CN104693723A - Core-shell-particle toughened modified PC/PET alloy material - Google Patents
Core-shell-particle toughened modified PC/PET alloy material Download PDFInfo
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- CN104693723A CN104693723A CN201310639532.5A CN201310639532A CN104693723A CN 104693723 A CN104693723 A CN 104693723A CN 201310639532 A CN201310639532 A CN 201310639532A CN 104693723 A CN104693723 A CN 104693723A
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- alloy material
- pet
- pet alloy
- toughened
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
-
- 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
Abstract
The invention discloses a core-shell-particle toughened modified PC/PET alloy material. The core-shell-particle toughened modified PC/PET alloy material comprises following ingredients, by mass, 45 to 60% of PC, 5 to 30% of PET, 1 to 3% of a compatilizer, 5 to 10% of an inorganic rigid particle, 3 to 10% of an elastomer, 0.2 to 1% of methacrylic acid, 0.1 to 0.5% of an initiator, 0.1 to 0.5% of an anti-oxidant, and 0.1 to 1% of a lubricant. Beneficial effects are that: compared with the prior art, the inorganic rigid particle is used for surface pretreatment, and interaction and grafting reaction with the elastomer are carried out, so that a core-shell structure is formed and is used for modifying a PC/PET alloy material, wherein the inorganic rigid particle is taken as the core of the core-shell structure, and the elastomer is taken as the shell of the core-shell structure; original excellent performance of the PC/PET system is maintained, toughness and rigidity of the PC/PET alloy material are increased greatly; the core-shell-particle toughened modified PC/PET alloy material possesses excellent processability and heat resistance, is low in cost, and possesses a promising application prospect.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of Toughened With Core-Shell Particles modification PC/PET alloy material.
Background technology
Polycarbonate/polyethylene terephthalate (PC/PET) alloy has many premium propertiess, and limited compatibility during PC, PET two kinds of polymer blendings.In PC/PET co-mixing system, add three components, the consistency of two kinds of polymkeric substance in system can be significantly improved.Three components usually and matrix resin have good consistency or tackiness, its Main Function between PC, PET micelle, carries out " bridging " or react with matrix resin PC, PET producing chemical bond and be combineding with each other, thus improve the overall compatibility of PC/PET alloy.Along with the expansion of PC/PET alloy material range of application, PC/PET alloy material is proposed to the requirement of functionalization, high performance, especially in enhancing, toughness reinforcing and consistency etc.Prior art adopts elastic body toughening can increase substantially the shock resistance of PC/PET alloy material, but also causes the degradation of its intensity, rigidity, thermotolerance and processing characteristics simultaneously; When employing rigid inorganic filler toughening shows toughen and intensify simultaneously under certain condition, but the increase rate of toughness is limited; When employing elastomerics, the blended meeting of inorganic rigid particle make the effect of two kinds of materials influence each other, thus make the mechanical property of PC/PET alloy material can not get expected effect.
Summary of the invention
The object of the present invention is to provide the Toughened With Core-Shell Particles modification PC/PET alloy material that a kind of excellent in mechanical performance, processibility are good, thermostability is high.
The technical solution adopted for the present invention to solve the technical problems is: a kind of Toughened With Core-Shell Particles modification PC/PET alloy material, its component by mass percent proportioning is: PC 45% ~ 60%, PET 5% ~ 30%, compatilizer 1% ~ 3%, inorganic rigid particle 5% ~ 10%, elastomerics 3% ~ 10%, methacrylic acid 0.2% ~ 1%, initiator 0.1% ~ 0.5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
Described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol.
Described PET is polyethylene terephthalate, and its intrinsic viscosity is 0.6 ~ 0.9dL/g.
Described compatilizer is styrene-acrylonitrile-methacrylic sour water glyceryl ester (SAG).
Described inorganic rigid particle is the calcium carbonate superfine powder particle of particle diameter at 10 ~ 100nm.
Described elastomerics is the one in ethylene-propylene-diene copolymer (EPDM), ethylene-octene copolymer (POE), styrene-butadiene-styrene block copolymer (SBS), styrene-ethylene-butylene-styrene block copolymer (SEBS), paracril (NBR), thermoplastic polyurethane (TPU).
Described initiator is the one in isopropyl benzene hydroperoxide, dibenzoyl peroxide, di-isopropyl peroxydicarbonate, dicyclohexyl peroxydicarbonate.
Described oxidation inhibitor is the compound of antioxidant 1010, antioxidant 1076, antioxidant 1010 or antioxidant 1076 and irgasfos 168.
Described lubricant is pentaerythritol stearate (PETS).
The preparation method of above-mentioned a kind of Toughened With Core-Shell Particles modification PC/PET alloy material, comprises the following steps:
(1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PET at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by;
(2), taking inorganic rigid particle by weight ratio, to add barrel temperature be in 50 DEG C ~ 75 DEG C high-speed mixers, stir 3 ~ 15 minutes, then the methacrylic acid and initiator that take by weight ratio is added, stir 10 ~ 45 minutes, add the elastomerics taken by weight ratio again, stir 10 ~ 15 minutes;
(3), then add again in high-speed mixer and take dried PC, PET by weight ratio, and the oxidation inhibitor claimed by weight ratio and lubricant, continue stirring 5 ~ 30 minutes, make fully to mix rear discharging, stand-by;
(4), the compound of step (3) is added in twin screw extruder, extrudes after melt blending at 240 DEG C ~ 270 DEG C, cooling granulation, get product.
The invention has the beneficial effects as follows, compared with prior art, with the interphase interaction of elastomerics and graft reaction occurs after the present invention adopts inorganic rigid particle surface preparation, the nucleocapsid structure that formation is core with inorganic rigid particle, elastomerics is shell is used for modification PC/PET alloy material, while the original premium properties of maintenance PC/PET system, toughness and the rigidity of PC/PET alloy material can be improved widely, and there is excellent machinability and resistance toheat, its cost is also low, thus has comparatively wide application prospect.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1:
A kind of Toughened With Core-Shell Particles modification PC/PET alloy material, its component by mass percent proportioning is: PC 55%, PET 25%, styrene-acrylonitrile-methacrylic sour water glyceryl ester (SAG) 3%, particle diameter are at calcium carbonate superfine powder particle 10%, ethylene-propylene-diene copolymer (EPDM) 5%, methacrylic acid 0.5%, isopropyl benzene hydroperoxide 0.3%, antioxidant 1010 0.3%, the pentaerythritol stearate (PETS) 0.9% of 10 ~ 100nm.Wherein, described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol; Described PET is polyethylene terephthalate, and its intrinsic viscosity is 0.6 ~ 0.9dL/g.
Preparation method: (1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PET at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by; (2), by taking the calcium carbonate superfine powder particle of particle diameter at 10 ~ 100nm by weight ratio, to add barrel temperature be in 50 DEG C ~ 75 DEG C high-speed mixers, stir 3 ~ 15 minutes, then the methacrylic acid and isopropyl benzene hydroperoxide that take by weight ratio is added, stir 10 ~ 45 minutes, add the ethylene-propylene-diene copolymer (EPDM) taken by weight ratio again, stir 10 ~ 15 minutes; (3), then add again in high-speed mixer and take dried PC, PET by weight ratio, and the antioxidant 1010 claimed by weight ratio and pentaerythritol stearate (PETS), continue stirring 5 ~ 30 minutes, make fully to mix rear discharging, stand-by; (4), the compound of step (3) is added in twin screw extruder, extrudes after melt blending at 240 DEG C ~ 270 DEG C, cooling granulation, get product.
Embodiment 2:
A kind of Toughened With Core-Shell Particles modification PC/PET alloy material, its component by mass percent proportioning is: PC 55%, PET 30%, styrene-acrylonitrile-methacrylic sour water glyceryl ester (SAG) 3%, particle diameter are at compound 0.3%, the pentaerythritol stearate (PETS) 1% of the calcium carbonate superfine powder particle 5% of 10 ~ 100nm, styrene-ethylene-butylene-styrene block copolymer (SEBS) 5%, methacrylic acid 0.5%, dicyclohexyl peroxydicarbonate 0.2%, antioxidant 1010 and irgasfos 168.Wherein, described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol; Described PET is polyethylene terephthalate, and its intrinsic viscosity is 0.6 ~ 0.9dL/g.
Preparation method: (1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PET at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by; (2), by taking the calcium carbonate superfine powder particle of particle diameter at 10 ~ 100nm by weight ratio, to add barrel temperature be in 50 DEG C ~ 75 DEG C high-speed mixers, stir 3 ~ 15 minutes, then the methacrylic acid and dicyclohexyl peroxydicarbonate that take by weight ratio is added, stir 10 ~ 45 minutes, add the styrene-ethylene-butylene-styrene block copolymer (SEBS) taken by weight ratio again, stir 10 ~ 15 minutes; (3), then add again in high-speed mixer and take dried PC, PET by weight ratio, and the compound of the antioxidant 1010 claimed by weight ratio and irgasfos 168, pentaerythritol stearate (PETS), continue stirring 5 ~ 30 minutes, make fully to mix rear discharging, stand-by; (4), the compound of step (3) is added in twin screw extruder, extrudes after melt blending at 240 DEG C ~ 270 DEG C, cooling granulation, get product.
Claims (8)
1. a Toughened With Core-Shell Particles modification PC/PET alloy material, it is characterized in that, its component by mass percent proportioning is: PC 45% ~ 60%, PET 5% ~ 30%, compatilizer 1% ~ 3%, inorganic rigid particle 5% ~ 10%, elastomerics 3% ~ 10%, methacrylic acid 0.2% ~ 1%, initiator 0.1% ~ 0.5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
2. a kind of Toughened With Core-Shell Particles modification PC/PET alloy material according to claim 1, is characterized in that, described compatilizer is styrene-acrylonitrile-methacrylic sour water glyceryl ester (SAG).
3. a kind of Toughened With Core-Shell Particles modification PC/PET alloy material according to claim 1, is characterized in that, described inorganic rigid particle is the calcium carbonate superfine powder particle of particle diameter at 10 ~ 100nm.
4. a kind of Toughened With Core-Shell Particles modification PC/PET alloy material according to claim 1, it is characterized in that, described elastomerics is the one in ethylene-propylene-diene copolymer (EPDM), ethylene-octene copolymer (POE), styrene-butadiene-styrene block copolymer (SBS), styrene-ethylene-butylene-styrene block copolymer (SEBS), paracril (NBR), thermoplastic polyurethane (TPU).
5. a kind of Toughened With Core-Shell Particles modification PC/PET alloy material according to claim 1, it is characterized in that, described initiator is the one in isopropyl benzene hydroperoxide, dibenzoyl peroxide, di-isopropyl peroxydicarbonate, dicyclohexyl peroxydicarbonate.
6. a kind of Toughened With Core-Shell Particles modification PC/PET alloy material according to claim 1, it is characterized in that, described oxidation inhibitor is the compound of antioxidant 1010, antioxidant 1076, antioxidant 1010 or antioxidant 1076 and irgasfos 168.
7. a kind of Toughened With Core-Shell Particles modification PC/PET alloy material according to claim 1, it is characterized in that, described lubricant is pentaerythritol stearate (PETS).
8. the preparation method of a kind of Toughened With Core-Shell Particles modification PC/PET alloy material according to claim 1, is characterized in that, comprise the following steps:
(1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PET at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by;
(2), taking inorganic rigid particle by weight ratio, to add barrel temperature be in 50 DEG C ~ 75 DEG C high-speed mixers, stir 3 ~ 15 minutes, then the methacrylic acid and initiator that take by weight ratio is added, stir 10 ~ 45 minutes, add the elastomerics taken by weight ratio again, stir 10 ~ 15 minutes;
(3), then add again in high-speed mixer and take dried PC, PET by weight ratio, and the oxidation inhibitor claimed by weight ratio and lubricant, continue stirring 5 ~ 30 minutes, make fully to mix rear discharging, stand-by;
(4), the compound of step (3) is added in twin screw extruder, extrudes after melt blending at 240 DEG C ~ 270 DEG C, cooling granulation, get product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310639532.5A CN104693723A (en) | 2013-12-04 | 2013-12-04 | Core-shell-particle toughened modified PC/PET alloy material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310639532.5A CN104693723A (en) | 2013-12-04 | 2013-12-04 | Core-shell-particle toughened modified PC/PET alloy material |
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| CN104693723A true CN104693723A (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310639532.5A Pending CN104693723A (en) | 2013-12-04 | 2013-12-04 | Core-shell-particle toughened modified PC/PET alloy material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110903486A (en) * | 2019-11-29 | 2020-03-24 | 安徽江淮汽车集团股份有限公司 | Compatilizer, preparation method thereof and PET/inorganic filler composite material |
| CN115093596A (en) * | 2022-06-28 | 2022-09-23 | 东莞鸿绩塑胶模具有限公司 | High-wear-resistance and compression-resistance mobile phone shell and processing technology thereof |
-
2013
- 2013-12-04 CN CN201310639532.5A patent/CN104693723A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110903486A (en) * | 2019-11-29 | 2020-03-24 | 安徽江淮汽车集团股份有限公司 | Compatilizer, preparation method thereof and PET/inorganic filler composite material |
| CN110903486B (en) * | 2019-11-29 | 2021-01-05 | 安徽江淮汽车集团股份有限公司 | Compatilizer, preparation method thereof and PET/inorganic filler composite material |
| CN115093596A (en) * | 2022-06-28 | 2022-09-23 | 东莞鸿绩塑胶模具有限公司 | High-wear-resistance and compression-resistance mobile phone shell and processing technology thereof |
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Application publication date: 20150610 |