CN103450557B - A kind of preparation method of polypropylene PP nano level enhancing modified particle - Google Patents
A kind of preparation method of polypropylene PP nano level enhancing modified particle Download PDFInfo
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- CN103450557B CN103450557B CN201310028555.2A CN201310028555A CN103450557B CN 103450557 B CN103450557 B CN 103450557B CN 201310028555 A CN201310028555 A CN 201310028555A CN 103450557 B CN103450557 B CN 103450557B
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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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- 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
- B29C48/36—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
A preparation method for polypropylene PP nano level enhancing modified particle, belongs to Polymer materialspreparation method field, particularly relate to a kind of for the production of in, add the preparation method of the nano level enhancing modified particle in polypropylene PP plastics to.Method of the present invention be by polypropylene PP, nano-calcium carbonate, coupling agent, tensio-active agent, expanding material, lubricant by a certain percentage, order to join in kneader (temperature 105 DEG C ~ 115 DEG C) and is uniformly mixed, through twin screw extruder extruding pelletization.This modified particles is joined according to a certain percentage in polypropylene PP, the toughness of polypropylene PP, intensity, hardness, processing characteristics are all improved.Modified particles of the present invention, modified effect is obvious, easy to use, and be all a kind of excellent interpolation auxiliary agent concerning small-sized manufacturing enterprise or large-scale processing enterprise, market range of application is extremely wide.
Description
Technical field
The invention belongs to Polymer materialspreparation method field, particularly relate to a kind of for the production of in, add the preparation method of the nano level enhancing modified particle in polypropylene PP plastics to.
Background technology
Polypropylene (PP) is a kind of thermoplastics of excellent combination property, applies very extensive.PP good processability, and yield strength, tensile strength, surface hardness are more excellent, and have outstanding stress cracking resistance and wear resistance, be widely used in the industries such as automobile, household electrical appliance, building.But the shortcoming such as PP also exists poor toughness and mechanical property is lower, is greatly limited when using as structured material.
Patent No. CN102241860A, a kind of Reinforced Polypropylene material and preparation method thereof, be with polypropylene and glass fibre for major ingredient, be aided with the polypropylene compatilizer of specified proportion, nucleator, lubricant and oxidation inhibitor, improve shock strength, and there is outstanding surface smoothness.But glass fibre to carry out source range little, and alkalescence is subject to certain restriction by force in PP application.
The preparation of polymer composites realizes one of high performance important channel of polymer materials.Need badly in the middle of prior art and will go out a kind of PP nano level enhancing modified particle with regard to the high performance study on the modification of PP, a kind of method preparing enhancing modified particle, the method can produce has higher toughness, polypropylene (PP) modified particles compared with low strength and hardness, this modified particles is joined in PP according to a certain percentage, the toughness of PP, intensity, hardness, processing characteristics are all had some improvement.
Summary of the invention
The technical problem that the present invention solves is: provide a kind of modified particles that can improve PP processing characteristics, adopt nano-calcium carbonate the most frequently used to be on the market auxiliary material.The method be by PP, nano-calcium carbonate, coupling agent, tensio-active agent, expanding material, lubricant by a certain percentage, order to join in kneader (temperature 105 DEG C ~ 115 DEG C) and is uniformly mixed, through twin screw extruder extruding pelletization.
A kind of preparation method of polypropylene PP nano level enhancing modified particle, it is characterized in that: the concrete material component preparing this modified particles is by weight ratio, polypropylene PP10% ~ 20%, nano-calcium carbonate 65% ~ 80%, coupling agent is organic boron, organosilicon, any one in Aluminate, and coupling agent accounts for 0.5% ~ 2.0%, tensio-active agent Yelkin TTS, one or both in trimethyl-glycine, and tensio-active agent accounts for 0.5% ~ 2.0%, expanding material is aluminium maleic anhydride, and expanding material accounts for 0.1% ~ 0.5%, lubricant is methyl-silicone oil, any one of oxidized polyethlene wax OPE, and lubricant accounts for 0.5% ~ 1.5%,
Comprise the following steps:
Step one, to be joined in kneader by nano-calcium carbonate and carry out mixing 3min ~ 5min with the speed of 300 revs/min ~ 500 revs/min, kneader temperature controls at 105 DEG C ~ 115 DEG C;
Step 2, tensio-active agent and expanding material, lubricant are joined step one dry in complete nano-calcium carbonate, with the speed of 500 revs/min ~ 800 revs/min mixing 5min ~ 10min;
Step 3, polypropylene PP and coupling agent are added in step 2 in the nano-calcium carbonate of surface activation process, with the speed of 500 revs/min ~ 800 revs/min mixing 3min ~ 5min;
Step 4, then mixed raw material is placed in twin screw extruder and carries out melting, and extrude air-dry granulation, the each zone temperature of double-screw extruding machine barrel used should remain on 190 DEG C ~ 195 DEG C, and screw speed is 35r/min, can obtain a kind of polypropylene PP nano level enhancing modified particle.
Described polypropylene PP is homopolymer or multipolymer.The particle diameter of described nano-calcium carbonate is between 20nm ~ 200nm.Described polypropylene PP nano level enhancing modified particle, proportionally 10% ~ 20% to add in polypropylene PP plastics when producing.
Beneficial effect: only need add according to a certain percentage when the processing of this PP modified particles uses and add in PP, all can improve to PP toughness, intensity, hardness, processing characteristics.Modified particles of the present invention, modified effect is obvious, easy to use, and be all a kind of excellent interpolation auxiliary agent concerning small-sized manufacturing enterprise or large-scale processing enterprise, market range of application is extremely wide.
It is below corresponding detected result.By obtained that modified particles adds in PP according to 10%, the exemplar that injection moulding is formed carries out Mechanics Performance Testing.
Performance test:
Tensile strength is tested by GB/T1040 standard.Specimen types is I type, batten size (mm): 150mm(overall length) × (10 ± 0.2) (end portion width) × (4 ± 0.2) (thickness), draw speed is 50mm/min.
Simply supported beam notched Izod impact strength is tested by GB/T1043 standard.Specimen size (mm): (80 ± 0.2) × (10 ± 0.2) × (4 ± 0.2); Breach residual thickness is 2 ± 0.2.
Melting index is tested according to GB/T3682-2000.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
Take polypropylene PP17% according to weight ratio, nano-calcium carbonate 80%, coupling agent organic boron 1.0%, tensio-active agent Yelkin TTS 0.5%, expanding material be aluminium maleic anhydride 0.5%, lubricant is methyl-silicone oil 1.0%.Concrete implementation step is as follows:
Step one, to be joined in kneader by nano-calcium carbonate and carry out mixing 3min ~ 5min with the speed of 300 revs/min ~ 500 revs/min, kneader temperature controls at 105 DEG C ~ 115 DEG C;
Step 2, tensio-active agent and expanding material, lubricant are joined step one dry in complete nano-calcium carbonate, with the high-speed mixing 5min ~ 10min of 500 revs/min ~ 800 revs/min;
Step 3, polypropylene PP and coupling agent are added in step 2 in the nano-calcium carbonate of surface activation process, with the high-speed mixing 3min ~ 5min of 500 revs/min ~ 800 revs/min;
Step 4, then mixed raw material is placed in twin screw extruder and carries out melting, and extrude air drying steps four, then mixed raw material be placed in twin screw extruder and carry out melting, and extrude air-dry granulation, the each zone temperature of double-screw extruding machine barrel used should remain on 190 DEG C ~ 195 DEG C, screw speed is 35r/min, can obtain a kind of polypropylene PP nano level enhancing modified particle.
Described polypropylene PP is homopolymer or multipolymer.The particle diameter of described nano-calcium carbonate is between 20nm ~ 200nm.
By obtained that modified particles adds in PP according to 10%, the exemplar that injection moulding is formed carries out Mechanics Performance Testing.
Embodiment 2
Take polypropylene PP20% according to weight ratio, nano-calcium carbonate 75%, coupling agent organosilicon 2.0%, tensio-active agent Yelkin TTS 1.5%, expanding material be aluminium maleic anhydride 0.5%, lubricant is oxidized polyethlene wax 1.0%.Concrete implementation step is as follows:
Step one, to be joined in kneader by nano-calcium carbonate and carry out mixing 3min ~ 5min with the speed of 300 revs/min ~ 500 revs/min, kneader temperature controls at 105 DEG C ~ 115 DEG C;
Step 2, tensio-active agent and expanding material, lubricant are joined step one dry in complete nano-calcium carbonate, with the speed of 500 revs/min ~ 800 revs/min mixing 5min ~ 10min;
Step 3, polypropylene PP and coupling agent are added in step 2 in the nano-calcium carbonate of surface activation process, with the speed of 500 revs/min ~ 800 revs/min mixing 3min ~ 5min;
Step 4, then mixed raw material is placed in twin screw extruder and carries out melting, and extrude air drying steps four, then mixed raw material be placed in twin screw extruder and carry out melting, and extrude air-dry granulation, the each zone temperature of double-screw extruding machine barrel used should remain on 190 DEG C ~ 195 DEG C, screw speed is 35r/min, can obtain a kind of polypropylene PP nano level enhancing modified particle.
Described polypropylene PP is homopolymer or multipolymer.The particle diameter of described nano-calcium carbonate is between 20nm ~ 200nm.
By obtained that modified particles adds in PP according to 10%, the exemplar that injection moulding is formed carries out Mechanics Performance Testing.
Embodiment 3
Take polypropylene PP15% according to weight ratio, nano-calcium carbonate 80%, coupling agent Aluminate 2.0%, tensio-active agent Yelkin TTS 1.5%, expanding material be aluminium maleic anhydride 0.5%, lubricant is oxidized polyethlene wax 1.0%.Concrete implementation step is as follows:
Step one, to be joined in kneader by nano-calcium carbonate and carry out mixing 3min ~ 5min with the speed of 300 revs/min ~ 500 revs/min, kneader temperature controls at 105 DEG C ~ 115 DEG C;
Step 2, tensio-active agent and expanding material, lubricant are joined step one dry in complete nano-calcium carbonate, with the speed of 500 revs/min ~ 800 revs/min mixing 5min ~ 10min;
Step 3, polypropylene PP and coupling agent are added in step 2 in the nano-calcium carbonate of surface activation process, with the speed of 500 revs/min ~ 800 revs/min mixing 3min ~ 5min;
Step 4, then mixed raw material is placed in twin screw extruder and carries out melting, and extrude air drying steps four, then mixed raw material be placed in twin screw extruder and carry out melting, and extrude air-dry granulation, the each zone temperature of double-screw extruding machine barrel used should remain on 190 DEG C ~ 195 DEG C, screw speed is 35r/min, can obtain a kind of polypropylene PP nano level enhancing modified particle.
Described polypropylene PP is homopolymer or multipolymer.The particle diameter of described nano-calcium carbonate is between 20nm ~ 200nm.
Add in PP by obtained modified particles according to 10%, the exemplar that injection moulding is formed carries out Mechanics Performance Testing.
Tensile strength is tested by GB/T1040 standard.Specimen types is I type, batten size (mm): 150mm(overall length) × (10 ± 0.2) (end portion width) × (4 ± 0.2) (thickness), draw speed is 50mm/min.
Simply supported beam notched Izod impact strength is tested by GB/T1043 standard.Specimen size (mm): (80 ± 0.2) × (10 ± 0.2) × (4 ± 0.2); Breach residual thickness is 2 ± 0.2.
Melting index is tested according to GB/T3682-2000.
Embodiment 1-3 material property is in table 1:
Table 1
。
Claims (4)
1. the preparation method of a polypropylene PP nano level enhancing modified particle, it is characterized in that: the concrete material component preparing this modified particles is by weight ratio, polypropylene PP 15% ~ 20%, nano-calcium carbonate 65% ~ 80%, coupling agent is organic boron, organosilicon, any one in Aluminate, and coupling agent accounts for 0.5% ~ 2.0%, tensio-active agent Yelkin TTS, one or both in trimethyl-glycine, and tensio-active agent accounts for 0.5% ~ 2.0%, expanding material is maleic anhydride, and expanding material accounts for 0.1% ~ 0.5%, lubricant is methyl-silicone oil, any one of oxidized polyethlene wax OPE, and lubricant accounts for 0.5 % ~ 1.5%, above-mentioned each component sum is 100%,
Comprise the following steps:
Step one, to be joined in kneader by nano-calcium carbonate and carry out mixing 3min ~ 5min with the speed of 300 revs/min ~ 500 revs/min, kneader temperature controls at 105 DEG C ~ 115 DEG C;
Step 2, tensio-active agent and expanding material, lubricant are joined step one dry in complete nano-calcium carbonate, with the speed of 500 revs/min ~ 800 revs/min mixing 5min ~ 10min;
Step 3, polypropylene PP and coupling agent are added in step 2 in the nano-calcium carbonate of surface activation process, with the speed of 500 revs/min ~ 800 revs/min mixing 3min ~ 5min;
Step 4, then mixed raw material is placed in twin screw extruder and carries out melting, and extrude air-dry granulation, the each zone temperature of double-screw extruding machine barrel used should remain on 190 DEG C ~ 195 DEG C, and screw speed is 35r/min, can obtain a kind of polypropylene PP nano level enhancing modified particle.
2. the preparation method of a kind of polypropylene PP nano level enhancing modified particle according to claim 1, is characterized in that: described polypropylene PP is homopolymer or multipolymer.
3. the preparation method of a kind of polypropylene PP nano level enhancing modified particle according to claim 1, is characterized in that: the particle diameter of described nano-calcium carbonate is between 20nm ~ 200nm.
4. a kind of using method of PP nano level enhancing modified particle that obtains of method described in claim 1, is characterized in that: described polypropylene PP nano level enhancing modified particle, proportionally 10% ~ 20% to add in polypropylene PP plastics when producing.
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| CN104532383A (en) * | 2014-12-08 | 2015-04-22 | 成都锦汇科技有限公司 | Antibacterial artificial lawn |
| CN104389041B (en) * | 2014-12-08 | 2016-06-01 | 成都锦汇科技有限公司 | The preparation method of a kind of antibacterial artificial turf |
| CN106519424A (en) * | 2016-09-29 | 2017-03-22 | 珠海格力电器股份有限公司 | Modified polypropylene resin and preparation process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0718373A1 (en) * | 1994-12-20 | 1996-06-26 | Bridgestone/Firestone, Inc. | Polymer modified asphaltic compounds with improved dispersion and improved products therefrom |
| CN101070411A (en) * | 2007-06-13 | 2007-11-14 | 嘉兴市恒胜高分子材料科技有限公司 | Method for preparing polypropylene composite parent material containing inorganic material for use on polypropylene fibers |
| CN102740836A (en) * | 2009-04-24 | 2012-10-17 | 伊休蒂卡有限公司 | Method for the production of commercial nanoparticle and microparticle powders |
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2013
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0718373A1 (en) * | 1994-12-20 | 1996-06-26 | Bridgestone/Firestone, Inc. | Polymer modified asphaltic compounds with improved dispersion and improved products therefrom |
| CN101070411A (en) * | 2007-06-13 | 2007-11-14 | 嘉兴市恒胜高分子材料科技有限公司 | Method for preparing polypropylene composite parent material containing inorganic material for use on polypropylene fibers |
| CN102740836A (en) * | 2009-04-24 | 2012-10-17 | 伊休蒂卡有限公司 | Method for the production of commercial nanoparticle and microparticle powders |
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