diameter in 18-20 millimeters of ranges,
Engine speed is 120-130 revs/min.
It is further described as to above scheme, the calcium carbonate and talcum powder particle size are in 1.0-5.0 micron
Between.
The present invention is resistance to old caused by being had the advantage that compared with prior art in order to solve existing acrylic resin structural instability
Change the problem of performance deficiency, the present invention provides a kind of modified polypropylene plastics with rock-steady structure, are with polypropylene granules
Major ingredient, addition high density polyethylene (HDPE) improve its resistant of high or low temperature, and filler exists in the form of intercalation, play pair of toughening and enhancing
Recast is used, and when being polypropylene granules melt blending using the nano modifier being prepared, is grafted to polypropylene macromolecular chain
On, it overcomes since there are unstable tertiary carbon atoms in this body structure of acrylic resin, it is extremely sensitive to illumination, so that preparation
The problem of obtained polypropylene plastics product loss of properties on aging, the service life of polypropylene plastics is significantly extended, plastics
The mechanical properties such as tensile strength, impact strength, bending strength get a promotion, and the appearance and physical mechanical property of plastic products
It obtains ensureing for a long time, it is unstable that the polypropylene plastics that modification of the present invention is prepared solves existing acrylic resin structure
The problem of ageing-resistant performance deficiency, keeps higher mechanical stability caused by fixed, taken into account polypropylene plastics resistance to ag(e)ing with
The promotion of mechanical property improves the development and utilization of polypropylene plastics, can be realized extend polypropylene plastics service life and
The realistic meaning for extending its suitable application area is a kind of technical solution being extremely worth of widely use.
Specific embodiment
To make the purpose of the present invention, technical solution and effect clearer, clear and definite, combined with specific embodiments below to this hair
It is bright to be described further, it should be understood that the specific embodiments described herein are merely illustrative of the present invention, is not used to limit
Technical solution provided by the present invention.
Embodiment 1
A kind of modified polypropylene plastic with rock-steady structure, is made of following component in parts by weight: polypropylene granules 180
Part, 22 parts of high density polyethylene (HDPE), 18 parts of adipate ester, 6.0 parts of methacrylate second diester, 0.58 part of nano modifier, carbon
3.0 parts of sour calcium, 1.5 parts of talcum powder, 0.7 part of light stabilizer, the preparation method of the nano modifier the following steps are included:
(1) 1.55 grams of zinc acetates are weighed, is added in beaker, 35 milliliters of ethanol solutions is poured into beaker, place the beaker magnetic force
It being stirred in agitating device, revolving speed is 400 revs/min, and after ten minutes, 0.3 gram of cetyl trimethylammonium bromide is added in stirring, after
Continuous stirring 25 minutes；
(2) the stirring mixture that step (1) obtains is transferred in the reaction kettle of polytetrafluoroethyllining lining, is placed in heating furnace anti-
It answers, setting reaction temperature is 135 DEG C, and the reaction time is 12 hours, cools to room temperature with the furnace after reaction, reactant is taken out,
It is centrifuged, obtains precipitated product and successively use deionized water and ethanol washing 3 times, be subsequently placed in 60 DEG C of baking ovens dry
8 hours, obtain flower-like nanometer zinc oxide；
(3) the flower-like nanometer zinc oxide being prepared is added in four-hole boiling flask, 20 milliliters of acetone solns is added into flask,
Mechanical stirring is uniformly mixed, and 1.8 milliliters of 3,3- dimethylhexanes are then added, and heating is heated to 75 DEG C, and insulated and stirred reaction 2 is small
When, 20 DEG C are naturally cooled to, reactant is filtered to obtain solid product and is placed in 80 DEG C of vacuum ovens dry 6 hours i.e.
Obtain the nano modifier.
It is further described as to above scheme, the flower-like nanometer zinc oxide partial size that the step (2) is prepared is big
It is small between 10-60 nanometers.
Further described as to above scheme, the modified polypropylene plastic the preparation method comprises the following steps: each material is pressed
It is added twin-screw extrude according to parts by weight and carries out melting extrusion granulation, melting heating temperature is 200 DEG C, in double screw extruder
Each area's temperature are as follows: area's temperature is in 175-178 DEG C of range, and two area's temperature are in 183-185 DEG C of range, and three area's temperature are in 188-190
DEG C range, head temperature is in 170-173 DEG C of range, by the modified polypropene pellet being prepared in 70 DEG C of air dry oven
After 12 hours dry, injection molding in injection molding machine can be sent into.
It is further described as to above scheme, the polypropylene granules are melted adding twin-screw extrude
It need to be dried 5 hours at 110 DEG C before extrusion.
Further described as to above scheme, in the double screw extruder screw diameter in 18-20 millimeters of ranges,
Engine speed is 120 revs/min.
It is further described as to above scheme, the calcium carbonate and talcum powder particle size are in 1.0-5.0 micron
Between.
Embodiment 2
A kind of modified polypropylene plastic with rock-steady structure, is made of following component in parts by weight: polypropylene granules 182
Part, 23 parts of high density polyethylene (HDPE), 19 parts of adipate ester, 6.5 parts of methacrylate second diester, 0.59 part of nano modifier, carbon
3.5 parts of sour calcium, 1.8 parts of talcum powder, 0.75 part of light stabilizer, the preparation method of the nano modifier the following steps are included:
(1) 1.56 grams of zinc acetates are weighed, is added in beaker, 38 milliliters of ethanol solutions is poured into beaker, place the beaker magnetic force
It being stirred in agitating device, revolving speed is 430 revs/min, after stirring 12 minutes, 0.35 gram of cetyl trimethylammonium bromide is added,
Continue stirring 30 minutes；
(2) the stirring mixture that step (1) obtains is transferred in the reaction kettle of polytetrafluoroethyllining lining, is placed in heating furnace anti-
It answers, setting reaction temperature is 138 DEG C, and the reaction time is 13 hours, cools to room temperature with the furnace after reaction, reactant is taken out,
It is centrifuged, obtains precipitated product and successively use deionized water and ethanol washing 3 times, be subsequently placed in 65 DEG C of baking ovens dry
9 hours, obtain flower-like nanometer zinc oxide；
(3) the flower-like nanometer zinc oxide being prepared is added in four-hole boiling flask, 23 milliliters of acetone solns is added into flask,
Mechanical stirring is uniformly mixed, and 1.9 milliliters of 3,3- dimethylhexanes are then added, and heating is heated to 78 DEG C, insulated and stirred reaction 2.5
Hour, naturally cool to 22 DEG C, by reactant filtered to obtain solid product be placed in 85 DEG C of vacuum ovens it is 7 hours dry
Obtain the nano modifier.
It is further described as to above scheme, the flower-like nanometer zinc oxide partial size that the step (2) is prepared is big
It is small between 10-60 nanometers.
Further described as to above scheme, the modified polypropylene plastic the preparation method comprises the following steps: each material is pressed
It is added twin-screw extrude according to parts by weight and carries out melting extrusion granulation, melting heating temperature is 205 DEG C, in double screw extruder
Each area's temperature are as follows: area's temperature is in 175-178 DEG C of range, and two area's temperature are in 183-185 DEG C of range, and three area's temperature are in 188-190
DEG C range, head temperature is in 170-173 DEG C of range, by the modified polypropene pellet being prepared in 75 DEG C of air dry oven
After 13 hours dry, injection molding in injection molding machine can be sent into.
It is further described as to above scheme, the polypropylene granules are melted adding twin-screw extrude
It need to be dried 5.5 hours at 113 DEG C before extrusion.
Further described as to above scheme, in the double screw extruder screw diameter in 18-20 millimeters of ranges,
Engine speed is 125 revs/min.
It is further described as to above scheme, the calcium carbonate and talcum powder particle size are in 1.0-5.0 micron
Between.
Embodiment 3
A kind of modified polypropylene plastic with rock-steady structure, is made of following component in parts by weight: polypropylene granules 185
Part, 25 parts of high density polyethylene (HDPE), 20 parts of adipate ester, 7.0 parts of methacrylate second diester, 0.60 part of nano modifier, carbon
4.0 parts of sour calcium, 2.0 parts of talcum powder, 0.8 part of light stabilizer, the preparation method of the nano modifier the following steps are included:
(1) 1.58 grams of zinc acetates are weighed, is added in beaker, 40 milliliters of ethanol solutions is poured into beaker, place the beaker magnetic force
It being stirred in agitating device, revolving speed is 450 revs/min, after stirring 15 minutes, 0.4 gram of cetyl trimethylammonium bromide is added, after
Continuous stirring 35 minutes；
(2) the stirring mixture that step (1) obtains is transferred in the reaction kettle of polytetrafluoroethyllining lining, is placed in heating furnace anti-
It answers, setting reaction temperature is 140 DEG C, and the reaction time is 14 hours, cools to room temperature with the furnace after reaction, reactant is taken out,
It is centrifuged, obtains precipitated product and successively use deionized water and ethanol washing 4 times, be subsequently placed in 70 DEG C of baking ovens dry
10 hours, obtain flower-like nanometer zinc oxide；
(3) the flower-like nanometer zinc oxide being prepared is added in four-hole boiling flask, 25 milliliters of acetone solns is added into flask,
Mechanical stirring is uniformly mixed, and 2.0 milliliters of 3,3- dimethylhexanes are then added, and heating is heated to 80 DEG C, and insulated and stirred reaction 3 is small
When, 25 DEG C are naturally cooled to, reactant is filtered to obtain solid product and is placed in 90 DEG C of vacuum ovens dry 8 hours i.e.
Obtain the nano modifier.
It is further described as to above scheme, the flower-like nanometer zinc oxide partial size that the step (2) is prepared is big
It is small between 10-60 nanometers.
Further described as to above scheme, the modified polypropylene plastic the preparation method comprises the following steps: each material is pressed
It is added twin-screw extrude according to parts by weight and carries out melting extrusion granulation, melting heating temperature is 210 DEG C, in double screw extruder
Each area's temperature are as follows: area's temperature is in 175-178 DEG C of range, and two area's temperature are in 183-185 DEG C of range, and three area's temperature are in 188-190
DEG C range, head temperature is in 170-173 DEG C of range, by the modified polypropene pellet being prepared in 80 DEG C of air dry oven
After 15 hours dry, injection molding in injection molding machine can be sent into.
It is further described as to above scheme, the polypropylene granules are melted adding twin-screw extrude
It need to be dried 6 hours at 115 DEG C before extrusion.
Further described as to above scheme, in the double screw extruder screw diameter in 18-20 millimeters of ranges,
Engine speed is 130 revs/min.
It is further described as to above scheme, the calcium carbonate and talcum powder particle size are in 1.0-5.0 micron
Between.
Comparative example 1
Difference with embodiment 1 is only that modified polypropylene plastic is prepared in raw material, and the preparation for omitting the nano modifier adds
Add, remaining is consistent.
Comparative example 2
Difference with embodiment 2 is only that the nano zine oxide using particle size in 10-50 nanometer range replaces the nanometer
Modifying agent, remaining is consistent.
Comparative example 3
Difference with embodiment 3 is only that, in the nano modifier preparation, omits cetyl trimethyl bromine in step (1)
Change the addition of ammonium, remaining is consistent.
Comparative example 4
Difference with embodiment 3 is only that, in the nano modifier preparation, step (2) reaction temperature is 160 DEG C, when reaction
Between be 8 hours, remaining is consistent.
Comparative example 5
Difference with embodiment 3 is only that, in the nano modifier preparation, omits 3,3- dimethylhexane in step (3)
Addition is replaced using the KH570 silane coupling agent of equivalent, remaining is consistent.
Comparative example 6
Difference with embodiment 3 is only that modified polypropylene plastic is prepared in raw material, and the additive amount of high density polyethylene (HDPE) is poly- third
The 35% of alkene pellet mass, remaining is consistent.
Comparative experiments
There is the modified polypropylene plastic of rock-steady structure using the method preparation of embodiment 1-3 and comparative example 1-6 respectively, with patent
The method that polypropylene toughness-increasing modified dose of one kind disclosed in Publication No. CN102977456B and its polypropylene modification product are related to
As a control group, polypropylene plastics is prepared according to each group method processing, each group preparation materials raw material is identical, simulation artificial ageing examination
It tests, ageing-resistant performance comparison, accelerated aging test reference standard GB/T is carried out to the polypropylene plastics being prepared
16422.3；Test is operated by the test procedure of Z-UV ultraviolet aging test chamber, polypropylene plastics monofilament sample point
Be not wound on aluminium sheet, around when notice that adjacent filaments cannot be overlapped, in order to avoid influence aging effect, then template is fixed in order
It is operated on ageing oven specimen holder, carrying out Continuous irradiation, (exposure chamber is to irradiate 10 h at 70 DEG C ± 2 DEG C, at 60 DEG C ± 2 DEG C
H) without irradiation condensation exposure 5, the sample that degradation obtains is both needed to balance 48 hours in standard laboratory, then carries out mechanics
Performance test, keep test in irrelevant variable it is consistent, count effective average value, as a result as shown in the table:
| Project | Notch impact strength (kJ/m at 50 DEG C2) | Notch impact strength (kJ/m at -30 DEG C2) | 30 DEG C of Tensile strengths (MPa) | Bending modulus improves (%) |
| Embodiment 1 | 43.3 | 16.6 | 41.0 | 56 |
| Embodiment 2 | 43.5 | 16.8 | 41.3 | 59 |
| Embodiment 3 | 43.4 | 16.7 | 41.1 | 58 |
| Comparative example 1 | 28.5 | 5.9 | 29.5 | 12 |
| Comparative example 2 | 34.7 | 9.3 | 33.2 | 30 |
| Comparative example 3 | 37.5 | 11.7 | 35.4 | 42 |
| Comparative example 4 | 40.2 | 14.1 | 38.0 | 53 |
| Comparative example 5 | 38.2 | 12.0 | 36.5 | 45 |
| Comparative example 6 | 39.6 | 13.4 | 37.8 | 48 |
| Control group | 27.9 | 5.3 | 26.4 | Control |
(tensile property is tested by GB/T1040-2006, and specimen shape is dumbbell shape, rate of extension 5O mm/min.Impact property
It is tested by GB/T1843-1996, notch depth is 1 mm, and Charpy impact energy is 1.000J)
The polypropylene plastics that modification of the present invention is prepared solves resistance to caused by existing acrylic resin structural instability
The problem of ageing properties deficiency, keeps higher mechanical stability, has taken into account polypropylene plastics resistance to ag(e)ing and mechanical property
It is promoted, improves the development and utilization of polypropylene plastics, can be realized extension polypropylene plastics service life and extend it and is applicable
The realistic meaning in field is a kind of technical solution being extremely worth of widely use.
Claims (6)
1. a kind of modified polypropylene plastic with rock-steady structure, which is characterized in that be made in parts by weight of following component:
180-185 parts of polypropylene granules, 22-25 parts of high density polyethylene (HDPE), 18-20 parts of adipate ester, methacrylate second diester
6.0-7.0 parts, 0.58-0.60 parts of nano modifier, 3.0-4.0 parts of calcium carbonate, 1.5-2.0 parts of talcum powder, light stabilizer 0.7-
0.8 part, the preparation method of the nano modifier the following steps are included:
(1) 1.55-1.58 grams of zinc acetate is weighed, is added in beaker, 35-40 milliliters of ethanol solutions is poured into beaker, by beaker
It is placed in magnetic stirring apparatus and stirs, revolving speed is 400-450 revs/min, after stirring 10-15 minutes, is added 0.3-0.4 grams 16
Alkyl trimethyl ammonium bromide continues stirring 25-35 minutes；
(2) the stirring mixture that step (1) obtains is transferred in the reaction kettle of polytetrafluoroethyllining lining, is placed in heating furnace anti-
It answers, setting reaction temperature is 135-140 DEG C, and the reaction time is 12-14 hours, cools to room temperature with the furnace after reaction, is taken out
Reactant is centrifuged, and obtains precipitated product and successively uses deionized water and ethanol washing 3-4 times, is subsequently placed in 60-70
It is 8-10 hours dry in DEG C baking oven, obtain flower-like nanometer zinc oxide；
(3) the flower-like nanometer zinc oxide being prepared is added in four-hole boiling flask, it is molten that 20-25 milliliters of acetone is added into flask
Liquid, mechanical stirring are uniformly mixed, and 1.8-2.0 milliliter 3,3- dimethylhexane is then added, and heating is heated to 75-80 DEG C, heat preservation
It is stirred to react 2-3 hours, naturally cools to 20-25 DEG C, filtered the reactant to obtain solid product and be placed in 80-90 DEG C of vacuum
Obtain the nano modifier within dry 6-8 hours in drying box.
2. a kind of modified polypropylene plastic with rock-steady structure as described in claim 1, which is characterized in that the step (2)
The flower-like nanometer zinc oxide particle size being prepared is between 10-60 nanometers.
3. a kind of modified polypropylene plastic with rock-steady structure as described in claim 1, which is characterized in that the modification poly- third
Alkene plastics carry out melting extrusion granulation the preparation method comprises the following steps: each material is added twin-screw extrude according to parts by weight, melting
Heating temperature is 200-210 DEG C, the area double screw extruder Zhong Ge temperature are as follows: area's temperature is in 175-178 DEG C of range, two area's temperature
In 183-185 DEG C of range, three area's temperature are in 188-190 DEG C of range, and head temperature is in 170-173 DEG C of range, by what is be prepared
After modified polypropene pellet is 12-15 hours dry in 70-80 DEG C of air dry oven, it can be sent into injection molding machine and be molded into
Type.
4. a kind of modified polypropylene plastic with rock-steady structure as claimed in claim 3, which is characterized in that the polypropylene grain
Material need to be dried 5-6 hours before adding twin-screw extrude progress melting extrusion at 110-115 DEG C.
5. a kind of modified polypropylene plastic with rock-steady structure as claimed in claim 3, which is characterized in that the twin-screw squeezes
For screw diameter in 18-20 millimeters of ranges, engine speed is 120-130 revs/min in machine out.
6. a kind of modified polypropylene plastic with rock-steady structure as described in claim 1, which is characterized in that the calcium carbonate and
Talcum powder particle size is between 1.0-5.0 microns.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110885496A (en) * | 2019-12-17 | 2020-03-17 | 苏州度辰新材料有限公司 | Antistatic heat-conducting polyolefin composition and preparation method thereof |
Citations (3)
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| WO2006125036A2 (en) * | 2005-05-17 | 2006-11-23 | Exxonmobil Research And Engineering Company | Cloth-like fiber reinforced polypropylene compositions and method of making thereof |
| CN101591037A (en) * | 2009-07-03 | 2009-12-02 | 北京化工大学 | A kind of one-dimensional zinc oxide nanometer material and preparation method thereof |
| CN105218951A (en) * | 2015-09-22 | 2016-01-06 | 苏州润佳工程塑料股份有限公司 | A kind of low-shrinkage modified polypropylene material |
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| WO2006125036A2 (en) * | 2005-05-17 | 2006-11-23 | Exxonmobil Research And Engineering Company | Cloth-like fiber reinforced polypropylene compositions and method of making thereof |
| CN101591037A (en) * | 2009-07-03 | 2009-12-02 | 北京化工大学 | A kind of one-dimensional zinc oxide nanometer material and preparation method thereof |
| CN105218951A (en) * | 2015-09-22 | 2016-01-06 | 苏州润佳工程塑料股份有限公司 | A kind of low-shrinkage modified polypropylene material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110885496A (en) * | 2019-12-17 | 2020-03-17 | 苏州度辰新材料有限公司 | Antistatic heat-conducting polyolefin composition and preparation method thereof |
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