CN106893167A - Flame retardant polyethylene material - Google Patents
Flame retardant polyethylene material Download PDFInfo
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- CN106893167A CN106893167A CN201510954891.9A CN201510954891A CN106893167A CN 106893167 A CN106893167 A CN 106893167A CN 201510954891 A CN201510954891 A CN 201510954891A CN 106893167 A CN106893167 A CN 106893167A
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- Prior art keywords
- flame retardant
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- polyethylene material
- polyethylene
- retardant polyethylene
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- 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
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Improve flammable modified polyethylene material of polythene material and preparation method thereof it is an object of the invention to provide one kind.Polyethylene raw material are very sensitive for environmental stress (chemistry and mechanism), and heat-resistant aging is poor.Intensification with people to fire prevention understanding, on the parts such as various equipment, instrument, building, is required to use fire proofing, therefore the fire-retardant of polyethylene is essential being modified.The present invention can significantly improve the fire resistance of polythene material, its flame retardant rating is reached V0.
Description
Technical field
It is specifically a kind of to improve the original deficiency of polyethylene the invention belongs to polythene material production technical field, have it
There is modified polyethylene material of fire resistance and preparation method thereof.
Background technology
Polyethylene, English name：Polyethylene, abbreviation title PE.Its chemical formula is：(C2H4)n.Structural formula is：-
[-CH2-CH2-]-n。
Polyethylene is one of five big synthetic resin.Polyethylene odorless, nontoxic, feel ceraceous, with excellent lower temperature resistance
Energy (reachable -70~-100 DEG C of minimum temperature in use), chemical stability is good, is resistant to the erosion of most of soda acids (intolerant to oxygen
Change the acid of property), common solvent is not dissolved under normal temperature, water imbibition is small, and electrical insulation capability is excellent；But polyethylene is for environmental stress
(chemistry and mechanism) is very sensitive, and heat-resistant aging is poor.
Intensification with people to fire prevention understanding, on the parts such as various equipment, instrument, building, is required to using fire-retardant
Material, thus it is polyacrylic it is fire-retardant be essential modified.
The content of the invention
Improve the flammable modified polyethylene material of polythene material and its preparation side it is an object of the invention to provide one kind
Method.
Flame retardant polyethylene material is made up of following weight ratio raw material：
High density polyethylene (HDPE)：80~120
TDE：8.0~10.0
Dispersed lubricant：7.0~8.0
Antioxidant：0.8~1.2
Diffusing oil：0.1~0.5
Colouring agent：0.6~1.0
Anti-dripping agent：1.3~1.7
Coupling agent：1.3~1.7
Antimony oxide：2.0~3.0
Inorganic fill：4.0~5.0
Dispersant of the present invention is TAS-2A；Diffusing oil is technical white oil 10#；Antioxidant is the copolymer of ethylene-octene；
Coupling agent be silane, titanate esters or phosphate in one or more；Inorganic fill include calcium carbonate, talcum powder, mica powder,
Kaolin, silica.
The preparation method of the flame retardant polyethylene material, comprises the following steps：First by above-mentioned various raw materials in mixed at high speed
It is dry-mixed 3-5 minutes in device, then be placed in double screw extruder through melting extrusion, cooling, pelletizing, packed products；Wherein, it is double
The area's temperature of screw extruder one is 90-100 DEG C, and 2nd area are 160-190 DEG C, and 3rd area are 200-210 DEG C, and 4th area are 205-210 DEG C；
5th area are 190-200 DEG C, and the residence time is 1-2 minutes, and pressure is 10-15Mpa.
The mechanical property of gained polyethylene anti-flaming material of the invention can reach the standard that uses, and poly- second can be greatly improved
The fire resistance of alkene material, makes polythene material improve security performance when in use.
Specific embodiment
Below by specific embodiment, the present invention is described further, and following examples are only that the present invention is carried out
Illustrate rather than it is limited.
Embodiment 1：
(1) by weight score to weigh each raw material respectively as follows：
High density polyethylene (HDPE)：100
TDE：9.0
Dispersed lubricant (TAS-2A)：7.5
Antioxidant (copolymer of ethylene-octene)：1.0
Diffusing oil (technical white oil 10#)：0.3
Colouring agent：0.8
Anti-dripping agent：1.5
Titanate coupling agent：1.5
Antimony oxide：2.5
Inorganic fill：(silica 4.5 of 4.5 kaolin of calcium carbonate 4.5 talcum powder, 4.5 mica powder 4.5)
(2) it is first that above-mentioned various raw materials are dry-mixed 3-5 minutes in super mixer, then be placed in double screw extruder crowded through melting
Go out, cool down, pelletizing, packed products；Wherein, the area's temperature of double screw extruder one is 90-100 DEG C, and 2nd area are 160-190
DEG C, 3rd area are 200-210 DEG C, and 4th area are 205-210 DEG C；5th area are 190-200 DEG C, and the residence time is 1-2 minutes, and pressure is
10-15Mpa。
Experimental result：
| Characterisitic parameter | Testing standard | Performance indications | Test data |
| ASTM/D 792 | / | 0.96 | |
| 2 melt index g/10min | ASTM/D 1238 | / | 0.67 |
| 3 molding shrinkage % | ASTM/D 955 | / | 1.0 |
| 4 tensile strength MPa | ASTM/D 638 | / | 23 |
| 5 elongation at break % | ASTM/D 638 | / | 400 |
| 6 bending strength MPa | ASTM/D 790 | / | 24 |
| 7 bending modulus MPa | ASTM/D 790 | / | 900 |
| 8 Izod notched impact strength I/m | ASTM/D 256 | / | 453.7 |
| 9 heat distortion temperatures DEG C | ASTM/D 648 | / | 77.1 |
| 10 flame retardant ratings | UL-94 | / | V0 |
It is above-mentioned test result indicate that, the fire resistance of polyethylene high flame retardant material obtains extremely significantly improving, resistance
Combustion grade reaches V0 ranks, and remaining mechanical property also gets a promotion and improves.
Embodiment 2：
(1) by weight score to weigh each raw material respectively as follows：
High density polyethylene (HDPE)：80
TDE：8.0
Dispersed lubricant (TAS-2A)：7.0
Antioxidant (copolymer of ethylene-octene)：0.8
Diffusing oil (technical white oil 10#)：0.1
Colouring agent：0.6
Anti-dripping agent：1.3
Titanate coupling agent：1.3
Antimony oxide：2.0
Inorganic fill：(silica 4.0 of 4.0 kaolin of calcium carbonate 4.0 talcum powder, 4.0 mica powder 4.0)
(2) it is first that above-mentioned various raw materials are dry-mixed 3-5 minutes in super mixer, then be placed in double screw extruder crowded through melting
Go out, cool down, pelletizing, packed products；Wherein, the area's temperature of double screw extruder one is 90-100 DEG C, and 2nd area are 150-180
DEG C, 3rd area are 200-210 DEG C, and 4th area are 200-205 DEG C；5th area are 190-200 DEG C, and the residence time is 1-2 minutes, and pressure is
10-15Mpa。
Experimental result：
| Characterisitic parameter | Testing standard | Performance indications | Test data |
| ASTM/D 792 | / | 0.85 | |
| 2 melt index g/10min | ASTM/D 1238 | / | 0.56 |
| 3 molding shrinkage % | ASTM/D 955 | / | 1.3 |
| 4 tensile strength MPa | ASTM/D 638 | / | 21 |
| 5 elongation at break % | ASTM/D 638 | / | 387 |
| 6 bending strength MPa | ASTM/D 790 | / | 22 |
| 7 bending modulus MPa | ASTM/D 790 | / | 879 |
| 8 Izod notched impact strength I/m | ASTM/D 256 | / | 432.7 |
| 9 heat distortion temperatures DEG C | ASTM/D 648 | / | 74.9 |
| 10 flame retardant ratings | UL-94 | / | V0 |
Above-mentioned test result shows that the fire resistance of polythene material is significantly improved and improves, and reaches V0 grades.But
Its heat distortion temperature is low compared with embodiment 1.
Embodiment 3：
(1) by weight score to weigh each raw material respectively as follows：
High density polyethylene (HDPE)：120
TDE：10.0
Dispersed lubricant (TAS-2A)：8.0
Antioxidant (copolymer of ethylene-octene)：1.2
Diffusing oil (technical white oil 10#)：0.5
Colouring agent：1.0
Anti-dripping agent：1.7
Titanate coupling agent：1.7
Antimony oxide：3.0
Inorganic fill：(silica 5.0 of 5.0 kaolin of calcium carbonate 5.0 talcum powder, 5.0 mica powder 5.0)
(2) it is first that above-mentioned various raw materials are dry-mixed 3-5 minutes in super mixer, then be placed in double screw extruder crowded through melting
Go out, cool down, pelletizing, packed products；Wherein, the area's temperature of double screw extruder one is 90-100 DEG C, and 2nd area are 150-180
DEG C, 3rd area are 200-210 DEG C, and 4th area are 200-205 DEG C；5th area are 190-200 DEG C, and the residence time is 1-2 minutes, and pressure is
10-15Mpa。
Experimental result：
| Characterisitic parameter | Testing standard | Performance indications | Test data |
| ASTM/D 792 | / | 0.80 | |
| 2 melt index g/10min | ASTM/D 1238 | / | 0.78 |
| 3 molding shrinkage % | ASTM/D 955 | / | 1.5 |
| 4 tensile strength MPa | ASTM/D 638 | / | 19 |
| 5 elongation at break % | ASTM/D 638 | / | 410 |
| 6 bending strength MPa | ASTM/D 790 | / | 26 |
| 7 bending modulus MPa | ASTM/D 790 | / | 921 |
| 8 Izod notched impact strength I/m | ASTM/D 256 | / | 432.7 |
| 9 heat distortion temperatures DEG C | ASTM/D 648 | / | 73.0 |
| 10 flame retardant ratings | UL-94 | / | V1 |
It is above-mentioned test result indicate that, the fire resistance of polythene material obtains more significantly improving, but relative to
The proportioning of embodiment 1 and embodiment 2, its fire resistance and heat distortion temperature etc., all in the presence of certain gap.
Above-described embodiment is of the invention for example, being not intended to limit the present invention.Shown by above-mentioned experiment, wherein
Embodiment 1 is optimum weight percent, the melt index of high flame retardant polythene material manufactured by this method, heat distortion temperature,
The performance such as the shrinkage factor that becomes second nature and toughness is obviously improved.
Flame retardant polyethylene material of the present invention, can overcome polyethylene to exist originally sensitive for environmental stress,
The deficiency of heat-resistant aging difference, application and further genralrlization for polythene material, tool is of great significance.Also so that
The proud raising of electrical equipment, instrument and equipment safety coefficient when in use.
Claims (5)
1. flame retardant polyethylene material, it is characterised in that：It is made up of following weight ratio raw material,
High density polyethylene (HDPE)：80~120
TDE：8.0~10.0
Dispersed lubricant：7.0~8.0
Antioxidant：0.8~1.2
Diffusing oil：0.1~0.5
Colouring agent：0.6~1.0
Anti-dripping agent：1.3~1.7
Titanate coupling agent：1.3~1.7
Antimony oxide：2.0~3.0
Inorganic fill：4.0~5.0.
2. flame retardant polyethylene material according to claim 1, it is characterised in that：Optimum weight percent raw material is constituted：
High density polyethylene (HDPE)：100
TDE：9.0
Dispersed lubricant：7.5
Antioxidant：1.0
Diffusing oil：0.3
Colouring agent：0.8
Anti-dripping agent：1.5
Titanate coupling agent：1.5
Antimony oxide：2.5
Inorganic fill：4.5.
3. flame retardant polyethylene material according to claim 1, it is characterised in that：Dispersant of the present invention is TAS-
2A；Diffusing oil is technical white oil 10#；Antioxidant is the copolymer of ethylene-octene；Coupling agent is silane, titanate esters or phosphate
In one or more；Inorganic fill includes calcium carbonate, talcum powder, mica powder, kaolin, silica.
4. flame retardant polyethylene material according to claim 1, it is characterised in that：Preparation method is, first will be above-mentioned various
Raw material is dry-mixed 3-5 minutes in super mixer, then is placed in double screw extruder through melting extrusion, cooling, pelletizing, is packaged into
Product；Wherein, the area's temperature of double screw extruder one is 90-100 DEG C, and 2nd area are 160-190 DEG C, and 3rd area are 200-210 DEG C, four
Area is 205-210 DEG C；5th area are 190-200 DEG C, and the residence time is 1-2 minutes, and pressure is 10-15Mpa.
5. flame retardant polyethylene material according to claim 1, it is characterised in that：Flame-proof polyethylene material of the present invention
Expect that its flame retardant rating can reach V0 grades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510954891.9A CN106893167A (en) | 2015-12-17 | 2015-12-17 | Flame retardant polyethylene material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510954891.9A CN106893167A (en) | 2015-12-17 | 2015-12-17 | Flame retardant polyethylene material |
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| Publication Number | Publication Date |
|---|---|
| CN106893167A true CN106893167A (en) | 2017-06-27 |
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ID=59189170
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510954891.9A Pending CN106893167A (en) | 2015-12-17 | 2015-12-17 | Flame retardant polyethylene material |
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| CN (1) | CN106893167A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107868315A (en) * | 2017-10-19 | 2018-04-03 | 合肥朗胜新材料有限公司 | A kind of fire-retardant PE materials and preparation method thereof |
-
2015
- 2015-12-17 CN CN201510954891.9A patent/CN106893167A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107868315A (en) * | 2017-10-19 | 2018-04-03 | 合肥朗胜新材料有限公司 | A kind of fire-retardant PE materials and preparation method thereof |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170627 |