CN103450557A - Preparation method of polypropylene PP (propene polymer) nanoscale reinforced and modified particles - Google Patents
Preparation method of polypropylene PP (propene polymer) nanoscale reinforced and modified particles Download PDFInfo
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- CN103450557A CN103450557A CN2013100285552A CN201310028555A CN103450557A CN 103450557 A CN103450557 A CN 103450557A CN 2013100285552 A CN2013100285552 A CN 2013100285552A CN 201310028555 A CN201310028555 A CN 201310028555A CN 103450557 A CN103450557 A CN 103450557A
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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
The invention relates to a preparation method of polypropylene PP (propene polymer) nanoscale reinforced and modified particles, belonging to the field of preparation methods of high molecular materials, and particularly relates to the preparation method of nanoscale reinforced and modified particles applied to PP plastic. The method provided by the invention comprises the following steps: adding PP, nano calcium carbonate, a coupling reagent, a surfactant, a compatibilizer and a lubricant to a kneader according to a certain proportion and sequence (at 105-115 DEG C) to uniformly stir and mix; and extruding and prilling through a twin-screw extruder. Toughness, strength, hardness and processability of PP are improved to a certain extent by adding the modified particles to PP in a certain proportion. The modified particles provided by the invention are remarkable in modifying effect and convenient to use, are used as an excellent additive assistant for either small production enterprises or large processing enterprises, and have an extremely wide market application range.
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.The PP good processability, and yield strength, tensile strength, surface hardness be than more excellent, and outstanding stress cracking resistance and wear resistance are arranged, be widely used in the industries such as automobile, household electrical appliance, building.But the shortcoming such as also there is poor toughness in PP and mechanical property is lower, be greatly limited while using as structured material.
Patent No. CN102241860A, a kind of Reinforced Polypropylene material and preparation method thereof, be that to take polypropylene and glass fibre be major ingredient, is aided with polypropylene compatilizer, nucleator, lubricant and the oxidation inhibitor of specified proportion, improve shock strength, and there is outstanding surface smoothness.But glass fibre come source range little, and alkalescence is subject to certain restriction by force in PP application.
The preparation of polymer composites is to realize one of high performance important channel of polymer materials.Need badly in the middle of prior art and will go out with regard to the high performance study on the modification of PP a kind of PP nano level enhancing modified particle, a kind of method of preparing the enhancing modified particle, the method can produce there is higher toughness, than the polypropylene of low strength and hardness (PP) modified particles, this modified particles is joined in PP according to a certain percentage, toughness, intensity, hardness, the processing characteristics of PP all had some improvement.
Summary of the invention
The technical problem that the present invention solves is: a kind of modified particles that can improve the PP processing characteristics is provided, and adopting the most frequently used on the market nano-calcium carbonate is auxiliary material.The method be by PP, nano-calcium carbonate, coupling agent, tensio-active agent, expanding material, lubricant by a certain percentage, order joins in kneader (105 ℃～115 ℃ of temperature) and is uniformly mixed, through the 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 for 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 the shared weight percent of coupling agent is 0.5%～2.0%, tensio-active agent Yelkin TTS, one or both in trimethyl-glycine, and the shared weight percent of tensio-active agent is 0.5%～2.0%, expanding material is the aluminium maleic anhydride, and the shared weight percent of expanding material is 0.1%～0.5%, lubricant is methyl-silicone oil, any one of oxidized polyethlene wax OPE, and the shared weight percent of lubricant is 0.5%～1.5%,
Comprise the following steps:
Step 1, nano-calcium carbonate is joined in kneader and mixed 3min～5min with the speed of 300 rev/mins～500 rev/mins, the kneader temperature is controlled at 105 ℃～115 ℃;
Step 2, tensio-active agent and expanding material, lubricant are joined to step 1 dried in complete nano-calcium carbonate, with the speed of 500 rev/mins～800 rev/mins, mix 5min～10min;
Step 3, polypropylene PP and coupling agent are added in the nano-calcium carbonate that has passed through surface activation process in step 2, with the speed of 500 rev/mins～800 rev/mins, mix 3min～5min;
Step 4, then mixed raw material is placed in to twin screw extruder and carries out melting, and extrude air-dry granulation, each subregion temperature of double-screw extruding machine barrel used should remain on 190 ℃～195 ℃, 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% add polypropylene PP plastics to when producing.
Beneficial effect: only need add according to a certain percentage and add in PP when the processing of this PP modified particles is used, can all improve to PP toughness, intensity, hardness, processing characteristics.Modified particles of the present invention, modified effect is obvious, easy to use, is concerning small-sized manufacturing enterprise or large-scale processing enterprise, to be all a kind of good interpolation auxiliary agent, and the 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 forms carries out Mechanics Performance Testing.
Performance test:
Tensile strength is tested by the GB/T1040 standard.Specimen types is the I type, batten size (mm): the 150mm(overall length) * (10 ± 0.2) (end width) * (4 ± 0.2) (thickness), draw speed is 50mm/min.
The simply supported beam notched Izod impact strength is tested by the GB/T1043 standard.Specimen size (mm): (80 ± 0.2) * (10 ± 0.2) * (4 ± 0.2); The 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
Taking polypropylene PP17%, nano-calcium carbonate 80%, coupling agent organic boron 1.0%, tensio-active agent Yelkin TTS 0.5%, expanding material according to weight ratio is that aluminium maleic anhydride 0.5%, lubricant are methyl-silicone oil 1.0%.Concrete implementation step is as follows:
Step 1, nano-calcium carbonate is joined in kneader and mixed 3min～5min with the speed of 300 rev/mins～500 rev/mins, the kneader temperature is controlled at 105 ℃～115 ℃;
Step 2, tensio-active agent and expanding material, lubricant are joined to step 1 dried in complete nano-calcium carbonate, with the high-speed mixing 5min of 500 rev/mins～800 rev/mins～10min;
Step 3, polypropylene PP and coupling agent are added in the nano-calcium carbonate that has passed through surface activation process in step 2, with the high-speed mixing 3min of 500 rev/mins～800 rev/mins～5min;
Step 4, then mixed raw material is placed in to twin screw extruder and carries out melting, and extrude air-dry step 4, then mixed raw material be placed in to twin screw extruder and carry out melting, and extrude air-dry granulation, each subregion temperature of double-screw extruding machine barrel used should remain on 190 ℃～195 ℃, 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 forms carries out Mechanics Performance Testing.
Embodiment 2
Taking polypropylene PP20%, nano-calcium carbonate 75%, coupling agent organosilicon 2.0%, tensio-active agent Yelkin TTS 1.5%, expanding material according to weight ratio is that aluminium maleic anhydride 0.5%, lubricant are oxidized polyethlene wax 1.0%.Concrete implementation step is as follows:
Step 1, nano-calcium carbonate is joined in kneader and mixed 3min～5min with the speed of 300 rev/mins～500 rev/mins, the kneader temperature is controlled at 105 ℃～115 ℃;
Step 2, tensio-active agent and expanding material, lubricant are joined to step 1 dried in complete nano-calcium carbonate, with the speed of 500 rev/mins～800 rev/mins, mix 5min～10min;
Step 3, polypropylene PP and coupling agent are added in the nano-calcium carbonate that has passed through surface activation process in step 2, with the speed of 500 rev/mins～800 rev/mins, mix 3min～5min;
Step 4, then mixed raw material is placed in to twin screw extruder and carries out melting, and extrude air-dry step 4, then mixed raw material be placed in to twin screw extruder and carry out melting, and extrude air-dry granulation, each subregion temperature of double-screw extruding machine barrel used should remain on 190 ℃～195 ℃, 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 forms carries out Mechanics Performance Testing.
Embodiment 3
Taking polypropylene PP15%, nano-calcium carbonate 80%, coupling agent Aluminate 2.0%, tensio-active agent Yelkin TTS 1.5%, expanding material according to weight ratio is that aluminium maleic anhydride 0.5%, lubricant are oxidized polyethlene wax 1.0%.Concrete implementation step is as follows:
Step 1, nano-calcium carbonate is joined in kneader and mixed 3min～5min with the speed of 300 rev/mins～500 rev/mins, the kneader temperature is controlled at 105 ℃～115 ℃;
Step 2, tensio-active agent and expanding material, lubricant are joined to step 1 dried in complete nano-calcium carbonate, with the speed of 500 rev/mins～800 rev/mins, mix 5min～10min;
Step 3, polypropylene PP and coupling agent are added in the nano-calcium carbonate that has passed through surface activation process in step 2, with the speed of 500 rev/mins～800 rev/mins, mix 3min～5min;
Step 4, then mixed raw material is placed in to twin screw extruder and carries out melting, and extrude air-dry step 4, then mixed raw material be placed in to twin screw extruder and carry out melting, and extrude air-dry granulation, each subregion temperature of double-screw extruding machine barrel used should remain on 190 ℃～195 ℃, 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.
Prepared modified particles is added in PP according to 10%, and the exemplar that injection moulding forms carries out Mechanics Performance Testing.
Tensile strength is tested by the GB/T1040 standard.Specimen types is the I type, batten size (mm): the 150mm(overall length) * (10 ± 0.2) (end width) * (4 ± 0.2) (thickness), draw speed is 50mm/min.
The simply supported beam notched Izod impact strength is tested by the GB/T1043 standard.Specimen size (mm): (80 ± 0.2) * (10 ± 0.2) * (4 ± 0.2); The 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 for 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 the shared weight percent of coupling agent is 0.5%～2.0%, tensio-active agent Yelkin TTS, one or both in trimethyl-glycine, and the shared weight percent of tensio-active agent is 0.5%～2.0%, expanding material is the aluminium maleic anhydride, and the shared weight percent of expanding material is 0.1%～0.5%, lubricant is methyl-silicone oil, any one of oxidized polyethlene wax OPE, and the shared weight percent of lubricant is 0.5%～1.5%,
Comprise the following steps:
Step 1, nano-calcium carbonate is joined in kneader and mixed 3min～5min with the speed of 300 rev/mins～500 rev/mins, the kneader temperature is controlled at 105 ℃～115 ℃;
Step 2, tensio-active agent and expanding material, lubricant are joined to step 1 dried in complete nano-calcium carbonate, with the speed of 500 rev/mins～800 rev/mins, mix 5min～10min;
Step 3, polypropylene PP and coupling agent are added in the nano-calcium carbonate that has passed through surface activation process in step 2, with the speed of 500 rev/mins～800 rev/mins, mix 3min～5min;
Step 4, then mixed raw material is placed in to twin screw extruder and carries out melting, and extrude air-dry granulation, each subregion temperature of double-screw extruding machine barrel used should remain on 190 ℃～195 ℃, 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, it 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, it is characterized in that: the particle diameter of described nano-calcium carbonate is between 20nm～200nm.
4. the preparation method of a kind of PP nano level enhancing modified particle according to claim 1 is characterized in that: described polypropylene PP nano level enhancing modified particle, proportionally 10%～20% add polypropylene PP plastics to when producing.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389041A (en) * | 2014-12-08 | 2015-03-04 | 成都锦汇科技有限公司 | Preparation method of antibacterial artificial turf |
| CN104532383A (en) * | 2014-12-08 | 2015-04-22 | 成都锦汇科技有限公司 | Antibacterial artificial lawn |
| 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 |
-
2013
- 2013-01-24 CN CN201310028555.2A patent/CN103450557B/en active Active
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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389041A (en) * | 2014-12-08 | 2015-03-04 | 成都锦汇科技有限公司 | Preparation method of antibacterial artificial turf |
| CN104532383A (en) * | 2014-12-08 | 2015-04-22 | 成都锦汇科技有限公司 | Antibacterial artificial lawn |
| 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 |
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Address after: 130000 Qinhuangdao Road, Changchun Economic Development Zone, Jilin, No. 555 Patentee after: Tiancheng high tech nanometer composite material Co., Ltd. Address before: 130000 clean industrial park, Shuangyang Economic Development Zone, Changchun, Jilin Patentee before: Changchun Tiancheng High-New Nano Composite Co., Ltd. |
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Effective date of registration: 20210709 Granted publication date: 20150812 |