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CN105623179A - Anti-yellowing halogen-free flame retardant thermoplastic elastomer and preparation method thereof - Google Patents

Anti-yellowing halogen-free flame retardant thermoplastic elastomer and preparation method thereof Download PDF

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Publication number
CN105623179A
CN105623179A CN201510917888.XA CN201510917888A CN105623179A CN 105623179 A CN105623179 A CN 105623179A CN 201510917888 A CN201510917888 A CN 201510917888A CN 105623179 A CN105623179 A CN 105623179A
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thermoplastic elastomer
halogen
free flame
retardant thermoplastic
color inhibition
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Inventor
程金星
侯海良
翁文彪
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SHANGHAI ZHIZHENG DAOHUA POLYMER MATERIALS Co Ltd
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SHANGHAI ZHIZHENG DAOHUA POLYMER MATERIALS Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L53/02Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
    • C08L53/025Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes modified
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/9258Velocity
    • B29C2948/9259Angular velocity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/22Halogen free composition
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/04Thermoplastic elastomer

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  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention relates to an anti-yellowing halogen-free flame retardant thermoplastic elastomer and a preparation method thereof. The elastomer comprises the following components in parts by weight: 100 parts of a styrene thermoplastic elastomer, 20 to 60 parts of rubber filling oil, 5 to 20 parts of a polyolefin elastomer, 20 to 60 parts of a phosphorus-nitrogenous flame retardant, 5 to 15 parts of flame-retardant silicon master batch, 0.1 to 1.8 parts of a lubricating agent, 0.45 to 0.6 part of an aging resisting agent, 0.01 to 5 parts of an anti-yellowing agent, and 1 to 8 parts of other assistants. The invention further provides a preparation method of the anti-yellowing halogen-free flame retardant thermoplastic elastomer. Wires prepared from the anti-yellowing halogen-free flame retardant thermoplastic elastomer provided by the invention are excellent in anti-yellowing property, the CIELAB color difference is smaller than 1, the wires can be resistant to UV grade IV or above, and a sizing material of the anti-yellowing halogen-free flame retardant thermoplastic elastomer is environment-friendly and good in flame retardant property, various properties like insulation and sheath of the wires are excellent, and the flame retardant property passes VW-1 test; besides, the wires are mainly applied to consumer electronics product wires, such as data lines, earphone lines and the like.

Description

A kind of color inhibition halogen-free flame-retardant thermoplastic elastomer and preparation method thereof
Technical field
The present invention relates to the insulation of the consumer electronics products such as a kind of data wire, earphone cord and sheath technical field, particularly relating to a kind of color inhibition halogen-free flame-retardant thermoplastic elastomer and preparation method thereof, this color inhibition halogen-free flame-retardant thermoplastic elastomer has good fire resistance and anti-yellowing property.
Background technology
Thermoplastic elastomer (TPE) is a kind of tartan with rubber and plastic properties, due to especially excellent flexibility, comfortableness, applies more and more extensive in recent years. In electrical type consumer products, styrene analog thermoplastic elastomer cable requires to occupy a tiny space on high-end data wire at some. Styrene analog thermoplastic elastomer itself there is also some shortcomings, such as: the easy xanthochromia of white or light styrene analog thermoplastic elastomer, affects the outward appearance of material; Styrene analog thermoplastic elastomer oxygen index (OI) after oil-filled is extremely low, belongs to combustible material. Wire rod in consumer electronics product and new-energy automobile field all faces heat, photoaging causes the xanthochromia of wire rod, simultaneously for high-end consumption electronic product, environmental protection and fire-retardant problem is also had significantly high requirement.
Summary of the invention
An object of the present invention is in that for the problems referred to above, it is provided that a kind of color inhibition halogen-free flame-retardant thermoplastic elastomer, this color inhibition halogen-free flame-retardant thermoplastic elastomer has good fire resistance and anti-yellowing property.
The two of the purpose of the present invention are in that the preparation method providing above-mentioned color inhibition halogen-free flame-retardant thermoplastic elastomer.
To achieve the above object of the invention, a kind of color inhibition halogen-free flame-retardant thermoplastic elastomer provided by the present invention, with parts by weight, its composition of raw materials is made up of following component:
In a preferred embodiment of the invention, described styrene analog thermoplastic elastomer is styrene-ethylene-butylene-styrene triblock copolymer, and styrene mass content is 10-45%.
In a preferred embodiment of the invention, described polyolefin elastomer includes ethylene and one or more the mixing in vinyl acetate copolymer, ethylene and acrylate copolymer, ethylene and hexene copolymer, ethylene and octene copolymer.
In a preferred embodiment of the invention, described rubber filling oil is technical white oil or naphthene base crude oil.
In a preferred embodiment of the invention, described polyolefin elastomer is selected from TAFMER resin or Exact resin, if vistanex is the DF840 resin in TAFMER series; 8201 resins in Exact series. TAFMER resin is the resin that Mitsui chemical company produces, and Exact resin provides for Exxon Mobil Corporation, all can buy from market.
In a preferred embodiment of the invention, described color inhibition agent is benzophenone type ultraviolet light absorber, 2-(2'-hydroxyl-3', 5'-di-tert-butyl phenyl) the one or any two or more mixture of the following material such as-5-chlorobenzotriazole, 2,2-thiobiss (4-tert-octyl phenol) n-butylamine nickel salt.
The present invention selects fire-retardant silicon master batch and the composite use of phosphor nitrogen combustion inhibitor. In flame-retardant system of the present invention, fire-retardant silicon master batch can be polymerized with styrene analog thermoplastic elastomer, vistanex, has again an oozing property mutually, and can promote the generation of carbon-coating, and then stops spreading of flame. Phosphor nitrogen combustion inhibitor because having promoted the carbonization of phosphorus in the existence of nitrogen component, therefore there is phosphorus phosphorus-nitrogen coordinated fire-retardant effect, with the fire-retardant mechanism of gas phase fire retardant and condensed phase, and not halogen-containing, also not adopting stibium oxide is synergist, when phosphor nitrogen combustion inhibitor and silicon master batch fire retardant join use in polymer, material surface can generate one layer of uniform carbonaceous foam layer, effect heat insulation, oxygen barrier can be played, and prevent molten drop phenomenon, there is fabulous anti-flammability.
In a preferred embodiment of the invention, described phosphor nitrogen combustion inhibitor is hypophosphites or melamine cyanurate. Described hypophosphites includes hypo-aluminum orthophosphate or magnesium hypophosphite etc. It addition, melamine cyanurate is as a kind of nitrogenated flame retardant, based on gas phase fire retardant mechanism.
In a preferred embodiment of the invention, the concentration of the silicon polymer in described fire-retardant silicon master batch is 30-50%, and described silicon polymer is linear or branching polysiloxanes.
In a preferred embodiment of the invention, described lubricant is the one or any two or more mixture in ethylene bis stearic acid amide, ethylene double; two oleamide, zinc stearate, calcium stearate, Tissuemat E. The effect of lubricant is to make this material be prone to processing, will not adhesion in machine barrel.
In a preferred embodiment of the invention; described antiaging agent is �� (3'5'-di-t-butyl-4'-hydroxy phenyl) propanoic acid octadecyl ester, four [3-(3; 5-di-tert-butyl-hydroxy phenyl) propanoic acid] tetramethylolmethane, tricresyl phosphite (2; 4-di-tert-butyl ester group), dilauryl thiodipropionate, 1; 2-[��-(3; 5-di-t-butyl-4 hydroxyl) phenyl] propionyl hydrazine, one or any two or more mixture in N, N'-diacetyl adipyl two hydrazides. The effect of antiaging agent is the aging life-span extending this material.
In a preferred embodiment of the invention, other auxiliary agent described is the mixing of a kind of in filler, coloring agent, antioxidant or any two kinds.
In a preferred embodiment of the invention, described filler is one or more the mixing that Petropols, high styrene resin, ancient horse rise in resin, calcium carbonate.
In a preferred embodiment of the invention, described coloring agent is a kind of or arbitrarily two or more mixing in titanium dioxide, Griffith's zinc white., zinc oxide, toner.
In a preferred embodiment of the invention, described antioxidant is selected from (�� (3'5'-di-t-butyl-4'-hydroxy phenyl) propanoic acid octadecyl ester, four [3-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid] tetramethylolmethane, tricresyl phosphite (2,4-di-tert-butyl ester group), or arbitrarily two or more mixing in dilauryl thiodipropionate.
As the preparation method of the color inhibition halogen-free flame-retardant thermoplastic elastomer of second aspect present invention, it comprises the following steps:
1) each raw material is weighed by formula;
2) elastic for styrene analog thermoplastic being sufficiently mixed with rubber filling oil under 50 DEG C of conditions is obtained oil-filled good styrenic thermoplastic elastomer;
3) oil-filled good styrenic thermoplastic elastomer is mixed 30-60 minute with other raw materials in horizontal mixer the material obtaining mixing;
4) material that the material of mixing is extruded in double screw extruder is carried out tie rod, cooling, pelletizing, be subsequently poured in injection moulding machine injection mo(u)lding, place stable.
In a preferred embodiment of the invention, described step 4) in, each section of temperature of described extruder is from charge door, it is followed successively by 150��160 DEG C, 175��190 DEG C, 190��200 DEG C, 200��210 DEG C, 210��220 DEG C, 200��210 DEG C, head temperature 210��215 DEG C, engine speed is 300-600r/min.
Compared with prior art, present invention have the advantage that
(1) present invention adopts color inhibition UV absorbers, be aided with phosphite ester kind antioxidant, phenolic antioxidant etc. composition antioxidant, take into account the heat-resisting xanthochromia of material and the requirement of fast light xanthochromia simultaneously, CIELAB color difference less than 1, uv-resistant more than 4 grades;
(2) flame-retardant system of the present invention is by composite use phosphor nitrogen combustion inhibitor and fire-retardant silicon master batch, and styrene analog thermoplastic elastomer material has the excellent mechanical property of comparison and a fire resistance while reaching UL94V-0 grade, fire-retardant reaches VO level;
(3) fire proofing of the present invention is environmentally friendly, and during burning, low cigarette is without molten drop, will not discharge toxic gas, and production process is safe and reliable.
Detailed description of the invention
Make specifically to describe in detail further to the inventive method with embodiment below.
The formula of embodiment 1 to embodiment 5 is in Table 1
Embodiment 1
Composition and part by weight according to the color inhibition halogen-free flame-retardant thermoplastic elastomer in embodiment 1 in table 1 weigh each raw material; Wherein styrene analog thermoplastic elastomer is styrene-ethylene-butylene-styrene triblock copolymer, and styrene-content is 30%; The concentration of the silicon polymer in fire-retardant silicon master batch is 40%; Lubricant ethylene bis stearic acid amide; Vistanex is DF840; Color inhibition agent is benzophenone type ultraviolet light absorber; What filler was Petropols with calcium carbonate is composite, and mass ratio between the two is 3:2; Antioxidant be four [3-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid] tetramethylolmethane, tricresyl phosphite (2,4-di-tert-butyl ester group), dilauryl thiodipropionate composite, the mass ratio before three is 1:2:1; Coloring agent is toner.
The step of the preparation method of the color inhibition halogen-free flame-retardant thermoplastic elastomer of this embodiment is as follows:
1) styrene analog thermoplastic elasticity is sufficiently mixed with rubber filling oil under 50 DEG C of conditions;
2) oil-filled good styrenic thermoplastic elastomer is mixed 30-60 minute with other raw materials in horizontal mixer;
3) material that the material of mixing is extruded in double screw extruder is carried out tie rod, cooling, pelletizing, be subsequently poured in injection moulding machine injection mo(u)lding, place stable, test mechanical performance and the fire resistance of this material. Each section of temperature of extruder, from charge door, is followed successively by 150��160 DEG C, 175��190 DEG C, 190��200 DEG C, 200��210 DEG C, 210��220 DEG C, 200��210 DEG C, and head temperature 210��215 DEG C, engine speed is 400r/min.
Embodiment 2
Composition and part by weight according to the color inhibition halogen-free flame-retardant thermoplastic elastomer in embodiment 2 in table 1 weigh each raw material; Wherein styrene analog thermoplastic elastomer is styrene-ethylene-butylene-styrene triblock copolymer, and styrene-content is 40%; The concentration of the silicon polymer in fire-retardant silicon master batch is 45%; Lubricant ethylene bis stearic acid amide, vistanex is DF840; Color inhibition agent be benzophenone type ultraviolet light absorber and 2-(2'-hydroxyl-3', 5'-di-tert-butyl phenyl)-5-chlorobenzotriazole UV absorbers composite, mass ratio between the two is 1: 1; Filler be Petropols, high styrene resin, calcium carbonate composite, the mass ratio 2:1:1 of three; Antioxidant be tricresyl phosphite (2,4-di-tert-butyl ester group), both dilauryl thiodipropionates composite, the mass ratio of the two is 2:1; Coloring agent is toner.
The step of the preparation method of the color inhibition halogen-free flame-retardant thermoplastic elastomer of this embodiment is as follows:
1) styrene analog thermoplastic elasticity is sufficiently mixed with rubber filling oil under 50 DEG C of conditions;
2) oil-filled good styrenic thermoplastic elastomer is mixed 30-60 minute with other raw materials in horizontal mixer;
3) material that the material of mixing is extruded in double screw extruder is carried out tie rod, cooling, pelletizing, be subsequently poured in injection moulding machine injection mo(u)lding, place stable, test mechanical performance and the fire resistance of this material. Each section of temperature of extruder, from charge door, is followed successively by 150��160 DEG C, 175��190 DEG C, 190��200 DEG C, 200��210 DEG C, 210��220 DEG C, 200��210 DEG C, and head temperature 210��215 DEG C, engine speed is 300r/min.
Embodiment 3
Each raw material is weighed according to the composition of color inhibition halogen-free flame-retardant thermoplastic elastomer in embodiment 3 in table 1 and part by weight; Wherein styrene analog thermoplastic elastomer is styrene-ethylene-butylene-styrene triblock copolymer, and styrene-content is 40%; The concentration of the silicon polymer in fire-retardant silicon master batch is 45%; Lubricant ethylene bis stearic acid amide; Vistanex is 8210; Color inhibition agent is 2-(2'-hydroxyl-3', 5'-di-tert-butyl phenyl)-5-chlorobenzotriazole UV absorbers, filler be Petropols, ancient horse rise resin, calcium carbonate three composite, the mass ratio 2:1:1 of three; Antioxidant be �� (3'5'-di-t-butyl-4'-hydroxy phenyl) propanoic acid octadecyl ester, 1,2-[��-(3,5-di-t-butyl-4 hydroxyl) phenyl] propionyl hydrazine, N, N'-diacetyl adipyl two hydrazides three composite, the mass ratio of three is 1:1:2; Coloring agent is toner.
The step of the preparation method of the color inhibition halogen-free flame-retardant thermoplastic elastomer of this embodiment is as follows:
1) styrene analog thermoplastic elasticity is sufficiently mixed with rubber filling oil under 50 DEG C of conditions;
2) oil-filled good styrenic thermoplastic elastomer is mixed 30-60 minute with other raw materials in horizontal mixer;
3) material that the material of mixing is extruded in double screw extruder is carried out tie rod, cooling, pelletizing, be subsequently poured in injection moulding machine injection mo(u)lding, place stable, test mechanical performance and the fire resistance of this material. Each section of temperature of extruder, from charge door, is followed successively by 150��160 DEG C, 175��190 DEG C, 190��200 DEG C, 200��210 DEG C, 210��220 DEG C, 200��210 DEG C, and head temperature 210��215 DEG C, engine speed is 350r/min.
Embodiment 4
Each raw material is weighed according to the composition of color inhibition halogen-free flame-retardant thermoplastic elastomer in embodiment 4 in table 1 and part by weight; Wherein styrene analog thermoplastic elastomer is styrene-ethylene-butylene-styrene triblock copolymer, and styrene-content is 40%; The concentration of the silicon polymer in fire-retardant silicon master batch is 45%; Lubricant ethylene bis stearic acid amide; Vistanex is 8210, described color inhibition agent be benzophenone type ultraviolet light absorber and 2-(2'-hydroxyl-3', 5'-di-tert-butyl phenyl)-5-chlorobenzotriazole UV absorbers composite, mass ratio between the two is 2:3; Filler is that ancient horse rises the composite of resin and calcium carbonate, and mass ratio between the two is 2:3; Antioxidant be �� (3'5'-di-t-butyl-4'-hydroxy phenyl) propanoic acid octadecyl ester, four [3-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid] both tetramethylolmethane acid calcium composite, mass ratio between the two is 2:1; Coloring agent is toner.
The step of the preparation method of the color inhibition halogen-free flame-retardant thermoplastic elastomer of this embodiment is as follows:
1) styrene analog thermoplastic elasticity is sufficiently mixed with rubber filling oil under 50 DEG C of conditions;
2) oil-filled good styrenic thermoplastic elastomer is mixed 30-60 minute with other raw materials in horizontal mixer;
3) material that the material of mixing is extruded in double screw extruder is carried out tie rod, cooling, pelletizing, be subsequently poured in injection moulding machine injection mo(u)lding, place stable, test mechanical performance and the fire resistance of this material. Each section of temperature of extruder, from charge door, is followed successively by 150��160 DEG C, 175��190 DEG C, 190��200 DEG C, 200��210 DEG C, 210��220 DEG C, 200��210 DEG C, and head temperature 210��215 DEG C, engine speed is 400r/min.
Embodiment 5
Each raw material is weighed according to the composition of color inhibition halogen-free flame-retardant thermoplastic elastomer in embodiment 5 in table 1 and part by weight; Wherein styrene analog thermoplastic elastomer is styrene-ethylene-butylene-styrene triblock copolymer, and styrene-content is 40%; The concentration of the silicon polymer in fire-retardant silicon master batch is 45%; Lubricant ethylene bis stearic acid amide, vistanex is DF840 and 8210 interworking, color inhibition agent be benzophenone type ultraviolet light absorber and 2-(2'-hydroxyl-3', 5'-di-tert-butyl phenyl)-5-chlorobenzotriazole UV absorbers composite, mass ratio between the two is 3:2; Filler is the composite of Petropols, high styrene resin and calcium carbonate three, the mass ratio 2:1:1 of three; Antioxidant be four [3-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid] tetramethylolmethane, both N, N'-diacetyl adipyl two hydrazides composite, mass ratio between the two is 1:2; Coloring agent is toner.
The step of the preparation method of the color inhibition halogen-free flame-retardant thermoplastic elastomer of this embodiment is as follows:
1) styrene analog thermoplastic elasticity is sufficiently mixed with rubber filling oil under 50 DEG C of conditions;
2) oil-filled good styrenic thermoplastic elastomer is mixed 30-60 minute with other raw materials in horizontal mixer;
3) material that the material of mixing is extruded in double screw extruder is carried out tie rod, cooling, pelletizing, be subsequently poured in injection moulding machine injection mo(u)lding, place stable, test mechanical performance and the fire resistance of this material. Each section of temperature of extruder, from charge door, is followed successively by 150��160 DEG C, 175��190 DEG C, 190��200 DEG C, 200��210 DEG C, 210��220 DEG C, 200��210 DEG C, and head temperature 210��215 DEG C, engine speed is 350r/min.
The performance test results of the thermoplastic elastomer (TPE) sample Related product in embodiment 1-5 is in Table 2:
Note: yellowness index test experiments condition: light source UV-A340 lamp, irradiance: 0.76w/m2
At black standard temperature 60 DEG C �� 3 DEG C, irradiation exposes 8h;
4h is exposed without irradiation condensation at blackness standard 50 DEG C �� 3 DEG C;
Experimental period: 96h
By test result above it can be seen that color inhibition index �� E��1.5 are 4-5 level levels above, anti-yellowing property highlights, and sizing material halogen-free environmental and fire resistance are good, and each performance of wire rod aspect is better than, and fire-retardant can pass through VW-1.
The invention is not limited in above-mentioned detailed description of the invention, be familiar with the research staff of the art and also can make multiple change according to this, but any be equal to the present invention or similar change all should be contained within the scope of the claims.

Claims (17)

1. a color inhibition halogen-free flame-retardant thermoplastic elastomer, it is characterised in that with parts by weight, its composition of raw materials is made up of following component:
2. a kind of color inhibition halogen-free flame-retardant thermoplastic elastomer as claimed in claim 1, it is characterised in that described styrene analog thermoplastic elastomer is styrene-ethylene-butylene-styrene triblock copolymer, and styrene mass content is 10-45%.
3. a kind of color inhibition halogen-free flame-retardant thermoplastic elastomer as claimed in claim 1, it is characterized in that, described polyolefin elastomer includes ethylene and one or more the mixing in vinyl acetate copolymer, ethylene and acrylate copolymer, ethylene and hexene copolymer, ethylene and octene copolymer.
4. a kind of color inhibition halogen-free flame-retardant thermoplastic elastomer as claimed in claim 1, it is characterised in that described rubber filling oil is technical white oil or naphthene base crude oil.
5. a kind of color inhibition halogen-free flame-retardant thermoplastic elastomer as claimed in claim 1, it is characterised in that described polyolefin elastomer is selected from TAFMER resin or Exact resin.
6. a kind of color inhibition halogen-free flame-retardant thermoplastic elastomer as claimed in claim 1, it is characterized in that, described color inhibition agent is benzophenone type ultraviolet light absorber, 2-(2'-hydroxyl-3', 5'-di-tert-butyl phenyl) the one or any two or more mixture of the following material such as-5-chlorobenzotriazole, 2,2-thiobiss (4-tert-octyl phenol) n-butylamine nickel salt.
7. a kind of color inhibition halogen-free flame-retardant thermoplastic elastomer as claimed in claim 1, it is characterised in that described phosphor nitrogen combustion inhibitor is hypophosphites or melamine cyanurate.
8. a kind of color inhibition halogen-free flame-retardant thermoplastic elastomer as claimed in claim 7, it is characterised in that described hypophosphites includes hypo-aluminum orthophosphate or magnesium hypophosphite.
9. a kind of color inhibition halogen-free flame-retardant thermoplastic elastomer as claimed in claim 1, it is characterised in that the concentration of the silicon polymer in described fire-retardant silicon master batch is 30-50%, and described silicon polymer is linear or branching polysiloxanes.
10. a kind of color inhibition halogen-free flame-retardant thermoplastic elastomer as claimed in claim 1, it is characterized in that, described lubricant is the one or any two or more mixture in ethylene bis stearic acid amide, ethylene double; two oleamide, zinc stearate, calcium stearate, Tissuemat E.
11. a kind of color inhibition halogen-free flame-retardant thermoplastic elastomer as claimed in claim 1; it is characterized in that; described antiaging agent is �� (3'5'-di-t-butyl-4'-hydroxy phenyl) propanoic acid octadecyl ester, four [3-(3; 5-di-tert-butyl-hydroxy phenyl) propanoic acid] tetramethylolmethane, tricresyl phosphite (2; 4-di-tert-butyl ester group), dilauryl thiodipropionate, 1; 2-[��-(3; 5-di-t-butyl-4 hydroxyl) phenyl] propionyl hydrazine, one or any two or more mixture in N, N'-diacetyl adipyl two hydrazides.
12. color inhibition halogen-free flame-retardant thermoplastic elastomer as claimed in claim 1 a kind of, it is characterised in that other auxiliary agent described is the mixing of a kind of in filler, coloring agent, antioxidant or any two kinds.
13. color inhibition halogen-free flame-retardant thermoplastic elastomer as claimed in claim 12 a kind of, it is characterised in that described filler is one or more the mixing that Petropols, high styrene resin, ancient horse rise in resin, calcium carbonate.
14. a kind of color inhibition halogen-free flame-retardant thermoplastic elastomer as claimed in claim 12, it is characterised in that described coloring agent is a kind of or arbitrarily two or more mixing in titanium dioxide, Griffith's zinc white., zinc oxide, toner.
15. a kind of color inhibition halogen-free flame-retardant thermoplastic elastomer as claimed in claim 12, it is characterized in that, described antioxidant is selected from (�� (3'5'-di-t-butyl-4'-hydroxy phenyl) propanoic acid octadecyl ester, four [3-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid] tetramethylolmethane, tricresyl phosphite (2,4-di-tert-butyl ester group), or arbitrarily two or more mixing in dilauryl thiodipropionate.
16. the preparation method of the color inhibition halogen-free flame-retardant thermoplastic elastomer described in claim 1 to 15 any one claim, it is characterised in that comprise the following steps:
1) each raw material is weighed by formula;
2) elastic for styrene analog thermoplastic being sufficiently mixed with rubber filling oil under 50 DEG C of conditions is obtained oil-filled good styrenic thermoplastic elastomer;
3) oil-filled good styrenic thermoplastic elastomer is mixed 30-60 minute with other raw materials in horizontal mixer the material obtaining mixing;
4) material that the material of mixing is extruded in double screw extruder is carried out tie rod, cooling, pelletizing, be subsequently poured in injection moulding machine injection mo(u)lding, place stable.
17. preparation method as claimed in claim 16, it is characterized in that, described step 4) in, each section of temperature of described extruder is from charge door, it is followed successively by 150��160 DEG C, 175��190 DEG C, 190��200 DEG C, 200��210 DEG C, 210��220 DEG C, 200��210 DEG C, head temperature 210��215 DEG C, engine speed is 300-600r/min.
CN201510917888.XA 2015-12-10 2015-12-10 Anti-yellowing halogen-free flame retardant thermoplastic elastomer and preparation method thereof Pending CN105623179A (en)

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Application publication date: 20160601