CN105907094A - Heat-resistant high-elasticity plastic material and preparation method thereof - Google Patents
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Abstract
The invention discloses heat-resistant high-elasticity plastic material, made from the following materials according to parts by weight: 5-30 parts of polyesteramide, 5-15 parts of polythiophene, 5-15 parts of polystyrene, 5-15 parts of polyalkylene glycol, 5-15 parts of polyethylene wax, 5-25 parts of polyether sulfone, 5-25 parts of butadiene-acrylonitrile rubber, 5-10 parts of sodium perchlorate, 5-10 parts of trioctyl trimellitate, 5-10 parts of cobalt naphthenate, 5-15 parts of diisobutyl sodium sulfosuccinate, 5-10 parts of sodium di-butyl naphthalene sulfonate, 2-5 parts of p-tert-butylcatechol, 2-5 parts of dithiothreitol, 2-5 parts of N-hydroxymaleimide, 2-5 parts of dimethyl 3-hydroxyglutarate, 5-10 parts of a coupling agent, 5-10 parts of an antioxidant, and 5-10 parts of a thermal stabilizer; therefore, it is possible to improve heat resistance of the plastic material and greatly enhance elasticity of the plastic material; meanwhile, also disclosed is a corresponding preparation method.
Description
Technical field
The present invention relates to plastic material technical field, be specifically related to a kind of heat resistant type high resiliency plastic material and preparation method thereof。
Background technology
Plastic material is traditionally With polymer as basis ? In uniform temperature after addition additive ? Under pressure ? Processed mould solid material obtained by the type of making or crosslinking curing molding.Plastic cement is broadly divided into general plastic cement, engineering plastic and mixing plastic cement.Traditional plastic cement industry goods are easily worked, can freely colour, tough and tensile firm, not heat conduction, the advantage such as non-conductive, corrosion-resistant, but simultaneously these plasthetics have inflammable, the most ageing-resistant, service life is short, the most degradable, to shortcomings such as bad environmental.Plastic cement products is also being the biggest through using the superseded of week after date and degraded to the harm of environment simultaneously.Along with social industrialized development, the requirement of industry plastic material increases substantially, and needs heat resistance big plastic material good, elastic, but the most traditional plastic material is not met by the requirement of the said goods in the making of some product.So being badly in need of now working out a kind of heat resistance big plastic material good, elastic to meet requirement and the demand of relevant industries goods。
Summary of the invention
For solving above-mentioned technical problem, the present invention provides a kind of heat resistant type high resiliency plastic material and preparation method thereof, by using specified raw material to be combined, coordinate corresponding production technology, obtain a kind of novel complex plastic material, there is good heat resistance, and the elasticity of material is big, has a good application prospect.
Detailed description of the invention
The purpose of the present invention can be achieved through the following technical solutions:
A kind of heat resistant type high resiliency plastic material, it is prepared by the raw materials in: polyesteramide 5-30 part, polythiophene 5-15 part, polystyrene 5-15 part, poly alkylene glycol 5-15 part, Tissuemat E 5-15 part, polyether sulfone 5-25 part, nitrile rubber 5-25 part, sodium perchlorate 5-10 part, trioctyl trimellitate (TOTM) 5-10 part, cobalt naphthenate 5-10 part, sulfosuccinic acid-diisobutylester-S-sodium salt 5-15 part, nekal 5-10 part, p-tert-Butylcatechol 2-5 part, dithiothreitol, DTT 2-5 part, N-hydroxy maleimide 2-5 part, 3-hydroxyl Glutaric Acid Dimethyl ester 2-5 part, coupling agent 5-10 part, antioxidant 5-10 part, heat stabilizer 5-10 part.
Preferably, one or more in vinyl three t-butylperoxy silane, chloromethyl-dimethylsilane and propyl trimethoxy silicane of described coupling agent.
Preferably, one or more in 5-Phenylpyrazole-3-carboxylic acid, ethyl ester, thiazole-4-carboxylic acid ethyl ester, the dimethyl phosphine acyl acetic acid tert-butyl ester and 5-methylindole-2-methyl acid esters of described antioxidant.
Preferably, one or more in ethyl isobutyl ketone, 2-cyclopentenone, fourth oxygen cyclic ketones and 2-bromo-3-fluoro acetophenone of described heat stabilizer
。
The preparation method of described heat resistant type high resiliency plastic material comprises the following steps:
(1) each raw material is weighed according to weight portion；
(2) by polyesteramide, polythiophene, polystyrene, poly alkylene glycol, Tissuemat E, polyether sulfone, nitrile rubber mixing, add the boric acid solution of 0.9%, stir 30-60 minute when 1500 r/m；
(3) by sodium perchlorate, trioctyl trimellitate (TOTM), cobalt naphthenate, sulfosuccinic acid-diisobutylester-S-sodium salt, nekal, p-tert-Butylcatechol, dithiothreitol, DTT, N-hydroxy maleimide, the mixing of 3-hydroxyl Glutaric Acid Dimethyl ester, add the acetum of 0.5%, Ultrasonic Pulverization 30-60 minute, Ultrasonic Pulverization acc power is 220W；
(4) mixed liquor of step (2) and step (3) is mixed, be heated to 150 DEG C, add coupling agent, antioxidant and heat stabilizer, stir 30-60 minute under the state of 1500-2000 r/m；
(5) mixed liquor after stirring is heated to 200 DEG C, Heat preservation 60 minutes, is then injected into double screw extruder, is stirred mixing, screw rod revolution is 1500-2000 r/m, is extruded from the outlet of double screw extruder by mixed liquor, draws high, plastotype, cools down and shape.
Compared with prior art, it has the beneficial effect that the present invention
(1) the heat resistant type high resiliency plastic material of the present invention is with polyesteramide, polythiophene, polystyrene, poly alkylene glycol, Tissuemat E, polyether sulfone, nitrile rubber, sodium perchlorate, trioctyl trimellitate (TOTM), cobalt naphthenate, sulfosuccinic acid-diisobutylester-S-sodium salt, nekal, p-tert-Butylcatechol, dithiothreitol, DTT, N-hydroxy maleimide, 3-hydroxyl Glutaric Acid Dimethyl ester is main component, by adding coupling agent, antioxidant and heat stabilizer, it is aided with modification, stirring, heating, ultrasonic, extrusion, draw high, plastotype, the techniques such as cooling and sizing, the plastic material being prepared from is made to have good heat resistance, and it is elastic big, the requirement of industry can be met.
(2) the plastic material cheaper starting materials of the present invention, technique are simply, are suitable to heavy industrialization and use, practical.
Detailed description of the invention
Below in conjunction with specific embodiment, the technical scheme of invention is described in detail.
Embodiment 1
(1) each raw material is weighed according to weight portion: polyesteramide 5 parts, polythiophene 5 parts, polystyrene 5 parts, poly alkylene glycol 5 parts, Tissuemat E 5 parts, polyether sulfone 5 parts, nitrile rubber 5 parts, sodium perchlorate 5 parts, trioctyl trimellitate (TOTM) 5 parts, cobalt naphthenate 5 parts, sulfosuccinic acid-diisobutylester-S-sodium salt 5 parts, nekal 5 parts, p-tert-Butylcatechol 2 parts, dithiothreitol, DTT 2 parts, N-hydroxy maleimide 2 parts, 3-hydroxyl Glutaric Acid Dimethyl ester 2 parts, 5 parts of vinyl three t-butylperoxy silane, 5-Phenylpyrazole-3-carboxylic acid, ethyl ester 5 parts, ethyl isobutyl ketone 5 parts；
(2) by polyesteramide, polythiophene, polystyrene, poly alkylene glycol, Tissuemat E, polyether sulfone, nitrile rubber mixing, add the boric acid solution of 0.9%, stir 30 minutes when 1500 r/m；
(3) by sodium perchlorate, trioctyl trimellitate (TOTM), cobalt naphthenate, sulfosuccinic acid-diisobutylester-S-sodium salt, nekal, p-tert-Butylcatechol, dithiothreitol, DTT, N-hydroxy maleimide, the mixing of 3-hydroxyl Glutaric Acid Dimethyl ester, add the acetum of 0.5%, Ultrasonic Pulverization 30 minutes, Ultrasonic Pulverization acc power is 220W；
(4) mixed liquor of step (2) and step (3) is mixed, be heated to 150 DEG C, add vinyl three t-butylperoxy silane, 5-Phenylpyrazole-3-carboxylic acid, ethyl ester and ethyl isobutyl ketone, stir 30 minutes under the state of 1500r/m；
(5) mixed liquor after stirring is heated to 200 DEG C, Heat preservation 60 minutes, it is then injected into double screw extruder, is stirred mixing, screw rod revolution is 1500 r/m, is extruded from the outlet of double screw extruder by mixed liquor, draws high, plastotype, cools down and shape.
The performance test results of the plastic material prepared is as shown in table 1.
Embodiment 2
(1) each raw material is weighed according to weight portion: polyesteramide 10 parts, polythiophene 7 parts, polystyrene 7 parts, poly alkylene glycol 7 parts, Tissuemat E 7 parts, polyether sulfone 7 parts, nitrile rubber 10 parts, sodium perchlorate 6 parts, trioctyl trimellitate (TOTM) 6 parts, cobalt naphthenate 6 parts, sulfosuccinic acid-diisobutylester-S-sodium salt 8 parts, nekal 8 parts, p-tert-Butylcatechol 3 parts, dithiothreitol, DTT 3 parts, N-hydroxy maleimide 3 parts, 3-hydroxyl Glutaric Acid Dimethyl ester 3 parts, chloromethyl-dimethylsilane 6 parts, thiazole-4-carboxylic acid ethyl ester 6 parts, 2-cyclopentenone 6 parts；
(2) by polyesteramide, polythiophene, polystyrene, poly alkylene glycol, Tissuemat E, polyether sulfone, nitrile rubber mixing, add the boric acid solution of 0.9%, stir 40 minutes when 1500 r/m；
(3) by sodium perchlorate, trioctyl trimellitate (TOTM), cobalt naphthenate, sulfosuccinic acid-diisobutylester-S-sodium salt, nekal, p-tert-Butylcatechol, dithiothreitol, DTT, N-hydroxy maleimide, the mixing of 3-hydroxyl Glutaric Acid Dimethyl ester, add the acetum of 0.5%, Ultrasonic Pulverization 40 minutes, Ultrasonic Pulverization acc power is 220W；
(4) mixed liquor of step (2) and step (3) is mixed, be heated to 150 DEG C, add chloromethyl-dimethylsilane, thiazole-4-carboxylic acid ethyl ester and 2-cyclopentenone, stir 40 minutes under the state of 1600r/m；
(5) mixed liquor after stirring is heated to 200 DEG C, Heat preservation 60 minutes, it is then injected into double screw extruder, is stirred mixing, screw rod revolution is 1600 r/m, is extruded from the outlet of double screw extruder by mixed liquor, draws high, plastotype, cools down and shape.
The performance test results of the plastic material prepared is as shown in table 1.
Embodiment 3
(1) each raw material is weighed according to weight portion: polyesteramide 20 parts, polythiophene 12 parts, polystyrene 12 parts, poly alkylene glycol 12 parts, Tissuemat E 12 parts, polyether sulfone 20 parts, nitrile rubber 20 parts, sodium perchlorate 8 parts, trioctyl trimellitate (TOTM) 8 parts, cobalt naphthenate 8 parts, sulfosuccinic acid-diisobutylester-S-sodium salt 12 parts, nekal 8 parts, p-tert-Butylcatechol 4 parts, dithiothreitol, DTT 4 parts, N-hydroxy maleimide 4 parts, 3-hydroxyl Glutaric Acid Dimethyl ester 4 parts, propyl trimethoxy silicane 8 parts, the dimethyl phosphine acyl acetic acid tert-butyl ester 8 parts, fourth oxygen cyclic ketones 8 parts；
(2) by polyesteramide, polythiophene, polystyrene, poly alkylene glycol, Tissuemat E, polyether sulfone, nitrile rubber mixing, add the boric acid solution of 0.9%, stir 50 minutes when 1500 r/m；
(3) by sodium perchlorate, trioctyl trimellitate (TOTM), cobalt naphthenate, sulfosuccinic acid-diisobutylester-S-sodium salt, nekal, p-tert-Butylcatechol, dithiothreitol, DTT, N-hydroxy maleimide, the mixing of 3-hydroxyl Glutaric Acid Dimethyl ester, add the acetum of 0.5%, Ultrasonic Pulverization 50 minutes, Ultrasonic Pulverization acc power is 220W；
(4) mixed liquor of step (2) and step (3) is mixed, be heated to 150 DEG C, add propyl trimethoxy silicane, the dimethyl phosphine acyl acetic acid tert-butyl ester and fourth oxygen cyclic ketones, stir 50 minutes under the state of 1800r/m；
(5) mixed liquor after stirring is heated to 200 DEG C, Heat preservation 60 minutes, it is then injected into double screw extruder, is stirred mixing, screw rod revolution is 1800r/m, is extruded from the outlet of double screw extruder by mixed liquor, draws high, plastotype, cools down and shape.
The performance test results of the plastic material prepared is as shown in table 1.
Embodiment 4
(1) each raw material is weighed according to weight portion: polyesteramide 30 parts, polythiophene 15 parts, polystyrene 15 parts, poly alkylene glycol 15 parts, Tissuemat E 15 parts, polyether sulfone 25 parts, nitrile rubber 25 parts, sodium perchlorate 10 parts, trioctyl trimellitate (TOTM) 10 parts, cobalt naphthenate 10 parts, sulfosuccinic acid-diisobutylester-S-sodium salt 15 parts, nekal 10 parts, p-tert-Butylcatechol 5 parts, dithiothreitol, DTT 5 parts, N-hydroxy maleimide 5 parts, 3-hydroxyl Glutaric Acid Dimethyl ester 5 parts, propyl trimethoxy silicane 10 parts, 5-methylindole-2-methyl acid esters 10 parts, 2-bromo-3-fluoro acetophenone 10 parts；
(2) by polyesteramide, polythiophene, polystyrene, poly alkylene glycol, Tissuemat E, polyether sulfone, nitrile rubber mixing, add the boric acid solution of 0.9%, stir 60 minutes when 1500 r/m；
(3) by sodium perchlorate, trioctyl trimellitate (TOTM), cobalt naphthenate, sulfosuccinic acid-diisobutylester-S-sodium salt, nekal, p-tert-Butylcatechol, dithiothreitol, DTT, N-hydroxy maleimide, the mixing of 3-hydroxyl Glutaric Acid Dimethyl ester, add the acetum of 0.5%, Ultrasonic Pulverization 60 minutes, Ultrasonic Pulverization acc power is 220W；
(4) mixed liquor of step (2) and step (3) is mixed, be heated to 150 DEG C, add propyl trimethoxy silicane, 5-methylindole-2-methyl acid esters and 2-bromo-3-fluoro acetophenone, stir 60 minutes under the state of 2000 r/m；
(5) mixed liquor after stirring is heated to 200 DEG C, Heat preservation 60 minutes, it is then injected into double screw extruder, is stirred mixing, screw rod revolution is 2000 r/m, is extruded from the outlet of double screw extruder by mixed liquor, draws high, plastotype, cools down and shape.
The performance test results of the plastic material prepared is as shown in table 1.
Comparative example 1
(1) each raw material is weighed according to weight portion: poly alkylene glycol 5 parts, Tissuemat E 5 parts, polyether sulfone 5 parts, nitrile rubber 5 parts, cobalt naphthenate 5 parts, sulfosuccinic acid-diisobutylester-S-sodium salt 5 parts, nekal 5 parts, p-tert-Butylcatechol 2 parts, dithiothreitol, DTT 2 parts, N-hydroxy maleimide 2 parts, 3-hydroxyl Glutaric Acid Dimethyl ester 2 parts, 5 parts of vinyl three t-butylperoxy silane, 5-Phenylpyrazole-3-carboxylic acid, ethyl ester 5 parts, ethyl isobutyl ketone 5 parts；
(2) by poly alkylene glycol, Tissuemat E, polyether sulfone, nitrile rubber mixing, add the boric acid solution of 0.9%, stir 30 minutes when 1500 r/m；
(3) by cobalt naphthenate, sulfosuccinic acid-diisobutylester-S-sodium salt, nekal, p-tert-Butylcatechol, dithiothreitol, DTT, N-hydroxy maleimide, the mixing of 3-hydroxyl Glutaric Acid Dimethyl ester, add the acetum of 0.5%, Ultrasonic Pulverization 30 minutes, Ultrasonic Pulverization acc power is 220W；
(4) mixed liquor of step (2) and step (3) is mixed, be heated to 150 DEG C, add vinyl three t-butylperoxy silane, 5-Phenylpyrazole-3-carboxylic acid, ethyl ester and ethyl isobutyl ketone, stir 30 minutes under the state of 1500r/m；
(5) mixed liquor after stirring is heated to 200 DEG C, Heat preservation 60 minutes, it is then injected into double screw extruder, is stirred mixing, screw rod revolution is 1500 r/m, is extruded from the outlet of double screw extruder by mixed liquor, draws high, plastotype, cools down and shape.
The performance test results of the plastic material prepared is as shown in table 1.
Comparative example 2
(1) each raw material is weighed according to weight portion: polyesteramide 30 parts, polythiophene 15 parts, polystyrene 15 parts, poly alkylene glycol 15 parts, nitrile rubber 25 parts, sodium perchlorate 10 parts, trioctyl trimellitate (TOTM) 10 parts, cobalt naphthenate 10 parts, sulfosuccinic acid-diisobutylester-S-sodium salt 15 parts, nekal 10 parts, N-hydroxy maleimide 5 parts, 3-hydroxyl Glutaric Acid Dimethyl ester 5 parts, propyl trimethoxy silicane 10 parts, 5-methylindole-2-methyl acid esters 10 parts, 2-bromo-3-fluoro acetophenone 10 parts；
(2) by polyesteramide, polythiophene, polystyrene, poly alkylene glycol, nitrile rubber mixing, add the boric acid solution of 0.9%, stir 60 minutes when 1500 r/m；
(3) by sodium perchlorate, trioctyl trimellitate (TOTM), cobalt naphthenate, sulfosuccinic acid-diisobutylester-S-sodium salt, nekal, N-hydroxy maleimide, the mixing of 3-hydroxyl Glutaric Acid Dimethyl ester, add the acetum of 0.5%, Ultrasonic Pulverization 60 minutes, Ultrasonic Pulverization acc power is 220W；
(4) mixed liquor of step (2) and step (3) is mixed, be heated to 150 DEG C, add propyl trimethoxy silicane, 5-methylindole-2-methyl acid esters and 2-bromo-3-fluoro acetophenone, stir 60 minutes under the state of 2000 r/m；
(5) mixed liquor after stirring is heated to 200 DEG C, Heat preservation 60 minutes, it is then injected into double screw extruder, is stirred mixing, screw rod revolution is 2000 r/m, is extruded from the outlet of double screw extruder by mixed liquor, draws high, plastotype, cools down and shape.
The performance test results of the plastic material prepared is as shown in table 1.
The plastic material of embodiment 1-4 and comparative example 1-2 is tested its hot strength, bending strength, elongation at break, rebound degree and thermal contraction efficiency respectively.
Table 1
| Hot strength Mpa | Bending strength Mpa | Elongation at break % | Rebound degree % | Thermal contraction % | |
| Embodiment 1 | 90.40 | 187.30 | 298.50 | 59.50 | 0.90 |
| Embodiment 2 | 89.70 | 192.60 | 302.10 | 55.30 | 0.87 |
| Embodiment 3 | 88.60 | 189.50 | 294.30 | 57.10 | 0.83 |
| Embodiment 4 | 91.40 | 191.80 | 297.70 | 58.40 | 0.91 |
| Comparative example 1 | 34.20 | 81.30 | 124.50 | 12.30 | 0.17 |
| Comparative example 2 | 29.40 | 76.50 | 137.60 | 15.10 | 0.23 |
The heat resistant type high resiliency plastic material of the present invention is with polyesteramide, polythiophene, polystyrene, poly alkylene glycol, Tissuemat E, polyether sulfone, nitrile rubber, sodium perchlorate, trioctyl trimellitate (TOTM), cobalt naphthenate, sulfosuccinic acid-diisobutylester-S-sodium salt, nekal, p-tert-Butylcatechol, dithiothreitol, DTT, N-hydroxy maleimide, 3-hydroxyl Glutaric Acid Dimethyl ester is main component, by adding coupling agent, antioxidant and heat stabilizer, it is aided with modification, stirring, heating, ultrasonic, extrusion, draw high, plastotype, the techniques such as cooling and sizing, the plastic material being prepared from is made to have good heat resistance, and it is elastic big, the requirement of industry can be met.The plastic material cheaper starting materials of the present invention, technique are simple, are suitable to heavy industrialization and use, practical.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in the scope of patent protection of the present invention。
Claims (5)
1. a heat resistant type high resiliency plastic material, it is characterized in that: be prepared by the raw materials in: polyesteramide 5-30 part, polythiophene 5-15 part, polystyrene 5-15 part, poly alkylene glycol 5-15 part, Tissuemat E 5-15 part, polyether sulfone 5-25 part, nitrile rubber 5-25 part, sodium perchlorate 5-10 part, trioctyl trimellitate (TOTM) 5-10 part, cobalt naphthenate 5-10 part, sulfosuccinic acid-diisobutylester-S-sodium salt 5-15 part, nekal 5-10 part, p-tert-Butylcatechol 2-5 part, dithiothreitol, DTT 2-5 part, N-hydroxy maleimide 2-5 part, 3-hydroxyl Glutaric Acid Dimethyl ester 2-5 part, coupling agent 5-10 part, antioxidant 5-10 part, heat stabilizer 5-10 part.
Heat resistant type high resiliency plastic material the most according to claim 1, it is characterised in that: one or more in vinyl three t-butylperoxy silane, chloromethyl-dimethylsilane and propyl trimethoxy silicane of described coupling agent.
Heat resistant type high resiliency plastic material the most according to claim 1, it is characterised in that: one or more in 5-Phenylpyrazole-3-carboxylic acid, ethyl ester, thiazole-4-carboxylic acid ethyl ester, the dimethyl phosphine acyl acetic acid tert-butyl ester and 5-methylindole-2-methyl acid esters of described antioxidant.
Heat resistant type high resiliency plastic material the most according to claim 1, it is characterised in that: one or more in ethyl isobutyl ketone, 2-cyclopentenone, fourth oxygen cyclic ketones and 2-bromo-3-fluoro acetophenone of described heat stabilizer.
5. according to the preparation method of the arbitrary described heat resistant type high resiliency plastic material of Claims 1 to 4, it is characterised in that comprise the following steps:
(1) each raw material is weighed according to weight portion；
(2) by polyesteramide, polythiophene, polystyrene, poly alkylene glycol, Tissuemat E, polyether sulfone, nitrile rubber mixing, add the boric acid solution of 0.9%, stir 30-60 minute when 1500 r/m；
(3) by sodium perchlorate, trioctyl trimellitate (TOTM), cobalt naphthenate, sulfosuccinic acid-diisobutylester-S-sodium salt, nekal, p-tert-Butylcatechol, dithiothreitol, DTT, N-hydroxy maleimide, the mixing of 3-hydroxyl Glutaric Acid Dimethyl ester, add the acetum of 0.5%, Ultrasonic Pulverization 30-60 minute, Ultrasonic Pulverization acc power is 220W；
(4) mixed liquor of step (2) and step (3) is mixed, be heated to 150 DEG C, add coupling agent, antioxidant and heat stabilizer, stir 30-60 minute under the state of 1500-2000 r/m；
(5) mixed liquor after stirring is heated to 200 DEG C, Heat preservation 60 minutes, is then injected into double screw extruder, is stirred mixing, screw rod revolution is 1500-2000 r/m, is extruded from the outlet of double screw extruder by mixed liquor, draws high, plastotype, cools down and shape.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917162A (en) * | 2017-04-19 | 2017-07-04 | 马志明 | Weaving face fabric for medical care industry and preparation method thereof |
| CN114350146A (en) * | 2022-01-06 | 2022-04-15 | 宁波群力紧固件制造有限公司 | High-strength bolt material and preparation method thereof |
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| CN103450615A (en) * | 2013-08-22 | 2013-12-18 | 吴江市英力达塑料包装有限公司 | High-elasticity plastic material and preparation method thereof |
| CN105367919A (en) * | 2015-12-04 | 2016-03-02 | 常州工程职业技术学院 | Preparation method for plastic particles filling anti-aging artificial lawn |
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| CN103450615A (en) * | 2013-08-22 | 2013-12-18 | 吴江市英力达塑料包装有限公司 | High-elasticity plastic material and preparation method thereof |
| CN105367919A (en) * | 2015-12-04 | 2016-03-02 | 常州工程职业技术学院 | Preparation method for plastic particles filling anti-aging artificial lawn |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917162A (en) * | 2017-04-19 | 2017-07-04 | 马志明 | Weaving face fabric for medical care industry and preparation method thereof |
| CN114350146A (en) * | 2022-01-06 | 2022-04-15 | 宁波群力紧固件制造有限公司 | High-strength bolt material and preparation method thereof |
| CN114350146B (en) * | 2022-01-06 | 2024-03-29 | 宁波群力紧固件制造有限公司 | High-strength bolt material and preparation method thereof |
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