CN1986637A - Composition of recovered inferior PC/ABS material and its application - Google Patents
Composition of recovered inferior PC/ABS material and its application Download PDFInfo
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- CN1986637A CN1986637A CN 200510120982 CN200510120982A CN1986637A CN 1986637 A CN1986637 A CN 1986637A CN 200510120982 CN200510120982 CN 200510120982 CN 200510120982 A CN200510120982 A CN 200510120982A CN 1986637 A CN1986637 A CN 1986637A
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- abs
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- defective material
- polycarbonate
- disposable recovering
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- Compositions Of Macromolecular Compounds (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The composition of recovered inferior PC/ABS material consists of recovered inferior PC/ABS material 70-85 wt%, impact modifier 10-26 wt% and fire retardant 2-5 wt%. The modified composition has raised mechanical performance and endowed fire retarding performance, and may be used in making product. The present invention can reach increased economic utility and reduced environmental pollution.
Description
Technical field
The present invention relates to PC/ABS (Polycarbonate/ABS Alloy, PC) disposable recovering composition, also relate to the application of this disposable recovering composition in resin manufacture.
Background technology
Cold burden, defective material or defective materials such as substandard products, recovery article that the PC/ABS resin is produced when injection molding are very many, and the treatment process to the PC/ABS defective material mainly comprises at present: (1) burns or land-fill method is handled.Owing in burning process, can produce sulfurous gas obnoxious flavoures such as (being the essential substance that forms acid rain), very easily cause environmental pollution; And take in the land-fill method processing because the refractory organics of PC/ABS also can cause very big harm to environment.Present this method is in the industry cycle progressively eliminated.(2) the PC/ABS defective material is simply reclaimed take out grain and do not carry out any modification, be downgraded to common plastics to use,, fail to make full use of the economic worth of these defective materials though solved problem of environmental pollution.(3) the PC/ABS defective material is reclaimed modification.Adopt of industry adds the mechanical property that coupling agent improves resin more when reclaiming PC/ABS at present, but the sold resin that this method modification forms only is applicable to the mechanical property of materials and the not high situation of accuracy requirement; And adopt acid anhydrides usually as coupling agent, in the course of processing, acid anhydrides can produce corrosion and the work-ing life of reduction equipment to molding device and mould.
Summary of the invention
The object of the present invention is to provide a kind of PC/ABS disposable recovering composition, the PC/ABS defective material is reclaimed modification.
For achieving the above object, PC/ABS disposable recovering composition of the present invention is to add properties-correcting agent, fire retardant and carry out blending in the PC/ABS defective material, the PC/ABS defective material is carried out modification, thereby improve its mechanical property and give flame retardant resistance.
A kind of PC/ABS disposable recovering composition provided by the invention comprises the following component of calculating by mass percentage:
(a) the PC/ABS defective material 70～85%
(b) impact modifier 10～26%
(c) fire retardant 2～5%
What wherein said impact modifier was fire-retardant polycarbonate, rubber content greater than in 50% ABS resin or MBS (MBS) resin is a kind of.
Wherein said fire retardant is a kind of in brominated polycarbonate, brominated polycarbonate, TDE or the decabromodiphynly oxide.
The content of bromine is 58% in the wherein said brominated polycarbonate.
Preferably, a kind of PC/ABS disposable recovering composition provided by the invention comprises the following component of calculating by mass percentage:
(a) the PC/ABS defective material 77.6%
(b) fire-retardant polycarbonate 19.4%
(c) brominated polycarbonate 3%
The content of bromine is 56-60% in the wherein said brominated polycarbonate, is preferably 58%.
Implement PC/ABS disposable recovering composition of the present invention, owing to adopt impact modifier to replace coupling agent of the prior art, the PC/ABS defective material is reclaimed modification, make it reach the service requirements of novel material and obtain economic recycling, can not cause extra burden environment.PC/ABS disposable recovering composition 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
To compositions such as PC/ABS defective material, properties-correcting agent and fire retardants, following compositing formula is by mass percentage done all raw materials and is mixed:
(a) the PC/ABS defective material 70%
(b) fire-retardant polycarbonate 26%
(c) brominated polycarbonate 4%
Again this dry blend is passed through mixing granulator in the forcing machine, the gained mixing granulator is made finished product through injection molding, at last by the mechanical property of standard GB 13525/T-92 test gained finished product and by its flame retardant properties of the U.S. UL94 of electrician association standard testing, and compare with the performance of PC/ABS raw material, PC/ABS defective material itself respectively, the result is as shown in table 1.
Table 1
| Test event | The PC/ABS raw material | The PC/ABS defective material | The composition of embodiment 1 |
| Tensile strength (MPa) | 65.49 | 64.84 | 66.31 |
| Shock strength (Kg*cm/cm 2) | 55.40 | 51.97 | 54.26 |
| Flame retardant resistance | V0 | V1 | V0 |
Embodiment 2
To compositions such as PC/ABS defective material, properties-correcting agent and fire retardants, following compositing formula is by mass percentage done all raw materials and is mixed:
(a) the PC/ABS defective material 77.6%
(b) fire-retardant polycarbonate 19.4%
(c) brominated polycarbonate 3%
Again this dry blend is passed through mixing granulator in the forcing machine, the gained mixing granulator is made finished product through injection molding, at last by the mechanical property of standard GB 13525/T-92 test gained finished product and by its flame retardant properties of the U.S. UL94 of electrician association standard testing, and compare with the performance of PC/ABS raw material, PC/ABS defective material itself respectively, the result is as shown in table 2.
Table 2
| Test event | The PC/ABS raw material | The PC/ABS defective material | The composition of embodiment 1 |
| Tensile strength (MPa) | 65.49 | 64.84 | 67.21 |
| Shock strength (Kg*cm/cm2) | 55.40 | 51.97 | 50.81 |
| Flame retardant resistance | V0 | V1 | V0 |
Embodiment 3
To compositions such as PC/ABS defective material, properties-correcting agent and fire retardants, following compositing formula is by mass percentage done all raw materials and is mixed:
(a) the PC/ABS defective material 85%
(b) fire-retardant polycarbonate 13%
(c) brominated polycarbonate 2%
Again this dry blend is passed through mixing granulator in the forcing machine, the gained mixing granulator is made finished product through injection molding, at last by the mechanical property of standard GB 13525/T-92 test gained finished product and by its flame retardant properties of the U.S. UL94 of electrician association standard testing, and compare with the performance of PC/ABS raw material, PC/ABS defective material itself respectively, the result is as shown in table 3.
Table 3
| Test event | The PC/ABS raw material | The PC/ABS defective material | The composition of embodiment 1 |
| Tensile strength (MPa) | 65.49 | 64.84 | 65.83 |
| Shock strength (Kg*cm/cm2) | 55.40 | 51.97 | 50.20 |
| Flame retardant resistance | V0 | V1 | V0 |
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 (7)
1. a PC/ABS disposable recovering composition is characterized in that, comprises following component by mass percentage:
(a) the PC/ABS defective material 70～85%,
(b) impact modifier 10～26%,
(c) fire retardant 2～5%.
2. PC/ABS disposable recovering composition according to claim 1 is characterized in that, described impact modifier is to be selected from a kind of greater than in 50% ABS resin or the MBS resin of fire-retardant polycarbonate, rubber content.
3. PC/ABS disposable recovering composition according to claim 1 and 2 is characterized in that, described fire retardant is to be selected from a kind of in brominated polycarbonate, TDE or the decabromodiphynly oxide.
4. PC/ABS disposable recovering composition according to claim 3 is characterized in that, comprises following component by mass percentage:
(a) the PC/ABS defective material 77.6%
(b) polycarbonate 19.4%
(c) brominated polycarbonate 3%.
5. according to claim 3 or 4 described PC/ABS disposable recovering compositions, it is characterized in that the content of bromine is 56-60% in the described brominated polycarbonate.
6. PC/ABS disposable recovering composition according to claim 5 is characterized in that, the content of bromine is 58% in the described brominated polycarbonate.
7. the application of the described PC/ABS disposable recovering composition of claim 1 in resin manufacture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510120982 CN1986637A (en) | 2005-12-22 | 2005-12-22 | Composition of recovered inferior PC/ABS material and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510120982 CN1986637A (en) | 2005-12-22 | 2005-12-22 | Composition of recovered inferior PC/ABS material and its application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1986637A true CN1986637A (en) | 2007-06-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510120982 Pending CN1986637A (en) | 2005-12-22 | 2005-12-22 | Composition of recovered inferior PC/ABS material and its application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1986637A (en) |
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2005
- 2005-12-22 CN CN 200510120982 patent/CN1986637A/en active Pending
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Open date: 20070627 |