CN109880352A - A kind of heat-resisting PA6/ABS composite material and preparation method of superelevation - Google Patents
A kind of heat-resisting PA6/ABS composite material and preparation method of superelevation Download PDFInfo
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- CN109880352A CN109880352A CN201910066939.0A CN201910066939A CN109880352A CN 109880352 A CN109880352 A CN 109880352A CN 201910066939 A CN201910066939 A CN 201910066939A CN 109880352 A CN109880352 A CN 109880352A
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Abstract
The invention discloses a kind of heat-resisting PA6/ABS composite materials of superelevation, it is characterized in that, it is composed of the following components by weight percentage: PA6 resin 30-80%, ABS resin 10-40%, graft modification heat-resistant agent 10-30%, antioxidant 0.2-1%, lubricant 0.2-1%, further, the preparation method of the material is disclosed.PA6/ABS composite material of the invention uses graft modification heat-resistant agent, improve the compatibility of heat-resistant agent and resin, prepared PA6/ABS composite material has excellent heat resistance, excellent mechanical performance, chemical solvent resistance energy and processing performance, the numerous areas being widely used in automobile, electric, instrument, communication, sports goods and articles for daily use, it has a extensive future, there is good market value.
Description
[technical field]
The present invention relates to polymeric material field more particularly to a kind of heat-resisting PA6/ABS composite material of superelevation and its preparations
Method.
[background technique]
Polyamide (PA) has excellent mechanical strength, wearability, self-lubrication and corrosion resistance, becomes most important work
One of engineering plastics.But there are water absorption rate height, dimensional stability, low temperature and dry states to impact low deficiency for it, greatly limit its
The application in certain fields.The excellent properties that there are PA6/ABS composite material many common materials to be unable to reach.PA/ABS alloy is
A kind of amorphous/semi-crystalline systems, the addition of PA improve the chemical resistance and fatigue durability of ABS.The addition of ABS improves
ABS and PA is blended the PA/ABS alloy obtained and has had both ABS's and PA by water imbibition, notch toughness and the dimensional stability of PA
Advantage, while obtaining unique advantage not available for the two and being concerned, as thermal stability is good, anti-chemical solvent is excellent,
Impact strength height, matte effect, sound absorption damping etc..
In high-load situations, this, the addition of ABS improves the heat distortion temperature of PA6 material to a certain extent, but improves
Limited extent, can't meet very well PA6/ABS composite material apply some high heat resistance require product, therefore the present invention
The heat distortion temperature of PA6/ABS composite material is improved by addition heat-resistant agent.Graft modification heat-resistant agent that the present invention selects and
ABS and PA6 has good compatibility performance, can increase substantially the heat distortion temperature of PA6/ABS composite material, and simultaneously also
The impact strength that PA6/ABS composite material can be improved has greatly expanded the application range of PA6/ABS composite material.
[summary of the invention]
The technical problem to be solved in the present invention is to provide a kind of heat-resisting PA6/ABS composite material and preparation methods of superelevation.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that, a kind of heat-resisting PA6/ABS composite wood of superelevation
Material, which is characterized in that composed of the following components by weight percentage:
Further, the PA6 resin is polycaprolactam, and viscosity range is 1.8-3.4dl/g.
Further, the ABS resin is acrylonitrile-butadiene-styrene copolymer, and melting means range is 25-
50g/10min (220 DEG C of test condition, 10kg).
Further, the graft modification heat-resistant agent the preparation method is as follows: under the conditions of 65r/min, 200 DEG C, will be resistance to
Thermit powder, maleic anhydride (MAH), cumyl peroxide (DCP) melt altogether according to certain ratio in torque rheometer mixer
It is taken out after mixed reaction a period of time, it is cooling, broken, remnants MAH and DCP in graft is removed using dissolution-precipitation method, is then existed
100 DEG C of dry 2h in vacuum oven obtain the graft modification heat-resistant agent.
Further, the heat-resistant agent is the one of a- methylstyrene copolymer and N-phenylmaleimide copolymer
Kind, it is preferential to select N-phenylmaleimide copolymer.
Further, the antioxidant is compounding for primary antioxidant and auxiliary antioxidant, and primary antioxidant is β-(3,5- bis- uncles
Butyl -4- hydroxy phenyl) propionic acid n-octadecyl alcohol ester, auxiliary antioxidant is phosphorous acid three (2,4- di-tert-butyl) ester；Lubrication
Agent is pentaerythritol stearate.
A kind of preparation method of the above-mentioned heat-resisting PA6/ABS composite material of superelevation, comprising the following steps:
Step 1: each component is successively weighed by above-mentioned weight percent, weighed PA6, ABS, modified grafting is heat-resisting
Agent, antioxidant and lubricant mix 5-10 minutes in a high speed mixer；
Step 2: obtaining the heat-resisting PA6/ABS composite wood of superelevation through cooling, pelletizing by double screw extruder melting extrusion
Material；Wherein, in step 2 double screw extruder temperature setting are as follows: 210-230 DEG C of an area；Two 220-245 DEG C of areas；Three area 220-
245℃；Four 220-245 DEG C of areas；Five 220-245 DEG C of areas, six 220-245 DEG C of areas, seven 220-245 DEG C of areas, eight 220-245 DEG C of areas,
220-245 DEG C of head temperature, extruder screw revolving speed is controlled in 250-350r/min；
Step 3: the heat-resisting PA6/ABS composite material of superelevation obtained is dry in the drying box that temperature is 80-110 DEG C
3-6 hours.
The invention has the advantages that:
PA6, ABS, graft modification heat-resistant agent, antioxidant and lubricant are blended the present invention, and it is resistance to that a kind of superelevation is prepared
Hot PA6/ABS composite material, the graft modification heat-resistant agent and ABS and PA6 selected all have good compatibility performance, can be substantially
Degree improves the heat distortion temperature of PA6/ABS composite material, and can also improve the impact strength of PA6/ABS composite material, pole simultaneously
The application range of PA6/ABS composite material is extended greatly.
[specific embodiment]
Combined with specific embodiments below and comparative example, clear, complete description is carried out to technical solution of the present invention.It is aobvious
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
The heat-resisting PA6/ABS composite material of the superelevation of the embodiment of the present invention, composed of the following components by mass percentage:
Wherein, PA6 resin is polycaprolactam, and viscosity range is 1.8-3.4dl/g.
Wherein, ABS resin is acrylonitrile-butadiene-styrene copolymer, and melting means range is 25-50g/10min
(220 DEG C of test condition, 10kg).
Wherein, graft modification heat-resistant agent the preparation method is as follows: under the conditions of 65r/min, 200 DEG C, by heat-resistant agent, Malaysia
Acid anhydrides (MAH), cumyl peroxide (DCP) react one section in torque rheometer mixer melt blending according to certain ratio
It is taken out after time, it is cooling, broken, remnants MAH and DCP in graft is removed using dissolution-precipitation method, then in vacuum oven
In 100 DEG C of dry 2h, obtain the graft modification heat-resistant agent.
Wherein, heat-resistant agent is one kind of a- methylstyrene copolymer and N-phenylmaleimide copolymer, preferential to select
Select N-phenylmaleimide copolymer.
Wherein, antioxidant is compounding for primary antioxidant and auxiliary antioxidant, and primary antioxidant is β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid n-octadecyl alcohol ester, auxiliary antioxidant is phosphorous acid three (2,4- di-tert-butyl) ester；Lubricant is season penta
Tetrol stearate.
In the examples below,
PA6 is selected from Ba Ling petrochemical industry (trade name: 3280H)；
ABS channel selection gulf is odd beautiful (trade name: PA-757)；
The resistance to thermal level of graft modification is this department made products (ProductName: MS-NB-MAH)；
Primary antioxidant selects vapour bar AT-1076, and auxiliary antioxidant selects vapour bar AT-168；
Lubricant selects pentaerythritol stearate (trade name: Corning PETS P861).
The preparation method of the heat-resisting PA6/ABS composite material of the superelevation of the following case study on implementation of the present invention, comprising the following steps:
Step 1: each component is successively weighed by above-mentioned weight percent, weighed PA6, ABS, graft modification is heat-resisting
Agent, antioxidant and lubricant mix 5-10 minutes in a high speed mixer；
Step 2: obtaining the heat-resisting PA6/ABS composite wood of superelevation through cooling, pelletizing by double screw extruder melting extrusion
Expect pellet；Wherein, in step 2 double screw extruder temperature setting are as follows: 210-230 DEG C of an area；Two 220-245 DEG C of areas；3rd area
220-245℃；Four 220-245 DEG C of areas；Five 220-245 DEG C of areas, six 220-245 DEG C of areas, seven 220-245 DEG C of areas, eight area 220-245
DEG C, 220-245 DEG C of head temperature, extruder screw revolving speed is controlled in 250-350r/min；
Step 3: the heat-resisting PA6/ABS composite material of superelevation obtained is dry in the drying box that temperature is 80-110 DEG C
3-6 hours.
Comparative example 1:
By quality, by 89.2 parts of PA6,10 parts of ABS, 0.2 part of antioxidant 1076,0.2 part of irgasfos 168,0.4 part of lubricant
PETS is put into high-speed mixer, is mixed 10 minutes and is taken out at room temperature；Above-mentioned mixed uniformly blend composition is squeezed by twin-screw
Machine melting extrusion, cooling, granulation out, and obtained PA6/ABS material is 4 hours dry in the drying box that temperature is 80 DEG C.
Obtain PA6/ABS composite material.
Embodiment 1:
By quality, 79.2 parts of PA6,10 parts of ABS, 10 parts of graft modification heat-resistant agents, 0.2 part of antioxidant 1076,0.2 part are resisted
168,0.4 parts of lubricant PETS of oxygen agent are put into high-speed mixer, are mixed 10 minutes and are taken out at room temperature；It will be above-mentioned mixed uniformly
Blend composition passes through double screw extruder melting extrusion, cooling, granulation, and by obtained PA6/ABS material at a temperature of 90 °C
It is 4 hours dry in drying box.Obtain PA6/ABS composite material.
Embodiment 2:
By quality, 59.2 parts of PA6,10 parts of ABS, 30 parts of graft modification heat-resistant agents, 0.2 part of antioxidant 1076,0.2 part are resisted
168,0.4 parts of lubricant PETS of oxygen agent are put into high-speed mixer, are mixed 10 minutes and are taken out at room temperature；It will be above-mentioned mixed uniformly
Blend composition passes through double screw extruder melting extrusion, cooling, granulation, and by obtained PA6/ABS material at a temperature of 90 °C
It is 4 hours dry in drying box.Obtain PA6/ABS composite material.
Embodiment 3:
By quality, by 59.2 parts of PA6,40 parts of ABS, 0.2 part of antioxidant 1076,0.2 part of irgasfos 168,0.4 part of lubricant
PETS is put into high-speed mixer, is mixed 10 minutes and is taken out at room temperature；Above-mentioned mixed uniformly blend composition is squeezed by twin-screw
Machine melting extrusion, cooling, granulation out, and obtained material is 4 hours dry in drying box at a temperature of 90 °C.Obtain PA6/
ABS composite material.
Embodiment 4:
By quality, 49.2 parts of PA6,40 parts of ABS, 10 parts of graft modification heat-resistant agents, 0.2 part of antioxidant 1076,0.2 part are resisted
168,0.4 parts of lubricant PETS of oxygen agent are put into high-speed mixer, are mixed 10 minutes and are taken out at room temperature；It will be above-mentioned mixed uniformly
Blend composition passes through double screw extruder melting extrusion, cooling, granulation, and by obtained material in drying box at a temperature of 90 °C
It is 4 hours dry.Obtain PA6/ABS composite material.
Embodiment 5: by 29.2 parts of PA6,40 parts of ABS, 30 parts of graft modification heat-resistant agents, 0.2 part of antioxidant 1076,0.2 part
Irgasfos 168,0.4 part of lubricant PETS are put into high-speed mixer, are mixed 10 minutes and are taken out at room temperature；By above-mentioned uniform mixing
Blend composition by double screw extruder melting extrusion, cooling, granulation, and the drying for being 110 DEG C in temperature by obtained material
It is 4 hours dry in case.Obtain PA6/ABS composite material.
Table 1
Each component content is mass percent in table 1.By comparative example 1 and embodiment 3 as can be seen that part of ABS addition
Amount is bigger, and the impact strength and heat distortion temperature of PA6/ABS composite material are higher, and wherein the amplification of thermal deformation is smaller.From comparison
Example 1, embodiment 1 and embodiment 2 as can be seen that with graft modification heat-resistant agent addition because graft modification heat-resistant agent can be into
One step promotes the compatibility of PA6 and ABS, and the impact strength and heat distortion temperature of material suffer from different degrees of raising.Pass through
Comparative example 1, embodiment 4, embodiment 5 can be seen that the increase with ABS and graft modification heat-resistant agent deal, the impact of material
Intensity and heat distortion temperature are greatly improved, and when ABS is 40 parts, graft modification heat-resistant agent is 30 parts, will be obtained
The heat-resisting PA6/ABS composite material with impact strength of superelevation.PA6/ABS composite material produced by the present invention has heat distortion temperature
High, the advantages that impact strength is high.
The embodiments of the present invention described above are not intended to limit the scope of the present invention.It is any in the present invention
Spirit and principle within the modifications, equivalent substitutions and improvements etc. done, should be included in claim protection model of the invention
Within enclosing.
Claims (7)
1. a kind of heat-resisting PA6/ABS composite material of superelevation, which is characterized in that composed of the following components by weight percentage:
2. the heat-resisting PA6/ABS composite material of superelevation according to claim 1, which is characterized in that the PA6 resin is to gather oneself
Lactams, viscosity range are 1.8-3.4dl/g.
3. the heat-resisting PA6/ABS composite material of superelevation according to claim 1, which is characterized in that the ABS resin is propylene
Fine-butadiene-styrene copolymer, melting means range are 25-50g/10min (220 DEG C of test condition, 10kg).
4. the heat-resisting PA6/ABS composite material of superelevation according to claim 1, which is characterized in that the graft modification is heat-resisting
Agent the preparation method is as follows: under the conditions of 65r/min, 200 DEG C, by heat-resistant agent, maleic anhydride (MAH), cumyl peroxide
(DCP) it is taken out after torque rheometer mixer melt blending reacts a period of time according to certain ratio, it is cooling, broken, it adopts
Remove remnants MAH and DCP in graft with the dissolution-precipitation method, then 100 DEG C of dry 2h in a vacuum drying oven, obtain described in
Graft modification heat-resistant agent.
5. the heat-resisting PA6/ABS composite material of superelevation according to claim 4, which is characterized in that the heat-resistant agent is a- first
One kind of base styrol copolymer and N-phenylmaleimide copolymer, it is preferential to select N-phenylmaleimide copolymer.
6. the heat-resisting PA6/ABS composite material of superelevation according to claim 1, which is characterized in that resist based on the antioxidant
Oxygen agent is compounded with auxiliary antioxidant, and primary antioxidant is β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecyl alcohol ester,
Auxiliary antioxidant is phosphorous acid three (2,4- di-tert-butyl) ester；Lubricant is pentaerythritol stearate.
7. a kind of preparation side of the heat-resisting PA6/ABS composite material of superelevation as described in any claim in claim 1 to 6
Method, which comprises the following steps:
Step 1: weight percent according to claim 1 successively weighs each component, by weighed PA6, ABS resin, grafting
Modified heat resistant agent, antioxidant and lubricant mix 5-10 minutes in a high speed mixer；
Step 2: obtaining the heat-resisting PA6/ABS composite material of superelevation through cooling, pelletizing by double screw extruder melting extrusion；
Wherein, the temperature setting of double screw extruder is 210-230 DEG C of an area in step 2；Two 220-245 DEG C of areas；Three area 220-
245℃；Four 220-245 DEG C of areas；Five 220-245 DEG C of areas, six 220-245 DEG C of areas, seven 220-245 DEG C of areas, eight 220-245 DEG C of areas,
220-245 DEG C of head temperature, extruder screw revolving speed is controlled in 250-350r/min；
Step 3: dry 3-6 is small in the drying box that temperature is 80-110 DEG C by the heat-resisting PA6/ABS composite material of superelevation obtained
When.
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|---|---|---|---|---|
| EP0276512A1 (en) * | 1986-12-20 | 1988-08-03 | Dsm N.V. | Thermoplastic polymer mixtures |
| CN1854192A (en) * | 2005-04-29 | 2006-11-01 | 上海日之升新技术发展有限公司 | Nylon and ABS alloy material with improved heat-resisting performance |
| CN101104732A (en) * | 2006-07-14 | 2008-01-16 | 上海普利特复合材料有限公司 | Nylon/acrylonitrile-butadiene-styrene resin mixing material |
| CN101397396A (en) * | 2007-09-27 | 2009-04-01 | 上海金发科技发展有限公司 | Polycarbonate and acrylic nitrile-butadiene-phenylethylene grafted copolymer heat resisting and flame-retardant alloy |
| CN106832909A (en) * | 2015-12-03 | 2017-06-13 | 上海杰事杰新材料(集团)股份有限公司 | A kind of high-dimensional stability PA/ABS alloys and preparation method |
-
2019
- 2019-01-24 CN CN201910066939.0A patent/CN109880352A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0276512A1 (en) * | 1986-12-20 | 1988-08-03 | Dsm N.V. | Thermoplastic polymer mixtures |
| CN1854192A (en) * | 2005-04-29 | 2006-11-01 | 上海日之升新技术发展有限公司 | Nylon and ABS alloy material with improved heat-resisting performance |
| CN101104732A (en) * | 2006-07-14 | 2008-01-16 | 上海普利特复合材料有限公司 | Nylon/acrylonitrile-butadiene-styrene resin mixing material |
| CN101397396A (en) * | 2007-09-27 | 2009-04-01 | 上海金发科技发展有限公司 | Polycarbonate and acrylic nitrile-butadiene-phenylethylene grafted copolymer heat resisting and flame-retardant alloy |
| CN106832909A (en) * | 2015-12-03 | 2017-06-13 | 上海杰事杰新材料(集团)股份有限公司 | A kind of high-dimensional stability PA/ABS alloys and preparation method |
Non-Patent Citations (1)
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Application publication date: 20190614 |