CN111732813A - High-temperature-resistant closed-cell foam and preparation method thereof - Google Patents
High-temperature-resistant closed-cell foam and preparation method thereof Download PDFInfo
- Publication number
- CN111732813A CN111732813A CN202010423797.1A CN202010423797A CN111732813A CN 111732813 A CN111732813 A CN 111732813A CN 202010423797 A CN202010423797 A CN 202010423797A CN 111732813 A CN111732813 A CN 111732813A
- Authority
- CN
- China
- Prior art keywords
- cell foam
- parts
- resistant closed
- agent
- epoxy resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/141—Hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2205/00—Foams characterised by their properties
- C08J2205/04—Foams characterised by their properties characterised by the foam pores
- C08J2205/052—Closed cells, i.e. more than 50% of the pores are closed
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2361/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2361/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
- C08J2363/02—Polyglycidyl ethers of bis-phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2461/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2461/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
- C08J2463/02—Polyglycidyl ethers of bis-phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2481/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
- C08J2481/04—Polysulfides
Abstract
The invention discloses high-temperature-resistant closed-cell foam and a preparation method thereof, wherein the high-temperature-resistant closed-cell foam comprises 2-40 parts by weight of phenolic resin, 1-20 parts by weight of toughening agent and 1-20 parts by weight of foaming agent. The material is prepared by the steps of mixing, preforming, heating, foaming, crosslinking, subsequent treatment and the like. The high-temperature resistant closed-cell foam provided by the invention has the density of 0.01g/cm3～0.5 g/cm3At the mostThe large resilience is not less than 2 percent, and the material can bear the damp heat under the condition of 60 ℃ and saturated humidity without obvious deformation.
Description
Technical Field
The invention belongs to the technical field of foam materials and preparation thereof, relates to a closed-cell foam and a preparation method thereof, and particularly relates to a high-temperature-resistant and high-humidity-resistant closed-cell foam material applied to an unmanned aerial vehicle core material.
Background
Foam is one of the most commonly used core materials, currently the main varieties being polyvinyl chloride (PVC), Polyurethane (PU), Polystyrene (PS), Polymethacrylimide (PMI), Polyetherimide (PEI) and acrylonitrile-styrene (SAN or AS), with a density of from 5kg/m3To 300kg/m3Are not equal. Foams used, usually in compositesThe density is 20kg/m3-200kg/m3In the meantime. Because the foam material has the process characteristics of watertight property, floating property and integrally filling the cavities of the internal structures of the wings and the empennage, the foam is commonly applied to the body structure of the unmanned aerial vehicle as a core material, and the wings and the empennage of the unmanned aerial vehicle with the fully-filled foam sandwich structure are undoubtedly the most typical application.
But as the foam material of unmanned aerial vehicle core material application, need better resilience promptly, need endure certain temperature again simultaneously and do not take place to warp. In the traditional foam, PP foam, polyurethane foam and the like have good rebound resilience, but the problems of foam collapse, deformation and the like can occur under the condition of high temperature and damp heat, and the use of a foam core material can be directly influenced seriously.
Disclosure of Invention
The invention provides high-temperature-resistant closed-cell foam and a preparation method thereof, and aims to solve the problems that foam collapse, deformation and the like can occur in the existing foam material under the conditions of high temperature, humidity and heat.
The invention firstly provides high-temperature-resistant closed-cell foam which comprises 2-40 parts of phenolic resin, 1-20 parts of toughening agent and 1-20 parts of foaming agent by weight.
Optionally, the phenolic resin is one or a combination of more than two of barium phenolic resin, magnesium phenolic resin and ammonia phenolic resin.
Optionally, the toughening agent is any one of polyacrylate, nitrile rubber, polysulfide rubber and monofunctional epoxy resin.
Optionally, the blowing agent is any one of an alkane blowing agent and a chemical blowing agent.
Optionally, the adhesive also comprises an epoxy resin, and the weight part is not more than 20 parts.
Optionally, the coating also comprises a curing agent, and the weight part of the curing agent is not more than 5 parts.
Optionally, the epoxy resin is one or a combination of two or more of bisphenol a type epoxy resin, bisphenol F type epoxy resin, polyether epoxy resin and novolac epoxy resin.
Optionally, the curing agent is dicyandiamide.
The high-temperature-resistant closed-cell foam provided by the invention has the density of 0.01g/cm3～0.5 g/cm3The maximum resilience is not less than 2%, and the material can withstand the damp heat under the condition of 60 ℃ and saturated humidity without obvious deformation.
The invention also provides a preparation method of the high-temperature-resistant closed-cell foam, which comprises the following steps of weighing the phenolic resin, the toughening agent and the foaming agent in parts by weight:
s1, mixing: simultaneously or sequentially putting into a container for manual or mechanical mixing;
s2, preforming: forming the mixed premix into a sheet material in a film coating or tabletting mode, or forming the mixed premix into a powdery material by rolling;
s3, crosslinking: weighing preformed flaky or powdery materials, putting the materials into a mold, heating and preserving heat until the foam materials are foamed and crosslinked;
and S4, curing the cross-linked foam material, and post-curing at a certain temperature.
Optionally, alcohol is added in the preforming process to adjust the viscosity of the mixture, the heating temperature of the crosslinking is 120-180 ℃, and the post-curing treatment temperature is 150-200 ℃.
The preparation method of the high-temperature-resistant closed-cell foam provided by the invention comprises the steps of mixing, preforming, crosslinking and curing, and is simple in process and easy to implement.
Detailed Description
The present invention will be described in detail with reference to examples.
Example 1
A high-temp closed-cell foam is prepared from phenolic resin, epoxy resin, solidifying agent, toughening agent and foaming agent.
And (3) mixing in the first step.
The preparation method comprises the following steps of fully mixing 20 parts of barium phenolic resin, 20 parts of E44 epoxy resin, 4 parts of dicyandiamide curing agent, 6 parts of polysulfide rubber toughening agent and 10 parts of foaming agent. The foaming agent is an acrylate copolymer foaming agent.
And performing in a second step. And performing the mixed mixture into mixed powder by a kneading method.
And thirdly, heating, foaming and crosslinking. And (3) putting the preformed powder into a mold, and heating to 130 ℃ for curing and crosslinking for 1 h.
And fourthly, post-processing. The foam together with the mold is post-treated at 180 ℃. After cooling to room temperature, the mold was opened and the foam was removed.
The obtained closed-cell foam has the density of 0.15-0.5 g/cm3The heat resistance temperature is 180 ℃, and the compressive strength is more than 3 MPa. The maximum resilience is not less than 1 percent, and the material can bear the damp heat under the condition of 60 ℃ and saturated humidity without obvious deformation.
Example 2
A high-temperature resistant closed-cell foam is composed of phenolic resin, toughening agent and foaming agent. The foam material is formed after mixing, preforming, foaming and curing.
The method comprises the following specific steps:
the first step of mixing, weighing 10 parts of barium phenolic resin, 10 parts of polyacrylate toughening agent and 20 parts of acrylate copolymer, and fully mixing.
And performing in a second step. Adding alcohol into the mixed mixture, and forming into sheets in a film coating mode.
And thirdly, heating, foaming and crosslinking. And (3) placing the preformed sheet into a mold, and heating to 180 ℃ for curing and crosslinking.
And fourthly, post-processing. The foam together with the mold was post-treated at 200 ℃. After cooling to room temperature, the mold was opened and the foam was removed.
The obtained closed-cell foam has the density of 0.015-0.035 g/cm3The heat resistance temperature is 180 ℃, and the compressive strength is more than 1 MPa. The maximum resilience is not less than 2 percent, and the material can bear 60 ℃ and does not deform obviously under the saturated humidity condition.
Example 3
A high-temp closed-cell foam is prepared from phenolic resin, epoxy resin, solidifying agent, toughening agent and foaming agent.
And (3) mixing in the first step.
The barium-phenolic resin 20 parts, the E51 epoxy resin 10 parts, the dicyandiamide curing agent 2 parts, the polysulfide rubber 6 parts and the acrylate copolymer 20 parts are fully mixed.
And performing in a second step. And performing the mixed mixture into mixed powder by a kneading method.
And thirdly, heating, foaming and crosslinking. And (3) putting the preformed powder into a mold, and heating to 130 ℃ for curing and crosslinking for 1 h.
And fourthly, post-processing. The foam together with the mold is post-treated at 180 ℃. After cooling to room temperature, the mold was opened and the foam was removed.
The obtained closed-cell foam has the density of 0.03-0.15 g/cm3The heat resistance temperature is 180 ℃, and the compressive strength is more than 2 MPa. The maximum resilience is not less than 1 percent, and the material can bear the damp heat under the condition of 60 ℃ and saturated humidity without obvious deformation.
Example 4
A high-temp closed-cell foam is prepared from phenolic resin, epoxy resin, solidifying agent, toughening agent and foaming agent.
And (3) mixing in the first step.
40 parts of magnesium phenolic resin, 20 parts of E51 epoxy resin, 5 parts of dicyandiamide curing agent, 20 parts of polysulfide rubber and 20 parts of acrylate copolymer foaming agent are fully mixed.
And performing in a second step. And performing the mixed mixture into mixed powder by a kneading method.
And thirdly, heating, foaming and crosslinking. And (3) putting the preformed powder into a mold, and heating to 180 ℃ for curing and crosslinking for 1 h.
And fourthly, post-processing. The foam together with the mold is post-treated at 150 ℃. After cooling to room temperature, the mold was opened and the foam was removed.
The obtained closed-cell foam has a density of 0.1-0.25 g/cm3The heat resistance temperature is 180 ℃, and the compressive strength is more than 3 MPa. The maximum resilience is not less than 0.8 percent, and the material can bear 60 ℃ and does not deform obviously under the saturated humidity condition.
Example 5
A high-temp closed-cell foam is prepared from phenolic resin, epoxy resin, solidifying agent, toughening agent and foaming agent.
And (3) mixing in the first step.
2 parts of magnesium phenolic resin, 12 parts of E51 epoxy resin, 3 parts of dicyandiamide curing agent, 1 part of polysulfide rubber and 1 part of acrylate copolymer foaming agent are sequentially put into a container for mechanical mixing.
And performing in a second step. And forming the mixed mixture into a sheet material in a coating mode.
And thirdly, heating, foaming and crosslinking. And (3) putting the preformed sheet material into a mold, and heating to 120 ℃ for curing and crosslinking for 1 h.
And fourthly, post-processing. The foam together with the mold was post-treated at 200 ℃. After cooling to room temperature, the mold was opened and the foam was removed.
The obtained closed-cell foam has a density of 0.3-0.5 g/cm3The heat-resisting temperature is 180 ℃, and the compressive strength is more than 6 MPa. The maximum resilience is not less than 0.5 percent, and the material can bear 60 ℃ and does not deform obviously under the saturated humidity condition.
The foam prepared by the embodiment has the density of 0.015-0.5 g/cm3The heat-resisting temperature is 180 ℃, and the compressive strength is 1-6 MPa. The maximum resilience is 0.5-2%, and the material can withstand the damp heat at 60 ℃ under the saturated humidity condition without obvious deformation.
Claims (10)
1. The high-temperature-resistant closed-cell foam is characterized by comprising 2-40 parts by weight of phenolic resin, 1-20 parts by weight of toughening agent and 1-20 parts by weight of foaming agent.
2. The high temperature resistant closed cell foam of claim 1, wherein the phenolic resin is one or a combination of two or more of barium phenolic resin, magnesium phenolic resin, and ammonia phenolic resin.
3. The high temperature resistant closed cell foam of claim 1, wherein the toughening agent is any one of polyacrylate, nitrile rubber, polysulfide rubber, and monofunctional epoxy resin.
4. The high temperature resistant closed cell foam of claim 1, wherein the blowing agent is any one of an alkane blowing agent and a chemical blowing agent.
5. The high temperature resistant closed cell foam of claim 1, further comprising an epoxy resin in an amount of up to 20 parts by weight.
6. The high temperature resistant closed cell foam of claim 5, further comprising a curing agent in an amount of no more than 5 parts by weight.
7. The high temperature resistant closed cell foam of claim 5, wherein the epoxy resin is one or a combination of two or more of bisphenol A epoxy resin, bisphenol F epoxy resin, polyether epoxy resin, and novolac epoxy resin.
8. The high temperature resistant closed cell foam of claim 6, wherein the curing agent is dicyandiamide.
9. A preparation method of high-temperature-resistant closed-cell foam is characterized by comprising the following steps: weighing phenolic resin, a toughening agent and a foaming agent according to parts by weight,
s1, mixing: simultaneously or sequentially putting into a container for manual or mechanical mixing;
s2, preforming: forming the mixed premix into a sheet material in a film coating or tabletting mode, or forming the mixed premix into a powdery material by rolling;
s3, crosslinking: weighing preformed flaky or powdery materials, putting the materials into a mold, heating and preserving heat until the foam materials are foamed and crosslinked;
and S4, curing the cross-linked foam material, and post-curing at a certain temperature.
10. A method of preparing a high temperature resistant closed cell foam as claimed in claim 9 wherein: the post-curing treatment temperature is 150-200 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010423797.1A CN111732813A (en) | 2020-05-19 | 2020-05-19 | High-temperature-resistant closed-cell foam and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010423797.1A CN111732813A (en) | 2020-05-19 | 2020-05-19 | High-temperature-resistant closed-cell foam and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111732813A true CN111732813A (en) | 2020-10-02 |
Family
ID=72647425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010423797.1A Pending CN111732813A (en) | 2020-05-19 | 2020-05-19 | High-temperature-resistant closed-cell foam and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111732813A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1222228A1 (en) * | 1999-10-20 | 2002-07-17 | Kingspan Industrial Insulation Limited | Cellular plastic material based on phenolic resin |
| DE10302298A1 (en) * | 2003-01-22 | 2004-08-05 | Henkel Kgaa | Heat-curable, thermally expandable composition with a high degree of expansion |
| CN101076557A (en) * | 2004-12-23 | 2007-11-21 | 金斯潘控股有限公司 | Tough-increased phenolic foam |
| CN101148515A (en) * | 2007-09-12 | 2008-03-26 | 北京莱恩斯涂料有限公司 | Composite pnenolic aldehyde foam heat-insulating board for building and forming method thereof |
| CN101802088A (en) * | 2006-06-07 | 2010-08-11 | 汉高股份及两合公司 | foamable compositions based on epoxy resins and polyesters |
| CN103289309A (en) * | 2012-02-28 | 2013-09-11 | 营口象圆新材料工程技术有限公司 | Method for toughening modified phenolic foamed plastic by adopting flexible epoxide resin |
| CN105315612A (en) * | 2015-11-06 | 2016-02-10 | 芜湖市伟华泡塑有限公司 | High-inflaming-retarding modified phenolic resin foamed plastic and preparation method thereof |
| CN107129647A (en) * | 2017-06-23 | 2017-09-05 | 广西南宁桂尔创环保科技有限公司 | A kind of fire-retardant degradable environmental protection macromolecule foamed material and preparation method thereof |
| CN107778766A (en) * | 2017-11-21 | 2018-03-09 | 南宁可煜能源科技有限公司 | A kind of phenolic aldehyde foam thermal insulation material for flat-plate solar collector |
-
2020
- 2020-05-19 CN CN202010423797.1A patent/CN111732813A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1222228A1 (en) * | 1999-10-20 | 2002-07-17 | Kingspan Industrial Insulation Limited | Cellular plastic material based on phenolic resin |
| DE10302298A1 (en) * | 2003-01-22 | 2004-08-05 | Henkel Kgaa | Heat-curable, thermally expandable composition with a high degree of expansion |
| CN101076557A (en) * | 2004-12-23 | 2007-11-21 | 金斯潘控股有限公司 | Tough-increased phenolic foam |
| CN101802088A (en) * | 2006-06-07 | 2010-08-11 | 汉高股份及两合公司 | foamable compositions based on epoxy resins and polyesters |
| CN101148515A (en) * | 2007-09-12 | 2008-03-26 | 北京莱恩斯涂料有限公司 | Composite pnenolic aldehyde foam heat-insulating board for building and forming method thereof |
| CN103289309A (en) * | 2012-02-28 | 2013-09-11 | 营口象圆新材料工程技术有限公司 | Method for toughening modified phenolic foamed plastic by adopting flexible epoxide resin |
| CN105315612A (en) * | 2015-11-06 | 2016-02-10 | 芜湖市伟华泡塑有限公司 | High-inflaming-retarding modified phenolic resin foamed plastic and preparation method thereof |
| CN107129647A (en) * | 2017-06-23 | 2017-09-05 | 广西南宁桂尔创环保科技有限公司 | A kind of fire-retardant degradable environmental protection macromolecule foamed material and preparation method thereof |
| CN107778766A (en) * | 2017-11-21 | 2018-03-09 | 南宁可煜能源科技有限公司 | A kind of phenolic aldehyde foam thermal insulation material for flat-plate solar collector |
Non-Patent Citations (8)
| Title |
|---|
| SUI, XY，等: "Flame-retardant and mechanical properties of phenolic foams toughened with polyethylene glycol phosphates", 《POLYMERS FOR ADVANCED TECHNOLOGIES》 * |
| 孔萍，等: "《塑料材料》", 31 May 1992, 广东高等教育出版社 * |
| 曹丽云，等: "《纤维增强纳米羟基磷灰石及其生物复合材料》", 31 May 2019, 西北工业大学出版社 * |
| 李茂东，等: "环氧树脂对酚醛泡沫的改性研究", 《中国塑料》 * |
| 王光炎，等: "《建筑材料与检测》", 31 August 2017, 天津大学出版社 * |
| 苏家齐: "《塑料工业辞典》", 31 December 1989, 化学工业出版社 * |
| 裘炳毅，等，: "《现代化妆品科学与技术 上》", 31 March 2016, 中国轻工业出版社 * |
| 黄普林: "增韧阻燃酚醛泡沫的制备及性能研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4454248A (en) | Open cell rigid thermoset foams and method | |
| CN110028763B (en) | Preparation method of low-density high-rate epoxy resin microporous material | |
| CN107602794B (en) | Polyurethane seat composite material and preparation method thereof | |
| CN105367990A (en) | Heat-insulating fireproof material based on phenolic aldehyde hollow microspheres and preparation method thereof | |
| KR101028523B1 (en) | High insulation foamable polystyrene particles and method for producing same | |
| CN111320842B (en) | Novel hard aerogel foam and preparation method thereof | |
| CN108384244A (en) | Silicon rubber composite material and preparation method thereof with gradient foam structure | |
| CN103509273A (en) | Modified rigid cross-linked polyvinyl chloride foam and preparation method thereof | |
| CN113061310B (en) | Crosslinked polyvinyl chloride structural foam material and preparation method thereof | |
| CN107163220A (en) | A kind of polyurethane foam system and the refrigerator based on it | |
| CN114437544B (en) | High-temperature-resistant bismaleimide-polyimide interpenetrating structure foam material and preparation method thereof | |
| CN106117490A (en) | A kind of building polyurethane foamed material | |
| CN111732813A (en) | High-temperature-resistant closed-cell foam and preparation method thereof | |
| CN105884393A (en) | Energy-saving thermal insulation board with high flame retardancy and preparation method of thermal insulation board | |
| CN109912978B (en) | Preparation method of rubber foaming bead and rubber foam product | |
| CN105086375A (en) | Preparation method of epoxy resin microporous materials | |
| CN111454416A (en) | High-phase-change energy-storage polyurethane foam material and preparation method thereof | |
| CN106883445B (en) | Preparation method of wave-absorbing composite material based on modified graphene | |
| CN106009622A (en) | Anti-mildew silica aerogel polyurethane composite thermal insulation wall board and preparation method thereof | |
| CN112661926B (en) | High-strength antibacterial core material for color steel sandwich panel and preparation method thereof | |
| CN112592453A (en) | Hard polyurethane foam plastic with constant temperature function and preparation method thereof | |
| CN107629357A (en) | A kind of method added coal base solid waste and prepare low-density PVC cellular insulants | |
| CN106750061A (en) | A kind of synthesis of high waterproof phenolic resin and its preparation technology | |
| CN104891881B (en) | A composite nanometer thermal insulation material and a preparing method thereof | |
| CN109553796B (en) | Preparation method of polyarylether nitrile foam material with sandwich structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |