CN109456591A - A kind of Environmentally-frieflame-retardant flame-retardant nylon composition - Google Patents

A kind of Environmentally-frieflame-retardant flame-retardant nylon composition Download PDF

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Publication number
CN109456591A
CN109456591A CN201811026328.5A CN201811026328A CN109456591A CN 109456591 A CN109456591 A CN 109456591A CN 201811026328 A CN201811026328 A CN 201811026328A CN 109456591 A CN109456591 A CN 109456591A
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parts
retardant
nylon
fire
frieflame
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Pending
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CN201811026328.5A
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Chinese (zh)
Inventor
王中华
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Xuzhou Huatian Plastic Industry Co Ltd
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Xuzhou Huatian Plastic Industry Co Ltd
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Priority to CN201811026328.5A priority Critical patent/CN109456591A/en
Publication of CN109456591A publication Critical patent/CN109456591A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/04Ingredients characterised by their shape and organic or inorganic ingredients
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/32Phosphorus-containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/38Boron-containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/09Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/16Nitrogen-containing compounds
    • C08K5/34Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3477Six-membered rings
    • C08K5/3492Triazines
    • C08K5/34928Salts
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00Use of ingredients characterised by shape
    • C08K7/02Fibres or whiskers
    • C08K7/04Fibres or whiskers inorganic
    • C08K7/10Silicon-containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00Use of ingredients characterised by shape
    • C08K7/22Expanded, porous or hollow particles
    • C08K7/24Expanded, porous or hollow particles inorganic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2217Oxides; Hydroxides of metals of magnesium
    • C08K2003/222Magnesia, i.e. magnesium oxide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/32Phosphorus-containing compounds
    • C08K2003/321Phosphates
    • C08K2003/322Ammonium phosphate
    • C08K2003/323Ammonium polyphosphate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/38Boron-containing compounds
    • C08K2003/382Boron-containing compounds and nitrogen
    • C08K2003/385Binary compounds of nitrogen with boron
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/014Additives containing two or more different additives of the same subgroup in C08K
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant

Abstract

The invention discloses a kind of Environmentally-frieflame-retardant flame-retardant nylon compositions, the fire-resistant nylon composition is made of following components by mass fraction: 30-40 parts of nylon resin, 10-20 parts of stearic acid, 10-20 parts of ammonium polyphosphate, 5-10 parts of refractory fibre mixture, 2-5 parts of boron nitride, 2-5 parts of magnesia, 2-5 parts of expanded graphite, 1-3 parts of antioxidant, 1-3 parts of fire retardant, 1-3 parts of stabilizer.The invention has the beneficial effects that: it is easy to operate, low energy consumption, it is easy to industrialized production, thermally conductive nylon and extraneous energy exchange are improved, and environment-protecting and non-poisonous, is suitable for popularization and application.

Description

A kind of Environmentally-frieflame-retardant flame-retardant nylon composition
Technical field
The present invention relates to Polymer Synthesizing modification and manufacture fields, are specifically related to a kind of Environmentally-frieflame-retardant flame-retardant nylon combination Object.
Background technique
Its flame retardant property of non-modified nylon is poor, and vertical combustion can only achieve UL94V-2 grades, and oxygen index (OI) is 24 left The right side, and drippage is generated in combustion, belong to combustible material, easily causes fire in use.Especially in electricity Sub- product scope, the fire caused by nylon is countless, causes damages larger, therefore, becomes to the flame-retardant modified of nylon Current academia and industry pay close attention to the project with tackling key problem jointly.But nylon comprehensive performance in the prior art is poor, therefore promotes Using less extensively.
Summary of the invention
The object of the present invention is to provide a kind of Environmentally-frieflame-retardant flame-retardant nylon compositions, and the fire-resistant nylon composition is by following Component is formed by mass fraction: 30-40 parts of nylon resin, 10-20 parts of stearic acid, 10-20 parts of ammonium polyphosphate, refractory fibre is mixed 5-10 parts of material is closed, 2-5 parts of boron nitride, 2-5 parts of magnesia, 2-5 parts of expanded graphite, 1-3 parts of antioxidant, 1-3 parts of fire retardant, is stablized 1-3 parts of agent.
It is further preferred that the fire-resistant nylon composition is made of following components by mass fraction: nylon resin 30, 10 parts of stearic acid, 10 parts of ammonium polyphosphate, 5 parts of refractory fibre mixture, 2 parts of boron nitride, 2 parts of magnesia, 2 parts of expanded graphite, 1 part of antioxidant, 1 part of fire retardant, 1 part of stabilizer.
It is further preferred that the fire-resistant nylon composition is made of following components by mass fraction: nylon resin 35 Part, 15 parts of stearic acid, 15 parts of ammonium polyphosphate, 7 parts of refractory fibre mixture, 4 parts of boron nitride, 3 parts of magnesia, expanded graphite 3 Part, 2 parts of antioxidant, 2 parts of fire retardant, 2 parts of stabilizer.
It is further preferred that the fire-resistant nylon composition is made of following components by mass fraction: nylon resin 40 Part, 20 parts of stearic acid, 20 parts of ammonium polyphosphate, 10 parts of refractory fibre mixture, 5 parts of boron nitride, 5 parts of magnesia, expanded graphite 5 Part, 3 parts of antioxidant, 3 parts of fire retardant, 3 parts of stabilizer.
The refractory fibre mixture is the one or two of aluminosilicate property, high-purity aluminosilicate property.
The antioxidant are as follows: 2,6- three-level butyl -4- methylphenols, bis- (3,5- three-level butyl -4- hydroxy phenyl) sulphur At least one of ether, four (β-(3,5- three-level butyl -4- hydroxy phenyl) propionic acid) pentaerythritol esters.
The fire retardant are as follows: the one or two of cyanurate, melamine phosphate, guanidine salt and dicyandiamide salt.
The invention has the beneficial effects that: it is easy to operate, low energy consumption, it is easy to industrialized production, improve thermally conductive nylon with Extraneous energy exchange, and it is environment-protecting and non-poisonous, it is suitable for popularization and application.
Specific embodiment
In order to deepen the understanding of the present invention and recognize, the present invention is made further With reference to embodiment Illustrate and introduces.
Embodiment 1
A kind of Environmentally-frieflame-retardant flame-retardant nylon composition, the fire-resistant nylon composition press mass parts array by following components At: nylon resin 30,10 parts of stearic acid, 10 parts of ammonium polyphosphate, 5 parts of refractory fibre mixture, 2 parts of boron nitride, magnesia 2 Part, 2 parts of expanded graphite, 1 part of antioxidant, 1 part of fire retardant, 1 part of stabilizer.
The refractory fibre mixture is the one or two of aluminosilicate property, high-purity aluminosilicate property.
The antioxidant are as follows: 2,6- three-level butyl -4- methylphenols, bis- (3,5- three-level butyl -4- hydroxy phenyl) sulphur At least one of ether, four (β-(3,5- three-level butyl -4- hydroxy phenyl) propionic acid) pentaerythritol esters.
The fire retardant are as follows: the one or two of cyanurate, melamine phosphate, guanidine salt and dicyandiamide salt.
Embodiment 2
A kind of Environmentally-frieflame-retardant flame-retardant nylon composition, the fire-resistant nylon composition press mass parts array by following components At: 35 parts of nylon resin, 15 parts of stearic acid, 15 parts of ammonium polyphosphate, 7 parts of refractory fibre mixture, 4 parts of boron nitride, magnesia 3 Part, 3 parts of expanded graphite, 2 parts of antioxidant, 2 parts of fire retardant, 2 parts of stabilizer.
The refractory fibre mixture is the one or two of aluminosilicate property, high-purity aluminosilicate property.
The antioxidant are as follows: 2,6- three-level butyl -4- methylphenols, bis- (3,5- three-level butyl -4- hydroxy phenyl) sulphur At least one of ether, four (β-(3,5- three-level butyl -4- hydroxy phenyl) propionic acid) pentaerythritol esters.
The fire retardant are as follows: the one or two of cyanurate, melamine phosphate, guanidine salt and dicyandiamide salt.
Embodiment 3
A kind of Environmentally-frieflame-retardant flame-retardant nylon composition, the fire-resistant nylon composition press mass parts array by following components At: 40 parts of nylon resin, 20 parts of stearic acid, 20 parts of ammonium polyphosphate, 10 parts of refractory fibre mixture, 5 parts of boron nitride, magnesia 5 parts, 5 parts of expanded graphite, 3 parts of antioxidant, 3 parts of fire retardant, 3 parts of stabilizer.
The refractory fibre mixture is the one or two of aluminosilicate property, high-purity aluminosilicate property.
The antioxidant are as follows: 2,6- three-level butyl -4- methylphenols, bis- (3,5- three-level butyl -4- hydroxy phenyl) sulphur At least one of ether, four (β-(3,5- three-level butyl -4- hydroxy phenyl) propionic acid) pentaerythritol esters.
The fire retardant are as follows: the one or two of cyanurate, melamine phosphate, guanidine salt and dicyandiamide salt.

Claims (7)

1. a kind of Environmentally-frieflame-retardant flame-retardant nylon composition, which is characterized in that the fire-resistant nylon composition presses matter by following components Number is measured to form: 30-40 parts of nylon resin, 10-20 parts of stearic acid, 10-20 parts of ammonium polyphosphate, refractory fibre mixture 5-10 Part, 2-5 parts of boron nitride, 2-5 parts of magnesia, 2-5 parts of expanded graphite, 1-3 parts of antioxidant, 1-3 parts of fire retardant, 1-3 parts of stabilizer.
2. a kind of Environmentally-frieflame-retardant flame-retardant nylon composition according to claim 1, which is characterized in that the fire-retardant nylon group Close object to be made of following components by mass fraction: nylon resin 30,10 parts of stearic acid, 10 parts of ammonium polyphosphate, refractory fibre is mixed Close 5 parts, 2 parts of boron nitride, 2 parts of magnesia, 2 parts of expanded graphite, 1 part of antioxidant, 1 part of fire retardant, 1 part of stabilizer of material.
3. a kind of Environmentally-frieflame-retardant flame-retardant nylon composition according to claim 1, which is characterized in that the fire-retardant nylon group Object is closed to be made of following components by mass fraction: 35 parts of nylon resin, 15 parts of stearic acid, 15 parts of ammonium polyphosphate, refractory fibre 7 parts of mixture, 4 parts of boron nitride, 3 parts of magnesia, 3 parts of expanded graphite, 2 parts of antioxidant, 2 parts of fire retardant, 2 parts of stabilizer.
4. a kind of Environmentally-frieflame-retardant flame-retardant nylon composition according to claim 1, which is characterized in that the fire-retardant nylon group Object is closed to be made of following components by mass fraction: 40 parts of nylon resin, 20 parts of stearic acid, 20 parts of ammonium polyphosphate, refractory fibre 10 parts of mixture, 5 parts of boron nitride, 5 parts of magnesia, 5 parts of expanded graphite, 3 parts of antioxidant, 3 parts of fire retardant, 3 parts of stabilizer.
5. a kind of Environmentally-frieflame-retardant flame-retardant nylon composition according to claim 1, which is characterized in that the refractory fibre is mixed Close the one or two that material is aluminosilicate property, high-purity aluminosilicate property.
6. a kind of Environmentally-frieflame-retardant flame-retardant nylon composition according to claim 1, which is characterized in that the antioxidant are as follows: 2,6- three-level butyl -4- methylphenols, bis- (3,5- three-level butyl -4- hydroxy phenyl) thioethers, four (β-(3,5- three-level butyl -4- At least one of hydroxy phenyl) propionic acid) pentaerythritol ester.
7. a kind of Environmentally-frieflame-retardant flame-retardant nylon composition according to claim 1, which is characterized in that the fire retardant are as follows: The one or two of cyanurate, melamine phosphate, guanidine salt and dicyandiamide salt.
CN201811026328.5A 2018-09-04 2018-09-04 A kind of Environmentally-frieflame-retardant flame-retardant nylon composition Pending CN109456591A (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1997699A (en) * 2004-05-04 2007-07-11 通用电气公司 Halogen-free flame retardant polyamide composition with improved electrical properties
CN102977573A (en) * 2012-11-29 2013-03-20 王忠举 Refractory fiber material
CN103483809A (en) * 2013-09-24 2014-01-01 株洲时代工程塑料制品有限责任公司 High-flowability polyamide based halogen-free flame-retardant heat-conducting composite material and preparation method thereof
CN104371318A (en) * 2014-11-19 2015-02-25 上海大学 Polyamide composite material with high thermal conductivity and high heat resistance and preparation method thereof
CN104530694A (en) * 2014-12-26 2015-04-22 广州市聚赛龙工程塑料有限公司 Regenerated PA6 (polyamide 6)-base flame-retardant electric-insulating heat-conducting composite material, and preparation method and application thereof
CN104987599A (en) * 2015-07-29 2015-10-21 苏州新区华士达工程塑胶有限公司 High-strength seat plastic
CN107190363A (en) * 2017-05-17 2017-09-22 长兴县煤山工业炉料有限公司 A kind of aluminosilicate refractory fiber of high intensity
CN108129834A (en) * 2017-12-28 2018-06-08 许飞扬 A kind of flame-resistant insulation composite nylon material
CN108239389A (en) * 2016-12-23 2018-07-03 惠州市良化新材料有限公司 A kind of nylon 6 of high-temp resisting high-humidity resisting enhances composite material and preparation method thereof

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1997699A (en) * 2004-05-04 2007-07-11 通用电气公司 Halogen-free flame retardant polyamide composition with improved electrical properties
CN102977573A (en) * 2012-11-29 2013-03-20 王忠举 Refractory fiber material
CN103483809A (en) * 2013-09-24 2014-01-01 株洲时代工程塑料制品有限责任公司 High-flowability polyamide based halogen-free flame-retardant heat-conducting composite material and preparation method thereof
CN104371318A (en) * 2014-11-19 2015-02-25 上海大学 Polyamide composite material with high thermal conductivity and high heat resistance and preparation method thereof
CN104530694A (en) * 2014-12-26 2015-04-22 广州市聚赛龙工程塑料有限公司 Regenerated PA6 (polyamide 6)-base flame-retardant electric-insulating heat-conducting composite material, and preparation method and application thereof
CN104987599A (en) * 2015-07-29 2015-10-21 苏州新区华士达工程塑胶有限公司 High-strength seat plastic
CN108239389A (en) * 2016-12-23 2018-07-03 惠州市良化新材料有限公司 A kind of nylon 6 of high-temp resisting high-humidity resisting enhances composite material and preparation method thereof
CN107190363A (en) * 2017-05-17 2017-09-22 长兴县煤山工业炉料有限公司 A kind of aluminosilicate refractory fiber of high intensity
CN108129834A (en) * 2017-12-28 2018-06-08 许飞扬 A kind of flame-resistant insulation composite nylon material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
《机械设计材料手册》编写组: "《原子能工业机械设计材料手册》", 31 October 1979, 原子能出版社 *

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Application publication date: 20190312