CN110862878A - Cleaning agent for cleaning recovered PET (polyethylene terephthalate) chips and using method thereof - Google Patents
Cleaning agent for cleaning recovered PET (polyethylene terephthalate) chips and using method thereof Download PDFInfo
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- CN110862878A CN110862878A CN201911002859.5A CN201911002859A CN110862878A CN 110862878 A CN110862878 A CN 110862878A CN 201911002859 A CN201911002859 A CN 201911002859A CN 110862878 A CN110862878 A CN 110862878A
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/83—Mixtures of non-ionic with anionic compounds
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/044—Hydroxides or bases
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/046—Salts
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/08—Silicates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/10—Carbonates ; Bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2003—Alcohols; Phenols
- C11D3/2006—Monohydric alcohols
- C11D3/2017—Monohydric alcohols branched
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2075—Carboxylic acids-salts thereof
- C11D3/2079—Monocarboxylic acids-salts thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
- C11D1/146—Sulfuric acid esters
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/662—Carbohydrates or derivatives
Abstract
The invention discloses a cleaning agent for cleaning and recovering PET fragments. The cleaning agent for cleaning and recovering the PET fragments is composed of the following raw materials in parts by weight: 10-15 parts of alkyl glycoside, 8-12 parts of sodium hydroxide, 3-7 parts of isopropanol, 20-30 parts of anionic surfactant, 10-15 parts of alkaline builder and 5-10 parts of corrosion inhibitor. The invention discloses a using method of a cleaning agent for cleaning and recovering PET fragments. The cleaning agent for cleaning the recovered PET chips and the using method thereof provided by the invention can efficiently remove adhesives and oil stains on the surfaces of the PET chips, reduce the temperature and time during cleaning, ensure the intrinsic viscosity of the recovered and granulated PET chips, and improve the production efficiency.
Description
Technical Field
The invention relates to the technical field of resource recycling, in particular to a cleaning agent for cleaning recovered PET fragments and a using method thereof.
Background
Polyethylene terephthalate is prepared by polycondensation of terephthalic acid and oxalic acid, and is generally called polyester or PET, in recent years, PET is largely used for manufacturing packaging bottles, and environmental pollution caused by disposable PET packaging bottles is becoming serious, and the attention of the PET has been attracted worldwide. The recovered waste PET bottles not only can reduce environmental pollution, but also can save resources. The old and useless PET bottle piece of recovery is washd earlier before using, washs the oil stain and the gluing agent on PET bottle piece surface, and current cleaner cleaning ability is relatively weak, and the scavenging period is longer, leads to PET bottle piece to need the scavenging period overlength in the saucepan, and the intrinsic viscosity of granulation is retrieved to the PET piece reduces.
Disclosure of Invention
In order to solve the technical problem that the cleaning agent for cleaning and recovering the PET fragments is easy to deform under the action of environmental stress to cause misoperation, the invention provides the cleaning agent for cleaning and recovering the PET fragments and the use method thereof, which can efficiently remove adhesives and oil stains on the surfaces of the PET fragments, reduce the temperature and time during cleaning, ensure the intrinsic viscosity of PET fragment recovery granulation, and improve the production efficiency.
The invention provides a cleaning agent for cleaning and recovering PET fragments, which consists of the following raw materials in parts by weight: 10-15 parts of alkyl glycoside, 8-12 parts of sodium hydroxide, 3-7 parts of isopropanol, 20-30 parts of anionic surfactant, 10-15 parts of alkaline builder and 5-10 parts of corrosion inhibitor.
In a preferred embodiment of the detergent for cleaning recycled PET scrap provided by the present invention, the anionic surfactant is sodium lauryl sulfate or sodium alkyl benzene sulfonate.
In a preferred embodiment of the cleaning agent for cleaning recycled PET chips provided by the present invention, the alkali builder is sodium carbonate or sodium silicate.
In a preferred embodiment of the cleaning agent for cleaning recycled PET chips provided by the invention, the corrosion inhibitor is sodium benzoate or sodium borate.
The invention also provides a using method of the cleaning agent for cleaning the recovered PET chips, which is characterized by comprising the following steps:
firstly, respectively taking alkyl glycoside, sodium hydroxide, isopropanol, an anionic surfactant, an alkaline builder and a corrosion inhibitor according to the weight parts, stirring the alkyl glycoside, the sodium hydroxide, the isopropanol, the anionic surfactant, the alkaline builder and the corrosion inhibitor at a high speed, and mixing for 3-5 minutes to obtain a cleaning agent for later use;
taking 20-30 parts by weight of PET chips to be treated, 70-80 parts by weight of water and 10-15 parts by weight of a cleaning agent respectively, putting the PET chips to be treated into the water, heating to 40-50 ℃, adding the cleaning agent, and treating for 20-30 minutes;
and step three, washing the PET chips to be treated after the treatment in the step two with water, and drying to finish the cleaning of the PET chips.
Compared with the prior art, the cleaning agent for cleaning the recovered PET fragments and the use method thereof provided by the invention have the following beneficial effects: the cleaning agent can efficiently remove adhesives and oil stains on the surfaces of PET chips, reduces the temperature and time for cleaning, ensures the intrinsic viscosity of PET chip recycling granulation, and improves the production efficiency.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A cleaning agent for cleaning and recovering PET fragments is composed of the following raw materials in parts by weight: 10 parts of alkyl glycoside, 8 parts of sodium hydroxide, 3 parts of isopropanol, 20 parts of anionic surfactant, 10 parts of alkaline builder and 5 parts of corrosion inhibitor.
The anionic surfactant is sodium dodecyl sulfate.
The alkaline builder is sodium carbonate.
The corrosion inhibitor is sodium benzoate.
A use method of a cleaning agent for cleaning recycled PET chips comprises the following steps:
s1, respectively taking alkyl glycoside, sodium hydroxide, isopropanol, an anionic surfactant, an alkaline builder and a corrosion inhibitor according to the weight parts, stirring the alkyl glycoside, the sodium hydroxide, the isopropanol, the anionic surfactant, the alkaline builder and the corrosion inhibitor at a high speed, and mixing for 3 minutes to obtain a cleaning agent for later use;
s2, respectively taking 20 parts by weight of PET chips to be treated, 70 parts by weight of water and 10 parts by weight of cleaning agent, putting the PET chips to be treated into the water, heating to 40 ℃, adding the cleaning agent, and treating for 20 minutes;
and S3, washing the PET chips to be processed after the processing of S2 with water, and drying to finish the cleaning of the PET chips.
Example 2
A cleaning agent for cleaning and recovering PET fragments is composed of the following raw materials in parts by weight: 12 parts of alkyl glycoside, 10 parts of sodium hydroxide, 5 parts of isopropanol, 25 parts of anionic surfactant, 13 parts of alkaline builder and 8 parts of corrosion inhibitor.
The anionic surfactant is sodium alkyl benzene sulfonate.
The alkaline builder is sodium silicate.
The corrosion inhibitor is sodium borate.
A use method of a cleaning agent for cleaning recycled PET chips comprises the following steps:
s1, respectively taking alkyl glycoside, sodium hydroxide, isopropanol, an anionic surfactant, an alkaline builder and a corrosion inhibitor according to the weight parts, stirring the alkyl glycoside, the sodium hydroxide, the isopropanol, the anionic surfactant, the alkaline builder and the corrosion inhibitor at a high speed, and mixing for 4 minutes to obtain a cleaning agent for later use;
s2, respectively taking 25 parts by weight of PET chips to be treated, 75 parts by weight of water and 12 parts by weight of cleaning agent, putting the PET chips to be treated into the water, heating to 45 ℃, adding the cleaning agent, and treating for 25 minutes;
and S3, washing the PET chips to be processed after the processing of S2 with water, and drying to finish the cleaning of the PET chips.
Example 3
A cleaning agent for cleaning and recovering PET fragments is composed of the following raw materials in parts by weight: 15 parts of alkyl glycoside, 12 parts of sodium hydroxide, 7 parts of isopropanol, 30 parts of anionic surfactant, 15 parts of alkaline builder and 10 parts of corrosion inhibitor.
The anionic surfactant is sodium dodecyl sulfate.
The alkaline builder is sodium silicate.
The corrosion inhibitor is sodium benzoate.
A use method of a cleaning agent for cleaning recycled PET chips comprises the following steps:
s1, respectively taking alkyl glycoside, sodium hydroxide, isopropanol, an anionic surfactant, an alkaline builder and a corrosion inhibitor according to the weight parts, stirring the alkyl glycoside, the sodium hydroxide, the isopropanol, the anionic surfactant, the alkaline builder and the corrosion inhibitor at a high speed, and mixing for 5 minutes to obtain a cleaning agent for later use;
s2, respectively taking 30 parts by weight of PET chips to be treated, 80 parts by weight of water and 15 parts by weight of cleaning agent, putting the PET chips to be treated into the water, heating to 50 ℃, adding the cleaning agent, and treating for 30 minutes;
and S3, washing the PET chips to be processed after the processing of S2 with water, and drying to finish the cleaning of the PET chips.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. The cleaning agent for cleaning and recovering PET chips is characterized by comprising the following raw materials in parts by weight: 10-15 parts of alkyl glycoside, 8-12 parts of sodium hydroxide, 3-7 parts of isopropanol, 20-30 parts of anionic surfactant, 10-15 parts of alkaline builder and 5-10 parts of corrosion inhibitor.
2. The cleaning agent for cleaning recycled PET scrap according to claim 1, wherein the anionic surfactant is sodium lauryl sulfate or sodium alkylbenzenesulfonate.
3. The cleaning agent for cleaning recycled PET chips as claimed in claim 1, wherein the alkali builder is sodium carbonate or sodium silicate.
4. The cleaning agent for cleaning recycled PET scraps as claimed in claim 1, wherein the corrosion inhibitor is sodium benzoate or sodium borate.
5. A use method of the cleaning agent for cleaning the recycled PET chips, which is based on any one of claims 1 to 4, is characterized by comprising the following steps:
firstly, respectively taking alkyl glycoside, sodium hydroxide, isopropanol, an anionic surfactant, an alkaline builder and a corrosion inhibitor according to the weight parts, stirring the alkyl glycoside, the sodium hydroxide, the isopropanol, the anionic surfactant, the alkaline builder and the corrosion inhibitor at a high speed, and mixing for 3-5 minutes to obtain a cleaning agent for later use;
taking 20-30 parts by weight of PET chips to be treated, 70-80 parts by weight of water and 10-15 parts by weight of a cleaning agent respectively, putting the PET chips to be treated into the water, heating to 40-50 ℃, adding the cleaning agent, and treating for 20-30 minutes;
and step three, washing the PET chips to be treated after the treatment in the step two with water, and drying to finish the cleaning of the PET chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911002859.5A CN110862878A (en) | 2019-10-22 | 2019-10-22 | Cleaning agent for cleaning recovered PET (polyethylene terephthalate) chips and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911002859.5A CN110862878A (en) | 2019-10-22 | 2019-10-22 | Cleaning agent for cleaning recovered PET (polyethylene terephthalate) chips and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110862878A true CN110862878A (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911002859.5A Pending CN110862878A (en) | 2019-10-22 | 2019-10-22 | Cleaning agent for cleaning recovered PET (polyethylene terephthalate) chips and using method thereof |
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| CN (1) | CN110862878A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113416613A (en) * | 2021-06-18 | 2021-09-21 | 江苏斯尔邦石化有限公司 | Recovered polyester PET bottle flake cleaning agent and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1242039A (en) * | 1996-11-15 | 2000-01-19 | 埃科莱布有限公司 | Cleaning method for polyethylene terephtalate containers |
| CN103923770A (en) * | 2014-04-15 | 2014-07-16 | 天津市环境保护科学研究院 | Plastic adhesion layer cleaning agent as well as plastic cleaning process and equipment adopting same |
| CN108624415A (en) * | 2018-07-03 | 2018-10-09 | 中昊(大连)化工研究设计院有限公司 | A kind of cleaning agent for clean and reuse PET bottle piece |
| CN109049391A (en) * | 2018-08-09 | 2018-12-21 | 福建中科职业健康评价有限公司 | A kind of method of waste PET bottle chips recycling and reusing |
-
2019
- 2019-10-22 CN CN201911002859.5A patent/CN110862878A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1242039A (en) * | 1996-11-15 | 2000-01-19 | 埃科莱布有限公司 | Cleaning method for polyethylene terephtalate containers |
| CN103923770A (en) * | 2014-04-15 | 2014-07-16 | 天津市环境保护科学研究院 | Plastic adhesion layer cleaning agent as well as plastic cleaning process and equipment adopting same |
| CN108624415A (en) * | 2018-07-03 | 2018-10-09 | 中昊(大连)化工研究设计院有限公司 | A kind of cleaning agent for clean and reuse PET bottle piece |
| CN109049391A (en) * | 2018-08-09 | 2018-12-21 | 福建中科职业健康评价有限公司 | A kind of method of waste PET bottle chips recycling and reusing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113416613A (en) * | 2021-06-18 | 2021-09-21 | 江苏斯尔邦石化有限公司 | Recovered polyester PET bottle flake cleaning agent and preparation method thereof |
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Application publication date: 20200306 |
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