CN108085967B - Nano CaCO3Preparation method of modified polypropylene anti-aging geotextile - Google Patents
Nano CaCO3Preparation method of modified polypropylene anti-aging geotextile Download PDFInfo
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- CN108085967B CN108085967B CN201711372305.5A CN201711372305A CN108085967B CN 108085967 B CN108085967 B CN 108085967B CN 201711372305 A CN201711372305 A CN 201711372305A CN 108085967 B CN108085967 B CN 108085967B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/76—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon oxides or carbonates
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
- D06M15/233—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated aromatic, e.g. styrene
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
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Abstract
The invention provides a preparation method of a nano CaCO3 modified polypropylene anti-aging geotextile, which adopts nano calcium carbonate to perform anti-aging finishing on polypropylene, can obviously reduce the cost, solves the problem of poor dispersion of a nano calcium carbonate inorganic material in a solution through coating of a compound, and improves the anti-aging performance of a polypropylene non-woven fabric by finishing the polypropylene non-woven fabric through an impregnation method and adopting the modified nano calcium carbonate.
Description
Technical Field
The invention relates to nano CaCO3A preparation method of modified polypropylene anti-aging geotextile belongs to the technical field of non-woven after-finishing.
Background
The polypropylene has the advantages of simple synthesis method, balanced mechanical properties, higher thermal deformation temperature, low water absorption and the like, so that the polypropylene becomes one of the most used varieties in the geotechnical industry. But the polypropylene has an aging phenomenon which is macroscopically represented by strength reduction of the geotextile, macrostructure damage and the like. The aging of the geotextile refers to the phenomenon that the geotextile is easy to be affected by the combined action of internal factors and external factors in the processing, storage and use processes, and the performance of the geotextile is gradually deteriorated so as to lose the use value finally. The addition of nano material in polypropylene material is a common method for anti-aging modification of polypropylene.
The existing method for modifying polypropylene material by nano material has certain problems, mainly comprising the following steps: (1) the nanoparticles cannot be uniformly dispersed in the geotechnical material; (2) the added nanoparticles are costly.
Disclosure of Invention
The invention aims at providing nano CaCO3The preparation method of the modified polypropylene anti-aging geotextile has higher costAnd under the low condition, the ageing resistance of the polypropylene non-woven fabric is improved.
In order to solve the technical problems, the invention provides nano CaCO3The preparation method of the modified polypropylene anti-aging geotextile comprises the following steps:
step one, performing carboxylation modification on nano calcium carbonate;
step two, carrying out hyperbranched polyether compound treatment on the carboxylated nano calcium carbonate;
step three, preparing nano calcium carbonate finishing liquid;
and step four, putting the polypropylene geotextile into the nano calcium carbonate finishing liquid for dipping treatment to obtain the modified polypropylene anti-aging geotextile.
Further, in the nano CaCO3In the preparation method of the modified polypropylene anti-aging geotextile, the step of performing carboxylation modification on the nano calcium carbonate comprises the following steps:
adding 1-5 mL of methacrylic acid into 200mL and 100mL of methanol, stirring, and adding 5-20 g of calcium carbonate; heating to 50-70 ℃, adding 10mL of styrene in N2And (3) fully stirring under the protection of gas, adding 0.3-0.8 g of initiator, reacting at the constant temperature of 80 ℃, filtering, washing, and drying in vacuum at the temperature of 50-70 ℃ to obtain a carboxylated calcium carbonate powder sample.
Further, in the nano CaCO3In the preparation method of the modified polypropylene anti-aging geotextile, the powder sample is mechanically ground and crushed to obtain carboxylated calcium carbonate particles with the diameter of 30-500 nm.
Further, in the nano CaCO3In the preparation method of the modified polypropylene anti-aging geotextile, the initiator is a persulfate.
Further, in the nano CaCO3In the preparation method of the modified polypropylene anti-aging geotextile, the step of treating the carboxylated nano calcium carbonate with the hyperbranched polyether compound comprises the following steps:
and (2) putting the carboxylated calcium carbonate into a hyperbranched polyester solution, wherein the ratio of the hyperbranched polyether to the calcium carbonate is 1: 10-50, stirring, drying and removing water to obtain the hyperbranched coated nano calcium carbonate.
Further, in the nano CaCO3In the preparation method of the modified polypropylene anti-aging geotextile, the hyperbranched polyether is prepared by ring-opening taking glycidol as a raw material.
Further, in the nano CaCO3In the preparation method of the modified polypropylene anti-aging geotextile, the preparation step of the nano calcium carbonate finishing liquid comprises the following steps: and (2) putting the hyperbranched coated nano calcium carbonate into a polyvinyl alcohol emulsion adhesive, wherein the content of the nano calcium carbonate and the content of the polyacrylate adhesive are 1: 30-50, and fully stirring to obtain the nano calcium carbonate finishing liquid.
Further, in the nano CaCO3In the preparation method of the modified polypropylene anti-aging geotextile, the polypropylene geotextile is put into nano calcium carbonate finishing liquid at a bath ratio of 1: 30-50, and the polypropylene geotextile is taken out and then put into an oven for drying to obtain the modified polypropylene anti-aging geotextile.
The nano CaCO provided by the invention3According to the preparation method of the modified polypropylene anti-aging geotextile, the nano calcium carbonate is adopted for anti-aging finishing of polypropylene, so that the cost can be obviously reduced, the problem of poor dispersion of a nano calcium carbonate inorganic material in a solution is solved through coating of a compound, and the anti-aging performance of the polypropylene nonwoven fabric is improved through finishing the polypropylene nonwoven fabric by adopting the modified nano calcium carbonate through an impregnation method.
Drawings
FIG. 1 shows a nano-grade CaCO according to an embodiment of the present invention3A flow chart of a preparation method of the modified polypropylene anti-aging geotextile.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The technical solutions provided by the embodiments of the present description are described in detail below with reference to the accompanying drawings.
Specifically, this embodiment provides a nano CaCO3The preparation method of the modified polypropylene anti-aging geotextile, as shown in figure 1, comprises the following steps:
step one, performing carboxylation modification on nano calcium carbonate;
step two, carrying out hyperbranched polyether compound treatment on the carboxylated nano calcium carbonate;
step three, preparing nano calcium carbonate finishing liquid;
and step four, putting the polypropylene geotextile into the nano calcium carbonate finishing liquid for dipping treatment to obtain the modified polypropylene anti-aging geotextile.
In particular, the nano CaCO3In the preparation method of the modified polypropylene anti-aging geotextile, the step of performing carboxylation modification on the nano calcium carbonate comprises the following steps:
adding 1-5 mL of methacrylic acid into 200mL and 100mL of methanol, stirring, and adding 5-20 g of calcium carbonate; heating to 50-70 ℃, adding 10mL of styrene in N2And (3) fully stirring under the protection of gas, adding 0.3-0.8 g of initiator, reacting at the constant temperature of 80 ℃, filtering, washing, and drying in vacuum at the temperature of 50-70 ℃ to obtain a carboxylated calcium carbonate powder sample.
In the nano CaCO3In the preparation method of the modified polypropylene anti-aging geotextile, the powder sample is mechanically ground and crushed to obtain carboxylated calcium carbonate particles with the diameter of 30-500 nm.
In the nano CaCO3In the preparation method of the modified polypropylene anti-aging geotextile, the initiator is a persulfate.
In the nano CaCO3In the preparation method of the modified polypropylene anti-aging geotextile, hyperbranched polyether compound is carried out on the carboxylated nano calcium carbonateThe processing steps comprise:
and (2) putting the carboxylated calcium carbonate into a hyperbranched polyester solution, wherein the ratio of the hyperbranched polyether to the calcium carbonate is 1: 10-50, stirring, drying and removing water to obtain the hyperbranched coated nano calcium carbonate.
In the nano CaCO3In the preparation method of the modified polypropylene anti-aging geotextile, the hyperbranched polyether is prepared by ring-opening taking glycidol as a raw material.
In the nano CaCO3In the preparation method of the modified polypropylene anti-aging geotextile, the preparation step of the nano calcium carbonate finishing liquid comprises the following steps: and (2) putting the hyperbranched coated nano calcium carbonate into a polyvinyl alcohol emulsion adhesive, wherein the content of the nano calcium carbonate and the content of the polyacrylate adhesive are 1: 30-50, and fully stirring to obtain the nano calcium carbonate finishing liquid.
In the nano CaCO3In the preparation method of the modified polypropylene anti-aging geotextile, the polypropylene geotextile is put into nano calcium carbonate finishing liquid at a bath ratio of 1: 30-50, and the polypropylene geotextile is taken out and then put into an oven for drying to obtain the modified polypropylene anti-aging geotextile.
Example one
Selecting CaCO3The average diameter of the powder particles is 300nm +/-100 nm. Adding 1mL of methacrylic acid into a mixed solvent of 200mL and 100mL of methanol, stirring, adding 20g of nano calcium carbonate, heating to 60 ℃, adding 10mL of styrene, and adding N2After fully stirring under the protection of gas, 0.3g of potassium persulfate initiator is added to react at the constant temperature of 80 ℃, and then the powder sample is obtained by filtering, washing and vacuum drying at the temperature of 60 ℃.
And (3) putting the carboxylated calcium carbonate particles into a hyperbranched polyether solution, stirring the hyperbranched polyether and the calcium carbonate with the use amount of 1:10, and drying to remove water to obtain the hyperbranched coated nano calcium carbonate.
The hyperbranched modified nano calcium carbonate is put into a polyacrylate emulsion adhesive, and the content of the calcium carbonate and the polyacrylate adhesive is 1: and 30, fully stirring to obtain the nano calcium carbonate finishing liquid.
And (3) putting the polypropylene geotextile into the impregnation liquid, wherein the bath ratio is 1: 50, the dipping temperature is 40 ℃, the dipping time is 5min, and the mixture is taken out and then is put into an oven to be dried at 100 ℃.
The polypropylene non-woven material produced by the method has obviously improved ageing resistance. When the surface brightness is increased, the ultraviolet resistance is improved, and the service efficiency of the geotextile can be improved compared with the common nano material.
The embodiment of the invention provides nano CaCO3According to the preparation method of the modified polypropylene anti-aging geotextile, the nano calcium carbonate is adopted for anti-aging finishing of polypropylene, so that the cost can be obviously reduced, the problem of poor dispersion of a nano calcium carbonate inorganic material in a solution is solved through coating of a compound, and the anti-aging performance of the polypropylene nonwoven fabric is improved through finishing the polypropylene nonwoven fabric by adopting the modified nano calcium carbonate through an impregnation method.
The method provided by the invention is simple and efficient, the problem of poor compatibility of the inorganic nano calcium carbonate and an organic phase interface is solved, and the prepared nano calcium carbonate can be uniformly dispersed in the emulsion. The addition of the nano calcium carbonate can enhance the ultraviolet light absorption and reflection capability of the polypropylene, so that the anti-aging performance of the geotextile can be improved, and the geotextile can be widely applied.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (5)
1. Nano CaCO3The preparation method of the modified polypropylene anti-aging geotextile is characterized by comprising the following steps:
step one, performing carboxylation modification on nano calcium carbonate; the method comprises the following steps:
adding 1-5 mL of methacrylic acid into 200mL and 100mL of methanol, stirring, and adding 5-20 g of calcium carbonate; heating to 50-70 ℃, and adding 10mL styrene in N2Fully stirring under the protection of gas, adding 0.3-0.8 g of initiator to react at a constant temperature of 80 ℃, filtering, washing, and drying in vacuum at a temperature of 50-70 ℃ to obtain a carboxylated calcium carbonate powder sample;
step two, carrying out hyperbranched polyether compound treatment on the carboxylated nano calcium carbonate; the method comprises the following steps:
putting carboxylated calcium carbonate into a hyperbranched polyether solution, wherein the ratio of hyperbranched polyether to calcium carbonate is 1: 10-50, stirring, drying and removing water to obtain hyperbranched coated nano calcium carbonate, wherein the hyperbranched polyether is prepared by taking glycidol as a raw material through ring opening;
step three, preparing nano calcium carbonate finishing liquid;
and step four, putting the polypropylene geotextile into the nano calcium carbonate finishing liquid for dipping treatment to obtain the modified polypropylene anti-aging geotextile.
2. The nano CaCO of claim 13The preparation method of the modified polypropylene anti-aging geotextile is characterized by comprising the step of mechanically grinding and crushing the powder sample to obtain carboxylated calcium carbonate particles with the diameter of 30-500 nm.
3. The nano CaCO of claim 13The preparation method of the modified polypropylene anti-aging geotextile is characterized in that the initiator is a persulfate.
4. The nano CaCO of claim 13The preparation method of the modified polypropylene anti-aging geotextile is characterized in that the preparation method of the nano calcium carbonate finishing liquid comprises the following steps: and (2) putting the hyperbranched coated nano calcium carbonate into a polyacrylate adhesive, wherein the content of the nano calcium carbonate and the polyacrylate adhesive is 1: 30-50, and fully stirring to obtain the nano calcium carbonate finishing liquid.
5. The nano CaCO of claim 13Modified polypropylene anti-aging soilThe preparation method of the geotextile is characterized by comprising the steps of putting the polypropylene geotextile into nano calcium carbonate finishing liquid at a bath ratio of 1: 30-50, taking out the geotextile and putting the geotextile into an oven for drying to obtain the modified polypropylene anti-aging geotextile.
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| CN114456489B (en) * | 2022-01-21 | 2024-01-23 | 台州市盛尔达塑业有限公司 | Gallon basin material and preparation method thereof |
| 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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| CN2532099Y (en) * | 2002-01-11 | 2003-01-22 | 常州市生富公路材料有限公司 | Nano material modified geotextile |
| CN101220216A (en) * | 2007-12-18 | 2008-07-16 | 福建师范大学 | Method for producing inorganic powder body with 'nucleus-shell' structure by surface modification |
| CN101524895A (en) * | 2009-03-26 | 2009-09-09 | 上海大学 | Method of using super-cladodification polymer branch-connection inorganic nanometer powder for reinforcing surface rubber performance of engineering tyre |
| CN102583485A (en) * | 2012-04-06 | 2012-07-18 | 南京大学（苏州）高新技术研究院 | Monodispersed vaterite type calcium carbonate microsphere and preparation method thereof |
| CN104559327A (en) * | 2015-01-27 | 2015-04-29 | 华东理工大学 | Surface modified nano calcium carbonate with core-shell structure and preparation method thereof |
| CN107215049A (en) * | 2017-07-21 | 2017-09-29 | 江苏远大新纺织联合发展有限公司 | High-strength anti-aging warp-knitted composite geotextile and preparation method of anti-aging layer thereof |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2532099Y (en) * | 2002-01-11 | 2003-01-22 | 常州市生富公路材料有限公司 | Nano material modified geotextile |
| CN101220216A (en) * | 2007-12-18 | 2008-07-16 | 福建师范大学 | Method for producing inorganic powder body with 'nucleus-shell' structure by surface modification |
| CN101524895A (en) * | 2009-03-26 | 2009-09-09 | 上海大学 | Method of using super-cladodification polymer branch-connection inorganic nanometer powder for reinforcing surface rubber performance of engineering tyre |
| CN102583485A (en) * | 2012-04-06 | 2012-07-18 | 南京大学（苏州）高新技术研究院 | Monodispersed vaterite type calcium carbonate microsphere and preparation method thereof |
| CN104559327A (en) * | 2015-01-27 | 2015-04-29 | 华东理工大学 | Surface modified nano calcium carbonate with core-shell structure and preparation method thereof |
| CN107215049A (en) * | 2017-07-21 | 2017-09-29 | 江苏远大新纺织联合发展有限公司 | High-strength anti-aging warp-knitted composite geotextile and preparation method of anti-aging layer thereof |
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