CN102558783A - Polyphenyl ether/polybutylene terephthalate alloy and preparation method thereof - Google Patents

Polyphenyl ether/polybutylene terephthalate alloy and preparation method thereof Download PDF

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Publication number
CN102558783A
CN102558783A CN2010106052891A CN201010605289A CN102558783A CN 102558783 A CN102558783 A CN 102558783A CN 2010106052891 A CN2010106052891 A CN 2010106052891A CN 201010605289 A CN201010605289 A CN 201010605289A CN 102558783 A CN102558783 A CN 102558783A
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polybutylene terephthalate
compatilizer
alloy
resin
polyphenyl ether
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汤俊杰
杨涛
孟成铭
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Shanghai Rizhisheng New Technology Development Co Ltd
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Shanghai Rizhisheng New Technology Development Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing

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Abstract

The invention relates to a polyphenyl ether/polybutylene terephthalate alloy and a preparation method thereof. The polyphenyl ether (PPO)/polybutylene terephthalate (PPT) alloy comprises the following components in percent by weight: 20-40 percent of polyphenyl ether resin, 40-70 percent of polybutylene terephthalate resin, 5-20 percent of first compatilizer, 2-20 percent of second compatilizer, 0.1-1 percent of lubricating agent and 0.2-1 percent of antioxygen. The preparation method comprises the steps of: mixing components except for the polyphenyl ether resin and then adding in a double-screw extruder through main feeding measurement, adding the polyphenyl ether resin into the double-screw extruder through side feeding measurement, melting and plasticizing under actions of conveying and shearing of the polyphenyl ether resin, extruding and granulating the polyphenyl ether/polybutylene terephthalate alloy. The polyphenyl ether/polybutylene terephthalate alloy has excellent processing performance, excellent mechanical property, low water absorption, and high notch impact strength, achieves the purpose of efficacy enhancement and compatibilization through compounding two kinds of compatilizers, and overcomes the defects of poor compatibility and high cost in a PPO/PBT alloy system of the traditional compatilizer.

Description

A kind of ppe/polybutylene terephthalate alloy and preparation method
Technical field
The present invention relates to a kind of high polymer alloy and preparation method thereof, especially relate to a kind of ppe/polybutylene terephthalate alloy and preparation method.
Background technology
Ppe (PPO) resin is to be made first in nineteen fifty-seven by U.S. GE company, and realizes suitability for industrialized production in 1964.Because PPO resin treatment difficulty; Be difficult to practical application; Up to 1966, behind the exploitation MODIFIED PP O of the GE company resin, MODIFIED PP O was just with its excellent performance and numerous grades; Obtained to develop rapidly as general engineering plastic, become the fifth-largest general engineering plastic after PA, PC, POM, PBT/PET.The PPO resin has following feature performance benefit: nontoxic, transparent, specific density is little, good heat resistance, and physical strength is high; Water-tolerant, dimensional stability is good, and electrical property is excellent, good flame resistance; Chemical proofing is good, but the PPO resin also has its fatal defective, shows that melt viscosity is big, mobile extreme difference; Poor solvent resistance, antioxygen property is bad etc., so the PPO resin uses seldom separately, present PPO resin more than 90% all be with other polymer blending after use or carry out using after the chemical modification as alloy; A lot of in recent years scientific research personnel have done number of research projects on the PPO/PA alloy, comprise increase-volume, toughness reinforcing, enhancing and commercialization, have obtained good effect and are promoting the use of; PPO and PA blend can improve processing characteristics and the solvent resistance of PPO, can improve thermotolerance and the dimensional stability of PA again; But the water-intake rate of PPO/PA alloy material is bigger, can not injection moulding large-scale precision product, on this basis; Use the alloy for preparing after PPO and the PBT blend can keep water-intake rate low, physics and mechanical property possess thermotolerance, high impact and the good solvent resistance of PPO/PA alloy simultaneously again not because of suction changes.
PPO is a non-crystalline resin; Poor with crystalline PBT resin compatible; Therefore the key for preparing the PPO/PBT alloy is to improve the consistency between two phases; A kind of method is to add the response type compatilizer, all is that the PPO/PBT alloy effectively reacts solubilizing agent like the styrenic of epoxy coupling agents, sweat epoxy group(ing) or anhydride group such as SMAH, vinylbenzene-SY-Monomer G (GMA) multipolymer etc.; The another kind of method of PPO/PBT alloy reaction increase-volume is earlier PPO to be carried out chemical modification, makes it with going up the group that can react with the PBT end group, again with the PBT blend.Can carboxyl, amino, hydroxyl, ester group be arranged with the group of PBT end group reaction, because these groups are different with the response capacity of PBT, its compatibilization size is: carboxyl＞amino＞hydroxyl＞ester group.Though aforesaid method all can improve the processing characteristics and the mechanical property of PPO/PBT alloy to a certain extent, but still there is the not satisfactory or defect of high cost of consistency.
Summary of the invention
The object of the invention is exactly to provide a kind of consistency strong for the defective that overcomes above-mentioned prior art existence, the ppe that cost is low/polybutylene terephthalate alloy and preparation method.
The object of the invention can be realized through following technical scheme;
A kind of ppe/polybutylene terephthalate alloy is characterized in that, this alloy comprises following component and weight percent content:
Polyphenylene oxide resin (PPO) 20-40;
Polybutylene terephthalate resin (PBT) 40-70;
The first compatilizer 5-20;
The second compatilizer 2-20;
Lubricant 0.1-1;
Oxidation inhibitor 0.2-1.
Described polyphenylene oxide resin intrinsic viscosity is 0.40-0.45dl/g, and it is trichloromethane that this intrinsic viscosity is tested employed solvent, and temperature is 25 ℃.
Described first compatilizer is polycarbonate resin (PC).
Described second compatilizer by styrenic polymer, acrylic polymer and initiator by weight being (80-95): (20-5): (0.05-0.15) mix; In twin screw extruder, extrude through reaction and obtain, the extrusion temperature of twin screw extruder is 160-210 ℃.
Described styrene copolymer is selected from one or more in PS, high-impact polystyrene, vinylbenzene and butadienecopolymer or the acrylonitrile-butadiene-styrene copolymer.
Described acrylic polymer is selected from a kind of in SY-Monomer G, propenoate-glycidyl methacrylate copolymer, the vinylbenzene-glycidyl methacrylate copolymer.
Described initiator is selected from two (tert-butyl hydroperoxide sec.-propyl) benzene, 2,5-dimethyl--2, one or more in 5-di-t-butyl hexane peroxide, Di Cumyl Peroxide 99, t-tutyl cumyl peroxide or the ditertiary butyl peroxide.
Described oxidation inhibitor is the compound of Hinered phenols antioxidant or Hinered phenols antioxidant and phosphite ester kind antioxidant.
Described Hinered phenols antioxidant comprises commercially available antioxidant 1076, oxidation inhibitor 245 or antioxidant 1010.
Described phosphite ester kind antioxidant comprises commercially available oxidation inhibitor 168.
Described lubricant is selected from one or more in calcium stearate, ethylene bis stearic acid amide or the polyethylene wax.
The preparation method of a kind of ppe/polybutylene terephthalate alloy is characterized in that, this method may further comprise the steps:
(1) prepare raw material according to following component and weight percent content:
Polyphenylene oxide resin 20-40;
Polybutylene terephthalate resin 40-70;
The first compatilizer 5-20;
The second compatilizer 2-20;
Lubricant 0.1-1;
Oxidation inhibitor 0.2-1;
(2) with above-mentioned raw materials dry 4-6h under 100-120 ℃; Then other component except that polyphenylene oxide resin is put into high-speed mixer mixing 2-5min according to prescription; Be metered in the twin screw extruder through main feeding then, polyphenylene oxide resin is metered in the forcing machine through the side feeding, and the control screw speed is 250-600rpm; Extrusion temperature is 250-300 ℃; Under the conveying and shearing action of twin screw extruder, through fusion plastification, kneading is mixing, head is extruded, tie rod, cooling, pelletizing, drying, promptly obtains product.
Compared with prior art, the present invention has the following advantages:
(1) the PPO/PBT alloy material of the present invention preparation has good processing characteristics and mechanical property, has used two kinds of composite modes of dissimilar compatilizers to improve the consistency of PPO/PBT alloy;
(2) compatilizer that uses of the present invention has with low costly, and addition is few, is easy to get, and prepares simple advantage, and it is poor to have overcome existing PPO/PBT alloy compatilizer consistency, defect of high cost;
(3) preparation method of the present invention is simple to operate.
Embodiment
Below in conjunction with specific embodiment the present invention is elaborated.
Embodiment 1
The preparation of (1) second compatilizer
With 90 parts by weight of styrene base polymers, 10 parts by weight of acrylic acid esters polymers and 0.15 weight part initiator react in twin screw to be extruded, and extrusion temperature is 170 ℃; Wherein styrenic polymer is a PS, and acrylic polymer is a SY-Monomer G, and initiator is 2,5-dimethyl--2,5-di-t-butyl hexane peroxide.
(2) preparation of PPO/PBT alloy
Take by weighing following component by weight percentage: the PPO resin: 20%, the PBT resin: 70%, compatilizer A:5%, second compatilizer: 5%, lubricant is an ethylene bis stearic acid amide: 0.3%, oxidation inhibitor is 168/1010 (weight ratio is 1: 1): 0.4%.
Each resin is dry 4h under 120 ℃ all; To except that the PPO resin, other component put into high-speed mixer mixing 5min after the weighing in proportion earlier; Be metered into mixed melting in the twin screw extruder through main feeding then, the PPO resin is metered in the extruder barrel through the side feeding, and the control screw speed is 300rpm; Extrusion temperature is 260 ℃; Under the conveying and shearing action of twin screw extruder, through fusion plastification, kneading is mixing, head is extruded, tie rod, cooling, pelletizing, drying, promptly obtains product.
The The performance test results of PPO/PBT alloy is seen table 1.
Embodiment 2
The preparation of (1) second compatilizer
With 80 parts by weight of styrene base polymers, 20 parts by weight of acrylic acid esters polymers and 0.25 weight part initiator react in twin screw to be extruded, and extrusion temperature is 180 ℃; Wherein styrenic polymer is a styrene-butadiene copolymer, and acrylic polymer is propenoate-glycidyl methacrylate copolymer, and initiator is 2,5-dimethyl--2, and 5-di-t-butyl hexane peroxide and ditertiary butyl peroxide are formed.
(2) preparation of PPO/PBT alloy
Take by weighing following component by weight percentage: the PPO resin: 30%, the PBT resin: 60%, compatilizer A:7.5%, second compatilizer: 2.5%, lubricant is that calcium stearate and ethylene bis stearic acid amide are formed: 0.4%, oxidation inhibitor is 245:0.4%.
Each resin is dry 6h under 100 ℃ all; To except that the PPO resin, other component put into high-speed mixer mixing 5min after the weighing in proportion earlier; Be metered into mixed melting in the twin screw extruder through main feeding then, the PPO resin is metered in the extruder barrel through the side feeding, and the control screw speed is 400rpm; Extrusion temperature is 280 ℃; Under the conveying and shearing action of twin screw extruder, through fusion plastification, kneading is mixing, head is extruded, tie rod, cooling, pelletizing, drying, promptly obtains product.
The The performance test results of PPO/PBT alloy is seen table 1.
Embodiment 3
The preparation of (1) second compatilizer
With 85 parts by weight of styrene base polymers, 15 parts by weight of acrylic acid esters polymers and 0.1 weight part initiator react in twin screw to be extruded, and extrusion temperature is 200 ℃; Wherein styrenic polymer is an acrylonitrile-butadiene-styrene copolymer, and acrylic polymer is vinylbenzene-glycidyl methacrylate copolymer, and initiator is two (tert-butyl hydroperoxide sec.-propyl) benzene.
(2) preparation of PPO/PBT alloy
Take by weighing following component by weight percentage: the PPO resin: 35%, the PBT resin: 50%, compatilizer A:5%, second compatilizer: 10%, lubricant is a polyethylene wax: 0.4%, oxidation inhibitor is 1076 and 168:0.4%.
Each resin is dry 5h under 110 ℃ all; To except that the PPO resin, other component put into high-speed mixer mixing 5min after the weighing in proportion earlier; Be metered into mixed melting in the twin screw extruder through main feeding then, the PPO resin is metered in the extruder barrel through the side feeding, and the control screw speed is 500rpm; Extrusion temperature is 300 ℃; Under the conveying and shearing action of twin screw extruder, through fusion plastification, kneading is mixing, head is extruded, tie rod, cooling, pelletizing, drying, promptly obtains product.
The The performance test results of PPO/PBT alloy is seen table 1.
Embodiment 4
The preparation of (1) second compatilizer
With 95 parts by weight of styrene base polymers, 5 parts by weight of acrylic acid esters polymers and 0.05 weight part initiator react in twin screw to be extruded, and extrusion temperature is 210 ℃; Wherein styrenic polymer is a high-impact polystyrene, and acrylic polymer is a glycidyl methacrylate copolymer, and initiator is made up of two (tert-butyl hydroperoxide sec.-propyl) benzene and Di Cumyl Peroxide 99.
(2) preparation of PPO/PBT alloy
Take by weighing following component by weight percentage: the PPO resin: 40%, the PBT resin: 40%, compatilizer A:18%, second compatilizer: 2%, lubricant is made up of polyethylene wax and calcium stearate: 0.4%, oxidation inhibitor is 1098 and 168:0.4%.
Each resin is dry 6h under 100 ℃ all; To except that the PPO resin, other component put into high-speed mixer mixing 5min after the weighing in proportion earlier; Be metered into mixed melting in the twin screw extruder through main feeding then, the PPO resin is metered in the extruder barrel through the side feeding, and the control screw speed is 600rpm; Extrusion temperature is 310 ℃; Under the conveying and shearing action of twin screw extruder, through fusion plastification, kneading is mixing, head is extruded, tie rod, cooling, pelletizing, drying, promptly obtains product.
The The performance test results of PPO/PBT alloy is seen table 1.
Table 1
Figure BSA00000398206200061
Can be found out by table 1: the prepared PPO/PBT alloy of the present invention has good mechanical performance, and notched Izod impact strength is high, the characteristics that water-intake rate is low.
Embodiment 5
The preparation method of a kind of ppe/polybutylene terephthalate alloy may further comprise the steps:
(1) prepares raw material according to following component and content: polyphenylene oxide resin 20kg, polybutylene terephthalate resin 40kg, the first compatilizer 20kg, the second compatilizer 18kg, lubricant 1kg, oxidation inhibitor 1kg; Wherein, The polyphenylene oxide resin intrinsic viscosity is 0.40dl/g, and it is trichloromethane that this intrinsic viscosity is tested employed solvent, and temperature is 25 ℃; First compatilizer is polycarbonate resin (PC); Second compatilizer, is extruded through reaction in twin screw extruder and is obtained by weight being to mix at 80: 20: 0.1 by two (tert-butyl hydroperoxide sec.-propyl) benzene of PS, SY-Monomer G and initiator, and the extrusion temperature of twin screw extruder is 180 ℃; Oxidation inhibitor be commercially available oxidation inhibitor 245 with oxidation inhibitor 168 by weight the compound that is 1: 1, lubricant is a calcium stearate;
(2) with above-mentioned raw materials dry 6h under 100 ℃; Then other component except that polyphenylene oxide resin is put into high-speed mixer mixing 2min according to prescription; Be metered in the twin screw extruder through main feeding then, polyphenylene oxide resin is metered in the forcing machine through the side feeding, and the control screw speed is 250rpm; Extrusion temperature is 300 ℃; Under the conveying and shearing action of twin screw extruder, through fusion plastification, kneading is mixing, head is extruded, tie rod, cooling, pelletizing, drying, promptly obtains product.
Embodiment 6
The preparation method of a kind of ppe/polybutylene terephthalate alloy may further comprise the steps:
(1) prepares raw material according to following component and content: polyphenylene oxide resin 40kg, polybutylene terephthalate resin 52.7kg, the first compatilizer 5kg, the second compatilizer 2kg, lubricant 0.1kg, oxidation inhibitor 0.2kg; Wherein, The polyphenylene oxide resin intrinsic viscosity is 0.45dl/g, and it is trichloromethane that this intrinsic viscosity is tested employed solvent, and temperature is 25 ℃; First compatilizer is polycarbonate resin (PC); Second compatilizer is by vinylbenzene and butadienecopolymer, propenoate-glycidyl methacrylate copolymer and initiator 2,5-dimethyl--2, and the 5-di-t-butyl hexane peroxide is by weight being to mix at 85: 15: 0.12; In twin screw extruder, extrude and obtain through reaction; The extrusion temperature of twin screw extruder is 180 ℃, oxidation inhibitor be commercially available antioxidant 1010 and oxidation inhibitor 168 by weight the compound that is 1: 1, lubricant is the mixture of calcium stearate and ethylene bis stearic acid amide;
(2) with above-mentioned raw materials dry 4h under 120 ℃; Then other component except that polyphenylene oxide resin is put into high-speed mixer mixing 5min according to prescription; Be metered in the twin screw extruder through main feeding then, polyphenylene oxide resin is metered in the forcing machine through the side feeding, and the control screw speed is 250rpm; Extrusion temperature is 300 ℃; Under the conveying and shearing action of twin screw extruder, through fusion plastification, kneading is mixing, head is extruded, tie rod, cooling, pelletizing, drying, promptly obtains product.
Embodiment 7
The preparation method of a kind of ppe/polybutylene terephthalate alloy may further comprise the steps:
(1) prepares raw material according to following component and content: polyphenylene oxide resin 20kg, polybutylene terephthalate resin 70kg, the first compatilizer 5kg, the second compatilizer 4kg, lubricant 0.5kg, oxidation inhibitor 0.5kg; Wherein, The polyphenylene oxide resin intrinsic viscosity is 0.45dl/g; It is trichloromethane that this intrinsic viscosity is tested employed solvent; Temperature is 25 ℃, and first compatilizer is polycarbonate resin (PC), second compatilizer by vinylbenzene and butadienecopolymer, propenoate-glycidyl methacrylate copolymer and initiator t-tutyl cumyl peroxide by weight being to mix at 85: 15: 0.15; In twin screw extruder, extrude and obtain through reaction; The extrusion temperature of twin screw extruder is 200 ℃, oxidation inhibitor be commercially available antioxidant 1010 and oxidation inhibitor 168 by weight the compound that is 2: 1, lubricant is the mixture of ethylene bis stearic acid amide;
(2) with above-mentioned raw materials dry 5h under 110 ℃; Then other component except that polyphenylene oxide resin is put into high-speed mixer mixing 3min according to prescription; Be metered in the twin screw extruder through main feeding then, polyphenylene oxide resin is metered in the forcing machine through the side feeding, and the control screw speed is 400rpm; Extrusion temperature is 280 ℃; Under the conveying and shearing action of twin screw extruder, through fusion plastification, kneading is mixing, head is extruded, tie rod, cooling, pelletizing, drying, promptly obtains product.
Embodiment 8
The preparation method of a kind of ppe/polybutylene terephthalate alloy may further comprise the steps:
(1) prepares raw material according to following component and content: polyphenylene oxide resin 30kg, polybutylene terephthalate resin 41kg, the first compatilizer 8kg, the second compatilizer 20kg, lubricant 0.4kg, oxidation inhibitor 0.6kg; Wherein, The polyphenylene oxide resin intrinsic viscosity is 0.42dl/g, and it is trichloromethane that this intrinsic viscosity is tested employed solvent, and temperature is 25 ℃; First compatilizer is polycarbonate resin (PC); Second compatilizer is by acrylonitrile-butadiene-styrene copolymer, vinylbenzene-SY-Monomer G and initiator 2,5-dimethyl--2, and the 5-di-t-butyl hexane peroxide is by weight being to mix at 90: 10: 0.12; In twin screw extruder, extrude and obtain through reaction; The extrusion temperature of twin screw extruder is 210 ℃, oxidation inhibitor be commercially available antioxidant 1010 and oxidation inhibitor 168 by weight the compound that is 1: 1, lubricant is the mixture of calcium stearate and ethylene bis stearic acid amide;
(2) with above-mentioned raw materials dry 5h under 110 ℃; Then other component except that polyphenylene oxide resin is put into high-speed mixer mixing 3min according to prescription; Be metered in the twin screw extruder through main feeding then, polyphenylene oxide resin is metered in the forcing machine through the side feeding, and the control screw speed is 500rpm; Extrusion temperature is 270 ℃; Under the conveying and shearing action of twin screw extruder, through fusion plastification, kneading is mixing, head is extruded, tie rod, cooling, pelletizing, drying, promptly obtains product.

Claims (10)

1. ppe/polybutylene terephthalate alloy is characterized in that this alloy comprises following component and weight percent content:
Polyphenylene oxide resin (PPO) 20-40;
Polybutylene terephthalate resin (PBT) 40-70;
The first compatilizer 5-20;
The second compatilizer 2-20;
Lubricant 0.1-1;
Oxidation inhibitor 0.2-1.
2. a kind of ppe according to claim 1/polybutylene terephthalate alloy is characterized in that described polyphenylene oxide resin intrinsic viscosity is 0.40-0.45dl/g, and it is trichloromethane that this intrinsic viscosity is tested employed solvent, and temperature is 25 ℃.
3. a kind of ppe according to claim 1/polybutylene terephthalate alloy is characterized in that, described first compatilizer is polycarbonate resin (PC).
4. a kind of ppe according to claim 1/polybutylene terephthalate alloy; It is characterized in that; Described second compatilizer by styrenic polymer, acrylic polymer and initiator by weight being (80-95): (20-5): (0.05-0.15) mix; In twin screw extruder, extrude through reaction and obtain, the extrusion temperature of twin screw extruder is 160-210 ℃.
5. a kind of ppe according to claim 4/polybutylene terephthalate alloy; It is characterized in that described styrene copolymer is selected from one or more in PS, high-impact polystyrene, vinylbenzene and butadienecopolymer or the acrylonitrile-butadiene-styrene copolymer.
6. a kind of ppe according to claim 4/polybutylene terephthalate alloy; It is characterized in that described acrylic polymer is selected from a kind of in SY-Monomer G, propenoate-glycidyl methacrylate copolymer, the vinylbenzene-glycidyl methacrylate copolymer.
7. a kind of ppe according to claim 4/polybutylene terephthalate alloy; It is characterized in that; Described initiator is selected from two (tert-butyl hydroperoxide sec.-propyl) benzene, 2; 5-dimethyl--2, one or more in 5-di-t-butyl hexane peroxide, Di Cumyl Peroxide 99, t-tutyl cumyl peroxide or the ditertiary butyl peroxide.
8. a kind of ppe according to claim 1/polybutylene terephthalate alloy; It is characterized in that; Described oxidation inhibitor is the compound of Hinered phenols antioxidant or Hinered phenols antioxidant and phosphite ester kind antioxidant; Described Hinered phenols antioxidant comprises commercially available antioxidant 1076, oxidation inhibitor 245 or antioxidant 1010, and described phosphite ester kind antioxidant comprises commercially available oxidation inhibitor 168.
9. a kind of ppe according to claim 1/polybutylene terephthalate alloy is characterized in that described lubricant is selected from one or more in calcium stearate, ethylene bis stearic acid amide or the polyethylene wax.
10. the preparation method of ppe as claimed in claim 1/polybutylene terephthalate alloy is characterized in that, this method may further comprise the steps:
(1) prepare raw material according to following component and weight percent content:
Polyphenylene oxide resin 20-40;
Polybutylene terephthalate resin 40-70;
The first compatilizer 5-20;
The second compatilizer 2-20;
Lubricant 0.1-1;
Oxidation inhibitor 0.2-1;
(2) with above-mentioned raw materials dry 4-6h under 100-120 ℃; Then other component except that polyphenylene oxide resin is put into high-speed mixer mixing 2-5min according to prescription; Be metered in the twin screw extruder through main feeding then, polyphenylene oxide resin is metered in the forcing machine through the side feeding, and the control screw speed is 250-600rpm; Extrusion temperature is 250-300 ℃; Under the conveying and shearing action of twin screw extruder, through fusion plastification, kneading is mixing, head is extruded, tie rod, cooling, pelletizing, drying, promptly obtains product.
CN2010106052891A 2010-12-21 2010-12-21 Polyphenyl ether/polybutylene terephthalate alloy and preparation method thereof Pending CN102558783A (en)

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WO2016187791A1 (en) * 2015-05-25 2016-12-01 Sabic Global Technologies B.V. Poly (phenylene ether) composition and article

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CN101759964A (en) * 2008-12-23 2010-06-30 上海金发科技发展有限公司 Polybutylene terephthalate/polyphenylether composite material

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Application publication date: 20120711