Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Compound fire retardant containing hydroxymethylated melamine silicide, preparation method and application thereof

A technology of methylolated melamine and composite flame retardant, which is applied in the field of composite flame retardant containing methylolated melamine silicide and its preparation, can solve the problem of reacting into a flame retardant and achieve life safety Low threat, high limiting oxygen index, and less toxic substances

Inactive Publication Date: 2012-05-30
GUANGZHOU CHEM CO LTD CHINESE ACADEMY OF SCI +1
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method only utilizes the synergistic flame retardant effect of silicon / nitrogen, and reacts melamine and silicon-containing compounds into the polymer respectively, and does not react the two into a flame retardant containing silicon / nitrogen elements

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

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Compound fire retardant containing hydroxymethylated melamine silicide, preparation method and application thereof
  • Compound fire retardant containing hydroxymethylated melamine silicide, preparation method and application thereof
  • Compound fire retardant containing hydroxymethylated melamine silicide, preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Preparation of methylolated melamine silicon compound:

[0029] (1) Mix 100 parts by weight of melamine with 100 parts by weight of a 37% formaldehyde solution, adjust the pH to 7 with 1 part by weight of triethylamine, and carry out a methylolation reaction at 90°C for 20 minutes, then rotary evaporate Remove remaining formaldehyde to obtain methylolated melamine;

[0030] (2) Add 300 parts by weight of ethyl orthosilicate, 200 parts by weight of methyltriethoxysilane, 1000 parts by weight of water, 15 parts by weight of dibutyltin dilaurate in the reaction system of step (1), adjust The temperature was raised to 90° C., and after reacting for 5 hours, the precipitate was filtered, and the precipitate was dried to obtain a powdery methylolated melamine silicide.

[0031] Preparation of composite flame retardant containing methylolated melamine silicide: take 100 parts by weight of methylolated melamine silicide prepared in this example, 1 part by weight of zinc borate...

Embodiment 2

[0034] Preparation of methylolated melamine silicon compound:

[0035] (1) 100 parts by weight of melamine is mixed with 200 parts by weight of 30% formaldehyde solution, 6 parts by weight of triethylamine is adjusted to pH=9, and at 85° C., the methylolation reaction is carried out for 20 minutes, and then rotary evaporation removes the remaining formaldehyde to obtain hydroxylated melamine;

[0036] (2) Add 130 parts by weight of ethyl orthosilicate to the reaction system of step (1), 70 parts by weight of methyltriethoxysilane, 10 parts by weight of phenyltrimethoxysilane, 850 parts by weight of water, 8 parts by weight of Parts of dibutyltin dilaurate, adjust the temperature to 90°C, react for 5 hours, filter the precipitate, dry the precipitate to obtain powdery methylolated melamine silicide.

[0037] Preparation of a composite flame retardant containing methylolated melamine silicide: take 100 parts by weight of the methylolated melamine silicide prepared in this examp...

Embodiment 3

[0040] Preparation of methylolated melamine silicon compound:

[0041] (1) Mix 100 parts by weight of melamine with 400 parts by weight of 20% formaldehyde solution, adjust the pH to 7.5 with 0.5 parts by weight of sodium hydroxide, and carry out the methylolation reaction for 40 minutes at 80° C., then remove the remaining formaldehyde to obtain methylolated melamine;

[0042] (2) Add 25 parts by weight of methyltriethoxysilane, 25 parts by weight of dimethyldiethoxysilane, 0.25 parts by weight of aluminum trichloride, and 100 parts by weight of water in the reaction system of step (1), adjust The temperature was raised to 85° C., and after reacting for 2 hours, the precipitate was filtered, and the precipitate was dried to obtain a powdery methylolated melamine silicide.

[0043] Preparation of composite flame retardant containing methylolated melamine silicide: take 100 parts by weight of methylolated melamine silicide prepared in this example, 30 parts by weight of alumin...

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

PropertyMeasurementUnit
epoxy valueaaaaaaaaaa
oxygen indexaaaaaaaaaa
limiting oxygen indexaaaaaaaaaa
Login to View More

Abstract

The invention relates to a compound fire retardant containing hydroxymethylated melamine silicide and application thereof. The compound fire retardant comprises the following components in parts by weight: 100 parts of hydroxymethylated melamine silicide, 5-100 parts of inorganic fire retardant and 0-100 parts of inorganic filler which are compounded. The compound fire retardant does not contain halogens, releases fewer toxic substances, is environmentally friendly and has smaller threat to the life safety of people. In addition, the compound fire retardant has the advantages of high heat stability, high limited oxygen index, strong fire resistance and better compatibility with polymer materials and can be used for effectively improving the heat resistance and the fire resistance of high polymer materials such as chloroethylene, epoxy resin, polypropylene, polyester, and the like. The development of the compound fire retardant successfully solves the problems of the traditional fire retardants of toxicity, environmental pollution, poor fire resistance, incompatibility with the high polymer materials, and the like.

Description

technical field [0001] The invention relates to the field of flame retardant materials, in particular to a composite flame retardant containing methylolated melamine silicide and its preparation method and application. Background technique [0002] At present, the most widely used flame retardants in polymer materials are halogen-containing flame retardants. Halogen-containing polymer materials are easy to release toxic substances during combustion, which poses a threat to people's life safety. Therefore, due to the requirements of environmental protection and safety, nitrogen-containing flame retardants, as an intumescent flame retardant, have gradually attracted attention because of their advantages such as halogen-free, low toxicity, and low smoke. [0003] At present, the most researches on nitrogen-containing flame retardants are flame retardants containing triazine ring structure, among which melamine and its derivatives are the main ones. However, melamine has poor ...

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): C08K13/02C08K5/544C07F7/18C08L27/06C08L63/00C08L23/12C08L67/00
CPCY02P20/52
Inventor 刘伟区魏振杰
Owner GUANGZHOU CHEM CO LTD CHINESE ACADEMY OF SCI
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com