CN104151820A - Preparation method of enhanced flame-retardant nylon PA66 modified engineering plastic - Google Patents
Preparation method of enhanced flame-retardant nylon PA66 modified engineering plastic Download PDFInfo
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- CN104151820A CN104151820A CN201410407724.8A CN201410407724A CN104151820A CN 104151820 A CN104151820 A CN 104151820A CN 201410407724 A CN201410407724 A CN 201410407724A CN 104151820 A CN104151820 A CN 104151820A
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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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
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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
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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
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
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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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/08—Oxygen-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
- C08K2003/026—Phosphorus
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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
- 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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention provides a preparation method of an enhanced flame-retardant nylon PA66 modified engineering plastic, which comprises the following steps: 1) preparing the raw materials according to following ratio: 65-75 parts of nylon slice PA66, 20-30 parts of carbon fiber, 10-20 parts of nano silica, 10-20 parts of magnesium hydroxide whisker, 10-20 parts of red phosphorus, 0.5-1 part of coupling agent, 0.5-1 part of anti-oxidant and 0.5-1 part of lubricant, adding in a high speed mixer for uniformly mixing; and 2)sending a mixture into a double screw extruder for performing melt blending, extruding, bracing, cooling in water, granulating and drying to obtain the finished product. The preparation method comprises the following technical effects that the enhanced flame-retardant nylon PA66 modified engineering plastic has excellent flame resistance, wear resistance, self lubricity, chemical corrosion-resistance and flow workability, can greatly reduce the water absorption of the raw materials, and can increase size stability, and has the characteristics of high mechanical strength, high temperature resistance, good electrical performance and stress crack resistance.
Description
Technical field
the present invention relates to a kind of preparation method who strengthens fire-retardant nylon PA66 modified engineered plastic, belong to modified engineered plastic technical field.
Background technology
Engineering plastics refer to that tensile strength is more than 50MPa, and modulus in flexure is more than 2GPa, and shock strength is more than 60J/m, and life-time service temperature is more than 100 degrees Celsius, for the plastics of the industries such as automobile, machinery, electronic apparatus.
Modified engineered plastic, refers on the basis of general-purpose plastics and engineering plastics, through method processing such as filling, blend, enhancings, has improved the plastics of the performance of the aspects such as flame retardant resistance, intensity, shock resistance, toughness.Common plastics often have it self characteristic and defect, and modified plastics changes character to plastics exactly, and basic technology comprises: 1, strengthen: by glass fibre etc. with plastic blend to increase the physical strength of plastics.2, fill: by the weighting materials such as mineral and plastic blend, the character such as shrinking percentage, hardness, intensity of plastics are changed.3, toughness reinforcing: by add toughner blend to improve the toughness of plastics, the product after toughening modifying: rail pad to common plastics.4, fire-retardant: add fire retardant to common plastics resin the inside, can make plastics have flame-retarding characteristic, fire retardant can be a kind of compound system of or several fire retardants, as bromine+antimony system, phosphorus system, nitrogen system, silicon system, and other inorganic fire-retarded systems.5, cold-resistant: to increase plastics intensity and toughness at low temperatures, the general intrinsic at low temperatures low temperature brittleness of plastics, makes to apply in low temperature environment limited, need to add some low temperature resistant toughner and change plastics fragility at low temperatures, such as plastics such as bumpers, general requirement is cold-resistant.
PA is as maximum most important kind in engineering plastics, there is very strong vitality, mainly be to realize high performance after its modification, next is that the industries self such as automobile, electrical equipment, telecommunication, electronics, machinery are more and more stronger to the high performance requirement of product, related industries develop rapidly, promoted the process of engineering plastics high performances, made it play the part of more and more important role.Flourish along with the industry such as domestic automobile electric and electronic, people are more and more higher to the requirement of material, and the demand of modified engineered plastic will significantly rise, more and more higher to the intensity of modified engineered plastic and the performance requriements such as fire-retardant.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, a kind of preparation method who strengthens fire-retardant nylon PA66 modified engineered plastic is provided.
The preparation method of enhancing fire-retardant nylon PA66 modified engineered plastic of the present invention, comprises the following steps:
1) according to following proportioning, prepare raw material: nylon chips PA66 65-75 weight part, carbon fiber 20-30 weight part, nano silicon 10-20 weight part, magnesium hydroxide crystal whisker 10-20 weight part, red phosphorus 10-20 weight part, coupling agent 0.5-1 weight part, oxidation inhibitor 0.5-1 weight part, lubricant 0.5-1 weight part, adds in high-speed mixer and mixes;
2) melt extrude: by compound send into that twin screw extruder carries out that melt blending is extruded, tie rod, water-cooled, pelletizing, dry, get product.
Preferably,
Described raw material comprises following ingredients: nylon chips PA66 70 weight parts, carbon fiber 25 weight parts, nano silicon 15 weight parts, magnesium hydroxide crystal whisker 15 weight parts, red phosphorus 15 weight parts, coupling agent 0.7 weight part, oxidation inhibitor 0.8 weight part, lubricant 0.8 weight part.
The present invention has following technique effect: the enhancing flame-retardant PA 66 of preparation has excellent flame retardant resistance, wear-resisting, self lubricity, chemical resistance and flow processability. also greatly reduce the water-absorbent of raw material, improve the features such as dimensional stability, the strong high strength of machinery, high-temperature resistant, good electric property, stress cracking resistance.Main application coil rack, junctor, rly., automobile component, socket, illuminating equipment, phone, electric equipment products, connection terminal, electric power tool shell and other electric product etc.
Embodiment
embodiment 1preparation strengthens fire-retardant nylon PA66 modified engineered plastic
The preparation method of the enhancing fire-retardant nylon PA66 modified engineered plastic of the present embodiment, comprises the following steps:
1) according to following proportioning, prepare raw material: nylon chips PA66 65-75 weight part, carbon fiber 20-30 weight part, nano silicon 10-20 weight part, magnesium hydroxide crystal whisker 10-20 weight part, red phosphorus 10-20 weight part, coupling agent 0.5-1 weight part, oxidation inhibitor 0.5-1 weight part, lubricant 0.5-1 weight part, adds in high-speed mixer and mixes;
2) melt extrude: by compound send into that twin screw extruder carries out that melt blending is extruded, tie rod, water-cooled, pelletizing, dry, get product.
embodiment 2preparation strengthens fire-retardant nylon PA66 modified engineered plastic
The preparation method of the enhancing fire-retardant nylon PA66 modified engineered plastic of the present embodiment, comprises the following steps:
1) according to following proportioning, prepare raw material: nylon chips PA66 65-75 weight part, carbon fiber 20-30 weight part, nano silicon 10-20 weight part, magnesium hydroxide crystal whisker 10-20 weight part, red phosphorus 10-20 weight part, coupling agent 0.5-1 weight part, oxidation inhibitor 0.5-1 weight part, lubricant 0.5-1 weight part, adds in high-speed mixer and mixes;
2) melt extrude: by compound send into that twin screw extruder carries out that melt blending is extruded, tie rod, water-cooled, pelletizing, dry, get product.
embodiment 3preparation strengthens fire-retardant nylon PA66 modified engineered plastic
The preparation method of the enhancing fire-retardant nylon PA66 modified engineered plastic of the present embodiment, comprises the following steps:
1) according to following proportioning, prepare raw material: nylon chips PA66 65-75 weight part, carbon fiber 20-30 weight part, nano silicon 10-20 weight part, magnesium hydroxide crystal whisker 10-20 weight part, red phosphorus 10-20 weight part, coupling agent 0.5-1 weight part, oxidation inhibitor 0.5-1 weight part, lubricant 0.5-1 weight part, adds in high-speed mixer and mixes;
2) melt extrude: by compound send into that twin screw extruder carries out that melt blending is extruded, tie rod, water-cooled, pelletizing, dry, get product.
Claims (2)
1. a preparation method who strengthens fire-retardant nylon PA66 modified engineered plastic, is characterized in that, comprises the following steps:
1) according to following proportioning, prepare raw material: nylon chips PA66 65-75 weight part, carbon fiber 20-30 weight part, nano silicon 10-20 weight part, magnesium hydroxide crystal whisker 10-20 weight part, red phosphorus 10-20 weight part, coupling agent 0.5-1 weight part, oxidation inhibitor 0.5-1 weight part, lubricant 0.5-1 weight part, adds in high-speed mixer and mixes;
2) melt extrude: by compound send into that twin screw extruder carries out that melt blending is extruded, tie rod, water-cooled, pelletizing, dry, get product.
2. the preparation method of enhancing fire-retardant nylon PA66 modified engineered plastic according to claim 1, it is characterized in that, described raw material comprises following ingredients: nylon chips PA66 70 weight parts, carbon fiber 25 weight parts, nano silicon 15 weight parts, magnesium hydroxide crystal whisker 15 weight parts, red phosphorus 15 weight parts, coupling agent 0.7 weight part, oxidation inhibitor 0.8 weight part, lubricant 0.8 weight part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410407724.8A CN104151820A (en) | 2014-08-19 | 2014-08-19 | Preparation method of enhanced flame-retardant nylon PA66 modified engineering plastic |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410407724.8A CN104151820A (en) | 2014-08-19 | 2014-08-19 | Preparation method of enhanced flame-retardant nylon PA66 modified engineering plastic |
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| CN104151820A true CN104151820A (en) | 2014-11-19 |
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| CN201410407724.8A Pending CN104151820A (en) | 2014-08-19 | 2014-08-19 | Preparation method of enhanced flame-retardant nylon PA66 modified engineering plastic |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106589926A (en) * | 2016-11-04 | 2017-04-26 | 马鞍山市华能电力线路器材有限责任公司 | Carbon-fiber-reinforced flame-retarding PA66/PP electric power fittings material containing modified Mg(OH)2 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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5876451A (en) * | 1981-11-02 | 1983-05-09 | Mitsubishi Rayon Co Ltd | Improved polyamide resin composition |
| CN101139462A (en) * | 2007-10-09 | 2008-03-12 | 佛山市顺德区高怡新塑料有限公司 | Carbon fiber reinforcement non-bittern flame-proof nylon 66 and preparation method thereof |
| KR100828654B1 (en) * | 2006-04-13 | 2008-05-09 | 주식회사 코오롱 | The hybrid polyamide resin composition for engine cover |
| CN101942193A (en) * | 2009-07-10 | 2011-01-12 | 合肥杰事杰新材料有限公司 | Whisker-enhanced nylon composite |
| CN103756308A (en) * | 2013-12-27 | 2014-04-30 | 吴江市东泰电力特种开关有限公司 | Inflaming retarding wear-resisting nylon composite material and preparation method thereof |
| CN103804897A (en) * | 2014-02-14 | 2014-05-21 | 张家港大塚化学有限公司 | Engineering plastic |
-
2014
- 2014-08-19 CN CN201410407724.8A patent/CN104151820A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5876451A (en) * | 1981-11-02 | 1983-05-09 | Mitsubishi Rayon Co Ltd | Improved polyamide resin composition |
| KR100828654B1 (en) * | 2006-04-13 | 2008-05-09 | 주식회사 코오롱 | The hybrid polyamide resin composition for engine cover |
| CN101139462A (en) * | 2007-10-09 | 2008-03-12 | 佛山市顺德区高怡新塑料有限公司 | Carbon fiber reinforcement non-bittern flame-proof nylon 66 and preparation method thereof |
| CN101942193A (en) * | 2009-07-10 | 2011-01-12 | 合肥杰事杰新材料有限公司 | Whisker-enhanced nylon composite |
| CN103756308A (en) * | 2013-12-27 | 2014-04-30 | 吴江市东泰电力特种开关有限公司 | Inflaming retarding wear-resisting nylon composite material and preparation method thereof |
| CN103804897A (en) * | 2014-02-14 | 2014-05-21 | 张家港大塚化学有限公司 | Engineering plastic |
Non-Patent Citations (1)
| Title |
|---|
| 吕家桢等: ""钛酸钾晶须增强尼龙66 时的偶联与造粒"", 《南京化工大学学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106589926A (en) * | 2016-11-04 | 2017-04-26 | 马鞍山市华能电力线路器材有限责任公司 | Carbon-fiber-reinforced flame-retarding PA66/PP electric power fittings material containing modified Mg(OH)2 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 |
| CN109836813B (en) * | 2019-01-11 | 2021-09-03 | 公牛集团股份有限公司 | Nylon 6 composite material and preparation method thereof |
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Application publication date: 20141119 |