CN102391637B - Polyphenyl ether elastomer composition - Google Patents

Polyphenyl ether elastomer composition Download PDF

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Publication number
CN102391637B
CN102391637B CN2011102710938A CN201110271093A CN102391637B CN 102391637 B CN102391637 B CN 102391637B CN 2011102710938 A CN2011102710938 A CN 2011102710938A CN 201110271093 A CN201110271093 A CN 201110271093A CN 102391637 B CN102391637 B CN 102391637B
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polyphenyl ether
elastomer composition
polystyrene
parts
composition
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CN102391637A (en
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张平
廖志荣
罗明华
辛敏琦
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Shanghai Kumho Sunny Plastics Co Ltd
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Shanghai Kumho Sunny Plastics Co Ltd
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Priority to KR1020137020903A priority patent/KR101512508B1/en
Priority to PCT/CN2011/001626 priority patent/WO2013037092A1/en
Publication of CN102391637A publication Critical patent/CN102391637A/en
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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
    • C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
    • C08L71/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
    • C08L71/12—Polyphenylene oxides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—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 an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/04—Homopolymers or copolymers of styrene
    • C08L25/06—Polystyrene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00—Compositions 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
    • 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
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/21—Urea; Derivatives thereof, e.g. biuret
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00—Compositions 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
    • C08L53/02—Compositions 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
    • C08L53/025—Compositions 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

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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)
  • Organic Insulating Materials (AREA)

Abstract

The invention discloses a polyphenyl ether elastomer composition. The composition comprises the following components in part by weight: 10 to 46 parts of polyphenyl ether, 3 to 5 parts of polystyrene, 3 to 5 parts of high impact polystyrene, 6 to 13 parts of polyolefin elastomer, 13 to 23 parts of hydrogenated styrene-butadiene block copolymer, 6 to 16 parts of low-density polyethylene, 5 to 8 parts of low-density polyethylene grafted polystyrene copolymer, and 18 to 20 parts of phosphate ester fire retardant. Compared with the prior art, the composition is used for an electric wire and cable cladding material and has fire resistance, flexibility and mechanical intensity which are equal to or higher than those of polyvinyl chloride (PVC), and excellent processability, and is resistant to organic solvents such as chemicals, gasoline and the like, and is environment-friendly; and the fire resistance and mechanical property are balanced.

Description

Polyphenyl ether elastomer composition
Technical field
The present invention relates to composition for thermoplastic elastomer, relate in particular to a kind of polyphenyl ether elastomer composition, said composition mainly is used as the coating material of electric wire.
Background technology
In the past, polyvinyl chloride (PVC) RESINS has been widely used in as the outer insulating coating material of electric wire and cable.But in recent years, people more and more recognize environmental pollution that a large amount of uses of polyvinyl chloride cause and to the harm problem of HUMAN HEALTH, it is a kind of to the great chemical substance of Health hazard producing the De dioxin during its burning.Relevant its application regulations also become stricter recently, and have begun to forbid pvc material in many products of some countries.In electronic apparatus or electric wire use resin, usually can add some halogen-containing fire retardants and reduce the contingent hidden danger of fire; Yet the resin of halogen contained compound can discharge corrosive hydrogen halide in the course of processing, and can discharge poisonous gas in case catch fire, and may cause fatal harm.
Common solution is to use the Halogen material, in recent years, researchist and PRODUCT DEVELOPMENT ENGINEERs have developed the electric wire of Halogen, use the wire covering materials that does not contain polyvinyl chloride or halogen-containing flame retardant, namely usually said non-halogen flame-retardant cable.General, non-halogen flame-retardant cable is by halogen-free flame retardantss such as magnesium hydroxide, aluminium hydroxide or phosphorous-nitrogen compounds is joined in the polyolefin resin mixture.In order to make material obtain enough flame retardant resistances, make product pass through the VW-1 combustion test of safety of America testing laboratory's company standard (being called for short the UL standard) defined, just must add a large amount of above-mentioned fire retardants.A large amount of interpolations of these fire retardants have worsened machinery and the physicals of material, and the indexs such as the snappiness of material, tensile strength and elongation obviously descend.
Patent of invention CN 101107318A discloses a kind of flexible thermoplastic composition for electric wire, and said composition comprises polyphenylene oxide, styrene block copolymer and phosphoric acid ester halogen-free flame retardants.Polyphenylene oxide resin has extraordinary mechanical property, and high strength, high heat-resisting, outstanding electric property and dimensional stability the more important thing is that itself has good flame retardant resistance as a kind of component in the electric wire matrix material.Therefore above-mentioned composition need not to contain a large amount of fire retardants and namely has gratifying flame retardant resistance.This patent of invention has well solved the mechanical property of material and the equilibrium problem of flame retardant properties.But the melt viscosity of the polyphenylene oxide in said composition and styrene block copolymer is all very large, and this makes materials processing become difficult.On the other hand, polyphenylene oxide is a kind of unbodied thermoplastic resin, and is relatively poor to the resistivity of the organic solvents such as aromatic hydrocarbons or alkane, and styrene block copolymer is also same problem, and the rubber phase in its structure is easily corroded by oil-based solvent.Therefore in the environment that the electric wire made of said composition is not suitable for being used in oil substances contacts.
Patent of invention CN 1711317A discloses a kind of resin combination for the electric wire and cable covering material.Said composition comprises polyphenylene oxide resin, syndiotactic polystyrene, olefin elastomer, hydrogenated styrene block copolymers and halogen-free flame retardants.Wherein, add the in a large number melt viscosity and the processing temperature that make polystyrene of syndiotactic polystyrene decline to a great extent, efficiently solve the processability problems that contains polyphenylene ether composition, simultaneously, the high crystalline of syndiotactic polystyrene also makes the solvent resistance of composition, petrol-resistance be improved significantly.But, it add in a large number the elongation at break degradation that also makes composition, limited the use of product.
Patent of invention CN 1930230A discloses a kind of flexible poly (arylene ether) composition and goods thereof.Said composition comprises polyphenylene oxide, softening agent, styrene block copolymer, polyolefine and polyolefin elastomer.Said composition has excellent processibility and mechanical property as electric wire and cable material.But in composition, the polyolefine of high level or polyolefin elastomer and polyphenylene oxide are the two-phase incompatibility systems, so moulded product is prone to the bad phenomenon of delamination.
Patent of invention CN 101080466A discloses a kind of snappiness (the inferior ether of aryl) composition and goods thereof.Composition comprises polyphenylene oxide, polypropylene, styrene block copolymer, fire retardant.Said composition mechanical property and processing characteristics are excellent, oil-proofness preferably, but composition has higher hardness, and flexibility is not enough, restricted application.
Summary of the invention
Purpose of the present invention is exactly to provide a kind of polyphenyl ether elastomer composition for the defective that overcomes the prior art existence.Said composition is used for the electric wire coating material, have the flame retardant resistance equal or higher with PVC, snappiness and physical strength, had the balance of flame retardant resistance and mechanical property concurrently, have excellent processing characteristics, the organic solvent such as chemicals-resistant, anti-gasoline preferably, and environmentally friendly.
The objective of the invention is to be achieved through the following technical solutions:
A kind of polyphenyl ether elastomer composition that the present invention relates to comprises following component and weight part:
Polyphenylene oxide 10～46,
Polystyrene 3～5,
High-impact polystyrene 3～5,
Polyolefin elastomer 6～13,
Hydrogenated styrene-butadiene block copolymer 13～23,
Low Density Polyethylene 6～16,
Grafted low density polyethylene polystyrene copolymer 5～8,
Phosphate flame retardant 18～20.
Preferably, described polyphenylene oxide is poly-2,6-Er Jia Ji –, 1,4 – phenylene ether, and the limiting viscosity that described poly-2,6-Er Jia Ji –, 1,4 – phenylene ether is measured in 25 ℃ of chloroforms is 0.25～0.50dl/g.
Preferably, described polystyrene is the General Purpose Polystyrenre of random copolymerization; Described high-impact polystyrene is the polyhutadiene graft type high impact strength polystyrene that makes by body-suspension method or substance law.
Preferably, described polyolefin elastomer is ethene-butylene copoly type thermoplastic elastomer.
Preferably, in described hydrogenated styrene-butadiene block copolymer, cinnamic weight percent content is 13～40%.
Preferably, described Low Density Polyethylene is the thermoplastics that under high pressure, the ethylene free radical polymerization obtains, and described Low Density Polyethylene is at 190 ℃, and the melting index that records under the condition of 2.16kg is 0.3～20g/10min.
Preferably, in described grafted low density polyethylene polystyrene copolymer, the weight percent content of polystyrene is 30%.
Preferably, described phosphate flame retardant is dihydroxyphenyl propane bis phosphoric acid diphenyl ester or Resorcinol-bis phosphoric acid diphenyl ester.
Preferably, described polyphenyl ether elastomer composition also comprises one or more in oxidation inhibitor, UV light absorber, mineral filler.
Preferably, described polyphenyl ether elastomer composition comprises that weight part is that 0.5 oxidation inhibitor and weight part are 0.2 UV light absorber.
Compared with prior art, beneficial effect of the present invention is: composition of the present invention is not halogen-containing, has flame retardant resistance and excellent mechanical property concurrently, and has very outstanding workability, thermotolerance and flexibility; Wherein aspect flame retardant resistance, said composition generally has UL94(3.2mm) fire retardant of V0 is other; In addition, the said composition organic solvent such as chemicals-resistant, anti-gasoline preferably.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described.Should be understood that following examples are only for explanation the present invention but not for limiting the scope of the invention.
Polyphenyl ether elastomer composition of the present invention, comprise following component and weight part: polyphenylene oxide 10～46, polystyrene 3～5, high-impact polystyrene 3～5, polyolefin elastomer 6～13, hydrogenated styrene-butadiene block copolymer 13～23, Low Density Polyethylene 6～16, grafted low density polyethylene polystyrene copolymer 5～8, phosphate flame retardant 18～20.
Wherein, described polyphenylene oxide is poly-(2,6-Er Jia Ji – 1,4 – phenylenes) ether is a kind of known polymkeric substance, is by 2, the thermoplastic resin that the disubstituted phenol of 6-forms through oxidative coupling polymerization, wherein 2, the disubstituted phenol of 6-be use toluene and phenol synthetic as raw material.Polyphenylene oxide has good physical strength, thermotolerance, outstanding over-all propertieies such as electrical insulating property.Main drawback is that melt fluidity is poor, and the machine-shaping difficulty often adopts PS, PA, and the method for the resin alloys such as elastomerics is carried out the improvement of processing fluidity.
Described polystyrene is the General Purpose Polystyrenre of random copolymerization, is called for short GPPS, refers to by styrene monomer through the synthetic polymkeric substance of free radical polycondensation.Thermostability when the most important characteristics of polystyrene are melting and mobility are very good, so easy-formation processing, polystyrene and polyphenylene oxide are fully compatible on the other hand, can reduce melting, the processing temperature of polyphenylene oxide.The existing polyphenylene oxide of selling the polystyrene blend modification on market also can use in the situation that fully understand component proportion.
Described high-impact polystyrene claims again the graft type high impact polystyrene, is called for short HIPS, is the polyhutadiene graft type high impact strength polystyrene that makes by body-suspension or substance law.
Described polyolefin elastomer is ethene-butylene copoly type thermoplastic elastomer (EBR).Be to obtain by ethene and the butene random copolymerization with 4 carbon atoms, can use well-known titanium catalyst and metallocene catalyst by the preparation such as the method such as high-pressure ion catalyzed polymerization, vapour phase polymerization and solution polymerization.
The molecule segment of described hydrogenated styrene-butadiene block copolymer is saturated, and the two keys in its butadiene block are removed by hydrogenation, and this hydrogenated block copolymer includes the block A of styrene polymerization and the B block of divinyl.A and B can form the structure type of the blocks such as A-B, A-B-A, A-B-A-B-A.
Described Low Density Polyethylene is ethylene free radical polymerization and the thermoplastics that obtains under high pressure, and it is at 190 ℃, and the melting index that records under the condition of 2.16kg is 0.3～20g/10min.
Described grafted low density polyethylene polystyrene copolymer (LDPE-graft-PS) is as compatilizer, and its main chain is the molecular chain of Low Density Polyethylene, and side chain is the molecular chain of polystyrene.
Described phosphate flame retardant comprise dihydroxyphenyl propane two (diphenyl phosphates) (BDP), Resorcinol-two (diphenyl phosphate) (RDP).
As required, polyphenyl ether elastomer composition of the present invention is allowed appropriate one or more additives that is mixed with, as oxidation inhibitor, UV light absorber, mineral filler (talcum powder, calcium carbonate, magnesium hydroxide, zinc sulphide etc.).
The preparation method of polyphenyl ether elastomer composition is restriction not, such as: twin screw extruder, single screw extrusion machine, Banbury mixer, mill.Those skilled in the art can be comparatively skilled these equipment of use prepare composition of the present invention.
Embodiment 1～4
The concrete component that the polyphenyl ether elastomer composition of embodiment 1～4 comprises is as shown in table 1, and corresponding weight part content is as shown in table 2, and in table 2, " P " expression is passed through, and " NP " expression is not passed through.
Table 1
Comparative Examples 5～8
The concrete component that the polyphenyl ether elastomer composition of Comparative Examples 5～8 comprises is as shown in table 1, and corresponding weight part content is as shown in table 2, and in table 2, " P " expression is passed through, and " NP " expression is not passed through.
Embodiment 9, performance comparison test
The twin screw extruder that is 35mm with the composition diameter of embodiment 1～4 and Comparative Examples 5～8 prepares, and melt temperature arranges 240～260 ℃, and screw speed arranges per minute 280 and turns.The particle of the composition that obtains is injection molded into coupons at the temperature of 250 ℃, carry out the performance comparison test, and the specific performance testing scheme is: measure tensile strength and elongation at break according to ASTM D638 method; Measure shore hardness according to ASTM D2240 method; At 250 ℃, 5kg meets the flow rate (MFI) of lower measurement melt according to ASTM D1238 method; Measure modulus in flexure according to ASTM D790; According to the UL94 method, judge flame retardant resistance with the batten of 3.2mm thickness; Measure chemical-resistant according to ISO6722, the chemical that uses is gasoline.Test-results is as shown in table 2.
Table 2
Figure DEST_PATH_IMAGE004
Can be found out by table 2, comparing embodiment 2 and Comparative Examples 5～8, Comparative Examples 5 have unacceptable low elongation, illustrate to use compatilizer LDPE-graft-PS can improve the elongation at break index; Comparative Examples 6 is used the short weight of fire retardant, so flame retardant effect is undesirable; Comparative Examples 7 is used single GPPS, makes elongation obviously reduce than embodiment 2, and modulus in flexure improves the decline of explanation flexibility; The anti-gasoline test of Comparative Examples 8 is not passed through, and the LDPE that crystallization is described plays good effect to the petrol-resistance of composition.
In sum, said composition is used for the electric wire coating material, has the flame retardant resistance equal or higher with PVC, snappiness and physical strength, had the balance of flame retardant resistance and mechanical property concurrently, have excellent processing characteristics, the organic solvent such as chemicals-resistant, anti-gasoline preferably, and environmentally friendly.

Claims (6)

1. a polyphenyl ether elastomer composition, is characterized in that, comprises following component and weight part:
Described polystyrene is the General Purpose Polystyrenre of random copolymerization; Described high-impact polystyrene is the polyhutadiene graft type high impact strength polystyrene that makes by body-suspension method or substance law;
Described polyolefin elastomer is ethene-butylene copoly type thermoplastic elastomer;
In described hydrogenated styrene-butadiene block copolymer, cinnamic weight percent content is 13～40%;
In described grafted low density polyethylene polystyrene copolymer, the weight percent content of polystyrene is 30%.
2. polyphenyl ether elastomer composition according to claim 1, is characterized in that, described polyphenylene oxide is poly-2,6-dimethyl-Isosorbide-5-Nitrae-phenylene ether, described poly-2, the limiting viscosity that 6-dimethyl-Isosorbide-5-Nitrae-phenylene ether is measured in 25 ℃ of chloroforms is 0.25～0.50dl/g.
3. polyphenyl ether elastomer composition according to claim 1, it is characterized in that, described Low Density Polyethylene is the thermoplastics that under high pressure, the ethylene free radical polymerization obtains, and described Low Density Polyethylene is at 190 ℃, and the melting index that records under the condition of 2.16kg is 0.3～20g/10min.
4. polyphenyl ether elastomer composition according to claim 1, is characterized in that, described phosphate flame retardant is dihydroxyphenyl propane bis phosphoric acid diphenyl ester or Resorcinol-bis phosphoric acid diphenyl ester.
5. polyphenyl ether elastomer composition according to claim 1, is characterized in that, described polyphenyl ether elastomer composition also comprises one or more in oxidation inhibitor, UV light absorber, mineral filler.
6. polyphenyl ether elastomer composition according to claim 5, is characterized in that, described polyphenyl ether elastomer composition comprises that weight part is that 0.5 oxidation inhibitor and weight part are 0.2 UV light absorber.
CN2011102710938A 2011-09-14 2011-09-14 Polyphenyl ether elastomer composition Expired - Fee Related CN102391637B (en)

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CN103122136A (en) * 2013-02-05 2013-05-29 苏州市沃特新材料科技有限公司 Polyphenylether composite material, and preparation method and application thereof
CN103665825B (en) * 2013-12-09 2015-11-18 中特华星电缆股份有限公司 Manufacture matrix material and the complete processing of high temperature resistant halogen-free flame-retardant PPE cable
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CN110144109A (en) * 2019-05-31 2019-08-20 上海奇彩塑胶原料有限公司 A kind of weather-proof high CTI halogen-free flameproof PPO/HIPS composite material and preparation method
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CN113004675A (en) * 2019-12-20 2021-06-22 深圳科创新源新材料股份有限公司 High-wave-permeability dielectric material for 5G millimeter wave communication and preparation method thereof
CN111560164A (en) * 2020-06-11 2020-08-21 深圳市兴盛迪新材料有限公司 High-toughness weather-resistant high-temperature-resistant halogen-free flame-retardant polyphenyl ether composite material and preparation method thereof
CN111909502B (en) * 2020-06-30 2022-05-17 会通新材料股份有限公司 PPO-sPS composition and preparation method thereof
CN114230956B (en) * 2021-12-21 2023-08-15 天津金发新材料有限公司 Polystyrene composition and preparation method and application thereof
CN114410099B (en) * 2022-01-10 2023-10-20 上海金山锦湖日丽塑料有限公司 Transparent flame-retardant MPPO resin composition and preparation method thereof
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