CN102757633B - PC (poly carbonate) composite material, as well as preparation method and applications thereof and plastic product - Google Patents
PC (poly carbonate) composite material, as well as preparation method and applications thereof and plastic product Download PDFInfo
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- CN102757633B CN102757633B CN2012102271884A CN201210227188A CN102757633B CN 102757633 B CN102757633 B CN 102757633B CN 2012102271884 A CN2012102271884 A CN 2012102271884A CN 201210227188 A CN201210227188 A CN 201210227188A CN 102757633 B CN102757633 B CN 102757633B
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Abstract
The invention discloses a PC (poly carbonate) composite material, as well as a preparation method and applications thereof. The PC composite material comprises the following main components in parts by weight: 75-90 parts of PC (Poly Carbonate) reclaimed materials, 0-3 parts of high-temperature nylons, 5-10 parts of methylmethacrylate-butadiene-styrene copolymer, methyl methacrylate-butadiene copolymer or acrylonitrile-styrene-acrylate copolymer, 3-10 parts of styrene-maleic anhydride random copolymer, 0.1-1 part of epoxy resin, 0.1-0.5 part of antioxidant, 0.2-0.8 part of teflon and 0.3-10 parts of nano conductive materials. Compared with the prior art, through being added with the nano conductive materials, the PC composite material has the advantages of achieving an anti-static effect, improving the impact resistance strength, and accidentally improving the anti-aging property and the liquidity.
Description
Technical field
The present invention relates to a kind of matrix material, relate in particular to a kind of PC matrix material with anti-electrostatic, the preparation method of this matrix material, and the application of this matrix material.
Background technology
PC(Polycarbonate, be called for short PC) be a kind of thermoplastic elastomer, two (4-hydroxy phenyl) the propane PC of chemical name: 2,2-, its structural formula is:
It is a kind of tasteless, nontoxic, transparent indefiniteness thermoplastic material, is the general name that contains chain carbonic ester one family macromolecule compound in molecular chain.PC can be divided into several large classes such as aliphatics, alicyclic, aromatic series.The fields such as that PC is widely used in is electric, power tool, communications and transportation, automobile, machinery, instrument, building, information storage, optical material, medicine equipment, sports goods, civilian goods, security personnel, aerospace and defence and military.But the shock strength of existing PC need further raising.
Summary of the invention
In sum, the present invention is necessary to provide a kind of PC matrix material that improves shock strength.
In addition, also be necessary to provide a kind of preparation method of above-mentioned PC matrix material.
Further, also be necessary to provide a kind of application of above-mentioned PC matrix material.
In addition, also be necessary to provide a kind of plastics.
A kind of PC matrix material, its main component is for comprising by weight:
PC reclaimed materials 75-90 part;
High-temperature nylon 0-3 part;
MBS, methyl methacrylate butadi ene copolymer or acrylonitrile-styrene-acrylic ester copolymer 5-10 part;
Atactic styrene-maleic anhydride copolymer 3-10 part;
Epoxy resin 0.1-1 part;
Oxidation inhibitor 0.1-0.5 part;
Tetrafluoroethylene 0.2-0.8 part;
Nanometer conductive material 0.3-10 part;
Wherein, described high-temperature nylon is at least a in PPTA, poly(isophthaloyl metaphenylene diamine), poly(p-benzamide), PA9T, PA6T, PA10T, PA12T;
Wherein, described oxidation inhibitor is phenolic antioxidant, monothioester oxidation inhibitor;
Wherein, this nanometer conductive material is the carbon nanotube conducting fiber, and this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the thermoplastic elastomer of the carbon nanotube conducting fiber of 0.1-5 part, the dispersion agent of 0.1-5 part and 10 parts; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
nC
6H
4SO
3X or alkyl-sulphate CH
3(CH
2)
nSO
4At least a in X, n=0-5 wherein, X=Li, Na, Mg, Ca, NH
4
Wherein, described PC reclaimed materials 0-60% by mass can substitute for the PC material.
A kind of PC matrix material, its main component is for comprising by weight:
PC reclaimed materials 75-90 part;
High-temperature nylon 0-3 part;
MBS, methyl methacrylate butadi ene copolymer or acrylonitrile-styrene-acrylic ester copolymer 5-10 part;
Atactic styrene-maleic anhydride copolymer 3-10 part;
Epoxy resin 0.1-1 part;
Oxidation inhibitor 0.1-0.5 part;
Tetrafluoroethylene 0.2-0.8 part;
Nanometer conductive material 0.3-10 part;
Wherein, this nanometer conductive material is the carbon nanotube conducting fiber, and this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the thermoplastic elastomer of the carbon nanotube conducting fiber of 0.1-5 part, the dispersion agent of 0.1-5 part and 10 parts; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
nC
6H
4SO
3X or alkyl-sulphate CH
3(CH
2)
nSO
4At least a in X, n=0-5 wherein, X=Li, Na, Mg, Ca, NH
4
Described PC matrix material, under ASTM D257 condition, surface measurements resistivity is 300-6.2 * 10
6Ω mm, measuring flexural strength under ASTM D790-2003 condition is 73-97MPa, and measuring tensile strength under ASTM D-638 condition is 59-88MPa, and measuring simply supported beam C type notched Izod impact strength under GB/T1043-93 condition is 20.3-23.2kJ/m
2, ASTM D1238 condition current downflow is 41-56g/10min.
Wherein, described nanometer conductive material, be respectively Li when n gets 1, X, Na, Mg, Ca, NH
4, the surface resistivity that records according to ASTM D257 is respectively 6.1 * 10
6, 8.3 * 10
6, 6.2 * 10
6, 5.8 * 10
6, 7.1 * 10
6Ω mm; When getting 0, X, n is respectively Li, Na, Mg, Ca, NH
4, the surface resistivity that records according to ASTM D257 is respectively 6.5 * 10
6, 8.1 * 10
6, 7.2 * 10
6, 5.3 * 10
6, 7.4 * 10
6Ω mm; When n got 5, X was respectively Li, Na, Mg, Ca, NH
4, the surface resistivity that records according to ASTM D257 is respectively 9.5 * 10
5, 3.1 * 10
6, 4.2 * 10
6, 1.3 * 10
6, 2.4 * 10
6Ω mm.
Wherein, described recovery PC material is 6%, 10%, 15%, 18%, 19%, 23%, 25%, 37%, 43%, 50%, 56% for the weight percentage that the PC material replaces, or 60%.
Wherein, described PC matrix material further comprises: at least a in lubricant, releasing agent, static inhibitor and/or conductivity additive, stablizer, dyestuff, pigment, mineral filler.
A kind of preparation method of PC matrix material comprises the following steps:
Get following component by mass parts and obtain blend composition:
PC reclaimed materials 75-90 part,
High-temperature nylon 0-3 part;
MBS, methyl methacrylate butadi ene copolymer or acrylonitrile-styrene-acrylic ester copolymer 5-10 part,
Atactic styrene-maleic anhydride copolymer 3-10 part,
Epoxy resin 0.1-1 part,
Oxidation inhibitor 0.1-0.5 part,
Tetrafluoroethylene 0.2-0.8 part,
Nanometer conductive material 0.3-10 part,
Wherein, described high-temperature nylon is at least a in PPTA, poly(isophthaloyl metaphenylene diamine), poly(p-benzamide), PA9T, PA6T, PA10T, PA12T,
Wherein, described oxidation inhibitor is phenolic antioxidant, monothioester oxidation inhibitor,
Wherein, this nanometer conductive material is the carbon nanotube conducting fiber, and this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the thermoplastic elastomer of the carbon nanotube conducting fiber of 0.1-5 part, the dispersion agent of 0.1-5 part and 10 parts; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
nC
6H
4SO
3X or alkyl-sulphate CH
3(CH
2)
nSO
4At least a in X, n=0-5 wherein, X=Li, Na, Mg, Ca, NH
4,
Wherein, described PC reclaimed materials 0-60% by mass can substitute for the PC material;
Granulation;
Injection moulding.
Wherein, described PC matrix material, under ASTM D257 condition, surface measurements resistivity is 300-6.2 * 10
6Ω mm, measuring flexural strength under ASTM D790-2003 condition is 73-97MPa, and measuring tensile strength under ASTM D-638 condition is 59-88MPa, and measuring simply supported beam C type notched Izod impact strength under GB/T1043-93 condition is 20.3-23.2kJ/m
2, ASTM D1238 condition current downflow is 41-56g/10min.
Wherein, described recovery PC material is 6%, 10%, 15%, 18%, 19%, 23%, 25%, 37%, 43%, 50%, 56% for the weight percentage that the PC material replaces, or 60%.
A kind of plastics, appeal the PC matrix material by comprising that right is asked, and at least a the making in following additive: described additive is lubricant, releasing agent, static inhibitor and/or conductivity additive, stablizer, dyestuff, pigment, mineral filler or strongthener.
That a kind of described PC matrix material is applied to is electric, power tool, communications and transportation, automobile, machinery, instrument, building, information storage, optical material, medicine equipment, sports goods, civilian goods, security personnel, aerospace and defence and military field.
Compare prior art, PC matrix material of the present invention,, by adding the electrical-conductive nanometer material, have advantages of anti-electrostatic, improve anti-aging, improve mobility and toughness.
Embodiment
Be described further below in conjunction with the application of some embodiments to composition, preparation method and this matrix material of PC matrix material of the present invention.Specific embodiment is for further describing the present invention, non-limiting protection scope of the present invention.
A kind of PC matrix material provided by the invention, by the following component that comprises of calculating according to the mass fraction:
PC reclaimed materials 75-90 part;
High-temperature nylon 0-3 part;
MBS (Methyl methacrylate-Butadiene-Styrene, MBS), methyl methacrylate butadi ene copolymer (3-methoxy-3-methyl-1-butanol, MMB) or acrylonitrile-styrene-acrylic ester copolymer (Acrylonitrile Styrene acrylate copolymer, ASA) 5-10 part;
Atactic styrene-maleic anhydride copolymer (Styrene Maleic Anhydride, SMA) 3-10 part;
Epoxy resin 0.1-1 part;
Oxidation inhibitor 0.1-0.5 part;
Tetrafluoroethylene 0.2-0.8 part;
Nanometer conductive material 0.3-10 part;
Wherein, described high-temperature nylon is at least a in PPTA, poly(isophthaloyl metaphenylene diamine), poly(p-benzamide), PA9T, PA6T, PA10T, PA12T.
Wherein, described oxidation inhibitor is phenolic antioxidant, monothioester oxidation inhibitor.
Described PC reclaimed materials can but be not limited to the PC reclaimed materials of describing in CN200610033121.1.
Wherein, this nanometer conductive material is the carbon nanotube conducting fiber, and this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the thermoplastic elastomer of the carbon nanotube conducting fiber of 0.1-5 part, the dispersion agent of 0.1-5 part and 10 parts; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
nC
6H
4SO
3X or alkyl-sulphate CH
3(CH
2) NSO
4At least a in X, n=0-5 wherein, X=Li, Na, Mg, Ca, NH
4When n gets 1, X Li respectively, Na, Mg, Ca, NH
4Get the surface resistivity that records according to ASTM D257 and be respectively 5.1 * 10
6, 6.3 * 10
6, 3.2 * 10
6, 4.8 * 10
6, 6.1 * 10
6Ω mm; When n gets 0, X Li respectively, Na, Mg, Ca, NH
4Get the surface resistivity that records according to ASTM D257 and be respectively 5.5 * 10
6, 3.1 * 10
6, 2.2 * 10
6, 6.3 * 10
6, 4.4 * 10
6Ω mm; When n got 5, X is Li respectively, Na, Mg, Ca, NH
4Get the surface resistivity that records according to ASTM D257 and be respectively 7.5 * 10
5, 6.1 * 10
6, 3.2 * 10
6, 5.3 * 10
6, 1.4 * 10
6Ω mm.
Described thermoplastic elastic body styrene class (SBS, SIS, SEBS, SEPS), olefines (TP0, TPV), diene class (TPB, TPI).
PC matrix material of the present invention, utilized the PC reclaimed materials, can not cause added burden to environment,, by adding nanometer conductive material, not only has anti-static electrification, also is surprised to find that, can improve anti-aging, as to improve mobility and toughness advantage.
At first the present invention obtains blend composition with the above-mentioned materials blend, more described blend composition is passed through mixing granulator in forcing machine, and the gained granulation is made finished product through injection molding.
According to surface measurements resistivity under ASTM D257 condition, measure tensile strength under ASTM D-638 condition, measure flexural strength under ASTM D790-2003 condition, measure simply supported beam C type notched Izod impact strength under GB/T1043-93 condition.According to testing melting index under ASTM D1238 condition.
Artificial accelerated aging test, employing equipment are the WE-SH-2C type Full automatic universal aging apparatus that Japanese Japan physics and chemistry Industrial Co., Ltd produces, ultraviolet type arc carbon lamp; Test condition, ultraviolet radiation intensity 0.19 card/cm
2, 40 ± 5 ℃ of humidity; Relative humidity 65 ± 5%; Rainfall cycle, rainfall was 9 minutes in every 180 minutes; Test duration 2160 hours.
Below be illustrated in the mode of specific embodiment, described raw material is weight part, the type of described oxygenant is little to the performance impact of product, differs one for example, test result please refer to table 1 and 2.
Embodiment 1
Get 75 parts of PC reclaimed materials, PA6T3 part, MBS3 part, SMA3 part, 0.1 part of epoxy resin, 10100.1 parts of polyphenol antioxidants, 0.2 part of tetrafluoroethylene, 0.3 part of carbon nanotube conducting fiber, this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the carbon nanotube of 0.1 part, the dispersion agent of 0.1 part and the thermoplastic elastomer SBS of 10 parts; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
2C
6H
4SO
3Li
2
Embodiment 2
Get 80 parts of PC reclaimed materials, PA6T3 part, MBS3 part, SMA3 part, 0.1 part of epoxy resin, 10100.1 parts of polyphenol antioxidants, 0.2 part of tetrafluoroethylene, 0.3 part of carbon nanotube conducting fiber, this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the carbon nanotube of 5 parts, the dispersion agent of 0.1 part and the thermoplastic elastomer TPV of 10 parts; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
2C
6H
4SO
3Li
2
Embodiment 3
Get 90 parts of PC reclaimed materials, PA6T3 part, MBS3 part, SMA3 part, 0.1 part of epoxy resin, 10100.1 parts of polyphenol antioxidants, 0.2 part of tetrafluoroethylene, 0.3 part of carbon nanotube conducting fiber, this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the carbon nanotube of 0.1 part, the dispersion agent of 0.1 part and the thermoplastic elastomer SEBS of 10 parts; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
2C
6H
4SO
3Li
2
Embodiment 4
Get 75 parts of PC reclaimed materials, MBS3 part, SMA3 part, 0.1 part of epoxy resin, 10100.1 parts of polyphenol antioxidants, 0.2 part of tetrafluoroethylene, 0.3 part of carbon nanotube conducting fiber, this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the carbon nanotube of 0.1 part, the dispersion agent of 0.1 part and the thermoplastic elastomer TPB of 10 parts; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
2C
6H
4SO
3Li
2
Embodiment 5
Get 75 parts of PC reclaimed materials, PA6T1 part, MBS3 part, SMA3 part, 0.1 part of epoxy resin, 10100.1 parts of polyphenol antioxidants, 0.2 part of tetrafluoroethylene, 0.3 part of carbon nanotube conducting fiber, this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the carbon nanotube of 0.1 part, the dispersion agent of 0.1 part and the thermoplastic elastomer SIS of 10 parts; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
2C
6H
4SO
3Li
2
Embodiment 6
Get 75 parts of PC reclaimed materials, PA6T3 part, MBS3 part, SMA3 part, 0.1 part of epoxy resin, 10100.1 parts of polyphenol antioxidants, 0.2 part of tetrafluoroethylene, 3 parts of carbon nanotube conducting fibers, this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the carbon nanotube of 0.1 part, the dispersion agent of 0.1 part and the thermoplastic elastomer POE of 10 parts; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
2C
6H
4SO
3Li
2
Embodiment 7
Get 75 parts of PC reclaimed materials, PA6T3 part, MBS3 part, SMA3 part, 0.1 part of epoxy resin, 10100.1 parts of polyphenol antioxidants, 0.2 part of tetrafluoroethylene, 5 parts of carbon nanotube conducting fibers, this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the carbon nanotube of 0.1 part, the dispersion agent of 0.1 part and the thermoplastic elastomer TPI of 10 parts; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
2C
6H
4SO
3Li
2
Embodiment 8
Get 75 parts of PC reclaimed materials, PA6T3 part, MBS3 part, SMA3 part, 0.1 part of epoxy resin, 10100.1 parts of polyphenol antioxidants, 0.2 part of tetrafluoroethylene, 8 parts of carbon nanotube conducting fibers, this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the carbon nanotube of 0.1 part, the dispersion agent of 0.1 part, the thermoplastic elastomer POE of 5 parts and the thermoplastic elastomer SBS of 5 parts; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
2C
6H
4SO
3Li
2
Embodiment 9
Get 75 parts of PC reclaimed materials, PA6T3 part, MBS3 part, SMA3 part, 0.1 part of epoxy resin, 10100.1 parts of polyphenol antioxidants, 0.2 part of tetrafluoroethylene, 10 parts of carbon nanotube conducting fibers, this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the carbon nanotube of 0.1 part, dispersion agent, 3 thermoplastic elastomer SIS and the thermoplastic elastomer SBS of 7 parts of 0.1 part; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
2C
6H
4SO
3Li
2
Embodiment 10
Get 90 parts of PC reclaimed materials, PA6T3 part, MBS3 part, SMA3 part, 0.1 part of epoxy resin, 10100.1 parts of polyphenol antioxidants, 0.2 part of tetrafluoroethylene, 10 parts of carbon nanotube conducting fibers, this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the carbon nanotube of 0.1 part, the dispersion agent of 0.1 part and the thermoplastic elastomer SIS of 10 parts, dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
2C
6H
4SO
3Li
2
Embodiment 11
Get 75 parts of PC reclaimed materials, PA6T3 part, MBS3 part, SMA3 part, 0.1 part of epoxy resin, 10100.1 parts of polyphenol antioxidants, 0.2 part of tetrafluoroethylene, 0.3 part of carbon nanotube conducting fiber, this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the carbon nanotube of 0.1 part, the dispersion agent of 0.1 part and the thermoplastic elastomer SBS of 10 parts; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
2C
6H
4SO
3Li
2
Embodiment 12
Get 80 parts of PC reclaimed materials, PA6T3 part, MBS3 part, SMA3 part, 0.1 part of epoxy resin, 10100.1 parts of polyphenol antioxidants, 0.2 part of tetrafluoroethylene, 0.3 part of carbon nanotube conducting fiber, this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the carbon nanotube of 0.1 part, the dispersion agent of 0.1 part and the thermoplastic elastomer SIS of 10 parts; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
2C
6H
4SO
3Mg.
Embodiment 13
Get 90 parts of PC reclaimed materials, PA6T3 part, MBS3 part, SMA3 part, 0.1 part of epoxy resin, 10100.1 parts of polyphenol antioxidants, 0.2 part of tetrafluoroethylene, 0.3 part of carbon nanotube conducting fiber, this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the carbon nanotube of 0.1 part, the dispersion agent of 0.1 part and the thermoplastic elastomer TPO of 10 parts; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
2C
6H
4SO
3(NH
4)
2
Embodiment 14
Get 75 parts of PC reclaimed materials, PA10T3 part, MBS3 part, SMA3 part, 0.1 part of epoxy resin, 10100.1 parts of polyphenol antioxidants, 0.2 part of tetrafluoroethylene, 0.3 part of carbon nanotube conducting fiber, this carbon nanotube conducting fiber is comprised of the component of following mass fraction: each 5 parts of the carbon nanotube of 0.1 part, the dispersion agent of 0.1 part and thermoplastic elastomer SBS and SIS; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
2C
6H
4SO
3(NH
4)
2
Embodiment 15
Get 75 parts of PC reclaimed materials, PA12T1 part, PA10T1 part, MBS3 part, SMA3 part, 0.1 part of epoxy resin, 10100.1 parts of polyphenol antioxidants, 0.2 part of tetrafluoroethylene, 0.3 part of carbon nanotube conducting fiber, this carbon nanotube conducting fiber is comprised of the component of following mass fraction: each 4 parts of 4.8 carbon nanotube, the dispersion agent of 0.1 part and thermoplastic elastomer SBS and SIS; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
2C
6H
4SO
3(NH
4)
2
Embodiment 16
Get 75 parts of PC reclaimed materials, PA6T3 part, MBS3 part, SMA3 part, 0.1 part of epoxy resin, 10100.1 parts of polyphenol antioxidants, 0.2 part of tetrafluoroethylene, 3 parts of carbon nanotube conducting fibers, this carbon nanotube conducting fiber is comprised of the component of following mass fraction: each 4 parts of the carbon nanotube of 0.1 part, the dispersion agent of 0.1 part and thermoplastic elastomer SBS and SIS; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
2C
6H
4SO
3(NH
4)
2
Embodiment 17
Get 75 parts of PC reclaimed materials, 3 parts of PPTA, MBS3 part, SMA3 part, 0.1 part of epoxy resin, 10100.1 parts of polyphenol antioxidants, 0.2 part of tetrafluoroethylene, 5 parts of carbon nanotube conducting fibers, this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the carbon nanotube of 0.1 part, the dispersion agent of 0.1 part and the thermoplastic elastomer SIS of 10 parts; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
2C
6H
4SO
3(NH
4)
2
Embodiment 18
Get 75 parts of PC reclaimed materials, PA6T1.5 part, MBS3 part, SMA3 part, 0.1 part of epoxy resin, 10100.1 parts of polyphenol antioxidants, 0.2 part of tetrafluoroethylene, 8 parts of carbon nanotube conducting fibers, this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the carbon nanotube of 0.1 part, the dispersion agent of 0.1 part and the thermoplastic elastomer POE of 10 parts; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
2C
6H
4SO
3(NH
4)
2
Embodiment 19
Get 75 parts of PC reclaimed materials, PA6T3 part, MBS3 part, SMA3 part, 0.1 part of epoxy resin, 10100.1 parts of polyphenol antioxidants, 0.2 part of tetrafluoroethylene, 10 parts of carbon nanotube conducting fibers, this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the carbon nanotube of 0.1 part, the dispersion agent of 0.1 part and the thermoplastic elastomer POE of 10 parts; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
2C
6H
4SO
3Li
2
Embodiment 20
Get 90 parts of PC reclaimed materials, PA6T1 part, PA9T0.5 part, MBS3 part, SMA3 part, 0.1 part of epoxy resin, 10100.1 parts of polyphenol antioxidants, 0.2 part of tetrafluoroethylene, 10 parts of carbon nanotube conducting fibers, this carbon nanotube conducting fiber is comprised of the component of following mass fraction: 3 carbon nanotube, the dispersion agent of 0.1 part and the thermoplastic elastomer SEBS of 10 parts; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
2C
6H
4SO
3Li
2
The test result of above-described embodiment please refer to following table 1 and table 2, and reference example is not for adding the carbon nanotube conducting fiber.
Table 1 measuring mechanical property result
Table 2 mobility and artificial accelerated aging test result
Can find out by above-mentioned table 1 and table 2, PC matrix material of the present invention, by adding the carbon nanotube conducting fiber, not only provides mechanical property, and the mobility of material is improved greatly, and function and ageing-resistant ability with anti-electrostatic improve greatly.The surface resistivity of described PC matrix material is 300-6.2 * 10
6Ω mm, flexural strength is 73-97MPa, and tensile strength is 59-88MPa, and shock strength is 20.3-23.2kJ/m
2, mobility is 41-56g/10min.
Further, PC matrix material of the present invention can further be incorporated as lubricant, releasing agent (wax for example, pentaerythritol tetrastearate for example, other wax, or polyethylene), static inhibitor and/or conductivity additive, stablizer (for example thermo-stabilizer, antioxidant, photostabilizer, processing stabilizers and hydrolysis stabilizer), dyestuff, pigment, mineral filler or strongthener, to have corresponding performance.
The weight 0-60% of further above-mentioned recovery PC material is replaced by PC, and the performance variation of the above embodiments 1-20 is no more than 15%, wherein can get 6%, 10%, 15%, 18%, 19%, 23%, 25%, 37%, 43%, 50%, 56%, or 60%.
PC matrix material of the present invention can be applied to extremely wide field, as electric, power tool, communications and transportation, automobile, machinery, instrument, building, information storage, optical material, medicine equipment, sports goods, civilian goods, security personnel, aerospace and defence and military.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or equivalent flow process conversion that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.
Claims (9)
1. PC matrix material, its main component is for comprising by weight:
PC reclaimed materials 75-90 part;
High-temperature nylon 0-3 part;
MBS, methyl methacrylate butadi ene copolymer or acrylonitrile-styrene-acrylic ester copolymer 5-10 part;
Atactic styrene-maleic anhydride copolymer 3-10 part;
Epoxy resin 0.1-1 part;
Oxidation inhibitor 0.1-0.5 part;
Tetrafluoroethylene 0.2-0.8 part;
Nanometer conductive material 0.3-10 part;
Wherein, described high-temperature nylon is at least a in PPTA, poly(isophthaloyl metaphenylene diamine), poly(p-benzamide), PA9T, PA6T, PA10T, PA12T;
Wherein, described oxidation inhibitor is phenolic antioxidant, monothioester oxidation inhibitor;
Wherein, this nanometer conductive material is the carbon nanotube conducting fiber, and this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the thermoplastic elastomer of the carbon nanotube conducting fiber of 0.1-5 part, the dispersion agent of 0.1-5 part and 10 parts; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
nC
6H
4SO
3X or alkyl-sulphate CH
3(CH
2)
nSO
4At least a in X, n=0-5 wherein, X=Li, Na, Mg, Ca, NH
4
Wherein, described PC reclaimed materials 0-60% by mass can substitute for the PC material.
2. PC matrix material as claimed in claim 1, it is characterized in that: described nanometer conductive material is respectively Li when n gets 1, X, Na, Mg, Ca, NH
4, the surface resistivity that records according to ASTM D257 is respectively 6.1 * 10
6, 8.3 * 10
6, 6.2 * 10
6, 5.8 * 10
6, 7.1 * 10
6Ω mm; When getting 0, X, n is respectively Li, Na, Mg, Ca, NH
4, the surface resistivity that records according to ASTM D257 is respectively 6.5 * 10
6, 8.1 * 10
6, 7.2 * 10
6, 5.3 * 10
6, 7.4 * 10
6Ω mm; When n got 5, X was respectively Li, Na, Mg, Ca, NH
4, the surface resistivity that records according to ASTM D257 is respectively 9.5 * 10
5, 3.1 * 10
6, 4.2 * 10
6, 1.3 * 10
6, 2.4 * 10
6Ω mm.
3. PC matrix material as claimed in claim 1 is characterized in that: described recovery PC material is 6%, 10%, 15%, 18%, 19%, 23%, 25%, 37%, 43%, 50%, 56% for the weight percentage of PC material replacement, or 60%.
4. PC matrix material as described in claim 1 or 3, it is characterized in that: described PC matrix material further comprises: at least a in lubricant, releasing agent, static inhibitor and/or conductivity additive, stablizer, dyestuff, pigment, mineral filler.
5. the preparation method of a PC matrix material comprises the following steps:
Get following component by mass parts and obtain blend composition:
PC reclaimed materials 75-90 part,
High-temperature nylon 0-3 part;
MBS, methyl methacrylate butadi ene copolymer or acrylonitrile-styrene-acrylic ester copolymer 5-10 part,
Atactic styrene-maleic anhydride copolymer 3-10 part,
Epoxy resin 0.1-1 part,
Oxidation inhibitor 0.1-0.5 part,
Tetrafluoroethylene 0.2-0.8 part,
Nanometer conductive material 0.3-10 part,
Wherein, described high-temperature nylon is at least a in PPTA, poly(isophthaloyl metaphenylene diamine), poly(p-benzamide), PA9T, PA6T, PA10T, PA12T,
Wherein, described oxidation inhibitor is phenolic antioxidant, monothioester oxidation inhibitor,
Wherein, this nanometer conductive material is the carbon nanotube conducting fiber, and this carbon nanotube conducting fiber is comprised of the component of following mass fraction: the thermoplastic elastomer of the carbon nanotube conducting fiber of 0.1-5 part, the dispersion agent of 0.1-5 part and 10 parts; This dispersion agent is alkylbenzene sulfonate CH
3(CH
2)
nC
6H
4SO
3X or alkyl-sulphate CH
3(CH
2)
nSO
4At least a in X, n=0-5 wherein, X=Li, Na, Mg, Ca, NH
4,
Wherein, described PC reclaimed materials 0-60% by mass can substitute for the PC material;
Granulation;
Injection moulding.
6. the preparation method of PC matrix material as claimed in claim 5, it is characterized in that: described PC matrix material, under ASTM D257 condition, surface measurements resistivity is 1.5-109 * 10
7Ω mm, measuring flexural strength under ASTM D790-2003 condition is 73-97MPa, and measuring tensile strength under ASTM D-638 condition is 59-88MPa, and measuring simply supported beam C type notched Izod impact strength under GB/T1043-93 condition is 20.3-23.2kJ/m
2, ASTM D1238 condition current downflow is 41-56g/10min.
7. the preparation method of PC matrix material as claimed in claim 6 is characterized in that: described recovery PC material is 6%, 10%, 15%, 18%, 19%, 23%, 25%, 37%, 43%, 50%, 56% for the weight percentage of PC material replacement, or 60%.
8. plastics, it is characterized in that, these plastics are by comprising that right asks the described PC matrix material of 1-4 any one, and at least a the making in following additive: described additive is lubricant, releasing agent, static inhibitor and/or conductivity additive, stablizer, dyestuff, pigment, mineral filler or strongthener.
9. application as the described PC matrix material of claim 1-4 any one, it is characterized in that, be applied to electric, communications and transportation, machinery, instrument, building, information storage, optical material, medicine equipment, sports goods, civilian goods, security personnel, aerospace and defence and military field.
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| CN104177804B (en) * | 2014-08-27 | 2016-08-24 | 东莞市卡尔文塑胶科技有限公司 | A kind of PC anti-stress cracking agent, preparation method and its usage |
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