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CN108264767A - A kind of NMT technologies PPS/PPO alloys engineering plastics and preparation method - Google Patents

A kind of NMT technologies PPS/PPO alloys engineering plastics and preparation method Download PDF

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Publication number
CN108264767A
CN108264767A CN201810122669.6A CN201810122669A CN108264767A CN 108264767 A CN108264767 A CN 108264767A CN 201810122669 A CN201810122669 A CN 201810122669A CN 108264767 A CN108264767 A CN 108264767A
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pps
ppo
engineering plastics
mixture
styrene
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Inventor
曹艳霞
陆永健
谭光凤
赖华林
邓冬颜
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SHENZHEN HALCYON ENGINEERING PLASTICS Co Ltd
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SHENZHEN HALCYON ENGINEERING PLASTICS Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L81/00Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
    • C08L81/02Polythioethers; Polythioether-ethers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • 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

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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 present invention provides a kind of NMT technologies PPS/PPO alloys engineering plastics and preparation methods suitable for high frequency communications condition.In parts by mass, PPS/PPO alloys engineering plastics are mainly prepared by following raw material:30~70 parts of PPS resin;10~50 parts of PPO resins or MPPO resins;10~50 parts of glass fibre;3~15 parts of toughener;0.1~10 part of catalyst;0.5~5 part of stabilizer;0.5~3 part of lubricant.NMT technologies of the present invention are low with PPS/PPO alloy engineering plastics dielectric constants, and dielectric constant is 2.8 3.3 under 5GHz test conditions;PPS/PPO alloys engineering plastics and metal injection molded molding pulling capacity are high, and the pulling capacity with aluminium alloy is more than 180kgf/cm2;Highest can reach 230kgf/cm2, it is applicable in NMT technology moulding process.

Description

A kind of NMT technologies PPS/PPO alloys engineering plastics and preparation method
Technical field
The present invention relates to engineering plastics technical field more particularly to a kind of NMT technologies PPS/PPO alloy engineering plastics.
Background technology
Nanometer injection molding technology (NMT) is a kind of skill for directly projecting plastic cement to metal surface and reaching and being engaged with metal perfection Art can be used for replacing traditional joint method such as cladding, metal riveting in glued, mould, light, thin, short, small to reach product Purpose, there is boundless potential market using the product of nanometer forming technique manufacture and have both again cheap price advantage and Processing cost.Polyphenylene sulfide (PPS) base engineering plastics are one of existing market mainstream NMT technology-specific material.
5th generation mobile phone mobile communication, is abbreviated as 5G.The high planning transmission rate of 5G mobile communication can be up to 10~ 50Gbps is 10 times or more of 4G mobile communication transmission rates.The arrival of 5G technologies allows virtual reality, augmented reality, intelligence to cure The scene inside science fiction movies such as treating becomes to realize, therefore the development in the strategy such as Internet of Things, cloud computing field will also accelerate.
As intelligent mobile terminal, intelligent automobile component, smart home device, wearable device are announced to the world splendidly and rise suddenly and sharply Demand, application field of the nanometer injection molding technology over nearly 3 years expand rapidly, and have huge market should in the 5G communications fields Use potentiality.Nanometer forming technique (NMT) has stringent selectivity to material.Polyphenylene sulfide (PPS) is most common nanometer note Mould one of PP Pipe Compound, polyphenylene oxide, poly- 2, the 6- dimethyl-Isosorbide-5-Nitrae-phenylate of alias;Polyphenylene oxygen, English name Poly-phenylene Oxide abbreviation PPO, the dielectric constant of polyphenylene oxide is only 2.5-2.7 or so, and polyphenylene oxide not only has excellent physical mechanics property Energy, electric insulating quality and heat resistance, and the creep resistant under its high temperature is preferable.Since molecule does not contain any hydrolysising group, Water resistance protrudes;Molecular-chain polarr is weaker, and chemical resistance and electrical insulation capability are good;It a large amount of phenyl ring and is sealed in main chain The active site closed makes strand have higher rigidity and intermolecular cohesiveness, thus better heat stability.Polyphenylene oxide it is excellent It puts and is:(l) containing a large amount of benzene ring structure in physical mechanical property polyphenylene oxide strand, molecule chain rigidity is stronger, mechanical strength Height has higher hardness and toughness;Creep is small, excellent size stability.(2) hot property polyphenylene oxide has higher heat-resisting Property, for glass transition temperature up to 211 DEG C, fusing point is 268 DEG C, and heat decomposition temperature is 330 DEG C.(3) in electrical property polyphenylene oxide molecular structure Without highly polar group, in very wide temperature and frequency range, good electrical property, dielectric constant and dielectric loss can be kept Angle tangent is minimum in engineering plastics, and is not influenced by temperature, humidity and frequency.(4) chemical property polyphenylene oxide is noncrystalline Resin, without hydrolyzable group in molecular structure, water-tolerant, its performance change of Reusability is not in high steam for product Greatly, it but can be dissolved in halogenated aliphatic hydrocarbon and aromatic hydrocarbons.Shortcoming is:(1) melt viscosity is high, it is extremely difficult to flow, simple resin is difficult to note Penetrate molding;(2) glass fiber reinforcement and filling after product surface it is coarse, low in glossiness;(3) impact strength is poor, product embrittlement, melts It is also bad to connect intensity.But there is the shortcomings that dielectric constant high (more than 3.6,5GHZ), 5G communications long wavelength, height can not be met The requirement of frequency and large capacity to material.Therefore it provides a kind of NMT technology polyphenylene sulfide engineering plastics for meeting 5G communicating requirements Material, becomes engineering plastics field urgent problem to be solved.
Invention content
In view of this, one aspect of the present invention provides a kind of NMT technologies PPS/PPO alloy engineering plastics.The PPS/PPO is closed Metal working engineering plastics solve the problems, such as that PPS resin dielectric constant is high and low with the pulling capacity of metal, meet 5G communicating requirements, fit For NMT moulding process.
Another aspect of the present invention provides a kind of preparation side of PPS/PPO alloy engineering plastics for preparing above-mentioned NMT technologies Method, solves that PPS resin dielectric constant is high and drawing with metal using PPS/PPO alloys engineering plastics made from this method The problem of power is low meets 5G communicating requirements, suitable for nanometer injection molding process.
The present invention uses following technical scheme:
A kind of NMT technologies PPS/PPO alloy engineering plastics, in parts by mass, are mainly prepared by following raw material:
The PPO resins of certain content are introduced in PPS resin system, since PPO resins have excellent dielectric properties, then The dielectric properties of resulting materials have to be improved by a relatively large margin.Although however, PPS is alike on molecular structure with PPO, and sulphur, Oxygen element is also congeners, but the two compatibility is poor.Solubility parameter is characterize high molecular material polarity one Important indicator according to similar compatibility principle, has preferable compatibility between the close macromolecule resin of solubility parameter.PPS Resin is a kind of crystalline polymer, solubility parameter l3.5;And PPO resins are a kind of amorphous polymers, solubility ginseng Number is 9.0, and the solubility parameter difference of the two is huge, and compatibility is very poor.Further from their analysis of the molecular structure, PPO benzene Also there are two methyl for band on ring, make resistance bigger during rotation in carbon on phenyl ring, ehter bond, therefore molecular rigidity is even more than PPS, And viscosity bigger.Also without similar hydrogen bond active force special in this way between the two strand, from the angle of thermodynamics and kinetics Degree sees, PPS and PPO will not melt blending into high performance alloy well.Therefore must by appropriate approach improve PPS with The compatibility of PPO interlaminar resins.The approach of common improvement PPS and the compatibility of PPO resins is to add in amorphous polystyrene, ring The compatilizers such as oxygen resin, the compatibility that both can improve to a certain extent, but there are compatilizer additive amount is big, can reduce Impact, rigidity or the heat resistance of material such as are not improved the fluidity of molten of material at the influences, and the addition of epoxy resin is very To melt viscosity is further increased, the difficulty of processing of material is increased.
PPO molecule redistribution reactions be by PPO molecular resins with one or more active function groups phenols or its The small-molecule substance that he has chemical reactivity is reacted, and disconnects PPO macromolecular chains, and activity is introduced on molecular backbone Group improves the reactivity of PPO resin backbones, and activity is extremely strong in the active group high-temperature fusion extrusion, not only may be used It is outer with its reaction with the functional groups such as hydroxyl, the carboxyl in material system, can also and PPS resin main chain on sulphur atom Learn reaction, random chemical bond link directly formd in PPO resins and PPS resin, so as to be greatly improved PPS and The compatibility of PPS, while reduce the melt viscosity of PPO.
Compared with common addition amorphous polystyrene, epoxy resin improve the compatible sexual approach of PPS and PPO, using PPO The advantages of compatibility of both redistribution reaction improvement is that the additive amount of catalyst is few, to Effect on Mechanical Properties very little, while The fluidity of molten and processing performance of material can be obviously improved simultaneously by improving the compatibility of the two.
Wherein, in parts by mass, it is mainly prepared by following raw material:
Wherein, the PPS resin is straight chain type PPS resin;
Preferably, under the conditions of 316 DEG C/5Kgf, the MFR of the PPS resin is 20~500g/10min, such as 30g/ 10min, 50g/10min, 100g/10min, 200g/10min, 300g/10min or 400g/10min etc., preferably 50~350g/ 10min。
Preferably, the intrinsic viscosity of the PPO resins be 35~50, such as 36,38,40,42,45 or 48, preferably 40~ 50;
Preferably, the MPPO resins are PPO/HIPS alloy resins, and the content of PPO resins is not low in the MPPO resins In the 50% of the PPO alloy resins weight, as PPO resin contents for PPO alloy resins 50%, 55%, 60%, 70%, 80%th, 90% etc..
Wherein, the glass fiber with low dielectric constant be low-k short glass fiber, the low-k glass The dielectric constant of glass fiber is 4~5, such as 4.0,4.2,4.5,4.8.
Wherein, the toughener is selected from epoxy copolymerized object, optional styrene analog thermoplastic elastomer, optional acid anhydrides and changes Property styrene analog thermoplastic elastomer, wherein, epoxy copolymerized object for the toughener weight more than 40%, such as it is epoxy copolymerized Object is 40%, 50%, 60% etc. of toughener weight;
Preferably, the epoxy copolymerized object is selected from aliphatic glycidyl ester copolymer and/or glycidol ether is copolymerized Object, preferred vinyl glycidyl ether copolymers, allyl glycidyl ether copolymer, maleic acid glycidyl ester copolymer, Glycidyl methacrylate copolymer or one kind or at least two mixture in glycidyl acrylate copolymer, Further preferred vinyl glycidyl ether copolymer and allyl glycidyl ether copolymer;
Preferably, the styrene analog thermoplastic elastomer is selected from styrene/butadiene/styrene block copolymers, benzene Ethylene/isoprene/styrene block copolymer, styrene/ethylene/butylene/styrene block copolymer or styrene/second One kind or at least two mixture in alkene/ethylene/propylene alkene block copolymer, optimization styrene/ethylene/butylene/styrene Block copolymer and/or styrene/ethylene/ethylene/propylene alkene block copolymer;
Preferably, the anhydride modified styrene analog thermoplastic elastomer be selected from anhydride modified styrene/ethylene/butylene/ Styrene block copolymer and/or anhydride modified styrene/ethylene/ethylene/propylene alkene block copolymer, optimization styrene/ethylene/ Butylene/styrene grafted maleic anhydride copolymer.
Wherein, mixture of the catalyst for organic peroxide and monomer phenols, the organic peroxide and list The weight ratio of body phenols is (0.1~3):1, such as 0.1:1、0.2:1、0.5:1、0.6:1 etc., preferably (0.2~0.6):1;
Preferably, the organic peroxide is benzoyl peroxide, alkoxy peroxide or alkyl peroxy One kind or at least two mixture in object;
Preferably, the benzoyl peroxide is selected from benzoyl peroxide and/or 2,4- dichlorobenzoperoxide;
Preferably, the alkoxy peroxide is selected from peroxidating 2- ethylhexyl acid tert-pentyl ester, peroxidating 2- ethyl hexyls Base tert-butyl acrylate, peroxidating acetic acid tert-pentyl ester, peroxide acid tert-amyl acetate, the benzoyl peroxide tert-butyl ester, peroxidating 3.5.5 Bis- (t-amyl peroxy) ethyl butyrates of trimethylhexanoate, 3,3-, bis- (t-butyl peroxy) ethyl butyrates of 3,3- or peroxide Change one kind or at least two mixture in methyl ethyl ketone;
Preferably, the alkyl peroxide is selected from bis- (t-amyl peroxy) hexamethylenes of 1,1'-, bis- (the tertiary butyl mistakes of 1,1'- Oxygen) -3,3,5- trimethyl-cyclohexanes, cumyl peroxide, di t-amyl peroxide, di-t-butyl peroxide, peroxidating uncle Amyl, tert-butyl peroxide or one kind in 2,5- dimethyl -2,5- di-t-butyl hexane peroxides or at least two mixing Object;
Preferably, the free phenol includes phenol, bisphenol-A, 2,6- dimethyl -4- methoxy-phenols, 2,6- dimethyl -4 Methylphenol, 4- metoxyphenols, 2,6- dimethoxy-4 's-chloro- phenol, 4-TBP, 4- ethyl -phenols, 4- methylbenzenes One kind or at least two mixture in phenol etc..
Wherein, the stabilizer is the mixture of antioxidant, metal oxide and UV absorbers;
Preferably, the mass ratio of the metal oxide and the UV absorbers is 7:3~3:7, such as 7:3、7:5、 7:6、2:1、3:2 etc., preferably 3:2~2:3;
Preferably, the antioxidant is polynary hindered phenol antioxygen and/or phosphite antioxidant;
Preferably, the metal oxide is in zinc oxide, zinc sulphide, magnesia, nano zine oxide, nano magnesia It is a kind of or at least two mixture;
Preferably, the UV absorbers are selected from benzotriazole UV absorbers, triazines UV absorbers One kind in benzylidene malonic acid esters UV absorbers or at least two mixture, preferably benzotriazole it is ultraviolet Light absorber and/or triazines UV absorbers.Such as UV234, UV5411, PR25, B-CAP, UV1164, UV1157 etc..
Wherein, the lubricant is in-lubricant and the mixture of external lubricant;Preferably, the lubricant is selected from polynary In the stearic acid esters of alcohol, the stearates of polyalcohol, stearic amide class, silicone or fluoropolymer additive The mixture of at least two mixture, preferably silicone, fluoropolymer additive and polyalcohol stearic acid alcohol ester.
Preferably, the in-lubricant be silicone series lubricant agent and/or stearate series lubricant agent, the stearic acid esters Lubricant is preferably the stearate series lubricant agent containing polyalcohol;
Preferably, the external lubricant is polyethylene wax series and/or amide compound species;
A kind of above-mentioned NMT technologies preparation method of PPS/PPO alloy engineering plastics, includes the following steps:
(1) according to proportioning, the PPS resin, PPO resins or MPPO resins, toughener, catalyst, stabilizer are carried out Mixing premixing obtains mixture;
(2) different charge doors add in the lubricant of glass fibre and the weightless catalyst claimed, carry out extruding pelletization, and stirring is equal It is even, NMT technologies PPS/PPO alloy engineering plastics are made.
Wherein, in step (2), the heating temperature of the extruding pelletization is as follows:One 160~200 DEG C of area, two areas 220~250 DEG C, 230~270 DEG C of 3rd area, 250~290 DEG C of 4th area, 270~310 DEG C of 5th area, 280~320 DEG C of 6th area and head 260~280 ℃。
Beneficial effects of the present invention:PPO resins and/or MPPO resins in the present invention squeeze under catalyst action in melting Go out and redistribution reaction occurs in reaction process, reduce melt viscosity, greatly improve compatible with during PPS resin melt blending Property, and significantly reduce the dielectric constant of PPS/PPO alloy engineering plastics, suitable for the 5G communications fields, then with toughener, stabilizer And lubricant is used cooperatively, the pulling capacity of PPS/PPO alloys engineering plastics and metal is high, suitable for NMT moulding process. The PPS/PPO alloy engineering plastics dielectric constants of the NMT technologies of the present invention are low, and dielectric constant is 2.8- under 5GHz test conditions 3.3;PPS/PPO alloys engineering plastics and metal injection molded molding pulling capacity are high, and the pulling capacity with aluminium alloy is more than 180kgf/ cm2;Highest can reach 230kgf/cm2, it is applicable in nanometer injection molding process;PPS/PPO alloy engineering plastics rigidity-toughness balanceds, it is resistance to Hot good, for processing temperature at 280 DEG C or more, highest can reach 320 DEG C;PPS/PPO alloy engineering plastics melt-processed flows Property is good, can prepare long-range thin-gage goods.
Description of the drawings
Fig. 1 is the preparation flow schematic diagram of the NMT technologies PPS/PPO alloy engineering plastics of the present invention.
Specific embodiment
The technical solution further illustrated the present invention with reference to specific embodiment.
Embodiment 1:The PPS/PPO alloy engineering plastics of the NMT technologies of the present embodiment, in parts by mass, including following Component:
Wherein, catalyst is organic peroxide and the mixture of monomer phenols.
The preparation method of the PPS/PPO alloy engineering plastics of NMT technologies in the present embodiment is as follows:
According to proportioning, above-mentioned PPS resin, PPO resins, toughener, stabilizer are subjected to mixing premixing and obtain mixture;
Different charge doors add in glass fibre and the weightless catalyst and lubricant claimed, carry out melting extrusion granulation, stirring Uniformly, NMT technologies PPS/PPO alloy engineering plastics are made.
The heating temperature setting of extruder is as follows:One 160~200 DEG C of area, 220~250 DEG C of 2nd area, three areas 230~270 DEG C, 250~290 DEG C of 4th area, 270~310 DEG C of 5th area, 260~280 DEG C of 280~320 DEG C of 6th area and head.
Embodiment 2:The NMT technologies of the present embodiment PPS/PPO alloy engineering plastics, in parts by mass, including with the following group Point:
Wherein, glass fibre is low-k short glass fiber, and catalyst is alkyl peroxide, benzoyl mistake Oxide and monomer phenols mass ratio are 0.5:0.5:1 mixture.
The NMT technologies of the present embodiment are same as Example 1 with the preparation method of PPS/PPO alloy engineering plastics.
Embodiment 3:The NMT technologies of the present embodiment PPS/PPO alloy engineering plastics, in parts by mass, including with the following group Point:
Wherein, glass fibre is low-k short glass fiber, and catalyst is di-t-butyl peroxide, benzoyl peroxide Formyl and -4 methylphenol mass ratio of 2,6- dimethyl are 0.5:0.5:1 mixture, toughener is epoxy copolymerized object, benzene second Alkene/Butadiene/Styrene block copolymer.
The present embodiment NMT technologies are same as Example 2 with the preparation method of PPS/PPO alloy engineering plastics.
Embodiment 4:The NMT technologies of the present embodiment PPS/PPO alloy engineering plastics, in parts by mass, including with the following group Point:
Wherein, glass fibre is low-k short glass fiber, and catalyst is di-t-butyl peroxide, benzoyl peroxide Formyl and -4 methylphenol mass ratio of 2,6- dimethyl are 0.3:0.3:1 mixture, toughener are AX8900 (ethylene/propenes Sour methyl esters/glycidyl methacrylate copolymer), styrene/ethylene/butylene/styrene grafted maleic anhydride copolymer.
The present embodiment NMT technologies are same as Example 1 with the preparation method of PPS/PPO alloy engineering plastics.
Comparative example 1:The PPS engineering plastics of this comparative example, in parts by mass, including following components:
The preparation method of PPS engineering plastics is same as Example 1 in this comparative example.
Comparative example 2:The PPS engineering plastics of this comparative example, in parts by mass, including following components:
Preparation method in this comparative example is same as Example 1.
Comparative example 3:The PPS engineering plastics of this comparative example, in parts by mass, including following components:
Wherein, glass fibre be low-k short glass fiber, AX8900 (ethylene/methyl acrylates/metering system Acid glycidyl ester copolymer), styrene/ethylene/butylene/styrene grafted maleic anhydride copolymer.
Comparative example 4:The NMT technologies of this comparative example PPS/PPO alloy engineering plastics, in parts by mass, including with the following group Point:
Wherein, glass fibre is low-k short glass fiber, and catalyst is di-t-butyl peroxide, benzoyl peroxide Formyl and -4 methylphenol mass ratio of 2,6- dimethyl are 0.3:0.3:1 mixture, toughener are AX8900 (ethylene/propenes Sour methyl esters/glycidyl methacrylate copolymer), styrene/ethylene/butylene/styrene grafted maleic anhydride copolymer.
This comparative example NMT technologies are same as Example 1 with the preparation method of PPS/PPO alloy engineering plastics.
Performance test:NMT technologies made from Examples 1 to 4, comparative example 1-4 are subjected to following performance with PPS engineering plastics Test, as a result such as following table:
By upper table it can be seen that:
Compared with comparative example 1, PPO resins and catalyst, PPS/PPO alloys engineering plastics obtained are contained in embodiment 1 Low dielectric constant is 3.0, meets 5G communicating requirements, and be increased dramatically with the pulling capacity of metal material, reaches 201Kgf/ cm2, meet the requirement of NMT technologies.
Compared with Example 1, processing is optimized in embodiment 2 to constituent content, glass fibre is short for low-k Glass fibre is cut, catalyst is that alkyl peroxide, benzoyl peroxide and monomer phenols mass ratio are 0.5:0.5:1 Mixture is conducive to further reduce the dielectric constant of PPS/PPO alloy engineering plastics, with the pulling capacity of metal material also It improves.
Compared with comparative example 2, added with catalyst, the melting stream of PPS/PPO alloys engineering plastics obtained in embodiment 3 Dynamic index is significantly improved, and dielectric constant also decreases.
Compared with comparative example 3, that is added in embodiment 4 has catalyst, and catalyst is di-t-butyl peroxide, benzoyl peroxide Formyl and -4 methylphenol mass ratio of 2,6- dimethyl are 0.3:0.3:1 mixture, PPS/PPO alloys engineering plastics obtained Melt flow index be significantly improved, dielectric constant also decreases, also best with the pulling capacity of metal material, reaches 236Kgf/cm2
Compared with comparative example 4, compatilizer is substituted with catalyst in embodiment 4, catalyst is di-t-butyl peroxide, peroxide It is 0.3 to change benzoyl and -4 methylphenol mass ratio of 2,6- dimethyl:0.3:1 mixture, PPS/PPO alloys engineering obtained The melt flow index of plastics is significantly improved.
NMT technical matters requires the cohesive force with metal in 180Kgf/cm2More than, PPS/PPO alloys engineering plastic of the present invention Material is excellent with the cohesive force of metal material, and pulling capacity is even up to 236Kgf/cm2, meet nanometer injection molding process demand;It is situated between Electric constant is low, under 5GHz test conditions dielectric constant be 2.9-3.5, good mechanical properties.
It should be noted that and understand, in the spirit and scope for not departing from appended claims the claimed invention In the case of, various modifications and improvements can be made to the present invention of foregoing detailed description.It is therefore desirable to the technical solution of protection Range do not limited by given any specific exemplary teachings.
Applicant states that the present invention illustrates the detailed process equipment of the present invention and technological process by above-described embodiment, But the invention is not limited in above-mentioned detailed process equipment and technological processes, that is, it is above-mentioned detailed not mean that the present invention has to rely on Process equipment and technological process could be implemented.Person of ordinary skill in the field it will be clearly understood that any improvement in the present invention, The addition of equivalence replacement and auxiliary element to each raw material of product of the present invention, selection of concrete mode etc. all fall within the present invention's Within protection domain and the open scope.

Claims (10)

1. a kind of NMT technologies PPS/PPO alloy engineering plastics, which is characterized in that in parts by mass, mainly by following raw material system It is standby to obtain:
2. the PPS/PPO alloy engineering plastics of nanometer injection according to claim 1, which is characterized in that in parts by mass, Mainly it is prepared by following raw material:
3. NMT technologies according to claim 1 or 2 PPS/PPO alloy engineering plastics, which is characterized in that the PPS trees Fat is straight chain type PPS resin;
Preferably, under the conditions of 316 DEG C/5Kgf, the MFR of the PPS resin is 20~500g/10min, preferably 50~350g/ 10min;
Preferably, the intrinsic viscosity of the PPO resins is 35~50, preferably 40~50;
Preferably, the MPPO resins are PPO/HIPS alloy resins, and the content of PPO is not less than described in the MPPO resins The 50% of PPO alloy resin weight.
4. the NMT technologies PPS/PPO alloy engineering plastics according to one of claims 1 to 3, which is characterized in that described Glass fibre is low-k short glass fiber, and the dielectric constant of the glass fiber with low dielectric constant is 4~5.
5. the NMT technologies PPS/PPO alloy engineering plastics according to one of Claims 1 to 4, which is characterized in that described Toughener is selected from epoxy copolymerized object, optional styrene analog thermoplastic elastomer, optional anhydride modified styrene analog thermoplastic Elastomer, wherein, epoxy copolymerized object is more than 40% weight of the toughener;
Preferably, the epoxy copolymerized object is selected from aliphatic glycidyl ester copolymer and/or glycidyl ether copolymers, excellent Select vinyl glycidyl ether copolymer, allyl glycidyl ether copolymer, maleic acid glycidyl ester copolymer, methyl-prop Olefin(e) acid glycidyl ester copolymer or one kind or at least two mixture in glycidyl acrylate copolymer, further Preferred vinyl glycidyl ether copolymers and allyl glycidyl ether copolymer;
Preferably, the styrene analog thermoplastic elastomer be selected from styrene/butadiene/styrene block copolymers, styrene/ Isoprene/styrene block copolymer, styrene/ethylene/butylene/styrene block copolymer or styrene/ethylene/second One kind or at least two mixture in alkene/propylene-based block copolymer, optimization styrene/ethylene/butylene/styrene block are common Polymers and/or styrene/ethylene/ethylene/propylene alkene block copolymer;
Preferably, the anhydride modified styrene analog thermoplastic elastomer is selected from anhydride modified styrene/ethylene/butylene/benzene second Alkene block copolymer and/or anhydride modified styrene/ethylene/ethylene/propylene alkene block copolymer, optimization styrene/ethylene/fourth Alkene/styrene-grafted copolymer-maleic anhydride.
6. the NMT technologies PPS/PPO alloy engineering plastics according to one of Claims 1 to 5, which is characterized in that described Mixture of the catalyst for organic peroxide and monomer phenols, the weight ratio of the organic peroxide and monomer phenols are (0.1~3):1, preferably (0.1~0.8):1;
Preferably, the organic peroxide is in benzoyl peroxide, alkoxy peroxide or alkyl peroxide One kind or at least two mixture;
Preferably, the benzoyl peroxide is selected from benzoyl peroxide and/or 2,4- dichlorobenzoperoxide;
Preferably, the alkoxy peroxide is selected from peroxidating 2- ethylhexyl acid tert-pentyl ester, peroxidating 2- ethylhexyls acid The tert-butyl ester, peroxidating acetic acid tert-pentyl ester, peroxide acid tert-amyl acetate, the benzoyl peroxide tert-butyl ester, peroxidating 3.5.5 front threes Bis- (t-amyl peroxy) ethyl butyrates of base hecanoic acid t-butyl ester, 3,3-, bis- (t-butyl peroxy) ethyl butyrates of 3,3- or peroxidating first One kind or at least two mixture in ethyl ketone;
Preferably, the alkyl peroxide be selected from bis- (t-amyl peroxy) hexamethylenes of 1,1'-, 1,1'- bis- (t-butyl peroxies)- 3,3,5- trimethyl-cyclohexanes, cumyl peroxide, di t-amyl peroxide, di-t-butyl peroxide, peroxidating tertiary pentyl, Tert-butyl peroxide or one kind or at least two mixture in 2,5- dimethyl -2,5- di-t-butyl hexane peroxides;
Preferably, the free phenol includes phenol, bisphenol-A, 2,6- dimethyl -4- methoxy-phenols, -4 methyl of 2,6- dimethyl Phenol, 4- metoxyphenols, 2,6- dimethoxy-4 's-chloro- phenol, 4-TBP, 4- ethyl -phenols, 4- methylphenols etc. In one kind or at least two mixture.
7. the NMT technologies PPS/PPO alloy engineering plastics according to one of claim 1~6, which is characterized in that described Stabilizer is the mixture of antioxidant, metal oxide and UV absorbers;
Preferably, the mass ratio of the metal oxide and the UV absorbers is 7:3~3:7, preferably 3:2~2:3;
Preferably, the antioxidant is polynary hindered phenol antioxygen and/or phosphite antioxidant;
Preferably, the metallic compound is a kind of in zinc oxide, zinc sulphide, magnesia, nano zine oxide, nano magnesia Or at least two mixture;
Preferably, the UV absorbers are selected from benzotriazole UV absorbers, triazines UV absorbers or benzene One kind or at least two mixture in methylene malonate class UV absorbers, preferably benzotriazole ultraviolet light are inhaled Receive agent and/or triazines UV absorbers.
8. the NMT technologies PPS/PPO alloy engineering plastics according to one of claim 1~7, which is characterized in that described Lubricant is in-lubricant and the mixture of external lubricant;Preferably, the lubricant is selected from the stearic acid esters, more of polyalcohol At least two mixture in the stearates of first alcohol, stearic amide class, silicone or fluoropolymer additive, It is preferred that the mixture of silicone, fluoropolymer additive and polyalcohol stearic acid alcohol ester;Preferably, the in-lubricant is Silicone series lubricant agent and/or stearate series lubricant agent, the stearate series lubricant agent are preferably the tristearin containing polyalcohol Acid ester type emollients;
Preferably, the external lubricant is polyethylene wax series and/or amide compound species.
9. the NMT technologies preparation method of PPS/PPO alloy engineering plastics described in a kind of one of claim 1~8, feature It is, includes the following steps:
(1) according to proportioning, the PPS resin, PPO resins or MPPO resins, toughener, stabilizer mix To mixture;
(2) different charge doors add in glass fibre and the mixture of catalyst and lubricant, carry out melting extrusion granulation, and stirring is equal It is even, NMT technologies PPS/PPO alloy engineering plastics are made.
10. preparation method according to claim 9, which is characterized in that in step (2), the heating temperature of the extruding pelletization Degree is as follows:One 160~200 DEG C of area, 220~250 DEG C of 2nd area, 230~270 DEG C of 3rd area, 250~290 DEG C of 4th area, five areas 270~ 260~280 DEG C of 310 DEG C, 280~320 DEG C of 6th area and head.
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Application publication date: 20180710