CN103467004B - Expanded polystyrene veneer organic fireproof capping material and preparation method thereof - Google Patents
Expanded polystyrene veneer organic fireproof capping material and preparation method thereof Download PDFInfo
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- CN103467004B CN103467004B CN201310363367.5A CN201310363367A CN103467004B CN 103467004 B CN103467004 B CN 103467004B CN 201310363367 A CN201310363367 A CN 201310363367A CN 103467004 B CN103467004 B CN 103467004B
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Abstract
The invention belongs to fire-proof sealing material and preparing technical field thereof, be specially a kind of expanded polystyrene veneer organic fireproof capping material and preparation method thereof.This organic fireproof capping material is made up of mineral filler, high aluminium profiles aluminosilicate fiber cotton, expanded graphite, organic fire prevention tackiness agent and mixing diluents; Wherein, by mass parts, each material content is: mineral filler 150-220 part, high aluminium profiles aluminosilicate fiber cotton 10-20 part, expanded graphite 5-14 part, organic fire prevention tackiness agent 108-130 part, thinner 8-12 part.Can the fire-proof and thermal-insulation Be very effective of this fire prevention calking, arrive GB? A3 level level in 23864-2009 " fire-proof sealing material ", physicochemical property is excellent, and has excellent weather resistance; The various holes in practice, opening and gap etc. can be adapted to, constructability, maintenance and replacing, the flame in the scene of a fire and flue gas effectively can be stoped by body of wall hole, gap diffusion and spread.
Description
Technical field
The invention belongs to fire-proof sealing material and preparing technical field thereof, to be specifically related between a kind of applicable shutoff building penetrability structural hole theory, building slab or the expanded polystyrene veneer organic fireproof capping material and preparation method thereof in gap and the cavity such as plastic conduit pass through wall surface, floor, building between fire-resisting division component and other components.
Background technology
" Code for fire protection design of buildings " and " Code for fire protection design of high rise buildings " regulation of China as the wall of building construction fire compartment and floor run through thing (as cable, airduct etc.) through time the place such as the opening that formed, fireproof blocking must be carried out, to prevent spreading of the diffusion of fire and poison gas to it.Organic fireproof capping material is exactly this most frequently used fire-proof sealing material.
At present, have about organic fireproof capping material patent documentation disclosed in domestic, " nondrying organic fireproof paint and preparation method thereof " disclosed in 200310111118.3 disclosed " organic fire prevention calkings ", CN101423744 disclosed " organic fire prevention calking composition and preparation method thereof ", CN101503614 disclosed " manufacture method of expansion type halogen-free organic fireproofing blocking material ", 200610053129.4 disclosed " manufacture method of non-expansion type halogen-free organic fireproof block material ", 200410053754.X etc.Although the relevant fire plugging material disclosed in these patents can reach certain technique effect, regrettably the method for inspection of these products and judgement criteria are all carry out according to GA161-1997 " performance requriements of fire-proof sealing material and test method ".
On June 1st, 2009, the whole nation fire protection criteria council is on the basis of GA161-1997, promulgate standard GB/T 23864-2009 " fire-proof sealing material " with reference to EU criteria EN1366 " fire-proof sealing material test method ", and come into effect from February 10th, 2010.Compared with GA161, GB23864 not only segments the classification of fire-proof sealing material, and all proposes more strict requirement to the physicochemical property of fire-proof sealing material and fire performance.For organic fire prevention calking, not only add wet-heat resisting and freeze-thawing resistant to its physicochemical property in existing national standards to circulate two test items, require that the binding agent of organic fire prevention calking must have better weather resistance, what is more important, during fire performance is tested by GB23864, the filling thickness of putty is kept to 200mm by original 240mm, also the cable being used for testing is become copper core from aluminium core simultaneously, namely while decreasing the thermal conduction distance of product, also add the thermal conductivity (heat-conduction coefficient of copper conductor is about 1.7 times of aluminium conductor) of conductor, that is the fire performance of organic fireproof capping material is had higher requirement.And the organic fireproof capping material of current domestic disclosure all designs according to GA161-1997 standard-required and researches and develops without exception, its performance is also according to GA161-1997 standard testing, so its correlated performance all can not reach requirement after GB23864-2009 standard implementation.
Summary of the invention
In view of above-mentioned condition, the invention provides one and meet standard GB/T 23864-2009 requirement, the expanded polystyrene veneer organic fireproof capping material that the weather resistance of this material and fire performance compared with prior art greatly improve.
Another object of the present invention is to provide a kind of preparation method of above-mentioned expanded polystyrene veneer organic fireproof capping material.
Concrete technical scheme of the present invention is:
A kind of expanded polystyrene veneer organic fireproof capping material, this material is become by following mixed raw material:
Mineral filler, high aluminium profiles aluminosilicate fiber cotton, expanded graphite, organic fire prevention tackiness agent and thinner;
Wherein, by mass parts, each material content is:
Mineral filler 150-220 part, high aluminium profiles aluminosilicate fiber cotton 10-20 part, expanded graphite 5-14 part, organic fire prevention tackiness agent 108-130 part, thinner 8-12 part.
Described mineral filler is the mixture of one or more in diatomite, wilkinite and kaolin.The size of described expanded graphite is 50-80 order, expansion multiple >=180 times.
Described organic fire prevention tackiness agent is become by the mixed raw material measured by mass parts as follows: clorafin 90-120 part, chlorinated rubber or chlorinatedpolyethylene 8-16 part, organic silicone oil 1-2 part.
The chlorinity of described clorafin is 40-60%; The chlorinity of chlorinated rubber is 55-70%; The chlorinity of chlorinatedpolyethylene is 25-55%, and chlorinity refers to the percentage composition that chlorine is shared in material.
Described organic silicone oil is the mixture of one or more in dimethyl silicone oil, Methyl Hydrogen Polysiloxane Fluid, dimethyl hydroxyl silicon oil and active silicone oil.Described thinner is the mixture of any one or both of ethyl acetate and butylacetate.
For the preparation of a method for expanded polystyrene veneer organic fireproof capping material, its preparation process is:
1. first in kneader, organic fire prevention tackiness agent is prepared;
2. then in the organic fire prevention binding agent prepared, expanded graphite is added, when expanded graphite adds high aluminium profiles aluminosilicate fiber cotton again after organic fire prevention tackiness agent is uniformly dispersed;
3. after high aluminium profiles aluminosilicate fiber cotton fully disperses, finally add mineral filler, mediate and evenly namely make expanded polystyrene veneer organic fireproof capping material.
Wherein, the preparation process of organic fire prevention binding agent is:
1. first proportioning is got the raw materials ready in proportion;
2. in kneader, chlorinated rubber or chlorinatedpolyethylene are rendered in clorafin and melt, temperature of fusion is 60 DEG C-80 DEG C;
3. add organic silicone oil and thinner in proportion again, mediate and evenly namely make organic fire prevention binding agent.
Expanded polystyrene veneer organic fireproof capping material provided by the invention, compared with existing organic fireproof capping material, has following positively effect:
One, fire prevention calking of the present invention have employed unique formula, and its fire-proof and thermal-insulation Be very effective is promoted, and can arrive the A3 level level in GB23864-2009 " fire-proof sealing material ", physicochemical property is excellent, has excellent weather resistance.
Two, fire prevention calking of the present invention adopts clorafin, chlorinated rubber, chlorinatedpolyethylene, organosilicon wet goods as binding agent, make to change fire prevention calking be clay shape and there is long-term plasticity and flexibility, sealing characteristics is excellent, and there is the physicochemical properties such as excellent erosion resistance, water tolerance, weathering resistance, the various holes in practice, opening and gap etc. can be adapted to, constructability, maintenance and replacing.
Three, with the addition of expanding fire retardant in fire prevention calking of the present invention, when meeting fire, this fire prevention calking can expand, can by tight to various hole, opening and gap plugging, form firm fire proof heat-insulation layer, effectively stop the flame in the scene of a fire and flue gas by body of wall hole, gap diffusion and spread.
Four, the abundant raw material source of fire prevention calking of the present invention is easy to get, and production technique is simple, to the corrosion-free effect such as pipeline, electric wire.
Embodiment
Embodiment given below is to specific descriptions of the present invention; what be necessary to herein means out is that following examples are only for the present invention is described further; limiting the scope of the invention can not be interpreted as; this art skilled person makes some nonessential improvement and adjustment according to the invention described above content to the present invention, still belongs to protection scope of the present invention.
Embodiment 1:
Organic fireproof capping material of the present invention, mediates evenly to become to have certain flexible plastic solid by the formula (by mass parts) of table 1, then weighs, packs.
The raw material of table 1 embodiment and dosage (mass parts), fire performance
As seen from the above table, fire-proof sealing material is made up of plurality of raw materials, various raw material distinct, self fire performance differs greatly, but the effect that they play in fire-proof sealing material is different separately, and mutually can not be replaced, therefore, the proportioning raw materials of fire-proof sealing material has significant impact to its fire performance.8 cited embodiments as shown in table 1, due to the difference of proportioning raw materials, the fire resistance period of fire-proof sealing material shows larger difference, and minimum is 65min, and reaches as high as 186min.For mineral filler, the fire performance of its content on fire-proof sealing material has obvious impact, and when the content of mineral filler, (embodiment 6) or content too many (embodiment 8) are all unfavorable for the fire performance improving fire-proof sealing material very little.Only under suitable proportioning raw materials, cooperatively interact between various raw material and could realize excellent fire performance.
Three kinds of selected mineral fillers, diatomite, wilkinite, kaolin are uninflammability mineral filler, can improve the resistance toheat of fire-proof sealing material; This several mineral filler has higher oilness, cohesiveness, snappiness, and is easy to mixing, dispersion, can improve plasticity-and the snappiness of fire-proof sealing material; In addition, cheap, the abundant raw material of this several mineral filler.
In organic fire prevention tackiness agent, chlorinated rubber and chlorinatedpolyethylene all have excellent weather resisteant, erosion resistance and ageing-resistant performance, and the two is excellent tackiness agent.As compared to tackiness agents such as urethane resin, liquid petroleum resin (patent 201110392209.3) and thiorubber, silicon rubber (200410053754.X), chlorinated rubber and chlorinatedpolyethylene have good flame retardant properties, are more suitable for for fire-proof sealing material.Clorafin is the fine plasticizer of chlorinated rubber and chlorinatedpolyethylene, with chlorinated rubber and chlorinatedpolyethylene with the use of improving the two snappiness, and clorafin has good flame retardant properties and low volatility, be more suitable for in fire-proof sealing material than other softening agent.Dimethyl silicone oil and dimethyl hydroxyl silicon oil and above-mentioned tackiness agent with the use of, tackiness agent can be made to keep good snappiness and plasticity-for a long time.
Anti-crack fiber conventional in fire prevention calking has asbestos, rock wool, polypropylene fibre etc.Wherein, asbestos, rock wool have certain toxicity, and comparatively large to human injury, polypropylene fibre heat resisting temperature is very low.Aluminosilicate fiber cotton is nontoxic, harmless, and has excellent resistance toheat, good chemistry and thermostability, higher tensile strength.Relative to above-mentioned anti-crack fiber, while playing cracking resistance effect, aluminosilicate fiber cotton can also improve the resistance toheat of fire-proof sealing material.Relative to common aluminosilicate fiber cotton, in high aluminium profiles aluminosilicate fiber cotton, aluminium sesquioxide content is high, further increases its resistance toheat, and its use temperature can reach 1200 DEG C.
Expanded graphite is a kind of outstanding inorganic expansive fire retardant, and its flame retardant properties is efficient, stable, and can expand formation " vermiform " structure in combustion, makes expanding in combustion of fire-proof sealing material, block gap, isolated flue gas.
The present invention is through National Fire building materials quality Supervision Test Center according to GB GB23864-2009 " fire-proof sealing material " inspection, and detected result is in table 2:
The performance index (GB23864-2009) of table 2 expanded polystyrene veneer organic fireproof capping material of the present invention
Claims (4)
1. an expanded polystyrene veneer organic fireproof capping material, is characterized in that: this material is become by following mixed raw material:
Mineral filler, high aluminium profiles aluminosilicate fiber cotton, expanded graphite, organic fire prevention tackiness agent and thinner;
Wherein, by mass parts, each material content is:
Mineral filler 150-220 part, high aluminium profiles aluminosilicate fiber cotton 10-20 part, expanded graphite 5-14 part, organic fire prevention tackiness agent 108-130 part, thinner 8-12 part, the size of described expanded graphite is 50-80 order, expansion multiple >=180 times;
Described mineral filler is the mixture of one or more in diatomite, wilkinite and kaolin;
Described organic fire prevention tackiness agent is become by the mixed raw material measured by mass parts as follows: clorafin 90-120 part, chlorinated rubber or chlorinatedpolyethylene 8-16 part, organic silicone oil 1-2 part.
2. organic fireproof capping material according to claim 1, is characterized in that: the chlorinity of described clorafin is 40-60%; The chlorinity of chlorinated rubber is 55-70%; The chlorinity of chlorinatedpolyethylene is 25-55%.
3. organic fireproof capping material according to claim 1, is characterized in that: described organic silicone oil is the mixture of one or more in dimethyl silicone oil, Methyl Hydrogen Polysiloxane Fluid, dimethyl hydroxyl silicon oil.
4. organic fireproof capping material according to claim 1, is characterized in that: described thinner is the mixture of any one or both of ethyl acetate and butylacetate.
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| CN104031607A (en) * | 2014-06-10 | 2014-09-10 | 天津安盛达防火材料有限公司 | Flexible organic putty |
| CN106892643A (en) * | 2015-12-17 | 2017-06-27 | 深圳市惠程电气股份有限公司 | A kind of high-expansion fire prevention clay and its manufacture method |
| CN106116600B (en) * | 2016-06-27 | 2019-04-09 | 广州市日高工贸有限公司 | It is a kind of can ceramic fire-proof sealing material preparation method |
| CN111073665A (en) * | 2018-10-19 | 2020-04-28 | 南京化学工业园环保产业协同创新有限公司 | Fireproof plugging material and preparation method thereof |
| CN110499663B (en) * | 2019-08-23 | 2022-03-04 | 山东鲁阳节能材料股份有限公司 | Expansion type fireproof blanket and preparation method thereof |
| CN110950625A (en) * | 2019-12-09 | 2020-04-03 | 江苏三安消防设备有限公司 | Preparation and application of novel expandable fireproof plugging material |
| CN113024219B (en) * | 2019-12-25 | 2023-04-28 | 中国石油化工股份有限公司 | Fireproof blocking material capable of blocking rapidly, preparation method and use method |
| CN112063023B (en) * | 2020-09-30 | 2022-07-19 | 国网河南省电力公司邓州市供电公司 | Hole plugging material and preparation method thereof |
| CN114621506B (en) * | 2020-12-09 | 2024-02-20 | 深圳科创新源新材料股份有限公司 | Non-solidification type flexible organic putty and preparation method thereof |
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| CN100352890C (en) * | 2004-08-16 | 2007-12-05 | 王元宏 | Not-dry organic fire prevention caulking and its preparation method |
| CN102173691A (en) * | 2011-02-22 | 2011-09-07 | 山西省交通科学研究院 | Single-component tunnel fire-retardant coating and preparation method thereof |
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