CN114369330A - Rat-proof flame-retardant ABS composition and preparation and application thereof - Google Patents
Rat-proof flame-retardant ABS composition and preparation and application thereof Download PDFInfo
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- CN114369330A CN114369330A CN202111519718.8A CN202111519718A CN114369330A CN 114369330 A CN114369330 A CN 114369330A CN 202111519718 A CN202111519718 A CN 202111519718A CN 114369330 A CN114369330 A CN 114369330A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
Abstract
The invention relates to a rat-proof flame-retardant ABS composition, and a preparation method and an application thereof, wherein the rat-proof flame-retardant ABS composition comprises the following steps: ABS resin, flame retardant synergist, toughening agent, ratproof agent and auxiliary agent. The ABS composition has good flame retardant property, physical property and rat-proof property.
Description
Technical Field
The invention belongs to the field of modified plastics, and particularly relates to an ABS composition, and preparation and application thereof.
Background
styrene-butadiene-Acrylonitrile (ABS) resin has the characteristics of both the rigidity and heat resistance of acrylonitrile, the gloss and processability of polystyrene, the impact resistance of polybutadiene and the like, and is widely applied to the fields of household appliances, office equipment, instruments and meters, transportation, building materials, daily appliances, packaging materials and the like.
In the modern society, the requirement for the fire-proof safety of materials is higher and higher. In the field of household appliances and the like, there is a risk of short-circuit ignition due to contact with electricity, and thus flame retardancy is required for the material. In addition, plastic with little nutritive value can be bitten and damaged by rats due to the biting habit of the rats in the foraging process. The mouse gets into the plastic product, which may cause a risk of leakage short circuit.
Therefore, the rat-proof flame-retardant ABS composition has a great market.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a rat-proof flame-retardant ABS composition and preparation and application thereof.
The invention relates to an ABS composition, which comprises the following components in parts by weight:
the rat-proof agent consists of an inorganic rat-proof agent and an organic rat-proof agent, wherein the mass ratio of the inorganic rat-proof agent to the organic rat-proof agent is 2 (2-6); wherein the inorganic rat-proof agent is sodium molybdate and/or sodium tungstate; the organic rat-proof agent is an organophosphorus drug.
Preferably, the mass ratio of the inorganic rat-proof agent to the organic rat-proof agent is 2 (3-5).
Preferably, the bromine-containing flame retardant is one or more of decabromodiphenylethane, brominated epoxy, brominated triazine, brominated imine, tetrabromobisphenol A and octabromoether.
Preferably, the flame-retardant synergist is at least one of antimony trioxide and talcum powder.
Preferably, the toughening agent is one or more of high rubber powder, SBS, SEBS and MBS.
Preferably, the organophosphorus drug is phosphorus dibromide.
Preferably, the auxiliary agent is one or a mixture of several of a heat stabilizer, a light stabilizer, a processing aid, a toner and a pigment.
The auxiliary agents can be used singly or in a composite way according to different technical requirements and the like. The heat stabilizer can improve the heat aging resistance of the material during processing and use, and can be selected from more than one of phenols, phosphites and thioesters. The light stabilizer can improve the light aging resistance of the material in the using process and can be hindered amine or ultraviolet absorbent. The processing aid is one or more of low molecular ester stearic acid, metal soap (CABST, Znst), stearic acid complex ester or amide (erucamide).
Preferably, the components comprise the following components in parts by weight:
the invention provides a preparation method of the ABS composition, which comprises the following steps:
weighing the components in parts by weight, uniformly mixing the ABS resin, the flame retardant, the flame-retardant synergist, the toughening agent, the rat-proofing agent and the auxiliary agent to obtain a premix, and then carrying out melt extrusion, granulation and drying to obtain the ABS composition.
Preferably, the melt extrusion conditions are: the first zone temperature is 180-; the length-diameter ratio of the twin-screw extruder is 40: 1.
The invention provides an application of the ABS composition in the fields of household appliances, automobiles or electronics and electrics.
In the ABS composition, the molybdenum element/tungsten element of the inorganic ratproof agent has the function of low-temperature catalytic carbonization on plastics, and can promote the polymer in the system to generate cross-linking reaction when being heated to generate carbide, and the carbide covers the surface of the material to form a protective layer, thereby playing the role of isolating oxygen and heat; meanwhile, the organic phosphorus rat-proofing agent is easy to decompose to generate phosphoric acid when being heated, has strong dehydration and carbon formation effects, and forms a protective layer in a condensed phase to isolate oxygen and heat; simultaneously, releasing inert gas to dilute the oxygen concentration in the combustible region; the bromine-antimony flame retardant system in the same gas phase is mutually cooperated and supplemented, and the flame retardant property and the rat-proof effect are greatly improved.
Advantageous effects
The rat-proof flame-retardant ABS composition has the effects of fire prevention and flame retardance, and also has the rat-proof effect of preventing short circuit of an electric appliance caused by biting of rats, and is applied to contact parts of the electric appliance.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Firstly, the sources of all components are as follows:
ABS resin: ningbo Taiwan, ABS AG12A 1;
flame retardant:
flame retardant-1: israel dead sea bromine Inc., FR-245; (Bromotriazine flame retardant)
Flame retardant-2, Israel dead sea bromine, FR-1524; (tetrabromobisphenol a flame retardant);
flame retardant-3, yake science and technology ltd, jiang su, BDP-H; (phosphate flame retardant);
flame retardant synergist: antimony flash, antimony trioxide, S-05N;
a toughening agent: high gelatine powder, korea brocade lake, HR 181;
a ratproof agent:
sodium molybdate: wujiang City Yichen Fine chemical Co., Ltd;
sodium tungstate: wujiang City Yichen Fine chemical Co., Ltd;
phosphorus dibromide: DR-EHREN, Germany;
the mass ratio of the rat-proof agent-1 sodium molybdate to the phosphorus dibromide is 2: 3;
the mass ratio of the rat-proof agent-2 sodium molybdate to the phosphorus dibromide is 2: 2;
the mass ratio of the rat-proof agent-3 sodium molybdate to the phosphorus dibromide is 2: 6;
the mass ratio of the ratproof agent-4 sodium tungstate to the phosphorus dibromide is 2: 3;
the mass ratio of the ratproof agent-5 sodium molybdate to the phosphorus dibromide is 4: 2.
Auxiliary agent:
antioxidant agent
1. Hindered phenol type: 1010 commercially available;
2. phosphite type: 168 commercially available;
processing aid
Stearates are commercially available;
the mass ratio of hindered phenol, phosphite ester and stearate in the auxiliary agent is 1:1: 2.
The auxiliary agents used in the examples and comparative examples were the same commercial products.
II, relevant test standards and methods:
notched izod impact strength: the test was carried out according to GB/T1843-2008, the test temperature: 23. + -. 2 ℃ humidity: 50 +/-5%, type A notch.
Flame retardant property: testing according to GB/T2408 + 2008, wherein the testing temperature is as follows: 23. + -. 2 ℃ humidity: 50 ± 5%, spline thickness: 2.0 mm.
Degree of rat damage: the test was carried out with reference to GB/T34016-. The coupons were 1dm by 2mm in size and 5 coupons were suspended uniformly in a 10dm by 5dm metal cage.
Examples 1 to 10
The parts by weight of the components of the ABS composition are shown in Table 1.
The preparation method comprises the following steps:
(1) mixing ABS resin, flame retardant synergist, toughening agent, ratproof agent and auxiliary agent in a high-speed mixer for 1-3 min; uniformly mixing to obtain a premix;
(2) and (3) placing the premix in a double-screw extruder, performing melt extrusion, granulating and drying to obtain the composite material.
The conditions of the melt extrusion are as follows: the first zone temperature is 180-; the length-diameter ratio of the twin-screw extruder is 40: 1.
TABLE 1 EXAMPLES 1-10 the respective component contents (in parts by weight)
Comparative examples 1 to 6
The ABS composition is prepared in the same manner as in the above examples, with the components in parts by weight shown in Table 2.
TABLE 2 content of each component (parts by weight) of comparative examples 1 to 6
Table 3 shows the effect of the properties of the examples
Table 4 shows the performance effects of the comparative examples
It can be known from comparative examples 1 and 2 that the bromine-containing flame retardant or the rodenticide is omitted, and the flame retardant and the pest control performance are poor, and compared with comparative examples 1 and 2 and example 1, the bromine-containing flame retardant and the rodenticide are synergistically compounded to achieve the good flame retardant and the good pest control performance.
As can be seen from comparative example 3, the system using the ratproof agent and other bromine-free flame retardants does not achieve good flame retardant and insect control performance. Comparative example 4 shows that the ratproof agent not in the formulation of the present invention has poor insect control performance.
The material is suitable for the electric control box of electronic and electric appliances, the product has certain requirements on the mechanical strength of the material besides the requirements of flame retardance and rat damage prevention, and the notch impact strength of a common cantilever beam is more than 15kJ/m2And (4) finishing.
Claims (8)
1. The ABS composition is characterized by comprising the following components in parts by weight:
the rat-proof agent consists of an inorganic rat-proof agent and an organic rat-proof agent, wherein the mass ratio of the inorganic rat-proof agent to the organic rat-proof agent is 2: 2-6;
wherein the inorganic rat-proof agent is sodium molybdate and/or sodium tungstate; the organic rat-proof agent is an organophosphorus medicament.
2. The composition as claimed in claim 1, wherein the bromine-containing flame retardant is one or more of decabromodiphenylethane, brominated epoxy, brominated triazine, brominated imine, tetrabromobisphenol A, and octabromoether.
3. The composition of claim 1, wherein the flame retardant synergist is at least one of antimony trioxide and talc.
4. The composition of claim 1, wherein the toughening agent is one or more of high rubber powder, SBS, SEBS and MBS.
5. The composition of claim 1, wherein the mass ratio of the inorganic anti-rat agent to the organic anti-rat agent is 2: 3-5.
6. The composition according to claim 1, which comprises the following components in parts by weight:
7. a method of preparing the ABS composition of claim 1 comprising:
weighing the components in parts by weight, uniformly mixing the ABS resin, the flame retardant, the flame-retardant synergist, the toughening agent, the rat-proofing agent and the auxiliary agent to obtain a premix, and then carrying out melt extrusion, granulation and drying to obtain the ABS composition.
8. Use of the ABS composition according to claim 1 in the field of household appliances, automobiles or electronics and electrical.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111519718.8A CN114369330B (en) | 2021-12-13 | 2021-12-13 | Rat-proof flame-retardant ABS composition, and preparation and application thereof |
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| CN202111519718.8A CN114369330B (en) | 2021-12-13 | 2021-12-13 | Rat-proof flame-retardant ABS composition, and preparation and application thereof |
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| CN114369330A true CN114369330A (en) | 2022-04-19 |
| CN114369330B CN114369330B (en) | 2023-07-14 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107177086A (en) * | 2016-03-11 | 2017-09-19 | 杜义勇 | A kind of rat-and-ant proof cracking resistance flame-proof cable sheath material |
| CN109892348A (en) * | 2017-12-08 | 2019-06-18 | 新昌县洋花园生态农业园 | It is a kind of to bite the additive stung with anti-snake mouse |
| WO2020108204A1 (en) * | 2018-11-27 | 2020-06-04 | 金发科技股份有限公司 | Abs composite material |
| WO2020114316A1 (en) * | 2018-12-03 | 2020-06-11 | 金发科技股份有限公司 | Abs composition and preparation method for abs composition |
-
2021
- 2021-12-13 CN CN202111519718.8A patent/CN114369330B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107177086A (en) * | 2016-03-11 | 2017-09-19 | 杜义勇 | A kind of rat-and-ant proof cracking resistance flame-proof cable sheath material |
| CN109892348A (en) * | 2017-12-08 | 2019-06-18 | 新昌县洋花园生态农业园 | It is a kind of to bite the additive stung with anti-snake mouse |
| WO2020108204A1 (en) * | 2018-11-27 | 2020-06-04 | 金发科技股份有限公司 | Abs composite material |
| WO2020114316A1 (en) * | 2018-12-03 | 2020-06-11 | 金发科技股份有限公司 | Abs composition and preparation method for abs composition |
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| CN114369330B (en) | 2023-07-14 |
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