CN102933753B - For the method manufacturing product - Google Patents
For the method manufacturing product Download PDFInfo
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- CN102933753B CN102933753B CN201180027988.5A CN201180027988A CN102933753B CN 102933753 B CN102933753 B CN 102933753B CN 201180027988 A CN201180027988 A CN 201180027988A CN 102933753 B CN102933753 B CN 102933753B
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- China
- Prior art keywords
- diluent
- spinning solution
- additive
- release device
- solution
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title abstract description 10
- 239000003085 diluting agent Substances 0.000 claims abstract description 33
- 239000002904 solvent Substances 0.000 claims abstract description 18
- 239000000126 substance Substances 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 239000000243 solution Substances 0.000 claims description 66
- 238000009987 spinning Methods 0.000 claims description 39
- 239000000654 additive Substances 0.000 claims description 13
- 230000000996 additive effect Effects 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000004898 kneading Methods 0.000 claims description 9
- 238000010790 dilution Methods 0.000 claims description 7
- 239000012895 dilution Substances 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 125000001302 tertiary amino group Chemical group 0.000 claims description 2
- 238000000465 moulding Methods 0.000 abstract description 14
- 238000011144 upstream manufacturing Methods 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 description 10
- 229920002678 cellulose Polymers 0.000 description 9
- 239000001913 cellulose Substances 0.000 description 9
- 229920000433 Lyocell Polymers 0.000 description 7
- 229920000297 Rayon Polymers 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- LFTLOKWAGJYHHR-UHFFFAOYSA-N N-methylmorpholine N-oxide Chemical compound CN1(=O)CCOCC1 LFTLOKWAGJYHHR-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000012991 xanthate Substances 0.000 description 1
Abstract
A kind of for being manufactured product by described basic substance in the device (2) making basic substance and solvent mixing, the particularly method of moulding bodies, wherein, the basic substance being used in manufacture overmolding solution mixes with described solvent, then from this mixture, remove described solvent at least in part, and be used for being processed further in the device (12) of product by described overmolding solution feeding, dilute described overmolding solution before further processing, it is intended to be incorporated into by diluent in the described device (2) of release device (4) upstream and/or introduced in described release device (4) by described diluent.
Description
Technical field
The present invention relates to a kind of for being produced by basic substance manufacture in the device making basic substance and solvent mixing
The method of product, especially moulding article, wherein, mixes to prepare overmolding solution with solvent by basic substance,
Then from this mixture, remove solvent at least in part, and be used for being processed further producing by overmolding solution feeding
In the equipment of product, before molding, dilute this overmolding solution.
Background technology
Under existing conditions, product can be transformed into the aggregation of any state, be such as transformed into liquid or
Moulding article.Term " moulding article " includes by owning that natural foundation material or artificial basic substance manufacture
Possible goods.Generally carry out this manufacture by mould, utilize this mould can be by basic substance system
Become the shape of moulding article.As example, it is noted that the nonrestrictive or viscose rayon of nonexcludability.
Viscose rayon is the fiber being made up of basic material cellulose, and the preparation of industrialization by adhesive means
Viscose rayon.The chemical property of viscose rayon is identical with the chemical property of cotton fiber.
Modal fibre (Modal fiber) is the product similar to viscose rayon.Modal fibre is also by 100%
Cellulose forms, and such as viscose rayon, prepares natural cellulose.But, by slightly different side
Method, it is achieved that higher fibre strength and the fibre property of improvement.
In cellulose fibre, also tencel (Tencel) fiber and lyocell (lyocell) fiber are carried out point
Class.In Lyocell fibers, cellulose directly dissolves and will not be by innoxious solvent NMMO(N-methyl morpholine
-N-oxide) change, and pre-reaction need not be carried out with NaOH and derive as xanthate.Lyocell fibers
Spinning occur dilution water as NMMO liquid in, wherein, the not up to dissolubility boundary of cellulose,
Thus form fiber.To this end, force corresponding spinning solution to pass through spinneret.Such as, DE 1713486,
US-A-3447939 or GB 8216566 describes this Lyocell fibers method.As at DE 19837210
Or shown in WO 02/20885A1, carry out suitable spinning solution mediating in reactor of lateral operation
Preparation.
In these devices and according to known method, according to the viscosity needed for follow-up spinning process and corresponding
Content of cellulose, prepare spinning solution.But, the related device for spinning may only process low viscosity
Spinning solution, but, it reduce the effectiveness of method for preparing spinning solution.Answer for special
With, need extremely low viscosity, so that low content of cellulose, in such applications, use known
Technology no longer can prepare spinning solution effectively.
The method that can also learn type described above from WO 2009/098073, according to this kind of method,
Before moulding process, overmolding solution is diluted.This means that viscosity is on the viscosity allowing spinning
Extremely viscous spinning solution is temporarily saved, is heated alternatively, then utilizes diluent its distinctive spy
Different reactor reaches the viscosity of desired overmolding solution.
Summary of the invention
Task
The main task of the present invention is to simplify previously described method and corresponding manufacture of configuration installs longitudinal bodies
(schlanker).
Solution
In order to solve described task, diluent is provided in the device being positioned at release device upstream and/or by dilute
Release agent to provide in release device.
This means to there is, in release device, the overmolding solution made so that this overmolding solution can temporarily preserve
In buffer container.If the consumption of overmolding solution must occur, then overmolding solution from buffer container flow out and
The overmolding solution made is further processed, such as, be directly provided in molding apparatus.
Compared with WO 2009/098073, this thought the most no longer makes overmolding solution (such as, spinning solution)
Preparation and molding (spinning) separated from one another, but make overmolding solution be present in the first kneading reactor
Outfan, and this overmolding solution has the viscosity needed for last molding.It has been proved that relatively high viscosity
Can be used in the known kneading reactor before release device so that there is also according to the new method of the present invention
This advantage.Only towards the process end mediated in reactor, even if or only in release device itself, according to
Overmolding solution is diluted to desired viscosity by the present invention.
This takes second place important in this method manufacturing moulding article.Preferably, filament, non-woven fabrics are manufactured
Or filament yarn.But, it is possible to manufacture thin film, doughnut, film etc..It is used for known to utilization manufacturing fibre
Spinning head, slotted nozzle or the hollow fiber spinneret of dimension, can make solution be shaped to desired fiber prime modulus
Mould goods.After molding, i.e. before the solution that will shape introduces coagulating bath, it is also possible to stretch.
Tertiary amino oxides, especially one hydration amine oxide, preferably as solvent.But, the present invention does not limits
In this.Present invention is also not necessarily limited to cellulose, but also include such material, breast the most protein-based, poly-
Acid or starch, or the mixture of these materials.
Tertiary amine also is used as diluent, but is also contemplated for other diluent.
As in WO 2009/098073, by optical index (refractive index) monitoring overmolding solution and/or dilute
Release the concentration of agent.Before diluent is introduced overmolding solution, this monitoring occurs in diluent, and/or
After dilution, this monitoring occurs in overmolding solution.Expect the model of the optical index of diluent and/or overmolding solution
Enclose is 1.40 to 1.50.
In order to diluent more preferably and is more effectively blended in overmolding solution, according to the present invention at release device
After should stop overmolding solution.Such as, the pump of the available speed operating to reduce carries out this obstruction.Stop
Mean that overmolding solution expends the longer time in release device and preferably mixes with diluent at this.
In another actual example of the present invention, it is this molding before release device and/or in release device
Solution provides additive..Preferably, additive is provided together with diluent.
Accompanying drawing explanation
Additional advantage, feature and the details of the present invention is by the description of following preferred actual example and reference
Accompanying drawing and become apparent；Accompanying drawing and its only illustrate according to the present invention for by basic substance,
The block diagram of the method for moulding article is particularly manufactured by reproducible raw material.
Detailed description of the invention
Cellulose needed for the method is provided in kneading reactor 2 by feed pipe 1.Such as, from
DE 19940521A1 or DE 4118884 can learn this kind of horizontal kneading reactor.But, the present invention is not
It is limited to this kind of kneading reactor.The present invention includes all making renewable raw materials through being subject to processing for spinning subsequently
The processing means of silk.
In this concrete example, utilize solvent, it is therefore preferable to a hydration amine oxide, carry out renewable raw materials
Process, this solvent is provided to by additional feed pipe 3 mediate in reactor.
In mediating reactor 2, raw material and solvent is made to be sufficiently mixed and make solvent to evaporate by heat supply, thus
Form the most full-bodied spinning solution.Then, alternatively spinning solution is fed to by release device 4
In buffer container 5.If necessary, then by interpolation heat, spinning solution is stored temporarily in buffer container 5.
But, according to the present invention, the most full-bodied spinning solution is being optionally supplied to buffer container 5
Before in or before direct supplying to finally process, this spinning solution is diluted.According to the present invention, releasing
Put in device 4 and be diluted, or even just before release device 4 in mediating reactor 2 towards
It is diluted when mediating the end of reactor.It is also possible to consider the combination of two point of additions.
Thering is provided the feed pipe 6 added to add the diluent to discharge in device 4, pump 7 is merged in charging
In pipeline 6.Reference 8 is utilized to indicate for the additional of diluent or other feed pipe.Pump 9
It is also incorporated in feed pipe 8.
Another pump 14 is incorporated between release device 4 and optional buffer container 5, profit after release device
Overmolding solution is stopped with this pump.
The method according to the invention performs with following steps:
By feed pipe 1 and feed pipe 3, by basic substance, especially renewable raw materials, and solvent
It is incorporated in kneading reactor 2.It is sufficiently mixed by heat supply, in this case, utilizes heating jacket,
Heat supply is carried out from outside by mediate axle and/or the kneading member (disc type element) that is heated being heated.In mixing
Period, further mechanical thermal input can be carried out by corresponding shearing.Shaping is concentrated by evaporation solvent
Solution (spinning solution) so that the solution of this shaping is not far kneading reactor 2 before release device 4
End there is the basic substance of high-load so that the solution of this shaping is particularly viscous for spinning subsequently.
Being now to utilize diluent to dilute this overmolding solution, this diluent passes through feed pipe 8 and/or feed pipe 6
There is provided.By optical index monitoring overmolding solution and/or the concentration of diluent.The also referred to as refraction of this optical index
Rate.Refractive index represents that the refracting characteristic when electromagnetic wave runs into the interface between two media is (on direction
Change) and reflection characteristic (reflect and be totally reflected).
In this example, it is preferable that before diluent is introduced overmolding solution, the optics of diluent is monitored
Index, after dilution, the optical index of monitoring overmolding solution.Diluent and/or the optical index of overmolding solution
Should be between 1.40 to 1.50.
It is contemplated that, alternately through feed pipe 6 or charging before release device or in release device
Additive is fed in overmolding solution/mixture by pipeline 8.This additive also can be supplied together with diluent.
Once use spinning solution, then the spinning solution of dilution is removed from buffer container 5, and utilize pump
13 are forced through spinning solution filter 10.Spinning solution is thus made to become uniformly.Then, if necessary,
Then spinning solution can be stored temporarily in another buffer container 11.Then, device 12 carries out reality
Spinning.
Reference numerals list
| 1 | Feed pipe | 34 | 67 | ||
| 2 | Mediate reactor | 35 | 68 | ||
| 3 | Feed pipe | 36 | 69 | ||
| 4 | Release device | 37 | 70 | ||
| 5 | Buffer container | 38 | 71 | ||
| 6 | Feed pipe | 39 | 72 | ||
| 7 | Pump | 40 | 73 | ||
| 8 | Feed pipe | 41 | 74 | ||
| 9 | Pump | 42 | 75 | ||
| 10 | Spinning solution filter | 43 | 76 | ||
| 11 | Buffer container | 44 | 77 | ||
| 12 | Device | 45 | 78 | ||
| 13 | Pump | 46 | 79 | ||
| 14 | Pump | 47 | |||
| 15 | 48 | ||||
| 16 | 49 | ||||
| 17 | 50 | E | |||
| 18 | 51 | ||||
| 19 | 52 | ||||
| 20 | 53 | ||||
| 21 | 54 | ||||
| 22 | 55 | ||||
| 23 | 56 | ||||
| 24 | 57 | ||||
| 25 | 58 | ||||
| 26 | 59 | ||||
| 27 | 60 | ||||
| 28 | 61 | ||||
| 29 | 62 | ||||
| 30 | 63 | ||||
| 31 | 64 | ||||
| 32 | 65 | ||||
| 33 | 66 |
Claims (14)
1. one kind for make raw material and solvent mixing laterally mediate in reactor (2) by renewable former
The method of spinning solution prepared by material, wherein, is mixed with solvent by the described raw material being used for preparing spinning solution
Close, from mixture, then remove described solvent at least in part, and described spinning solution is transported to
In the device (12) being processed further product, wherein, dilution is described before further processing
Spinning solution,
It is characterized in that,
The diluent introducing described horizontal kneading reactor (2) before release device (4) is neutralized/
Or described diluent is introduced in described release device (4).
Method the most according to claim 1, it is characterised in that after described release device (4)
Stop described spinning solution.
Method the most according to claim 1 and 2, it is characterised in that monitored by optical index
Described spinning solution and/or the concentration of described diluent.
Method the most according to claim 3, it is characterised in that described diluent is being introduced institute
Monitor the optical index of described diluent before stating in spinning solution, and/or monitor after dilution described
Optical index in spinning solution.
Method the most according to claim 3, it is characterised in that described diluent and/or described in spin
The optical index of silk solution is 1.40 to 1.50.
Method the most according to claim 1 and 2, it is characterised in that described release device it
Before and/or in described release device, additive is supplied to described spinning solution/mixture.
Method the most according to claim 6, it is characterised in that described additive is dilute with described
Release agent to provide together.
Method the most according to claim 6, it is characterised in that described additive is for being suspended in
State the inorganic substances in diluent.
Method the most according to claim 6, it is characterised in that described additive is for being suspended in
State in diluent or be dissolved in the organic substance in described diluent.
Method the most according to claim 6, it is characterised in that described additive is different having
Machine material and the mixture of inorganic substances.
11. methods according to claim 6, it is characterised in that described additive is suspended in described
In solvent and/or described diluent.
12. methods according to claim 6, it is characterised in that described additive is adding dilution
It is finely ground before agent, or is finely ground when not adding diluent.
13. methods according to claim 1 and 2, it is characterised in that described diluent is tertiary amine
Oxide.
14. methods according to claim 6, it is characterised in that select described additive, so that
Obtain described additive and on purpose affect described spinning solution or the performance of described product.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010014298.0 | 2010-04-08 | ||
| DE102010014298A DE102010014298A1 (en) | 2010-04-08 | 2010-04-08 | Producing a molded body, comprises mixing a basic material for producing a molding solution with a solvent in the device, and supplying molding solution into a device for molding after diluting |
| DE102010017339 | 2010-06-11 | ||
| DE102010017339.8 | 2010-06-11 | ||
| DE102010037530.6 | 2010-09-14 | ||
| DE102010037530A DE102010037530A1 (en) | 2010-06-11 | 2010-09-14 | Process for the preparation of a product |
| PCT/EP2011/001765 WO2011124387A1 (en) | 2010-04-08 | 2011-04-08 | Process for producing a product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102933753A CN102933753A (en) | 2013-02-13 |
| CN102933753B true CN102933753B (en) | 2016-12-14 |
Family
ID=
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1124506A (en) * | 1993-05-24 | 1996-06-12 | 考脱沃兹纤维(控股)有限公司 | Monitoring concentration of dope in product manufacture |
| CN1325462A (en) * | 1998-10-29 | 2001-12-05 | 西巴特殊化学品控股有限公司 | Incorporation of organic anti-microbials into fibres during a fibre spinning |
| CN101353824A (en) * | 2008-09-10 | 2009-01-28 | 浙江大学 | Method for physically dissolving grass plant fiber by secondary solubilizer |
| WO2009098073A1 (en) * | 2008-02-08 | 2009-08-13 | List Holding Ag | Method and device for the production of molded bodies |
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1124506A (en) * | 1993-05-24 | 1996-06-12 | 考脱沃兹纤维(控股)有限公司 | Monitoring concentration of dope in product manufacture |
| CN1325462A (en) * | 1998-10-29 | 2001-12-05 | 西巴特殊化学品控股有限公司 | Incorporation of organic anti-microbials into fibres during a fibre spinning |
| WO2009098073A1 (en) * | 2008-02-08 | 2009-08-13 | List Holding Ag | Method and device for the production of molded bodies |
| CN101353824A (en) * | 2008-09-10 | 2009-01-28 | 浙江大学 | Method for physically dissolving grass plant fiber by secondary solubilizer |
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|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190919 Address after: Aristotle, Switzerland Patentee after: Lister technology joint-stock company Address before: Aristotle, Switzerland Patentee before: List Holding AG |