CN104672871A - Wear-resistant scratch-resistant PC/PET (polycarbonate/polyethylene terephthalate) modified alloy and preparation method thereof - Google Patents
Wear-resistant scratch-resistant PC/PET (polycarbonate/polyethylene terephthalate) modified alloy and preparation method thereof Download PDFInfo
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- CN104672871A CN104672871A CN201310635501.2A CN201310635501A CN104672871A CN 104672871 A CN104672871 A CN 104672871A CN 201310635501 A CN201310635501 A CN 201310635501A CN 104672871 A CN104672871 A CN 104672871A
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- scratch resistance
- pet
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- resistant
- modified alloy
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
Abstract
The invention discloses a wear-resistant scratch-resistant PC/PET (polycarbonate/polyethylene terephthalate) modified alloy and a preparation method thereof. The wear-resistant scratch-resistant PC/PET modified alloy is composed of the following components in percentage by mass: 45-70% of PC resin, 20-30% of PET resin, 5-10% of toughener, 2-5% of scratch-resistant agent, 0.5-2% of scratch resistance modifier, 2-4% of compatilizer, 0.1-0.5% of antioxidant and 0.1-1.5% of lubricant. The wear-resistant scratch-resistant PC/PET modified alloy prepared by a two-step extrusion process has the respective excellent properties of the PC and PET, has the advantages of excellent wear resistance, excellent scratch resistance, excellent heat resistance, favorable processability, high strength, favorable dimensional stability and small thickness deviation, can be widely suitable for the fields of electrical gating membranes, motormeter panels, automobile glass and the like, and has favorable use effect and application prospects.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of wear-resisting scratch resistance PC/PET modified alloy and preparation method thereof.
Background technology
PC/PET alloy (polycarbonate/polyethylene terephthalate) is a kind of engineering plastics of excellent performance, all can use, such as, be applied to the fields such as electronic apparatus, automotive industry, machinery, optical instruments, medicine, building in a lot of occasion.But because PC is non-crystalline polymer, PET is crystalline polymer, PC/PET belongs to typical amorphous/crystalline co-mixing system, both consistencies are poor, cause that its toughness is bad, intensity is not high, and the wear-resistant scratch-resistant of product surface can be poor, affect its application in some field.
Summary of the invention
The object of the present invention is to provide a kind of wear-resisting scratch resistance PC/PET modified alloy and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: a kind of wear-resisting scratch resistance PC/PET modified alloy, its component by mass percent proportioning is: PC resin 45% ~ 70%, PET resin 20% ~ 30%, toughner 5% ~ 10%, scratch resistance liniment 2% ~ 5%, scratch resistance properties-correcting agent 0.5% ~ 2%, compatilizer 2% ~ 4%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1.5%.
Described PC resin is bisphenol A-type aromatic copolycarbonate.
Described PET resin is polyethylene terephthalate, and its intrinsic viscosity is 0.6 ~ 0.9dL/g.
Described toughner is the one in Methylacrylate-Acrylate Copolymer (ACR), MBS ternary graft copolymer (MBS), ethylene-vinyl acetate copolymer (EVA), Acrylate-styrene bipolymer-acrylonitrile copolymer (ASA).
Described scratch resistance liniment is the ultra-high molecular weight siloxane polymer with active group, and its active group is one or more in hydroxyl, epoxy group(ing), carboxyl, acid anhydrides.
Described scratch resistance properties-correcting agent is fluoropolymer PPA.
Described compatilizer is polymethylmethacrylate grafted maleic anhydride (PMMA-g-MAH).
Described oxidation inhibitor is the Hinered phenols antioxidant 1010 or 1076 of mass ratio 1:4 and the compound of phosphite ester kind antioxidant 168.
Described lubricant is pentaerythritol stearate (PETS).
The preparation method of above-mentioned a kind of wear-resisting scratch resistance PC/PET modified alloy, comprises the following steps:
(1), by PC resin in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PET resin at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by;
(2), add in high-speed mixer by taking dry PET resin, scratch resistance liniment, scratch resistance properties-correcting agent, oxidation inhibitor and lubricant by weight ratio, after to make to stir together 2 ~ 10 minutes all mixed, discharging add in twin screw extruder carry out melt extruding, cooling granulation, and stand-by after drying;
(3), the product taking dry PC resin and step (2) is by weight ratio added in high-speed mixer, add the toughner and compatilizer that take by weight ratio simultaneously, after to make to stir together 3 ~ 15 minutes all mixed, discharging adds in twin screw extruder, by twin screw extruder fully plastify blended after extrude, cooling granulation, obtain one of the present invention wear-resisting scratch resistance PC/PET modified alloy.
The invention has the beneficial effects as follows, compared with prior art, the one wear-resisting scratch resistance PC/PET modified alloy that the present invention adopts two step extrusion moldings obtained, while PC, PET separately excellent properties, there is excellent wear-resistant scratch-resistant energy and resistance toheat, and good processability, intensity are high, good stability of the dimension, little to thickness deviation, the fields such as electric switch film, automobile instrument panel and vehicle glass can be widely used in, there is good result of use and application prospect.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
A kind of wear-resisting scratch resistance PC/PET modified alloy, its component by mass percent proportioning is: PC resin 55%, PET resin 24%, Methylacrylate-Acrylate Copolymer (ACR) 10%, scratch resistance liniment 5%, fluoropolymer PPA 2%, polymethylmethacrylate grafted maleic anhydride (PMMA-g-MAH) 3%, oxidation inhibitor 0.2%, pentaerythritol stearate (PETS) 0.8%.Wherein, described PC resin is bisphenol A-type aromatic copolycarbonate; Described PET resin is polyethylene terephthalate, and its intrinsic viscosity is 0.6 ~ 0.9dL/g; Described scratch resistance liniment is the ultra-high molecular weight siloxane polymer of the active group with hydroxyl and epoxy group(ing); Described oxidation inhibitor is the Hinered phenols antioxidant 1010 of mass ratio 1:4 and the compound of phosphite ester kind antioxidant 168.
Preparation method: (1), by PC resin in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PET resin at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by; (2), add in high-speed mixer by taking dry PET resin, scratch resistance liniment, fluoropolymer PPA, oxidation inhibitor and pentaerythritol stearate (PETS) by weight ratio, after to make to stir together 2 ~ 10 minutes all mixed, discharging add in twin screw extruder carry out melt extruding, cooling granulation, and stand-by after drying; (3), the product taking dry PC resin and step (2) is by weight ratio added in high-speed mixer, add the Methylacrylate-Acrylate Copolymer (ACR) and polymethylmethacrylate grafted maleic anhydride (PMMA-g-MAH) that take by weight ratio simultaneously, after to make to stir together 3 ~ 15 minutes all mixed, discharging adds in twin screw extruder, by twin screw extruder fully plastify blended after extrude, cooling granulation, obtain one of the present invention wear-resisting scratch resistance PC/PET modified alloy.
Claims (6)
1. a wear-resisting scratch resistance PC/PET modified alloy, it is characterized in that, its component by mass percent proportioning is: PC resin 45% ~ 70%, PET resin 20% ~ 30%, toughner 5% ~ 10%, scratch resistance liniment 2% ~ 5%, scratch resistance properties-correcting agent 0.5% ~ 2%, compatilizer 2% ~ 4%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1.5%.
2. one according to claim 1 wear-resisting scratch resistance PC/PET modified alloy, it is characterized in that, described toughner is the one in Methylacrylate-Acrylate Copolymer (ACR), MBS ternary graft copolymer (MBS), ethylene-vinyl acetate copolymer (EVA), Acrylate-styrene bipolymer-acrylonitrile copolymer (ASA).
3. one according to claim 1 wear-resisting scratch resistance PC/PET modified alloy, it is characterized in that, described scratch resistance liniment is the ultra-high molecular weight siloxane polymer with active group, and its active group is one or more in hydroxyl, epoxy group(ing), carboxyl, acid anhydrides.
4. one according to claim 1 wear-resisting scratch resistance PC/PET modified alloy, is characterized in that, described scratch resistance properties-correcting agent is fluoropolymer PPA.
5. one according to claim 1 wear-resisting scratch resistance PC/PET modified alloy, is characterized in that, described compatilizer is polymethylmethacrylate grafted maleic anhydride (PMMA-g-MAH).
6. the preparation method of a kind of wear-resisting scratch resistance PC/PET modified alloy according to claim 1, is characterized in that, comprise the following steps:
(1), by PC resin in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PET resin at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by;
(2), add in high-speed mixer by taking dry PET resin, scratch resistance liniment, scratch resistance properties-correcting agent, oxidation inhibitor and lubricant by weight ratio, after to make to stir together 2 ~ 10 minutes all mixed, discharging add in twin screw extruder carry out melt extruding, cooling granulation, and stand-by after drying;
(3), the product taking dry PC resin and step (2) is by weight ratio added in high-speed mixer, add the toughner and compatilizer that take by weight ratio simultaneously, after to make to stir together 3 ~ 15 minutes all mixed, discharging adds in twin screw extruder, by twin screw extruder fully plastify blended after extrude, cooling granulation, obtain one of the present invention wear-resisting scratch resistance PC/PET modified alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310635501.2A CN104672871A (en) | 2013-12-03 | 2013-12-03 | Wear-resistant scratch-resistant PC/PET (polycarbonate/polyethylene terephthalate) modified alloy and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310635501.2A CN104672871A (en) | 2013-12-03 | 2013-12-03 | Wear-resistant scratch-resistant PC/PET (polycarbonate/polyethylene terephthalate) modified alloy and preparation method thereof |
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| CN104672871A true CN104672871A (en) | 2015-06-03 |
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| CN201310635501.2A Pending CN104672871A (en) | 2013-12-03 | 2013-12-03 | Wear-resistant scratch-resistant PC/PET (polycarbonate/polyethylene terephthalate) modified alloy and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563972A (en) * | 2015-12-25 | 2016-05-11 | 杭州大东南高科包装有限公司 | Scratch-resistant polyester film and preparation method thereof |
| CN106496991A (en) * | 2016-10-19 | 2017-03-15 | 苏州瑞斯格电子科技有限公司 | A kind of PC Masterbatch with aging resistance impact work energy |
| CN106674950A (en) * | 2016-11-17 | 2017-05-17 | 上海锦湖日丽塑料有限公司 | Scratch-resistant black bright PC/ABS alloy and preparation method thereof |
| CN109608855A (en) * | 2018-11-23 | 2019-04-12 | 安徽旭升新材料有限公司 | A kind of computer casing carbon fiber PC composite material |
| CN111218095A (en) * | 2020-01-13 | 2020-06-02 | 昆山博富新材料科技有限公司 | Spraying-free high-gloss piano black PETG/PC/APET alloy and preparation method thereof |
| CN111454658A (en) * | 2019-12-31 | 2020-07-28 | 江苏拓展新材料科技有限公司 | Wear-resistant scratch-resistant modified alloy and preparation method thereof |
| CN111690244A (en) * | 2020-05-25 | 2020-09-22 | 上海长伟锦磁工程塑料有限公司 | High-gloss scratch-resistant chemical-resistant PC/polyester alloy material and preparation method thereof |
-
2013
- 2013-12-03 CN CN201310635501.2A patent/CN104672871A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563972A (en) * | 2015-12-25 | 2016-05-11 | 杭州大东南高科包装有限公司 | Scratch-resistant polyester film and preparation method thereof |
| CN106496991A (en) * | 2016-10-19 | 2017-03-15 | 苏州瑞斯格电子科技有限公司 | A kind of PC Masterbatch with aging resistance impact work energy |
| CN106674950A (en) * | 2016-11-17 | 2017-05-17 | 上海锦湖日丽塑料有限公司 | Scratch-resistant black bright PC/ABS alloy and preparation method thereof |
| CN106674950B (en) * | 2016-11-17 | 2019-03-08 | 上海锦湖日丽塑料有限公司 | A kind of shiny black type PC/ABS alloy of scratch-resistant and preparation method thereof |
| CN109608855A (en) * | 2018-11-23 | 2019-04-12 | 安徽旭升新材料有限公司 | A kind of computer casing carbon fiber PC composite material |
| CN111454658A (en) * | 2019-12-31 | 2020-07-28 | 江苏拓展新材料科技有限公司 | Wear-resistant scratch-resistant modified alloy and preparation method thereof |
| CN111218095A (en) * | 2020-01-13 | 2020-06-02 | 昆山博富新材料科技有限公司 | Spraying-free high-gloss piano black PETG/PC/APET alloy and preparation method thereof |
| CN111690244A (en) * | 2020-05-25 | 2020-09-22 | 上海长伟锦磁工程塑料有限公司 | High-gloss scratch-resistant chemical-resistant PC/polyester alloy material and preparation method thereof |
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Application publication date: 20150603 |