CN204237904U - A kind of original liquid coloring prepares the process units of black polyester fiber - Google Patents
A kind of original liquid coloring prepares the process units of black polyester fiber Download PDFInfo
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- CN204237904U CN204237904U CN201420735798.XU CN201420735798U CN204237904U CN 204237904 U CN204237904 U CN 204237904U CN 201420735798 U CN201420735798 U CN 201420735798U CN 204237904 U CN204237904 U CN 204237904U
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Abstract
The utility model discloses the process units that a kind of original liquid coloring prepares black polyester fiber.It 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.This device also comprises a sootlecovery system, and its input port is connected with polycondensation system, and its delivery outlet is connected with carbon black grinding system.Process units of the present utility model can realize carrying out original liquid coloring to polyester fiber, prepares black polyester fiber.Stable under the black paste normal temperature that this device is produced, good with polyester compatibility; Pigment is evenly dispersed in polymerization system, and through the agent of spinning technique after stain namely by set in the fibre, product COLOR FASTNESS is high for melt; With batch interior basic no color differnece between batch; Raising China current polyester differentiation rate level is played an important role.
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 black polyester fiber.
Background technology
In recent years, along with the raising of people's living standard, the demand of people to high-quality black fabric increases year by year.Although through development for many years, China becomes rapidly the first in the world experimental branch line big country, but mainly based on the expansion of normal polyester output, routinizes, unification is serious, in product development and technological innovation, there is wretched insufficiency, differentiation of product rate is well below developed country.Therefore find the suitable high-quality black polyester fiber of method continuous seepage significant, both contributed to the industrialization realizing black polyester fiber, contribute to again the differential level improving PET industry.
Black fiber production method comprises: bath dye method, polymerization process colouring, section dry coloring method, dyestuff and feed stock chip co-blended spinning method, Masterbatch and feed stock chip co-blended spinning method etc., and usual is bath dye method, polymerization process colouring and Masterbatch and feed stock chip co-blended spinning method.
Bath dye method is more ripe, but product COLOR FASTNESS is low, unstable quality, and with batch internal memory aberration to a certain extent between batch, be only suitable for the production of small lot, and process is long, cost is high, and produces a large amount of sewage, environmental pollution is serious.Masterbatch colouration method shortcoming is that master batch needs drying in advance, and release color is slow, easily occurs and the irregular aberration problem caused of melt mixed.Polymerization process colouring adds the slurry that face (dye) is expected in polymerization system together with oligomer, directly prepare colored fibre, face (dye) material is evenly dispersed in polymerization system, and through the agent of spinning technique after stain namely by set in the fibre, product COLOR FASTNESS is high; With batch interior basic no color differnece between batch, be particularly suitable for continuous prodution in enormous quantities.
Traditional polymerization process colouring, the multiplex physical method preparation of preparation of colouring agent slurry, by face (dye) material, dispersant, carrier mixed grinding, to improve the compatibility of pigment and polyester; Polyester and spinning are carried out at temperature 280-290 DEG C, requirement dispersant is high temperature resistant, and it is at high temperature stronger with face (dye) material adhesion, and after physical modification face (dye) material and dispersant be combined into physical action, active force is more weak, and high temperature hypostome (dye) material is easily reunited.
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 black polyester fiber.
The technical solution of the utility model is as follows:
A kind of original liquid coloring prepares the process units of black polyester fiber, it 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.
Said apparatus also comprises a sootlecovery system, and its input port is connected with the light fraction delivery outlet of polycondensation system, and its delivery outlet is connected with carbon black grinding system.I.e. sootlecovery system in polycondensation system disposition cut, to realize reaching by reclaiming cut the object reclaiming carbon black.
Utilizing said apparatus to carry out original liquid coloring, to prepare the production method of black polyester fiber as follows: quantitative carbon black and dispersant are added carbon black grinding system, after grinding, moved in slurry reaction system by pipeline, add after catalyst and graft compound carry out grafting chemical reaction and obtain homodisperse black paste; Homodisperse black paste through Cemented filling to slurry supply system, again by the online add-on system of slurry, injection is added in oligomer conveyance conduit, after homogenization system fully mixes, enter polycondensation system and obtain polyester fondant, then enter spinning system and directly spin and obtain target product black polyester fiber.The light fraction that polycondensation system is deviate from enters sootlecovery system, and the carbon black of recovery is transported to carbon black grinding system and recycles.
Polyester described in the utility model is: the one in polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT), poly butylene succinate.
In the utility model, the compatibility of black paste and polyester is good.This black paste is by carrying out milled processed to black pigment carbon black, then under catalyst action by grafting and the similar compound of carbon blacksurface structure, namely grafting can with the compound of carbon blacksurface group generation chemical reaction, the homodisperse black paste obtained.Pigment (carbon black) surface grafting can with the compound of surface of pigments group generation chemical reaction, the compatibility of pigment and decentralized medium and polyester can be improved.
The utility model carries out preferably on the coal addition position of slurry: in the oligomer conveyance conduit after carbon black slurry is joined esterification before precondensation, oligomer viscosities is low, carbon black slurry easily and oligomer mix, carbon black heated time is shorter, the decentralized medium added with carbon black is extracted out by precondensation vacuum system greatly, reduce the load of whole polycondensation vacuum system, easily obtain that viscosity is higher, the uniform product of carbon black dispersion.
The beneficial effects of the utility model:
Original liquid coloring of the present utility model prepares the process units of black polyester fiber, can realize carrying out original liquid coloring to polyester fiber, prepares black polyester fiber.Stable under the black paste normal temperature that this device is produced, good with polyester compatibility; Pigment is evenly dispersed in polymerization system, and through the agent of spinning technique after stain 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 black 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 black polyester fiber, it 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.Slurry reaction system comprises a special reactor.Polycondensation system comprises the precondensation still and whole polycondensation vessel that are linked in sequence.This device also comprises a sootlecovery system, and its input port is connected with polycondensation system, and its delivery outlet is connected with carbon black grinding system.
Utilizing said apparatus to carry out original liquid coloring, to prepare the production method of black polyester fiber as follows: carbon black and decentralized medium water are after carbon black grinding system fully grinds, move in the special reactor of slurry reaction system, slowly be heated to boiling, add again can with compound (the i.e. graft compound of carbon blacksurface group generation grafting chemical reaction, as: the polymer containing ester group), add proper catalyst (titanium ethylene glycolate simultaneously, tetraethyl titanate, antimony glycol etc.), fully react at temperature 230 ~ 250 DEG C and the continuous condition stirred, obtain homodisperse carbon black slurry, black paste 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 polycondensation reaction through polycondensation system and (first carry out prepolymerization reaction at precondensation still, whole polycondensation reaction is carried out again) at whole polycondensation vessel, directly entering spinning system after obtaining polyester fondant adopts existing Conventional melt direct spinning process to carry out spinning, namely obtains target product black polyester fiber.The light fraction that polycondensation system is deviate from enters sootlecovery system, and the carbon black of recovery is transported to carbon black grinding system and recycles.
Embodiment 2
10kg water is added as decentralized medium in 3kg rubber black N110, after carbon black grinding system fully grinds, move in the special reactor of slurry reaction system, slowly be heated to boiling, add graft compound ethylene glycol terephthalate again and add proper catalyst titanium ethylene glycolate simultaneously, fully react under temperature is 250 DEG C and the condition that constantly stirs, obtain homodisperse low viscous carbon black slurry; Carbon black slurry is joined in polyethylene terephthalate oligomer conveyance conduit by the online add-on system on-line metering of slurry, after homogenization system mixes, enter precondensation still respectively, black polyester melt (carbon black mass mark is 1.5%) that whole polycondensation vessel reaction acquired character viscosity is 0.68dl/g, black polyester melt is admitted to spinning manifold after melt pipe to carry out spinning to obtain intensity is 3.5cN/dtex, percentage elongation is the PET of 25%, color fastness to light >4 level.
Embodiment 3
12kg water is added as decentralized medium in 5kg colour carbon black R330, after carbon black grinding system fully grinds, move in the special reactor of slurry reaction system, slowly be heated to boiling, add graft compound propylene glycol ester terephthalate again, add proper catalyst tetraethyl titanate simultaneously, fully react under temperature is 240 DEG C and the condition that constantly stirs, obtain homodisperse low viscous carbon black slurry; Carbon black slurry is joined in polytrimethylene terephthalate oligomer conveyance conduit by slurry add-on system on-line metering, after homogenization system mixes, enter precondensation still respectively, black polyester melt (carbon black mass mark is 1.2%) that whole polycondensation vessel reaction acquired character viscosity is 0.93dl/g, black polyester melt is admitted to spinning manifold after melt pipe to carry out spinning to obtain intensity is 2.7cN/dtex, percentage elongation is the PTT fiber of 35%, color fastness to light >4 level.
Embodiment 4
70kg water is added as decentralized medium in 5kg rubber black N332, after carbon black grinding system fully grinds, move in the special reactor of slurry reaction system, slowly be heated to boiling, add graft compound mutual-phenenyl two acid bromide two alcohol ester again, add proper catalyst metatitanic acid orthocarbonate simultaneously, fully react under temperature is 230 DEG C and the condition that constantly stirs, obtain homodisperse low viscous carbon black slurry; Carbon black slurry is joined in polybutylene terephthalate (PBT) oligomer conveyance conduit by slurry add-on system on-line metering, after homogenization system mixes, enter precondensation still respectively, black polyester melt (carbon black mass mark is 1.6%) that whole polycondensation vessel reaction acquired character viscosity is 1.2dl/g, black polyester melt is admitted to spinning manifold after melt pipe to carry out spinning to obtain intensity is 3.2cN/dtex, percentage elongation is the polybutylene terephthalate (PBT) fiber of 35%, color fastness to light >4 level.
Claims (4)
1. an original liquid coloring prepares the process units of black polyester fiber, it is characterized in that, it 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.
2. original liquid coloring as claimed in claim 1 prepares the process units of black polyester fiber, and it is characterized in that, described polycondensation system comprises the precondensation still and whole polycondensation vessel that are linked in sequence.
3. original liquid coloring as claimed in claim 1 prepares the process units of black polyester fiber, and it is characterized in that, described slurry reaction system comprises a reactor.
4. original liquid coloring as claimed in claim 1 prepares the process units of black polyester fiber, and it is characterized in that, this device also comprises a sootlecovery system, and its input port is connected with the light fraction delivery outlet of polycondensation system, and its delivery outlet is connected with carbon black grinding system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420735798.XU CN204237904U (en) | 2014-11-27 | 2014-11-27 | A kind of original liquid coloring prepares the process units of black polyester fiber |
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| CN201420735798.XU CN204237904U (en) | 2014-11-27 | 2014-11-27 | A kind of original liquid coloring prepares the process units of black polyester fiber |
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| CN204237904U true CN204237904U (en) | 2015-04-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107723831A (en) * | 2016-08-10 | 2018-02-23 | 中国纺织科学研究院 | A kind of original liquid coloring polyester fiber and preparation method thereof |
| CN110129915A (en) * | 2019-05-28 | 2019-08-16 | 江南大学 | A kind of method that original liquid coloring prepares black acid fiber by polylactic |
| WO2023192067A1 (en) | 2022-03-28 | 2023-10-05 | Cabot Corporation | Dispersions of carbon black in alkylene glycol and in situ polymerization of polyester therewith |
-
2014
- 2014-11-27 CN CN201420735798.XU patent/CN204237904U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107723831A (en) * | 2016-08-10 | 2018-02-23 | 中国纺织科学研究院 | A kind of original liquid coloring polyester fiber and preparation method thereof |
| CN110129915A (en) * | 2019-05-28 | 2019-08-16 | 江南大学 | A kind of method that original liquid coloring prepares black acid fiber by polylactic |
| WO2023192067A1 (en) | 2022-03-28 | 2023-10-05 | Cabot Corporation | Dispersions of carbon black in alkylene glycol and in situ polymerization of polyester therewith |
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