Carboxylic butadiene-styrene latex production process and equipment thereof

• Main Authors: LIU YAJIE, YAN DAZHONG, YANG HONGQUAN, SUN JIANQUAN, LIU SHIMAO
• Format: Patent
• Language: Chinese; English
• Published: 18.04.2023
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; THEIR PREPARATION OR CHEMICAL WORKING-UP; THEIR RELEVANT APPARATUS; TRANSPORTING

The invention discloses a carboxylic butadiene-styrene latex production process and equipment thereof, the production process comprises the following steps: preparation of acrylonitrile, butadiene, liquid soap, mercaptan, an initiator and the like, reaction, degassing, blending, filtration and obtaining of a finished product carboxylic butadiene-styrene latex, the acrylonitrile is added to improve the surface strength and bonding strength of the carboxylic butadiene-styrene latex, and the surface strength and bonding strength of the carboxylic butadiene-styrene latex are improved; according to the present invention, the chemical stability and the anti-foaming property of the carboxylic butadiene-styrene latex are improved by adding the functional monomer, the reaction of the whole system is complete by sequentially adding the raw materials and stirring while feeding, the conversion rate is effectively improved, and the production equipment comprises an acrylonitrile metering tank, a butadiene metering tank, a