CN111703099B - Preparation method of protective clothing for spraying pesticide - Google Patents
Preparation method of protective clothing for spraying pesticide Download PDFInfo
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- CN111703099B CN111703099B CN202010595468.5A CN202010595468A CN111703099B CN 111703099 B CN111703099 B CN 111703099B CN 202010595468 A CN202010595468 A CN 202010595468A CN 111703099 B CN111703099 B CN 111703099B
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- graphene oxide
- protective clothing
- pesticide
- spraying
- walled carbon
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- 239000000575 pesticide Substances 0.000 title claims abstract description 39
- 230000001681 protective effect Effects 0.000 title claims abstract description 35
- 238000005507 spraying Methods 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 30
- 239000002048 multi walled nanotube Substances 0.000 claims abstract description 29
- 150000001875 compounds Chemical class 0.000 claims abstract description 18
- 239000004743 Polypropylene Substances 0.000 claims abstract description 14
- 238000007731 hot pressing Methods 0.000 claims abstract description 14
- 229920001155 polypropylene Polymers 0.000 claims abstract description 14
- 239000004744 fabric Substances 0.000 claims abstract description 13
- 230000004888 barrier function Effects 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 238000007664 blowing Methods 0.000 claims abstract description 8
- 238000010096 film blowing Methods 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 8
- -1 polypropylene Polymers 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 229920005989 resin Polymers 0.000 claims abstract description 7
- 239000011347 resin Substances 0.000 claims abstract description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000004831 Hot glue Substances 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 6
- 239000003063 flame retardant Substances 0.000 claims abstract description 6
- 238000004806 packaging method and process Methods 0.000 claims abstract description 6
- 229920006026 co-polymeric resin Polymers 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 238000009841 combustion method Methods 0.000 claims description 2
- 230000035699 permeability Effects 0.000 abstract description 15
- 239000003513 alkali Substances 0.000 abstract description 6
- 239000002253 acid Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 229920001577 copolymer Polymers 0.000 abstract 1
- 229920001519 homopolymer Polymers 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 description 4
- 239000003905 agrochemical Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0064—Producing wearing apparel
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/14—Copolymers of propene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/041—Carbon nanotubes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/042—Graphene or derivatives, e.g. graphene oxides
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a preparation method of protective clothing for spraying pesticide, which comprises the following steps: uniformly mixing graphene oxide and multi-walled carbon nanotubes to form a graphene oxide-multi-walled carbon nanotube composite; drying the compound, and reducing to form a compound of reduced graphene oxide and multi-walled carbon nanotubes; forming a mixture of a polypropylene (PP) homopolymeric resin and a copolymeric resin; adding the reduced graphene oxide-multiwalled carbon nanotube compound and the flame retardant into the mixture, uniformly mixing, and blowing out and forming by using a film blowing machine to form a barrier film; and (3) carrying out hot pressing on the forming layer, the barrier film and the framework layer in a hot melt adhesive film mode by a high-pressure pyrograph machine to obtain a fabric, processing the fabric into a raincoat, and packaging to obtain the protective clothing for spraying the pesticide. The protective clothing for spraying the pesticide prepared by the process has good performance, and has good moisture permeability, air permeability, acid resistance, alkali resistance and pesticide permeability resistance.
Description
Technical Field
The invention belongs to the technical field of protective clothing preparation, and particularly relates to a preparation method of protective clothing for spraying pesticide.
Background
China is a big agricultural country, pesticides and chemical fertilizers can be used in the management process of crops, and if certain safety protection is not provided during pesticide spraying, the pesticides can easily drip on the skin, so that pesticide liquid is directly contacted with or polluted by the skin of a human body, and the health of farmers is influenced. To prevent the occurrence of the process, namely, to have the characteristic of pesticide repellency, which is the basic functional requirement of the protective clothing for pesticide operation, as the pesticide liquid may be in a water-soluble form or an oil-soluble form and has certain acidity and alkalinity, the protective fabric is required to be resistant to oil and water and resistant to acidity and alkalinity. As protective clothing, besides the function of corrosion prevention, the protective clothing is more comfortable. Therefore, it is urgent to prepare a protective clothing for spraying pesticide, which integrates the functions of moisture permeability, air permeability, acid resistance, alkali resistance and pesticide permeability resistance.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the preparation method of the protective clothing for spraying the pesticide, which has good moisture permeability, air permeability, acid resistance, alkali resistance and pesticide penetration resistance by taking the reduced graphene/carbon nanotube composite as a main raw material additive.
A preparation method of protective clothing for spraying pesticides comprises the following steps: the method mainly comprises the following steps:
(1) mixing graphene oxide with the concentration of 3-12 mg/mL and a multi-walled carbon nanotube according to the mass ratio of 5: 1-20: 1 to form a graphene oxide-multi-walled carbon nanotube composite, and placing the graphene oxide-multi-walled carbon nanotube composite in a freeze dryer with the temperature set to-20 to-40 ℃ for drying for 8-12 hours;
(2) reducing the dried compound by a self-propagating combustion method to form a compound of reduced graphene oxide and multi-walled carbon nanotubes;
(3) mixing polypropylene (PP) homopolymerized resin and copolymer resin according to the mass ratio of 3:7-1:9 to form a white mixture;
(4) adding the reduced graphene oxide-multiwalled carbon nanotube compound and a flame retardant into the mixture, and blowing out and molding the mixture by a film blowing machine to form a barrier film;
(5) and (3) carrying out hot pressing on the forming layer, the barrier film and the framework layer by a high-pressure pyrograph machine in a hot melt adhesive film mode to obtain a fabric, processing the fabric into a raincoat, and packaging to obtain the protective clothing for spraying the pesticide.
The preparation method of the protective clothing for spraying the pesticide is characterized by comprising the following steps: in the step (4), the blowing environment of the film blowing machine is as follows: extruding at 175-195 ℃ and at a speed of 5-8 m/min to prepare a polypropylene film with the thickness of 50-90 mu m; the extrusion temperature is preferably 180-185 ℃, the vehicle speed is 5-6 m/min, and the thickness is 60-80 μm.
The preparation method of the protective clothing for spraying the pesticide is characterized by comprising the following steps: the hot-pressing environment in the step (5) is as follows: the hot pressing temperature is 115-145 ℃, and the time is 5-15 s; the hot pressing temperature is preferably 125-135 ℃, and the time is preferably 5-8 s.
The invention provides a preparation method of protective clothing for spraying pesticide, which has good moisture permeability, air permeability, acid resistance, alkali resistance and pesticide permeability resistance, and has wide market application prospect.
Drawings
FIG. 1 is a comparison graph of moisture permeability of protective clothing for spraying pesticide prepared in examples 1, 2 and 3;
FIG. 2 is a comparison of air permeability of the protective clothing for spraying pesticide prepared in examples 1, 2 and 3;
FIG. 3 is a comparative graph showing the acid resistance of the protective clothing for spraying agricultural chemicals prepared in examples 1, 2 and 3;
FIG. 4 is a graph showing the comparison of alkali resistance of the protective clothes for spraying agricultural chemicals prepared in examples 1, 2 and 3;
FIG. 5 is a graph showing the comparison of the penetration resistance of the protective clothing for spraying agricultural chemicals obtained in examples 1, 2 and 3.
Detailed Description
The method of the present invention will be described in detail with reference to specific examples, which are carried out on the premise of the technical solution of the present invention, but the scope of the present invention is not limited to the following examples.
Example 1
Mixing 3 mL of graphene oxide (8 mg/mL) with 4.5mg of multi-walled carbon nanotubes to form a graphene oxide-multi-walled carbon nanotube composite, and placing the graphene oxide-multi-walled carbon nanotube composite in a freeze dryer at the temperature of-40 ℃ for drying for 12 hours; carrying out self-propagating combustion reduction on the dried compound to form a compound of reduced graphene oxide and multi-walled carbon nanotubes; mixing polypropylene (PP) homopolymerized resin and copolymer resin in a mass ratio of 3:7, then adding a reduced graphene oxide-multiwalled carbon nanotube compound and a flame retardant QB-PN 4, and blowing out and molding by a film blowing machine at an extrusion temperature of 185 ℃ and a vehicle speed of 5m/min to form a barrier film; and (3) carrying out hot pressing on the forming layer, the barrier film and the framework layer by a hot melt adhesive film mode at a hot pressing temperature of 125 ℃ for 5 s to obtain a fabric, processing the fabric into a raincoat, and packaging to obtain the protective clothing for spraying the pesticide.
Example 2
Mixing 3 mL of graphene oxide (8 mg/mL) with 4.5mg of multi-walled carbon nanotubes to form a graphene oxide-multi-walled carbon nanotube composite, and placing the graphene oxide-multi-walled carbon nanotube composite in a freeze dryer at the temperature of-40 ℃ for drying for 12 hours; carrying out self-propagating combustion reduction on the dried compound to form a compound of reduced graphene oxide and multi-walled carbon nanotubes; mixing polypropylene (PP) homopolymerized resin and copolymer resin in a mass ratio of 2:8, then adding a reduced graphene oxide-multiwalled carbon nanotube compound and a flame retardant QB-PN 4, and blowing out and molding by a film blowing machine at an extrusion temperature of 185 ℃ and a vehicle speed of 5m/min to form a barrier film; and (3) carrying out hot pressing on the forming layer, the barrier film and the framework layer by a hot melt adhesive film mode at a hot pressing temperature of 125 ℃ for 5 s to obtain a fabric, processing the fabric into a raincoat, and packaging to obtain the protective clothing for spraying the pesticide.
Example 3
Mixing 3 mL of graphene oxide (8 mg/mL) with 4.5mg of multi-walled carbon nanotubes to form a graphene oxide-multi-walled carbon nanotube composite, and placing the graphene oxide-multi-walled carbon nanotube composite in a freeze dryer at the temperature of-40 ℃ for drying for 12 hours; carrying out self-propagating combustion reduction on the dried compound to form a compound of reduced graphene oxide and multi-walled carbon nanotubes; mixing polypropylene (PP) homopolymerized resin and copolymer resin in a mass ratio of 1:9, then adding a reduced graphene oxide-multiwalled carbon nanotube compound and a flame retardant QB-PN 4, and blowing out and molding by a film blowing machine at an extrusion temperature of 185 ℃ and a vehicle speed of 5m/min to form a barrier film; and (3) carrying out hot pressing on the forming layer, the barrier film and the framework layer by a hot melt adhesive film mode at a hot pressing temperature of 125 ℃ for 5 s to obtain a fabric, processing the fabric into a raincoat, and packaging to obtain the protective clothing for spraying the pesticide.
Performance testing
Testing the moisture permeability of the protective clothing for spraying the pesticide according to the national standard GB 12799-91;
testing the air permeability of the protective clothing for spraying the pesticide according to the national standard GB 5453-851;
testing the acidity prevention of the protective clothing for spraying the pesticide according to the national standard GB 12013-89;
the alkali resistance of the protective clothing for spraying the pesticide is tested according to German standard DIN 32763;
the pesticide penetration resistance of the protective clothing for spraying pesticide is tested according to the national standard GB 12799-91.
Claims (3)
1. A preparation method of protective clothing for spraying pesticide is characterized in that: the preparation method mainly comprises the following steps:
(1) mixing graphene oxide with the concentration of 3-12 mg/mL and a multi-walled carbon nanotube according to the mass ratio of 5: 1-20: 1 to form a graphene oxide-multi-walled carbon nanotube composite, and placing the graphene oxide-multi-walled carbon nanotube composite in a freeze dryer with the temperature set to-20 to-40 ℃ for drying for 8-12 hours;
(2) reducing the dried compound by a self-propagating combustion method to form a compound of reduced graphene oxide and multi-walled carbon nanotubes;
(3) mixing polypropylene (PP) homopolymerized resin and copolymer resin according to the mass ratio of 3:7-1:9 to form a white mixture;
(4) adding the reduced graphene oxide-multiwalled carbon nanotube compound and a flame retardant into the mixture, and blowing out and molding the mixture by a film blowing machine to form a barrier film;
(5) and (3) carrying out hot pressing on the forming layer, the barrier film and the framework layer by a high-pressure pyrograph machine in a hot melt adhesive film mode to obtain a fabric, processing the fabric into a raincoat, and packaging to obtain the protective clothing for spraying the pesticide.
2. The method for preparing a protective clothing for spraying pesticides according to claim 1, which is characterized in that: in the step (4), the blowing environment of the film blowing machine is as follows: extruding at 175-195 deg.c and speed of 5-8 m/min to form 50-90 micron thick polypropylene film.
3. The method for preparing a protective clothing for spraying pesticides according to claim 1, which is characterized in that: the hot-pressing environment in the step (5) is as follows: the hot pressing temperature is 115-145 ℃, and the time is 5-15 s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010595468.5A CN111703099B (en) | 2020-06-27 | 2020-06-27 | Preparation method of protective clothing for spraying pesticide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010595468.5A CN111703099B (en) | 2020-06-27 | 2020-06-27 | Preparation method of protective clothing for spraying pesticide |
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| Publication Number | Publication Date |
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| CN111703099A CN111703099A (en) | 2020-09-25 |
| CN111703099B true CN111703099B (en) | 2022-04-19 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102115566A (en) * | 2011-01-06 | 2011-07-06 | 西安理工大学 | Preparation method for graphene oxide with high barrier property and polymer nanocomposite film |
| CN103012953A (en) * | 2012-10-23 | 2013-04-03 | 台州学院 | Flame-retardant polypropylene/graphene/carbon nano tube nanocomposite material and preparation method thereof |
| CN105462127A (en) * | 2015-12-22 | 2016-04-06 | 安徽鼎正包装材料有限公司 | Degradable embossed pesticide packaging membrane |
| CN106835352A (en) * | 2017-03-29 | 2017-06-13 | 江苏宝美户外用品股份有限公司 | A kind of anti-corrosion fabric and by its obtained protective garment |
| CN110172166A (en) * | 2019-05-27 | 2019-08-27 | 新奥石墨烯技术有限公司 | Heat-conducting plastic master batch and preparation method thereof and heat-conducting plastic |
| CN111087636A (en) * | 2019-12-31 | 2020-05-01 | 江阴市鑫顺塑料制品有限公司 | Preparation method of high-barrier anti-leakage cast polypropylene film |
-
2020
- 2020-06-27 CN CN202010595468.5A patent/CN111703099B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102115566A (en) * | 2011-01-06 | 2011-07-06 | 西安理工大学 | Preparation method for graphene oxide with high barrier property and polymer nanocomposite film |
| CN103012953A (en) * | 2012-10-23 | 2013-04-03 | 台州学院 | Flame-retardant polypropylene/graphene/carbon nano tube nanocomposite material and preparation method thereof |
| CN105462127A (en) * | 2015-12-22 | 2016-04-06 | 安徽鼎正包装材料有限公司 | Degradable embossed pesticide packaging membrane |
| CN106835352A (en) * | 2017-03-29 | 2017-06-13 | 江苏宝美户外用品股份有限公司 | A kind of anti-corrosion fabric and by its obtained protective garment |
| CN110172166A (en) * | 2019-05-27 | 2019-08-27 | 新奥石墨烯技术有限公司 | Heat-conducting plastic master batch and preparation method thereof and heat-conducting plastic |
| CN111087636A (en) * | 2019-12-31 | 2020-05-01 | 江阴市鑫顺塑料制品有限公司 | Preparation method of high-barrier anti-leakage cast polypropylene film |
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Denomination of invention: A method for preparing protective clothing for spraying agricultural medicine Effective date of registration: 20231120 Granted publication date: 20220419 Pledgee: Xiangshan County sub branch of Agricultural Bank of China Ltd. Pledgor: NINGBO GUXIANGXING UMBRELLA Co.,Ltd. Registration number: Y2023330002705 |