CN109750511A - Polythiophene conductive fabric and preparation method for flexible sensor - Google Patents
Polythiophene conductive fabric and preparation method for flexible sensor Download PDFInfo
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Abstract
The present invention relates to conductive fabric technical fields, and a kind of polythiophene conductive fabric for flexible sensor is disclosed, the raw material including following parts by weight proportion: 1-3 parts of latitude jersey fabric, 1.25-1.38 parts of p-methyl benzenesulfonic acid, 1-1.6 parts of camphorsulfonic acid, 8-12 parts of ammonium persulfate, 10 parts of thiophene.The invention also discloses a kind of preparation methods of polythiophene conductive fabric for flexible sensor, the preparation method using latitude jersey fabric and polythiophene as raw material, using p-methyl benzenesulfonic acid and camphorsulfonic acid as dopant, using ammonium persulfate as oxidant, the method being vapor-deposited using polythiophene, under low-temperature vacuum environment, polythiophene conductive fabric is prepared.The present invention solves the poor technical problem of stability existing for the electric conductivity of the conductive fabric for making flexible sensor.
Description
Technical field
The present invention relates to conductive fabric technical field, specially a kind of polythiophene conductive fabric for flexible sensor and
Preparation method.
Background technique
Conductive spinning product has tension sensor, pressure sensor, probe gas and special as sensor material at present
The sensor of substance, they have been achieved with certain effect in intelligent clothing, the application in the fields such as industrial sector.Intelligent type flexible passes
The appearance of sensor not only increases textile so that textile clothing industry is further dissolved into the paces of intelligent information
Added value more makes textile not only be widely used in apparel industry, more common to work as applied to health care and industrial sector
In.
Intelligent type flexible sensing material can sufficiently be combined with clothes, have it is small in size, washable, soft it is not stiff etc. other
The good characteristic that metal sensor does not have, Intelligent type flexible sensor should have high sensitivity, low hysteresis, fast reaction
Ability and biggish working reaction range, but these performances have not yet been reached perfect condition, especially electric conductivity and there is shakiness
Fixed disadvantage.
The present invention provides a kind of polythiophene conductive fabric and preparation method for flexible sensor, it is intended to solve for making
Make the poor technical problem of stability existing for the electric conductivity of the conductive fabric of flexible sensor.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of polythiophene conductive fabrics and system for flexible sensor
Preparation Method solves the poor technology of stability existing for the electric conductivity of the conductive fabric for making flexible sensor and asks
Topic.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme:
For the polythiophene conductive fabric of flexible sensor, the raw material including following parts by weight proportion: latitude jersey fabric
1-3 parts, 1.25-1.38 parts of p-methyl benzenesulfonic acid, 1-1.6 parts of camphorsulfonic acid, 8-12 parts of ammonium persulfate, 10 parts of thiophene.
Preferably, the polythiophene conductive fabric includes the raw material of following parts by weight proportion: 2 parts of latitude jersey fabric, right
1.3 parts of toluenesulfonic acid, 1.2 parts of camphorsulfonic acid, 10 parts of ammonium persulfate, 10 parts of thiophene.
Preferably, the polythiophene conductive fabric includes the raw material of following parts by weight proportion: 2 parts of latitude jersey fabric, right
1.35 parts of toluenesulfonic acid, 1.5 parts of camphorsulfonic acid, 8 parts of ammonium persulfate, 10 parts of thiophene.
Preferably, the polythiophene conductive fabric includes the raw material of following parts by weight proportion: 3 parts of latitude jersey fabric, right
1.3 parts of toluenesulfonic acid, 1.6 parts of camphorsulfonic acid, 12 parts of ammonium persulfate, 10 parts of thiophene.
Preferably, the polythiophene conductive fabric includes the raw material of following parts by weight proportion: 2 parts of latitude jersey fabric, right
1.25 parts of toluenesulfonic acid, 1.6 parts of camphorsulfonic acid, 12 parts of ammonium persulfate, 10 parts of thiophene.
The preparation method of polythiophene conductive fabric for flexible sensor, comprising the following steps:
S1., the acetone of the sodium hydroxide of 5-8 mass parts and 1-3 mass parts is added to the deionized water of 24-30 mass parts
In, it stirs and evenly mixs, preparation obtains pretreatment fluid；
S2. the latitude jersey fabric of 1-3 mass parts is added to the pretreatment fluid in step S1, constant temperature soaks at 40-60 DEG C
1-2h is boiled, takes out fabric later, is washed repeatedly using deionized water, until pH value is in neutrality, naturally dry, is prepared at room temperature
Obtain pretreating fabrics；
S3. the camphorsulfonic acid of the p-methyl benzenesulfonic acid of 1.25-1.38 mass parts and 1-1.6 mass parts is added to 5-10 mass
In the deionized water of part, after ultrasonic disperse is uniform, preparation obtains immersion fluid A；
S4. the pretreating fabrics in step S2 are immersed in the immersion fluid A in step S3, at 35-40 DEG C, constant temperature leaching
Stain 1.5-2h takes out fabric, and naturally dry, is prepared fabric A at room temperature；
S5. it takes the ammonium persulfate of 8-12 mass parts to be added to the isopropanol of 8-15 mass parts, after being uniformly mixed, prepares
Obtain immersion fluid B；
S6. the fabric A in step S4 is immersed in the immersion fluid B in step S5, constant temperature impregnates 1.5- at 35-40 DEG C
2h takes out fabric and is placed in vacuum oven, and dry 2-4h, is prepared fabric B at 45-65 DEG C；
S7. the fabric B in step S6 is suspended in closed container, the thiophene of 10 mass parts is placed in closed container
The underface of fabric B, under 25-40 DEG C of vacuum condition, polymerization reaction 3-6h takes out fabric, cleans 3-5 using deionized water
It is secondary, it is placed in vacuum oven, dry 1-2h, takes out at 45-65 DEG C, and cooled to room temperature is prepared polythiophene and leads
Electric fabric.
(3) beneficial technical effect
Compared with prior art, the present invention has following beneficial technical effect:
1, the average rate of change of the polythiophene conductive fabric daily static surface specific resistance in 1-60 days is 7.21-
Polythiophene conductive fabric in 7.62%, with the comparative example average rate of change of daily static surface specific resistance in 1-60 days is
10.35-11.23% is compared, and achieving significantly reduces the daily static surface specific resistance average rate of change of polythiophene conductive fabric
Technical effect；
Polythiophene conductive fabric static surface specific resistance when temperature is 20-60 DEG C is 628-759 Ω, in comparative example
Polythiophene conductive fabric when temperature is 20-60 DEG C static surface specific resistance be that 806-1255 Ω is compared, not only achieve aobvious
The technical effect for reducing polythiophene conductive fabric static surface specific resistance value is write, and achieves significant decrease polythiophene conductive and knits
Object static surface specific resistance varies with temperature the technical effect of amplitude；
Polythiophene conductive fabric static surface specific resistance when relative humidity is 40-80% is 542-589 Ω, with comparison
Example in polythiophene conductive fabric when relative humidity is 40-80% static surface specific resistance be that 852-978 Ω is compared, not only take
The technical effect for significantly reducing polythiophene conductive fabric static surface specific resistance value was obtained, and achieves significant decrease polythiophene
Conductive fabric static surface specific resistance with relative humidity variations amplitude technical effect；
To which this technical solution achieves the technology effect for the stability for significantly improving polythiophene conductive fabric electric conductivity
Fruit.
2, preparation method, using latitude jersey fabric and polythiophene as raw material, using p-methyl benzenesulfonic acid and camphorsulfonic acid as doping
Agent, using ammonium persulfate as oxidant, using polythiophene be vapor-deposited method prepare polythiophene under low-temperature vacuum environment
Conductive fabric, then flexible sensor is prepared using the polythiophene conductive fabric, compared with traditional preparation methods, it is poly- to achieve shortening
The technical effect of time is closed, and the polythiophene conductive fabric prepared has excellent conductive stability.
Specific embodiment
Embodiment one:
Polythiophene conductive fabric includes the raw material of following parts by weight proportion: 1 part of latitude jersey fabric, p-methyl benzenesulfonic acid 1.25
Part, 1 part of camphorsulfonic acid, 8 parts of ammonium persulfate, 10 parts of thiophene；
The preparation method of above-mentioned polythiophene conductive fabric the following steps are included:
S1. the acetone of the sodium hydroxide of 5 mass parts and 1 mass parts is added in the deionized water of 24 mass parts, is stirred
It mixes, preparation obtains pretreatment fluid；
S2. the latitude jersey fabric of 1 mass parts is added to the pretreatment fluid in step S1, the constant temperature digestion 1h at 40 DEG C,
Fabric is taken out later, is washed repeatedly using deionized water, until pH value is in neutrality, naturally dry, is prepared pre- at room temperature
Handle fabric；
S3., the camphorsulfonic acid of the p-methyl benzenesulfonic acid of 1.25 mass parts and 1 mass parts is added to the deionized water of 5 mass parts
In, after ultrasonic disperse is uniform, preparation obtains immersion fluid A；
S4. the pretreating fabrics in step S2 are immersed in the immersion fluid A in step S3, at 35 DEG C, constant temperature dipping
1.5h takes out fabric, and naturally dry, is prepared fabric A at room temperature；
S5. the ammonium persulfate of 8 mass parts is taken to be added to the isopropanol of 8 mass parts, after being uniformly mixed, preparation is soaked
Moisten liquid B；
S6. the fabric A in step S4 is immersed in the immersion fluid B in step S5, constant temperature impregnates 1.5h at 35 DEG C, takes
Fabric is placed in vacuum oven out, and dry 2h, is prepared fabric B at 45 DEG C；
S7. the fabric B in step S6 is suspended in closed container, the thiophene of 10 mass parts is placed in closed container
The underface of fabric B, under 25 DEG C of vacuum condition, polymerization reaction 3h takes out fabric, is cleaned 3 times, is placed in using deionized water
In vacuum oven, dry 1h, is taken out at 45 DEG C, and polythiophene conductive fabric is prepared in cooled to room temperature.
Embodiment two:
Polythiophene conductive fabric includes the raw material of following parts by weight proportion: 3 parts of latitude jersey fabric, p-methyl benzenesulfonic acid 1.38
Part, 1.6 parts of camphorsulfonic acid, 12 parts of ammonium persulfate, 10 parts of thiophene；
The preparation method of above-mentioned polythiophene conductive fabric the following steps are included:
S1. the acetone of the sodium hydroxide of 8 mass parts and 3 mass parts is added in the deionized water of 30 mass parts, is stirred
It mixes, preparation obtains pretreatment fluid；
S2. the latitude jersey fabric of 3 mass parts is added to the pretreatment fluid in step S1, the constant temperature digestion 2h at 60 DEG C,
Fabric is taken out later, is washed repeatedly using deionized water, until pH value is in neutrality, naturally dry, is prepared pre- at room temperature
Handle fabric；
S3. by the camphorsulfonic acid of the p-methyl benzenesulfonic acid of 1.38 mass parts and 1.6 mass parts be added to 10 mass parts go from
In sub- water, after ultrasonic disperse is uniform, preparation obtains immersion fluid A；
S4. the pretreating fabrics in step S2 are immersed in the immersion fluid A in step S3, at 40 DEG C, constant temperature dipping
2h takes out fabric, and naturally dry, is prepared fabric A at room temperature；
S5. the ammonium persulfate of 12 mass parts is taken to be added to the isopropanol of 15 mass parts, after being uniformly mixed, preparation is obtained
Immersion fluid B；
S6. the fabric A in step S4 is immersed in the immersion fluid B in step S5, constant temperature impregnates 2h at 40 DEG C, takes out
Fabric is placed in vacuum oven, and dry 4h, is prepared fabric B at 65 DEG C；
S7. the fabric B in step S6 is suspended in closed container, the thiophene of 10 mass parts is placed in closed container
The underface of fabric B, under 40 DEG C of vacuum condition, polymerization reaction 6h takes out fabric, is cleaned 5 times, is placed in using deionized water
In vacuum oven, dry 2h, is taken out at 65 DEG C, and polythiophene conductive fabric is prepared in cooled to room temperature.
Embodiment three:
Polythiophene conductive fabric includes the raw material of following parts by weight proportion: 2 parts of latitude jersey fabric, p-methyl benzenesulfonic acid 1.3
Part, 1.2 parts of camphorsulfonic acid, 10 parts of ammonium persulfate, 10 parts of thiophene；
The preparation method of above-mentioned polythiophene conductive fabric the following steps are included:
S1. the acetone of the sodium hydroxide of 6 mass parts and 2 mass parts is added in the deionized water of 25 mass parts, is stirred
It mixes, preparation obtains pretreatment fluid；
S2. the latitude jersey fabric of 2 mass parts is added to the pretreatment fluid in step S1, the constant temperature digestion at 50 DEG C
1.5h takes out fabric later, is washed repeatedly using deionized water, until pH value is in neutrality, naturally dry, is prepared at room temperature
To pretreating fabrics；
S3., the camphorsulfonic acid of the p-methyl benzenesulfonic acid of 1.3 mass parts and 1.2 mass parts is added to the deionization of 8 mass parts
In water, after ultrasonic disperse is uniform, preparation obtains immersion fluid A；
S4. the pretreating fabrics in step S2 are immersed in the immersion fluid A in step S3, at 38 DEG C, constant temperature dipping
1.8h takes out fabric, and naturally dry, is prepared fabric A at room temperature；
S5. the ammonium persulfate of 10 mass parts is taken to be added to the isopropanol of 10 mass parts, after being uniformly mixed, preparation is obtained
Immersion fluid B；
S6. the fabric A in step S4 is immersed in the immersion fluid B in step S5, constant temperature impregnates 2h at 38 DEG C, takes out
Fabric is placed in vacuum oven, and dry 3h, is prepared fabric B at 50 DEG C；
S7. the fabric B in step S6 is suspended in closed container, the thiophene of 10 mass parts is placed in closed container
The underface of fabric B, under 30 DEG C of vacuum condition, polymerization reaction 4h takes out fabric, is cleaned 5 times, is placed in using deionized water
In vacuum oven, dry 2h, is taken out at 55 DEG C, and polythiophene conductive fabric is prepared in cooled to room temperature.
Example IV:
Polythiophene conductive fabric includes the raw material of following parts by weight proportion: 2 parts of latitude jersey fabric, p-methyl benzenesulfonic acid 1.35
Part, 1.5 parts of camphorsulfonic acid, 8 parts of ammonium persulfate, 10 parts of thiophene；
The preparation method of above-mentioned polythiophene conductive fabric the following steps are included:
S1. the acetone of the sodium hydroxide of 7 mass parts and 3 mass parts is added in the deionized water of 30 mass parts, is stirred
It mixes, preparation obtains pretreatment fluid；
S2. the latitude jersey fabric of 2 mass parts is added to the pretreatment fluid in step S1, the constant temperature digestion 1h at 60 DEG C,
Fabric is taken out later, is washed repeatedly using deionized water, until pH value is in neutrality, naturally dry, is prepared pre- at room temperature
Handle fabric；
S3., the camphorsulfonic acid of the p-methyl benzenesulfonic acid of 1.35 mass parts and 1.5 mass parts is added to the deionization of 8 mass parts
In water, after ultrasonic disperse is uniform, preparation obtains immersion fluid A；
S4. the pretreating fabrics in step S2 are immersed in the immersion fluid A in step S3, at 40 DEG C, constant temperature dipping
1.5h takes out fabric, and naturally dry, is prepared fabric A at room temperature；
S5. the ammonium persulfate of 8 mass parts is taken to be added to the isopropanol of 10 mass parts, after being uniformly mixed, preparation is obtained
Immersion fluid B；
S6. the fabric A in step S4 is immersed in the immersion fluid B in step S5, constant temperature impregnates 1.5h at 40 DEG C, takes
Fabric is placed in vacuum oven out, and dry 2-4h, is prepared fabric B at 50 DEG C；
S7. the fabric B in step S6 is suspended in closed container, the thiophene of 10 mass parts is placed in closed container
The underface of fabric B, under 30 DEG C of vacuum condition, polymerization reaction 5h takes out fabric, is cleaned 4 times, is placed in using deionized water
In vacuum oven, dry 2h, is taken out at 55 DEG C, and polythiophene conductive fabric is prepared in cooled to room temperature.
Embodiment five:
Polythiophene conductive fabric includes the raw material of following parts by weight proportion: 3 parts of latitude jersey fabric, p-methyl benzenesulfonic acid 1.3
Part, 1.6 parts of camphorsulfonic acid, 12 parts of ammonium persulfate, 10 parts of thiophene；
The preparation method of above-mentioned polythiophene conductive fabric the following steps are included:
S1. the acetone of the sodium hydroxide of 6 mass parts and 3 mass parts is added in the deionized water of 25 mass parts, is stirred
It mixes, preparation obtains pretreatment fluid；
S2. the latitude jersey fabric of 3 mass parts is added to the pretreatment fluid in step S1, the constant temperature digestion 2h at 40 DEG C,
Fabric is taken out later, is washed repeatedly using deionized water, until pH value is in neutrality, naturally dry, is prepared pre- at room temperature
Handle fabric；
S3., the camphorsulfonic acid of the p-methyl benzenesulfonic acid of 1.3 mass parts and 1.6 mass parts is added to the deionization of 10 mass parts
In water, after ultrasonic disperse is uniform, preparation obtains immersion fluid A；
S4. the pretreating fabrics in step S2 are immersed in the immersion fluid A in step S3, at 35 DEG C, constant temperature dipping
1.5h takes out fabric, and naturally dry, is prepared fabric A at room temperature；
S5. the ammonium persulfate of 12 mass parts is taken to be added to the isopropanol of 10 mass parts, after being uniformly mixed, preparation is obtained
Immersion fluid B；
S6. the fabric A in step S4 is immersed in the immersion fluid B in step S5, constant temperature impregnates 2h at 40 DEG C, takes out
Fabric is placed in vacuum oven, and dry 3h, is prepared fabric B at 60 DEG C；
S7. the fabric B in step S6 is suspended in closed container, the thiophene of 10 mass parts is placed in closed container
The underface of fabric B, under 40 DEG C of vacuum condition, polymerization reaction 4h takes out fabric, is cleaned 5 times, is placed in using deionized water
In vacuum oven, dry 2h, is taken out at 55 DEG C, and polythiophene conductive fabric is prepared in cooled to room temperature.
Embodiment six:
Polythiophene conductive fabric includes the raw material of following parts by weight proportion: 2 parts of latitude jersey fabric, p-methyl benzenesulfonic acid 1.25
Part, 1.6 parts of camphorsulfonic acid, 12 parts of ammonium persulfate, 10 parts of thiophene；
The preparation method of above-mentioned polythiophene conductive fabric the following steps are included:
S1. the acetone of the sodium hydroxide of 8 mass parts and 3 mass parts is added in the deionized water of 30 mass parts, is stirred
It mixes, preparation obtains pretreatment fluid；
S2. the latitude jersey fabric of 2 mass parts is added to the pretreatment fluid in step S1, the constant temperature digestion at 40 DEG C
1.5h takes out fabric later, is washed repeatedly using deionized water, until pH value is in neutrality, naturally dry, is prepared at room temperature
To pretreating fabrics；
S3., the camphorsulfonic acid of the p-methyl benzenesulfonic acid of 1.25 mass parts and 1.6 mass parts is added to the deionization of 8 mass parts
In water, after ultrasonic disperse is uniform, preparation obtains immersion fluid A；
S4. the pretreating fabrics in step S2 are immersed in the immersion fluid A in step S3, at 40 DEG C, constant temperature dipping
1.8h takes out fabric, and naturally dry, is prepared fabric A at room temperature；
S5. the ammonium persulfate of 12 mass parts is taken to be added to the isopropanol of 8 mass parts, after being uniformly mixed, preparation is obtained
Immersion fluid B；
S6. the fabric A in step S4 is immersed in the immersion fluid B in step S5, constant temperature impregnates 2h at 38 DEG C, takes out
Fabric is placed in vacuum oven, and dry 3h, is prepared fabric B at 60 DEG C；
S7. the fabric B in step S6 is suspended in closed container, the thiophene of 10 mass parts is placed in closed container
The underface of fabric B, under 40 DEG C of vacuum condition, polymerization reaction 4h takes out fabric, is cleaned 5 times, is placed in using deionized water
In vacuum oven, dry 2h, is taken out at 60 DEG C, and polythiophene conductive fabric is prepared in cooled to room temperature.
Comparative example one:
Polythiophene conductive fabric includes the raw material of following parts by weight proportion: 2 parts of latitude jersey fabric, p-methyl benzenesulfonic acid 1.3
Part, 10 parts of ammonium persulfate, 10 parts of thiophene；
The preparation method of above-mentioned polythiophene conductive fabric the following steps are included:
S1. the acetone of the sodium hydroxide of 6 mass parts and 2 mass parts is added in the deionized water of 25 mass parts, is stirred
It mixes, preparation obtains pretreatment fluid；
S2. the latitude jersey fabric of 2 mass parts is added to the pretreatment fluid in step S1, the constant temperature digestion at 50 DEG C
1.5h takes out fabric later, is washed repeatedly using deionized water, until pH value is in neutrality, naturally dry, is prepared at room temperature
To pretreating fabrics；
S3. the p-methyl benzenesulfonic acid of 1.3 mass parts is added in the deionized water of 8 mass parts, after ultrasonic disperse is uniform, is matched
Immersion fluid A is made；
S4. the pretreating fabrics in step S2 are immersed in the immersion fluid A in step S3, at 38 DEG C, constant temperature dipping
1.8h takes out fabric, and naturally dry, is prepared fabric A at room temperature；
S5. the ammonium persulfate of 10 mass parts is taken to be added to the isopropanol of 10 mass parts, after being uniformly mixed, preparation is obtained
Immersion fluid B；
S6. the fabric A in step S4 is immersed in the immersion fluid B in step S5, constant temperature impregnates 2h at 38 DEG C, takes out
Fabric is placed in vacuum oven, and dry 3h, is prepared fabric B at 50 DEG C；
S7. the fabric B in step S6 is suspended in closed container, the thiophene of 10 mass parts is placed in closed container
The underface of fabric B, under 30 DEG C of vacuum condition, polymerization reaction 4h takes out fabric, is cleaned 5 times, is placed in using deionized water
In vacuum oven, dry 2h, is taken out at 55 DEG C, and polythiophene conductive fabric is prepared in cooled to room temperature.
Comparative example two:
Polythiophene conductive fabric includes the raw material of following parts by weight proportion: 2 parts of latitude jersey fabric, 1.5 parts of camphorsulfonic acid,
8 parts of ammonium persulfate, 10 parts of thiophene；
The preparation method of above-mentioned polythiophene conductive fabric the following steps are included:
S1. the acetone of the sodium hydroxide of 7 mass parts and 3 mass parts is added in the deionized water of 30 mass parts, is stirred
It mixes, preparation obtains pretreatment fluid；
S2. the latitude jersey fabric of 2 mass parts is added to the pretreatment fluid in step S1, the constant temperature digestion 1h at 60 DEG C,
Fabric is taken out later, is washed repeatedly using deionized water, until pH value is in neutrality, naturally dry, is prepared pre- at room temperature
Handle fabric；
S3. the camphorsulfonic acid of 1.5 mass parts is added in the deionized water of 8 mass parts, after ultrasonic disperse is uniform, is prepared
Obtain immersion fluid A；
S4. the pretreating fabrics in step S2 are immersed in the immersion fluid A in step S3, at 40 DEG C, constant temperature dipping
1.5h takes out fabric, and naturally dry, is prepared fabric A at room temperature；
S5. the ammonium persulfate of 8 mass parts is taken to be added to the isopropanol of 10 mass parts, after being uniformly mixed, preparation is obtained
Immersion fluid B；
S6. the fabric A in step S4 is immersed in the immersion fluid B in step S5, constant temperature impregnates 1.5h at 40 DEG C, takes
Fabric is placed in vacuum oven out, and dry 2-4h, is prepared fabric B at 50 DEG C；
S7. the fabric B in step S6 is suspended in closed container, the thiophene of 10 mass parts is placed in closed container
The underface of fabric B, under 30 DEG C of vacuum condition, polymerization reaction 5h takes out fabric, is cleaned 4 times, is placed in using deionized water
In vacuum oven, dry 2h, is taken out at 55 DEG C, and polythiophene conductive fabric is prepared in cooled to room temperature.
Performance test:
Test the electric conductivity of the polythiophene conductive fabric in above-described embodiment and comparative example, i.e. its static surface specific resistance
Change with time situation, the situation of change with air themperature and the situation of change with air humidity, and test result is successively shown in Table
1, table 2, table 3.
Table 1
Table 2
Table 3
| Sample | Static surface specific resistance range (Ω) when relative humidity is 40-80% |
| Embodiment one | 553-582 |
| Embodiment two | 561-576 |
| Embodiment three | 546-589 |
| Example IV | 562-578 |
| Embodiment five | 550-567 |
| Embodiment six | 542-569 |
| Comparative example one | 879-969 |
| Comparative example two | 852-978 |
The beneficial effects of the present invention are: the daily static surface in 1-60 days of the polythiophene conductive fabric in above-described embodiment
The average rate of change of specific resistance is 7.21-7.62%；
The average rate of change of daily static surface specific resistance is in 1-60 days with the polythiophene conductive fabric in comparative example
10.35-11.23% is compared, and achieving significantly reduces the daily static surface specific resistance average rate of change of polythiophene conductive fabric
Technical effect；
Polythiophene conductive fabric in above-described embodiment static surface specific resistance when temperature is 20-60 DEG C is 628-759
Ω, compared with the polythiophene conductive fabric in comparative example, when temperature is 20-60 DEG C, static surface specific resistance is 806-1255 Ω,
The technical effect for significantly reducing polythiophene conductive fabric static surface specific resistance value is not only achieved, but also achieves significant decrease
Polythiophene conductive fabric static surface specific resistance varies with temperature the technical effect of amplitude；
Polythiophene conductive fabric in above-described embodiment static surface specific resistance when relative humidity is 40-80% is 542-
589 Ω, when relative humidity is 40-80%, static surface specific resistance is 852-978 with the polythiophene conductive fabric in comparative example
Ω is compared, and not only achieves the technical effect for significantly reducing polythiophene conductive fabric static surface specific resistance value, but also achieve
Polythiophene conductive fabric static surface specific resistance is significantly reduced with the technical effect of relative humidity variations amplitude.
Claims (6)
1. being used for the polythiophene conductive fabric of flexible sensor, which is characterized in that the raw material including following parts by weight proportion: latitude
1-3 parts of jersey fabric, 1.25-1.38 parts of p-methyl benzenesulfonic acid, 1-1.6 parts of camphorsulfonic acid, 8-12 parts of ammonium persulfate, 10 parts of thiophene.
2. polythiophene conductive fabric according to claim 1, which is characterized in that the polythiophene conductive fabric includes following
Parts by weight proportion raw material: 2 parts of latitude jersey fabric, 1.3 parts of p-methyl benzenesulfonic acid, 1.2 parts of camphorsulfonic acid, 10 parts of ammonium persulfate,
10 parts of thiophene.
3. polythiophene conductive fabric according to claim 1, which is characterized in that the polythiophene conductive fabric includes following
Parts by weight proportion raw material: 2 parts of latitude jersey fabric, 1.35 parts of p-methyl benzenesulfonic acid, 1.5 parts of camphorsulfonic acid, 8 parts of ammonium persulfate,
10 parts of thiophene.
4. polythiophene conductive fabric according to claim 1, which is characterized in that the polythiophene conductive fabric includes following
Parts by weight proportion raw material: 3 parts of latitude jersey fabric, 1.3 parts of p-methyl benzenesulfonic acid, 1.6 parts of camphorsulfonic acid, 12 parts of ammonium persulfate,
10 parts of thiophene.
5. polythiophene conductive fabric according to claim 1, which is characterized in that the polythiophene conductive fabric includes following
Parts by weight proportion raw material: 2 parts of latitude jersey fabric, 1.25 parts of p-methyl benzenesulfonic acid, 1.6 parts of camphorsulfonic acid, 12 parts of ammonium persulfate,
10 parts of thiophene.
6. the preparation method of the polythiophene conductive fabric for flexible sensor, which comprises the following steps:
S1. the acetone of the sodium hydroxide of 5-8 mass parts and 1-3 mass parts is added in the deionized water of 24-30 mass parts, is stirred
Mixing is mixed, preparation obtains pretreatment fluid；
S2. the latitude jersey fabric of 1-3 mass parts is added to the pretreatment fluid in step S1, the constant temperature digestion 1- at 40-60 DEG C
2h takes out fabric later, is washed repeatedly using deionized water, until pH value is in neutrality, naturally dry, is prepared at room temperature
Pretreating fabrics；
S3. the camphorsulfonic acid of the p-methyl benzenesulfonic acid of 1.25-1.38 mass parts and 1-1.6 mass parts is added to 5-10 mass parts
In deionized water, after ultrasonic disperse is uniform, preparation obtains immersion fluid A；
S4. the pretreating fabrics in step S2 are immersed in the immersion fluid A in step S3, at 35-40 DEG C, constant temperature dipping
1.5-2h takes out fabric, and naturally dry, is prepared fabric A at room temperature；
S5. the ammonium persulfate of 8-12 mass parts is taken to be added to the isopropanol of 8-15 mass parts, after being uniformly mixed, preparation is obtained
Immersion fluid B；
S6. the fabric A in step S4 being immersed in the immersion fluid B in step S5, constant temperature impregnates 1.5-2h at 35-40 DEG C,
It takes out fabric to be placed in vacuum oven, dry 2-4h, is prepared fabric B at 45-65 DEG C；
S7. the fabric B in step S6 is suspended in closed container, the fabric thiophene of 10 mass parts being placed in closed container
The underface of B, under 25-40 DEG C of vacuum condition, polymerization reaction 3-6h takes out fabric, is cleaned 3-5 times using deionized water,
It is placed in vacuum oven, dry 1-2h, takes out at 45-65 DEG C, and cooled to room temperature is prepared polythiophene conductive and knits
Object.
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| CN110130096A (en) * | 2019-05-30 | 2019-08-16 | 上海应用技术大学 | A kind of preparation method of flexible fiber fabric composite thermoelectric material |
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