CN111040408B - High-toughness high-hardness PCABS material and preparation method thereof - Google Patents
High-toughness high-hardness PCABS material and preparation method thereof Download PDFInfo
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- CN111040408B CN111040408B CN201911231253.9A CN201911231253A CN111040408B CN 111040408 B CN111040408 B CN 111040408B CN 201911231253 A CN201911231253 A CN 201911231253A CN 111040408 B CN111040408 B CN 111040408B
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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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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Abstract
The invention discloses a high-toughness high-hardness PCABS material and a preparation method thereof, and the PCABS material comprises 50-80 parts by weight of PC, 20-50 parts by weight of ABS, 0.1-10 parts by weight of compatilizer, 0.1-20 parts by weight of surface hardness modifier, 1-10 parts by weight of impact modifier, 0.1-2 parts by weight of lubricating dispersant, 0.1-2 parts by weight of pigment, 0.1-0.5 part by weight of antioxidant and 0.1-1 part by weight of anti-ultraviolet agent. The material of the invention overcomes the conflict between the surface hardness and the impact toughness, has high surface hardness and good toughness, the surface pencil hardness reaches HB or H, and the impact strength is kept at 20KJ/m2The use requirements of toughness and hardness are met simultaneously.
Description
The technical field is as follows:
the invention relates to the field of materials, in particular to a PCABS material with high toughness and high hardness and a preparation method thereof.
Background art:
the PC/ABS alloy material is a blend of Polycarbonate (PC) and ABS, and combines the excellent properties of the PC and the ABS. On one hand, the heat resistance and tensile strength of ABS are improved, on the other hand, the viscosity of PC melt is reduced, the processing performance is improved, the sensitivity of the internal stress and impact strength of products to the thickness of the products is reduced, and the ABS alloy is widely applied to household appliances, automobile industry, computers, copying machines and electronic and electrical parts. The PC/ABS alloy material has different components, the Rockwell hardness is 90-120, the pencil hardness does not reach HB, and is B or 2B, and when the PC/ABS alloy material is used, slight stress such as scraping, finger scratching, rag wiping and the like is applied to the surface of a product, so that fine marks and scratches are easily generated on the surface, and the appearance is influenced. At present, in the market, many manufacturers develop a preparation method for improving the hardness by adding PMMA, but the toughness loss is too large, and the development of the preparation method for the PC/ABS alloy with high toughness and high hardness is very important, so that the preparation method has wide market prospect.
The invention content is as follows:
the invention aims to provide a PCABS material with high toughness and high hardness and a preparation method thereof. The surface pencil hardness reaches HB or H, and the impact strength is kept at 20KJ/m2The use requirements of toughness and hardness are met simultaneously.
In order to solve the problems, the technical scheme of the invention is as follows:
the high-toughness high-hardness PCABS material comprises 50-80 parts by weight of PC, 20-50 parts by weight of ABS, 0.1-10 parts by weight of compatilizer, 0.1-20 parts by weight of surface hardness modifier, 1-10 parts by weight of impact modifier, 0.1-2 parts by weight of lubricating dispersant, 0.1-2 parts by weight of pigment, 0.1-0.5 part by weight of antioxidant and 0.1-1 part by weight of anti-ultraviolet agent.
In a further improvement, the compatilizer is one or any mixture of maleic anhydride MAH grafted POE, PE graft, polystyrene maleic anhydride grafted copolymer SMA, acrylic acid or methacrylate copolymer, amine group, SAN, two-component compatibilization and the like.
The surface hardness modifier is one or any mixture of organosilicon modified acrylic copolymer, acrylic acid modified polytetrafluoroethylene fiber, styrene modified nitrogen phenyl maleimide copolymer and acrylic acid modified nitrogen phenyl maleimide copolymer.
In a further improvement, the impact modifier is one or any mixture of organic silicon modified rubber, acrylic acid modified rubber, organic silicon/acrylic acid composite modified rubber, maleic anhydride modified rubber and epoxy modified rubber.
In a further improvement, the antioxidant is a phenol antioxidant, a phosphite antioxidant or a metal ion passivator.
In a further improvement, the antioxidant is one or any mixture of antioxidant 1010, antioxidant 168, DLTP, triphenyl phosphite, tributyl sulfite, saldimine, oxamide and the like.
In a further improvement, the lubricating dispersant is one or any mixture of fatty acid and esters thereof, fatty acid amide, metal soap, hydrocarbon and organosilicon compound.
In a further improvement, the anti-ultraviolet agent is a UV absorbent.
In a further improvement, the pigment is an organic pigment or an inorganic pigment; the organic pigment is azo pigment, phthalocyanine pigment, anthraquinone, indigoid, quinacridone or dioxazine; the inorganic pigment is titanium white, carbon black, chromate, sulfate, silicate, borate, molybdate, phosphate, vanadate or ferricyanate.
A preparation method of a high-toughness high-hardness PCABS material comprises the following steps: the method comprises the steps of drying PC for 2-4 hours in an environment of 90-110 ℃ in a blast drying oven, drying ABS for more than 4 hours in an environment of 80-90 ℃ in the blast drying oven, weighing raw materials in sequence according to 50-80 parts by weight of PC, 20-50 parts by weight of ABS, 0.1-10 parts by weight of compatilizer, 0.1-20 parts by weight of surface hardness modifier, 1-10 parts by weight of impact modifier, 0.1-2 parts by weight of lubricating dispersant, 0.1-2 parts by weight of pigment, 0.1-0.5 part by weight of antioxidant and 0.1-1 part by weight of anti-ultraviolet agent, putting the raw materials into a high-speed stirring pot, stirring for 3-5 minutes at a rotating speed of 300-400 r/min, pouring the mixture into a double-screw extruder, extruding the mixture at a temperature of 200-260 ℃, and shearing, extruding, cooling, blow-drying and granulating the mixture into plastic particles through screws.
The invention has the beneficial effects that:
the material of the invention overcomes the conflict between the surface hardness and the impact toughness, and has high surface hardness and good toughness. The surface pencil hardness reaches HB or H, and the impact strength is kept at 20KJ/m2The use requirements of toughness and hardness are met simultaneously.
The specific implementation mode is as follows:
in order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Example 1
The formulation is as follows:
ABS: i.e. terpolymers of acrylonitrile, butadiene and styrene
The preparation method is as follows: the PC material is dried for 2-4 hours in an environment of 90-110 ℃ in a blast drying oven, the ABS material is dried for more than 4 hours in an environment of 80-90 ℃ in the blast drying oven, the raw materials are sequentially weighed according to the weight ratio, put into a high-speed stirring pot, stirred for 3-5 minutes at the rotating speed of 300-400 r/min, poured into a double-screw extruder, extruded at the extrusion temperature of 200-260 ℃, and subjected to screw shearing, extrusion, cooling, blow-drying and grain-sized dicing to form plastic particles.
Example 2
The formulation is as follows, and the preparation method is the same as that of example 1
Example 3
The formulation is as follows, and the preparation method is the same as that of example 1
The properties of the PC/ABS materials prepared in the three examples are shown in the following table:
the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A high-toughness high-hardness PC-ABS material is characterized by comprising 50-80 parts by weight of PC, 20-50 parts by weight of ABS, 0.1-10 parts by weight of compatilizer, 3-20 parts by weight of surface hardness modifier, 1-10 parts by weight of impact modifier, 0.1-2 parts by weight of lubricating dispersant, 0.1-2 parts by weight of pigment, 0.1-0.5 part by weight of antioxidant and 0.1-1 part by weight of anti-ultraviolet agent; the surface hardness modifier is one or any mixture of acrylic acid modified polytetrafluoroethylene fiber, styrene modified nitrogen phenyl maleimide copolymer and acrylic acid modified nitrogen phenyl maleimide copolymer; the impact modifier is one or any mixture of organic silicon modified rubber, acrylic acid modified rubber, organic silicon/acrylic acid composite modified rubber, maleic anhydride modified rubber and epoxy modified rubber.
2. The high toughness, high hardness PC-ABS material of claim 1 wherein said compatibilizer is one or any combination of maleic anhydride MAH grafted POE, PE graft, polystyrene maleic anhydride grafted copolymer SMA, copolymers of acrylic or methacrylic acid esters, SAN.
3. The high toughness, high hardness PC-ABS material of claim 1 wherein said antioxidant is a phenolic antioxidant, a phosphite antioxidant or a metal ion deactivator.
4. The high toughness high hardness PC-ABS material according to claim 1, wherein said antioxidant is one or any mixture of antioxidant 1010, antioxidant 168, DLTP, triphenyl phosphite, bis (salicylidene) diamine or oxamide.
5. The high toughness, high hardness PC-ABS material of claim 1 wherein said lubricant dispersant is one or any mixture of fatty acids and their esters, fatty acid amides, metal soaps, hydrocarbons, organosilicon compounds.
6. The high toughness, high hardness PC-ABS material of claim 1 wherein said anti-UV agent is a UV absorber.
7. The high toughness, high hardness PC-ABS material of claim 1 wherein said pigment is an organic pigment or an inorganic pigment; the organic pigment is azo pigment, phthalocyanine pigment, anthraquinone, indigoid, quinacridone or dioxazine; the inorganic pigment is titanium white, carbon black, chromate, sulfate, silicate, borate, molybdate, phosphate, vanadate or ferricyanate.
8. The preparation method of the high-toughness high-hardness PC-ABS material as claimed in claim 1, characterized by comprising the following steps: drying PC for 2-4 hours in an environment of 90-110 ℃ in a blast drying oven, drying ABS for more than 4 hours in an environment of 80-90 ℃ in the blast drying oven, weighing raw materials in sequence according to 50-80 parts by weight of PC, 20-50 parts by weight of ABS, 0.1-10 parts by weight of compatilizer, 3-20 parts by weight of surface hardness modifier, 1-10 parts by weight of impact modifier, 0.1-2 parts by weight of lubricating dispersant, 0.1-2 parts by weight of pigment, 0.1-0.5 part by weight of antioxidant and 0.1-1 part by weight of uvioresistant agent, putting the raw materials into a high-speed stirring pot, stirring for 3-5 minutes at a rotating speed of 300-400 r/min, pouring the raw materials into a double-screw extruder, extruding the raw materials at an extrusion temperature of 200-260 ℃, and carrying out screw shearing, extruding, cooling, blow-drying and grain-cutting to form plastic particles.
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| CN111040408B true CN111040408B (en) | 2021-09-21 |
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| CN114437526A (en) * | 2020-11-03 | 2022-05-06 | 苏州荣昌复合材料有限公司 | PCABS composite material and preparation method thereof |
| CN113150437A (en) * | 2021-04-06 | 2021-07-23 | 贵州省材料产业技术研究院 | High-brightness black scratch-resistant polypropylene composite material for vehicles and preparation method thereof |
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| US5171806A (en) * | 1990-07-13 | 1992-12-15 | Nippon Sheet Glass Co., Ltd. | Optical material and composition for optical material |
| JP2005350593A (en) * | 2004-06-11 | 2005-12-22 | Tosoh Corp | Transparent film |
| JP2012207164A (en) * | 2011-03-30 | 2012-10-25 | Teijin Chem Ltd | Aromatic polycarbonate resin composition excellent in weld appearance and surface hardness |
| CN103013077A (en) * | 2012-12-14 | 2013-04-03 | 上海锦湖日丽塑料有限公司 | Ultraviolet (UV) curing scratch-resistant polycarbonate and preparation method thereof |
| CN105348724A (en) * | 2015-11-30 | 2016-02-24 | 东莞市技塑塑胶科技有限公司 | High-gloss high-hardness scratching-resisting modified PC/ABS alloy material and preparation method thereof |
| CN107163589A (en) * | 2017-06-07 | 2017-09-15 | 赵�卓 | 3D printing paraffin type moulding material and preparation method thereof |
| JP2017178977A (en) * | 2016-03-28 | 2017-10-05 | 三菱エンジニアリングプラスチックス株式会社 | Polycarbonate resin composition and molded product |
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2019
- 2019-12-05 CN CN201911231253.9A patent/CN111040408B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5171806A (en) * | 1990-07-13 | 1992-12-15 | Nippon Sheet Glass Co., Ltd. | Optical material and composition for optical material |
| JP2005350593A (en) * | 2004-06-11 | 2005-12-22 | Tosoh Corp | Transparent film |
| JP2012207164A (en) * | 2011-03-30 | 2012-10-25 | Teijin Chem Ltd | Aromatic polycarbonate resin composition excellent in weld appearance and surface hardness |
| CN103013077A (en) * | 2012-12-14 | 2013-04-03 | 上海锦湖日丽塑料有限公司 | Ultraviolet (UV) curing scratch-resistant polycarbonate and preparation method thereof |
| CN105348724A (en) * | 2015-11-30 | 2016-02-24 | 东莞市技塑塑胶科技有限公司 | High-gloss high-hardness scratching-resisting modified PC/ABS alloy material and preparation method thereof |
| JP2017178977A (en) * | 2016-03-28 | 2017-10-05 | 三菱エンジニアリングプラスチックス株式会社 | Polycarbonate resin composition and molded product |
| CN107163589A (en) * | 2017-06-07 | 2017-09-15 | 赵�卓 | 3D printing paraffin type moulding material and preparation method thereof |
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