CN104910618A - Anti-static and halogen-free flame-retardant PA66 composition and preparation method thereof - Google Patents

Anti-static and halogen-free flame-retardant PA66 composition and preparation method thereof Download PDF

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Publication number
CN104910618A
CN104910618A CN201510288558.9A CN201510288558A CN104910618A CN 104910618 A CN104910618 A CN 104910618A CN 201510288558 A CN201510288558 A CN 201510288558A CN 104910618 A CN104910618 A CN 104910618A
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parts
free flame
retardant
halogen
static
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翟红波
杨振枢
韦洪屹
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Suzhou Polymer New Materials Technology Co Ltd
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Suzhou Polymer New Materials Technology Co Ltd
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Publication of CN104910618A publication Critical patent/CN104910618A/en
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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
    • 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
    • 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
    • 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
    • C08K5/04—Oxygen-containing compounds
    • C08K5/13—Phenols; Phenolates
    • C08K5/134—Phenols containing ester groups
    • C08K5/1345—Carboxylic esters of phenolcarboxylic acids
    • 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
    • C08K5/52—Phosphorus bound to oxygen only
    • C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
    • C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
    • 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
    • C08K5/541—Silicon-containing compounds containing oxygen
    • C08K5/5425—Silicon-containing compounds containing oxygen containing at least one C=C bond
    • 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
    • C08K5/541—Silicon-containing compounds containing oxygen
    • C08K5/5435—Silicon-containing compounds containing oxygen containing oxygen in a ring
    • 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
    • C08K5/544—Silicon-containing compounds containing nitrogen
    • 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
    • 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
    • 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
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • 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
    • 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
    • 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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  • 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)

Abstract

The invention relates to an anti-static and halogen-free flame-retardant PA66 composition and a preparation method thereof, and belongs to the field of macromolecular materials and engineering plastics. The anti-static and halogen-free flame-retardant PA66 composition comprises the following raw materials in parts by mass: 60-80 parts of PA66, 10-20 parts of silicon carbide fibres, 10-20 parts of a halogen-free flame-retardant agent, 5-15 parts of an inorganic filler, 1-3 parts of an antioxidant, 1-3 parts of a lubricant and 1-5 parts of a coupler. The preparation method comprises the following steps: adding the raw materials in a high-speed mixing machine in proportion and uniformly mixing, and then extruding and granulating through a double-screw extruder. The PA66 composition disclosed by the invention is good in anti-static performance, flame-retardant performance and mechanical performance, and wide in application; the preparation method disclosed by the invention is simple and practicable, and relatively low in requirements on equipment.

Description

A kind of anti-static halogen-free flame-retardant PA66 composition and method of making the same
Technical field
The invention belongs to macromolecular material engineering plastics field, be specifically related to a kind of anti-static halogen-free flame-retardant PA66 composition and method of making the same.
Background technology
Nylon66 fiber and polyhexamethylene adipamide, formed by hexanediamine and hexanodioic acid polycondensation, industry is called for short PA66, a kind of broad-spectrum engineering plastics, there is good wear resistance, thermotolerance, oil-proofness and chemical-resistant, and have excellent mechanical property, be widely used in machinery, automobile and field of electronics.
In electronic component manufacture, the operations such as transmission are the infringement preventing electrostatic breakdown from causing electronic component, need to use anlistatig plastics; In automobile making, fuel tank oil pipe causes fire for preventing electrostatic, and its plastic paste used needs to carry out antistatic treatment more; This external electromagnetic shielding aspect also uses conductive plastics in a large number.Utilize nylon66 fiber to prepare Conductive Antistatic Materials and will add filler, customary filler is 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 add-on is large, and the mechanical property of materials can be made to decline, and requires also high to processing units, and Comparatively speaking, carbon conductive filler advantage is larger.Along with the development of nanotechnology, also more and more concerned based on the applied research of nano material in engineering plastics.
Summary of the invention
The object of the invention is to provide a kind of anti-static halogen-free flame-retardant PA66 composition and method of making the same, said composition has antistatic property, flame retardant properties and good mechanical property.
The technical solution used in the present invention is as follows:
A kind of anti-static halogen-free flame-retardant PA66 composition, comprises the following raw material according to mass fraction meter: PA6660-80 part, silicon carbide fiber 10-20 part, halogen-free flame retardants 10-20 part, mineral filler 5-15 part, oxidation inhibitor 1-3 part, lubricant 1-3 part, coupling agent 1-5 part.
Above-described a kind of anti-static halogen-free flame-retardant PA66 composition, comprises the following raw material according to mass fraction meter: PA6675 part, silicon carbide fiber 12 parts, halogen-free flame retardants 15 parts, mineral filler 10 parts, 1.2 parts, oxidation inhibitor, lubricant 1.2 parts, coupling agent 2 parts.
Further, described halogen-free flame retardants is the mixture that graphite and phosphorus compound are formed with mass ratio 1:1.
Further, described mineral filler is nano level silica flour.
Further, described oxidation inhibitor is antioxidant 1010 or irgasfos 168.
Further, described coupling agent is KH550, KH560, KH570 or KH792.
The preparation method of above-described a kind of anti-static halogen-free flame-retardant PA66 composition, step is: join in high-speed mixer according to proportioning by each raw material, stirring 10min with 400r/min rotating speed makes it mix, after mixture is carried out extruding pelletization through twin screw, forcing machine each section of temperature controls at 240 DEG C, screw speed is 300r/min, obtains described anti-static halogen-free flame-retardant PA66 composition.
Beneficial effect of the present invention is:
The first, PA66 composition of the present invention has antistatic property, flame retardant properties and good mechanical property, of many uses;
The second, the mixture that the halogen-free flame retardants that the present invention uses is formed with mass ratio 1:1 for graphite and phosphorus compound, can produce coordinative role, add and just can reach fire-retardant object on a small quantity;
3rd, preparation method of the present invention is simple, lower to equipment requirements.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, and the reagent used in the present invention is if no special instructions all by commercial acquisition.
Embodiment 1
A kind of anti-static halogen-free flame-retardant PA66 composition, comprise the following raw material according to mass fraction meter: PA6660 part, silicon carbide fiber 10 parts, halogen-free flame retardants 10 parts, nano level silica flour 5 parts, antioxidant 1010 1 part, lubricant 1 part, coupling agent KH5501 part, wherein said halogen-free flame retardants is the mixture that graphite and phosphorus compound are formed with mass ratio 1:1.
The preparation method of the present embodiment: each raw material is joined in high-speed mixer according to said ratio, stirring 10min with 400r/min rotating speed makes it mix, after mixture is carried out extruding pelletization through twin screw, forcing machine each section of temperature controls at 240 DEG C, screw speed is 300r/min, obtains described anti-static halogen-free flame-retardant PA66 composition.
Embodiment 2
A kind of anti-static halogen-free flame-retardant PA66 composition, comprise the following raw material according to mass fraction meter: PA6670 part, silicon carbide fiber 15 parts, halogen-free flame retardants 14 parts, nano level silica flour 8 parts, irgasfos 168 2 parts, lubricant 2 parts, coupling agent KH5603 part, wherein said halogen-free flame retardants is the mixture that graphite and phosphorus compound are formed with mass ratio 1:1.
The preparation method of the present embodiment: each raw material is joined in high-speed mixer according to said ratio, stirring 10min with 400r/min rotating speed makes it mix, after mixture is carried out extruding pelletization through twin screw, forcing machine each section of temperature controls at 240 DEG C, screw speed is 300r/min, obtains described anti-static halogen-free flame-retardant PA66 composition.
Embodiment 3
A kind of anti-static halogen-free flame-retardant PA66 composition, comprise the following raw material according to mass fraction meter: PA6675 part, silicon carbide fiber 12 parts, halogen-free flame retardants 15 parts, nano level silica flour 10 parts, antioxidant 1010 1.2 parts, lubricant 1.2 parts, coupling agent KH5702 part, wherein said halogen-free flame retardants is the mixture that graphite and phosphorus compound are formed with mass ratio 1:1.
The preparation method of the present embodiment: each raw material is joined in high-speed mixer according to said ratio, stirring 10min with 400r/min rotating speed makes it mix, after mixture is carried out extruding pelletization through twin screw, forcing machine each section of temperature controls at 240 DEG C, screw speed is 300r/min, obtains described anti-static halogen-free flame-retardant PA66 composition.
Embodiment 4
A kind of anti-static halogen-free flame-retardant PA66 composition, comprise the following raw material according to mass fraction meter: PA6680 part, silicon carbide fiber 20 parts, halogen-free flame retardants 20 parts, nano level silica flour 15 parts, irgasfos 168 3 parts, lubricant 3 parts, coupling agent KH7925 part, wherein said halogen-free flame retardants is the mixture that graphite and phosphorus compound are formed with mass ratio 1:1.
The preparation method of the present embodiment: each raw material is joined in high-speed mixer according to said ratio, stirring 10min with 400r/min rotating speed makes it mix, after mixture is carried out extruding pelletization through twin screw, forcing machine each section of temperature controls at 240 DEG C, screw speed is 300r/min, obtains described anti-static halogen-free flame-retardant PA66 composition.
Performance test
Carry out performance test to embodiment of the present invention 1-4 products obtained therefrom, test result is in table 1.
Table 1 product performance test data
Performance Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4
Tensile strength, MPa 76 73 83 78
Flexural strength, MPa 98 95 110 102
Heat-drawn wire, DEG C 240 230 250 245
Flame retardant resistance V 03～7s V 04～8s V 00～4s V 02～6s
Volume resistance, Ω .cm 10 8 10 8 10 8 10 8
Embodiment 1-4 products obtained therefrom all has excellent antistatic property, flame retardant properties and mechanical property as seen from the above table, and wherein embodiment 3 can be considered most preferred embodiment.

Claims (7)

1. an anti-static halogen-free flame-retardant PA66 composition, it is characterized in that, comprise the following raw material according to mass fraction meter: PA66 60-80 part, silicon carbide fiber 10-20 part, halogen-free flame retardants 10-20 part, mineral filler 5-15 part, oxidation inhibitor 1-3 part, lubricant 1-3 part, coupling agent 1-5 part.
2. a kind of anti-static halogen-free flame-retardant PA66 composition according to claim 1, it is characterized in that, comprise the following raw material according to mass fraction meter: PA66 75 parts, silicon carbide fiber 12 parts, halogen-free flame retardants 15 parts, mineral filler 10 parts, 1.2 parts, oxidation inhibitor, lubricant 1.2 parts, coupling agent 2 parts.
3. a kind of anti-static halogen-free flame-retardant PA66 composition according to claim 1 and 2, is characterized in that, described halogen-free flame retardants is the mixture that graphite and phosphorus compound are formed with mass ratio 1:1.
4. a kind of anti-static halogen-free flame-retardant PA66 composition according to claim 1 and 2, it is characterized in that, described mineral filler is nano level silica flour.
5. a kind of anti-static halogen-free flame-retardant PA66 composition according to claim 1 and 2, it is characterized in that, described oxidation inhibitor is antioxidant 1010 or irgasfos 168.
6. a kind of anti-static halogen-free flame-retardant PA66 composition according to claim 1 and 2, it is characterized in that, described coupling agent is KH550, KH560, KH570 or KH792.
7. the preparation method of a kind of anti-static halogen-free flame-retardant PA66 composition according to claim 1, it is characterized in that, step is: join in high-speed mixer according to proportioning by each raw material, stirring 10min with 400r/min rotating speed makes it mix, after mixture is carried out extruding pelletization through twin screw, forcing machine each section of temperature controls at 240 DEG C, and screw speed is 300r/min, obtains described anti-static halogen-free flame-retardant PA66 composition.
CN201510288558.9A 2015-05-29 2015-05-29 Anti-static and halogen-free flame-retardant PA66 composition and preparation method thereof Withdrawn CN104910618A (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN107216644A (en) * 2017-06-29 2017-09-29 苏州吉云新材料技术有限公司 A kind of fire-proof high-temperature resistant nylon composite materials

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Application publication date: 20150916