Preparation method of SiO2 modified natural latex compact condom

• Main Authors: HOU YANJIAO, SUN GUANGYI, LUO CHUANNAN, SUN MINGZHENG
• Format: Patent
• Language: Chinese; English
• Published: 28.05.2019
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The invention discloses a preparation method of an SiO2 modified natural latex compact condom. The compact condom is prepared by uniformly dispersing natural plant extraction liquid and nanometer SiO2into the natural latex through prevulcanization, dip forming and secondary vulcanization. The preparation method has the beneficial effects that charges carried by the natural plant extraction liquidingredients added in the compact condom can realize the mutual adsorption with virus molecules; the viruses are adsorbed onto the film surface so that the virus passing is prevented; the nanometer SiO2 particles are uniformly scattered between the latex particles; the dispersion and the rubber film density of the nanometer SiO2 particles can be improved; in addition, through the aldol condensation and hydrogen bond adsorption effects in the rubber film forming process, the interwoven arranged network structure is formed; the compactness of the condom finished product is improved. 本发明公开了一种SiO改性天然胶乳致密型安全套的制备方法，本发明将天然植物萃