CN107151830A - A kind of preparation method of composite high-molecular fiber for high shading rate screen cloth - Google Patents
A kind of preparation method of composite high-molecular fiber for high shading rate screen cloth Download PDFInfo
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- CN107151830A CN107151830A CN201710356627.4A CN201710356627A CN107151830A CN 107151830 A CN107151830 A CN 107151830A CN 201710356627 A CN201710356627 A CN 201710356627A CN 107151830 A CN107151830 A CN 107151830A
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- preparation
- screen cloth
- molecular fiber
- composite
- shading rate
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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
-
- 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
- D01F1/10—Other agents for modifying properties
- D01F1/106—Radiation shielding agents, e.g. absorbing, reflecting agents
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a kind of preparation method of the composite high-molecular fiber for high shading rate screen cloth, titanium zinc composite nano powder is prepared by raw material of materials such as titanium tetrachloride, zinc oxide, ammoniacal liquor first, nanometer scale hydrophilic UV absorption additive is prepared into benzophenone tetracarboxylic dianhydride, chitosan derivatives again, finally composite high-molecular fiber is prepared into the substance reaction such as polyurethanes, acrylonitrile；In preparation process, strengthen the hydrophilicity of ultraviolet absorber by nano modification, so as to which cospinning preferably is blended with other raw materials in the preparation process of follow-up macromolecular fibre, composite high-molecular fiber prepared by the present invention possesses good anti-ultraviolet property, as shading screen cloth preparing raw material main material when, avoid the addition of other small molecule ultraviolet absorbers, finished chemical performance is stable, and shading rate is high, ultraviolet absorption ability is strong, migration volatilization is not susceptible to, there is strong, ageing-resistant, corrosion-resistant stretching resistance, radiation hardness, light.
Description
Technical field
The present invention relates to polymeric material field, more particularly to a kind of composite high-molecular fiber for high shading rate screen cloth
Preparation method.
Background technology
Sunshade net is also known as shading net, is a kind of state-of-the art agriculture, fishing, animal husbandry, windproof, blinding for promoting over nearly more than 10 year etc.
Special protection covering material.Summer covering after play a part of it is a kind of be in the light, keep off the rain, moisturizing, cooling.After winter-spring season covering also
There is certain thermal insulation wetting effect.It is mainly used in the crops such as vegetables, mushroom, flowers, edible mushroom, nursery stock, medicinal material, ginseng, ganoderma lucidum
Protectiveness cultivation and aquatic products poultry farming etc., have obvious effect to improving yield etc..
Traditional sunshade net is to use polyethylene, and high density polyethylene (HDPE), PE, PB, PVC, reclaimed materials, brand-new material etc. are former material
Material, is prepared from through ultra-violet stabilizer and anti-oxidation processing, with stretching resistance is strong, ageing-resistant, corrosion-resistant, radiation hardness, light
The features such as.Actually traditional sunshade net prepares the ability that main material fiber not has uvioresistant, is by ultraviolet radiation absorption
The effect of shading is can be only achieved in the presence of agent or stabilizer, the way of this simple addition ultra-violet absorber generally has one
The drawbacks of determining, for example, some ultraviolet-resistant absorbents such as benzophenone compound belongs to the organic matter of small molecule, easily occurs
Volatilization and the problem of migrate, and for example the synergy before some ultraviolet-resistant absorbents and other preparing raw materials and it is bad so as to
Reduce other performances of finished product etc..
If can set about being studied on main material fiber from preparing for sunshade net, it is prepared into a kind of inherently with uvioresistant
The composite high-molecular fiber of absorbability to ultraviolet-resistant absorbent in subsequent technique then without too producing dependence.
The content of the invention
Goal of the invention：In order to solve the problems of in the prior art, the present invention proposes a kind of with excellent anti-
Ultraviolet function, the preparation method of the composite high-molecular fiber for high shading rate screen cloth of stable chemical performance.
Technical scheme：To achieve these objectives, the present invention takes following technical scheme：A kind of answering for high shading rate screen cloth
The preparation method of macromolecular fibre is closed, is comprised the following steps：
(1) titanium zinc composite nano powder：The titanium tetrachloride that 0.5mol/L is configured in titanium tetrachloride instillation distilled water is molten
Liquid, adds the Zinc oxide powder of solution quality a quarter, then is passed through titanium tetrachloride solution volume 10%-20% ammoniacal liquor, plus
Heat is placed in 60-70 DEG C of maintenance 20-30min after instilling the mixture solution that strong acid controls pH to be 8, high-speed stirred 20-30min
In low-temperature plasma device, 5-10min is handled under conditions of-10-5 DEG C, slurry is washed with deionized after taking-up, done
It is dry, titanium zinc composite nano powder after 900 DEG C of high-temperature calcinations；
(2) preparation of nanometer scale hydrophilic UV absorption additive：By benzophenone tetracarboxylic dianhydride, chitosan derivatives
With 4:1 mass ratio mixing is inserted in supercritical reaction kettle device, and it is reaction-ure mixture that quality is added after reaction 10-15min
Titanium zinc composite nano powder prepared by 1/2nd the step of (1), is warming up to 800-900 DEG C, continues with 3h, finally obtain and receive
Meter level hydrophily UV absorption additive；
(3) preparation of composite high-molecular fiber：By polyurethanes, acrylonitrile is with 2:1 mass ratio mixing, adds step
Suddenly the nanometer scale hydrophilic UV absorption additive that (1) is prepared from, the 0.3%-0.8% of acrylonitrile quality alchlor,
20-30min is reacted under the solvent chloroform of 2-3 times of reaction-ure mixture, the vacuum state for maintaining 90 DEG C, excessive second is finally poured into
Make Precipitation in alcohol；Filtering, vacuum drying, composite high-molecular fiber is prepared into using wet spinning process.
It is more highly preferred to, the preferred hydrochloric acid of strong acid described in step (1), it is to avoid bring more foreign ions.
It is more highly preferred to, the stir speed (S.S.) of high-speed stirred is not less than 2000r/min described in step (1).
It is more highly preferred to, the mixing time of high-speed stirred described in step (1) is 25min.
It is more highly preferred to, the chitosan derivatives are water-solubility chitosan derivative.
It is more highly preferred to, pressure is set to 8MPa in step (2) the supercritical reaction kettle.
It is more highly preferred to, temperature setting is 50-70 DEG C in step (2) the supercritical reaction kettle.
Beneficial effect：A kind of preparation method for composite high-molecular fiber for high shading rate screen cloth that the present invention is provided,
First by raw material of materials such as titanium tetrachloride, zinc oxide, ammoniacal liquor by high-speed stirred, low-temperature plasma processing, high-temperature calcination etc.
Method prepares titanium zinc composite nano powder, then is prepared into nanoscale parent with benzophenone tetracarboxylic dianhydride, chitosan derivatives
Aqueous UV absorption additive, is finally prepared into composite high-molecular fine jointly with the substance reaction such as polyurethanes, acrylonitrile
Dimension；In preparation process, strengthen the hydrophilicity of ultra-violet absorber by nano modification, so as to preferably follow-up high
Cospinning is blended in the preparation process of molecular fiber with other raw materials, composite high-molecular fiber prepared by the present invention possesses good resist
It is imparted can, as shading screen cloth preparing raw material main material when, it is to avoid other small molecule ultraviolet absorbers add
Plus, finished chemical performance is stable, and shading rate is high, and ultraviolet absorption ability is strong, is not susceptible to migration volatilization, with stretching resistance it is strong,
Ageing-resistant, corrosion-resistant, radiation hardness, it is light the advantages of.
Embodiment
Embodiment 1：
A kind of preparation method of composite high-molecular fiber for high shading rate screen cloth, comprises the following steps：
(1) titanium zinc composite nano powder：The titanium tetrachloride that 0.5mol/L is configured in titanium tetrachloride instillation distilled water is molten
Liquid, adds the Zinc oxide powder of solution quality a quarter, then is passed through the ammoniacal liquor of titanium tetrachloride solution volume 10%, is heated to 60
DEG C maintain 20min, instill hydrochloric acid control pH for 8 mixture solution, it is rearmounted with 2100r/min speed high-speed stirred 20min
In low-temperature plasma device, 5min is handled under conditions of -10 DEG C, slurry is washed with deionized after taking-up, dried,
Titanium zinc composite nano powder after 900 DEG C of high-temperature calcinations；
(2) preparation of nanometer scale hydrophilic UV absorption additive：By benzophenone tetracarboxylic dianhydride, water soluble chitosan
Derivative is with 4:1 mass ratio mixing is inserted in supercritical reaction kettle device, and pressure is set to 8MPa, and temperature is 50 DEG C, reaction
Titanium zinc composite nano powder prepared by the step of addition quality is 1/2nd of reaction-ure mixture after 10min (1), is warming up to
800 DEG C, 3h is continued with, nanometer scale hydrophilic UV absorption additive is finally obtained；
(3) preparation of composite high-molecular fiber：By polyurethanes, acrylonitrile is with 2:1 mass ratio mixing, adds step
Suddenly the nanometer scale hydrophilic UV absorption additive that (1) is prepared from, 0.3% alchlor of acrylonitrile quality, reactant
20min is reacted under the solvent chloroform of 2 times of total amount, the vacuum state for maintaining 90 DEG C, finally pouring into makes precipitation in excess ethyl alcohol
Separate out；Filtering, vacuum drying, composite high-molecular fiber is prepared into using wet spinning process.
Embodiment 2：
A kind of preparation method of composite high-molecular fiber for high shading rate screen cloth, comprises the following steps：
(1) titanium zinc composite nano powder：The titanium tetrachloride that 0.5mol/L is configured in titanium tetrachloride instillation distilled water is molten
Liquid, adds the Zinc oxide powder of solution quality a quarter, then is passed through the ammoniacal liquor of titanium tetrachloride solution volume 20%, is heated to 70
DEG C maintain 30min, instill hydrochloric acid control pH for 8 mixture solution, it is rearmounted with 2100r/min speed high-speed stirred 30min
In low-temperature plasma device, 10min is handled under conditions of -5 DEG C, slurry is washed with deionized after taking-up, dried,
Titanium zinc composite nano powder after 900 DEG C of high-temperature calcinations；
(2) preparation of nanometer scale hydrophilic UV absorption additive：By benzophenone tetracarboxylic dianhydride, water soluble chitosan
Derivative is with 4:1 mass ratio mixing is inserted in supercritical reaction kettle device, and pressure is set to 8MPa, and temperature is 70 DEG C, reaction
Titanium zinc composite nano powder prepared by the step of addition quality is 1/2nd of reaction-ure mixture after 15min (1), is warming up to
900 DEG C, 3h is continued with, nanometer scale hydrophilic UV absorption additive is finally obtained；
(3) preparation of composite high-molecular fiber：By polyurethanes, acrylonitrile is with 2:1 mass ratio mixing, adds step
Suddenly the nanometer scale hydrophilic UV absorption additive that (1) is prepared from, 0.8% alchlor of acrylonitrile quality, reactant
30min is reacted under the solvent chloroform of 3 times of total amount, the vacuum state for maintaining 90 DEG C, finally pouring into makes precipitation in excess ethyl alcohol
Separate out；Filtering, vacuum drying, composite high-molecular fiber is prepared into using wet spinning process.
Embodiment 3：
A kind of preparation method of composite high-molecular fiber for high shading rate screen cloth, comprises the following steps：
(1) titanium zinc composite nano powder：The titanium tetrachloride that 0.5mol/L is configured in titanium tetrachloride instillation distilled water is molten
Liquid, adds the Zinc oxide powder of solution quality a quarter, then is passed through the ammoniacal liquor of titanium tetrachloride solution volume 15%, is heated to 65
DEG C maintain 25min, instill hydrochloric acid control pH for 8 mixture solution, it is rearmounted with 2100r/min speed high-speed stirred 25min
In low-temperature plasma device, 7min is handled under conditions of -8 DEG C, slurry is washed with deionized after taking-up, dried, 900
Titanium zinc composite nano powder after DEG C high-temperature calcination；
(2) preparation of nanometer scale hydrophilic UV absorption additive：By benzophenone tetracarboxylic dianhydride, water soluble chitosan
Derivative is with 4:1 mass ratio mixing is inserted in supercritical reaction kettle device, and pressure is set to 8MPa, and temperature is 50-70 DEG C, instead
The titanium zinc composite nano powder for answering the step of addition quality is 1/2nd of reaction-ure mixture after 13min (1) to prepare, is warming up to
850 DEG C, 3h is continued with, nanometer scale hydrophilic UV absorption additive is finally obtained；
(3) preparation of composite high-molecular fiber：By polyurethanes, acrylonitrile is with 2:1 mass ratio mixing, adds step
Suddenly the nanometer scale hydrophilic UV absorption additive that (1) is prepared from, 0.5% alchlor of acrylonitrile quality, reactant
26min is reacted under the solvent chloroform of 2.5 times of total amount, the vacuum state for maintaining 90 DEG C, finally pouring into excess ethyl alcohol makes to sink
Precipitation goes out；Filtering, vacuum drying, composite high-molecular fiber is prepared into using wet spinning process.
A kind of composite high-molecular fiber prepared by above-described embodiment 3, for the preparation of high shading rate screen cloth, except common system
Outside standby raw material, without the outer addition ultraviolet absorber of addition, the high shading rate screen cloth prepared and commercially available common high shading rate net
Cloth carries out shading rate performance test contrast, as a result as shown in table 1：
The embodiment 4 of table 1 is contrasted with commercially available prod
| Absorption of UV | Shading rate | Comprehensive performance evaluation | |
| Embodiment 4 | 80% | 97% | Preferably |
| Commercially available prod | 70% | 85% | Typically |
The composite high-molecular fiber of the invention prepared, which is can be seen that, from upper table data possesses good anti-ultraviolet property,
Shading rate can also reach requirement, as shading screen cloth preparing raw material main material when, it is to avoid other small molecule uvioresistants inhale
The addition of agent is received, finished chemical performance is stable.
It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention,
Some improvement can also be made, these improvement also should be regarded as protection scope of the present invention.
Claims (7)
1. the preparation method of a kind of composite high-molecular fiber for high shading rate screen cloth, it is characterised in that comprise the following steps：
(1) titanium zinc composite nano powder：Titanium tetrachloride is instilled to the titanium tetrachloride solution that 0.5mol/L is configured in distilled water, plus
Enter the Zinc oxide powder of solution quality a quarter, then be passed through titanium tetrachloride solution volume 10%-20% ammoniacal liquor, be heated to
60-70 DEG C of maintenance 20-30min, low temperature is placed in after instilling the mixture solution that strong acid controls pH to be 8, high-speed stirred 20-30min
In plasma apparatus, 5-10min is handled under conditions of-10-5 DEG C, slurry is washed with deionized after taking-up, dried,
Titanium zinc composite nano powder after 900 DEG C of high-temperature calcinations；
(2) preparation of nanometer scale hydrophilic UV absorption additive：By benzophenone tetracarboxylic dianhydride, chitosan derivatives with 4:
1 mass ratio mixing is inserted in supercritical reaction kettle device, reacts quality is added after 10-15min for reaction-ure mixture two points
One of the step of (1) prepare titanium zinc composite nano powder, be warming up to 800-900 DEG C, continue with 3h, finally obtain nanoscale
Hydrophily UV absorption additive；
(3) preparation of composite high-molecular fiber：By polyurethanes, acrylonitrile is with 2:1 mass ratio mixing, adds step
(1) the nanometer scale hydrophilic UV absorption additive being prepared from, the 0.3%-0.8% of acrylonitrile quality alchlor, instead
The solvent chloroform of 2-3 times of thing total amount is answered, 20-30min is reacted under the vacuum state for maintaining 90 DEG C, finally pours into excess ethyl alcohol
In make Precipitation；Filtering, vacuum drying, composite high-molecular fiber is prepared into using wet spinning process.
2. the preparation method of the composite high-molecular fiber according to claim 1 for high shading rate screen cloth, its feature exists
In：The preferred hydrochloric acid of strong acid described in step (1).
3. the preparation method of the composite high-molecular fiber according to claim 1 for high shading rate screen cloth, its feature exists
In：The stir speed (S.S.) of high-speed stirred is not less than 2000r/min described in step (1).
4. the preparation method of the composite high-molecular fiber according to claim 1 for high shading rate screen cloth, its feature exists
In：The mixing time of high-speed stirred described in step (1) is 25min.
5. the preparation method of the composite high-molecular fiber according to claim 1 for high shading rate screen cloth, its feature exists
In：The chitosan derivatives are water-solubility chitosan derivative.
6. the preparation method of the composite high-molecular fiber according to claim 1 for high shading rate screen cloth, its feature exists
In：Pressure is set to 8MPa in step (2) the supercritical reaction kettle.
7. the preparation method of the composite high-molecular fiber according to claim 1 for high shading rate screen cloth, its feature exists
In：Temperature setting is 50-70 DEG C in step (2) the supercritical reaction kettle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710356627.4A CN107151830B (en) | 2017-05-19 | 2017-05-19 | A kind of preparation method of the composite high-molecular fiber for high shading rate screen cloth |
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| CN201710356627.4A CN107151830B (en) | 2017-05-19 | 2017-05-19 | A kind of preparation method of the composite high-molecular fiber for high shading rate screen cloth |
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| CN107151830A true CN107151830A (en) | 2017-09-12 |
| CN107151830B CN107151830B (en) | 2019-08-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109295769A (en) * | 2018-09-20 | 2019-02-01 | 浙江嘉欣兴昌印染有限公司 | A kind of preparation method of the silk with anti-ultraviolet radiation function |
| CN114427211A (en) * | 2022-04-01 | 2022-05-03 | 无棣永利盐业有限公司 | Slope protection of seawater culture pond and construction method |
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| CN104910514A (en) * | 2015-05-29 | 2015-09-16 | 苏州博利迈新材料科技有限公司 | Fragrant fabric raw material with ultraviolet radiation resistance |
| CN106489937A (en) * | 2016-08-31 | 2017-03-15 | 诸暨市沁悦针织有限公司 | A kind of antibacterial and the fiber processed with the antibacterial |
| CN106567192A (en) * | 2016-10-25 | 2017-04-19 | 嘉善蓝欣涂料有限公司 | Method for preparing multifunctional health-care nanofiber membrane |
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2017
- 2017-05-19 CN CN201710356627.4A patent/CN107151830B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104910514A (en) * | 2015-05-29 | 2015-09-16 | 苏州博利迈新材料科技有限公司 | Fragrant fabric raw material with ultraviolet radiation resistance |
| CN106489937A (en) * | 2016-08-31 | 2017-03-15 | 诸暨市沁悦针织有限公司 | A kind of antibacterial and the fiber processed with the antibacterial |
| CN106567192A (en) * | 2016-10-25 | 2017-04-19 | 嘉善蓝欣涂料有限公司 | Method for preparing multifunctional health-care nanofiber membrane |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109295769A (en) * | 2018-09-20 | 2019-02-01 | 浙江嘉欣兴昌印染有限公司 | A kind of preparation method of the silk with anti-ultraviolet radiation function |
| CN109295769B (en) * | 2018-09-20 | 2021-06-29 | 浙江嘉欣兴昌印染有限公司 | Preparation method of silk with ultraviolet radiation prevention function |
| CN114427211A (en) * | 2022-04-01 | 2022-05-03 | 无棣永利盐业有限公司 | Slope protection of seawater culture pond and construction method |
| CN114427211B (en) * | 2022-04-01 | 2022-07-08 | 无棣永利盐业有限公司 | Slope protection of seawater culture pond and construction method |
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| CN107151830B (en) | 2019-08-13 |
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