CN106496911B - Artificial grass wear-resistant functional master batch, and preparation method and application thereof - Google Patents
Artificial grass wear-resistant functional master batch, and preparation method and application thereof Download PDFInfo
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- CN106496911B CN106496911B CN201611122446.7A CN201611122446A CN106496911B CN 106496911 B CN106496911 B CN 106496911B CN 201611122446 A CN201611122446 A CN 201611122446A CN 106496911 B CN106496911 B CN 106496911B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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Abstract
本发明属于新材料技术领域，具体涉及一种人造草丝耐磨功能母粒及其制备方法，本发明所述母粒由接枝料和催化剂料两部分组成，接枝料按质量份计包括以下组分：聚乙烯树脂70‑99份，引发剂引发剂0.01‑10份，硅烷偶联剂1‑10份抗氧剂0.01‑10份，催化剂料按质量份计包括以下组分：聚乙烯树脂80‑99份，催化剂0.1‑10份，抗氧剂0.1‑10份。采用二步法，先制备接枝料和催化剂料，再将接枝料料和催化剂料按一定比例经螺杆挤出机造粒，在一定温度水浴中浸泡一定时间，干燥即得耐磨功能母粒。将本发明制备的耐磨功能母粒，加入到草丝基体中，可显著增强草丝纤维的耐磨性能、强度、抗撕裂性能、耐疲劳性能等。The invention belongs to the technical field of new materials, and in particular relates to an artificial grass silk wear-resistant functional master batch and a preparation method thereof. The master batch of the invention is composed of a graft material and a catalyst material, and the graft material comprises by mass parts The following components: 70-99 parts of polyethylene resin, 0.01-10 parts of initiator initiator, 1-10 parts of silane coupling agent and 0.01-10 parts of antioxidant, the catalyst material includes the following components in parts by mass: polyethylene Resin 80-99 parts, catalyst 0.1-10 parts, antioxidant 0.1-10 parts. Using a two-step method, firstly prepare the graft material and catalyst material, then granulate the graft material and catalyst material in a certain proportion by a screw extruder, soak in a water bath at a certain temperature for a certain period of time, and dry to obtain a wear-resistant functional mother grain. By adding the wear-resistant functional masterbatch prepared by the invention into the grass silk matrix, the wear resistance, strength, tear resistance, fatigue resistance and the like of the grass fiber can be significantly enhanced.
Description
Technical Field
The invention relates to the technical field of new materials, in particular to an artificial grass functional master batch, and a preparation method and application thereof.
Background
The artificial turf fiber is the core material of the artificial sports turf, and the performance of the artificial turf fiber determines the mechanical performance, the sports safety performance and the sports comfort performance of the sports turf. At present, the main material of the artificial grass filament fiber is polymer, and the artificial grass filament fiber has excellent physical and chemical properties, low surface hardness, low bearing capacity and the like, is easy to wear under the high-strength frequency use condition, has the phenomena of grass filament splitting, tearing and the like, is easy to cause danger, and is not beneficial to the development of major competitions. Therefore, the abrasion resistance has become one of the most important indexes for evaluating the quality of the artificial turf, and is a prerequisite for ensuring the safety and quality stability of the artificial sports turf.
Based on the research of the wear-resistant performance of the artificial grass filaments, the method mainly focuses on modification of grass filament raw materials and change of shapes of the grass filaments, for example, in patent applications CN101476174A and CN102493011A, inorganic rigid particles are added to improve the strength of the grass filaments, but the inorganic rigid particles are seriously agglomerated, so that the inorganic rigid particles are unevenly dispersed in matrix resin, the wear rate of the grass filaments is increased, and the wear-resistant performance and the stability of the sports lawn are greatly reduced. And patent application CN105019333A is through making the grass silk into the S-shaped, and area of contact increases, plays the effect of buffering dispersion pressure to a certain extent, nevertheless because area of contact is big, the grass silk surface is more smooth to lead to coefficient of friction little, and the sportsman easily slips at the motion process, consequently, is unfavorable for developing of motion, has reduced the security performance on lawn.
Disclosure of Invention
Therefore, the invention provides an artificial grass filament abrasion-resistant functional master batch, and the artificial grass filament manufactured by the master batch is abrasion-resistant and anti-skid. Meanwhile, a preparation method of the master batch is provided, and in addition, the application of the master batch is also provided.
The technical scheme of the invention is that the artificial grass silk wear-resistant functional master batch comprises 80-99 parts by weight of grafting material and 1-20 parts by weight of catalyst material;
the grafting material comprises the following components in parts by mass:
polyethylene resin: 70 to 99 portions of
Initiator: 0.01-10 parts
Silane coupling agent: 1-10 parts of
Antioxidant: 0.01-10 parts;
the catalyst material comprises the following components in parts by mass:
polyethylene resin: 80 to 99 portions of
Catalyst: 0.1 to 10 portions
Antioxidant: 0.1-10 parts.
According to the artificial grass wear-resistant functional master batch, preferably, the polyethylene resin is one or more of high-density polyethylene, low-density polyethylene and linear low-density polyethylene, and the melt index of the polyethylene is 0.3-30;
the initiator is one or more of α - α bis-tert-butylperoxy diisopropylbenzene, di-tert-butyl peroxide, dicumyl peroxide and benzoyl peroxide;
the silane coupling agent is one or more of vinyl trimethoxy silane, vinyl triethoxy silane, vinyl dimethyl ethoxy silane, tetra dimethyl vinyl silicon oxygen silane and dimethyl divinyl silane;
the antioxidant is one or more of hindered phenols, phosphites and thiodipropionic acid diester.
According to the artificial grass wear-resistant functional master batch, the catalyst preferably comprises one or more of dibutyl tin dilaurate, tin carboxylates, dibutyl tin maleate, di-n-octyl dilaurate, condensation catalysts consisting of organic acids and non-hygroscopic metal oxides, ester peroxides and non-hygroscopic metal oxides.
Further, the organic acid is selected from one of stearic acid and oxalic acid; the non-hygroscopic metal oxide is selected from one of zinc oxide and stannous oxide; the ester peroxide is selected from one of tert-butyl peroxy 3,5, 5-trimethyl hexyl ester and tert-butyl peroxyacetate; the non-hygroscopic metal oxide is selected from one of zinc oxide and stannous oxide.
The invention also provides a preparation method of the artificial grass silk wear-resistant functional master batch, which comprises the following steps:
(1) placing the polyethylene resin, the initiator, the silane coupling agent and the antioxidant in a high-speed mixer, uniformly mixing at room temperature, granulating the uniformly mixed material by a screw extruder, and drying to obtain a graft material;
(2) placing the polyethylene resin, the catalyst and the antioxidant in a high-speed mixer, uniformly mixing at room temperature, granulating the uniformly mixed material by a screw extruder, and drying to obtain a catalyst material;
(3) uniformly mixing 80-99 parts by weight of grafting material and 1-20 parts by weight of catalyst material, granulating by a screw extruder, soaking in water bath at 28-98 ℃ for 1-60h, and drying to obtain the artificial grass silk wear-resistant functional master batch.
According to the preparation method of the artificial grass silk wear-resistant functional master batch, preferably, in the step (3), the water bath temperature is 30-90 ℃; the soaking time is 2-48 h.
According to the preparation method of the artificial grass silk wear-resistant functional master batch, the drying temperature in the steps (1), (2) and (3) is preferably 50-100 ℃.
According to the preparation method of the artificial grass silk wear-resistant functional master batch, preferably, in the steps (1), (2) and (3), the drying time is 2-24 h.
According to the preparation method of the artificial grass wear-resistant functional master batch, preferably, in the steps (1) and (2), the room-temperature mixing time is 3-30 min; the screw machine is a double-screw extruder.
Further, the twin-screw is melted and extruded for granulation at 140-220 ℃.
The invention also provides the application of the artificial turf master batch in the field of artificial turf.
The wear-resistant functional master batch prepared by the invention is mainly used for artificial grass filaments and is added into a grass filament formula according to a certain proportion. The silane crosslinked polyethylene in the master batch enables the linear polyethylene to be crosslinked into an effective three-dimensional network structure, so that the movement of a molecular chain becomes difficult, and the wear resistance, the mechanical property and the ageing resistance of the material are improved.
The artificial grass silk substrate formula comprises the following components in parts by mass:
LLDPE resin: 50-95 parts
Color master batch: 2-15 parts of
Processing aid: 0.1 to 10 portions
Wear-resistant functional master batch: 1-30 parts of
The wear-resistant functional master batch is added in the formula of the artificial grass yarns, so that the wear-resistant performance of the artificial grass yarns is enhanced, the wear-resistant master batch is silane cross-linked LLDPE and has good compatibility with the artificial grass yarn matrix resin LLDPE, and the wear-resistant master batch is a partially cross-linked three-dimensional network three-dimensional structure, so that the strength of the grass yarns is improved, and the plastic deformation caused by repeated high-load friction is resisted.
The wear-resistant master batch for the artificial grass yarns is characterized by a friction coefficient and a wear loss, wherein the friction coefficient is 0.62-0.80, the wear loss range is 0.1-10, and the wear resistance of the material can be directly judged from the wear loss, so that the friction coefficient is increased, the friction force is increased, and the anti-skid property is improved.
The polyethylene molecules are long-chain linear structures or branched structures, have good processing flowability, but have insufficient hardness and poor creep resistance. Therefore, the artificial grass silk fiber has better flexibility and smoother surface. However, the artificial grass filaments have low surface hardness and poor bearing capacity, and are easy to generate plastic deformation and adhesive abrasion in the repeated friction process of heavy load. Therefore, the wear resistance of the material is poor.
The silane crosslinking forms new-Si-O-chemical bonds among polyethylene molecules, the formation of a three-dimensional network three-dimensional structure improves the deformation resistance and the plowing resistance of polyethylene, the softening and adhesion phenomena of the material are reduced due to local friction heat aggregation in the friction process, the wear resistance is improved, on one hand, the surface hardness of the material is improved, the surface roughness is improved, the friction coefficient is increased due to the partial crosslinking of the polyethylene, and a good anti-slip effect is achieved to a certain extent.
The artificial grass yarn wear-resistant functional master batch prepared by the invention takes the polyethylene resin as a matrix, has good compatibility with the artificial grass yarn matrix resin linear low-density polyethylene, and obviously improves the wear-resistant performance and the physical and mechanical properties of the grass yarn.
The master batch is introduced with-Si-O-group in polyethylene, and forms a three-dimensional network structure under certain conditions, so that the slippage of molecular chains is limited, the defect of insufficient creep is overcome, the wear resistance and the physical and mechanical properties of the artificial grass filaments are greatly improved by adding the master batch into a grass filament substrate formula, and the artificial grass filaments have no pollution to the environment and long service life.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments, which are provided for illustration only and are not intended to limit the scope of the present invention.
Example 1
An artificial grass wear-resistant functional master batch and a preparation method thereof, comprising the following steps:
the preparation of the artificial grass wear-resistant functional master batch grafting material comprises the following steps:
(1) calculated by mass portion
Linear low density polyethylene 97 parts
Dicumyl peroxide 0.2 part
3 parts of vinyl ethoxy silane
0.05 part of antioxidant;
(2) adding linear low-density polyethylene, dicumyl peroxide and vinyl ethoxysilane into a high-speed mixer, and mixing for 5min at normal temperature; adding the uniformly mixed materials into a double-screw extruder, and carrying out melt granulation, wherein the temperature of each section of the extruder is as follows: drying at 150 deg.C, 165 deg.C, 170 deg.C, 175 deg.C, 30r/min at 100 deg.C for 6h to obtain grafting material;
the preparation of the artificial grass wear-resistant functional master batch catalyst material comprises the following steps:
(1) calculated by mass portion
99 parts of linear low-density polyethylene
1 part of dibutyl tin dilaurate
0.2 part of antioxidant;
(2) placing linear low density polyethylene, dibutyl tin dilaurate and antioxidant in a high speed mixer, and mixing at room temperature for 5 min; adding the uniformly mixed materials into a double-screw extruder, and carrying out melt granulation, wherein the temperature of each section of the extruder is as follows: drying at 150 deg.C, 165 deg.C, 170 deg.C, 175 deg.C, 30r/min at 100 deg.C for 6h to obtain catalyst material;
the artificial grass wear-resistant functional master batch comprises 95 parts by mass of grafting material and 5 parts by mass of catalyst material, and is prepared by melting, mixing and granulating; placing the granules in a water bath with the temperature of 80 ℃ for 12h, taking out the granules and drying the granules at the temperature of 100 ℃ for 6h to obtain the wear-resistant functional master batch for artificial grass filaments.
Example 2
The preparation method comprises the steps of preparing 90 parts by mass of grafting material and 10 parts by mass of catalyst material, melting, mixing and granulating, placing the granules in a water bath at the temperature of 70 ℃ for 9 hours, taking out, and drying at the temperature of 100 ℃ for 6 hours to obtain the wear-resistant functional master batch for the artificial grass filaments.
Example 3
An artificial grass wear-resistant functional master batch and a preparation method thereof, comprising the following steps:
the preparation of the artificial grass wear-resistant functional master batch grafting material comprises the following steps:
(1) calculated by mass portion
95 parts of linear low-density polyethylene
Dicumyl peroxide 0.2 part
5 parts of vinyl ethoxy silane
0.05 part of antioxidant;
(2) adding linear low-density polyethylene, dicumyl peroxide and vinyl ethoxysilane into a high-speed mixer, and mixing for 5min at normal temperature; adding the uniformly mixed materials into a double-screw extruder, and carrying out melt granulation, wherein the temperature of each section of the extruder is as follows: drying at 150 deg.C, 165 deg.C, 170 deg.C, 175 deg.C, 30r/min at 100 deg.C for 6h to obtain grafting material;
the preparation of the artificial grass wear-resistant functional master batch catalyst material comprises the following steps:
(1) calculated by mass portion
98 portions of linear low density polyethylene
Dibutyl tin dilaurate 2 parts
0.2 part of antioxidant;
(2) placing linear low density polyethylene, dibutyl tin dilaurate and antioxidant in a high speed mixer, and mixing at room temperature for 5 min; adding the uniformly mixed materials into a double-screw extruder, and carrying out melt granulation, wherein the temperature of each section of the extruder is as follows: drying at 150 deg.C, 165 deg.C, 170 deg.C, 175 deg.C, 30r/min at 100 deg.C for 6h to obtain catalyst material;
the artificial grass wear-resistant functional master batch comprises 95 parts by mass of grafting material and 5 parts by mass of catalyst material, and is prepared by melting, mixing and granulating; placing the granules in a water bath with the temperature of 80 ℃ for 12h, taking out the granules and drying the granules at the temperature of 100 ℃ for 6h to obtain the wear-resistant functional master batch for artificial grass filaments.
Example 4
The preparation method comprises the steps of preparing 90 parts by mass of grafting material and 10 parts by mass of catalyst material, melting, mixing and granulating, placing the granules in a water bath at the temperature of 70 ℃ for 9 hours, taking out, and drying at the temperature of 100 ℃ for 6 hours to obtain the wear-resistant functional master batch for the artificial grass filaments.
And (3) performing mould pressing on the prepared wear-resistant master batch for 10min by using a flat vulcanizing machine at 15MPa to prepare a sample so as to be used for wear resistance detection. The test method comprises the following steps: the master batch is prepared into a sample with the size of 22 multiplied by 14 multiplied by 2mm, and then the friction coefficient and the abrasion loss (mass loss before and after abrasion) of the grinding wheel after rotating 2000 times under a certain load through a high-speed ring block abrasion tester are tested and expressed in unit g/kg.
Comparative example
Samples were prepared from the linear low density polyethylene resin according to the above method and were tested for coefficient of friction and wear.
The detection results are as follows
| Example 1 | Example 2 | Example 3 | Example 4 | Comparative example | |
| Coefficient of friction | 0.68 | 0.70 | 0.71 | 0.71 | 0.62 |
| Amount of wear | 3.26 | 0.51 | 0.32 | 0.48 | 25.29 |
Therefore, the invention has the advantages of obviously reduced abrasion loss compared with the comparative example, greatly enhanced wear resistance, increased friction coefficient compared with the comparative example and contribution to skid resistance.
The above-mentioned embodiments are only some of the embodiments of the present invention, and are not intended to limit the scope of the present invention, so that all equivalent changes or modifications made by the features and principles of the present invention as claimed should be included in the scope of the present invention.
Claims (9)
1. The utility model provides a wear-resisting function master batch of artificial grass silk which characterized in that: the master batch comprises 80-99 parts by weight of grafting material and 1-20 parts by weight of catalyst material;
the grafting material comprises the following components in parts by mass:
polyethylene resin: 70 to 99 portions of
Initiator: 0.01-10 parts
Silane coupling agent: 1-10 parts of
Antioxidant: 0.01-10 parts;
the initiator is one or more of α - α bis-tert-butylperoxy diisopropylbenzene, di-tert-butyl peroxide, dicumyl peroxide and benzoyl peroxide;
the silane coupling agent is one or more of vinyl trimethoxy silane, vinyl triethoxy silane, vinyl dimethyl ethoxy silane, tetra (dimethyl vinyl siloxy) silane and dimethyl divinyl silane;
the catalyst material comprises the following components in parts by mass:
polyethylene resin: 80 to 99 portions of
Catalyst: 0.1 to 10 portions
Antioxidant: 0.1-10 parts;
the catalyst comprises one or more of tin carboxylate, organic acid and condensation catalyst consisting of non-hygroscopic metal oxide, ester peroxide and non-hygroscopic metal oxide; the non-hygroscopic metal oxide is selected from one of zinc oxide and stannous oxide;
the preparation of the artificial grass wear-resistant functional master batch comprises the following steps:
(1) placing the polyethylene resin, the initiator, the silane coupling agent and the antioxidant in a high-speed mixer, uniformly mixing at room temperature, granulating the uniformly mixed material by a screw extruder, and drying to obtain a graft material;
(2) placing the polyethylene resin, the catalyst and the antioxidant in a high-speed mixer, uniformly mixing at room temperature, granulating the uniformly mixed material by a screw extruder, and drying to obtain a catalyst material;
(3) uniformly mixing 80-99 parts by weight of grafting material and 1-20 parts by weight of catalyst material, granulating by a screw extruder, soaking in water bath at 28-98 ℃ for 1-60h, and drying to obtain the artificial grass silk wear-resistant functional master batch.
2. The artificial grass wear-resistant functional master batch according to claim 1, characterized in that: the polyethylene resin is one or more of high-density polyethylene, low-density polyethylene and linear low-density polyethylene, and the melt index of the polyethylene is 0.3-30;
the antioxidant is one or more of hindered phenols, phosphites and thiodipropionic acid diester.
3. The artificial grass wear-resistant functional master batch according to claim 1, characterized in that: the organic acid is selected from one of stearic acid and oxalic acid; the tin carboxylate is selected from dibutyl tin dilaurate, dibutyl tin laurate maleate and di-n-octyl tin dilaurate; the ester peroxide is selected from one of tert-butyl peroxy 3,5, 5-trimethyl hexyl ester and tert-butyl peroxyacetate.
4. The preparation method of the artificial grass wear-resistant functional master batch of claim 1, which is characterized by comprising the following steps: the method comprises the following steps:
(1) placing the polyethylene resin, the initiator, the silane coupling agent and the antioxidant in a high-speed mixer, uniformly mixing at room temperature, granulating the uniformly mixed material by a screw extruder, and drying to obtain a graft material;
(2) placing the polyethylene resin, the catalyst and the antioxidant in a high-speed mixer, uniformly mixing at room temperature, granulating the uniformly mixed material by a screw extruder, and drying to obtain a catalyst material;
(3) uniformly mixing 80-99 parts by weight of grafting material and 1-20 parts by weight of catalyst material, granulating by a screw extruder, soaking in water bath at 28-98 ℃ for 1-60h, and drying to obtain the artificial grass silk wear-resistant functional master batch.
5. The preparation method of the artificial grass silk wear-resistant functional master batch according to claim 4, characterized in that: in the step (3), the water bath temperature is 30-90 ℃; the soaking time is 2-48 h.
6. The preparation method of the artificial grass wear-resistant functional master batch according to claim 5, characterized in that: in the steps (1), (2) and (3), the drying temperature is 50-100 ℃; in the steps (1), (2) and (3), the drying time is 2-24 h.
7. The preparation method of the artificial grass silk wear-resistant functional master batch according to claim 4, characterized in that: in the steps (1) and (2), the room-temperature mixing time is 3-30 min; the screw extruder is a double-screw extruder.
8. The preparation method of the artificial grass wear-resistant functional master batch according to claim 7, characterized in that: the double-screw extruder is subjected to melt extrusion granulation at the temperature of 140 ℃ and 220 ℃.
9. The use of the artificial grass filament abrasion-resistant functional master batch of claim 1 in the field of artificial grass filaments.
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| CN108976689A (en) * | 2018-07-30 | 2018-12-11 | 界首市鑫龙机械设备购销有限公司 | A kind of preparation method of the crosslinked with silicane wear-resistant masterbatch of treated basalt fiber-whisker reinforcement |
| CN108977916A (en) * | 2018-08-07 | 2018-12-11 | 江苏联创人造草坪股份有限公司 | A kind of high temperature resistant chinampa and preparation method thereof |
| CN110628124A (en) * | 2019-10-15 | 2019-12-31 | 江苏联创人造草坪股份有限公司 | Weather-resistant flame-retardant artificial grass filament and preparation method thereof |
| CN114133654A (en) * | 2021-12-17 | 2022-03-04 | 广州爱奇实业有限公司 | Polyethylene composition, preparation method and application thereof |
| CN117431661B (en) * | 2023-11-02 | 2024-06-14 | 河北赛恩塑业有限公司 | Suspension type spliced lawn |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1346588A (en) * | 1970-10-14 | 1974-02-13 | Dow Corning Ltd | Cross linked polyolefin sheets and films and the preparation thereof |
| CN102493011A (en) * | 2011-11-14 | 2012-06-13 | 泰山体育产业集团有限公司 | Wear-resistant artificial grass fiber |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1346588A (en) * | 1970-10-14 | 1974-02-13 | Dow Corning Ltd | Cross linked polyolefin sheets and films and the preparation thereof |
| CN102493011A (en) * | 2011-11-14 | 2012-06-13 | 泰山体育产业集团有限公司 | Wear-resistant artificial grass fiber |
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