CN105524245A - High-toughness flame-retardant hard polyurethane foam board - Google Patents

High-toughness flame-retardant hard polyurethane foam board Download PDF

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Publication number
CN105524245A
CN105524245A CN201410521980.XA CN201410521980A CN105524245A CN 105524245 A CN105524245 A CN 105524245A CN 201410521980 A CN201410521980 A CN 201410521980A CN 105524245 A CN105524245 A CN 105524245A
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China
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parts
polyurethane foams
rigid polyurethane
high tenacity
component
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CN201410521980.XA
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Chinese (zh)
Inventor
齐海港
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Xi'an Aifeier Composite Materials Technology Co Ltd
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Xi'an Aifeier Composite Materials Technology Co Ltd
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Priority to CN201410521980.XA priority Critical patent/CN105524245A/en
Publication of CN105524245A publication Critical patent/CN105524245A/en
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Abstract

The invention discloses a flame-retardant hard polyurethane foam board. The flame-retardant hard polyurethane foam board is characterized by being prepared through carrying out a foaming reaction on raw materials of a component A and a component B in parts by weight, wherein the component A contains 70-80 parts of 2-4 kinds of polyether polyols, 10-15 parts of polyester polyol obtained through a reaction between phthalic anhydride and adipic acid, 5-10 parts of high-functionality polyether polyol, 2-4 parts of catalyst, 2-3 parts of rigid-foam silicone oil, 3-6 parts of foamer, 1-1.5 parts of pore opener, 0.2-0.5 part of trimer catalyst and 4-8 parts of solid flame retardant, and the component B contains 120-150 parts of isocyanate. The flame-retardant hard polyurethane foam board simultaneously has excellent rigidity, toughness and flame retardance, is extensively applied to fields needing buffer performance and is good in safety performance.

Description

A kind of high tenacity flame retarded rigid polyurethane foams plate
Technical field
The present invention relates to polyurethane foam production field, be specifically related to a kind of high tenacity flame retarded rigid polyurethane foams plate.
Background technology
Along with the develop rapidly of society, the requirement of people to material property is more and more higher, and urethane is widely used in all respects of living as a kind of material of excellent performance.Wherein polyurathamc plays irreplaceable effect in the fields such as building, automotive trim, life staying idle at home.But often there is the problem of toughness deficiency, shock-absorbing capacity difference easy fracture in the hard polyurethane foam board of rigidity.In addition, current people require more and more higher to the over-all properties of material, and especially excellent flame retardant properties more and more comes into one's own.Polyurethane material contains flammable hydrocarbon segment, specific surface area is large, density is little, be easy to burning, and the polyurethane material of foaming is because percentage of open area is high, air circulation is good, oxygen is easy to enter into material endlessly, makes it more easily burn and cannot certainly put out, easily causes serious fire failure.
Summary of the invention
The object of this invention is to provide a kind of high tenacity flame retarded rigid polyurethane foams plate, solve poor toughness that rigid polyurethane foam in prior art exists, frangibility, easy firing and the technical problem that can not certainly put out.
Technical scheme of the present invention is, a kind of high tenacity flame retarded rigid polyurethane foams plate, carry out foamable reaction by component A and B component by the raw material of following weight proportion to obtain, described component A comprises 70 ~ 80 parts of 2 ~ 4 kinds of polyether glycols, the polyester polyol that 10 ~ 15 parts of phthalic anhydrides and hexanodioic acid react, 5 ~ 10 parts of high functionality polyether glycols, catalyzer 2 ~ 4 parts, hard bubble silicone oil 2 ~ 3 parts, whipping agent 3 ~ 6 parts, pore-creating agent 1 ~ 1.5 part, catalyst for trimerization 0.2 ~ 0.5 part, solid flame retardant 4 ~ 8 parts, described B component comprises isocyanic ester 120 ~ 150 parts.
Feature of the present invention is also,
It is two or more combination in the polyether glycol of 100,450,1000,1200 that polyether glycol is selected from hydroxyl value, and described isocyanic ester is thick MDI.
Solid flame retardant is PX-200 condensation polymer type non-halogen phosphoric acid ester.
Catalyzer is the mixed catalyst containing dimethyl ethanol ammonia, triethylenediamine, two (dimethyl amido ethyl) ether and organotin.
The silicone oil that hard bubbles is selected from two or more the combination in AK-8805, AK-8835, L580, L-6860.
Whipping agent is water.
Pore-creating agent is the one in polyoxytrimethylene one ethylene oxide copolyether, polyoxygenated alkene one polysiloxane copolymer.
Catalyst for trimerization is PC-41.
The invention has the beneficial effects as follows, polyester polyol, high functionality polyether glycol and solid halogen-free flame retardants that the polyether glycol of multiple hydroxyl value, phthalic anhydride and hexanodioic acid react is added in the composition of raw materials of hard polyurethane foam board, there is higher toughness while maintaining rigidness, the application requiring in the fields such as the automotive trim of needs rigidity and toughness simultaneously, aircraft interior trim and furniture can be met, and give the flame retardant properties of urethane excellence, improve safety in utilization, avoid the person and property injury that fire causes.
Embodiment
Below in conjunction with embodiment, the present invention is described in detail
High tenacity flame retarded rigid polyurethane foams plate of the present invention, carry out foamable reaction by component A and B component to obtain, it is 100 that described component A comprises 70 ~ 80 parts of hydroxyl values, 450, 1000, two or more combination of the polyether glycol of 1200, the polyester polyol that 10 ~ 15 parts of phthalic anhydrides and hexanodioic acid react, 5 ~ 10 parts of high functionality polyether glycols, dimethyl ethanol ammonia, triethylenediamine, the mixed catalyst 2 ~ 4 parts of two (dimethyl amido ethyl) ether and organotin composition, AK-8805, AK-8835, L580, the combination 2 ~ 3 parts of two or more the silicone oil that hard bubbles in L-6860, 3 ~ 6 parts, whipping agent water, polyoxytrimethylene one ethylene oxide copolyether or polyoxygenated alkene one polysiloxane copolymer class pore-creating agent 1 ~ 1.5 part, 0.2 ~ 0.5 part of catalyst for trimerization PC-41, PX-200 condensation polymer type non-halogen phosphoric acid ester solid flame retardant 4 ~ 8 parts, described B component comprises thick MDI120 ~ 150 part.
Polyether glycol and polyester polyol are one of main raw material of synthesis of polyurethane, and wherein the polyester polyol good toughness that synthesizes of phthalic anhydride and hexanodioic acid, can increase the toughness of urethane finished product; In addition, hydroxyl value and the functionality of polyether glycol are higher, the polyurethane foam rigidity obtained is better, the present invention adopt the height polyether glycol of hydroxyl value and high functionality polyether glycol with the use of, hard-foam polyurethane can be realized there is certain toughness while maintaining rigidness.Thick MDI is a kind of isocyanic ester of high functionality and the mixture of ditan, and high functionality wherein can give the rigidity needed for polyurethane products.Therefore, the polyester polyol synthesized with phthalic anhydride and hexanodioic acid, the height polyether glycol of hydroxyl value, high functionality polyether glycol, thick MDI, for synthesize the main raw material of hard-foam polyurethane plate, can improve its toughness while giving polyurethane products rigidity.
Amines catalyst is conducive to the carrying out of foamable reaction, and organic tin catalyzer is conducive to the carrying out of polyreaction, and both are used in combination can make foaming process and propagation process in urethane building-up process all can carry out smoothly.The silicone oil that hard bubbles has excellent emulsifying property, can make good dispersing and mixing in premixed systems and isocyanate reaction process, the goods uniform foam cell obtained, in addition, it can also control the surface tension of abscess, stable bubble hole structure, gives the mechanical property that product is good.The surface tension that pore-creating agent can reduce foam impels cell collapse, improves the percentage of open area of urethane foam, improve because of closed pore cause soft.Catalyst for trimerization is the raw material that synthesis hard-foam polyurethane is conventional, and wherein PC-41 has excellent foam performance and high reactivity, is highly suitable for full water foamed technique, has excellent performance in the Water blown system of hard bubbling.PX-200 condensation polymer type non-halogen phosphoric acid ester solid flame retardant is a kind of fire retardant of environmental protection, and addition is little, and efficiency is high.Water is the environment-friendly type pneumatogen with excellent foam performance.
In order to reach the good hard-foam polyurethane plate of over-all properties, make it while acquisition toughness, continue maintaining rigidness, determine that use 70 ~ 80 parts of hydroxyl values are two or more the combination of polyether glycol of 100,450,1000,1200, the polyester polyol that 10 ~ 15 parts of phthalic anhydrides and hexanodioic acid react, 5 ~ 10 parts of high functionality polyether glycols, thick MDI120-150 part.In order to reach good flame retardant effect, the number of solid flame retardant is defined as PX-200 condensation polymer type non-halogen phosphoric acid ester solid flame retardant 4 ~ 8 parts.In order to ensure that polymerization process and foamable reaction carry out smoothly under the effect of catalyzer and each auxiliary agent, and obtain stable foamy structure and protection of the environment, determine to use triethylenediamine, the mixed catalyst 2 ~ 4 parts of two (dimethyl amido ethyl) ether and organotin composition, AK-8805, AK-8835, L580, the combination 2 ~ 3 parts of two or more the silicone oil that hard bubbles in L-6860, 3 ~ 6 parts, whipping agent water, polyoxytrimethylene one ethylene oxide copolyether or polyoxygenated alkene one polysiloxane copolymer class pore-creating agent 1 ~ 1.5 part, 0.2 ~ 0.5 part of catalyst for trimerization PC-41.
Each raw material of synthesis high tenacity flame retarded rigid polyurethane foams plate is on the basis selecting rigid foam raw material, add the raw material that can increase toughness and flame retardant resistance, feature according to reaction system reasonably selects each reaction promoter, each auxiliary agent is worked in coordination with play a role, obtain the hard polyurethane foam board that over-all properties is good.
The preparation method of high tenacity flame retarded rigid polyurethane foams plate of the present invention, carries out according to the following steps:
A, first standard but takes 70 ~ 80 parts of hydroxyl values is 100, 450, 1000, two or more combination of the polyether glycol of 1200, the polyester polyol that 10 ~ 15 parts of phthalic anhydrides and hexanodioic acid react, 5 ~ 10 parts of high functionality polyether glycols, dimethyl ethanol ammonia, triethylenediamine, the mixed catalyst 2 ~ 4 parts of two (dimethyl amido ethyl) ether and organotin composition, AK-8805, AK-8835, L580, the combination 2 ~ 3 parts of two or more the silicone oil that hard bubbles in L-6860, 3 ~ 6 parts, whipping agent water, polyoxytrimethylene one ethylene oxide copolyether or polyoxygenated alkene one polysiloxane copolymer class pore-creating agent 1 ~ 1.5 part, 0.2 ~ 0.5 part of catalyst for trimerization PC-41, PX-200 condensation polymer type non-halogen phosphoric acid ester solid flame retardant 4 ~ 8 parts puts into A Raw material pail, mix for subsequent use, keep material temperature 15 ~ 50 DEG C,
B, accurately take the thick MDI120-150 part of B component, put into B Raw material pail, keep material temperature 15 ~ 50 DEG C.
C, mixed with the raw material in B Raw material pail by the raw material in A Raw material pail, in homogenizer, short mix stirs, and is then driven in mould by reaction injection technique, foams and become polyurethane foamed blocks in 5 ~ 10 minutes;
D, according to desired size, the polyurethane foamed blocks plastified is carried out trimming, section, obtain flame-retardant rigid-foam polyurethane foam board.
Hard polyurethane foam board of the present invention has higher toughness while the high rigidity of maintenance, the application requiring in the fields such as the automotive trim of needs high strength and high tenacity simultaneously, aircraft interior trim and furniture can be met, and give polyurethane flame-proof performance, improve the security of use, avoid the person and property injury that fire causes.
Embodiment 1
Accurately take the polyether glycol that 3kg hydroxyl value is 100, 4kg hydroxyl value is the polyether glycol of 1000, the polyester polyol that 1kg phthalic anhydride and hexanodioic acid react, the high functionality polyether glycol of 0.5kg sucrose to be the functional group of polyethers of initiator synthesis be 6-7, 0.2kg dimethyl ethanol ammonia, triethylenediamine, the mixed catalyst of two (dimethyl amido ethyl) ether and organotin composition, 0.2kgAK-8805, L580 hard bubbles the combination of silicone oil, 0.3kg water, 0.1kg polyoxytrimethylene one ethylene oxide copolyether, 0.02kg catalyst for trimerization PC-41, 0.4kgPX-200 condensation polymer type non-halogen phosphoric acid ester solid flame retardant mixes, high-speed stirring is mixed again with thick MDI14kg, foaming becomes polyurethane foamed blocks, the polyurethane foamed blocks plastified carries out trimming, section, obtain flame-retardant rigid-foam polyurethane foam board.
Embodiment 2
Accurately take the polyether glycol that 1.5kg hydroxyl value is 100, 1kg hydroxyl value is the polyether glycol of 450, the hydroxyl value of 2.5kg is the polyether glycol of 1000, the hydroxyl value of 2.5kg is the polyether glycol of 1200, the polyester polyol that 1.2kg phthalic anhydride and hexanodioic acid react, the high functionality polyether glycol of 0.8kg sucrose to be the functional group of polyethers of initiator synthesis be 6-7, 0.3kg dimethyl ethanol ammonia, triethylenediamine, the mixed catalyst of two (dimethyl amido ethyl) ether and organotin composition, 0.3kgAK-8805, AK-8835, L-6860 hard bubbles the combination of silicone oil, 0.6kg water, 0.15kg polyoxytrimethylene one ethylene oxide copolyether, 0.04kg catalyst for trimerization PC-41, 0.6kgPX-200 condensation polymer type non-halogen phosphoric acid ester solid flame retardant mixes, high-speed stirring is mixed again with thick MDI12kg, foaming becomes polyurethane foamed blocks, the polyurethane foamed blocks plastified carries out trimming, section, obtain flame-retardant rigid-foam polyurethane foam board.
Embodiment 3
Accurately take the polyether glycol that 2.5kg hydroxyl value is 100, 1kg hydroxyl value is the polyether glycol of 450, the hydroxyl value of 4.5kg is the polyether glycol of 1200, the polyester polyol that 1.5kg phthalic anhydride and hexanodioic acid react, the high functionality polyether glycol of 0.6kg sucrose to be the functional group of polyethers of initiator synthesis be 6-7, 0.4kg dimethyl ethanol ammonia, triethylenediamine, the mixed catalyst of two (dimethyl amido ethyl) ether and organotin composition, 0.25kgAK-8805, AK-8835, L580, L-6860 hard bubbles the combination of silicone oil, 0.5kg water, 0.12kg polyoxygenated alkene one polysiloxane copolymer, 0.03kg catalyst for trimerization PC-41, 0.8kgPX-200 condensation polymer type non-halogen phosphoric acid ester solid flame retardant mixes, high-speed stirring is mixed again with thick MDI15kg, foaming becomes polyurethane foamed blocks, the polyurethane foamed blocks plastified carries out trimming, section, obtain flame-retardant rigid-foam polyurethane foam board.
The flame-retardant rigid-foam polyurethane foam board performance of above embodiment is as follows: compressive strength >=250Kpa, flexural strength >=200Mpa, elongation at break >=15%, and during burning, oxygen index can between 26 ~ 30%, and odor profiles little, the amount of being fuming is low.

Claims (8)

1. a high tenacity flame retarded rigid polyurethane foams plate, it is characterized in that, carry out foamable reaction by component A and B component by the raw material of following weight proportion to obtain, described component A comprises 70 ~ 80 parts of 2 ~ 4 kinds of polyether glycols, the polyester polyol that 10 ~ 15 parts of phthalic anhydrides and hexanodioic acid react, 5 ~ 10 parts of high functionality polyether glycols, catalyzer 2 ~ 4 parts, hard bubble silicone oil 2 ~ 3 parts, whipping agent 3 ~ 6 parts, pore-creating agent 1 ~ 1.5 part, catalyst for trimerization 0.2 ~ 0.5 part, solid flame retardant 4 ~ 8 parts, described B component comprises isocyanic ester 120 ~ 150 parts.
2. a kind of high tenacity flame retarded rigid polyurethane foams plate as claimed in claim 1, it is characterized in that, it is two or more combination in the polyether glycol of 100,450,1000,1200 that described polyether glycol is selected from hydroxyl value, and described isocyanic ester is thick MDI.
3. a kind of high tenacity flame retarded rigid polyurethane foams plate as claimed in claim 1, is characterized in that, described solid flame retardant is PX-200 condensation polymer type non-halogen phosphoric acid ester.
4. a kind of high tenacity flame retarded rigid polyurethane foams plate as claimed in claim 1, is characterized in that, described catalyzer is the mixed catalyst containing dimethyl ethanol ammonia, triethylenediamine, two (dimethyl amido ethyl) ether and organotin.
5. a kind of high tenacity flame retarded rigid polyurethane foams plate as claimed in claim 1, is characterized in that, described in the silicone oil that hard bubbles be selected from two or more combination in AK-8805, AK-8835, L580, L-6860.
6. a kind of high tenacity flame retarded rigid polyurethane foams plate as claimed in claim 1, it is characterized in that, described whipping agent is water.
7. a kind of high tenacity flame retarded rigid polyurethane foams plate as claimed in claim 1, is characterized in that, described pore-creating agent is selected from the one in polyoxytrimethylene one ethylene oxide copolyether, polyoxygenated alkene one polysiloxane copolymer.
8. a kind of high tenacity flame retarded rigid polyurethane foams plate as claimed in claim 1, it is characterized in that, described catalyst for trimerization is PC-41.
CN201410521980.XA 2014-09-30 2014-09-30 High-toughness flame-retardant hard polyurethane foam board Pending CN105524245A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106146783A (en) * 2016-07-08 2016-11-23 上海麦浦新材料科技有限公司 A kind of Freon-free flame-retardant polyurethane for solar water heater insulation hard bubbles compositions
CN106592797A (en) * 2016-11-29 2017-04-26 怀宁县信宁新型建材有限公司 External wall insulation board for building
CN109438667A (en) * 2018-11-06 2019-03-08 苏州环明电子科技有限公司 It is coated with production polyurethane foamed composite material
CN110748030A (en) * 2019-11-05 2020-02-04 西安长峰机电研究所 Assembled composite heat-insulating wallboard
CN110819102A (en) * 2019-11-07 2020-02-21 徐州飞云泡沫制品有限责任公司 Antibacterial polyurethane foam board gives sound insulation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106146783A (en) * 2016-07-08 2016-11-23 上海麦浦新材料科技有限公司 A kind of Freon-free flame-retardant polyurethane for solar water heater insulation hard bubbles compositions
CN106592797A (en) * 2016-11-29 2017-04-26 怀宁县信宁新型建材有限公司 External wall insulation board for building
CN109438667A (en) * 2018-11-06 2019-03-08 苏州环明电子科技有限公司 It is coated with production polyurethane foamed composite material
CN110748030A (en) * 2019-11-05 2020-02-04 西安长峰机电研究所 Assembled composite heat-insulating wallboard
CN110819102A (en) * 2019-11-07 2020-02-21 徐州飞云泡沫制品有限责任公司 Antibacterial polyurethane foam board gives sound insulation

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Application publication date: 20160427