CN112980181A - Resin-coated modified nylon material and preparation method thereof - Google Patents
Resin-coated modified nylon material and preparation method thereof Download PDFInfo
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- CN112980181A CN112980181A CN202110174698.9A CN202110174698A CN112980181A CN 112980181 A CN112980181 A CN 112980181A CN 202110174698 A CN202110174698 A CN 202110174698A CN 112980181 A CN112980181 A CN 112980181A
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Abstract
The invention discloses a resin-coated modified nylon material which is prepared from the following raw materials in parts by weight: 17-20 parts of palm wax, 6100-120 parts of nylon, 2-3 parts of 2-thiol benzimidazole and 30-40 parts of resin coating filler, wherein the resin coating filler is added, bentonite is used as a raw material, methyl methacrylate is used as a monomer, the bentonite and the methyl methacrylate are polymerized under the action of an initiator, the polymerization is mixed and coated with ethyl cellulose, and epoxy silane is used for modification to obtain the resin coating filler, so that the dispersion performance among the fillers is modified, and the mechanical strength and the strong stability strength of a finished product are effectively improved.
Description
Technical Field
The invention belongs to the field of materials, and particularly relates to a resin-coated modified nylon material and a preparation method thereof.
Background
In recent years, the main modification methods of nylon can be classified into copolymerization modification, blend modification, and filling modification. However, the modification method adopted at present has strong pertinence, and certain performances can not be considered at the same time. The glass fiber has low price, strength and Young modulus 10 times higher than those of nylon resin, very low water absorption rate, excellent heat resistance, chemical resistance and mechanical property, and is an ideal engineering reinforcing material, but when the content of the glass fiber exceeds 40%, the reinforcing effect becomes unobvious, but the extensibility is reduced, and the surface has floating fiber, reduced glossiness and the like.
Disclosure of Invention
The invention aims to provide a resin-coated modified nylon material and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a resin-coated modified nylon material is composed of the following raw materials in parts by weight:
17-20 parts of palm wax, 6100-120 parts of nylon, 2-3 parts of 2-thiol benzimidazole and 30-40 parts of resin coating filler.
The resin-coated filler is prepared from the following raw materials in parts by weight:
10-20 parts of ethyl cellulose, 40-50 parts of methyl methacrylate, 1-2 parts of an initiator, 3-4 parts of alkenyl succinic anhydride, 10-15 parts of bentonite, 2-3 parts of calcium ricinoleate and 1-2 parts of ethoxylated ammonium alkyl sulfate.
The initiator is one of ammonium persulfate and potassium persulfate.
The preparation method of the resin-coated filler comprises the following steps:
(1) calcining bentonite at the temperature of 700-750 ℃ for 1-2 hours, cooling to normal temperature, grinding into fine powder, mixing with calcium ricinoleate, adding into deionized water 30-40 times of the weight of the mixture, adding ethoxylated ammonium alkyl sulfate, raising the temperature to 55-60 ℃, keeping the temperature and stirring for 120 minutes, and cooling to normal temperature to obtain bentonite dispersion liquid;
(2) adding an initiator into deionized water with the weight 30-40 times of that of the initiator, and uniformly stirring;
(3) mixing methyl methacrylate and alkenyl succinic anhydride, adding the mixture into deionized water which is 5-10 times of the weight of the mixture, uniformly stirring, mixing with the bentonite dispersion liquid, uniformly stirring, feeding the mixture into a reaction kettle, introducing nitrogen, adjusting the temperature of the reaction kettle to 65-70 ℃, adding an initiator aqueous solution, keeping the temperature and stirring for 4-5 hours, discharging and cooling to obtain a polymer solution;
(4) mixing ethyl cellulose and a silane coupling agent kh570, adding the mixture into deionized water with the weight being 20-30 times that of the mixture, and carrying out ultrasonic treatment for 10-20 minutes to obtain a fiber dispersion liquid;
(5) and mixing the polymer solution and the fiber dispersion liquid, uniformly stirring, feeding into a reaction kettle, raising the temperature to 160-170 ℃, keeping the temperature and stirring for 2-3 hours, discharging, cooling, performing suction filtration, washing a filter cake with water, and performing vacuum drying to obtain the fiber-reinforced polypropylene composite material.
The temperature of the vacuum drying in the step (5) is 110-120 ℃.
The degree of substitution of the ethyl cellulose is 1.3 to 1.5.
A preparation method of a resin-coated modified nylon material comprises the following steps:
mixing the palm wax, the nylon 6, the 2-thiol benzimidazole and the resin coating filler, uniformly stirring, feeding into an extruder, melting and extruding, cooling and granulating to obtain the composite material.
The invention has the advantages that:
the resin-coated filler has the beneficial effects that the added resin-coated filler takes bentonite as a raw material and methyl methacrylate as a monomer, is polymerized under the action of an initiator, is mixed and coated with ethyl cellulose, and is modified by epoxy silane to obtain the resin-coated filler, so that the dispersion performance among the fillers is modified, and the mechanical strength and the strong stability strength of a finished product are effectively improved.
Detailed Description
Example 1
A resin-coated modified nylon material is composed of the following raw materials in parts by weight:
palm wax 17, nylon 6100, 2-thiol benzimidazole 2, and resin-coated filler 30.
The resin-coated filler is prepared from the following raw materials in parts by weight:
10 parts of ethyl cellulose, 40 parts of methyl methacrylate, 1 part of an initiator, 3 parts of alkenyl succinic anhydride, 3 parts of a silane coupling agent kh5701, 10 parts of bentonite, 2 parts of calcium ricinoleate and 1 part of ethoxylated ammonium alkyl sulfate.
The initiator is ammonium persulfate.
The preparation method of the resin-coated filler comprises the following steps:
(1) calcining bentonite at 700 ℃ for 1 hour, cooling to normal temperature, grinding into fine powder, mixing with calcium ricinoleate, adding into deionized water 30 times of the weight of the mixture, adding ethoxylated ammonium alkyl sulfate, raising the temperature to 55 ℃, keeping the temperature and stirring for 100 minutes, and cooling to normal temperature to obtain bentonite dispersion;
(2) adding an initiator into deionized water with the weight 30 times that of the initiator, and uniformly stirring;
(3) mixing methyl methacrylate and alkenyl succinic anhydride, adding the mixture into deionized water which is 5 times of the weight of the mixture, uniformly stirring, mixing with the bentonite dispersion liquid, uniformly stirring, feeding the mixture into a reaction kettle, introducing nitrogen, adjusting the temperature of the reaction kettle to 65 ℃, adding an initiator aqueous solution, keeping the temperature and stirring for 4 hours, discharging and cooling to obtain a polymer solution;
(4) mixing ethyl cellulose and a silane coupling agent kh570, adding the mixture into deionized water with the weight being 20-30 times that of the mixture, and performing ultrasonic treatment for 10 minutes to obtain a fiber dispersion liquid;
(5) mixing the polymer solution and the fiber dispersion liquid, stirring uniformly, feeding into a reaction kettle, raising the temperature to 160 ℃, keeping the temperature and stirring for 2 hours, discharging, cooling, performing suction filtration, washing a filter cake with water, and performing vacuum drying to obtain the fiber dispersion liquid.
The temperature of the vacuum drying in the step (5) is 110 ℃.
The degree of substitution of the ethyl cellulose was 1.3.
A preparation method of a resin-coated modified nylon material comprises the following steps:
mixing the palm wax, the nylon 6, the 2-thiol benzimidazole and the resin coating filler, uniformly stirring, feeding into an extruder, melting and extruding, cooling and granulating to obtain the composite material.
Example 2
A resin-coated modified nylon material is composed of the following raw materials in parts by weight:
palm wax 20, nylon 6120, 2-thiol benzimidazole 3 and resin coating filler 40.
The resin-coated filler is prepared from the following raw materials in parts by weight:
ethyl cellulose 20, methyl methacrylate 50, an initiator 2, alkenyl succinic anhydride 4, a silane coupling agent kh5702, bentonite 15, calcium ricinoleate 3 and ethoxylated ammonium alkyl sulfate 2.
The initiator is potassium persulfate.
The preparation method of the resin-coated filler comprises the following steps:
(1) calcining bentonite at 750 ℃ for 2 hours, cooling to normal temperature, grinding into fine powder, mixing with calcium ricinoleate, adding into deionized water 40 times of the weight of the mixture, adding ethoxylated ammonium alkyl sulfate, raising the temperature to 60 ℃, keeping the temperature and stirring for 120 minutes, and cooling to normal temperature to obtain bentonite dispersion liquid;
(2) adding an initiator into deionized water with the weight 40 times that of the initiator, and uniformly stirring;
(3) mixing methyl methacrylate and alkenyl succinic anhydride, adding the mixture into deionized water which is 10 times of the weight of the mixture, uniformly stirring, mixing with the bentonite dispersion liquid, uniformly stirring, feeding the mixture into a reaction kettle, introducing nitrogen, adjusting the temperature of the reaction kettle to be 70 ℃, adding an initiator aqueous solution, keeping the temperature and stirring for 5 hours, discharging and cooling to obtain a polymer solution;
(4) mixing ethyl cellulose and a silane coupling agent kh570, adding the mixture into deionized water with the weight 30 times that of the mixture, and performing ultrasonic treatment for 20 minutes to obtain a fiber dispersion liquid;
(5) mixing the polymer solution and the fiber dispersion liquid, stirring uniformly, feeding into a reaction kettle, raising the temperature to 170 ℃, keeping the temperature and stirring for 3 hours, discharging, cooling, performing suction filtration, washing a filter cake with water, and performing vacuum drying to obtain the fiber dispersion liquid.
The temperature of the vacuum drying in the step (5) is 120 ℃.
The degree of substitution of the ethyl cellulose was 1.5.
A preparation method of a resin-coated modified nylon material comprises the following steps:
mixing the palm wax, the nylon 6, the 2-thiol benzimidazole and the resin coating filler, uniformly stirring, feeding into an extruder, melting and extruding, cooling and granulating to obtain the composite material.
Comparative example 1
A nylon material is composed of the following raw materials in parts by weight:
carnauba wax 17, nylon 6100, 2-mercaptobenzimidazole 2.
A method of preparation comprising the steps of:
mixing palm wax, nylon 6 and 2-thiol benzimidazole, stirring, feeding into an extruder, melting, extruding, cooling, and granulating.
And (3) performance testing:
| item | Tensile Strength (MPa) | Flexural Strength (MPa) | Notched impact Strength (KJ/m)2) |
| Inventive example 1 | 68 | 73 | 133.5 |
| Inventive example 2 | 71 | 77 | 140.1 |
| Comparative example 1 | 59 | 60 | 118.7 |
Claims (7)
1. A resin-coated modified nylon material is characterized by being prepared from the following raw materials in parts by weight:
17-20 parts of palm wax, 6100-120 parts of nylon, 2-3 parts of 2-thiol benzimidazole and 30-40 parts of resin coating filler.
2. The resin-coated modified nylon material of claim 1, wherein the resin-coated filler is prepared from the following raw materials in parts by weight:
10-20 parts of ethyl cellulose, 40-50 parts of methyl methacrylate, 1-2 parts of an initiator, 3-4 parts of alkenyl succinic anhydride, 10-15 parts of bentonite, 2-3 parts of calcium ricinoleate and 1-2 parts of ethoxylated ammonium alkyl sulfate.
3. The resin-coated modified nylon material of claim 2, wherein the initiator is one of ammonium persulfate and potassium persulfate.
4. The resin-coated modified nylon material as claimed in claim 2, wherein the preparation method of the resin-coated filler comprises the following steps:
(1) calcining bentonite at the temperature of 700-750 ℃ for 1-2 hours, cooling to normal temperature, grinding into fine powder, mixing with calcium ricinoleate, adding into deionized water 30-40 times of the weight of the mixture, adding ethoxylated ammonium alkyl sulfate, raising the temperature to 55-60 ℃, keeping the temperature and stirring for 120 minutes, and cooling to normal temperature to obtain bentonite dispersion liquid;
(2) adding an initiator into deionized water with the weight 30-40 times of that of the initiator, and uniformly stirring;
(3) mixing methyl methacrylate and alkenyl succinic anhydride, adding the mixture into deionized water which is 5-10 times of the weight of the mixture, uniformly stirring, mixing with the bentonite dispersion liquid, uniformly stirring, feeding the mixture into a reaction kettle, introducing nitrogen, adjusting the temperature of the reaction kettle to 65-70 ℃, adding an initiator aqueous solution, keeping the temperature and stirring for 4-5 hours, discharging and cooling to obtain a polymer solution;
(4) mixing ethyl cellulose and a silane coupling agent kh570, adding the mixture into deionized water with the weight being 20-30 times that of the mixture, and carrying out ultrasonic treatment for 10-20 minutes to obtain a fiber dispersion liquid;
(5) and mixing the polymer solution and the fiber dispersion liquid, uniformly stirring, feeding into a reaction kettle, raising the temperature to 160-170 ℃, keeping the temperature and stirring for 2-3 hours, discharging, cooling, performing suction filtration, washing a filter cake with water, and performing vacuum drying to obtain the fiber-reinforced polypropylene composite material.
5. The resin-coated modified nylon material as claimed in claim 4, wherein the temperature of the vacuum drying in step (5) is 110-120 ℃.
6. The resin-coated modified nylon material of claim 2, wherein the degree of substitution of ethyl cellulose is 1.3 to 1.5.
7. A method for preparing the resin-coated modified nylon material according to claim 1, comprising the steps of:
mixing the palm wax, the nylon 6, the 2-thiol benzimidazole and the resin coating filler, uniformly stirring, feeding into an extruder, melting and extruding, cooling and granulating to obtain the composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110174698.9A CN112980181A (en) | 2021-02-08 | 2021-02-08 | Resin-coated modified nylon material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110174698.9A CN112980181A (en) | 2021-02-08 | 2021-02-08 | Resin-coated modified nylon material and preparation method thereof |
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| CN112980181A true CN112980181A (en) | 2021-06-18 |
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| WO2011078275A1 (en) * | 2009-12-25 | 2011-06-30 | 富士フイルム株式会社 | Molding material, molded body, manufacturing method thereof, and casing for electrical or electronic equipment |
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| CN108559259A (en) * | 2018-05-22 | 2018-09-21 | 温州市赢创新材料技术有限公司 | A kind of waste rubber powder doping nylon plastic material and preparation method thereof |
| CN109337357A (en) * | 2018-09-13 | 2019-02-15 | 安徽微威胶件集团有限公司 | A kind of light sound-proof nylon sheet material and preparation method thereof |
| CN109370206A (en) * | 2018-10-22 | 2019-02-22 | 滁州吉胜新材料科技有限公司 | A kind of special-shaped nylon of Gao Pengsong and preparation method thereof |
| CN109880284A (en) * | 2019-03-21 | 2019-06-14 | 安徽天元电缆有限公司 | A kind of potent fire-proof high-temperature resistant cable and preparation method thereof |
| CN111004497A (en) * | 2019-12-24 | 2020-04-14 | 上海中镭新材料科技有限公司 | Electroplating nylon material and preparation method thereof |
| CN111704796A (en) * | 2020-06-29 | 2020-09-25 | 上海中镭新材料科技有限公司 | Electroplating nylon material and preparation method thereof |
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2021
- 2021-02-08 CN CN202110174698.9A patent/CN112980181A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011078275A1 (en) * | 2009-12-25 | 2011-06-30 | 富士フイルム株式会社 | Molding material, molded body, manufacturing method thereof, and casing for electrical or electronic equipment |
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| CN109337357A (en) * | 2018-09-13 | 2019-02-15 | 安徽微威胶件集团有限公司 | A kind of light sound-proof nylon sheet material and preparation method thereof |
| CN109370206A (en) * | 2018-10-22 | 2019-02-22 | 滁州吉胜新材料科技有限公司 | A kind of special-shaped nylon of Gao Pengsong and preparation method thereof |
| CN109880284A (en) * | 2019-03-21 | 2019-06-14 | 安徽天元电缆有限公司 | A kind of potent fire-proof high-temperature resistant cable and preparation method thereof |
| CN111004497A (en) * | 2019-12-24 | 2020-04-14 | 上海中镭新材料科技有限公司 | Electroplating nylon material and preparation method thereof |
| CN111704796A (en) * | 2020-06-29 | 2020-09-25 | 上海中镭新材料科技有限公司 | Electroplating nylon material and preparation method thereof |
Non-Patent Citations (1)
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