Water soluble flux remover专利检索-可生物降解废物废物处理与管理专利检索查询-专利查询网

Water soluble flux remover

阅读：230发布：2021-02-19

专利汇可以提供Water soluble flux remover专利检索，专利查询，专利分析的服务。并且A water soluble flux remover for removing soldering flux from electrical circuit boards and the like comprises a glycol ether, a saturated aliphatic amine, a surfactant, and a nonvolatile water soluble organic acid having a chelating radical. This composition has the ability to solublize rosin fluxes and the composition is biodegradable so that after removal of the fluxes the solution can be discharged into ordinary waste treatment systems.，下面是Water soluble flux remover专利的具体信息内容。

权利要求

1. A WATER SOLUBLE SOLUTION FOR REMOVING SOLDERING FLUX FROM CIRCUIT BOARDS CONSISTING ESSENTIALLY OF: A GLYCOL ETHER SELECTED FROM THE GROUP CONSISTING OF ETHYLENE GLYCOL MONO METHYL ETHER, ETHYLENE GLYCOL ETHYLETHER, ETHYLENE GLYCOL MONO BUTYL ETHER, DIETHYLENE GLYCOL MONO METHYL ETHER, DIETHYLENE GLYCOL MONO ETHYL ETHER AND DIETHYLENE GLYCOL MONO BUTYL ETHER AND MIXTURES THEREOF; AN AMINE SELECTED FROM THE GROUP CONSISTING OF TRIETHANOL AMINE, DIETHANOL AMINE, MONOETHANOL AMINE AND MORPHOLINE; AN ORGANIC ACID SELECTED FROM THE GROUP CONSISTING OF CITRIC ACID, GLUCONIC ACID AND HYDROXYACETIC ACID, THERE BEING AT LEAST ABOUT 3 MOLS OF SAID AMINE PRESENT FOR EACH MOL OF SAID ORGANIC ACID; SAID GLYCOL ETHER, AMINE AND ORGANIC ACID BEING DISSOLVED IN WATER TO FORM A CONCENTRATE AND BEING PRESENT IN SAID CONCENTRATE IN PROPORTIONS WHICH, UPON DILUTION OF SAID CONCENTRATE WITH WATER, WILL PROVIDE A WASHING SOLUTION CONTAIING BY WEIGHT APPROXIMATELY 1 TO 3% OF SAID GLYCOL ETHER, 1 TO 3% OF SAID AMINE AND 0.18 TO 0.56% OF SAID ACID.

2. A solution as set forth in claim 1 wherein said glycol ether is ethylene glycol mono butyl ether and is in substantially equal proportion to said amine by weight.

3. The solution of claim 1 in which said concentrate also contains a polyoxyethylene surfactant in an amount which will result in such washing solution containing approximately 0.05 to 0.15% by weight of said surfactant.

4. The solution of claim 1 in which said concentrate also contains a lower alcohol selected from the group consisting of methyl alcohol, ethyl alcohol and isopropyl alcohol in an amount which will result in said washing solution containing approximately 0.25 to 0.75% by weight of said alcohol.

5. The solution of claim 4 in which said concentrate also contains a polyoxyethylene surfactant in an amount which will result in said washing solution containing approximately 0.05 to 0.15% by weight of said surfactant.

6. The solution of claim 5 in which the acid is hydroxyacetic acid.

7. The solution of claim 6 in which the amine is monoethanol amine.

8. The solution of claim 7 in which the glycol ether is ethylene glycol mono butyl ether.

9. A washing solution concentrate dilutable with water to form a washing solution for removing flux from circuit boards, said concentrate consisting essentially of:

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Water soluble flux remover

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