CN102241885B - Composite material of polyphthalamide (PPA) and polyphenylene sulfide (PPS) and preparation method thereof - Google Patents

Composite material of polyphthalamide (PPA) and polyphenylene sulfide (PPS) and preparation method thereof Download PDF

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Publication number
CN102241885B
CN102241885B CN2010102896542A CN201010289654A CN102241885B CN 102241885 B CN102241885 B CN 102241885B CN 2010102896542 A CN2010102896542 A CN 2010102896542A CN 201010289654 A CN201010289654 A CN 201010289654A CN 102241885 B CN102241885 B CN 102241885B
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lubricant
polyphenylene sulfide
polyphthalamide
matrix material
ppa
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CN102241885A (en
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徐东
徐永
马百钧
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Polymer Science Shenzhen New Materials Co Ltd
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Polymer Science Shenzhen New Materials Co Ltd
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    • 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
    • B29C48/03Extrusion 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
    • B29C48/04Particle-shaped

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention belongs to the technical field of macromolecular materials, and particularly, discloses a composite material of PPA and PPS and a preparation method thereof. The PPA and the PPS, which are used as main raw materials, are modified under a melting state in combination with a filling enhancer, a lubricating agent, an antioxidant and a coupling agent. The filling enhancer is added to improve the mechanical and thermal properties of the composite material, the lubricating agent is added to improve the processability of the composite material, the antioxidant is added to improve the stability of the PPA during processing, and the coupling agent is added to reinforce the bonding between the filling enhancer and matrix resin.

Description

Matrix material of a kind of polyphthalamide and polyphenylene sulfide and preparation method thereof
Technical field
The invention belongs to technical field of polymer materials, be specifically related to matrix material of a kind of polyphthalamide and polyphenylene sulfide and preparation method thereof, this matrix material is applicable to automotive part, aerospace, heat-resisting demanding mechanical component etc.
Background technology
Polyphthalamide (PPA) is a kind of hemicrystalline thermoplasticity aromatic polyamide, is commonly called as fragrant high-temperature nylon.PPA has very excellent resistance toheat, and long-term working temperature can be up to 180 ℃, and the short-term heatproof can reach 290 ℃; Simultaneously, PPA has high-modulus, high rigidity, high performance-price ratio, dimensional stability, low water absorption etc.Due to its excellent performance, PPA is with a wide range of applications in a lot of fields, but also there is the shortcoming that flame retardant properties is poor, the resin flows performance is lower in it, has limited the application of PPA.
Polyphenylene sulfide (PPS) is the special engineering plastics of present consumption maximum, is described as the sixth-largest general engineering plastic.Polyphenylene sulfide has very excellent mechanical property, but needs further to improve in a lot of its resistance toheats of occasion.
Summary of the invention
The present invention is directed to the problem that polyphthalamide flame retardant resistance and poor processability in prior art and polyphenylene sulfide resistance toheat have much room for improvement, under the prerequisite of the rigidity that guarantees the material excellence, intensity, provide the polyphthalamide of a kind of flame retardant properties, Good Heat-resistance and the matrix material of polyphenylene sulfide.
The technical problem that the present invention further will solve is to provide that a kind of preparation technology is simple, the polyphthalamide of strong operability and the composite manufacture method of polyphenylene sulfide.
For realizing above-mentioned the first goal of the invention, technical scheme of the present invention is:
The matrix material of a kind of polyphthalamide and polyphenylene sulfide, this matrix material comprises the component of following mass percent:
Polyphthalamide 29.6~36.5%,
Polyphenylene sulfide 31.7~38.2%,
Lubricant 0.2~0.4%,
Antioxidant 0.2~0.4%,
Coupling agent 0.2~0.4%,
And surplus is filled toughener.
Preferably, described filling toughener is alkali free glass fibre.
Preferably, described lubricant is one or both in internal lubricant and external lubricant, and described internal lubricant is ester lubricant, and described external lubricant is nonpolar lubricant.
Preferably, described ester lubricant is pentaerythritol stearate, and described nonpolar lubricant is siloxanes.
Preferably, described antioxidant is N, N-hexylidene-1, one or more in 6-two [3-(3,5-di-t-butyl-4-hydroxyphenyl) propionic acid amide] and three (2,4-di-tert-butyl-phenyl) phosphorous acid ester.
Preferably, described coupling agent is γ-Racemic glycidol oxygen propyl trimethoxy silicane.
For realizing the second goal of the invention of the present invention, the technical scheme that adopts is as follows:
A kind of composite manufacture method of polyphthalamide and polyphenylene sulfide comprises the following steps:
A: polyphthalamide and polyphenylene sulfide are carried out drying treatment stand-by under 100-150 ℃ of condition;
B: after lubricant, antioxidant are mixed, be placed in that to carry out drying treatment under 50-100 ℃ of condition stand-by;
C: four kinds of raw materials and coupling agent after drying in step a and b is processed evenly mix;
D: mixed raw material in step c is placed in twin screw extruder, and adds alkali free glass fibre in the twin screw extruder stage casing, by melt extrude, granulation.
Preferably, the complete processing of this twin screw extruder is a district 260-280 ℃, two district 280-300 ℃, three district 280-320 ℃, four district 290-320 ℃, five district 290-320 ℃, six district 290-310 ℃, seven district 290-310 ℃, total residence time is 3-6 minute in screw rod, and the total pressure of twin screw extruder is the 14-18 MPa.
The present invention adopts polyphthalamide and polyphenylene sulfide, is aided with to fill toughener, lubricant, antioxidant and coupling agent, makes PPA and PPS modification under molten state.Fill mechanical property and the thermal characteristics that has improved matrix material that add of toughener, lubricant add the processing characteristics that has improved matrix material, adding of antioxidant improved the stability of PPA in the course of processing, and adding of coupling agent strengthens the combination of filling between toughener and matrix resin.
In matrix material of the present invention, PPS and PPA learn from other's strong points to offset one's weaknesses, and have both improved the flame retardant properties of PPA, have improved again the resistance toheat of PPS, have good over-all properties.
Embodiment
Describe the present invention in detail below in conjunction with specific embodiment, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as a limitation of the invention.
Embodiment 1:
The present embodiment discloses matrix material and the preparation method of a kind of polyphthalamide and polyphenylene sulfide.
The mass percent of its raw material is as follows:
Polyphthalamide 29.6%, polyphenylene sulfide 38.2%, filling toughener 31.3%, ester lubricant 0.2%, nonpolar lubricant 0.2%, antioxidant 0.2%, coupling agent 0.3%;
Above-mentionedly state nonpolar lubricant and be: siloxanes;
Above-mentioned ester lubricant is: pentaerythritol stearate;
Above-mentioned filling toughener is: alkali free glass fibre;
Above-mentioned antioxidant is: N, N-hexylidene-1,6-two [3-(3,5-di-t-butyl-4-hydroxyphenyl) propionic acid amide] 0.1%, three (2,4-di-tert-butyl-phenyl) phosphorous acid ester 0.1%;
Above-mentioned coupling agent is: γ-Racemic glycidol oxygen propyl trimethoxy silicane.
Its preparation method is as follows:
A: polyphthalamide and polyphenylene sulfide is stand-by about 6 hours 100-150 ℃ of lower forced air drying;
B: utilize homogenizer with pentaerythritol stearate, siloxanes, N, N-hexylidene-1,6-two [3-(3,5-di-t-butyl-4-hydroxyphenyl) propionic acid amide] and three (2, the 4-di-tert-butyl-phenyl) after phosphorous acid ester carries out high-speed mixing, stand-by about 2 hours 50-100 ℃ of drying;
C: the raw material that step a, b handle well is put in high-speed mixer, then added γ-Racemic glycidol oxygen propyl trimethoxy silicane evenly to mix 3 minutes;
D: mixed raw material in step c is mixed through twin screw extruder, and the stage casing adds alkali free glass fibre, through melt extruding, and granulation.The complete processing of twin screw extruder is: a district 260-280 ℃, two district 280-300 ℃, three district 280-320 ℃, four district 290-320 ℃, five district 290-300 ℃, six district 290-300 ℃, seven district 300-310 ℃, total residence time is 3-6 minute in screw rod, and the total pressure of twin screw extruder is the 14-18 MPa.
Embodiment 2:
The present embodiment also discloses matrix material and the preparation method of a kind of polyphthalamide and polyphenylene sulfide.
The different mass percents that are its raw material of the present embodiment and embodiment 1, the raw materials quality per-cent of the present embodiment is as follows:
Polyphthalamide 31.2%, polyphenylene sulfide 37.0%, filling toughener 31.0%, ester lubricant 0.2%, nonpolar lubricant 0.1%, antioxidant 0.3%, coupling agent 0.2%;
Above-mentionedly state nonpolar lubricant and be: siloxanes;
Above-mentioned ester lubricant is: pentaerythritol stearate;
Above-mentioned filling toughener is: alkali free glass fibre;
Above-mentioned antioxidant is: N, N-hexylidene-1,6-two [3-(3,5-di-t-butyl-4-hydroxyphenyl) propionic acid amide] 0.2%, three (2,4-di-tert-butyl-phenyl) phosphorous acid ester 0.1%;
Above-mentioned coupling agent is: γ-Racemic glycidol oxygen propyl trimethoxy silicane.
The preparation method of the present embodiment is identical with embodiment 1.
Embodiment 3:
The present embodiment also discloses matrix material and the preparation method of a kind of polyphthalamide and polyphenylene sulfide.
The different mass percents that are its raw material of the present embodiment and embodiment 1, the raw materials quality per-cent of the present embodiment is as follows:
Polyphthalamide 32.1%, polyphenylene sulfide 35.2%, filling toughener 31.6%, ester lubricant 0.2%, nonpolar lubricant 0.2%, antioxidant 0.4%, coupling agent 0.2%;
Above-mentionedly state nonpolar lubricant and be: siloxanes;
Above-mentioned ester lubricant is: pentaerythritol stearate;
Above-mentioned filling toughener is: alkali free glass fibre;
Above-mentioned antioxidant is: N, N-hexylidene-1,6-two [3-(3,5-di-t-butyl-4-hydroxyphenyl) propionic acid amide] 0.2%, three (2,4-di-tert-butyl-phenyl) phosphorous acid ester 0.2%;
Above-mentioned coupling agent is: γ-Racemic glycidol oxygen propyl trimethoxy silicane.
The preparation method of the present embodiment is identical with embodiment 1.
Embodiment 4:
The present embodiment also discloses matrix material and the preparation method of a kind of polyphthalamide and polyphenylene sulfide.
The different mass percents that are its raw material of the present embodiment and embodiment 1, the raw materials quality per-cent of the present embodiment is as follows:
Polyphthalamide 34.8%, polyphenylene sulfide 33.0%, filling toughener 31.3%, ester lubricant 0.2%, nonpolar lubricant 0.2%, antioxidant 0.2%, coupling agent 0.3%;
Above-mentionedly state nonpolar lubricant and be: siloxanes;
Above-mentioned ester lubricant is: pentaerythritol stearate;
Above-mentioned filling toughener is: alkali free glass fibre;
Above-mentioned antioxidant is: N, N-hexylidene-1,6-two [3-(3,5-di-t-butyl-4-hydroxyphenyl) propionic acid amide] 0.1%, three (2,4-di-tert-butyl-phenyl) phosphorous acid ester 0.1%;
Above-mentioned coupling agent is: γ-Racemic glycidol oxygen propyl trimethoxy silicane.
Embodiment 4:
The present embodiment also discloses matrix material and the preparation method of a kind of polyphthalamide and polyphenylene sulfide.
The different mass percents that are its raw material of the present embodiment and embodiment 1, the raw materials quality per-cent of the present embodiment is as follows:
Polyphthalamide 36.5%, polyphenylene sulfide 30.7%, filling toughener 32.0%, ester lubricant 0.1%, nonpolar lubricant 0.1%, antioxidant 0.2%, coupling agent 0.4%;
Above-mentionedly state nonpolar lubricant and be: siloxanes;
Above-mentioned ester lubricant is: pentaerythritol stearate;
Above-mentioned filling toughener is: alkali free glass fibre;
Above-mentioned antioxidant is: N, N-hexylidene-1,6-two [3-(3,5-di-t-butyl-4-hydroxyphenyl) propionic acid amide] 0.1%, three (2,4-di-tert-butyl-phenyl) phosphorous acid ester 0.1%;
Above-mentioned coupling agent is: γ-Racemic glycidol oxygen propyl trimethoxy silicane.
The comparative example 5:
The present embodiment also discloses matrix material and the preparation method of a kind of polyphthalamide and polyphenylene sulfide.
The different mass percents that are its raw material of the present embodiment and embodiment 1, the raw materials quality per-cent of the present embodiment is as follows:
Polyphthalamide 53.5%, polyphenylene sulfide 46.1%, ester lubricant 0.1%, nonpolar lubricant 0.1%, antioxidant 0.2%;
Above-mentionedly state nonpolar lubricant and be: siloxanes;
Above-mentioned ester lubricant is: pentaerythritol stearate;
Above-mentioned antioxidant is: N, N-hexylidene-1,6-two [3-(3,5-di-t-butyl-4-hydroxyphenyl) propionic acid amide] 0.1%, three (2,4-di-tert-butyl-phenyl) phosphorous acid ester 0.1%.
Now with the matrix material that obtains in previous examples 1-5, carry out performance test according to following standard:
Tensile strength detects by ASTM D-638 standard.Specimen types is the I type, batten size (millimeter): 150 (length) * (20 ± 0.2) (end size) * (4 ± 0.2) (thickness), draw speed is 50 mm/min.
Flexural strength and modulus in flexure detect by ASTM D-790 standard.Specimen types is specimen size (millimeter): (80 ± 2) * (20 ± 0.2) * (4 ± 0.2), rate of bending are 20 mm/min.
The socle girder notched Izod impact strength detects by ASTM D-256 standard.Specimen types is the I type, batten size (millimeter): (80 ± 2) * (10 ± 0.2) * (4 ± 0.2); The breach type is category-A, and notch depth is 1/3 of thickness.
Heat-drawn wire detects by ISO 75-2 standard.Specimen types is the I type, batten size (millimeter): 127 (length) * (13 ± 0.1) * (6.35 ± 0.1); Temperature rise rate is 120 ℃/h, pressure position 1.82MPa, and setting deformation quantity is 0.21 millimeter.
Flame retardant properties is pressed the UL-94 standard testing, and batten thickness is approximately 1.6 millimeters.
Get detected result such as following table according to above-mentioned standard testing:
Form and test Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4 Comparative Examples 5
PPA 29.6 31.2 32.1 36.5 53.5
PPS 38.2 37.0 35.2 30.7 46.1
Fill toughener 31.3 31.0 31.6 32.0 0
Lubricant 0.4 0.3 0.4 0.2 0.2
Antioxidant 0.2 0.3 0.4 0.2 0.2
Coupling agent 0.3 0.2 0.3 0.4 0
Tensile strength (MPa) 166 172 148 172 73
Elongation at break (%) 2.11 1.92 1.27 1.94 2.24
Flexural strength (MPa) 268 275 260 265 129
Modulus in flexure (GPa) 14.1 14.6 13.9 14.9 5.9
Notched Izod impact strength 140 136 118 129 76
Heat-drawn wire (℃) 267 281 275 280 167
Flame retardant properties V 0 V 0 V 0 V 0 V 0
As can be seen from the above table, when PPA, PPS, the filling toughener content that is alkali free glass fibre is respectively 29.6-36.5%, 30.7-38.2%, 31-32%, the tensile strength of matrix material, flexural strength and modulus all remain on a higher level, its heat-drawn wire can reach 280 ℃, and flame retardant properties also reaches the V0 level.And by with the Performance Ratio of Comparative Examples 5, can obviously find to fill the mechanical property that has improved to a great extent matrix material that adds of toughener.The present invention combines the advantage of PPS and PPA bi-material, and effective use of filling toughener, coupling agent, lubricant and antioxidant, prepare the very excellent polyphthalamide of a kind of over-all properties and polyphenyl thioether composite material, can satisfy the service requirements of automobile, aerospace, the heat-resisting product of having relatively high expectations.
In previous embodiment 1-5:
fill toughener and be the alkali free glass fibre that megalith group produces, coupling agent is the γ that produces of Chengdu Long March chemical reagents corporation-Racemic glycidol oxygen propyl trimethoxy silicane, internal lubricant is that the pentaerythritol stearate that Suzhou Xingtai state photochemistry auxiliary agent company limited produces is PETS, nonpolar lubricant is the siloxanes that Chengdu Long March chemical reagents corporation produces, oxidation inhibitor is the N that Chengdu Long March chemical reagents corporation produces, N-hexylidene-1, [3-(3 for 6-two, 5-di-t-butyl-4-hydroxyphenyl) propionic acid amide] and three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester is composite.
The above technical scheme that the embodiment of the present invention is provided is described in detail, used specific case herein principle and the embodiment of the embodiment of the present invention are set forth, the explanation of above embodiment is only applicable to help to understand the principle of the embodiment of the present invention; Simultaneously, for one of ordinary skill in the art, according to the embodiment of the present invention, all will change on embodiment and range of application, in sum, this description should not be construed as limitation of the present invention.

Claims (5)

1. the matrix material of a polyphthalamide and polyphenylene sulfide, is characterized in that, this matrix material comprises the component of following mass percent:
Figure FSB00000935131000011
2. the matrix material of polyphthalamide according to claim 1 and polyphenylene sulfide is characterized in that:
Described lubricant is one or both in internal lubricant and external lubricant;
Described internal lubricant is ester lubricant;
Described external lubricant is nonpolar lubricant.
3. the matrix material of polyphthalamide according to claim 2 and polyphenylene sulfide is characterized in that:
Described ester lubricant is pentaerythritol stearate;
Described nonpolar lubricant is siloxanes.
4. the matrix material of polyphthalamide according to claim 1 and polyphenylene sulfide is characterized in that:
Described antioxidant is N, N-hexylidene-1, one or more in 6-two [3-(3,5-di-t-butyl-4-hydroxyphenyl) propionic acid amide] and three (2,4-di-tert-butyl-phenyl) phosphorous acid ester.
5. the matrix material of polyphthalamide according to claim 1 and polyphenylene sulfide is characterized in that:
Described coupling agent is γ-Racemic glycidol oxygen propyl trimethoxy silicane.
CN2010102896542A 2010-09-20 2010-09-20 Composite material of polyphthalamide (PPA) and polyphenylene sulfide (PPS) and preparation method thereof Expired - Fee Related CN102241885B (en)

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CN105694449B (en) * 2016-04-06 2017-12-29 广东泰昊新材料科技有限公司 A kind of PPS modified plastics for hot and cold water Mixed water valve and preparation method thereof
CN108659528A (en) * 2018-04-24 2018-10-16 嘉兴希卡姆复合材料有限公司 A kind of high-performance polyphenylene sulfide and polyamide alloy material and preparation method thereof
CN109251530B (en) * 2018-07-17 2021-03-23 特塑(大连)高分子材料有限公司 High-fluidity high-impact-resistance glass fiber reinforced PPS (polyphenylene sulfide) modified material
CN109320962A (en) * 2018-09-13 2019-02-12 丹阳市三能电器配件有限公司 PPS composite material and preparation method for air-conditioning supplementary heating element bracket
CN110003643B (en) * 2019-03-01 2021-09-14 广东京兆工程塑料有限公司 Anti-aging PPA composite material and preparation method thereof

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CN101134847A (en) * 2007-09-30 2008-03-05 深圳市科聚新材料有限公司 Polyphenylene sulfide/polyamide composite material and method for making same
CN101570633A (en) * 2008-04-30 2009-11-04 第一毛织株式会社 Flame retardant thermoplastic resin composition and mould product produced therefrom

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CN101570633A (en) * 2008-04-30 2009-11-04 第一毛织株式会社 Flame retardant thermoplastic resin composition and mould product produced therefrom

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