CN111235685A - High-performance artificial grass filaments and preparation method thereof - Google Patents
High-performance artificial grass filaments and preparation method thereof Download PDFInfo
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- CN111235685A CN111235685A CN202010160676.2A CN202010160676A CN111235685A CN 111235685 A CN111235685 A CN 111235685A CN 202010160676 A CN202010160676 A CN 202010160676A CN 111235685 A CN111235685 A CN 111235685A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- 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
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- 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
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- 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
- D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained by reactions only involving carbon-to-carbon unsaturated bonds as constituent
-
- 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
- D01F8/16—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds as constituent
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
- E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a high-performance artificial grass filament, which is prepared from the following raw materials in parts by weight: 100 parts of polypropylene, 10-30 parts of powdered sulfonated polystyrene, 1-10 parts of powdered polybenzimidazole, 0.5-2 parts of white oil, 0.5-2 parts of polyethylene wax and 5-20 parts of filler. The high-performance artificial turf yarn disclosed by the invention is high in strength, good in weather resistance, good in impact resistance and has a certain flame retardant property.
Description
Technical Field
The invention belongs to the technical field of polymers, and particularly relates to high-performance artificial grass filaments and a preparation method thereof.
Background
With the development of society, the use amount of artificial turf is increasing. Among them, the artificial grass filaments are the most core material of the artificial turf, and the performance of the artificial grass filaments directly determines the quality of the artificial turf. However, the existing artificial grass filaments are generally prepared based on polypropylene, have low strength, poor weather resistance and poor impact resistance, and have no flame retardant effect, so that the technical innovation of the artificial turf is greatly inhibited.
In view of the above, it is necessary to upgrade the formula based on polypropylene to prepare a novel artificial grass filament with high strength, good weather resistance, good impact resistance and certain flame retardant property.
Disclosure of Invention
In order to solve the above problems, an aspect of the present invention provides a high-performance artificial grass filament prepared from raw materials including:
100 parts of polypropylene, 10-30 parts of powdered sulfonated polystyrene, 1-10 parts of powdered polybenzimidazole, 0.5-2 parts of white oil, 0.5-2 parts of polyethylene wax and 5-20 parts of filler.
Preferably, the high-performance artificial grass filaments are prepared from the following raw materials:
100 parts by weight of polypropylene, 25 parts by weight of powdered sulfonated polystyrene, 7 parts by weight of powdered polybenzimidazole, 0.8 part by weight of white oil, 1 part by weight of polyethylene wax and 15 parts by weight of filler.
In one embodiment, the weight average molecular weight of the polypropylene resin is 200000-; preferably 500000.
In one embodiment, the weight average molecular weight of the powdered sulfonated polystyrene is 200000-400000; preferably 300000.
In one embodiment, the degree of sulfonation of the powdered sulfonated polystyrene ranges from 5% to 25%; preferably 10% -20%; more preferably 15%.
In one embodiment, the powdered sulfonated polystyrene has an average particle size of 5 to 10 microns; preferably 6-9 microns; more preferably 8 microns.
In one embodiment, the weight average molecular weight of the powdered polybenzimidazole is 50000-200000; preferably 80000.
In one embodiment, the powdered polybenzimidazole has an average particle size of 1 to 10 microns; preferably 2-8 microns; more preferably 3 microns.
In one embodiment, the filler is selected from at least one of silica, hydroxyapatite and boron nitride; preferably, the filler is a mixture of silica, hydroxyapatite and boron nitride; more preferably, the filler is a mixture of silica, hydroxyapatite and boron nitride in a weight ratio of 1: 2: 2, or a mixture thereof.
In one embodiment, the average particle size of the silica, hydroxyapatite and boron nitride is 50 to 100 nanometers, 300 nanometers to 1 micrometer and 1 micrometer to 3 micrometers, respectively; preferably, the average particle sizes of the silica, hydroxyapatite and boron nitride are 70 nm, 500 nm and 2 μm, respectively.
In a preferred embodiment, the high-performance artificial grass filaments are prepared from raw materials further comprising: 10-20 parts by weight of a solvent, wherein the solvent is dimethyl sulfoxide and ethanol in a weight ratio of 1: 1.
The invention also provides a preparation method of the high-performance artificial grass filaments, which comprises the following steps:
(1) drying the material in a dryer at 120 ℃ for 5-10 hours, preferably 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Compared with the prior art, the invention has the beneficial effects that:
(1) the powdery sulfonated polystyrene is introduced to improve the rigidity and tensile strength of the system and improve the weather resistance;
(2) powdery polybenzimidazole is introduced to improve the impact resistance, flame retardance and weather resistance of the system;
(3) the more perfect microstructure can be obtained by the synergistic action among various fillers, so that the strength and the weather resistance of the system are further improved;
(4) the use of the mixed solvent can improve the compatibility of the system and obtain a more perfect micro-phase structure;
(5) through a large number of experiments, the molecular weight, the particle size and the weight ratio of each component in the system are optimized, the synergistic effect is unexpectedly obtained, and the artificial grass filaments with good comprehensive performance are obtained.
Detailed Description
Raw materials:
different grades of sulfonated polystyrene were purchased from the avadin reagent and ground to the desired average particle size using a grinder.
Different molecular weight polybenzimidazoles were purchased from CELAZOLE and milled using a mill to the desired average particle size.
Other materials were purchased from western field reagents.
The specific raw material numbers are as follows:
a1: polypropylene with weight average molecular weight of 200000
A2: polypropylene, weight average molecular weight 700000
A3: polypropylene with weight average molecular weight of 500000
B1: sulfonated polystyrene powder with sulfonation degree of 5%, weight average molecular weight of 200000 and average particle diameter of 5 μm
B2: sulfonated polystyrene powder with sulfonation degree of 25%, weight average molecular weight of 200000 and average particle diameter of 5 μm
B3: sulfonated polystyrene powder with sulfonation degree of 15%, weight average molecular weight of 200000 and average particle diameter of 5 microns
B4: sulfonated polystyrene powder, with sulfonation degree of 15%, weight average molecular weight of 400000, and average particle diameter of 5 μm
B5: sulfonated polystyrene powder, sulfonation degree of 15%, weight average molecular weight of 300000, and average particle diameter of 5 μm
B6: sulfonated polystyrene powder, sulfonation degree of 15%, weight average molecular weight of 300000, and average particle diameter of 10 μm
B7: sulfonated polystyrene powder, sulfonation degree of 15%, weight average molecular weight of 300000, and average particle diameter of 8 μm
B8: powdery polystyrene with weight average molecular weight of 200000 and average particle diameter of 5 μm
C1: polybenzimidazole powder with weight average molecular weight of 50000 and average particle size of 1 micron
C2: polybenzimidazole powder with weight average molecular weight of 200000 and average particle size of 1 μm
C3: polybenzimidazole powder, weight average molecular weight 80000, average particle size 1 micron
C4: polybenzimidazole powder, weight average molecular weight 80000, average particle size 10 microns
C5: polybenzimidazole powder, weight average molecular weight 80000, average particle size 3 microns
D1: white oil
E1: polyethylene wax
F1: silicon dioxide, average particle size 70 nm
F2: the weight ratio of the silicon dioxide to the hydroxyapatite is 1: 4, wherein the silica and hydroxyapatite have average particle diameters of 70 nm and 500 nm, respectively
F3: the mixture of silicon dioxide, hydroxyapatite and boron nitride is mixed according to the weight ratio of 1: 2: 2, wherein the silica, hydroxyapatite and boron nitride have average particle diameters of 70 nm, 500 nm and 800 nm, respectively
F4: the mixture of silicon dioxide, hydroxyapatite and boron nitride is mixed according to the weight ratio of 1: 2: 2, wherein the silica, hydroxyapatite and boron nitride have average particle sizes of 70 nanometers, 500 nanometers and 2 micrometers, respectively
G1: dimethyl sulfoxide
G2: ethanol
G3: dimethyl sulfoxide and ethanol in a weight ratio of 1: 1 of a mixture of
Example 1
(1) Drying 100 parts by weight of A1, 10 parts by weight of B1, 1 part by weight of C1, 0.5 part by weight of D1, 0.5 part by weight of E1 and 5 parts by weight of F1 in a dryer at 120 ℃ for 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Example 2
(1) Drying 100 parts by weight of A1, 25 parts by weight of B1, 7 parts by weight of C1, 0.8 part by weight of D1, 1 part by weight of E1 and 15 parts by weight of F1 in a dryer at 120 ℃ for 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Example 3
(1) Drying 100 parts by weight of A2, 25 parts by weight of B1, 7 parts by weight of C1, 0.8 part by weight of D1, 1 part by weight of E1 and 15 parts by weight of F1 in a dryer at 120 ℃ for 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Example 4
(1) Drying 100 parts by weight of A3, 25 parts by weight of B1, 7 parts by weight of C1, 0.8 part by weight of D1, 1 part by weight of E1 and 15 parts by weight of F1 in a dryer at 120 ℃ for 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Example 5
(1) Drying 100 parts by weight of A3, 25 parts by weight of B2, 7 parts by weight of C1, 0.8 part by weight of D1, 1 part by weight of E1 and 15 parts by weight of F1 in a dryer at 120 ℃ for 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Example 6
(1) Drying 100 parts by weight of A3, 25 parts by weight of B3, 7 parts by weight of C1, 0.8 part by weight of D1, 1 part by weight of E1 and 15 parts by weight of F1 in a dryer at 120 ℃ for 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Example 7
(1) Drying 100 parts by weight of A3, 25 parts by weight of B4, 7 parts by weight of C1, 0.8 part by weight of D1, 1 part by weight of E1 and 15 parts by weight of F1 in a dryer at 120 ℃ for 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Example 8
(1) Drying 100 parts by weight of A3, 25 parts by weight of B5, 7 parts by weight of C1, 0.8 part by weight of D1, 1 part by weight of E1 and 15 parts by weight of F1 in a dryer at 120 ℃ for 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Example 9
(1) Drying 100 parts by weight of A3, 25 parts by weight of B6, 7 parts by weight of C1, 0.8 part by weight of D1, 1 part by weight of E1 and 15 parts by weight of F1 in a dryer at 120 ℃ for 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Example 10
(1) Drying 100 parts by weight of A3, 25 parts by weight of B7, 7 parts by weight of C1, 0.8 part by weight of D1, 1 part by weight of E1 and 15 parts by weight of F1 in a dryer at 120 ℃ for 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Example 11
(1) Drying 100 parts by weight of A3, 25 parts by weight of B7, 7 parts by weight of C2, 0.8 part by weight of D1, 1 part by weight of E1 and 15 parts by weight of F1 in a dryer at 120 ℃ for 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Example 12
(1) Drying 100 parts by weight of A3, 25 parts by weight of B7, 7 parts by weight of C3, 0.8 part by weight of D1, 1 part by weight of E1 and 15 parts by weight of F1 in a dryer at 120 ℃ for 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Example 13
(1) Drying 100 parts by weight of A3, 25 parts by weight of B7, 7 parts by weight of C4, 0.8 part by weight of D1, 1 part by weight of E1 and 15 parts by weight of F1 in a dryer at 120 ℃ for 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Example 14
(1) Drying 100 parts by weight of A3, 25 parts by weight of B7, 7 parts by weight of C5, 0.8 part by weight of D1, 1 part by weight of E1 and 15 parts by weight of F1 in a dryer at 120 ℃ for 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Example 15
(1) Drying 100 parts by weight of A3, 25 parts by weight of B7, 7 parts by weight of C5, 0.8 part by weight of D1, 1 part by weight of E1 and 15 parts by weight of F2 in a dryer at 120 ℃ for 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Example 16
(1) Drying 100 parts by weight of A3, 25 parts by weight of B7, 7 parts by weight of C5, 0.8 part by weight of D1, 1 part by weight of E1 and 15 parts by weight of F3 in a dryer at 120 ℃ for 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Example 17
(1) Drying 100 parts by weight of A3, 25 parts by weight of B7, 7 parts by weight of C5, 0.8 part by weight of D1, 1 part by weight of E1 and 15 parts by weight of F4 in a dryer at 120 ℃ for 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Example 18
(1) Drying 100 parts by weight of A3, 25 parts by weight of B7, 7 parts by weight of C5, 0.8 part by weight of D1, 1 part by weight of E1, 15 parts by weight of F4 and 10 parts by weight of G1 in a dryer at 120 ℃ for 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Example 19
(1) Drying 100 parts by weight of A3, 25 parts by weight of B7, 7 parts by weight of C5, 0.8 part by weight of D1, 1 part by weight of E1, 15 parts by weight of F4 and 10 parts by weight of G2 in a dryer at 120 ℃ for 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Example 20
(1) Drying 100 parts by weight of A3, 25 parts by weight of B7, 7 parts by weight of C5, 0.8 part by weight of D1, 1 part by weight of E1, 15 parts by weight of F4 and 10 parts by weight of G3 in a dryer at 120 ℃ for 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Comparative example 1
(1) Drying 100 parts by weight of A3, 25 parts by weight of B8, 7 parts by weight of C1, 0.8 part by weight of D1, 1 part by weight of E1 and 15 parts by weight of F1 in a dryer at 120 ℃ for 6 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
Testing
The performance of the high-performance artificial grass filaments of examples 1 to 20 and comparative example 1 was measured, and the test results are shown in table 1.
Wherein the evaluation standard of weather resistance is as follows: the artificial grass filaments are soaked in a sodium hydroxide aqueous solution with the mass fraction of 5% and tested for strength retention rate after 48 hours at 50 ℃, and the performance is better when the retention rate is higher.
TABLE 1
Claims (10)
1. The high-performance artificial grass filaments are characterized by comprising the following preparation raw materials:
100 parts of polypropylene, 10-30 parts of powdered sulfonated polystyrene, 1-10 parts of powdered polybenzimidazole, 0.5-2 parts of white oil, 0.5-2 parts of polyethylene wax and 5-20 parts of filler.
2. The high-performance artificial grass filament according to claim 1, characterized in that it is prepared from raw materials comprising:
100 parts by weight of polypropylene, 25 parts by weight of powdered sulfonated polystyrene, 7 parts by weight of powdered polybenzimidazole, 0.8 part by weight of white oil, 1 part by weight of polyethylene wax and 15 parts by weight of filler.
3. The high-performance artificial grass filament as claimed in claim 1, wherein the weight-average molecular weight of the polypropylene resin is 200000-700000; preferably 500000.
4. The high-performance artificial grass filament as claimed in claim 1, wherein the weight-average molecular weight of the powdery sulfonated polystyrene is 200000-400000; preferably 300000.
5. The high-performance artificial grass filament according to claim 1, wherein the degree of sulfonation of the powdery sulfonated polystyrene is 5% to 25%; preferably 10% -20%; more preferably 15%.
6. The high performance artificial grass filament of claim 1, wherein the powdered sulfonated polystyrene has an average particle size of 5 to 10 microns; preferably 6-9 microns; more preferably 8 microns.
7. The high-performance artificial grass filament as claimed in claim 1, wherein the weight-average molecular weight of the powdery polybenzimidazole is 50000-200000; preferably 80000.
8. The high performance artificial grass according to claim 1, wherein said powdered polybenzimidazole has an average particle size of 1 to 10 microns; preferably 2-8 microns; more preferably 3 microns.
9. The high performance artificial grass according to claim 1, wherein the filler is selected from at least one of silica, hydroxyapatite and boron nitride; preferably, the filler is a mixture of silica, hydroxyapatite and boron nitride.
10. The preparation method of the high-performance artificial grass filaments is characterized by comprising the following steps:
(1) drying the material of any one of claims 1-9 in a dryer at 120 ℃ for 5-10 hours;
(2) and (2) adding the dried material obtained in the step (1) into a screw extruder, and spinning and winding at the melting temperature of 195 ℃ and the stretching ratio of 3 to obtain the high-performance artificial turf.
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