CN104292778A - Preparation method of modified PET (polyethylene terephthalate) composite material - Google Patents
Preparation method of modified PET (polyethylene terephthalate) composite material Download PDFInfo
- Publication number
- CN104292778A CN104292778A CN201410569609.0A CN201410569609A CN104292778A CN 104292778 A CN104292778 A CN 104292778A CN 201410569609 A CN201410569609 A CN 201410569609A CN 104292778 A CN104292778 A CN 104292778A
- Authority
- CN
- China
- Prior art keywords
- preparation
- polyethylene terephthalate
- composite material
- modified pet
- district
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention provides a preparation method of a modified PET (polyethylene terephthalate) composite material. The preparation method comprises the following steps: a) selecting and preparing materials; b) preparing polyethylene glycol phosphate 1000; c) preparing calcium carbonate nano particles; and ) pelletizing and injection molding. The invention discloses a preparation method of the modified PET composite material, wherein the preparation method is reasonable in process arrangement, advanced and simple and easy in production process and moderate in preparation cost, and adopts the advanced nano technology and surface modification technology; and the prepared PET composite material has relatively good gas barrier property, impact resistance and thermal stability, and is especially suitable for manufacturing PET sheets for various electronic products.
Description
Technical field
The present invention relates to a kind of preparation method of PET material, particularly relate to a kind of preparation method of modified PET (Polyethylene Terephthalate) composite material, belong to plastic material technical field.
Background technology
Polyethylene terephtalate is a kind of important engineering plastics, it has excellent physical and mechanical properties in wide temperature range, under high-temperature high-frequency, still can keep excellent electrical insulation capability, be widely used in the every profession and trades such as electronics, food, medicine, office appliance, toy by the PET sheet that it is produced.But, there is barrier properties for gases difference in PET itself, crystallization is slow, shaping cycle is long, impact property is poor and the problem such as poor heat stability, limit it in very many-sided application, therefore certain modification need be carried out to PET material, to obtain the PET material meeting multiple application requiring.
In current art, the general performance being improved PET material by methods such as strengthening, fill, be blended.In recent years, along with the development of nanotechnology, people attempt adopting various technology to be added to by inorganic nano-particle in PET matrix, thus improve the crystal property of PET material, thermostability, shock strength and barrier properties for gases, but due to materials and the defect on improving one's methods, the effect realized is mostly unsatisfactory, and inorganic nano-particle particularly cannot be accomplished to be distributed to completely in PET matrix.Although some modification obtains good performance, the cost that preparation cost spends is very large, should not apply on a large scale.
Summary of the invention
For the demand, the invention provides a kind of preparation method of modified PET (Polyethylene Terephthalate) composite material, this preparation method's procedure arrangement is reasonable, adopt advanced nanotechnology and process for modifying surface, production technique is advanced and simple, obtained PET composite material has good barrier properties for gases, shock resistance and thermostability, is specially adapted to the making of multiple PET sheet in electronic product.
The present invention is a kind of preparation method of modified PET (Polyethylene Terephthalate) composite material, and this preparation method comprises the steps: that a) selection is got the raw materials ready, and b) prepares polyoxyethylene glycol phosphoric acid ester 1000, c) prepares calcium carbonate nano particle, d) granulation injection moulding.
In a preferred embodiment of the present invention, in described step a), main raw material and the percentage composition proportioning thereof of matrix material are: polyethylene terephthalate 94%-95%, calcium carbonate nano particle 5%-6%; The main raw material of calcium carbonate nano particle and ratio of quality and the number of copies thereof are: 50 parts, calcium oxide: polyoxyethylene glycol phosphoric acid ester 1,000 1 parts; Main raw material and the percentage composition proportioning thereof of polyoxyethylene glycol phosphoric acid ester 1000 are: cetomacrogol 1000 88%-90%: polyphosphoric acid 10%-12%.
In a preferred embodiment of the present invention, in described step b), process for preparation is as follows: first, gets quantitative cetomacrogol 1000 and polyphosphoric acid is placed in stirred vessel, mechanical stirring 30-35 minute; Then, mixture is warming up to 90 DEG C-95 DEG C under water bath condition, continues to stir 3-3.5 hour; Finally, reaction product in stirred vessel slow cooling to room temperature.
In a preferred embodiment of the present invention, in described step c), preparation process is as follows: first, is added into by quantitative calcium oxide in the deionized water of 100 DEG C, and compound concentration is the calcium hydroxide slurry of 7%; Then, leave standstill process 12 hours, use 200 mesh screen; Then, in calcium hydroxide slurry, add quantitative polyoxyethylene glycol phosphoric acid ester after 1000, mechanical stirring 40-45 minutes, logical carbonic acid gas and nitrogen mixture, react at 18 DEG C to pH value be 7; Finally, filter, wash rear reactant, drying treatment 12-13 hour in the baking oven of 80 DEG C-85 DEG C.
In a preferred embodiment of the present invention, in described step d), operating process is as follows: first, and polyethylene terephthalate and calcium carbonate nano particle are put into high-speed kneading machine, with the rotating speed uniform stirring 15-18 minute of 800-820r/min; Then, tablets press is used to carry out granulation and dry; Finally, controlling injection moulding machine each district temperature is: 210 DEG C, a district, 225 DEG C, 2nd district, 235 DEG C, 3rd district, 210 DEG C, 4th district, injection pressure is adjusted to 12-13MPa.
Present invention is disclosed a kind of preparation method of modified PET (Polyethylene Terephthalate) composite material, this preparation method's procedure arrangement is reasonable, adopt advanced nanotechnology and process for modifying surface, production technique is advanced and simple, preparation cost is moderate, obtained PET composite material has good barrier properties for gases, shock resistance and thermostability, is particularly suitable for making all kinds of use for electronic products PET sheet.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the process figure of embodiment of the present invention modified PET (Polyethylene Terephthalate) composite material preparation method.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Fig. 1 is the process figure of embodiment of the present invention modified PET (Polyethylene Terephthalate) composite material preparation method; This preparation method comprises the steps: that a) selection is got the raw materials ready, and b) prepares polyoxyethylene glycol phosphoric acid ester 1000, c) prepares calcium carbonate nano particle, d) granulation injection moulding.
Embodiment 1
The concrete preparation method of the modified PET (Polyethylene Terephthalate) composite material that the present invention mentions is as follows:
A) selection is got the raw materials ready, and main raw material and the percentage composition proportioning thereof of matrix material are: polyethylene terephthalate 95%, calcium carbonate nano particle 5%; The main raw material of calcium carbonate nano particle and ratio of quality and the number of copies thereof are: 50 parts, calcium oxide: polyoxyethylene glycol phosphoric acid ester 1,000 1 parts; Main raw material and the percentage composition proportioning thereof of polyoxyethylene glycol phosphoric acid ester 1000 are: cetomacrogol 1000 88%: polyphosphoric acid 12%;
B) prepare polyoxyethylene glycol phosphoric acid ester 1000, process for preparation is as follows: first, gets quantitative cetomacrogol 1000 and polyphosphoric acid is placed in stirred vessel, mechanical stirring 30-32 minute; Then, mixture is warming up to 90 DEG C-92 DEG C under water bath condition, continues to stir 3.3-3.5 hour; Finally, reaction product in stirred vessel slow cooling to room temperature;
C) prepare calcium carbonate nano particle, preparation process is as follows: first, is added into by quantitative calcium oxide in the deionized water of 100 DEG C, uniform stirring, and compound concentration is the calcium hydroxide slurry of 7%; Then, process 12 hours are left standstill, with 200 mesh screen to remove impurity and macrobead; Then, in calcium hydroxide slurry, add quantitative polyoxyethylene glycol phosphoric acid ester after 1000, mechanical stirring 40-42 minutes, logical carbonic acid gas and nitrogen mixture, react at 18 DEG C to pH value be 7; Finally, filter, wash rear reactant, drying treatment 13 hours in the baking oven of 80 DEG C-82 DEG C; The mean diameter of obtained calcium carbonate nano particle is about 60nm;
D) granulation injection moulding, operating process is as follows: first, by percentage composition proportioning, polyethylene terephthalate and calcium carbonate nano particle is put into high-speed kneading machine, with the rotating speed uniform stirring 16 minutes of 800r/min; Then, use tablets press carry out granulation and dry, obtained particle diameter is about the pellet of 120-130um; Finally, pellet is sent into the hopper of injection moulding machine, controlling injection moulding machine each district temperature is: 210 DEG C, a district, 225 DEG C, 2nd district, 235 DEG C, 3rd district, 210 DEG C, 4th district, injection pressure is adjusted to 12-13MPa, carries out finished product injection process.
Embodiment 2
The concrete preparation method of the modified PET (Polyethylene Terephthalate) composite material that the present invention mentions is as follows:
A) selection is got the raw materials ready, and main raw material and the percentage composition proportioning thereof of matrix material are: polyethylene terephthalate 94%, calcium carbonate nano particle 6%; The main raw material of calcium carbonate nano particle and ratio of quality and the number of copies thereof are: 50 parts, calcium oxide: polyoxyethylene glycol phosphoric acid ester 1,000 1 parts; Main raw material and the percentage composition proportioning thereof of polyoxyethylene glycol phosphoric acid ester 1000 are: cetomacrogol 1000 90%: polyphosphoric acid 10%;
B) prepare polyoxyethylene glycol phosphoric acid ester 1000, process for preparation is as follows: first, gets quantitative cetomacrogol 1000 and polyphosphoric acid is placed in stirred vessel, mechanical stirring 32-34 minute; Then, mixture is warming up to 92 DEG C-94 DEG C under water bath condition, continues to stir 3-3.2 hour; Finally, reaction product in stirred vessel slow cooling to room temperature;
C) prepare calcium carbonate nano particle, preparation process is as follows: first, is added into by quantitative calcium oxide in the deionized water of 100 DEG C, uniform stirring, and compound concentration is the calcium hydroxide slurry of 7%; Then, process 12 hours are left standstill, with 200 mesh screen to remove impurity and macrobead; Then, in calcium hydroxide slurry, add quantitative polyoxyethylene glycol phosphoric acid ester after 1000, mechanical stirring 42-44 minutes, logical carbonic acid gas and nitrogen mixture, react at 18 DEG C to pH value be 7; Finally, filter, wash rear reactant, drying treatment 12 hours in the baking oven of 80 DEG C-82 DEG C; The mean diameter of obtained calcium carbonate nano particle is about 60nm;
D) granulation injection moulding, operating process is as follows: first, by percentage composition proportioning, polyethylene terephthalate and calcium carbonate nano particle is put into high-speed kneading machine, with the rotating speed uniform stirring 15 minutes of 820r/min; Then, use tablets press carry out granulation and dry, obtained particle diameter is about the pellet of 120-130um; Finally, pellet is sent into the hopper of injection moulding machine, controlling injection moulding machine each district temperature is: 210 DEG C, a district, 225 DEG C, 2nd district, 235 DEG C, 3rd district, 210 DEG C, 4th district, injection pressure is adjusted to 12-13MPa, carries out finished product injection process.
Present invention is disclosed a kind of preparation method of modified PET (Polyethylene Terephthalate) composite material, this preparation method's procedure arrangement is reasonable, adopt advanced nanotechnology and process for modifying surface, production technique is advanced and simple, preparation cost is moderate, obtained PET composite material has good barrier properties for gases, shock resistance and thermostability, is particularly suitable for making all kinds of use for electronic products PET sheet.
The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention; the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (5)
1. a preparation method for modified PET (Polyethylene Terephthalate) composite material, is characterized in that, this preparation method comprises the steps: that a) selection is got the raw materials ready, and b) prepares polyoxyethylene glycol phosphoric acid ester 1000, c) prepares calcium carbonate nano particle, d) granulation injection moulding.
2. the preparation method of modified PET (Polyethylene Terephthalate) composite material according to claim 1, it is characterized in that, in described step a), main raw material and the percentage composition proportioning thereof of matrix material are: polyethylene terephthalate 94%-95%, calcium carbonate nano particle 5%-6%; The main raw material of calcium carbonate nano particle and ratio of quality and the number of copies thereof are: 50 parts, calcium oxide: polyoxyethylene glycol phosphoric acid ester 1,000 1 parts; Main raw material and the percentage composition proportioning thereof of polyoxyethylene glycol phosphoric acid ester 1000 are: cetomacrogol 1000 88%-90%: polyphosphoric acid 10%-12%.
3. the preparation method of modified PET (Polyethylene Terephthalate) composite material according to claim 1, is characterized in that, in described step b), process for preparation is as follows: first, gets quantitative cetomacrogol 1000 and polyphosphoric acid is placed in stirred vessel, mechanical stirring 30-35 minute; Then, mixture is warming up to 90 DEG C-95 DEG C under water bath condition, continues to stir 3-3.5 hour; Finally, reaction product in stirred vessel slow cooling to room temperature.
4. the preparation method of modified PET (Polyethylene Terephthalate) composite material according to claim 1, is characterized in that, in described step c), preparation process is as follows: first, is added into by quantitative calcium oxide in the deionized water of 100 DEG C, and compound concentration is the calcium hydroxide slurry of 7%; Then, leave standstill process 12 hours, use 200 mesh screen; Then, in calcium hydroxide slurry, add quantitative polyoxyethylene glycol phosphoric acid ester after 1000, mechanical stirring 40-45 minutes, logical carbonic acid gas and nitrogen mixture, react at 18 DEG C to pH value be 7; Finally, filter, wash rear reactant, drying treatment 12-13 hour in the baking oven of 80 DEG C-85 DEG C.
5. the preparation method of modified PET (Polyethylene Terephthalate) composite material according to claim 1, it is characterized in that, in described step d), operating process is as follows: first, polyethylene terephthalate and calcium carbonate nano particle are put into high-speed kneading machine, with the rotating speed uniform stirring 15-18 minute of 800-820r/min; Then, tablets press is used to carry out granulation and dry; Finally, controlling injection moulding machine each district temperature is: 210 DEG C, a district, 225 DEG C, 2nd district, 235 DEG C, 3rd district, 210 DEG C, 4th district, injection pressure is adjusted to 12-13MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410569609.0A CN104292778A (en) | 2014-10-23 | 2014-10-23 | Preparation method of modified PET (polyethylene terephthalate) composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410569609.0A CN104292778A (en) | 2014-10-23 | 2014-10-23 | Preparation method of modified PET (polyethylene terephthalate) composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104292778A true CN104292778A (en) | 2015-01-21 |
Family
ID=52312746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410569609.0A Pending CN104292778A (en) | 2014-10-23 | 2014-10-23 | Preparation method of modified PET (polyethylene terephthalate) composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104292778A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107682766A (en) * | 2017-09-19 | 2018-02-09 | 合肥惠科金扬科技有限公司 | A kind of connection component of bluetooth earphone |
| CN114686014A (en) * | 2022-05-16 | 2022-07-01 | 秦惠丽 | Modified asphalt with good high-temperature cohesiveness and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101402722A (en) * | 2008-11-26 | 2009-04-08 | 吉林大学 | Method for preparing nano-calcium carbonate/polyester composite material |
-
2014
- 2014-10-23 CN CN201410569609.0A patent/CN104292778A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101402722A (en) * | 2008-11-26 | 2009-04-08 | 吉林大学 | Method for preparing nano-calcium carbonate/polyester composite material |
Non-Patent Citations (1)
| Title |
|---|
| 高微: "聚对苯二甲酸乙二醇酯/无机纳米复合材料的制备与研究", 《中国博士学位论文全文数据库 工程科技I辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107682766A (en) * | 2017-09-19 | 2018-02-09 | 合肥惠科金扬科技有限公司 | A kind of connection component of bluetooth earphone |
| CN114686014A (en) * | 2022-05-16 | 2022-07-01 | 秦惠丽 | Modified asphalt with good high-temperature cohesiveness and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103255503B (en) | A kind of preparation method of elastic polylactic acid fiber | |
| CN104650506B (en) | A kind of degradable environmentally-friendly plastic | |
| KR101965990B1 (en) | Composite polyester material, composite polyester fiber, processes for preparing the same and uses thereof | |
| CN105400071A (en) | Material for ultraviolet-proof plastic woven bag | |
| CN111607839A (en) | Method for preparing modified white graphene polyester composite fiber and fiber prepared by method | |
| CN107446327A (en) | A kind of complete biodegradable heat-proof polylactic acid expanded material and preparation method thereof | |
| CN102838782A (en) | Celluloid substituted material for table tennis and manufacturing method | |
| CN104261758A (en) | Anti-bending and anti-compression nano-building material and preparation method thereof | |
| CN105670255B (en) | A kind of preparation method of multi-functional 3D printing wire rod | |
| CN107857261A (en) | A kind of preparation method of nuclear graphite materials | |
| CN104292778A (en) | Preparation method of modified PET (polyethylene terephthalate) composite material | |
| CN101333086B (en) | Method for preparing alpha semi-hydrated gypsum pulp and plaster products by desulphurizing gypsum | |
| CN104292777A (en) | Preparation method of modified flame-retardant PET (polyethylene terephthalate) material | |
| CN111087773A (en) | PLA/PBAT/nano SiO2Method for preparing composite material | |
| CN108752886A (en) | A kind of nano microcrystalline bioavailable polymer intermingling material and preparation method thereof | |
| CN101862630A (en) | Preparation method of hydroxyapatite hollow microsphere in core/shell composite structure | |
| CN107236318A (en) | A kind of degradable bamboo is nanocomposite moulded | |
| CN103146163B (en) | Preparation method of polylactic acid nucleating agent | |
| CN102127293A (en) | Formula and production process of thermoplastic polyurethane hydraulic sealing ring material | |
| CN106750586A (en) | Good high resiliency plastic material of a kind of heat resistance and preparation method thereof | |
| CN103059342B (en) | Preparation method of modified polyethylene double-wall l corrugated pipe drying agent | |
| CN104927321A (en) | Preparation method of PHBV composite film for packaging material | |
| CN104327465A (en) | Modified PET (polyethylene terephthalate) composite material | |
| CN104845193A (en) | Flame-retardant PET/PTT/nano-TiO2 composite material | |
| CN108250713A (en) | A kind of notebook computer casing proprietary material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150121 |