CN113045821A - High glow wire flammability index polypropylene material and preparation method thereof - Google Patents
High glow wire flammability index polypropylene material and preparation method thereof Download PDFInfo
- Publication number
- CN113045821A CN113045821A CN201911385032.7A CN201911385032A CN113045821A CN 113045821 A CN113045821 A CN 113045821A CN 201911385032 A CN201911385032 A CN 201911385032A CN 113045821 A CN113045821 A CN 113045821A
- Authority
- CN
- China
- Prior art keywords
- polypropylene material
- glow wire
- agent
- flammability index
- wire flammability
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 54
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 54
- -1 polypropylene Polymers 0.000 title claims abstract description 53
- 239000000463 material Substances 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title description 4
- 239000000203 mixture Substances 0.000 claims abstract description 23
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 17
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 17
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 17
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 14
- 239000007822 coupling agent Substances 0.000 claims abstract description 9
- 239000000314 lubricant Substances 0.000 claims abstract description 9
- 239000012745 toughening agent Substances 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 11
- 239000000155 melt Substances 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 3
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 230000003078 antioxidant effect Effects 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 3
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical group CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000012360 testing method Methods 0.000 description 6
- 239000003063 flame retardant Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 2
- 239000008116 calcium stearate Substances 0.000 description 2
- 235000013539 calcium stearate Nutrition 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- 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
The invention discloses a high glowing ignition index polypropylene material which comprises the following components in parts by weight: 35-55 parts of polypropylene mixture, 10-15 parts of toughening agent, 10-30 parts of magnesium hydroxide, 15-35 parts of talcum powder, 0.3-0.5 part of anti-dripping auxiliary agent, 0.4-0.8 part of heat-resistant auxiliary agent, 0.2-0.4 part of coupling agent and 0.2-0.4 part of lubricating agent. The invention also discloses a production method of the high glowing ignition index polypropylene material. The material prepared by the invention has low cost, and the Glow Wire Flammability Index (GWFI) can reach 960 ℃ by the compound use of the magnesium hydroxide, the talcum powder and the anti-dripping auxiliary agent. The polypropylene prepared by the invention also has excellent impact property and high practical applicability.
Description
Technical Field
The invention belongs to the technical field of modification and processing of high polymer materials, and particularly relates to a high glow wire flammability index polypropylene material and a preparation method thereof.
Background
Polypropylene (PP) is a thermoplastic plastic, has low density, high surface hardness of finished products, high elasticity, good heat resistance, chemical stability and insulation, is widely applied to various fields of production and life, but has poor flame retardant property, and limits the application of the polypropylene in the electronic and electrical industry. The requirement of the electronic and electric appliance industry on the performance of a polymer glow wire is higher and higher, and the market demands for polypropylene materials with the glow wire flammability index of over 950 ℃.
Disclosure of Invention
The invention aims to provide a high glow wire flammability index polypropylene material and a preparation method thereof, and the purpose of the invention is realized by the following technical scheme:
the high glow wire flammability index polypropylene material comprises the following components in parts by weight:
in a further scheme, the polypropylene mixture is a mixture of two different types of polypropylene; one of the polypropylenes is high-fluidity polypropylene, and the melt flow rate is 40-100 g/10min at 230 ℃ and under the condition of 2.16 kg; the other polypropylene is high impact polypropylene, the melt flow rate is 10-40 g/10min under the conditions of 230 ℃ and 2.16kg, and the notch impact strength is more than or equal to 40KJ/m2。
In a further scheme, the toughening agent is POE elastomer.
In a further scheme, the particle size of the magnesium hydroxide is 5-15 micrometers.
In a further scheme, the particle size of the talcum powder is 2-15 microns.
In a further scheme, the anti-dripping auxiliary agent is polytetrafluoroethylene.
In a further scheme, the heat-resisting auxiliary agent is an antioxidant, and the antioxidant is a mixture of antioxidant 1010, antioxidant 168 and antioxidant 1076. More preferably, the antioxidant 1076 and the antioxidant 168 are a mixture consisting of 1: 1.
In a further scheme, the coupling agent is a silane coupling agent.
In a further embodiment, the lubricant is a stearate, preferably calcium stearate.
Another object of the present invention is to provide a method for preparing the above-mentioned high glow-wire flammability index polypropylene material, comprising the following steps:
(1) weighing polypropylene, a toughening agent, magnesium hydroxide, talcum powder, an anti-dripping agent, a heat-resistant auxiliary agent, a coupling agent and a lubricating agent according to a ratio, and putting the materials into a high-speed mixer to mix for 3-5 minutes to obtain a mixture;
(2) adding the mixture into a double-screw extruder for extrusion, wherein the length-diameter ratio of the double-screw extruder is 48:1, and the temperature of each section of the double-screw extruder is set within the range of 180-220 ℃;
(3) and cooling, drying and granulating the extrudate of the double-screw extruder to obtain the product, namely the high glow wire flammability index polypropylene material.
Compared with the prior art, the invention has the beneficial effects that:
(1) the magnesium hydroxide has good smoke suppression and flame retardant properties, is heated and decomposed in the heating process of a glow wire test to generate magnesium oxide to reduce heat conduction and release water, and the generated water vapor can carry heat to improve the combustible index of the glow wire of the material.
(2) The talcum powder is a flame-retardant material, and the dosage of the magnesium hydroxide is reduced by compounding the magnesium hydroxide and the talcum powder, so that the glowing filament flammability index of the polypropylene material can reach 960 ℃.
(3) The magnesium hydroxide and the talcum powder do not generate harmful substances in the production, use and waste processes, so that the magnesium hydroxide and the talcum powder are green and environment-friendly flame retardants and are low in material cost;
(4) the addition of the anti-dripping agent leads the Glow Wire Flammability Index (GWFI) of the product to reach 960 ℃ at lower filling content through the synergistic effect of the anti-dripping agent, the magnesium hydroxide, the talcum powder and other components.
(5) The high fluidity and the high impact polypropylene are compounded for use, so that the material disclosed by the invention has excellent impact property on the premise of ensuring good fluidity, and has very high practical applicability.
Detailed Description
The present invention will be further described with reference to the following examples. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The types and suppliers of reagents used in the following examples and comparative examples are merely illustrative of the sources and components of reagents used in the experiments of the present invention and are fully disclosed, and do not indicate that the present invention cannot be practiced using other reagents of the same type or other suppliers.
PP brand BM3900 used in the following examples and comparative examples was manufactured by SK group of Korea and had a melt flow rate of 60g/10 min; PP designation YPJ1215C, the manufacturer is China petrochemical Yangzi petrochemical company, the melt flow rate is 15g/10 min; the toughener is POE8200, and the manufacturer is Dow chemical company in America; the trade mark MH-3 of magnesium hydroxide, the manufacturer is Weifang Yuandong rubber and plastic science and technology Limited; the brand AH51210 of pulvis Talci is produced by Liaoning ai Hai; anti-dripping agent brand SN3300, manufacturer is Guangzhou entropy energy; the heat-resistant auxiliary agents are 1076 and 168 produced by BASF corporation, and the addition ratio is 1:1 (mass ratio); the grade of the coupling agent is silane coupling agent KH550, and the manufacturer is a green chemical auxiliary agent factory in Tianchang city; the lubricant is calcium stearate, and the manufacturer is Lianyuong Huaming Tai.
The comprehensive performance of the material is judged by the numerical values of the melt index, the density, the tensile strength, the bending modulus, the notched impact strength of the cantilever beam and the combustible index of the glow wire. The pellets obtained in each of examples and comparative examples were injection-molded into standard test specimens and then subjected to a performance test. The molten finger is carried out according to ISO 1133, and the test conditions are 230 ℃ and 2.16 Kg; density was performed according to ISO 1183; tensile strength was performed according to ISO 527 with a test speed of 50mm/min, bars were dumbbell shaped, bar size was 170mm by 10mm by 4 mm; flexural strength and flexural modulus were performed according to ISO 178, test speed 2mm/min, splines rectangular, spline size 80mm by 10mm by 4 mm; the notched impact strength of the cantilever beam is performed according to ISO 180, the notched impact strength of the cantilever beam at normal temperature (23 ℃) is tested, the sample strip is rectangular (V-shaped molding notch), and the size of the sample strip is 80mm x 10mm x 4 mm; the glow wire flammability index was performed according to IEC 60965-2-12, the bars were circular and the bar size was 90mm by 2 mm.
Example 1
According to the proportion shown in the table 1, the components are put into a high-speed mixer to be mixed for 3 minutes, then the mixture is added into a double-screw extruder to be extruded, the length-diameter ratio of the double-screw extruder is 48:1, and the temperatures of all sections of a charging barrel of the double-screw extruder are respectively set as follows: first zone 180 deg.C, second zone 190 deg.C, third zone 195 deg.C, fourth zone 200 deg.C, fifth zone 205 deg.C, sixth zone 210 deg.C, and head 220 deg.C. And cooling the extruded strips to room temperature through a circulating water tank, drying the extruded strips by a blower, and then granulating the extruded strips in a granulator to obtain the high glow wire flammability index polypropylene material.
The product obtained in example 1 was tested for its properties according to the corresponding standards, the results of which are shown in table 2.
TABLE 1 parts of raw materials added in examples 1 to 6
| Number plate | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 |
| PP-BM3900 | 35 | 25 | 25 | 30 | 25 | 20 |
| PP-YPJ1215C | 20 | 20 | 20 | 20 | 15 | 15 |
| POE 8200 | 10 | 10 | 15 | 12.5 | 15 | 15 |
| Magnesium hydroxide | 10 | 10 | 20 | 20 | 30 | 20 |
| Talcum powder | 25 | 35 | 20 | 17.5 | 15 | 30 |
| Anti-drip aid | 0.5 | 0.3 | 0.4 | 0.5 | 0.4 | 0.3 |
| Heat-resistant auxiliary | 0.4 | 0.6 | 0.8 | 0.6 | 0.4 | 0.4 |
| Coupling agent | 0.2 | 0.3 | 0.2 | 0.2 | 0.4 | 0.4 |
| Lubricant agent | 0.2 | 0.3 | 0.2 | 0.2 | 0.4 | 0.4 |
Example 2
According to the proportion shown in the table 1, the components are put into a high-speed mixer to be mixed for 4 minutes, then the mixture is added into a double-screw extruder to be extruded, the length-diameter ratio of the double-screw extruder is 48:1, and the temperatures of all sections of a charging barrel of the double-screw extruder are respectively set as follows: first zone 180 deg.C, second zone 190 deg.C, third zone 195 deg.C, fourth zone 200 deg.C, fifth zone 205 deg.C, sixth zone 215 deg.C, and head 220 deg.C. And cooling the extruded strips to room temperature through a circulating water tank, drying the extruded strips by a blower, and then granulating the extruded strips in a granulator to obtain the high glow wire flammability index polypropylene material.
The product obtained in example 2 was tested for its properties according to the corresponding standards, the results of which are shown in table 2.
Example 3
According to the proportion shown in the table 1, the components are put into a high-speed mixer to be mixed for 4 minutes, then the mixture is added into a double-screw extruder to be extruded, the length-diameter ratio of the double-screw extruder is 48:1, and the temperatures of all sections of a charging barrel of the double-screw extruder are respectively set as follows: the first zone is 185 ℃, the second zone is 200 ℃, the third zone is 205 ℃, the fourth zone is 210 ℃, the fifth zone is 215 ℃, the sixth zone is 220 ℃ and the head is 220 ℃. And cooling the extruded strips to room temperature through a circulating water tank, drying the extruded strips by a blower, and then granulating the extruded strips in a granulator to obtain the high glow wire flammability index polypropylene material.
The product obtained in example 3 was tested for its properties according to the corresponding standards, the results of which are shown in table 2.
Example 4
According to the proportion shown in the table 1, the components are put into a high-speed mixer to be mixed for 5 minutes, then the mixture is added into a double-screw extruder to be extruded, the length-diameter ratio of the double-screw extruder is 48:1, and the temperatures of all sections of a charging barrel of the double-screw extruder are respectively set as follows: first zone 180 deg.C, second zone 185 deg.C, third zone 190 deg.C, fourth zone 195 deg.C, fifth zone 200 deg.C, sixth zone 205 deg.C, and head 210 deg.C. And cooling the extruded strips to room temperature through a circulating water tank, drying the extruded strips by a blower, and then granulating the extruded strips in a granulator to obtain the high glow wire flammability index polypropylene material.
The product obtained in example 4 was tested for its properties according to the corresponding standards, the results of which are shown in table 2.
Example 5
According to the proportion shown in the table 1, the components are put into a high-speed mixer to be mixed for 5 minutes, then the mixture is added into a double-screw extruder to be extruded, the length-diameter ratio of the double-screw extruder is 48:1, and the temperatures of all sections of a charging barrel of the double-screw extruder are respectively set as follows: first zone 180 deg.C, second zone 190 deg.C, third zone 195 deg.C, fourth zone 200 deg.C, fifth zone 205 deg.C, sixth zone 210 deg.C, and head 210 deg.C. And cooling the extruded strips to room temperature through a circulating water tank, drying the extruded strips by a blower, and then granulating the extruded strips in a granulator to obtain the high glow wire flammability index polypropylene material.
The product obtained in example 5 was tested for its properties according to the corresponding standards, the results of which are shown in Table 2.
Example 6
According to the proportion shown in the table 1, the components are put into a high-speed mixer to be mixed for 5 minutes, then the mixture is added into a double-screw extruder to be extruded, the length-diameter ratio of the double-screw extruder is 48:1, and the temperatures of all sections of a charging barrel of the double-screw extruder are respectively set as follows: first zone 180 deg.C, second zone 190 deg.C, third zone 195 deg.C, fourth zone 200 deg.C, fifth zone 205 deg.C, sixth zone 210 deg.C, and head 220 deg.C. And cooling the extruded strips to room temperature through a circulating water tank, drying the extruded strips by a blower, and then granulating the extruded strips in a granulator to obtain the high glow wire flammability index polypropylene material.
The product obtained in example 6 was tested for its properties according to the corresponding standards, the results of which are shown in Table 2.
TABLE 2 results of Performance testing of products prepared in examples 1 to 6
Comparative example 1
According to the proportion shown in the table 3, the components are put into a high-speed mixer to be mixed for 5 minutes, then the mixture is added into a double-screw extruder to be extruded, the length-diameter ratio of the double-screw extruder is 48:1, and the temperatures of all sections of a charging barrel of the double-screw extruder are respectively set as follows: first zone 180 deg.C, second zone 190 deg.C, third zone 195 deg.C, fourth zone 200 deg.C, fifth zone 205 deg.C, sixth zone 210 deg.C, and head 220 deg.C. And cooling the extruded strips to room temperature through a circulating water tank, drying the extruded strips by a blower, and then granulating the extruded strips in a granulator to obtain the high glow wire flammability index polypropylene material.
The product obtained in comparative example 1 was tested for its properties according to the corresponding standards, the results of which are shown in Table 4.
TABLE 3 raw material addition parts for comparative examples 1 to 3
| Number plate | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| PP-BM3900 | 35 | 60 | 45 |
| PP-YPJ1215C | 20 | 20 | 20 |
| POE 8200 | 10 | 10 | 10 |
| Magnesium hydroxide | 10 | 10 | 0 |
| Talcum powder | 25 | 0 | 25 |
| Anti-drip aid | 0 | 0.5 | 0.5 |
| Heat-resistant auxiliary | 0.4 | 0.4 | 0.4 |
| Coupling agent | 0.2 | 0.2 | 0.2 |
| Lubricant agent | 0.2 | 0.2 | 0.2 |
Comparative example 2
According to the proportion shown in the table 3, the components are put into a high-speed mixer to be mixed for 5 minutes, then the mixture is added into a double-screw extruder to be extruded, the length-diameter ratio of the double-screw extruder is 48:1, and the temperatures of all sections of a charging barrel of the double-screw extruder are respectively set as follows: first zone 180 deg.C, second zone 190 deg.C, third zone 195 deg.C, fourth zone 200 deg.C, fifth zone 205 deg.C, sixth zone 210 deg.C, and head 220 deg.C. And cooling the extruded strips to room temperature through a circulating water tank, drying the extruded strips by a blower, and then granulating the extruded strips in a granulator to obtain the high glow wire flammability index polypropylene material.
The product obtained in comparative example 2 was tested for its properties according to the corresponding standards, the results of which are shown in Table 4.
Comparative example 3
According to the proportion shown in the table 3, the components are put into a high-speed mixer to be mixed for 5 minutes, then the mixture is added into a double-screw extruder to be extruded, the length-diameter ratio of the double-screw extruder is 48:1, and the temperatures of all sections of a charging barrel of the double-screw extruder are respectively set as follows: first zone 180 deg.C, second zone 190 deg.C, third zone 195 deg.C, fourth zone 200 deg.C, fifth zone 205 deg.C, sixth zone 210 deg.C, and head 220 deg.C. And cooling the extruded strips to room temperature through a circulating water tank, drying the extruded strips by a blower, and then granulating the extruded strips in a granulator to obtain the high glow wire flammability index polypropylene material.
The product obtained in comparative example 3 was tested for its properties according to the corresponding standards, the results of which are shown in Table 4.
TABLE 4 Performance test results for products prepared in comparative examples 1 to 3
As can be seen from examples 1-6 and comparative examples 1-3, the material prepared by the invention is low in cost, and the glowing filament flammability index can reach 960 ℃ through the compound use of magnesium hydroxide, talcum powder and anti-dripping auxiliary agent. The polypropylene prepared by the invention also has excellent impact property and high practical applicability.
The embodiments described above are intended to facilitate one of ordinary skill in the art in understanding and using the present invention. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the embodiments described herein, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. A high glow-wire flammability index polypropylene material is characterized in that: the composition comprises the following components in parts by weight:
35-55 parts of a polypropylene mixture,
10-15 parts of a toughening agent,
10-30 parts of magnesium hydroxide, namely,
15-35 parts of talcum powder,
0.3 to 0.5 portion of anti-dripping auxiliary agent,
0.4 to 0.8 portion of heat-resistant auxiliary agent,
0.2 to 0.4 portion of coupling agent,
0.2-0.4 part of lubricant.
2. The high glow wire flammability index polypropylene material of claim 1, wherein: the polypropylene mixture is a mixture of two different types of polypropylene; one of the polypropylenes is high-fluidity polypropylene, and the melt flow rate is 40-100 g/10min at 230 ℃ and under the condition of 2.16 kg; the other polypropylene is high impact polypropylene, the melt flow rate is 10-40 g/10min under the conditions of 230 ℃ and 2.16kg, and the notch impact strength is more than or equal to 40KJ/m2。
3. The high glow wire flammability index polypropylene material of claim 1, wherein: the toughening agent is POE elastomer.
4. The high glow wire flammability index polypropylene material of claim 1, wherein: the particle size of the magnesium hydroxide is 5-15 microns.
5. The high glow wire flammability index polypropylene material of claim 1, wherein: the particle size of the talcum powder is 2-15 microns.
6. The high glow wire flammability index polypropylene material of claim 1, wherein: the anti-dripping auxiliary agent is polytetrafluoroethylene.
7. The high glow wire flammability index polypropylene material of claim 1, wherein: the heat-resistant auxiliary agent is an antioxidant which is a mixture of an antioxidant 1010, an antioxidant 168 and an antioxidant 1076.
8. The high glow wire flammability index polypropylene material of claim 1, wherein: the coupling agent is a silane coupling agent; the lubricant is stearate.
9. The process for preparing a high glow wire flammability index polypropylene material of any of claims 1-8, comprising the steps of:
(1) weighing polypropylene, a toughening agent, magnesium hydroxide, talcum powder, an anti-dripping agent, a heat-resisting auxiliary agent, a coupling agent and a lubricating agent according to a ratio, and putting the materials into a high-speed mixer to mix to obtain a mixture;
(2) adding the mixture into a double-screw extruder for extrusion;
(3) and cooling, drying and granulating the extrudate of the double-screw extruder to obtain the product, namely the high glow wire flammability index polypropylene material.
10. The method of claim 9, wherein: in the step (2), the length-diameter ratio of the double-screw extruder is 48:1, and the temperature of each section of the double-screw extruder is 180-220 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911385032.7A CN113045821A (en) | 2019-12-28 | 2019-12-28 | High glow wire flammability index polypropylene material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911385032.7A CN113045821A (en) | 2019-12-28 | 2019-12-28 | High glow wire flammability index polypropylene material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113045821A true CN113045821A (en) | 2021-06-29 |
Family
ID=76507276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911385032.7A Pending CN113045821A (en) | 2019-12-28 | 2019-12-28 | High glow wire flammability index polypropylene material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113045821A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102492219A (en) * | 2011-11-30 | 2012-06-13 | 深圳市科聚新材料有限公司 | High glow-wire reinforced polypropylene material and its preparation method |
| CN103467850A (en) * | 2013-09-04 | 2013-12-25 | 深圳市兴盛迪新材料有限公司 | Halogen-free flame-retardant polypropylene composition and preparation method thereof |
| CN108485065A (en) * | 2018-04-04 | 2018-09-04 | 青岛国恩科技股份有限公司 | A kind of low-shrinkage polypropylene material and preparation method thereof |
| CN110003560A (en) * | 2018-12-25 | 2019-07-12 | 上海至正道化高分子材料股份有限公司 | A kind of high fire-retardance polyolefin cable material and preparation method thereof that smoke density is low |
-
2019
- 2019-12-28 CN CN201911385032.7A patent/CN113045821A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102492219A (en) * | 2011-11-30 | 2012-06-13 | 深圳市科聚新材料有限公司 | High glow-wire reinforced polypropylene material and its preparation method |
| CN103467850A (en) * | 2013-09-04 | 2013-12-25 | 深圳市兴盛迪新材料有限公司 | Halogen-free flame-retardant polypropylene composition and preparation method thereof |
| CN108485065A (en) * | 2018-04-04 | 2018-09-04 | 青岛国恩科技股份有限公司 | A kind of low-shrinkage polypropylene material and preparation method thereof |
| CN110003560A (en) * | 2018-12-25 | 2019-07-12 | 上海至正道化高分子材料股份有限公司 | A kind of high fire-retardance polyolefin cable material and preparation method thereof that smoke density is low |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112063048B (en) | Low-dielectric high-melt-strength flame-retardant polypropylene material and preparation method thereof | |
| CN101220183A (en) | Environment-protection flame-proof electrostatic resistance polypropylene material and method for producing the same | |
| CN104194161A (en) | Precipitation resistant, toughening and flame-retardant polypropylene composite material and preparation method thereof | |
| CN112662170B (en) | Flame-retardant high-temperature-resistant polyamide material for low-voltage electrical appliance and preparation method thereof | |
| CN112552582B (en) | Anti-tiger stripe and high-heat-resistance automobile instrument board material and preparation method and application thereof | |
| CN109705568A (en) | A kind of low precipitation fire-retardant polyamide material of low smell, preparation method and application | |
| CN103497441A (en) | Polyphenyl ether resin alloy material, and preparation method and application thereof | |
| CN112521688B (en) | Halogen-free flame-retardant low-dielectric-loss glass fiber reinforced polypropylene material | |
| CN113248901B (en) | Halogen-free flame-retardant ABS alloy material and preparation method thereof | |
| CN105504498A (en) | Injection molding grade polypropylene microcellular foam composite material and preparation method thereof | |
| CN115304913B (en) | Reinforced flame-retardant hypophosphite/nylon composite material with high glow wire ignition temperature and preparation method thereof | |
| CN103374225A (en) | Halogen-free flame-retardant heat-resistant HIPS (high impact polystyrene)/PPS (polyphenylene sulfide) composite material and preparation method thereof | |
| CN105385088B (en) | A kind of polypropene composition and preparation method thereof | |
| CN108102222B (en) | Stress whitening resistant master batch, stress whitening resistant halogen-free expansion flame-retardant polypropylene composite material and preparation method thereof | |
| CN1995123B (en) | Polypropylene material and its preparing process | |
| CN102304250A (en) | High-melt-index halogen-free flame-retarding polypropylene and preparation method thereof | |
| CN112322020B (en) | Polyphenyl ether resin composition and preparation method thereof, and wire slot and preparation method thereof | |
| CN108570205B (en) | Flame-retardant styrene composition and preparation method thereof | |
| CN109438852A (en) | A kind of intumescent boron-nitrogen-phosphorus compound flame retardant and preparation method thereof | |
| CN116694056A (en) | High heat-resistant mineral reinforced halogen-free flame-retardant PC/ABS alloy and preparation method thereof | |
| CN108530789B (en) | Environment-friendly flame-retardant injection molding grade ACS modified material and preparation method thereof | |
| CN113045821A (en) | High glow wire flammability index polypropylene material and preparation method thereof | |
| CN114133691A (en) | Halogen-free flame-retardant antibacterial ABS material and preparation method thereof | |
| CN110054889A (en) | A kind of anti-flammability biology base PA56 composite material and preparation method | |
| CN110540703B (en) | Efficient flame-retardant polypropylene composition capable of being marked by laser and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210629 |
|
| RJ01 | Rejection of invention patent application after publication |