CN101003677A - Formula for modifying PC(polycarbonate)reclaimed materials to PC/ABS alloy - Google Patents
Formula for modifying PC(polycarbonate)reclaimed materials to PC/ABS alloy Download PDFInfo
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- CN101003677A CN101003677A CN 200610033122 CN200610033122A CN101003677A CN 101003677 A CN101003677 A CN 101003677A CN 200610033122 CN200610033122 CN 200610033122 CN 200610033122 A CN200610033122 A CN 200610033122A CN 101003677 A CN101003677 A CN 101003677A
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- parts
- abs
- reclaimed materials
- oxidation inhibitor
- abs alloy
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- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
This invention relates to a formula for preparing flame-retardant PC/ABS alloy with high toughness by modifying recovered PC. The formula comprises: recovered PC 50-70 parts, ABS 20-47 parts, SMA 3-10 parts, epoxy resin 0.1-1 part, and antioxidant 0.1-0.5 part. This invention adopts high-efficiency compatibilizer to modify recovered PC and ABS and prepare PC/ABS alloy, thus can reduce the melt viscosity of PC and improve its processability, and is environmentally friendly due to resue of recovered PC.
Description
Technical field
The present invention relates to thermoplastic resin composition field in the high polymer material technology, be specifically related to a kind of PC (Polycarbonate, polycarbonate) reclaimed materials and be modified as the prescription of PC/ABS alloy.
Background technology
PC is the superior engineering plastics of a kind of over-all properties, have advantages such as excellent impact toughness, dimensional stability, electric insulating quality, creep resistant, weathering resistance, the transparency and nontoxicity, be widely used in fields such as mechanical means, construction work, communications and transportation, instrument and electric illumination.
PC also has some obvious defects,, easily stress cracking, to breach sensitivity, easily wearing and tearing, chemical proofing poor, on the high side etc. poor as: processing fluidity.The consumption of PC is bigger, and the amount of the defective material that produces in the production of articles process, mouth of a river material and reclaimed materials is also many simultaneously, therefore the PC reclaimed materials is carried out modification it can be reused, and is significant.And ABS has chemical resistance preferably, good processibility and high cost performance.PC reclaimed materials and ABS are carried out blending and modifying make the PC/ABS alloy material, can reduce the melt viscosity of PC on the one hand, improve its processing characteristics, can improve notch sensitivity and the chemical proofing of PC simultaneously, can recycle and reuse PC again on the other hand.
Summary of the invention
The object of the present invention is to provide a kind of PC reclaimed materials to be modified as the prescription of PC/ABS alloy, the PC defective material is reclaimed modification.
For achieving the above object, the prescription that PC reclaimed materials provided by the invention is modified as the PC/ABS alloy is to add ABS, compatilizer, Resins, epoxy and oxidation inhibitor to carry out modification in the PC reclaimed materials, thereby improves its mechanical property, has realized the recycling of PC.
A kind of PC reclaimed materials provided by the invention is modified as the prescription of PC/ABS alloy, is made up of the following component of calculating according to the mass fraction:
(a) the PC reclaimed materials is 50～70 parts
(b) ABS is 20～47 parts
(c) SMA is 3～10 parts
(d) Resins, epoxy is 0.1～1 part
(e) oxidation inhibitor is 0.1～0.5 part
Wherein SMA is atactic styrene-maleic anhydride copolymer (Styrene Maleic Anhydride).
Wherein said oxidation inhibitor is oxidation inhibitor 2921 or oxidation inhibitor 2225.
Preferably, a kind of PC reclaimed materials provided by the invention is modified as the prescription of PC/ABS alloy, is made up of the following component of calculating according to the mass fraction:
(a) the PC reclaimed materials is 58 parts
(b) ABS is 38 parts
(c) SMA is 4 parts
(d) Resins, epoxy is 1 part
(e) oxidation inhibitor is 0.5 part
Preferably, a kind of PC reclaimed materials provided by the invention is modified as the prescription of PC/ABS alloy, is made up of the following component of calculating according to the mass fraction:
(a) the PC reclaimed materials is 63 parts
(b) ABS is 29 parts
(c) SMA is 8 parts
(d) Resins, epoxy is 0.7 part
(e) oxidation inhibitor is 0.3 part
Preferably, a kind of PC reclaimed materials provided by the invention is modified as the prescription of PC/ABS alloy, is made up of the following component of calculating according to the mass fraction:
(a) the PC reclaimed materials is 70 parts
(b) ABS is 20 parts
(c) SMA is 10 parts
(d) Resins, epoxy is 0.2 part
(e) oxidation inhibitor is 0.2 part
PC reclaimed materials provided by the invention is modified as in the prescription of PC/ABS alloy and adopts alloy compatilizer efficiently, PC reclaimed materials and ABS are carried out blending and modifying make the PC/ABS alloy material, can reduce the melt viscosity of PC on the one hand, improve its processing characteristics, on the other hand PC is carried out economic recycling, can not cause extra burden environment.
PC/ABS alloy of the present invention can be made various forms of moulding product for utilization with the existing technical approach in present technique field.
Embodiment
Embodiment 1
Get compositions such as PC reclaimed materials, ABS, SMA, Resins, epoxy, oxidation inhibitor, all raw materials carried out blend by following compositing formula:
(a) the PC reclaimed materials is 58 parts
(b) ABS is 38 parts
(c) SMA is 4 parts
(d) Resins, epoxy is 1 part
(e) oxidation inhibitor is 2,921 0.5 parts
Again this blend composition is passed through mixing granulator in the forcing machine, the gained mixing granulator is made finished product through injection molding, and by the mechanical property of standard GB 13525/T-92 test gained finished product, the result is as shown in table 1 at last.
The alloy property of table 1: embodiment 1 gained PC after the ABS modification
| Project | Measured value |
| Shock strength (kJ/M 2) | 69.16 |
| Tensile strength (MPa) | 59.15 |
| Flexural strength (MPa) | 89.25 |
Embodiment 2
Get compositions such as PC reclaimed materials, ABS, SMA, Resins, epoxy, oxidation inhibitor, all raw materials carried out blend by following compositing formula:
(a) the PC reclaimed materials is 63 parts
(b) ABS is 29 parts
(c) SMA is 8 parts
(d) Resins, epoxy is 0.7 part
(e) oxidation inhibitor is 2,921 0.3 parts
Again this blend composition is passed through mixing granulator in the forcing machine, the gained mixing granulator is made finished product through injection molding, and by the mechanical property of standard GB 13525/T-92 test gained finished product, the result is as shown in table 2 at last.
The alloy property of table 2: embodiment 2 gained PC after the ABS modification
| Project | Measured value |
| Shock strength (kJ/M 2) | 67.54 |
| Tensile strength (MPa) | 62.58 |
| Flexural strength (MPa) | 89.51 |
Embodiment 3
Get compositions such as PC reclaimed materials, ABS, SMA, Resins, epoxy, oxidation inhibitor, all raw materials carried out blend by following compositing formula:
(a) the PC reclaimed materials is 70 parts
(b) ABS is 20 parts
(c) SMA is 10 parts
(d) Resins, epoxy is 0.2 part
(e) oxidation inhibitor is 2,921 0.2 parts
Again this blend composition is passed through mixing granulator in the forcing machine, the gained mixing granulator is made finished product through injection molding, and by the mechanical property of standard GB 13525/T-92 test gained finished product, the result is as shown in table 3 at last.
The alloy property of table 3: embodiment 3 gained PC after the ABS modification
| Project | Measured value |
| Shock strength (kJ/M 2) | 62.60 |
| Tensile strength (MPa) | 59.09 |
| Flexural strength (MPa) | 90.59 |
Above embodiment is the detailed description that the present invention is done.Notice that these embodiments are not in order to limit the present invention, for those skilled in the art, the improvement of being made and additional should be considered as within protection scope of the present invention without departing from the spirit of the invention.
Claims (5)
1. a PC reclaimed materials is modified as the prescription of PC/ABS alloy, it is characterized in that, is made up of the following component of calculating according to the mass fraction:
(a) the PC reclaimed materials is 50～70 parts
(b) ABS is 20～47 parts
(c) SMA is 3～10 parts
(d) Resins, epoxy is 0.1～1 part
(e) oxidation inhibitor is 0.1～0.5 part
2. PC reclaimed materials according to claim 1 is modified as the prescription of PC/ABS alloy, it is characterized in that, described described oxidation inhibitor is oxidation inhibitor 2921 or oxidation inhibitor 2225.
3. PC reclaimed materials according to claim 1 and 2 is modified as the prescription of PC/ABS alloy, it is characterized in that, is made up of the following component of calculating according to the mass fraction:
(a) the PC reclaimed materials is 58 parts
(b) ABS is 38 parts
(c) SMA is 4 parts
(d) Resins, epoxy is 1 part
(e) oxidation inhibitor is 0.5 part
4. PC reclaimed materials according to claim 1 and 2 is modified as the prescription of PC/ABS alloy, it is characterized in that, is made up of the following component of calculating according to the mass fraction:
(a) the PC reclaimed materials is 63 parts
(b) ABS is 29 parts
(c) SMA is 8 parts
(d) Resins, epoxy is 0.7 part
(e) oxidation inhibitor is 0.3 part
5. PC reclaimed materials according to claim 1 and 2 is modified as the prescription of PC/ABS alloy, it is characterized in that, is made up of the following component of calculating according to the mass fraction:
(a) the PC reclaimed materials is 70 parts
(b) ABS is 20 parts
(c) SMA is 10 parts
(d) Resins, epoxy is 0.2 part
(e) oxidation inhibitor is 0.2 part
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610033122 CN101003677A (en) | 2006-01-20 | 2006-01-20 | Formula for modifying PC(polycarbonate)reclaimed materials to PC/ABS alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610033122 CN101003677A (en) | 2006-01-20 | 2006-01-20 | Formula for modifying PC(polycarbonate)reclaimed materials to PC/ABS alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101003677A true CN101003677A (en) | 2007-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610033122 Pending CN101003677A (en) | 2006-01-20 | 2006-01-20 | Formula for modifying PC(polycarbonate)reclaimed materials to PC/ABS alloy |
Country Status (1)
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| CN (1) | CN101003677A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787666A (en) * | 2021-09-13 | 2021-12-14 | 苏州诚模精密科技有限公司 | Method for improving appearance of injection molding product by using post-consumer recycled material |
-
2006
- 2006-01-20 CN CN 200610033122 patent/CN101003677A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787666A (en) * | 2021-09-13 | 2021-12-14 | 苏州诚模精密科技有限公司 | Method for improving appearance of injection molding product by using post-consumer recycled material |
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