CN102604207A - Superfine talcum powder-polypropylene filled master batch, preparation method and device thereof - Google Patents
Superfine talcum powder-polypropylene filled master batch, preparation method and device thereof Download PDFInfo
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- CN102604207A CN102604207A CN2012100255660A CN201210025566A CN102604207A CN 102604207 A CN102604207 A CN 102604207A CN 2012100255660 A CN2012100255660 A CN 2012100255660A CN 201210025566 A CN201210025566 A CN 201210025566A CN 102604207 A CN102604207 A CN 102604207A
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Abstract
The invention discloses a superfine talcum powder-polypropylene filled master batch, a preparation method of the superfine talcum powder-polypropylene filled master batch and a device of the superfine talcum powder-polypropylene filled master batch. The filled master batch comprises the following components in percentage by weight: 75-85% of talcum powders, 10-15% of polypropylene materials, 0.5-0.7% of antioxidants and 1-5% of processing agents. A production device of the superfine talcum powder-polypropylene filled master batch comprises a mixer, a feeding machine, a double-rotor continuous mixing mill, a single-screw extrusion machine and a die surface hot-cutting granulator, wherein the mixer is arranged above the feeding machine, a material outlet of the feeding machine is connected with a material inlet of the double-rotor continuous mixing mill, a material outlet of the double-rotor continuous mixing mill is connected with a material inlet of the single-screw extrusion machine, and a material outlet of the single-screw extrusion machine is connected with a material inlet of the die surface hot-cutting granulator. According to the invention, the proper raw material formula, the novel double-rotor continuous mixing mill and the granulator are adopted to ensure the continuous mixing mill and granulating; simultaneously, due to the double-rotor continuous mixing mill and the granulator, the volume and the weight of the device are reduced greatly, and the power consumption of the device is lowered greatly; in addition, the double-rotor continuous mixing mill and the granulator are high in degree of automation, simple in operation, and relatively low in use and maintenance cost.
Description
Technical field
The present invention relates to the superfine talcum powder Vestolen PP 7052 and fill master batch preparing technical field, particularly a kind of superfine talcum powder filled polypropylene master batch and preparation method thereof and equipment.
Background technology
Talcum powder is cheap mineral filler commonly used in the plastics industry, and it can improve the dimensional stability of rigidity, modulus and the goods thereof of material effectively, and its cost is significantly reduced; Therefore, talcum powder extensively is used in the modifying plastics industry.But, owing to the bulk density of talcum powder especially superfine talcum powder is little; In the modifying plastics production process, very easily produce dust, pollute production plant, have a strong impact on the healthy of Manufacturing Worker.In addition, because talcous bulk density is little, when modified plastics adopted the processing mode of screw extrusion press to add talcum powder, the difficult feeding of material had a strong impact on production efficiency.Therefore, how to prepare the high filled polypropylene master batch of superfine talcum powder, for solving dust pollution, seeming very crucial enhancing productivity.
When producing talcum powder filling PP master batch, adopt following two kinds of methods at present in the industry usually: one, elder generation is mixing in Banbury mixer; Adding screw extrusion press again extrudes; Form through the fervent granulation mode of die face at last; Two, through high-speed mixer former material is mixed to more than 100 ℃ earlier, makes material become little lumps; Extrude through twin screw extruder again; Finally form through the fervent granulation of water ring die face.
Open day is that the Chinese invention patent of CN101955604 A discloses " a kind of polyolefin-based nano level talcum powder functional agglomerate and method of manufacture and equipment " for 2011.1.26, publication number.Mentioning method in the literary composition is present typical preparation method: adopt mixer mixing earlier; Adding screw extrusion press again extrudes; The preparation method who forms through the fervent granulation mode of die face at last.The work characteristics of Banbury mixer is: in the banburying chamber, add a certain amount of material, material is the mixing one long period in the banburying chamber, all is delivered to screw extrusion press then and carries out granulation; Then, pour certain material into toward the banburying chamber again, so successively circulation.In mixing, the process of carrying, material is in a kind of discontinuous state; In addition, because that material is in the mixing chamber of sealing is mixing, the plastifying state of material, fusion time are difficult to accurate assurance.Therefore, the level of automation of whole production line is low, and personnel labor is big, and production efficiency is low.
Open day is that the Chinese invention patent of CN102040774A discloses " a kind of Vestolen PP 7052 is filled master batch and preparation method thereof " for 2011.5.4, publication number; Mention high-speed mixer in the literary composition and add prepared in twin-screw extruder Vestolen PP 7052 filling master batch: function powder is mainly water-ground limestone and process white; Its tap density surpasses 1.0g/cm3 (tap density of superfine talcum powder is less than 0.3g/ cm3), and water-ground limestone content is no more than 70%; Therefore, in the production process of the high filling of superfine talcum powder PP, powder is difficult to coated by matrix resin; In addition, adopt high-speed mixer that the starting material pre-mixing time is surpassed 15min, greatly reduce the batch mixing efficient of high-speed mixer.
The Chinese invention patent of CN 1966562A.Adopt high-speed mixer to add the preparation method of twin screw extruder in the literary composition: the mixing functions powder agglomerate of 25 ~ 50 parts of calcium carbonate contents, 5 ~ 30 parts of superfine talcum powders; Because the tap density of lime carbonate is three times of tap density of superfine talcum powder; Therefore, the coating problem of such powder basically can be through the mixing solution of twin screw.But before getting into twin screw extruder, this former material need be through high-speed mixer with pre-composition high-speed stirring to 100 ℃ ~ 130 ℃.There are two defectives in such complete processing: 1) mixture temperature reaches the mixing time that needs more than 100 ℃ long (maybe needing heating); 2), and the partial material fusing point is arranged in the middle of the starting material of this series products about 100 ℃ owing to the temperature of high-speed mixer is controlled than difficult; Therefore, there is the agglomerating danger of caking in material, and the normal discharging of high-speed mixer is had a strong impact on.
The day for announcing is that 2011.10.12, notification number are that the Chinese patent of CN101792536 A discloses " a kind of preparation method of carrier-free talcum powder master batch ".Adopt volatile alcohol or ketone thinner in the literary composition, at first caking agent is diluted to more than 10 times; Caking agent after will diluting again and talcum powder pre-mixing by a certain percentage; At last at normal temperatures through the forcing machine extruding pelletization.There is following defective in this method: 1) thinner is difficult to reclaim, and is prone to cause environmental pollution and material wastage, and since the ratio that institute adds thinner up to 15% ~ 35%, follow-up stoving process is difficulty comparatively, the increase manufacturing cost; 2) adopt this working method resultant that the hardness of particle is very low, in follow-up transportation and use, cause the secondary dust pollution easily; 3) use this forcing machine equipment pelletizing, make that the product of being cut is different in size, the outward appearance of whole particle is very ugly, and the client is difficult to accept.
In sum, there are above-mentioned all deficiencies in the preparation method and the equipment of the master batch of Vestolen PP 7052 filling at present.
Summary of the invention
Patent of the present invention technical problem to be solved provides a kind of superfine talcum powder filled polypropylene master batch for preparing simply and improve performance.
Further, the present invention provides a kind of producing apparatus of the superfine talcum powder filled polypropylene master batch of raising the efficiency of cutting down the consumption of energy.
Further, the present invention provides the preparation method of the uniform superfine talcum powder filled polypropylene of a kind of product particle master batch.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of superfine talcum powder Vestolen PP 7052 is filled master batch, and its composition and weight percentage are: talcum powder content is 75 ~ 85%; Polypropylene material content is 10 ~ 15%; Oxidation inhibitor is 0.5 ~ 0.7%; Processing aid is 1 ~ 5%.
Preferably, said processing aid is Triple Pressed Stearic Acid and Chinese wax; Its weight percentage is: Triple Pressed Stearic Acid is 1 ~ 3%, and Chinese wax is 1 ~ 2%.
Preferably, said superfine talcum powder median size is 2 ~ 5 microns.
Preferably, said polypropylene material is the mixing material of Vestolen PP 7052 or Vestolen PP 7052, polyolefin elastomer.
A kind of superfine talcum powder Vestolen PP 7052 as claimed in claim 1 is filled the producing apparatus of master batch, comprises the fervent tablets press of mixing machine, feeding machine, two-rotor continuous mixer, single screw extrusion machine and die face; Said mixing machine is located at the top of feeding machine; The discharge port of said feeding machine is connected with the opening for feed of two-rotor continuous mixer; The discharge port of said two-rotor continuous mixer is connected with the opening for feed of single screw extrusion machine, and the discharge port of said single screw extrusion machine is connected with the opening for feed of the fervent tablets press of die face.
Preferably; Said two-rotor continuous mixer comprises first two-rotor continuous mixer, second two-rotor continuous mixer; The opening for feed of said two-rotor continuous mixer is connected with first two-rotor continuous mixer; Said first two-rotor continuous mixer, second two-rotor continuous mixer are connected, and said second two-rotor continuous mixer is connected with the discharge port of two-rotor continuous mixer.
Preferably, said feeding machine comprises the funnel type feeding bin, and said mixing machine comprises tilting discharging mouth, and said tilting discharging mouth places the top of feeding bin.
Preferably, said feeding machine also comprises horizontal feeding machine and vertical feeding machine, and the opening for feed of said vertical feeding machine is connected with the discharge port of horizontal feeding machine.
A kind of preparation method like each described superfine talcum powder Vestolen PP 7052 filling master batch of claim 5-7 may further comprise the steps:
Step 1) drops into Vestolen PP 7052 or Vestolen PP 7052, the mixing material of polyolefin elastomer, talcum powder, oxidation inhibitor, processing processing aid in the mixing machine in proportion and mixes;
Step 2), with in the mixed material input feeding machine;
Step 3), material are admitted to two-rotor continuous mixer mixing indoor of preset temp through the feeding machine successive, the said mixing indoor material that has mixed is constantly extruded simultaneously;
Step 4), the material in the step 3) is extruded through single screw extrusion machine, is prepared from through the granulation of die face hot cut pellet machine again.
Preferably, in the step 1), said material low speed mixing 0.5 ~ 1min at first in mixing machine; Follow mixed at high speed 5 ~ 10min; Said high speed is 600 ~ 1200rpm.
The present invention has following beneficial effect with respect to prior art:
1) produce superfine talcum powder master batch compared with techniques with Banbury mixer, the present invention adopts appropriate raw material formula, novel two rotors continuous mixing and tablets press to guarantee continuous mixing and granulation; Two rotors continuous mixing and granulating equipment greatly reduce the volume and weight (the equipment type gross weight of identical output has only about half of Banbury mixer) of equipment simultaneously, and greatly reduce equipment power dissipation; In addition, two rotors continuous mixing of the present invention and granulating equipment level of automation are high, simple to operate, the operation and maintenance cost is all relatively low.
2) compare with the preparation method who adopts high-speed mixer to add twin screw extruder, superfine talcum powder of the present invention is easy to by the polypropylene matrix resin-coated; And superfine talcum powder is filled content and is higher than 70%; In addition, can effectively feed in the twin screw extruder though the superfine talcum powder bulk density is low, the present invention can make the filling content of superfine talcum powder up to 85%.
3) with the adhesive treatment of dilution after superfine talcum powder, compare through the forcing machine granulation of normal temperature, thereby there is not diluent recovery difficulty protection environment border in the present invention; In addition, the extra fine talc powder filling master can not produce the secondary dust pollution question in transportation, use; And the product particle of preparation is even, outward appearance is neat and artistic, meets customer need.
Description of drawings
Fig. 1 is the structural representation that superfine talcum powder Vestolen PP 7052 of the present invention is filled the producing apparatus of master batch.
Fig. 2 is the two rotors continuous mixing structural representation of superfine talcum powder filled polypropylene master batch of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing the present invention is described in further detail, but the working of an invention mode is not limited thereto.
Embodiment 1
Close shown in 2 like Fig. 1, a kind of superfine talcum powder Vestolen PP 7052 is filled the producing apparatus of master batch, comprises mixing machine 1, feeding machine, two-rotor continuous mixer 5, single screw extrusion machine 6 and the fervent tablets press 7 of die face.This mixing machine is located at the top of feeding machine; The discharge port of feeding machine is connected with the opening for feed of two-rotor continuous mixer 5; The discharge port of this two-rotor continuous mixer 5 is connected with the opening for feed of single screw extrusion machine 6, and the discharge port of this single screw extrusion machine 6 is connected with the opening for feed of the fervent tablets press 7 of die face.Two-rotor continuous mixer 5 comprises first two-rotor continuous mixer 51, second two-rotor continuous mixer 52; The opening for feed of two-rotor continuous mixer 5 is connected with first two-rotor continuous mixer 51; First two-rotor continuous mixer 51, second two-rotor continuous mixer 52 are connected, and second two-rotor continuous mixer 52 is connected with the discharge port of two-rotor continuous mixer 5.Be provided with storage bin 53 between the opening for feed 54 of two-rotor continuous mixer 5 and first two-rotor continuous mixer 51.The opening for feed 54 of said two-rotor continuous mixer 5 is a funnel-form.Mixing machine comprises tilting discharging mouth, and tilting discharging mouth places the top of feeding bin 2.Feeding machine comprises feeding bin 2, and this feeding bin 2 is a funnel-form.Feeding machine also comprises horizontal feeding machine 3 and vertical feeding machine 4, and the opening for feed of horizontal feeding machine 3 is connected with the discharge port of feeding bin 2, and the discharge port of horizontal feeding machine 3 is connected with the opening for feed of vertical feeding machine 4.
A kind of superfine talcum powder Vestolen PP 7052 is filled master batch, and its composition and weight percentage are: the extra fine talc powder content is 75 ~ 85%; Polypropylene material content is 10 ~ 15%; Oxidation inhibitor is 0.5 ~ 0.7%; Processing aid is 1 ~ 5%.This processing aid is Triple Pressed Stearic Acid and Chinese wax; Its weight percentage is: Triple Pressed Stearic Acid is 1 ~ 3%, and Chinese wax is 1 ~ 2%.This superfine talcum powder median size is 2 ~ 5 microns.This polypropylene material is the mixing material of Vestolen PP 7052 or Vestolen PP 7052, polyolefin elastomer.
A kind of superfine talcum powder Vestolen PP 7052 is filled the preparation method of master batch, may further comprise the steps:
Step 1) drops into Vestolen PP 7052 or Vestolen PP 7052, the mixing material of polyolefin elastomer, talcum powder, oxidation inhibitor, processing aid in proportion in the mixing machine 1 and mixes;
Step 2), with in the mixed material input feeding machine;
Step 3), material is indoor through the two rotors continuous mixing that the feeding machine successive is admitted to preset temp, and the indoor material that has mixed of two rotors continuous mixing is constantly extruded simultaneously;
Step 4), the material in the step 3) is extruded through single screw extrusion machine 6, is prepared from through 7 granulations of die face hot cut pellet machine again.
In this step 1), said material low speed mixing 0.5 ~ 1min at first in mixing machine 1; Follow mixed at high speed 5 ~ 10min; Said high speed is 600 ~ 1200rpm.
Get 19 parts of polypropylene powders, 2.5 parts of Chinese wax, 3 parts of Triple Pressed Stearic Acid, 0.5 part in oxidation inhibitor, 75 parts of superfine talcum powders.Above-mentioned materials is all dropped in the mixing machine, go to high speed 1000RPM mixing 8min behind the low speed mixing 1min; Mixed material is unloaded to the feeding bin of feeding machine; Then material is delivered in the two rotors continuous mixing chamber by successive, and the temperature in this two rotors continuous mixing chamber is set at 80 ℃ and 220 ℃, successively mixing by two rotors in reaching the mixing chamber of preheating temperature, the plasticizing of material; The material that is finally plastified type of one-tenth dough is admitted in the barrel of the good single screw extrusion machine of preheating under the extruding of two rotors and material, and each warm area of this single screw extrusion machine is set at 100 ℃, 180 ℃, 160 ℃ respectively; The material of class dough is under the extruding of the screw rod with certain rotating speed, uniformly through the typing nib; Then, the cutter of the high speed rotating be close at the die face place of the material of such dough constantly cuts off and is prepared into qualified particle.
Embodiment 2
Present embodiment is except that following characteristics, and other are all identical with embodiment 1: get 14 parts of powder Vestolen PP 7052 (PP resin), 2.0 parts of Chinese wax, 2.5 parts of Triple Pressed Stearic Acid, 0.5 part in oxidation inhibitor, superfine talcum powder are mixed together for 80 parts, and other equipment, technology are identical with embodiment 1.
Present embodiment is except that following characteristics, and other are all identical with embodiment 1: get 10 parts of powder Vestolen PP 7052 (PP resin), 2.0 parts of Chinese wax, 2.5 parts of Triple Pressed Stearic Acid, 0.5 part in oxidation inhibitor, superfine talcum powder are mixed together for 85 parts, and other equipment, technology are identical with embodiment 1.
Present embodiment is except that following characteristics; Other are all identical with embodiment 1: get 10 parts of powder Vestolen PP 7052 (PP resin), 4 parts of polyolefin elastomers (POE); 2.0 parts of Chinese wax, 2.5 parts of Triple Pressed Stearic Acid, 0.5 part in oxidation inhibitor, superfine talcum powder are mixed together for 80 parts, and other equipment, technology are identical with embodiment 1.
The foregoing description is merely preferred embodiment of the present invention, is not to be used for limiting practical range of the present invention.Be that all equalizations of doing according to content of the present invention change and modification, all contained by claim of the present invention scope required for protection.
Claims (10)
1. a superfine talcum powder Vestolen PP 7052 is filled master batch, and it is characterized in that: its composition and weight percentage are: the extra fine talc powder content is 75 ~ 85%; Polypropylene powder content is 10 ~ 15%; Oxidation inhibitor is 0.5 ~ 0.7%; Processing aid is 1 ~ 5%.
2. superfine talcum powder Vestolen PP 7052 according to claim 1 is filled master batch, and it is characterized in that: said processing aid is Triple Pressed Stearic Acid and Chinese wax; Its weight percentage is: Triple Pressed Stearic Acid is 1 ~ 3%, and Chinese wax is 1 ~ 2%.
3. superfine talcum powder Vestolen PP 7052 according to claim 1 is filled master batch, and it is characterized in that: said superfine talcum powder median size is 2 ~ 5 microns.
4. superfine talcum powder Vestolen PP 7052 according to claim 1 is filled master batch, it is characterized in that: said polypropylene powder is the mixing material of Vestolen PP 7052 or Vestolen PP 7052, polyolefin elastomer.
5. the producing apparatus of a superfine talcum powder Vestolen PP 7052 filling master batch as claimed in claim 1 is characterized in that: comprise mixing machine (1), feeding machine, two-rotor continuous mixer (5), single screw extrusion machine (6) and the fervent tablets press of die face (7); Said mixing machine is located at the top of feeding machine; The discharge port of said feeding machine is connected with the opening for feed of two-rotor continuous mixer (5); The discharge port of said two-rotor continuous mixer (5) is connected with the opening for feed of single screw extrusion machine (6), and the discharge port of said single screw extrusion machine (6) is connected with the opening for feed of the fervent tablets press of die face (7).
6. superfine talcum powder Vestolen PP 7052 according to claim 1 is filled the producing apparatus of master batch; It is characterized in that: said two-rotor continuous mixer (5) comprises first two-rotor continuous mixer (51), second two-rotor continuous mixer (52); The opening for feed (54) of said two-rotor continuous mixer (5) is connected with first two-rotor continuous mixer (51); Said first two-rotor continuous mixer (51), second two-rotor continuous mixer (52) are connected, and said second two-rotor continuous mixer (52) is connected with the discharge port of two-rotor continuous mixer (5).
7. fill the producing apparatus of master batches according to claim 5 or 6 described superfine talcum powder Vestolen PP 7052; It is characterized in that: said feeding machine comprises funnel type feeding bin (2); Said mixing machine comprises tilting discharging mouth, and said tilting discharging mouth places the top of feeding bin (2).
8. superfine talcum powder Vestolen PP 7052 according to claim 7 is filled the producing apparatus of master batch; It is characterized in that: said feeding machine also comprises horizontal feeding machine (3) and vertical feeding machine (4), and the opening for feed of said vertical feeding machine (4) is connected with the discharge port of horizontal feeding machine (3).
9. fill the preparation method of master batch like each described superfine talcum powder Vestolen PP 7052 of claim 5-8 for one kind, it is characterized in that may further comprise the steps:
Step 1) drops into Vestolen PP 7052 or Vestolen PP 7052, the mixing material of polyolefin elastomer, talcum powder, oxidation inhibitor, processing processing aid in proportion in the mixing machine (1) and mixes;
Step 2), with in the mixed material input feeding machine;
Step 3), material are admitted to two-rotor continuous mixer (5) mixing indoor of preset temp through the feeding machine successive, the said mixing indoor material that has mixed is constantly extruded simultaneously;
Step 4), the material in the step 3) is extruded through single screw extrusion machine (6), is prepared from through die face hot cut pellet machine (7) granulation again.
10. superfine talcum powder Vestolen PP 7052 according to claim 8 is filled the preparation method of master batch, it is characterized in that: in the step 1), and said material low speed mixing 0.5 ~ 1min at first in mixing machine (1); Follow mixed at high speed 5 ~ 10min; Said high speed is 600 ~ 1200rpm.
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| CN2012100255660A CN102604207A (en) | 2012-02-06 | 2012-02-06 | Superfine talcum powder-polypropylene filled master batch, preparation method and device thereof |
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| CN2012100255660A CN102604207A (en) | 2012-02-06 | 2012-02-06 | Superfine talcum powder-polypropylene filled master batch, preparation method and device thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106883634A (en) * | 2017-03-27 | 2017-06-23 | 六安载丰新材料有限公司 | A kind of master batch prilling of inorganic resin |
| CN108858869A (en) * | 2018-08-19 | 2018-11-23 | 福建师范大学泉港石化研究院 | A kind of equipment for producing high dispersive type fluoropolymer master batch |
| CN114230932A (en) * | 2021-11-23 | 2022-03-25 | 金发科技股份有限公司 | Flame-retardant filled polypropylene material and preparation method and application thereof |
| CN115073150A (en) * | 2022-06-29 | 2022-09-20 | 山东鲁铭新型材料股份有限公司 | Preparation method of silicon mullite brick for kiln receiving hopper and chute |
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| CN1966562A (en) * | 2006-11-02 | 2007-05-23 | 上海林达塑胶化工有限公司 | Filling agglomerate for polypropylene wiredrawing and its preparation method |
| CN102070833A (en) * | 2010-12-27 | 2011-05-25 | 金发科技股份有限公司 | Filler masterbatch used for increasing polarity of polypropylene and preparation method thereof |
| CN102206372A (en) * | 2011-04-01 | 2011-10-05 | 南京工业大学 | Black masterbatch with high performance, preparation system device and its preparation method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1966562A (en) * | 2006-11-02 | 2007-05-23 | 上海林达塑胶化工有限公司 | Filling agglomerate for polypropylene wiredrawing and its preparation method |
| CN102070833A (en) * | 2010-12-27 | 2011-05-25 | 金发科技股份有限公司 | Filler masterbatch used for increasing polarity of polypropylene and preparation method thereof |
| CN102206372A (en) * | 2011-04-01 | 2011-10-05 | 南京工业大学 | Black masterbatch with high performance, preparation system device and its preparation method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106883634A (en) * | 2017-03-27 | 2017-06-23 | 六安载丰新材料有限公司 | A kind of master batch prilling of inorganic resin |
| CN108858869A (en) * | 2018-08-19 | 2018-11-23 | 福建师范大学泉港石化研究院 | A kind of equipment for producing high dispersive type fluoropolymer master batch |
| CN114230932A (en) * | 2021-11-23 | 2022-03-25 | 金发科技股份有限公司 | Flame-retardant filled polypropylene material and preparation method and application thereof |
| CN115073150A (en) * | 2022-06-29 | 2022-09-20 | 山东鲁铭新型材料股份有限公司 | Preparation method of silicon mullite brick for kiln receiving hopper and chute |
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Application publication date: 20120725 |