CN103408928A - Glass fiber reinforced PA6/PS alloy material and preparation method thereof - Google Patents
Glass fiber reinforced PA6/PS alloy material and preparation method thereof Download PDFInfo
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- CN103408928A CN103408928A CN2013103437256A CN201310343725A CN103408928A CN 103408928 A CN103408928 A CN 103408928A CN 2013103437256 A CN2013103437256 A CN 2013103437256A CN 201310343725 A CN201310343725 A CN 201310343725A CN 103408928 A CN103408928 A CN 103408928A
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Abstract
The invention discloses a glass fiber reinforced PA6/PS (Polycaprolactam/Poly Styrene) alloy material. The alloy material is prepared from the following raw material components in parts by weight: 40-80 parts of PA6, 10-40 parts of PS, 4-10 parts of compatilizer, 1-5 parts of couplint agent, 0.2-0.5 part of antioxygen, 0.2-0.5 part of lubricant and 10-40 parts of glass fibers. The invention further comprises a preparation method of the glass fiber reinforced PA6/PS alloy material. The glass fiber reinforced PA6/PS alloy material is favorable in comprehensive mechanical property, low in shrinkage percentage, stable in size and high in impact strength, can resist wear and corrosion, has the characteristics of low warpage, oil resistance, high-temperature resistance, excellent processability and the like, and has an extremely wide application prospect in the fields of electronics, automobiles, mining machinery and the like.
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 made by amino acid or corresponding lactan, have higher melt temperature and second-order transition temperature, on molecular chain because of PA6, contain 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 good, anti-most of salt, oils and aromatic compounds, easy-formation, thereby be 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, limited its application greatly.
Polystyrene (being called for short PS) refers to the non-crystalline state unregulated polymer formed through the free radical polycondensation by styrene monomer, PS is one of four large general-purpose plastics kinds, have 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 the PS material exists, so 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 objective of the invention is for deficiency of the prior art, a kind of fiberglass reinforced PA 6/PS alloy material is provided.
One purpose more of the present invention is that a kind of preparation method of fiberglass reinforced PA 6/PS alloy material is provided.
For achieving the above object, the technical scheme taked of the present invention 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:
40～80 parts of PA6,
10～40 parts of PS,
4～10 parts of compatilizers,
1～5 part of coupling agent,
0.2～0.5 part, oxidation inhibitor,
0.2～0.5 part of lubricant,
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, glytidyl methacrylate multipolymer or the two arbitrary proportion.
Described coupling agent is 3-triethoxysilyl-1-propylamine preferably.
Described oxidation inhibitor is the compound of Hinered phenols antioxidant and phosphite ester kind antioxidant.
Described Hinered phenols antioxidant is oxidation inhibitor HD98 preferably, and described phosphite ester kind antioxidant is irgasfos 168 preferably, 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 purpose, the technical scheme that the present invention takes is:
A kind of preparation method of fiberglass reinforced PA 6/PS alloy material comprises the following steps:
(1) according to described parts by weight, take each raw material, PA6 was dried 2～5 hours under 100 ℃;
(2), except glass fibre, other raw materials are put into to high efficient mixer and mixed 5～10 minutes, then discharging;
(3) Preblend of step (2) gained and glass fibre are put into to screw machine is extruded and the water-cooled granulation, the rotating speed of screw machine is 180～600 rev/mins, and temperature is 245～265 ℃.
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 good, 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 is used for some time under hot environment, its size conservation rate is high, it is stable that mechanical property keeps, the coefficient of linear expansion of material reduces, heat-drawn wire improves, and is all having clear improvement aspect the thermotolerance of material and anti-warpage properties;
3, the fiberglass reinforced PA 6/PS alloy for preparing of the present invention has the characteristics such as low warpage, oil resistant, high temperature resistant and processing characteristics excellence, makes it in fields such as electronic apparatus, automobile, mining machineries, have very wide application prospect.
Embodiment
Below embodiment provided by the invention is elaborated.
In embodiments of the invention and Comparative Examples, 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, glytidyl methacrylate multipolymer or the two arbitrary proportion.Coupling agent is preferably 3-triethoxysilyl-1-propylamine, purchased from Zhejiang boiling point chemical industry company limited.Oxidation inhibitor is preferably oxidation inhibitor HD98 that weight ratio is 1:1 and the compound of irgasfos 168.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 Examples 1
Compatilizer is styrene-maleic anhydride copolymer, and coupling agent is 3-triethoxysilyl-1-propylamine, and oxidation inhibitor is that weight ratio is the oxidation inhibitor HD98 of 1:1 and the compound of irgasfos 168, and lubricant is that weight ratio is MB-4 silicone powder and the TAF silicone powder of 1:1.According to following parts by weight, take each raw material, and PA6 was dried 5 hours under 100 ℃:
44 parts of embodiment 1:PA6,15 parts of PS, 8 parts of compatilizers, 3 parts of coupling agents, 0.3 part, oxidation inhibitor, 0.3 part of lubricant, 30 parts, glass fibre;
44 parts of Comparative Examples 1:PA6,15 parts of PS, 8 parts of compatilizers, 3 parts of coupling agents, 0.3 part, oxidation inhibitor, 0.3 part of lubricant.
Except glass fibre, other raw materials are put into to high efficient mixer and mixed 10 minutes, then discharging; The Preblend of gained and glass fibre are put into to screw machine is extruded and the water-cooled granulation, the rotating speed of screw machine is 200 rev/mins, and temperature is 245～265 ℃.
Embodiment 2 and Comparative Examples 2
Compatilizer is styrene-maleic anhydride copolymer, and coupling agent is 3-triethoxysilyl-1-propylamine, and oxidation inhibitor is that weight ratio is the oxidation inhibitor HD98 of 2:1 and the compound of irgasfos 168, and lubricant is MB-4 silicone powder.According to following parts by weight, take each raw material, and PA6 was dried 3 hours under 100 ℃:
39 parts of embodiment 2:PA6,20 parts of PS, 8 parts of compatilizers, 3 parts of coupling agents, 0.3 part, oxidation inhibitor, 0.3 part of lubricant, 30 parts, glass fibre;
39 parts of Comparative Examples 2:PA6,20 parts of PS, 8 parts of compatilizers, 3 parts of coupling agents, 0.3 part, oxidation inhibitor, 0.3 part of lubricant.
Except glass fibre, other raw materials are put into to high efficient mixer and mixed 9 minutes, then discharging; The Preblend of gained and glass fibre are put into to screw machine is extruded and the water-cooled granulation, the rotating speed of screw machine is 400 rev/mins, and temperature is 245～265 ℃.
Embodiment 3 and Comparative Examples 3
Compatilizer is styrene-maleic anhydride copolymer, coupling agent is 3-triethoxysilyl-1-propylamine, oxidation inhibitor is that 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 the silane coupling agent immersion treatment.According to following parts by weight, take each raw material, and PA6 was dried 4 hours under 100 ℃:
47 parts of embodiment 3:PA6,15 parts of PS, 5 parts of compatilizers, 3 parts of coupling agents, 0.3 part, oxidation inhibitor, 0.3 part of lubricant, 30 parts, glass fibre;
47 parts of Comparative Examples 3:PA6,15 parts of PS, 5 parts of compatilizers, 3 parts of coupling agents, 0.3 part, oxidation inhibitor, 0.3 part of lubricant.
Except glass fibre, other raw materials are put into to high efficient mixer and mixed 8 minutes, then discharging; The Preblend of gained and glass fibre are put into to screw machine is extruded and the water-cooled granulation, the rotating speed of screw machine is 500 rev/mins, and temperature is 245～265 ℃.
Embodiment 4 and Comparative Examples 4
Compatilizer is the glytidyl methacrylate multipolymer, coupling agent is 3-triethoxysilyl-1-propylamine, oxidation inhibitor is that weight ratio is the oxidation inhibitor HD98 of 1:1 and the compound of irgasfos 168, lubricant is that weight ratio is MB-4 silicone powder and the TAF silicone powder of 1:2, and glass fibre is the alkali free glass fibre that surface is crossed through the silane coupling agent immersion treatment.According to following parts by weight, take each raw material, and PA6 was dried 2 hours under 100 ℃:
47 parts of embodiment 4:PA6,15 parts of PS, 5 parts of compatilizers, 3 parts of coupling agents, 0.3 part, oxidation inhibitor, 0.3 part of lubricant, 20 parts, glass fibre;
47 parts of Comparative Examples 4:PA6,15 parts of PS, 5 parts of compatilizers, 3 parts of coupling agents, 0.3 part, oxidation inhibitor, 0.3 part of lubricant.
Except glass fibre, other raw materials are put into to high efficient mixer and mixed 5 minutes, then discharging; The Preblend of gained and glass fibre are put into to screw machine is extruded and the water-cooled granulation, the rotating speed of screw machine is 180 rev/mins, and temperature is 245～265 ℃.
The performance test of the alloy material that embodiment 1～embodiment 4, Comparative Examples 1～Comparative Examples 4 are prepared
Embodiment 1～embodiment 4, prepared glass enhancing or the non-glass fibre enhancing alloy material of Comparative Examples 1～Comparative Examples 4 are injection molded into to the standard strip by standard size, and 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, the glass of embodiment 1～embodiment 4 preparations strengthens alloy material, with the non-glass fibre of Comparative Examples 1～Comparative Examples 4 preparations, strengthening alloy material compares, the coefficient of linear expansion of material reduces, heat-drawn wire improves, and is all having clear improvement aspect the thermotolerance of material and anti-warpage properties; Under hot environment, use for some time, its size conservation rate is high, and it is stable that mechanical property keeps; The comprehensive mechanical property of alloy material prepared by the present invention is good, 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 the glytidyl methacrylate multipolymer, coupling agent is 3-triethoxysilyl-1-propylamine, oxidation inhibitor is that weight ratio is the oxidation inhibitor HD98 of 1:1 and the compound of irgasfos 168, lubricant is that weight ratio is MB-4 silicone powder and the TAF silicone powder of 2:1, and glass fibre is the alkali free glass fibre that surface is crossed through the silane coupling agent immersion treatment.According to following parts by weight, take each raw material, and PA6 was dried 4 hours under 100 ℃:
40 parts of PA6,10 parts of PS, 4 parts of compatilizers, 5 parts of coupling agents, 0.2 part, oxidation inhibitor, 0.5 part of lubricant, 10 parts, glass fibre.
Except glass fibre, other raw materials are put into to high efficient mixer and mixed 6 minutes, then discharging; The Preblend of gained and glass fibre are put into to screw machine is extruded and the water-cooled granulation, the rotating speed of screw machine is 600 rev/mins, and temperature is 245～265 ℃.
Embodiment 6
Compatilizer is that weight ratio is styrene-maleic anhydride copolymer and the glytidyl methacrylate multipolymer of 1:2, coupling agent is 3-triethoxysilyl-1-propylamine, oxidation inhibitor is that 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 the silane coupling agent immersion treatment.According to following parts by weight, take each raw material, and PA6 was dried 5 hours under 100 ℃:
80 parts of PA6,10 parts of PS, 10 parts of compatilizers, 1 part of coupling agent, 0.5 part, oxidation inhibitor, 0.2 part of lubricant, 20 parts, glass fibre.
Except glass fibre, other raw materials are put into to high efficient mixer and mixed 7 minutes, then discharging; The Preblend of gained and glass fibre are put into to screw machine is extruded and the water-cooled granulation, the rotating speed of screw machine is 450 rev/mins, and temperature is 245～265 ℃.
Embodiment 7
Compatilizer is that weight ratio is styrene-maleic anhydride copolymer and the glytidyl methacrylate multipolymer of 1:1, coupling agent is 3-triethoxysilyl-1-propylamine, oxidation inhibitor is that 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 the silane coupling agent immersion treatment.According to following parts by weight, take each raw material, and PA6 was dried 3 hours under 100 ℃:
40 parts of PA6,40 parts of PS, 10 parts of compatilizers, 5 parts of coupling agents, 0.4 part, oxidation inhibitor, 0.4 part of lubricant, 40 parts, glass fibre.
Except glass fibre, other raw materials are put into to high efficient mixer and mixed 9 minutes, then discharging; The Preblend of gained and glass fibre are put into to screw machine is extruded and the water-cooled granulation, the rotating speed of screw machine is 380 rev/mins, and temperature is 245～265 ℃.
Embodiment 8
Compatilizer is that weight ratio is styrene-maleic anhydride copolymer and the glytidyl methacrylate multipolymer of 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 the silane coupling agent immersion treatment.According to following parts by weight, take each raw material, and PA6 was dried 5 hours under 100 ℃:
44 parts of PA6,20 parts of PS, 7 parts of compatilizers, 4 parts of coupling agents, 0.3 part, oxidation inhibitor, 0.2 part of lubricant, 25 parts, glass fibre.
Except glass fibre, other raw materials are put into to high efficient mixer and mixed 10 minutes, then discharging; The Preblend of gained and glass fibre are put into to screw machine is extruded and the water-cooled granulation, the rotating speed of screw machine is 220 rev/mins, and temperature is 245～265 ℃.
The fiberglass reinforced PA 6/PS alloy material of embodiment 5 to embodiment 8 preparations is injection molded into to the standard strip by standard size, and alloy property is tested by standard respectively, and result shows: the comprehensive mechanical property of alloy material is good, shrinking percentage is low, dimensional stabilizing, shock strength is high, wear-resisting and corrosion-resistant; Under hot environment, use for some time, its size conservation rate is high, and it is stable that mechanical property keeps, and the coefficient of linear expansion of material reduces, and heat-drawn wire improves, and is all having clear improvement aspect the thermotolerance of material and anti-warpage properties; Fiberglass reinforced PA 6/PS alloy prepared by the present invention has the characteristics such as low warpage, oil resistant, high temperature resistant and processing characteristics excellence, makes it in fields such as electronic apparatus, automobile, mining machineries, have very wide application prospect.
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 that does not break away from the inventive method; can also make some improvement and supplement, these improvement and supplement and also should be considered as protection scope of the present invention.
Claims (10)
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:
40～80 parts of PA6,
10～40 parts of PS,
4～10 parts of compatilizers,
1～5 part of coupling agent,
0.2～0.5 part, oxidation inhibitor,
0.2～0.5 part of lubricant,
10～40 parts, glass fibre.
2. fiberglass reinforced PA 6/PS alloy material according to claim 1, is characterized in that, the melt flow rate (MFR) of described PA6 is 10～20g/10min.
3. fiberglass reinforced PA 6/PS alloy material according to claim 1, is characterized in that, the melt flow rate (MFR) of described PS is 2～10g/10min.
4. fiberglass reinforced PA 6/PS alloy material according to claim 1, is characterized in that, described compatilizer is the mixture of styrene-maleic anhydride copolymer, glytidyl methacrylate multipolymer or the two arbitrary proportion.
5. fiberglass reinforced PA 6/PS alloy material according to claim 1, is characterized in that, described coupling agent is 3-triethoxysilyl-1-propylamine.
6. fiberglass reinforced PA 6/PS alloy material according to claim 1, is characterized in that, described oxidation inhibitor is the compound of Hinered phenols antioxidant and phosphite ester kind antioxidant.
7. fiberglass reinforced PA 6/PS alloy material according to claim 6, is characterized in that, described Hinered phenols antioxidant is oxidation inhibitor HD98, and described phosphite ester kind antioxidant is irgasfos 168, and the weight ratio of oxidation inhibitor HD98 and irgasfos 168 is 1:1.
8. fiberglass reinforced PA 6/PS alloy material according to claim 1, is characterized in that, described lubricant is MB-4 silicone powder and/or TAF silicone powder.
9. fiberglass reinforced PA 6/PS alloy material according to claim 1, is characterized in that, 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.
10. the preparation method of a fiberglass reinforced PA 6/PS alloy material claimed in claim 1, is characterized in that, comprises the following steps:
(1) according to parts by weight claimed in claim 1, take each raw material, PA6 was dried 2～5 hours under 100 ℃;
(2), except glass fibre, other raw materials are put into to high efficient mixer and mixed 5～10 minutes, then discharging;
(3) Preblend of step (2) gained and glass fibre are put into to screw machine is extruded and the water-cooled granulation, the rotating speed of screw machine is 180～600 rev/mins, and temperature is 245～265 ℃.
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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 |
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| 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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| CN103694695B (en) * | 2013-12-19 | 2016-10-05 | 上海日之升新技术发展有限公司 | A kind of fiber glass reinforced halogen-free flame retardant PA6/PS alloy material and preparation method thereof |
| 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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