CN106750998A - A kind of novel flame-retardant PP foam material and preparation method thereof - Google Patents
A kind of novel flame-retardant PP foam material and preparation method thereof Download PDFInfo
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- CN106750998A CN106750998A CN201611216547.0A CN201611216547A CN106750998A CN 106750998 A CN106750998 A CN 106750998A CN 201611216547 A CN201611216547 A CN 201611216547A CN 106750998 A CN106750998 A CN 106750998A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
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- C—CHEMISTRY; METALLURGY
- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C—CHEMISTRY; METALLURGY
- 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
- C08J9/04—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
-
- C—CHEMISTRY; METALLURGY
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—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
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/14—Copolymers of propene
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- C—CHEMISTRY; METALLURGY
- 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
- 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
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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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
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
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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
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
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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 invention discloses a kind of novel flame-retardant PP foam material and preparation method thereof, it is made up of the raw material of following weight percents：PP resins 52~80%, fire retardant 10~20%, PP g MAH 5~10%, toughener 3~6%, foaming agent master batch 0.5~10%, antioxidant 0.1~1%, other additives 0~2%.It is an advantage of the invention that：1st, the lignin used in the present invention is widely present, and is readily available, biodegradable.The expanded material simple production process of preparation, low cost, easily industrialization.2nd, PP foam material proposed by the present invention possesses good impact property and fire resistance.
Description
Technical field
The present invention relates to a kind of novel flame-retardant PP foam material and preparation method thereof, belong to polymer modification and processing
Technical field.
Background technology
PP foam material has heat resistance higher, low heat conductivity, low water vapo(u)r transmission, high-energy absorption
And compressibility, also with environment-friendly, it is easy to the features such as reclaiming, it is widely used in auto industry and food packaging applications.But
Because oxygen index (OI) is very low, easily burn, particularly expanded molded article is than non-foamed moulded products more easy firing.People in recent years
Required with anti-flammability or self-gravitation for auto parts and components, construction material and electric components, therefore assign polypropylene
The certain anti-flammability tool of expanded material is of great significance.
Lignin is widely present as one kind, reproducible valuable source, is answered degradable, reproducible macromolecule is prepared
Condensation material aspect has important development prospect.The composite polyolefine material of lignin filling, lignin can as it is a kind of preferably into
Fire retardation is played in charcoal agent.Montmorillonite can not only improve polymer as a kind of silicate material with lamellar structure
Intensity, rigidity and morphotropism, and the heat endurance and barrier properties for gases of composite can be improved.
The content of the invention
It is an object of the invention to provide a kind of cost is relatively low, good flame retardation effect, excellent impact property is provided simultaneously with
Novel flame-retardant PP foam material and preparation method thereof.
The purpose of the present invention is achieved through the following technical solutions.
A kind of novel flame-retardant PP foam material, is made up of the raw material of following weight percents：
Wherein,
Described polypropylene is HOPP or COPP one or two compositions, and its melt flow rate (MFR) is
5~30g/10min.
Described fire retardant is one or two compositions in lignin or organic clay.Wherein lignin is wood pulp wood
Quality, without any modification；Organic clay is the montmorillonite being modified through amine series organic compound.
The grafting rate of described PP-g-MAH is 0.8~1.5%.
Described toughener is a kind of copolymer of ethylene-octene, and density is 0.86~0.90g/cm3, its melt flows
Speed is 0.5~10g/10min.
Described foaming agent master batch is by carrier that weight fraction is 30~60%, 5~30% foaming agents, 0.5~2% foaming
Auxiliary agent is constituted.Wherein foam the preferred polyethylene of agent carrier, the preferred sodium acid carbonate of foaming agent, blowing promotor optimization citric acid.
Described antioxidant includes primary antioxidant and auxiliary anti-oxidant, during wherein primary antioxidant is 1010,3114 and DSTP
The composition of one or more；Auxiliary anti-oxidant is the composition of one or more in 168 and 618.
Other described additives are various light stabilizers, nucleator or Masterbatch.
The preparation method of novel flame-retardant PP foam material described above is as follows：
1) by the polypropylene in addition to foaming agent, fire retardant, PP-g-MAH, toughener and antioxidant, other additives add
Enter mixing in high-speed mixer, be then added to extruding pelletization in double screw extruder, be made flame retardation modification polypropylene compound material；
2) mix in 30~60 parts of carriers, 5~30 parts of foaming agents, 0.5~2 part of blowing promotor being added into high-speed mixer,
It is then added to extruding pelletization in double screw extruder, producing foamed agent master batch；
3) flame retardation modification polypropylene compound is well mixed with foaming agent master batch, using injection molding forming method, in twice-die-opening bar
Expanded polypropylene material is prepared under part.
It is an advantage of the invention that：
1st, the lignin used in the present invention is widely present, and is readily available, biodegradable.The expanded material production of preparation
Process is simple, low cost, easily industrialization.
2nd, PP foam material proposed by the present invention possesses good impact property and fire resistance.
Specific embodiment
With reference to embodiment, the present invention is described in further detail：
In embodiment and comparative example expanded material formula, PP resins are the COPP of oil of SPC production
M2600R, its melt flow rate (MFR) is 28g/10min.Fire retardant lignin：Organic clay=1:1 compounding.PP- used
The grafting rate of g-MAH is 0.8~1.5%.Foaming agent master batch is made by oneself.Elastomer is the Engage 8180 of E.I.Du Pont Company's production, close
It is 0.863g/cm3 to spend, and its melt flow rate (MFR) is 0.5g/10min.Primary antioxidant is the DSTP that ICE companies of Britain produce, and
The 1010 of Ciba companies product；Auxiliary anti-oxidant is 168 that Ciba companies produce.Additionally include black masterbatch.
Performance evaluation mode and implementation standard:
The flame retardation modification polypropylene compound that will be prepared is mixed with foaming agent master batch, and injection moulding system is carried out on injection (mo(u)lding) machine
Sample, the performance of expanded material is tested according to following standard:
Density measurement：Carried out according to the standards of ISO 1183.
Bending property is tested：Carried out according to the standards of ISO 178.
Notch impact strength is tested：Carried out according to the standards of ISO 179.
Fire resistance is tested：Carried out according to UL-94 standards.
The preparation method of embodiment 1-4 is as follows：
1) flame retardation modification polypropylene compound material is prepared：By the polypropylene in addition to foaming agent, fire retardant, PP-g-MAH, toughness reinforcing
Agent and antioxidant, other additives mix in adding high-speed mixer, are then added to extruding pelletization in double screw extruder, make
Into flame retardation modification polypropylene compound material；
2) foaming agent master batch is prepared：30~60 parts of carriers, 5~30 parts of foaming agents, 0.5~2 part of blowing promotor are added into height
Mix in fast mixer, be then added to extruding pelletization in double screw extruder, producing foamed agent master batch；
3) expanded polypropylene material is prepared：Flame retardation modification polypropylene compound is well mixed with foaming agent master batch, using being molded into
Type method, prepares expanded polypropylene material under the conditions of twice-die-opening.
The formula and properties test result of embodiment and comparative example see below each table：
The embodiment 1~4 of table 1 and material prescription table (weight %) of comparative example 1~2
The embodiment 1~4 of table 2 and the test result of comparative example 1~2
From embodiment 1~3 as can be seen that with the increase of fire retardant and POE contents, the foaming agent using a small amount of ratio is female
Grain, expanded material keeps good impact strength, while having good fire resistance.Embodiment 2,4 and comparative example 1~2 can
To find out, the addition of fire retardant substantially improves the fire resistance of expanded material.
Specific embodiment of the invention is the foregoing is only, but protection scope of the present invention is not limited thereto, it is any
Those familiar with the art the change that can expect without creative work or replaces in the range of the technology of the present invention
Change, should all cover within the scope of the present invention.
Claims (10)
1. a kind of novel flame-retardant PP foam material, it is characterised in that：It is made up of the raw material of following weight percents：
2. a kind of novel flame-retardant PP foam material according to claim 1, it is characterised in that：Described polypropylene is
HOPP or COPP one or two compositions, its melt flow rate (MFR) are 5~30g/10min.
3. a kind of novel flame-retardant PP foam material according to claim 1, it is characterised in that：Described fire retardant is
One or two compositions in lignin or organic clay；Wherein, described lignin is wood pulp lignin, is changed without any
Property treatment；Organic clay is the montmorillonite being modified through amine series organic compound.
4. a kind of novel flame-retardant PP foam material according to claim 1, it is characterised in that：Described PP-g-MAH
Grafting rate be 0.8~1.5%.
5. a kind of novel flame-retardant PP foam material according to claim 1, it is characterised in that：Described toughener is
A kind of copolymer of ethylene-octene, density is 0.86~0.90g/cm3, its melt flow rate (MFR) is 0.5~10g/10min.
6. a kind of novel flame-retardant PP foam material according to claim 1, it is characterised in that：Described foaming agent is female
Grain is made up of carrier that weight fraction is 30~60%, 5~30% foaming agents, 0.5~2% blowing promotor.
7. a kind of novel flame-retardant PP foam material according to claim 6, it is characterised in that：Described foaming agent is carried
Body is polyethylene, and foaming agent is sodium acid carbonate, and blowing promotor is citric acid.
8. a kind of novel flame-retardant PP foam material according to claim 1, it is characterised in that：Described antioxidant packages
Include primary antioxidant and auxiliary anti-oxidant, wherein primary antioxidant be 1010,3114 and DSTP in the composition of one or more；It is auxiliary anti-
Oxygen agent is the composition of one or more in 168 and 618.
9. a kind of novel flame-retardant PP foam material according to claim 1, it is characterised in that：Other described additions
Agent is various light stabilizers, nucleator or Masterbatch.
10., according to the preparation method of one of any described novel flame-retardant PP foam materials of claim 1-9, its feature exists
In：Its step is as follows：
1) by the polypropylene in addition to foaming agent, fire retardant, PP-g-MAH, toughener and antioxidant, other additives add high
Mix in fast mixer, be then added to extruding pelletization in double screw extruder, be made flame retardation modification polypropylene compound material；
2) mix in 30~60 parts of carriers, 5~30 parts of foaming agents, 0.5~2 part of blowing promotor being added into high-speed mixer, then
It is added to extruding pelletization in double screw extruder, producing foamed agent master batch；
3) flame retardation modification polypropylene compound is well mixed with foaming agent master batch, using injection molding forming method, under the conditions of twice-die-opening
Prepare expanded polypropylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611216547.0A CN106750998A (en) | 2016-12-26 | 2016-12-26 | A kind of novel flame-retardant PP foam material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611216547.0A CN106750998A (en) | 2016-12-26 | 2016-12-26 | A kind of novel flame-retardant PP foam material and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108250577A (en) * | 2018-01-17 | 2018-07-06 | 杭州汉克斯隔音技术工程有限公司 | A kind of expanded polypropylene beads and its preparation process of fire-retardant low heat conduction |
| CN108410065A (en) * | 2018-04-04 | 2018-08-17 | 山东恒信基塑业股份有限公司 | A kind of fire-retardant sound insulation anti-biotic material of automotive trim |
| CN110317399A (en) * | 2019-06-29 | 2019-10-11 | 浙江大学 | Expanded flame-retardant polypropylene lightweighting materials and its continuous extrusion foaming preparation method |
| CN115368680A (en) * | 2022-09-30 | 2022-11-22 | 金发科技股份有限公司 | Polypropylene micro-foaming material and preparation method and application thereof |
| CN115477813A (en) * | 2022-11-01 | 2022-12-16 | 飞荣达科技(江苏)有限公司 | PP-based composite material for electromagnetic shielding and preparation method thereof |
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2016
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108250577A (en) * | 2018-01-17 | 2018-07-06 | 杭州汉克斯隔音技术工程有限公司 | A kind of expanded polypropylene beads and its preparation process of fire-retardant low heat conduction |
| CN108410065A (en) * | 2018-04-04 | 2018-08-17 | 山东恒信基塑业股份有限公司 | A kind of fire-retardant sound insulation anti-biotic material of automotive trim |
| CN110317399A (en) * | 2019-06-29 | 2019-10-11 | 浙江大学 | Expanded flame-retardant polypropylene lightweighting materials and its continuous extrusion foaming preparation method |
| CN110317399B (en) * | 2019-06-29 | 2020-11-13 | 浙江大学 | Expanded flame-retardant polypropylene lightweight material and continuous extrusion foaming preparation method thereof |
| CN115368680A (en) * | 2022-09-30 | 2022-11-22 | 金发科技股份有限公司 | Polypropylene micro-foaming material and preparation method and application thereof |
| CN115368680B (en) * | 2022-09-30 | 2023-06-20 | 金发科技股份有限公司 | Polypropylene micro-foaming material and preparation method and application thereof |
| CN115477813A (en) * | 2022-11-01 | 2022-12-16 | 飞荣达科技(江苏)有限公司 | PP-based composite material for electromagnetic shielding and preparation method thereof |
| CN115477813B (en) * | 2022-11-01 | 2024-02-20 | 飞荣达科技(江苏)有限公司 | PP-based composite material for electromagnetic shielding and preparation method thereof |
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