CN102689374A - Manufacturing method of sheet polymer plastic particles - Google Patents
Manufacturing method of sheet polymer plastic particles Download PDFInfo
- Publication number
- CN102689374A CN102689374A CN2011100690431A CN201110069043A CN102689374A CN 102689374 A CN102689374 A CN 102689374A CN 2011100690431 A CN2011100690431 A CN 2011100690431A CN 201110069043 A CN201110069043 A CN 201110069043A CN 102689374 A CN102689374 A CN 102689374A
- Authority
- CN
- China
- Prior art keywords
- sheet
- grain
- macromolecule
- resin layer
- release liners
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 41
- 229920000642 polymer Polymers 0.000 title claims abstract description 14
- 239000002245 particle Substances 0.000 title abstract description 10
- 239000011347 resin Substances 0.000 claims abstract description 39
- 229920005989 resin Polymers 0.000 claims abstract description 39
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 238000005469 granulation Methods 0.000 claims abstract description 9
- 230000003179 granulation Effects 0.000 claims abstract description 9
- 238000001125 extrusion Methods 0.000 claims abstract description 7
- 230000010412 perfusion Effects 0.000 claims abstract description 4
- 229920002521 macromolecule Polymers 0.000 claims description 45
- 238000013459 approach Methods 0.000 claims description 28
- 238000005520 cutting process Methods 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 150000002440 hydroxy compounds Chemical class 0.000 claims description 8
- 239000012948 isocyanate Substances 0.000 claims description 8
- 150000002513 isocyanates Chemical class 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 208000034189 Sclerosis Diseases 0.000 claims description 3
- 230000035800 maturation Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 238000002156 mixing Methods 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 238000012668 chain scission Methods 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 abstract 1
- 238000003860 storage Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a manufacturing method of sheet polymer plastic particles, and the manufacturing method comprises the steps of raw material mixing, resin perfusion, forced cooling and sheet granulation, etc. The manufacturing method of sheet polymer plastic particles in the invention can be used to manufacture sheet polymer plastic particles under the condition of not using high power consumption equipment such as a double-shaft extrusion machine. Therefore, compared with known plastic particle manufacturing processes, the method of the invention not only has a lower energy consumption, but also can achieve the purpose of energy conservation and carbon saving. Further, as the polymer plastic particles needs no double-shaft extrusion machine for mixing and transport, they would not be damaged structurally and chain scission cannot be resulted. And the sheet polymer plastic particles of the invention have a higher number of molecules compared with the known plastic particles, thus having good ductility.
Description
Technical field
The present invention relates to a kind of sheet macromolecule and mould the manufacturing approach of grain.
Background technology
Known manufacturing approach of moulding grain; Usually earlier contain the isocyanates polymer of NCO (NCO), the hydroxy compounds and a bridging agent of a hydroxyl (OH) with one; Be delivered to the TPU (TPU) that the interior heating and melting of a certain amount of mixer becomes a liquid state simultaneously; Then through a twin shaft extruder this TPU extrusion to a Granulation Equipments is carried out granulation in the water again, mould a finished product to obtain; Wherein, Granulation is extruded this TPU in this water by the extrusion die head of this twin shaft extruder, makes this TPU form strip, through this Granulation Equipments this TPU is cut into circular or columniform bulk again; And let this block TPU fall into tank cooling to form one and mould grain; Through a heater this is moulded grain oven dry more at last, deliver to downstream after just can this being moulded particle packing, process various product later on.
Yet above-mentioned known manufacturing approach of moulding grain has disadvantage:
1, not only processing procedure is numerous and diverse for this manufacturing approach, and need to use high current consuming apparatus such as twin shaft extruder, and can consume the more energy, and according to the reality test, the whole institute of this manufacturing approach consuming electric power is about 500 to 800 kilowatts, does not meet environmental protection concept;
2, this manufacturing approach is made moulds that particle shape becomes bulk and heat conduction is slower, and system adds man-hour so the user in downstream is in the back, need to use the more energy could heating and melting this mould grain, the consumption in empty energization source;
3, this manufacturing approach must be used the twin shaft extruder to carry out mixing and carry; Cause the molecular structure of this TPU that the chain rupture cracking can take place, and reduce the molecular weight that this moulds grain, and then the ductility that causes this to mould grain is not good; Especially the user in downstream adds man-hour carrying out back system; Usually also can utilize the twin shaft extruder to carry out mixing conveying once more, and make the molecular structure chain rupture once more of this TPU, ductility can be poorer;
4, this manufacturing approach is moulded grain sticking mutually situation of generation in granulation process for fear of this; Usually can in this tank, add lubricant; Like silicon Li Kang or wax etc.; But this lubricant can make this mould grain surface and produce a lubricious sense, and system adds and produces the not enough problem of viscosity man-hour and the user who causes downstream easily is in the back.
Summary of the invention
The object of the present invention is to provide that a kind of molecular weight is higher, ductility is preferable and the processing procedure power consumption is lower and sheet macromolecule tool energy-saving and carbon-saving effect is moulded the manufacturing approach of grain.
For achieving the above object, the manufacturing approach that the present invention provides a kind of sheet macromolecule to mould grain, the manufacturing approach that said sheet macromolecule is moulded grain includes:
Mixed material: with one contain the isocyanates polymer of NCO, the hydroxy compounds and a bridging agent of a hydroxyl is quantitatively transferred in a certain amount of mixer simultaneously, is uniformly mixed into a liquid TPU;
Perfusion resin: gently discharge one first release liners through a conveying equipment earlier towards quantitative mixer; TPU with liquid state is poured into formation one thin resin layer on first release liners again; Paste one second release liners through conveying equipment in the opposite side roll extrusion of thin resin layer more afterwards; Make thin resin layer form even sheet, and along with carrying the nature cooling;
Force cooling: first release liners and second release liners of thin resin layer both sides are torn off, and let thin resin layer force cooling, make the complete maturation sclerosis of thin resin layer through a cooling device;
Sheet granulation: through a cutting apparatus thin resin layer is cut, mould grain with the macromolecule of obtaining sheet.
As preferred version, between in 0.5 to 2 millimeter of thickness circle of wherein said thin resin layer.
As preferred version, wherein said first release liners and second release liners are the cloudy surface release liners.
As preferred version, wherein said macromolecule is moulded grain and is hexagon.
As preferred version, the wherein said first hydroxy compounds with hydroxyl of isocyanates polymer that contains NCO is mixed into a mixture, further is mixed into liquid TPU with bridging agent again.
As preferred version; Wherein said conveying equipment has a delivery platform, and delivery platform is provided with one first chain wheel set and one second chain wheel set, first chain wheel set have one be arranged at quantitative mixer the place ahead the first dispensing wheel; And one be arranged at first of quantitative mixer rear and furl wheel; Respectively in order to dispensing with furl first release liners, and second chain wheel set is arranged at first chain wheel set top, and has one and be positioned at quantitative mixer and first and furl the dispensing of second between wheel and take turns; And one be positioned at second of the second dispensing wheel rear and furl wheel, respectively in order to dispensing with furl second release liners.
As preferred version, wherein said cooling device is an air conditioner.
As preferred version, wherein said cutting apparatus is a crush-cutting machine, and it utilizes the crush-cutting mode that the macromolecule that this thin resin layer cuts into sheet is moulded grain.
As preferred version, wherein said cutting apparatus is a die-cutting machine, and it utilizes the cross cutting mode that the macromolecule that this thin resin layer cuts into sheet is moulded grain.
Sheet macromolecule provided by the present invention is moulded the manufacturing approach of grain; Because need not use powerful twin shaft extruder to carry out mixing conveying; And this thin resin layer meeting nature in course of conveying cools off and need not use big tonnage cooling device to cool off; So compare with a known processing procedure of moulding, the energy that the present invention not only consumes is less; And because this macromolecule is moulded grain in the form of sheets, therefore the user when downstream system adds man-hour in the back, but only need the use small amount of energy just this macromolecule of heating and melting mould grain, and make the present invention can reach the purpose of energy-saving and carbon-saving; In addition, do not need to carry out mixing conveying, produce chain rupture, and compare and to have higher molecular number, and then make this macromolecule mould grain can to have preferable ductility with the known grain of moulding so can not receive structural destruction through the twin shaft extruder because this macromolecule is moulded grain.
Description of drawings
Fig. 1 is the manufacturing flow chart of preferred embodiment of the present invention;
Fig. 2 is the manufacturing sketch map of preferred embodiment of the present invention;
Fig. 3 moulds the stereogram of grain for the macromolecule of preferred embodiment of the present invention;
Fig. 4 is the manufacturing sketch map of another preferred embodiment of the present invention.
[primary clustering symbol description]
Storage vat-10; First storage vat-11; Second storage vat-12;
Quantitative mixer-20; The first quantitative mixer-21; The second quantitative mixer-22;
Conveying equipment-30; Delivery platform-31; First chain wheel set-32; The first dispensing wheel-321; First furls wheel-322; Second chain wheel set-33; The second dispensing wheel-331; Second furls wheel-332;
First release liners-40;
Thin resin layer-50;
Second release liners-60;
Cooling device-70;
Cutting apparatus-80;
Macromolecule is moulded grain-90.
The specific embodiment
In order further to understand characteristic of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, yet it only provides the usefulness of reference with explanation, is not to be used to limit the present invention.
See also Fig. 1, Fig. 2 and shown in Figure 3, for the manufacturing flow chart of preferred embodiment of the present invention, make the stereogram that sketch map and macromolecule are moulded grain, its disclosure has a kind of sheet macromolecule to mould the manufacturing approach of grain, and this manufacturing approach includes the following step:
Mixed material: with one contain the isocyanates polymer of NCO (NCO), the hydroxy compounds and a bridging agent of a hydroxyl (OH) stores respectively in a storage vat 10; And be quantitatively transferred to simultaneously in a certain amount of mixer 20, be uniformly mixed into the TPU (TPU) of a liquid state.
Perfusion resin: earlier through conveying equipment 30 court slowly quantitative mixer 20 dispensings one first release liners 40; TPU that again should liquid state is poured into and forms a thin resin layer 50 on first release liners 40, pastes one second release liners 60 through conveying equipment 30 in the opposite side roll extrusion of thin resin layer 50 more afterwards, makes thin resin layer 50 form even sheet; And along with carrying the nature cooling; Wherein, the thickness of thin resin layer 50 is controlled between 0.5 to 2 millimeter, and conveying equipment 30 then has a delivery platform 31; And delivery platform 31 is provided with one first chain wheel set 32 and one second chain wheel set 33; First chain wheel set 32 have one be arranged at quantitative mixer 20 the place aheads the first dispensing wheel 321, and one be arranged at first of quantitative mixer 20 rears and furl wheel 322, can supply respectively in order to dispensing with furl first release liners 40; Second chain wheel set 33 then is arranged at first chain wheel set, 32 tops; And have one and be positioned at the second dispensing wheel 331 that quantitative mixer 20 and first furls 322 on wheel, and one be positioned at second of the second dispensing wheel, 331 rears and furl wheel 332, can supply respectively in order to dispensing with furl second release liners 60; In addition, in the present embodiment, first release liners 40 and second release liners 60 are a cloudy surface release liners, and make the both sides of this thin resin layer can form the cloudy surface shape.
Force cooling: first release liners 40 and second release liners 60 of thin resin layer 50 both sides are torn off, and make thin resin layer 50 force cooling through a cooling device 70, make thin resin layer 50 complete maturation sclerosis, wherein, cooling device 70 is an air conditioner.
Sheet granulation: cut through 80 pairs of thin resin layer 50 of a cutting apparatus; Mould grain 90 with the macromolecule of obtaining sheet as shown in Figure 3; Wherein, Cutting apparatus 80 can be a crush-cutting machine or is a die-cutting machine, and the cross cutting capable of using or the mode of crush-cutting are moulded grain 90 with the macromolecule that thin resin layer 50 cuts into sheet; And in the present embodiment, because first release liners 40 and second release liners 60 are a cloudy surface release liners, so the both sides that macromolecule is moulded grain 90 can form the cloudy surface shape, and simultaneously, macromolecule is moulded the best of 90 and cut and be shaped as hexagon.
Please continue to consult Fig. 1, Fig. 2 and shown in Figure 3, through above-mentioned manufacturing step, the user only needs raw material is placed in storage vat 10 respectively; And be delivered in the quantitative mixer 20 and be uniformly mixed into this TPU, again this TPU is poured into afterwards and forms thin resin layer 50 on first release liners 40, and paste second strippable paper 60 at the opposite side of thin resin layer 50; Tear off first release liners 40 and second release liners 60 at last again, and force cooling, and cut through cutting apparatus 80 through cooling device 70; Just the desirable son that secures satisfactory grades is moulded grain 90, therefore, makes sheet macromolecule of the present invention mould the manufacturing approach of grain; Not only overall process is more known brief, and owing to need not use powerful twin shaft extruder, and this thin resin layer 50 can be cooled off by nature in course of conveying; And need not use the cooling device 70 of big tonnage, so the present invention can be still less compared to the power consumption of known processing procedure, simultaneously; Because this macromolecule is moulded grain 90 in the form of sheets; So when the user in downstream after system add man-hour, but also only need to use small amount of energy just this macromolecule of heating and melting mould grain 90, and make the present invention can reach the effect of energy-saving and carbon-saving.
What deserves to be mentioned is; Because manufacturing approach of the present invention need not use the twin shaft extruder to carry; Therefore make this macromolecule mould grain 90 and can not receive structural destruction generation chain rupture; And compare and have higher molecular number, and then make macromolecule mould grain 90 to have preferable ductility with the known grain of moulding; In addition; Because in manufacture process, first release liners 40 and second release liners 60 are a cloudy surface release liners, and the both sides that make macromolecule mould grain 90 can form the cloudy surface shape; Institute itself promptly has anti-adhesion effectiveness so that macromolecule is moulded grain 90; Need not re-use lubricant and be lubricated, and can add man-hour, effectively improve this macromolecule and mould the not enough problem of grain 90 viscosity in the back system.
Please consult shown in Figure 4 more simultaneously; Manufacturing sketch map for another preferred embodiment of the present invention; Manufacturing approach and aforementioned preferred embodiment difference that this sheet macromolecule is moulded grain are; During the mixed material step, contain the isocyanates polymer of NCO, the hydroxy compounds that contains OH and bridging agent and store respectively in one first storage vat 11 earlier, the isocyanates polymer that will contain NCO afterwards again is quantitatively transferred to one first quantitative mixer 21 with the hydroxy compounds that contains OH and is mixed into a mixture in advance; And store in one second storage vat 12; Last again this mixture and this bridging agent being delivered in the one second quantitative mixer 22 simultaneously is uniformly mixed into this liquid TPU, therefore, can reach the effect identical with aforementioned preferred embodiment.
The above is merely preferred embodiment of the present invention, is not in order to limit scope of patent protection of the present invention, so use spiritual equivalent structure variation of being done of patent of the present invention or modification etc. such as, all should in like manner be contained within the scope of patent protection of the present invention.
Claims (9)
1. the manufacturing approach that the sheet macromolecule is moulded grain is characterized in that, the manufacturing approach that said sheet macromolecule is moulded grain includes the following step:
Mixed material: with one contain the isocyanates polymer of NCO, the hydroxy compounds and a bridging agent of a hydroxyl is quantitatively transferred in a certain amount of mixer simultaneously, is uniformly mixed into a liquid TPU;
Perfusion resin: gently discharge one first release liners through a conveying equipment earlier towards quantitative mixer; TPU with liquid state is poured into formation one thin resin layer on first release liners again; Paste one second release liners through this conveying equipment in the opposite side roll extrusion of thin resin layer more afterwards; Make thin resin layer form even sheet, and along with carrying the nature cooling;
Force cooling: first release liners and second release liners of thin resin layer both sides are torn off, and let thin resin layer force cooling, make the complete maturation sclerosis of thin resin layer through a cooling device;
Sheet granulation: through a cutting apparatus thin resin layer is cut, mould grain with the macromolecule of obtaining sheet.
2. the sheet macromolecule manufacturing approach of moulding grain according to claim 1 is characterized in that, between in 0.5 to 2 millimeter of thickness circle of said thin resin layer.
According to claim 1 the sheet macromolecule mould the grain manufacturing approach, it is characterized in that said first release liners and second release liners are the cloudy surface release liners.
4. the sheet macromolecule manufacturing approach of moulding grain according to claim 1 is characterized in that said macromolecule is moulded grain and is hexagon.
According to claim 1 the sheet macromolecule mould the grain manufacturing approach; It is characterized in that; The said first hydroxy compounds with hydroxyl of isocyanates polymer that contains NCO is mixed into a mixture, further is mixed into liquid TPU with bridging agent again.
According to claim 1 the sheet macromolecule mould the grain manufacturing approach, it is characterized in that said conveying equipment has a delivery platform; And delivery platform is provided with one first chain wheel set and one second chain wheel set; First chain wheel set have one be arranged at quantitative mixer the place ahead the first dispensing wheel, and one be arranged at first of quantitative mixer rear and furl wheel, respectively in order to dispensing with furl first release liners; And second chain wheel set is arranged at first chain wheel set top; And have one and be positioned at quantitative mixer and first and furl the dispensing wheel of second between wheel, and one be positioned at second of the second dispensing wheel rear and furl wheel, respectively in order to dispensing with furl second release liners.
According to claim 1 the sheet macromolecule mould the grain manufacturing approach, it is characterized in that said cooling device is an air conditioner.
According to claim 1 the sheet macromolecule mould the grain manufacturing approach, it is characterized in that said cutting apparatus is a crush-cutting machine, it utilizes the crush-cutting mode that the macromolecule that thin resin layer cuts into sheet is moulded grain.
According to claim 1 the sheet macromolecule mould the grain manufacturing approach, it is characterized in that said cutting apparatus is a die-cutting machine, it utilizes the cross cutting mode that the macromolecule that thin resin layer cuts into sheet is moulded grain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110069043.1A CN102689374B (en) | 2011-03-22 | 2011-03-22 | Manufacturing method of sheet polymer plastic particles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110069043.1A CN102689374B (en) | 2011-03-22 | 2011-03-22 | Manufacturing method of sheet polymer plastic particles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102689374A true CN102689374A (en) | 2012-09-26 |
| CN102689374B CN102689374B (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110069043.1A Active CN102689374B (en) | 2011-03-22 | 2011-03-22 | Manufacturing method of sheet polymer plastic particles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102689374B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112300588A (en) * | 2020-11-12 | 2021-02-02 | 吴菊 | Preparation method of asphalt applied to coastal high-grade highway |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1115026A (en) * | 1964-12-14 | 1968-05-22 | Ici Ltd | Improved polyurethane manufacturing process |
| JPH11254432A (en) * | 1997-12-10 | 1999-09-21 | Basf Ag | Continuous manufacture of granular thermoplastic polyurethane elastomer |
| JP2003096196A (en) * | 2001-09-21 | 2003-04-03 | Oriental Kasei Kk | Colorant composition and method for manufacturing colored resin |
| CN101177051A (en) * | 2006-11-08 | 2008-05-14 | 凯力实业股份有限公司 | Method for preparing decorative tablet or decorative cloth with solid pattern |
-
2011
- 2011-03-22 CN CN201110069043.1A patent/CN102689374B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1115026A (en) * | 1964-12-14 | 1968-05-22 | Ici Ltd | Improved polyurethane manufacturing process |
| JPH11254432A (en) * | 1997-12-10 | 1999-09-21 | Basf Ag | Continuous manufacture of granular thermoplastic polyurethane elastomer |
| JP2003096196A (en) * | 2001-09-21 | 2003-04-03 | Oriental Kasei Kk | Colorant composition and method for manufacturing colored resin |
| CN101177051A (en) * | 2006-11-08 | 2008-05-14 | 凯力实业股份有限公司 | Method for preparing decorative tablet or decorative cloth with solid pattern |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112300588A (en) * | 2020-11-12 | 2021-02-02 | 吴菊 | Preparation method of asphalt applied to coastal high-grade highway |
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| Publication number | Publication date |
|---|---|
| CN102689374B (en) | 2014-08-20 |
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