CN114806150A - Antistatic nylon and preparation method thereof - Google Patents
Antistatic nylon and preparation method thereof Download PDFInfo
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- CN114806150A CN114806150A CN202111244690.1A CN202111244690A CN114806150A CN 114806150 A CN114806150 A CN 114806150A CN 202111244690 A CN202111244690 A CN 202111244690A CN 114806150 A CN114806150 A CN 114806150A
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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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/017—Additives being an antistatic agent
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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
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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Abstract
The invention discloses antistatic nylon and a preparation method thereof. The antistatic nylon comprises the following components in parts by weight: 80-100 parts of nylon 6, 0.5-5 parts of antistatic agent and modified nano SiO 2 15-30 parts of antioxidant, 0.3-1 part of toughening agent, 10-15 parts of flame retardant and 5-10 parts of flame retardant; in the preparation process, the nylon 6 composite material is processed by processing sections with different temperaturesThe components are well fused with each other, the components are uniformly dispersed in a matrix, and the material has good strength, toughness, flame retardant property and the like. The invention has excellent mechanical property and flame retardant property, and is particularly suitable for manufacturing devices such as sockets and the like.
Description
Technical Field
The invention relates to the technical field of chemical materials, in particular to antistatic nylon and a preparation method thereof.
Background
The nylon material is easy to generate static in dry air, which causes phenomena such as suction, repulsion, clicking, discharging and the like, and when the nylon material is applied in a mine, the nylon material needs to have higher static eliminating capability because gas, flammable and explosive gas exists in the mine.
The impedance of the material can be increased through the metal powder or the metal oxide, but the metal powder is easy to gather during injection molding, so that the material is unevenly distributed, the resistance difference is large, and the static elimination effect is poor.
In the prior art, various methods for antistatic modification of nylon are available, such as physical blending method, surface treatment method, beam irradiation and the like, but various disadvantages still exist, such as poor durability of materials, easy shedding of friction washing, poor timeliness, poor mechanical properties and the like.
Therefore, a new nylon 6 composite material needs to be invented, so that the composite material has low linear expansion coefficient, low die damage, excellent appearance, high strength, high flame retardant property and the like, and can be widely applied to the fields of switch sockets and the like.
Disclosure of Invention
In order to solve the technical problems, the invention provides the nylon composite material which has good flame retardant property and mechanical property and can eliminate static electricity, and the nylon composite material is particularly suitable to be used as a raw material for preparing structural members for fixing handles under mines.
According to one aspect of the invention, the antistatic nylon comprises the following components in parts by weight: 80-100 parts of nylon 6, 0.5-5 parts of antistatic agent and modified nano SiO 2 15 to 30 portions of antioxidant, 0.3 to 1 portion of toughening agent10-15 parts of agent and 5-10 parts of flame retardant.
Wherein, the antistatic agent is SAS 93.
Wherein, the modified nano SiO 2 Is nano SiO modified by adipic acid grafting, and the modified nano SiO 2 The particle size of (B) is 100-400 nm. The beneficial effect is that the nano SiO 2 Can be used as an inorganic filling aid to improve the strength of the material, but the nano SiO 2 When the modified nano SiO is added into nylon 6, the dispersibility is poor, the compatibility with matrix nylon 6 is poor, and the strength of the nylon 6 material can be reduced 2 Added into a nylon 6 matrix, and the compatibility of an inorganic phase and an organic phase is improved.
Wherein the antioxidant is a mixture of 1010 (tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester) and 626 (bis (2, 4-di-tert-butylphenyl) pentaerythritol diphosphite) in a mass ratio of 2-3: 1.
Wherein the toughening agent is a high polymer of ethylene and octene.
Wherein the fire retardant is silane-impregnated nanometer Mg (OH) 2 silane-Nano Mg (OH) 2 The particle size is 80-200 nm.
According to another aspect of the present invention, there is also provided a method for preparing the antistatic nylon, comprising the steps of:
(1) 80-100 parts of nylon 6 as a raw material, 0.5-5 parts of antistatic agent and modified nano SiO 2 15-10 parts of antioxidant, 0.3-1 part of antioxidant, 10-15 parts of toughening agent and 5-10 parts of flame retardant are prepared, mixed according to the proportion and sent into a double-screw extruder;
(2) the heating section of the double-screw extruder is nine sections, the processing temperature of each section is 230-245 ℃ from one section to six sections, and the processing temperature of the seventh section to the ninth section is 250-260 ℃;
(3) and extruding and granulating to obtain the nylon 6 composite material.
Wherein, the modified nano SiO 2 The preparation method comprises the following steps: adipic acid reacts with thionyl bromide to complete acyl bromination of adipic acid, and adipic acid subjected to acyl bromination is reacted with nano SiO 2 The hydroxyl on the surface reacts to obtain modified nano SiO 2 . The beneficial effect is that the modifiedNano SiO 2 2 Solves the problem of inorganic SiO 2 The micromolecules are easy to agglomerate and are distributed unevenly, and bromine is introduced to ensure that the modified nano SiO 2 Besides the reinforcing function, the flame retardant property of the material can be improved.
Modified nanometer Mg (OH) 2 The preparation method comprises the following steps: mixing silane, isopropanol and water according to the mass ratio of 1-3: 5-8: 1 to prepare a modified solution for later use; nano Mg (OH) 2 Stirring at 500-800r/min while spraying the modified solution to Mg (OH) 2 The surface is infiltrated, and the infiltrated Mg (OH) 2 Baking for 10-15min at the temperature of 100-130 ℃ to obtain silane-nano Mg (OH) infiltrated by silane 2 . The beneficial effect is that the nano Mg (OH) 2 The inorganic filler can be used as a flame retardant, but when added to nylon 6, the inorganic filler has poor compatibility with the organic phase, resulting in Mg (OH) 2 The problem of non-uniform dispersion in the nylon 6 matrix, therefore, in the present invention, Mg (OH) 2 Modification by silane impregnation to give Mg (OH) 2 The bonding ability with nylon 6 is enhanced, and the compatibility is improved. Mg (OH) 2 The flame retardant mechanism of (a) is: mg (OH) 2 Decomposition to H by heating 2 O and MgO, the decomposition process absorbs a large amount of heat, and H 2 O can reduce the oxygen concentration, and MgO can be attached to the surface of the resin, and all the aspects are mutually matched to prevent combustion. The flame retardant mechanism and the modified nano SiO 2 The flame retardant mechanism (2) can play a role in synergistic flame retardance.
Further, the silane used for wetting the flame retardant is one or more of YDH-151 (vinyl triethoxysilane), KH550 (gamma-aminopropyltriethoxysilane), KH602 (N-beta- (aminoethyl) -gamma-aminopropylmethyldimethoxysilane).
In the preparation process, through processing of processing sections at different temperatures, the components of the nylon 6 composite material are well fused with each other, the components are uniformly dispersed in a matrix, and the material has good strength, toughness, flame retardant property and the like.
The nylon 6 composite material obtained by the invention has the advantages of low linear expansion coefficient, low die damage, excellent appearance, high strength, high flame retardant property and the like, and can be widely applied to the fields of switch sockets and the like.
The invention has the advantages and beneficial effects that: the invention is prepared by mixing nano SiO 2 Modified and compounded with nylon 6, so that the nano SiO is ensured on the premise of improving the mechanical property of the nylon 6 material 2 Has good compatibility with nylon 6 and has good mixing effect with other components. Nylon 6 and nano SiO in a certain proportion 2 The obtained nylon 6 composite material has excellent mechanical property and flame retardant property, and is particularly suitable for manufacturing devices such as sockets and the like.
Detailed Description
The present invention will be further described with reference to the following embodiments.
Nano SiO 2 Can be used as an inorganic filling aid to improve the strength of the material, but the nano SiO 2 When the modified nano SiO is added into nylon 6, the dispersibility is poor, the compatibility with matrix nylon 6 is poor, and the strength of the nylon 6 material can be reduced 2 Added into a nylon 6 matrix, and the compatibility of an inorganic phase and an organic phase is improved. Modified nano SiO 2 The modification principle of (2) is as follows:
firstly, adipic acid reacts with thionyl bromide to complete acyl bromination of adipic acid, and the adipic acid after acyl bromination is reacted with nano SiO 2 The hydroxyl on the surface reacts to obtain the adipic acid grafted and modified nano SiO 2 . The modified nano SiO 2 Solves the problem of inorganic SiO 2 The micromolecules are easy to agglomerate and are distributed unevenly, and bromine is introduced to ensure that the modified nano SiO 2 Besides the reinforcing function, the flame retardant property of the material can be improved.
In particular, the principle of enhancement: nano SiO 2 Uniformly dispersed in nylon 6 resin, and when the material injection molding product is subjected to external force, the force is in SiO 2 And the net-shaped structure formed by the nylon 6 resin high molecular chain is uniformly dispersed, so that the failure risks of cracking and the like of the material are reduced. The flame retardant principle is as follows: nano SiO 2 Adipic acid graft-modified by acyl bromination, so that the nylon 6 resinThe decomposition reaction is carried out when the material is heated in the presence of open fire, free radicals Br and free radicals HO with strong activity are generated, the free radicals Br react with nylon 6 resin to generate hydrogen bromide (HBr), and the HBr reacts with the free radicals HO with strong activity to obtain H 2 O and a free radical Br, in which stage the free radical Br is regenerated, the strongly active free radical HO is inhibited, the concentration is reduced, and the chain reaction of combustion is inhibited.
Nano Mg (OH) 2 The inorganic filler can be used as a flame retardant, but when added to nylon 6, the inorganic filler has poor compatibility with the organic phase, resulting in Mg (OH) 2 The problem of non-uniform dispersion in the nylon 6 matrix, therefore, in the present invention, Mg (OH) 2 Modification by silane impregnation to give Mg (OH) 2 The bonding ability with nylon 6 is enhanced, and the compatibility is improved. Mg (OH) 2 The flame retardant mechanism of (a) is: mg (OH) 2 Decomposition to H by heating 2 O and MgO, the decomposition process absorbs a large amount of heat, and H 2 O can reduce the oxygen concentration, and MgO can be attached to the surface of the resin, and all the aspects are mutually matched to prevent combustion. The flame retardant mechanism and the modified nano SiO 2 The flame retardant mechanism (2) can play a role in synergistic flame retardance.
Nano Mg (OH) 2 The process of modification by silane impregnation is as follows: taking a solution prepared from silane, isopropanol and water according to a mass ratio of 2:7:1 as a modified solution for later use; when nano Mg (OH) 2 Spraying the modified solution to Mg (OH) in a spraying mode when stirring at a high speed in a stirring device with the rotating speed of 500-800r/min 2 The surface is infiltrated, and the infiltrated Mg (OH) 2 Baking at 110 deg.C for 10-15min to obtain silane-nanometer Mg (OH) impregnated with silane 2 。
In the preparation process, through processing of processing sections at different temperatures, the components of the nylon 6 composite material are well fused with each other, the components are uniformly dispersed in a matrix, and the material has good strength, toughness, flame retardant property and the like.
The nylon 6 composite material obtained by the invention has the advantages of low linear expansion coefficient, low die damage, excellent appearance, high strength, high flame retardant property and the like, and can be widely applied to the fields of switch sockets and the like.
The present invention will be described more specifically with reference to preferred examples wherein the antioxidant is a mixture of 1010 (pentaerythrityl tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate) and 626 (bis (2, 4-di-tert-butylphenyl) pentaerythritol diphosphite) in a mass ratio of 2-3: 1; the toughening agent is POE (high polymer of ethylene and octene); the melt index of the nylon 6 is 14-40g/10 min.
Example 1
The invention provides a nylon 6 composite material which comprises the following components in parts by weight: nylon 6100 portion, antistatic agent 1 portion, modified nano SiO 2 15 parts, 0.5 part of antioxidant, 10 parts of toughening agent and silane-nano Mg (OH) 2 5 parts of the raw materials. Wherein, the modified nano SiO 2 The particle diameter of 100-150nm, silane-nano Mg (OH) 2 The particle size of (A) is 80-100 nm.
The preparation method comprises the following steps: mixing the raw materials, and feeding the mixture into a double-screw extruder, wherein the length-diameter ratio of a screw of the extruder is 37-45, and the processing parameters are as follows:
example 2
The invention provides a nylon 6 composite material which comprises the following components in parts by weight: nylon 6100 portion, antistatic agent 1 portion, modified nano SiO 2 18 portions, 0.5 portion of antioxidant, 11 portions of toughening agent and silane-nano Mg (OH) 2 6 parts of the raw materials. Wherein, the modified nano SiO 2 Has a particle diameter of 150-200nm, silane-nano Mg (OH) 2 The particle size of (B) is 100-120 nm.
The preparation method is the same as example 1.
Example 3
The invention provides a nylon 6 composite material which comprises the following components in parts by weight: nylon 6100 portion, antistatic agent 2 portions, modified nano SiO 2 21 parts, antioxidant 0.5 part, toughening agent 12 parts, silane-nano Mg (OH) 2 7 parts. Wherein, the modified nano SiO 2 Has a particle size of 200-250nm, silane-nano Mg (OH) 2 Has a particle diameter of 120-140nm。
The preparation method is the same as example 1.
Example 4
The invention provides a nylon 6 composite material which comprises the following components in parts by weight: nylon 6100 portion, antistatic agent 1 portion, modified nano SiO 2 24 parts of antioxidant, 0.5 part of flexibilizer, 13 parts of silane-nano Mg (OH) 2 8 parts. Wherein, the modified nano SiO 2 The particle size of 250-300nm, silane-nano Mg (OH) 2 The particle size of (D) is 140-160 nm.
The preparation method is the same as example 1.
Example 5
The invention provides a nylon 6 composite material which comprises the following components in parts by weight: nylon 6100 portion, antistatic agent 1 portion, modified nano SiO 2 27 parts of antioxidant, 0.5 part of toughener, 14 parts of silane-nano Mg (OH) 2 9 parts. Wherein, the modified nano SiO 2 The particle diameter of 300-350nm, silane-nano Mg (OH) 2 The particle size of (D) is 160-180 nm.
The preparation method is the same as example 1.
Example 6
The invention provides a nylon 6 composite material which comprises the following components in parts by weight: nylon 6100 portion, antistatic agent 1 portion, modified nano SiO 2 30 parts of antioxidant, 0.5 part of flexibilizer, 15 parts of silane-nano Mg (OH) 2 10 parts. Wherein, the modified nano SiO 2 Has a particle diameter of 350-400nm, silane-nano Mg (OH) 2 The particle size of (B) is 180-200 nm.
The preparation method is the same as example 1.
Comparative example 1
Using unmodified nano SiO 2 The paint comprises the following components in parts by weight: 6100 portions of nylon, nano SiO 2 24 parts of antioxidant, 0.5 part of flexibilizer, 13 parts of silane-nano Mg (OH) 2 8 parts. Wherein, the nano SiO 2 The particle size of 250-300nm, silane-nano Mg (OH) 2 The particle size of (D) is 140-160 nm.
The preparation method is the same as example 1.
Comparative example 2
Using unmodified nano Mg (OH) 2 The paint comprises the following components in parts by weight: 6100 portions of nylon, modified nano SiO 2 24 parts, 0.5 part of antioxidant, 13 parts of toughening agent and nano Mg (OH) 2 8 parts. Wherein, the nano SiO 2 The particle size of 250-300nm, silane-nano Mg (OH) 2 The particle size of (D) is 140-160 nm.
The preparation method is the same as example 1.
Comparative example 3
Changing modified nano SiO 2 And modified Mg (OH) 2 The particle size of the composite material comprises the following components in parts by weight: 6100 portions of nylon, modified nano SiO 2 24 parts, 0.5 part of antioxidant, 13 parts of toughening agent and silane-nano Mg (OH) 2 8 parts. Wherein, the nano SiO 2 Has a particle diameter of 50-100nm, and silane-nano Mg (OH) 2 The particle size of (A) is 60-80 nm.
The preparation method is the same as example 1.
Comparative example 4
Changing modified nano SiO 2 And modified Mg (OH) 2 The particle size of the composite material comprises the following components in parts by weight: 6100 portions of nylon, modified nano SiO 2 24 parts, 0.5 part of antioxidant, 13 parts of toughening agent and silane-nano Mg (OH) 2 8 parts. Wherein, the nano SiO 2 The particle diameter of 400-450nm, silane-nano Mg (OH) 2 The particle size of (2) is 200-220 nm.
The preparation method is the same as example 1.
Comparative example 5
Reduction of modified nano SiO 2 And modified Mg (OH) 2 The formula comprises the following components in parts by weight: 6100 portions of nylon, modified nano SiO 2 12 parts of antioxidant 0.5 part, toughening agent 13 parts and silane-nano Mg (OH) 2 4 parts. Wherein, the nano SiO 2 The particle size of 250-300nm, silane-nano Mg (OH) 2 The particle size of (D) is 140-160 nm.
The preparation method is the same as example 1.
Comparative example 6
Adding modified nano SiO 2 And modified Mg (OH) 2 The formula comprises the following components in parts by weight: 6100 portions of nylon, modified nano SiO 2 35 parts, 0.5 part of antioxidant, 13 parts of flexibilizer and silane-nano Mg (OH) 2 12 parts. Wherein, the nano SiO 2 The particle size of 250-300nm, silane-nano Mg (OH) 2 The particle size of (D) is 140-160 nm.
The preparation method is the same as example 1.
Comparative example 1 of the invention Nano SiO 2 The modified material is not grafted, has poor bonding property with PA6 material, and is easy to generate nano SiO 2 Agglomerated and thus passed through the nano SiO 2 The modified PA6 material has low mechanical properties, large linear expansion coefficient and poor injection molding appearance. In addition, SiO is used as the material 2 Br element is introduced without grafting modification, and the modified PA6 has poor flame retardant property which can only reach UL94 HB.
Comparative example 2 nanometer Mg (OH) 2 The modified PA6 material has the advantages that the modified PA6 material is not soaked by silane, the bonding property with the PA6 material is poor, the tensile strength, the bending modulus and the injection molding appearance are good, but the notch impact strength of the material is low; and due to unmodified nano Mg (OH) 2 The agglomeration is easy to occur, the flame retardant property of the modified PA6 is influenced, and the flame retardant grade is UL94V 1.
Comparative example 3 modified Nano SiO 2 And silane-nano Mg (OH) 2 The particle size is smaller, the agglomeration effect is increased, and the two nano materials are easy to agglomerate, so that the mechanical property, the flame retardant grade, the injection molding appearance and the like of the material are poorer. Comparative example 4 modified Nano SiO 2 And silane-nano Mg (OH) 2 The particle size is larger, the bonding property with PA6 is poor although the particle size is grafted and infiltrated, the notch impact strength of the material is lower, and the injection molding appearance is poor.
Comparative example 5 modified Nano SiO 2 And silane-nano Mg (OH) 2 The addition amount is small, the bending modulus of the material is low, the linear expansion coefficient is large, the rigidity of the modified PA6 is poor, the injection shrinkage rate of the material is large, and the dimensional stability is poor. Comparative example 6 modified Nano SiO 2 And silane-nano Mg (OH) 2 More addition parts, high bending modulus of the material, small linear expansion coefficient, good rigidity of the material and good stability of injection molding dimensionBecause the addition of a plurality of parts destroys the arrangement of PA6 high molecular chains, the notch impact strength of the material is lower, and the injection molding appearance is poorer.
Examples 1-6, modified Nano SiO 2 And silane-nano Mg (OH) 2 The particle size range of the material is preferred, the addition weight portion is preferred, and the material is grafted with acyl-brominated adipic acid and silane-infiltrated nano Mg (OH) 2 A flame-retardant composite system is formed, and the bromine is introduced to reduce the use amount of the flame retardant in the modification process while playing a role in enhancing, so that in examples 1-6, the addition weight part of the flame retardant is only 5-10 parts. Modified nano SiO 2 And silane-nano Mg (OH) 2 The material has strong bonding capacity with PA6, and has good static elimination function due to the addition of the antistatic agent. In conclusion, the modified PA6 material has the advantages of excellent mechanical property, excellent injection molding appearance, small linear expansion coefficient, excellent flame retardant property and the like, and in addition, when the material scheme disclosed by the invention is used for injection molding production, a mold is wiped only by fixing a shift, so that the problem that the mold is frequently polished by a traditional glass fiber reinforced material is solved, and the production efficiency is improved.
Materials, reagents and experimental equipment related to the embodiment of the invention are all commercial products in the field of high polymer materials unless specified otherwise.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The antistatic nylon is characterized by comprising the following raw material components in parts by weight: 80-100 parts of nylon 6, 0.5-5 parts of antistatic agent and modified nano SiO 2 15-30 parts of antioxidant, 0.3-1 part of toughening agent and 5-10 parts of flame retardant.
2. The antistatic nylon of claim 1, wherein the antistatic agent is an ionic antistatic agent SAS 93.
3. The antistatic nylon of claim 1, wherein the modified nano SiO is 2 Is nano SiO grafted and modified by adipic acid 2 Modified nano SiO 2 The particle size of (B) is 100-400 nm.
4. The antistatic nylon of claim 1, wherein the antioxidant is a mixture of 1010 (pentaerythrityl tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate) and 626 (bis (2, 4-di-tert-butylphenyl) pentaerythritol diphosphite) in a mass ratio of 2-3: 1.
5. The antistatic nylon of claim 1 wherein the toughening agent is a high polymer of ethylene and octene.
6. The antistatic nylon of claim 1, wherein the flame retardant is a modified silane-nano Mg (OH) 2 The grain diameter is 80-200 nm.
7. A preparation method of antistatic nylon is characterized in that the raw material components of the antistatic nylon as claimed in any one of claims 1 to 6 are adopted, and the steps are as follows:
(1) 80-100 parts of nylon 6 as a raw material, 0.5-5 parts of antistatic agent and modified nano SiO 2 15-10 parts of antioxidant, 0.3-1 part of antioxidant, 10-15 parts of toughening agent and 5-10 parts of flame retardant are prepared, mixed according to the proportion and sent into a double-screw extruder;
(2) the heating section of the double-screw extruder is nine sections, the processing temperature of each section is 230-245 ℃ from one section to six sections, and the processing temperature of seven sections to nine sections is 250-260 ℃;
(3) and extruding and granulating to obtain the antistatic nylon.
8. The method for preparing antistatic nylon of claim 7, wherein the modified nano SiO is 2 The preparation method comprises the following steps: reacting adipic acid with thionyl bromide to complete the acylation of adipic acidBrominating, acyl brominating adipic acid and then mixing with nano SiO 2 The hydroxyl on the surface reacts to obtain modified nano SiO 2 。
9. The method for preparing antistatic nylon of claim 7, wherein the flame retardant is modified nano Mg (OH) 2 The preparation method comprises the following steps: mixing silane, isopropanol and water according to the mass ratio of 1-3: 5-8: 1 to prepare a modified solution for later use; nano Mg (OH) 2 Stirring at 500-800r/min while spraying the modified solution to Mg (OH) 2 The surface is infiltrated, and the infiltrated Mg (OH) 2 Baking for 10-15min at the temperature of 100-130 ℃ to obtain silane-nano Mg (OH) infiltrated by silane 2 。
10. The method for preparing antistatic nylon of claim 9, wherein the silane for wetting the flame retardant is one or more of YDH-151 (vinyltriethoxysilane), KH550 (gamma-aminopropyltriethoxysilane), KH602 (N-beta- (aminoethyl) -gamma-aminopropylmethyldimethoxysilane).
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103724813A (en) * | 2012-10-16 | 2014-04-16 | 辽宁辽杰科技有限公司 | Continuous-fiber-reinforced thermoplastic flame-retardant antistatic composite material and preparation method thereof |
| CN109836813A (en) * | 2019-01-11 | 2019-06-04 | 公牛集团股份有限公司 | Nylon 6 composite material and preparation method thereof |
| CN110256843A (en) * | 2019-06-25 | 2019-09-20 | 平顶山市科隆新材料有限公司 | A kind of flame-retardant and anti-static nylon material and preparation method thereof |
| CN110330778A (en) * | 2019-07-02 | 2019-10-15 | 宁波浙铁大风化工有限公司 | A kind of antistatic high temperature resistant fire retardation PC alloy and preparation method thereof |
-
2021
- 2021-10-26 CN CN202111244690.1A patent/CN114806150A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103724813A (en) * | 2012-10-16 | 2014-04-16 | 辽宁辽杰科技有限公司 | Continuous-fiber-reinforced thermoplastic flame-retardant antistatic composite material and preparation method thereof |
| CN109836813A (en) * | 2019-01-11 | 2019-06-04 | 公牛集团股份有限公司 | Nylon 6 composite material and preparation method thereof |
| CN110256843A (en) * | 2019-06-25 | 2019-09-20 | 平顶山市科隆新材料有限公司 | A kind of flame-retardant and anti-static nylon material and preparation method thereof |
| CN110330778A (en) * | 2019-07-02 | 2019-10-15 | 宁波浙铁大风化工有限公司 | A kind of antistatic high temperature resistant fire retardation PC alloy and preparation method thereof |
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