CN103525051A - High-strength and high-toughness PC/PBT (polycarbonate/polybutylece terephthalate) alloy material as well as preparation method and application thereof - Google Patents
High-strength and high-toughness PC/PBT (polycarbonate/polybutylece terephthalate) alloy material as well as preparation method and application thereof Download PDFInfo
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Abstract
The invention discloses a high-strength and high-toughness PC/PBT alloy material which is prepared by a previous formula of an antioxidant 1, an antioxidant 2, an antioxidant 3, SDP (sodium dihydrogen phosphate), an ultraviolet light absorber, a toughening agent, PBT and PC. The provided high-strength and high-toughness PC/PBT alloy material has the advantages of high performance, high strength, wear resistance, low possibility of deformation, high toughness, aging resistance, a stable property and the like and is particularly applicable to manufacture of a high-speed train, a saloon car, a light truck part, a sports apparatus and a medical instrument.
Description
technical field
The present invention relates to technical field of polymer materials, relate in particular to PC/PBT alloy material, be specifically related to a kind of high-strength toughness reinforcing PC/PBT alloy material and its preparation method and application.
Background technology
Polycarbonate (PC) is the engineering plastics that a kind of over-all properties is superior, also be the fastest general engineering plastic of growth in recent years, there is excellent impelling strength, dimensional stability, electric insulating quality, creep resistant, weathering resistance, the advantages such as the transparency and nontoxicity, be widely used at present automobile, electric, building, office equipment, packing, sports equipment, the fields such as health care, along with deepening continuously of study on the modification, be extended to just rapidly aerospace, computer, the high-tech areas such as CD, but also there are some shortcomings in it, as poor in processing fluidity, be easy to stress cracking, to breach, more responsive and wear resistance is good enough etc.
Polybutylene terephthalate (PBT) is the linear saturated polyester resin of a kind of crystal type.Its crystallization velocity is fast, can high-speed molding; Weathering resistance, electrical property, flame retardant properties, chemical proofing, friction wear excellent, water-absorbent is low, heat-drawn wire is high; Mechanical property is good, and physical strength is high, resistance to fatigue and good stability of the dimension, and creep is also less, these performances also changes little under hot conditions.
PC, PBT is important engineering plastics, the alloy that both mix can be brought into play the strong point of PC and PBT resin, suppresses shortcoming.But the mechanical property of PC/PBT is generally not high, has limited its range of application.
Summary of the invention
The PC/PBT alloy material that the object of this invention is to provide a kind of high-strong toughness for the deficiencies in the prior art.
Another object of the present invention be to provide a kind of can large-scale promotion, improve the preparation method of above-mentioned PC/PBT alloy material performance.
Another object of the present invention is to provide a kind of above-mentioned high application that strengthens tough PC/PBT alloy material.
First object of the present invention realizes in the following manner:
A toughness reinforcing PC/PBT alloy material, the mixture that its raw material is comprised of each component of following weight part:
Antioxidant 1 0.1-0.5 part;
Antioxidant 2 0.1-0.5 parts;
Antioxidant 3 0.1-0.5 parts;
SDP 0.1-0.5 part;
UV light absorber UV234 0.3-0.6 part;
Toughner 15-20 part;
PBT 20-25 part;
PC 53-65 part;
Described antioxidant 1 is antioxidant 1010, and antioxidant 2 is antioxidant 168, and antioxidant 3 is antioxidant TH-412S; Described SDP is AMSP; Described toughner is the ROHM AND HAAS EXL-2620 that Dow Chemical produces, and PBT is polybutylene terephthalate, and PC is polycarbonate.
In above-mentioned materials, antioxidant 1010, antioxidant 168 and TH-412S are commercially available prod, all have the effect that strengthens product antioxidant property, and three is acting in conjunction in the present invention, can effectively delay the aging, damaged of product of the present invention.
In above-mentioned materials, UV light absorber UV234 can select any commercially available prod, is a kind of efficient protective agent, can absorb UV-light, has that look shallow is, nontoxic, consistency is good, transport property is little, be easy to the features such as processing.UV234 in the present invention helps reduce the color and luster of described high-strength toughness reinforcing PC/PBT alloy material, delays physicals loss simultaneously.With above-mentioned irgasfos 168,1098 and antioxidant TH-412S synergy, can significantly promote the ageing-resistant performance of PC/PBT alloy material of the present invention, extend product work-ing life.
In above-mentioned materials, anhydrous phosphoric acid SDP is commercially available prod, and it has grafting effect and falls molten finger effect, strengthens the toughness of PC/PBT alloy material.
In above-mentioned materials, toughner ROHM AND HAAS EXL-2620 toughner is commercially available prod, can effectively increase the shock resistance of material.While using EXL-2620 separately, the breach resistance to impact shock of PC/PBT alloy material can be promoted to 700J/M-780J/M.And designer finds under study for action, with formula of the present invention, add above-mentioned EXL-2620, PC, PBT and various auxiliary agent, the highest 908J/M of being promoted to of breach resistance to impact shock of the PC/PBT alloy material finally making, performance has the shock resistance that is better than currently available products.Especially will time be pointed out that owing to comprising divinyl in EXL-2620, if add the product of EXL-2620, be applied to open air easily because divinyl is escaped, volatilization was lost efficacy.But each analog assistant and consumption thereof in designer of the present invention fills a prescription by optimizing materials, can make EXL-2620 stable effective ingredients be incorporated in PC/PBT alloy material of the present invention, also can be long-acting thereby make it to be applied in outdoor field, play consistently excellent performance.This effect is not yet known in the industry.
In above-mentioned materials, PBT can select commercially available prod arbitrarily to implement, and PC can select commercially available prod arbitrarily to implement.
The preparation method of above-mentioned a kind of high-strength toughness reinforcing PC/PBT alloy material, it specifically comprises the steps:
According to above-mentioned ratio, antioxidant 1, antioxidant 2, antioxidant 3, SDP, UV light absorber, toughner, PBT, PC are packed into after being repeatedly uniformly mixed in stirrer and sent in twin screw extruder; melting mixing at the temperature of 250-300 ℃; gained melt is extruded by tank cooling by duplex forcing machine; introduce dicing machine and carry out pelletizing operation, gained pellet is described high-strength toughness reinforcing PC/PBT alloy material.
Described stirring repeatedly refers to stirs three times repeatedly, and each churning time is 30-50 minute.
The rotating speed of described stirrer is 650-1300 rev/min.
Contriver finds after summing up experience in practice, thereby the rotating speed of raising stirrer can make each feed composition mix, more fully obtains homogeneous effect.For some auxiliary agent, stirring velocity is crossed and is difficult for slowly mixing, and too high mixing speed easily causes the cracking of himself structure.The rotating speed of above-mentioned stirrer is the physical property of inventor's various feed composition according to the present invention and preferred, within the scope of this, can guarantee that each component of raw material can mix, and can effectively prevent raw material generation cracking again and loses efficacy.Described stirring repeatedly refers to and so just can in the situation that not increasing rotating speed, further promote the mixing of each feed composition by the mixing direction that alternately changes stirrer.
The too low melting mixing that easily causes of temperature is not thorough, smelting temperature of the present invention is selected according to the character of all kinds of raw materials, in this temperature range, all kinds of raw materials are all fusible is thoroughly able to abundant mixing, and is difficult for affecting because of excess Temperature cracking or variable color the outward appearance of the finished product.Raw material only obtains abundant mixing combination, could act synergistically and obtain high-quality performance required for the present invention.
Further, the rotating speed of described duplex forcing machine is 300-500 rev/min.
Further, described melt is extruded when cooling by tank by duplex forcing machine, and tank temperature used is 50-70 ℃.
Due to the different in kind of product, also each is inconsistent for its coolant water temperature.In general, the space that the water temperature in rising tank can be reduced between pellet makes it not easily broken, but too high water temperature will cause pellet bonding, affect product quality and outward appearance.Therefore in the present invention, contriver designs above-mentioned tank water temperature range according to the character of the rotating speed of duplex forcing machine, melt, and moderate, the difficult bonding in product pellet of the present invention gap of producing in this temperature range, has good processing characteristics.
Further, the rotating speed of described dicing machine is 300-900 rev/min.
Inventor finds in practice and research; the too high meeting of dicing machine rotating speed make pellet volume too small and in follow-up tie rod operation easily fracture; dicing machine rotating speed is crossed when slow and can be made pellet loose, affects final pellet and also can strengthen the difficulty of processing in pellet application time attractive in appearance.And the pellet of each composition all has its suitable pellet size, for the present invention, the rotating speed of the dicing machine of 300-900 rev/min can farthest promote outward appearance and the processing characteristics of product of the present invention.
Every test to product shows, a kind of high-strength toughness reinforcing PC/PBT alloy material provided by the present invention has the advantages such as high-performance, high strength, wear-resisting, not yielding, high tenacity, ageing-resistant, stable in properties, is particularly useful for the application in manufacturing of bullet train, car, light truck component, sports equipment, medicine equipment.
Compared with prior art, the present invention has following beneficial effect:
1, the present invention is optimized by kind and the consumption thereof of the auxiliary agent in composition of raw materials, obtain a kind of high-strength toughness reinforcing PC/PBT alloy material, its tensile strength can reach 63Mpa, flexural strength can reach 95Mpa, and unit elongation can reach 90%, and bending modulus can reach 2120Mpa, notched Izod impact strength can reach 908 J/m in the time of 23 ℃, indices is obviously better than like product, can be fed into widely in car, the manufacture of light truck component, promotes the lifting of quality product.
2. the present invention is optimized the consumption of EXL-2620, introduce other suitable auxiliary agents simultaneously, EXL-2620 can be stably present in described high-strength toughness reinforcing PC/PBT alloy material and not lose efficacy, break through the applied environment restriction of EXL-2620, make high-strength toughness reinforcing PC/PBT alloy material of the present invention can be applied to outdoor field for a long time, on a large scale.
3. the preparation method of high-strength toughness reinforcing PC/PBT alloy material of the present invention; be that feature according to each feed composition obtains process parameter optimizings such as stirrer rotating speed, smelting temperature, tank water temperature, dicing machine rotating speeds, guarantee that prepared high-strength toughness reinforcing PC/PBT alloy material product can realize the technique effect that the present invention pursues.
Embodiment
Be convenient to it will be appreciated by those skilled in the art that below in conjunction with comparative example and embodiment the present invention be described in further detail:
Embodiment 1
The present embodiment provides a kind of high-strength toughness reinforcing PC/PBT alloy material, and its composition of raw materials is comprised of the each component of following weight part:
1 0.4 parts of antioxidants;
2 0.5 parts of antioxidants;
3 0.2 parts of antioxidants;
0.3 part of SDP;
0.5 part of UV light absorber UV234;
18 parts of toughner;
22 parts of PBT;
62 parts of PC;
Described antioxidant 1 is antioxidant 1010, and antioxidant 2 is antioxidant 168, and antioxidant 3 is antioxidant TH-412S; Described SDP is AMSP; Described toughner is the ROHM AND HAAS EXL-2620 that Dow Chemical produces, and PBT is polybutylene terephthalate, and PC is polycarbonate.
A preparation method for high-strength toughness reinforcing PC/PBT alloy material, it specifically comprises the steps:
According to above-mentioned ratio, antioxidant 1, antioxidant 2, antioxidant 3, SDP, UV light absorber, toughner, PBT, PC are packed into after being repeatedly uniformly mixed in stirrer and sent in twin screw extruder; melting mixing at the temperature of 267 ℃; gained melt is extruded by tank cooling by duplex forcing machine; introduce dicing machine and carry out pelletizing operation, gained pellet is described high-strength toughness reinforcing PC/PBT alloy material.
Above-mentioned antioxidant 1010, antioxidant 168, antioxidant 412S, anhydrous phosphoric acid SDP, UV light absorber UV234,2620 toughner, PBT, PC are commercially available prod.
Above-mentioned stirring repeatedly refers to stirs three times repeatedly, and each churning time is 40 minutes.
The rotating speed of above-mentioned stirrer is 680 revs/min.
The rotating speed of above-mentioned duplex forcing machine is 400 revs/min.
Above-mentioned melt is extruded when cooling by tank by duplex forcing machine, and tank temperature used is 65 ℃.
The rotating speed of above-mentioned dicing machine is 650 revs/min.
Adopt ASTM international standard to carry out its result of performance test to it product of the present embodiment as shown in table 1:
The performance test results of table 1 embodiment 1
| Character | Method | Unit | Data |
| Proportion | ASTM D792 | — | 1.12 |
| Mould shrinks | ASTM D955 | % | 0.4-0.6 |
| Tensile strength | ASTM D638 | Mpa | 63 |
| Flexural strength | ASTM D790 | Mpa | 95 |
| Unit elongation | ?ASTM D638 | % | 90 |
| Bending modulus | ASTM D790 | Mpa | 2120 |
| Notched Izod impact strength (1/8 ") | ASTM D256 | J/m | 908 |
| Heat-drawn wire | ASTM D648 | ℃ | 100 |
| Flame resistivity | UL94 | (1/8") | HB |
| Drying temperature | — | ℃ | 90 |
| Anti-UV intensity | Ultraviolet lamp box is processed 72 hours | Level | 4 |
| Ageing-resistant performance | Xenon lamp aging case is processed 300 hours | Gray level | 5 |
| Time of drying | — | HR | 4 |
| Melt temperature | — | ℃ | 250-300 |
| Suggestion mould temperature | — | ℃ | 80 |
As seen from the above table, a kind of high-strength toughness reinforcing PC/PBT alloy material that the present embodiment provides has the advantages such as high-performance, high strength, wear-resisting, not yielding, high tenacity, ageing-resistant, stable in properties, is particularly useful for the application in manufacturing of bullet train, car, light truck component, sports equipment, medicine equipment.
Embodiment 2
The present embodiment provides a kind of high-strength toughness reinforcing PC/PBT alloy material, and its composition of raw materials is comprised of the each component of following weight part:
0.3 part of antioxidant 1010;
168 0.4 parts of antioxidants;
0.4 part of antioxidant 412S;
0.2 part of SDP;
0.3 part of UV light absorber UV234;
1 20 parts of toughner;
2 24 parts of toughner;
3 57 parts of toughner;
Described SDP is anhydrous phosphoric acid, and toughner 1 is ROHM AND HAAS EXL-2620 toughner, and toughner 2 is PBT(polybutylene terephthalate), toughner 3 is PC(polycarbonate);
A preparation method for high-strength toughness reinforcing PC/PBT alloy material, it specifically comprises the steps:
Above-mentioned ratio packs antioxidant 1010, antioxidant 168, antioxidant 412S, anhydrous phosphoric acid SDP, UV light absorber UV234, toughner 1, toughner 2, toughner 3 after being repeatedly uniformly mixed in stirrer into and sends in twin screw extruder; melting mixing at the temperature of 250 ℃; gained melt is extruded by tank cooling by duplex forcing machine; introduce dicing machine and carry out pelletizing operation, gained pellet is described high-strength toughness reinforcing PC/PBT alloy material.
Above-mentioned antioxidant 1010, antioxidant 168, antioxidant 412S, anhydrous phosphoric acid SDP, UV light absorber UV234,2620 toughner, PBT, PC are commercially available prod.
Above-mentioned stirring repeatedly refers to stirs three times repeatedly, and each churning time is 50 minutes.
The rotating speed of above-mentioned stirrer is 650 revs/min.
The rotating speed of above-mentioned duplex forcing machine is 600 revs/min.
Above-mentioned melt is extruded when cooling by tank by duplex forcing machine, and tank temperature used is 70 ℃.
The rotating speed of above-mentioned dicing machine is 650 revs/min.
Adopt ASTM international standard to carry out its result of performance test to it product of the present embodiment as shown in table 2:
The performance test results of table 2 embodiment 2
| Character | Method | Unit | Data |
| Proportion | ASTM D792 | — | 1.12 |
| Mould shrinks | ASTM D955 | % | 0.4-0.6 |
| Tensile strength | ASTM D638 | Mpa | 60 |
| Flexural strength | ASTM D790 | Mpa | 91.4 |
| Unit elongation | ?ASTM D638 | % | 90 |
| Bending modulus | ASTM D790 | Mpa | 2113 |
| Notched Izod impact strength (1/8 ") | ASTM D256 | J/m | 901 |
| Heat-drawn wire | ASTM D648 | ℃ | 100 |
| Flame resistivity | UL94 | (1/8") | HB |
| Drying temperature | — | ℃ | 90 |
| Anti-UV intensity | Ultraviolet lamp box is processed 72 hours | Level | 4 |
| Ageing-resistant performance | Xenon lamp aging case is processed 300 hours | Gray level | 5 |
| Time of drying | — | HR | 4 |
| Melt temperature | — | ℃ | 250-300 |
| Suggestion mould temperature | — | ℃ | 80 |
As seen from the above table, a kind of high-strength toughness reinforcing PC/PBT alloy material that the present embodiment provides has the advantages such as high-performance, high strength, wear-resisting, not yielding, high tenacity, ageing-resistant, stable in properties, is particularly useful for the application in manufacturing of bullet train, car, light truck component, sports equipment, medicine equipment.
Embodiment 3
The present embodiment provides a kind of high-strength toughness reinforcing PC/PBT alloy material, and its composition of raw materials is comprised of the each component of following weight part:
1 0.1 parts of antioxidants;
2 0.2 parts of antioxidants;
3 0.3 parts of antioxidants;
0.4 part of SDP;
0.4 part of UV light absorber UV234;
15 parts of toughner;
20 parts of PBT;
53 parts of PC;
Described antioxidant 1 is antioxidant 1010, and antioxidant 2 is antioxidant 168, and antioxidant 3 is antioxidant TH-412S; Described SDP is AMSP; Described toughner is the ROHM AND HAAS EXL-2620 that Dow Chemical produces, and PBT is polybutylene terephthalate, and PC is polycarbonate.
A preparation method for high-strength toughness reinforcing PC/PBT alloy material, it specifically comprises the steps:
According to above-mentioned ratio, antioxidant 1, antioxidant 2, antioxidant 3, SDP, UV light absorber, toughner, PBT, PC are packed into after being repeatedly uniformly mixed in stirrer and sent in twin screw extruder; melting mixing at the temperature of 250 ℃; gained melt is extruded by tank cooling by duplex forcing machine; introduce dicing machine and carry out pelletizing operation, gained pellet is described high-strength toughness reinforcing PC/PBT alloy material.
Above-mentioned antioxidant 1010, antioxidant 168, antioxidant 412S, anhydrous phosphoric acid SDP, UV light absorber UV234,2620 toughner, PBT, PC are commercially available prod.
Above-mentioned stirring repeatedly refers to stirs three times repeatedly, and each churning time is 30 minutes.
The rotating speed of above-mentioned stirrer is 1000 revs/min.
The rotating speed of above-mentioned duplex forcing machine is 600 revs/min.
Above-mentioned melt is extruded when cooling by tank by duplex forcing machine, and tank temperature used is 65 ℃.
The rotating speed of above-mentioned dicing machine is 650 revs/min.
Adopt ASTM international standard to carry out its result of performance test to it product of the present embodiment as shown in table 3:
The performance test results of table 3 embodiment 3
| Character | Method | Unit | Data |
| Proportion | ASTM D792 | — | 1.12 |
| Mould shrinks | ASTM D955 | % | 0.4-0.6 |
| Tensile strength | ASTM D638 | Mpa | 61.5 |
| Flexural strength | ASTM D790 | Mpa | 92 |
| Unit elongation | ?ASTM D638 | % | 90 |
| Bending modulus | ASTM D790 | Mpa | 2117 |
| Notched Izod impact strength (1/8 ") | ASTM D256 | J/m | 904 |
| Heat-drawn wire | ASTM D648 | ℃ | 100 |
| Flame resistivity | UL94 | (1/8") | HB |
| Drying temperature | — | ℃ | 90 |
| Anti-UV intensity | Ultraviolet lamp box is processed 72 hours | Level | 4 |
| Ageing-resistant performance | Xenon lamp aging case is processed 300 hours | Gray level | 5 |
| Time of drying | — | HR | 4 |
| Melt temperature | — | ℃ | 250-300 |
| Suggestion mould temperature | — | ℃ | 80 |
As seen from the above table, a kind of high-strength toughness reinforcing PC/PBT alloy material that the present embodiment provides has the advantages such as high-performance, high strength, wear-resisting, not yielding, high tenacity, ageing-resistant, stable in properties, is particularly useful for the application in manufacturing of bullet train, car, light truck component, sports equipment, medicine equipment.
Embodiment 4
The present embodiment provides a kind of high-strength toughness reinforcing PC/PBT alloy material, and its composition of raw materials is comprised of the each component of following weight part:
1 0.2 parts of antioxidants;
2 0.1 parts of antioxidants;
3 0.1 parts of antioxidants;
0.5 part of SDP;
0.6 part of UV light absorber UV234;
16 parts of toughner;
22 parts of PBT;
60 parts of PC;
Described antioxidant 1 is antioxidant 1010, and antioxidant 2 is antioxidant 168, and antioxidant 3 is antioxidant TH-412S; Described SDP is AMSP; Described toughner is the ROHM AND HAAS EXL-2620 that Dow Chemical produces, and PBT is polybutylene terephthalate, and PC is polycarbonate.
A preparation method for high-strength toughness reinforcing PC/PBT alloy material, it specifically comprises the steps:
According to above-mentioned ratio, antioxidant 1, antioxidant 2, antioxidant 3, SDP, UV light absorber, toughner, PBT, PC are packed into after being repeatedly uniformly mixed in stirrer and sent in twin screw extruder; melting mixing at the temperature of 300 ℃; gained melt is extruded by tank cooling by duplex forcing machine; introduce dicing machine and carry out pelletizing operation, gained pellet is described high-strength toughness reinforcing PC/PBT alloy material.
Above-mentioned antioxidant 1010, antioxidant 168, antioxidant 412S, anhydrous phosphoric acid SDP, UV light absorber UV234,2620 toughner, PBT, PC are commercially available prod.
Above-mentioned stirring repeatedly refers to stirs three times repeatedly, and each churning time is 30 minutes.
The rotating speed of above-mentioned stirrer is 1000 revs/min.
The rotating speed of above-mentioned duplex forcing machine is 600 revs/min.
Above-mentioned melt is extruded when cooling by tank by duplex forcing machine, and tank temperature used is 65 ℃.
The rotating speed of above-mentioned dicing machine is 650 revs/min.
Adopt ASTM international standard to carry out its result of performance test to it product of the present embodiment as shown in table 4:
The performance test results of table 4 embodiment 4
| Character | Method | Unit | Data |
| Proportion | ASTM D792 | — | 1.12 |
| Mould shrinks | ASTM D955 | % | 0.4-0.6 |
| Tensile strength | ASTM D638 | Mpa | 59.7 |
| Flexural strength | ASTM D790 | Mpa | 93 |
| Unit elongation | ?ASTM D638 | % | 90 |
| Bending modulus | ASTM D790 | Mpa | 2109 |
| Notched Izod impact strength (1/8 ") | ASTM D256 | J/m | 906 |
| Heat-drawn wire | ASTM D648 | ℃ | 100 |
| Flame resistivity | UL94 | (1/8") | HB |
| Drying temperature | — | ℃ | 90 |
| Anti-UV intensity | Ultraviolet lamp box is processed 72 hours | Level | 4 |
| Ageing-resistant performance | Xenon lamp aging case is processed 300 hours | Gray level | 5 |
| Time of drying | — | HR | 4 |
| Melt temperature | — | ℃ | 250-300 |
| Suggestion mould temperature | — | ℃ | 80 |
As seen from the above table, a kind of high-strength toughness reinforcing PC/PBT alloy material that the present embodiment provides has the performance of good wear-resisting, not yielding, good toughness.Meanwhile, a kind of high-strength toughness reinforcing PC/PBT alloy material of the present embodiment also shows outstanding ageing resistance, is particularly useful for the technical field of polymer materials such as electronic unit, set lights, optics, automobile construction, mechanical industry.
Embodiment 5
The present embodiment provides a kind of high-strength toughness reinforcing PC/PBT alloy material, and its composition of raw materials is comprised of the each component of following weight part:
1 0.5 parts of antioxidants;
2 0.3 parts of antioxidants;
3 0.5 parts of antioxidants;
0.1 part of SDP;
0.3 part of UV light absorber UV234;
19 parts of toughner;
25 parts of PBT;
65 parts of PC;
Described antioxidant 1 is antioxidant 1010, and antioxidant 2 is antioxidant 168, and antioxidant 3 is antioxidant TH-412S; Described SDP is AMSP; Described toughner is the ROHM AND HAAS EXL-2620 that Dow Chemical produces, and PBT is polybutylene terephthalate, and PC is polycarbonate.
A preparation method for high-strength toughness reinforcing PC/PBT alloy material, it specifically comprises the steps:
According to above-mentioned ratio, antioxidant 1, antioxidant 2, antioxidant 3, SDP, UV light absorber, toughner, PBT, PC are packed into after being repeatedly uniformly mixed in stirrer and sent in twin screw extruder; melting mixing at the temperature of 277 ℃; gained melt is extruded by tank cooling by duplex forcing machine; introduce dicing machine and carry out pelletizing operation, gained pellet is described high-strength toughness reinforcing PC/PBT alloy material.
Above-mentioned antioxidant 1010, antioxidant 168, antioxidant 412S, anhydrous phosphoric acid SDP, UV light absorber UV234,2620 toughner, PBT, PC are commercially available prod.
Above-mentioned stirring repeatedly refers to stirs three times repeatedly, and each churning time is 50 minutes.
The rotating speed of above-mentioned stirrer is 650 revs/min.
The rotating speed of above-mentioned duplex forcing machine is 600 revs/min.
Above-mentioned melt is extruded when cooling by tank by duplex forcing machine, and tank temperature used is 70 ℃.
The rotating speed of above-mentioned dicing machine is 650 revs/min.
Adopt ASTM international standard to carry out its result of performance test to it product of the present embodiment as shown in table 5:
The performance test results of table 5 embodiment 5
| Character | Method | Unit | Data |
| Proportion | ASTM D792 | — | 1.12 |
| Mould shrinks | ASTM D955 | % | 0.4-0.6 |
| Tensile strength | ASTM D638 | Mpa | 62 |
| Flexural strength | ASTM D790 | Mpa | 93.5 |
| Unit elongation | ?ASTM D638 | % | 90 |
| Bending modulus | ASTM D790 | Mpa | 2118 |
| Notched Izod impact strength (1/8 ") | ASTM D256 | J/m | 906 |
| Heat-drawn wire | ASTM D648 | ℃ | 100 |
| Flame resistivity | UL94 | (1/8") | HB |
| Drying temperature | — | ℃ | 90 |
| Anti-UV intensity | Ultraviolet lamp box is processed 72 hours | Level | 4 |
| Ageing-resistant performance | Xenon lamp aging case is processed 300 hours | Gray level | 5 |
| Time of drying | — | HR | 4 |
| Melt temperature | — | ℃ | 250-300 |
| Suggestion mould temperature | — | ℃ | 80 |
As seen from the above table, a kind of high-strength toughness reinforcing PC/PBT alloy material that the present embodiment provides has the advantages such as high-performance, high strength, wear-resisting, not yielding, high tenacity, ageing-resistant, stable in properties, is particularly useful for the application in manufacturing of bullet train, car, light truck component, sports equipment, medicine equipment.
Embodiment 6
The present embodiment provides a kind of high-strength toughness reinforcing PC/PBT alloy material, and its composition of raw materials is comprised of the each component of following weight part:
1 0.5 parts of antioxidants;
2 0.5 parts of antioxidants;
3 0.5 parts of antioxidants;
0.4 part of SDP;
0.2 part of UV light absorber UV234;
15 parts of toughner;
20 parts of PBT;
53 parts of PC;
Described antioxidant 1 is antioxidant 1010, and antioxidant 2 is antioxidant 168, and antioxidant 3 is antioxidant TH-412S; Described SDP is AMSP; Described toughner is the ROHM AND HAAS EXL-2620 that Dow Chemical produces, and PBT is polybutylene terephthalate, and PC is polycarbonate.
A preparation method for high-strength toughness reinforcing PC/PBT alloy material, it specifically comprises the steps:
According to above-mentioned ratio, antioxidant 1, antioxidant 2, antioxidant 3, SDP, UV light absorber, toughner, PBT, PC are packed into after being repeatedly uniformly mixed in stirrer and sent in twin screw extruder; melting mixing at the temperature of 277 ℃; gained melt is extruded by tank cooling by duplex forcing machine; introduce dicing machine and carry out pelletizing operation, gained pellet is described high-strength toughness reinforcing PC/PBT alloy material.
Above-mentioned antioxidant 1010, antioxidant 168, antioxidant 412S, anhydrous phosphoric acid SDP, UV light absorber UV234,2620 toughner, PBT, PC are commercially available prod.
Above-mentioned stirring repeatedly refers to stirs three times repeatedly, and each churning time is 50 minutes.
The rotating speed of above-mentioned stirrer is 650 revs/min.
The rotating speed of above-mentioned duplex forcing machine is 600 revs/min.
Above-mentioned melt is extruded when cooling by tank by duplex forcing machine, and tank temperature used is 70 ℃.
The rotating speed of above-mentioned dicing machine is 650 revs/min.
Adopt ASTM international standard to carry out its result of performance test to it product of the present embodiment as shown in table 5:
The performance test results of table 6 embodiment 6
| Character | Method | Unit | Data |
| Proportion | ASTM D792 | — | 1.12 |
| Mould shrinks | ASTM D955 | % | 0.4-0.6 |
| Tensile strength | ASTM D638 | Mpa | 62 |
| Flexural strength | ASTM D790 | Mpa | 93.5 |
| Unit elongation | ?ASTM D638 | % | 90 |
| Bending modulus | ASTM D790 | Mpa | 2118 |
| Notched Izod impact strength (1/8 ") | ASTM D256 | J/m | 906 |
| Heat-drawn wire | ASTM D648 | ℃ | 100 |
| Flame resistivity | UL94 | (1/8") | HB |
| Drying temperature | — | ℃ | 90 |
| Anti-UV intensity | Ultraviolet lamp box is processed 72 hours | Level | 4 |
| Ageing-resistant performance | Xenon lamp aging case is processed 300 hours | Gray level | 5 |
| Time of drying | — | HR | 4 |
| Melt temperature | — | ℃ | 250-300 |
| Suggestion mould temperature | — | ℃ | 80 |
As seen from the above table, a kind of high-strength toughness reinforcing PC/PBT alloy material that the present embodiment provides has the advantages such as high-performance, high strength, wear-resisting, not yielding, high tenacity, ageing-resistant, stable in properties, is particularly useful for the application in manufacturing of bullet train, car, light truck component, sports equipment, medicine equipment.
Be more than wherein specific implementation of the present invention, it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these apparent replacement forms all belong to protection scope of the present invention.
Claims (8)
1. a high-strength toughness reinforcing PC/PBT alloy material, the mixture that its raw material is comprised of each component of following weight part:
Antioxidant 1 0.1-0.5 part;
Antioxidant 2 0.1-0.5 parts;
Antioxidant 3 0.1-0.5 parts;
SDP 0.1-0.5 part;
UV light absorber UV234 0.3-0.6 part;
Toughner 15-20 part;
PBT 20-25 part;
PC 53-65 part;
Described antioxidant 1 is antioxidant 1010, and antioxidant 2 is antioxidant 168, and antioxidant 3 is antioxidant TH-412S; Described SDP is AMSP; Described toughner is the ROHM AND HAAS EXL-2620 that Dow Chemical produces, and PBT is polybutylene terephthalate, and PC is polycarbonate.
2. a kind of preparation method of high-strength toughness reinforcing PC/PBT alloy material described in claim 1, is characterized in that this preparation method comprises the steps:
According to ratio claimed in claim 1, antioxidant 1, antioxidant 2, antioxidant 3, SDP, UV light absorber, toughner, PBT, PC are packed into after being repeatedly uniformly mixed in stirrer and sent in twin screw extruder; melting mixing at the temperature of 250-300 ℃; gained melt is extruded by tank cooling by duplex forcing machine; introduce dicing machine and carry out pelletizing operation, gained pellet is described high-strength toughness reinforcing PC/PBT alloy material.
3. the preparation method of a kind of high-strength toughness reinforcing PC/PBT alloy material according to claim 2, is characterized in that: described stirring repeatedly refers to stirs three times repeatedly, and each churning time is 30-50 minute.
4. the preparation method of a kind of high-strength toughness reinforcing PC/PBT alloy material according to claim 2, is characterized in that: the rotating speed of described stirrer is 650-1300 rev/min.
5. the preparation method of a kind of high-strength toughness reinforcing PC/PBT alloy material according to claim 2, is characterized in that: the rotating speed of described duplex forcing machine is 300-500 rev/min.
6. the preparation method of a kind of high-strength toughness reinforcing PC/PBT alloy material according to claim 2, is characterized in that: described melt is extruded when cooling by tank by duplex forcing machine, and tank temperature used is 50-70 ℃.
7. according to the preparation method of a kind of high-strength toughness reinforcing PC/PBT alloy material described in claim 2, it is characterized in that: the rotating speed of described dicing machine is 300-900 rev/min.
8. high-strength toughness reinforcing PC/PBT alloy material according to claim 1 is widely used in the application in bullet train, car, light truck component, sports equipment, medicine equipment manufacture.
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| CN106117991A (en) * | 2016-07-05 | 2016-11-16 | 吴桥县惠科塑胶材料有限公司 | High-gloss scraping-resistant weather-proof antibacterial polyester alloy resin |
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