CN104927336B - A kind of wet and heat ageing resistant, high PU foam bond strength PC/SMA material - Google Patents
A kind of wet and heat ageing resistant, high PU foam bond strength PC/SMA material Download PDFInfo
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- CN104927336B CN104927336B CN201510413853.2A CN201510413853A CN104927336B CN 104927336 B CN104927336 B CN 104927336B CN 201510413853 A CN201510413853 A CN 201510413853A CN 104927336 B CN104927336 B CN 104927336B
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
Abstract
The present invention relates to a kind of wet and heat ageing resistant, high PU foam bond strength PC/SMA material, described PC/SMA material is prepared from by following component and content: Merlon 60 80 parts, response type compatilizer 0.1 3 parts, PU foam bonding agent 3 50 parts, acrylic graft-modified type siloxane toughener 0.1 20 parts, 0.1 3 parts of antioxidant；Described PU foam bonding agent is styrene maleic anhydride copolymer (SMA) or SMA derivant or both combination in any.The PC/SMA material of the present invention not only has good wet and heat ageing resistant performance, still there is after aging 200h in hydrothermal aging case relatively high impact, and this PC/SMA material has good cementation with PU foam, its PU foam bond strength is far above common PC/ABS material.
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/SMA 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 is
People it is initially noted that into the car and faced by vehicle part, and instrument board framework be for instrument board provide
Supporting and realize the parts of its function, in the most serious vehicle accident, instrument board framework is front-seat driving
The last line of defense of personnel.Therefore, the performance quality of instrument board framework can directly influence driver and crew
Traffic safety.It is said that in general, the common used material of instrument board framework mainly include PC/ABS, PP, SMA,
PPO (PPE) etc..Wherein, with Merlon (PC) and acrylonitrile-butadiene-styrene copolymer (ABS)
The plastic alloy of composition has good toughness, intensity height, heat resisting temperature advantages of higher, and the surface of alloy material
There is certain polarity so that it is stronger with the adhesion of PU.But due to price factor, at present, PC/ABS
Mainly use in B level is with the instrument board framework got on the car, particularly pay close attention to the Volvo etc. of safety
Motor corporation, is extremely to tend to use PC/ABS class material in instrument board framework selection.
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 PC
Bond strength between material and PU foam, entirely different with the starting point of this patent and using effect.China is specially
Profit document 201410750849.0 discloses a kind of modified PC/ABS engineering plastics, composed of the following components:
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, this patent is also for relating to how to improve
The problem of the bond strength of PC/ABS material and PU foam.Therefore it provides one possesses high tenacity, with PU
There is high bond strength, and the PC/SMA material that wet and heat ageing resistant improves, no matter from vehicle safety or
Product commercial value angle is 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/SMA material.
Another purpose of the present invention is to provide the purposes of described PC/SMA material.
Another the purpose of the present invention is to provide the preparation method of described PC/SMA 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/SMA material, by following component and content
Be prepared from: Merlon 60-80 part, response type compatilizer 0.1-3 part, PU foam bonding agent 3-50 part,
Acrylic graft-modified type siloxane toughener 0.1-20 part, antioxidant 0.1-3 part；Described PU foam knot
Mixture is styrene-maleic anhydride copolymer (SMA) or SMA derivant or both combination in any.
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 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 used for improving 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.
For realizing above-mentioned second purpose, the present invention adopts the technical scheme that:
The application in preparing vehicular meter framework of arbitrary described PC/SMA material, prepared
Instrument board framework has high PU foam bond strength.
For realizing above-mentioned 3rd purpose, the present invention adopts the technical scheme that:
The preparation method of arbitrary described PC/SMA 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) the end-blocking PC prepared is increased with PU foam bonding agent, acrylic graft-modified type siloxane
Tough dose of blending extrusion pelletize, obtains product.
Present invention aim at providing a kind of novel wet and heat ageing resistant, high PU foam bond strength PC/SMA
Material, this material not only has good wet and heat ageing resistant performance, in hydrothermal aging case after aging 200h still
There is relatively high impact, and this PC/SMA material has good cementation with PU foam, its PU
Foam bond strength is far above common PC/ABS material.
The present invention replaces ABS Yu PC to form plastic alloy with SMA or SMA derivant, and inventor is in reality
Test middle discovery, after adding SMA component in PC/ABS material, prepared sheet material and the knot of PU foam
Closing intensity far above the sheet material being not added with SMA, inventor's supposition is likely due to SMA made skeleton surface
With substantial amounts of maleic groups, these maleic anhydrides, in PU foaming process, define with PU in a large number
Hydrogen bond even can produce chemical reaction and generate the bonding of chemistry aspect, thus enhance sheet material and PU foam
Bond strength.And by great many of experiments exploration discovery, the ABS in PC/ABS alloy compositions is replaced completely
After SMA, the advantage not only remaining the strong mechanical performance of PC/ABS alloy, prepared PC/SMA
Sheet alloy and PU foam bond strength are far above common PC/ABS material.Wherein, SMA represents benzene
Ethylene maleic acid anhydride copolymer, SMA derivant include Sulfonated Copolymer of Styrene and Maleic Anhydride (SSMA),
Ethanol grafting SMA, acrylic ester grafted SMA etc..
Inventor finds in long-term production practices, has polymethyl-benzene e pioic acid methyl ester (PMMA) housing
The resistance to ag(e)ing of the esters of acrylic acid toughener of parcel to be significantly better than the polybutadiene rubber in common ABS,
The esters of acrylic acid toughener especially containing silicone rubber not only has excellent ageing-resistant performance, also has excellent
Different low temperature toughening effect.The present invention uses the acrylic graft-modified siloxanes containing organosilicon in nuclear structure multiple
Close rubber to add in PC/ABS material as toughener.This kind of toughener is mainly dispersed in system toughness
Affect in bigger PC phase, and heat ageing is less than the polybutadiene rubber in ABS on its impact, long
After phase use, the toughness conservation rate of material is better than un-added respective material.It should be noted that in embodiment,
The metablen S2006 of the Mitsubishi Rayon Co., Ltd used by the present invention is polysiloxanes acrylic acid compounded rubber,
For nucleocapsid structure, core is organosilicon/acrylic acid, and shell is methyl methacrylate.
PC containing terminal hydroxy group easily becomes nucleopilic reagent under the high temperature conditions, understands the ester group on attack segment,
Cause material degradation, affect the performance of product.The present invention selects the compatilizer with ethylene oxide group to PC
Carrying out blocking modification, PC can be blocked by these end-capping reagents possessing response type functional group, thus improves
The heat stability of PC, particularly maintains the serviceability in hygrothermal environment, improves the use longevity of goods
Life and security performance, and wherein part has also had the best toughening effect concurrently.
The invention has the advantages that:
(1) present invention uses SMA or derivatives thereof to replace ABS Yu PC to form plastic alloy, retains
The advantage of the strong mechanical performance of PC/ABS alloy, prepared PC/SMA sheet alloy is tied with PU foam
Close intensity far above common PC/ABS material；
(2) present invention selects the compatilizer with ethylene oxide group that PC is carried out blocking modification, improves
Material serviceability after hygrothermal environment；
(3) present invention use acrylic graft-modified type siloxane toughener improve PC 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.
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/SMA material, by following component and content
It is prepared from: Merlon 70 parts, response type compatilizer 2 parts, SMA 20 parts, acrylic graft-modified
10 parts, 0.2 part antioxidant 1076 of type siloxane toughener, 0.2 part of irgasfos 168.Described response type phase
The SAG-001 of the liter macromolecule new material Science and Technology Ltd. holding that agent is Nantong day；Described SMA is
The SMA-SZ23110 of POLYSCOPE；Described acrylic graft-modified type siloxane toughener is Rhizoma Sparganii
The metablen S2006 polysiloxanes acrylic acid compounded rubber of Li Yang Co., Ltd..Preparation method: by proportioning
Weigh each raw material, first by response type compatilizer and Merlon and antioxidant blending extrusion, PC is reacted
End-blocking, the molten finger of PC after extrusion is increased to 12g/10min (300 DEG C of * 1.2kg)；The end-blocking PC that will prepare
With SMA, acrylic graft-modified type siloxane toughener, antioxidant blending extrusion pelletize；The grain that will obtain
Son 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/SMA material, by following component and content
It is prepared from: Merlon 65 parts, response type compatilizer 1 part, PU foam bonding agent 10 parts, acrylic acid
5 parts, 0.5 part antioxidant 1076 of graft modification type siloxane toughener, 0.5 part of irgasfos 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 graft-modified siloxanes
Class toughener is the metablen S2006 polysiloxanes acrylic acid compounded rubber of Mitsubishi Rayon Co., Ltd.System
Preparation Method: weigh each raw material by proportioning, first by response type compatilizer and Merlon and antioxidant blending extrusion,
PC carries out reaction end-blocking, and the molten finger of PC after extrusion is increased to 12g/10min (300 DEG C of * 1.2kg)；Will system
End-blocking PC and the PU foam bonding agent got ready, acrylic graft-modified type siloxane toughener, antioxidant are common
Mixed extruding pelletization；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/SMA material, by following component and content
It is prepared from: Merlon 75 parts, response type compatilizer 2.5 parts, PU foam bonding agent 35 parts, propylene
Acid 15 parts, 1 part antioxidant 1076 of graft modification type siloxane toughener, 1 part of irgasfos 168.Described
Response type compatilizer is ethylene-methyl acrylate-glyceryl methacrylate random terpolymer
(EMA-g-GMA)；Described PU foam bonding agent is that ethanol is grafted SMA；Described acrylic acid-grafted change
Property type siloxane toughener be Mitsubishi Rayon Co., Ltd metablen S2006 polysiloxanes acrylic acid be combined
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℃*1.2kg)；By the end-blocking PC prepared and PU foam bonding agent, acrylic graft-modified silica
Alkanes toughener, antioxidant blending extrusion pelletize；The particle obtained is molded into model and ISO type test specimens
Bar.
Embodiment 4
A kind of wet and heat ageing resistant, high PU foam bond strength PC/SMA material, by following component and content
It is prepared from: Merlon 60 parts, response type compatilizer 0.1 part, PU foam bonding agent 3 parts, propylene
Acid 0.1 part, 0.05 part antioxidant 1076 of graft modification type siloxane toughener, 0.05 part of irgasfos 168.Institute
The response type compatilizer stated is polyolefin elastomer graft glycidyl methacrylate (POE-g-GMA)；
Described PU foam bonding agent is acrylic ester grafted SMA；Described acrylic graft-modified type siloxane increases
Tough dose is the metablen S2006 polysiloxanes acrylic acid compounded rubber of Mitsubishi Rayon Co., Ltd.Preparation side
Method: weigh each raw material by proportioning is first by response type compatilizer and Merlon and antioxidant blending extrusion, right
PC carries out reaction end-blocking, and the molten finger of PC after extrusion is increased to 12g/10min (300 DEG C of * 1.2kg)；Will preparation
Good end-blocking PC is blended with PU foam bonding agent, acrylic graft-modified type siloxane toughener, antioxidant
Extruding pelletization；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/SMA material, by following component and content
It is prepared from: Merlon 80 parts, response type compatilizer 3 parts, PU foam bonding agent 50 parts, acrylic acid
20 parts, 1.5 parts antioxidant 1076s of graft modification type siloxane toughener, 1.5 parts of irgasfos 168s.Described
Response type compatilizer is polypropylene grafted glycidyl methacrylate (PP-g-GMA)；Described PU foam
Bonding agent is styrene-maleic anhydride copolymer (SMA)；Described acrylic graft-modified type siloxane increases
Tough dose is the metablen S2006 polysiloxanes acrylic acid compounded rubber of Mitsubishi Rayon Co., Ltd.Preparation side
Method: weigh each raw material by proportioning is first by response type compatilizer and Merlon and antioxidant blending extrusion, right
PC carries out reaction end-blocking, and the molten finger of PC after extrusion is increased to 12g/10min (300 DEG C of * 1.2kg)；Will preparation
Good end-blocking PC is blended with PU foam bonding agent, acrylic graft-modified type siloxane toughener, antioxidant
Extruding pelletization；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) 70 parts, 20 parts ABS-8434 (Gaoqiao Petrochemical Company) of PC raw material, 10 parts of rubber powder P/D150 (Korea Spro
State's brocade lake petrochemical industry), 0.2 part of antioxidant 1076,0.2 part of irgasfos 168, blending extrusion pelletize.The grain obtained
Son is molded into model and ISO type test bars.
Comparative example 2
A kind of PC/SMA material, is prepared from by following component and content: Merlon 70 parts, SMA 20
Part, 10 parts, 0.2 part antioxidant 1076 of acrylic graft-modified type siloxane toughener, 0.2 part of antioxidant
168.Described SMA is the SMA-SZ23110 of POLYSCOPE；Described acrylic graft-modified silicon
Oxygen alkanes toughener is the metablen S2006 polysiloxanes acrylic acid compounded rubber of Mitsubishi Rayon Co., Ltd.
Preparation method: weigh each raw material by proportioning, first by Merlon and antioxidant blending extrusion, the PC after extrusion
Molten finger is increased to 12g/10min (300 DEG C of * 1.2kg)；By PC with SMA prepared, acrylic acid-grafted change
Property 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 wet and heat ageing resistant, high PU foam bond strength PC/SMA material, by following component and content
It is prepared from: Merlon 70 parts, response type compatilizer 2 parts, acrylic graft-modified type siloxane are toughness reinforcing
10 parts, 0.2 part antioxidant 1076 of agent, 0.2 part of irgasfos 168.Described response type compatilizer is Nantong day
The SAG-001 of liter macromolecule new material Science and Technology Ltd.；Described acrylic graft-modified type siloxane
Toughener is the metablen S2006 polysiloxanes acrylic acid compounded rubber of Mitsubishi Rayon Co., Ltd.Preparation
Method: weigh each raw material by proportioning, first by response type compatilizer and Merlon and antioxidant blending extrusion,
PC carries out reaction end-blocking, and the molten finger of PC after extrusion is increased to 12g/10min (300 DEG C of * 1.2kg)；Will system
The end-blocking PC got ready and acrylic graft-modified type siloxane toughener, antioxidant blending extrusion pelletize；Will
To particle be molded into model and ISO type test bars.
Comparative example 4
A kind of wet and heat ageing resistant, high PU foam bond strength PC/SMA material, by following component and content
Be prepared from: Merlon 70 parts, response type compatilizer 2 parts, 20 parts, 0.2 part antioxidant 1076 of SMA,
0.2 part of irgasfos 168.The described liter macromolecule new material that response type compatilizer the is Nantong day limited public affairs of science and technology
The SAG-001 of department；Described SMA is the SMA-SZ23110 of POLYSCOPE.Preparation method: by joining
Ratio weighs each raw material, first by response type compatilizer and Merlon and antioxidant blending extrusion, carries out PC instead
Should block, the molten finger of PC after extrusion is increased to 12g/10min (300 DEG C of * 1.2kg)；The end-blocking that will prepare
PC Yu SMA, antioxidant blending extrusion pelletize；The particle obtained is molded into model and ISO type test specimens
Bar.
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 preparation
Good sample 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/SMA material prepared by the present invention and PU foam have relatively
Strong cementation, free-hand tearing is shelled a fritter of every time can only tearing, after having peeled off, plate has been remained thicker
One layer of PU foam；And the foam on the plate surface prepared by comparative example is relatively easily peeled, and can intactly tear
Next monoblock, after having peeled off, plate surface is the brightest and the cleanest, does not remain too many PU foam, even links conjunction
Layer also is able to together peel off, and illustrates that its prepared base material has become excessively poor with the adhesion of PU foam.
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 (7)
1. a wet and heat ageing resistant, high PU foam bond strength PC/SMA material, it is characterized in that, described PC/SMA material is prepared from by following component and content: Merlon 60-80 part, response type compatilizer 0.1-3 part, PU foam bonding agent 3-50 part, acrylic graft-modified type siloxane toughener 0.1-20 part, antioxidant 0.1-3 part；Described PU foam bonding agent is styrene-maleic anhydride copolymer (SMA) or SMA derivant or both combination in any；Described PU foam bonding agent is for improving described PC/SMA material and PU foam bond strength；The described metablen S2006 polysiloxanes acrylic acid compounded rubber that acrylic graft-modified type siloxane toughener is Mitsubishi Rayon Co., Ltd.
PC/SMA material the most according to claim 1, it is characterised in that described response type compatilizer is the response type compatilizer with ethylene oxide group.
PC/SMA material the most according to claim 1 and 2, it is characterized in that, described response type compatilizer is styrene-acrylonitrile-glycidyl methacrylate copolymer (SAG), polypropylene grafted glycidyl methacrylate (PP-g-GMA), ethylene-methyl acrylate-glyceryl methacrylate random terpolymer (EMA-g-GMA) or polyolefin elastomer graft glycidyl methacrylate (POE-g-GMA).
PC/SMA material the most according to claim 1, it is characterised in that described SMA derivant is Sulfonated Copolymer of Styrene and Maleic Anhydride (SSMA), ethanol grafting SMA or acrylic ester grafted SMA.
PC/SMA material the most according to claim 1, it is characterised in that described antioxidant is that antioxidant 1076 mixes for 1:1 in mass ratio with irgasfos 168.
6. the purposes of the arbitrary described PC/SMA material of claim 1-5, it is characterised in that the application in preparing vehicular meter framework of the described PC/SMA material, prepared instrument board framework has high PU foam bond strength.
7. the preparation method of the PC/SMA material as described in claim 1-5 is arbitrary, it is characterised in that the method comprises the steps:
(1) weigh each raw material by proportioning, by Merlon and response type compatilizer and antioxidant blending extrusion, Merlon is blocked；
(2) by the end-blocking PC prepared and PU foam bonding agent, acrylic graft-modified type siloxane toughener blending extrusion pelletize, product is obtained.
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| 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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| CN102399424A (en) * | 2010-09-08 | 2012-04-04 | 上海纳米技术及应用国家工程研究中心有限公司 | Polycarbonate/acrylonitrile-styrene-acrylate copolymer alloy material and preparation method thereof |
| CN104693731A (en) * | 2013-12-08 | 2015-06-10 | 青岛佳亿阳工贸有限公司 | Antistatic fiber reinforced toughened PC / PET blending alloy |
| CN104693724A (en) * | 2013-12-04 | 2015-06-10 | 青岛佳亿阳工贸有限公司 | PC/PET alloy with excellent aging resistance |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102399424A (en) * | 2010-09-08 | 2012-04-04 | 上海纳米技术及应用国家工程研究中心有限公司 | Polycarbonate/acrylonitrile-styrene-acrylate copolymer alloy material and preparation method thereof |
| CN104693724A (en) * | 2013-12-04 | 2015-06-10 | 青岛佳亿阳工贸有限公司 | PC/PET alloy with excellent aging resistance |
| CN104693731A (en) * | 2013-12-08 | 2015-06-10 | 青岛佳亿阳工贸有限公司 | Antistatic fiber reinforced toughened PC / PET blending alloy |
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