CN102532445A - Foaming phenolic resin and phenolic foam with foaming phenolic resin - Google Patents
Foaming phenolic resin and phenolic foam with foaming phenolic resin Download PDFInfo
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- CN102532445A CN102532445A CN2011104222981A CN201110422298A CN102532445A CN 102532445 A CN102532445 A CN 102532445A CN 2011104222981 A CN2011104222981 A CN 2011104222981A CN 201110422298 A CN201110422298 A CN 201110422298A CN 102532445 A CN102532445 A CN 102532445A
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- expansion type
- phenol
- type resol
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- phenolic resin
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Abstract
The invention discloses a foaming phenolic resin and a phenolic foam with the foaming phenolic resin, wherein the constituents of the foaming phenolic resin are as follows (in parts by weight and based on 100 parts of phenol ): 100 parts of phenol, 65-105 parts of solid formaldehyde, 5-25 parts of cashew oil, 0.5-5 parts of a catalyst, 7-25 parts of carbamide, 6-30 parts of an inorganic powder, and 1-6 parts of other modifiers. The phenolic foam with the foaming phenolic resin comprises the foaming phenolic resin, foaming agent, stabilizing agent and acid curing agent as mentioned in the claim 1. The phenolic foam is made from phenolic resin, so that the hydrophobicity of the phenolic resin is increased while the rigidity is improved.
Description
Technical field
The present invention relates to a kind of phenolic foams, particularly a kind of expansion type resol and have the phenolic foams of expansion type resol.
Background technology
It is low to adopt the phenol formaldehyde foam of resol production to have a thermal conductivity, does not fire, the characteristic of low smoke and non-toxic, low value.Phenol formaldehyde foam is existing historical for many years, is best a kind of of fire resistance in the organic insulation material.The patent No. is that the Chinese patent of CN98812037.2 proposes with a small amount of fluoroamine as whipping agent, produce heat-insulating property good, improve brittle phenol formaldehyde foam.The patent No. is the method that the USP of US6013689 proposes to utilize toughener or nucleator production closed pore phenol formaldehyde foam.The patent No. is that 200310113965.3 Chinese patent proposes use chemical method for toughening, manufacturing closed pore phenol formaldehyde foam.The patent No. is that the Chinese patent of CN 200710127849.5 is used cashew nut oil modified alkyd resin, improves resol toughness, is used to prepare copper coin.
Although phenol formaldehyde foam has advantages such as thermal conductivity is low, phenol formaldehyde foam is not widely used in insulation market, mainly is because fragility, the pulverizing problem of phenol formaldehyde foam, in the life-time service process, and the growth that thermal conductivity can be in time and increasing.Phenol formaldehyde foam was fast-developing in China in recent years, and the technology of relevant phenol formaldehyde foam modification is a lot, but a lot of technology has all been sacrificed the fire resistance of phenol formaldehyde foam in toughness reinforcing, or cost improves.
Summary of the invention
Technical problem to be solved by this invention provides a kind of expansion type resol and has the phenolic foams of expansion type resol, and it processes phenol formaldehyde foam with resol, increases flexible simultaneously, has improved the hydrophobic nature of phenol formaldehyde foam.
For solveing the technical problem; The invention provides a kind of expansion type resol; It is characterized in that; Its component is (content by weight is 100 as radix with phenol) as follows: phenol 100, solid formaldehyde 65-105, cashew nut oil 5-25, catalyzer 0.5-5, urea 7-25, inorganic powder 6-30, other properties-correcting agent 1-6.
Preferably, said catalyzer is selected from following alkaline matter: sodium hydroxide, hydrated barta, zinc oxide.
Preferably, said other properties-correcting agent are selected from following nitrogenous compound: Dyhard RU 100 or trimeric cyanamide.
Preferably, said inorganic powder is white lake, permanent white or silicon-dioxide.
The present invention also provides a kind of phenolic foams with expansion type resol, it is characterized in that, it comprises above-mentioned expansion type resol, whipping agent, stablizer, acid curing agent.
Positive progressive effect of the present invention is: the present invention processes phenol formaldehyde foam with resol, increases flexible simultaneously, has improved the hydrophobic nature of phenol formaldehyde foam.The present invention uses the method novolak resin of formaldehyde at high proportion, with a large amount of nitrogenous compounds, greatly reduces the cost of resol.The present invention uses an amount of inorganic powder to be auxiliary agent, has improved the overall performance of phenol formaldehyde foam.
Embodiment
Lift a preferred embodiment below and come the clearer the present invention that intactly explains.
The component of expansion type resol of the present invention is (content by weight is 100 as radix with phenol) as follows: phenol 100, solid formaldehyde 65-105, cashew nut oil 5-25, catalyzer 0.5-5, urea 7-25, inorganic powder 6-30, other properties-correcting agent 1-6.Catalyzer is selected from one or more in the following alkaline matter: sodium hydroxide, hydrated barta, zinc oxide etc.Cashew nut oil in the technology contains more than 80% to 100% the cardanol.Other properties-correcting agent are selected from one or more of following nitrogenous compound: Dyhard RU 100 or trimeric cyanamide.Inorganic powder is a kind of in white lake, permanent white, the silicon-dioxide.The phenolic foams that the present invention has expansion type resol comprises above-mentioned expansion type resol, whipping agent, stablizer, acid curing agent.
Embodiment one
The phenol and the solid formaldehyde mol ratio of said its synthesis modification resol of modified phenolic foam body of the present invention are 1: 1.89; The component of expansion type resol of the present invention is following: content is (content by weight is 100 as radix with phenol) by weight: solid formaldehyde 65, cashew nut oil 5; Sodium hydroxide 1; Urea 7, white lake 10, Dyhard RU 100: 1; Foaming formulation is a resol 100, and stablizer is selected silicone oil (H-203) 3 for use, and whipping agent is selected from pentane 5.5, and acid curing agent is selected from tosic acid 15.
The present invention has a step of the phenol formaldehyde foam preparation of expansion type resol and gathers as follows:
1 presses its content with phenol, cashew nut oil, catalyst mix, is heated to 75 ℃,
2 in 90 minutes, and gradation adds the Paraformaldehyde 96 of metering, 80 ℃ of reactions 30 minutes,
℃ reaction of 3 reheat to 95 was 10000cp/25 ℃ to viscosity in 60 minutes
4 cool to 80 degree adds urea and Dyhard RU 100, and aluminium hydrate powder to 45 ℃ of blowings, obtains expansion type resol fat.
5 with expansion type resol, whipping agent, stablizer mixing, adds acid curing agent and stirs, and puts into 70 ℃ of baking ovens, takes out in 15-30 minute, obtains phenolic foams of the present invention, and density is 55 kilograms every cubic metre, and shore hardness is 52.
Embodiment two
The phenol and the solid formaldehyde mol ratio of said its synthesis modification resol of modified phenolic foam body of the present invention are 1: 3.05, and the component of expansion type resol of the present invention is following: content is (content by weight is 100 as radix with phenol) by weight: solid formaldehyde 105; Cashew nut oil 25; Hydrated barta 2, urea 25, permanent white 15; Dyhard RU 100: 1, trimeric cyanamide 1; Foaming formulation is a resin 100, and stablizer is selected silicone oil (H-203) 3 for use, and whipping agent is selected from pentane 6, and acid curing agent is selected from tosic acid 18.
The present invention has a step of the phenol formaldehyde foam preparation of expansion type resol and gathers as follows:
1 presses its content with phenol, cashew nut oil, catalyst mix, is heated to 75 ℃,
2 in 90 minutes, and gradation adds the Paraformaldehyde 96 of metering, 80 ℃ of reactions 30 minutes,
℃ reaction of 3 reheat to 95 was 8000cp/25 ℃ to viscosity in 60 minutes
4 cool to 80 degree adds urea, Dyhard RU 100, trimeric cyanamide, and permanent white to 45 ℃ of blowings, obtains expansion type resol.
5 with expansion type resol, whipping agent, stablizer mixing, adds acid curing agent and stirs, and puts into 70 ℃ of baking ovens, takes out in 15-30 minute, obtains phenolic foams of the present invention, and density is 50 kilograms every cubic metre, and shore hardness is 46.
Embodiment three
The phenol and the solid formaldehyde mol ratio of said its synthesis modification resol of modified phenolic foam body of the present invention are 1: 2.33, and the component of expansion type resol of the present invention is following: content is (content by weight is 100 as radix with phenol) by weight: solid formaldehyde 80; Cashew nut oil 15; Hydrated barta 4, urea 18, silica 15; Dyhard RU 100: 1, trimeric cyanamide 1; Foaming formulation is a resin 100, and stablizer is selected silicone oil (H-203) 3 for use, and whipping agent is selected from pentane 5, and acid curing agent is selected from tosic acid 13.
The present invention has a step of the phenol formaldehyde foam preparation of expansion type resol and gathers as follows:
1 presses its content with phenol, cashew nut oil, catalyst mix, is heated to 75 ℃,
2 in 90 minutes, and gradation adds the Paraformaldehyde 96 of metering, 80 ℃ of reactions 30 minutes,
℃ reaction of 3 reheat to 95 was 10000cp/25 ℃ to viscosity in 60 minutes
4 cool to 80 degree adds urea, Dyhard RU 100, trimeric cyanamide, and silicon-dioxide to 45 ℃ of blowings, obtains expansion type resol.
5 with expansion type resol, whipping agent, stablizer mixing, adds acid curing agent and stirs, and puts into 70 ℃ of baking ovens, takes out in 15-30 minute, obtains phenolic foams, and density is 60 kilograms every cubic metre, and shore hardness is 56.
The present invention processes phenol formaldehyde foam with resol, increases flexible simultaneously, has improved the hydrophobic nature of phenol formaldehyde foam.The present invention uses the method novolak resin of formaldehyde at high proportion, with a large amount of nitrogenous compounds, greatly reduces the cost of resol.The present invention uses an amount of inorganic powder to be auxiliary agent, has improved the overall performance of phenol formaldehyde foam.
Though more than described embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, under the prerequisite that does not deviate from principle of the present invention and essence, can make numerous variations or modification to these embodiments.Therefore, protection scope of the present invention is limited appended claims.
Claims (5)
1. expansion type resol; It is characterized in that; Its component is (content by weight is 100 as radix with phenol) as follows: phenol 100, solid formaldehyde 65-105, cashew nut oil 5-25, catalyzer 0.5-5, urea 7-25, inorganic powder 6-30, other properties-correcting agent 1-6.
2. expansion type resol as claimed in claim 1 is characterized in that, said catalyzer is selected from following alkaline matter: sodium hydroxide, hydrated barta, zinc oxide.
3. expansion type resol as claimed in claim 1 is characterized in that, said other properties-correcting agent are selected from following nitrogenous compound: Dyhard RU 100 or trimeric cyanamide.
4. expansion type resol as claimed in claim 1 is characterized in that, said inorganic powder is white lake, permanent white or silicon-dioxide.
5. the phenolic foams with expansion type resol is characterized in that, it comprises the described expansion type resol of claim 1, whipping agent, stablizer, acid curing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104222981A CN102532445A (en) | 2011-12-16 | 2011-12-16 | Foaming phenolic resin and phenolic foam with foaming phenolic resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104222981A CN102532445A (en) | 2011-12-16 | 2011-12-16 | Foaming phenolic resin and phenolic foam with foaming phenolic resin |
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| CN102532445A true CN102532445A (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104222981A Pending CN102532445A (en) | 2011-12-16 | 2011-12-16 | Foaming phenolic resin and phenolic foam with foaming phenolic resin |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819638A (en) * | 2013-11-21 | 2014-05-28 | 江苏兆胜建材有限公司 | Low-viscosity expandable phenolic resin and preparation method thereof |
| CN106380559A (en) * | 2016-08-30 | 2017-02-08 | 广西慧投互联网金融服务有限公司 | Preparation method of cardanol-modified adhesive |
| CN108424610A (en) * | 2018-04-23 | 2018-08-21 | 石磊 | A kind of preparation method of flexible Anti-pressure phenolic foam |
| CN109423001A (en) * | 2017-08-31 | 2019-03-05 | 南京淳康包装有限责任公司 | A kind of fire-fighting foam and preparation method thereof applied to Fire-proof packing box |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6013689A (en) * | 1997-05-02 | 2000-01-11 | Jiffy Foam, Inc. | Method for making a closed-cell phenolic resin foam, foamable composition, and closed-cell phenolic resin foam |
| CN1563131A (en) * | 2004-04-12 | 2005-01-12 | 厦门高特高新材料有限公司 | Phenol-formaldehyde resin modified, preparation method, and application in preparing pheol formaldehyde foam |
| CN101033307A (en) * | 2006-03-10 | 2007-09-12 | 上海尖端工程材料有限公司 | Method of preparing pnenolic aldehyde foam from modified foamable phenolic resin |
-
2011
- 2011-12-16 CN CN2011104222981A patent/CN102532445A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6013689A (en) * | 1997-05-02 | 2000-01-11 | Jiffy Foam, Inc. | Method for making a closed-cell phenolic resin foam, foamable composition, and closed-cell phenolic resin foam |
| CN1563131A (en) * | 2004-04-12 | 2005-01-12 | 厦门高特高新材料有限公司 | Phenol-formaldehyde resin modified, preparation method, and application in preparing pheol formaldehyde foam |
| CN101033307A (en) * | 2006-03-10 | 2007-09-12 | 上海尖端工程材料有限公司 | Method of preparing pnenolic aldehyde foam from modified foamable phenolic resin |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819638A (en) * | 2013-11-21 | 2014-05-28 | 江苏兆胜建材有限公司 | Low-viscosity expandable phenolic resin and preparation method thereof |
| CN103819638B (en) * | 2013-11-21 | 2015-10-21 | 赢胜（江苏）节能有限公司 | Low-viscosity expandable phenolic resin and preparation method thereof |
| CN106380559A (en) * | 2016-08-30 | 2017-02-08 | 广西慧投互联网金融服务有限公司 | Preparation method of cardanol-modified adhesive |
| CN109423001A (en) * | 2017-08-31 | 2019-03-05 | 南京淳康包装有限责任公司 | A kind of fire-fighting foam and preparation method thereof applied to Fire-proof packing box |
| CN108424610A (en) * | 2018-04-23 | 2018-08-21 | 石磊 | A kind of preparation method of flexible Anti-pressure phenolic foam |
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Application publication date: 20120704 |