CN103936386B - The compound nontoxic high-temperature plastic of fire door - Google Patents
The compound nontoxic high-temperature plastic of fire door Download PDFInfo
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- CN103936386B CN103936386B CN201410120823.8A CN201410120823A CN103936386B CN 103936386 B CN103936386 B CN 103936386B CN 201410120823 A CN201410120823 A CN 201410120823A CN 103936386 B CN103936386 B CN 103936386B
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- fire door
- temperature plastic
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- compound nontoxic
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Abstract
The invention provides the compound nontoxic high-temperature plastic of a kind of fire door.The compound nontoxic high-temperature plastic weather resistance of fire door of the present invention, adhesive property, high temperature bond performance are excellent, and its flue gas toxity is safe one-level, and cheap, and have certain fast rigid energy, are convenient to the production of fire door.
Description
Technical field
The present invention relates to adhesive techniques field, particularly the compound nontoxic high-temperature plastic of a kind of fire door.
Background technology
Fire door refers to the door that can meet fire integrity and thermal insulation requirement within a certain period of time.It is located between fire compartment, fire-resisting division thing that the place such as emergency staircase, vertical shaft has certain resistivity against fire.Fire door, except the effect with common door, has more the effect stoping fire spreading and Flue Gas Diffusion, during presence of fire, can stop spreading of the intensity of a fire within a certain period of time, guarantee evacuating personnel.Therefore, fire door is the great fire product of a kind of consumption.According to incompletely statistics, have an appointment 700 Duo Jia fire door manufacturers in the whole nation, wherein, about 300 that industrial scale is larger, the about several hundred million door frame of whole industry annual production.
The kind of fire door is a lot, but its basic structure is all made up of doorframe, door leaf skeleton and door skin.In order to improve fire integrity and the thermal insulation of fire door, usually need in door leaf to fill some materials, as aluminium silicate wool, rock wool, perlite fireproof plate, vermiculate fireproof plates etc.These cores, are bonded on door skin with binding agent.
Regulation in current edition GB12955-2008 " fire door ": " fire door binding agent used should be the product harmless to human non-toxic.Fire door binding agent used should reach GB/T20285-2006 regulation through the inspection of authorized by state mandate feeler mechanism and produce smoke toxicity classification of risks ZA
2level requirement." and binding agent that at present fire door factory generally uses is polyurethane foam glue and mineral binder bond.Polyurethane foam glue has that cohesive strength is high, good weatherability, the advantage such as easy to use, but due to itself molecular characterization, the product smoke toxicity of polyurethane foam glue is difficult to reach ZA
2level requirement.Mineral binder bond has the advantages such as cheap, cohesive strength is high, product smoke toxicity is lower, but its endurance quality is slightly poor.Adopt the fire door of this binding agent, have after fire door uses for some time, core can be caving from door skin, have impact on fire integrity and the thermal insulation of fire door, defines security against fire hidden danger.
Summary of the invention
The present invention is intended to improve existing fire door binding agent weather resistance and high temperature bond performance, and the exhaust gas volumn produced after reducing its Reaction to fire and toxicity thereof, the nontoxic high-temperature plastic of fire door specific complex type being better than traditional product to provide a kind of main performance index.
Object of the present invention is achieved through the following technical solutions.
The compound nontoxic high-temperature plastic of a kind of fire door of the present invention, the weight proportion of its component is as follows:
Further, the weight proportion of its component is as follows:
Further, the modulus of described liquid sodium silicate is 2.6 ~ 3.0.
Further, described aluminate cement model is CA-50.
In the present invention, the CA-50 used is universal cement, its intensity and adhesiveproperties are enough to the demand meeting fire door binding agent, if use other models instead, intensity can improve, but, too high performance is not necessary to fire door binding agent, therefore, comprehensive production cost and performance are considered, aluminate cement of the present invention preferably uses CA-50.
Further, described fire resistant infilling is one or more the combination in bauxite powder, diatomite.
Bauxite powder, diatomite etc. all have good heat-resisting, fire performance, and the fire resistant infilling that the present invention uses can adopt the wherein one in both, also both can be mixed with arbitrary proportion, all can play good fire performance.
Further, described polypropylene monofilament staple length is 10 ~ 20mm.
Further, described redispersible latex powder meets GB/T29594-2013 standard regulation.
Such as, described redispersible latex powder is one or more the combination in the equal cluster of vinyl-acetic ester, vinyl-acetic ester and tertiary ethylene carbonate Copolymer, vinyl-acetic ester and ethylene copolymer class.
Each component of the compound nontoxic high-temperature plastic of the present invention, at production, storage, transport and selling period, all needs liquid sodium silicate and other components separately packaging.Before use, each component is mixed, can directly use.
Although current known mineral binder bond has the advantages such as cheap, cohesive strength is high, product smoke toxicity is lower, but this kind of binding agent also exists the defect in some performances, as weather resistance etc.; Although and add organic binder bond or organic constituent can improve weather resistance, but there is the risk of producing smoke toxicity.Can cohesive strength, the nontoxicity that mineral binder bond how just can be made both to have kept good, possess more excellent weather resistance again?
Contriver has carried out a large amount of experimental studies for the problems referred to above, final discovery, the present invention is adopted to add organic constituent in inorganic system, binding agent is made to have good durability and cohesive strength, simultaneously, by controlling kind and the consumption of organic constituent, the exhaust gas volumn produced after ensure that binding agent Reaction to fire and toxicity thereof are very low, meet national standard completely.The mechanism of action of the present invention is as follows: aluminate cement and liquid sodium silicate have higher thermotolerance, can be used as binding agent used for refractory material, the high temperature cohesive strength of binding agent can be ensured, and the two with the use of, binding agent can be made to have certain fast rigid energy, be convenient to the production of fire door.The fire resistant infilling added, can improve high-temperature behavior and the adhesive property of binding agent.Redispersible latex powder is generally used for building mortar, coating, be used for dry-mixed mortar modification, its use in binding agent of the present invention, improve cohesive strength, splitting resistance and weather resistance etc. significantly, although this component is organic materials, but by controlling its consumption, not only effectively improve cohesive strength, splitting resistance and weather resistance, and not increasing again mineral binder bond scene of a fire product flue gas toxity.Polypropylene monofilament fiber is generally used for concrete, mortar etc., the use of polypropylene monofilament fiber in binder system of the present invention, reduce stress raisers phenomenon, give curable binder precursor certain toughness, reduce microfracture, improve the weather resistance of binding agent, simultaneously, curable binder precursor is compacting body, when high temperature, polypropylene monofilament fiber volatilization effusion, create countless trickle ducts, be convenient to the free water of cured body inside, the water vapour produced after gas and decomposition overflows, curable binder precursor anti-cracking property at high temperature can be improved, further raising high temperature bond performance.
The compound nontoxic high-temperature plastic weather resistance of fire door of the present invention, adhesive property, high temperature bond performance are excellent, and its flue gas toxity is safe one-level, and cheap, and have certain fast rigid energy, are convenient to the production of fire door.
Obviously, according to foregoing of the present invention, according to ordinary technical knowledge and the means of this area, not departing under the present invention's above-mentioned basic fundamental thought prerequisite, the amendment of other various ways, replacement or change can also be made.
Below by way of the form of specific embodiment, foregoing of the present invention is described in further detail again.But this should be interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to following embodiment.All technology realized based on foregoing of the present invention all belong to scope of the present invention.
Embodiment
Fire door of the present invention is as shown in table 1 by each embodiment of compound nontoxic high-temperature plastic component by weight.
Table 1 embodiment material proportion table
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Liquid sodium silicate | 88 | 74 | 60 | 81 | 67 |
| Aluminate cement | 95 | 90 | 100 | 85 | 80 |
| Fire resistant infilling | 15 | 10 | 12 | 18 | 20 |
| Redispersible latex powder | 2.25 | 2.75 | 2 | 3 | 2.5 |
| Polypropylene monofilament fiber | 0.2 | 0.225 | 0.3 | 0.275 | 0.25 |
Redispersible latex powder used meets GB/T29594-2013 standard; The composition that fire resistant infilling is bauxite powder, diatomite mixes with arbitrary proportion; Aluminate cement model is CA-50, and polypropylene monofilament staple length is 10 ~ 20mm, and the modulus of liquid sodium silicate is 2.6 ~ 3.0.
During production, need, by liquid sodium silicate and other components separately packaging, before use, more each component to be mixed, the compound nontoxic high-temperature plastic of the present invention can be obtained.
In order to the beneficial effect of the compound nontoxic high-temperature plastic of the present invention is described, each component mixed by the consumption of table 1, and carry out salient features test to each embodiment products obtained therefrom, measurement result is in table 2, and its concrete blending means can adopt following operation:
First the auxiliary agents such as polypropylene monofilament fiber, re-dispersible glue powder are joined in aluminate cement, mix, make powder.Pour liquid sodium silicate into stirred vessel, add powder.Stirring at low speed makes component mix, and leaves standstill about 5min.The binding agent of preparation uses in 1h is advisable.
The compound nontoxic high-temperature plastic main performance index of table 2 fire door of the present invention
As seen from the above table, compound nontoxic high-temperature plastic prepared by the present invention, belong to non-combustible material, meet A1 standard in GB8624-2006, and the flue gas nontoxicity at high temperature produced, meet the requirement of GB12955-2008 to fire door binding agent, illustrate that the compound nontoxic high-temperature plastic heat and flame of the present invention is functional, and also keep good non-toxic and safe after high temperature.
Stretch gluing former intensity, represents that the compound nontoxic high-temperature plastic of the present invention cohesive strength under normal circumstances, splitting resistance are good; Stretching adhesive strength after thermal ageing, represents that this binding agent is still keeping comparatively good cohesive strength, splitting resistance after heat effect, illustrates that the endurance quality of the compound nontoxic high-temperature plastic of the present invention is good; Early stage stretching adhesive strength (24h), represents that binding agent did not also solidify completely through 24 hours, but has had certain cohesive strength, is more convenient for producing.
In addition, associative list 1,2 known, embodiment 1 ~ 5 gained binding agent all possesses good performance, wherein, the stretching adhesive strength of embodiment 2 gained binding agent under normal circumstances and after thermal ageing is all obviously better than other embodiments, and embodiment 5 gained binding agent stretching adhesive strength under normal circumstances better (more than 0.91), but stretching adhesive strength after thermal ageing is minimum.The above results shows, in the present invention, the consumption proportion of each component also has remarkably influenced to the performance of binding agent.Comprehensive the above results, the component compatibility of the preferred embodiment of the present invention 2.
In sum, the compound nontoxic high-temperature plastic weather resistance of fire door of the present invention, adhesive property, high temperature bond performance are excellent, and its flue gas toxity is safe one-level, and cheap, and have certain fast rigid energy, are convenient to the production of fire door.
Claims (8)
1. the compound nontoxic high-temperature plastic of fire door, is characterized in that: the weight proportion of its component is as follows:
2. the compound nontoxic high-temperature plastic of fire door according to claim 1, is characterized in that: the weight proportion of its component is as follows:
3. the compound nontoxic high-temperature plastic of fire door according to claim 1 and 2, is characterized in that: the modulus of described liquid sodium silicate is 2.6 ~ 3.0.
4. the compound nontoxic high-temperature plastic of fire door according to claim 1 and 2, is characterized in that: described aluminate cement model is CA-50.
5. the compound nontoxic high-temperature plastic of fire door according to claim 1 and 2, is characterized in that: described fire resistant infilling is one or both the combination in bauxite powder, diatomite.
6. the compound nontoxic high-temperature plastic of fire door according to claim 1 and 2, is characterized in that: described polypropylene monofilament staple length is 10 ~ 20mm.
7. the compound nontoxic high-temperature plastic of fire door according to claim 1 and 2, is characterized in that: described redispersible latex powder meets GB/T29594-2013 regulation.
8. the compound nontoxic high-temperature plastic of fire door according to claim 7, is characterized in that: described redispersible latex powder is one or more the combination in the equal cluster of vinyl-acetic ester, vinyl-acetic ester and tertiary ethylene carbonate Copolymer, vinyl-acetic ester and ethylene copolymer class.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410120823.8A CN103936386B (en) | 2014-03-27 | 2014-03-27 | The compound nontoxic high-temperature plastic of fire door |
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| CN201410120823.8A CN103936386B (en) | 2014-03-27 | 2014-03-27 | The compound nontoxic high-temperature plastic of fire door |
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| CN103936386A CN103936386A (en) | 2014-07-23 |
| CN103936386B true CN103936386B (en) | 2016-02-17 |
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| CN105820704A (en) * | 2016-05-16 | 2016-08-03 | 李军 | Coating for indoor decoration and preparation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1205353A (en) * | 1997-07-16 | 1999-01-20 | 柏胤万 | Waterproof gum |
| CN101948279A (en) * | 2010-09-26 | 2011-01-19 | 北京振利高新技术有限公司 | Polyphenyl granule sticking and laying slurry containing A2 class rubber powder and preparation method thereof |
| CN102040914A (en) * | 2009-10-19 | 2011-05-04 | 天津市硅酸盐研究所 | Environmentally-friendly GYS inorganic adhesive for fireproof door |
| CN102643056A (en) * | 2011-02-18 | 2012-08-22 | 葛铁民 | Inorganic special fireproof composite slurry and production process thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3438523B2 (en) * | 1997-03-28 | 2003-08-18 | ニチアス株式会社 | Inorganic adhesive composition |
| KR20110088296A (en) * | 2010-01-28 | 2011-08-03 | 김인환 | Construction pop-stone panel and manufacturing method thereof |
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- 2014-03-27 CN CN201410120823.8A patent/CN103936386B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1205353A (en) * | 1997-07-16 | 1999-01-20 | 柏胤万 | Waterproof gum |
| CN102040914A (en) * | 2009-10-19 | 2011-05-04 | 天津市硅酸盐研究所 | Environmentally-friendly GYS inorganic adhesive for fireproof door |
| CN101948279A (en) * | 2010-09-26 | 2011-01-19 | 北京振利高新技术有限公司 | Polyphenyl granule sticking and laying slurry containing A2 class rubber powder and preparation method thereof |
| CN102643056A (en) * | 2011-02-18 | 2012-08-22 | 葛铁民 | Inorganic special fireproof composite slurry and production process thereof |
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