CN102924863A - Phenolic foam board and fixed-mold foaming process thereof - Google Patents
Phenolic foam board and fixed-mold foaming process thereof Download PDFInfo
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- CN102924863A CN102924863A CN 201210403868 CN201210403868A CN102924863A CN 102924863 A CN102924863 A CN 102924863A CN 201210403868 CN201210403868 CN 201210403868 CN 201210403868 A CN201210403868 A CN 201210403868A CN 102924863 A CN102924863 A CN 102924863A
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- sheet material
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- phenol formaldehyde
- phenolic foam
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Abstract
The invention discloses a phenolic foam board and a fixed-mold foaming process thereof. According to the formula, the phenolic foam board comprises the following materials (in percentage): 55-74% of phenolic aldehyde resin, 5-8% of silicone oil surfactant, 8-12% of 30-60DEG C petroleum ether serving as foaming agent, 10-15% of 400-mesh aluminums hydroxide serving as a modifying agent, 65% of oxalate or 3-10% of sulfoacid serving as curing agent. The materials are fully mixed and then foamed in a tunnel furnace; and after solidification treatment, a finished product can be obtained. Treatment by the process disclosed by the invention allows the surface of the phenolic foam board to crust, prevents the dust falling onto the surface, increases strength, and ensures uniform density, and proper pH. The crusting improves the strength, adhesive strength, thermal-insulation performance and quality stability of the board. The board is easy to produce in large scale and by standards.
Description
Technical field
The present invention relates to phenol formaldehyde foam sheet material and cover half foam process thereof, belong to phenol formaldehyde foam sheet material process for processing field.
Background technology
Oneself most of phenolic foam boards of having in the market, it mainly exists following defective: one, because lather volume is larger, in foaming process, be subjected to the impact of the factors such as gravity, cause about the foam, inside and outside density is inconsistent, the panel density difference that is shaped during cutting is larger, intensity differs; Its two because foam is large, during the high temperature foaming, heat is difficult to pass to the material heart, must realize with the consumption that improves acid, causes shaping foam PH
Be worth on the low sidely, sour residual quantity is too much; Its three, during cuts sheet material, the foam surface of cutting surfaces is destructurized, cutting surfaces produces dust formation, the knotting strength that slits during with other material binding is unstable, is difficult to and other Material cladding; The colleague now some the time employed Phonelic foam sandwich board technology, adopt the technique of continuous foamed composite color steel plate, though saved cutting action, avoided the plate surface dust formation, it is too much to exist equally sour residual quantity, has directly affected the work-ing life of matrix material.
Summary of the invention
The object of the invention just is to overcome above-mentioned deficiency, and a kind of phenol formaldehyde foam sheet material and cover half foam process thereof are provided.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of phenol formaldehyde foam sheet material and cover half foam process thereof, phenolic foam board material formula: (pressing composition per-cent)
Resol 55-74%
Silicone oil tensio-active agent 5-8%
Whipping agent 30-60 ℃ of sherwood oil 8-12%
Properties-correcting agent 400 order aluminium hydroxide 10-15%
Solidifying agent 65% oxalic acid or sulfonic acid 3-10%
Its cover half foam process:
The first step: resol and various raw material are inserted respectively the heat room insulation;
Second step: resol, tensio-active agent, whipping agent inserted stir axe and stir, add solidifying agent again, the mixture after fully stirring pours into the drying tunnel that entrucking in the mould that the size by sheet material customizes enters continuous tunnel furnace;
The 3rd step: depanning after foaming, curing, the slaking, carry out ageing treatment;
The 4th step: packing warehouse-in.
Mixing speed is at 2000-3500 rev/mins, churning time 20-40 minute.
The heat room temperature is at 18-35 ℃, and soaking time was at 15-35 hours.
Solidify in the drying tunnel, the curing time, the drying tunnel temperature of continuous tunnel furnace was in 70-130 ℃ of scope in 25-70 minute scope.
After the described technique of this employing invention; phenol formaldehyde foam sheet material surface produces from skinning, Dustless-surface, and intensity improves; and guaranteed the even density of phenol formaldehyde foam sheet material; pH value is moderate, because the surface has from skinning, thereby has improved the intensity of sheet material; cohesive strength is high; good heat insulating, steady quality is reliable, convenient realization mass-producing and standardized production.
Embodiment
The combined process flow process is described in further detail concrete complete processing of the present invention:
The first step: the resol with 60%, 6% silicone oil tensio-active agent, 10% whipping agent, 10% properties-correcting agent and 5% solidifying agent are inserted respectively the heat room insulation, and holding temperature is 30 ℃, and soaking time is 20 hours;
Second step: resol, tensio-active agent, whipping agent inserted stir axe and stirred 30 minutes with 3000 rev/mins, add again solidifying agent, and after stirring 10 minutes, mixture is poured into the drying tunnel that enters continuous tunnel furnace by entrucking in the mould of the size of sheet material customization, solidify in the drying tunnel, the curing time, the drying tunnel temperature of continuous tunnel furnace was 100 ℃ at 50 minutes;
The 3rd step: depanning after foaming, curing, the slaking, carry out ageing treatment;
The 4th step: packing warehouse-in.
Claims (4)
1. a phenol formaldehyde foam sheet material and cover half foam process thereof is characterized in that: the phenolic foam board material formula: (pressing composition per-cent)
Resol 55-74%
Silicone oil tensio-active agent 5-8%
Whipping agent 30-60 ℃ of sherwood oil 8-12%
Properties-correcting agent 400 order aluminium hydroxide 10-15%
Solidifying agent 65% oxalic acid or sulfonic acid 3-10%
Its cover half foam process:
The first step: resol and various raw material are inserted respectively the heat room insulation;
Second step: resol, tensio-active agent, whipping agent inserted stir axe and stir, add solidifying agent again, the mixture after fully stirring pours into the drying tunnel that entrucking in the mould that the size by sheet material customizes enters continuous tunnel furnace;
The 3rd step: depanning after foaming, curing, the slaking, carry out ageing treatment;
The 4th step: packing warehouse-in.
2. phenol formaldehyde foam sheet material according to claim 1 and foam process thereof is characterized in that: mixing speed is at 2000-3500 rev/mins, churning time 20-40 minute.
3. phenol formaldehyde foam sheet material according to claim 1 and foam process thereof, it is characterized in that: the heat room temperature is at 18-35 ℃, and soaking time was at 15-35 hours.
4. phenol formaldehyde foam sheet material according to claim 1 and foam process thereof is characterized in that: solidify in the drying tunnel, the curing time, the drying tunnel temperature of continuous tunnel furnace was in 70-130 ℃ of scope in 25-70 minute scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210403868 CN102924863A (en) | 2012-10-22 | 2012-10-22 | Phenolic foam board and fixed-mold foaming process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210403868 CN102924863A (en) | 2012-10-22 | 2012-10-22 | Phenolic foam board and fixed-mold foaming process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102924863A true CN102924863A (en) | 2013-02-13 |
Family
ID=47639803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210403868 Pending CN102924863A (en) | 2012-10-22 | 2012-10-22 | Phenolic foam board and fixed-mold foaming process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102924863A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103122684A (en) * | 2013-02-26 | 2013-05-29 | 张富才 | Phenolic aldehyde aluminum plastic decorating plate and manufacturing method thereof |
| CN107459769A (en) * | 2017-09-08 | 2017-12-12 | 肇庆高新区恒泰信息服务有限公司 | A kind of multifunctional thermal-insulation is incubated phenolic resin class A foam A sheet material |
-
2012
- 2012-10-22 CN CN 201210403868 patent/CN102924863A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103122684A (en) * | 2013-02-26 | 2013-05-29 | 张富才 | Phenolic aldehyde aluminum plastic decorating plate and manufacturing method thereof |
| CN107459769A (en) * | 2017-09-08 | 2017-12-12 | 肇庆高新区恒泰信息服务有限公司 | A kind of multifunctional thermal-insulation is incubated phenolic resin class A foam A sheet material |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130213 |