CN117264362A - Flame-retardant oil-resistant ABS composite material and preparation method thereof - Google Patents
Flame-retardant oil-resistant ABS composite material and preparation method thereof Download PDFInfo
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- CN117264362A CN117264362A CN202311325768.1A CN202311325768A CN117264362A CN 117264362 A CN117264362 A CN 117264362A CN 202311325768 A CN202311325768 A CN 202311325768A CN 117264362 A CN117264362 A CN 117264362A
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- 239000002131 composite material Substances 0.000 title claims abstract description 58
- 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 title claims abstract description 32
- 239000003063 flame retardant Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims abstract description 72
- 239000000843 powder Substances 0.000 claims abstract description 34
- 229910052902 vermiculite Inorganic materials 0.000 claims abstract description 32
- 239000010455 vermiculite Substances 0.000 claims abstract description 32
- 235000019354 vermiculite Nutrition 0.000 claims abstract description 32
- 239000010445 mica Substances 0.000 claims abstract description 25
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 25
- 239000011347 resin Substances 0.000 claims abstract description 18
- 229920005989 resin Polymers 0.000 claims abstract description 18
- 239000003607 modifier Substances 0.000 claims abstract description 13
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000003963 antioxidant agent Substances 0.000 claims description 26
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims description 24
- 230000003078 antioxidant effect Effects 0.000 claims description 24
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- 238000002156 mixing Methods 0.000 claims description 16
- 239000000314 lubricant Substances 0.000 claims description 15
- CTMFECUQKLSOGJ-UHFFFAOYSA-N 4-bromotriazine Chemical compound BrC1=CC=NN=N1 CTMFECUQKLSOGJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000004698 Polyethylene Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 11
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 10
- 239000008116 calcium stearate Substances 0.000 claims description 10
- 235000013539 calcium stearate Nutrition 0.000 claims description 10
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 10
- -1 polyethylene Polymers 0.000 claims description 10
- 229920000573 polyethylene Polymers 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 238000005282 brightening Methods 0.000 claims description 8
- 239000000839 emulsion Substances 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 4
- 239000002671 adjuvant Substances 0.000 claims 1
- 238000009472 formulation Methods 0.000 claims 1
- 239000002530 phenolic antioxidant Substances 0.000 claims 1
- 239000002861 polymer material Substances 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 description 25
- 239000000463 material Substances 0.000 description 25
- 230000000052 comparative effect Effects 0.000 description 10
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 9
- 150000001412 amines Chemical class 0.000 description 8
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 8
- 239000012965 benzophenone Substances 0.000 description 8
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 238000001816 cooling Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 6
- 230000014759 maintenance of location Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 239000012745 toughening agent Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 241000723347 Cinnamomum Species 0.000 description 1
- 244000171022 Peltophorum pterocarpum Species 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000003854 Surface Print Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 235000017803 cinnamon Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229920005669 high impact polystyrene Polymers 0.000 description 1
- 239000004797 high-impact polystyrene Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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
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 flame-retardant oil-resistant ABS composite material and a preparation method thereof, and belongs to the field of high polymer materials. The flame-retardant oil-resistant ABS composite material comprises the following raw materials in parts by weight: 28-65 parts of ABS resin; 10-20 parts of AS resin; 1-5 parts of modifier JavachemAF-600; 2-6 parts of mica; 3-8 parts of vermiculite powder; and a plurality of other auxiliary agents. Compared with the prior art, the composite material has good mechanical property, flame retardant property and oil resistance.
Description
Technical Field
The invention relates to the field of high polymer materials, in particular to a flame-retardant oil-resistant ABS composite material and a preparation method thereof.
Background
The ABS is opaque and ivory-colored, and has no toxicity, no smell, low water absorption, various colors and high glossiness. The relative density of ABS is 1.05, and the ABS has good binding property with other materials, and is easy for surface printing, coating and plating treatment. ABS is a resin with very good comprehensive performance, has higher impact strength and surface hardness in a wider temperature range, has good dimensional stability, has a shrinkage rate in a range of 0.4-0.7%, can be reduced to 0.2-0.4% after being reinforced by glass fibers, and has little shrinkage after plastic molding. The critical surface tension is 34-38 mN/cm. ABS melts have better flowability than PVC and PC, but worse flowability than PE, PA and PS, similar to POM and HIPS. The flow characteristics of ABS are non-newtonian fluids whose melt viscosity is related to both processing temperature and shear rate, but are more sensitive to shear rate. The oxygen index of ABS is 18.2, belongs to inflammable polymer, has yellow flame, black smoke, burns but does not drip, and gives out special cinnamon flavor.
With the improvement of living standard, more and more consumption market segments appear, such as in the aspect of air conditioning, kitchen air conditioning appears, because kitchen air conditioning's service environment is often that there is the oil smoke contact, so original ordinary material can appear crackle, fracture owing to not resistant oil, brings the potential safety hazard for the use under the effect of oil smoke, in addition to some automatically controlled box parts, still require to have good flame retardant property except requiring resistant oil. The patent CN111607188A is an oil-resistant ABS material, which comprises an ABS base material, an additive and an oil-resistant mixed base material, wherein the ABS base material comprises an ABS regenerated material and a PBT regenerated material, the additive comprises a compatilizer, a toughening agent and an oil ester, the oil-resistant mixed base material comprises MBS resin and nano filler, wherein the material dosage is respectively 5-8 parts by weight of the ABS regenerated material, 1-4 parts by weight of the PBT regenerated material, 2-4 parts by weight of the compatilizer, 2-3 parts by weight of the toughening agent, 1-2 parts by weight of the MBS resin and 1-2 parts by weight of the nano filler. On one hand, the material adopts PBT, MBS resin and nano filler to improve oil resistance, so that the material has high density, and in addition, the material has no flame retardant property. Patent CN 114292488A is an anti-sticking oil-resistant ABS material, and a preparation method and application thereof, and comprises the following components in parts by weight: 30-60 parts of ABS, 10-25 parts of PBT, 5-20 parts of PC, 5-15 parts of toughening agent, 0.5-2 parts of nano montmorillonite, 0.2-1 part of antioxidant, 0.2-1 part of anti-sticking agent and 0.5-2 parts of lubricant. The material has the characteristics of high density, high cost and no flame retardance.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a flame-retardant oil-resistant ABS composite material and a preparation method thereof.
The aim of the invention can be achieved by the following technical scheme:
the flame-retardant oil-resistant ABS composite material comprises the following raw materials in parts by weight:
28-65 parts of ABS resin;
10-20 parts of AS resin;
1-5 parts of modifier JavachemAF-600;
2-6 parts of mica;
3-8 parts of vermiculite powder;
14-20 parts of bromotriazine;
4-8 parts of antimony trioxide; and
and a plurality of other auxiliary agents.
Optionally, the other auxiliary agents include:
0.2-1.5 parts of weather-proof agent;
0.2-0.6 part of antioxidant;
0.5-1.0 parts of lubricant; and
0-3 parts of a surface brightening agent.
Optionally, the antioxidant is a compound of hindered phenol antioxidants and phosphite antioxidants.
Optionally, the lubricant is a complex of polyethylene wax and calcium stearate.
A preparation method of a flame-retardant oil-resistant ABS composite material comprises the following steps:
premixing and stirring 2-6 parts by weight of mica and 3-8 parts by weight of vermiculite powder for 5 minutes, adding 1-5 parts by weight of modifier JavachemAF-600, heating, and mixing to obtain a premix S1;
mixing 28-65 parts by weight of ABS resin and 10-20 parts by weight of AS resin to obtain a premix S2;
mixing other auxiliary agents, the premix S1 and the premix S2 to obtain a mixed product S3;
and heating the mixed product S3 to be molten, and extruding and granulating to obtain the ABS composite material.
Optionally, other auxiliary agents, 14-20 parts by weight of bromotriazine and 4-8 parts by weight of antimony trioxide are added to the premix S1 and the premix S2.
Optionally, the other auxiliary agents include:
0.2-1.5 parts by weight of weather-proof agent;
0.2-0.6 part by weight of antioxidant;
0.5 to 1.0 part by weight of a lubricant; and
0-3 parts of surface brightening agent.
Optionally, the extrusion temperature is set to be 200-235 ℃, the screw rotating speed is 400-550r/min, and the vacuum degree is-0.04-0.08 MPa.
Optionally, the preparation method involves raw materials meeting one or more of the following conditions:
the ABS resin is emulsion ABS, and MFR (220 ℃/10 KG) =8g/10 min;
the AS resin MFR (220 ℃/10 KG) =10g/10 min;
the mica particle diameter is 600 mu m;
the vermiculite powder has the average particle diameter: 45 μm.
The invention has the beneficial effects that:
1. according to the invention, the composite material is coated with the modifier JavachemAF-600 to treat mica and vermiculite powder, so that on one hand, the wetting effect of the powder can be improved, the adhesive force is improved, the uniform dispersion of the mica and the vermiculite powder in the composite material is realized, and the material has good mechanical properties; in addition, the flame retardant property of the composite material is stable, and reaches the UL94V0 and 5VA grades;
2. the mica and vermiculite powder in the preparation method of the composite material are compounded for use, and the synergistic effect on the flame retardant property is found;
3. the composite material is compounded by AS and JavachemAF-600-600, and has a synergistic effect on oil resistance, so that the tensile strength of the prepared flame-retardant oil-resistant ABS composite material is AS follows: 37.6MPa, the flexural modulus reaches: 3688MPa, the notch impact strength of the cantilever beam reaches 5.2kj/m < 2 >, the retention rate of oil resistance is more than or equal to 95%, and the composite material has excellent mechanical property, rigidity, dimensional stability and good comprehensive performance.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is an oil resistance test fixture of the present application.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
the flame-retardant oil-resistant ABS composite material is prepared from the following components in parts by weight:
the specific preparation method of the composite material comprises the following steps:
(1) Firstly, adding mica and vermiculite powder into a high-speed mixer, and premixing and stirring for 5 minutes, wherein the particle size (D50) of the vermiculite powder is 45 mu m and 60 r/min. Then adding a modifier JavachemAF-600, heating to 80 ℃, mixing at a high speed for 4 minutes to enable the JavachemAF-600 to better wet and coat mica and vermiculite powder, and then cooling to room temperature to obtain a premix S1;
(2) Mixing ABS resin and AS resin for 4 minutes at the temperature of 70 ℃ to obtain a premix S2;
(3) Adding bromotriazine with the average grain diameter (D50) of 2 mu m and the whiteness of more than or equal to 94, and antimony trioxide with the average grain diameter (D50) of 0.5 mu m, wherein the one-to-two compound of hindered amine and benzophenone as a weather-resistant agent, the one-to-two compound of hindered phenol antioxidant and phosphite antioxidant, the one-to-two compound of polyethylene wax and calcium stearate as a lubricant and the premix S1 into the premix S2, and continuously mixing for 5 minutes to obtain a mixed product S3;
(4) And (3) putting the mixed product S3 into a double-screw extruder for melting, extruding and granulating to obtain the flame-retardant oil-resistant ABS composite material, wherein the temperature of the double-screw extruder is set to be 200 ℃, the screw rotating speed is 400r/min, and the vacuum degree is-0.04 MPa.
Example 2:
the flame-retardant oil-resistant ABS composite material is prepared from the following components in parts by weight:
the specific preparation method of the composite material comprises the following steps:
(1) Firstly, adding mica and vermiculite powder into a high-speed mixer, and premixing and stirring for 5 minutes, wherein the particle size (D50) of the vermiculite powder is 45 mu m and 70 r/min. Then adding a modifier JavachemAF-600, heating to 85 ℃, mixing at a high speed for 5 minutes to enable the JavachemAF-600 to better wet and coat mica and vermiculite powder, and then cooling to room temperature to obtain a premix S1;
(2) ABS with MFR (220 ℃/10 KG) =8 g/10min and AS resin with MFR (220 ℃/10 KG) =10 g/10min are mixed for 5 minutes at the temperature of 75 ℃ to obtain a premix S2;
(3) Bromotriazine with the average grain diameter (D50) of 2 mu m and the whiteness of more than or equal to 94 and with the purity of more than or equal to 99.8 percent, antimonous oxide with the average grain diameter (D50) of 0.5 mu m, one-to-two compound of hindered amine and benzophenone as a weather-resistant agent, one-to-two compound of hindered phenol antioxidant and phosphite antioxidant as well as one-to-two compound of polyethylene wax and calcium stearate as lubricants as well as surface brightening agent and premix S1 are added into the premix S2 together, and the mixture is continuously mixed for 6 minutes to obtain a mixed product S3;
(4) And (3) putting the mixed product S3 into a double-screw extruder for melting, extruding and granulating to obtain the flame-retardant oil-resistant ABS composite material, wherein the temperature of the double-screw extruder is set to 210 ℃, the screw rotating speed is 450r/min, and the vacuum degree is-0.05 MPa.
Example 3:
the flame-retardant oil-resistant ABS composite material is prepared from the following components in parts by weight:
the specific preparation method of the composite material comprises the following steps:
(1) Firstly, adding mica and vermiculite powder into a high-speed mixer, and premixing and stirring for 6 minutes, wherein the particle size (D50) of the vermiculite powder is 45 mu m and 80 r/min. Then adding a modifier JavachemAF-600, heating to 85 ℃, mixing at a high speed for 6 minutes to enable the JavachemAF-600 to better wet and coat mica and vermiculite powder, and then cooling to room temperature to obtain a premix S1;
(2) ABS with MFR (220 ℃/10 KG) =8 g/10min and AS resin with MFR (220 ℃/10 KG) =10 g/10min are mixed for 7 minutes at the temperature of 75 ℃ to obtain a premix S2;
(3) Bromotriazine with the average grain diameter (D50) of 2 mu m and the whiteness of more than or equal to 94 and with the purity of more than or equal to 99.8 percent, antimonous oxide with the average grain diameter (D50) of 0.5 mu m, one-to-two compound of hindered amine and benzophenone as a weather-resistant agent, one-to-two compound of hindered phenol antioxidant and phosphite antioxidant as well as one-to-two compound of polyethylene wax and calcium stearate as lubricants as well as surface brightening agent, and a premix S1 are added into the premix S2 together, and the mixture is continuously mixed for 6 minutes to obtain a mixed product S3;
(4) And (3) putting the mixed product S3 into a double-screw extruder for melting, extruding and granulating to obtain the flame-retardant oil-resistant ABS composite material, wherein the temperature of the double-screw extruder is set to 220 ℃, the screw rotating speed is 500r/min, and the vacuum degree is-0.07 MPa.
Example 4:
the flame-retardant oil-resistant ABS composite material is prepared from the following components in parts by weight:
the specific preparation method of the composite material comprises the following steps:
(1) Firstly, adding mica and vermiculite powder into a high-speed mixer, and premixing and stirring for 9 minutes, wherein the particle size (D50) of the vermiculite powder is 45 mu m and 90 r/min. Then adding a modifier JavachemAF-600, heating to 90 ℃, mixing at a high speed for 8 minutes to enable the JavachemAF-600 to better wet and coat mica and vermiculite powder, and then cooling to room temperature to obtain a premix S1;
(2) ABS with MFR (220 ℃/10 KG) =8 g/10min and AS resin with MFR (220 ℃/10 KG) =10 g/10min are mixed for 9 minutes at the temperature of 80 ℃ to obtain a premix S2;
(3) Bromotriazine with the average grain diameter (D50) of 2 mu m and the whiteness of more than or equal to 94 and with the purity of more than or equal to 99.8 percent, antimonous oxide with the average grain diameter (D50) of 0.5 mu m, one-to-two compound of hindered amine and benzophenone as a weather-resistant agent, one-to-two compound of hindered phenol antioxidant and phosphite antioxidant as well as one-to-two compound of polyethylene wax and calcium stearate as lubricants as well as surface brightening agent, and a premix S1 are added into the premix S2 together, and the mixture is continuously mixed for 10 minutes to obtain a mixed product S3;
(4) And (3) putting the mixed product S3 into a double-screw extruder for melting, extruding and granulating to obtain the flame-retardant oil-resistant ABS composite material, wherein the temperature of the double-screw extruder is set to 225 ℃, the screw rotating speed is 550r/min, and the vacuum degree is-0.08 MPa.
Comparative example 1:
an ABS composite material is prepared from the following components in parts by weight:
the specific preparation method of the composite material comprises the following steps:
(1) Firstly, adding mica and vermiculite powder into a high-speed mixer, and premixing and stirring for 5 minutes, wherein the particle size (D50) of the vermiculite powder is 45 mu m and 70 r/min. Then adding a modifier JavachemAF-600, heating to 85 ℃, mixing at a high speed for 5 minutes to enable the JavachemAF-600 to better wet and coat mica and vermiculite powder, and then cooling to room temperature to obtain a premix S1;
(2) Mixing ABS resin at 75 ℃ for 5 minutes to obtain a premix S2;
(3) Bromotriazine with the average grain diameter (D50) of 2 mu m and the whiteness of more than or equal to 94 and with the purity of more than or equal to 99.8 percent, antimonous oxide with the average grain diameter (D50) of 0.5 mu m, one-to-two compound of hindered amine and benzophenone as a weather-resistant agent, one-to-two compound of hindered phenol antioxidant and phosphite antioxidant as well as one-to-two compound of polyethylene wax and calcium stearate as lubricants as well as surface brightening agent, and a premix S1 are added into the premix S2 together, and the mixture is continuously mixed for 6 minutes to obtain a mixed product S3;
(4) And (3) putting the mixed product S3 into a double-screw extruder for melting, extruding and granulating to obtain the ABS composite material, wherein the temperature of the double-screw extruder is set to 210 ℃, the screw rotating speed is 450r/min, and the vacuum degree is-0.05 MPa.
Comparative example 2
The flame-retardant oil-resistant ABS composite material is prepared from the following components in parts by weight:
the specific preparation method of the composite material comprises the following steps:
(1) Firstly, adding mica and vermiculite powder into a high-speed mixer, and carrying out premixing stirring for 7 minutes to obtain a premix S1, wherein the particle diameter (D50) of the vermiculite powder is 45 mu m and 80 r/min;
(2) ABS with MFR (220 ℃/10 KG) =8 g/10min and AS resin with MFR (220 ℃/10 KG) =10 g/10min are mixed for 6 minutes at the temperature of 80 ℃ to obtain a premix S2;
(3) Bromotriazine with the average grain diameter (D50) of 2 mu m and the whiteness of more than or equal to 94 and with the purity of more than or equal to 99.8 percent, antimonous oxide with the average grain diameter (D50) of 0.5 mu m, one-to-two compound of hindered amine and benzophenone as a weather-resistant agent, one-to-two compound of hindered phenol antioxidant and phosphite antioxidant as well as one-to-two compound of polyethylene wax and calcium stearate as lubricant as well as other auxiliary agents, and a premix S1 are added into the premix S2 together, and the mixture is continuously mixed for 7 minutes to obtain a mixed product S3;
(4) And (3) putting the mixed product S3 into a double-screw extruder for melting, extruding and granulating to obtain the ABS composite material, wherein the temperature of the double-screw extruder is set to 215 ℃, the screw rotating speed is 500r/min, and the vacuum degree is-0.06 MPa.
Comparative example 3:
an ABS composite material is prepared from the following components in parts by weight:
the preparation method of the ABS composite material specifically comprises the following steps:
(1) Firstly, adding vermiculite powder into a high-speed mixer, and premixing and stirring for 7 minutes, wherein the particle diameter (D50) of the vermiculite powder is 45 mu m and 80 r/min. Then adding a modifier JavachemAF-600, heating to 80 ℃, mixing at a high speed for 8 minutes to enable the JavachemAF-600 to better wet and coat vermiculite powder, and cooling to room temperature to obtain a premix S1;
(2) ABS with MFR (220 ℃/10 KG) =8 g/10min and AS resin with MFR (220 ℃/10 KG) =10 g/10min are mixed for 6 minutes at the temperature of 80 ℃ to obtain a premix S2;
(3) Bromotriazine with the average grain diameter (D50) of 2 mu m and the whiteness of more than or equal to 94 and with the purity of more than or equal to 99.8 percent, antimonous oxide with the average grain diameter (D50) of 0.5 mu m, one-to-two compound of hindered amine and benzophenone as a weather-resistant agent, one-to-two compound of hindered phenol antioxidant and phosphite antioxidant as well as one-to-two compound of polyethylene wax and calcium stearate as lubricant as well as other auxiliary agents, and a premix S1 are added into the premix S2 together, and the mixture is continuously mixed for 7 minutes to obtain a mixed product S3;
(4) And (3) putting the mixed product S3 into a double-screw extruder for melting, extruding and granulating to obtain the ABS composite material, wherein the temperature of the double-screw extruder is set to 215 ℃, the screw rotating speed is 500r/min, and the vacuum degree is-0.06 MPa.
Comparative example 4:
an ABS composite material is prepared from the following components in parts by weight:
the specific preparation method of the composite material comprises the following steps:
(1) Firstly, adding mica into a high-speed mixer, and premixing and stirring for 7 minutes at 80 r/min. Then adding a modifier JavachemAF-600, heating to 80 ℃, mixing at a high speed for 8 minutes to enable the JavachemAF-600 to better wet the coated mica, and cooling to room temperature to obtain a premix S1;
(2) ABS with MFR (220 ℃/10 KG) =8 g/10min and AS resin with MFR (220 ℃/10 KG) =10 g/10min are mixed for 6 minutes at the temperature of 80 ℃ to obtain a premix S2;
(3) Bromotriazine with the average grain diameter (D50) of 2 mu m and the whiteness of more than or equal to 94 and with the purity of more than or equal to 99.8 percent, antimonous oxide with the average grain diameter (D50) of 0.5 mu m, one-to-two compound of hindered amine and benzophenone as a weather-resistant agent, one-to-two compound of hindered phenol antioxidant and phosphite antioxidant as well as one-to-two compound of polyethylene wax and calcium stearate as lubricant as well as other auxiliary agents, and a premix S1 are added into the premix S2 together, and the mixture is continuously mixed for 7 minutes to obtain a mixed product S3;
(4) And (3) putting the mixed product S3 into a double-screw extruder for melting, extruding and granulating to obtain the ABS composite material, wherein the temperature of the double-screw extruder is set to 215 ℃, the screw rotating speed is 500r/min, and the vacuum degree is-0.06 MPa.
The ABS composite materials prepared in the examples 1-4 and the comparative examples 1-4 are tested for main physical indexes, such as tensile strength, elongation at break, bending strength, bending modulus, notched impact strength of cantilever beam, flame retardance and oil resistance retention rate according to relevant detection standards.
Examples 1-4 the test criteria and test results are shown in Table 1, and comparative examples 1-4 the test criteria and test results are shown in Table 2.
TABLE 1
TABLE 2
The oil resistance detection method comprises the following steps of, as shown in fig. 1, placing a tensile spline on a self-made tool (with the length of 145 mm), keeping the spline in a bending stress state, then smearing edible blend oil on the bending part of the spline, taking no oiling as a comparison, testing the tensile strength of the spline without oiling under stress and the tensile strength of the spline with oiling under stress respectively after 48 hours of test, and calculating to obtain the oil resistance retention rate.
By the different components in the formulas of the examples 1-4, the tensile strength, the bending strength and the oil-resistant retention rate of the prepared ABS composite material are all improved along with the increase of the AS content, and the performance effect of the ABS composite material prepared by the examples is better than that of the ABS composite material prepared by the comparative example.
By comparing the comparative example 2 with the example 2, the tensile strength, the bending strength, the impact strength and the flame retardance of the material of the comparative example 2 without the Javachem AF-600 are obviously reduced, so that the mica and the vermiculite powder are coated by the ABS composite material by adopting the Javachem AF-600, the wetting effect of the powder can be improved, the adhesive force is improved, the uniform dispersion of the mica and the vermiculite powder in the composite material is realized, meanwhile, the AS material is compounded, the oil resistance retention rate of the material is improved, and the flame retardance of the composite material is stable and reaches the UL94V0 and 5VA grades.
By comparing example 2 with comparative examples 1-4, example 2 provides beneficial effects in terms of tensile strength, flexural strength, impact strength, flame retardancy, and oil resistance retention.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (9)
1. The flame-retardant oil-resistant ABS composite material is characterized by comprising the following raw materials in parts by weight:
28-65 parts of ABS resin;
10-20 parts of AS resin;
1-5 parts of modifier JavachemAF-600;
2-6 parts of mica;
3-8 parts of vermiculite powder;
14-20 parts of bromotriazine;
4-8 parts of antimony trioxide; and
and a plurality of other auxiliary agents.
2. The flame retardant, oil resistant ABS composite of claim 1 wherein the other adjuvants comprise:
0.2-1.5 parts of weather-proof agent;
0.2-0.6 part of antioxidant;
0.5-1.0 parts of lubricant; and
0-3 parts of a surface brightening agent.
3. The flame retardant oil resistant ABS composite of claim 2 wherein the antioxidant is a hindered phenolic antioxidant and phosphite antioxidant complex.
4. The flame retardant, oil resistant ABS composite of claim 2 wherein the lubricant is a polyethylene wax and calcium stearate formulation.
5. A preparation method of a flame-retardant oil-resistant ABS composite material comprises the following steps:
premixing and stirring 2-6 parts by weight of mica and 3-8 parts by weight of vermiculite powder for 5 minutes, adding 1-5 parts by weight of modifier JavachemAF-600, heating, and mixing to obtain a premix S1;
mixing 28-65 parts by weight of ABS resin and 10-20 parts by weight of AS resin to obtain a premix S2;
mixing other auxiliary agents, the premix S1 and the premix S2 to obtain a mixed product S3;
and heating the mixed product S3 to be molten, and extruding and granulating to obtain the ABS composite material.
6. The method for preparing flame-retardant and oil-resistant ABS composite material according to claim 5, wherein 14-20 parts by weight of bromotriazine and 4-8 parts by weight of antimonous oxide are added into the premix S1 and the premix S2.
7. The method for preparing a flame-retardant and oil-resistant ABS composite material according to claim 5, wherein the other auxiliary agents comprise:
0.2-1.5 parts by weight of weather-proof agent;
0.2-0.6 part by weight of antioxidant;
0.5 to 1.0 part by weight of a lubricant; and
0-3 parts of surface brightening agent.
8. The method for preparing the flame-retardant and oil-resistant ABS composite material according to claim 5, wherein the extrusion temperature is set to be 200-235 ℃, the screw rotation speed is 400-550r/min, and the vacuum degree is-0.04-0.08 MPa.
9. The method for preparing the flame-retardant and oil-resistant ABS composite material according to claim 5, wherein the raw materials involved in the preparation method meet one or more of the following conditions:
the ABS resin is emulsion ABS, and MFR (220 ℃/10 KG) =8g/10 min;
the AS resin MFR (220 ℃/10 KG) =10g/10 min;
the mica particle diameter is 600 mu m;
the vermiculite powder has the average particle diameter: 45 μm.
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