Preparation method of antibacterial and mildew-proof TDI (toluene diisocyanate) memory polyurethane foam

A polyurethane foam, antibacterial and anti-mold technology, which is applied in the field of polyurethane foam preparation, can solve the problems such as the anti-mold performance of 8-hydroxyquinoline copper TDI memory polyurethane foam materials, and achieve easy operation, simple preparation method and good appearance. Capacitive and Dispersive Effects

Active Publication Date: 2013-09-04
FUJIAN YUETE NEW MATERIAL TECH
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, some memory slow rebound polyurethane foam materials have appeared on the market, but there is no report on the application of immobilized silver mica antibacterial powder in the production of TDI memory polyurethane foam materials to make TDI memory polyurethane foam materials have antibacterial properties, and there is no application.8 -A report on copper hydroxyquinoline as an antifungal agent that makes TDI memory polyurethane foam have antifungal properties and other aspects

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0024] The technical scheme of the present invention is: a kind of preparation method of antibacterial mildew-proof TDI memory polyurethane foam, it comprises the following steps:

[0025] 1) Put 250-350 mesh muscovite powder in 30% hydrogen peroxide at 80°C for 60 minutes, then filter, wash and dry in sequence to obtain expanded muscovite powder;

[0026] 2) Add the expanded muscovite powder obtained in step 1 to the trisodium phosphate solution with a concentration of 0.25 mol / L at a weight ratio of 1: 1 to 3, stir and dissolve at 65 to 70°C for 4 to 6 hours, and then Filter, and wash the solid product with water until there is no PO in the washing liquid 4 3- After drying for use;

[0027] 3) Add the solid product dried in step 2 to AgNO with a concentration of 0.05 mol / L at a weight ratio of 1:10 3 In the solution, stirring and reacting for 4 hours at a temperature of 55-60°C and a pH value of 6-8, mica powder and AgNO 3 The solution undergoes ion exchange and adsorp...

Embodiment 1

[0036] A kind of preparation method of antibacterial mildew-proof TDI memory polyurethane foam, it comprises the following steps:

[0037] 1) Put 250-mesh muscovite powder in 30% hydrogen peroxide at 80°C for 60 minutes, then filter, wash and dry in sequence to obtain expanded muscovite powder;

[0038] 2) Add 500g of the expanded muscovite powder obtained in step 1 to 500g of trisodium phosphate solution with a concentration of 0.25 mol / L, stir and dissolve at 65-70°C for 4 hours, then filter, and wash the solid product with water until there is no PO in the washing solution 4 3- After drying for use;

[0039] 3) Add 504 g of the solid product obtained in step 2 to 5040 g of AgNO with a concentration of 0.05 mol / L 3In the solution, the reaction was stirred for 4 hours at a temperature of 55-60 °C and a pH value of 6. Mica powder and AgNO 3 The solution undergoes ion exchange and adsorption, and then centrifuges to obtain a solid product. The solid product is washed repea...

Embodiment 2

[0048] A kind of preparation method of antibacterial mildew-proof TDI memory polyurethane foam, it comprises the following steps:

[0049] 1) Put 350-mesh muscovite powder in 30% hydrogen peroxide at 80°C for 60 minutes, then filter, wash and dry in sequence to obtain expanded muscovite powder;

[0050] 2) Add 500g of the expanded muscovite powder obtained in step 1 into 1500g of trisodium phosphate solution with a concentration of 0.25 mol / L, stir and dissolve at 65-70°C for 6 hours, then filter, and wash the solid product with water until No PO in the liquid 4 3- After drying for use;

[0051] 3) Add 508 g of the solid product obtained in step 2 to 5080 g of AgNO with a concentration of 0.05 mol / L 3 In the solution, the reaction was stirred for 4 hours at a temperature of 55-60 ° C and a pH value of 8. Mica powder and AgNO 3 The solution undergoes ion exchange and adsorption, and then centrifuges to obtain a solid product. The solid product is washed repeatedly with di...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a preparation method of antibacterial and mildew-proof TDI (toluene diisocyanate) memory polyurethane foam. The preparation method comprises the following steps of: 1) impregnating white mica powders in hydrogen peroxide to obtain expansion white mica powders after treatment; 2) adding the expansion white mica powders from the step 1 to trisodium phosphate solution to obtain a solid product after treatment; 3) adding the solid product from the step 2 to AgNO3 solution to obtain a solid-supported silver mica antibacterial agent after stirring and post-treatment; 4) adding the product from the previous step to the mixed solution of a diluting agent and a coupling agent for mixing, and then stirring to obtain a plastic antibacterial agent; and 5) adding the plastic antibacterial agent and a mildew-proof agent to a reaction kettle of butter PPG (Polypropylene Glycol) to realize dissolution by stirring, then adding a variety of accessories and TDI, stirring at high speed and then pouring the mixture into a reaction tank, and finally, naturally aging to obtain the product. According to the invention, the solid-supported silver mica antibacterial agent and the 8-hydroxyquinolinate mildew-proof agent are employed to result in antibacterial property and mildew-proof effect in the prepared product.

Description

technical field [0001] The invention relates to a preparation method of polyurethane foam, in particular to a preparation method of antibacterial and mildew-proof TDI memory polyurethane foam. Background technique [0002] Since the 20th century, polyurethane foam has been greatly developed. In the 1940s, the German Bayer laboratory used diisocyanate and polyols as raw materials to prepare polyurethane samples such as rigid foam plastics. The United States has carried out research on rigid polyurethane foam since 1946, and the products are used in aircraft sandwich panel parts. In 1952, Bayer Company reported the results of the pilot test of polyester-type flexible polyurethane foam; from 1952 to 1954, it developed the technology of continuous production of polyester-type flexible polyurethane foam and developed corresponding production equipment; In 1961, polyisocyanate PAPI with low vapor pressure was used to prepare rigid polyurethane foam, which improved the performanc...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Patents(China)
IPC IPC(8): C08G18/76C08G18/66C08G18/48C08K13/06C08K9/12C08K9/06C08K3/08C08K5/3437C08G101/00
Inventor 许明洪
Owner FUJIAN YUETE NEW MATERIAL TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap