CN110924267B - Flame-retardant artificial lawn and manufacturing method thereof - Google Patents

Flame-retardant artificial lawn and manufacturing method thereof Download PDF

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Publication number
CN110924267B
CN110924267B CN201911122987.3A CN201911122987A CN110924267B CN 110924267 B CN110924267 B CN 110924267B CN 201911122987 A CN201911122987 A CN 201911122987A CN 110924267 B CN110924267 B CN 110924267B
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flame
parts
retardant
master batch
lawn
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CN110924267A (en
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钱瑜
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Jiangsu Wmgrass Co ltd
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Jiangsu Wmgrass Co ltd
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    • 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
    • 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
    • C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
    • C09J175/04—Polyurethanes
    • C09J175/08—Polyurethanes from polyethers
    • 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
    • D01F1/07—Addition of substances to the spinning solution or to the melt for making fire- or flame-proof filaments
    • 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
    • D01F1/106—Radiation shielding agents, e.g. absorbing, reflecting agents
    • 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
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
    • 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
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/90—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyamides
    • 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
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2217—Oxides; Hydroxides of metals of magnesium
    • C08K2003/2224—Magnesium hydroxide
    • 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
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • 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
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2262—Oxides; Hydroxides of metals of manganese
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
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Abstract

The invention relates to a flame-retardant artificial lawn, which is prepared by weaving artificial grass fiber to the front side of lawn base fabric, coating glue on the back side of the lawn base fabric, and finally drying and curing, wherein the artificial grass fiber is prepared from matrix resin, flame-retardant master batches, color master batches, anti-aging master batches and PPA master batches, and the raw materials of the flame-retardant master batches comprise the matrix resin, ammonium polyphosphate, red phosphorus, a carbonizing agent, a synergist, a compatilizer (PE-g-Mah), NOR-116 and the like. The lawn base fabric is PP base fabric or PP base fabric added with flame-retardant master batch. The artificial grass fiber comprises straight filaments and curved filaments in any proportion. The application discloses a formula of a flame-retardant artificial lawn and a method for manufacturing the artificial lawn according to the formula.

Description

Flame-retardant artificial lawn and manufacturing method thereof
Technical Field
The invention relates to an artificial lawn, in particular to artificial grass fiber and glue of the artificial lawn.
Background
The artificial lawn is an artificial product which is obtained by weaving green polymer fibers on a bottom layer and is similar to a natural lawn in vision. The artificial lawn has the advantages of convenient management, convenient updating, long service cycle and low maintenance cost, and compared with a natural lawn, the artificial lawn has obvious advantages.
The artificial lawn belongs to a ship product, but has a wide market in China, and is widely applied to landscape belts, garden decoration, campus lawns, park lawns, building interior decoration and the like. At present, the manufacturing technology of the domestic artificial turf in China is continuously developed.
The invention discloses an artificial lawn with antibacterial and mildew-proof properties, which comprises a combination of antibacterial and mildew-proof artificial filaments, a base fabric and antibacterial and mildew-proof latex, and is mainly characterized in that the artificial lawn plastic filaments and the bottom surface have antibacterial and mildew-proof properties, the antibacterial rate of the artificial lawn plastic filaments to staphylococcus aureus, escherichia coli, white streptococcus and the like can reach 99% in the antibacterial aspect, the mildew-proof grade to aspergillus flavus, aspergillus niger, penicillium, rhizopus and the like can reach more than 1 grade in the mildew-proof aspect, and the antibacterial and mildew-proof agent can further improve the tensile strength and the heat resistance of the artificial filaments and a glue film.
Patent document No. CN109735913A discloses a flame retardant composition and a preparation method thereof, artificial grass filaments, artificial turf gum and artificial turf. The flame-retardant composition comprises the following components in parts by weight: 10-30 parts of a nitrogen-containing flame retardant, 40-60 parts of a bromine-containing flame retardant, 5-10 parts of an auxiliary flame retardant A and 1-3 parts of an auxiliary flame retardant B, wherein the nitrogen-containing flame retardant is melamine cyanurate, the bromine-containing flame retardant is any one of decabromodiphenylethane, octabromoether and ethylene bistetrabromophthalimide, the auxiliary flame retardant A is antimony trioxide or sodium antimonide, and the auxiliary flame retardant B is 2, 3-dimethyl-2, 3-diphenylbutane. The flame-retardant composition disclosed by the invention is good in flame-retardant effect, can achieve the effect of self-extinguishing when being away from fire when being used for flame-retardant of artificial grass filaments, and enables the artificial grass filaments to keep good ageing resistance and mechanical property.
Patent document No. CN110055859A discloses an artificial turf having abrasion-resistant and flame-retardant properties; the components of the composite material comprise color master batches, additives, basic resin, magnesium hydroxide, ultra-high-component polyethylene, polycarbonate and organic phosphate; the ultra-high molecular weight polyethylene is a high molecular compound, has ultra-high wear resistance and self-lubricating property, high strength, stable chemical property and strong anti-aging performance, and can enhance the wear resistance of the artificial lawn when added into the artificial lawn; the magnesium hydroxide releases bound water when heated and decomposes, absorbs a large amount of latent heat, can lower the surface temperature of the synthetic material filled with the magnesium hydroxide in the flame, and has the effects of inhibiting the decomposition of polymers and cooling the generated combustible gas. The magnesium oxide generated by decomposition is a good refractory material, and can also help to improve the fire resistance of the synthetic material, and the water vapor emitted by the magnesium oxide can also be used as a smoke suppressant.
Compared with natural lawns, one of the most important properties of artificial lawns is to have good flame retardant properties to prevent the occurrence and spread of fire. At present, the artificial turf belongs to HDPE, PP and the like which are organic high polymer materials composed of carbon and hydrogen, and the molecular structure of HDPE is very similar to that of paraffin, so that the artificial turf is very easy to burn and is easy to cause fire accidents. Plastics used in many sectors have long been in foreign countries with clear requirements for flame retardancy and established standards for combustion and legal specifications. Therefore, the quality of the flame retardancy has become an important assessment item for the artificial turf. The development of flame-retardant artificial turf also becomes an important research topic for domestic artificial turf production enterprises.
Disclosure of Invention
The invention aims to provide a flame-retardant artificial lawn and a manufacturing method thereof.
The technical scheme adopted by the invention for solving the problems is as follows: the flame-retardant artificial lawn is formed by weaving artificial grass fibers on the front side of a lawn base fabric, coating glue on the back side of the lawn base fabric, and finally drying and curing, wherein the artificial grass fibers comprise the following raw materials in parts by mass:
Figure BDA0002275955150000021
the glue is polyurethane glue, and comprises the following raw materials in parts by mass:
the component A comprises:
Figure BDA0002275955150000022
and B component:
10-30 parts of isocyanate.
The matrix resin is polyethylene PE, polypropylene PP or PA plastic. Wherein the PE is one or two of LLDPE and HDPE.
Preferably, the charring agent is a triazine derivative, and is a halogenated triazine, including brominated triazine and chlorinated triazine.
Preferably, the synergist is ZnO or Sb2O3. The synergist and the halogenated triazine have synergistic effect, and the flame retardant effect is obviously improved. The halogenated triazine is easy to dehalogenate, namely the halogen is dissociated at high temperature, and the halogenated triazine has a flame retardant effect; with ZnO, Sb2O3When used together, form SbOX and SbX3、ZnX2Both belong to substances with higher boiling points and volatile substances, which can promote the movement of halogen and the generation of carbide, the halotriazine is easy to dehalogenate, and the residual elements after dehalogenation can be quickly carbonized to produce better flame retardant effect. Further, SbOX and SbX were formed3、ZnX2Can capture the water vapor in the gas phase, and all contribute to improving the flame retardant effect.
Preferably, the compatibilizer is PE-g-Mah. The PE molecules are nonpolar molecules and cannot be well compatible with most flame retardants, and in order to improve the compatibility of the resin matrix to additives, PE-g-Mah is added.
Preferably, the PPA master batch is PPA fluorine-containing processing master batch, and is used for improving the processing performance of the polymer and facilitating extrusion and wire drawing.
Preferably, the anti-aging master batch is one or more of an antioxidant, a light stabilizer and an ultraviolet light absorber; wherein the light stabilizer is an acid-resistant light stabilizer and is selected from one or more of XT100, XT55 and claine N30 of Basff, and the addition amount of the light stabilizer accounts for 4-10 per mill of the artificial grass fiber.
Polyurethane glue is applied to the back of the lawn substrate, which is also typically a polymer of PE or PP, and it is therefore necessary to improve the fire resistance of the lawn substrate as well.
Preferably, the A component of the polyurethane glue also contains MnO2，MnO2The content of (B) is 0.01-2% of the total weight of aluminum hydroxide and magnesium hydroxide. MnO2The catalyst is used for promoting the decomposition of aluminum hydroxide, the flame retardant principle of the aluminum hydroxide is that the aluminum hydroxide is decomposed by heat absorption at high temperature, and the products are water and oxides, so that the aluminum hydroxide has a good smoke suppression function. And MnO2It is helpful to promote the crystallization of alumina, thus promoting the thermal decomposition of aluminum hydroxide and improving the flame retardance of the base fabric.
Preferably, the filler is a porous mineral and is selected from one or a mixture of more of zeolite, diatomite, sepiolite, kaolin, ferrosilicon-containing tailings and attapulgite, the filler is mixed with coal powder according to the mass ratio of (3-5) to 1 before the component A is added, the calcining temperature is higher than 800 ℃, and the mixture is added into the component A after the calcining. The filler is mixed in the glue and coated on the back of the base fabric, the filler is a porous structure calcined together with the coal powder, in the calcining process, the coal powder burns fillers in the original porous structure of the filler to expose a pore structure, the surface area is increased, smoke and heat are absorbed during combustion, and carbonized substances generated at high temperature of the lawn base fabric and lawn fibers are firmly adsorbed to form a more compact and stable carbon layer, so that the flame retardant effect is enhanced.
The manufacturing method of the flame-retardant artificial lawn comprises the following steps:
(1) preparing straight yarns: preparing all raw materials according to a proportion, uniformly mixing 5-10 parts of matrix resin, ammonium polyphosphate, a carbonizing agent, red phosphorus, a synergist and a compatilizer in a stirrer, and feeding the mixture into an extruder for extrusion and granulation to obtain a flame-retardant master batch; feeding the flame-retardant master batch, the rest matrix resin, the master batch, the anti-aging master batch and the PPA master batch into an extruder for wire drawing to obtain flame-retardant artificial grass fiber straight yarns;
(2) preparing the bent silk: preparing all raw materials in proportion, uniformly mixing 5-10 parts of matrix resin, ammonium polyphosphate, a carbonizing agent, red phosphorus, a synergist and a compatilizer in a stirrer, and feeding the mixture into an extruder for extrusion and granulation to obtain a flame-retardant master batch; sending the flame-retardant master batch, the rest matrix resin, the master batch, the anti-aging master batch and the PPA master batch into an extruder for wire drawing, blowing the drawn wire into an air deformation pipe at 210 ℃ to obtain the flame-retardant artificial grass fiber curved wire;
(3) weaving the artificial grass fiber straight filaments and the artificial grass fiber curved filaments to the front side of the lawn base fabric in any proportion; and uniformly mixing the raw materials of the component A and the component B in the polyurethane glue according to the proportion, coating the mixture on the back of the artificial lawn, and drying the mixture in an oven to obtain the flame-retardant artificial lawn.
Compared with the prior art, the invention has the advantages that: in the artificial turf fiber of this application, APP can form the expanded carbon matter layer at the high temperature, plays thermal-insulated, oxygen-insulated flame retardant action, and phosphorus is oxidation and absorption moisture under the high temperature, can generate phosphoric acid, metaphosphoric acid, poly metaphosphoric acid etc. can play catalytic action again to the formation of coke. The addition of the carbonizing agent further accelerates the formation of coke, and the addition of the zinc oxide has an obvious embrittlement effect on esterification and char formation reactions, so that more residual carbon is promoted to be generated, and a stable carbon layer is formed.
Detailed Description
The present invention will be described in further detail with reference to examples. The following described embodiments are exemplary and are intended to be illustrative of the invention and are not to be construed as limiting the invention.
The flame-retardant artificial turf of the present invention comprises: flame-retardant artificial grass fiber, flame-retardant polyurethane glue and base fabric.
Base fabric: PP base fabric or PP base fabric added with flame-retardant master batches, wherein the flame-retardant master batches are adopted by the artificial grass fiber.
The flame-retardant artificial grass fiber comprises one or two of straight filaments and curved filaments.
The straight filaments are PE straight filaments, and the flame retardant comprises APP (ammonium polyphosphate), red phosphorus, a carbonizing agent (triazine derivatives: bromotriazine and chlorotriazine) and a synergist (ZnO and Sb)2O3) One or more of compatilizer (PE-g-Mah) and NOR-116 (nitrogen alkoxy hindered amine stabilizer).
The curved filament is PE polyethylene or PP polypropylene or PA plastic curved filament, and the flame retardant comprises APP (ammonium polyphosphate), red phosphorus, a carbonizing agent (triazine derivatives: bromotriazine and chlorotriazine), and a synergist (ZnO and Sb)2O3) One or more of a compatilizer (PE-g-Mah) and a nitrogen alkoxy hindered amine stabilizer (NOR-116).
The polyurethane glue is prepared by adding powder obtained by calcining sepiolite, kaolin, tailings containing silicon and iron and coal powder for 12 hours at 1130 ℃ according to the weight ratio of 1.7:5.3:0.7:2.1 into the component A of the polyurethane glue.
Example 1:
a flame-retardant artificial lawn which comprises a lawn body,
straightening:
LLDPE 46 parts
Flame-retardant master batch 1
Color master batch 4 parts
4 portions of anti-aging master batch
PPA master batch 2 parts
Bending the silk:
Figure BDA0002275955150000051
polyurethane glue:
the component A comprises:
Figure BDA0002275955150000052
and B component: isocyanate 20 parts
Wherein the catalyst is dibutyltin dilaurate which is used as a catalyst for crosslinking and curing of the component A and the component B.
Uniformly mixing 10 parts of LLDPE, 8 parts of APP, 15 parts of carbonizing agent, 2 parts of zinc oxide, 5 parts of compatilizer and 4 parts of NOR-1164 by using a high-speed mixer, and carrying out double-screw extrusion granulation at a set temperature of 180 ℃ to obtain the flame-retardant master batch 1. And uniformly mixing the straight filament formula in proportion, and drawing the mixture by a single-screw extruder at 220 ℃ to obtain the flame-retardant artificial grass fiber straight filament.
Uniformly mixing 10 parts of PP (polypropylene), 5 parts of APP (APP), 12 parts of carbonizing agent, 2 parts of zinc oxide and 2 parts of NOR-1161 parts by using a high-speed mixer, and carrying out double-screw extrusion granulation at a set temperature of 180 ℃ to obtain the flame-retardant master batch 2. And uniformly mixing the bent filament according to the formula proportion, drawing the mixture by a single-screw extruder at 230 ℃, and deforming the mixture by an air deformation tube at 210 ℃ to obtain the flame-retardant artificial grass fiber bent filament.
Weaving the artificial grass fiber, the straight yarn and the curved yarn on a PP base fabric through a tufting machine according to a free ratio, uniformly mixing the components of the polyurethane glue A, B according to a formula ratio through a back glue line, and coating the mixture on the back of the artificial lawn, wherein the temperature of an oven is set to be 120 ℃. And obtaining the flame-retardant artificial turf.
Example 2:
straightening:
LLDPE 46 parts
Flame-retardant master batch 3
Color master batch 4 parts
4 portions of anti-aging master batch
PPA master batch 1.5 parts
Bending the silk:
LLDPE 31 parts
HDPE 30 parts
Flame-retardant master batch 4
3 parts of color master batch
4 portions of anti-aging master batch
PPA master batch 1 part
Polyurethane glue:
Figure BDA0002275955150000061
wherein the catalyst is dibutyltin dilaurate which is used as a catalyst for crosslinking and curing of the component A and the component B.
And B component: isocyanate 16 parts
Uniformly mixing 5 parts of LLDPE, 5 parts of APP, 12 parts of carbonizing agent, 10 parts of red phosphorus, 2.0 parts of zinc oxide, 1.0 part of antimony oxide, 8 parts of compatilizer and 2 parts of NOR-1162 by using a high-speed mixer, and carrying out double-screw extrusion granulation at a set temperature of 180 ℃ to obtain the flame-retardant master batch 3.
And uniformly mixing the straight filament formula in proportion, and drawing the mixture by a single-screw extruder at 220 ℃ to obtain the flame-retardant artificial grass fiber straight filament.
Uniformly mixing 10 parts of LLDPE, 3 parts of APP, 8 parts of carbonizing agent, 8 parts of red phosphorus, 1 part of zinc oxide and 1 part of NOR-1161 part by using a high-speed mixer, and carrying out double-screw extrusion granulation at a set temperature of 180 ℃ to obtain the flame-retardant master batch 4.
And uniformly mixing the bent filament according to the formula proportion, drawing the mixture by using a single-screw extruder at 230 ℃, and deforming the mixture by using an air deformation tube at 200 ℃ to obtain the flame-retardant artificial grass fiber bent filament.
The artificial grass fiber is woven on PP base cloth through a tufting machine, the polyurethane glue A, B components are uniformly mixed according to the formula proportion through a glue backing line and then coated on the back of the artificial turf, and the temperature of an oven is set to be 120 ℃. And obtaining the flame-retardant artificial turf.
Example 3:
straightening:
LLDPE 37 parts
Flame-retardant master batch 5
Color master batch 4 parts
4 portions of anti-aging master batch
PPA master batch 3 parts
Bending the silk:
PA 66 portion
Flame-retardant master batch 6
3 parts of color master batch
3 parts of anti-aging master batch
PPA master batch 1 part
Polyurethane glue:
Figure BDA0002275955150000071
wherein the catalyst is dibutyltin dilaurate which is used as a catalyst for crosslinking and curing of the component A and the component B.
And B component: isocyanate 24 parts
Uniformly mixing 5 parts of LLDPE, 12 parts of APP, 25 parts of carbonizing agent, 2 parts of red phosphorus, 2 parts of zinc oxide, 1 part of antimony oxide, 5 parts of compatilizer and 1 part of NOR-1161 part by using a high-speed mixer, and carrying out double-screw extrusion granulation at a set temperature of 180 ℃ to obtain the flame-retardant master batch 5.
And uniformly mixing the straight filament formula in proportion, and drawing the mixture by a single-screw extruder at 220 ℃ to obtain the flame-retardant artificial grass fiber straight filament.
Uniformly mixing the components by using a high-speed mixer according to the proportion of 10 parts of PA, 4 parts of APP, 10 parts of carbonizing agent, 2 parts of zinc oxide and NOR-1161 parts, and carrying out double-screw extrusion granulation at the set temperature of 240 ℃ to obtain the flame-retardant master batch 6.
And uniformly mixing the bent filament formula in proportion, drawing the mixture by a single-screw extruder at 260 ℃, and deforming the mixture by an air deformation tube at 280 ℃ to obtain the flame-retardant artificial grass fiber bent filament.
Weaving the artificial grass fiber on a PP base fabric through a tufting machine, uniformly mixing the components of the polyurethane glue A, B according to the formula ratio through a glue line, and coating the mixture on the back of the artificial turf, wherein the temperature of an oven is set to be 120 ℃. And obtaining the flame-retardant artificial turf.
And (3) testing the flame retardant property:
taking the lawn of the embodiment 1-3, cutting a lawn sample with the area of 10cm multiplied by 10cm together with the base fabric, respectively and continuously burning the front, the back and the edge of the sample by open fire, and extinguishing the lawn without spraying flame, without spreading the fire and without leaving the fire, thereby having good flame retardant effect.
Although preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The flame-retardant artificial lawn is formed by weaving artificial grass fibers on the front side of lawn base fabric, coating glue on the back side of the lawn base fabric, and finally drying and curing, and is characterized in that:
the artificial grass fiber comprises the following raw materials in parts by mass:
30-80 parts of matrix resin,
0-15 parts of ammonium polyphosphate,
0 to 25 portions of charring agent,
0-20 parts of red phosphorus,
1-3 parts of synergist,
3-10 parts of compatilizer,
NOR-1161-6 parts,
3-5 parts of color master batch,
3-6 parts of anti-aging master batch,
0.5-5 parts of PPA master batch;
the carbonizing agent is a triazine derivative, is halogenated triazine and comprises brominated triazine and chlorinated triazine;
the synergist is ZnO or Sb2O3。
The glue is polyurethane glue, and comprises the following raw materials in parts by mass:
the component A comprises:
10-25 parts of polyether polyol,
20-78 parts of aluminum hydroxide andor magnesium hydroxide,
0-50 parts of calcium carbonate,
2-15 parts of TCPP,
1 part of curing catalyst,
16-40 parts of a filler,
and B component:
10-30 parts of isocyanate.
2. The flame-retardant artificial lawn according to claim 1, wherein: the matrix resin is polyethylene, polypropylene or PA plastic.
3. The flame-retardant artificial lawn according to claim 1, wherein: the compatilizer is PE-g-Mah.
4. The flame-retardant artificial lawn according to claim 1, wherein: the anti-aging master batch is one or more of an antioxidant, a light stabilizer and an ultraviolet light absorber; wherein the light stabilizer is an acid-resistant light stabilizer and is selected from one or more of XT100, XT55 and claine N30 of Basff, and the addition amount of the light stabilizer accounts for 4-10 per mill of the artificial grass fiber.
5. The flame-retardant artificial lawn according to claim 1, wherein: the A component of the polyurethane glue also contains MnO2，MnO2The content of (B) is 0.01-2% of the total weight of aluminum hydroxide and magnesium hydroxide.
6. The flame-retardant artificial lawn according to claim 1, wherein: the filler is porous mineral and is selected from one or a mixture of more of zeolite, diatomite, sepiolite, kaolin, ferrosilicon-containing tailings and attapulgite, the filler is mixed with coal powder according to the mass ratio of (3-5) to 1 before the component A is added, the calcining temperature is higher than 800 ℃, and the calcined filler is added into the component A.
7. The method for manufacturing the flame-retardant artificial lawn according to any one of claims 1 to 6, wherein: preparing all raw materials according to a proportion, uniformly mixing 5-10 parts of matrix resin, ammonium polyphosphate, a carbonizing agent, red phosphorus, a synergist and a compatilizer in a stirrer, and feeding the mixture into an extruder for extrusion and granulation to obtain a flame-retardant master batch; feeding the flame-retardant master batch, the rest matrix resin, the master batch, the anti-aging master batch and the PPA master batch into an extruder for wire drawing to obtain flame-retardant artificial grass fiber straight yarns;
preparing all raw materials in proportion, uniformly mixing 5-10 parts of matrix resin, ammonium polyphosphate, a carbonizing agent, red phosphorus, a synergist and a compatilizer in a stirrer, and feeding the mixture into an extruder for extrusion and granulation to obtain a flame-retardant master batch; sending the flame-retardant master batch, the rest matrix resin, the master batch, the anti-aging master batch and the PPA master batch into an extruder for wire drawing, blowing the drawn wire into an air deformation pipe at 210 ℃ to obtain the flame-retardant artificial grass fiber curved wire;
weaving the artificial grass fiber straight filaments and the artificial grass fiber curved filaments to the front side of the lawn base fabric in any proportion; and uniformly mixing the raw materials of the component A and the component B in the polyurethane glue according to the proportion, coating the mixture on the back of the artificial lawn, and drying the mixture in an oven to obtain the flame-retardant artificial lawn.
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JP2000303257A (en) * 1999-04-14 2000-10-31 Unitika Ltd Yarns for flame-retardant artificial lawn and flame- retardant artificial lawn
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CN101885859B (en) * 2009-05-11 2014-10-08 中国科学院化学研究所 Flame retardant microcapsule and application thereof
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