CN107353607A - A kind of impact-resistant modified PET engineering plastics and preparation method thereof - Google Patents
A kind of impact-resistant modified PET engineering plastics and preparation method thereof Download PDFInfo
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- CN107353607A CN107353607A CN201710687824.4A CN201710687824A CN107353607A CN 107353607 A CN107353607 A CN 107353607A CN 201710687824 A CN201710687824 A CN 201710687824A CN 107353607 A CN107353607 A CN 107353607A
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/262—Alkali metal carbonates
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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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- 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
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
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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
- C08L2205/24—Crystallisation aids
Abstract
The invention provides a kind of impact-resistant modified PET engineering plastics and preparation method thereof, the modified PET engineering plastics include following raw material：75 85 parts of PET polyester, 13 parts of nucleator, 36 parts of impact resistant composite material modifying agent, 10 15 parts of toughener, 24 parts of lubricant, 0.5 2 parts of antioxidant.The impact-resistant modified PET engineering plastics of the present invention add impact resistant composite material modifying agent, and the modified PET engineering plastics being prepared have good impact resistance, wear-resisting and ageing resistace, made product has the characteristics of easy-formation, and product is not likely to produce cracking, has good impact strength and chemical property, the modified plastics high comprehensive performance, intensity is high, and outward appearance is good, and cost is low, it can be widely applied to electronic apparatus, the fields such as auto parts machinery, machine components, have a extensive future.
Description
Technical field
The present invention relates to engineering plastics technical field, and in particular to a kind of impact-resistant modified PET engineering plastics preparation method.
Background technology
After engineering plastics (Engineering plastics) are twentieth century fifties, with electronic apparatus, automobile,
The development of the high-tech industries such as space flight, communication and national defense industry, under based on general use plastics, the height of the new type of emergence
Molecular material.In general engineering plastics refer to, in wider temperature range and longer usage time, to keep excellent
Performance, and a kind of plastics that mechanical stress uses as structural material can be born.Therefore, engineering plastics can not only replace metal
As structural material, with the development of high-tech industry, the development of engineering plastics will turn into following indispensable high score
Sub- material.
Engineering plastics typically refer mainly to makrolon (Polycarbonate, PC), polyamide (nylon, Polyamide,
PA), polyacetals (Polyacetal, Polyoxy Methylene, POM polyformaldehyde), Noryl (Poly Phenylene
Oxide, be denatured PPE), PET (Polyethylene terephthalate, PET) etc..Wherein poly- pair
PET is largely used as fiber, and can be divided into non-engineering plastics level and engineering plastics level two big for engineering plastic resin
Class, non-engineering plastics level are mainly used in bottle, film, sheet material, the container of resistance to baked goods etc..
PET PET is that milky or light yellow, highly crystalline polymer, smooth surface have light
Pool.There is excellent physical and mechanical properties within the scope of wider temperature, for long-term use of temperature up to 120 DEG C, electrical insulating property is excellent
It is good, or even under high-temperature high-frequency, its electrical property is still preferable, but corona resistance is poor, creep resistance, fatigue durability, rub resistance,
Dimensional stability is all fine.PET has ester bond, can be decomposed under strong acid, highly basic and water vapor acting, organic solvent-resistant, resistance to
Time property is good.Main application has for electronic apparatus aspect：Electrical outlets, electric power connector, electric cooker handle, TV deviation yoke, end
Sub- platform, circuit breaker shell, switch, motor fan shell, instrument machine components, counting machine part, electric iron, electromagnetic stove oven
Accessory；Flow control valve, carburetor cover, vehicle window controller, foot operated speed changer, distribution board cover in auto industry；Mechanical industry
Gear, blade, belt pulley, pump component, there are wheelchair car body and wheel, lampshade shell, illuminator enclosure, drainpipe to connect in addition
Head, slide fastener, clock and watch part, atomiser units.But conventional PET engineering plastics have the defects of certain, such as crystalline rate
Slowly, processing and forming is difficult, and molding temperature is high, production cycle length, and impact property is poor.
The content of the invention
For described above, it is an object of the invention to provide a kind of impact-resistant modified PET engineering plastics and its preparation side
Method, the modified PET engineering plastics being prepared have good impact resistance, wear-resisting and ageing resistace, made product tool
There is the characteristics of easy-formation, can be widely applied to the fields such as electronic apparatus, auto parts machinery, machine components, have a extensive future.
In order to realize the above object the technical solution adopted by the present invention is：A kind of impact resistance composite modification PET engineerings
Plastics, it is made up of the raw material of following parts by weight：
PET polyester 75-85 parts, nucleator 1-3 parts, impact resistant composite material modifying agent 3-6 parts, toughener 10-15 parts, profit
Wherein, impact resistant composite material preparation method for modifier and step are as follows for lubrication prescription 2-4 parts, antioxidant 0.5-2 parts：
(1) according to the mass fraction, it is anti-that 2-3 parts silica flour, 2-4 parts chopped glass fiber, 1-1.5 parts graphene, 3-6 parts height are weighed
Rush polystyrene, 0.5-1 parts ethoxylated dodecyl alcohol mixes with the wet chemical that 3-6 parts mass fraction is 30-40%
Uniformly；
(2) mixture obtained by step (1) is placed in ball mill, taken out after grinding 3-5h, then the mixture by taking-up
It is placed in vacuum drying chamber at 90-110 DEG C and dries 6-8h, obtains impact resistant composite material modifying agent.
One or more of the nucleator in nucleant agent N A-101, ADD-PET301, nucleant agent N A-95.
One or more of the toughener in MBS toughener, SBS toughener, A-608E toughener.
One or more of the lubricant in paraffin, Tissuemat E, glycerin monostearate.
The antioxidant is the compound of Hinered phenols antioxidant and sulfur-bearing antioxidant, its Hinered phenols antioxidant and sulfur-bearing
The weight part ratio 1 of antioxidant:(1-2)；Wherein, Hinered phenols antioxidant is selected from antioxidant BHT, antioxidant 2246, antioxidant
1010th, the one or more in antioxidant 1076, sulfur-bearing antioxidant are selected from antioxidant DLTDP, antioxidant DTDTP, antioxidant
One or more in DSTDP.
Preferably, the weight part ratio 1 of Hinered phenols antioxidant and sulfur-bearing antioxidant:1.5.
The preparation method of above-mentioned impact-resistant modified PET engineering plastics, comprises the following steps：
(1) count in parts by weight, by PET polyester, nucleator, impact resistant composite material modifying agent, toughener, lubricant and
Antioxidant is placed in homogenizer and is mixed evenly, then obtained mixture is placed in into 120-130 DEG C of condition in drying box
Lower dry 2-3h；
(2) dried mixture is sent into double screw extruder, through melting extrusion, cooling granulation, resistance to punching is prepared
Hit modified PET engineering plastics.
The temperature of double screw extruder in the step (2) is set as 220-270 DEG C, and extruder rotating speed is 60-
80rpm/min。
The beneficial effects of the invention are as follows：The impact-resistant modified PET engineering plastics of the present invention add impact resistant composite material
Modifying agent, the modified PET engineering plastics being prepared have good impact resistance, wear-resisting and ageing resistace, made production
Product have the characteristics of easy-formation, and product is not likely to produce cracking, have good impact strength and chemical property, the modified plastics
High comprehensive performance, intensity is high, and outward appearance is good, and cost is low, can be widely applied to the neck such as electronic apparatus, auto parts machinery, machine components
Domain, have a extensive future.
Specific embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.In embodiment, all raw materials are all purchased from Gaede
Chemical industry net.
Embodiment 1
A kind of impact resistance composite modification PET engineering plastics, are made up of the raw material of following parts by weight：
82 parts of PET polyester, 2 parts of nucleant agent N A-101,5 parts of impact resistant composite material modifying agent, 5 parts of MBS toughener, A-
8 parts of 608E toughener, 1 part of paraffin, 2 parts of Tissuemat E, 0.5 part of antioxidant 1010,1 part of antioxidant DTDTP；Wherein, anti-impact
Hit composite modification agent preparation method and step is as follows：
(1) according to the mass fraction, 2 parts of silica flours, 3 parts of chopped glass fibers, 1 part of graphene, 4 parts of high-impact polyphenyl second are weighed
Alkene, 1 part of ethoxylated dodecyl alcohol are well mixed with the wet chemical that 5 parts of mass fractions are 38%；
(2) mixture obtained by step (1) is placed in ball mill, taken out after grinding 4h, then the mixture of taking-up is put
8h is dried at 100 DEG C in vacuum drying chamber, obtains impact resistant composite material modifying agent.
The preparation method of above-mentioned impact-resistant modified PET engineering plastics, comprises the following steps：
(1) count in parts by weight, by PET polyester, nucleator, impact resistant composite material modifying agent, toughener, lubricant and
Antioxidant is placed in homogenizer and is mixed evenly, then obtained mixture is placed in drying box under the conditions of 120 DEG C and done
Dry 3h；
(2) dried mixture is sent into double screw extruder, through melting extrusion, cooling granulation, resistance to punching is prepared
Hit modified PET engineering plastics；Wherein, the area of extruder one to six temperature is：220,240,260,270,270,250 DEG C, rotating speed is
75rpm/min。
Embodiment 2
A kind of impact resistance composite modification PET engineering plastics, are made up of the raw material of following parts by weight：
83 parts of PET polyester, 3 parts of ADD-PET301,6 parts of impact resistant composite material modifying agent, 6 parts of SBS toughener, A-
8 parts of 608E toughener, 1 part of paraffin, 3 parts of glycerin monostearate, 0.6 part of antioxidant 1076,0.9 part of antioxidant DSTDP；Its
In, impact resistant composite material preparation method for modifier and step are as follows：
(1) according to the mass fraction, 3 parts of silica flours, 4 parts of chopped glass fibers, 1.5 parts of graphenes, 6 parts of high-impact polyphenyl second are weighed
Alkene, 1 part of ethoxylated dodecyl alcohol are well mixed with the wet chemical that 6 parts of mass fractions are 40%；
(2) mixture obtained by step (1) is placed in ball mill, taken out after grinding 4h, then the mixture of taking-up is put
8h is dried at 110 DEG C in vacuum drying chamber, obtains impact resistant composite material modifying agent.
The preparation method of above-mentioned impact-resistant modified PET engineering plastics, comprises the following steps：
(1) count in parts by weight, by PET polyester, nucleator, impact resistant composite material modifying agent, toughener, lubricant and
Antioxidant is placed in homogenizer and is mixed evenly, then obtained mixture is placed in drying box under the conditions of 130 DEG C and done
Dry 2.5h；
(2) dried mixture is sent into double screw extruder, through melting extrusion, cooling granulation, resistance to punching is prepared
Hit modified PET engineering plastics；Wherein, the area of extruder one to six temperature is：220,240,260,270,270,250 DEG C, rotating speed is
75rpm/min。
Detect example
In order to verify the physicochemical property of the modified PET engineering plastics of preparation, product prepared by above-described embodiment is passed through respectively
Cross injection and carry out performance detection afterwards：
Claims (7)
1. a kind of impact resistance composite modification PET engineering plastics, it is characterised in that be made up of the raw material of following parts by weight：PET
Polyester 75-85 parts, nucleator 1-3 parts, impact resistant composite material modifying agent 3-6 parts, toughener 10-15 parts, lubricant 2-4 parts,
Antioxidant 0.5-2 parts；Wherein, impact resistant composite material preparation method for modifier and step are as follows：
(1) according to the mass fraction, 2-3 parts silica flour, 2-4 parts chopped glass fiber, 1-1.5 parts graphene, 3-6 part high impact polies are weighed
Styrene, 0.5-1 parts ethoxylated dodecyl alcohol are well mixed with the wet chemical that 3-6 parts mass fraction is 30-40%；
(2) mixture obtained by step (1) is placed in ball mill, taken out after grinding 3-5h, then the mixture of taking-up is placed in
6-8h is dried in vacuum drying chamber at 90-110 DEG C, obtains impact resistant composite material modifying agent.
A kind of 2. impact resistance composite modification PET engineering plastics according to claim 1, it is characterised in that：It is described into
One or more of the core agent in nucleant agent N A-101, ADD-PET301, nucleant agent N A-95.
A kind of 3. impact-resistant modified PET engineering plastics according to claim 1, it is characterised in that：The toughener is selected from
One or more in MBS toughener, SBS toughener, A-608E toughener.
A kind of 4. impact-resistant modified PET engineering plastics according to claim 1, it is characterised in that：The lubricant is selected from
One or more in paraffin, Tissuemat E, glycerin monostearate.
A kind of 5. impact-resistant modified PET engineering plastics according to claim 1, it is characterised in that：The antioxidant be by
Hinder the weight part ratio 1 of the compound of phenolic antioxidant and sulfur-bearing antioxidant, its Hinered phenols antioxidant and sulfur-bearing antioxidant:(1-
2)。
6. a kind of preparation method of impact-resistant modified PET engineering plastics described in claim 1-5 any one, its feature exist
In comprising the following steps：
(1) count in parts by weight, by PET polyester, nucleator, impact resistant composite material modifying agent, toughener, lubricant and antioxygen
Agent is placed in homogenizer and is mixed evenly, then obtained mixture is placed in drying box under the conditions of 120-130 DEG C and done
Dry 2-3h；
(2) dried mixture is sent into double screw extruder, through melting extrusion, cooling granulation, impact resistance is prepared and changes
Property PET engineering plastics.
A kind of 7. preparation method of impact-resistant modified PET engineering plastics according to claim 6, it is characterised in that：It is described
The temperature of double screw extruder in step (2) is set as 220-270 DEG C, and extruder rotating speed is 60-80rpm/min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710687824.4A CN107353607A (en) | 2017-08-11 | 2017-08-11 | A kind of impact-resistant modified PET engineering plastics and preparation method thereof |
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| CN201710687824.4A CN107353607A (en) | 2017-08-11 | 2017-08-11 | A kind of impact-resistant modified PET engineering plastics and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112175362A (en) * | 2020-10-13 | 2021-01-05 | 广州九圆塑业有限公司 | PET composite material and preparation method thereof |
| CN112322001A (en) * | 2020-11-24 | 2021-02-05 | 袁明陵 | Impact-resistant modified PET plastic and preparation method thereof |
| CN116496610A (en) * | 2023-06-28 | 2023-07-28 | 宁德时代新能源科技股份有限公司 | PET modified material and preparation method and application thereof |
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| CN112175362A (en) * | 2020-10-13 | 2021-01-05 | 广州九圆塑业有限公司 | PET composite material and preparation method thereof |
| CN112322001A (en) * | 2020-11-24 | 2021-02-05 | 袁明陵 | Impact-resistant modified PET plastic and preparation method thereof |
| CN116496610A (en) * | 2023-06-28 | 2023-07-28 | 宁德时代新能源科技股份有限公司 | PET modified material and preparation method and application thereof |
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Application publication date: 20171117 |