CN106893074A - A kind of preparation method of high fire-retardance smoke-inhibiting type RPUF - Google Patents

A kind of preparation method of high fire-retardance smoke-inhibiting type RPUF Download PDF

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CN106893074A
CN106893074A CN201710122742.5A CN201710122742A CN106893074A CN 106893074 A CN106893074 A CN 106893074A CN 201710122742 A CN201710122742 A CN 201710122742A CN 106893074 A CN106893074 A CN 106893074A
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urethane composition
rpuf
weight
smoke
high fire
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胡胜利
马六甲
谢浩
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Tianjin Fire Fighting Institute Ministry of Public Security
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Tianjin Fire Fighting Institute Ministry of Public Security
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    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/74Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
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    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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    • C08J9/12Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
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    • C08K5/00Use of organic ingredients
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    • C08K5/51Phosphorus bound to oxygen
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    • C08J2375/00Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
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Abstract

The invention discloses a kind of preparation method of high fire-retardance smoke-inhibiting type RPUF, its step is:PPG, APP, pentaerythrite, expanded graphite, smoke suppressant, Halogen liquid flame retardant, foaming agent, organic amine catalyst, foam stabiliser are mixed and made into urethane composition A;Isocyanates, catalyst are mixed and made into urethane composition B;Quickly stirred during urethane composition B is added into urethane composition A;It is subsequently poured into mould, is foamed under normal temperature, high fire-retardance smoke-inhibiting type RPUF is obtained after foam curing.The present invention is using halogen-free environment-friendly type solid flame retardant APP, pentaerythrite, expanded graphite, smoke suppressant and Halogen liquid flame retardant, substitute conventional halogen containing flame-retardant, reach the fire-retardant effect of synergistic, the problems such as smoke delivery is big when efficiently solving ordinary rigid polyurethane foam plastics poor flame retardant properties, burning, while also maintaining the physicochemical property of RPUF.

Description

A kind of preparation method of high fire-retardance smoke-inhibiting type RPUF
Technical field
The present invention relates to polyurethane material and preparation method thereof, more particularly to a kind of high fire-retardance smoke-inhibiting type hard polyaminoester The preparation method of foamed plastics.
Background technology
RPUF(Abbreviation RPU)It is one of most important kind in polyurethane material system, with excellent Good physical and mechanical properties, acoustical behavior, electric property and acid-fast alkali-proof performance.The rate of closed hole of the material belongs to more than 90% Hydrophobic material, with preferable moistureproof and waterproof performance and good thermal insulation, sound insulation, shockproof properties, with very strong cohesive force, It is widely used as the heat-insulation material of petrochemical pipe, refrigerating equipment, transporting equipment and building etc..However, without resistance The RPU for the treatment of is fired because its density is small, specific surface area big, and anti-flammability is poor, and oxygen index (OI) is only 17% or so, belongs to combustible material, After fire, propagation of flame is rapid, and discharges substantial amounts of poison gas(Such as CO, CO2, HCN etc.), brought very to fire extinguishing and escape from fire Big difficulty.Because RPU causes fire and causes the case of huge economic losses and casualties existing many at home and abroad.Cause This, the fire safety evaluating hidden danger existing for RPU materials causes great attention both domestic and external.Over nearly twenties years, Duo Jia sections of China Grind unit and have developed various new fire retardant, such as dimethyl methyl phosphonate (DMMP), trichloroethyl phosphate (TCEP), three (2, 3- dibromopropyls) phosphorous, halogen the organic liquid fire retardant such as melamine ester (TBC), although RPU material oxygen index (OI)s can be carried Height is to 26% or so, but disaster hidden-trouble of the material in use occasion is larger.The halogen containing flame-retardant added in RPU is in burning Time can discharge substantial amounts of corrosivity, the hydrogen halide of severe toxicity, be unfavorable for fire rescue.
Continuous improvement with country to environmental requirement, the fire retardant applied in RPU materials there has also been certain environmental protection Limitation.Therefore high fire-retardance, smoke-inhibiting type RPU materials are the trend of the Materials.
The content of the invention
It is an object of the invention to provide a kind of preparation method of high fire-retardance smoke-inhibiting type RPUF.Using this High fire-retardance RPUF obtained in method uses polyhydroxy based high-polymer, isocyanates, APP, Ji Wusi The processing of the Material claddings such as alcohol, expanded graphite, smoke suppressant, Halogen liquid flame retardant, foaming agent, catalyst, foam stabiliser is obtained Target product, the various mechanical performances and physicochemical property of product are not reduced on the premise of RPU fire resistances are improved(Such as:Impact Intensity, water absorption rate, tensile strength etc.), while have the APP of fire retardation, pentaerythrite, expanded graphite, smoke suppressant, The equal Halogen of Halogen liquid flame retardant, environmental protection.
The present invention is adopted the technical scheme that:A kind of preparation method of high fire-retardance smoke-inhibiting type RPUF, Characterized in that, described preparation method has following steps:
A) PPG, APP, pentaerythrite, expanded graphite, smoke suppressant, Halogen liquid are hindered according to parts by weight, Combustion agent, foaming agent, organic amine catalyst, foam stabiliser are well mixed, and are made urethane composition A, urethane composition A Stirring incorporation time≤2 minute, after stirring evenly, encrypt capping, room temperature standing time≤5 minute on blending tank.
B) isocyanates, organic tin catalyst are well mixed according to parts by weight, urethane composition B is made, are gathered Urethane composition B stirs incorporation time≤5 minute, after stirring evenly, capping, room temperature standing time≤10 minute is encrypted on blending tank.
C), by urethane composition B addition urethane compositions A, quickly stir, incorporation time≤1 minute.
d), by step c)In be well mixed material pour into mould, under normal temperature foam, curing, foam cure 24 hours Described high fire-retardance smoke-inhibiting type RPUF is obtained afterwards.
In step a) of the present invention, PPG is amine PPG and Sucrose polyethers polyalcohol, polyethers Parts by weight shared by polyalcohol are the 20~30 of urethane composition A and urethane composition B weight summations.
In step a) of the present invention, APP selected from the industrial products that the degree of polymerization is 500, shared by APP Parts by weight are the 3~5 of urethane composition A and urethane composition B weight summations.
In step a) of the present invention, it is 95% that pentaerythrite is selected from content, and fineness is the industrial products of 200 mesh, season penta Parts by weight shared by tetrol are the 3~5 of urethane composition A and urethane composition B weight summations.
In step a) of the present invention, it is 32 mesh that expanded graphite is selected from granularity, and moisture content is 1%, initial bubble temperature 200 DEG C, expansion multiplying power is the industrial products of 200ml/g, and the parts by weight shared by expanded graphite are urethane composition A and poly- ammonia The 9~13 of ester composition B weight summations.
In step a) of the present invention, smoke suppressant be selected from Firebrake ZB, aluminium hydroxide, magnesium hydroxide in any one, Parts by weight shared by smoke suppressant are the 8~12 of urethane composition A and urethane composition B weight summations.
In step a) of the present invention, Halogen liquid flame retardant be selected from dimethyl methyl phosphonate, ethyl phosphonic acid diethylester, Any one in trimethyl phosphate, triphenyl phosphate, the parts by weight shared by Halogen liquid flame retardant are urethane composition A With the 5~7 of urethane composition B weight summations.
In step a) of the present invention, foaming agent is HCFC-141 foaming agents, HCFC-141b foaming agents, CFC-11 hairs Any one in infusion or water, the parts by weight shared by foaming agent are that urethane composition A and urethane composition B weight are total The 6~10 of sum.
In step a) of the present invention, foam stabiliser is organosilicon foam stabilizer, selected from polysiloxane-polyether copolymerization Any one in thing, H3605 or H3603 polysiloxane surfactants, the parts by weight shared by foam stabiliser are poly- ammonia The 0.6~0.8 of ester composition A and urethane composition B weight summations.
In step a) of the present invention, organic amine catalyst is selected from triethylene diamine, N, N, N, N, N- pentamethyl two Any one in ethene triamine, the parts by weight shared by organic amine catalyst are urethane composition A and polyurethane composition The 0.4~0.6 of thing B weight summations.
In step b) of the present invention, it is many that isocyanates is selected from '-diphenylmethane diisocyanate, polyphenyl polymethylene Any one in isocyanates, the parts by weight shared by isocyanates are urethane composition A and urethane composition B weight The 30~45 of summation.
In step b) of the present invention, organic tin catalyst is selected from dibutyltin dilaurate and two (dodecanes Base sulphur) any one in dibutyl tin, the parts by weight shared by organic tin catalyst are urethane composition A and polyurethane The 0.4~0.6 of composition B weight summations.
The RPUF that prior art is prepared, it is generally halogen containing flame-retardant to be chosen due to fire retardant, because It receives the problems such as thermal decomposition poisonous hydrogen halide of release causes personnel escape, rescue is difficult, so being subject in actual applications Very big limitation.The present invention is specially using Halogen, phosphorous environmentally friendly solid-liquid composite fire retardant, the fire retardant of recommendation:It is poly- Ammonium phosphate, pentaerythrite, expanded graphite, smoke suppressant and liquid phosphonium flame retardant.Wherein APP is a kind of inorganic polymer Fire retardant, phosphorus content is high(31%), degree of polymerization > 50, the strong dehydrating agent such as formation polyphosphoric acid, poly-metaphosphoric acid under high temperature, and play solid Phase fire retardation, uses in various plastics as flame-retardant additive;Pentaerythrite is polyhydroxy solid powder, strong under high temperature Acid(Polyphosphoric acid, poly-metaphosphoric acid)Charcoal is dehydrated under effect, solid phase fire retardation is played.The expanded graphite of selection is more than 200 DEG C Be expanded into charcoal, with APP, pentaerythrite synergistic formed with some strength foamed char, play solid phase it is fire-retardant, fire prevention Heat-insulated effect.Smoke suppressant is selected from Firebrake ZB, aluminium hydroxide and magnesium hydroxide, and substantial amounts of knot is contained in three kinds of products molecule structures Brilliant water, the crystallization water that Disassembling Products go out under high temperature not only absorbs heat, and has watered down toxic gas, reaches the work of flame-retardant smoke inhibition With.Liquid phosphonium flame retardant is selected from dimethyl methyl phosphonate(DMMP), ethyl phosphonic acid diethylester (DEEP), trimethyl phosphate, phosphorus Triphenyl phosphate ester, liquid phosphonium flame retardant has obvious due to good dispersiveness and molecular structure to polyurethane foam plastics Flame retardant effect.
According to the preparation technology of RPUF, it is divided into two kinds of components of PPG and isocyanates, two 5 to 10 minutes generating polyurethane foamed plastics of immediate response after component mixing.By APP, pentaerythrite, expanded graphite, suppression cigarette Agent and liquid phosphonium flame retardant are uniformly dispersed in polyhydroxylated polymer, are then well mixed with isocyanate component, room temperature hair Bubble, curing, are obtained high fire-retardance smoke-inhibiting type RPUF.
Beneficial effects of the present invention are:The present invention is using APP, pentaerythrite, expanded graphite, smoke suppressant and contains Phosphorus liquid flame retardant substitutes conventional halogen containing flame-retardant as synergistic flame retardant, has reached the fire-retardant effect of synergistic, effective to solve The problems such as smoke delivery is big when ordinary rigid polyurethane foam plastics poor flame retardant properties, burning, while also maintaining hard The physicochemical property of polyurethane foam plastics.The material is environment-friendly type not halogen-containing flame retardant product, may be uniformly dispersed in polyhydroxy In based polyalcohol, its synergistic flame retardant effect not only substantially increases the oxygen index (OI) of RPU(Oxygen index (OI) is up to 42), while the material Material is expanded into charcoal at high temperature, with certain refractory heat-insulating performance.RPU obtained by the present invention, it is former RPU materials are maintained On the premise of rationalization performance, its anti-flammability is greatly improved, meets country for RPU materials in the side such as insulation, thermal insulation The flame-retardancy requirements in face, material has certain fire insulation, and preparation process is simple, and process conditions are easily controllable, are suitable to work Industry metaplasia is produced and popularization and application.
Specific embodiment
The invention will be further described with reference to embodiments:
Embodiment one
1. urethane composition A is prepared
Weigh 23gWANOL R8245 Sucrose polyethers polyalcohols, APP 3g, pentaerythrite 4g, expanded graphite 10g, boric acid Zinc 10g and dimethyl methyl phosphonate 5g, organic amine catalyst(Triethylene diamine)0.5g, foam stabiliser(H3605) 0.7g, foaming agent(HCFC-141b)9.3g, quickly stirs, and is made urethane composition A.Urethane composition A stirrings are mixed Close 1 minute, after stirring evenly, capping is encrypted on blending tank, room temperature is placed 3 minutes.
2. urethane composition B is prepared
Weigh 34g isocyanates (PAPI), organic tin catalyst(Dibutyltin dilaurate)0.5g, 3 points of stirring mixing Clock, is made urethane composition B.After stirring evenly, capping is encrypted on blending tank, room temperature is placed 3 minutes.
The foaming that 3.PU hard bubbles
Urethane composition B is poured into urethane composition A, quick stirring 1 minute is poured into mould, it is room temperature foaming, ripe Change, after curing 24h, you can obtain a kind of high fire-retardance smoke-inhibiting type RPUF.
Properties of product test result:Density 40.0kg/cm3, oxygen index (OI) 36.0, thermal conductivity factor 0.024W/ (m2·K)。
Embodiment two
1. urethane composition A is prepared
Weigh 23gWANOL R8245 Sucrose polyethers polyalcohols, APP 3g, pentaerythrite 4g, expanded graphite 10g, hydrogen-oxygen Change aluminium 10g and dimethyl methyl phosphonate 5g, organic amine catalyst(Triethylene diamine)0.5g, foam stabiliser(H3605) 0.7g, foaming agent(HCFC-141b)9.3g, quickly stirs, and is made urethane composition A.Urethane composition A stirrings are mixed Close 1 minute, after stirring evenly, capping is encrypted on blending tank, room temperature is placed 3 minutes.
2. urethane composition B is prepared
Weigh 34g isocyanates (PAPI), organic tin catalyst(Dibutyltin dilaurate)0.5g, 3 points of stirring mixing Clock, is made urethane composition B.After stirring evenly, capping is encrypted on blending tank, room temperature is placed 3 minutes.
The foaming that 3.PU hard bubbles
Urethane composition B is poured into urethane composition A, quick stirring 1 minute is poured into mould, it is room temperature foaming, ripe Change, after curing 24h, you can obtain a kind of high fire-retardance smoke-inhibiting type RPUF.
Properties of product test result:Density 44.0kg/cm3, oxygen index (OI) 35.5, thermal conductivity factor 0.024W/ (m2·K)。
Embodiment three
1. urethane composition A is prepared
Weigh 23gWANOL R8245 Sucrose polyethers polyalcohols, APP 3g, pentaerythrite 4g, expanded graphite 10g, hydrogen-oxygen Change magnesium 10g and dimethyl methyl phosphonate 5g, organic amine catalyst(Triethylene diamine)0.5g, foam stabiliser(H3605) 0.7g, foaming agent(HCFC-141b)9.3g, quickly stirs, and is made urethane composition A.Urethane composition A stirrings are mixed Close 1 minute, after stirring evenly, capping is encrypted on blending tank, room temperature is placed 3 minutes.
2. urethane composition B is prepared
Weigh 34g isocyanates (PAPI), organic tin catalyst(Dibutyltin dilaurate)0.5g, 3 points of stirring mixing Clock, is made urethane composition B.After stirring evenly, capping is encrypted on blending tank, room temperature is placed 3 minutes.
The foaming that 3.PU hard bubbles
Urethane composition B is poured into urethane composition A, quick stirring 1 minute is poured into mould, it is room temperature foaming, ripe Change, after curing 24h, you can obtain a kind of high fire-retardance smoke-inhibiting type RPUF.
Properties of product test result:Density 42.5kg/cm3, oxygen index (OI) 33.0, thermal conductivity factor 0.024W/ (m2·K)。
Example IV
1. urethane composition A is prepared
Weigh 20gWANOL R8245 Sucrose polyethers polyalcohols, APP 3g, pentaerythrite 5g, expanded graphite 13g, hydrogen-oxygen Change aluminium 12g and dimethyl methyl phosphonate 7g, organic amine catalyst(Triethylene diamine)0.5g, foam stabiliser(H3605) 0.7g, foaming agent(HCFC-141b)8.3g, stirring mixing 1 minute after stirring evenly, encrypts capping on blending tank, be made polyurethane group Compound A, room temperature is placed 3 minutes.
2. urethane composition B is prepared
Weigh isocyanates (PAPI) 30g, organic tin catalyst(Dibutyltin dilaurate)0.5g, 3 points of stirring mixing Clock, is made urethane composition B.After stirring evenly, capping is encrypted on blending tank, room temperature is placed 3 minutes.
The foaming that 3.PU hard bubbles
Urethane composition B is poured into urethane composition A, quick stirring 1 minute is poured into mould, it is room temperature foaming, ripe Change, after curing 24h, you can obtain a kind of high fire-retardance smoke-inhibiting type RPUF.
Properties of product test result:The kg/cm of density 51.83;Oxygen index (OI) 42.0(GB2406);Thermal conductivity factor 0.029W/ (mK), water absorption rate 0.2kg/m2, dimensional stability 1.67%.
Embodiment five
1. urethane composition A is prepared
Weigh 20gWANOL R2438A amine PPGs, APP 3g, pentaerythrite 5g, expanded graphite 13g, hydrogen-oxygen Change aluminium 12g and dimethyl methyl phosphonate 7g, organic amine catalyst(Triethylene diamine)0.5g, foam stabiliser(H3605) 0.7g, foaming agent(HCFC-141b)8.3g, stirring mixing 1 minute after stirring evenly, encrypts capping on blending tank, be made polyurethane group Compound A, room temperature is placed 3 minutes.
2. urethane composition B is prepared
Weigh isocyanates (PAPI) 30g, organic tin catalyst(Dibutyltin dilaurate)0.5g, 3 points of stirring mixing Clock, is made urethane composition B.After stirring evenly, capping is encrypted on blending tank, room temperature is placed 3 minutes.
The foaming that 3.PU hard bubbles
Urethane composition B is poured into urethane composition A, quick stirring 1 minute is poured into mould, it is room temperature foaming, ripe Change, after curing 24h, you can obtain a kind of high fire-retardance smoke-inhibiting type RPUF.
Properties of product test result:The kg/cm of density 42.53;Oxygen index (OI) 37.0(GB2406).
Embodiment six
1. urethane composition A is prepared
Weigh 20gWANOL R8245 Sucrose polyethers polyalcohols, APP 3g, pentaerythrite 5g, expanded graphite 13g, hydrogen-oxygen Change aluminium 12g and ethyl phosphonic acid diethylester 7g, organic amine catalyst(Triethylene diamine)0.5g, foam stabiliser(H3605) 0.7g, foaming agent(HCFC-141b)8.3g, stirring mixing 1 minute after stirring evenly, encrypts capping on blending tank, be made polyurethane group Compound A, room temperature is placed 3 minutes.
2. urethane composition B is prepared
Weigh isocyanates (PAPI) 30g, organic tin catalyst(Dibutyltin dilaurate)0.5g, 3 points of stirring mixing Clock, is made urethane composition B.After stirring evenly, capping is encrypted on blending tank, room temperature is placed 3 minutes.
The foaming that 3.PU hard bubbles
Urethane composition B is poured into urethane composition A, quick stirring 1 minute is poured into mould, it is room temperature foaming, ripe Change, after curing 24h, you can obtain a kind of high fire-retardance smoke-inhibiting type RPUF.
Properties of product test result:Density 60kg/cm3;Oxygen index (OI) 38.0(GB2406);
Middle different smoke suppressants according to embodiment one, embodiment two and embodiment three influence on the anti-flammability of product, Firebrake ZB effect Preferably, aluminium hydroxide slightly takes second place fruit, and magnesium hydroxide is worst.According to considering for performance and cost, it is proposed that selection hydrogen-oxygen Change aluminium as smoke suppressant.
According to example IV and the result of the test of embodiment six, the dispersiveness of liquid phosphonium flame retardant dimethyl methyl phosphonate and The fire resistance of RPUF product is substantially better than ethyl phosphonic acid diethylester, it is proposed that selection dimethyl methyl phosphonate As liquid phosphonium flame retardant.
Example IV and embodiment five have mainly carried out contrast test to amine polyethers and Sucrose polyethers, by Sucrose polyethers system Standby RPUF fire resistance is more excellent, it is therefore proposed that selection Sucrose polyethers are used as PPG.
By the comparison of test results to one~embodiment of embodiment six, the anti-flammability of example IV, physicochemical property and Cost of raw material combination property is the most excellent, therefore selection example IV carries out high fire-retardance, the modeling of smoke-inhibiting type hard polyurethane foams Expect the fire resistance test of composite plate:
According to the formula of example IV, using the technique for pouring, plywood material is made(Steel plate thickness 1.0mm, RPU thickness degree 50mm) 120mm × 120mm × 50mm, is placed on muffle furnace mouthful, and iron sheet aligns with stove collar extension on the outside of plate, and surrounding gap is stifled tight laggard with rock wool Row fire resistance test, and the temperature of composite board outer layer iron sheet is determined with thermocouple.Muffle furnace control is with reference to GB9978 " buildings The heating curve of component fire resistance test method ", when experiment carries out 30 minutes, 930 DEG C of furnace temperature is combined 142 DEG C of backboard temperature.By implementing The technique of example four and the high fire-retardance of formula preparation, smoke-inhibiting type RPUF composite board have good refractory heat-insulating Performance.

Claims (12)

1. a kind of preparation method of high fire-retardance smoke-inhibiting type RPUF, it is characterised in that described preparation method There are following steps:
A) PPG, APP, pentaerythrite, expanded graphite, smoke suppressant, Halogen liquid are hindered according to parts by weight, Combustion agent, foaming agent, organic amine catalyst, foam stabiliser are well mixed, and are made urethane composition A, urethane composition A Stirring incorporation time≤2 minute, after stirring evenly, encrypt capping, room temperature standing time≤5 minute on blending tank;
B) isocyanates, organic tin catalyst are well mixed according to parts by weight, urethane composition B, polyurethane is made Composition B stirs incorporation time≤5 minute, after stirring evenly, capping, room temperature standing time≤10 minute is encrypted on blending tank;
C), by urethane composition B addition urethane compositions A, quickly stir, incorporation time≤1 minute;
d), by step c)In be well mixed material pour into mould, under normal temperature foam, curing, foam cure 24 hours after i.e. Described high fire-retardance smoke-inhibiting type RPUF is obtained.
2. a kind of preparation method of high fire-retardance smoke-inhibiting type RPUF according to claim 1, its feature It is that in described step a), PPG is amine PPG and sucrose PPG, PPG institute The parts by weight for accounting for are the 20~30 of urethane composition A and urethane composition B weight summations.
3. a kind of preparation method of high fire-retardance smoke-inhibiting type RPUF according to claim 1, its feature It is that in described step a), APP is selected from the industrial products of the degree of polymerization 500, the parts by weight shared by APP are The 3~5 of urethane composition A and urethane composition B weight summations.
4. a kind of preparation method of high fire-retardance smoke-inhibiting type RPUF according to claim 1, its feature It is that in described step a), it is 95% that pentaerythrite is selected from content, and fineness is the industrial products of 200 mesh, shared by pentaerythrite Parts by weight be the 3~5 of urethane composition A and urethane composition B weight summations.
5. a kind of preparation method of high fire-retardance smoke-inhibiting type RPUF according to claim 1, its feature It is that in described step a), it is 32 mesh that expanded graphite is selected from granularity, and moisture content is 1%, initial bubble temperature is 200 DEG C, swollen Swollen multiplying power is the industrial products of 200ml/g, and the parts by weight shared by expanded graphite are urethane composition A and urethane composition The 9~13 of B weight summations.
6. a kind of preparation method of high fire-retardance smoke-inhibiting type RPUF according to claim 1, its feature Be, in described step a), smoke suppressant be selected from Firebrake ZB, aluminium hydroxide, magnesium hydroxide in any one, shared by smoke suppressant Parts by weight be the 8~12 of urethane composition A and urethane composition B weight summations.
7. a kind of preparation method of high fire-retardance smoke-inhibiting type RPUF according to claim 1, its feature It is that in described step a), Halogen liquid flame retardant is selected from dimethyl methyl phosphonate, ethyl phosphonic acid diethylester, tripotassium phosphate Any one in ester, triphenyl phosphate, the parts by weight shared by Halogen liquid flame retardant are urethane composition A and polyurethane The 5~7 of composition B weight summations.
8. a kind of preparation method of high fire-retardance smoke-inhibiting type RPUF according to claim 1, its feature It is that in described step a), foaming agent is in HCFC-141 foaming agents, HCFC-141b foaming agents, CFC-11 foaming agents or water Any one, parts by weight shared by foaming agent are the 6~10 of urethane composition A and urethane composition B weight summations.
9. a kind of preparation method of high fire-retardance smoke-inhibiting type RPUF according to claim 1, its feature Be, in described step a), foam stabiliser be organosilicon foam stabilizer, selected from polysiloxane-polyether copolymer, H3605 or Any one in H3603 polysiloxane surfactants, parts by weight shared by foam stabiliser for urethane composition A and The 0.6~0.8 of urethane composition B weight summations.
10. a kind of preparation method of high fire-retardance smoke-inhibiting type RPUF according to claim 1, its feature It is that in described step a), organic amine catalyst is selected from triethylene diamine, N, N, N, N, N- pentamethyl-diethylenetriamine In any one, parts by weight shared by organic amine catalyst are that urethane composition A and urethane composition B weight are total The 0.4~0.6 of sum.
A kind of 11. preparation methods of high fire-retardance smoke-inhibiting type RPUF according to claim 1, its feature It is that in described step b), isocyanates is selected from '-diphenylmethane diisocyanate, polyphenyl polymethylene polyisocyanates Any one, parts by weight shared by isocyanates for urethane composition A and urethane composition B weight summations 30~ 45。
A kind of 12. preparation methods of high fire-retardance smoke-inhibiting type RPUF according to claim 1, its feature It is that in described step b), organic tin catalyst is selected from dibutyltin dilaurate and two (dodecyl sulphur) two fourths Any one in base tin, the parts by weight shared by organic tin catalyst are urethane composition A and urethane composition B weights The 0.4~0.6 of amount summation.
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CN109205095A (en) * 2018-08-08 2019-01-15 宿松县佳宜装饰有限公司 One kind filling heating heat-insulating case
CN109593226A (en) * 2018-11-16 2019-04-09 山东省海洋化工科学研究院 A kind of method of low-shrinkage flame retardant polyurethane rigid foam material being formulated and its prepare foamed material
CN110272560A (en) * 2019-05-06 2019-09-24 什邡市太丰新型阻燃剂有限责任公司 A kind of novel halogen-free flame-retardant hard polyurethane foam and preparation method thereof
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WO2021044002A1 (en) * 2019-09-05 2021-03-11 Basf Se A flexible polyurethane foam, process for preparing the same and use thereof
CN111961328A (en) * 2020-08-30 2020-11-20 宁波耀众模塑科技有限公司 Flame-retardant polyether reinforced polyurea mixture for polyurethane foaming product
CN112358647A (en) * 2020-10-23 2021-02-12 舒伟伟 High-strength polyurethane rigid foam plastic and preparation method thereof
CN113372528A (en) * 2021-01-11 2021-09-10 安徽科技学院 High-strength flame-retardant polyurethane foam plastic and preparation method thereof
CN113861664A (en) * 2021-10-20 2021-12-31 荣威达光电(东莞)有限公司 Wear-resistant flame-retardant TPU material and preparation method thereof
CN116217861A (en) * 2023-02-23 2023-06-06 山东奥卓新材料有限公司 Polyurethane vibration damping and sound insulation pad with high flame retardance and no combustion droppings/particles and preparation method thereof
CN116217861B (en) * 2023-02-23 2024-03-12 山东奥卓新材料有限公司 Polyurethane vibration damping and sound insulation pad with high flame retardance and no combustion droppings/particles and preparation method thereof
CN116814063A (en) * 2023-06-29 2023-09-29 杭州康诚汽车附件有限公司 Flame-retardant semi-rigid polyurethane foam and preparation method thereof
KR102649459B1 (en) * 2023-07-14 2024-03-19 신장균 Manufacturing method of flame-retardant urethane foam

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