In the 1990s, there was a book "Research on Painting Materials" written by Pang Tao, which she learned from Binkas in the technique studio of French Academy of Fine Arts, with detailed methods for making Binkas latex. After all, water and oil are insoluble things, and their specific gravity and tension are different. To mix them into emulsion, the production method must be very particular.
There is a component in Binkas emulsion, which is methyl cellulose, also called cellulose methyl ether. You must go to the chemical store to buy it. If you can buy it, consider learning to do it again. You can't do it without it.