CN107459810A - A kind of high temperature resistant environment-protective flame retardant polyurethane building template and preparation method thereof - Google Patents
A kind of high temperature resistant environment-protective flame retardant polyurethane building template and preparation method thereof Download PDFInfo
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- CN107459810A CN107459810A CN201710843682.6A CN201710843682A CN107459810A CN 107459810 A CN107459810 A CN 107459810A CN 201710843682 A CN201710843682 A CN 201710843682A CN 107459810 A CN107459810 A CN 107459810A
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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
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6603—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6607—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6603—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6607—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
- C08G18/6611—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203 having at least three hydroxy groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6603—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6614—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6622—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3271
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6629—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/36 or hydroxylated esters of higher fatty acids of C08G18/38
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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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
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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
-
- 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
- C08K3/28—Nitrogen-containing compounds
- C08K2003/282—Binary compounds of nitrogen with aluminium
-
- 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
- C08K3/38—Boron-containing compounds
- C08K2003/382—Boron-containing compounds and nitrogen
- C08K2003/385—Binary compounds of nitrogen with boron
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The invention discloses a kind of high temperature resistant environment-protective flame retardant polyurethane building template and preparation method thereof, wherein component A is to be well mixed polyurethane polyol, plasticizer, thixotropic agent, catalyst, coupling agent, fire retardant, defoamer and filler to obtain, the B component polyurethane prepolymer that NCO is blocked made of polyisocyanates and castor oil and chain extender, catalyst reaction.Specifically A, B component (A, B component distinguish vacuumizing and defoaming) are mixed according to part by weight, after well mixed, it is cast on mould, after cured shaping, crush and granulate by specification cutting or after solidifying, again by twin-screw injection molding machine of plastic extrusion forming, then product is cut into by specification.The advantage of the invention is that：The high temperature resistant environment-protective flame retardant polyurethane building template produced by the above method, physical and mechanical property is excellent, can for a long time resistance to 130 DEG C of high temperature it is indeformable, excellent flame retardancy, waterproof, protection against the tide, water absorption rate are low, acid and alkali-resistance, corrosion-resistant, case hardness height, impact resistance；Processability is good, can follow closely, can dig, can saw, can bore, and surface is smooth, environment friendly and pollution-free, and product can iterative cycles recycling.
Description
Technical field
The present invention relates to a kind of high temperature resistant environment-protective flame retardant polyurethane building template and preparation method thereof.
Background technology
With the rapid development of construction industry, the status of form work engineering becomes increasingly conspicuous, and mould plate technique directly affects engineering construction
Quality, cost and benefit, while the theory such as green, low-carbon, sustainable is also increasingly becoming focus in all kinds of engineer applieds.Closely
Nian Lai, with the continuous development of plastic industry, the advantages of building plastic formwork arises at the historic moment, and it combines timber and plastics, such as
Weather-proof, reliable, environmentally friendly, convenient, because its excellent performance has been widely used, PVC board can be applied PVC plastic sheet material
With furniture, decoration etc., in addition, PVC plastic sheet material is also widely applied architectural.But PVC plastic sheet material is also deposited
In following shortcoming：(1) insufficient strength, heat are yielding；(2) it is easy to aging, turn white and become fragile；(3) sheet material poor toughness, insufficient rigidity.
Polyurethane is a kind of high molecular synthetic material of performance between rubber and plastics, is characterized in that hardness adjusts model
Width is enclosed, the elasticity of existing rubber has the hardness of plastics, has good mechanical performance again.Be deep into recent years national economy and
In people's lives, turn into a kind of indispensable new synthetic material.
The shortcomings that it is an object of the invention to overcome above-mentioned background technology, there is provided a kind of high temperature resistant environment-protective flame retardant polyurethane is built
Building mould and preparation method thereof, high temperature resistant environment-protective flame retardant polyurethane building template is produced by the above method, product processing can
It is easy to operate to carry out at a lower temperature.
A kind of high temperature resistant environment-protective flame retardant polyurethane building template of the present invention, it is characterised in that be bi-component, with weight percent
Number meter：
Component A is by polyurethane polyol 50~80, thixotropic agent 5~20, plasticizer 10~20, chain extender 5~20, coupling agent
2~5 and catalyst 1~5, defoamer 1~3, fire retardant 10~20, filler 120~200 forms.
B component is anti-by 50~70 polyisocyanates and 15~30 castor oil and chain extender 5~10, catalyst 0.5~1
The polyurethane prepolymer of NCO end-blockings made of answering.
The present invention use bi-component, A, B component is mixed according to part by weight during use, after well mixed, is cast in electricity
(vacuum defoamation if necessary), solidification on device element.
It take 5~7, hydroxyl value as one kind in 500~750mgKOH/g of degree of functionality that polyurethane polyol, which is, in the component A
Or a variety of PPGs and PEPA are made.
The A, the chain extender in B component is Isosorbide-5-Nitrae butanediol, ethylene glycol, diglycol, neopentyl glycol, three hydroxyl first
One or more in base propane, sorbierite, methyl diethanolamine.
Thixotropic agent in the component A is high-performance amide waxe micro mist.
Plasticizer in the component A is DOTP.
Coupling agent in the component A is selected from gamma-amino propyl group ethoxy radical siloxane (KH550), γ-glycidyl ether oxygen
One kind in propyl trimethoxy silicane (KH560), γ-(methacryloxypropyl) propyl trimethoxy silicane (KH570).
Fire retardant in the component A is trimethyl phosphate, triethyl phosphate, tributyl phosphate, triphenyl phosphate, phosphoric acid
Front three phenyl ester, IPPP, tetraphenyl resorcinol diphosphate, tetraphenyl diphenol A diphosphonate, methyl acid phosphate
One or more of combinations of dimethyl ester.
Defoamer in the component A is selected from BYK1794, defoamer BYK141 and Defom6500 compound, polymer-type
One kind in defoamer BYK1790, organic silicon defoamer BYK066N.
Filler in the component A is selected from aluminum oxide, magnesia, zinc oxide, aluminium nitride, boron nitride, carborundum, silicon powder
One or more in.
A, the catalyst described in B component are preferably triethylenediamine, dimethylethanolamine, in Triethylamine catalyst
One or more mixing.
Isocyanates in the B component is more phenyl isocyanates, toluene di-isocyanate(TDI), modified diphenylmethane two
One or both of isocyanates mixes.
The preparation method of the combination material is：
The preparation of component A：Polyurethane polyol, thixotropic agent, plasticizer, coupling agent are added in reactor, at 120 DEG C
Stirred at~130 DEG C, vacuumize dehydration degassing 4~5 hours, be cooled to 50~60 DEG C add catalyst, fire retardant, defoamer and
Filler stirs evenly, barrelling；
The preparation of B component：Reactor will be added under castor oil normal temperature, rise at 110~120 DEG C and stir, vacuumize dehydration
Degassing 2~3 hours, it is cooled to 50~60 DEG C and adds isocyanates and chain extender, catalyst that 3~5 are reacted at 80~90 DEG C is small
When, course of reaction carries out logical nitrogen protection, analysis NCO to terminal, cooling, obtains B component, barrelling.
The present invention prepares base polyurethane prepolymer for use as from castor oil and chain extender, not only increases the degree of cross linking of polyurethane, also
The numerous characteristics of conventional urethane are improved, make it have more preferable heat resistance and chemical-resistant.
Advantages of the present invention：
The high temperature resistant environment-protective flame retardant polyurethane building template produced by the above method, physical and mechanical property is excellent, can grow
Phase, resistance to 130 DEG C of high temperature was indeformable, and excellent flame retardancy, waterproof, protection against the tide, water absorption rate are low, acid and alkali-resistance, corrosion-resistant, and case hardness is high,
Impact resistance；Processability is good, can follow closely, can dig, can saw, can bore, and surface is smooth, environment friendly and pollution-free, and product can iterative cycles time
Receive and recycle.Using bicomponent system, product processing can be carried out at normal temperatures, normal temperature solidified, also heating curable, easily behaviour
Make, improve production efficiency.
Embodiment：
Illustrate with reference to embodiments, but do not limit the present invention.
Following examples are by weight percentage.
Embodiment 1：
Component A：
Pluronic polyols TK-925 62, sorbierite 8, neopentyl glycol 12, plasticizer 15, amide waxe micro mist 5, coupling agent 5,
Dimethylethanolamine 3, defoamer 1, fire retardant 15, filler 150.
B component：
Castor oil 22, trimethylolpropane 9, Isosorbide-5-Nitrae butanediol 5, triethylenediamine 0.6, diphenylmethane diisocyanate
Ester 63
A, B component are mixed according to 5: 2 part by weight during use, after being well mixed, are cast on mould (true if necessary
Empty deaeration), solidification.
Properties of product after solidification：
Prompting：Properties of product are 7 days, relative humidity ＜ 60% after product solidification, the number tested at 25 DEG C~30 DEG C of temperature
According to
Embodiment 2：
Component A：
Pluronic polyols TK-925 80, diglycol 13, methyl diethanolamine plasticizer 20, amide waxe micro mist 5,
Coupling agent 5, triethylenediamine 4, defoamer 1, fire retardant 15, filler 180.
B component：
Castor oil 18, trimethylolpropane 13, Isosorbide-5-Nitrae butanediol 3, dimethylethanolamine 0.8, PAPI 67
A, B component are mixed according to 2: 1 part by weight during use, after being well mixed, are cast on mould (true if necessary
Empty deaeration), solidification.
Properties of product after solidification：
Prompting：Properties of product are 7 days, relative humidity ＜ 60% after product solidification, the number tested at 25 DEG C~30 DEG C of temperature
According to.
Claims (10)
1. a kind of high temperature resistant environment-protective flame retardant polyurethane building template, it is characterised in that be bi-component, by weight percentage：
Component A is by polyurethane polyol 50~80, chain extender 5~20, thixotropic agent 5~20, plasticizer 10~20, coupling agent 2~5
With catalyst 1~5, fire retardant 10~20, defoamer 1~3, filler 120~200 forms.
B component is reacted by 50~70 polyisocyanates and 15~30 castor oil, chain extender 5~10 and catalyst 0.5~1
The polyurethane prepolymer of manufactured NCO end-blockings.
A kind of 2. high temperature resistant environment-protective flame retardant polyurethane building template according to claim 1, it is characterised in that the component A
It by 5~7, hydroxyl value of degree of functionality is one or both of 500~750mgKOH/g PPGs that middle polyurethane polyol, which is,
Or PEPA mixing composition.
3. a kind of high temperature resistant environment-protective flame retardant polyurethane building template according to claim 1, it is characterised in that A, B component expand
Chain agent is Isosorbide-5-Nitrae butanediol, ethylene glycol, diglycol, neopentyl glycol, trimethylolpropane, sorbierite, methyl diethanolamine
In one or more.
4. a kind of high temperature resistant environment-protective flame retardant polyurethane building template according to claim 1, it is characterised in that described in component A
Thixotropic agent be high-performance amide waxe micro mist.
5. according to a kind of high temperature resistant environment-protective flame retardant polyurethane building template described in claim 1, it is characterised in that the institute in component A
It is DOTP to state plasticizer.
A kind of 6. high temperature resistant environment-protective flame retardant polyurethane building template according to claim 1, it is characterised in that A, in B component
Described catalyst is triethylenediamine, dimethylethanolamine, and one or both of Triethylamine catalyst is mixed above.
A kind of 7. high temperature resistant environment-protective flame retardant polyurethane building template according to claim 1, it is characterised in that the component A
In fire retardant be trimethyl phosphate, triethyl phosphate, tributyl phosphate, triphenyl phosphate, tricresyl phosphate, tricresyl phosphate it is different
Propyl group phenyl ester, tetraphenyl resorcinol diphosphate, tetraphenyl diphenol A diphosphonate, one kind or several of methyl-phosphoric acid dimethyl ester
The combination of kind.
A kind of 8. high temperature resistant environment-protective flame retardant polyurethane building template according to claim 1, it is characterised in that the B component
In isocyanates be more phenyl isocyanates, toluene di-isocyanate(TDI), one kind in modified diphenylmethane diisocyanate
Or two kinds of mixing.
A kind of 9. high temperature resistant environment-protective flame retardant polyurethane building template according to claim 1, it is characterised in that the component A
In one kind in aluminum oxide, magnesia, zinc oxide, aluminium nitride, boron nitride, carborundum, silicon powder etc. of the filler or
It is several.
10. a kind of preparation method of high temperature resistant environment-protective flame retardant polyurethane building template, its feature exist according to claim 1
In comprising the following steps：
The preparation of component A：Polyurethane polyol, thixotropic agent, plasticizer, coupling agent and chain extender are added in reactor,
Stirred at 120 DEG C~130 DEG C, vacuumize dehydration degassing 4~5 hours, be cooled to 50~60 DEG C and add catalyst, defoamer, resistance
Combustion agent and filler stir evenly, barrelling；
The preparation of B component：Reactor will be added under castor oil normal temperature, rise at 110~120 DEG C and stir, vacuumize dehydration degassing 2
~3 hours, it is cooled to 50~60 DEG C of addition isocyanates, chain extender, catalyst and is reacted 3~5 hours at 80~90 DEG C, reacted
Process carries out logical nitrogen protection, analysis NCO to terminal, cooling, obtains B component, barrelling.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710843682.6A CN107459810A (en) | 2017-09-14 | 2017-09-14 | A kind of high temperature resistant environment-protective flame retardant polyurethane building template and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110746563A (en) * | 2019-10-24 | 2020-02-04 | 江苏理工学院 | PEG ball-milling intercalation h-BN modified polyurethane heat-conducting composite material and preparation method thereof |
| CN112194774A (en) * | 2020-10-13 | 2021-01-08 | 安徽兆鑫铝业科技有限公司 | Preparation method of flame-retardant polyurethane aluminum alloy composite board |
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| CN104277194A (en) * | 2013-07-05 | 2015-01-14 | 拜耳材料科技(中国)有限公司 | Polyurethane resin composition and polyurethane compound prepared from same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110746563A (en) * | 2019-10-24 | 2020-02-04 | 江苏理工学院 | PEG ball-milling intercalation h-BN modified polyurethane heat-conducting composite material and preparation method thereof |
| CN110746563B (en) * | 2019-10-24 | 2021-06-29 | 江苏理工学院 | PEG ball-milling intercalation h-BN modified polyurethane heat-conducting composite material and preparation method thereof |
| CN112194774A (en) * | 2020-10-13 | 2021-01-08 | 安徽兆鑫铝业科技有限公司 | Preparation method of flame-retardant polyurethane aluminum alloy composite board |
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Application publication date: 20171212 |