CN1670078A - PET resin composition - Google Patents
PET resin composition Download PDFInfo
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- CN1670078A CN1670078A CN 200410017136 CN200410017136A CN1670078A CN 1670078 A CN1670078 A CN 1670078A CN 200410017136 CN200410017136 CN 200410017136 CN 200410017136 A CN200410017136 A CN 200410017136A CN 1670078 A CN1670078 A CN 1670078A
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- China
- Prior art keywords
- pet
- pet resin
- composition
- resin combination
- barium sulfate
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Abstract
Disclosed is a PET resin composition which comprises (by weight ratio) PET 30-40%, barium sulfate 55-65%, EVA 4-6%, the barium sulfate in the composition can be substituted by calcium carbonate, talcum powder and mica powder. The composition also includes anti-oxidizing agent and lubricating agent with the charging amount of 0.6-1.0%. The formed articles prepared from the composition has good tenacity.
Description
Technical field
The invention belongs to resin alloy and extrude processing technique field, particularly have the PET resin combination of quality weight, good toughness.
Background technology
Poly terephthalic acid diester (PET) has premium propertiess such as wear resistance, thermotolerance, electrical insulating property and pharmaceutical chemicals, is widely used in to make the various consumer's goods.But because the second-order transition temperature of PET, fusing point be than higher, under the model temperature that adopts usually, structure is inhomogeneous, and product surface is coarse, and low in glossiness, impelling strength are also bad, thereby have hindered the application of PET resin in some aspects.
The chip that uses in toy for children and public place of entertainment adopts resin regeneration moulding product usually, but because this resin quality is light, surface irregularity, toughness are relatively poor, can not gain universal acceptance and a large amount of the use.
In order to improve the performance of PET resin, people according to the actual requirements, by adding promotor, inorganic particulate fortifying fibre, or with other polymkeric substance such as EVA blending and modifyings such as (vinyl-vinyl acetate copolymers), make suitable moulding product.
Summary of the invention
The purpose of this invention is to provide a kind of adding mineral compound and other polymkeric substance, carry out mixing a kind of PET resin combination of extruding.
The objective of the invention is by adopting following technical scheme to realize:
A kind of PET resin combination comprises PET, barium sulfate (BaSO
4), EVA, the composition weight proportioning is: PET 30%～40%, barium sulfate 55%～65%, EVA 4%～6%,
Described PET resin combination, barium sulfate can use inorganicss such as lime carbonate, talcum powder, mica powder any substitute;
Also comprise antioxidant and lubricant in the described PET resin combination, addition is 0.6%～1.0%
Described PET resin combination, antioxidant are anti-oxidant machine 1010, molecular formula C
73H
108O
12And antioxidant 168, molecular formula C
42H
63O
39, addition is 0.3%～0.5%;
Described PET resin combination, lubricant are Zinic stearas or calcium stearate, and addition is 0.3%～0.5%.
The above-mentioned composition proportioning after twin screw machinery is mixing, is carried out blend graft, then extruding pelletization, injection moulding machine-shaping product then.
The adding of inorganic powder among the present invention helps rheological property and changes, barium sulfate particularly, and can be under same shearing rate used shear-stress is little.Simultaneously, adding inorganic material makes the PET quality thick and heavy; EVA elastic material and PET blend graft help increasing the toughness of PET; Being added with of lubricant and antioxidant is beneficial to moulding product any surface finish.
The moulding product of the composition of the present invention preparation have toughness preferably, the use of moulding product surface capable of repeatedly, and quality is thick and heavy, and wear resistance is good, is specially adapted to have the chip in the public place of entertainment of particular requirement.
Embodiment
Embodiment 1
Regenerative PET pellet, barium sulfate (BaSO
4) powder, EVA powder mix, and stirs, and adds antioxidant 1010 and Zinic stearas again, at φ 60mm, mechanical blending in the duplex machine of long 1.5～2.0m, screw rod extruding pelletization.Pellet makes the moulding product through injection moulding machine, is 40mm as diameter phi, thickness 3.3mm, and weight is the amusement chip of 8.0 grams.
Proportional quantity sees Table 1:
Table 1:
Material PET barium sulfate EVA powder antioxidant 1010 Zinic stearas
Proportional quantity % 32.4 62 5.0 0.3 0.3
Embodiment 2
PET pellet 30%, lime carbonate (CaCO
3) powder 65%, EVA powder 4.0%, antioxidant 1010 and Zinic stearas each 0.5%, mixing extruding pelletization in dual-screw-stem machine, the injection moulding product, all the other are with embodiment 1.
Embodiment 3
PET pellet 40%, mica powder 55%, EVA powder 5%, antioxidant 168 and Zinic stearas respectively add 0.5%, mixing extruding pelletization in dual-screw-stem machine, the injection moulding product, all the other are with embodiment 1.
Embodiment 4
PET pellet 35%, talcum powder 60%, EVA powder 4.4%, antioxidant 168 and Zinic stearas respectively add 0.3%, mixing extruding pelletization in dual-screw-stem machine, the injection moulding product, all the other are with embodiment 1.
Claims (5)
1, a kind of PET resin combination comprises PET, barium sulfate (BaSO
4), EVA, it is characterized in that the composition weight proportioning is: PET 30%～40%, barium sulfate 55%～65%, EVA 4%～6%.
2, PET resin combination according to claim 1 is characterized in that barium sulfate can use a kind of of lime carbonate, talcum powder and mica powder to substitute in the composition.
3, PET resin combination according to claim 1 is characterized in that also comprising in the composition antioxidant and lubricant, and add-on is 0.6%～1.0%.
4, PET resin combination according to claim 2 is characterized in that described antioxidant is antioxidant 1010 or antioxidant 168, and addition is 0.3%～0.5%.
5, PET resin combination according to claim 2 is characterized in that lubricant is Zinic stearas or calcium stearate, and addition is 0.3%～0.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410017136 CN1670078A (en) | 2004-03-19 | 2004-03-19 | PET resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410017136 CN1670078A (en) | 2004-03-19 | 2004-03-19 | PET resin composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1670078A true CN1670078A (en) | 2005-09-21 |
Family
ID=35041531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410017136 Pending CN1670078A (en) | 2004-03-19 | 2004-03-19 | PET resin composition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1670078A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146198A (en) * | 2011-01-11 | 2011-08-10 | 深圳市科聚新材料有限公司 | Polybutylece terephthalate (PBT) filler masterbatch and preparation method thereof |
| WO2011104391A1 (en) * | 2010-02-24 | 2011-09-01 | La Seda De Barcelona, S.A. | Novel polyethylene terephthalate resin |
| CN101875757B (en) * | 2009-04-30 | 2012-05-30 | 中国石油天然气股份有限公司 | Preparation method of polyethylene terephthalate/polyethylene terephthalate-1, 4-cyclohexanedimethanol ester alloy |
| CN107118523A (en) * | 2017-06-02 | 2017-09-01 | 合肥同佑电子科技有限公司 | A kind of computer screen diaphragm and preparation method |
| CN108976728A (en) * | 2018-08-14 | 2018-12-11 | 含山县胜发塑料制品有限公司 | A kind of preparation method of super acids Flame-retardant PET masterbatch resin |
-
2004
- 2004-03-19 CN CN 200410017136 patent/CN1670078A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101875757B (en) * | 2009-04-30 | 2012-05-30 | 中国石油天然气股份有限公司 | Preparation method of polyethylene terephthalate/polyethylene terephthalate-1, 4-cyclohexanedimethanol ester alloy |
| WO2011104391A1 (en) * | 2010-02-24 | 2011-09-01 | La Seda De Barcelona, S.A. | Novel polyethylene terephthalate resin |
| CN102146198A (en) * | 2011-01-11 | 2011-08-10 | 深圳市科聚新材料有限公司 | Polybutylece terephthalate (PBT) filler masterbatch and preparation method thereof |
| CN102146198B (en) * | 2011-01-11 | 2012-06-27 | 深圳市科聚新材料有限公司 | Polybutylece terephthalate (PBT) filler masterbatch and preparation method thereof |
| CN107118523A (en) * | 2017-06-02 | 2017-09-01 | 合肥同佑电子科技有限公司 | A kind of computer screen diaphragm and preparation method |
| CN108976728A (en) * | 2018-08-14 | 2018-12-11 | 含山县胜发塑料制品有限公司 | A kind of preparation method of super acids Flame-retardant PET masterbatch resin |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |