阅读说明：本技术 一种阻燃性能好的树脂泡沫及其制备方法 (Resin foam with good flame retardant property and preparation method thereof ) 是由 龚有成 于 2019-08-27 设计创作，主要内容包括：本发明公开了一种阻燃性能好的树脂泡沫及其制备方法,本发明其原料按重量份比包括：PFF聚乙烯材料30-40份、三聚氰胺甲醛树脂10-20份、脲醛树脂10-20份、酚醛树脂10-20份、玻璃纤维5-10份、聚乙二醇5-10份、氨基甲酸酯5-10份、表面活性剂1-5份、固化剂1-5份、发泡剂1-5份和去离子水余量,本发明涉及建材技术领域。该阻燃性能好的树脂泡沫及其制备方法,可实现大大提高树脂泡沫的阻燃性能,在发生火灾后可大大降低燃烧速度,不会产生大量有毒气体和烟气,很好的实现了对树脂泡沫的成份进行改进,来增强树脂泡沫的阻燃性能,达到了在增强树脂泡沫阻燃性的同时,减少树脂泡沫有毒物质释放的目的,很好的避免了树脂泡沫对人们的身体健康造成危害。(The invention discloses a resin foam with good flame retardant property and a preparation method thereof, wherein the resin foam comprises the following raw materials in parts by weight: the building material comprises, by weight, 30-40 parts of a PFF polyethylene material, 10-20 parts of melamine formaldehyde resin, 10-20 parts of urea formaldehyde resin, 10-20 parts of phenolic resin, 5-10 parts of glass fiber, 5-10 parts of polyethylene glycol, 5-10 parts of carbamate, 1-5 parts of a surfactant, 1-5 parts of a curing agent, 1-5 parts of a foaming agent and the balance of deionized water. The resin foam with good flame retardant property and the preparation method thereof can greatly improve the flame retardant property of the resin foam, can greatly reduce the burning speed after a fire disaster occurs, can not generate a large amount of toxic gas and smoke, well realizes the improvement of the components of the resin foam to enhance the flame retardant property of the resin foam, achieves the aim of reducing the release of toxic substances of the resin foam while enhancing the flame retardant property of the resin foam, and well avoids the harm of the resin foam to the health of people.)

1. A resin foam with good flame retardant property is characterized in that: the raw materials comprise the following components in parts by weight: 30-40 parts of PFF polyethylene material, 10-20 parts of melamine formaldehyde resin, 10-20 parts of urea-formaldehyde resin, 10-20 parts of phenolic resin, 5-10 parts of glass fiber, 5-10 parts of polyethylene glycol, 5-10 parts of carbamate, 1-5 parts of surfactant, 1-5 parts of curing agent, 1-5 parts of foaming agent and the balance of deionized water.

2. The resin foam with good flame retardant property as claimed in claim 1, wherein: the raw materials comprise the following components: 35 parts of PFF polyethylene material, 15 parts of melamine formaldehyde resin, 15 parts of urea formaldehyde resin, 15 parts of phenolic resin, 7 parts of glass fiber, 7 parts of polyethylene glycol, 7 parts of carbamate, 3 parts of surfactant, 3 parts of curing agent, 3 parts of foaming agent and the balance of deionized water.

3. The resin foam with good flame retardant property as claimed in claim 1, wherein: the raw materials comprise the following components: 30 parts of PFF polyethylene material, 10 parts of melamine formaldehyde resin, 10 parts of urea-formaldehyde resin, 10 parts of phenolic resin, 5 parts of glass fiber, 5 parts of polyethylene glycol, 5 parts of carbamate, 1 part of surfactant, 1 part of curing agent, 1 part of foaming agent and the balance of deionized water.

4. The resin foam with good flame retardant property as claimed in claim 1, wherein: the raw materials comprise the following components: 40 parts of PFF polyethylene material, 20 parts of melamine formaldehyde resin, 20 parts of urea-formaldehyde resin, 20 parts of phenolic resin, 10 parts of glass fiber, 10 parts of polyethylene glycol, 10 parts of carbamate, 5 parts of surfactant, 5 parts of curing agent, 5 parts of foaming agent and the balance of deionized water.

5. The resin foam with good flame retardant property according to any one of claims 1 to 4, wherein: the curing agent is one or a combination of more of hexamethylenetetramine, vinyl triamine, methylene dicyclohexyl amine or methylamino propylamine.

6. The resin foam with good flame retardant property according to any one of claims 1 to 4, wherein: the foaming agent is one or a combination of more of n-pentane, petroleum ether or dichlorotetrafluoroethane.

7. The resin foam with good flame retardant property according to any one of claims 1 to 4, wherein: the surfactant is one or more of alkyl glucoside, fatty glyceride or sodium dodecyl benzene sulfonate.

8. The resin foam with good flame retardant property according to any one of claims 1 to 7, wherein: the preparation method specifically comprises the following steps:

s1, firstly, sequentially adding the selected PFF polyethylene material, melamine formaldehyde resin, urea formaldehyde resin and phenolic resin into a mixing stirrer, then adding deionized water in corresponding proportion, and stirring for 20-30min at the rotation speed of 500-600r/min and the temperature of 28-35 ℃ to obtain a resin matrix raw material;

s2, pouring the selected glass fiber, polyethylene glycol and carbamate into the mixing stirrer in the step S1 in sequence, adding the rest deionized water, and stirring for 30-40min at the rotating speed of 600-700r/min and the temperature of 28-35 ℃ to obtain the modified resin matrix raw material:

s3, pouring the selected curing agent into the modified resin matrix raw material obtained in the step S2, stirring for 1-2h at the rotation speed of 700-;

and S4, packaging the finished flame-retardant resin foam product obtained in the step S3, and then selling or warehousing for storage.

Technical Field

The invention relates to the technical field of building materials, in particular to resin foam with good flame retardant property and a preparation method thereof.

Background

The resin foam is a high molecular material formed by dispersing a large number of gas micropores in solid plastics, has the characteristics of light weight, heat insulation, sound absorption and shock absorption, etc., and its dielectric property is superior to that of matrix resin, and its application range is very extensive, and almost all plastics can be made into foamed plastics, and its foaming formation has become an important field in plastics processing The medium-foaming and high-foaming plastic foam has the density of more than 0.4g/cm3, the density of 0.1-0.4g/cm3, the density of less than 0.1g/cm3 and the foam is a polymer material which takes plastic as a basic component and contains a large number of bubbles, so the medium-foaming and high-foaming plastic foam is also a composite plastic which takes gas as a filler and has a plurality of excellent properties such as light weight, high specific strength, good impact load absorption, good heat insulation and sound insulation properties and the like compared with pure plastic, thereby being widely applied in the fields of industry, agriculture, building, transportation and the like, and the foam has increasingly wide application and continuous variety since the advent.

The existing resin foam has poor flame retardance, is fast to burn after a fire disaster happens, can generate a large amount of toxic gas and smoke, cannot improve the components of the resin foam to enhance the flame retardant property of the resin foam, cannot achieve the aim of reducing the release of toxic substances of the resin foam while enhancing the flame retardance of the resin foam, cannot avoid the harm of the resin foam to the health of people, and is very unfavorable for people to use the resin foam.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the resin foam with good flame retardant property and the preparation method thereof, and solves the problems that the existing resin foam has poor flame retardant property, can burn quickly after a fire disaster happens, can generate a large amount of toxic gas and smoke, can not improve the components of the resin foam to enhance the flame retardant property of the resin foam, can not achieve the purpose of reducing the release of toxic substances of the resin foam while enhancing the flame retardant property of the resin foam, and can not avoid the harm of the resin foam to the health of people.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the resin foam with good flame retardant property comprises the following raw materials in parts by weight: 30-40 parts of PFF polyethylene material, 10-20 parts of melamine formaldehyde resin, 10-20 parts of urea-formaldehyde resin, 10-20 parts of phenolic resin, 5-10 parts of glass fiber, 5-10 parts of polyethylene glycol, 5-10 parts of carbamate, 1-5 parts of surfactant, 1-5 parts of curing agent, 1-5 parts of foaming agent and the balance of deionized water.

Preferably, the raw materials comprise the following components: 35 parts of PFF polyethylene material, 15 parts of melamine formaldehyde resin, 15 parts of urea formaldehyde resin, 15 parts of phenolic resin, 7 parts of glass fiber, 7 parts of polyethylene glycol, 7 parts of carbamate, 3 parts of surfactant, 3 parts of curing agent, 3 parts of foaming agent and the balance of deionized water.

Preferably, the raw materials comprise the following components: 30 parts of PFF polyethylene material, 10 parts of melamine formaldehyde resin, 10 parts of urea-formaldehyde resin, 10 parts of phenolic resin, 5 parts of glass fiber, 5 parts of polyethylene glycol, 5 parts of carbamate, 1 part of surfactant, 1 part of curing agent, 1 part of foaming agent and the balance of deionized water.

Preferably, the raw materials comprise the following components: 40 parts of PFF polyethylene material, 20 parts of melamine formaldehyde resin, 20 parts of urea-formaldehyde resin, 20 parts of phenolic resin, 10 parts of glass fiber, 10 parts of polyethylene glycol, 10 parts of carbamate, 5 parts of surfactant, 5 parts of curing agent, 5 parts of foaming agent and the balance of deionized water.

Preferably, the curing agent is one or more of hexamethylenetetramine, vinyltriamine, methylenedicyclohexylamine or methylaminopropylamine.

Preferably, the foaming agent is one or more of n-pentane, petroleum ether or dichlorotetrafluoroethane.

Preferably, the surfactant is one or more of alkyl glucoside, fatty glyceride or sodium dodecyl benzene sulfonate.

The invention also discloses a preparation method of the resin foam with good flame retardant property, which comprises the following steps:

s1, firstly, sequentially adding the selected PFF polyethylene material, melamine formaldehyde resin, urea formaldehyde resin and phenolic resin into a mixing stirrer, then adding deionized water in corresponding proportion, and stirring for 20-30min at the rotation speed of 500-600r/min and the temperature of 28-35 ℃ to obtain a resin matrix raw material;

s2, pouring the selected glass fiber, polyethylene glycol and carbamate into the mixing stirrer in the step S1 in sequence, adding the rest deionized water, and stirring for 30-40min at the rotating speed of 600-700r/min and the temperature of 28-35 ℃ to obtain the modified resin matrix raw material:

s3, pouring the selected curing agent into the modified resin matrix raw material obtained in the step S2, stirring for 1-2h at the rotation speed of 700-;

and S4, packaging the finished flame-retardant resin foam product obtained in the step S3, and then selling or warehousing for storage.

(III) advantageous effects

The invention provides resin foam with good flame retardant property and a preparation method thereof. Compared with the prior art, the method has the following beneficial effects: the resin foam with good flame retardant property and the preparation method thereof comprise the following raw materials in parts by weight: 30-40 parts of PFF polyethylene material, 10-20 parts of melamine formaldehyde resin, 10-20 parts of urea-formaldehyde resin, 10-20 parts of phenolic resin, 5-10 parts of glass fiber, 5-10 parts of polyethylene glycol, 5-10 parts of carbamate, 1-5 parts of surfactant, 1-5 parts of curing agent, 1-5 parts of foaming agent and the balance of deionized water, and the preparation method specifically comprises the following steps: s1, firstly, sequentially adding the selected PFF polyethylene material, melamine formaldehyde resin, urea formaldehyde resin and phenolic resin into a mixing stirrer, then adding corresponding proportion of deionized water, stirring for 20-30min at the rotation speed of 500-600r/min and the temperature of 28-35 ℃ to obtain a resin matrix raw material, S2, sequentially pouring the selected glass fiber, polyethylene glycol and carbamate into the mixing stirrer of the step S1, then adding the rest deionized water, stirring for 30-40min at the rotation speed of 600-700r/min and the temperature of 28-35 ℃ to obtain a modified resin matrix raw material, S3, pouring the selected curing agent into the modified resin matrix raw material obtained in the step S2, stirring for 1-2h at the rotation speed of 700-800r/min and the temperature of 28-35 ℃, then the selected surfactant and the foaming agent are sequentially added into a mixing stirrer and stirred for 2-3h at the rotating speed of 800-, obtaining a finished product of the flame-retardant resin foam, S4, packaging the finished product of the flame-retardant resin foam obtained in the step S3, then can be sold or put in storage for storage, can greatly improve the flame retardant property of the resin foam, after fire disaster occurs, the combustion speed can be greatly reduced, a large amount of toxic gas and smoke gas can not be generated, the components of the resin foam are well improved, the flame retardant property of the resin foam is enhanced, and simultaneously, the aim of reducing the release of toxic substances in the resin foam is achieved, and the harm of the resin foam to the health of people is well avoided, so that the resin foam is very beneficial to the use of people.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the invention provides three technical schemes: a preparation method of resin foam with good flame retardant property specifically comprises the following embodiments: