CN113652030A - Elastic tray net material and preparation method thereof - Google Patents
Elastic tray net material and preparation method thereof Download PDFInfo
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- CN113652030A CN113652030A CN202110979936.3A CN202110979936A CN113652030A CN 113652030 A CN113652030 A CN 113652030A CN 202110979936 A CN202110979936 A CN 202110979936A CN 113652030 A CN113652030 A CN 113652030A
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- elastic
- modified polypropylene
- filler
- toluenesulfonamide
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- 239000000463 material Substances 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title abstract description 16
- -1 polypropylene Polymers 0.000 claims abstract description 64
- 239000004743 Polypropylene Substances 0.000 claims abstract description 56
- 229920001155 polypropylene Polymers 0.000 claims abstract description 56
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 39
- 239000000945 filler Substances 0.000 claims abstract description 32
- 239000002994 raw material Substances 0.000 claims abstract description 29
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 26
- DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical compound CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000012188 paraffin wax Substances 0.000 claims abstract description 26
- 229920001225 polyester resin Polymers 0.000 claims abstract description 26
- 239000004645 polyester resin Substances 0.000 claims abstract description 26
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 26
- LMYRWZFENFIFIT-UHFFFAOYSA-N toluene-4-sulfonamide Chemical compound CC1=CC=C(S(N)(=O)=O)C=C1 LMYRWZFENFIFIT-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000001069 triethyl citrate Substances 0.000 claims abstract description 26
- VMYFZRTXGLUXMZ-UHFFFAOYSA-N triethyl citrate Natural products CCOC(=O)C(O)(C(=O)OCC)C(=O)OCC VMYFZRTXGLUXMZ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 235000013769 triethyl citrate Nutrition 0.000 claims abstract description 26
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 39
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 38
- 238000002156 mixing Methods 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 24
- 239000003054 catalyst Substances 0.000 claims description 19
- 229910052763 palladium Inorganic materials 0.000 claims description 19
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 claims description 19
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 14
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 14
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 claims description 13
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 13
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 13
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims description 13
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 238000013329 compounding Methods 0.000 claims description 11
- 239000004258 Ethoxyquin Substances 0.000 claims description 7
- DECIPOUIJURFOJ-UHFFFAOYSA-N ethoxyquin Chemical compound N1C(C)(C)C=C(C)C2=CC(OCC)=CC=C21 DECIPOUIJURFOJ-UHFFFAOYSA-N 0.000 claims description 7
- 229940093500 ethoxyquin Drugs 0.000 claims description 7
- 235000019285 ethoxyquin Nutrition 0.000 claims description 7
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 claims description 7
- 229960001860 salicylate Drugs 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 7
- 229910000503 Na-aluminosilicate Inorganic materials 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 6
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 6
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000000429 sodium aluminium silicate Substances 0.000 claims description 6
- 235000012217 sodium aluminium silicate Nutrition 0.000 claims description 6
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 6
- ABKQFSYGIHQQLS-UHFFFAOYSA-J sodium tetrachloropalladate Chemical compound [Na+].[Na+].Cl[Pd+2](Cl)(Cl)Cl ABKQFSYGIHQQLS-UHFFFAOYSA-J 0.000 claims description 6
- 229910052882 wollastonite Inorganic materials 0.000 claims description 6
- 239000010456 wollastonite Substances 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000004806 packaging method and process Methods 0.000 abstract description 3
- 239000002861 polymer material Substances 0.000 abstract description 2
- 239000003822 epoxy resin Substances 0.000 description 7
- 229920000647 polyepoxide Polymers 0.000 description 7
- 239000010902 straw Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 3
- QBUKAFSEUHGMMX-MTJSOVHGSA-N (5z)-5-[[3-(1-hydroxyethyl)thiophen-2-yl]methylidene]-10-methoxy-2,2,4-trimethyl-1h-chromeno[3,4-f]quinolin-9-ol Chemical group C1=CC=2NC(C)(C)C=C(C)C=2C2=C1C=1C(OC)=C(O)C=CC=1O\C2=C/C=1SC=CC=1C(C)O QBUKAFSEUHGMMX-MTJSOVHGSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- LPIQUOYDBNQMRZ-UHFFFAOYSA-N cyclopentene Chemical compound C1CC=CC1 LPIQUOYDBNQMRZ-UHFFFAOYSA-N 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 101100449439 Drosophila melanogaster grass gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The invention belongs to the technical field of high polymer materials, in particular to an elastic tray net material and a preparation method thereof, and solves the problems that a polypropylene material for a packaging net in the prior art is insufficient in high-temperature rigidity, easy to become brittle at low temperature, poor in environmental resistance, easy to yellow and discolor and brittle when used outdoors, and incapable of resisting long-term load, and the like, and the elastic tray net material comprises the following raw materials: modified polypropylene, polyester resin, polyvinyl alcohol, filler, p-toluenesulfonamide, triethyl citrate, chlorinated paraffin and weather resistant agent. The raw materials of the invention are scientific and reasonable, the preparation method is simple, the preparation conditions are mild, the obtained elastic pallet net material has light weight, good elasticity, high mechanical strength, good wear resistance, corrosion resistance, high and low temperature resistance and environmental resistance, the elastic pallet net woven and manufactured by the elastic pallet net can be placed outdoors for long time for use, the service performance is stable, the service life is long, and the elastic pallet net is worth popularizing.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to an elastic pallet net material and a preparation method thereof.
Background
The elastic pallet net is a packing net mainly used for packing and is mainly used for binding straws, pasture and the like, and the main operation mode is that the straws or the pasture are placed in the elastic pallet net and then packed in rolls, so that the straws or the pasture can be transported and stored conveniently.
The existing packaging net mostly adopts polypropylene as a raw material, the polypropylene is a harmless, odorless and tasteless high-crystallization polymer, the polypropylene has good dielectric property and high-frequency insulating property, is not influenced by humidity, and has chemical resistance, heat resistance, high-strength mechanical property and good high-wear-resistance processing property. However, polypropylene has insufficient high-temperature rigidity, is easy to become brittle at low temperature, has poor environment resistance, is easy to yellow, discolor and crisp when used outdoors, and cannot resist long-term load.
Chinese patent CN111021112A discloses a recyclable grass binding rope convenient for binding and loosening, which is prepared from the following components in parts by weight: 40-60 parts of modified polypropylene, 10-20 parts of composite epoxy resin, 15-30 parts of rubber, 3-6 parts of plasticizer, 1-3 parts of foaming agent, 0.6-1.2 parts of stabilizer, 0.5-1.0 part of anti-aging agent and 0.6-0.8 part of corrosion inhibitor. The polypropylene obtained by copolymerization of the propylene monomer and the cyclopentene monomer is used as a main raw material, and the corrosion resistance, the ageing resistance and the stability of the straw bundling rope are improved by adding the epoxy resin, the stabilizer, the anti-aging agent and the anti-corrosion agent, so that the service life of the straw bundling rope is prolonged, and the straw bundling rope can be repeatedly used; the elastic property of the twine is achieved by adding rubber and plasticizer. The raw materials are directly mixed and melted and then extruded to obtain the plastic fiber, but the polypropylene has low surface activity and no polarity, and is difficult to be compatible with high polymers, reinforcing fibers, fillers and the like. Based on the above statement, the invention provides an elastic tray net material and a preparation method thereof.
Disclosure of Invention
The invention aims to solve the problems that a polypropylene material for a packaging net in the prior art is insufficient in high-temperature rigidity, easy to become brittle at low temperature, poor in environmental resistance, easy to yellow, discolor and crisp when used outdoors, and incapable of resisting long-term load, and the like, and provides an elastic tray net material and a preparation method thereof.
An elastic tray net material comprises 70-100 parts of modified polypropylene, 28-35 parts of polyester resin, 8-15 parts of polyvinyl alcohol, 20-30 parts of filler, 2-5 parts of p-toluenesulfonamide, 3-8 parts of triethyl citrate, 5-12 parts of chlorinated paraffin and 2-4 parts of weather resistant agent;
the modified polypropylene is prepared from the following raw materials in parts by weight: 50-70 parts of liquid propylene, 18-28 parts of hydroxyethyl methacrylate, 0.5-1 part of benzoyl peroxide, 0.1-0.3 part of palladium catalyst, 3-8 parts of o-hydroxybenzoic acid and 12-18 parts of N, N-dimethylformamide.
Preferably, the elastic tray web material comprises the following raw materials in parts by weight: 80-90 parts of modified polypropylene, 30-34 parts of polyester resin, 10-14 parts of polyvinyl alcohol, 22-28 parts of filler, 3-4 parts of p-toluenesulfonamide, 4-7 parts of triethyl citrate, 6-10 parts of chlorinated paraffin and 2.5-3.5 parts of weather resisting agent.
Preferably, the elastic tray web material comprises the following raw materials in parts by weight: 85 parts of modified polypropylene, 32 parts of polyester resin, 12 parts of polyvinyl alcohol, 25 parts of filler, 3.5 parts of p-toluenesulfonamide, 5.5 parts of triethyl citrate, 8 parts of chlorinated paraffin and 3 parts of weather resistant agent.
Preferably, the modified polypropylene is prepared by the following method: adding liquid propylene, hydroxyethyl methacrylate, benzoyl peroxide and N, N-dimethylformamide into a reactor together, stirring and mixing uniformly, controlling the reaction temperature in the reactor to be 65-75 ℃ and the reaction pressure to be 1.8-2.8MPa, adding ortho-hydroxybenzoic acid and a palladium catalyst, stirring for 5-10min, standing and reacting for 1-6h, and completely reacting to obtain the modified polypropylene.
Preferably, the palladium catalyst is prepared by mixing and compounding sodium tetrachloropalladate, lithium carbonate, yttrium oxide, sodium aluminosilicate and 20% hydrochloric acid aqueous solution in a mass ratio of 1-2:5-7:1-2:48-62: 14-18.
Preferably, the weather resisting agent is prepared by compounding salicylate, 6-bromoandrosterone and ethoxyquin in a mass ratio of 5-8:1-3: 1-3.
The invention also provides a preparation method of the elastic tray net material, which comprises the following steps:
s1, weighing the raw materials of modified polypropylene, polyester resin, polyvinyl alcohol, filler, p-toluenesulfonamide, triethyl citrate, chlorinated paraffin and weather resistant agent for later use;
s2, adding the modified polypropylene, the polyester resin and the polyvinyl alcohol into a high-speed mixer together, controlling the mixing rate to be 1800r/min, and premixing for 10-20min to obtain a mixture;
s3, sequentially adding the filler, the p-toluenesulfonamide and the triethyl citrate into the mixture obtained in the step S2, continuously mixing uniformly, and finally adding the chlorinated paraffin and the weather resistant agent to mix and mix uniformly to obtain the elastic tray net material.
The elastic tray net material provided by the invention has the following beneficial effects:
1. the invention selects modified polypropylene as main raw material, adds polyester resin to mix and mix under the action of polyvinyl alcohol, then adds filler, p-toluenesulfonamide and triethyl citrate to mix and mix, and finally adds chlorinated paraffin back-off weather resistant agent to mix and mix to prepare the needed elastic tray net material; the raw materials of the invention are scientific and reasonable, the preparation method is simple, the preparation conditions are mild, the obtained elastic pallet net material has light weight, good elasticity, high mechanical strength, good wear resistance, corrosion resistance, high and low temperature resistance and environmental resistance, the elastic pallet net woven and manufactured by the elastic pallet net can be placed outdoors for long time for use, the service performance is stable, the service life is long, and the elastic pallet net is worth popularizing.
2. The invention mixes liquid propylene, hydroxyethyl methacrylate, benzoyl peroxide and N, N-dimethylformamide, adds ortho-hydroxybenzoic acid and palladium catalyst to carry out catalytic reaction, and obtains modified polypropylene after complete reaction; according to the invention, by preparing the modified polypropylene, the blending property and compatibility of the modified polypropylene and other raw materials are greatly improved, and the performance stability of the prepared elastic tray net material is further obviously improved.
3. According to the invention, salicylate, 6-bromoandrosterone and ethoxyquin are selected to be compounded to prepare the weather-resistant agent, the obtained weather-resistant agent has good dispersibility and compatibility, the addition of the weather-resistant agent can obviously improve the light aging resistance, oxidation resistance, heat resistance and cold resistance of the elastic tray net material, and the comprehensive environmental resistance is greatly improved.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Example one
The modified polypropylene is prepared from the following raw materials in parts by weight: 50 parts of liquid propylene, 18 parts of hydroxyethyl methacrylate, 0.5 part of benzoyl peroxide, 0.1 part of palladium catalyst, 3 parts of o-hydroxybenzoic acid and 12 parts of N, N-dimethylformamide; the modified polypropylene is prepared by the following method: adding liquid propylene, hydroxyethyl methacrylate, benzoyl peroxide and N, N-dimethylformamide into a reactor together, stirring and mixing uniformly, controlling the reaction temperature in the reactor to be 65 ℃ and the reaction pressure to be 1.8MPa, adding ortho-hydroxybenzoic acid and a palladium catalyst, stirring for 5min, standing and reacting for 1h, and completely reacting to obtain modified polypropylene;
the palladium catalyst is prepared by mixing and compounding sodium tetrachloropalladate, lithium carbonate, yttrium oxide, sodium aluminosilicate and 20% hydrochloric acid aqueous solution in a mass ratio of 1:5:1:48: 14;
wherein, the filler is wollastonite powder coated by epoxy resin;
wherein the weather resisting agent is prepared by compounding salicylate, 6-bromoandrosterone and ethoxyquin in a mass ratio of 5:1: 1.
The invention also provides a preparation method of the elastic tray net material, which comprises the following steps:
s1, weighing the raw materials of modified polypropylene, polyester resin, polyvinyl alcohol, filler, p-toluenesulfonamide, triethyl citrate, chlorinated paraffin and weather resistant agent for later use;
s2, adding the modified polypropylene, the polyester resin and the polyvinyl alcohol into a high-speed mixer together, controlling the mixing speed to be 1000r/min, and premixing for 10min to obtain a mixture;
s3, sequentially adding the filler, the p-toluenesulfonamide and the triethyl citrate into the mixture obtained in the step S2, continuously mixing uniformly, and finally adding the chlorinated paraffin and the weather resistant agent to mix and mix uniformly to obtain the elastic tray net material.
Example two
The invention provides an elastic tray net material which comprises the following raw materials in parts by weight: 85 parts of modified polypropylene, 32 parts of polyester resin, 12 parts of polyvinyl alcohol, 25 parts of filler, 3.5 parts of p-toluenesulfonamide, 5.5 parts of triethyl citrate, 8 parts of chlorinated paraffin and 3 parts of weather resistant agent;
the modified polypropylene is prepared from the following raw materials in parts by weight: 60 parts of liquid propylene, 23 parts of hydroxyethyl methacrylate, 0.8 part of benzoyl peroxide, 0.2 part of palladium catalyst, 5 parts of o-hydroxybenzoic acid and 15 parts of N, N-dimethylformamide; the modified polypropylene is prepared by the following method: adding liquid propylene, hydroxyethyl methacrylate, benzoyl peroxide and N, N-dimethylformamide into a reactor together, stirring and mixing uniformly, controlling the reaction temperature in the reactor to be 70 ℃ and the reaction pressure to be 2.3Pa, adding ortho-hydroxybenzoic acid and a palladium catalyst, stirring for 8min, standing and reacting for 3h, and completely reacting to obtain modified polypropylene;
wherein the palladium catalyst is prepared by mixing and compounding sodium tetrachloropalladate, lithium carbonate, yttrium oxide, sodium aluminosilicate and 20% hydrochloric acid aqueous solution in a mass ratio of 1.5:6:1.5:55: 16;
wherein, the filler is wollastonite powder coated by epoxy resin;
wherein the weather resisting agent is prepared by compounding salicylate, 6-bromoandrosterone and ethoxyquin in a mass ratio of 6.5:2: 2.
The invention also provides a preparation method of the elastic tray net material, which comprises the following steps:
s1, weighing the raw materials of modified polypropylene, polyester resin, polyvinyl alcohol, filler, p-toluenesulfonamide, triethyl citrate, chlorinated paraffin and weather resistant agent for later use;
s2, adding the modified polypropylene, the polyester resin and the polyvinyl alcohol into a high-speed mixer together, controlling the mixing speed to 1400r/min, and premixing for 15min to obtain a mixture;
s3, sequentially adding the filler, the p-toluenesulfonamide and the triethyl citrate into the mixture obtained in the step S2, continuously mixing uniformly, and finally adding the chlorinated paraffin and the weather resistant agent to mix and mix uniformly to obtain the elastic tray net material.
EXAMPLE III
The invention provides an elastic tray net material which comprises the following raw materials in parts by weight: 100 parts of modified polypropylene, 35 parts of polyester resin, 15 parts of polyvinyl alcohol, 30 parts of filler, 5 parts of p-toluenesulfonamide, 8 parts of triethyl citrate, 12 parts of chlorinated paraffin and 4 parts of weather resistant agent;
the modified polypropylene is prepared from the following raw materials in parts by weight: 70 parts of liquid propylene, 28 parts of hydroxyethyl methacrylate, 1 part of benzoyl peroxide, 0.3 part of palladium catalyst, 8 parts of o-hydroxybenzoic acid and 18 parts of N, N-dimethylformamide; the modified polypropylene is prepared by the following method: adding liquid propylene, hydroxyethyl methacrylate, benzoyl peroxide and N, N-dimethylformamide into a reactor together, stirring and mixing uniformly, controlling the reaction temperature in the reactor to be 75 ℃ and the reaction pressure to be 2.8MPa, adding ortho-hydroxybenzoic acid and a palladium catalyst, stirring for 10min, standing and reacting for 6h, and completely reacting to obtain modified polypropylene;
wherein the palladium catalyst is prepared by mixing and compounding sodium tetrachloropalladate, lithium carbonate, yttrium oxide, sodium aluminosilicate and 20% hydrochloric acid aqueous solution in a mass ratio of 2:7:2:62: 18;
wherein, the filler is wollastonite powder coated by epoxy resin;
wherein the weather resisting agent is prepared by compounding salicylate, 6-bromoandrosterone and ethoxyquin in a mass ratio of 8:3: 3.
The invention also provides a preparation method of the elastic tray net material, which comprises the following steps:
s1, weighing the raw materials of modified polypropylene, polyester resin, polyvinyl alcohol, filler, p-toluenesulfonamide, triethyl citrate, chlorinated paraffin and weather resistant agent for later use;
s2, adding the modified polypropylene, the polyester resin and the polyvinyl alcohol into a high-speed mixer together, controlling the mixing speed to be 1800r/min, and premixing for 20min to obtain a mixture;
s3, sequentially adding the filler, the p-toluenesulfonamide and the triethyl citrate into the mixture obtained in the step S2, continuously mixing uniformly, and finally adding the chlorinated paraffin and the weather resistant agent to mix and mix uniformly to obtain the elastic tray net material.
Comparative example 1
The invention provides an elastic tray net material which comprises the following raw materials in parts by weight: 70 parts of polypropylene, 28 parts of polyester resin, 8 parts of polyvinyl alcohol, 20 parts of filler, 2 parts of p-toluenesulfonamide, 3 parts of triethyl citrate, 5 parts of chlorinated paraffin and 2 parts of weather resistant agent;
wherein, the filler is wollastonite powder coated by epoxy resin;
wherein the weather resisting agent is prepared by compounding salicylate, 6-bromoandrosterone and ethoxyquin in a mass ratio of 5:1: 1.
The invention also provides a preparation method of the elastic tray net material, which comprises the following steps:
s1, weighing raw materials including polypropylene, polyester resin, polyvinyl alcohol, a filler, p-toluenesulfonamide, triethyl citrate, chlorinated paraffin and a weather resisting agent for later use;
s2, adding the polypropylene, the polyester resin and the polyvinyl alcohol into a high-speed mixer together, controlling the mixing speed to be 1000r/min, and premixing for 10min to obtain a mixture;
s3, sequentially adding the filler, the p-toluenesulfonamide and the triethyl citrate into the mixture obtained in the step S2, continuously mixing uniformly, and finally adding the chlorinated paraffin and the weather resistant agent to mix and mix uniformly to obtain the elastic tray net material.
Comparative example No. two
The invention provides an elastic tray net material which comprises the following raw materials in parts by weight: 70 parts of modified polypropylene, 28 parts of polyester resin, 8 parts of polyvinyl alcohol, 20 parts of filler, 2 parts of p-toluenesulfonamide, 3 parts of triethyl citrate, 5 parts of chlorinated paraffin and 2 parts of weather resistant agent;
the modified polypropylene is prepared from the following raw materials in parts by weight: 50 parts of liquid propylene, 18 parts of hydroxyethyl methacrylate, 0.5 part of benzoyl peroxide, 0.1 part of palladium catalyst, 3 parts of o-hydroxybenzoic acid and 12 parts of N, N-dimethylformamide; the modified polypropylene is prepared by the following method: adding liquid propylene, hydroxyethyl methacrylate, benzoyl peroxide and N, N-dimethylformamide into a reactor together, stirring and mixing uniformly, controlling the reaction temperature in the reactor to be 65 ℃ and the reaction pressure to be 1.8MPa, adding ortho-hydroxybenzoic acid and a palladium catalyst, stirring for 5min, standing and reacting for 1h, and completely reacting to obtain modified polypropylene;
the palladium catalyst is prepared by mixing and compounding sodium tetrachloropalladate, lithium carbonate, yttrium oxide, sodium aluminosilicate and 20% hydrochloric acid aqueous solution in a mass ratio of 1:5:1:48: 14;
wherein, the filler is wollastonite powder coated by epoxy resin;
wherein the weather resisting agent is 6-bromoandrosterone.
The invention also provides a preparation method of the elastic tray net material, which comprises the following steps:
s1, weighing the raw materials of modified polypropylene, polyester resin, polyvinyl alcohol, filler, p-toluenesulfonamide, triethyl citrate, chlorinated paraffin and weather resistant agent for later use;
s2, adding the modified polypropylene, the polyester resin and the polyvinyl alcohol into a high-speed mixer together, controlling the mixing speed to be 1000r/min, and premixing for 10min to obtain a mixture;
s3, sequentially adding the filler, the p-toluenesulfonamide and the triethyl citrate into the mixture obtained in the step S2, continuously mixing uniformly, and finally adding the chlorinated paraffin and the weather resistant agent to mix and mix uniformly to obtain the elastic tray net material.
The performance of the elastic tray web materials prepared in examples one-third and comparative examples one and two, respectively, was tested and the following results were obtained:
the above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. An elastic tray net material is characterized by comprising the following raw materials in parts by weight: 70-100 parts of modified polypropylene, 28-35 parts of polyester resin, 8-15 parts of polyvinyl alcohol, 20-30 parts of filler, 2-5 parts of p-toluenesulfonamide, 3-8 parts of triethyl citrate, 5-12 parts of chlorinated paraffin and 2-4 parts of weather resisting agent;
the modified polypropylene is prepared from the following raw materials in parts by weight: 50-70 parts of liquid propylene, 18-28 parts of hydroxyethyl methacrylate, 0.5-1 part of benzoyl peroxide, 0.1-0.3 part of palladium catalyst, 3-8 parts of o-hydroxybenzoic acid and 12-18 parts of N, N-dimethylformamide.
2. An elastic tray web material as recited in claim 1, wherein the modified polypropylene is 80-90 parts, the polyester resin is 30-34 parts, the polyvinyl alcohol is 10-14 parts, the filler is 22-28 parts, the p-toluenesulfonamide is 3-4 parts, the triethyl citrate is 4-7 parts, the chlorinated paraffin is 6-10 parts, and the weather resistant agent is 2.5-3.5 parts.
3. An elastic tray web material as claimed in claim 1, comprising the following raw materials in parts by weight: 85 parts of modified polypropylene, 32 parts of polyester resin, 12 parts of polyvinyl alcohol, 25 parts of filler, 3.5 parts of p-toluenesulfonamide, 5.5 parts of triethyl citrate, 8 parts of chlorinated paraffin and 3 parts of weather resistant agent.
4. An elastic tray web material in accordance with claim 1, wherein said modified polypropylene is produced by the process of: adding liquid propylene, hydroxyethyl methacrylate, benzoyl peroxide and N, N-dimethylformamide into a reactor together, stirring and mixing uniformly, controlling the reaction temperature in the reactor to be 65-75 ℃ and the reaction pressure to be 1.8-2.8MPa, adding ortho-hydroxybenzoic acid and a palladium catalyst, stirring for 5-10min, standing and reacting for 1-6h, and completely reacting to obtain the modified polypropylene.
5. The elastic tray web material as claimed in claim 1, wherein the palladium catalyst is prepared by mixing and compounding sodium tetrachloropalladate, lithium carbonate, yttrium oxide, sodium aluminosilicate and 20% hydrochloric acid aqueous solution in a mass ratio of 1-2:5-7:1-2:48-62: 14-18.
6. An elastic trawl material according to claim 1, wherein the filler is epoxy coated wollastonite powder.
7. The elastic tray web material as claimed in claim 1, wherein the weathering agent is compounded from salicylate, 6-bromoandrosterone and ethoxyquin in a mass ratio of 5-8:1-3: 1-3.
8. A method of making an elastic tray web material according to any one of claims 1-comprising the steps of:
s1, weighing the raw materials of modified polypropylene, polyester resin, polyvinyl alcohol, filler, p-toluenesulfonamide, triethyl citrate, chlorinated paraffin and weather resistant agent for later use;
s2, adding the modified polypropylene, the polyester resin and the polyvinyl alcohol into a high-speed mixer together, controlling the mixing rate to be 1800r/min, and premixing for 10-20min to obtain a mixture;
s3, sequentially adding the filler, the p-toluenesulfonamide and the triethyl citrate into the mixture obtained in the step S2, continuously mixing uniformly, and finally adding the chlorinated paraffin and the weather resistant agent to mix and mix uniformly to obtain the elastic tray net material.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101628234A (en) * | 2008-07-18 | 2010-01-20 | 赢创德固赛有限责任公司 | Method for producing improved catalyst |
| CN102888045A (en) * | 2012-10-24 | 2013-01-23 | 浙江建中竹业科技有限公司 | Plant charcoal plastic composite material |
| CN107666960A (en) * | 2015-01-29 | 2018-02-06 | 巴斯夫公司 | Rhodium-containing catalyst for motor vehicle emission processing |
| CN110452461A (en) * | 2019-08-19 | 2019-11-15 | 汕头市精通实业有限公司 | A kind of polypropylene modification plastics |
-
2021
- 2021-08-25 CN CN202110979936.3A patent/CN113652030A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101628234A (en) * | 2008-07-18 | 2010-01-20 | 赢创德固赛有限责任公司 | Method for producing improved catalyst |
| CN102888045A (en) * | 2012-10-24 | 2013-01-23 | 浙江建中竹业科技有限公司 | Plant charcoal plastic composite material |
| CN107666960A (en) * | 2015-01-29 | 2018-02-06 | 巴斯夫公司 | Rhodium-containing catalyst for motor vehicle emission processing |
| CN110452461A (en) * | 2019-08-19 | 2019-11-15 | 汕头市精通实业有限公司 | A kind of polypropylene modification plastics |
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Application publication date: 20211116 |