CN107523026A - A kind of PET PC composites and preparation method thereof - Google Patents

A kind of PET PC composites and preparation method thereof Download PDF

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CN107523026A
CN107523026A CN201710992905.5A CN201710992905A CN107523026A CN 107523026 A CN107523026 A CN 107523026A CN 201710992905 A CN201710992905 A CN 201710992905A CN 107523026 A CN107523026 A CN 107523026A
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composites
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CN107523026B (en
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刘凯
徐志海
贾丙林
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Anhui Jianghuai Automobile Group Corp
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Anhui Jianghuai Automobile Group Corp
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • C08K2201/001—Conductive additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/04—Antistatic
    • 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
    • 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
    • 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
    • C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

It is composed of the following components by weight the present invention relates to a kind of PET PC composites and preparation method thereof：PET is 80 parts 100 parts；PC is 20 parts 30 parts；Conductive filler is 6 parts 10 parts；Toughener is 8 parts 12 parts；Compatilizer is 0.1 part 0.3 part；Antioxidant is 0.1 part 0.5 part.The fullerene produced by the present invention coated by starch, forms cross-linked structure, it has more preferable antistatic effect, can effectively reduce surface of polymer material resistivity compared with conventional antistatic agents；PC addition improves PET notch impact strength.

Description

A kind of PET-PC composites and preparation method thereof
Technical field
The invention belongs to technical field of polymer materials, particularly relates to a kind of PET-PC composites and preparation method thereof.
Background technology
Polyethylene terephthalate (PET) is a kind of important thermoplastic polymer, good stability of the dimension, insulating properties It is good, oil resistant, it is widely used in the fields such as household electrical appliance, mechanical fitting, office appliance and Communication Equipment.With people's living standard Raising, have higher and higher requirement to the material used, PET because notch impact strength is sensitive, antistatic property is bad, The application of PET composite material is limited to a certain extent.
Given this reason, applicant innovatively with PC, fullerene come modified PET, be finally made a kind of notch impact strength, The excellent PET-PC composites of antistatic property, this for extend PET-PC composites application have it is very important existing Sincere justice.
The content of the invention
It is an object of the invention to provide a kind of PET-PC composites and preparation method thereof, to solve PET in the prior art Notch impact strength it is sensitive and the problem of antistatic property is bad.
The present invention is achieved by the following technical solutions：
A kind of PET-PC composites, it is composed of the following components by weight：
The conductive filler is modified fullerenes.
The preparation process of the modified fullerenes is as follows：
(1) fullerene is immersed in the concentrated sulfuric acid after heating 8-12h at 80-100 DEG C and taken out, with deionized water filtration washing Fullerene A must be vulcanized 3-6 times；
(2) vulcanization fullerene A is dissolved in starch solution, is ultrasonically treated 6-8h；
(3) wash, filter repeatedly, obtained solid is dried into 2-4h in 80-100 DEG C of vacuum drying oven, finally given The modified fullerenes coated by starch.
The mass ratio of fullerene and the concentrated sulfuric acid wherein in step (1) is (40-60)：(100-140), in step (2) The mass ratio for vulcanizing fullerene A and starch solution is (20-30)：(120-160).
The toughener is POE.
The compatilizer is SEBS-g-MAH.
The antioxidant is three (2,4- di-t-butyl) phenyl-phosphites, four [β-(3,5- di-tert-butyl-hydroxy phenyls) Propionic acid] pentaerythritol ester or 1,3,5- trimethyls -2,4, one kind or several in 6- (3,5- di-t-butyl -4- hydroxyphenylmethyls) benzene The mixing of kind.
A kind of preparation method of PET-PC composites, comprises the following steps：
(1) weigh 80 parts -100 parts PET, 20 parts of -30 parts of PC, 6 parts of -10 parts of modified fullerenes, 8 parts of -12 parts of POE, 0.1 SEBS-g-MAH, 0.1 part of -0.5 part of antioxidant of -0.3 part of part are mixed and stirred for uniformly, obtaining compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, obtain PET-PC composites.
The step (2) is specially：
The compound obtained in step (1) is put into extruding pelletization in the hopper of double screw extruder, wherein, it is described double Screw extruder includes six humidity provinces sequentially arranged, 170~230 DEG C of area's temperature, two 250~270 DEG C of area's temperature, 3rd area 250~270 DEG C of temperature, four 250~270 DEG C of area's temperature, five 250~270 DEG C of area's temperature, six 250~270 DEG C of area's temperature, head Temperature is 250~270 DEG C, and screw speed is 180~300r/min.
The beneficial effects of the invention are as follows：
The fullerene produced by the present invention coated by starch, forms cross-linked structure, and it is compared with conventional antistatic agents, tool There is more preferable antistatic effect, can effectively reduce surface of polymer material resistivity.
PC addition improves PET notch impact strength.
Embodiment
Describe technical scheme in detail by the following examples, following embodiment be only it is exemplary, only Explanation and illustration technical scheme can be used for, and be not to be construed as the limitation to technical solution of the present invention.
Raw material used is as follows in embodiments of the invention：
PET (model 008L), Canadian Aclo；PC (model L-1250Y), Japanese Teijin Chemicals, Ltd.；Fullerene, Fullerene Science and Technology Ltd. of Puyang Yongxin；POE (model 8150), LG-DOW；SEBS-g-MAH, the sub- match plasticizing in Suzhou have Limit company；Antioxidant (model Irganox168, Irganox1010, Irganox1330), Switzerland's Ciba.
Tester used in the present invention is as follows：
ZSK30 type double screw extruders, German W＆P companies；JL-1000 type tensile testing machines, the wide just experiment instrument in Guangzhou Device company produces；HTL900-T-5B type injection (mo(u)lding) machines, the production of Hai Tai plastics machineries Co., Ltd；XCJ-500 type shock-testings Machine, the production of Chengde testing machine factory；QT-1196 type tester for elongation, Dongguan City Gao Tai detecting instruments Co., Ltd；QD-GJS- B12K type homogenizers, Beijing perseverance Order instrument and meter Co., Ltd.
The present invention provides a kind of PET-PC composites, composed of the following components by weight：
Conductive filler is modified fullerenes.
The preparation process of modified fullerenes is as follows：
(1) fullerene is immersed in the concentrated sulfuric acid after heating 8-12h at 80-100 DEG C and taken out, with deionized water filtration washing Fullerene A must be vulcanized 3-6 times；
(2) vulcanization fullerene A is dissolved in starch solution, is ultrasonically treated 6-8h；
(3) wash, filter repeatedly, obtained solid is dried into 2-4h in 80-100 DEG C of vacuum drying oven, finally given The modified fullerenes coated by starch.
The mass ratio of fullerene and the concentrated sulfuric acid wherein in step (1) is (40-60)：(100-140), in step (2) The mass ratio for vulcanizing fullerene A and starch solution is (20-30)：(120-160).
Toughener is POE.
Compatilizer is SEBS-g-MAH.
Antioxidant for BASF AG three (2,4- di-t-butyls) phenyl-phosphites (abbreviation Irganox168), four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester (abbreviation Irganox1010) or 1,3,5- trimethyl -2, One or more of mixing in 4,6- (3,5- di-t-butyl -4- hydroxyphenylmethyls) benzene (abbreviation Irganox1330).
The application also provides a kind of preparation method of PET-PC composites, comprises the following steps：
(1) weigh 80 parts -100 parts PET, 20 parts of -30 parts of PC, 6 parts of -10 parts of modified fullerenes, 8 parts of -12 parts of POE, 0.1 SEBS-g-MAH, 0.1 part of -0.5 part of antioxidant of -0.3 part of part are mixed and stirred for uniformly, obtaining compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, obtain PET-PC composites.
Step (2) is specially：
State six humidity provinces that double screw extruder includes sequentially arranging, 170~230 DEG C of area's temperature, two area's temperature 250 ~270 DEG C, three 250~270 DEG C of area's temperature, four 250~270 DEG C of area's temperature, five 250~270 DEG C of area's temperature, six area's temperature 250 ~270 DEG C, head temperature is 250~270 DEG C, and screw speed is 180~300r/min.
Embodiment 1
(1) weigh 80 parts of PET, 20 parts of PC, 6 parts of modified fullerenes, 8 parts of POE, 0.1 part of SEBS-g-MAH, 0.1 part Irganox168 is mixed and stirred for uniformly, obtaining compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, PET-PC composites P1 is obtained.
Wherein each area's temperature of double screw extruder and screw speed are respectively：One 170 DEG C of area's temperature, two 250 DEG C of area's temperature, Three 250 DEG C of area's temperature, four 250 DEG C of area's temperature, five 250 DEG C of area's temperature, six 250 DEG C of area's temperature, 250 DEG C of head temperature, screw rod turn Fast 180r/min.
Embodiment 2
(1) weigh 100 parts of PET, 30 parts of PC, 10 parts of modified fullerenes, 12 parts of POE, 0.3 part of SEBS-g-MAH, 0.1 part Irganox168,0.2 part of Irganox1010,0.2 part of Irganox1330 are mixed and stirred for uniformly, obtaining compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, PET-PC composites P2 is obtained.
Wherein each area's temperature of double screw extruder and screw speed are respectively：One 230 DEG C of area's temperature, two 270 DEG C of area's temperature, Three 270 DEG C of area's temperature, four 270 DEG C of area's temperature, five 270 DEG C of area's temperature, six 270 DEG C of area's temperature, 270 DEG C of head temperature, screw rod turn Fast 300r/min.
Embodiment 3
(1) weigh 90 parts of PET, 25 parts of PC, 8 parts of modified fullerenes, 10 parts of POE, 0.2 part of SEBS-g-MAH, 0.1 part Irganox168,0.2 part of Irganox1010 are mixed and stirred for uniformly, obtaining compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, PET-PC composites P3 is obtained.
Wherein each area's temperature of double screw extruder and screw speed are respectively：One 200 DEG C of area's temperature, two 260 DEG C of area's temperature, Three 260 DEG C of area's temperature, four 260 DEG C of area's temperature, five 260 DEG C of area's temperature, six 260 DEG C of area's temperature, 260 DEG C of head temperature；Screw rod turns Fast 240r/min.
Embodiment 4
(1) weigh 95 parts of PET, 28 parts of PC, 7 parts of modified fullerenes, 9 parts of POE, 0.1 part of SEBS-g-MAH, 0.1 part Irganox1010,0.2 part of Irganox1330 are mixed and stirred for uniformly, obtaining compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, PET-PC composites P4 is obtained.
Wherein each area's temperature of double screw extruder and screw speed are respectively：One 195 DEG C of area's temperature, two 255 DEG C of area's temperature, Three 255 DEG C of area's temperature, four 255 DEG C of area's temperature, five 255 DEG C of area's temperature, six 255 DEG C of area's temperature, 255 DEG C of head temperature；Screw rod turns Fast 260r/min.
Embodiment 5
(1) weigh 90 parts of PET, 24 parts of PC, 9 parts of modified fullerenes, 11 parts of POE, 0.15 part of SEBS-g-MAH, 0.1 part Irganox1010,0.1 part of Irganox168 are mixed and stirred for uniformly, obtaining compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, PET-PC composites P5 is obtained.
Wherein each area's temperature of double screw extruder and screw speed are respectively：One 195 DEG C of area's temperature, two 265 DEG C of area's temperature, Three 265 DEG C of area's temperature, four 265 DEG C of area's temperature, five 265 DEG C of area's temperature, six 265 DEG C of area's temperature, 265 DEG C of head temperature；Screw rod turns Fast 255r/min.
Comparative example 1
(1) 80 parts of PET, 0.1 part of Irganox1010,0.2 part of Irganox168 is weighed to be mixed and stirred for uniformly, obtaining To compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, obtain PET composite material D1.
Wherein each area's temperature of double screw extruder and screw speed are respectively：One 195 DEG C of area's temperature, two 255 DEG C of area's temperature, Three 255 DEG C of area's temperature, four 255 DEG C of area's temperature, five 255 DEG C of area's temperature, six 255 DEG C of area's temperature, 255 DEG C of head temperature；Screw rod turns Fast 215r/min.
Comparative example 2
(1) weigh 80 parts of PET, 24 parts of PC, 9 parts of graphitic carbon blacks, 11 parts of POE, 0.15 part of SEBS-g-MAH, 0.1 part Irganox1010,0.2 part of Irganox168 are mixed and stirred for uniformly, obtaining compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, PET-PC composites D2 is obtained.
Wherein each area's temperature of double screw extruder and screw speed are respectively：One 195 DEG C of area's temperature, two 255 DEG C of area's temperature, Three 255 DEG C of area's temperature, four 255 DEG C of area's temperature, five 255 DEG C of area's temperature, six 255 DEG C of area's temperature, 255 DEG C of head temperature；Screw rod turns Fast 215r/min.
Performance test：
PET-PC composites prepared by above-described embodiment 1-5 and comparative example 1 are made into batten with injection machine to test, test Data such as following table：
As can be seen from the above table, can also be seen that from table：
1. embodiment 1-5 notch impact strength, antistatic property will be better than comparative example 1, illustrate each implementation of the invention PET-PC composites prepared by example are obtained for improvement compared with PET in notch impact strength, antistatic property.
2. embodiment 1-5 antistatic property is better than comparative example 2, modified rich made from this explanation various embodiments of the present invention It is more preferable than the antistatic effect of conventional conventional antistatic agents to strangle alkene.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding And deformation, the scope of the present invention are extremely equally limited by appended claims.

Claims (9)

1. a kind of PET-PC composites, it is characterised in that composed of the following components by weight：
2. PET-PC composites according to claim 1, it is characterised in that the conductive filler is modified fullerenes.
3. PET-PC composites according to claim 2, it is characterised in that the preparation process of the modified fullerenes is such as Under：
(1) fullerene is immersed in the concentrated sulfuric acid after heating 8-12h at 80-100 DEG C and taken out, with deionized water filtration washing 3-6 It is secondary to vulcanize fullerene A；
(2) vulcanization fullerene A is dissolved in starch solution, is ultrasonically treated 6-8h；
(3) wash, filter repeatedly, obtained solid is dried into 2-4h in 80-100 DEG C of vacuum drying oven, finally gives and is formed sediment The modified fullerenes of powder cladding.
4. PET-PC composites according to claim 3, it is characterised in that fullerene wherein in step (1) and dense The mass ratio of sulfuric acid is (40-60)：(100-140), the mass ratio of vulcanization fullerene A and starch solution in step (2) are (20-30)：(120-160).
5. PET-PC composites according to claim 1, it is characterised in that the toughener is POE.
6. PET-PC composites according to claim 1, it is characterised in that the compatilizer is SEBS-g-MAH.
7. PET-PC composites according to claim 1, it is characterised in that the antioxidant is three (2,4- bis- tertiary fourths Base) phenyl-phosphite, four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters or 1,3,5- trimethyl -2, One or more of mixing in 4,6- (3,5- di-t-butyl -4- hydroxyphenylmethyls) benzene.
8. a kind of preparation method of PET-PC composites, it is characterised in that comprise the following steps：
(1) weigh 80 parts -100 parts PET, 20 parts of -30 parts of PC, 6 parts of -10 parts of modified fullerenes, 8 parts of -12 parts of POE, 0.1 part - 0.3 part of SEBS-g-MAH, 0.1 part of -0.5 part of antioxidant are mixed and stirred for uniformly, obtaining compound；
(2) the compound extruding pelletization that will be obtained in step (1), that is, obtain PET-PC composites.
9. the preparation method of PET-PC composites according to claim 8, it is characterised in that the step (2) is specific For：
The compound obtained in step (1) is put into extruding pelletization in the hopper of double screw extruder, wherein, the twin-screw Extruder includes six humidity provinces sequentially arranged, 170~230 DEG C of area's temperature, two 250~270 DEG C of area's temperature, three area's temperature 250~270 DEG C, four 250~270 DEG C of area's temperature, five 250~270 DEG C of area's temperature, six 250~270 DEG C of area's temperature, head temperature For 250~270 DEG C, screw speed is 180~300r/min.
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CN108384205A (en) * 2018-03-12 2018-08-10 宁波涌聚三维科技有限公司 A kind of high tenacity lower shrinkage PET/PC alloys and preparation method thereof and the application in 3D printing field
CN108395660A (en) * 2018-03-21 2018-08-14 安徽江淮汽车集团股份有限公司 A kind of AES composite material and preparation method thereof
CN108912620A (en) * 2018-06-20 2018-11-30 安徽江淮汽车集团股份有限公司 A kind of antibiotic conductive PET composite material and preparation method thereof
CN109054748A (en) * 2018-06-20 2018-12-21 安徽江淮汽车集团股份有限公司 A kind of preparation method of modified fullerenes material

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CN107141597A (en) * 2017-06-21 2017-09-08 安徽江淮汽车集团股份有限公司 A kind of high performance antistatic PP PE composites and preparation method thereof

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CN101054465A (en) * 2007-05-24 2007-10-17 深圳市科聚新材料有限公司 PC/PET alloy and manufacture method thereof
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108384205A (en) * 2018-03-12 2018-08-10 宁波涌聚三维科技有限公司 A kind of high tenacity lower shrinkage PET/PC alloys and preparation method thereof and the application in 3D printing field
CN108395660A (en) * 2018-03-21 2018-08-14 安徽江淮汽车集团股份有限公司 A kind of AES composite material and preparation method thereof
CN108912620A (en) * 2018-06-20 2018-11-30 安徽江淮汽车集团股份有限公司 A kind of antibiotic conductive PET composite material and preparation method thereof
CN109054748A (en) * 2018-06-20 2018-12-21 安徽江淮汽车集团股份有限公司 A kind of preparation method of modified fullerenes material
CN109054748B (en) * 2018-06-20 2020-08-21 安徽江淮汽车集团股份有限公司 Preparation method of modified fullerene material

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