CN103992572A - Composite foam material containing thermosetting-phenolic-resin-coated waste polystyrene particles - Google Patents
Composite foam material containing thermosetting-phenolic-resin-coated waste polystyrene particles Download PDFInfo
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- CN103992572A CN103992572A CN201410235437.3A CN201410235437A CN103992572A CN 103992572 A CN103992572 A CN 103992572A CN 201410235437 A CN201410235437 A CN 201410235437A CN 103992572 A CN103992572 A CN 103992572A
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- composite foam
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- waste polystyrene
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Abstract
The invention discloses a composite foam material containing phenolic-resin-coated waste polystyrene particles and a preparation method thereof and belongs to the field of fire-retardant materials. The composite foam material comprises waste polystyrene particles and phenolic resin and comprises the following components in parts by mass: 5-20 parts of waste polystyrene particles, 10-70 parts of phenolic resin, 2-10 parts of a curing agent, 4-10 parts of a foaming agent and 5-10 parts of surfactant. The invention also discloses a preparation method of the composite foam material. The preparation method comprises the steps of uniformly coating waste polystyrene particles with phenolic resin containing the curing agent and curing at a certain temperature and pressure to obtain the composite foam material. According to the composite foam material, the problem of recycling the waste polystyrene particle foam is solved, and the problem of dropping of polystyrene in a burning process is also fundamentally solved. The composite foam plastic has the advantages of good flame retardant performance, low cost and excellent comprehensive performance and provides a new choice for an outside wall fire insulation material.
Description
Technical field
The present invention relates to a kind of waste polystyrene particle/heat-reactive phenolic resin composite foam material and preparation method thereof, belong to fire retardant material field.
Background technology
Problem is both ways deposited in the current building energy conservation of China and environment protection: on the one hand, the heat preservation and insulation of China's building is poor, and production and Energy in use are apparently higher than developed country.On the other hand, be accompanied by Chinese Urbanization progress, the municipal pollution that " white garbage " that waste plastic produces causes is quite serious, according to statistics, only Beijing will produce more than 1000 ton of discarded polyphenyl plastics every year, and " white garbage " become one of problem of urgently administering.
Waste and old granular polystyrene, as the one of pore-forming material, is widely used abroad.Because discarded granular polystyrene does not leave any residue in the process of high temperature pyrolysis, but discharge CO2 and water vapour, in lagging material, leave micropore, thereby improved the heat-insulating property of goods.
Phenolic foamed plastics is a kind of novel difficult combustion, the low cigarette lagging material of preventing fires.Its most outstanding feature is difficult combustion, low cigarette, high temperature resistance distortion.It has overcome that original porous plastics lagging material is inflammable, the shortcoming of thickness, heat distortion, has retained the features such as original porous plastics type lagging material light weight, easy construction.
Therefore use heat-reactive phenolic resin to be coated waste polystyrene particle, not only contribute to solve " white pollution " problem, increase the heat-insulating property of material, and be coated and make this kind of composite foam material reach flame retardant properties by resol, and reduce cost, technique is simple, has greatly solved the problems such as existing polystyrene type lagging material is inflammable, burning drippage, poor stability.
Summary of the invention
Drippage problem while burning for improving waste polystyrene particle problem of environmental pollution and solving insulation foamed plastic, and effectively improve its flame retardant properties, the object of the present invention is to provide a kind of waste polystyrene particle/heat-reactive phenolic resin composite foam material.
The invention provides the preparation method of above-mentioned waste polystyrene particle/heat-reactive phenolic resin composite foam material.By by compound to waste polystyrene particle and expandability heat-reactive phenolic resin, solve the recycling problem of waste polystyrene particle, and utilize the good flame retardant resistance of phenolic foamed plastics, use the way of the coated discarded granular polystyrene of expandable phenolic resin, further improve heat insulating and the environmental protection of composite foam material.
The present invention is realized by following technical proposals.
A kind of polystyrene/thermosetting resin composite foam material, described composite foam material comprises polystyrene and heat-reactive phenolic resin, fills a prescription as follows:
Waste polystyrene particle 20～90 mass parts;
Resol 10～70 mass parts;
Solidifying agent 2～10 mass parts;
Whipping agent 4～10 mass parts;
Tensio-active agent 5～10 mass parts;
Solidifying agent in described composite foam material formula comprises one or both mixtures in p-methyl benzenesulfonic acid, Sulphanilic Acid, boric acid, phosphoric acid;
Whipping agent in described composite foam material formula comprises one or both mixtures in sherwood oil, Skellysolve A.
Tensio-active agent in described composite foam material formula comprises one or both mixtures in tween 80, polysorbate60, Sodium dodecylbenzene sulfonate, OP-10.
A preparation method for waste polystyrene particle/heat-reactive phenolic resin composite foam material of the present invention, described method steps is as follows:
(1) in resin monomer, add solidifying agent, whipping agent and tensio-active agent, after mixing, obtain mixture A;
(2) after described waste polystyrene particle is evenly coated with mixture A, be cured, obtain described waste polystyrene particle/heat-reactive phenolic resin composite foam material.
Beneficial effect of the present invention
1. the invention provides a kind of waste polystyrene particle/heat-reactive phenolic resin composite foam material, described composite foam material has solved the recycling problem of waste polystyrene particle, has reached the object of environmental protection and recycling.
2. described in, composite foam material has higher flame retardant properties, and with low cost, excellent performance, for external-wall heat-insulation material provides new selection.Embodiment
Below, by embodiment, the invention will be further described.Granules of polystyrene in embodiment 1～5 is waste polystyrene particle.
Embodiment
Take above-mentioned resol 50g, and add successively 5g solidifying agent, 3g whipping agent and 2g tensio-active agent, after stirring, pour in the mould of 100mm × 100mm × 200mm that 5g waste polystyrene particle is housed, be stirred to discarded granular polystyrene simultaneously and evenly spread in resol mixture.
Said mixture is put into constant temperature and pressure case, at 70 DEG C of slaking 40min, obtain discarded granular polystyrene/resol composite foam material, when described composite foam material burning, charing only occurs, without drippage.
Take above-mentioned resol 50g, and add successively 7g solidifying agent, 5g whipping agent and 4g tensio-active agent, after stirring, pour in the mould of 100mm × 100mm × 200mm that 10g waste polystyrene particle is housed, be stirred to discarded granular polystyrene simultaneously and evenly spread in resol mixture.
Said mixture is put into constant temperature and pressure case, at 70 DEG C of slaking 40min, obtain discarded granular polystyrene/resol composite foam material, when described composite foam material burning, charing only occurs, without drippage.
Take above-mentioned resol 50g, and add successively 6g solidifying agent, 4g whipping agent and 3g tensio-active agent, after stirring, pour in the mould of 100mm × 100mm × 200mm that 15g waste polystyrene particle is housed, be stirred to discarded granular polystyrene simultaneously and evenly spread in resol mixture.
Said mixture is put into constant temperature and pressure case, at 70 DEG C of slaking 40min, obtain discarded granular polystyrene/resol composite foam material, when described composite foam material burning, charing only occurs, without drippage.
Take above-mentioned resol 50g, and add successively 5g solidifying agent, 3g whipping agent and 2g tensio-active agent, after stirring, pour in the mould of 100mm × 100mm × 200mm that 20g waste polystyrene particle is housed, be stirred to discarded granular polystyrene simultaneously and evenly spread in resol mixture.
Said mixture is put into constant temperature and pressure case, and 70 DEG C of slaking 40min, obtain discarded granular polystyrene/resol composite foam material, when described composite foam material burning, charing only occur, without drippage.
Take above-mentioned resol 50g, and add successively 5g solidifying agent, 3g whipping agent and 2g tensio-active agent, after stirring, pour in the mould of 100mm × 100mm × 200mm that 25g waste polystyrene particle is housed, be stirred to discarded granular polystyrene simultaneously and evenly spread in resol mixture.
Said mixture is put into constant temperature and pressure case, at 70 DEG C of slaking 40min, obtain waste polystyrene particle/resol composite foam material, when described composite foam material burning, charing only occurs, without drippage.
Claims (5)
1. a composite foam material for the discarded granular polystyrene that resol is coated, is characterized in that: described composite foam material comprises waste polystyrene particle and resol, and its formula is as follows:
Discarded granular polystyrene 5～20 mass parts;
Resol 10～70 mass parts;
Solidifying agent 2～10 mass parts;
Whipping agent 4～10 mass parts;
Tensio-active agent 5～10 mass parts.
2. the composite foam material of the discarded granular polystyrene that a kind of resol according to claim 1 is coated, it is characterized in that: the tensio-active agent, the whipping agent that in the formula of described composite foam material, contain are auxiliary agents, and described whipping agent comprises Skellysolve A and sherwood oil.
3. the composite foam material of the discarded granular polystyrene that a kind of resol according to claim 1 is coated, is characterized in that: described resol is heat-reactive phenolic resin.
4. the preparation method of the composite foam material of the discarded granular polystyrene that a kind of resol as claimed in claim 1 is coated, is characterized in that: described method steps is as follows:
(1) in heat-reactive phenolic resin, add solidifying agent, whipping agent and tensio-active agent, after mixing, obtain mixture A;
(2) after described waste polystyrene particle is evenly coated with mixture A, be cured moulding, obtain described waste polystyrene particle/heat-reactive phenolic resin composite foam material.
5. the preparation method of the composite foam material of the discarded granular polystyrene that a kind of resol according to claim 4 is coated, is characterized in that: in step (2), be 10～30min set time, and temperature is 60～100 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410235437.3A CN103992572A (en) | 2014-05-30 | 2014-05-30 | Composite foam material containing thermosetting-phenolic-resin-coated waste polystyrene particles |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410235437.3A CN103992572A (en) | 2014-05-30 | 2014-05-30 | Composite foam material containing thermosetting-phenolic-resin-coated waste polystyrene particles |
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| CN103992572A true CN103992572A (en) | 2014-08-20 |
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| CN201410235437.3A Pending CN103992572A (en) | 2014-05-30 | 2014-05-30 | Composite foam material containing thermosetting-phenolic-resin-coated waste polystyrene particles |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288229A (en) * | 2017-08-02 | 2017-10-24 | 合肥帧讯低温科技有限公司 | A kind of MPS foam heat-insulating board and preparation method thereof |
| CN108948551A (en) * | 2017-05-27 | 2018-12-07 | 山东圣泉新材料股份有限公司 | A kind of modified polyphenyl plate, Preparation method and use |
Citations (7)
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| CN101709136A (en) * | 2009-12-10 | 2010-05-19 | 谢建华 | Foamed phenolic resin composition |
| CN102391588A (en) * | 2011-05-26 | 2012-03-28 | 中国科学院过程工程研究所 | High-flame-retardant low-smoke-density polystyrene foam compound heat insulating material and preparation method thereof |
| CN102863706A (en) * | 2012-08-28 | 2013-01-09 | 赵毅 | Polystyrene/thermosetting resin syntactic foam and method for preparing same |
| CN102977402A (en) * | 2012-12-18 | 2013-03-20 | 辽宁工程技术大学 | Preparation method of coated halogen-free flame-retardant foamable polystyrene |
| CN103172970A (en) * | 2013-04-15 | 2013-06-26 | 山东圣泉化工股份有限公司 | Modified polystyrene foam and preparation method thereof |
| CN103483714A (en) * | 2013-09-12 | 2014-01-01 | 林百川 | Polystyrene syntactic foam and preparation method thereof |
| CN103554696A (en) * | 2013-10-25 | 2014-02-05 | 林百川 | Polystyrene/furan resin syntactic foamed plastic and preparation method thereof |
-
2014
- 2014-05-30 CN CN201410235437.3A patent/CN103992572A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709136A (en) * | 2009-12-10 | 2010-05-19 | 谢建华 | Foamed phenolic resin composition |
| CN102391588A (en) * | 2011-05-26 | 2012-03-28 | 中国科学院过程工程研究所 | High-flame-retardant low-smoke-density polystyrene foam compound heat insulating material and preparation method thereof |
| CN102863706A (en) * | 2012-08-28 | 2013-01-09 | 赵毅 | Polystyrene/thermosetting resin syntactic foam and method for preparing same |
| CN102977402A (en) * | 2012-12-18 | 2013-03-20 | 辽宁工程技术大学 | Preparation method of coated halogen-free flame-retardant foamable polystyrene |
| CN103172970A (en) * | 2013-04-15 | 2013-06-26 | 山东圣泉化工股份有限公司 | Modified polystyrene foam and preparation method thereof |
| CN103483714A (en) * | 2013-09-12 | 2014-01-01 | 林百川 | Polystyrene syntactic foam and preparation method thereof |
| CN103554696A (en) * | 2013-10-25 | 2014-02-05 | 林百川 | Polystyrene/furan resin syntactic foamed plastic and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108948551A (en) * | 2017-05-27 | 2018-12-07 | 山东圣泉新材料股份有限公司 | A kind of modified polyphenyl plate, Preparation method and use |
| CN108948551B (en) * | 2017-05-27 | 2021-05-28 | 山东圣泉新材料股份有限公司 | Modified polystyrene board, preparation method and application |
| CN107288229A (en) * | 2017-08-02 | 2017-10-24 | 合肥帧讯低温科技有限公司 | A kind of MPS foam heat-insulating board and preparation method thereof |
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Application publication date: 20140820 |