CN109265902B - Flame-retardant ABS material and preparation method and application thereof - Google Patents
Flame-retardant ABS material and preparation method and application thereof Download PDFInfo
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- 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
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Abstract
The invention discloses a flame-retardant ABS material and a preparation method and application thereof. The flame-retardant ABS material is prepared from the following raw materials in parts by mass: 60-80 parts of ABS plastic, 6-15 parts of brominated flame retardant-antioxidant 1010 compound, 3-6 parts of antimony flame retardant, 1-3 parts of titanium dioxide, 0.5-1.2 parts of lubricant, 5-20 parts of antistatic agent, 0.3-1.0 part of antioxidant, 0.3-1 part of antibacterial agent and 0.3-1 part of anti-ultraviolet agent. Simultaneously discloses a preparation method of the flame-retardant ABS material and also discloses application of the flame-retardant ABS material. The flame-retardant ABS has good antistatic effect and the surface resistance of the flame-retardant ABS is 108～109Omega, high glossiness, no precipitation of flame retardant, flame retardant rating up to UL94V-0, long-term inhibition of bacterial growth, good antibacterial effect and the like, and is suitable for kitchen and toilet articles and electric appliance shells, especially for toilet covers. The ABS material is simple and efficient in preparation method, easy to ensure flame retardance and high-brightness and white color of the material, and high in production efficiency.
Description
Technical Field
The invention belongs to the field of high polymer materials, and particularly relates to a flame-retardant ABS material as well as a preparation method and application thereof.
Background
The ABS plastic is a terpolymer of three monomers of acrylonitrile (A), butadiene (B) and styrene (S), and the relative contents of the three monomers can be changed at will to prepare various resins. ABS has the common properties of three components, A makes it resistant to chemical corrosion and heat and has a certain surface hardness, B makes it have high elasticity and toughness, and S makes it have the processing and forming characteristics of thermoplastic plastics and improves the electrical properties. Therefore, the ABS plastic is a tough, hard and rigid material which has easily obtained raw materials, good comprehensive performance, low price and wide application. ABS plastics are widely applied to the manufacturing industries of machinery, electricity, textiles, automobiles, airplanes, ships and the like and chemical engineering.
But the oxygen index of ABS is only 18.33-20%<21) Belonging to flammable materials, which has become a great obstacle to the further popularization, application and development of ABS resin. Flame retardancy of ABS is therefore an indispensable modification. The invention can obviously improve the flame retardant property of the ABS material, so that the flame retardant grade of the ABS material reaches V0. ABS is also an insulating material and has a surface resistance of 10 or more13Omega, the static is serious, and dust is easy to absorb.
The development and application of the antibacterial plastic play a green barrier for protecting human health trees, and have very important significance for improving human living environment, reducing diseases and protecting the health of the whole people. Because the antibacterial plastic can fundamentally reduce or avoid the cross infection of bacteria among people, people and objects and between objects, the plastic products with the antibacterial function are generally regarded and welcomed by people. The preparation of antibacterial plastics has also developed at an unprecedented high speed in the last thirty years. CN103044849A discloses an antibacterial ABS plastic, the sterilization rate of which to colibacillus and staphylococcus aureus reaches more than 97%, but the antibacterial agent is obtained by compounding and has more complex components.
How to modify ABS materials to make the ABS materials have highlight, antistatic and antibacterial flame retardant materials to meet market demands is of great significance and is also the main direction of research in the field.
Disclosure of Invention
The invention aims to provide a flame-retardant ABS material and a preparation method and application thereof. The flame-retardant ABS material has the effects of high gloss, static resistance, bacteria resistance and high flame retardance, and the preparation method is simple and easy to control, and can be used for electric appliance shells of kitchen and bathroom sanitary appliances, air conditioners and the like.
The technical scheme adopted by the invention is as follows:
the flame-retardant ABS material is prepared from the following raw materials in parts by mass: 60-80 parts of ABS plastic, 6-15 parts of brominated flame retardant-antioxidant 1010 compound, 3-6 parts of antimony flame retardant, 1-3 parts of titanium dioxide, 0.5-1.2 parts of lubricant, 5-20 parts of antistatic agent, 0.3-1.0 part of antioxidant, 0.3-1 part of antibacterial agent and 0.3-1 part of anti-ultraviolet agent.
In the brominated flame retardant-antioxidant 1010 compound of the flame-retardant ABS material, the mass ratio of the brominated flame retardant to the antioxidant 1010 is (90-99.9): (0.1 to 10); the bromine flame retardant is at least one of tetrabromobisphenol A, tetrabromobisphenol A-bis (2, 3-dibromopropyl) ether, decabromodiphenylethane, hexabromocyclododecane, tris (2, 3-dibromopropyl) isocyanurate, decabromodiphenylether, brominated polystyrene, hexabromobenzene, octabromobisphenol S ether, bis (2, 3-dibromopropyl) fumarate and bromotriazine.
In the flame-retardant ABS material, the antimony flame retardant is at least one of antimony trioxide, antimony pentoxide and sodium antimonate.
In the flame-retardant ABS material, titanium dioxide is blue rutile type titanium dioxide subjected to aluminum oxide surface treatment.
In the flame-retardant ABS material, the antistatic agent is a permanent antistatic agent.
In the flame-retardant ABS material, the antibacterial agent is at least one of an inorganic antibacterial agent, an organic antibacterial agent and a natural antibacterial agent.
In the flame-retardant ABS material, the antioxidant 626 and the antioxidant 1076 are mixed according to the mass ratio of (0.5-5): (1-10) compounding the obtained mixture.
In the flame-retardant ABS material, the lubricant is at least one of stearic acid, ethylene bis stearamide, calcium stearate, zinc stearate and silicone powder.
In the flame-retardant ABS material, the anti-ultraviolet agent is at least one of UV-P, UV-9, UV-234, UV-292, UV-326, UV-327, UV-328, UV-329, UV-531, UV-622 and UV-770.
The preparation method of the flame-retardant ABS material comprises the following steps:
1) mixing and stirring a brominated flame retardant-antioxidant 1010 compound, an antimony flame retardant, titanium dioxide, a lubricant, an antioxidant, an antibacterial agent, an antistatic agent and an anti-ultraviolet agent, and pre-dispersing uniformly;
2) adding ABS resin, and mixing uniformly to obtain a mixed material;
3) and adding the mixed material into an extruder, mixing, shearing, cooling, bracing and granulating to obtain the flame-retardant ABS material.
The flame-retardant ABS material is applied to preparing kitchen and bathroom supplies or electric appliance shells.
The invention has the beneficial effects that:
the flame-retardant ABS has good antistatic effect and the surface resistance of the flame-retardant ABS is 108～109Omega, high glossiness, no precipitation of flame retardant, flame retardant rating up to UL94V-0, long-term inhibition of bacterial growth, good antibacterial effect and the like, and is suitable for kitchen and toilet articles and electric appliance shells, especially for toilet covers. The ABS material is simple and efficient in preparation method, easy to ensure flame retardance and high-brightness and white color of the material, and high in production efficiency.
Detailed Description
The flame-retardant ABS material is prepared from the following raw materials in parts by mass: 60-80 parts of ABS plastic, 6-15 parts of brominated flame retardant-antioxidant 1010 compound, 3-6 parts of antimony flame retardant, 1-3 parts of titanium dioxide, 0.5-1.2 parts of lubricant, 5-20 parts of antistatic agent, 0.3-1.0 part of antioxidant, 0.3-1 part of antibacterial agent and 0.3-1 part of anti-ultraviolet agent.
Preferably, the flame-retardant ABS material is prepared from the following raw materials in parts by mass: 63-78 parts of ABS plastic, 8-12 parts of brominated flame retardant-antioxidant 1010 compound, 3-4.5 parts of antimony flame retardant, 1-3 parts of titanium dioxide, 0.7-0.9 part of lubricant, 7-15 parts of antistatic agent, 0.5-0.7 part of antioxidant, 0.4-0.6 part of antibacterial agent and 0.5-0.7 part of anti-ultraviolet agent.
Preferably, in the flame-retardant ABS material, the Melt Index (MI) of the ABS plastic at 220 ℃ and 10kg is 20g/10 min-30 g/10min, the flexural modulus is 1800 MPa-2200 MPa, and the notched izod impact strength is more than 250J/m.
Preferably, in the brominated flame retardant-antioxidant 1010 compound of the flame-retardant ABS material, the mass ratio of the brominated flame retardant to the antioxidant 1010 is (90-99.9): (0.1 to 10); further preferably, the mass ratio of the brominated flame retardant to the antioxidant 1010 is 98: 2.
preferably, in the brominated flame retardant-antioxidant 1010 compound, the brominated flame retardant is at least one of tetrabromobisphenol A, tetrabromobisphenol A-bis (2, 3-dibromopropyl) ether, decabromodiphenylethane, hexabromocyclododecane, tris (2, 3-dibromopropyl) isocyanurate, decabromodiphenylether, brominated polystyrene, hexabromobenzene, octabromobisphenol S ether, bis (2, 3-dibromopropyl) fumarate and bromotriazine; further preferably, in the brominated flame retardant-antioxidant 1010 compound, the brominated flame retardant is brominated triazine.
Preferably, in the flame-retardant ABS material, the antimony flame retardant is at least one of antimony trioxide, antimony pentoxide and sodium antimonate.
Preferably, in the flame-retardant ABS material, the titanium dioxide is blue rutile titanium dioxide subjected to surface treatment by alumina.
Preferably, in the flame-retardant ABS material, the antistatic agent is a permanent antistatic agent; more preferably, in the flame-retardant ABS material, the antistatic agent is at least one of quaternary ammonium salt type, polyether type, internal ammonium salt type and sulfonic acid type antistatic agent; still more preferably, in the flame retardant ABS material, the antistatic agent is a copolymer of a quaternary ammonium salt and a maleimide polycondensate.
Preferably, in the flame-retardant ABS material, the antibacterial agent is at least one of an inorganic antibacterial agent, an organic antibacterial agent and a natural antibacterial agent; more preferably, in the flame-retardant ABS material, the antibacterial agent is an inorganic antibacterial agent; still preferably, in the flame-retardant ABS material, the antibacterial agent is at least one of silver-carrying zeolite ultrafine powder and an inorganic silver-zinc composite antibacterial agent; further, the inorganic antibacterial agent is a silver-carrying zeolite ultrafine powder having a particle diameter D50 of 0.5 to 1.0. mu.m, more preferably a silver-carrying zeolite ultrafine powder having a particle diameter D50 of 0.6. mu.m.
Preferably, in the flame-retardant ABS material, the antioxidant 626 and the antioxidant 1076 are mixed according to the mass ratio of (0.5-5): (1-10) compounding the obtained mixture; further preferably, in the flame-retardant ABS material, the antioxidant 626 and the antioxidant 1076 are mixed according to the mass ratio of (1-3): (3-5) compounding the obtained mixture; still further preferably, in the flame retardant ABS material, the antioxidant is 626 and the antioxidant 1076, which are mixed according to a mass ratio of 2: 4 the resulting mixture is compounded.
Preferably, in the flame-retardant ABS material, the lubricant is at least one of stearic acid, Ethylene Bis Stearamide (EBS), calcium stearate, zinc stearate and silicone powder; further preferably, in the flame-retardant ABS material, the lubricant is a mixture of calcium stearate and EBS.
Further, the lubricant is calcium stearate and EBS according to the mass ratio (1-5): 1 compounding the obtained mixture; still further preferably, the lubricant is calcium stearate and EBS according to a mass ratio of 3: 1 compounding the obtained mixture.
Preferably, in the flame-retardant ABS material, the anti-ultraviolet agent is at least one of UV-P, UV-9, UV-234, UV-292, UV-326, UV-327, UV-328, UV-329, UV-531, UV-622 and UV-770; more preferably, in the flame-retardant ABS material, the anti-ultraviolet agent is at least one of UV-9, UV-234, UV-327, UV-328, UV-329, UV-622 and UV-770; still further preferably, in the flame-retardant ABS material, the anti-ultraviolet agent is a compound formed by mixing UV329 and UV 770; furthermore, the anti-ultraviolet agent is a compound formed by mixing UV329 and UV770 in a mass ratio of 1: 1.
The preparation method of the flame-retardant ABS material comprises the following steps:
1) mixing and stirring a brominated flame retardant-antioxidant 1010 compound, an antimony flame retardant, titanium dioxide, a lubricant, an antioxidant, an antibacterial agent, an antistatic agent and an anti-ultraviolet agent, and pre-dispersing uniformly;
2) adding ABS resin, and mixing uniformly to obtain a mixed material;
3) and adding the mixed material into an extruder, mixing, shearing, cooling, bracing and granulating to obtain the flame-retardant ABS material.
Preferably, in the step 1) of the preparation method, the mixing and stirring temperature is 40-60 ℃, and the stirring time is 1.5-3 min; further preferably, in step 1) of the production method, the temperature of mixing and stirring is 50 ℃.
Preferably, in step 3) of the preparation method, the temperature of the kneading and shearing is 200 to 210 ℃.
The flame-retardant ABS material is applied to preparing kitchen and bathroom supplies or electric appliance shells.
The present invention will be described in further detail with reference to specific examples. It will also be understood that the following examples are included merely for purposes of further illustrating the invention and are not to be construed as limiting the scope of the invention, as the invention extends to insubstantial modifications and adaptations of the invention following in the light of the principles set forth herein. The specific process parameters and the like of the following examples are also only one example of suitable ranges, and the skilled person can make a selection within the suitable ranges through the description herein, and are not limited to the specific data of the following examples. The starting materials used in the examples are, unless otherwise specified, commercially available from conventional sources.
Example 1:
the flame-retardant ABS material of example 1 comprises the following raw materials in parts by weight:
78 parts of ABS plastic, 8 parts of brominated triazine-antioxidant 1010 compound (the mass ratio of brominated triazine to antioxidant 1010 is 98: 2), 3 parts of antimony trioxide, 1.5 parts of titanium dioxide, 0.8 part of lubricant (a mixture obtained by compounding calcium stearate and EBS according to the mass ratio of 3: 1), 7 parts of copolymer of quaternary ammonium salt and maleimide polycondensate, 0.6 part of antioxidant (a mixture obtained by compounding antioxidant 626 and antioxidant 1076 according to the mass ratio of 2: 4), 0.5 part of silver-loaded zeolite superfine powder antibacterial agent and 0.6 part of anti-ultraviolet agent (a compound obtained by mixing UV329 and UV770 according to the mass ratio of 1: 1).
The purity of the used bromotriazine is 99.5 percent, and the whiteness is 94 percent; the purity of the antimony trioxide used was 99.9%.
Example 1a method for preparing a flame retardant ABS material, comprising the steps of:
1) according to the mass parts, the brominated triazine-antioxidant 1010 compound, antimony trioxide, titanium dioxide, a lubricant, an antioxidant, an inorganic antibacterial agent and an anti-ultraviolet agent are stirred for 2min at 50 ℃, and are fully and uniformly dispersed;
2) adding ABS resin, stirring and mixing for 2min to obtain a mixture;
3) adding the mixture obtained in the step 2) into a double-screw extruder from a main feeding port, mixing and shearing at the processing temperature of 200-210 ℃, and carrying out water cooling, bracing and granulating to obtain the flame-retardant ABS material.
Example 2:
the flame-retardant ABS material of embodiment 2 comprises the following raw materials in parts by weight:
73 parts of ABS plastic, 12 parts of brominated triazine-antioxidant 1010 compound (the mass ratio of brominated triazine to antioxidant 1010 is 98: 2), 4.5 parts of antimony trioxide, 1 part of titanium dioxide, 0.8 part of lubricant (a mixture obtained by compounding calcium stearate and EBS according to the mass ratio of 3: 1), 7 parts of copolymer of quaternary ammonium salt and maleimide polycondensate, 0.6 part of antioxidant (a mixture obtained by compounding antioxidant 626 and antioxidant 1076 according to the mass ratio of 2: 4), 0.5 part of silver-loaded zeolite superfine powder antibacterial agent and 0.6 part of anti-ultraviolet agent (a compound obtained by mixing UV329 and UV770 according to the mass ratio of 1: 1).
The preparation method is the same as example 1, except that the raw materials are added according to the parts by weight of the raw materials in example 2.
Example 3:
the flame-retardant ABS material of example 3 comprises the following raw materials in parts by weight:
63 parts of ABS plastic, 12 parts of brominated triazine-antioxidant 1010 compound (the mass ratio of brominated triazine to antioxidant 1010 is 98: 2), 4.5 parts of antimony trioxide, 3 parts of titanium dioxide, 0.8 part of lubricant (a mixture obtained by compounding calcium stearate and EBS according to the mass ratio of 3: 1), 15 parts of copolymer of quaternary ammonium salt and maleimide polycondensate, 0.6 part of antioxidant (a mixture obtained by compounding antioxidant 626 and antioxidant 1076 according to the mass ratio of 2: 4), 0.5 part of silver-loaded zeolite ultrafine powder antibacterial agent and 0.6 part of anti-ultraviolet agent (a compound obtained by mixing UV329 and UV770 according to the mass ratio of 1: 1).
The preparation method is the same as example 1, except that the raw materials are added according to the parts by weight of the raw materials in example 3.
Comparative example 1:
the flame-retardant ABS material of comparative example 1 comprises the following raw materials in parts by weight:
58.5 parts of ABS plastic, 15 parts of decabromodiphenylethane-antioxidant 1010 compound (the mass ratio of decabromodiphenylethane to antioxidant 1010 is 98: 2), 6 parts of antimony trioxide, 3 parts of titanium dioxide, 0.8 part of lubricant (a mixture obtained by compounding calcium stearate and EBS according to the mass ratio of 3: 1), 15 parts of copolymer of quaternary ammonium salt and maleimide polycondensate, 0.6 part of antioxidant (a mixture obtained by compounding antioxidant 626 and antioxidant 1076 according to the mass ratio of 2: 4), 0.5 part of silver-loaded zeolite superfine powder antibacterial agent and 0.6 part of ultraviolet resistant agent (a compound obtained by mixing UV329 and UV770 according to the mass ratio of 1: 1).
The preparation method is the same as example 1, except that the raw materials are added according to the mass portion of the comparative example 1.
Comparative example 2:
the flame-retardant ABS material of comparative example 2 comprises the following raw materials in parts by weight:
63 parts of ABS plastic, 12 parts of tetrabromobisphenol A-antioxidant 1010 compound (the mass ratio of tetrabromobisphenol A to antioxidant 1010 is 98: 2), 4.5 parts of antimony trioxide, 3 parts of titanium dioxide, 0.8 part of lubricant (a mixture obtained by compounding calcium stearate and EBS according to the mass ratio of 3: 1), 15 parts of copolymer of quaternary ammonium salt and maleimide polycondensate, 0.6 part of antioxidant (a mixture obtained by compounding antioxidant 626 and antioxidant 1076 according to the mass ratio of 2: 4), 0.5 part of silver-loaded zeolite superfine powder antibacterial agent and 0.6 part of ultraviolet resistant agent (a compound obtained by mixing UV329 and UV770 according to the mass ratio of 1: 1).
The preparation method is the same as example 1, except that the raw materials are added according to the mass portion of the comparative example 2.
Comparative example 3:
the flame-retardant ABS material of comparative example 3 comprises the following raw materials in parts by weight:
78 parts of ABS plastic, 12 parts of brominated triazine-antioxidant 1010 compound (the mass ratio of brominated triazine to antioxidant 1010 is 98: 2), 4.5 parts of antimony trioxide, 3 parts of titanium dioxide, 0.8 part of lubricant (a mixture obtained by compounding calcium stearate and EBS according to the mass ratio of 3: 1), 0.6 part of antioxidant (a mixture obtained by compounding antioxidant 626 and antioxidant 1076 according to the mass ratio of 2: 4), 0.5 part of silver-loaded zeolite superfine powder antibacterial agent and 0.6 part of anti-ultraviolet agent (a compound obtained by mixing UV329 and UV770 according to the mass ratio of 1: 1).
The preparation method is the same as example 1, except that the raw materials are added according to the mass portion of the comparative example 3.
Comparative example 4:
the flame-retardant ABS material of comparative example 4 comprises the following raw materials in parts by weight:
82.7 parts of ABS plastic, 12 parts of brominated triazine-antioxidant 1010 compound (the mass ratio of brominated triazine to antioxidant 1010 is 98: 2), 4.5 parts of antimony trioxide and 0.8 part of lubricant (a mixture obtained by compounding calcium stearate and EBS according to the mass ratio of 3: 1).
The preparation method is the same as example 1, except that the raw materials are added according to the mass portion of the comparative example 4.
And (3) testing the material performance:
injection molding was performed using a CG110E horizontal injection machine to obtain a standard sample. The molding process conditions are as follows: injection temperature (port) 190/195/200/210 ℃ (nozzle); the injection pressure is 65 MPa; keeping the pressure for 5 s; the cooling time was 8 s.
The various performance test criteria are as follows:
melt index: testing according to ASTM D-1238 standard, 220 ℃/10 Kg;
tensile strength: testing according to ASTM D-638;
flexural strength and flexural modulus: testing was performed according to ASTM D-790;
notched impact strength: testing according to ASTM D-256;
and (3) testing the glossiness: the test was carried out according to GB/T8807-1988 standard, GU60 °;
and (3) flame retardant test: the test was carried out according to UL1694 and UL94 standards.
The test performances and flame retardant grades of the flame retardant ABS materials prepared by different formulas are shown in Table 1 below.
TABLE 1ABS materials test Properties
As can be seen from Table 1: the flame retardant ABS material prepared by the invention has the flame retardant grade reaching UL94V-0, high glossiness, no precipitation of flame retardant, small color difference, obviously reduced surface resistance after the addition of the nonionic antistatic agent, good antistatic effect, long-term inhibition of bacterial growth after the addition of the antibacterial agent, higher melt index of the examples compared with the comparative examples, basically kept in the melt index range (10-20 g/10min) of the copolymerization ABS, and less reduction of MI compared with the comparative example 4 (the example 4 is a common flame retardant ABS formula), this shows that the flame-retardant ABS material of the embodiment also has higher fluidity, is easy to be formed, is beneficial to shortening the preparation period of products, improving the production efficiency and reducing the cost, meanwhile, the tensile strength, the elongation at break, the bending strength, the notched izod impact strength and the like of the examples are all at higher levels, which shows that the flame-retardant ABS prepared by the invention has better comprehensive properties.
Compared with the prior art, the prepared ABS material has the following advantages:
1. the flame-retardant ABS has good antistatic effect and the surface resistance of the flame-retardant ABS is 108～109Omega, high glossiness, no precipitation of flame retardant, flame retardant rating up to UL94V-0, long-term inhibition of bacterial growth, good antibacterial effect and the like.
2. The preparation method is simple and efficient, is easy to ensure the flame retardance and the high-brightness and white color of the material, and has high production efficiency.
3. The ABS plastic is selected as a base material, the material has good processing plasticity, is suitable for injection molding of various products, has high grade, and simultaneously has good toughness, impact resistance, deformation resistance and chemical corrosion resistance.
4. The invention selects the brominated triazine-antimony trioxide flame-retardant system, the brominated triazine has pure white appearance, large molecular weight, complex structure, good thermal stability and electrical property, and excellent light resistance, the molecular weight is large, the melting point is close to the processing temperature of ABS resin, and the compatibility is good, so that the flame-retardant product has better mechanical property, the loss of the mechanical property and physical property of the flame-retardant product to the ABS resin is obviously less than that of tetrabromo, decabromo and the like, the highlight effect is good, and the flame-retardant product is suitable for manufacturing highlight bright white products.
5. The invention selects and adds rutile type titanium dioxide, can improve the shading property of the flame-retardant ABS, the titanium dioxide has good heat resistance, does not deform and migrate, and has blue-phase hue after the surface treatment of alumina, and the titanium dioxide is added into the flame-retardant ABS, so that the flame-retardant ABS has higher brightness and whiteness.
6. The lubricant selected by the invention is a mixture of calcium stearate and EBS, the calcium stearate can be used as an acid-absorbing agent of the flame retardant, the calcium stearate is decomposed into stearic acid and corresponding calcium salt when meeting acid, the acid decomposed from the flame retardant can be absorbed in the processing process, the flame retardant can be protected, the heat resistance of the calcium stearate is good, and the calcium stearate and the EBS are both high-efficiency lubricants of ABS, thereby being beneficial to product demoulding.
7. The copolymer of quaternary ammonium salt of high-molecular permanent antistatic agent and polycondensate of maleimide has high compatibility with ABS, and the high-molecular permanent antistatic agent is mainly distributed on the surface layer of product in fine layer or rib form to form conductive surface layer, and is distributed in central part in almost spherical form to form so-called 'core-shell structure', and the so-called 'core-shell structure' is used as channel to leak static charge. Because the macromolecular permanent antistatic agent achieves the antistatic effect by reducing the volume resistivity of the material and does not completely depend on surface water absorption, the influence of the humidity of the environment is small, and the antistatic effect is good.
8. The antioxidant selected by the invention is a compound of the antioxidant 626 and the antioxidant 1010, the antioxidant 626 is a high-efficiency phosphite antioxidant which is superior to the common phosphite antioxidant, the polymer can obtain better processing stability, the color stability and the long-term aging resistance are ensured, the antioxidant 1076 is a hindered phenol antioxidant commonly used for engineering plastics, the price is low, the extraction resistance is strong, the compatibility is good, and the antioxidant 626 and the antioxidant 1076 are compounded for use, so that the long-acting stable protection is provided for the flame-retardant ABS.
9. The inorganic antibacterial agent selected by the invention is a silver-carrying zeolite ultrafine powder antibacterial agent, the effective component Ag ions have antibacterial effects on gram-negative bacteria such as escherichia coli and pseudomonas aeruginosa, gram-positive bacteria such as staphylococcus aureus and MRSA, and wide-range microorganisms such as aspergillus niger and penicillium, the inorganic silver agent has low addition amount, has high-efficiency broad-spectrum antibacterial performance and good heat resistance and discoloration resistance, and can keep antibacterial and mildew-proof effects for a long time.
10. The selected anti-ultraviolet agent is a compound of a light stabilizer UV-770 and an anti-ultraviolet absorbent UV-329, and the UV-770 is a high-efficiency hindered amine light stabilizer which is compounded with the anti-ultraviolet absorbent, so that the light stability effect is better, and the anti-ultraviolet agent is added into flame-retardant ABS to improve the light stability of ABS products.
11. The invention is stirred at a high speed at 50 ℃, can volatilize the water of the auxiliary agent during stirring, and then adds the copolymerized ABS in proportion to carry out high-speed mixing for 2min, so that the ABS resin and various auxiliary agents are mixed.
12. The flame-retardant ABS material is prepared by mixing, shearing and granulating at the temperature of 200-210 ℃, has a good protective effect on a bromine flame retardant and a lubricant, and does not excessively consume auxiliary agents such as an antioxidant, an anti-ultraviolet agent and the like in the processing process to influence the long-term aging performance.
Claims (3)
1. A flame-retardant ABS material is characterized in that: the composite material is prepared from the following raw materials in parts by mass: 60-80 parts of ABS plastic, 6-15 parts of brominated flame retardant-antioxidant 1010 compound, 3-6 parts of antimony flame retardant, 1-3 parts of titanium dioxide, 0.5-1.2 parts of lubricant, 5-20 parts of antistatic agent, 0.3-1.0 part of antioxidant, 0.3-1 part of antibacterial agent and 0.3-1 part of anti-ultraviolet agent;
in the brominated flame retardant-antioxidant 1010 compound, the mass ratio of the brominated flame retardant to the antioxidant 1010 is (90-99.9): (0.1 to 10);
in the brominated flame retardant-antioxidant 1010 compound, the brominated flame retardant is brominated triazine;
the antimony flame retardant is antimony trioxide;
the titanium dioxide is blue rutile titanium dioxide subjected to surface treatment by alumina;
the lubricant is a mixture compounded by calcium stearate and EBS;
the antistatic agent is a copolymer of quaternary ammonium salt and maleimide polycondensate;
the antioxidant is an antioxidant 626 and an antioxidant 1076, and the mass ratio is (0.5-5): (1-10) compounding the obtained mixture;
the antibacterial agent is silver-loaded zeolite superfine powder;
the uvioresistant agent is a compound formed by mixing UV329 and UV 770.
2. The preparation method of the flame-retardant ABS material of claim 1 is characterized in that: the method comprises the following steps:
1) mixing and stirring a brominated flame retardant-antioxidant 1010 compound, an antimony flame retardant, titanium dioxide, a lubricant, an antioxidant, an antibacterial agent, an antistatic agent and an anti-ultraviolet agent, and pre-dispersing uniformly;
2) adding ABS resin, and mixing uniformly to obtain a mixed material;
3) and adding the mixed material into an extruder, mixing, shearing, cooling, bracing and granulating to obtain the flame-retardant ABS material.
3. Use of the flame-retardant ABS material according to claim 1 for the production of kitchen or toilet articles or housings for electrical appliances.
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| CN111500011A (en) * | 2019-12-12 | 2020-08-07 | 重庆会通科技有限公司 | Household flame-retardant weather-resistant high-gloss ABS material and preparation method thereof |
| CN111087749A (en) * | 2019-12-28 | 2020-05-01 | 会通新材料股份有限公司 | Permanent antibacterial antistatic ABS alloy material and preparation method and application thereof |
| CN112521715A (en) * | 2020-11-17 | 2021-03-19 | 昆山合顺通塑胶有限公司 | Ceramic white scratch-resistant, antibacterial and flame-retardant ABS material for cleaning and sanitation and preparation method thereof |
| CN112778689B (en) * | 2020-12-28 | 2023-03-10 | 金旸（厦门）新材料科技有限公司 | Highlight flame-retardant antibacterial ABS material and preparation method thereof |
| CN115044163A (en) * | 2022-07-08 | 2022-09-13 | 安徽和盛新材料科技有限公司 | Antibacterial antistatic ABS flame-retardant color master batch and preparation system thereof |
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| CN107163487A (en) * | 2017-06-06 | 2017-09-15 | 武汉顺威赛特工程塑料有限公司 | A kind of toilet lid special-purpose anti-flaming ABS material and preparation method thereof |
| CN108314870A (en) * | 2018-02-09 | 2018-07-24 | 青岛国恩科技股份有限公司 | A kind of intelligent appliance shock resistance flame-proof antibiotic ABS material and preparation method thereof |
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| CN107163487A (en) * | 2017-06-06 | 2017-09-15 | 武汉顺威赛特工程塑料有限公司 | A kind of toilet lid special-purpose anti-flaming ABS material and preparation method thereof |
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