CN205171030U - Coloured polyester fiber's of painted preparation of stoste apparatus for producing - Google Patents
Coloured polyester fiber's of painted preparation of stoste apparatus for producing Download PDFInfo
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- CN205171030U CN205171030U CN201520941267.0U CN201520941267U CN205171030U CN 205171030 U CN205171030 U CN 205171030U CN 201520941267 U CN201520941267 U CN 201520941267U CN 205171030 U CN205171030 U CN 205171030U
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Abstract
The utility model discloses a coloured polyester fiber's of painted preparation of stoste apparatus for producing. Pigment disperse system, thick liquids supply system, the online addition system of thick liquids that it is connected including the order are still including the oligomer pipeline, homogenization system, polycondensation system, the spinning system that connect in proper order, still be equipped with granulation system between polycondensation system and spinning system, the online addition system's of thick liquids delivery outlet is located oligomer pipeline, pigment disperse system is connected with pigment storage tank, stabilizer storage tank, dispersing agent storage tank respectively, the device still includes pigment recovery system. It is painted that the device can realize carrying out stoste to polyester fiber, prepares out coloured polyester chip or fibre. The coloured polyester chip or the fibre of the device production, pigment uniformly the dispersion in the polyester system, section or fuse -element through the agent of spinning formation after stain promptly by the set in the fibre, the product colour fastness is high, between criticizing with criticize in colourless poor basically, the big production of serialization in batches is particularly suitable for.
Description
Technical field
The utility model belongs to technical field of polyester fiber production, relates to the process units that a kind of original liquid coloring prepares coloured polyester fiber.
Background technology
In recent years, along with the raising of people's living standard, the demand of people to high-quality colored fabric increases year by year.Although through development for many years, China becomes rapidly the first in the world experimental branch line big country.Along with the adjustment of product structure, output that is differential, functional modification polyester fiber will have raising by a relatively large margin.Polyester due to its molecular structure arrangement regular, the high shortage dye radical of degree of crystallinity, so should not dye.The colouring method of polyester textile, yarn routine is generally adopt DISPERSE DYES, dyes under High Temperature High Pressure, and modified poly ester adopts the bath dye methods such as cation dyes boiling dyeing at normal pressure as CDP.Bath dye method is more ripe, but invests comparatively large on equipment, and product COLOR FASTNESS is low, unstable quality, and process is long, cost is high, produce the three wastes, and intractability is large, environmental pollution weight.To the dyed in the mass method that polyester is taked, be in spinning process, add a certain proportion of Masterbatch obtain colored fibre, i.e. Masterbatch original liquid coloring method, this is the method for the production polyester color yarn that current chemical fiber factory is commonly used.The method equipment investment is few, does not need to dye, reduces production cost, significantly decrease environmental pollution, be more and more subject to the favor of textile enterprise and user in later process.But Masterbatch original liquid coloring method exists following shortcoming: Masterbatch needs processing in addition, master batch needs dry in advance, and release color is slow, easily occurs and the irregular aberration problem caused of melt mixed.
Therefore, find suitable production method and process units continuous seepage high-quality coloured polyester fiber is significant, both contributed to the industrialization realizing coloured polyester fiber, contribute to again the differential level improving PET industry.
No. 201420735798X process units that patent discloses a kind of original liquid coloring and prepare black polyester fiber, this device comprises the carbon black grinding system, slurry reaction system, slurry supply system, the online add-on system of slurry that are linked in sequence, also comprises the oligomer conveyance conduit, homogenization system, polycondensation system, the spinning system that are linked in sequence; Wherein, the delivery outlet of the online add-on system of slurry is positioned on oligomer conveyance conduit.Though this device can make pigment dispersed in the polyester, it is only applicable to original liquid coloring production black polyester fiber, and is not suitable for original liquid coloring production coloured polyester fiber.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of make pigment in the polyester homodisperse original liquid coloring prepare the process units of coloured polyester fiber.
The technical solution of the utility model is as follows:
A kind of original liquid coloring prepares the process units of coloured polyester fiber, it comprises the pigment decentralized system, slurry supply system, the online add-on system of slurry that are linked in sequence, also comprises the oligomer conveyance conduit, homogenization system, polycondensation system, the spinning system that are linked in sequence; The delivery outlet of the online add-on system of slurry is positioned on oligomer conveyance conduit.
Further, after polycondensation system, before spinning system, also granulating system is equipped with; After polycondensation system, be provided with the switching device shifter switching to spinning system or granulating system.
Described pigment decentralized system is connected with pigment storage tank, stabilizing agent storage tank, dispersant storage tank respectively.
Described polycondensation system comprises the precondensation still and whole polycondensation vessel that are linked in sequence.
Said apparatus also comprises a pigment recovery system, and its input port is connected with the light fraction delivery outlet of polycondensation system, and its delivery outlet is connected with pigment decentralized system.I.e. pigment recovery system in the light fraction of polycondensation system disposition, to realize reaching by reclaiming light fraction the object reclaiming pigment.
Utilizing said apparatus to carry out original liquid coloring, to prepare the production method of coloured polyester fiber as follows: by quantitative pigment and stabilizing agent, dispersant adds pigment decentralized system, after dispersion, homodisperse coloured slurry through Cemented filling to slurry supply system, again by the online add-on system of slurry, injection is added in oligomer conveyance conduit, fully mix through homogenization system, complete after polycondensation reaction obtains polyester fondant through polycondensation system again, directly enter spinning system and carry out spinning, or to obtain through granulating system and enter spinning system again after polyester slice and carry out spinning, namely target product coloured polyester fiber is obtained.The light fraction that polycondensation system is deviate from enters pigment recovery system, and the pigment of recovery is transported to pigment decentralized system and recycles.
Pigment in the utility model is organic pigment: paratonere 254, paratonere 185, pigment blue 15: any one or two kinds 3, in pigment yellow 13 8, pigment yellow 191.This pigment is polychrome system organic macromolecule pigment, after this pigment disperses in dispersant and liquid dispersion medium (water, ethylene glycol etc.), good with the compatibility of polyester, can be evenly dispersed in polymerization system, carry out painted to polyester, obtain the homodisperse coloured polyester product of pigment thus.General organic pigment can not tolerate 280-290 DEG C of high temperature of polyester polymerization reaction take place, greatly can improve the high high-temp stability of organic pigment after adding stabilizing agent.After adding stabilizing agent, the organic pigment comprised in coloured slurry can tolerate 300 DEG C of high temperature, and COLOR FASTNESS is excellent, does not decompose and does not distil, and does not affect the carrying out of polyester reaction.Described stabilizing agent is phosphorus series compound, as tributyl phosphate, triethyl phosphate, trimethyl phosphate, phosphoric acid etc.
In the utility model, the compatibility of coloured slurry and polyester is good.This coloured slurry is by after carrying out dispersion treatment to colored pigment, the homodisperse coloured slurry of the pigment obtained.
The utility model carries out preferably on the coal addition position of slurry: in the oligomer conveyance conduit after slurry is joined esterification before precondensation, oligomer viscosities is low, slurry easily and oligomer mix, pigment heated time is shorter, the decentralized medium added with pigment is extracted out by precondensation vacuum system greatly, reduce the load of whole polycondensation vacuum system, easily obtain that viscosity is higher, the finely dispersed product of pigment.
Find through contrast, original liquid coloring described in the present invention prepares the production process route of coloured polyester fiber, the production process route preparing black polyester fiber with original liquid coloring disclosed in 201420735798X patent differs widely, and does not exist together and is mainly reflected in following several respects:
(1) in the production technology of black polyester fiber, carbon black is after carbon black grinding system grinds to form fine grained, need carbon black to put into again slurry reaction system and add catalyst and graft compound carries out grafting chemical reaction with it, just can obtain homodisperse black paste.And in the production technology of coloured polyester fiber, pigment does not need to carry out grafting chemical reaction with catalyst and graft compound, but by pigment decentralized system carry out dispersed after, directly just can obtain homodisperse coloured slurry, do not need pigment to put into slurry reaction system and add catalyst and graft compound carries out grafting chemical reaction with it, therefore, slurry reaction system is not needed in the process units of coloured polyester fiber.
(2) initial feed of production black polyester fiber only has carbon black and dispersant; And the initial feed of producing coloured polyester fiber is except carbon black and dispersant, also has stabilizing agent.Therefore, a raw material storage tank to be increased in the process units of coloured polyester fiber.
(3) black polyester fiber production technology posterior segment only include polyester fondant and directly enter spinning system and carry out this process route of spinning; And the production technology posterior segment of coloured polyester fiber comprises polyester fondant directly enters spinning system and carry out spinning, or to obtain through granulating system and enter spinning system again after polyester slice and carry out these two process routes of spinning, therefore, the process units back segment of coloured polyester fiber wants complicated relatively.
The beneficial effects of the utility model:
The utility model is prepared on the basis of the process units of black polyester fiber at original liquid coloring a kind of disclosed in 201420735798X patent and is improved.Compared with preparing the process units of black polyester fiber with original liquid coloring a kind of disclosed in 201420735798X patent, a slurry reaction system is eliminated in process units of the present utility model, add a stabilizing agent storage tank, the production making this device can be used in original liquid coloring to prepare coloured polyester fiber; Add granulating system, set up the switching device shifter switching to spinning system or granulating system, make the processing mode disposal ability of this device more flexible, melt direct spinning can be carried out and can obtain spinning after polyester slice through granulation again, different target products can be obtained thus.
Original liquid coloring of the present utility model prepares the process units of coloured polyester fiber, can realize carrying out original liquid coloring to polyester fiber, prepares coloured polyester fiber.Stable under coloured slurry normal temperature that this device is produced, good with polyester compatibility; Pigment is evenly dispersed in polymerization system, and through spinning technique after stain agent (pigment) namely by set in the fibre, product COLOR FASTNESS is high for melt; With batch interior basic no color differnece between batch; All there is important function to the pollution problem that raising China's current polyester differentiation rate level and solution fiber after stain are brought.
Accompanying drawing explanation
Fig. 1 is the structural representation that a kind of original liquid coloring of the utility model prepares the process units of coloured polyester fiber.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment 1
As shown in Figure 1, a kind of original liquid coloring of the utility model prepares the process units of coloured polyester fiber, it comprises the pigment decentralized system, slurry supply system, the online add-on system of slurry that are linked in sequence, also comprises the oligomer conveyance conduit, homogenization system, polycondensation system, the spinning system that are linked in sequence; After polycondensation system, before spinning system, be also equipped with granulating system; After polycondensation system, be provided with the switching device shifter switching to spinning system or granulating system; Switching device shifter as required, switch to spinning system after polycondensation system completes polycondensation reaction, namely directly to enter spinning system carry out spinning, or be switched to granulating system and after polycondensation system completes polycondensation reaction, after granulating system obtains polyester slice, namely enter spinning system more again carry out spinning.
The delivery outlet of the online add-on system of slurry is positioned on oligomer conveyance conduit.Polycondensation system comprises the precondensation still and whole polycondensation vessel that are linked in sequence.Pigment decentralized system is connected with pigment storage tank, stabilizing agent storage tank, dispersant storage tank respectively.This device also comprises a pigment recovery system, and its input port is connected with the light fraction delivery outlet of polycondensation system, and its delivery outlet is connected with pigment decentralized system.
Utilizing said apparatus to carry out original liquid coloring, to prepare the production method of coloured polyester fiber as follows: pigment and stabilizing agent, decentralized medium, after pigment decentralized system fully disperses, obtain homodisperse coloured slurry; Coloured slurry is through Cemented filling to slurry supply system, then by the online add-on system of slurry, injection is added in oligomer conveyance conduit, then fully mixes through homogenization system, to improve the mixing efficiency of slurry and oligomer; The slurry mixed and the mixture of polyester oligomer complete after polycondensation reaction obtains polyester fondant through polycondensation system, directly entering spinning system adopts existing Conventional melt direct spinning process to carry out spinning, or to obtain through granulating system and enter spinning system again after polyester slice and carry out spinning, namely obtain target product coloured polyester fiber.The light fraction that polycondensation system is deviate from enters pigment recovery system, and the pigment of recovery is transported to pigment decentralized system and recycles.
Embodiment 2
0.5kg paratonere 254, then add 9.5kg ethylene glycol as decentralized medium, add 0.03kg tributyl phosphate as stabilizing agent, fully after dispersion, obtain homodisperse low viscous red slurry; Red slurry is joined in oligomer conveyance conduit by slurry add-on system on-line metering, after homogenization system mixes, enter precondensation still respectively, red polyester fondant (pigment mass fraction is 0.75%) that whole polycondensation vessel reaction acquired character viscosity is 0.68dl/g, red polyester fondant is admitted to spinning manifold after melt pipe to carry out spinning to obtain intensity is 2.95cN/dtex, percentage elongation is the PET of 20%, color fastness to light >4 level.
Embodiment 3
5kg pigment blue 15: 3, then add 5kg ethylene glycol as decentralized medium, fully after dispersion, add 0.1kg trimethyl phosphate as stabilizing agent, obtain homodisperse blue slurry; Blue slurry is joined in oligomer conveyance conduit by slurry add-on system on-line metering, after homogenization system mixes, enter precondensation still respectively, blue polyester fondant (pigment mass fraction is 1.0%) that whole polycondensation vessel reaction acquired character viscosity is 0.81dl/g, blue polyester fondant is admitted to spinning manifold after melt pipe to carry out spinning to obtain intensity is 3.0cN/dtex, percentage elongation is the blue polyester fiber of 23%, color fastness to light >4 level.
Embodiment 4
2kg pigment yellow 13 8, adds 8kg water as decentralized medium, adds 0.04kg phosphoric acid as stabilizing agent, fully after dispersion, obtains homodisperse yellow slurry; Yellow slurry is joined in oligomer conveyance conduit by slurry add-on system on-line metering, after homogenization system mixes, enter precondensation still respectively, yellow-coloured polyester melt (pigment mass fraction is 1.5%) that whole polycondensation vessel reaction acquired character viscosity is 0.75dl/g, yellow-coloured polyester melt obtains after yellow-coloured polyester section through discharging granulating system, carrying out indirect spinning, to obtain intensity be 3.2cN/dtex, percentage elongation is the yellow-coloured polyester fiber of 21%, color fastness to light >4 level.
Claims (8)
1. an original liquid coloring prepares the process units of coloured polyester fiber, it is characterized in that, it comprises the pigment decentralized system, slurry supply system, the online add-on system of slurry that are linked in sequence, also comprises the oligomer conveyance conduit, homogenization system, polycondensation system, the spinning system that are linked in sequence; The delivery outlet of the online add-on system of slurry is positioned on oligomer conveyance conduit.
2. original liquid coloring as claimed in claim 1 prepares the process units of coloured polyester fiber, it is characterized in that, after polycondensation system, before spinning system, is also equipped with granulating system; After polycondensation system, be provided with the switching device shifter switching to spinning system or granulating system.
3. original liquid coloring as claimed in claim 1 or 2 prepares the process units of coloured polyester fiber, and it is characterized in that, described pigment decentralized system is connected with pigment storage tank, stabilizing agent storage tank, dispersant storage tank respectively.
4. original liquid coloring as claimed in claim 1 or 2 prepares the process units of coloured polyester fiber, and it is characterized in that, described polycondensation system comprises the precondensation still and whole polycondensation vessel that are linked in sequence.
5. original liquid coloring as claimed in claim 1 or 2 prepares the process units of coloured polyester fiber, it is characterized in that, this device also comprises a pigment recovery system, and its input port is connected with the light fraction delivery outlet of polycondensation system, and its delivery outlet is connected with pigment decentralized system.
6. original liquid coloring as claimed in claim 3 prepares the process units of coloured polyester fiber, and it is characterized in that, this device also comprises a pigment recovery system, and its input port is connected with the light fraction delivery outlet of polycondensation system, and its delivery outlet is connected with pigment decentralized system.
7. original liquid coloring as claimed in claim 3 prepares the process units of coloured polyester fiber, and it is characterized in that, described polycondensation system comprises the precondensation still and whole polycondensation vessel that are linked in sequence.
8. original liquid coloring as claimed in claim 7 prepares the process units of coloured polyester fiber, and it is characterized in that, this device also comprises a pigment recovery system, and its input port is connected with the light fraction delivery outlet of polycondensation system, and its delivery outlet is connected with pigment decentralized system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520941267.0U CN205171030U (en) | 2015-11-23 | 2015-11-23 | Coloured polyester fiber's of painted preparation of stoste apparatus for producing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520941267.0U CN205171030U (en) | 2015-11-23 | 2015-11-23 | Coloured polyester fiber's of painted preparation of stoste apparatus for producing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205171030U true CN205171030U (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520941267.0U Active CN205171030U (en) | 2015-11-23 | 2015-11-23 | Coloured polyester fiber's of painted preparation of stoste apparatus for producing |
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| Country | Link |
|---|---|
| CN (1) | CN205171030U (en) |
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- 2015-11-23 CN CN201520941267.0U patent/CN205171030U/en active Active
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