CN102086312A - Novel fireproof coating - Google Patents
Novel fireproof coating Download PDFInfo
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- CN102086312A CN102086312A CN2009102289852A CN200910228985A CN102086312A CN 102086312 A CN102086312 A CN 102086312A CN 2009102289852 A CN2009102289852 A CN 2009102289852A CN 200910228985 A CN200910228985 A CN 200910228985A CN 102086312 A CN102086312 A CN 102086312A
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Abstract
The invention discloses a novel fireproof coating comprising the following raw materials in parts by weight: 1-10 parts of magnesium oxide, 1-150 parts of triethanolamine, 1-10 parts of sodium borate, 1-10 parts of asbestos, 0.5-10 parts of modified alcoholic-acid urea resins, 0.5-6 parts of tetramethylolmethane and 1-10 parts of talcum powder. Experimental results prove that when the novel fireproof coating is coated in the position 10 centimeters away from a window frame on a door, a flame thrower is aligned to a fireproof door and a door and window frame to spray a flame with the temperature of 50 DEG C for 30 minutes, the novel fireproof coating is not penetrated by the flame, and therefore, the fireproof effect of the novel fireproof coating is several times higher than that of an aluminum window frame. The novel fireproof coating meets the requirements of the national 'Code for Fire Protection Design of High -rise Buildings'.
Description
Technical field
The present invention relates to a kind of fp material of construction, more precisely is a kind of novel frie retardant coating.
Background technology
Needs according to structural fire protection in the building curtain wall design can use a variety of fire-retardant materials, as flame resistant glass, frie retardant coating, fireproof aluminum-plastic board, fireproof seal gum etc.Though all be called fire-retardant material, but separately anti-fire action and fire resistance property are to make a world of difference, can do fire prevention as flame resistant glass and cut off and play the fp effect, cut off as adopting fireproof aluminum-plastic board to make fire prevention as panel material separately, fire resistance period may not can above 30 minutes.This is because fireproof aluminum-plastic board is a kind of finishing material of difficult combustion, does not have good resistivity against fire.The fire prevention of frie retardant coating is to utilize the chemical reaction of coating when fire, and coated structure or member are played the thermal insulation protection effect, thereby keeps the integrity of structure.Frie retardant coating is a kind of fire-retardant material of measure type.Frie retardant coating of a great variety is divided into expanding fire-proof paint and non-expansion type frie retardant coating according to its reaction to fire; Characteristic according to coating is divided into aqueous fire-proof coating and solvent-borne type frie retardant coating; The base material difference of using according to coating is divided into the frie retardant coating of steel structure fire-proof paint, finishing fire retardant paint, cable fire-refractory coating, cement, concrete substrate etc.After the fire resistance of frie retardant coating and mechanism frie retardant coating are coated in substrate surface, generally can the refractory ability of base material be greatly improved.After in steel structure member, using frie retardant coating, can make the refractory ability of steel structure member bring up to 2 hours from 15 minutes; Use frie retardant coating in wood structures after, can improve the burn resistance energy greatly, when coat-thickness was 1mm, fire endurance can reach 30 minutes; Behind the cable spary frie retardant coating, improved the burnback resistance of cable.
Frie retardant coating mainly adopts following three kinds of methods by its refractory ability to the reaction raising base material of fire: 1. isolated flammable base material contacts with air; 2. discharge rare gas element and suppress burning; 3. expand and form the carbonaceous insulated foam coating.The application frie retardant coating of frie retardant coating has above-mentioned superior fire resistance, be subjected to users' welcome, fireproof seal gum is a kind of high molecular plastic material, thus to the evaluation of its fire-protection rating often adopt " plastics combustibility test method oxygen index method " (GB/T2406-93), " horizontal method of plastics combustibility test method and normal beam technique " (GB/T2408-1996).Oxygen index refers to that under prescribed condition solid sample is kept the required minimum oxygen level of balance burning, with the shared volume percent numeric representation of oxygen in oxygen, ammonia mixed airflow.When adopting oxygen index (OI) to estimate, use GB/T2406-93 and carry out specimen test, calculate and determine oxygen index.The oxygen index of material (OI) is as follows with the corresponding relation of its flame retardant resistance: OI＜23 are flammable, and OI is fire-retardant slightly between 24～28, and OI is fire-retardant between 29～35, and OI＞36 are high flame retardant.When adopting GB/T2408-1996 to estimate, seal gum generally adopts normal beam technique to test, and is divided into FV-0 from high to low by test effect, FV-1, three grades of FV-2.To the combustionproperty deciding grade and level of seal gum,, be to adopt or only select for use one clearly not stipulate as yet simultaneously though there are two standards to select for use.But " code for fire prevention design of interior decoration of buildings " (GB50222-95) in regulation: the decorative plastic material, through oxygen index, level and normal beam technique test, and meet condition in the table 3, should be decided to be B1 and B2 respectively.Sign in fireproof seal gum and use indoor mostly, the author thinks that it also should be suitable going to test and estimate by table 3 requirement.The understanding of the fire resistance grade of rank oxygen index method horizontal firing method vertical combustion method B1 〉=321 grades of 0 grade of B2 〉=27 fire-retardant materials, reply is according to trial report and relevant standard or standard, and this is a key of correctly selecting fire-retardant material for use.
Summary of the invention
The shortcoming that the objective of the invention is to overcome prior art provides a kind of novel frie retardant coating with not enough.Technical scheme of the present invention is as follows:
A kind of novel frie retardant coating is characterized in that it is made up of the raw material of following parts by weight:
Magnesium oxide 1-10 part, trolamine 1-200 part, borax 1-10 part, asbestos 1-10 part, acid modified alcoholic urea-formaldehyde resin 0.5-10 part, tetramethylolmethane 0.5-6 part, talcum powder 1-10 part.
The preferred frie retardant coating of the present invention is composed as follows: magnesium oxide 1-6 part, trolamine 1-150 part, borax 1-6 part, asbestos 1-6 part, acid modified alcoholic urea-formaldehyde resin 0.5-5 part, tetramethylolmethane 0.5-4 part, talcum powder 1-6 part.
The fire-retardant material that the present invention is more preferably is composed as follows: magnesium oxide 1-4 part, trolamine 1-100 part, borax 1-4 part, asbestos 1-4 part, acid modified alcoholic urea-formaldehyde resin 0.5-4 part, tetramethylolmethane 0.5-2 part, talcum powder 1-4 part.
The acid modified alcoholic urea-formaldehyde resin that acid modified alcoholic urea-formaldehyde resin of the present invention is alkali-free or middle alkali.
The used magnesium oxide of the present invention is calcination magnesium oxide (Magnesiumoxide, soft calcined calcination magnesium oxide) the chemical formula MgO that 400 ℃～600 ℃ light roasting temperature is produced down, relative molecular weight 40.30, its a kind of important raw material of building materials.Calcining temperature, time are the keys of decision MgO activity, dispersity.No matter be magnesite, dolomite mineral etc. that a kind of for raw material decomposition reaction in calcining be thermo-negative reaction.Owing to decomposite CO2 and H2O, the densification product activity is not good to make MgO form porous crack crystalline structure, and dispersity big (180m2/g) refers to here in the time of 400 ℃～600 ℃, after product at this moment is levigate at normal temperatures several minutes be over regard to aquation.So it is not bad to save the energy product quality when good calcining process should be controlled at 400 ℃～600 ℃ to temperature.Have only 3m2/g during little 1300 ℃ of crystal densification dispersity when temperature is higher than 900 ℃, the magnesium oxide of aquation 95% needs 75d at normal temperatures.Find out that from the Ge Lasen lattice parameter MgO reaches 0.425nm in 400 ℃, it is best that Mg (OH) reaches 0.424nm product activity this moment.The light roasting temperature that is to say 400 ℃～600 ℃ is an optimum temps, is the source of light burnt powder saying.Calcination time is longer, and crystalline structure is just finer and close, is difficult to aquation, and what the present invention chose is exactly the magnesium oxide (market is on sale) of 400 ℃～600 ℃ of calcination moulding.
Frie retardant coating of the present invention is to mix as tackiness agent with trolamine with magnesium oxide, with borax or crop stalk as heat preserving and insulating material, asbestos are as the weighting agent of sound-insulating, with the acid modified alcoholic urea-formaldehyde resin as stiffening web, tetramethylolmethane with expansion is as sealing material, talcum powder plays the slick effect of enhancing simultaneously as toughener.Before die casting moulding, add two-layer above acid modified alcoholic urea-formaldehyde resin net in addition at least, play ligation, be beneficial to moulding.
Frie retardant coating of the present invention also can add industrial pigment according to user's demand, prepares the doorframe, window frame and the door of different colours.
Frie retardant coating of the present invention can also also can effectively reach the purpose of fire protection flame retarding according to user's demand with the interlayer of this material of construction as various PLASTIC LAMINATED, fire resisting shutter, antitheft door, fireproof passage door, kitchen hanging cupboard or the like.
The positive technique effect that the present invention is compared with prior art had is:
(1) frie retardant coating of the present invention, the doorframe, window frame of production and door (seeing embodiment 1-4), fire endurance was greater than 3 hours; Impact is forced the way across more than or equal to 3Rgf/pingf/m square metre; Carry on the back fiery temperature and add normal temperature (two hours) less than 180 degree; Integrity was greater than 3 hours.Indeformable, the not spontaneous combustion (but there is carbonization the part) of burning under 800 degree high temperature does not produce poison gas, imputrescibility, long service life.
(2) in addition, this material of construction cutting ability can with timber castor U.S..Make the fireproof door frame window frame with it and can reach high temperature resistant burning 3 hours.
(3) fire-retardant material not only can be sawed but also can dig, follow closely.Soak simultaneously to put in the water and can not soak more than 5 hours.Reach the requirement of wooden doorframe, window frame fully.Simultaneously can bonding various decoration skins for its surface of purpose of reaching decoration, not only attractive in appearance but also fire prevention is the direction of current construction and decoration industry development.
In order to explain enforcement of the present invention more fully, provide the preparation embodiment of following fire-proof construction material.These embodiments only are to explain rather than limit the scope of the invention.
Embodiment 1 (unit kilogram) produces doorframe, window frame
| Constitutive material | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Magnesium oxide | ?5 | ?10 | ?1 |
| Trolamine | ?25 | ?100 | ?20 |
| Borax or straw | ?1 | ?10 | ?1 |
| Asbestos | ?1 | ?10 | ?2 |
| The acid modified alcoholic urea-formaldehyde resin | ?0.5 | ?2 | ?3 |
| Tetramethylolmethane | ?0.5 | ?4 | ?0.5 |
| Talcum powder | ?2 | ?4 | ?0.5 |
| Acid modified alcoholic urea-formaldehyde resin net (layer) | ?2 | ?3 | ?2 |
Detected result: prepared doorframe, window frame adopts common saw just can cut, and digs, follows closely and all can.Experiment is forced the way across in impact: can bear 3Rgf/pingf/m square metre indeformable; Temperature experiment: under 1000 degree high temperature, do not burn, indeformable.Press GB8624-1997 and judge that this fire-retardant material can reach the requirement of national fire-retardant material.
Embodiment 4
Produce fire door:
Form: magnesium oxide 5kg, trolamine 25kg, borax or corn stalk (pulverizing) 1kg, asbestos 1kg, acid modified alcoholic urea-formaldehyde resin 0.5kg, tetramethylolmethane 0.5kg, talcum powder 2kg.
Detected result: prepared door adopts common saw just can cut, and digs, follows closely and all can.Fire endurance equals 3 hours; Impact is forced the way across and is equaled 3Rgf/pingf/m square metre; Carrying on the back fiery temperature equals 180 degree and adds normal temperature (two hours); Integrity equals 3 hours.Indeformable, the not spontaneous combustion of burning under 800 degree high temperature.
Claims (3)
1. novel frie retardant coating is characterized in that it is made up of the raw material of following parts by weight:
Magnesium oxide 1-10 part, trolamine 1-200 part, borax 1-10 part, asbestos 1-10 part, acid modified alcoholic urea-formaldehyde resin 0.5-10 part, tetramethylolmethane 0.5-6 part, talcum powder 1-10 part.
2. frie retardant coating as claimed in claim 1 is characterized in that it is made up of the raw material of following parts by weight: magnesium oxide 1-6 part, trolamine 1-150 part, borax 1-6 part, asbestos 1-6 part, acid modified alcoholic urea-formaldehyde resin 0.5-5 part, tetramethylolmethane 0.5-4 part, talcum powder 1-6 part.
3. frie retardant coating as claimed in claim 1 is characterized in that it is made up of the raw material of following parts by weight: magnesium oxide 1-4 part, trolamine 1-100 part, borax 1-4 part, asbestos 1-4 part, acid modified alcoholic urea-formaldehyde resin 0.5-4 part, tetramethylolmethane 0.5-2 part, talcum powder 1-4 part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102289852A CN102086312A (en) | 2009-12-07 | 2009-12-07 | Novel fireproof coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102289852A CN102086312A (en) | 2009-12-07 | 2009-12-07 | Novel fireproof coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102086312A true CN102086312A (en) | 2011-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102289852A Pending CN102086312A (en) | 2009-12-07 | 2009-12-07 | Novel fireproof coating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103254748A (en) * | 2013-05-31 | 2013-08-21 | 苏州富通高新材料科技股份有限公司 | Fireproof alkyd resin coating |
-
2009
- 2009-12-07 CN CN2009102289852A patent/CN102086312A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103254748A (en) * | 2013-05-31 | 2013-08-21 | 苏州富通高新材料科技股份有限公司 | Fireproof alkyd resin coating |
| CN103254748B (en) * | 2013-05-31 | 2016-02-24 | 苏州靖羽新材料有限公司 | A kind of alkyd resin fire-retardant paint |
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Application publication date: 20110608 |