CN108929515B - Preparation method of ABS/polyester alloy composition - Google Patents
Preparation method of ABS/polyester alloy composition Download PDFInfo
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- CN108929515B CN108929515B CN201710388782.4A CN201710388782A CN108929515B CN 108929515 B CN108929515 B CN 108929515B CN 201710388782 A CN201710388782 A CN 201710388782A CN 108929515 B CN108929515 B CN 108929515B
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- 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
- C08K2201/011—Nanostructured additives
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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
- 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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- 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
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a preparation method of an ABS/polyester alloy composition, which comprises the following components: 50-90 parts of ABS resin; 10-50 parts of polyester; 1-5 parts of a compatibilizer. The invention uses the internal mixer as the reaction equipment of the ABS, the polyester and the compatibilizer, improves the compatibilization efficiency of the compatibilizer, improves the compatibility of the ABS and the polyester, ensures that the prepared ABS/polyester alloy composition not only can obtain excellent impact property, but also can keep excellent fluidity, and has obvious technical and market values.
Description
Technical Field
The invention belongs to the field of high polymer materials, and particularly relates to a preparation method of an ABS/polyester alloy composition.
Background
Styrene-butadiene-acrylonitrile copolymers (ABS resins) have been widely used in various fields such as home appliances, automobiles, and electronic products, because they have toughness of Polybutadiene (PB), chemical stability of Polyacrylonitrile (PAN), and rigidity and gloss of Polystyrene (PS). The polyester resin belongs to engineering plastics and has the advantages of high strength, high modulus, high hardness, scratch resistance, excellent solvent resistance and the like. The ABS resin and the polyester resin are prepared into alloy, so that excellent comprehensive performance can be obtained, and the ABS resin and the polyester resin have good economic benefit. However, ABS resin and polyester are thermodynamically incompatible systems, so that the alloy prepared by the conventional method has poor mechanical properties (especially impact properties) and has little use value.
In order to solve the compatibility problem between ABS and polyester, various compatibilization components are generally added to reduce the interfacial energy between two phases and strengthen the bonding force between the interfaces to achieve the purpose. For example, Chinese patent CN 103408887A discloses an ABS/PBT alloy material and a preparation method thereof, and the compatibility of an ABS/PBT binary blending system can be better solved by adopting 2-5 parts of compatibilizer. Chinese patent CN 104910595A discloses a preparation method of a high-toughness PBT/ABS thermoplastic resin composition, which adopts 1-5 parts of methyl methacrylate-glycidyl methacrylate-ethyl acrylate (MMA-GMA-EA) terpolymer as a compatibilizer. The compatibilization efficiency is improved by a method of preparing the compatibilization master batch by extruding PBT and the compatibilizer through a double screw, and then blending the master batch with ABS, an antioxidant, a lubricant and the like. Chinese patent CN 103224695 discloses a high impact recycled PET/ABS alloy composition and a preparation method thereof, and the performance of the alloy composition is improved by a method of self-making ester exchange master batch. It is worth noting that in the prior art, various epoxy or anhydride compatibilizers are required to improve the compatibility of ABS and PBT, so as to obtain alloy properties with better mechanics. However, because the compatibilization component has short residence time and limited reaction activity in the traditional twin screw, the compatibilization component is difficult to fully react in a melt, so that the performance of the compatibilization effect is limited, and the fluidity of the composition is greatly reduced by adding the compatibilization component.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention mainly aims to provide a preparation method of an ABS/polyester alloy composition.
The invention is realized by the following technical scheme:
the preparation method of the ABS/polyester alloy composition comprises the following components in parts by weight:
50-90 parts of ABS resin;
10-50 parts of polyester resin;
1-5 parts of a compatibilizer;
the method is characterized by comprising the following steps:
a. melting, mixing, extruding and granulating ABS resin, polyester resin and compatibilizer which account for 20-40 wt% of the total amount of the ABS resin by an internal mixer;
b. and c, melting and blending the particles prepared in the step a with the rest ABS resin, antioxidant, nucleating agent and lubricant through a double-screw extruder, and extruding and granulating to prepare the ABS/polyester alloy composition.
According to the invention, the ABS resin is added in two steps, and the addition amount of the ABS resin in the step a is controlled to be 20-40 wt%, so that the system can keep proper viscosity, and thus the full reaction is ensured. Preferably, in step a, the addition amount of the ABS resin accounts for 28wt% to 35 wt% of the total amount of the ABS resin.
Preferably, in the step a, the temperature of the internal mixer is 200-280 ℃, the rotating speed of a rotor is 50-300 rpm, and the mixing time is 2-20 min.
Preferably, in the step b, the temperature of the first zone to the second zone of the double-screw extruder is 120-190 ℃, the temperature of the third zone to the fifth zone is 200-280 ℃, the temperature of the fifth zone to the tenth zone is 200-240 ℃, and the rotating speed of the screw is 300-600 rpm.
The polyester resin is one or a mixture of polybutylene terephthalate (PBT), polyethylene terephthalate (PET), polyethylene terephthalate-1, 4-cyclohexane dimethanol ester (PETG) or Polycarbonate (PC).
The compatibilizer is one or a mixture of more of styrene-acrylonitrile-glycidyl methacrylate, styrene-maleic anhydride copolymer or styrene-acrylonitrile-maleic anhydride copolymer.
The ABS/polyester alloy composition is characterized by further comprising 0.1 to 1.5 parts by weight of antioxidant, 0.1 to 3.0 parts by weight of nucleating agent and 0.1 to 1.5 parts by weight of lubricant.
The antioxidant is one or more of hindered phenol antioxidant and phosphite antioxidant, such as antioxidant 1010 and antioxidant 168.
The nucleating agent is one or more of vinyl acetate-vinyl acetate copolymer, nano montmorillonite and nano talcum powder, and specifically comprises honeywell 295A, SURLYN 8920 and the like.
The lubricant is one or more of polysiloxane, calcium stearate, magnesium stearate, zinc stearate, PE wax, PP wax or vinyl bis stearamide, such as vinyl bis stearamide EBS.
Compared with the prior art, the invention has the following beneficial effects:
the invention uses the internal mixer as the reaction equipment of the ABS, the polyester and the compatibilizer, improves the compatibilization efficiency of the compatibilizer, improves the compatibility of the ABS and the polyester, ensures that the prepared ABS/polyester alloy composition not only can obtain excellent impact property, but also can keep excellent fluidity, and has obvious technical and market values.
Detailed Description
The following examples are given to specifically describe the present invention, but are not limited thereto.
The raw materials used in the examples and comparative examples are now described below, but are not limited to these materials:
the compatibilizer is styrene-acrylonitrile-glycidyl methacrylate, and is easy SAG-002 which is increased by Nantong day;
the antioxidant is 1010 and 168 produced by CIBA company;
the nucleating agent is 295A produced by Honeywell company;
the lubricant is vinyl bis stearamide EBS B50;
the ABS resin is ABS DG-MG29 of Tianjin staphylol;
the PBT resin is PBT GX-112 of China petrochemical marked chemical fiber;
the PET resin is PET SB500 of China petrochemical characterized chemical fiber;
the twin-screw extruder is an STS65 twin-screw extruder manufactured by Kekuilong (Nanjing) machinery Co.Ltd;
the internal mixer is an internal rubber mixing machine LN-10L produced by Guangdong Lina industry Co.
Comparative examples 1 to 4:
uniformly mixing the components according to the proportion in the table 1, and then carrying out melt blending and extrusion granulation by using a double-screw extruder to prepare the ABS/polyester alloy composition; the temperature of the first zone to the second zone of the double screw extruder is 120 ℃ to 190 ℃, and the temperature of the third zone to the fifth zone of the double screw extruder is 200 ℃ to E
The temperature of the five to ten areas is 200 to 240 ℃ at 280 ℃, and the rotating speed of the screw is 300 to 600 rpm.
Example 1:
a. according to the mixture ratio of table 1, melting and mixing ABS resin accounting for 30 wt% of the total amount of the ABS resin, polyester resin and compatibilizer by an internal mixer, extruding and granulating;
b. and c, melting and blending the particles prepared in the step a with the rest ABS resin, antioxidant, nucleating agent and lubricant through a double-screw extruder, and extruding and granulating to prepare the ABS/polyester alloy composition.
In the step a, the temperature of the internal mixer is 260 ℃, the rotating speed of a rotor is 100rpm, and the mixing time is 10 min.
In the step b, the temperature of the first zone to the second zone of the double-screw extruder is 120-190 ℃, the temperature of the third zone to the fifth zone is 200-280 ℃, the temperature of the fifth zone to the tenth zone is 200-240 ℃, and the rotating speed of the screw is 300-600 rpm.
Example 2:
the step a is as follows: according to the mixture ratio of table 1, melting and mixing ABS resin accounting for 20wt% of the total amount of the ABS resin, polyester resin and compatibilizer by an internal mixer, extruding and granulating;
in the step a, the temperature of the internal mixer is 250 ℃, the rotating speed of a rotor is 150rpm, and the mixing time is 15 min;
the rest is the same as example 1.
Example 3:
the step a is as follows: according to the mixture ratio of table 1, melting and mixing ABS resin accounting for 40wt% of the total amount of the ABS resin, polyester resin and compatibilizer by an internal mixer, extruding and granulating;
in the step a, the temperature of the internal mixer is 260 ℃, the rotating speed of a rotor is 120rpm, and the mixing time is 12 min;
the rest is the same as example 1.
Example 4:
the step a is as follows: according to the mixture ratio of table 1, melting and mixing ABS resin accounting for 22 wt% of the total amount of the ABS resin, polyester resin and compatibilizer by an internal mixer, extruding and granulating;
the rest is the same as example 1.
Comparative example 5:
the step a is as follows: according to the mixture ratio of table 1, melting and mixing ABS resin accounting for 10 wt% of the total amount of the ABS resin, polyester resin and compatibilizer by an internal mixer, extruding and granulating;
the rest is the same as example 1.
Comparative example 6:
the step a is as follows: according to the mixture ratio of table 1, melting and mixing ABS resin accounting for 55 wt% of the total amount of the ABS resin, polyester resin and compatibilizer by an internal mixer, extruding and granulating;
the rest is the same as example 1.
The performance test results of the ABS/polyester alloy compositions prepared in comparative examples 1-6 and examples 1-4 are shown in Table 2. The notch impact strength is tested according to the ISO 180 standard, and the notch type is A type; the tensile strength is tested according to ISO 527 standard, and the tensile speed is 50 mm/min; the bending strength is tested according to ISO 178 standard, and the bending speed is 2 mm/min; the melt index test condition is 260 ℃/5 kg; the elongation at break is measured according to ISO 527 standard.
TABLE 1 concrete compounding ratio (parts by weight) of each component in each example and comparative example
TABLE 2 Performance test data for each of the examples and comparative examples
As can be seen from comparative examples 1 and 2 of Table 2, although the epoxy compatibilizer SAG improves the impact properties of the ABS/polyester alloy composition, the addition of SAG also greatly reduces the fluidity of the composition. By comparing example 1 with comparative example 2, and comparing example 2 with comparative example 3, it can be seen that the ABS/polyester alloy composition prepared according to the present invention can improve the compatibilization efficiency of the compatibilizer through a specific process, and the amount of SAG can be reduced. As can be seen from the example 1 and the comparative example 4, under the condition of a small addition amount of the compatibilizer, the prepared ABS/polyester alloy composition not only can obtain excellent impact property, but also can keep excellent fluidity, and has obvious technical and market values.
Claims (4)
1. The preparation method of the ABS/polyester alloy composition comprises the following components in parts by weight:
50-60 parts of ABS resin;
40-50 parts of polyester resin;
1-2 parts of a compatibilizer;
the polyester resin is one or a mixture of polybutylene terephthalate (PBT) and polyethylene terephthalate (PET);
the compatibilizer is styrene-acrylonitrile-glycidyl methacrylate;
the method is characterized by comprising the following steps:
a. melting, mixing, extruding and granulating ABS resin, polyester resin and compatibilizer which account for 20-40 wt% of the total amount of the ABS resin by an internal mixer; wherein the temperature of the internal mixer is 200-280 ℃, the rotating speed of a rotor is 50-300 rpm, and the mixing time is 2-20 min;
b. and c, melting and blending the particles prepared in the step a and the rest ABS resin through a double-screw extruder, and extruding and granulating to prepare the ABS/polyester alloy composition.
2. The method for preparing the ABS/polyester alloy composition according to claim 1, wherein the ABS resin is added in an amount of 28wt% to 35 wt% based on the total amount of the ABS resin in step a.
3. The preparation method of the ABS/polyester alloy composition as claimed in claim 1, further comprising 0.1 to 1.5 parts by weight of an antioxidant, 0.1 to 3.0 parts by weight of a nucleating agent, and 0.1 to 1.5 parts by weight of a lubricant.
4. The preparation method of the ABS/polyester alloy composition as claimed in claim 3, wherein the antioxidant is one or a mixture of hindered phenol antioxidant and phosphite antioxidant; the nucleating agent is one or a compound of more of vinyl acetate-vinyl acetate copolymer, nano montmorillonite and nano talcum powder; the lubricant is one or a mixture of more of polysiloxane, calcium stearate, magnesium stearate, zinc stearate, PE wax, PP wax or vinyl bis stearamide.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110003602A (en) * | 2019-04-13 | 2019-07-12 | 苏州旭光聚合物有限公司 | A kind of automobile modified ABS composite material |
| CN110317435B (en) * | 2019-06-20 | 2021-09-17 | 上海金发科技发展有限公司 | Multifunctional cold-resistant low-odor composite material and preparation method thereof |
| CN111171505A (en) * | 2020-02-28 | 2020-05-19 | 广东锦湖日丽高分子材料有限公司 | Chemical-resistant high-impact ABS/PBT composite material and preparation method thereof |
| CN111499791B (en) * | 2020-05-13 | 2021-10-29 | 佳易容聚合物(上海)有限公司 | Application of multi-random copolymer in improving phase structure and phase stability of polyester/styrene resin alloy |
| CN112724577B (en) * | 2020-12-22 | 2022-08-30 | 金发科技股份有限公司 | Scratch-resistant ACS/PBAT compound and preparation method and application thereof |
| CN114292488B (en) * | 2022-01-18 | 2024-05-28 | 宁波龙洋塑化科技有限公司 | Anti-sticking oil-resistant ABS alloy material, and preparation method and application thereof |
| CN115975333A (en) * | 2022-09-20 | 2023-04-18 | 广东拓亿信息科技有限公司 | Corrosion-resistant environment-friendly plastic shell and preparation method thereof |
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| CN101117426A (en) * | 2007-07-20 | 2008-02-06 | 上海金发科技发展有限公司 | Mass acrylonitrile-butadiene-phenylethene and polyterephthalic acid butanediol fat compound and preparation method thereof |
| CN101205353A (en) * | 2006-12-20 | 2008-06-25 | 上海日之升新技术发展有限公司 | Impact property improved PBT and ABS alloy material |
| CN103013066A (en) * | 2012-12-14 | 2013-04-03 | 上海锦湖日丽塑料有限公司 | High face impact PET/ABS (polyethylene Terephthalate/acrylonitrile-butadiene-styrene) halogen-free flame retardant alloy and preparation method thereof |
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| KR101023650B1 (en) * | 2008-12-11 | 2011-03-22 | 제일모직주식회사 | Environmentally Friendly Thermoplastic Resin Composition Using Recycled Polyester Resin |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101205353A (en) * | 2006-12-20 | 2008-06-25 | 上海日之升新技术发展有限公司 | Impact property improved PBT and ABS alloy material |
| CN101117426A (en) * | 2007-07-20 | 2008-02-06 | 上海金发科技发展有限公司 | Mass acrylonitrile-butadiene-phenylethene and polyterephthalic acid butanediol fat compound and preparation method thereof |
| CN103013066A (en) * | 2012-12-14 | 2013-04-03 | 上海锦湖日丽塑料有限公司 | High face impact PET/ABS (polyethylene Terephthalate/acrylonitrile-butadiene-styrene) halogen-free flame retardant alloy and preparation method thereof |
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