CN109337326A - A kind of microporous foam glass fiber reinforced PC-PETG alloy material and preparation method thereof - Google Patents
A kind of microporous foam glass fiber reinforced PC-PETG alloy material and preparation method thereof Download PDFInfo
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- CN109337326A CN109337326A CN201810938307.4A CN201810938307A CN109337326A CN 109337326 A CN109337326 A CN 109337326A CN 201810938307 A CN201810938307 A CN 201810938307A CN 109337326 A CN109337326 A CN 109337326A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
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- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
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- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
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Abstract
The present invention provides a kind of microporous foam glass fiber reinforced PC-PETG alloy materials, which is characterized in that composed of the following components by weight percentage: glass fiber reinforced PC-PETG alloy material 95-99.9%, foaming agent 0.1-5%；Glass fiber reinforced PC-PETG the alloy material is prepared by following weight percent: PC30-80%；PETG10-30%；Glass fiber powder 10-30%；React compatilizer 1-5%；Antioxidant 0.2-1%；Lubricant 0.5-0.1%.The present invention reduces the tension of PC-PETG alloy two-phase interface by addition response type compatilizer ethylene-acrylate-glycidyl methacrylate terpolymer, the cohesive force at interface is improved to promote the thermal stability and compatibility of PC-PETG alloy material, the melt strength of PC-PETG alloy material is improved simultaneously, draw ratio of the glass fiber powder of use due to remaining very little in the material, cell collapse during injection foaming can be mitigated, the generation of abscess merging phenomenon, it is fine and closely woven uniformly that abscess finally can be obtained, microporous foam glass fiber reinforced PC-PETG the alloy material of good mechanical properties.The present invention also provides a kind of preparation methods of microporous foam glass fiber reinforced PC-PETG alloy material, and easy to operate, condition is easily-controllable, low in cost, low for equipment requirements, are suitable for industrialized production.
Description
[technical field]
The present invention relates to technical field of polymer materials more particularly to a kind of microporous foam glass fiber reinforced PC-PETG alloys
Material and preparation method thereof.
[background technique]
With the development of science and technology this theory of product lightweight has penetrated into all trades and professions, polymeric foamable material is
It is passed through a certain amount of gas in a polymer matrix, the density of product is reduced, to can reach the light-weighted purpose of product, together
When have many advantages, such as that light weight, injection cycle be short, heat-insulated, sound insulation, therefore polymeric foamable material is by industry extensive concern.
Glass fiber reinforced PC-PETG alloy material combines the excellent characteristics of two kinds of materials, improves mobility compared with PC, changes
It has been apt to processing performance, has reduced the easy stress cracking of PC material and not solvent-proof sensibility, meanwhile, glass fiber powder addition can mention
The intensity of high material, the problems such as reducing the buckling deformation of product.It is widely used in the products such as LED support, electronic apparatus.However
Microporous foam glass fiber reinforced PC-PETG alloy material due to glass fibre presence, if glass fibre remains in the material
Bigger draw ratio, foamed material are difficult in injection moulding process to support the generation of bubble, are easy to appear abscess and collapse, rupture
Phenomenon.The present invention by addition response type compatilizer ethylene-acrylate-glycidyl methacrylate terpolymer come
The tension for reducing PC-PETG alloy two-phase interface, it is steady to promote the heat of PC-PETG alloy material to improve the cohesive force at interface
Qualitative and compatibility, while the melt strength of PC-PETG alloy material is improved, the glass fiber powder of use is due in the material
The draw ratio of very little is remained, the generation of cell collapse, abscess merging phenomenon during injection foaming can be mitigated, can finally be obtained
The fine and closely woven uniformly, microporous foam glass fiber reinforced PC-PETG alloy material of good mechanical properties to abscess.
[summary of the invention]
The present invention is to solve the deficiencies in the prior art, provides a kind of microporous foam glass fiber reinforced PC-PETG alloy material, separately
On the one hand the preparation method of the material is provided.
In order to achieve the goal above, technical scheme is as follows:
A kind of microporous foam glass fiber reinforced PC-PETG alloy material, composed of the following components by weight percentage: glass increases
Strong PC-PETG alloy material 95-99.9%, foaming agent 0.1-5%；Glass fiber reinforced PC-PETG the alloy material is by following
Weight percent is prepared:
Further, PC is the bisphenol A type resin of molecular weight 22000-26000.
Further, PETG is injection grade.
Further, glass fibre be alkali-free chopped glass fiber powder, length 0.1-0.2mm, 7-11 μm of filament diameter.
Further, compatilizer is ethylene-acrylate-glycidyl methacrylate terpolymer.
Further, foaming agent is two amine carbonate of azo, toluene sulfonephthalein amino rises abruptly, 5- phenyltetrazole at least one and PC lead to
It crosses obtained by extruding pelletization.
Further, antioxidant is compounding for primary antioxidant and auxiliary antioxidant, and primary antioxidant is β-(3,5- bis- tertiary fourths
Base -4- hydroxy phenyl) propionic acid n-octadecyl alcohol ester, auxiliary antioxidant is phosphorous acid three (2,4- di-tert-butyl) ester.
Further, lubricant is polytetrafluoroethylene (PTFE) and/or pentaerythritol stearate.
A kind of preparation method of microporous foam glass fiber reinforced PC-PETG alloy material described in claim 1, including it is following
Step:
(1) weight percent according to claim 1 successively weighs each component, and weighed PC, PETG, reaction is compatible
Agent, antioxidant and lubricant mix 5-10 minutes in a high speed mixer；
(2) by double screw extruder melting extrusion, glass fiber powder side feed is added, and through cooling, pelletizing, obtains glass increasing
Strong PC-PETG alloy material, wherein the temperature setting of double screw extruder in step (2) are as follows: 200-220 DEG C of an area, 2nd area
230-250 DEG C, three 230-250 DEG C of areas, four 230-250 DEG C of areas, five 230-250 DEG C of areas, six 230-250 DEG C of areas, seven area 230-250
DEG C, eight 230-250 DEG C of areas, 230-250 DEG C of head temperature, extruder screw revolving speed is controlled in 300-380r/min；
(3) glass fiber reinforced PC-PETG alloy material made from is uniformly mixed with foaming agent, and carries out micropore by injection molding machine
Injection foaming molding, injection molding machine temperature of each section are as follows: 220-240 DEG C of an area, two 230-250 DEG C of areas, three 230-250 DEG C of areas, and four
240-260 DEG C of area, five 250-270 DEG C of areas.
The invention has the benefit that
The present invention passes through addition response type compatilizer ethylene-acrylate-glycidyl methacrylate ternary polymerization
Object reduces the tension of PC-PETG alloy two-phase interface, improves the cohesive force at interface to promote PC-PETG alloy material
Thermal stability and compatibility, while the melt strength of PC-PETG alloy material is improved, the glass fiber powder of use is due in material
The draw ratio of very little is remained in material, can mitigate the generation of cell collapse, abscess merging phenomenon during injection foaming, finally
Fine and closely woven uniform, good mechanical properties the microporous foam glass fiber reinforced PC-PETG alloy material of abscess can be obtained.
[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.
A kind of microporous foam glass fiber reinforced PC-PETG alloy material, composed of the following components by weight percentage: glass increases
Strong PC-PETG alloy material 95-99.9%, foaming agent 0.1-5%；Glass fiber reinforced PC-PETG the alloy material is by following
Weight percent is prepared:
Wherein PC resin, which is selected, glues PC 1000R in Sha Bai radical innovations company；
Wherein PETG resin selects the PN200 of South Korea SK company, injection grade；
Wherein glass fiber powder selects Chongqing world alkali-free chopped glass fiber powder, length 0.1-0.2mm, filament diameter 7-11 μ
m；
Wherein compatilizer selects ethylene-acrylate-glycidyl methacrylate terpolymer of A Kema
AX8900；
Wherein primary antioxidant selects the 1076 of ciba company, and auxiliary antioxidant selects ciba company 168；
The wherein pentaerythritol stearate (PETS) that lubricant selects U.S. dragon husky；
Wherein foaming agent selects the TSSC of the biological Co., Ltd of Hubei giant dragon hall.
The preparation method of following embodiment glass fiber reinforced PC-PETG alloy material of the present invention, comprising the following steps:
(1) weight percent according to claim 1 successively weighs each component, and weighed PC, PETG, reaction is compatible
Agent, antioxidant and lubricant mix 5-10 minutes in a high speed mixer；
(2) by double screw extruder melting extrusion, glass fiber powder side feed is added, and through cooling, pelletizing, obtains glass increasing
Strong PC-PETG alloy material, wherein the temperature setting of double screw extruder in step (2) are as follows: 200-220 DEG C of an area, 2nd area
230-250 DEG C, three 230-250 DEG C of areas, four 230-250 DEG C of areas, five 230-250 DEG C of areas, six 230-250 DEG C of areas, seven area 230-250
DEG C, eight 230-250 DEG C of areas, 230-250 DEG C of head temperature, extruder screw revolving speed is controlled in 300-380r/min；
(3) glass fiber reinforced PC-PETG alloy material made from is uniformly mixed with foaming agent, and carries out micropore by injection molding machine
Injection foaming molding, injection molding machine temperature of each section are as follows: 220-240 DEG C of an area, two 230-250 DEG C of areas, three 230-250 DEG C of areas, and four
240-260 DEG C of area, five 250-270 DEG C of areas.
Combined with specific embodiments below, the present invention is described in detail for comparative example:
Comparative example 1:
By quality, by 69.2 parts of PC resins, 20 parts of PETG resins, 0.1 part of antioxidant 1076,0.2 part of irgasfos 168,0.5
Part lubricant PETS is put into high-speed mixer, is mixed 6 minutes and is taken out at room temperature；Above-mentioned mixed uniformly blend composition is passed through double
Screw extruder melting extrusion, 10 parts of glass side feeds are added, and through supercooling, are granulated, and the glass fiber reinforced PC-PETG that will be obtained
Alloy material, pellet is 3 hours dry in drying box at a temperature of 90 °C, then takes 98 parts of dried glass fiber reinforced PCs-
PETG alloy material is uniformly mixed with 2 parts of foaming agents, and injection molding machine is added and carries out micropore injection moulding foaming, obtains microporous foam glass
The PC-PETG alloy material of enhancing.
Comparative example 2:
By quality, by 69.2 parts of PC resins, 20 parts of PETG resins, 0.1 part of antioxidant 1076,0.2 part of irgasfos 168,0.5
Part lubricant PETS is put into high-speed mixer, is mixed 6 minutes and is taken out at room temperature；Above-mentioned mixed uniformly blend composition is passed through double
Screw extruder melting extrusion, 10 parts of glass fiber powder side feeds are added, and through supercooling, are granulated, and by obtained fiberglass reinforced
PC-PETG alloy material, pellet is 3 hours dry in drying box at a temperature of 90 °C, and 96 parts of dried glasses is then taken to increase
Strong PC-PETG alloy material is uniformly mixed with 4 parts of foaming agents, and injection molding machine is added and carries out micropore injection moulding foaming, obtains microporous foam
The PC-PETG alloy material of fiberglass reinforced.
Embodiment 1:
By quality, by 68.2 parts of PC resins, 20 parts of PETG resins, 1 part of compatilizer PTW, 0.1 part of antioxidant 1076,0.2
Part irgasfos 168,0.5 part of lubricant PETS are put into high-speed mixer, are mixed 6 minutes and are taken out at room temperature；It will be above-mentioned uniformly mixed
The blend composition of conjunction is added by double screw extruder melting extrusion, 10 parts of glass fiber powder side feeds, through supercooling, is granulated, and will
Obtained PC-PETG alloy material pellet is 3 hours dry in drying box at a temperature of 90 °C, then takes 98 parts of dried glass
Fiber reinforced PC-PETG material is uniformly mixed with 2 parts of foaming agents, and injection molding machine is added and carries out micropore injection moulding foaming, obtains microporous foam
PC-PETG alloy material.
Embodiment 2:
By quality, by 64.2 parts of PC resins, 20 parts of PETG resins, 5 parts of compatilizer PTW, 0.1 part of antioxidant 1076,0.2
Part irgasfos 168,0.5 part of lubricant PETS are put into high-speed mixer, are mixed 6 minutes and are taken out at room temperature；It will be above-mentioned uniformly mixed
The blend composition of conjunction is added by double screw extruder melting extrusion, 10 parts of glass fiber powder side feeds, through supercooling, is granulated, and will
The PC-PETG alloy material pellet of obtained fiberglass reinforced is 3 hours dry in drying box at a temperature of 90 °C, then takes 98 parts
Dried glass fiber reinforced PC-PETG material is uniformly mixed with 2 parts of foaming agents, and injection molding machine is added and carries out micropore injection moulding foaming, obtains
To the PC-PETG alloy material of microporous foam fiberglass reinforced.
Embodiment 3:
By quality, by 68.2 parts of PC resins, 20 parts of PETG resins, 1 part of compatilizer PTW, 0.1 part of antioxidant 1076,0.2
Part irgasfos 168,0.5 part of lubricant PETS are put into high-speed mixer, are mixed 6 minutes and are taken out at room temperature；It will be above-mentioned uniformly mixed
The blend composition of conjunction is added by double screw extruder melting extrusion, 10 parts of glass fiber powder side feeds, through supercooling, is granulated, and will
The PC-PETG alloy material pellet of obtained fiberglass reinforced is 3 hours dry in drying box at a temperature of 90 °C, then takes 96 parts
Dried glass fiber reinforced PC-PETG material is uniformly mixed with 4 parts of foaming agents, and injection molding machine is added and carries out micropore injection moulding foaming, obtains
To the PC-PETG alloy material of microporous foam fiberglass reinforced.
Embodiment 4:
By quality, by 64.2 parts of PC resins, 20 parts of PETG resins, 5 parts of compatilizer PTW, 0.1 part of antioxidant 1076,0.2
Part irgasfos 168,0.5 part of lubricant PETS are put into high-speed mixer, are mixed 6 minutes and are taken out at room temperature；It will be above-mentioned uniformly mixed
The blend composition of conjunction is added by double screw extruder melting extrusion, 10 parts of glass fiber powder side feeds.It through supercooling, is granulated, and will
The PC-PETG alloy material pellet of obtained fiberglass reinforced is 3 hours dry in drying box at a temperature of 90 °C, then takes 96
Dried glass fiber reinforced PC-PETG the material of part is uniformly mixed with 4 parts of foaming agents, and injection molding machine is added and carries out micropore injection moulding foaming,
Obtain the PC-PETG alloy material of microporous foam fiberglass reinforced.
Embodiment 5:
By quality, by 44.2 parts of PC resins, 20 parts of PETG resins, 5 parts of compatilizer PTW, 0.1 part of antioxidant 1076,0.2
Part irgasfos 168,0.5 part of lubricant PETS are put into high-speed mixer, are mixed 6 minutes and are taken out at room temperature；It will be above-mentioned uniformly mixed
The blend composition of conjunction is added by double screw extruder melting extrusion, 30% side feed of glass fiber powder.It through supercooling, is granulated, and will
The PC-PETG alloy material pellet of obtained fiberglass reinforced is 3 hours dry in drying box at a temperature of 90 °C, then takes 96
Dried glass fiber reinforced PC-PETG the material of part is uniformly mixed with 4 parts of foaming agents, and injection molding machine is added and carries out micropore injection moulding foaming,
Obtain the PC-PETG alloy material of microporous foam fiberglass reinforced.
Performance test and evaluation:
In carrying out micropore injection moulding foaming process, it is to be ensured that each opening stroke is consistent, thus to obtain density and performance
More stable micro-foaming material.
By alloy material obtained in comparative example 1 to 2 and embodiment 1 to 5, injection molding is standard sample on injection molding machine,
Products obtained therefrom properties test result is listed in table 1:
Table 1: test performance result
Embodiment 1,2 is compared with comparative example 1, at the same embodiment 3,4 and comparative example 2 be compared it is found that plus
Enter after reacting compatilizer, the material properties of fiberglass reinforced microporous foam PC-PETG alloy are all improved, with compatible
Agent additive amount increases, and the performance boost of alloy material is more obvious.Comparative example 1 and comparative example 2 are compared, while by embodiment
1,2 and embodiment 3,4 compare it is found that with foaming agents content increase, the loss of weight ratio of material is bigger, but the property of alloy material
It can be declined.Embodiment 4 and embodiment 5 are compared it is found that with glass fibre powder content increase, alloy material
Loss of weight ratio it is substantially the same, while the tensile strength of alloy material, bending strength and bending modulus have very substantially
The promotion of degree, the impact strength of material influence little.By being analyzed above it can be found that response type compatilizer reduces PC-
The tension of PETG alloy two-phase interface, improves the cohesive force at interface, to promote the thermal stability and phase of PC-PETG alloy material
Capacitive, while the melt strength of PC-PETG alloy material is improved, major diameter of the glass fiber powder of use due to retaining very little
Than, cell collapse during injection foaming can be mitigated, abscess merges the generation of phenomenon, finally can be obtained abscess it is fine and closely woven uniformly,
Microporous foam glass fiber reinforced PC-PETG the alloy material of good mechanical properties.
The foregoing is merely the preferred embodiment of the present invention, protection scope of the present invention is not limited in above-mentioned embodiment party
Formula, all technical solutions for belonging to the principle of the invention all belong to the scope of protection of the present invention.For those skilled in the art and
Speech, several improvement carried out without departing from the principle of the present invention, these improvement also should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of microporous foam glass fiber reinforced PC-PETG alloy material, which is characterized in that by weight percentage by following components group
At: glass fiber reinforced PC-PETG alloy material 95-99.9%, foaming agent 0.1-5%；Glass fiber reinforced PC-PETG the alloy material
Material is prepared by following weight percent:
2. a kind of microporous foam glass fiber reinforced PC-PETG alloy material according to claim 1, which is characterized in that described
PC is the bisphenol A type resin of molecular weight 22000-26000.
3. a kind of microporous foam glass fiber reinforced PC-PETG alloy material according to claim 1, which is characterized in that described
PETG is injection grade.
4. a kind of microporous foam glass fiber reinforced PC-PETG alloy material according to claim 1, which is characterized in that described
Glass fibre be alkali-free chopped glass fiber powder, length 0.1-0.2mm, 7-11 μm of filament diameter.
5. a kind of microporous foam glass fiber reinforced PC-PETG alloy material according to claim 1, which is characterized in that described
Compatilizer is ethylene-acrylate-glycidyl methacrylate terpolymer.
6. a kind of microporous foam glass fiber reinforced PC-PETG alloy material according to claim 1, which is characterized in that described
Foaming agent is two amine carbonate of azo, toluene sulfonephthalein amino rises abruptly, 5- phenyltetrazole at least one and PC are as obtained by extruding pelletization.
7. a kind of microporous foam glass fiber reinforced PC-PETG alloy material according to claim 1, which is characterized in that described
Antioxidant is compounding for primary antioxidant and auxiliary antioxidant, and primary antioxidant is β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid
Positive octadecanol ester, auxiliary antioxidant are phosphorous acid three (2,4- di-tert-butyl) ester.
8. a kind of microporous foam glass fiber reinforced PC-PETG material according to claim 1, which is characterized in that the lubrication
Agent is polytetrafluoroethylene (PTFE) and/or pentaerythritol stearate.
9. a kind of preparation method of microporous foam glass fiber reinforced PC-PETG alloy material described in claim 1, feature exist
In, comprising the following steps:
(1) weight percent according to claim 1 successively weighs each component, by weighed PC, PETG, reaction compatilizer,
Antioxidant and lubricant mix 5-10 minutes in a high speed mixer；
(2) by double screw extruder melting extrusion, glass fiber powder side feed is added, and through cooling, pelletizing, obtains fiberglass reinforced
PC-PETG alloy material, wherein the temperature setting of double screw extruder in step (2) are as follows: 200-220 DEG C of an area, two area 230-
250 DEG C, three 230-250 DEG C of areas, four 230-250 DEG C of areas, five 230-250 DEG C of areas, six 230-250 DEG C of areas, seven 230-250 DEG C of areas,
Eight 230-250 DEG C of areas, 230-250 DEG C of head temperature, extruder screw revolving speed is controlled in 300-380r/min；
(3) glass fiber reinforced PC-PETG alloy material made from is uniformly mixed with foaming agent, and carries out micropore injection moulding by injection molding machine
Foaming, injection molding machine temperature of each section are as follows: 220-240 DEG C of an area, two 230-250 DEG C of areas, three 230-250 DEG C of areas, 4th area
240-260 DEG C, five 250-270 DEG C of areas.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111073230A (en) * | 2019-12-27 | 2020-04-28 | 会通新材料股份有限公司 | Low-dielectric-constant PC/PBT alloy material and preparation method thereof |
| CN115353724A (en) * | 2022-08-12 | 2022-11-18 | 金发科技股份有限公司 | High-infrared-transmission glass fiber reinforced polycarbonate composition and preparation method and application thereof |
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| CN104693767A (en) * | 2014-12-15 | 2015-06-10 | 深圳市富恒新材料股份有限公司 | Glass fiber reinforced PC alloy material and preparation method thereof |
| CN106674963A (en) * | 2016-12-26 | 2017-05-17 | 上海普利特化工新材料有限公司 | Microporous foamed PC (polycarbonate)-ABS (acrylonitrile butadiene styrene) alloy material and preparation method thereof |
| CN108178877A (en) * | 2017-12-19 | 2018-06-19 | 会通新材料股份有限公司 | A kind of automobile-used polypropylene chemical micro foaming composite material and preparation method thereof |
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| CN111073230A (en) * | 2019-12-27 | 2020-04-28 | 会通新材料股份有限公司 | Low-dielectric-constant PC/PBT alloy material and preparation method thereof |
| CN115353724A (en) * | 2022-08-12 | 2022-11-18 | 金发科技股份有限公司 | High-infrared-transmission glass fiber reinforced polycarbonate composition and preparation method and application thereof |
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