WO2018000238A1 - 溶剂型脱漆剂及其应用和工件脱漆方法 - Google Patents

溶剂型脱漆剂及其应用和工件脱漆方法 Download PDF

Info

Publication number
WO2018000238A1
WO2018000238A1 PCT/CN2016/087652 CN2016087652W WO2018000238A1 WO 2018000238 A1 WO2018000238 A1 WO 2018000238A1 CN 2016087652 W CN2016087652 W CN 2016087652W WO 2018000238 A1 WO2018000238 A1 WO 2018000238A1
Authority
WO
WIPO (PCT)
Prior art keywords
workpiece
paint
parts
solvent
based paint
Prior art date
Application number
PCT/CN2016/087652
Other languages
English (en)
French (fr)
Inventor
万华
Original Assignee
深圳市盈恒科技有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 深圳市盈恒科技有限公司 filed Critical 深圳市盈恒科技有限公司
Priority to PCT/CN2016/087652 priority Critical patent/WO2018000238A1/zh
Publication of WO2018000238A1 publication Critical patent/WO2018000238A1/zh

Links

Classifications

    • 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

Definitions

  • the present invention relates to the field of surface treatment technology, and in particular to a solvent type paint stripper and its application and a workpiece stripping method.
  • the surface treatment technology of the workpiece is usually applied.
  • the surface treatment of aluminum, iron and their alloys goes deep into all walks of life.
  • most of the work needs to be pretreated before surface treatment, for example, cleaning, decontamination and degreasing, and stripping is required for some specific workpieces.
  • the paint layer needs to be repainted, and the old paint layer needs to be removed before repainting.
  • a paint stripper generally utilizes the permeation force of a solvent molecule to cause the crosslinked polymer material to swell, soften, wrinkle, and dissolve under the action of an activator and other components, and is peeled off from the surface of the substrate.
  • Some paint strippers contain methylene chloride, phenol, toluene solvents and hydrofluoric acid. These paint removers are highly toxic and highly corrosive to the substrate.
  • a solvent-based paint remover which is safe and effective and which is less corrosive to a substrate, and an application thereof and a paint stripping method of the workpiece are provided.
  • a solvent-based paint stripper comprising the following components in parts by weight: 60-100 parts of isopropanol,
  • a workpiece stripping method comprising the steps of: formulating a solvent-based paint stripper as described above; pouring a paint stripper into a paint strip; immersing the paint workpiece in the bath, the paint film is thicker
  • the workpiece can be first smeared with a knife and then immersed in the stripping tank. After the paint layer on the surface of the workpiece is foamed or wrinkled, it is taken out, and the workpiece is placed in clean water to rinse or rinse, and the paint layer is separated from the surface of the workpiece.
  • the solvent type paint stripper is used for removing a surface paint layer or a plastic layer of a metal workpiece.
  • the solvent-based paint remover is a combination of the above-mentioned formula components, does not use corrosive concentrated sulfuric acid and the like, has low corrosivity to the substrate, is safe and environmentally friendly, and the organic paint stripping agent used for the solvent-based paint remover It is a high-efficiency expansion peeling type paint remover. It peels off the paint film by osmotic expansion, and the paint stripping speed is fast and the service life is long.
  • This embodiment provides a solvent-based paint stripper comprising the following components in parts by weight: 60-1 00 parts of isopropanol, 50-100 parts of formic acid, 10-20 parts of ethylene glycol Butyl ether, 30-100 parts of triethyl phosphate, 5-20 parts of nonylphenol ethoxylate.
  • the parts by weight of isopropyl alcohol are preferably from 70 to 100.
  • the weight fraction of formic acid is preferably from 60 to 100.
  • the ethylene glycol monobutyl ether is preferably 15-20 parts by weight.
  • the weight ratio of triethyl phosphate is preferably from 50 to 100.
  • the nonylphenol ethoxylate is preferably 15-20 parts by weight.
  • the paint stripping mechanism of the paint stripper of the present embodiment is: isopropanol, ethylene glycol monobutyl ether, triethyl phosphate together to dissolve the paint layer, formic acid separates the paint layer metal substrate, and nonylphenol polyoxyethylene ether To clean dispersion.
  • the above solvent-based paint stripping agent is mainly used for the removal of the surface paint layer or the plastic layer of the metal workpiece.
  • the metal workpiece can be aluminum, iron, zinc alloy, etc.
  • the lacquer layer can be various types of electrophoretic paint, baking varnish, etc., or it can be a spray coating.
  • the aluminum stripping method includes the following steps: Pour the stripping liquid into the stripping tank, and then immerse the stripped workpiece in the product. The thicker film can be scratched to the metal substrate. Then immerse in the working fluid. After the coating on the surface of the workpiece is blistered or wrinkled, remove it, rinse or rinse the workpiece in clean water, and the coating will be clean and completely detached from the workpiece.
  • the immersion time is 1-10 minutes depending on the type of paint layer, thickness and workpiece condition.
  • the solvent-based paint stripper is a combination of the above-mentioned formula components, and does not use corrosive concentrated sulfuric acid, chloroform, a toluene solvent, etc., is less corrosive to the substrate, safe and environmentally friendly, and the above solvent-based
  • the organic peeling agent used in lacquering agent is a high-efficiency expansion and peeling type paint stripper.
  • the osmosis film is peeled off by the osmotic expansion effect, and the stripping speed is fast and the service life is long.
  • the composition range, preparation method, and use effect of the above-mentioned paint remover are exemplified below by a plurality of examples.
  • the paint stripping method is as follows: the solvent-based paint stripper is added to the paint strip; the lacquered workpiece is immersed in the bath for 5 minutes, taken out, the surface of the workpiece is observed, the paint layer is foamed off, and the workpiece is placed. Rinse into clean water, the workpiece is clean and non-corrosive.
  • the paint stripping method is as follows: the solvent-based paint stripper is added to the paint strip; the lacquered workpiece is immersed in the bath for 5 minutes, and then taken out, the surface of the workpiece is observed, the paint layer is foamed off, and the workpiece is removed. Rinse in clean water and the workpiece is clean and free of corrosion.
  • the paint stripping method is as follows: the solvent-based paint stripper is added to the paint strip; the lacquered workpiece is immersed in the bath for 5 minutes, taken out, the surface of the workpiece is observed, the paint layer is foamed off, and the workpiece is placed. Rinse into clean water, the workpiece is clean and non-corrosive.
  • the stripping method is as follows: adding the configured solvent-based paint stripping agent to the stripping tank; dipping the painted workpiece into the tank 5 minutes in the liquid, take out, observe the surface of the workpiece, the paint layer is foamed off, the workpiece is washed in clean water, and the workpiece is clean and non-corrosive.

Landscapes

  • 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)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Detergent Compositions (AREA)

Abstract

一种溶剂型脱漆剂，包括按照重量份数配比的下列成分：60-100份异丙醇，50-100份甲酸，10-20份乙二醇单丁醚，30-100份磷酸三乙酯，5-20份壬基酚聚氧乙烯醚。工件脱漆方法包括，将带漆工件放入脱漆槽中，漆膜较厚的工件可先用小刀将漆膜划开再浸入脱漆槽中，待工件表面的漆层起泡或起皱后，再将工件放入清水中冲洗或漂洗。该脱漆剂可用于金属工件的表面漆层或塑层的脱除处理。

Description

发明名称：溶剂型脱漆剂及其应用和工件脱漆方法 技术领域
[0001] 本发明涉及表面处理技术领域， 具体涉及一种溶剂型脱漆剂及其应用和工件脱 漆方法。
背景技术
[0002] 为提高产品表面性能或者外观， 通常对工件表面处理技术。 例如， 铝、 铁及其 合金的表面处理工艺深入各行各业中。 而且， 大多数工作在进行表面处理前还 需要经过预处理， 例如， 进行清洗， 除污除油， 对于一些特定工件还需要进行 脱漆处理。 例如， 对于一些喷涂不良漆层， 需要重新喷涂漆层， 需要先退除旧 漆层， 再重新喷漆。
[0003] 脱漆剂通常利用溶剂分子的渗透力， 在活化剂和其他成分的作用下， 使交联的 高分子材料溶胀、 软化、 起皱和溶解， 脱离基材表面而剥落下来。 一些脱漆剂 含有二氯甲烷， 苯酚， 甲苯类溶剂以及氢氟酸等， 此类脱漆剂毒性较大， 对基 材腐蚀性大。
技术问题
[0004] 有鉴于此， 提供一种安全有效且对基材腐蚀小的溶剂型脱漆剂及其应用和工件 脱漆方法。
问题的解决方案
技术解决方案
[0005] 一种溶剂型脱漆剂， 其包括按照重量份数配比的下列成分： 60-100份异丙醇，
50-100份甲酸， 10-20份乙二醇单丁醚， 30-100份磷酸三乙酯， 5-20份壬基酚聚氧 乙烯醚。
[0006] 一种工件脱漆方法， 其包括下列步骤： 配制如上所述的溶剂型脱漆剂； 将脱漆 剂倒入脱漆槽中； 将带漆工件浸入槽液中， 漆膜较厚的工件可先用小刀将漆膜 划开再浸入脱漆槽中。 待工件表面的漆层起泡或起皱后， 取出， 将工件放入清 水中冲洗或漂洗， 漆层脱离工件表面。 [0007] 以及， 所述的溶剂型脱漆剂用于金属工件的表面漆层或塑层的脱除。
发明的有益效果
有益效果
[0008] 上述溶剂型脱漆剂釆用上述配方成分的组合， 没有采用腐蚀性的浓硫酸等成分 , 对基材腐蚀性小， 安全环保， 而且上述溶剂型脱漆剂采用的有机剥漆剂是高 效膨胀剥离型脱漆剂， 通过渗透膨胀作用， 使漆膜呈片状剥落， 剥漆速度快且 使用寿命长。
发明实施例
本发明的实施方式
[0009] 以下将结合具体实施例对本发明进行详细说明。
[0010] 本实施例提供一种溶剂型脱漆剂， 其包括按照重量份数配比的下列成分： 60-1 00份异丙醇， 50-100份甲酸， 10-20份乙二醇单丁醚， 30-100份磷酸三乙酯， 5-20 份壬基酚聚氧乙烯醚。 具体地， 异丙醇的重量份数优选为 70-100。 甲酸的重量份 数优选为 60-100。 乙二醇单丁醚的重量份数优选为 15-20。 磷酸三乙酯的重量份 数优选为 50-100。 壬基酚聚氧乙烯醚的重量份数优选为 15-20。 本实施例的脱漆 剂脱漆机理为： 异丙醇、 乙二醇单丁醚， 磷酸三乙酯共同使漆层溶解， 甲酸使 漆层金属基材分离， 壬基酚聚氧乙烯醚用以清洁分散作用。
[0011] 上述溶剂型脱漆剂主要用于金属工件的表面漆层或塑层的脱除。 金属工件可以 是铝材， 铁件， 锌合金等， 漆层可以是各类电泳漆、 烤漆等， 还可以是喷塑涂 层。 以应用于铝材工件为例， 具体脱漆方法包括以下步骤： 将剥漆液倒入脱漆 槽中， 然后将带漆工件浸入本品中， 较厚的漆膜可先划破至金属基体再浸入工 作液中。 待工件表面的涂层起泡或起皱后， 取出， 将工件放入清水中冲洗或漂 洗， 涂层便会干净彻底地脱离工件。 视漆层种类、 厚度及工件状况， 浸渍时间 为 1-10分钟。
[0012] 上述溶剂型脱漆剂采用上述配方成分的组合， 没有采用腐蚀性的浓硫酸， 二氯 甲垸， 甲苯类溶剂等成分， 对基材腐蚀性小， 安全环保， 而且上述溶剂型脱漆 剂釆用的有机剥漆剂是高效膨胀剥离型脱漆剂， 通过渗透膨胀作用， 使漆膜呈 片状剥落， 剥漆速度快且使用寿命长。 [0013] 以下通过多个实施例来举例说明上述脱漆剂的组成范围、 配制方法以及使用效 果等方面。
[0014] 实施例 1
[0015] 取如下用量的各成分： 60份异丙醇， 50份甲酸， 10份乙二醇单丁醚， 30份磷酸 三乙酯， 5份壬基酚聚氧乙烯醚， 将它们置于混合容器中， 充分搅拌， 混合均匀 后， 配制成溶剂型脱漆剂， 备用。
[0016] 脱漆方法如下： 将配置好的溶剂型脱漆剂加入到脱漆槽中； 将带漆工件浸入槽 液中 5分钟， 取出， 观察工件表面， 漆层起泡脱落， 将工件放入清水中冲洗， 工 件干净无腐蚀。
[0017] 实施例 2
[0018] 取如下用量的各成分： 70份异丙醇， 60份甲酸， 12份乙二醇单丁醚， 40份磷酸 三乙酯， 7份壬基酚聚氧乙烯醚 将它们置于混合容器中， 充分搅拌， 混合均匀 后， 配制成溶剂型脱漆剂， 备用。
[0019] 脱漆方法如下： 将配置好的溶剂型脱漆剂加入到脱漆槽中； 将带漆工件浸入槽 液中 5分钟后， 取出， 观察工件表面， 漆层起泡脱落， 将工件放入清水中冲洗， 工件干净无腐蚀。
[0020] 实施例 3
[0021] 取如下用量的各成分： 80份异丙醇， 80份甲酸， 15份乙二醇单丁醚， 60份磷酸 三乙酯， 15份壬基酚聚氧乙烯醚， 将它们置于混合容器中， 充分搅拌， 混合均 匀后， 配制成溶剂型脱漆剂， 备用。
[0022] 脱漆方法如下： 将配置好的溶剂型脱漆剂加入到脱漆槽中； 将带漆工件浸入槽 液中 5分钟， 取出， 观察工件表面， 漆层起泡脱落， 将工件放入清水中冲洗， 工 件干净无腐蚀。
[0023] 实施例 4
[0024] 取如下用量的各成分： 100份异丙醇， 100份甲酸， 20份乙二醇单丁醚， 100份 磷酸三乙酯， 20份壬基酚聚氧乙烯醚， 将它们置于混合容器中， 充分搅拌， 混 合均匀后， 配制成溶剂型脱漆剂， 备用。
[0025] 脱漆方法如下： 将配置好的溶剂型脱漆剂加入到脱漆槽中； 将带漆工件浸入槽 液中 5分钟， 取出， 观察工件表面， 漆层起泡脱落， 将工件放入清水中冲洗， 工 件干净无腐蚀。
需要说明的是， 本发明并不局限于上述实施方式， 根据本发明的创造精神， 本 领域技术人员还可以做出其他变化， 这些依据本发明的创造精神所做的变化， 都应包含在本发明所要求保护的范围之内。

Claims

[权利要求 1] 一种溶剂型脱漆剂， 其包括按照重量份数配比的下列成分： 60-100份 异丙醇， 50-100份甲酸， 10-20份乙二醇单丁醚， 30-100份磷酸三乙酯 ， 5-20份壬基酚聚氧乙烯醚。
[权利要求 2] 如权利要求 1所述的溶剂型脱漆剂， 其特征在于， 所述异丙醇的重量 份数为 70- 100。
[权利要求 3] 如权利要求 1所述的溶剂型脱漆剂， 其特征在于， 所述甲酸的重量份 数为 60-90。
[权利要求 4] 如权利要求 1所述的溶剂型脱漆剂， 其特征在于， 所述乙二醇单丁醚 的重量份数为 15-20。
[权利要求 5] 如权利要求 1所述的溶剂型脱漆剂， 其特征在于， 所述磷酸三乙酯的 重量份数为 50- 100。
[权利要求 6] 如权利要求 1所述的溶剂型脱漆剂， 其特征在于， 所述基酚聚氧乙烯 醚的重量份数为 5-15。
[权利要求 7] —种工件脱漆方法， 其包括下列步骤： 配制如权利要求 1-8任一项所 述的溶剂型脱漆剂； 将脱漆剂倒入脱漆槽中； 将带漆工件浸入槽液中 ， 漆膜较厚的工件可先用小刀将漆膜划幵再浸入脱漆槽中。 待工件表 面的漆层起泡或起皱后， 取出， 将工件放入清水中冲洗或漂洗， 漆层 脱离工件表面。
[权利要求 8] 如权利要求 1-6任一项所述的溶剂型脱漆剂用于金属工件的表面漆层 或塑层的脱除。
PCT/CN2016/087652 2016-06-29 2016-06-29 溶剂型脱漆剂及其应用和工件脱漆方法 WO2018000238A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/087652 WO2018000238A1 (zh) 2016-06-29 2016-06-29 溶剂型脱漆剂及其应用和工件脱漆方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/087652 WO2018000238A1 (zh) 2016-06-29 2016-06-29 溶剂型脱漆剂及其应用和工件脱漆方法

Publications (1)

Publication Number Publication Date
WO2018000238A1 true WO2018000238A1 (zh) 2018-01-04

Family

ID=60785798

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/087652 WO2018000238A1 (zh) 2016-06-29 2016-06-29 溶剂型脱漆剂及其应用和工件脱漆方法

Country Status (1)

Country Link
WO (1) WO2018000238A1 (zh)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1670090A (zh) * 2005-03-04 2005-09-21 广西大学 室外小广告水溶性快速清洗剂的制备方法
CN101260257A (zh) * 2008-04-28 2008-09-10 嘉纳尔科技（北京）有限公司 一种低挥发性脱漆剂
CN102325846A (zh) * 2009-01-23 2012-01-18 罗地亚管理公司 剥离组合物
CN104231716A (zh) * 2014-09-25 2014-12-24 南通万德科技有限公司 一种工业用漆膜分离剂及其应用

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1670090A (zh) * 2005-03-04 2005-09-21 广西大学 室外小广告水溶性快速清洗剂的制备方法
CN101260257A (zh) * 2008-04-28 2008-09-10 嘉纳尔科技（北京）有限公司 一种低挥发性脱漆剂
CN102325846A (zh) * 2009-01-23 2012-01-18 罗地亚管理公司 剥离组合物
CN104231716A (zh) * 2014-09-25 2014-12-24 南通万德科技有限公司 一种工业用漆膜分离剂及其应用

Similar Documents

Publication Publication Date Title
CN107502034B (zh) 一种摩擦性水基环保漆层清洗剂及其制备方法和应用
CN109370297B (zh) 一种实用型多功能高效环保水性脱漆剂及其制备方法和应用
CN107353701B (zh) 一种无腐蚀无划伤金属脱漆剂及其制备方法和应用
JP6926121B2 (ja) 非水性剥離組成物、および基材から有機被覆を剥離する方法
WO2018000236A1 (zh) 溶剂型脱漆剂及其应用和工件脱漆方法
US9593247B2 (en) Composition and method for removal of organic paint coatings from substrates
WO2019006670A1 (zh) 一种溶剂型脱漆剂及其应用和工件脱漆方法
WO2018000238A1 (zh) 溶剂型脱漆剂及其应用和工件脱漆方法
CN110218477A (zh) 一种金属通用的紫外光固化涂料脱漆剂及其制备方法
US2242106A (en) Method of removing baked organic coatings
WO2017008258A1 (zh) 溶剂型脱漆剂及其应用和工件脱漆方法
WO2019006671A1 (zh) 溶剂型脱漆剂及其应用和工件脱漆方法
WO2000043136A1 (en) Method for stripping paint from non-ferrous substrates
CN107474625B (zh) 一种无腐蚀无划伤金属脱漆剂及其制备方法和应用
JP3058978B2 (ja) 塗膜の除去方法
KR102280544B1 (ko) 은 나노입자를 이용한 페인트 박리제, 녹제거제, 탈지제 제조방법
DK169079B1 (da) I det væsentlige vandfrit middel til aflakering af emner af let korroderbare materialer, hvilket middel indeholder N-methyl-pyrrolidon, kaliumhydroxyd og en alkohol med 2-3 karbonatomer samt fremgangsmåde til dets fremstilling og anvendelse af dette
CN107502033B (zh) 一种摩擦性水基环保漆层清洗剂及其制备方法和应用
JPH10292138A (ja) 塗膜剥離用組成物
JP6153435B2 (ja) 塗料剥離用水性プライマー組成物および塗料剥離方法
JP2009203403A (ja) 塗膜用水系剥離剤および塗膜剥離方法
JPH02157067A (ja) 塗膜剥離法
TWI240659B (en) Paint-stripping process
US20030144164A1 (en) Method and composition for removing organic coatings from a substrate
JPS60197272A (ja) 塗膜剥離方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16906639

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16906639

Country of ref document: EP

Kind code of ref document: A1