CN105462243A - Glass-microsphere modifying material for polyamide PA6 - Google Patents
Glass-microsphere modifying material for polyamide PA6 Download PDFInfo
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- CN105462243A CN105462243A CN201410453683.6A CN201410453683A CN105462243A CN 105462243 A CN105462243 A CN 105462243A CN 201410453683 A CN201410453683 A CN 201410453683A CN 105462243 A CN105462243 A CN 105462243A
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- polymeric amide
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Abstract
The objective of the invention is to provide a hollow-glass-microsphere filling material for modifying polyamide and capable of improving mechanical performance of a polyamide material, and a preparation method thereof. The total output of polyamide nylon ranks the first place in the world in terms of engineering plastics. The polyamide nylon itself has the advantages of high tensile strength and impact strength, excellent wear resistance and corrosion resistance, self-lubrication, etc. The hollow glass microsphere is a novel filling material, has the advantages of light weight, low thermal conductivity, high strength, good chemical stability, etc., has oleophilic and hydrophobic performances after the surface of the hollow glass microsphere is specially treated, and is easy to be dispersed in an organic material system. Through modification of the hollow glass microsphere, the polyamide has better physical and mechanical properties. The hollow-glass-microsphere filling material for modifying the polyamide provided by the invention has significantly important significances to application and further popularization of the polyamide material, and can improve safety factors in applications of automotive electrical appliances, mechanical equipment, transportation, etc.
Description
Technical field
The invention belongs to polyamide material production technical field, is a kind of modified polyamide hollow glass micropearl packing material improving the original deficiency of polymeric amide and preparation method thereof specifically.
Background technology
Polymeric amide (nylon), English name: Polyamide, abbreviation title PA.Its chemical formula is: [-NH (CH2) 6-NHCO (CH2) 4CO] n.Structural formula is as follows:
Polyamide nylon ultimate production occupy the first place of world's engineering plastics.Itself there is comparatively high tensile and shock strength, very superior wear resistance and erosion resistance, and the advantage such as self-lubricating, along with increasing of polymeric amide kind, the improvement of performance, its purposes is also more and more extensive, and range of application comprises automobile, mechanical means, electronic apparatus, chemical industry equipment, building, daily necessities, communications and transportation etc.Glass microballon is a kind of taking novel filling material, and have the advantages such as light weight, low heat conduction, higher intensity, good chemical stability, its surface has oleophyllie hydrophobic performance through special processing, is very easy to be scattered in organic materials system.By Filled With Hollow Bead polymeric amide, make it have better physical and mechanical properties.
Summary of the invention
The object of this invention is to provide a kind of modified polyamide hollow glass micropearl packing material improving polyamide material mechanical property and preparation method thereof.
Modified polyamide hollow glass micropearl packing material is made up of following weight ratio raw material:
Polymeric amide (PA6) raw material: 75 ~ 95
Hollow glass micropearl (15 μm): 8.0 ~ 12.0
Coupling agent (KH-550): 1.0 ~ 3.0
Oxidation inhibitor: 0.8 ~ 1.2
Tinting material: 0.8 ~ 1.2
Dispersed lubricant: 0.8 ~ 1.2
Coupling agent of the present invention is silane coupling agent; Oxidation inhibitor is the multipolymer of ethylene-octene; Dispersed lubricant is TAS-2A.
The preparation method of this modified polyamide hollow glass micropearl packing material, comprise the following steps: hollow glass micropearl at 120 DEG C dry 2 hours, again above-mentioned various raw material is dry mixed 10-12 minute in super mixer, then be placed in twin screw extruder through melt extruding, cooling, pelletizing, packaging final prod; Wherein, twin screw extruder one district temperature is 160-180 DEG C, and 2nd district are 230-250 DEG C, and 3rd district are 255-275 DEG C, and 4th district are 250-270 DEG C; 5th district are 230-250 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
The mechanical property of gained modified polyamide hollow glass micropearl packing material of the present invention can reach use standard, makes polyamide material improve safety performance in use.
Embodiment
Below by embodiment, the present invention is described further, and following examples are only that the present invention will be described but not are limited it.
Embodiment 1:
(1) by weight score to take each raw material respectively as follows:
Polymeric amide (PA6) raw material: 85
Hollow glass micropearl (15 μm): 10.0
Silane coupling agent (KH-550): 2.0
Oxidation inhibitor (multipolymer of ethylene-octene): 1.0
Tinting material: 1.0
Dispersed lubricant (TAS-2A): 1.0
(2) by hollow glass micropearl at 120 DEG C dry 2 hours, more above-mentioned various raw material is dry mixed 10-12 minute in super mixer, then be placed in twin screw extruder through melt extruding, cooling, pelletizing, packaging final prod; Wherein, twin screw extruder one district temperature is 160-180 DEG C, and 2nd district are 230-250 DEG C, and 3rd district are 255-275 DEG C, and 4th district are 250-270 DEG C; 5th district are 230-250 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
Experimental result:
| Characteristic parameter | Testing standard | Performance index | Test data |
| 1 tensile strength MPa | ASTM/D638 | / | 98 |
| 2 elongation at break % | ASTM/D638 | / | 5.0 |
| 3 flexural strength MPa | ASTM/D790 | / | 110.5 |
| 4 modulus in flexure MPa | ASTM/D790 | / | 3450.0 |
| 5IZOD notched Izod impact strength J/m | ASTM/D256 | / | 112.0 |
Above-mentioned experimental result shows, the mechanical property of modified polyamide hollow glass micropearl packing material obtains very significantly improving.
Embodiment 2:
(1) by weight score to take each raw material respectively as follows:
Polymeric amide (PA6) raw material: 75
Hollow glass micropearl (15 μm): 8.0
Silane coupling agent (KH-550): 1.0
Oxidation inhibitor (multipolymer of ethylene-octene): 0.8
Tinting material: 0.8
Dispersed lubricant (TAS-2A): 0.8
(2) by hollow glass micropearl at 120 DEG C dry 2 hours, more above-mentioned various raw material is dry mixed 10-12 minute in super mixer, then be placed in twin screw extruder through melt extruding, cooling, pelletizing, packaging final prod; Wherein, twin screw extruder one district temperature is 160-180 DEG C, and 2nd district are 230-250 DEG C, and 3rd district are 255-275 DEG C, and 4th district are 250-270 DEG C; 5th district are 230-250 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
Experimental result:
| Characteristic parameter | Testing standard | Performance index | Test data |
| 1 tensile strength MPa | ASTM/D638 | / | 94 |
| 2 elongation at break % | ASTM/D638 | / | 4.9 |
| 3 flexural strength MPa | ASTM/D790 | / | 106.8 |
| 4 modulus in flexure MPa | ASTM/D790 | / | 3425.0 |
| 5IZOD notched Izod impact strength J/m | ASTM/D256 | / | 107.6 |
Above-mentioned test result shows, the mechanical property of modified polyamide hollow glass micropearl packing material is significantly improved and improves.
Embodiment 3:
(1) by weight score to take each raw material respectively as follows:
Polymeric amide (PA6) raw material: 95
Hollow glass micropearl (15 μm): 12.0
Silane coupling agent (KH-550): 3.0
Oxidation inhibitor (multipolymer of ethylene-octene): 1.2
Tinting material: 1.2
Dispersed lubricant (TAS-2A): 1.2
(2) by hollow glass micropearl at 120 DEG C dry 2 hours, more above-mentioned various raw material is dry mixed 10-12 minute in super mixer, then be placed in twin screw extruder through melt extruding, cooling, pelletizing, packaging final prod; Wherein, twin screw extruder one district temperature is 160-180 DEG C, and 2nd district are 230-250 DEG C, and 3rd district are 255-275 DEG C, and 4th district are 250-270 DEG C; 5th district are 230-250 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
Experimental result:
| Characteristic parameter | Testing standard | Performance index | Test data |
| 1 tensile strength MPa | ASTM/D638 | / | 95.5 |
| 2 elongation at break % | ASTM/D638 | / | 5.1 |
| 3 flexural strength MPa | ASTM/D790 | / | 108.2 |
| 4 modulus in flexure MPa | ASTM/D790 | / | 3433.0 |
| 5IZOD notched Izod impact strength J/m | ASTM/D256 | / | 119.1 |
Above-mentioned experimental result shows, the mechanical property of modified polyamide hollow glass micropearl packing material obtains comparatively significantly improving, but relative to the proportioning of embodiment 1 and embodiment 2, all the other mechanical properties exist certain gap.
Above-described embodiment is of the present invention illustrating, is not used for limiting the present invention.Shown by above-mentioned experiment, wherein embodiment 1 is optimum weight percent, and the tensile strength of the modified polyamide hollow glass micropearl packing material manufactured by present method, elongation at break, the performance such as flexural strength and modulus in flexure obtain obvious improvement.
Modified polyamide hollow glass micropearl packing material of the present invention, for application and the further genralrlization of polyamide material, tool is of great significance.Also the proud raising of safety coefficient in car electrics, mechanical means, communications and transportation etc. use is made.
Claims (4)
1. polymeric amide glass microballon packing material, is characterized in that: be made up of following weight ratio raw material,
Polymeric amide (PA6) raw material: 75 ~ 95
Hollow glass micropearl (15 μm): 8.0 ~ 12.0
Coupling agent (KH-550): 1.0 ~ 3.0
Oxidation inhibitor: 0.8 ~ 1.2
Tinting material: 0.8 ~ 1.2
Dispersed lubricant: 0.8 ~ 1.2.
2. polymeric amide glass microballon packing material according to claim 1, is characterized in that: optimum weight percent raw material consists of:
Polymeric amide (PA6) raw material: 85
Hollow glass micropearl (15 μm): 10.0
Coupling agent (KH-550): 2.0
Oxidation inhibitor: 1.0
Tinting material: 1.0
Dispersed lubricant: 1.0.
3. polymeric amide glass microballon packing material according to claim 1, is characterized in that: coupling agent of the present invention is silane coupling agent; Oxidation inhibitor is the multipolymer of ethylene-octene; Dispersed lubricant is TAS-2A.
4. polymeric amide glass microballon packing material according to claim 1, it is characterized in that: by hollow glass micropearl at 120 DEG C dry 2 hours, again above-mentioned various raw material is dry mixed 10-12 minute in super mixer, then be placed in twin screw extruder through melt extruding, cooling, pelletizing, packaging final prod; Wherein, twin screw extruder one district temperature is 160-180 DEG C, and 2nd district are 230-250 DEG C, and 3rd district are 255-275 DEG C, and 4th district are 250-270 DEG C; 5th district are 230-250 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410453683.6A CN105462243A (en) | 2014-09-05 | 2014-09-05 | Glass-microsphere modifying material for polyamide PA6 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410453683.6A CN105462243A (en) | 2014-09-05 | 2014-09-05 | Glass-microsphere modifying material for polyamide PA6 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105462243A true CN105462243A (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410453683.6A Pending CN105462243A (en) | 2014-09-05 | 2014-09-05 | Glass-microsphere modifying material for polyamide PA6 |
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- 2014-09-05 CN CN201410453683.6A patent/CN105462243A/en active Pending
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160406 |
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| WD01 | Invention patent application deemed withdrawn after publication |