CN110372992A - A kind of detector for fire alarm system potent flameproof case material and preparation method thereof - Google Patents
A kind of detector for fire alarm system potent flameproof case material and preparation method thereof Download PDFInfo
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- CN110372992A CN110372992A CN201910665370.XA CN201910665370A CN110372992A CN 110372992 A CN110372992 A CN 110372992A CN 201910665370 A CN201910665370 A CN 201910665370A CN 110372992 A CN110372992 A CN 110372992A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08L61/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08L61/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The present invention provides a kind of detector for fire alarm system potent flameproof case material and preparation method thereof, is related to detector for fire alarm system production technical field.The sheathing material is made of raw material from the following weight: 45-55 parts of melamine resin, 1-2 parts of glass fibre, 0.8-1.2 parts of crosslinking agent, 15-20 parts of organic siliconresin, 6-8 parts of polyphenylene di(2-ethylhexyl)phosphate benzeneazo ester, 3-5 parts of perfluorobutyl potassium sulfonate, 5-7 parts of 2,2 '-diphenylenepropane tetraphenyl diphosphate, 2-4 parts of methyl-phosphoric acid dimethyl ester, 4-5 parts of zinc stannate, 2-3 parts of ammonium molybdate, 3-4 parts of ferrocene, 2-3 parts of aluminium hydroxide, 2-4 parts of curing agent, 2-4 parts of dispersing agent.The present invention overcomes the deficiencies in the prior art, the fire retardant performance of sheathing material can not only be effectively improved, ignite the shell of fire-alarm when preventing fire from occurring, and then aggravate the sprawling of fire, moreover it is possible to effectively improve its smoke suppressing effect, reduce the generation of flue dust, convenient for people's breathing, sheathing material overall performance is excellent, highly-safe, is suitable for promoting.
Description
Technical field
The present invention relates to detector for fire alarm system production technical fields, and in particular to a kind of detector for fire alarm system is with potent
Flameproof case material and preparation method thereof.
Background technique
With the increase of Modern Family's fire, electricity consumption, the frequency that family fire occurs is also higher and higher.Family fire one
Denier occurs, it is easy to occur saving not in time, fire distinguisher lacks and people on the scene is panic, the escape unfavorable factors such as slow,
Eventually lead to great life and property loss.Therefore, most families can all install fire-alarm to remind people's fire occur,
It needs to flee from rapidly., for preventing family fire, reducing fire damage has realistic meaning for this.
Its formula composition of the sheathing material of fire-alarm and preparation process are unreasonable at present, cause its fire protecting performance compared with
Difference, when a fire, the shell of fire-alarm are easily ignited, and aggravate the sprawling of fire, and safety is low, to user with
Biggish trouble is carried out.Therefore, a kind of detector for fire alarm system with potent flameproof case material be researchers research hot spot.
Summary of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of detector for fire alarm system potent flameproof case material and its system
Preparation Method, the present invention overcomes the deficiencies in the prior art, can not only effectively improve the fire retardant performance of sheathing material, prevent
Fire ignites the shell of fire-alarm when occurring, and then aggravates the sprawling of fire, moreover it is possible to effectively improve its smoke suppressing effect, reduce
The generation of flue dust breathes convenient for people, and sheathing material overall performance is excellent, highly-safe, is suitable for promoting.
In order to achieve the above object, technical solution of the present invention is achieved by the following technical programs:
A kind of potent flameproof case material of detector for fire alarm system, the sheathing material by following parts by weight raw material system
At: 45-55 parts of melamine resin, 0.8-1.2 parts of crosslinking agent, 15-20 parts of organic siliconresin, gathers 1-2 parts of glass fibre
6-8 parts of phosphenylic acid hexichol azo ester, 3-5 parts of perfluorobutyl potassium sulfonate, 2,2 '-diphenylenepropane tetraphenyl diphosphate 5-
7 parts, it is 2-4 parts of methyl-phosphoric acid dimethyl ester, 4-5 parts of zinc stannate, 2-3 parts of ammonium molybdate, 3-4 parts of ferrocene, 2-3 parts of aluminium hydroxide, solid
2-4 parts of agent, 2-4 parts of dispersing agent.
Preferably, the sheathing material is made of raw material from the following weight: 50 parts of melamine resin, glass fibers
Dimension 1.5 parts, 1.0 parts of crosslinking agent, 18 parts of organic siliconresin, 7 parts of polyphenylene di(2-ethylhexyl)phosphate benzeneazo ester, 4 parts of perfluorobutyl potassium sulfonate,
2,2 ' -6 parts of diphenylenepropane tetraphenyl diphosphates, 3 parts of methyl-phosphoric acid dimethyl ester, 4.5 parts of zinc stannate, 2.5 parts of ammonium molybdate,
3.5 parts of ferrocene, 2.5 parts of aluminium hydroxide, 3 parts of curing agent, 3 parts of dispersing agent.
Preferably, the crosslinking agent is by N, and N- methylene bisacrylamide and 1,4-butanediol diglycidyl ether are with mass ratio
2:1 is mixed.
Preferably, the curing agent is by curing agent NX-2040, curing agent NX-2041 and curing agent NX-2045 with mass ratio
It is mixed for 1:3:5.
Preferably, the dispersing agent is by lauryl sodium sulfate, polyvinylpyrrolidone and sodium octyl with mass ratio
It is mixed for 2:3:6.
The preparation method of the sheathing material the following steps are included:
(1) melamine resin, glass fibre and crosslinking agent are mixed and is added in autoclave, be first warming up to 140-
160 DEG C, while 6-8MPa is boosted to, heat preservation is warming up to 220-240 DEG C after being kneaded 40-60min again, while boosting to 10- again
12MPa, pressure maintaining restore after being crosslinked 30-50min to normal pressure, add organic siliconresin, continue heat preservation mixing 2-3h and obtain mixed base
Expect spare；
(2) by polyphenylene di(2-ethylhexyl)phosphate benzeneazo ester, perfluorobutyl potassium sulfonate, the double phosphorus of 2,2 '-diphenylenepropane tetraphenyls
It is added in mixer after acid esters and methyl-phosphoric acid dimethyl ester mixing, is warming up to 180-200 DEG C, boost to 8-10MPa, pressure maintaining infiltration
It is mixed object after 1-2h to be placed in refrigerator, and cryo-conservation 2-3h under the conditions of subzero 40 DEG C-subzero 30 DEG C, obtains mixture
A is spare；
(3) will zinc stannate, ammonium molybdate, ferrocene and aluminium hydroxide be added ball mill in carry out mixed grinding, after mixed
It closes object to be placed in high temperature furnace, is warming up to 400-420 DEG C, it is spare that heat preservation roasting 2-3h obtains mixture B；
(4) mixture A obtained and mixture B is mixed and is added in high speed disperser, be warming up to 160-180 DEG C, high speed
It is spare that dispersion 30-40min obtains auxiliary material；
(5) auxiliary material obtained is added in the autoclave in above-mentioned steps (1), adds curing agent and dispersing agent, kept the temperature
It is mixed object after mixing 3-5h to squeeze into injection molding machine, injection molding obtains product.
Preferably, revolving speed is adjusted in the step (1) to 150-170r/min, the revolving speed of the middle adjustment autoclave of step (2)
To 130-150r/min, revolving speed is adjusted in step (4) to 1200-1500r/min.
Preferably, in the step (3) mixed grinding to cross 200 meshes.
The present invention provides a kind of detector for fire alarm system potent flameproof case material and preparation method thereof, with the prior art
It is compared to advantage:
(1) present invention first passes through crosslinking using melamine resin, glass fibre and organic siliconresin as base-material
It is cross-linking modified that agent carries out melamine resin and glass fibre in such a way that secondary temperature elevation boosts, then with organosilicon tree
Rouge mixing can effectively improve the fire retardant performance of base-material, and then promote the fire protecting performance of sheathing material；
(2) present invention is added with polyphenylene di(2-ethylhexyl)phosphate benzeneazo ester, perfluorobutyl potassium sulfonate, 2,2 '-diphenylenepropanes
Tetraphenyl diphosphate and methyl-phosphoric acid dimethyl ester and be made mixture A can by way of high-pressure osmosis and cryogenic freezing
The fire retardant performance for effectively improving sheathing material, the shell for the fire-alarm that ignites when preventing fire from occurring, and then aggravate fire
The sprawling of calamity, sheathing material is highly-safe, and using effect is good；
(3) also added with zinc stannate, ammonium molybdate, ferrocene and aluminium hydroxide and mixture B is made in the present invention, passes through mixing
The mode for grinding high-temperature roasting again effectively improves its smoke suppressing effect while guaranteeing sheathing material fire retardant performance, reduces
The generation of flue dust breathes convenient for people, and sheathing material overall performance is excellent, is suitable for promoting.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below with reference to the embodiment of the present invention pair
Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
Every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Embodiment 1:
A kind of potent flameproof case material of detector for fire alarm system, the sheathing material by following parts by weight raw material system
At: 55 parts of melamine resin, 2 parts of glass fibre, 1.2 parts of crosslinking agent, 20 parts of organic siliconresin, polyphenylene phosphoric acid hexichol
8 parts of azo ester, 5 parts of perfluorobutyl potassium sulfonate, 7 parts of 2,2 '-diphenylenepropane tetraphenyl diphosphate, methyl-phosphoric acid dimethyl ester
4 parts, 5 parts of zinc stannate, 3 parts of ammonium molybdate, 4 parts of ferrocene, 3 parts of aluminium hydroxide, 4 parts of curing agent, 4 parts of dispersing agent.
The crosslinking agent is 2:1 mixing with mass ratio by N, N- methylene bisacrylamide and 1,4- butanediol diglycidyl ether
It forms；The curing agent is mixed by curing agent NX-2040, curing agent NX-2041 and curing agent NX-2045 with mass ratio for 1:3:5
It closes；The dispersing agent is mixed by lauryl sodium sulfate, polyvinylpyrrolidone and sodium octyl with mass ratio for 2:3:6
It closes.
The preparation method of the sheathing material the following steps are included:
(1) melamine resin, glass fibre and crosslinking agent are mixed and is added in autoclave, be first warming up to 140-
160 DEG C, while 6-8MPa is boosted to, heat preservation is warming up to 220-240 DEG C after being kneaded 40-60min again, while boosting to 10- again
12MPa, pressure maintaining restore after being crosslinked 30-50min to normal pressure, add organic siliconresin, continue heat preservation mixing 2-3h and obtain mixed base
Expect spare；
(2) by polyphenylene di(2-ethylhexyl)phosphate benzeneazo ester, perfluorobutyl potassium sulfonate, the double phosphorus of 2,2 '-diphenylenepropane tetraphenyls
It is added in mixer after acid esters and methyl-phosphoric acid dimethyl ester mixing, is warming up to 180-200 DEG C, boost to 8-10MPa, pressure maintaining infiltration
It is mixed object after 1-2h to be placed in refrigerator, and cryo-conservation 2-3h under the conditions of subzero 40 DEG C-subzero 30 DEG C, obtains mixture
A is spare；
(3) will zinc stannate, ammonium molybdate, ferrocene and aluminium hydroxide be added ball mill in carry out mixed grinding, after mixed
It closes object to be placed in high temperature furnace, is warming up to 400-420 DEG C, it is spare that heat preservation roasting 2-3h obtains mixture B；
(4) mixture A obtained and mixture B is mixed and is added in high speed disperser, be warming up to 160-180 DEG C, high speed
It is spare that dispersion 30-40min obtains auxiliary material；
(5) auxiliary material obtained is added in the autoclave in above-mentioned steps (1), adds curing agent and dispersing agent, kept the temperature
It is mixed object after mixing 3-5h to squeeze into injection molding machine, injection molding obtains product.
Wherein, adjustment revolving speed is to 150-170r/min in the step (1), and the revolving speed of the middle adjustment autoclave of step (2) is extremely
130-150r/min, the middle adjustment revolving speed of step (4) to 1200-1500r/min；In the step (3) mixed grinding to cross 200 mesh
Sieve.
Embodiment 2:
A kind of potent flameproof case material of detector for fire alarm system, the sheathing material by following parts by weight raw material system
At: 50 parts of melamine resin, 1.5 parts of glass fibre, 1.0 parts of crosslinking agent, 18 parts of organic siliconresin, polyphenylene di(2-ethylhexyl)phosphate
7 parts of benzeneazo ester, 4 parts of perfluorobutyl potassium sulfonate, 6 parts of 2,2 '-diphenylenepropane tetraphenyl diphosphate, methyl acid phosphate diformazan
3 parts of ester, 4.5 parts of zinc stannate, 2.5 parts of ammonium molybdate, 3.5 parts of ferrocene, 2.5 parts of aluminium hydroxide, 3 parts of curing agent, 3 parts of dispersing agent.
The crosslinking agent is 2:1 mixing with mass ratio by N, N- methylene bisacrylamide and 1,4- butanediol diglycidyl ether
It forms；The curing agent is mixed by curing agent NX-2040, curing agent NX-2041 and curing agent NX-2045 with mass ratio for 1:3:5
It closes；The dispersing agent is mixed by lauryl sodium sulfate, polyvinylpyrrolidone and sodium octyl with mass ratio for 2:3:6
It closes.
The preparation method of the sheathing material the following steps are included:
(1) melamine resin, glass fibre and crosslinking agent are mixed and is added in autoclave, be first warming up to 140-
160 DEG C, while 6-8MPa is boosted to, heat preservation is warming up to 220-240 DEG C after being kneaded 40-60min again, while boosting to 10- again
12MPa, pressure maintaining restore after being crosslinked 30-50min to normal pressure, add organic siliconresin, continue heat preservation mixing 2-3h and obtain mixed base
Expect spare；
(2) by polyphenylene di(2-ethylhexyl)phosphate benzeneazo ester, perfluorobutyl potassium sulfonate, the double phosphorus of 2,2 '-diphenylenepropane tetraphenyls
It is added in mixer after acid esters and methyl-phosphoric acid dimethyl ester mixing, is warming up to 180-200 DEG C, boost to 8-10MPa, pressure maintaining infiltration
It is mixed object after 1-2h to be placed in refrigerator, and cryo-conservation 2-3h under the conditions of subzero 40 DEG C-subzero 30 DEG C, obtains mixture
A is spare；
(3) will zinc stannate, ammonium molybdate, ferrocene and aluminium hydroxide be added ball mill in carry out mixed grinding, after mixed
It closes object to be placed in high temperature furnace, is warming up to 400-420 DEG C, it is spare that heat preservation roasting 2-3h obtains mixture B；
(4) mixture A obtained and mixture B is mixed and is added in high speed disperser, be warming up to 160-180 DEG C, high speed
It is spare that dispersion 30-40min obtains auxiliary material；
(5) auxiliary material obtained is added in the autoclave in above-mentioned steps (1), adds curing agent and dispersing agent, kept the temperature
It is mixed object after mixing 3-5h to squeeze into injection molding machine, injection molding obtains product.
Wherein, adjustment revolving speed is to 150-170r/min in the step (1), and the revolving speed of the middle adjustment autoclave of step (2) is extremely
130-150r/min, the middle adjustment revolving speed of step (4) to 1200-1500r/min；In the step (3) mixed grinding to cross 200 mesh
Sieve.
Embodiment 3:
A kind of potent flameproof case material of detector for fire alarm system, the sheathing material by following parts by weight raw material system
At: 45 parts of melamine resin, 1 part of glass fibre, 0.8 part of crosslinking agent, 15 parts of organic siliconresin, polyphenylene phosphoric acid hexichol
6 parts of azo ester, 3 parts of perfluorobutyl potassium sulfonate, 5 parts of 2,2 '-diphenylenepropane tetraphenyl diphosphate, methyl-phosphoric acid dimethyl ester
2 parts, 4 parts of zinc stannate, 2 parts of ammonium molybdate, 3 parts of ferrocene, 2 parts of aluminium hydroxide, 2 parts of curing agent, 2 parts of dispersing agent.
The crosslinking agent is 2:1 mixing with mass ratio by N, N- methylene bisacrylamide and 1,4- butanediol diglycidyl ether
It forms；The curing agent is mixed by curing agent NX-2040, curing agent NX-2041 and curing agent NX-2045 with mass ratio for 1:3:5
It closes；The dispersing agent is mixed by lauryl sodium sulfate, polyvinylpyrrolidone and sodium octyl with mass ratio for 2:3:6
It closes.
The preparation method of the sheathing material the following steps are included:
(1) melamine resin, glass fibre and crosslinking agent are mixed and is added in autoclave, be first warming up to 140-
160 DEG C, while 6-8MPa is boosted to, heat preservation is warming up to 220-240 DEG C after being kneaded 40-60min again, while boosting to 10- again
12MPa, pressure maintaining restore after being crosslinked 30-50min to normal pressure, add organic siliconresin, continue heat preservation mixing 2-3h and obtain mixed base
Expect spare；
(2) by polyphenylene di(2-ethylhexyl)phosphate benzeneazo ester, perfluorobutyl potassium sulfonate, the double phosphorus of 2,2 '-diphenylenepropane tetraphenyls
It is added in mixer after acid esters and methyl-phosphoric acid dimethyl ester mixing, is warming up to 180-200 DEG C, boost to 8-10MPa, pressure maintaining infiltration
It is mixed object after 1-2h to be placed in refrigerator, and cryo-conservation 2-3h under the conditions of subzero 40 DEG C-subzero 30 DEG C, obtains mixture
A is spare；
(3) will zinc stannate, ammonium molybdate, ferrocene and aluminium hydroxide be added ball mill in carry out mixed grinding, after mixed
It closes object to be placed in high temperature furnace, is warming up to 400-420 DEG C, it is spare that heat preservation roasting 2-3h obtains mixture B；
(4) mixture A obtained and mixture B is mixed and is added in high speed disperser, be warming up to 160-180 DEG C, high speed
It is spare that dispersion 30-40min obtains auxiliary material；
(5) auxiliary material obtained is added in the autoclave in above-mentioned steps (1), adds curing agent and dispersing agent, kept the temperature
It is mixed object after mixing 3-5h to squeeze into injection molding machine, injection molding obtains product.
Wherein, adjustment revolving speed is to 150-170r/min in the step (1), and the revolving speed of the middle adjustment autoclave of step (2) is extremely
130-150r/min, the middle adjustment revolving speed of step (4) to 1200-1500r/min；In the step (3) mixed grinding to cross 200 mesh
Sieve.
Embodiment 4:
Detect fire detector sheathing material obtained by common on the market fire detector sheathing material and embodiment 1-3
Fire retardant performance, using the standard GB/T 2406-80 of oxygen index (OI) (LOI) method, detecting step is as follows:
(1) control group 1-3 is set by 3 kinds of common sheathing materials on the market, the sheathing material setting in embodiment 1-3
For experimental group 1-3, control group and the sheathing material of experimental group are prepared into the sample that specification is 10 × 5 × 5mm；
(2) sample is placed in vacuum combustion chamber, is passed through oxygen-nitrogen mixture body, detect oxygen-nitrogen mixture after sample burning
The concentration of body measures oxygen index (OI) LOI (%) data of each shell；
(3) sample is placed in air and carries out heating burning, observe and record its burn form and flaming combustion time
(s)。
Its testing result is as shown in the table:
Required oxygen concentration highest when as seen from the above table, due to the sample burning of experimental group 2, when lighting flaming combustion for the first time
Between it is most short and without dripping off, therefore its fire retardant performance of sheathing material obtained by embodiment 2 is best.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of potent flameproof case material of detector for fire alarm system, which is characterized in that the sheathing material is by following weight
The raw material of part is made: 45-55 parts of melamine resin, 1-2 parts of glass fibre, 0.8-1.2 parts of crosslinking agent, organic siliconresin
15-20 parts, 6-8 parts of polyphenylene di(2-ethylhexyl)phosphate benzeneazo ester, 3-5 parts of perfluorobutyl potassium sulfonate, 2,2 '-diphenylenepropane tetraphenyls
5-7 parts of biphosphonate, 2-4 parts of methyl-phosphoric acid dimethyl ester, 4-5 parts of zinc stannate, 2-3 parts of ammonium molybdate, 3-4 parts of ferrocene, hydroxide
2-3 parts of aluminium, 2-4 parts of curing agent, 2-4 parts of dispersing agent.
2. a kind of potent flameproof case material of detector for fire alarm system according to claim 1, which is characterized in that described
Sheathing material is made of raw material from the following weight: 50 parts of melamine resin, 1.5 parts of glass fibre, crosslinking agent 1.0
Part, 18 parts of organic siliconresin, 7 parts of polyphenylene di(2-ethylhexyl)phosphate benzeneazo ester, 4 parts of perfluorobutyl potassium sulfonate, 2,2 '-diphenylenepropanes
6 parts of tetraphenyl diphosphate, 3 parts of methyl-phosphoric acid dimethyl ester, 4.5 parts of zinc stannate, 2.5 parts of ammonium molybdate, 3.5 parts of ferrocene, hydrogen-oxygen
Change 2.5 parts of aluminium, 3 parts of curing agent, 3 parts of dispersing agent.
3. a kind of potent flameproof case material of detector for fire alarm system according to claim 1, which is characterized in that described
Crosslinking agent is mixed by N, N- methylene bisacrylamide and 1,4- butanediol diglycidyl ether with mass ratio for 2:1.
4. a kind of potent flameproof case material of detector for fire alarm system according to claim 1, which is characterized in that described
Curing agent is mixed by curing agent NX-2040, curing agent NX-2041 and curing agent NX-2045 with mass ratio for 1:3:5.
5. a kind of potent flameproof case material of detector for fire alarm system according to claim 1, which is characterized in that described
Dispersing agent is mixed by lauryl sodium sulfate, polyvinylpyrrolidone and sodium octyl with mass ratio for 2:3:6.
6. a kind of detector for fire alarm system preparation method of potent flameproof case material, which is characterized in that the sheathing material
Preparation method the following steps are included:
(1) melamine resin, glass fibre and crosslinking agent are mixed and are added in autoclave, be first warming up to 140-160 DEG C,
6-8MPa is boosted to simultaneously, and heat preservation is warming up to 220-240 DEG C after being kneaded 40-60min again, while boosting to 10-12MPa again, protects
Restore after pressure crosslinking 30-50min to normal pressure, add organic siliconresin, continues heat preservation and be kneaded 2-3h to obtain mixed resin spare；
(2) by polyphenylene di(2-ethylhexyl)phosphate benzeneazo ester, perfluorobutyl potassium sulfonate, 2,2 '-diphenylenepropane tetraphenyl diphosphates
It is added in mixer with after methyl-phosphoric acid dimethyl ester mixing, is warming up to 180-200 DEG C, boost to 8-10MPa, 1-2h is permeated in pressure maintaining
After be mixed object and be placed in refrigerator, it is standby to obtain mixture A by and cryo-conservation 2-3h under the conditions of subzero 40 DEG C-subzero 30 DEG C
With；
(3) will zinc stannate, ammonium molybdate, ferrocene and aluminium hydroxide be added ball mill in carry out mixed grinding, after be mixed object
It is placed in high temperature furnace, is warming up to 400-420 DEG C, it is spare that heat preservation roasting 2-3h obtains mixture B；
(4) mixture A obtained and mixture B is mixed and is added in high speed disperser, be warming up to 160-180 DEG C, high speed dispersion
It is spare that 30-40min obtains auxiliary material；
(5) auxiliary material obtained is added in the autoclave in above-mentioned steps (1), adds curing agent and dispersing agent, heat preservation is kneaded
It is mixed object after 3-5h to squeeze into injection molding machine, injection molding obtains product.
7. a kind of detector for fire alarm system according to claim 6 preparation method of potent flameproof case material, special
Sign is, revolving speed is adjusted in the step (1) to 150-170r/min, the middle revolving speed for adjusting autoclave of step (2) to 130-
150r/min, the middle adjustment revolving speed of step (4) to 1200-1500r/min.
8. a kind of detector for fire alarm system according to claim 6 preparation method of potent flameproof case material, special
Sign is, mixed grinding is to crossing 200 meshes in the step (3).
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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