CN104194307A - Low-warpage polyphenylene ether composite - Google Patents
Low-warpage polyphenylene ether composite Download PDFInfo
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- CN104194307A CN104194307A CN201410479459.4A CN201410479459A CN104194307A CN 104194307 A CN104194307 A CN 104194307A CN 201410479459 A CN201410479459 A CN 201410479459A CN 104194307 A CN104194307 A CN 104194307A
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- polyphenylene oxide
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Abstract
The invention provides a low-warpage polyphenylene ether composite. The composite consists of the following ingredients in percentage by weight: 30-80% of polyphenylene ether, 20-60% of polystyrene and 10-50% of glass fiber with an ellipsoidal cross section. The low-warpage polyphenylene ether composite has the benefits that the prepared polyphenylene ether composite not only has great mechanical property, flow property and heat resistance but also has low warpage deformation and dimensional stability. The low-warpage polyphenylene ether composite is suitable for products having high requirements on heat resistance and warpage deformation during molding.
Description
Technical field
The present invention relates to technical field of polymer materials, relate in particular to a kind of low warpage polyphenylene oxide composite material.
Background technology
Polyphenylene oxide resin (PPE or PPO) is one of five large-engineering plastics, is also the kind of consumption maximum in engineering plastic alloy.Because polyphenylene oxide has good physical and mechanical properties, thermotolerance and electric insulating quality, have again that water absorbability is low, intensity is high simultaneously, advantages such as creep resistant is good under good stability of the dimension, high temperature, be widely used at present the fields such as household electrical appliances, office, communication equipment, automotive industry and chemical industry.
Traditional enhancing polyphenylene oxide adopts macrofiber or chopped strand to carry out, although can reach requirement in performance, but due to the anisotropy of glass orientation, while causing moulding, buckling deformation degree is relatively large, is not suitable for some accurate products of moulding in moulding process.
For some Application Areass, buckling deformation is required to higher product, as printer skeleton, compact disk pallet etc. requires high field to buckling deformation, traditional enhancing polyphenyl ether material cannot meet the demands.
Although Chinese patent CN103374217 has adopted flat glass fiber to strengthen in polyphenylene oxide resin, but because the viscosity of polyphenylene oxide resin itself is excessive, and material property is more crisp, adopt flat glass fiber to strengthen aftershaping more difficult, poor in processability.
Summary of the invention
In order to realize above object, technical scheme of the present invention is to provide a kind of low warpage polyphenylene oxide composite material, it is characterized in that it comprises that the raw material of following proportioning makes (weight percent):
Polyphenylene oxide: 30～80%,
Polystyrene: 20～60%,
The glass fibre of long round section: 10～40%.
Polyphenylene oxide composite material of the present invention, the limiting viscosity of wherein said polyphenylene oxide is at 0.3～0.55dl/g (measuring in chloroform at 30 ℃), preferably 0.4～0.5dl/g.
Polyphenylene oxide composite material of the present invention, wherein said polystyrene can be the polystyrene of polystyrene or modified rubber, its melting index is 3～12g/10min, or at least contain a kind of mixture of above-mentioned polystyrene resin, its melting index is preferably at 3～7g/10min, the rubber using in polystyrene for modified rubber comprises polyhutadiene, styrene/butadiene copolymers, polyisoprene, divinyl/isoprene copolymer, natural rubber and ethylene/propene copolymer, preferably polyhutadiene and styrene/butadiene copolymers.
Polyphenylene oxide composite material of the present invention, the flat ratio of the glass fibre of wherein said long round section is that long and short diameter ratio is 3～5:1, and the major diameter in cross section is of a size of 15～30 microns.
Can be containing the impact modifying agent that is improved toughness of material in polyphenylene oxide composite material of the present invention, the selection of impact modifying agent must consider that itself and resin should have good consistency, and impact modifying agent will form suitable phase structure and could more effectively improve toughening effect in material matrix simultaneously.Be applicable to the segmented copolymer that the impact modifying agent in the present invention is phenylethylene/butadiene, the segmented copolymer of styrene/isoprene and the elastomerics of hydrogenation thereof, the concrete content of interpolation is selected according to needed object.
Polyphenylene oxide composite material of the present invention can also be containing the fire retardant that is improved Flame Retardancy energy, wherein said fire retardant is organophosphorus ester flame-proof agent or the mixture that comprises at least one following phosphate flame retardant, these phosphate flame retardants comprise the phosphoric acid ester based on Resorcinol, as Resorcinol two (diphenyl phosphoester), and the phosphoric acid ester based on bis-phenol, as dihydroxyphenyl propane two (diphenyl phosphoester), phosphoric acid dihydroxyphenyl propane four phenyl esters, also comprise the phosphoric acid ester that is substituted phenyl group.The annular phosphate flame retardant that can be applied to polyphenylene oxide for some is equally also applicable to the present invention.These phosphate compounds or separately use, or use with the form of two or more mixtures, the concrete content of interpolation is selected according to needed object.
In polyphenylene oxide composite material of the present invention, can also further contain other additive, as softening agent, stablizer, releasing agent, filler, dyestuff, pigment and other are given the resin of other characteristic, only otherwise damage effect of the present invention.
The preparation method of resinous polymer of the present invention is not limited especially, resinous polymer of the present invention can by use such as forcing machine (single screw rod or twin screw extruder), heat roll, prepared by the kneading such as kneader, mixing roll, in the middle of these, angle from production efficiency, preferably with single screw rod or twin screw extruder, prepare blend, the temperature of extruding is generally 230～360 ℃, preferably 250～320 ℃.The order of mixing each component of the present invention is conventionally unimportant, can be determined by those of ordinary skill in the art.
Embodiment
Following embodiment will be described in further detail the present invention, but the present invention should not be subject to the restriction of these embodiment.
Mixture prepared by each embodiment is injection molded into the standard batten of test use by standard size, the physicals in each embodiment is tested by international standard (ISO) respectively.
For evaluating material buckling deformation degree, the product of test adopts the rectangle model of injection moulding 100X80X1.5mm, cast gate is side gate, be of a size of 40x1mm, deflection represents by the distortion on base, cast gate opposite, take 2, base does straight line as reference line, deflection be exactly base to the ultimate range of reference line, buckling deformation test is tested by Quadratic Finite Element.
The present invention is verified by embodiment below:
Polyphenylene oxide: PPE LXR045, viscosity 0.45, China LanXing Chemical Manufacture.
Polystyrene: HIPS 1300, (200,5kg), DOW CHEMICAL produces molten finger 4.
The glass fibre of long round section: CSG 3PA-830, is produced by Japanese NITTOBO company.
Glass fibre: ECS306, is produced by the international matrix material in Chongqing.
Oxidation inhibitor: 1076, by German BASF, produced.
Releasing agent: PETS, by Shanghai, Lang Te company produces.
Detailed data result is as follows:
Embodiment 1-3 formula table and composite properties detected result
Embodiment 4-5 formula table and composite properties detected result
Embodiment 6-7 formula table and composite properties detected result
Experimental result by above-mentioned example can significantly be found out, adopts the performance of the polyphenylene oxide composite material of long round section glass fibre enhancing to compare with the polyphenyl ether material that common glass strengthens, and buckling deformation amount has obvious reduction, and mobility is improved.
The foregoing is only the preferred embodiment of the present invention, protection scope of the present invention is not limited in above-mentioned embodiment, and every technical scheme that belongs to the principle of the invention all belongs to protection scope of the present invention.For a person skilled in the art, some improvement of carrying out under the prerequisite that does not depart from principle of the present invention, these improvement also should be considered as protection scope of the present invention.
Claims (5)
1. the invention provides a kind of low warpage polyphenylene oxide composite material, it is characterized in that, the component of described matrix material is (weight percent):
Polyphenylene oxide: 30～80%,
Polystyrene: 20～60%,
The glass fibre of long round section: 10～50%.
2. a kind of low warpage polyphenylene oxide composite material according to claim 1, is characterized in that, the limiting viscosity of described polyphenylene oxide 0.3～0.55dl/g (measuring) at 30 ℃ in chloroform.
3. a kind of low warpage polyphenylene oxide composite material according to claim 1, it is characterized in that, described polystyrene can be polystyrene or high-impact polystyrene, and its melting index is 3～12g/10min, or at least contains a kind of mixture of above-mentioned polystyrene resin.
4. a kind of low warpage polyphenylene oxide composite material according to claim 1, is characterized in that, the flat ratio of the glass fibre of described long round section is that long and short diameter ratio is 3～5:1, and the major diameter in cross section is of a size of 15～30 microns.
5. a kind of low warpage polyphenylene oxide composite material according to claim 1, it is characterized in that, the composition of described matrix material can also further comprise at least one and be selected from following additive or their mixture: fire retardant, impact modifying agent, softening agent, stablizer, releasing agent, dyestuff, pigment, filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410479459.4A CN104194307A (en) | 2014-09-19 | 2014-09-19 | Low-warpage polyphenylene ether composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410479459.4A CN104194307A (en) | 2014-09-19 | 2014-09-19 | Low-warpage polyphenylene ether composite |
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| Publication Number | Publication Date |
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| CN104194307A true CN104194307A (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410479459.4A Pending CN104194307A (en) | 2014-09-19 | 2014-09-19 | Low-warpage polyphenylene ether composite |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115612276A (en) * | 2022-10-20 | 2023-01-17 | 慧迈材料科技(广东)有限公司 | Polyphenylene ether-based polymer composite material and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103374217A (en) * | 2012-04-24 | 2013-10-30 | 苏州汉扬精密电子有限公司 | Glass fibre reinforced polyphenyl ether resin |
-
2014
- 2014-09-19 CN CN201410479459.4A patent/CN104194307A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103374217A (en) * | 2012-04-24 | 2013-10-30 | 苏州汉扬精密电子有限公司 | Glass fibre reinforced polyphenyl ether resin |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115612276A (en) * | 2022-10-20 | 2023-01-17 | 慧迈材料科技(广东)有限公司 | Polyphenylene ether-based polymer composite material and preparation method and application thereof |
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Application publication date: 20141210 |