CN104151577A - Preparation method of enhanced PET modified engineering plastic - Google Patents
Preparation method of enhanced PET modified engineering plastic Download PDFInfo
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- CN104151577A CN104151577A CN201410407723.3A CN201410407723A CN104151577A CN 104151577 A CN104151577 A CN 104151577A CN 201410407723 A CN201410407723 A CN 201410407723A CN 104151577 A CN104151577 A CN 104151577A
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Abstract
The invention provides a preparation method of an enhanced PET modified engineering plastic, which comprises the following steps: 1)preparing the raw materials according to following ratio: 55-65 parts of PET slices, 30-40 parts of nano silica, 10-20 parts of magnesium borate whisker, 0.5-1 part of coupling agent, 0.5-1 part of anti-oxidant and 0.5-1 part of lubricant, adding in a high speed mixer for uniformly mixing; and 2)sending a mixture into a double screw extruder for performing melt blending, extruding, bracing, cooling in water, granulating and drying to obtain the finished product. The preparation method comprises the following technical effects that the enhanced PET modified engineering plastic has the characteristics of high mechanical strength, good heat resistance, good size stability, good wear resistance, good electrical insulating property, and easy processing and moulding.
Description
Technical field
the present invention relates to a kind of preparation method of REINFORCED PET modified engineered plastic, belong to modified engineered plastic technical field.
Background technology
Engineering plastics refer to that tensile strength is more than 50MPa, and modulus in flexure is more than 2GPa, and shock strength is more than 60J/m, and life-time service temperature is more than 100 degrees Celsius, for the plastics of the industries such as automobile, machinery, electronic apparatus.
Modified engineered plastic, refers on the basis of general-purpose plastics and engineering plastics, through method processing such as filling, blend, enhancings, has improved the plastics of the performance of the aspects such as flame retardant resistance, intensity, shock resistance, toughness.Common plastics often have it self characteristic and defect, and modified plastics changes character to plastics exactly, and basic technology comprises: 1, strengthen: by glass fibre etc. with plastic blend to increase the physical strength of plastics.2, fill: by the weighting materials such as mineral and plastic blend, the character such as shrinking percentage, hardness, intensity of plastics are changed.3, toughness reinforcing: by add toughner blend to improve the toughness of plastics, the product after toughening modifying: rail pad to common plastics.4, fire-retardant: add fire retardant to common plastics resin the inside, can make plastics have flame-retarding characteristic, fire retardant can be a kind of compound system of or several fire retardants, as bromine+antimony system, phosphorus system, nitrogen system, silicon system, and other inorganic fire-retarded systems.5, cold-resistant: to increase plastics intensity and toughness at low temperatures, the general intrinsic at low temperatures low temperature brittleness of plastics, makes to apply in low temperature environment limited, need to add some low temperature resistant toughner and change plastics fragility at low temperatures, such as plastics such as bumpers, general requirement is cold-resistant.
PET is as one of kind important in engineering plastics, there is very strong vitality, mainly be to realize high performance after its modification, next is that the industries self such as automobile, electrical equipment, telecommunication, electronics, machinery are more and more stronger to the high performance requirement of product, related industries develop rapidly, promoted the process of engineering plastics high performances, made it play the part of more and more important role.Flourish along with the industry such as domestic automobile electric and electronic, people are more and more higher to the requirement of material, and the demand of modified engineered plastic will significantly rise, more and more higher to the intensity of modified engineered plastic and the performance requriements such as fire-retardant.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, a kind of preparation method of REINFORCED PET modified engineered plastic is provided.
The preparation method of REINFORCED PET modified engineered plastic of the present invention, comprises the following steps:
1) according to following proportioning, prepare raw material: PET section 55-65 weight part, nano silicon 30-40 weight part, magnesium borate crystal whisker 10-20 weight part, coupling agent 0.5-1 weight part, oxidation inhibitor 0.5-1 weight part, lubricant 0.5-1 weight part, adds in high-speed mixer and mixes;
2) melt extrude: by compound send into that twin screw extruder carries out that melt blending is extruded, tie rod, water-cooled, pelletizing, dry, get product.
Preferably,
Described raw material comprises following ingredients: PET 60 weight parts of cutting into slices, nano silicon 35 weight parts, magnesium borate crystal whisker 15 weight parts, coupling agent 0.8 weight part, oxidation inhibitor 0.8 weight part, lubricant 0.8 weight part.
The present invention has following technique effect: the REINFORCED PET modified engineered plastic of preparation has that physical strength is high, resistance toheat good, good stability of the dimension, wear resistance is good, electrical insulation properties is good, be easy to the characteristics such as machine-shaping.Can be used for manufacturing car engine cover, automotive gearbox, automotive transmission assembly, automobile wheel cap, vehicle synchronous belt lid, vehicle fuel tank cap, office chair support, electronic heat gun, electric percussion drill, electric slicer, electric bicycle rim brake, Textile shuttle, fishing gear component, trunk accessory, pump impeller, cooling fan, precision instrument drain pan, pick up camera component etc.
Embodiment
embodiment 1preparation REINFORCED PET modified engineered plastic
The preparation method of the REINFORCED PET modified engineered plastic of the present embodiment, comprises the following steps:
1) according to following proportioning, prepare raw material: PET 55 weight parts of cutting into slices, nano silicon 30 weight parts, magnesium borate crystal whisker 10 weight parts, coupling agent 0.5 weight part, oxidation inhibitor 1 weight part, lubricant 1 weight part, adds in high-speed mixer and mixes;
2) melt extrude: by compound send into that twin screw extruder carries out that melt blending is extruded, tie rod, water-cooled, pelletizing, dry, get product.
embodiment 2preparation REINFORCED PET modified engineered plastic
The preparation method of the REINFORCED PET modified engineered plastic of the present embodiment, comprises the following steps:
1) according to following proportioning, prepare raw material: PET 65 weight parts of cutting into slices, nano silicon 40 weight parts, magnesium borate crystal whisker 20 weight parts, coupling agent 1 weight part, oxidation inhibitor 0.5 weight part, lubricant 0.5 weight part, adds in high-speed mixer and mixes;
2) melt extrude: by compound send into that twin screw extruder carries out that melt blending is extruded, tie rod, water-cooled, pelletizing, dry, get product.
embodiment 3preparation REINFORCED PET modified engineered plastic
The preparation method of the REINFORCED PET modified engineered plastic of the present embodiment, comprises the following steps:
1) according to following proportioning, prepare raw material: PET 60 weight parts of cutting into slices, nano silicon 35 weight parts, magnesium borate crystal whisker 15 weight parts, coupling agent 0.8 weight part, oxidation inhibitor 0.8 weight part, lubricant 0.8 weight part, adds in high-speed mixer and mixes;
2) melt extrude: by compound send into that twin screw extruder carries out that melt blending is extruded, tie rod, water-cooled, pelletizing, dry, get product.
Claims (2)
1. a preparation method for REINFORCED PET modified engineered plastic, is characterized in that, comprises the following steps:
1) according to following proportioning, prepare raw material: PET section 55-65 weight part, nano silicon 30-40 weight part, magnesium borate crystal whisker 10-20 weight part, coupling agent 0.5-1 weight part, oxidation inhibitor 0.5-1 weight part, lubricant 0.5-1 weight part, adds in high-speed mixer and mixes;
2) melt extrude: by compound send into that twin screw extruder carries out that melt blending is extruded, tie rod, water-cooled, pelletizing, dry, get product.
2. the preparation method of REINFORCED PET modified engineered plastic according to claim 1, it is characterized in that, described raw material comprises following ingredients: PET 60 weight parts of cutting into slices, nano silicon 35 weight parts, magnesium borate crystal whisker 15 weight parts, coupling agent 0.8 weight part, oxidation inhibitor 0.8 weight part, lubricant 0.8 weight part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410407723.3A CN104151577A (en) | 2014-08-19 | 2014-08-19 | Preparation method of enhanced PET modified engineering plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410407723.3A CN104151577A (en) | 2014-08-19 | 2014-08-19 | Preparation method of enhanced PET modified engineering plastic |
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| Publication Number | Publication Date |
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| CN104151577A true CN104151577A (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410407723.3A Pending CN104151577A (en) | 2014-08-19 | 2014-08-19 | Preparation method of enhanced PET modified engineering plastic |
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| CN (1) | CN104151577A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019098979A3 (en) * | 2017-11-17 | 2019-06-13 | Erciyes Universitesi | A method for inhibiting harmful chemicals formed in manufactured and semi-manufactured materials produced from pet |
| CN111907165A (en) * | 2020-08-17 | 2020-11-10 | 李法雷 | Wear-resistant scratch-resistant antibacterial BOPET film and preparation method thereof |
| CN115895206A (en) * | 2022-11-21 | 2023-04-04 | 盘锦海兴科技股份有限公司 | Flame-retardant PET material and preparation method thereof |
-
2014
- 2014-08-19 CN CN201410407723.3A patent/CN104151577A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019098979A3 (en) * | 2017-11-17 | 2019-06-13 | Erciyes Universitesi | A method for inhibiting harmful chemicals formed in manufactured and semi-manufactured materials produced from pet |
| CN111907165A (en) * | 2020-08-17 | 2020-11-10 | 李法雷 | Wear-resistant scratch-resistant antibacterial BOPET film and preparation method thereof |
| CN115895206A (en) * | 2022-11-21 | 2023-04-04 | 盘锦海兴科技股份有限公司 | Flame-retardant PET material and preparation method thereof |
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Application publication date: 20141119 |