CN106700715A - Cleaning agent for removing paint on plastic surface and preparation method thereof - Google Patents
Cleaning agent for removing paint on plastic surface and preparation method thereof Download PDFInfo
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- CN106700715A CN106700715A CN201611032433.0A CN201611032433A CN106700715A CN 106700715 A CN106700715 A CN 106700715A CN 201611032433 A CN201611032433 A CN 201611032433A CN 106700715 A CN106700715 A CN 106700715A
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- cleaning agent
- parts
- agent
- frosting
- removal
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D9/00—Chemical paint or ink removers
- C09D9/04—Chemical paint or ink removers with surface-active agents
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Detergent Compositions (AREA)
Abstract
The invention discloses a cleaning agent for removing paint on a plastic surface. The cleaning agent for removing the paint on the plastic surface is composed of the following components in parts by weight: 20-40 parts of a cleanser, 10-30 parts of auxiliaries, 5-15 parts of citric acid, 1-5 parts of a surfactant, 1-3 parts of a dispersing agent, 1-3 parts of an enhancer and 30-60 parts of water. The invention also discloses a preparation method of the cleaning agent for removing the paint on the plastic surface. The cleaning agent disclosed by the invention has the advantages of simple and easy-to-use technological formula, safety, environmental protection, low cost, no color, no taste, low volatility, good paint removing effect as well as no discoloring, no yellowing, no softening and no embrittlement after the paint on the plastic surface is removed, so that the cleaning agent disclosed by the invention has good application prospects.
Description
Technical field
The present invention relates to waste plastics recovery recycle field, more particularly to it is a kind of remove frosting paint cleaning agent and
Its preparation method.
Background technology
After technics of reclaim of plastic waste, a large amount of paint are adhered to above, if do not cleaned effectively to these paint, directly made
Grain not only causes that regeneration particle class is rudimentary, but also easily causes ageing of plastics, recyclability reduction, the product appearance being made
Not attractive in appearance enough, service life is short, of poor quality.Current waste plastics recovery reutilization technology is ripe not enough, and substantial amounts of waste plastics is also
For that can re-use again, without the unified cleaning agent specifically designed for waste plastics surface paint, and in the market de-
Paint agent is not suitable for the cleaning of waste plastics mostly, and these paint strippers to the injury of waste plastics matrix than larger, it is dirty to environment
Dye is also than larger.
The patent of invention of Application No. CN201210191842.2 discloses a kind of depainting cleaning method and its depainting cleaning
Agent, the depainting cleaning agent of foregoing invention includes by weight percentage：The alcohol ethoxylates of 0.1-0.5%, 0.3-
2% isomery alkyl alcohol ether, the alkyl methyl ammonium chloride of 0.3-2%, the alkyl polysaccharide of 0.2-1% is sweet, the fatty alcohol of 0.2-1%
APEO, above-mentioned depainting cleaning agent, its several raw material cooperate, and have complementary advantages, and plastic cleaning agent is presented well
Infiltration and cleansing power, can not only have to TPO variety classeses coating it is very strong divest ability, and colorless and odorless, to human body
Non-hazardous, can be recycled, with service life more long.But plastics easily turn to be yellow, become fragile after above-mentioned depainting cleaning agent depainting, shadow
Its secondary utilization is rung, without being widely applied prospect.
The content of the invention
The present invention provides a kind of technical recipe easy to use, safety and environmental protection, low cost, and colorless and odorless, volatility is low, depainting
Effect is good, plastics nondiscolouring after depainting, it is non-yellowing, do not soften, the cleaning agent and its system of the removal frosting paint of embrittlement
Preparation Method.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is as follows：It is a kind of to remove what frosting was painted
Cleaning agent, is made up of following component：Cleaning agent, auxiliary agent, citric acid, surfactant, dispersant, reinforcing agent, water；
Further, it is made up of each component of following parts by weight：Cleaning agent 20-40 parts, auxiliary agent 10-30 parts, citric acid
5-15 parts, surfactant 1-5 parts, dispersant 1-3 parts, reinforcing agent 1-3 parts, water 30-60 parts；
Further, cleaning agent position sodium ethylene diamine tetracetate；
Further, the auxiliary agent is modified zeolite, and preparation method is as follows：Zeolite is ground to the powder of 150-300 mesh,
Add organic alkali agents to be neutralized after being soaked 3-6 hours at 50-80 DEG C using organic acidity modifying agent, be neutralized to pH for 3-
6；The organic acidity modifying agent is one or more in malic acid, oxalic acid, lactic acid, oxalic acid；The alkaline reagent is three second
One or more in amine, pyridine；
Further, surfactant position nonionic surfactant；
Further, the nonionic surfactant is AEO；
Further, the dispersant is dodecyl sodium sulfate；
Further, the reinforcing agent is the mixture of polystyrene and thiocarbamide.
The invention also discloses the preparation method of the cleaning agent of above-mentioned removal frosting paint：
(1) surfactant, dispersant, reinforcing agent are mixed, adds water, be sufficiently stirred for；
(2) material after step (1) is sufficiently stirred for is mixed and stirred for dispersion with cleaning agent, auxiliary agent, citric acid, is heated to
50-90 DEG C, 0.5-3 hours is incubated, speed of agitator is 100-1000r/min, obtains product cleaning agent.
Further, speed of agitator is 200-300r/min.
Beneficial effects of the present invention：
Present invention process is formulated easy to use, safety and environmental protection, low cost, and colorless and odorless, volatility is low, and paint removing effect is good,
Plastics nondiscolouring after depainting, it is non-yellowing, do not soften, not embrittlement, have a good application prospect.By adding additive modification zeolite
So that paint removing effect is significantly improved, using polystyrene and thiocarbamide as reinforcing agent so that plastics nondiscolouring after depainting, do not send out
It is yellow, do not soften, not embrittlement, effect is better than existing plastics paint stripper on the market.
Specific embodiment
With reference to embodiment, the invention will be further described.Embodiment is intended to carry out citing description to the present invention, and
It is non-to limit the invention in any form.
Embodiment 1：
It is made up of each component of following parts by weight：20 parts of sodium ethylene diamine tetracetate, 10 parts of modified zeolite, 5 parts of citric acid,
1 part of AEO, 1 part of dodecyl sodium sulfate, polystyrene and thiocarbamide weight compare 1:11 part of mixture, water 50
Part.
The preparation method of modified zeolite is as follows：Zeolite is ground to the powder of 300 mesh, it is small in 50 DEG C of immersions 6 using lactic acid
When after add triethylamine to be neutralized, be neutralized to pH for 6.
Its preparation process step of the cleaning agent of the removal frosting paint is as follows：
(1) dodecyl sodium sulfate, AEO, polystyrene and thiocarbamide weight are compared 1:1 mixture
Mixing, adds water, is sufficiently stirred for；
(2) material after step (1) is sufficiently stirred for mixes and stirs with sodium ethylene diamine tetracetate, modified zeolite, citric acid
Dispersion is mixed, 50 DEG C are heated to, 3 hours are incubated, speed of agitator is 100r/min, obtain the cleaning of product removal frosting paint
Agent.
Embodiment 2：
It is made up of each component of following parts by weight：40 parts of sodium ethylene diamine tetracetate, 30 parts of modified zeolite, citric acid 15
Part, 5 parts of AEO, 3 parts of dodecyl sodium sulfate, polystyrene and thiocarbamide weight compare 1:13 parts of mixture,
50 parts of water.
The preparation method of modified zeolite is as follows：Zeolite is ground to the powder of 300 mesh, it is small in 50 DEG C of immersions 6 using lactic acid
When after add triethylamine to be neutralized, be neutralized to pH for 6.
Comparative example 1：
It is made up of each component of following parts by weight：30 parts of sodium ethylene diamine tetracetate, 10 parts of citric acid, fatty alcohol polyoxy second
3 parts of alkene ether, 3 parts of dodecyl sodium sulfate, 50 parts of water.
Its preparation process step of the cleaning agent of the removal frosting paint is as follows：
(1) dodecyl sodium sulfate, AEO are mixed, adds water, be sufficiently stirred for；
(2) material after step (1) is sufficiently stirred for is mixed and stirred for dispersion with sodium ethylene diamine tetracetate, citric acid, plus
Heat is incubated 3 hours to 50 DEG C, and speed of agitator is 100r/min, obtains the cleaning agent of product removal frosting paint.
Embodiment 4：
The plastics for carrying out depainting treatment will be needed to be soaked in acetic acid, then supersound washing 5 minutes removes, and is soaked in reality
Apply a 1-2, comparative example 1 to be formulated in the cleaning agent of the removal frosting paint for obtaining, supersound washing 10 minutes.
According to national standard HG/T2881-1997《Paint stripper paint removal efficiency determination method》Determine the paint removal efficiency of paint stripper
(paint film expansion and corrugated area percent i.e. in the stipulated time), paint removal efficiency computing formula is as follows：
The paint film gross area × 100% before paint removal efficiency/soft area/depainting of %=paint films corrugation
The cleaning agent of the removal frosting paint that embodiment 1-3, the formula of comparative example 1 are obtained compares its various aspects of performance to be seen
Following table：
The result of the test of table 1
| Embodiment 1 | Embodiment 2 | Comparative example 1 | |
| Paint removal efficiency | 96% | 92% | 75% |
| Whether turn to be yellow and become fragile | It is no | It is no | It is |
| Whether soften | It is no | It is no | It is |
| Paint film appearance after cleaning | It is fully erased | It is fully erased | Almost dissolve |
Present invention process is formulated easy to use, safety and environmental protection, low cost, and colorless and odorless, volatility is low, and paint removing effect is good,
Plastics nondiscolouring after depainting, it is non-yellowing, do not soften, not embrittlement, have a good application prospect.
Above-described embodiment simply to illustrate that technology design of the invention and feature, the purpose is to be to allow in the art
Those of ordinary skill will appreciate that present disclosure and implement according to this that it is not intended to limit the scope of the present invention.It is all
It is the equivalent change or modification according to done by the essence of present invention, should all covers within the scope of the present invention.
Claims (10)
1. it is a kind of to remove the cleaning agent that frosting is painted, it is characterised in that to be made up of following component：Cleaning agent, auxiliary agent, lemon
Acid, surfactant, dispersant, reinforcing agent, water.
2. the cleaning agent that a kind of removal frosting as claimed in claim 1 is painted, it is characterised in that by following parts by weight
Each component composition：Cleaning agent 20-40 parts, auxiliary agent 10-30 parts, citric acid 5-15 parts, surfactant 1-5 parts, dispersant 1-3
Part, reinforcing agent 1-3 parts, water 30-60 parts.
3. the cleaning agent that a kind of removal frosting as claimed in claim 1 is painted, it is characterised in that cleaning agent position second
Sodium ethylene diamine tetracetate.
4. the cleaning agent that a kind of removal frosting as claimed in claim 1 is painted, it is characterised in that the auxiliary agent is modified
Zeolite, preparation method is as follows：Zeolite is ground to the powder of 150-300 mesh, using organic acidity modifying agent in 50-80 DEG C of immersion
Add organic alkali agents to be neutralized after 3-6 hours, be neutralized to pH for 3-6；The organic acidity modifying agent is malic acid, grass
One or more in acid, lactic acid, oxalic acid；The alkaline reagent is one or more in triethylamine, pyridine.
5. the cleaning agent that a kind of removal frosting as claimed in claim 1 is painted, it is characterised in that the surfactant
Position nonionic surfactant.
6. the cleaning agent that a kind of removal frosting as claimed in claim 5 is painted, it is characterised in that the non-ionic surface
Activating agent is AEO.
7. the cleaning agent that a kind of removal frosting as claimed in claim 1 is painted, it is characterised in that the dispersant is ten
Dialkyl sulfonates.
8. the cleaning agent that a kind of removal frosting as claimed in claim 1 is painted, it is characterised in that the reinforcing agent is poly-
The mixture of styrene and thiocarbamide.
9. as described in claim any one of 1-8 a kind of removal frosting paint cleaning agent preparation method, its feature
It is：
(1) surfactant, dispersant, reinforcing agent are mixed, adds water, be sufficiently stirred for；
(2) material after step (1) is sufficiently stirred for is mixed and stirred for dispersion with cleaning agent, auxiliary agent, citric acid, is heated to 50-
90 DEG C, 0.5-3 hours is incubated, speed of agitator is 100-1000r/min, obtains product cleaning agent.
10. the preparation method of a kind of cleaning agent for removing frosting paint as claimed in claim 9, it is characterised in that stir
Mix rotating speed is 200-300r/min.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611032433.0A CN106700715B (en) | 2016-11-15 | 2016-11-15 | Cleaning agent for removing paint on plastic surface and preparation method thereof |
| PCT/CN2016/111448 WO2018090428A1 (en) | 2016-11-15 | 2016-12-22 | Cleaning agent for removing paint on plastic surface and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611032433.0A CN106700715B (en) | 2016-11-15 | 2016-11-15 | Cleaning agent for removing paint on plastic surface and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106700715A true CN106700715A (en) | 2017-05-24 |
| CN106700715B CN106700715B (en) | 2020-08-28 |
Family
ID=58941168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611032433.0A Active CN106700715B (en) | 2016-11-15 | 2016-11-15 | Cleaning agent for removing paint on plastic surface and preparation method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106700715B (en) |
| WO (1) | WO2018090428A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107215938A (en) * | 2017-08-02 | 2017-09-29 | 广州兰泉环保科技有限公司 | Paint paint removal agent prescription and preparation method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115446049A (en) * | 2022-08-19 | 2022-12-09 | 宝武环科武汉金属资源有限责任公司 | Economical waste paint bucket cleaning process |
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|---|---|---|---|---|
| CN1851059A (en) * | 2006-05-22 | 2006-10-25 | 西南铝业（集团）有限责任公司 | Aluminium coiled material coating acid cleaning agent |
| CN104277572A (en) * | 2014-09-05 | 2015-01-14 | 青岛佳尚创意文化有限公司 | Nonmetallic surface paint remover |
| CN104560419A (en) * | 2015-01-14 | 2015-04-29 | 上海承瑶环保科技有限公司 | Reusing treatment immersion cleaning agent for PET bottle flake |
| CN105670830A (en) * | 2016-04-07 | 2016-06-15 | 上海斯麦尔日化有限公司 | Cleaning agent composition |
| CN106087541A (en) * | 2016-06-20 | 2016-11-09 | 广州聚注专利研发有限公司 | A kind of starch modified stuffing and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080223414A1 (en) * | 2007-03-13 | 2008-09-18 | Dober Chemical Corporation | Compositions and methods for removing titanium dioxide from surfaces |
-
2016
- 2016-11-15 CN CN201611032433.0A patent/CN106700715B/en active Active
- 2016-12-22 WO PCT/CN2016/111448 patent/WO2018090428A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1851059A (en) * | 2006-05-22 | 2006-10-25 | 西南铝业（集团）有限责任公司 | Aluminium coiled material coating acid cleaning agent |
| CN104277572A (en) * | 2014-09-05 | 2015-01-14 | 青岛佳尚创意文化有限公司 | Nonmetallic surface paint remover |
| CN104560419A (en) * | 2015-01-14 | 2015-04-29 | 上海承瑶环保科技有限公司 | Reusing treatment immersion cleaning agent for PET bottle flake |
| CN105670830A (en) * | 2016-04-07 | 2016-06-15 | 上海斯麦尔日化有限公司 | Cleaning agent composition |
| CN106087541A (en) * | 2016-06-20 | 2016-11-09 | 广州聚注专利研发有限公司 | A kind of starch modified stuffing and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 余志伟: "《矿物材料与工程》", 31 December 2012, 中南大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107215938A (en) * | 2017-08-02 | 2017-09-29 | 广州兰泉环保科技有限公司 | Paint paint removal agent prescription and preparation method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018090428A1 (en) | 2018-05-24 |
| CN106700715B (en) | 2020-08-28 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220311 Address after: 421200 Chaoyang Road, industrial park, Kaiyun Town, Hengshan County, Hengyang City, Hunan Province Patentee after: Hengyang meirunda surface treatment Co.,Ltd. Address before: 516081 No. 1, South 11, Kaicheng Avenue, Daya Bay West District, Huizhou City, Guangdong Province Patentee before: Yao Youcan |
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| TR01 | Transfer of patent right |