CN101255269A - Toning method for PET bottle-grade polyester chip - Google Patents
Toning method for PET bottle-grade polyester chip Download PDFInfo
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- CN101255269A CN101255269A CNA2008100883786A CN200810088378A CN101255269A CN 101255269 A CN101255269 A CN 101255269A CN A2008100883786 A CNA2008100883786 A CN A2008100883786A CN 200810088378 A CN200810088378 A CN 200810088378A CN 101255269 A CN101255269 A CN 101255269A
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- ethylene glycol
- pet bottle
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- grade polyester
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Abstract
The invention discloses a toning method of PET bottle class polyester chip. During preparing the PET bottle class polyester chip, the ethylene glycol as carrier is added into blending jar and then the oil is added into ethylene glycol and the mixture is uniformly blended and then conveyed to a supplying jar to store, and the mixture is continuously added to the production of bottle class polyester by tube, so that the purple agent content of the product is 1-5ppm, the purple agent content is 1-5ppm. The technological process is simple and oil blending temperature is low, suitable for reducing the energy consumption, and the cost is saves, therefore the brightness of the product is good and the appearance color is more uniform, beautiful and stable.
Description
Technical field
The present invention relates to a kind of preparation method of Bottle grade Polyester Chips, be specifically related to the shading process in a kind of preparation process of PET Bottle grade Polyester Chips.
Background technology
The PET Bottle grade Polyester Chips, because of it has that acetaldehyde is low, thermotolerance and Heat stability is good, characteristics such as withstand voltage, acid and alkali-resistance are being widely used aspect the food-drink packings such as mineral water, practical oil, fruit juice, tea, carbonated drink in recent years.And light because of its density, intensity is high, nontoxicity etc. is a series of replaces thermoplastic materials such as PP, PEP, PVC as good characteristic in part non-food product field.
At present preparation PET Bottle grade Polyester Chips is to be raw material with pure terephthalic acid (TPA), a terephthalic acid (IPA) and ethylene glycol (EG), produce polyethylene terephthalate (PET) resin (intermediates) by the direct esterification continuous polycondensation, the further tackify of (PET) resin is reacted to the required viscosity of Bottle grade Polyester Chips and promptly obtains finished product.Between esterification, precondensation, need to add multiple additives in the preparation process, to regulate the capability and performance of product, toning is one of them important step, the shading process that adopts is to add Cobaltous diacetate and ethylene glycol is configured to solution in the toning agent blend tank, add toner (purple powder and blue powder) therein, 100-130 ℃ of allotment temperature, being transported to supplying tank after mixing stores, regulate concentration according to the form and aspect that product is required, from pipeline, add to continuously in bottle sheet production of polyester, make and contain a certain amount of purple agent and blue light agent in the product.Bigger with the fluctuation of the form and aspect of this shading process products obtained therefrom, the higher and acetic acid of yellowness index contains metal ingredient in buying, the easy burnt hair of product, and used in amounts is wanted strict control and the stable of production process is affected.
Purple oil (name of product: HOLCO SP Holcopet violet by the production of HCA He Lan characteristic color painting (Shanghai) Co., Ltd., product code: 263-10-10074), blue oil (name of product: HOLCO SP Holcopet blue, product code: 263-10-10075) be organic dye, its main application: 1, the toning in the wrapping material course of processing (as the toner that adds in the hot-filling bottle course of processing, green tea drink bottle painted etc.);
2, coating toning etc.
Summary of the invention
The objective of the invention is to provide a kind of shading process of PET Bottle grade Polyester Chips at the deficiencies in the prior art.It improves the quality of products and appearance color effectively by reducing the metal ingredient that contains in the existing toning process.
The technical solution adopted in the present invention is: in the preparation process of PET Bottle grade Polyester Chips, in blend tank, add ethylene glycol, with ethylene glycol as carrier, under 60-80 ℃ temperature look oil is added in the ethylene glycol, mix, concentration is 0.02 ‰-2 ‰, being transported to supplying tank then stores, and from pipeline, add to continuously in bottle sheet production of polyester, making the purple agent content 1-5PPm in the product, blue light agent content is 0.1-3PPm.Described look oil is meant purple oil and the blue oil of being produced by HCA He Lan characteristic color painting (Shanghai) Co., Ltd..
The shading process technological process of PET Bottle grade Polyester Chips provided by the present invention is simple, and look oil allotment temperature is low, helps reducing energy consumption, saves cost, the product good luster of being produced, and appearance color is than using the more even attractive in appearance of toner, and is stable.
Embodiment
Below the invention will be further described.
The present invention adopts look oil to mix colours, and adopts acetic acid to buy with toner in the traditional production PET Bottle grade Polyester Chips technological process to mix colours, and the two is compared, and at the everyways such as quality of technology, cost, product bigger difference is arranged.
(index in the following data: L, b, a are used to reflect that three index: L of the form and aspect of polyester slice represent greyish white degree in the experimental data comparative analysis; B represents blue yellow degree; A represents red green degree.)
1, first group of data:
I) producing load (600 tons/day), to use same concentration toner to carry out the toning situation down as follows:
Ii) produce to use with the centinormal 1 look oil of above toner under the load (600 tons/day) and mix colours, the result goes into down:
Two, second group of data: different centinormal 1 toners are as follows to form and aspect (identical production is loaded following 600 tons/day) contrast of product with look oil:
By above experimental data contrast, can draw to draw a conclusion: 1. in the identical production same interpolation concentration of loading, exist unstable in the toner interpolation process, use the product of look oil more stable than the product of toner, and appearance luster (L, b, a) than the good luster of the product of toner, more about 0.6 unit that fluctuates of more about 2 units that fluctuate of about 1 unit of L value undulating quantity, b, a; 2. use the colored appearance color ratio of the product of look oil to use the more even attractive in appearance of toner, stable.
Embodiment one,
In the preparation process of PET Bottle grade Polyester Chips, in blend tank, add ethylene glycol, with ethylene glycol as carrier, under 65 ℃ temperature, respectively purple oil and blue oil are added in the ethylene glycol, mix, concentration is respectively 0.03 ‰, 0.08 ‰, is transported to supplying tank then and stores, and add to from pipeline continuously in bottle sheet production of polyester.
Embodiment two,
In the preparation process of PET Bottle grade Polyester Chips, in blend tank, add ethylene glycol, with ethylene glycol as carrier, under 70 ℃ temperature, respectively purple oil and blue oil are added in the ethylene glycol, mix, concentration is respectively 0.08 ‰, 0.05 ‰, is transported to supplying tank then and stores, and add to from pipeline continuously in bottle sheet production of polyester.
Embodiment three,
In the preparation process of PET Bottle grade Polyester Chips, in blend tank, add ethylene glycol, with ethylene glycol as carrier, under 80 ℃ temperature, respectively purple oil and blue oil are added in the ethylene glycol, mix, concentration is respectively 1.3 ‰, 1.5 ‰, is transported to supplying tank then and stores, and add to from pipeline continuously in bottle sheet production of polyester.
Claims (1)
1, a kind of shading process of PET Bottle grade Polyester Chips, it is characterized in that: in the preparation process of PET Bottle grade Polyester Chips, in blend tank, add ethylene glycol, as carrier, under 60-80 ℃ temperature, look oil is added in the ethylene glycol with ethylene glycol, mix, concentration is 0.02 ‰-2 ‰, is transported to supplying tank then and stores, and add to from pipeline continuously in bottle sheet production of polyester, make the purple agent content 1-5PPm in the product, blue light agent content is 0.1-3PPm; Described look oil is meant purple oil and the blue oil of being produced by HCA He Lan characteristic color painting (Shanghai) Co., Ltd..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100883786A CN101255269B (en) | 2008-04-01 | 2008-04-01 | Toning method for PET bottle-grade polyester chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100883786A CN101255269B (en) | 2008-04-01 | 2008-04-01 | Toning method for PET bottle-grade polyester chip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101255269A true CN101255269A (en) | 2008-09-03 |
| CN101255269B CN101255269B (en) | 2011-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100883786A Expired - Fee Related CN101255269B (en) | 2008-04-01 | 2008-04-01 | Toning method for PET bottle-grade polyester chip |
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| CN (1) | CN101255269B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101831150A (en) * | 2010-03-15 | 2010-09-15 | 中粮北海粮油工业（天津）有限公司 | Polyethylene glycol terephthalate material added with ultraviolet-resistant aid |
| CN105199344A (en) * | 2015-11-06 | 2015-12-30 | 加圣（上海）新材料有限公司 | Polyester colored slice, non-ferrous bottle processed by using polyester non-ferrous slice as raw material and preparation method of polyester non-ferrous slice |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2098053U (en) * | 1991-03-05 | 1992-03-04 | 哈尔滨飞机制造公司 | Negative made positive no-silver salt film |
| CN1424342A (en) * | 2001-12-12 | 2003-06-18 | 北京利特福化工技术开发有限公司 | Pigment particles for terylene |
| CN100482738C (en) * | 2006-07-04 | 2009-04-29 | 薛纪良 | High heat absorbing type PET bottle grade polyester sheet and its preparation method |
-
2008
- 2008-04-01 CN CN2008100883786A patent/CN101255269B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101831150A (en) * | 2010-03-15 | 2010-09-15 | 中粮北海粮油工业（天津）有限公司 | Polyethylene glycol terephthalate material added with ultraviolet-resistant aid |
| CN105199344A (en) * | 2015-11-06 | 2015-12-30 | 加圣（上海）新材料有限公司 | Polyester colored slice, non-ferrous bottle processed by using polyester non-ferrous slice as raw material and preparation method of polyester non-ferrous slice |
| CN105199344B (en) * | 2015-11-06 | 2017-01-18 | 加圣（上海）新材料有限公司 | Polyester colored slice, non-ferrous bottle processed by using polyester non-ferrous slice as raw material and preparation method of polyester non-ferrous slice |
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| Publication number | Publication date |
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| CN101255269B (en) | 2011-01-26 |
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Granted publication date: 20110126 Termination date: 20140401 |