CN85102211A - Phenolic foamed plastics - Google Patents
Phenolic foamed plastics Download PDFInfo
- Publication number
- CN85102211A CN85102211A CN 85102211 CN85102211A CN85102211A CN 85102211 A CN85102211 A CN 85102211A CN 85102211 CN85102211 CN 85102211 CN 85102211 A CN85102211 A CN 85102211A CN 85102211 A CN85102211 A CN 85102211A
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- China
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- weight percent
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- agent
- acid
- foamed plastics
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- 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.)
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- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A kind of phenolic foamed plastics is by resol resin, surfactant foaming agent and its properties-correcting agent are made with acid as curing agent has difficult to burn, use temperature low temperature can reach-195 ℃ of high temperature can reach 110 ℃ can be as refrigerated transport car, large ship, aircraft housing intraformational bed material, and chemical heat insulation, the acousticing heat-insulating material of the roof of buildings, wall interlayer, simultaneously also can be used for vibration isolating pad, compare characteristics such as to have price low, and use range is wide with other porous plastics.
Description
The invention belongs to porous plastics.
Phenolic foamed plastics is that the resol resin heating is promptly curable, but set time, length generally added the strong acid accelerated reaction when foaming, the heat that reaction is separated out is the basis of foaming, for the room temperature foaming system, the type of catalyzer and quantity are extremely important to the stable foam that obtains suitable performance.Weak catalyst system is not easy to provide abundant heat to cause inhomogeneous foam to produce.Cross strong catalyst system and will too solidify and produce internal stress and cause the foam cracking, foam has certain corrodibility simultaneously.The present invention considers raw material problems in conjunction with the particular case of China and reduces cost at the problems referred to above, and prescription is improved.Main points of the present invention are to adopt the nitration mixture catalyst system to reduce foamy corrodibility, and the mole ratio according to phenol, formaldehyde improves the foamy curing speed and reduced cost simultaneously.
Phenolic foamed plastics is that a kind of thermal insulation material of hard closed pore becomes thermal-flame and chemically stable foamy structure, use range low temperature can reach-195 ℃ of high temperature can reach 110 ℃, can be as refrigerated transport car, large ship, aircraft housing intraformational bed material, it has high-energy absorption (impact) characteristic, also can be used for vibration isolating pad.Phenolic foamed plastics compare with other porous plastics have price low, do not fire, characteristics such as use range is wide.
Embodiment:
1. the preparation of soluble resin
1 moles of phenol and 2.0 moles of formaldehyde (37%) and phenol weight 1.5% sodium hydroxide (basic catalyst), control reaction under suitable condition, add saturated oxalic acid solution PH=6～8 that neutralize then, 70 ℃ of solids contents coolings of reaching required of beginning to dewater (admittedly contain more than 80%, free phenol below 5%, viscosity 2000～10000CP-20 ℃).
2. foam forms
Soluble resin 100 grams
Tween
801.5 gram
3.5 milliliters of hydrochloric acid
(80%) 4 milliliter of toluenesulphonic acids
(80%) 10 milliliter of Resorcinol
Fluorine Lyons
1111 grams
Earlier with the soluble resin tween
80Fluorine Lyons
11Adding stirs, and adds acid then, is stirred to white, puts into mould, keeps 20～35 minutes down at 60 ℃, can obtain the porous plastics of different shape.
Claims (3)
1, a kind of phenolic foamed plastics is by resol resin, tensio-active agent, whipping agent and other properties-correcting agent, it is characterized in that it is to make with acid curing agent at a certain temperature.
2, a kind of according to the said phenol formaldehyde foam material of claim 1 material, it is characterized in that it contains:
1. soluble resin accounts for weight percent 100
2. the surfactant comprise weight percent 1.5
3. whipping agent accounts for weight percent 10～14
4. acid curing agent accounts for weight percent 17.5
3, a kind ofly it is characterized in that according to the said phenolic foamed plastics of claim 1 acid curing agent is hydrochloric acid, H
2SO
4, phosphoric acid, Phenylsulfonic acid, toluenesulphonic acids, Resorcinol adds in proportion and makes low corrosion nitration mixture solidifying agent, its prescription is:
Hydrochloric acid accounts for 3.5 of weight percent
Toluenesulphonic acids (80%) accounts for weight percent 4
Resorcinol (80%) accounts for weight percent 10
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85102211 CN85102211A (en) | 1985-04-01 | 1985-04-01 | Phenolic foamed plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85102211 CN85102211A (en) | 1985-04-01 | 1985-04-01 | Phenolic foamed plastics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN85102211A true CN85102211A (en) | 1986-09-17 |
Family
ID=4792339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85102211 Pending CN85102211A (en) | 1985-04-01 | 1985-04-01 | Phenolic foamed plastics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85102211A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100572707C (en) * | 2003-05-14 | 2009-12-23 | 张海舡 | Dynamic heat insulating material and preparation method |
| CN101074922B (en) * | 2006-05-15 | 2010-10-13 | 三星Sdi株式会社 | Flowing device for optics-based methanol sensor |
| CN101189289B (en) * | 2005-06-01 | 2011-04-27 | 旭有机材工业株式会社 | Expandable resol-type phenolic resin molding material and phenolic resin foam |
| CN102197072B (en) * | 2008-11-07 | 2013-08-14 | 旭化成建材株式会社 | Expandable phenolic resin composition, phenolic resin foam, and process for producing the phenolic resin foam |
-
1985
- 1985-04-01 CN CN 85102211 patent/CN85102211A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100572707C (en) * | 2003-05-14 | 2009-12-23 | 张海舡 | Dynamic heat insulating material and preparation method |
| CN101189289B (en) * | 2005-06-01 | 2011-04-27 | 旭有机材工业株式会社 | Expandable resol-type phenolic resin molding material and phenolic resin foam |
| CN101074922B (en) * | 2006-05-15 | 2010-10-13 | 三星Sdi株式会社 | Flowing device for optics-based methanol sensor |
| CN102197072B (en) * | 2008-11-07 | 2013-08-14 | 旭化成建材株式会社 | Expandable phenolic resin composition, phenolic resin foam, and process for producing the phenolic resin foam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |