CN103408928B - A kind of fiberglass reinforced PA 6/PS alloy material and preparation method thereof - Google Patents
A kind of fiberglass reinforced PA 6/PS alloy material and preparation method thereof Download PDFInfo
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- CN103408928B CN103408928B CN201310343725.6A CN201310343725A CN103408928B CN 103408928 B CN103408928 B CN 103408928B CN 201310343725 A CN201310343725 A CN 201310343725A CN 103408928 B CN103408928 B CN 103408928B
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Abstract
The invention discloses a kind of fiberglass reinforced PA 6/PS alloy material, is described alloy material prepared by the feed composition of following parts by weight: PA6? 40 ~ 80 parts, PS? 10 ~ 40 parts, compatilizer 4 ~ 10 parts, coupling agent 1 ~ 5 part, 0.2 ~ 0.5 part, oxidation inhibitor, lubricant 0.2 ~ 0.5 part, 10 ~ 40 parts, glass fibre.Present invention also offers the preparation method of fiberglass reinforced PA 6/PS alloy material.The comprehensive mechanical property of product fiberglass reinforced PA 6/PS alloy material of the present invention is excellent, and shrinking percentage is low, dimensional stabilizing, and shock strength is high, wear-resisting and corrosion-resistant; There is the features such as low warpage, oil resistant, high temperature resistant and processing characteristics are excellent, make it have very wide application prospect in fields such as electronic apparatus, automobile, mining machineries.
Description
Technical field
The present invention relates to technical field of alloy material, specifically, is a kind of fiberglass reinforced PA 6/PS alloy material and preparation method thereof.
Background technology
Polycaprolactam (being called for short PA6) is the crystalline polymer obtained by amino acid or corresponding lactan, there is higher melt temperature and second-order transition temperature, because the molecular chain of PA6 contains strong polar group-CO-NH-, this constructional feature makes it have good mechanical property, specific tenacity is higher than metal, its wear resistance, impelling strength, self lubricity are excellent, resistance to most of salt, oils and aromatic compounds, easy-formation, is thus widely used in the fields such as synthon, film and engineering plastics.But the shortcomings such as fragile under low temperatureization, water-intake rate are large, poor dimensional stability that PA6 exists, greatly limit its application.
Polystyrene (being called for short PS) refers to by the non-crystalline state unregulated polymer of styrene monomer through free radical polycondensation, PS is one of four large general-purpose plastics kinds, there is good thermal insulation, insulation, transparent and processing fluidity, water absorbability is low, surface smoothness is high, is widely used in lagging material, packaging film, instrument and electronic device field.But the shortcomings such as shock strength is low, poor heat resistance that PS material also exists, therefore use range is restricted.
About fiberglass reinforced PA 6/PS alloy material of the present invention, yet there are no report.
Summary of the invention
The object of the invention is for deficiency of the prior art, a kind of fiberglass reinforced PA 6/PS alloy material is provided.
Of the present invention again one object be that a kind of preparation method of fiberglass reinforced PA 6/PS alloy material is provided.
For achieving the above object, the technical scheme that the present invention takes is:
A kind of fiberglass reinforced PA 6/PS alloy material, described alloy material is prepared by the feed composition of following parts by weight:
PA640 ~ 80 part,
PS10 ~ 40 part,
Compatilizer 4 ~ 10 parts,
Coupling agent 1 ~ 5 part,
0.2 ~ 0.5 part, oxidation inhibitor,
Lubricant 0.2 ~ 0.5 part,
10 ~ 40 parts, glass fibre.
The melt flow rate (MFR) of described PA6 is 10 ~ 20g/10min.
The melt flow rate (MFR) of described PS is 2 ~ 10g/10min.
Described compatilizer is the mixture of styrene-maleic anhydride copolymer, glycidyl methacrylate copolymer or the two arbitrary proportion.
Described coupling agent is preferably 3-triethoxysilyl-1-propylamine.
Described oxidation inhibitor is the compound of Hinered phenols antioxidant and phosphite ester kind antioxidant.
Described Hinered phenols antioxidant is preferably oxidation inhibitor HD98, and described phosphite ester kind antioxidant is preferably irgasfos 168, and the weight ratio of oxidation inhibitor HD98 and irgasfos 168 is preferably 1:1.
Described lubricant is MB-4 silicone powder and/or TAF silicone powder.
Described glass fibre is alkali free glass fibre, and the surface of this alkali free glass fibre is through silane coupling agent immersion treatment mistake.
For realizing above-mentioned second object, the technical scheme that the present invention takes is:
A preparation method for fiberglass reinforced PA 6/PS alloy material, comprises the following steps:
(1) take each raw material according to described parts by weight, PA6 is dried 2 ~ 5 hours at 100 DEG C;
(2) except glass fibre, other raw materials are put into high efficient mixer mixing 5 ~ 10 minutes, then discharging;
(3) Preblend of step (2) gained and glass fibre are put into screw machine to extrude and water-cooled granulation, the rotating speed of screw machine is 180 ~ 600 revs/min, and temperature is 245 ~ 265 DEG C.
The invention has the advantages that:
1, the comprehensive mechanical property of product fiberglass reinforced PA 6/PS alloy material of the present invention is excellent, and shrinking percentage is low, dimensional stabilizing, and shock strength is high, wear-resisting and corrosion-resistant;
2, the PA6/PS alloy phase ratio strengthened with non-glass fibre, alloy material of the present invention uses for some time in high temperature environments, its size conservation rate is high, mechanical property keeps stable, the coefficient of linear expansion of material reduces, heat-drawn wire improves, and all has clear improvement in the thermotolerance and resistance to warping of material;
3, the fiberglass reinforced PA 6/PS alloy that prepared by the present invention has the features such as low warpage, oil resistant, high temperature resistant and processing characteristics are excellent, makes it have very wide application prospect in fields such as electronic apparatus, automobile, mining machineries.
Embodiment
Below embodiment provided by the invention is elaborated.
In embodiments of the invention and comparative example, PA6 is commercially available polycaprolactam, and its melt flow rate (MFR) is 10 ~ 20g/10min.PS is commercial polysterol, and its melt flow rate (MFR) is 2 ~ 10g/10min.Compatilizer is the mixture of styrene-maleic anhydride copolymer, glycidyl methacrylate copolymer or the two arbitrary proportion.Coupling agent is preferably 3-triethoxysilyl-1-propylamine, purchased from Zhejiang boiling point Chemical Co., Ltd..It is the oxidation inhibitor HD98 of 1:1 and the compound of irgasfos 168 that oxidation inhibitor is preferably weight ratio.Lubricant is MB-4 silicone powder and/or TAF silicone powder.Glass fibre is preferably alkali free glass fibre, and the surface of this alkali free glass fibre is through silane coupling agent immersion treatment mistake.
embodiment 1 and comparative example 1
Compatilizer is styrene-maleic anhydride copolymer, and coupling agent is 3-triethoxysilyl-1-propylamine, and oxidation inhibitor is weight ratio is the oxidation inhibitor HD98 of 1:1 and the compound of irgasfos 168, MB-4 silicone powder and the TAF silicone powder of lubricant to be weight ratio be 1:1.Take each raw material according to following parts by weight, and PA6 dried 5 hours at 100 DEG C:
Embodiment 1:PA644 part, PS15 part, compatilizer 8 parts, coupling agent 3 parts, 0.3 part, oxidation inhibitor, lubricant 0.3 part, 30 parts, glass fibre;
Comparative example 1:PA644 part, PS15 part, compatilizer 8 parts, coupling agent 3 parts, 0.3 part, oxidation inhibitor, lubricant 0.3 part.
Except glass fibre, other raw materials are put into high efficient mixer mixing 10 minutes, then discharging; The Preblend of gained and glass fibre are put into screw machine to extrude and water-cooled granulation, the rotating speed of screw machine is 200 revs/min, and temperature is 245 ~ 265 DEG C.
embodiment 2 and comparative example 2
Compatilizer is styrene-maleic anhydride copolymer, and coupling agent is 3-triethoxysilyl-1-propylamine, and oxidation inhibitor is weight ratio is the oxidation inhibitor HD98 of 2:1 and the compound of irgasfos 168, and lubricant is MB-4 silicone powder.Take each raw material according to following parts by weight, and PA6 dried 3 hours at 100 DEG C:
Embodiment 2:PA639 part, PS20 part, compatilizer 8 parts, coupling agent 3 parts, 0.3 part, oxidation inhibitor, lubricant 0.3 part, 30 parts, glass fibre;
Comparative example 2:PA639 part, PS20 part, compatilizer 8 parts, coupling agent 3 parts, 0.3 part, oxidation inhibitor, lubricant 0.3 part.
Except glass fibre, other raw materials are put into high efficient mixer mixing 9 minutes, then discharging; The Preblend of gained and glass fibre are put into screw machine to extrude and water-cooled granulation, the rotating speed of screw machine is 400 revs/min, and temperature is 245 ~ 265 DEG C.
embodiment 3 and comparative example 3
Compatilizer is styrene-maleic anhydride copolymer, coupling agent is 3-triethoxysilyl-1-propylamine, oxidation inhibitor is weight ratio is the oxidation inhibitor HD98 of 3:1 and the compound of irgasfos 168, lubricant is TAF silicone powder, and glass fibre is the alkali free glass fibre that surface is crossed through silane coupling agent immersion treatment.Take each raw material according to following parts by weight, and PA6 dried 4 hours at 100 DEG C:
Embodiment 3:PA647 part, PS15 part, compatilizer 5 parts, coupling agent 3 parts, 0.3 part, oxidation inhibitor, lubricant 0.3 part, 30 parts, glass fibre;
Comparative example 3:PA647 part, PS15 part, compatilizer 5 parts, coupling agent 3 parts, 0.3 part, oxidation inhibitor, lubricant 0.3 part.
Except glass fibre, other raw materials are put into high efficient mixer mixing 8 minutes, then discharging; The Preblend of gained and glass fibre are put into screw machine to extrude and water-cooled granulation, the rotating speed of screw machine is 500 revs/min, and temperature is 245 ~ 265 DEG C.
embodiment 4 and comparative example 4
Compatilizer is glycidyl methacrylate copolymer, coupling agent is 3-triethoxysilyl-1-propylamine, oxidation inhibitor is weight ratio is the oxidation inhibitor HD98 of 1:1 and the compound of irgasfos 168, MB-4 silicone powder and the TAF silicone powder of lubricant to be weight ratio be 1:2, glass fibre is the alkali free glass fibre that surface is crossed through silane coupling agent immersion treatment.Take each raw material according to following parts by weight, and PA6 dried 2 hours at 100 DEG C:
Embodiment 4:PA647 part, PS15 part, compatilizer 5 parts, coupling agent 3 parts, 0.3 part, oxidation inhibitor, lubricant 0.3 part, 20 parts, glass fibre;
Comparative example 4:PA647 part, PS15 part, compatilizer 5 parts, coupling agent 3 parts, 0.3 part, oxidation inhibitor, lubricant 0.3 part.
Except glass fibre, other raw materials are put into high efficient mixer mixing 5 minutes, then discharging; The Preblend of gained and glass fibre are put into screw machine to extrude and water-cooled granulation, the rotating speed of screw machine is 180 revs/min, and temperature is 245 ~ 265 DEG C.
the performance test of embodiment 1 ~ embodiment 4, alloy material prepared by comparative example 1 ~ comparative example 4
Fiberglass reinforced prepared by embodiment 1 ~ embodiment 4, comparative example 1 ~ comparative example 4 or non-glass fibre are strengthened alloy material and be injection molded into standard examination bar by standard size, alloy property is tested by standard respectively, the results are shown in Table 1:
Table 1 the performance test results
As can be seen from Table 1, fiberglass reinforced alloy material prepared by embodiment 1 ~ embodiment 4, the non-glass fibre prepared with comparative example 1 ~ comparative example 4 strengthens compared with alloy material, the coefficient of linear expansion of material reduces, heat-drawn wire improves, and all has clear improvement in the thermotolerance and resistance to warping of material; Use for some time in high temperature environments, its size conservation rate is high, and mechanical property keeps stable; The comprehensive mechanical property of alloy material prepared by the present invention is excellent, and shrinking percentage is low, dimensional stabilizing, and shock strength is high, the wear-resisting and corrosion-resistant advantage of tool.
embodiment 5
Compatilizer is glycidyl methacrylate copolymer, coupling agent is 3-triethoxysilyl-1-propylamine, oxidation inhibitor is weight ratio is the oxidation inhibitor HD98 of 1:1 and the compound of irgasfos 168, MB-4 silicone powder and the TAF silicone powder of lubricant to be weight ratio be 2:1, glass fibre is the alkali free glass fibre that surface is crossed through silane coupling agent immersion treatment.Take each raw material according to following parts by weight, and PA6 dried 4 hours at 100 DEG C:
PA640 part, PS10 part, compatilizer 4 parts, coupling agent 5 parts, 0.2 part, oxidation inhibitor, lubricant 0.5 part, 10 parts, glass fibre.
Except glass fibre, other raw materials are put into high efficient mixer mixing 6 minutes, then discharging; The Preblend of gained and glass fibre are put into screw machine to extrude and water-cooled granulation, the rotating speed of screw machine is 600 revs/min, and temperature is 245 ~ 265 DEG C.
embodiment 6
Styrene-maleic anhydride copolymer and the glycidyl methacrylate copolymer of compatilizer to be weight ratio be 1:2, coupling agent is 3-triethoxysilyl-1-propylamine, oxidation inhibitor is weight ratio is the oxidation inhibitor HD98 of 1:1 and the compound of irgasfos 168, lubricant is MB-4 silicone powder, and glass fibre is the alkali free glass fibre that surface is crossed through silane coupling agent immersion treatment.Take each raw material according to following parts by weight, and PA6 dried 5 hours at 100 DEG C:
PA680 part, PS10 part, compatilizer 10 parts, coupling agent 1 part, 0.5 part, oxidation inhibitor, lubricant 0.2 part, 20 parts, glass fibre.
Except glass fibre, other raw materials are put into high efficient mixer mixing 7 minutes, then discharging; The Preblend of gained and glass fibre are put into screw machine to extrude and water-cooled granulation, the rotating speed of screw machine is 450 revs/min, and temperature is 245 ~ 265 DEG C.
embodiment 7
Styrene-maleic anhydride copolymer and the glycidyl methacrylate copolymer of compatilizer to be weight ratio be 1:1, coupling agent is 3-triethoxysilyl-1-propylamine, oxidation inhibitor is weight ratio is the oxidation inhibitor HD98 of 1:1 and the compound of irgasfos 168, lubricant is TAF silicone powder, and glass fibre is the alkali free glass fibre that surface is crossed through silane coupling agent immersion treatment.Take each raw material according to following parts by weight, and PA6 dried 3 hours at 100 DEG C:
PA640 part, PS40 part, compatilizer 10 parts, coupling agent 5 parts, 0.4 part, oxidation inhibitor, lubricant 0.4 part, 40 parts, glass fibre.
Except glass fibre, other raw materials are put into high efficient mixer mixing 9 minutes, then discharging; The Preblend of gained and glass fibre are put into screw machine to extrude and water-cooled granulation, the rotating speed of screw machine is 380 revs/min, and temperature is 245 ~ 265 DEG C.
embodiment 8
Styrene-maleic anhydride copolymer and the glycidyl methacrylate copolymer of compatilizer to be weight ratio be 2:1, coupling agent is 3-triethoxysilyl-1-propylamine, oxidation inhibitor is oxidation inhibitor HD98, lubricant is MB-4 silicone powder, and glass fibre is the alkali free glass fibre that surface is crossed through silane coupling agent immersion treatment.Take each raw material according to following parts by weight, and PA6 dried 5 hours at 100 DEG C:
PA644 part, PS20 part, compatilizer 7 parts, coupling agent 4 parts, 0.3 part, oxidation inhibitor, lubricant 0.2 part, 25 parts, glass fibre.
Except glass fibre, other raw materials are put into high efficient mixer mixing 10 minutes, then discharging; The Preblend of gained and glass fibre are put into screw machine to extrude and water-cooled granulation, the rotating speed of screw machine is 220 revs/min, and temperature is 245 ~ 265 DEG C.
Fiberglass reinforced PA 6/PS alloy material embodiment 5 to embodiment 8 prepared is injection molded into standard examination bar by standard size, and alloy property is tested by standard respectively, and result shows: the comprehensive mechanical property of alloy material is excellent, shrinking percentage is low, dimensional stabilizing, shock strength is high, wear-resisting and corrosion-resistant; Use for some time in high temperature environments, its size conservation rate is high, and mechanical property keeps stable, and the coefficient of linear expansion of material reduces, and heat-drawn wire improves, and all has clear improvement in the thermotolerance and resistance to warping of material; Fiberglass reinforced PA 6/PS alloy prepared by the present invention has the features such as low warpage, oil resistant, high temperature resistant and processing characteristics are excellent, makes it have very wide application prospect in fields such as electronic apparatus, automobile, mining machineries.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the inventive method; can also make some improvement and supplement, these improve and supplement and also should be considered as protection scope of the present invention.
Claims (1)
1. a fiberglass reinforced PA 6/PS alloy material, is characterized in that, described alloy material is prepared by the feed composition of following parts by weight:
PA647 part,
PS15 part,
Compatilizer 5 parts,
Coupling agent 3 parts,
0.3 part, oxidation inhibitor,
Lubricant 0.3 part,
30 parts, glass fibre,
The melt flow rate (MFR) of described PA6 is 10 ~ 20g/10min, the melt flow rate (MFR) of described PS is 2 ~ 10g/10min, described compatilizer is styrene-maleic anhydride copolymer, described coupling agent is 3-triethoxysilyl-1-propylamine, described oxidation inhibitor is weight ratio is the oxidation inhibitor HD98 of 3:1 and the compound of irgasfos 168, described lubricant is TAF silicone powder, and described glass fibre is the alkali free glass fibre that surface is crossed through silane coupling agent immersion treatment;
The preparation method of described alloy material comprises the following steps:
(1) take each raw material according to above-mentioned parts by weight, PA6 dried 4 hours at 100 DEG C,
(2) except glass fibre, other raw materials are put into high efficient mixer mixing 8 minutes, then discharging,
(3) Preblend of step (2) gained and glass fibre are put into screw machine to extrude and water-cooled granulation, the rotating speed of screw machine is 500 revs/min, and temperature is 245 ~ 265 DEG C.
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CN104693630A (en) * | 2013-12-06 | 2015-06-10 | 上海杰事杰新材料(集团)股份有限公司 | A polystyrene/polyamide blended alloy material and a preparing method thereof |
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CN104017357A (en) * | 2014-06-19 | 2014-09-03 | 江苏兆鋆新材料股份有限公司 | High-impact and high-processing fluidity damping material and preparation method thereof |
CN107868449A (en) * | 2017-11-21 | 2018-04-03 | 天津金发新材料有限公司 | A kind of low-density, antistatic, wear-resisting enhancing PA6/PS materials |
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