CN104927337B - A kind of wet and heat ageing resistant, high PU foam bond strength PC/ABS material - Google Patents
A kind of wet and heat ageing resistant, high PU foam bond strength PC/ABS material Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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Abstract
The present invention relates to a kind of PC/ABS material being applicable to instrument board framework, the formula relating to this material designs with specifically used.The PC/ABS material that the present invention provides for the processing of instrument board and handling characteristics, has three aspect advantages compared to common PC/ABS material: first select the MBS Han Si to improve the toughness of material, particularly aging through life-time service after toughness；Secondly, by PC is blocked, the long-term heat aging property of material is enhanced；It is thirdly by introducing SMA or derivatives thereof, strengthens surface polarity and number of functional groups enhances and the adhesion of PU froth bed.PC/ABS material prepared by the present invention has wet and heat ageing resistant, the advantage of high PU foam bond strength, can prepare material as fascia is special, provide safer protection for driver and crew.
Description
Technical field
The present invention relates to technical field of macromolecules, specifically, be a kind of wet and heat ageing resistant, high PU foam knot
Close intensity PC/ABS material and the application in preparing vehicular meter framework thereof.
Background technology
In recent years, along with improving constantly and the fast development of car industry of people's income, automobile is got over
To enter average family manyly, but the thing followed is the continuous generation of increasingly severe vehicle accident.
At present China is to have become most because of traffic death toll in the world country, and is traffic mortality
The highest country.Therefore, the function innovation of material is prepared by automobile to improve the safety to vehicle driver
Protective effect, reduces vehicle accident incidence rate and has become a necessity and urgent work.
Fascia be people it is initially noted that into the car and faced by vehicle part, and instrument board framework
It is again the parts providing for instrument board and supporting and realize its function, in the most serious vehicle accident, instrument
Framework is the last line of defense of front-seat driver and crew.Therefore, the performance quality of instrument board framework can be directly
Have influence on the traffic safety of driver and crew.It is said that in general, the common used material of instrument board framework mainly includes
PC/ABS, PP, SMA, PPO (PPE) etc..Wherein, with Merlon (PC) and acrylic nitrile-butadiene two
The plastic alloy that alkene-styrol copolymer (ABS) forms has good toughness, intensity is high, heat resisting temperature is high
Advantage, and the surface of alloy material has certain polarity so that it is stronger with the adhesion of PU.But due to valency
Lattice factor, at present, PC/ABS mainly uses in B level is with the instrument board framework got on the car, the most very
The motor corporations such as the Volvo of taking care property, are extremely to tend to use in instrument board framework selection
PC/ABS class material.
Those skilled in the art all know, automobile instrument framework in use to bear and come from electromotor and light
According to hot environment produced by heat, the most hot and humid environment.In such environment, PC/ABS
In polybutadiene rubber can occur a certain degree of aging due to double bond fracture, thus reduce it as increasing
The effect of tough phase.And the PC containing terminal hydroxy group also can occur a certain degree of degraded after hydrothermal aging, cause
Product property deteriorates.Additionally, PU is affected by hygrothermal environment, the aging rear surface adhesion with base material has
Reduced.The above factor, all can have influence on the safety of instrument board framework after life-time service.
Chinese patent literature 201110219057.7 discloses a kind of air conditioning for automobiles instrument board of being applied to
PC/ABS alloy, described PC/ABS alloy includes Merlon 23-34%, ABS 60-73%, SMA
4-6%, antioxidant 0.9-0.13%, lubricant 0.25-0.35%.But this patent is not directed to how to improve PC/ABS
The problem of the bond strength of material and PU foam, SMA is used by it as compatilizer, improves PC and ABS
In PB component compatibility difference problem.It is true that the polybutadiene rubber that PB is the most simple, but with
There is the enhancing phase of high graft in the warm and fine styrene of propylene, and when actually used, PC Yu the ABS compatibility
It is ideal, is not required to SMA and improves as compatilizer.The present invention uses SMA to strengthen
Bond strength between PC/ABS material and PU foam, entirely different with the starting point of this patent and using effect.
Chinese patent literature 201410750849.0 discloses a kind of modified PC/ABS engineering plastics, by following components
Composition: PC 50-65%, ABS 30-44%, compatilizer 1-3%, anti-impact modifier 1-3%, lubricant
0-1%, described compatilizer is polysiloxanes-esters of acrylic acid compatilizer.Equally, how this patent is also not directed to
The problem improving PC/ABS material and the bond strength of PU foam.Therefore it provides one possesses high tenacity,
With PU, there is high bond strength, no matter and wet and heat ageing resistant improve PC/ABS material from vehicle safety also
Be product commercial value angle be all the most necessary.
Summary of the invention
It is an object of the invention to for deficiency of the prior art, it is provided that a kind of wet and heat ageing resistant, high PU foam
Bond strength PC/ABS material.
Another purpose of the present invention is to provide the preparation method of above-mentioned PC/ABS material.
For achieving the above object, the present invention adopts the technical scheme that:
A kind of wet and heat ageing resistant, high PU foam bond strength PC/ABS material, by following component and content system
For forming: Merlon 60-80 part, response type compatilizer 0.1-3 part, ABS 10-30 part, PU foam knot
Mixture 0.2-10 part, acrylic graft-modified type siloxane toughener 0.1-20 part, antioxidant 0.1-3 part.
Described response type compatilizer is the response type compatilizer with ethylene oxide group.
Described response type compatilizer is styrene-acrylonitrile-glycidyl methacrylate copolymer
(SAG), polypropylene grafted glycidyl methacrylate (PP-g-GMA), ethylene-methyl acrylate-
Glycidyl methacrylate random terpolymer (EMA-g-GMA) or polyolefin elastomer grafting first
Base glycidyl acrylate (POE-g-GMA).
Described PU foam bonding agent is styrene-maleic anhydride copolymer (SMA) or SMA derivant.
Described SMA derivant is Sulfonated Copolymer of Styrene and Maleic Anhydride (SSMA), ethanol grafting SMA
Or acrylic ester grafted SMA.
Described PU foam bonding agent is for improving described PC/ABS material and PU foam bond strength.
Described antioxidant is that antioxidant 1076 mixes for 1:1 in mass ratio with irgasfos 168.
Described acrylic graft-modified type siloxane toughener is the metablen of Mitsubishi Rayon Co., Ltd
S2006 polysiloxanes acrylic acid compounded rubber.
Described PC/ABS material has high PU foam bond strength performance.
For realizing above-mentioned second purpose, the present invention adopts the technical scheme that:
The preparation method of arbitrary described PC/ABS material, comprises the steps:
(1) each raw material is weighed by proportioning, by Merlon and response type compatilizer and antioxidant blending extrusion,
Merlon is blocked；
(2) by end-blocking PC Yu ABS prepared, PU foam bonding agent, acrylic graft-modified silica
Alkanes toughener blending extrusion pelletize, obtains product.
The technical problem to be solved is how to improve the wet and heat ageing resistant of PC/ABS composite
Can, strengthen the bond strength of PC/ABS composite and PU froth bed.Inventor is in long-term production practices
Middle discovery, has esters of acrylic acid toughener resistance to of polymethyl-benzene e pioic acid methyl ester (PMMA) housing parcel
Aging to be significantly better than the polybutadiene rubber in common ABS, especially contains the acrylate of silicone rubber
Class toughener not only has excellent ageing-resistant performance, also has the low temperature toughening effect of excellence.The present invention adopts
Add to as toughener with the acrylic graft-modified siloxanes compounded rubber containing organosilicon in nuclear structure
In PC/ABS material.This kind of toughener is mainly dispersed in the PC phase bigger to system Toughness, and heat
Aging less than the polybutadiene rubber in ABS on its impact, the toughness conservation rate of material after life-time service
It is better than un-added respective material.It should be noted that the Rhizoma Sparganii beautiful sun strain in embodiment, used by the present invention
The metablen S2006 of formula commercial firm is polysiloxanes acrylic acid compounded rubber, and for nucleocapsid structure, core is organic
Silicon/acrylic acid, shell is methyl methacrylate.
The serviceability of PC/ABS material is in addition to improving ABS, it is simply that be modified PC.For PC,
Its end group is the principal element affecting heat stability.Therefore, take suitably to block and PC is carried out to block energy
It is effectively improved PC stability during standing hydrothermal aging, improves service life and the safety of goods.
End-capping reagent selected by the present invention is the compatilizer with ethylene oxide group, such as: styrene-acrylonitrile-methyl
Glycidyl acrylate copolymer (SAG), polypropylene grafted glycidyl methacrylate
(PP-g-GMA), ethylene methyl acrylate glycidyl methacrylate random terpolymer
(EMA-g-GMA), polyolefin elastomer graft glycidyl methacrylate (POE-g-GMA) etc..
This kind of end-blocking with ethylene oxide group and PC can being blocked, thus improve the heat stability of PC,
Particularly keep its serviceability in hygrothermal environment, and also there is certain toughening effect.
The invention in PC/ABS material, introduce a certain proportion of SMA or derivatives thereof (such as sulphur
Change styrene-maleic anhydride copolymer (SSMA), ethanol grafting SMA, acrylic ester grafted SMA etc.),
To improve the adhesion strength of PC/ABS material and PU foam.Test finds this reinforced effects, but it increases
Strong principle is still not clear, inventor speculate at this PC/ABS material surface that is likely due to containing SMA with
Substantial amounts of maleic groups, these maleic anhydrides are during PU frostproof froth n, with PU formation of foam
Substantial amounts of hydrogen bond, generates the bonding of chemistry aspect so that add PC/ABS material and the PU layer of SMA
Bond strength is better than common PC/ABS material.
The invention has the advantages that:
The present invention use acrylic graft-modified type siloxane toughener improve PC/ABS material wet-heat resisting old
Changing performance, this kind of toughener resistance to ag(e)ing to be significantly better than the polybutadiene rubber in common ABS, and mainly
Be dispersed in the bigger PC of system Toughness quite in, it is poly-that its impact is less than in ABS by heat ageing
Butadiene rubber；Secondly, use response type compatilizer that PC is blocked, improve the steady in a long-term of material
Property；Again, the present invention uses the styrene-maleic anhydride copolymer or derivatives thereof possessing response type functional group
As modifying agent, enhance the bond strength of skeleton and PU foam, the PC/ABS material prepared by the present invention
There is wet and heat ageing resistant, the advantage of high PU foam bond strength, material can be prepared as fascia is special,
Safer protection is provided for driver and crew.
Accompanying drawing explanation
The photo after froth bed is peeled off after the accompanying drawing 1 frothing test plate prepared by embodiment 1 is aging.
The photo after froth bed is peeled off after the accompanying drawing 2 frothing test plate prepared by comparative example 1 is aging.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further.Should be understood that these embodiments are only used for
The bright present invention rather than restriction the scope of the present invention.In addition, it is to be understood that in having read the present invention and having lectured
After appearance, the present invention can be made various changes or modifications by those skilled in the art, and these equivalent form of values are same
Fall within the application appended claims limited range.
Merlon used in following embodiment is the PC1250WP of Di Ren Merlon company limited, institute
The ABS8434 that ABS is Gaoqiao Petrochemical Company company.
Embodiment 1
A kind of wet and heat ageing resistant, high PU foam bond strength PC/ABS material, by following component and content system
Standby form: Merlon 65 parts, response type compatilizer 2 parts, ABS 20 parts, PU foam bonding agent 5 parts,
5 parts, 0.2 part antioxidant 1076 of acrylic graft-modified type siloxane toughener, 0.2 part of irgasfos 168.
The SAG-001 of described response type compatilizer is Nantong day liter macromolecule new material Science and Technology Ltd.；Institute
The PU foam bonding agent stated is the SMA-SZ23110 of POLYSCOPE；Described is acrylic graft-modified
Type siloxane toughener is that the metablen S2006 polysiloxanes acrylic acid of Mitsubishi Rayon Co., Ltd is combined rubber
Glue.Preparation method: weigh each raw material by proportioning, first response type compatilizer is total to Merlon and antioxidant
Mixed extrusion, carries out reaction end-blocking to PC, and the molten finger of PC after extrusion is increased to 12g/10min (300 DEG C of * 1.2kg)；
By end-blocking PC Yu ABS prepared, PU foam bonding agent, acrylic graft-modified type siloxane toughener,
Antioxidant blending extrusion pelletize；The particle obtained is molded into model and ISO type test bars.
Embodiment 2
A kind of wet and heat ageing resistant, high PU foam bond strength PC/ABS material, by following component and content system
For forming: Merlon 70 parts, response type compatilizer 0.6 part, ABS 15 parts, PU foam bonding agent 2
Part, 15 parts, 0.5 part antioxidant 1076 of acrylic graft-modified type siloxane toughener, 0.5 part of antioxidant
168.Described response type compatilizer is polypropylene grafted glycidyl methacrylate (PP-g-GMA)；
Described PU foam bonding agent is Sulfonated Copolymer of Styrene and Maleic Anhydride (SSMA)；Described acrylic acid
Graft modification type siloxane toughener is the metablen S2006 polysiloxanes propylene of Mitsubishi Rayon Co., Ltd
Acid compounded rubber.Preparation method: weigh each raw material by proportioning, first by response type compatilizer and Merlon and
Antioxidant blending extrusion, carries out reaction end-blocking to PC, and the molten finger of PC after extrusion is increased to 12g/10min (300 DEG C
*1.2kg)；By end-blocking PC Yu ABS prepared, PU foam bonding agent, acrylic graft-modified siloxanes
Class toughener, antioxidant blending extrusion pelletize；The particle obtained is molded into model and ISO type test bars.
Embodiment 3
A kind of wet and heat ageing resistant, high PU foam bond strength PC/ABS material, by following component and content system
For forming: Merlon 75 parts, response type compatilizer 1.5 parts, ABS 25 parts, PU foam bonding agent 8
Part, 10 parts, 1 part antioxidant 1076 of acrylic graft-modified type siloxane toughener, 1 part of irgasfos 168.
Described response type compatilizer is the random ternary polymerization of ethylene-methyl acrylate-glyceryl methacrylate
Thing (EMA-g-GMA)；Described PU foam bonding agent is that ethanol is grafted SMA；Described acrylic acid connects
Branch modified siloxane class toughener is the metablen S2006 polysiloxanes acrylic acid of Mitsubishi Rayon Co., Ltd
Compounded rubber.Preparation method: weigh each raw material by proportioning, first by response type compatilizer and Merlon and anti-
Oxygen agent blending extrusion, carries out reaction end-blocking to PC, and the molten finger of PC after extrusion is increased to 12g/10min (300 DEG C
*1.2kg)；By end-blocking PC Yu ABS prepared, PU foam bonding agent, acrylic graft-modified siloxanes
Class toughener, antioxidant blending extrusion pelletize；The particle obtained is molded into model and ISO type test bars.
Embodiment 4
A kind of wet and heat ageing resistant, high PU foam bond strength PC/ABS material, by following component and content system
For forming: Merlon 60 parts, response type compatilizer 0.1 part, ABS 10 parts, PU foam bonding agent 0.2
Part, 0.1 part, 0.05 part antioxidant 1076 of acrylic graft-modified type siloxane toughener, 0.05 part of antioxygen
Agent 168.Described response type compatilizer is polyolefin elastomer graft glycidyl methacrylate
(POE-g-GMA)；Described PU foam bonding agent is acrylic ester grafted SMA；Described acrylic acid
Graft modification type siloxane toughener is the metablen S2006 polysiloxanes propylene of Mitsubishi Rayon Co., Ltd
Acid compounded rubber.Preparation method: weigh each raw material by proportioning, first by response type compatilizer and Merlon and
Antioxidant blending extrusion, carries out reaction end-blocking to PC, and the molten finger of PC after extrusion is increased to 12g/10min (300 DEG C
*1.2kg)；By end-blocking PC Yu ABS prepared, PU foam bonding agent, acrylic graft-modified siloxanes
Class toughener, antioxidant blending extrusion pelletize；The particle obtained is molded into model and ISO type test bars.
Embodiment 5
A kind of wet and heat ageing resistant, high PU foam bond strength PC/ABS material, by following component and content system
For forming: Merlon 80 parts, response type compatilizer 3 parts, ABS 30 parts, PU foam bonding agent 10
Part, 20 parts, 1.5 parts antioxidant 1076s of acrylic graft-modified type siloxane toughener, 1.5 parts of antioxidant
168.Described response type compatilizer is polyolefin elastomer graft glycidyl methacrylate
(POE-g-GMA)；Described PU foam bonding agent is that ethanol is grafted SMA；Described is acrylic acid-grafted
Modified siloxane class toughener is that the metablen S2006 polysiloxanes acrylic acid of Mitsubishi Rayon Co., Ltd is multiple
Close rubber.Preparation method: weigh each raw material by proportioning, first by response type compatilizer and Merlon and antioxygen
Agent blending extrusion, carries out reaction end-blocking to PC, and the molten finger of PC after extrusion is increased to 12g/10min (300 DEG C
*1.2kg)；By end-blocking PC Yu ABS prepared, PU foam bonding agent, acrylic graft-modified siloxanes
Class toughener, antioxidant blending extrusion pelletize；The particle obtained is molded into model and ISO type test bars.
Comparative example 1
Taking and being re-dubbed molten finger by Supreme Being people PC-1225L and PC-1250WP is 12g/10min (300 DEG C * 1.2
Kg) 65 parts, 25 parts ABS-8434 (Gaoqiao Petrochemical Company) of PC raw material, 5 parts of rubber powder P/D150 (Korea S
Brocade lake petrochemical industry), 0.2 part of antioxidant 1076,0.2 part of irgasfos 168, blending extrusion pelletize.The particle obtained
It is molded into model and ISO type test bars.
Comparative example 2
A kind of PC/ABS material, is prepared from by following component and content: Merlon 65 parts, response type
Compatilizer 2 parts, ABS 20 parts, 5 parts, 0.2 part antioxidant of acrylic graft-modified type siloxane toughener
1076,0.2 part of irgasfos 168.The described liter macromolecule new material that response type compatilizer is Nantong day science and technology
The SAG-001 of company limited；Described acrylic graft-modified type siloxane toughener is Rhizoma Sparganii beautiful sun strain formula
The metablen S2006 polysiloxanes acrylic acid compounded rubber of commercial firm.Preparation method: weigh each former by proportioning
Material, first by response type compatilizer and Merlon and antioxidant blending extrusion, carries out reaction end-blocking, squeezes PC
The molten finger of PC after going out is increased to 12g/10min (300 DEG C of * 1.2kg)；By end-blocking PC Yu ABS prepared,
Acrylic graft-modified type siloxane toughener, antioxidant blending extrusion pelletize；The particle obtained is molded into
Model and ISO type test bars.
Comparative example 3
A kind of PC/ABS material, is prepared from by following component and content: Merlon 65 parts, ABS 20
Part, PU foam bonding agent 5 parts, 5 parts, 0.2 part antioxidant of acrylic graft-modified type siloxane toughener
1076,0.2 part of irgasfos 168.Described PU foam bonding agent is the SMA-SZ23110 of POLYSCOPE；
The described metablen S2006 that acrylic graft-modified type siloxane toughener is Mitsubishi Rayon Co., Ltd
Polysiloxanes acrylic acid compounded rubber.Preparation method: weigh each raw material by proportioning, by Merlon and antioxygen
Agent blending extrusion, the molten finger of PC after extrusion is increased to 12g/10min (300 DEG C of * 1.2kg)；By prepare
PC Yu ABS, PU foam bonding agent, acrylic graft-modified type siloxane toughener, antioxidant are blended and squeeze
Go out pelletize；The particle obtained is molded into model and ISO type test bars.
Comparative example 4
A kind of PC/ABS material, is prepared from by following component and content: Merlon 65 parts, response type
Compatilizer 2 parts, ABS 20 parts, 5 parts, 0.2 part antioxidant 1076 of PU foam bonding agent, 0.2 part of antioxygen
Agent 168.Described response type compatilizer is Nantong day liter macromolecule new material Science and Technology Ltd.
SAG-001；Described PU foam bonding agent is the SMA-SZ23110 of POLYSCOPE.Preparation method:
Weigh each raw material by proportioning, first by response type compatilizer and Merlon and antioxidant blending extrusion, PC is entered
Row reaction end-blocking, the molten finger of PC after extrusion is increased to 12g/10min (300 DEG C of * 1.2kg)；By prepare
End-blocking PC with ABS, PU foam bonding agent, acrylic graft-modified type siloxane toughener, antioxidant are common
Mixed extruding pelletization；The particle obtained is molded into model and ISO type test bars.
Table 1 each embodiment component and proportioning
Preparing sample according to embodiment 1-5 and comparative example 1-4, each embodiment component is as shown in table 1, will system
The sample got ready carries out performance test comparison.
Performance test
After obtaining above-mentioned material, it is substantially carried out two aspects and tests:
1, material wet and heat ageing resistant performance test, characterized by impact flexibility；
2, material and PU foam bonding situation.
Wet and heat ageing resistant performance test: the impact batten prepared and particle are respectively separated half, in 70 DEG C,
The hydrothermal aging case of 95% humidity stands after 200 hours and takes out, test respectively aging before and after batten and particle
Impact strength and melt index, test condition: simply supported beam notch shock (ISO 179-1/1eA) 23 DEG C,
4J；260 DEG C of * 5kg of melt index (ISO 1133).
Material is tested with PU foam bond strength: take the model prepared, enterprising at model by identical technique
Row PU foams, and expanded material used is the instrument board special-purpose foaming PU of BASF AG.After foaming
Model is placed in 70 DEG C of baking ovens, takes out after aging 1000h, respectively the PU bubble from peel test plate surface
Foam, divests totally by the foam peeled off easily with model adhesion strength mental retardation, record peel off after brassboard table
The PU foam of face residual accounts for the percentage ratio of brassboard total surface area, and is evaluated.Wherein, residual PU bubble
Foam revolution mark is that 100-80% is designated as high bond strength；Residual PU foam revolution mark is that 80-50% is designated as
Moderate binding strength；Residual PU foam revolution mark is that 50-30% is designated as general with intensity；Residual PU
Foam revolution mark is designated as low bond strength less than 30%；Fig. 1 is that the frothing test plate of embodiment 1 preparation is old
Peel off the photo after froth bed after change, Fig. 2 be the frothing test plate prepared by comparative example 1 aging after peel off bubble
Photo after foam layer.
Test performance result is as shown in table 2, and PC/ABS material prepared by the present invention has more preferable wet-heat resisting
Aging characteristics, and more preferable than general PC/ABS with the adhesion of PU foam, can be special as fascia
With preparing material, provide safer protection for driver and crew.
Table 2 wet and heat ageing resistant performance comparison
The above is only the preferred embodiment of the present invention, it is noted that common for the art
Technical staff, on the premise of without departing from the inventive method, it is also possible to makes some improvement and supplements, these
Improve and supplement and also should be regarded as protection scope of the present invention.
Claims (8)
1. a wet and heat ageing resistant, high PU foam bond strength PC/ABS material, it is characterised in that described
PC/ABS material be prepared from by following component and content: Merlon 60-80 part, response type are compatible
Agent 0.1-3 part, ABS 10-30 part, PU foam bonding agent 0.2-10 part, acrylic graft-modified siloxanes
Class toughener 0.1-20 part, antioxidant 0.1-3 part；Described PU foam bonding agent is SMA derivant, institute
The SMA derivant stated is Sulfonated Copolymer of Styrene and Maleic Anhydride (SSMA) or ethanol grafting SMA.
PC/ABS material the most according to claim 1, it is characterised in that described response type compatilizer
For the response type compatilizer with ethylene oxide group.
PC/ABS material the most according to claim 1, it is characterised in that described response type compatilizer
For styrene-acrylonitrile-glycidyl methacrylate copolymer (SAG), polypropylene grafted metering system
Acid glycidyl ester (PP-g-GMA), ethylene-methyl acrylate-glyceryl methacrylate random three
Membered copolymer (EMA-g-GMA) or polyolefin elastomer graft glycidyl methacrylate
(POE-g-GMA)。
PC/ABS material the most according to claim 1, it is characterised in that described PU foam combines
Agent is for improving described PC/ABS material and PU foam bond strength.
PC/ABS material the most according to claim 1, it is characterised in that described antioxidant is antioxygen
Agent 1076 mixes for 1:1 in mass ratio with irgasfos 168.
PC/ABS material the most according to claim 1, it is characterised in that described acrylic acid-grafted change
Property type siloxane toughener be Mitsubishi Rayon Co., Ltd metablen S2006 polysiloxanes acrylic acid be combined
Rubber.
7. the purposes of the arbitrary described PC/ABS material of claim 1-6, it is characterised in that described
The application in preparing vehicular meter framework of the PC/ABS material, prepared instrument board framework has high PU
Foam bond strength.
8. the preparation method of the PC/ABS material as described in claim 1-6 is arbitrary, it is characterised in that the party
Method comprises the steps:
(1) each raw material is weighed by proportioning, by Merlon and response type compatilizer and antioxidant blending extrusion,
Merlon is blocked；
(2) by end-blocking PC Yu ABS prepared, PU foam bonding agent, acrylic graft-modified silica
Alkanes toughener blending extrusion pelletize, obtains product.
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| CN201510413854.7A CN104927337B (en) | 2015-07-15 | 2015-07-15 | A kind of wet and heat ageing resistant, high PU foam bond strength PC/ABS material |
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| CN201510413854.7A CN104927337B (en) | 2015-07-15 | 2015-07-15 | A kind of wet and heat ageing resistant, high PU foam bond strength PC/ABS material |
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| CN104927337B true CN104927337B (en) | 2016-08-24 |
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| CN106674962B (en) * | 2016-12-21 | 2019-05-10 | 上海长伟锦磁工程塑料有限公司 | A kind of PC/ABS alloy and preparation method thereof that heat aging performance is excellent |
| CN108587104A (en) * | 2018-05-02 | 2018-09-28 | 安徽九牛塑业科技有限公司 | A kind of expanded material and preparation method thereof prepared based on modified plastics |
| CN111138796A (en) * | 2019-12-26 | 2020-05-12 | 苏州润佳高分子材料有限公司 | Modified ABS material for automobile |
| CN112375362B (en) * | 2020-11-06 | 2022-03-22 | 金发科技股份有限公司 | PC/ABS composition and preparation method and application thereof |
| CN112500691B (en) * | 2020-12-08 | 2023-05-26 | 万华化学(四川)有限公司 | High-impact-resistance, damp-heat-aging-resistant polycarbonate material and preparation method thereof |
| CN114316503A (en) * | 2021-12-29 | 2022-04-12 | 浙江普利特新材料有限公司 | High-heat-resistance modified ABS material strongly bonded with PUR and preparation method thereof |
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| CN103709709B (en) * | 2013-12-20 | 2016-01-06 | 上海锦湖日丽塑料有限公司 | Polycarbonate compositions of a kind of high tenacity and preparation method thereof |
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