Preparation method of melamine foam cotton

A technology of melamine foam and melamine, which is applied in the field of preparation of melamine foam, can solve the problems of high mechanical property brittleness, low strength, and easy pulverization, and achieve the effects of low brittleness, low differentiation rate, and high porosity

Inactive Publication Date: 2018-06-01
郑州峰泰纳米材料有限公司
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The curing of melamine foam is achieved through cross-linking of methylene or dimethylene ether bonds. There are triazine rings with great steric hindrance attached to both ends of methylene, and multiple methylene and triazine rings interact with each other. Staggered, there is a relatively rigid triazine group in the melamine macromolecule, so there

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

Example Embodiment

[0016] Example 1

[0017] This embodiment provides a method for preparing melamine foam, including the following steps: taking 100 parts by weight of melamine formaldehyde resin, adding 8 parts by weight of emulsifier, 6 parts by weight of polyoxyethylene, and 3 parts by weight in a water bath environment of 25°C Parts of polyethylene glycol distearate, 8 parts by weight of alkyl diethanolamide and 10 parts by weight of polyvinyl alcohol, stir evenly at high speed, and then add 6 parts by weight of foaming agent and 7 parts by weight of open cell Mixing agent, 16 parts by weight of curing agent and 3 parts by weight of propylene glycol, mix uniformly; then foam in a microwave foaming oven with a temperature of 100°C, a frequency of 2450 MHz, and a power of 2KW for 1 min, and then cure in an oven at 200°C After setting for 2h, melamine foam is obtained.

[0018] The emulsifier in this example is sodium dodecylbenzene sulfonate.

[0019] The blowing agent in this embodiment is n-buta...

Example Embodiment

[0023] Example 2

[0024] This embodiment provides a method for preparing melamine foam, including the following steps: take 100 parts by weight of melamine formaldehyde resin, add 8 parts by weight of emulsifier, 10 parts by weight of polyoxyethylene, and 5 parts by weight in a water bath environment of 25°C Parts of polyethylene glycol distearate, 7 parts by weight of alkyl diethanolamide and 12 parts by weight of polyvinyl alcohol, stir evenly at high speed, and then add 6 parts by weight of foaming agent and 7 parts by weight of open cell Mixing agent, 14 parts by weight of curing agent and 5 parts by weight of propylene glycol, mix uniformly; then foam in a microwave foaming oven with a temperature of 100°C, a frequency of 2450 MHz, and a power of 2KW for 1 min, and then cure in an oven at 200°C After setting for 2h, melamine foam is obtained.

[0025] In this embodiment, the emulsifier is sodium lauryl sulfate.

[0026] The blowing agent in this embodiment is n-pentane.

[002...

Example Embodiment

[0030] Example 3

[0031] This embodiment provides a method for preparing melamine foam, including the following steps: take 100 parts by weight of melamine formaldehyde resin, add 9 parts by weight of emulsifier, 7 parts by weight of polyoxyethylene, 4 parts by weight in a water bath environment of 25°C Parts of polyethylene glycol distearate, 6 parts by weight of alkyl diethanolamide and 12 parts by weight of polyvinyl alcohol, stir evenly at high speed, and then add 7 parts by weight of foaming agent and 6 parts by weight of open cell Mixing agent, 12 parts by weight of curing agent and 6 parts by weight of propylene glycol, mix well; then foam for 1 min in a microwave foaming oven with a temperature of 100°C, a frequency of 2450 MHz, and a power of 2KW, and then cure in an oven at 200°C After setting for 2h, melamine foam is obtained.

[0032] In this embodiment, the emulsifier is sodium benzene sulfonate.

[0033] The blowing agent in this embodiment is n-hexane.

[0034] The p...

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
Compressive strengthaaaaaaaaaa
Tear strengthaaaaaaaaaa
Elastic modulusaaaaaaaaaa
Login to view more

Abstract

The invention discloses a preparation method of melamine foam cotton. The method comprises the following steps of taking 100 weight parts of melamine formaldehyde resin; in 25-DEG C water bath environment, adding 8 to 10 weight parts of emulsifying agents, 6 to 10 weight parts of polyethylene glycol, 3 to 5 weight parts of poly ethylene glycol distearate, 6 to 9 weight parts of alkyl diethanol amide and 8 to 12 weight parts of polyvinyl alcohol; performing high-speed uniform stirring; then, adding 6 to 8 weight parts of foaming agents, 5 to 7 weight parts of pore forming agents, 12 to 18 weight parts of curing agents and 3 to 10 weight parts of propylene glycol; performing uniform mixing; next, performing foaming for 1 min at a microwave foaming furnace with the temperature being 100 DEG C, the frequency being 2450 MHz and the power being 2KW; then, performing curing shaping for 2h in a baking oven being 200 DEG C to obtain the melamine foam cotton. The prepared melamine foam cotton has excellent compression performance, anti-tension performance, heat-resistant performance and fire resistance performance, and has the advantages that the structure is uniform; the aperture ratio is high; the brittleness is low; the flexibility is high; the differentiation rate is low.

Description

technical field [0001] The invention belongs to the technical field of melamine-formaldehyde resin materials, and in particular relates to a preparation method of melamine foam. Background technique [0002] Melamine formaldehyde resin, also known as melamine resin, is a polymer obtained by the reaction of melamine and formaldehyde. Melamine resin is a new type of thermosetting plastic, which has many advantages such as non-toxic, tasteless, corrosion resistance and high temperature resistance. It has compact molecular structure, good processability, stable size, and smooth product appearance. It is widely used in daily necessities, machinery, electronics and other industries. [0003] Melamine-formaldehyde resin foam is a foam made of melamine-formaldehyde resin as a matrix through a special foaming process. Without adding any flame retardant, melamine-formaldehyde resin foam burns quickly and carbonizes without dripping , At the same time, the inert gas generated by the ...

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
IPC IPC(8): C08L61/28C08L29/04C08J9/14
CPCC08J9/141C08J9/148C08J2203/14C08J2203/144C08J2361/28C08J2429/04
Inventor 李福典李福印
Owner 郑州峰泰纳米材料有限公司
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