CN113026143A - Degradable grass fiber for artificial lawn and preparation process thereof - Google Patents
Degradable grass fiber for artificial lawn and preparation process thereof Download PDFInfo
- Publication number
- CN113026143A CN113026143A CN202110286215.4A CN202110286215A CN113026143A CN 113026143 A CN113026143 A CN 113026143A CN 202110286215 A CN202110286215 A CN 202110286215A CN 113026143 A CN113026143 A CN 113026143A
- Authority
- CN
- China
- Prior art keywords
- grass fiber
- degradable
- master batch
- powder
- degradable resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
- C09J167/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a degradable grass fiber for an artificial lawn and a preparation process thereof, wherein the preparation process comprises the following steps: (1) preparing degradable resin master batch: uniformly stirring the material components of the degradable resin master batch, and extruding and granulating to prepare the degradable resin master batch; (2) preparing artificial turf grass fiber: a. uniformly mixing the material components of the grass fiber, and extruding and drawing to obtain a grass fiber raw material; b. drafting the above grass fiber raw materials to obtain grass fiber. According to the invention, the grass fiber and the base fabric are bonded through the degradable resin master batch in the grass fiber, so that the compatibility between the hot-melt powder and the grass fiber and the base fabric is improved, the manufactured artificial lawn can be mixed and recycled, and the recycling difficulty of the artificial lawn is reduced; the hot-melt powder is prepared from the degradable resin master batch, has degradation performance, can be degraded with the base fabric and the grass fiber in a synergistic manner, promotes the full degradation of the artificial turf, realizes the application of the prepared degradable base fabric in the artificial turf, and is beneficial to the recovery of the artificial turf.
Description
Technical Field
The invention relates to the technical field of artificial lawns, in particular to degradable grass fiber for an artificial lawn and a preparation process thereof.
Background
The artificial lawn is a chemical product with natural grass sports performance, is applied to sports and leisure places, has the advantages of light weight, high strength, stable performance and the like, has low maintenance and management cost, and has longer service performance compared with a natural lawn. The artificial lawn comprises artificial grass fiber, a base fabric and a back adhesive, wherein the artificial grass fiber and the base fabric are fixed by the back adhesive, and the artificial grass fiber is woven on the base fabric. Most of the artificial grass fibers in the artificial lawn are made of polyethylene and polypropylene, and the back adhesive is usually made of carboxylic styrene-butadiene, polyurethane and the like. If not properly disposed of after use, these chemical materials can be harmful to the environment and artificial turf made from these materials needs to be recycled. The compatibility of the grass fiber and the gum is low, the mixed recovery can hinder the performance of the material, the recovery value is reduced, and if the grass fiber and the gum are separated and recovered, the process is complicated, the cost is high, and the recovery difficulty is high. Therefore, we propose a degradable grass fiber for artificial turf and a preparation process thereof.
Disclosure of Invention
The invention aims to provide a degradable grass fiber for an artificial lawn and a preparation process thereof, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: a preparation process of degradable grass fibers for artificial turf comprises the following steps:
(1) preparing degradable resin master batch: uniformly stirring the material components of the degradable resin master batch, and extruding and granulating to prepare the degradable resin master batch;
(2) preparing artificial turf grass fiber:
a. uniformly mixing the material components of the grass fiber, and extruding and drawing to obtain a grass fiber raw material, wherein the material components of the grass fiber contain degradable resin master batches;
b. drafting the above grass fiber raw materials to obtain grass fiber.
Further, the extrusion temperature in the step (1) is 100-220 ℃, the extrusion temperature in the extrusion process in the step (2) is 140-240 ℃, the drafting multiple in the drafting process is 3-6 times, and the retraction multiple is 0.6-0.9 times.
Further, the grass fiber material comprises the following components in parts by weight: 0-90 parts of polyethylene or polypropylene, 0-90 parts of degradable resin master batch, 0-10 parts of compatilizer, 2-8 parts of color master batch, 1-5 parts of anti-aging master batch and 0-2 parts of functional master batch.
Further, the degradable resin master batch comprises resin, inorganic particles and an auxiliary agent; the resin is one or more of polylactic acid, polyglycolic acid, polycaprolactone, polybutylene succinate, polybutylene terephthalate, copolymer of polybutylene succinate/adipate, polybutylene adipate and polybutylene terephthalate, the inorganic particles are one or more of calcium carbonate, wollastonite and talcum powder, and the auxiliary agent is one or more of a coupling agent, a compatilizer, a chain extender and an anti-hydrolysis agent.
Further, the compatilizer is one of maleic anhydride, citric acid, maleic anhydride/citric acid grafted polyethylene and maleic anhydride/citric acid grafted polyolefin elastomer, and the anti-aging master batch is an antioxidant and a light stabilizer.
Further, the antioxidant is antioxidant 1010 and antioxidant 168, and the light stabilizer is light stabilizer 944, light stabilizer 2020 and light stabilizer XT-55.
Furthermore, the functional master batch is one or more of polyphthalamide, erucamide, polysiloxane, antistatic agent and antibacterial agent.
In the technical scheme, the polyethylene or polypropylene, the degradable resin master batch, the compatilizer, the anti-aging master batch, the functional master batch and the master batch are co-extruded at first, then the grass fiber is prepared by drafting, and the daily service performance and the degradable performance after the service period of the grass fiber are realized by utilizing the matching between the degradable resin master batch and the compatilizer, the anti-aging master batch and the functional master batch;
when the grass fiber is used, the component degradable resin master batches are ground to prepare powder with the grain size of 10-1000 meshes, the powder is arranged on the base fabric woven with the grass fiber, the powder is heated and compounded, the grass fiber is fixed to prepare the artificial lawn, the component degradable resin master batches in the grass fiber are utilized for bonding, the compatibility between the hot-melt powder and the grass fiber and the base fabric is improved, the prepared artificial lawn can be mixed and recycled, and the recycling difficulty of the artificial lawn is reduced; the hot-melt powder is prepared from the degradable resin master batch, has degradation performance, can be degraded with the base fabric and the grass fiber in a synergistic manner, promotes the full degradation of the artificial turf, and realizes the application of the prepared degradable base fabric in the artificial turf.
An artificial turf prepared by the above artificial grass fiber, characterized in that: the method comprises the following steps:
grinding the prepared degradable resin master batch into powder to prepare degradable resin hot-melt powder;
weaving grass fibers on the base fabric, arranging the degradable resin hot-melt powder at the bottom of the base fabric, heating and compounding, and fixing the grass fibers to obtain the artificial turf.
Further, the method comprises the following steps:
a. preparing degradable resin hot-melt powder:
grinding the prepared degradable resin master batch to prepare powder with the particle size of 10-1000 meshes to prepare powder A;
carrying out plasma treatment on the powder A, adding the powder A into a toluene solution of terephthaloyl chloride in a nitrogen atmosphere, reacting for 5-7 h at the temperature of 30-50 ℃, filtering, cleaning and drying to obtain powder B;
taking succinic acid, butanediol, hexamethylenediamine, 1, 2-pentanediol and 3, 5-diamino-1, 2, 4-triazole, adding dibutyl tin dilaurate, heating to melt in an argon atmosphere, slowly heating to 175-184 ℃, reacting for 7-9 h, reducing the pressure to-0.2-0.1 MPa, heating to 227-235 ℃, reacting for 5-6 h, and cooling to obtain a prepolymer;
taking the prepolymer, adding cresol, triethylamine and toluene diisocyanate into the prepolymer in a nitrogen atmosphere, heating the prepolymer to 120-130 ℃, adding the powder B into the prepolymer, reacting for 4-5 hours, cleaning and drying to obtain degradable resin hot-melt powder;
b. preparing an artificial lawn:
weaving grass fibers on the base fabric, arranging the degradable resin hot-melt powder at the bottom of the base fabric, heating and compounding, and fixing the grass fibers to obtain the artificial turf.
In the technical scheme, the degradable resin master batch is subjected to plasma treatment and then reacts with terephthaloyl chloride to complete acyl chlorination; polymerizing succinic acid, butanediol, hexamethylenediamine, 1, 2-pentanediol and 3, 5-diamino-1, 2, 4-triazole to form a copolymer prepolymer; the acyl chloride powder B reacts with the prepolymer, so that the surface elasticity, bonding strength and mechanical property of the degradable resin hot-melt powder can be improved while the degradability of the degradable resin hot-melt powder is ensured, the single-cluster pull-out force of the grass fiber in use is ensured, the service performance of the artificial turf prepared is improved, and the continuous pull-out resistance performance is improved.
Compared with the prior art, the invention has the following beneficial effects:
according to the degradable grass fiber for the artificial turf and the preparation process thereof, the grass fiber and the base fabric are bonded through the degradable resin master batch in the grass fiber, so that the compatibility between the hot-melt powder and the grass fiber and the base fabric is improved, the prepared artificial turf can be mixed and recycled, and the recycling difficulty of the artificial turf is reduced; the hot-melt powder is prepared from the degradable resin master batch, has degradation performance, can be degraded with the base fabric and the grass fiber in a synergistic manner, promotes the full degradation of the artificial turf, realizes the application of the prepared degradable base fabric in the artificial turf, and is beneficial to the recovery of the artificial turf.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
Example 1
(1) Preparing degradable resin master batch: taking 85 parts of a copolymer of butanediol adipate and butanediol terephthalate, 5 parts of polylactic acid, 0.3 part of a chain extender, 0.2 part of an anti-hydrolysis agent and 10 parts of 2000-mesh calcium carbonate, uniformly stirring, and carrying out extrusion granulation at the extrusion temperature of 160 ℃ to obtain degradable resin master batches;
(2) preparing artificial turf grass fiber:
a. uniformly stirring 25 parts of linear low-density polyethylene, 10 parts of high-density polyethylene, 50 parts of degradable resin master batch, 5 parts of maleic anhydride grafted POE, 5 parts of anti-aging master batch, 1 part of functional master batch and 4 parts of master batch, and putting the mixture into a single-screw extruder for wire drawing, wherein the extrusion temperature is 190 ℃ to prepare a grass fiber raw material;
b. drafting the grass fiber raw material by 5 times and 0.8 time of retraction, and twisting to obtain grass fibers;
(3) preparing an artificial lawn:
a. preparing degradable resin hot-melt powder: grinding the prepared degradable resin master batch to prepare powder with the particle size of 10 meshes;
b. preparing an artificial lawn: weaving grass fibers on the base fabric, arranging the degradable resin hot-melt powder at the bottom of the base fabric, heating and compounding, and fixing the grass fibers to obtain the artificial turf.
Example 2
(1) Preparing degradable resin master batch: taking 75 parts of a copolymer of butanediol adipate and butanediol terephthalate, 10 parts of polylactic acid, 0.4 part of a chain extender, 0.2 part of an anti-hydrolysis agent, 0.5 part of a coupling agent and 15 parts of 2000-mesh talcum powder, uniformly stirring, extruding and granulating, wherein the extrusion temperature is 160 ℃, and preparing degradable resin master batches;
(2) preparing artificial turf grass fiber:
a. taking 90 parts of degradable resin master batch, 5 parts of anti-aging master batch, 1 part of functional master batch and 4 parts of fully-degradable master batch, uniformly stirring, and placing the mixture in a single-screw extruder for wire drawing, wherein the extrusion temperature is 190 ℃ to prepare a grass fiber raw material;
b. drafting the grass fiber raw material by 5 times and retracting by 0.8, and covering yarn to prepare grass fiber;
(3) preparing an artificial lawn:
a. preparing degradable resin hot-melt powder: grinding the prepared degradable resin master batch to prepare powder with the particle size of 500 meshes;
b. preparing an artificial lawn: weaving grass fibers on the base fabric, arranging the degradable resin hot-melt powder at the bottom of the base fabric, heating and compounding, and fixing the grass fibers to obtain the artificial turf.
Example 3
(1) Preparing degradable resin master batch: taking 75 parts of a copolymer of butanediol adipate and butanediol terephthalate, 10 parts of polylactic acid, 0.4 part of a chain extender, 0.2 part of an anti-hydrolysis agent, 0.5 part of a coupling agent and 15 parts of 2000-mesh talcum powder, uniformly stirring, extruding and granulating, wherein the extrusion temperature is 100 ℃, and preparing degradable resin master batches;
(2) preparing artificial turf grass fiber:
a. taking 90 parts of degradable resin master batch, 5 parts of anti-aging master batch, 1 part of functional master batch and 4 parts of fully-degradable master batch, uniformly stirring, and placing the mixture in a single-screw extruder for wire drawing, wherein the extrusion temperature is 140 ℃ to prepare a grass fiber raw material;
b. drafting the grass fiber raw material by 3 times and retracting by 0.6, and covering yarn to prepare grass fiber;
(3) preparing an artificial lawn:
a. preparing degradable resin hot-melt powder:
grinding the prepared degradable resin master batch to prepare powder with the particle size of 10 meshes to prepare powder A;
performing plasma treatment on the powder A, adding the powder A into a toluene solution of terephthaloyl chloride in a nitrogen atmosphere, reacting for 5 hours at the temperature of 30 ℃, filtering, cleaning and drying to obtain powder B;
taking succinic acid, butanediol, hexamethylenediamine, 1, 2-pentanediol and 3, 5-diamino-1, 2, 4-triazole, adding dibutyl tin dilaurate, heating to melt in an argon atmosphere, slowly heating to 175 ℃, reacting for 7h, reducing the pressure to-0.1 MPa, heating to 227 ℃, reacting for 5h, and cooling to obtain a prepolymer;
taking the prepolymer, adding cresol, triethylamine and toluene diisocyanate into the prepolymer in a nitrogen atmosphere, heating the prepolymer to 120 ℃, adding the powder B into the prepolymer, reacting the mixture for 4 hours, cleaning the mixture, and drying the mixture to obtain degradable resin hot-melt powder;
b. preparing an artificial lawn:
weaving grass fibers on the base fabric, arranging the degradable resin hot-melt powder at the bottom of the base fabric, heating and compounding, and fixing the grass fibers to obtain the artificial turf.
Example 4
(1) Preparing degradable resin master batch: taking 75 parts of a copolymer of butanediol adipate and butanediol terephthalate, 10 parts of polylactic acid, 0.4 part of a chain extender, 0.2 part of an anti-hydrolysis agent, 0.5 part of a coupling agent and 15 parts of 2000-mesh talcum powder, uniformly stirring, extruding and granulating, wherein the extrusion temperature is 160 ℃, and preparing degradable resin master batches;
(2) preparing artificial turf grass fiber:
a. taking 90 parts of degradable resin master batch, 5 parts of anti-aging master batch, 1 part of functional master batch and 4 parts of fully-degradable master batch, uniformly stirring, and placing the mixture in a single-screw extruder for wire drawing, wherein the extrusion temperature is 190 ℃ to prepare a grass fiber raw material;
b. drafting the grass fiber raw material by 5 times and retracting by 0.8, and covering yarn to prepare grass fiber;
(3) preparing an artificial lawn:
a. preparing degradable resin hot-melt powder:
grinding the prepared degradable resin master batch to prepare powder with the particle size of 500 meshes to prepare powder A;
performing plasma treatment on the powder A, adding the powder A into a toluene solution of terephthaloyl chloride in a nitrogen atmosphere, reacting for 6 hours at the temperature of 40 ℃, filtering, cleaning and drying to obtain powder B;
taking succinic acid, butanediol, hexamethylenediamine, 1, 2-pentanediol and 3, 5-diamino-1, 2, 4-triazole, adding dibutyl tin dilaurate, heating to melt in an argon atmosphere, slowly heating to 180 ℃, reacting for 8 hours, reducing the pressure to-0.1 MPa, heating to 230 ℃, reacting for 5 hours, and cooling to obtain a prepolymer;
taking the prepolymer, adding cresol, triethylamine and toluene diisocyanate into the prepolymer in a nitrogen atmosphere, heating the prepolymer to 125 ℃, adding the powder B into the prepolymer, reacting the mixture for 4.5 hours, cleaning the mixture, and drying the mixture to obtain degradable resin hot-melt powder;
b. preparing an artificial lawn:
weaving grass fibers on the base fabric, arranging the degradable resin hot-melt powder at the bottom of the base fabric, heating and compounding, and fixing the grass fibers to obtain the artificial turf.
Example 5
(1) Preparing degradable resin master batch: taking 75 parts of a copolymer of butanediol adipate and butanediol terephthalate, 10 parts of polylactic acid, 0.4 part of a chain extender, 0.2 part of an anti-hydrolysis agent, 0.5 part of a coupling agent and 15 parts of 2000-mesh talcum powder, uniformly stirring, extruding and granulating, wherein the extrusion temperature is 220 ℃, and preparing degradable resin master batches;
(2) preparing artificial turf grass fiber:
a. taking 90 parts of degradable resin master batch, 5 parts of anti-aging master batch, 1 part of functional master batch and 4 parts of fully-degradable master batch, uniformly stirring, and placing the mixture in a single-screw extruder for wire drawing, wherein the extrusion temperature is 240 ℃ to prepare a grass fiber raw material;
b. drafting the grass fiber raw material by 6 times and retracting by 0.9 times, and covering yarn to obtain grass fiber;
(3) preparing an artificial lawn:
a. preparing degradable resin hot-melt powder:
grinding the prepared degradable resin master batch to prepare powder with the particle size of 1000 meshes to prepare powder A;
performing plasma treatment on the powder A, adding the powder A into a toluene solution of terephthaloyl chloride in a nitrogen atmosphere, reacting for 7 hours at the solution temperature of 50 ℃, filtering, cleaning and drying to obtain powder B;
taking succinic acid, butanediol, hexamethylenediamine, 1, 2-pentanediol and 3, 5-diamino-1, 2, 4-triazole, adding dibutyl tin dilaurate, heating to melt in an argon atmosphere, slowly heating to 184 ℃, reacting for 9h, reducing the pressure to-0.2 MPa, heating to 235 ℃, reacting for 6h, and cooling to obtain a prepolymer;
taking the prepolymer, adding cresol, triethylamine and toluene diisocyanate into the prepolymer in a nitrogen atmosphere, heating the prepolymer to 130 ℃, adding the powder B into the prepolymer, reacting the mixture for 5 hours, cleaning the mixture, and drying the mixture to obtain degradable resin hot-melt powder;
b. preparing an artificial lawn:
weaving grass fibers on the base fabric, arranging the degradable resin hot-melt powder at the bottom of the base fabric, heating and compounding, and fixing the grass fibers to obtain the artificial turf.
Comparative example 1
(1) Preparing degradable resin master batch: taking 75 parts of a copolymer of butanediol adipate and butanediol terephthalate, 10 parts of polylactic acid, 0.4 part of a chain extender, 0.2 part of an anti-hydrolysis agent, 0.5 part of a coupling agent and 15 parts of 2000-mesh talcum powder, uniformly stirring, extruding and granulating, wherein the extrusion temperature is 160 ℃, and preparing degradable resin master batches;
(2) preparing artificial turf grass fiber:
a. taking 90 parts of degradable resin master batch, 5 parts of anti-aging master batch, 1 part of functional master batch and 4 parts of fully-degradable master batch, uniformly stirring, and placing the mixture in a single-screw extruder for wire drawing, wherein the extrusion temperature is 190 ℃ to prepare a grass fiber raw material;
b. drafting the grass fiber raw material by 5 times and retracting by 0.8, and covering yarn to prepare grass fiber;
(3) preparing an artificial lawn:
preparing an artificial lawn: weaving grass fiber on the base fabric, arranging carboxylic butylbenzene at the bottom of the base fabric, heating and compounding, and fixing the grass fiber to obtain the artificial turf.
Comparative example 2
Preparing polyethylene into grass fiber, and preparing polyurethane into hot melt powder
Weaving grass fiber on the base fabric, arranging the hot melt powder at the bottom of the base fabric, heating and compounding, and fixing the grass fiber to obtain the artificial turf.
Comparative example 3
(1) Preparing degradable resin master batch: taking 75 parts of a copolymer of butanediol adipate and butanediol terephthalate, 10 parts of polylactic acid, 0.4 part of a chain extender, 0.2 part of an anti-hydrolysis agent, 0.5 part of a coupling agent and 15 parts of 2000-mesh talcum powder, uniformly stirring, extruding and granulating, wherein the extrusion temperature is 160 ℃, and preparing degradable resin master batches;
(2) preparing artificial turf grass fiber:
a. taking 90 parts of degradable resin master batch, 5 parts of anti-aging master batch, 1 part of functional master batch and 4 parts of fully-degradable master batch, uniformly stirring, and placing the mixture in a single-screw extruder for wire drawing, wherein the extrusion temperature is 190 ℃ to prepare a grass fiber raw material;
b. drafting the grass fiber raw material by 5 times and retracting by 0.8, and covering yarn to prepare grass fiber;
(3) preparing an artificial lawn:
a. preparing degradable resin hot-melt powder:
grinding the prepared degradable resin master batch to prepare powder with the particle size of 500 meshes to prepare powder A;
performing plasma treatment on the powder A, adding the powder A into a toluene solution of terephthaloyl chloride in a nitrogen atmosphere, reacting for 6 hours at the temperature of 40 ℃, filtering, cleaning and drying to obtain powder B;
taking succinic acid, butanediol and hexamethylenediamine, adding dibutyl tin dilaurate, heating and melting in argon atmosphere, slowly heating to 180 ℃, reacting for 8h, reducing the pressure to-0.1 MPa, heating to 230 ℃, reacting for 5h, and cooling to obtain a prepolymer;
taking the prepolymer, adding cresol, triethylamine and toluene diisocyanate into the prepolymer in a nitrogen atmosphere, heating the prepolymer to 125 ℃, adding the powder B into the prepolymer, reacting the mixture for 4.5 hours, cleaning the mixture, and drying the mixture to obtain degradable resin hot-melt powder;
b. preparing an artificial lawn:
weaving grass fibers on the base fabric, arranging the degradable resin hot-melt powder at the bottom of the base fabric, heating and compounding, and fixing the grass fibers to obtain the artificial turf.
Experiment of
Taking the artificial turf obtained in the examples 1-5 and the comparative examples 1-3, preparing samples with equal mass, respectively detecting the single-cluster pull-out force and the degradation performance of the samples, and recording the detection results:
wherein, the degradation performance experiment is carried out under the condition of laboratory compost, the test sample is degraded for 180 days, and the degradation rate is calculated by taking ASTM D6400 as the test standard to be used as the degradation performance of the test sample;
and measuring the glass transition temperature of the hot-melt powder and grass fiber blending material, wherein if the glass transition temperatures of the blending materials are close to each other, the compatibility is better, if a plurality of obvious glass transition temperatures are present, the compatibility is indicated, and if one glass transition temperature is present, the compatibility is indicated.
From the data in the table above, it is clear that the following conclusions can be drawn:
the artificial turf obtained in examples 1 to 5 was compared with the artificial turf obtained in comparative examples 1 to 3, and the results of the tests showed that:
1. compared with the artificial turf obtained in the comparative example 2, the artificial turf obtained in the examples 1 to 5 does not use degradable components in the comparative example 2, the degradation rate is obviously improved in the examples 1 to 5, and the glass transition temperatures are close to each other, which fully shows that the invention can improve the compatibility of the prepared artificial turf and reduce the recycling difficulty while ensuring the degradation performance;
2. compared with the artificial turf obtained in the example 1-2 and the artificial turf obtained in the example 3-5, the arrangement of the hot-melt powder is different, compared with the artificial turf obtained in the example 1-2, the single-cluster pulling-out force data in the example 3-5 changes relatively slowly before and after degradation, and the limit of the glass transition temperature is not obvious, so that the treatment on the hot-melt powder can improve the continuous pulling-resistant performance of the artificial turf obtained in the invention;
3. compared with the artificial turf obtained in the comparative example 1, the artificial turf obtained in the embodiment 2 has the advantages that the adhesive material used in the comparative example 1 is different, the single-cluster pull-out force before and after degradation changes relatively slowly, but the degradation rate is low, and the arrangement of the hot-melt powder can ensure the degradation performance of the artificial turf and improve the continuous pull-out resistance of the artificial turf;
4. compared with the artificial turf obtained in the comparative example 3, the artificial turf obtained in the example 4 is not added with the components 1, 2-pentanediol and 3, 5-diamino-1, 2, 4-triazole in the comparative example 3, and each experimental data is relatively poorer, so that the addition of the 1, 2-pentanediol and the 3, 5-diamino-1, 2, 4-triazole in the artificial turf is helpful for improving the continuous anti-pulling performance of the artificial turf obtained in the invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process method article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process method article or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A preparation process of degradable grass fibers for artificial lawns is characterized by comprising the following steps:
(1) preparing degradable resin master batch: uniformly stirring the material components of the degradable resin master batch, and extruding and granulating to prepare the degradable resin master batch;
(2) preparing artificial turf grass fiber:
a. uniformly mixing the material components of the grass fiber, and extruding and drawing to obtain a grass fiber raw material, wherein the material components of the grass fiber contain degradable resin master batches;
b. drafting the above grass fiber raw materials to obtain grass fiber.
2. The process for preparing the degradable grass fiber for the artificial lawn according to claim 1, wherein: the extrusion temperature in the step (1) is 100-220 ℃, the extrusion temperature in the extrusion process in the step (2) is 140-240 ℃, the drafting multiple in the drafting process is 3-6 times, and the retraction multiple is 0.6-0.9 times.
3. The process for preparing the degradable grass fiber for the artificial lawn according to claim 1, wherein: the material of the grass fiber comprises the following components in parts by weight: 0-90 parts of polyethylene or polypropylene, 0-90 parts of degradable resin master batch, 0-10 parts of compatilizer, 2-8 parts of color master batch, 1-5 parts of anti-aging master batch and 0-2 parts of functional master batch.
4. The process of claim 3, wherein the degradable grass fiber is prepared by the following steps: the degradable resin master batch comprises resin, inorganic particles and an auxiliary agent; the resin is one or more of polylactic acid, polyglycolic acid, polycaprolactone, polybutylene succinate, polybutylene terephthalate, copolymer of polybutylene succinate/adipate, polybutylene adipate and polybutylene terephthalate, the inorganic particles are one or more of calcium carbonate, wollastonite and talcum powder, and the auxiliary agent is one or more of a coupling agent, a compatilizer, a chain extender and an anti-hydrolysis agent.
5. The process of claim 4, wherein the degradable grass fiber is prepared by the following steps: the compatilizer is one of maleic anhydride, citric acid, maleic anhydride/citric acid grafted polyethylene and maleic anhydride/citric acid grafted polyolefin elastomer, and the anti-aging master batch is an antioxidant and a light stabilizer.
6. The process of claim 5, wherein the degradable grass fiber is prepared by the following steps: the antioxidant is antioxidant 1010 and antioxidant 168, and the light stabilizer is light stabilizer 944, light stabilizer 2020 and light stabilizer XT-55.
7. The process of claim 5, wherein the degradable grass fiber is prepared by the following steps: the functional master batch is one or more of polyphthalamide, erucamide, polysiloxane, antistatic agent and antibacterial agent.
8. A degradable grass fiber for artificial turf obtained by the manufacturing process according to any one of claims 1 to 7.
9. An artificial lawn prepared by the artificial grass fiber of claims 1-7, characterized in that: the method comprises the following steps:
grinding the prepared degradable resin master batch into powder to prepare degradable resin hot-melt powder;
weaving grass fibers on the base fabric, arranging the degradable resin hot-melt powder at the bottom of the base fabric, heating and compounding, and fixing the grass fibers to obtain the artificial turf.
10. An artificial lawn according to claim 9, wherein: the method comprises the following steps:
a. preparing degradable resin hot-melt powder:
grinding the prepared degradable resin master batch into powder to prepare powder A;
carrying out plasma treatment on the powder A, adding the powder A into a toluene solution of terephthaloyl chloride in a nitrogen atmosphere, reacting for 5-7 h at the temperature of 30-50 ℃, filtering, cleaning and drying to obtain powder B;
taking succinic acid, butanediol, hexamethylenediamine, 1, 2-pentanediol and 3, 5-diamino-1, 2, 4-triazole, adding dibutyl tin dilaurate, heating to melt in an argon atmosphere, slowly heating to 175-184 ℃, reacting for 7-9 h, reducing the pressure to-0.2-0.1 MPa, heating to 227-235 ℃, reacting for 5-6 h, and cooling to obtain a prepolymer;
taking the prepolymer, adding cresol, triethylamine and toluene diisocyanate into the prepolymer in a nitrogen atmosphere, heating the prepolymer to 120-130 ℃, adding the powder B into the prepolymer, reacting for 4-5 hours, cleaning and drying to obtain degradable resin hot-melt powder;
b. preparing an artificial lawn:
weaving grass fibers on the base fabric, arranging the degradable resin hot-melt powder at the bottom of the base fabric, heating and compounding, and fixing the grass fibers to obtain the artificial turf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110286215.4A CN113026143B (en) | 2021-03-17 | 2021-03-17 | Degradable grass fiber for artificial lawn and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110286215.4A CN113026143B (en) | 2021-03-17 | 2021-03-17 | Degradable grass fiber for artificial lawn and preparation process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113026143A true CN113026143A (en) | 2021-06-25 |
| CN113026143B CN113026143B (en) | 2023-04-18 |
Family
ID=76471291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110286215.4A Active CN113026143B (en) | 2021-03-17 | 2021-03-17 | Degradable grass fiber for artificial lawn and preparation process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113026143B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368297A (en) * | 2007-08-15 | 2009-02-18 | 东丽纤维研究所（中国）有限公司 | High hydrolysis resistance, high friction resistance polylactic acid fibre and preparation method |
| CN102746629A (en) * | 2012-07-25 | 2012-10-24 | 广州保亮得塑料科技有限公司 | Degradable masterbatch and preparation method thereof |
| CN102797073A (en) * | 2012-08-14 | 2012-11-28 | 青岛青禾人造草坪有限公司 | Degradable artificial grass filaments and preparation method |
| CN102808368A (en) * | 2012-08-14 | 2012-12-05 | 青岛青禾人造草坪有限公司 | Artificial turf capable of being fully recycled and manufacturing method thereof |
| CN109322002A (en) * | 2018-10-10 | 2019-02-12 | 无锡沛莱斯纺织有限公司 | A kind of biodegradable polyesters fabric and preparation method thereof |
| CN110938881A (en) * | 2019-11-20 | 2020-03-31 | 浙江佳人新材料有限公司 | Production process of recyclable degradable fiber |
| CN111235682A (en) * | 2020-04-16 | 2020-06-05 | 博聚(上海)生态科技有限公司 | Production process of rapidly biodegradable porous polyester fiber |
| CN111235688A (en) * | 2020-03-19 | 2020-06-05 | 苏州市佩发刺绣工艺品有限公司 | Biodegradable polyester fiber and preparation method thereof |
| CN112458828A (en) * | 2020-11-09 | 2021-03-09 | 江苏文明人造草坪有限公司 | High-extraction-force artificial turf and preparation process thereof |
-
2021
- 2021-03-17 CN CN202110286215.4A patent/CN113026143B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368297A (en) * | 2007-08-15 | 2009-02-18 | 东丽纤维研究所（中国）有限公司 | High hydrolysis resistance, high friction resistance polylactic acid fibre and preparation method |
| CN102746629A (en) * | 2012-07-25 | 2012-10-24 | 广州保亮得塑料科技有限公司 | Degradable masterbatch and preparation method thereof |
| CN102797073A (en) * | 2012-08-14 | 2012-11-28 | 青岛青禾人造草坪有限公司 | Degradable artificial grass filaments and preparation method |
| CN102808368A (en) * | 2012-08-14 | 2012-12-05 | 青岛青禾人造草坪有限公司 | Artificial turf capable of being fully recycled and manufacturing method thereof |
| CN109322002A (en) * | 2018-10-10 | 2019-02-12 | 无锡沛莱斯纺织有限公司 | A kind of biodegradable polyesters fabric and preparation method thereof |
| CN110938881A (en) * | 2019-11-20 | 2020-03-31 | 浙江佳人新材料有限公司 | Production process of recyclable degradable fiber |
| CN111235688A (en) * | 2020-03-19 | 2020-06-05 | 苏州市佩发刺绣工艺品有限公司 | Biodegradable polyester fiber and preparation method thereof |
| CN111235682A (en) * | 2020-04-16 | 2020-06-05 | 博聚(上海)生态科技有限公司 | Production process of rapidly biodegradable porous polyester fiber |
| CN112458828A (en) * | 2020-11-09 | 2021-03-09 | 江苏文明人造草坪有限公司 | High-extraction-force artificial turf and preparation process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113026143B (en) | 2023-04-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5536781A (en) | Process for the preparation of plastics containing thermoplastic polyurethanes | |
| TWI334873B (en) | Heat resistant high moisture vapor transmission thermoplastic polyurethane | |
| CN101198648B (en) | Isocyanate-containing thermoplastic polyurethane | |
| CN108641662A (en) | A kind of low softening point Waterproof Breathable TPU hot melt adhesive and preparation method thereof | |
| CN106592016B (en) | A kind of preparation method of on-run polyurethane elastomeric fiber | |
| CN111423837B (en) | TPU hot melt adhesive and preparation method thereof | |
| CN112358844B (en) | Never-yellowing TPU (thermoplastic polyurethane) film glue for coating and preparation method and application thereof | |
| EP3594287A1 (en) | Resin for thermoplastic polyurethane yarn using nano-silica, and method for manufacturing thermoplastic polyurethane yarn by using same | |
| CN109180891A (en) | Polyurethane hot melt of high bond strength and preparation method thereof | |
| CN105482058A (en) | Biodegradable polyurethane elastomer and preparation method thereof | |
| CN113026143B (en) | Degradable grass fiber for artificial lawn and preparation process thereof | |
| CN109267179A (en) | A kind of novel elastic composite fiber material and preparation method thereof | |
| CN114410091A (en) | High-temperature-resistant impact-resistant high-strength modified polylactic acid material and preparation method thereof | |
| CN111269555B (en) | Thermoplastic polyurethane elastomer composition and preparation method thereof | |
| EP1158011B1 (en) | Process for making Polyurethane moulded products | |
| CN109251307A (en) | Polyester polyol and preparation method thereof and polyurethane hot melt and preparation method thereof | |
| CN111718461B (en) | Thermoplastic polyurethane elastic fiber and preparation method thereof | |
| JPH04293956A (en) | Reclaimed high-molecular thermoplastic resin and method of reclaiming it | |
| CN109456458A (en) | Polyether ester type TPU and preparation method thereof for footwear material | |
| CN113861369A (en) | Low-melting-point high-viscosity high-strength thermoplastic polyurethane elastomer material and preparation method thereof | |
| CN114149559A (en) | High-strength and high-elongation thermoplastic polyurethane material and preparation method and application thereof | |
| CN110922746A (en) | TPU plastic particle processing technology for improving peeling and watermark phenomena | |
| CN110105519B (en) | Particle for hot melt adhesive film and preparation method thereof | |
| CN110229499A (en) | The manufacturing method of overall plastic wire rod and overall plastic wire rod | |
| KR102063247B1 (en) | Manufacturing method of hotmelt film having low melting point using thermoplastic polyurethane resin having low melting point with excellent stretching property |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |