CN107629190A - Solar insulated water tank modified polyurethane insulation material - Google Patents
Solar insulated water tank modified polyurethane insulation material Download PDFInfo
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- CN107629190A CN107629190A CN201710883210.3A CN201710883210A CN107629190A CN 107629190 A CN107629190 A CN 107629190A CN 201710883210 A CN201710883210 A CN 201710883210A CN 107629190 A CN107629190 A CN 107629190A
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- modified polyurethane
- polyurethane insulation
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Abstract
The invention discloses a kind of solar insulated water tank modified polyurethane insulation material, it is characterised in that includes the component of following parts by weight：80 100 parts of PPG, 100 130 parts of 4,4' methyl diphenylene diisocyanates, 25 parts of modified montmorillonoid, 25 parts of foaming agent, 0.1 0.5 parts of foam stabiliser, 0.5 3 parts of catalyst, 0.5 1 parts of crosslinking agent, 0.05 0.2 parts of dibutyl tin laurate, 0.1 1 parts of fire retardant.Basic components of the invention by optimizing polyurethane heat insulation material, modified montmorillonoid is added, the tensile strength and compression strength of polyurethane heat insulation material is enhanced, overcomes the shortcomings that foaming after-contraction is big, the thermal conductivity factor of polyurethane heat insulation material is reduced simultaneously, improves heat-insulating property；And the modified montmorillonoid and fire retardant added is so as to enhancing the fire resistance of polyurethane heat insulation material.
Description
Technical field
The present invention relates to insulation material technical field, is applied to solar water heater water tank more particularly to one kind
The modified polyurethane insulation material of insulation.
Background technology
As the energy is increasingly in short supply and the continuous increase of environmental protection pressure, countries in the world all start to push exploitation renewable energy
Source, wherein solar energy are the regenerative resource utilized and exploitation is most wide, development prospect is best, and it is each to be widely used in each row
Industry, solar water heater industry are exactly one of them.China is richly stored with solar energy resources, and Solar use prospect is wide
It is wealthy, it has been that the first of solar water heater in the world uses state and producing country at present.It is well known that solar water heater is come
Say, the selection of water tank heat preserving material is vital, and the insulation material that can serve as water tank at present mainly has polyurethane foam, phenol
Aldehyde foam, superfine fibre etc..Polyurethane foam is to be mixed to be poured into mould or water tank cavity with polyether composition by isocyanates
Interior foaming is made, and wherein polyether composition contains PPG, foaming agent, catalyst, curing agent, fire retardant, stabilizer etc.,
It is the insulation material that water tank mainly uses because polyurethane foam has the advantages such as moulding process is simple, thermal conductivity factor is low.
Polyurethane is a kind of widely used polymeric material, by adjusting the structure of strand or adding inorganic, organic
Filler can improve the strength of materials, but inevitably reduce the insulation energy of polyurethane simultaneously.In addition, polyurethane hard foam is also
The shortcomings that non-antiflaming property be present, because the solar water heater having also installs electric heater, if circuit aging, short circuit can be caused
Cause fire, and polyurethane hard foam is exactly to hold incendive material, so polyurethane hard foam is formed with into anti-flammability ability
Enough avoid holding incendive phenomenon.
The content of the invention
There is excellent intensity and heat-insulating property it is an object of the invention to provide a kind of, while received after overcoming foaming
The shortcomings that contracting is big, and with the solar insulated water tank modified polyurethane insulation material of good flame-retardance energy.
What the present invention was realized in：
A kind of solar insulated water tank modified polyurethane insulation material, it is characterised in that include the component of following parts by weight：
PPG 80-100 parts, 4,4'- methyl diphenylene diisocyanate 100-130 parts, modified montmorillonoid 2-5 parts, hair
Infusion 2-5 parts, foam stabiliser 0.1-0.5 parts, catalyst 0.5-3 parts, crosslinking agent 0.5-1 parts, dibutyl tin laurate
0.05-0.2 parts, fire retardant 0.1-1 parts.
Further preferably, the preparation method of the modified montmorillonoid is by distilled water, 95% ethanol solution, cetyl three
Methyl bromide ammonium is added in reactor, is stirred under 800-900 r/min rotating speed and is warming up to 80 DEG C, adds montmorillonite,
2 h are reacted under steady temperature, washing reaction thing then is repeated with ethanol, until being free of Br in separating liquid-, finally will reaction
Thing is dried to constant weight, grinding, obtains modified montmorillonoid, the distilled water, 95% ethanol solution, cetyl trimethylammonium bromide
Mass ratio with montmorillonite is 2:2:0.1:1.
Montmorillonite is a kind of inorganic laminated silicate, makes its extensive the features such as its layer structure, high length-diameter ratio, good dispersion
Applied in high polymer material, to improve the mechanical property of material, heat endurance and barrier properties for gases.But montmorillonite silicate
Interlayer contains large quantity of moisture, it is necessary to carry out the organically-modified compatibility to improve with polymer to montmorillonite.
Further preferably, the foaming agent is azodicarbonamide, chloro fluoroethane or anti-form-1-chloro- 3,3,3- trifluoro
Propylene.
Further preferably, the foam stabiliser is in silicone oil foam stabilizer, Tweens foam stabilizer or Sulfonates foam stabilizer
One kind.
Further preferably, the catalyst is the solution containing 33% triethylene diamine.
Further preferably, the crosslinking agent is 2,4,6-three（Dimethylamino methyl）Phenol.
Further preferably, the fire retardant includes molybdenum trioxide, tricresyl phosphate and aluminium hydroxide；Molybdenum trioxide, phosphorus
Sour front three phenyl ester, the mass ratio of aluminium hydroxide are 2-3:1:1.
The preparation method of the modified polyurethane insulation material is：
(1) modified montmorillonoid and PPG are mixed to join in reactor by recipe ratio, the rotating speed for adjusting mixer is protected
Hold in 2000r/min, make it well mixed；
(2) dibutyl tin laurate, crosslinking agent, catalyst, fire retardant, foam stabiliser and foaming agent water are added to instead again
Answer in device, be well mixed with mixer；
(3) it is last to be uniformly mixed toward adding 4,4'- methyl diphenylene diisocyanates in reactor, when mixing in reactor
When compound produces bubble, foam color is turned white, it is injected into solar water heater water tank cavity and is foamed at once, by high temperature
Modified polyurethane insulation material is can obtain after solidification.
The prominent substantive distinguishing features of the present invention and significant progress are：
1st, the basic components of the invention by optimizing polyurethane heat insulation material, add modified montmorillonoid, enhance polyurethane heat-insulation
The tensile strength and compression strength of material, overcome the problem of foaming after-contraction is big, while reduce polyurethane heat-insulation
The thermal conductivity factor of material, improves heat-insulating property；And the volatile matter that the modified montmorillonoid added can be discharged to material combustion
And oxygen plays certain isolation effect, so as to enhance the fire resistance of polyurethane heat insulation material.
2nd, the present invention is by adding micro foam stabiliser, crosslinking agent and fire retardant, it can be ensured that insulation material reacts
The stability of process, and improve the intensity and fire resistance of insulation material.
Embodiment
Embodiment 1
80 parts of PPG, 100 parts of 4,4'- methyl diphenylene diisocyanates, modified montmorillonoid 2 are weighed according to mass fraction
Part, 2 parts of foaming agent, 0.1 part of foam stabiliser, 0.5 part of catalyst, 0.5 part of crosslinking agent, 0.05 part of dibutyl tin laurate,
0.1 part of fire retardant.
Said components are prepared in accordance with the following methods：
(1) modified montmorillonoid and PPG are mixed to join in reactor by above-mentioned recipe ratio, adjust turning for mixer
Speed is maintained at 2000r/min, makes it well mixed；
(2) dibutyl tin laurate, crosslinking agent, catalyst, fire retardant, foam stabiliser and foaming agent water are added to instead again
Answer in device, be well mixed with mixer；
(3) it is last to be uniformly mixed toward adding 4,4'- methyl diphenylene diisocyanates in reactor, when mixing in reactor
When compound produces bubble, foam color is turned white, it is injected into solar water heater water tank cavity and is foamed at once, by high temperature
Modified polyurethane insulation material is can obtain after solidification.
Embodiment 2
80 parts of PPG, 110 parts of 4,4'- methyl diphenylene diisocyanates, modified montmorillonoid 3 are weighed according to mass fraction
Part, 3 parts of foaming agent, 0.2 part of foam stabiliser, 1.5 parts of catalyst, 0.6 part of crosslinking agent, 0.1 part of dibutyl tin laurate, resistance
Fire 0.3 part of agent.
Preparation process is same as Example 1.
Embodiment 3
90 parts of PPG, 120 parts of 4,4'- methyl diphenylene diisocyanates, modified montmorillonoid 4 are weighed according to mass fraction
Part, 4 parts of foaming agent, 0.4 part of foam stabiliser, 2.5 parts of catalyst, 0.8 part of crosslinking agent, 0.15 part of dibutyl tin laurate,
0.6 part of fire retardant.
Preparation process is same as Example 1.
Embodiment 4
100 parts of PPG, 130 parts of 4,4'- methyl diphenylene diisocyanates, modified montmorillonoid are weighed according to mass fraction
5 parts, it is 5 parts of foaming agent, 0.5 part of foam stabiliser, 3 parts of catalyst, 1 part of crosslinking agent, 0.2 part of dibutyl tin laurate, fire-retardant
1 part of agent.
Preparation process is same as Example 1.
The physical function parameter for the modified polyurethane insulation material that embodiment 1-4 is prepared respectively detects, and
The solar water heater of a Guangxi company is bought, insulation material is used as using the polyurethane foam raw material in solar water container
（Control group）, test result is as shown in table 1.With reference to following standard detection：GB/T3399、GB/T8813、JGJ144、GB/
T8811、GB/T6343、GB/T10799。
From table, thermal conductivity factor, the pressure resistance of the hard insulation material of modified polyurethane prepared by above example of the present invention
The indexs such as degree, tensile bond strength and dimensional stability all have than existing insulation material significantly to be improved, and is a kind of property
The excellent solar water container insulation material of energy.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details.
Claims (8)
1. a kind of solar insulated water tank modified polyurethane insulation material, it is characterised in that include the group of following parts by weight
Point：PPG 80-100 parts, 4,4'- methyl diphenylene diisocyanate 100-130 parts, modified montmorillonoid 2-5 parts, foaming
Agent 2-5 parts, foam stabiliser 0.1-0.5 parts, catalyst 0.5-3 parts, crosslinking agent 0.5-1 parts, dibutyl tin laurate 0.05-
0.2 part, fire retardant 0.1-1 parts.
2. solar insulated water tank according to claim 1 modified polyurethane insulation material, it is characterised in that：It is described to change
Property montmorillonite preparation method be by distilled water, 95% ethanol solution, cetyl trimethylammonium bromide add reactor in,
Stirring is warming up to 80 DEG C under 800-900 r/min rotating speed, adds montmorillonite, reacts 2 h at a constant temperature, then use second
Washing reaction thing is repeated in alcohol, until being free of Br in separating liquid-, reactant is finally dried to constant weight, grinding, is modified
Montmorillonite, the distilled water, 95% ethanol solution, cetyl trimethylammonium bromide and the mass ratio of montmorillonite are 2:2:0.1:
1。
3. solar insulated water tank according to claim 1 modified polyurethane insulation material, it is characterised in that：The hair
Infusion is azodicarbonamide, chloro fluoroethane or anti-form-1-chloro- 3,3,3- trifluoro propenes.
4. solar insulated water tank according to claim 1 modified polyurethane insulation material, it is characterised in that：The bubble
Foam stabilizers are one kind in silicone oil foam stabilizer, Tweens foam stabilizer or Sulfonates foam stabilizer.
5. solar insulated water tank according to claim 1 modified polyurethane insulation material, it is characterised in that：It is described to urge
Agent is the solution containing 33% triethylene diamine.
6. solar insulated water tank according to claim 1 modified polyurethane insulation material, it is characterised in that：The friendship
It is 2,4,6-three to join agent（Dimethylamino methyl）Phenol.
7. solar insulated water tank according to claim 1 modified polyurethane insulation material, it is characterised in that：The resistance
Combustion agent includes molybdenum trioxide, tricresyl phosphate and aluminium hydroxide；Molybdenum trioxide, tricresyl phosphate, the quality of aluminium hydroxide
Than for 2-3:1:1.
8. solar insulated water tank according to claim 1 modified polyurethane insulation material, it is characterised in that described to change
The preparation method of property polyurethane heat insulation material is：
(1) modified montmorillonoid and PPG are mixed to join in reactor by recipe ratio, the rotating speed for adjusting mixer is protected
Hold in 2000r/min, make it well mixed；
(2) dibutyl tin laurate, crosslinking agent, catalyst, fire retardant, foam stabiliser and foaming agent water are added to instead again
Answer in device, be well mixed with mixer；
(3) it is last to be uniformly mixed toward adding 4,4'- methyl diphenylene diisocyanates in reactor, when mixing in reactor
When compound produces bubble, foam color is turned white, it is injected into solar water heater water tank cavity and is foamed at once, by high temperature
Modified polyurethane insulation material is can obtain after solidification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710883210.3A CN107629190A (en) | 2017-09-26 | 2017-09-26 | Solar insulated water tank modified polyurethane insulation material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710883210.3A CN107629190A (en) | 2017-09-26 | 2017-09-26 | Solar insulated water tank modified polyurethane insulation material |
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| CN107629190A true CN107629190A (en) | 2018-01-26 |
Family
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| CN201710883210.3A Withdrawn CN107629190A (en) | 2017-09-26 | 2017-09-26 | Solar insulated water tank modified polyurethane insulation material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821301A (en) * | 2018-06-08 | 2018-11-16 | 安徽艾米伦特建材科技有限公司 | Thermal insulation material modified montmorillonoid and preparation method thereof |
| CN108912662A (en) * | 2018-06-08 | 2018-11-30 | 安徽艾米伦特建材科技有限公司 | Modified polyurethane thermal insulation material and preparation method thereof |
| CN112661925A (en) * | 2020-12-14 | 2021-04-16 | 安徽艾米伦特建材科技有限公司 | Flame-retardant polyurethane foaming thermal insulation material for thermal insulation sandwich board and preparation method thereof |
| CN114766753A (en) * | 2022-03-24 | 2022-07-22 | 高梵(浙江)信息技术有限公司 | Down jacket with high heat preservation performance and preparation method thereof |
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| CN101215454A (en) * | 2008-01-16 | 2008-07-09 | 武汉理工大学 | Montmorillonite modified silicone seal gum and preparation method thereof |
| CN102675860A (en) * | 2012-05-11 | 2012-09-19 | 上海化工研究院 | Halogen-free flame-retardant polyurethane hard bubble heat preserving material and preparation method thereof |
| CN104193940A (en) * | 2014-08-27 | 2014-12-10 | 中科院广州化学有限公司南雄材料生产基地 | Organic silicon/montmorillonite composite modified polyester-type polyurethane elastomer as well as preparation method and application thereof |
| CN105085853A (en) * | 2015-02-27 | 2015-11-25 | 大连亚泰科技新材料股份有限公司 | Preparation method of halogen-free flame retardant rigid polyurethane foam insulation material for exterior wall insulation |
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2017
- 2017-09-26 CN CN201710883210.3A patent/CN107629190A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101215454A (en) * | 2008-01-16 | 2008-07-09 | 武汉理工大学 | Montmorillonite modified silicone seal gum and preparation method thereof |
| CN102675860A (en) * | 2012-05-11 | 2012-09-19 | 上海化工研究院 | Halogen-free flame-retardant polyurethane hard bubble heat preserving material and preparation method thereof |
| CN104193940A (en) * | 2014-08-27 | 2014-12-10 | 中科院广州化学有限公司南雄材料生产基地 | Organic silicon/montmorillonite composite modified polyester-type polyurethane elastomer as well as preparation method and application thereof |
| CN105085853A (en) * | 2015-02-27 | 2015-11-25 | 大连亚泰科技新材料股份有限公司 | Preparation method of halogen-free flame retardant rigid polyurethane foam insulation material for exterior wall insulation |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821301A (en) * | 2018-06-08 | 2018-11-16 | 安徽艾米伦特建材科技有限公司 | Thermal insulation material modified montmorillonoid and preparation method thereof |
| CN108912662A (en) * | 2018-06-08 | 2018-11-30 | 安徽艾米伦特建材科技有限公司 | Modified polyurethane thermal insulation material and preparation method thereof |
| CN112661925A (en) * | 2020-12-14 | 2021-04-16 | 安徽艾米伦特建材科技有限公司 | Flame-retardant polyurethane foaming thermal insulation material for thermal insulation sandwich board and preparation method thereof |
| CN112661925B (en) * | 2020-12-14 | 2022-03-25 | 安徽艾米伦特建材科技有限公司 | Flame-retardant polyurethane foaming thermal insulation material for thermal insulation sandwich board and preparation method thereof |
| CN114766753A (en) * | 2022-03-24 | 2022-07-22 | 高梵(浙江)信息技术有限公司 | Down jacket with high heat preservation performance and preparation method thereof |
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Application publication date: 20180126 |
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