CN104151818A - Preparation method of flame-retardant nylon PA6 modified engineering plastic - Google Patents
Preparation method of flame-retardant nylon PA6 modified engineering plastic Download PDFInfo
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- CN104151818A CN104151818A CN201410407808.1A CN201410407808A CN104151818A CN 104151818 A CN104151818 A CN 104151818A CN 201410407808 A CN201410407808 A CN 201410407808A CN 104151818 A CN104151818 A CN 104151818A
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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
- C08K13/02—Organic and 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
- C08K3/18—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
- C08K3/32—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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—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
- C08K3/18—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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
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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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- 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)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention provides a preparation method of a flame-retardant nylon PA6 modified engineering plastic, which comprises the following steps: 1)preparing the raw materials according to following ratio: 60-70 parts of nylon slice PA6, 10-20 parts of magnesium hydroxide-ammonium polyphosphate fire retardant, 10-20 parts of wollastonite, 0.5-1.5 parts of coupling agent, 0.5-1.5 parts of anti-oxidant and 0.5-1.5 parts 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 flame-retardant nylon PA6 modified engineering plastic has the characteristics of excellent flame resistance and high impact resistance, high rigidity grade, low water absorption, good fluidity, smooth surface and easy processing and moulding. The flame-retardant nylon PA6 modified engineering plastic can be used for switches, socket connectors, fuse box, military industry and dynamo-electric products.
Description
Technical field
The preparation method who the present invention relates to a kind of fire-retardant nylon PA6 modified engineered plastic, belongs 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 of fire-retardant nylon PA6 modified engineered plastic is provided.
The preparation method of fire-retardant nylon PA6 modified engineered plastic of the present invention, comprises the following steps:
1) according to following proportioning, prepare raw material: nylon chips PA6 60-70 weight part, magnesium hydroxide-ammonium polyphosphate flame retardant 10-20 weight part, wollastonite 10-20 weight part, coupling agent 0.5-1.5 weight part, oxidation inhibitor 0.5-1.5 weight part, lubricant 0.5-1.5 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 PA6 65 weight parts, magnesium hydroxide-ammonium polyphosphate flame retardant 15 weight parts, wollastonite 15 weight parts, coupling agent 1 weight part, oxidation inhibitor 1 weight part, lubricant 1 weight part.
The present invention has following technique effect: the fire-retardant nylon PA6 modified engineered plastic of preparation has good flame retardant resistance and erosion-resisting characteristics, high rigidity grade, low water absorbable, good fluidity, any surface finish, the characteristics such as easy processing.Can be used for processing switch, connector, fuse unit, coil rack, military project and electronic product.
Embodiment
embodiment 1prepare fire-retardant nylon PA6 modified engineered plastic
The preparation method of the fire-retardant nylon PA6 modified engineered plastic of the present embodiment, comprises the following steps:
1) according to following proportioning, prepare raw material: nylon chips PA6 70 weight parts, magnesium hydroxide-ammonium polyphosphate flame retardant 20 weight parts, wollastonite 10 weight parts, coupling agent 0.5 weight part, oxidation inhibitor 1.5 weight parts, lubricant 1.5 weight parts, add in high-speed mixer and mix;
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 2prepare fire-retardant nylon PA6 modified engineered plastic
The preparation method of the fire-retardant nylon PA6 modified engineered plastic of the present embodiment, comprises the following steps:
1) according to following proportioning, prepare raw material: nylon chips PA6 60 weight parts, magnesium hydroxide-ammonium polyphosphate flame retardant 10 weight parts, wollastonite 20 weight parts, coupling agent 1.5 weight parts, oxidation inhibitor 0.5 weight part, lubricant 0.5 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 3prepare fire-retardant nylon PA6 modified engineered plastic
The preparation method of the fire-retardant nylon PA6 modified engineered plastic of the present embodiment, comprises the following steps:
1) according to following proportioning, prepare raw material: nylon chips PA6 65 weight parts, magnesium hydroxide-ammonium polyphosphate flame retardant 15 weight parts, wollastonite 15 weight parts, coupling agent 1 weight part, oxidation inhibitor 1 weight part, lubricant 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 for fire-retardant nylon PA6 modified engineered plastic, is characterized in that, comprises the following steps:
1) according to following proportioning, prepare raw material: nylon chips PA6 60-70 weight part, magnesium hydroxide-ammonium polyphosphate flame retardant 10-20 weight part, wollastonite 10-20 weight part, coupling agent 0.5-1.5 weight part, oxidation inhibitor 0.5-1.5 weight part, lubricant 0.5-1.5 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 fire-retardant nylon PA6 modified engineered plastic according to claim 1, it is characterized in that, described raw material comprises following ingredients: nylon chips PA6 65 weight parts, magnesium hydroxide-ammonium polyphosphate flame retardant 15 weight parts, wollastonite 15 weight parts, coupling agent 1 weight part, oxidation inhibitor 1 weight part, lubricant 1 weight part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410407808.1A CN104151818A (en) | 2014-08-19 | 2014-08-19 | Preparation method of flame-retardant nylon PA6 modified engineering plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410407808.1A CN104151818A (en) | 2014-08-19 | 2014-08-19 | Preparation method of flame-retardant nylon PA6 modified engineering plastic |
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| CN104151818A true CN104151818A (en) | 2014-11-19 |
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| CN201410407808.1A Pending CN104151818A (en) | 2014-08-19 | 2014-08-19 | Preparation method of flame-retardant nylon PA6 modified engineering plastic |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106883602A (en) * | 2017-03-28 | 2017-06-23 | 昕亮科技（深圳）有限公司 | High fusion index long glass fiber reinforced PA6 plastics and preparation method thereof |
| CN109354865A (en) * | 2018-11-13 | 2019-02-19 | 曹佳男 | A kind of high fire-retardance high abrasion plastic pellet and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005029628A (en) * | 2003-07-09 | 2005-02-03 | Idemitsu Petrochem Co Ltd | Flame-retardant polyolefin resin composition and its molded article |
| CN101210079A (en) * | 2006-12-31 | 2008-07-02 | 大连亚泰科技新材料有限公司 | Mg(OH)2 inorganic anti-flaming material and its preparing method and application |
| CN101812231A (en) * | 2010-04-16 | 2010-08-25 | 北京化工大学 | Halogen free flame retardant nylon 6 composite with high CTI value and preparation method thereof |
| CN102276899A (en) * | 2011-07-18 | 2011-12-14 | 武汉钢铁(集团)公司 | Magnesium hydroxide flame-retardant composite material and preparation method thereof |
| CN103044901A (en) * | 2012-12-17 | 2013-04-17 | 株洲时代新材料科技股份有限公司 | High-fluidity halogen-free flame retardant reinforced nylon composite material and preparation method thereof |
-
2014
- 2014-08-19 CN CN201410407808.1A patent/CN104151818A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005029628A (en) * | 2003-07-09 | 2005-02-03 | Idemitsu Petrochem Co Ltd | Flame-retardant polyolefin resin composition and its molded article |
| CN101210079A (en) * | 2006-12-31 | 2008-07-02 | 大连亚泰科技新材料有限公司 | Mg(OH)2 inorganic anti-flaming material and its preparing method and application |
| CN101812231A (en) * | 2010-04-16 | 2010-08-25 | 北京化工大学 | Halogen free flame retardant nylon 6 composite with high CTI value and preparation method thereof |
| CN102276899A (en) * | 2011-07-18 | 2011-12-14 | 武汉钢铁(集团)公司 | Magnesium hydroxide flame-retardant composite material and preparation method thereof |
| CN103044901A (en) * | 2012-12-17 | 2013-04-17 | 株洲时代新材料科技股份有限公司 | High-fluidity halogen-free flame retardant reinforced nylon composite material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106883602A (en) * | 2017-03-28 | 2017-06-23 | 昕亮科技（深圳）有限公司 | High fusion index long glass fiber reinforced PA6 plastics and preparation method thereof |
| CN106883602B (en) * | 2017-03-28 | 2019-04-30 | 宇豪(马鞍山)科技有限公司 | High fusion index long glass fiber reinforced PA6 plastics and preparation method thereof |
| CN109354865A (en) * | 2018-11-13 | 2019-02-19 | 曹佳男 | A kind of high fire-retardance high abrasion plastic pellet and preparation method thereof |
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Application publication date: 20141119 |