CN106543775A - A kind of spandex fibre titanium dioxide and preparation method thereof - Google Patents
A kind of spandex fibre titanium dioxide and preparation method thereof Download PDFInfo
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- CN106543775A CN106543775A CN201610914022.8A CN201610914022A CN106543775A CN 106543775 A CN106543775 A CN 106543775A CN 201610914022 A CN201610914022 A CN 201610914022A CN 106543775 A CN106543775 A CN 106543775A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/36—Compounds of titanium
- C09C1/3607—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/04—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/04—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
- C09C3/041—Grinding
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/04—Pigments
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/94—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of other polycondensation products
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of spandex fibre titanium dioxide, its raw material includes that the proportioning of the titanium dioxide and pure water that purity is 98%, the titanium dioxide and pure water is 1:2~1:2.3, in the titanium dioxide, the content of ferrum is not more than 0.01%.The preparation method of spandex fibre titanium dioxide of the present invention is comprised the following steps：Step 1, for the first time washing, step 2, sand milling, step 3, second washing, step 4, centrifugal classification, step 5, precipitation, step 6, centrifuge dehydration, step 7, drying, step 8, crush, obtain the spandex fibre titanium dioxide that granularity is 0.22 0.28, the resistivity of the titanium dioxide is 8,000 10000 Ω/cm.Present invention process is simple, and obtained titanium dioxide resistivity is high, and permeability is more preferable.
Description
Technical field
The invention belongs to food spandex fibre manufacture field, and in particular to a kind of spandex fibre titanium dioxide and its system
Preparation Method.
Background technology
Chemical fiber grade titanium dioxide is white powder, water insoluble, physiological-toxicity-free, and stable chemical nature disappears with lighter
The premium properties such as color power, covering power, thus it is widely used in the fields such as chemical fibre, weaving.
Chemical-fiber-grade titanium dioxide：Play in chemical fibre industry and textile industry application and brighten and delustring.Can also increase simultaneously
The toughness of fiber, with pliability.
The spandex fibre titanium dioxide of the Germany of whole import at present, it is expensive, production cost is substantially increased, it is domestic
Also do not have manufacturer to spandex fibre titanium dioxide technological development.
The content of the invention
For problems of the prior art, the present invention provides a kind of spandex fibre titanium dioxide and its preparation side
Method, can greatly improve the resistivity of titanium dioxide.Transmitance and dispersibility are improved, and more increase the toughness of fiber, and pliability,
Brighten and be further enhanced with delustring.
For achieving the above object, the present invention is employed the following technical solutions：
A kind of spandex fibre titanium dioxide, its raw material include the titanium dioxide and pure water that purity is 98%, the titanium dioxide and pure
The proportioning of water purification is 1:2~1:2.3, in the titanium dioxide, the content of ferrum is not more than 0.01%.
The proportioning of the titanium dioxide and pure water is 1:2.
A kind of preparation method of spandex fibre titanium dioxide, comprises the following steps：
Step 1, for the first time washing：1 part of titanium dioxide and 1 part of pure water are added in agitator, the titanium dioxide is carried out
Wash for the first time, the first time washing speed is 75 turns/min, and first time washing time is not less than 60min, by first time water
Titanium dioxide after washing crosses the filter screen of 80 mesh,
Step 2, sand milling：To be ground in titanium dioxide input sand mill after the filter screen of 80 mesh of mistake in the step 1, it is described to grind
Time consuming is not less than 90min,
Step 3, second washing：Titanium dioxide after the step 2 is ground carries out second washing, by what is obtained in step 2
During titanium dioxide and 1-1.3 parts pure water add agitator, second washing is carried out to titanium dioxide, second washing speed is
75 turns/min, second washing time is not less than 40min,
Step 4, centrifugal classification：Centrifugal classifying will be inserted through the titanium dioxide washed twice, the titanium dioxide is separated into
Fines more than coarse fodder and 2000 mesh below 2000 mesh, the coarse fodder is positioned in coarse fodder bucket,
Step 5, precipitation：Fineves more than 2000 mesh is placed in agitator and is precipitated, when the input quality of raw material titanium dioxide
More than or equal to 100 ton hours, then 500kg ammonium carbonate is added, the sedimentation time is 1h, when the input quality of raw material titanium dioxide is less than
100 ton hours, then Direct precipitation, the sedimentation time is 4h,
Step 6, centrifuge dehydration：Fineves more than 2000 mesh obtained in the step 4 is put into centrifuge carries out centrifuge dehydration, extremely
In fineves more than 2000 mesh, the content of moisture is not more than 38%,
Step 7, drying：Titanium dioxide after step 6 centrifuge dehydration is put in rustless steel drying baker, drying temperature is：
140-145 DEG C, 6h is incubated at 140-145 DEG C, moisture is steamed,
Step 8, crushing：Titanium dioxide after drying in the step 7 is crushed in pulverizer, crushing obtains granularity and is
The spandex fibre titanium dioxide of 0.22-0.28, the resistivity of the titanium dioxide is 8000-10000 Ω/cm.
In the step 2, sand mill is polyurethane membrane pump sand mill.
In the step 4 centrifugal classifying be horizontal spiral discharge sedimentation centrifugal classifying, the centrifugal classifying point
It is 1000 from factor, rotating speed is 2000r/min.
In the step 6, centrifuge is horizontal spiral discharge sedimentation centrifuge, and the separation factor of the centrifuge is 2670,
Rotating speed is 3700r/min.
In the step 7, rustless steel drying baker is heat-circulation oven.
In the step 8, pulverizer is JCW610 hammer mechanical crushers.
Compared with prior art, beneficial effects of the present invention are：1. the horizontal spiral discharge sedimentation centrifugation that the present invention is adopted
Machine, solves the shortcoming that the centrifuge of existing employing occurs：Existing centrifuge is contained within filter bag, needs during product discharging
Filter bag to be peeled off, takes portioned product out of, and the horizontal spiral discharge sedimentation centrifuge that the present invention is adopted discharges in centrifugation, reduces people
Power is consumed, and reduces the loss of product；2. technical solution of the present invention has filled up the blank of domestic spandex fibre titanium dioxide technology,
With good application prospect, production cost is substantially reduced, save foreign exchange；3. present invention process is simple, obtained titanium dioxide electricity
Resistance rate is high, and permeability is more preferable.
Description of the drawings
Fig. 1 is the process chart of the present invention.
Specific embodiment
Concrete technical scheme of the present invention is further described below in conjunction with the drawings and specific embodiments.
Embodiment 1
As shown in figure 1, the present embodiment spandex fibre titanium dioxide, its raw material includes the titanium dioxide and pure water that purity is 98%,
The proportioning of the titanium dioxide and pure water is 1:2, in the titanium dioxide, the content of ferrum is 0.005%.
The preparation method of the present embodiment spandex fibre titanium dioxide, comprises the following steps：
Step 1, for the first time washing：The 1000kg titanium dioxides and 1000kg pure water are added in the agitator of 10m, to institute
Stating titanium dioxide carries out first time washing, and the first time washing speed is 75 turns/min, and first time washing time is 70min, will
Titanium dioxide after washing for the first time crosses the filter screen of 80 mesh,
Step 2, sand milling：By in the step 1 cross 80 mesh filter screen after titanium dioxide input model SK80-2A polyurethane every
It is ground in membrane pump sand mill, the milling time is 90min,
Step 3, second washing：Titanium dioxide after the step 2 is ground carries out second washing, by what is obtained in step 2
During titanium dioxide and 1000kg pure water add agitator, second washing is carried out to titanium dioxide, second washing speed is
75 turns/min, second washing time is 45min,
Step 4, centrifugal classification：Centrifugal classifying will be inserted through the titanium dioxide washed twice, the centrifugal classifying is horizontal spiral shell
Rotation discharging sedimentation centrifugal classifying, the separation factor of the centrifugal classifying is 1000, and rotating speed is 2000r/min, its model：
Fines more than LW450*1940NC, the coarse fodder that the titanium dioxide is separated into below 2000 mesh and 2000 mesh, by the coarse fodder
It is positioned in coarse fodder bucket,
Step 5, precipitation：Fineves more than 2000 mesh is placed in agitator and is precipitated, directly precipitated, the sedimentation time is
4h, when the input quality of raw material titanium dioxide is more than or equal to 100 ton hours, then adds 500kg ammonium carbonate, and the sedimentation time is 1h,
Step 6, centrifuge dehydration：Fineves more than 2000 mesh obtained in the step 4 is put into centrifuge carries out centrifuge dehydration extremely
In fineves more than 2000 mesh the content of moisture be 34%, the centrifuge be horizontal spiral discharge sedimentation centrifuge, the centrifuge
Separation factor be 2670, rotating speed is 3700r/min, its model LW350*1550NO,
Step 7, drying：The stainless steel hot circulation that titanium dioxide after step 6 centrifuge dehydration is put into model ICT-C-2 is dried
In case, drying temperature is 140 DEG C, is incubated 6h, moisture is steamed at 140 DEG C,
Step 8, crushing：Titanium dioxide after drying in the step 7 is crushed in JCW610 hammer mechanical crushers, powder
Broken to obtain the spandex fibre titanium dioxide that granularity is 0.28, the resistivity of the titanium dioxide is 8000 Ω/cm.
Embodiment 2
As shown in figure 1, the present embodiment spandex fibre titanium dioxide, its raw material includes the titanium dioxide and pure water that purity is 98%,
The proportioning of the titanium dioxide and pure water is 1:2.3, in the titanium dioxide, the content of ferrum is 0.004%.
The preparation method of the present embodiment spandex fibre titanium dioxide, comprises the following steps：
Step 1, for the first time washing：The 1000kg titanium dioxides and 1000kg pure water are added in the agitator of 10m, to institute
Stating titanium dioxide carries out first time washing, and the first time washing speed is 75 turns/min, and first time washing time is 65min, will
Titanium dioxide after washing for the first time crosses the filter screen of 80 mesh,
Step 2, sand milling：By in the step 1 cross 80 mesh filter screen after titanium dioxide input model SK80-2A polyurethane every
It is ground in membrane pump sand mill, the milling time is 35min,
Step 3, second washing：Titanium dioxide after the step 2 is ground carries out second washing, by what is obtained in step 2
During titanium dioxide and 1300kg pure water add agitator, second washing is carried out to titanium dioxide, second washing speed is
75 turns/min, second washing time is 50min,
Step 4, centrifugal classification：Centrifugal classifying will be inserted through the titanium dioxide washed twice, the centrifugal classifying is horizontal spiral shell
Rotation discharging sedimentation centrifugal classifying, the separation factor of the centrifugal classifying is 1000, and rotating speed is 2000r/min, its model：
Fines more than LW450*1940NC, the coarse fodder that the titanium dioxide is separated into below 2000 mesh and 2000 mesh, by the coarse fodder
It is positioned in coarse fodder bucket,
Step 5, precipitation：Fineves more than 2000 mesh is placed in agitator and is precipitated, directly precipitated, the sedimentation time is
4h, when the input quality of raw material titanium dioxide is more than or equal to 100 ton hours, then adds 500kg ammonium carbonate, and the sedimentation time is 1h,
Step 6, centrifuge dehydration：The fines of 2000 mesh obtained in the step 4 is put into centrifuge carries out centrifuge dehydration to 2000
In purpose fines, the content of moisture is 35%, and the centrifuge is horizontal spiral discharge sedimentation centrifuge, the separation of the centrifuge because
Number is 2670, and rotating speed is 3700r/min, its model LW350*1550NO,
Step 7, drying：The stainless steel hot circulation that titanium dioxide after step 6 centrifuge dehydration is put into model ICT-C-2 is dried
In case, drying temperature is 145 DEG C, is incubated 6h, moisture is steamed at 145 DEG C,
Step 8, crushing：Titanium dioxide after drying in the step 7 is crushed in JCW610 hammer mechanical crushers, powder
Broken to obtain the spandex fibre titanium dioxide that granularity is 0.22, the resistivity of the titanium dioxide is 10000 Ω/cm.
Although above-described embodiment has made specific descriptions to the present invention, for one of ordinary skill in the art comes
Say, it is understood that can be modified based on present disclosure within the spirit and scope without departing from the present invention
Or improve, these modification and improvement are all within the spirit and scope of the present invention.
Claims (8)
1. a kind of spandex fibre titanium dioxide, it is characterised in that its raw material includes the titanium dioxide and pure water that purity is 98%,
The proportioning of the titanium dioxide and pure water is 1:2~1:2.3, in the titanium dioxide, the content of ferrum is not more than 0.01%.
2. spandex fibre titanium dioxide according to claim 1, it is characterised in that the titanium dioxide and pure water are matched somebody with somebody
Than for 1:2.
3. the preparation method of the spandex fibre titanium dioxide described in a kind of claim 1, it is characterised in that comprise the following steps：
Step 1, for the first time washing：1 part of titanium dioxide and 1 part of pure water are added in agitator, the titanium dioxide is carried out
Wash for the first time, the first time washing speed is 75 turns/min, and first time washing time is not less than 60min, by first time water
Titanium dioxide after washing crosses the filter screen of 80 mesh,
Step 2, sand milling：To be ground in titanium dioxide input sand mill after the filter screen of 80 mesh of mistake in the step 1, it is described to grind
Time consuming is not less than 90min,
Step 3, second washing：Titanium dioxide after the step 2 is ground carries out second washing, by what is obtained in step 2
During titanium dioxide and 1 part of pure water add agitator, second washing is carried out to titanium dioxide, second washing speed is 75
Turn/min, second washing time is not less than 40min,
Step 4, centrifugal classification：Centrifugal classifying will be inserted through the titanium dioxide washed twice, the titanium dioxide is separated into
Fines more than coarse fodder and 2000 mesh below 2000 mesh, the coarse fodder is positioned in coarse fodder bucket,
Step 5, precipitation：Fineves more than 2000 mesh is placed in agitator and is precipitated, when the input quality of raw material titanium dioxide
More than or equal to 100 ton hours, then 500kg ammonium carbonate is added, the sedimentation time is 1h, when the input quality of raw material titanium dioxide is less than
100 ton hours, then Direct precipitation, the sedimentation time is 4h,
Step 6, centrifuge dehydration：Fineves more than 2000 mesh obtained in the step 4 is put into centrifuge carries out centrifuge dehydration, extremely
In fineves more than 2000 mesh, the content of moisture is not more than 38%,
Step 7, drying：Titanium dioxide after step 6 centrifuge dehydration is put in rustless steel drying baker, drying temperature is：
140-145 DEG C, 6h is incubated at 140-145 DEG C, moisture is steamed,
Step 8, crushing：Titanium dioxide after drying in the step 7 is crushed in pulverizer, crushing obtains granularity and is
The spandex fibre titanium dioxide of 0.22-0.28, the resistivity of the titanium dioxide is 8000-10000 Ω/cm.
4. the preparation method of spandex fibre titanium dioxide according to claim 3, it is characterised in that in the step 2
Sand mill is polyurethane membrane pump sand mill.
5. the preparation method of spandex fibre titanium dioxide according to claim 3, it is characterised in that in the step 4
Centrifugal classifying is horizontal spiral discharge sedimentation centrifugal classifying, and the separation factor of the centrifugal classifying is 1000, and rotating speed is
2000r/min。
6. the preparation method of spandex fibre titanium dioxide according to claim 3, it is characterised in that in the step 6
Centrifuge is horizontal spiral discharge sedimentation centrifuge, and the separation factor of the centrifuge is 2670, and rotating speed is 3700r/min.
7. the preparation method of spandex fibre titanium dioxide according to claim 3, it is characterised in that in the step 7
Rustless steel drying baker is heat-circulation oven.
8. the preparation method of spandex fibre titanium dioxide according to claim 3, it is characterised in that in the step 8
Pulverizer is JCW610 hammer mechanical crushers.
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| CN201610914022.8A CN106543775A (en) | 2016-10-20 | 2016-10-20 | A kind of spandex fibre titanium dioxide and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114380327A (en) * | 2020-10-17 | 2022-04-22 | 江苏沪申钛白科技有限公司 | Preparation method of titanium dioxide for polyester fiber |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114380327A (en) * | 2020-10-17 | 2022-04-22 | 江苏沪申钛白科技有限公司 | Preparation method of titanium dioxide for polyester fiber |
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Application publication date: 20170329 |
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| WD01 | Invention patent application deemed withdrawn after publication |