CN109181250A - A kind of PET foamed material and preparation method thereof - Google Patents
A kind of PET foamed material and preparation method thereof Download PDFInfo
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- CN109181250A CN109181250A CN201811100648.0A CN201811100648A CN109181250A CN 109181250 A CN109181250 A CN 109181250A CN 201811100648 A CN201811100648 A CN 201811100648A CN 109181250 A CN109181250 A CN 109181250A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
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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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
Composed of the following components by weight the present invention relates to a kind of PET foamed material and preparation method thereof: PET is 80 parts -100 parts；Foaming agent is 10 parts -20 parts；Crosslinking agent is 2 parts -4 parts；Antioxidant is 0.1 part -0.5 part；Foaming agent is magnesium chloride modified kaolin.Kaoline loaded MgCl2·6H2The foaming agent of O, PET foamed material compressive strength, tensile strength, bending modulus made from it have different degrees of reinforcement compared with other foaming agents；And PET foamed material has the characteristics that process is short, equipment is simple, has excellent performance, and has very big promotional value.
Description
Technical field
The invention belongs to technical field of polymer materials, a kind of PET foamed material and preparation method thereof is particularly related to.
Background technique
Polyethylene terephthalate (PET) foaming is a kind of important foamed material, is widely used in automobile, household electric
The fields such as device, mechanical fitting, office appliance and Communication Equipment.PET foaming have it is light, nontoxic, odorless, good water absorption etc. is excellent
Point.A kind of PET foamed material that excellent physical properties are made of the technical program innovation, this material not yet see report so far
Road, this has very important realistic meaning for the application of extension PET foamed material.
Summary of the invention
The object of the present invention is to provide a kind of PET foamed materials and preparation method thereof, to solve existing PET foamed material
The problem of a little physical properties cannot meet the needs.
The present invention is achieved by the following technical solutions:
A kind of PET foamed material, composed of the following components by weight:
The foaming agent is magnesium chloride modified kaolin.
The preparation method of the foaming agent, comprising the following steps:
(1) a certain amount of MgCl is weighed2·6H2O, deionized water, kaolin；
(2) by MgCl2·6H2O, deionized water, kaolin are put into reaction vessels, anti-in 60-80 DEG C of stirred in water bath
3-5h is answered, solution A is formed；
(3) 10-12h is reacted in 100-120 DEG C of continuous heating to solution A using heating device, steams system moisture sufficiently
Hair, obtains solid B；
(4) by solid B grind into powder, 500 meshes is crossed, foaming agent is obtained.
MgCl in the step (1)2·6H2O, deionized water, kaolinic mass ratio are (60-80): (240-300):
(160-180)。
The crosslinking agent is N,N methylene bis acrylamide.
The antioxidant is three (2,4- di-t-butyl) phenyl-phosphites, four [β-(3,5- di-tert-butyl-hydroxy phenyl)
Propionic acid] pentaerythritol ester or 1,3,5- trimethyls -2,4, one of 6- (3,5- di-t-butyl -4- hydroxyphenylmethyl) benzene or several
The mixing of kind.
A kind of preparation method of PET foamed material, comprising the following steps:
(1) weigh 80 parts -100 parts PET, 10 parts of -20 parts of foaming agents, 2 parts of -4 parts of N,N methylene bis acrylamides,
0.1 part of -0.5 part of antioxidant；
(2) PET, foaming agent, N,N methylene bis acrylamide, antioxidant are put into double screw extruder extruding pelletization；
(3) the expandable pellet of PET is evenly distributed in closed rigid die, places into the baking oven of steady temperature and keeps the temperature
After 8-12h, takes out and cool and solidify to obtain PET foamed product.
Double screw extruder in the step (2) includes six humidity provinces sequentially arranged, area's temperature 240~260
DEG C, two 280~300 DEG C of area's temperature, three 280~300 DEG C of area's temperature, four 280~300 DEG C of area's temperature, five area's temperature 280~300
DEG C, six 280~300 DEG C of area's temperature, 280~300 DEG C of head temperature, 200~280r/min of screw speed.
The temperature of baking oven in the step (3) is 160-180 DEG C.
The beneficial effects of the present invention are:
1, crosslinking agent N, N- methylene-bisacrylamide can be crosslinked with PET, promote the melt strength of PET, improve the hair of PET
Bubble property.
2, a kind of foaming agent has been made in the technical program: kaoline loaded MgCl2·6H2The foaming agent of O, is made with it
PET foamed material compressive strength, tensile strength, the bending modulus obtained has different degrees of reinforcement compared with other foaming agents.
3, the PET foamed material of the technical program has the characteristics that process is short, equipment is simple, has excellent performance, and has very big
Promotional value.
Specific embodiment
Carry out the technical solution that the present invention will be described in detail by the following examples, embodiment below is merely exemplary, only
It can be used to explanation and illustration technical solution of the present invention, and be not to be construed as the limitation to technical solution of the present invention.
Raw material used in embodiments herein is as follows:
PET (model 008L), Canadian Aclo；N, N- methylene-bisacrylamide, Tianjin day kettle chemical industry；Antioxidant (type
Number Irganox168, Irganox1010, Irganox1330), Switzerland's Ciba.
Test equipment used herein is as follows:
ZSK30 type double screw extruder, German W&P company；JL-1000 type tensile testing machine, the wide just experiment instrument in Guangzhou
The production of device company；HTL900-T-5B type injection (mo(u)lding) machine, the production of Hai Tai plastics machinery Co., Ltd；XCJ-500 type shock-testing
Machine, the production of Chengde testing machine factory；QT-1196 type tester for elongation, Dongguan City Gao Tai detecting instrument Co., Ltd；QD-GJS-
B12K type high-speed mixer, Beijing perseverance Order instrument and meter Co., Ltd；101A-1 type digital display Electric heat oven, the holy glad science in Shanghai
Instrument Ltd..
The application provides a kind of PET foamed material, composed of the following components by weight:
The foaming agent is magnesium chloride modified kaolin.
The preparation method of the foaming agent, comprising the following steps:
(1) a certain amount of MgCl is weighed2·6H2O, deionized water, kaolin；MgCl2·6H2O, deionized water, kaolin
Mass ratio be (60-80): (240-300): (160-180).
(2) by MgCl2·6H2O, deionized water, kaolin are put into reaction vessels, anti-in 60-80 DEG C of stirred in water bath
3-5h is answered, solution A is formed；
(3) 10-12h is reacted in 100-120 DEG C of continuous heating to solution A using heating device, steams system moisture sufficiently
Hair, obtains solid B；
(4) by solid B grind into powder, 500 meshes is crossed, foaming agent is obtained.
The crosslinking agent is N,N methylene bis acrylamide.
The antioxidant is three (2,4- di-t-butyl) phenyl-phosphites, four [β-(3,5- di-tert-butyl-hydroxy phenyl)
Propionic acid] pentaerythritol ester or 1,3,5- trimethyls -2,4, one of 6- (3,5- di-t-butyl -4- hydroxyphenylmethyl) benzene or several
The mixing of kind.
A kind of preparation method of PET foamed material, comprising the following steps:
(1) weigh 80 parts -100 parts PET, 10 parts of -20 parts of foaming agents, 2 parts of -4 parts of N,N methylene bis acrylamides,
0.1 part of -0.5 part of antioxidant；
(2) PET, foaming agent, N,N methylene bis acrylamide, antioxidant are put into double screw extruder extruding pelletization；
(3) the expandable pellet of PET is evenly distributed in closed rigid die, having placed into steady temperature is 160-180 DEG C
Baking oven in keep the temperature 8-12h after, take out and cool and solidify to obtain PET foamed product.
Double screw extruder in the step (2) includes six humidity provinces sequentially arranged, area's temperature 240~260
DEG C, two 280~300 DEG C of area's temperature, three 280~300 DEG C of area's temperature, four 280~300 DEG C of area's temperature, five area's temperature 280~300
DEG C, six 280~300 DEG C of area's temperature, 280~300 DEG C of head temperature, 200~280r/min of screw speed.
Embodiment 1
(1) 80 parts of PET, 10 parts of foaming agents, 2 parts of N,N methylene bis acrylamides, 0.1 part of Irganox168 are weighed；
(2) by PET, foaming agent, N, N- methylene-bisacrylamide, antioxidant put into double screw extruder extruding pelletization,
Obtain the expandable pellet P1 of PET.
(3) the expandable pellet P1 of PET is evenly distributed in closed rigid die, places into the baking oven of steady temperature and protects
After warm 8h, takes out and cool and solidify to obtain PET foamed product.
Double screw extruder in the step (2) includes six humidity provinces sequentially arranged, 240 DEG C of area's temperature, and two
280 DEG C of area's temperature, three 280 DEG C of area's temperature, four 280 DEG C of area's temperature, five 280 DEG C of area's temperature, six 280 DEG C of area's temperature, head temperature
280 DEG C, screw speed 200r/min.
The temperature of baking oven in the step (3) is 160 DEG C.
Embodiment 2
(1) weigh 100 parts of PET, 20 parts of foaming agents, 4 parts of N,N methylene bis acrylamides, 0.2 part of Irganox1010,
0.2 part of Irganox1330,0.1 part of Irganox168；
(2) by PET, foaming agent, N, N- methylene-bisacrylamide, antioxidant put into double screw extruder extruding pelletization,
Obtain the expandable pellet P2 of PET.
(3) the expandable pellet P2 of PET is evenly distributed in closed rigid die, places into the baking oven of steady temperature and protects
After warm 12h, takes out and cool and solidify to obtain PET foamed product.
Double screw extruder in the step (2) includes six humidity provinces sequentially arranged, 260 DEG C of area's temperature, and two
300 DEG C of area's temperature, three 300 DEG C of area's temperature, four 300 DEG C of area's temperature, five 300 DEG C of area's temperature, six 300 DEG C of area's temperature, head temperature
300 DEG C, screw speed 280r/min.
The temperature of baking oven in the step (3) is 180 DEG C.
Embodiment 3
(1) weigh 90 parts of PET, 15 parts of foaming agents, 3 parts of N,N methylene bis acrylamides, 0.2 part of Irganox1010,
0.1 part of Irganox1330；
(2) by PET, foaming agent, N, N- methylene-bisacrylamide, antioxidant put into double screw extruder extruding pelletization,
Obtain the expandable pellet P3 of PET.
(3) the expandable pellet P3 of PET is evenly distributed in closed rigid die, places into the baking oven of steady temperature and protects
After warm 10h, takes out and cool and solidify to obtain PET foamed product.
Double screw extruder in the step (2) includes six humidity provinces sequentially arranged, 250 DEG C of area's temperature, and two
290 DEG C of area's temperature, three 290 DEG C of area's temperature, four 290 DEG C of area's temperature, five 290 DEG C of area's temperature, six 290 DEG C of area's temperature, head temperature
290 DEG C, screw speed 240r/min.
The temperature of baking oven in the step (3) is 170 DEG C.
Embodiment 4
(1) weigh 85 parts PET, 18 parts of foaming agents, 4 parts of N,N methylene bis acrylamides, 0.2 part of Irganox1010,
0.1 part of Irganox1330；
(2) by PET, foaming agent, N, N- methylene-bisacrylamide, antioxidant put into double screw extruder extruding pelletization,
Obtain the expandable pellet P4 of PET.
(3) the expandable pellet P4 of PET is evenly distributed in closed rigid die, places into the baking oven of steady temperature and protects
After warm 9h, takes out and cool and solidify to obtain PET foamed product.
Double screw extruder in the step (2) includes six humidity provinces sequentially arranged, 245 DEG C of area's temperature, and two
285 DEG C of area's temperature, three 285 DEG C of area's temperature, four 285 DEG C of area's temperature, five 285 DEG C of area's temperature, six 285 DEG C of area's temperature, head temperature
285 DEG C, screw speed 250r/min.
The temperature of baking oven in the step (3) is 175 DEG C.
Embodiment 5
(1) weigh 95 parts PET, 18 parts of foaming agents, 2 parts of N,N methylene bis acrylamides, 0.3 part of Irganox1010,
0.1 part of Irganox1330；
(2) by PET, foaming agent, N, N- methylene-bisacrylamide, antioxidant put into double screw extruder extruding pelletization,
Obtain the expandable pellet P5 of PET.
(3) the expandable pellet P5 of PET is evenly distributed in closed rigid die, places into the baking oven of steady temperature and protects
After warm 10h, takes out and cool and solidify to obtain PET foamed product.
Double screw extruder in the step (2) includes six humidity provinces sequentially arranged, 245 DEG C of area's temperature, and two
295 DEG C of area's temperature, three 295 DEG C of area's temperature, four 295 DEG C of area's temperature, five 295 DEG C of area's temperature, six 295 DEG C of area's temperature, head temperature
295 DEG C, screw speed 245r/min.
The temperature of baking oven in the step (3) is 175 DEG C.
Comparative example 1
(1) 90 parts of PET, 18 parts of blowing agent ACs, 0.1 part of Irganox1010 are weighed；
(2) PET, blowing agent AC, antioxidant are put into double screw extruder extruding pelletization, obtains the expandable pellet D1 of PET.
(3) the expandable pellet D1 of PET is evenly distributed in closed rigid die, places into the baking oven of steady temperature and protects
After warm 8h, takes out and cool and solidify to obtain PET foamed product.
Double screw extruder in the step (2) includes six humidity provinces sequentially arranged, 240 DEG C of area's temperature, and two
280 DEG C of area's temperature, three 280 DEG C of area's temperature, four 280 DEG C of area's temperature, five 280 DEG C of area's temperature, six 280 DEG C of area's temperature, head temperature
280 DEG C, screw speed 200r/min.
The temperature of baking oven in the step (3) is 165 DEG C.
Performance test:
Batten test, test data is made with injection molding machine in PET foamed material prepared by above-described embodiment 1-5 and comparative example 1
It is as follows:
It can also be seen that the mechanical property of embodiment 1-5 will be better than comparative example 1 from table.This greatly expands PET hair
The application field of foam material, has very important significance.
The above disclosure is just a few specific examples of the present application, however, this application is not limited to this, any this field
Technical staff can think variation, should all fall in the protection domain of the application.
Claims (8)
1. a kind of PET foamed material, which is characterized in that composed of the following components by weight:
The foaming agent is magnesium chloride modified kaolin.
2. PET foamed material according to claim 1, which is characterized in that the preparation method of the foaming agent, including it is following
Step:
(1) a certain amount of MgCl is weighed2·6H2O, deionized water, kaolin；
(2) by MgCl2·6H2O, deionized water, kaolin are put into reaction vessels, react 3- in 60-80 DEG C of stirred in water bath
5h forms solution A；
(3) 10-12h is reacted in 100-120 DEG C of continuous heating to solution A using heating device, evaporates system moisture sufficiently, obtains
Solid B；
(4) by solid B grind into powder, 500 meshes is crossed, foaming agent is obtained.
3. PET foamed material according to claim 1, which is characterized in that the MgCl in the step (1)2·6H2O, it goes
Ionized water, kaolinic mass ratio are (60-80): (240-300): (160-180).
4. PET foamed material according to claim 1, which is characterized in that the crosslinking agent is N, N- methylene bisacrylamide
Amide.
5. PET foamed material according to claim 1, which is characterized in that the antioxidant is three (2,4- di-t-butyls)
Phenyl-phosphite, four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters or 1,3,5- trimethyls -2,4,6-
The mixing of one or more of (3,5- di-t-butyl -4- hydroxyphenylmethyl) benzene.
6. a kind of preparation method of PET foamed material, which comprises the following steps:
(1) weigh 80 parts -100 parts PET, 10 parts of -20 parts of foaming agents, 2 parts of -4 parts of N,N methylene bis acrylamides, 0.1 part -
0.5 part of antioxidant；
(2) PET, foaming agent, N,N methylene bis acrylamide, antioxidant are put into double screw extruder extruding pelletization；
(3) the expandable pellet of PET is evenly distributed in closed rigid die, places into the baking oven of steady temperature and keeps the temperature 8-
After 12h, takes out and cool and solidify to obtain PET foamed product.
7. the preparation method of PET foamed material according to claim 6, which is characterized in that double spiral shells in the step (2)
Bar extruder includes six humidity provinces sequentially arranged, 240~260 DEG C of area's temperature, two 280~300 DEG C of area's temperature, three area's temperature
280~300 DEG C of degree, four 280~300 DEG C of area's temperature, five 280~300 DEG C of area's temperature, six 280~300 DEG C of area's temperature, head temperature
280~300 DEG C of degree, 200~280r/min of screw speed.
8. the preparation method of PET foamed material according to claim 6, which is characterized in that the baking oven in the step (3)
Temperature be 160-180 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811100648.0A CN109181250A (en) | 2018-09-20 | 2018-09-20 | A kind of PET foamed material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811100648.0A CN109181250A (en) | 2018-09-20 | 2018-09-20 | A kind of PET foamed material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN109181250A true CN109181250A (en) | 2019-01-11 |
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ID=64908926
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811100648.0A Pending CN109181250A (en) | 2018-09-20 | 2018-09-20 | A kind of PET foamed material and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851111A (en) * | 2010-06-08 | 2010-10-06 | 雷震 | Environment-friendly foaming fireproof plate and preparation method thereof |
| CN107057166A (en) * | 2017-05-31 | 2017-08-18 | 三斯达（江苏）环保科技有限公司 | A kind of tasteless PE expanded materials and its manufacture method |
-
2018
- 2018-09-20 CN CN201811100648.0A patent/CN109181250A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851111A (en) * | 2010-06-08 | 2010-10-06 | 雷震 | Environment-friendly foaming fireproof plate and preparation method thereof |
| CN107057166A (en) * | 2017-05-31 | 2017-08-18 | 三斯达（江苏）环保科技有限公司 | A kind of tasteless PE expanded materials and its manufacture method |
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Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 No. 669 Shixin Road, Taohua Industrial Park, Hefei City, Anhui Province Applicant before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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Application publication date: 20190111 |