CN106009364A - Thermoplastic crosslinking sheathing material - Google Patents
Thermoplastic crosslinking sheathing material Download PDFInfo
- Publication number
- CN106009364A CN106009364A CN201610336919.7A CN201610336919A CN106009364A CN 106009364 A CN106009364 A CN 106009364A CN 201610336919 A CN201610336919 A CN 201610336919A CN 106009364 A CN106009364 A CN 106009364A
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- Prior art keywords
- thermoplasticity
- crosslinking
- sheath material
- flame retardant
- flame
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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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 a thermoplastic crosslinking sheathing material. The thermoplastic crosslinking sheathing material is characterized by comprising the following components in percentages by weight: 50-60% of polyvinyl chloride, 25-35% of an intumescent flame retardant, 1.5-3.0% of flame-retardant synergists, 5.0-10% of a compatilizer, 0.4-0.6% of a surface modifier, 0.1-0.3% of an anti-dripping agent, 0.4-0.7% of an antioxidant, 1.2-1.5% of a lubricating agent, and 1.0-2.0% of a light stabilizer. The various flame-retardant synergists are compounded with the intumescent flame retardant, the flame retardance efficiency of a flame retardance system is further improved, meanwhile, the suitable antioxidant and the suitable light stabilizer are selected so that the material has good sunlight ageing resistance and ultraviolet ageing resistance, and therefore, requirements of outdoor use of electric wires and cables can be met.
Description
Technical field
The present invention relates to a kind of photovoltaic cable material, a kind of thermoplastic sexual intercourse with high fire-retardance, high durable performance
Connection sheath material.
Background technology
Along with the fast development of national economy, China enters the fast growth phase, simultaneously to product to the demand of new chemical materials
The prescription of product also reaches a new height.Requirement to engineering plastics is not only mechanical property, and user is more desirable to carry
The apparent property of high material, processing fluidity is simultaneously little to the mechanical impact of product.This modified engineered plastic circle the most just
A big deep topic.How to improve in product and presentation quality, energy-saving and cost-reducing is a pendulum technical problem in face of industry.Cause
This, in the course of processing, the selection of multi-functional master batch is most important, and the development accelerating engineering plastics industry is compeled especially at eyebrow
Eyelash.
Inorganic anti-flaming material is as a kind of Halogen series flame retardant material, the shortcoming effectively overcoming halogen series flame retardant material because of it
And cause the common concern of people.The great advantage of inorganic anti-flaming material is low toxicity, low cigarette, low corrosion and cheap.Closely
Nian Lai, domestic and international electric wire coated material market is proposed some novel inorganic fire-retarded polymeric material kinds successively, makes
Inorganic fire-retarded CABLE MATERIALS is more widely applied.Low yet with inorganic combustion inhibitor flame retarding efficiencies such as magnalium bases, need to add
More than 60% can be only achieved desired flame retardant effect.So give the dispersion of fire retardant, materials processing molding and main mechanical performance
Etc. bringing a series of problem, it is difficult to meet some high-end electrical equipment assembling index request to material such as cable, communication cable.
Due to the limitation of inorganic anti-flaming material, domestic in the fire-retardant problem solving electric wire, mostly use flame-proof polyvinyl chloride
(PVC) modified materials is as serving, this is because PVC is the most cheap, processing is simple, and owing to halogen-containing reason makes
Obtain it and originally just there is certain fire resistance.
But there is presently no a kind of highly effective flame-retardant, the thermoplastic of the super quality and competitive price that splitting resistance is good, mechanics electric property is excellent
Sexual intercourse connection sheath material.
Summary of the invention
The purpose of the present invention is contemplated to solve the above-mentioned problems in the prior art, it is provided that a kind of highly effective flame-retardant, anti-
The thermoplasticity crosslinking sheath material of the super quality and competitive price that cracking behavior is good, mechanics electric property is excellent.
The purpose of the present invention is achieved through the following technical solutions:
Thermoplasticity crosslinking sheath material, it is particular in that: each component comprised and the percentage by weight of each component be: polychlorostyrene
Ethylene: 50%~60%, expansion type flame retardant: 25%~35%, fire retarding synergist: 1.5%~3.0%, compatilizer: 5.0%~10%, table
Face modifying agent: 0.4%~0.6%, anti-dripping agent: 0.1%~0.3%, antioxidant: 0.4%~0.7%, lubricant: 1.2%~1.5%,
Light stabilizer 1.0%~2.0%.Expansion type flame retardant is ammonium polyphosphate modifying becomes charcoal foaming agent with 3 with a kind of triazine system macromolecule:
1~4:1(mass ratio) compounding form.Fire retarding synergist is 3A molecular sieve, 4A molecular sieve, 5A molecular sieve, silicon dioxide, titanium dioxide
One or more combinations in titanium, nano imvite.Compatilizer is ethylene-acrylate-copolymer-maleic anhydride, maleic anhydride
One or more combinations in graft polyolefin thermoplastic elastomer (TPE), ethylene-acrylate-methyl propenoic acid glycidyl fat.
Surface modifier is vinyl trimethoxy Ethoxysilane.
In order to realize patent of the present invention, the following production technology of special employing:
One, pretreatment of raw material: two components in expansion type flame retardant are carried out superfine grinding respectively and carries out mixed at high speed and table
Face modification obtains premix material A and B, and anti-dripping agent, antioxidant, lubricant all mix with polrvinyl chloride being premixed together
Material C;
Two, raw-material metering: use weight-loss metering system with accurate, stable speed respectively by premix material A, B, C and other
Adjuvant inputs to extrusion system;
Three, mixed refining process: using reciprocating single extruders to be processed material, processing temperature is: feed zone: 130 DEG C
~140 DEG C;Fluxing zone: 160 DEG C~170 DEG C;Metering section: 150 DEG C~160 DEG C;Die head temperature: 160 DEG C~170 DEG C;
Four, pelletize: use air-cooled die-surface pelletizing.
Fluxing zone in mixed refining process step uses the screw combinations of Strong shear.In granulation step, particle is ¢ 3 × 3mm post
Shape granule.Raw-material metrology steps utilize electron beam raw material is carried out radiation crosslinking.
The present invention compared with prior art, possesses following advantage: the multiple fire retarding synergist of employing and expansion type flame retardant
Carry out compounding use, improve the flame retarding efficiency of flame-retardant system further, and by multiple lubricant with the use of solving
The certainly processing dispersion of material, can also improve the production efficiency of electric wire simultaneously and promote the surface smoothness of cable, and leading to
Cross and select suitable antioxidant and light stabilizer to have good resistance to day photoaging and the purpose of ultraviolet aging resistance to reach material,
So can meet the requirement of electric wire open air use.
Detailed description of the invention
Below for specific embodiment, the present invention is further elaborated.
Embodiment one.
First 240g ammonium polyphosphate modifying is carried out micropowder respectively with 80g triazine system's macromolecular carbon forming foaming agent (CFA)
Broken and carry out mixed at high speed and surface modification treatment obtains premix material A and B, then by 2g anti-dripping agent, 5g antioxidant, 13g lubricant
All mix with 520g polrvinyl chloride and obtain premix material C, then use weight-loss metering system respectively will with accurate, stable speed
Premix material A, B, C and 24g3A molecular sieve, 85g ethylene-acrylate-copolymer-maleic anhydride, 6g vinyl trimethoxy ethyoxyl
Silane, 10g light stabilizer input to extrusion system, utilize electron beam that material is carried out radiation crosslinking simultaneously, then use past
Material is processed by compound single extruders, and processing temperature is: feed zone: 130 DEG C;Fluxing zone: 160 DEG C;Metering section:
150℃;Die head temperature: 160 DEG C, extruder uses air-cooled die-surface to carry out pelletizing.
The thermoplasticity crosslinking sheath material using the technical program to prepare possesses following performance: hot strength reaches 10.5Mpa,
Elongation at break reaches 700%, and hardness reaches 82ShoreA, and oxygen index (OI) reaches 34%, all meets or exceeds country's respective standard.
Embodiment two
First 248g ammonium polyphosphate modifying is carried out superfine grinding also respectively with 62g triazine system's macromolecular carbon forming foaming agent (CFA)
Carry out mixed at high speed and surface modification treatment obtain premix material A and B, then by 3g anti-dripping agent, 5g antioxidant, 14g lubricant with
540g polrvinyl chloride all mixes and obtains premix material C, then uses weight-loss metering system with accurate, stable speed respectively by pre-
Batch mixing A, B, C and 25g4A molecular sieve, 70g maleic anhydride stem grafting polyolefin thermoplastic elastomer (TPE), 5g vinyl trimethoxy ethyoxyl
Silane, 10g light stabilizer input to extrusion system, utilize electron beam that material is carried out radiation crosslinking simultaneously, use reciprocating
Material is processed by single extruders, and processing temperature is: feed zone: 140 DEG C;Fluxing zone: 170 DEG C;Metering section: 160 DEG C;
Die head temperature: 170 DEG C, extruder uses air-cooled die-surface to carry out pelletizing.
The thermoplasticity crosslinking sheath material using the technical program to prepare possesses following performance: hot strength reaches 10.8Mpa,
Elongation at break reaches 650%, and hardness reaches 94ShoreA, and oxygen index (OI) reaches 38%, all meets or exceeds country's respective standard.
The present invention compared with prior art, possesses following advantage: the multiple fire retarding synergist of employing and expansion type flame retardant
Carry out compounding use, improve the flame retarding efficiency of flame-retardant system further, and by multiple lubricant with the use of solving
The certainly processing dispersion of material, can also improve the production efficiency of electric wire simultaneously and promote the surface smoothness of cable, and leading to
Cross and select suitable antioxidant and light stabilizer to have good resistance to day photoaging and the purpose of ultraviolet aging resistance to reach material,
So can meet the requirement of electric wire open air use.
Claims (9)
1. thermoplasticity crosslinking sheath material, it is particular in that: each component comprised and the percentage by weight of each component be: poly-
Vinyl chloride: 50%~60%, expansion type flame retardant: 25%~35%, fire retarding synergist: 1.5%~3.0%, compatilizer: 5.0%~10%,
Surface modifier: 0.4%~0.6%, anti-dripping agent: 0.1%~0.3%, antioxidant: 0.4%~0.7%, lubricant: 1.2%~
1.5%, light stabilizer 1.0%~2.0%.
Thermoplasticity the most according to claim 1 crosslinking sheath material, it is characterised in that described expansion type flame retardant is modified
APP becomes charcoal foaming agent with 3:1~4:1(mass ratio with a kind of triazine system macromolecule) compounding form.
Thermoplasticity the most according to claim 1 crosslinking sheath material, it is characterised in that described fire retarding synergist is 3A molecule
One or more combinations in sieve, 4A molecular sieve, 5A molecular sieve, silicon dioxide, titanium dioxide, nano imvite.
Thermoplasticity the most according to claim 1 crosslinking sheath material, it is characterised in that described compatilizer is ethylene-acrylic acid
Ester-copolymer-maleic anhydride, maleic anhydride stem grafting polyolefin thermoplastic elastomer (TPE), ethylene-acrylate-Glycidyl methacrylate
One or more combinations in glyceride.
Thermoplasticity the most according to claim 1 crosslinking sheath material, it is characterised in that described surface modifier is vinyl
Trimethoxy Ethoxysilane.
6. thermoplasticity crosslinking sheath material production method, comprises the following steps:
One, pretreatment of raw material: two components in expansion type flame retardant are carried out superfine grinding respectively and carries out mixed at high speed and table
Face modification obtains premix material A and B, and anti-dripping agent, antioxidant, lubricant all mix with polrvinyl chloride being premixed together
Material C;
Two, raw-material metering: use weight-loss metering system with accurate, stable speed respectively by premix material A, B, C and other
Adjuvant inputs to extrusion system;
Three, mixed refining process: using reciprocating single extruders to be processed material, processing temperature is: feed zone: 130 DEG C
~140 DEG C;Fluxing zone: 160 DEG C~170 DEG C;Metering section: 150 DEG C~160 DEG C;Die head temperature: 160 DEG C~170 DEG C;
Four, pelletize: use air-cooled die-surface pelletizing.
Thermoplasticity the most according to claim 6 crosslinking sheath material production method, it is characterised in that described mixed refining process walks
Fluxing zone in Zhou uses the screw combinations of Strong shear.
Thermoplasticity the most according to claim 6 crosslinking sheath material production method, it is characterised in that in described granulation step
Particle is ¢ 3 × 3mm cylindrical particle.
Thermoplasticity the most according to claim 6 crosslinking sheath material production method, it is characterised in that described raw-material meter
Amount step utilize electron beam that raw material is carried out radiation crosslinking.
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CN201610336919.7A CN106009364A (en) | 2016-05-20 | 2016-05-20 | Thermoplastic crosslinking sheathing material |
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CN201610336919.7A CN106009364A (en) | 2016-05-20 | 2016-05-20 | Thermoplastic crosslinking sheathing material |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106633519A (en) * | 2016-12-16 | 2017-05-10 | 安徽建筑大学 | Combustible non-dripping polyvinyl chloride plastic |
CN113004598A (en) * | 2021-03-24 | 2021-06-22 | 瑞旭实业有限公司 | Irradiation-free material for photovoltaic cable and manufacturing method |
Citations (3)
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---|---|---|---|---|
CN1962746A (en) * | 2006-12-07 | 2007-05-16 | 上海化工研究院 | Expansion type flame-proof smoke-suppressing soft polyvinyl chloride composition and its preparation method |
CN101974185A (en) * | 2010-10-19 | 2011-02-16 | 北京化工大学 | Low-halogen intumescent flame-retardant resin paste for conveyer belts and preparation method thereof |
CN104761843A (en) * | 2014-01-07 | 2015-07-08 | 汕头市南帆电器有限公司 | Halogen-free flame-retardant cable material |
-
2016
- 2016-05-20 CN CN201610336919.7A patent/CN106009364A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1962746A (en) * | 2006-12-07 | 2007-05-16 | 上海化工研究院 | Expansion type flame-proof smoke-suppressing soft polyvinyl chloride composition and its preparation method |
CN101974185A (en) * | 2010-10-19 | 2011-02-16 | 北京化工大学 | Low-halogen intumescent flame-retardant resin paste for conveyer belts and preparation method thereof |
CN104761843A (en) * | 2014-01-07 | 2015-07-08 | 汕头市南帆电器有限公司 | Halogen-free flame-retardant cable material |
Non-Patent Citations (3)
Title |
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刘克升: "新型三嗪成炭剂的合成及无卤阻燃ABS的研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑》 * |
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李艳涛: "高效膨胀阻燃聚丙烯材料的制备与性能研究", 《东北林业大学硕士学位论文》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106633519A (en) * | 2016-12-16 | 2017-05-10 | 安徽建筑大学 | Combustible non-dripping polyvinyl chloride plastic |
CN113004598A (en) * | 2021-03-24 | 2021-06-22 | 瑞旭实业有限公司 | Irradiation-free material for photovoltaic cable and manufacturing method |
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Application publication date: 20161012 |