CN103980700A - Antistatic halogen-free flame-retardant nylon engineering plastic and preparation method thereof - Google Patents
Antistatic halogen-free flame-retardant nylon engineering plastic and preparation method thereof Download PDFInfo
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- CN103980700A CN103980700A CN201410251923.4A CN201410251923A CN103980700A CN 103980700 A CN103980700 A CN 103980700A CN 201410251923 A CN201410251923 A CN 201410251923A CN 103980700 A CN103980700 A CN 103980700A
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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
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
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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
- C08K3/02—Elements
- C08K3/04—Carbon
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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
- C08K3/32—Phosphorus-containing compounds
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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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/53—Phosphorus bound to oxygen bound to oxygen and to carbon only
- C08K5/5313—Phosphinic compounds, e.g. R2=P(:O)OR'
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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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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Abstract
The invention relates to the field of high polymer materials, particularly an antistatic halogen-free flame-retardant nylon engineering plastic and a preparation method thereof. The antistatic antistatic halogen-free flame-retardant nylon engineering plastic comprises the following components in parts by weight: 80-120 parts of polyamide resin, 10-40 parts of nano graphite, 20-50 parts of halogen-free flame retardant, 2-15 parts of nano inorganic filler and 0.1-3 parts of silane coupling agent. By adopting the one-step double-screw extrusion melt blending process, the nano graphite is added to endow the polyamide resin with favorable antistatic effect, the diethyl hypophosphite flame retardant is added to implement no halogen and flame retardancy of the polyamide resin, and meanwhile, the nano alpha-zirconium phosphate particles are added to synergically enhance the flame retardancy.
Description
Technical field
The present invention relates to polymeric material field, particularly a kind of anti-static halogen-free flame-retardant nylon engineering plastic and preparation method thereof.
Background technology
In electronic component manufacture, the operations such as transmission are the infringement that prevents that electrostatic breakdown from causing electronic component, need to use anlistatig plastics; In automobile making, fuel tank oil pipe is the freely burning fire that prevents that static from causing, its plastic paste used needs to carry out antistatic treatment more; The aspects such as this external electromagnetic shielding are also used conductive plastics in a large number.
Nylon has good wear resistance, thermotolerance, oil-proofness and chemical proofing, has good dimensional stability and excellent physical strength, is widely used in machinery, automobile and field of electronics.Virgin resin volume specific resistance is 10
12more than ohm cm, be good insulating material.The conventional filler of the anti-static plastic of preparation conduction is at present carbon system and metal system, and carbon system comprises carbon black, graphite and carbon fiber etc., and metal system mainly contains metal-powder, sheet and the fibers such as lead, copper, iron.Metal-powder content generally just can make material electric conductivity reach requirement when 50% left and right, and this must make matrix material machinery performance decline to a great extent.Metal proportion is larger in addition, also large to processing units wearing and tearing, compares carbon conductive filler and has significant advantage.Graphite is a kind of high-quality natural resources, its compound with regular structure, and unique properties, is a kind of desirable antistatic material.In recent years the development of nano material and nanotechnology reaches its maturity, and nano material can effectively be improved mechanical property, flame retardant properties of material etc., and the applied research based on nano material in engineering plastics more and more receives publicity.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of anti-static halogen-free flame-retardant nylon engineering plastic.This nylon engineering plastic has good antistatic property, mechanical property and flame retardant properties.
Another object of the present invention is to provide the preparation method of above-mentioned engineering plastics.
Technical problem to be solved by this invention is achieved by the following technical programs:
An anti-static halogen-free flame-retardant nylon engineering plastic, the component that comprises following parts by weight:
80 ~ 120 parts of polyamide resins; 10 ~ 40 parts of nano-graphites; 20 ~ 50 parts of halogen-free flame retardantss; 2 ~ 15 parts of nanometer inorganic fillers; 0.1 ~ 3 part of silane coupling agent.
Further, described polyamide resin is at least one in PA6, PA66.
Further, described halogen-free flame retardants is diethyl phosphinates based flame retardant.
Further, described nanometer inorganic filler is nanometer alpha zirconium phosphate.
Further, according to parts by weight, also comprise 0 ~ 5 part of functional agent.
Further, described functional agent is at least one in oxidation inhibitor, lubricant.
Further, described engineering plastics are comprised of the component of following parts by weight:
80 ~ 120 parts of polyamide resins; 10 ~ 40 parts of nano-graphites; 20 ~ 50 parts of halogen-free flame retardantss; 2 ~ 15 parts of nanometer alpha zirconium phosphates; 1 ~ 3 part of silane coupling agent; 0.1 ~ 2 part, oxidation inhibitor; 0.1 ~ 2 part of lubricant.
An anti-static halogen-free flame-retardant nylon engineering plastic preparation method, comprises the steps:
A) according to the ratio of required weight fraction, take various raw materials, then by polyamide resin dry 8 ~ 12h at 90 ~ 100 ℃;
B) dried polyamide resin in a step is joined in high-speed mixer, then add silane coupling agent in mixing machine, high-speed stirring 2 ~ 4min;
C) and then by nano-graphite, halogen-free flame retardants, nanometer alpha zirconium phosphate and processing aid etc. add mixing machine stirring at low speed 3 ~ 5min, raw material is mixed;
D) raw material after mixing is joined to twin screw extruder hopper, at 240 ~ 270 ℃ of extruding pelletizations, make anti-static halogen-free flame-retardant nylon engineering plastic, for injection moulding
In the present invention, first allow silane coupling agent be coated on polyamide resin surface, and then mixing add nanometer alpha zirconium phosphate, nano-graphite; Utilize silane coupling agent can make that nanometer alpha zirconium phosphate, nano-graphite are better and polyamide resin is evenly compound.
The present invention has following beneficial effect:
The present invention adopts the method for a twin-screw extrusion melt blending, by adding nano-graphite, given the good antistatic effect of polyamide resin, add diethyl hypophosphite based flame retardant to realize the halogen-free flameproof of polyamide resin, add nanometer alpha zirconium phosphate particle cooperative to strengthen fire-retardant simultaneously.The inorganic particulate with laminate structure of a kind of synthetic of alpha zirconium phosphate, has fixing veneer structure and larger specific surface area, and good thermostability; Itself and polymeric amide consistency are good in the present invention; not only improved the physical strength of polyamide compoiste material; thereby in combustion processes, also contribute to the protection charcoal layer that forms iris action to play good fire retardation, can reduce the addition of halogen-free flame retardants, improved the over-all properties of material.
Embodiment
Below in conjunction with embodiment, the present invention will be described in detail, and embodiment is only the preferred embodiment of the present invention, is not limitation of the invention.
embodiment 1
10 kg PA6 resins are added to mixing machine high-speed stirring 2 min with 0.04 kg silane coupling agent after dry 8 h under 100 ℃ of conditions; Then to mixing machine, add nano-graphite 3 kg, halogen-free flame retardants 4 kg, nanometer alpha zirconium phosphate 0.2 kg and other auxiliary agent 0.1 kg, stirring at low speed 4 min; Then compound is added in twin-screw extrusion owner feeding hopper, at temperature 240-260 ℃ extruding pelletization, makes anti-static halogen-free flame-retardant nylon 6 engineering plastic.
These plastics are made to standard testing batten by injection moulding, test antistatic property energy, mechanical property, thermal characteristics and flame retardant properties etc.
embodiment 2
11 kg PA66 resins are added to mixing machine high-speed stirring 2 min with 0.04 kg silane coupling agent after dry 8 h under 100 ℃ of conditions; Then to mixing machine, add nano-graphite 1.5 kg, halogen-free flame retardants 4 kg, nanometer alpha zirconium phosphate 1.5 kg and other auxiliary agent 0.1 kg, stirring at low speed 4 min; Then compound is added in twin-screw extrusion owner feeding hopper, at temperature 260-280 ℃ extruding pelletization, makes anti-static halogen-free flame-retardant nylon 66 engineering plastics.
These plastics are made to standard testing batten by injection moulding, test antistatic property energy, mechanical property, thermal characteristics and flame retardant properties etc.
embodiment 3
8.5kg PA6 resin is added to mixing machine high-speed stirring 2 min with 0.04 kg silane coupling agent after dry 8 h under 100 ℃ of conditions; Then to mixing machine, add nano-graphite 2.5kg, halogen-free flame retardants 3 kg, nanometer alpha zirconium phosphate 1 kg and other auxiliary agent 0.1 kg, stirring at low speed 4 min; Then compound is added in twin-screw extrusion owner feeding hopper, at temperature 240-260 ℃ extruding pelletization, makes anti-static halogen-free flame-retardant nylon 6 engineering plastic.
These plastics are made to standard testing batten by injection moulding, test antistatic property energy, mechanical property, thermal characteristics and flame retardant properties etc.
comparative example 1
10 kg PA6 resins are added to mixing machine high-speed stirring 2 min with 0.04 kg silane coupling agent after dry 8 h under 100 ℃ of conditions; Then to mixing machine, add nano-graphite 3 kg, halogen-free flame retardants 4 kg and other auxiliary agent 0.1 kg, stirring at low speed 4 min; Then compound is added in twin-screw extrusion owner feeding hopper, at temperature 240-260 ℃ extruding pelletization, makes anti-static halogen-free flame-retardant nylon engineering plastic.
These plastics are made to standard testing batten by injection moulding, test antistatic property energy, mechanical property, thermal characteristics and flame retardant properties etc.
comparative example 2
10 kg PA6 resins are added to mixing machine high-speed stirring 2 min after dry 8 h under 100 ℃ of conditions; Then to mixing machine, add nano-graphite 3 kg, halogen-free flame retardants 4 kg, nanometer alpha zirconium phosphate 0.2 kg and other auxiliary agent 0.1 kg, stirring at low speed 4 min; Then compound is added in twin-screw extrusion owner feeding hopper, at temperature 240-260 ℃ extruding pelletization, makes anti-static halogen-free flame-retardant nylon engineering plastic.
These plastics are made to standard testing batten by injection moulding, test antistatic property energy, mechanical property, thermal characteristics and flame retardant properties etc.
Properties test data is listed in table one
Table one
As can be known from the above table, utilize silane coupling agent can make nanometer alpha zirconium phosphate, nano-graphite better evenly compound with polyamide resin after, make the engineering plastics of finished product there are better flame retardant properties and other performances.
The above embodiment has only expressed embodiments of the present invention; it describes comparatively concrete and detailed; but can not therefore be interpreted as the restriction to the scope of the claims of the present invention; as long as employing is equal to the technical scheme that the form of replacement or equivalent transformation obtains, within all should dropping on protection scope of the present invention.
Claims (8)
1. an anti-static halogen-free flame-retardant nylon engineering plastic, is characterized in that the component that comprises following parts by weight:
80 ~ 120 parts of polyamide resins;
10 ~ 40 parts of nano-graphites;
20 ~ 50 parts of halogen-free flame retardantss;
2 ~ 15 parts of nanometer inorganic fillers;
0.1 ~ 3 part of silane coupling agent.
2. a kind of anti-static halogen-free flame-retardant nylon engineering plastic according to claim 1, is characterized in that described polyamide resin is at least one in PA6, PA66.
3. according to a kind of anti-static halogen-free flame-retardant nylon engineering plastic claimed in claim 1, it is characterized in that described halogen-free flame retardants is diethyl phosphinates based flame retardant.
4. according to a kind of anti-static halogen-free flame-retardant nylon engineering plastic described in claim 1 ~ 3 any one, it is characterized in that described nanometer inorganic filler is nanometer alpha zirconium phosphate.
5. a kind of anti-static halogen-free flame-retardant nylon engineering plastic according to claim 4, is characterized in that, according to parts by weight, also comprises 0 ~ 5 part of functional agent.
6. a kind of anti-static halogen-free flame-retardant nylon engineering plastic according to claim 5, is characterized in that, described functional agent is at least one in oxidation inhibitor, lubricant.
7. a kind of anti-static halogen-free flame-retardant nylon engineering plastic according to claim 6, is characterized in that being comprised of the component of following parts by weight:
80 ~ 120 parts of polyamide resins;
10 ~ 40 parts of nano-graphites;
20 ~ 50 parts of halogen-free flame retardantss;
2 ~ 15 parts of nanometer alpha zirconium phosphates;
1 ~ 3 part of silane coupling agent;
0.1 ~ 2 part, oxidation inhibitor;
0.1 ~ 2 part of lubricant.
8. an a kind of anti-static halogen-free flame-retardant nylon engineering plastic preparation method claimed in claim 7, is characterized in that comprising the steps:
A) according to the ratio of required weight fraction, take various raw materials, then by polyamide resin dry 8 ~ 12h at 90 ~ 100 ℃;
B) dried polyamide resin in a step is joined in high-speed mixer, then add silane coupling agent in mixing machine, high-speed stirring 2 ~ 4min;
C) and then by nano-graphite, halogen-free flame retardants, nanometer alpha zirconium phosphate and processing aid etc. add mixing machine stirring at low speed 3 ~ 5min, raw material is mixed;
D) raw material after mixing is joined to twin screw extruder hopper, at 240 ~ 270 ℃ of extruding pelletizations, make anti-static halogen-free flame-retardant nylon engineering plastic, for injection moulding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410251923.4A CN103980700A (en) | 2014-06-09 | 2014-06-09 | Antistatic halogen-free flame-retardant nylon engineering plastic and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107418126A (en) * | 2017-05-16 | 2017-12-01 | 江苏鼎启忠华新材料科技有限公司 | Electric wire wear-resisting high-flame-retardanthalogen-free halogen-free flame-retardant thermoplastic elastomer composition and preparation method thereof |
| CN107573952A (en) * | 2017-09-14 | 2018-01-12 | 绵竹耀隆化工有限公司 | A kind of basic zirconium phosphate fire retardant combination and preparation method thereof |
| CN108003608A (en) * | 2017-12-25 | 2018-05-08 | 桐城市祥泰塑业有限公司 | A kind of hard nylon material and preparation method thereof |
| CN108178923A (en) * | 2018-02-01 | 2018-06-19 | 南方科技大学 | A kind of nylon fiber master batch of modification and the modification of nylon fiber using its preparation |
| CN108752834A (en) * | 2018-05-29 | 2018-11-06 | 项赛飞 | A kind of high intensity charging pile cable thermoplastic elastomer (TPE) and preparation method thereof |
| CN109575629A (en) * | 2018-10-29 | 2019-04-05 | 胡果青 | A kind of preparation method of nano material composite flame-proof engineering plastics |
| CN110283453A (en) * | 2019-07-17 | 2019-09-27 | 北京化工大学 | The formula of 6 composite material of antistatic nylon designs and preparation method |
| CN110591341A (en) * | 2019-10-09 | 2019-12-20 | 江苏万纳普新材料科技有限公司 | Special halogen-free flame-retardant synergistic functional master batch for nylon resin modification and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107418126A (en) * | 2017-05-16 | 2017-12-01 | 江苏鼎启忠华新材料科技有限公司 | Electric wire wear-resisting high-flame-retardanthalogen-free halogen-free flame-retardant thermoplastic elastomer composition and preparation method thereof |
| CN107418126B (en) * | 2017-05-16 | 2019-09-03 | 江苏鼎启忠华新材料科技有限公司 | Wire and cable wear-resisting high-flame-retardanthalogen-free halogen-free flame-retardant thermoplastic elastomer composition and preparation method thereof |
| CN107573952A (en) * | 2017-09-14 | 2018-01-12 | 绵竹耀隆化工有限公司 | A kind of basic zirconium phosphate fire retardant combination and preparation method thereof |
| CN108003608A (en) * | 2017-12-25 | 2018-05-08 | 桐城市祥泰塑业有限公司 | A kind of hard nylon material and preparation method thereof |
| CN108178923A (en) * | 2018-02-01 | 2018-06-19 | 南方科技大学 | A kind of nylon fiber master batch of modification and the modification of nylon fiber using its preparation |
| CN108752834A (en) * | 2018-05-29 | 2018-11-06 | 项赛飞 | A kind of high intensity charging pile cable thermoplastic elastomer (TPE) and preparation method thereof |
| CN109575629A (en) * | 2018-10-29 | 2019-04-05 | 胡果青 | A kind of preparation method of nano material composite flame-proof engineering plastics |
| CN110283453A (en) * | 2019-07-17 | 2019-09-27 | 北京化工大学 | The formula of 6 composite material of antistatic nylon designs and preparation method |
| CN110591341A (en) * | 2019-10-09 | 2019-12-20 | 江苏万纳普新材料科技有限公司 | Special halogen-free flame-retardant synergistic functional master batch for nylon resin modification and preparation method thereof |
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Application publication date: 20140813 |