CN102304270A - Modified phenolic aldehyde foam plate and preparation process thereof - Google Patents
Modified phenolic aldehyde foam plate and preparation process thereof Download PDFInfo
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- CN102304270A CN102304270A CN201110195396A CN201110195396A CN102304270A CN 102304270 A CN102304270 A CN 102304270A CN 201110195396 A CN201110195396 A CN 201110195396A CN 201110195396 A CN201110195396 A CN 201110195396A CN 102304270 A CN102304270 A CN 102304270A
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Abstract
The invention provides a modified phenolic aldehyde foam plate which comprises the following components in parts by weight: 50-73 parts of modified resol, 10-12 parts of curing agent, 6-10 parts of foaming agent, 3-13 parts of surface active agent and 10-15 parts of plasticizer. The preparation process comprises the following steps: firstly, preparing the modified resol, namely, adding materials for polycondensation reaction, dehydrating and emptying; and then, producing the modified phenolic aldehyde foam plate by utilizing the prepared modified resol, namely, heating a mixed material, stamping and curing. The modified phenolic aldehyde foam plate has the characteristics of no scaling off and good toughening effect.
Description
Technical field
The invention belongs to buildings and use the lagging material technical field, specifically design a kind of phenolic foam board and preparation technology thereof of modification.
Background technology
At present; Existing phenolic foam board comprises resol, adds several kinds of expanded plastics that form through stirring, foaming, slaking such as tensio-active agent, solidifying agent, whipping agent; General resol toughness is relatively poor, so phenolic foam board has and is prone to slag property and the shortcoming that is prone to into mealiness.
Summary of the invention
In order to overcome the deficiency of above-mentioned prior art, the object of the present invention is to provide a kind of phenolic foam board and preparation technology thereof of modification, can not have slag and the good characteristics of toughening effect.
To achieve these goals, the technical scheme of the present invention's employing is: a kind of phenolic foam board of modification is made up of following component:
50～73 parts of modification resoles; 10～12 parts in solidifying agent; 6～10 parts of whipping agents; 3～13 parts in tensio-active agent; 10～15 parts in softening agent;
Described resin modified phenol resin is by phenol, formaldehyde and urethane or polyurethane prepolymer preparation;
Described tensio-active agent is a tween-80;
Described whipping agent contains urethane or polyurethane prepolymer.
A kind of preparation technology of phenolic foam board of modification comprises the steps:
At first, the resole of preparation modification, its specific practice is:
One, is that the formaldehyde of 30 ℃-40 ℃ 47～67 parts, 30 parts～40 parts of phenol, 3 parts～13 parts urethane or polyurethane prepolymer join in the reaction kettle with fusing point, pH value is remained on 1.9～2.3;
Two, carry out polycondensation; Earlier the material in the aforesaid reaction vessel is heated to boiling state, and temperature is remained on 90～100 ℃; When being 20～40s/60 ℃, promptly can be used as polycondensation end with test result;
Three, dehydration, specific practice is: dehydration, the molecular weight of resol also have slightly and increase; Carry out under in vacuum tightness for-0.5MP～1MP decompression; And with removing gradually of moisture, reaction system viscosity constantly rises, and vacuum tightness and temperature of charge are 90 ℃～100 ℃;
Four, blowing, the resole activity through modification of above-mentioned dehydration is bigger, the resole of the modification after it is synthesized, fast cooling is stored in the freezer that is not higher than 10 ℃ subsequent use;
Secondly, produce the modified phenolic foam plate with the modification resole of above-mentioned preparation, concrete process step comprises:
One, with 10～12 parts in 6～10 parts of 50～73 parts of resoles, whipping agents, the solidifying agent of modification, add 3～13 parts in tensio-active agent and 10～15 parts in softening agent mix after stirring 1～10 minute fast, temperature remains on 20 ℃～30 ℃;
Two, fill mould, the mixed solution that stirs is poured in the pre-heated mould fast;
Three, slaking, rapidly closed mould and send into 80 ℃～100 ℃ of temperature and get final product in the chamber.
The invention has the beneficial effects as follows:
Owing to added low-molecular-weight urethane or polyurethane prepolymer in the component of the present invention, its active NCO be easy to the resol molecular structure on methylol carry out chemical reaction, form poyblend.Owing to alkyd resin basedly contained flexible urethane disperse phase in mutually brittle, played very significant toughening effect, so solved phenol formaldehyde foam greatly be prone to a slag property and a difficult problem that is prone to into mealiness.
Embodiment
Below in conjunction with specific embodiment the present invention is done further explain.
Embodiment 1
A kind of phenolic foam board of modification is made up of following component:
73 parts of modification resoles; 10 parts in solidifying agent; 6 parts of whipping agents; 3 parts in tensio-active agent; 8 parts in softening agent;
Described resin modified phenol resin is by phenol, formaldehyde and polyurethane preparation;
Described tensio-active agent is a tween-80;
Described whipping agent contains urethane or polyurethane prepolymer, specifically is that resol is raw-material a kind of in component, plays toughness reinforcing effect.
Embodiment 2
A kind of phenolic foam board of modification is made up of following component:
60 parts of modification resoles; 12 parts in solidifying agent; 10 parts of whipping agents; 8 parts in tensio-active agent; 10 parts in softening agent;
Described resin modified phenol resin is by phenol, formaldehyde and polyurethane prepolymer preparation;
Described tensio-active agent is a tween-80;
Described whipping agent contains urethane or polyurethane prepolymer, specifically is that resol is raw-material a kind of in component, plays toughness reinforcing effect.
Embodiment 3
A kind of phenolic foam board of modification is made up of following component:
50 parts of modification resoles; 12 parts in solidifying agent; 10 parts of whipping agents; 13 parts in tensio-active agent; 15 parts in softening agent;
Described resin modified phenol resin is by phenol, formaldehyde and polyurethane preparation;
Described tensio-active agent is a tween-80;
Described whipping agent contains urethane or polyurethane prepolymer, specifically is that resol is raw-material a kind of in component, plays toughness reinforcing effect.
Embodiment 4
The preparation technology of a kind of modification first rank phenolic foam board comprises the steps:
At first, the resole of preparation modification, its specific practice is:
One, is that formaldehyde, 3 parts～13 parts polyurethane prepolymers of 30 ℃～40 ℃ 47～67 parts, 30 parts～40 parts of phenol join in the reaction kettle with fusing point, pH value is remained on 1.9～2.3;
Two, carry out polycondensation; Earlier the material in the aforesaid reaction vessel is heated to boiling state, and temperature is remained on 90～100 ℃; When being 20～40s/60 ℃, promptly can be used as polycondensation end with test result;
Three, dehydration, specific practice is: dehydration, the molecular weight of resol also have slightly and increase; Carry out under in vacuum tightness for-0.5MP～1MP decompression; And with removing gradually of moisture, reaction system viscosity constantly rises, and vacuum tightness and temperature of charge are 90 ℃～100 ℃;
Four, blowing, the resole activity through modification of above-mentioned dehydration is bigger, the resole of the modification after it is synthesized, fast cooling is stored in the freezer that is not higher than 10 ℃ subsequent use;
Secondly, produce the modified phenolic foam plate with the modification resole of above-mentioned preparation, concrete process step comprises:
One, with 10～12 parts in 6～10 parts of 50～73 parts of resoles, whipping agents, the solidifying agent of modification, add 3～13 parts in tensio-active agent and 10～15 parts in softening agent mix after stirring 1-10 minute fast, temperature remains on 20 ℃-30 ℃;
Two, fill mould, the mixed solution that stirs is poured in the pre-heated mould fast;
Three, slaking, rapidly closed mould and send into 80 ℃-100 ℃ of temperature and get final product in the chamber.
Embodiment 5
The preparation technology of a kind of modification first rank phenolic foam board comprises the steps:
At first, the resole of preparation modification, its specific practice is:
One, is that the formaldehyde of 47 parts, 30 parts parts of phenol of 30 ℃, 3 parts of urethane join in the reaction kettle with fusing point, pH value is remained on 1.9;
Two, carry out polycondensation; Earlier the material in the aforesaid reaction vessel is heated to boiling state, and temperature is remained on 90 ℃; When being 20s/60 ℃ with the test result, promptly can be used as polycondensation end;
Three, dehydration, specific practice is: dehydration, the molecular weight of resol also have slightly and to increase, and carry out down for-0.5MP decompression in vacuum tightness, and with the removing gradually of moisture, react the system viscosity and constantly rise, and vacuum tightness and temperature of charge are 90 ℃ ℃;
Four, blowing, above-mentioned dehydration bigger through the resole activity of modification, the resole of the modification with it after synthetic, fast cooling is stored in 0 ℃ the freezer subsequent use;
Secondly, produce the modified phenolic foam plate with the modification resole of above-mentioned preparation, concrete process step comprises:
One, with 6 parts in 10 parts of 73 parts of resoles, whipping agents, the solidifying agent of modification, add 3 parts in tensio-active agent and 8 parts in softening agent mix after stirring 10 minutes fast, temperature remains on 20 ℃;
Two, fill mould, the mixed solution that stirs is poured in the pre-heated mould fast;
Three, slaking, rapidly closed mould and send into 80 ℃ of temperature and get final product in the chamber.
Embodiment 6
The preparation technology of a kind of modification first rank phenolic foam board comprises the steps:
At first, the resole of preparation modification, its specific practice is:
One, is that formaldehyde, 6 parts of polyurethane prepolymers of 35 ℃ 67 parts, 35 parts of phenol join in the reaction kettle with fusing point, pH value is remained on 2.0;
Two, carry out polycondensation, earlier the material in the aforesaid reaction vessel is heated to boiling state, and temperature is remained on 95 ℃; When being 30s/60 ℃ with the test result, promptly can be used as polycondensation end;
Three, dehydration, specific practice is: dehydration, the molecular weight of resol also have slightly and to increase, and are that the 0.5MP decompression is carried out down in vacuum tightness, and with the removing gradually of moisture, react the system viscosity and constantly rise, and vacuum tightness and temperature of charge are 95 ℃;
Four, blowing, above-mentioned dehydration bigger through the resole activity of modification, the resole of the modification with it after synthetic, fast cooling is stored in-0.5 ℃ the freezer subsequent use;
Secondly, produce the modified phenolic foam plate with the modification resole of above-mentioned preparation, concrete process step comprises:
One, with 10 parts in 12 parts of 60 parts of resoles, whipping agents, the solidifying agent of modification, add 8 parts in tensio-active agent and 10 parts in softening agent mix after stirring 5 minutes fast, temperature remains on 25 ℃;
Two, fill mould, the mixed solution that stirs is poured in the pre-heated mould fast;
Three, slaking, rapidly closed mould and send into 90 ℃ of temperature and get final product in the chamber.
Embodiment 7
The preparation technology of a kind of modification first rank phenolic foam board comprises the steps:
At first, the resole of preparation modification, its specific practice is:
One, is that formaldehyde, 13 parts of urethane of 40 ℃ 57 parts, 40 parts of phenol join in the reaction kettle with fusing point, pH value is remained on 2.3;
Two, carry out polycondensation; Earlier the material in the aforesaid reaction vessel is heated to boiling state, and temperature is remained on 100 ℃; When being 40s/60 ℃ with the test result, promptly can be used as polycondensation end;
Three, dehydration, specific practice is: dehydration, the molecular weight of resol also have slightly and to increase, and are that the 1MP decompression is carried out down in vacuum tightness, and with the removing gradually of moisture, react the system viscosity and constantly rise, and vacuum tightness and temperature of charge are 100 ℃;
Four, blowing, above-mentioned dehydration bigger through the resole activity of modification, the resole of the modification with it after synthetic, fast cooling is stored in 10 ℃ the freezer subsequent use;
Secondly, produce the modified phenolic foam plate with the modification resole of above-mentioned preparation, concrete process step comprises:
One, with 10 parts in 12 parts of 50 parts of resoles, whipping agents, the solidifying agent of modification, add 13 parts in tensio-active agent and 15 parts in softening agent mix after stirring 10 minutes fast, temperature remains on 30 ℃;
Two, fill mould, the mixed solution that stirs is poured in the pre-heated mould fast;
Three, slaking, rapidly closed mould and send into 100 ℃ of temperature and get final product in the chamber.
Claims (8)
1. the phenolic foam board of a modification is characterized in that, is made up of following component:
50～73 parts of modification resoles; 10～12 parts in solidifying agent; 6～10 parts of whipping agents; 3～13 parts in tensio-active agent; 10～15 parts in softening agent;
Described resin modified phenol resin is by phenol, formaldehyde and urethane or polyurethane prepolymer preparation;
Described tensio-active agent is a tween-80;
Described whipping agent contains urethane or polyurethane prepolymer.
2. the phenolic foam board of a kind of modification according to claim 1 is characterized in that, is made up of following component:
73 parts of modification resoles; 10 parts in solidifying agent; 6 parts of whipping agents; 3 parts in tensio-active agent; 8 parts in softening agent;
Described resin modified phenol resin is by phenol, formaldehyde and polyurethane preparation;
Described tensio-active agent is a tween-80;
Described whipping agent contains urethane or polyurethane prepolymer, specifically is that resol is raw-material a kind of in component, plays toughness reinforcing effect.
3. the phenolic foam board of a kind of modification according to claim 1 is characterized in that, is made up of following component:
60 parts of modification resoles; 12 parts in solidifying agent; 10 parts of whipping agents; 8 parts in tensio-active agent; 10 parts in softening agent;
Described resin modified phenol resin is by phenol, formaldehyde and polyurethane prepolymer preparation;
Described tensio-active agent is a tween-80;
Described whipping agent contains urethane or polyurethane prepolymer, specifically is that resol is raw-material a kind of in component, plays toughness reinforcing effect.
4. the phenolic foam board of a kind of modification according to claim 1 is characterized in that, is made up of following component:
50 parts of modification resoles; 12 parts in solidifying agent; 10 parts of whipping agents; 13 parts in tensio-active agent; 15 parts in softening agent;
Described resin modified phenol resin is by phenol, formaldehyde and polyurethane preparation;
Described tensio-active agent is a tween-80;
Described whipping agent contains urethane or polyurethane prepolymer, specifically is that resol is raw-material a kind of in component, plays toughness reinforcing effect.
5. the preparation technology of the first rank phenolic foam board of a modification is characterized in that, comprises the steps:
At first, the resole of preparation modification, its specific practice is:
One, is that the formaldehyde of 30 ℃-40 ℃ 47～67 parts, 30 parts～40 parts of phenol, 3 parts～13 parts urethane or polyurethane prepolymer join in the reaction kettle with fusing point, pH value is remained on 1.9～2.3;
Two, carry out polycondensation; Earlier the material in the aforesaid reaction vessel is heated to boiling state, and temperature is remained on 90～100 ℃; When being 20～40s/60 ℃, promptly can be used as polycondensation end with test result;
Three, dehydration, specific practice is: dehydration, the molecular weight of resol also have slightly and increase; Carry out under in vacuum tightness for-0.5MP～1MP decompression; And with removing gradually of moisture, reaction system viscosity constantly rises, and vacuum tightness and temperature of charge are 90 ℃～100 ℃;
Four, blowing, the resole activity through modification of above-mentioned dehydration is bigger, the resole of the modification after it is synthesized, fast cooling is stored in the freezer that is not higher than 10 ℃ subsequent use;
Secondly, produce the modified phenolic foam plate with the modification resole of above-mentioned preparation, concrete process step comprises:
One, with 10～12 parts in 6～10 parts of 50～73 parts of resoles, whipping agents, the solidifying agent of modification, add 3～13 parts in tensio-active agent and 10～15 parts in softening agent mix after stirring 1-10 minute fast, temperature remains on 20 ℃-30 ℃;
Two, fill mould, the mixed solution that stirs is poured in the pre-heated mould fast;
Three, slaking, rapidly closed mould and send into 80 ℃-100 ℃ of temperature and get final product in the chamber.
6. the preparation technology of the first rank phenolic foam board of a kind of modification according to claim 5 is characterized in that, comprises the steps:
At first, the resole of preparation modification, its specific practice is:
One, is that the formaldehyde of 47 parts, 30 parts parts of phenol of 30 ℃, 3 parts of part urethane join in the reaction kettle with fusing point, pH value is remained on 1.9;
Two, carry out polycondensation; Earlier the material in the aforesaid reaction vessel is heated to boiling state, and temperature is remained on 90 ℃; When being 20s/60 ℃ with the test result, promptly can be used as polycondensation end;
Three, dehydration, specific practice is: dehydration, the molecular weight of resol also have slightly and to increase, and carry out down for-0.5MP decompression in vacuum tightness, and with the removing gradually of moisture, react the system viscosity and constantly rise, and vacuum tightness and temperature of charge are 90 ℃ ℃;
Four, blowing, above-mentioned dehydration bigger through the resole activity of modification, the resole of the modification with it after synthetic, fast cooling is stored in 0 ℃ the freezer subsequent use;
Secondly, produce the modified phenolic foam plate with the modification resole of above-mentioned preparation, concrete process step comprises:
One, with 6 parts in 10 parts of 73 parts of resoles, whipping agents, the solidifying agent of modification, add 3 parts in tensio-active agent and 8 parts in softening agent mix after stirring 10 minutes fast, temperature remains on 20 ℃;
Two, fill mould, the mixed solution that stirs is poured in the pre-heated mould fast;
Three, slaking, rapidly closed mould and send into 80 ℃ of temperature and get final product in the chamber.
7. the preparation technology of the first rank phenolic foam board of a kind of modification according to claim 5 is characterized in that, comprises the steps:
The preparation technology of a kind of modification first rank phenolic foam board comprises the steps:
At first, the resole of preparation modification, its specific practice is:
One, is that formaldehyde, 6 parts of polyurethane prepolymers of 35 ℃ 67 parts, 35 parts of phenol join in the reaction kettle with fusing point, pH value is remained on 2.0;
Two, carry out polycondensation; Earlier the material in the aforesaid reaction vessel is heated to boiling state, and temperature is remained on 95 ℃; When being 30s/60 ℃ with the test result, promptly can be used as polycondensation end;
Three, dehydration, specific practice is: dehydration, the molecular weight of resol also have slightly and to increase, and are that the 0.5MP decompression is carried out down in vacuum tightness, and with the removing gradually of moisture, react the system viscosity and constantly rise, and vacuum tightness and temperature of charge are 95 ℃;
Four, blowing, above-mentioned dehydration bigger through the resole activity of modification, the resole of the modification with it after synthetic, fast cooling is stored in-0.5 ℃ the freezer subsequent use;
Secondly, produce the modified phenolic foam plate with the modification resole of above-mentioned preparation, concrete process step comprises:
One, with 10 parts in 12 parts of 60 parts of resoles, whipping agents, the solidifying agent of modification, add 8 parts in tensio-active agent and 10 parts in softening agent mix after stirring 5 minutes fast, temperature remains on 25 ℃;
Two, fill mould, the mixed solution that stirs is poured in the pre-heated mould fast;
Three, slaking, rapidly closed mould and send into 90 ℃ of temperature and get final product in the chamber.
8. the preparation technology of the first rank phenolic foam board of a kind of modification according to claim 5 is characterized in that, comprises the steps:
The preparation technology of a kind of modification first rank phenolic foam board comprises the steps:
At first, the resole of preparation modification, its specific practice is:
One, is that formaldehyde, 13 parts of urethane of 40 ℃ 57 parts, 40 parts of phenol join in the reaction kettle with fusing point, pH value is remained on 2.3;
Two, carry out polycondensation; Earlier the material in the aforesaid reaction vessel is heated to boiling state, and temperature is remained on 100 ℃; When being 40s/60 ℃ with the test result, promptly can be used as polycondensation end;
Three, dehydration, specific practice is: dehydration, the molecular weight of resol also have slightly and to increase, and are that the 1MP decompression is carried out down in vacuum tightness, and with the removing gradually of moisture, react the system viscosity and constantly rise, and vacuum tightness and temperature of charge are 100 ℃;
Four, blowing, above-mentioned dehydration bigger through the resole activity of modification, the resole of the modification with it after synthetic, fast cooling is stored in 10 ℃ the freezer subsequent use;
Secondly, produce the modified phenolic foam plate with the modification resole of above-mentioned preparation, concrete process step comprises:
One, with 10 parts in 12 parts of 50 parts of resoles, whipping agents, the solidifying agent of modification, add 13 parts in tensio-active agent and 15 parts in softening agent mix after stirring 10 minutes fast, temperature remains on 30 ℃;
Two, fill mould, the mixed solution that stirs is poured in the pre-heated mould fast;
Three, slaking, rapidly closed mould and send into 100 ℃ of temperature and get final product in the chamber.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110195396A CN102304270A (en) | 2011-07-13 | 2011-07-13 | Modified phenolic aldehyde foam plate and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110195396A CN102304270A (en) | 2011-07-13 | 2011-07-13 | Modified phenolic aldehyde foam plate and preparation process thereof |
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| CN102304270A true CN102304270A (en) | 2012-01-04 |
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| CN201110195396A Pending CN102304270A (en) | 2011-07-13 | 2011-07-13 | Modified phenolic aldehyde foam plate and preparation process thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103788318A (en) * | 2014-02-19 | 2014-05-14 | 哈尔滨工业大学 | Method for preparing graphene-containing phenolic foams |
| CN105601979A (en) * | 2016-01-28 | 2016-05-25 | 江南大学 | Method for preparing phenolic foam containing expanded graphite |
| CN105733177A (en) * | 2016-03-07 | 2016-07-06 | 苏州保酚环境科技有限公司 | Macromolecular fireproof foaming material with composite microstructure |
| CN107857969A (en) * | 2017-11-21 | 2018-03-30 | 广西吉宽太阳能设备有限公司 | A kind of modified phenolic foam insulation material and preparation method thereof |
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| 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 |
| CN101735553A (en) * | 2010-01-07 | 2010-06-16 | 上海雅达特种涂料有限公司 | Material for manufacturing modified phenolic fireproof insulating plate |
| CN101748811A (en) * | 2009-12-12 | 2010-06-23 | 滕州市华海新型保温材料有限公司 | Highly flame-resistant external wall heat preservation material and process for producing same |
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2011
- 2011-07-13 CN CN201110195396A patent/CN102304270A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101748811A (en) * | 2009-12-12 | 2010-06-23 | 滕州市华海新型保温材料有限公司 | Highly flame-resistant external wall heat preservation material and process for producing same |
| CN101735553A (en) * | 2010-01-07 | 2010-06-16 | 上海雅达特种涂料有限公司 | Material for manufacturing modified phenolic fireproof insulating plate |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103788318A (en) * | 2014-02-19 | 2014-05-14 | 哈尔滨工业大学 | Method for preparing graphene-containing phenolic foams |
| CN105601979A (en) * | 2016-01-28 | 2016-05-25 | 江南大学 | Method for preparing phenolic foam containing expanded graphite |
| CN105601979B (en) * | 2016-01-28 | 2018-06-19 | 江南大学 | A kind of preparation method of the phenol formaldehyde foam containing expanded graphite |
| CN105733177A (en) * | 2016-03-07 | 2016-07-06 | 苏州保酚环境科技有限公司 | Macromolecular fireproof foaming material with composite microstructure |
| CN107857969A (en) * | 2017-11-21 | 2018-03-30 | 广西吉宽太阳能设备有限公司 | A kind of modified phenolic foam insulation material and preparation method thereof |
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Application publication date: 20120104 |