CN100475904C - Polycarbonate/ABS composition - Google Patents
Polycarbonate/ABS composition Download PDFInfo
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- CN100475904C CN100475904C CNB2005100358192A CN200510035819A CN100475904C CN 100475904 C CN100475904 C CN 100475904C CN B2005100358192 A CNB2005100358192 A CN B2005100358192A CN 200510035819 A CN200510035819 A CN 200510035819A CN 100475904 C CN100475904 C CN 100475904C
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Abstract
A polycarbonate/ABS composition and its production are disclosed. The composition consists of polycarbonate with molecular-weight 20,000-200,000 20-50 proportion, ABS with rubber content 20-40% 40-60 proportion, graft copolymer of butadiene and maleic anhydride with graft ratio 5-20% 3-15 proportion, and tetra(beta-(3,5-di-tert-4-hydroxyphenyl)methyl acetic acid)pentaerythritol ester/di(2,4-di-tert-phenyl)pentaerythritol bi(diphosphorous acid ester in proportion of 1:1 0.1-1 proportion. It has better interface compatibility and mechanical impact performance. It can be used for various formed plastic product.
Description
Affiliated technical field
The present invention relates to polymeric material field, particularly a kind of polycarbonate/ABS composition.
Background technology
Polycarbonate (PC) has the shock strength height, creep resistance, advantage such as dimensional stability is good, and is heat-resisting, transparent, nontoxic, and dielectric properties are good; But also have poor processability, the product internal stress is big, and is easy to crack, to shortcomings such as breach sensitivities, and costs an arm and a leg.Propylene is fine/and butadiene/styrene copolymers (ABS) has processing fluidity preferably, surface decoration easily, advantages such as low price, but its shock strength is low, poor heat resistance.
PC, ABS are mixed use, form composition, then can reach the effect of learning from other's strong points to offset one's weaknesses.Obtain good comprehensive properties PC/ABS alloy.PC/ABS combines the premium properties of PC and ABS, has improved thermotolerance, shock resistance and the tensile strength of ABS on the one hand, has reduced PC cost and melt viscosity on the other hand.These advantages of PC/ABS alloy make it obtain using the most widely in electric field and electronics fashional consumption product field.
Yet there is the shortcoming of consistency difference in the simple blend of PC/ABS.Styrene-acrylonitrile among PC and the ABS (SAN) solubility parameter is more approaching, and PC is 9.8 (cal/cm
3)
0.5, SAN is 9.3～9.6 (cal/cm
3)
0.5, the consistency of SAN and PC is better, however the polyhutadiene among PC and the ABS is difficult to compatible, can cause weak connection between them, and physicals is descended.Existing many bibliographical informations multiple expanding material, can improve the consistency of ABS and PC, as SMA, PMMA, MBS, ACR, the compatilizer of Chang Zuowei PC/ABS alloys such as ABS-g-MA.Contain the history of thermoplastic composition existing three more than ten years of polycarbonate and abs polymer, each major company has applied for a large amount of patents, be mainly concerned with the PC/ABS alloy increase-volume, fire-retardant, solve field such as weld mark.Disclose the polyolefinic alloy of a kind of PC/ as US5847041, mentioned and adopt the consistency that to improve behind the PP grafted maleic anhydride with PC.
Summary of the invention
The object of the present invention is to provide the good polycarbonate of a kind of mechanical property/ABS composition.
The present invention seeks to realize like this: the weight part of the composition of above-mentioned polycarbonate/ABS composition is:
Molecular weight 20,000～200,20～50 parts of 000 polycarbonate;
40～60 parts of the ABS of rubber content 20%～40%;
3～15 parts of the divinyl of percentage of grafting 5%～20% and the graft copolymers of maleic anhydride;
Ratio is 0.1～1 part of the two diphosphites of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester/pair (2, the 4-di-tert-butyl-phenyl) tetramethylolmethane of 1: 1.
Compared with prior art, the present invention has increased the interface compatibility of polycarbonate, ABS, has increased the mechanical property, particularly impact property of composition.
Embodiment
Below with reference to specific embodiment the present invention is described in detail.
The present invention is in order to increase the interface compatibility of polycarbonate, ABS, increases the mechanical property of composition, and the weight part of its composition is:
Molecular weight 20,000～200,20～50 parts of 000 polycarbonate;
40～60 parts of the ABS of rubber content 20%～40%;
3～15 parts of the divinyl of percentage of grafting 5%～20% and the graft copolymers of maleic anhydride;
Ratio is 0.1～1 part of the two diphosphites of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester/pair (2, the 4-di-tert-butyl-phenyl) tetramethylolmethane of 1: 1.
The weight part of composition of the present invention is preferably:
Molecular weight 20,000～200,30～40 parts of 000 polycarbonate;
50～55 parts of the ABS of rubber content 20%～40%;
8～12 parts of the divinyl of percentage of grafting 5%～20% and the graft copolymers of maleic anhydride;
Ratio is 0.5～0.8 part of the two diphosphites of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester/pair (2, the 4-di-tert-butyl-phenyl) tetramethylolmethane of 1: 1.
Above raw material is all existing material, is commercially available.
The name of product of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester is an antioxidant 1010, below the physical and chemical performance: outward appearance: white powder, molecular weight 1178, fusing point 110-125 ℃, solvability: be dissolved in benzene, acetone, chloroform equal solvent.Water insoluble, heat resistanceheat resistant water extraction ability excellence, this product is nontoxic substantially.Performance: volatility is little, and anti-extractable is good, and thermally-stabilised height does not pollute not painted.
The name of product of the two diphosphites of two (2, the 4-di-tert-butyl-phenyl) tetramethylolmethane is an oxidation inhibitor 626, outward appearance: white powder, fugitive constituent≤0.5%, acid number≤1.0mgKOH/g, free 2.4 phenol≤1.0%, fusing point 160-175 ℃.This product is water insoluble, dissolves in alcohol, and Heat stability is good does not pollute.
The process for preparation of composition of the present invention is as follows: with polycarbonate under 110～130 ℃, be preferably 120 ℃ of bakings 3～5 hours, be preferably 4 hours, ABS is under 70～90 ℃, be preferably 80 ℃ and toasted 3～5 hours down, be preferably 4 hours, the graft copolymer of divinyl and maleic anhydride is under 50～70 ℃, be preferably 60 ℃ and toasted 1～3 hour down, be preferably 2 hours.Then all material are dropped into high-speed mixer and mix, granulation then, prilling temperature is at 230～250 ℃.
Embodiment 1
The weight part of the composition of the polycarbonate of present embodiment/ABS composition is:
Molecular weight 20,000～200,30 parts of 000 polycarbonate;
60 parts of the ABS of rubber content 20%～40%;
9.8 parts of the divinyl of percentage of grafting 5%～20% and the graft copolymers of maleic anhydride;
Ratio is 0.2 part of the two diphosphites of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester/pair (2, the 4-di-tert-butyl-phenyl) tetramethylolmethane of 1: 1.
Embodiment 2
The weight part of the composition of the polycarbonate of present embodiment/ABS composition is:
Molecular weight 20,000～200,27 parts of 000 polycarbonate;
58 parts of the ABS of rubber content 20%～40%;
14 parts of the divinyl of percentage of grafting 5%～20% and the graft copolymers of maleic anhydride;
Ratio is 1 part of the two diphosphites of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester/pair (2, the 4-di-tert-butyl-phenyl) tetramethylolmethane of 1: 1.
Embodiment 3
The weight part of the composition of the polycarbonate of present embodiment/ABS composition is:
Molecular weight 20,000～200,35 parts of 000 polycarbonate;
54 parts of the ABS of rubber content 20%～40%;
10.3 parts of the divinyl of percentage of grafting 5%～20% and the graft copolymers of maleic anhydride;
Ratio is 0.7 part of the two diphosphites of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester/pair (2, the 4-di-tert-butyl-phenyl) tetramethylolmethane of 1: 1.
Embodiment 4
The weight part of the composition of the polycarbonate of present embodiment/ABS composition is:
Molecular weight 20,000～200,40 parts of 000 polycarbonate;
52 parts of the ABS of rubber content 20%～40%;
8 parts of the divinyl of percentage of grafting 5%～20% and the graft copolymers of maleic anhydride;
Ratio is 0.8 part of the two diphosphites of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester/pair (2, the 4-di-tert-butyl-phenyl) tetramethylolmethane of 1: 1.
Embodiment 5
The weight part of the composition of the polycarbonate of present embodiment/ABS composition is:
Molecular weight 20,000～200,45 parts of 000 polycarbonate;
50 parts of the ABS of rubber content 20%～40%;
4.1 parts of the divinyl of percentage of grafting 5%～20% and the graft copolymers of maleic anhydride;
Ratio is 0.9 part of the two diphosphites of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester/pair (2, the 4-di-tert-butyl-phenyl) tetramethylolmethane of 1: 1.
Embodiment 6
The weight part of the composition of the polycarbonate of present embodiment/ABS composition is:
Molecular weight 20,000～200,47 parts of 000 polycarbonate;
50 parts of the ABS of rubber content 20%～40%;
3 parts of the divinyl of percentage of grafting 5%～20% and the graft copolymers of maleic anhydride;
Ratio is 0.1 part of the two diphosphites of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester/pair (2, the 4-di-tert-butyl-phenyl) tetramethylolmethane of 1: 1.
Performance of the present invention is as follows:
| Project | Tensile strength (MPa) | Shock strength (KJ/M2) |
| Embodiment 1 | 50.50 | 39.8 |
| Embodiment 2 | 50.02 | 40.36 |
| Embodiment 3 | 52.81 | 42.37 |
| Embodiment 4 | 55.69 | 46.12 |
| Embodiment 5 | 58.16 | 41.65 |
| Embodiment 6 | 50.38 | 40.05 |
Can find out that from above form the present invention has increased the interface compatibility of polycarbonate, ABS, has increased the mechanical property, particularly impact property of composition, thereby can be widely used in the various plastic cement finished product of moulding.
Although the present invention describes with reference to specific embodiment, this description and not meaning that is construed as limiting the present invention.With reference to description of the invention, other of the disclosed embodiments change, and all can expect for those skilled in the art.Therefore, such variation can not break away from affiliated claim restricted portion and spirit.
Claims (8)
1. polycarbonate/ABS composition is characterized in that the weight part of composition is:
Molecular weight 20,000～200,20～50 parts of 000 polycarbonate;
40～60 parts of the ABS of rubber content 20%～40%;
3～15 parts of the divinyl of percentage of grafting 5%～20% and the graft copolymers of maleic anhydride;
Ratio is 0.1～1 part of the two diphosphites of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester/pair (2, the 4-di-tert-butyl-phenyl) tetramethylolmethane of 1: 1.
2. polycarbonate according to claim 1/ABS composition is characterized in that, the weight part of composition is:
Molecular weight 20,000～200,30～40 parts of 000 polycarbonate;
50～55 parts of the ABS of rubber content 20%～40%;
8～12 parts of the divinyl of percentage of grafting 5%～20% and the graft copolymers of maleic anhydride;
Ratio is 0.5～0.8 part of the two diphosphites of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester/pair (2, the 4-di-tert-butyl-phenyl) tetramethylolmethane of 1: 1.
3. polycarbonate according to claim 1/ABS composition is characterized in that, the weight part of composition is:
Molecular weight 20,000～200,30 parts of 000 polycarbonate;
60 parts of the ABS of rubber content 20%～40%;
9.8 parts of the divinyl of percentage of grafting 5%～20% and the graft copolymers of maleic anhydride;
Ratio is 0.2 part of the two diphosphites of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester/pair (2, the 4-di-tert-butyl-phenyl) tetramethylolmethane of 1: 1.
4. polycarbonate according to claim 1/ABS composition is characterized in that, the weight part of composition is:
Molecular weight 20,000～200,27 parts of 000 polycarbonate;
58 parts of the ABS of rubber content 20%～40%;
14 parts of the divinyl of percentage of grafting 5%～20% and the graft copolymers of maleic anhydride;
Ratio is 1 part of the two diphosphites of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester/pair (2, the 4-di-tert-butyl-phenyl) tetramethylolmethane of 1: 1.
5. polycarbonate according to claim 1/ABS composition is characterized in that, the weight part of composition is:
Molecular weight 20,000～200,35 parts of 000 polycarbonate;
54 parts of the ABS of rubber content 20%～40%;
10.3 parts of the divinyl of percentage of grafting 5%～20% and the graft copolymers of maleic anhydride;
Ratio is 0.7 part of the two diphosphites of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester/pair (2, the 4-di-tert-butyl-phenyl) tetramethylolmethane of 1: 1.
6. polycarbonate according to claim 1/ABS composition is characterized in that, the weight part of composition is:
Molecular weight 20,000～200,40 parts of 000 polycarbonate;
52 parts of the ABS of rubber content 20%～40%;
8 parts of the divinyl of percentage of grafting 5%～20% and the graft copolymers of maleic anhydride;
Ratio is 0.8 part of the two diphosphites of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester/pair (2, the 4-di-tert-butyl-phenyl) tetramethylolmethane of 1: 1.
7. polycarbonate according to claim 1/ABS composition is characterized in that, the weight part of composition is:
Molecular weight 20,000～200,45 parts of 000 polycarbonate;
50 parts of the ABS of rubber content 20%～40%;
4.1 parts of the divinyl of percentage of grafting 5%～20% and the graft copolymers of maleic anhydride;
Ratio is 0.9 part of the two diphosphites of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester/pair (2, the 4-di-tert-butyl-phenyl) tetramethylolmethane of 1: 1.
8. polycarbonate according to claim 1/ABS composition is characterized in that, the weight part of composition is:
Molecular weight 20,000～200,47 parts of 000 polycarbonate;
50 parts of the ABS of rubber content 20%～40%;
3 parts of the divinyl of percentage of grafting 5%～20% and the graft copolymers of maleic anhydride;
Ratio is 0.1 part of the two diphosphites of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester/pair (2, the 4-di-tert-butyl-phenyl) tetramethylolmethane of 1: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100358192A CN100475904C (en) | 2005-07-11 | 2005-07-11 | Polycarbonate/ABS composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100358192A CN100475904C (en) | 2005-07-11 | 2005-07-11 | Polycarbonate/ABS composition |
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| Publication Number | Publication Date |
|---|---|
| CN1896139A CN1896139A (en) | 2007-01-17 |
| CN100475904C true CN100475904C (en) | 2009-04-08 |
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|---|---|---|---|
| CNB2005100358192A Expired - Fee Related CN100475904C (en) | 2005-07-11 | 2005-07-11 | Polycarbonate/ABS composition |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305512C (en) * | 2004-04-30 | 2007-03-21 | 北京荣昌药物研究院有限公司 | Traditional Chinese medicine compound recipe for treating hyperplasia of mammary glands and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305512C (en) * | 2004-04-30 | 2007-03-21 | 北京荣昌药物研究院有限公司 | Traditional Chinese medicine compound recipe for treating hyperplasia of mammary glands and preparation method thereof |
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| CN1896139A (en) | 2007-01-17 |
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Granted publication date: 20090408 Termination date: 20110711 |