CN105837787A - Preparation method of flame-retardant rigid polyurethane foam plastic - Google Patents
Preparation method of flame-retardant rigid polyurethane foam plastic Download PDFInfo
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- CN105837787A CN105837787A CN201610260412.8A CN201610260412A CN105837787A CN 105837787 A CN105837787 A CN 105837787A CN 201610260412 A CN201610260412 A CN 201610260412A CN 105837787 A CN105837787 A CN 105837787A
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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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
- C08G18/791—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups
- C08G18/794—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups formed by oligomerisation of aromatic isocyanates or isothiocyanates
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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
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-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
- C08J9/14—Working-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
- C08J9/141—Hydrocarbons
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- 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
-
- 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
- C08K3/32—Phosphorus-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
-
- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
Abstract
The invention provides a preparation method of flame-retardant rigid polyurethane foam plastic. The preparation method comprises the following steps of: (a) selecting raw materials; (2) carrying out foaming treatment; and (c) carrying out curing molding. The invention discloses a preparation method of the flame-retardant rigid polyurethane foam plastic. The preparation method is simple and convenient to operate; the technical formula is reasonable; the flame-retardant effect of the rigid polyurethane foam plastic is greatly improved by a compounded fire retardant with low price, low toxicity and good thermal stability.
Description
Technical field
The present invention relates to a kind of plastics, be specifically related to the preparation method of a kind of anti-inflaming polyurethane hard foam plastics, belong to plastics
Technical field.
Background technology
Plastics are a kind of very important organic synthesis macromolecular materials, and application is widely.Plastics are by many materials
Formulated, wherein high molecular polymer also referred to as synthetic resin is the main component of plastics, additionally, for the property improving plastics
Can, in macromolecular compound, also to add various auxiliary material, such as filler, plasticizer, lubricant, stabilizer, coloring agent, resist
Electrostatic agents etc., just can become plastics of good performance.Shi Ge plastic raw materials big producing country of China, as light industry pillar industry
One of plastic industry, the most all maintain development speed faster, meanwhile, economic benefit also achieves the biggest proposing
High.
Polyurethane rigid foam plastic is with its excellent physical and mechanical properties, electric property, acoustical behavior, resistance to chemical corrosion
And the strongest cohesive force, be widely used as city heat supply pipeline, petrochemical pipe, refrigerating equipment, air-conditioned passenger train etc. every
Hot insulation material.But, the oxygen index (OI) of the most fire retardant treated polyurethane rigid foam plastic is only about 17, does not reaches far away building
Material fire protection requirement.In current art, improve polyurethane rigid foam plastic anti-flammability approach mainly have two: 1) add chloride,
The fire retardant of the element such as bromine, phosphorus；2) polyurethane is carried out structurally-modified.At present, market can reach GB B2 level, i.e. oxygen
The index polyurethane rigid foam plastic more than 32 is few, even if the fire resistance of some polyurethane rigid foam plastic reaches Standard,
But the fire retardant price used is high, toxicity is big, heat stability is poor.
Summary of the invention
For the demand, the invention provides the preparation method of a kind of anti-inflaming polyurethane hard foam plastics, this preparation method
Easy and simple to handle, technical recipe is reasonable, by use inexpensive, toxicity is low, the compound flame retardant of Heat stability is good, drastically increase
The flame retardant effect of polyurethane rigid foam plastic.
The present invention is the preparation method of a kind of anti-inflaming polyurethane hard foam plastics, and described preparation method comprises the steps:
A) apolegamy raw material, b) foaming processes, c) curing molding.
In a preferred embodiment of the present invention, in described step a), the raw material chosen includes: polyether polyol, poly-virtue
Base polyisocyanate, composite flame-retardant agent, foam stabiliser B-8462, catalyst n, N-dimethyl cyclohexyl amine, surfactant ten
Dialkyl benzene sulfonic acids sodium and foaming agent pentane.
In a preferred embodiment of the present invention, described composite flame-retardant agent is by APP and aluminium hydroxide in mass ratio 3:
2 compounding form.
In a preferred embodiment of the present invention, described raw material is respectively as follows: polyether polyol 100 parts according to the mass fraction,
Poly-aryl polyisocyanate 1.5 parts, composite flame-retardant agent 20 parts, foam stabiliser 2 parts, catalyst 1 part, 0.5 part of surfactant,
Foaming agent 15 parts.
In a preferred embodiment of the present invention, described raw material is respectively as follows: polyether polyol 100 parts according to the mass fraction,
Poly-aryl polyisocyanate 2 parts, composite flame-retardant agent 25 parts, foam stabiliser 3 parts, catalyst 2 parts, 1 part of surfactant, foaming
Agent 20 parts.
In a preferred embodiment of the present invention, described raw material is respectively as follows: polyether polyol 100 parts according to the mass fraction,
Poly-aryl polyisocyanate 1.2 parts, composite flame-retardant agent 30 parts, foam stabiliser 2.5 parts, catalyst 1.5 parts, surfactant
0.8 part, foaming agent 18 parts.
In a preferred embodiment of the present invention, in described step b), foaming processes and comprises the steps: 1) will apolegamy
Raw material add in stirring container high-speed stirred 30min under room temperature；2) batch mixing is injected foaming in molding jig.
In a preferred embodiment of the present invention, in described step c), curing molding temperature is 80 DEG C, and hardening time is
6h。
Present invention is disclosed the preparation method of a kind of anti-inflaming polyurethane hard foam plastics, this preparation method is easy and simple to handle, technique
Formula is reasonable, by use inexpensive, toxicity is low, the compound flame retardant of Heat stability is good, drastically increase hard polyurethane foam and mould
The flame retardant effect of material.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings:
Fig. 1 is the process figure of embodiment of the present invention anti-inflaming polyurethane hard foam plastics preparation method.
Detailed description of the invention
Below in conjunction with the accompanying drawings presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention is made apparent clear and definite defining.
Fig. 1 is the process figure of embodiment of the present invention anti-inflaming polyurethane hard foam plastics preparation method；This preparation method bag
Include following steps: a) apolegamy raw material, b) foaming processes, c) curing molding.
Embodiment 1
Concrete preparation method is as follows:
A) apolegamy raw material: according to the mass fraction, takes 100 parts of polyether polyol, 1.5 parts of poly-aryl polyisocyanate, and 20 parts are combined
Fire retardant, 2 parts of foam stabiliser B-8462,1 part of catalyst n, N-dimethyl cyclohexyl amine, 0.5 part of surfactant sodium dodecyl base
Benzene sulfonic acid sodium salt and 15 parts of foaming agent pentanes.Wherein, composite flame-retardant agent is multiple by APP and aluminium hydroxide 3:2 in mass ratio
Join and form.
B) foaming process, concrete preparation process is: first by the polyether polyol weighed, composite flame-retardant agent, foam stabiliser,
Catalyst, surfactant and foaming agent are equipped with in the container of agitating device, use homogenizer mix homogeneously under room temperature；
Being then quickly added into the poly-aryl polyisocyanate weighed, stir 30min, blender rotating speed is 2000r/min；Bubble to be had is sent out
Go out, foam is when turning white, and immediately batch mixing is injected foaming in molding jig, prepares foam material.
C) curing molding, foam material step b) produced is placed in 80 DEG C of baking ovens, after solidification 6h, takes out from baking oven
The demoulding, is cooled to room temperature and i.e. prepares anti-inflaming polyurethane hard foam plastics.Through performance test, the compression of these anti-inflaming polyurethane hard foam plastics
Intensity is 0.17 MPa, and foam oxygen index (OI) is 33, and heat conductivity is 0.027 W/ (m K), and smoke density is 68.
Embodiment 2
Concrete preparation method is as follows:
A) apolegamy raw material: according to the mass fraction, takes 100 parts of polyether polyol, 2 parts of poly-aryl polyisocyanate, 25 parts of compound resistances
Combustion agent, 3 parts of foam stabiliser B-8462,2 parts of catalyst ns, N-dimethyl cyclohexyl amine, 1 part of surfactant sodium dodecyl base benzene sulphur
Acid sodium and 20 parts of foaming agent pentanes.Wherein, composite flame-retardant agent by APP and aluminium hydroxide 3:2 in mass ratio compounding and
Become.
B) foaming process, concrete preparation process is: first by the polyether polyol weighed, composite flame-retardant agent, foam stabiliser,
Catalyst, surfactant and foaming agent are equipped with in the container of agitating device, use homogenizer mix homogeneously under room temperature；
Being then quickly added into the poly-aryl polyisocyanate weighed, stir 30min, blender rotating speed is 2000r/min；Bubble to be had is sent out
Go out, foam is when turning white, and immediately batch mixing is injected foaming in molding jig, prepares foam material.
C) curing molding, foam material step b) produced is placed in 80 DEG C of baking ovens, after solidification 6h, takes out from baking oven
The demoulding, is cooled to room temperature and i.e. prepares anti-inflaming polyurethane hard foam plastics.Through performance test, the compression of these anti-inflaming polyurethane hard foam plastics
Intensity is 0.15 MPa, and foam oxygen index (OI) is 33, and heat conductivity is 0.027 W/ (m K), and smoke density is 67.
Embodiment 3
Concrete preparation method is as follows:
A) apolegamy raw material: according to the mass fraction, takes 100 parts of polyether polyol, 1.2 parts of poly-aryl polyisocyanate, and 30 parts are combined
Fire retardant, 2.5 parts of foam stabiliser B-8462,1.5 parts of catalyst ns, N-dimethyl cyclohexyl amine, 0.8 part of surfactant 12
Sodium alkyl benzene sulfonate and 18 parts of foaming agent pentanes.Wherein, composite flame-retardant agent is by APP and aluminium hydroxide in mass ratio
3:2 is compounding to be formed.
B) foaming process, concrete preparation process is: first by the polyether polyol weighed, composite flame-retardant agent, foam stabiliser,
Catalyst, surfactant and foaming agent are equipped with in the container of agitating device, use homogenizer mix homogeneously under room temperature；
Being then quickly added into the poly-aryl polyisocyanate weighed, stir 30min, blender rotating speed is 2000r/min；Bubble to be had is sent out
Go out, foam is when turning white, and immediately batch mixing is injected foaming in molding jig, prepares foam material.
C) curing molding, foam material step b) produced is placed in 80 DEG C of baking ovens, after solidification 6h, takes out from baking oven
The demoulding, is cooled to room temperature and i.e. prepares anti-inflaming polyurethane hard foam plastics.Through performance test, the compression of these anti-inflaming polyurethane hard foam plastics
Intensity is 0.12 MPa, and foam oxygen index (OI) is 34, and heat conductivity is 0.028 W/ (m K), and smoke density is 65.
Present invention is disclosed the preparation method of a kind of anti-inflaming polyurethane hard foam plastics, this preparation method is easy and simple to handle, technique
Formula is reasonable, by use inexpensive, toxicity is low, the compound flame retardant of Heat stability is good, drastically increase hard polyurethane foam and mould
The flame retardant effect of material.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those of ordinary skill in the art in the technical scope that disclosed herein, the change that can expect without creative work or
Replace, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be limited with claims
Fixed protection domain is as the criterion.
Claims (8)
1. the preparation method of anti-inflaming polyurethane hard foam plastics, it is characterised in that described preparation method comprises the steps:
A) apolegamy raw material, b) foaming processes, c) curing molding.
The preparation method of anti-inflaming polyurethane hard foam plastics the most according to claim 1, it is characterised in that described step
A), in, the raw material chosen includes: polyether polyol, poly-aryl polyisocyanate, composite flame-retardant agent, foam stabiliser B-8462,
Catalyst n, N-dimethyl cyclohexyl amine, surfactant sodium dodecyl base benzene sulfonic acid sodium salt and foaming agent pentane.
The preparation method of anti-inflaming polyurethane hard foam plastics the most according to claim 2, it is characterised in that described compound resistance
Combustion agent is formed by APP and aluminium hydroxide 3:2 in mass ratio are compounding.
The preparation method of anti-inflaming polyurethane hard foam plastics the most according to claim 2, it is characterised in that described raw material is pressed
Mass fraction meter is respectively as follows: polyether polyol 100 parts, poly-aryl polyisocyanate 1.5 parts, and composite flame-retardant agent 20 parts, foam is steady
Determine agent 2 parts, catalyst 1 part, 0.5 part of surfactant, foaming agent 15 parts.
The preparation method of anti-inflaming polyurethane hard foam plastics the most according to claim 2, it is characterised in that described raw material is pressed
Mass fraction meter is respectively as follows: polyether polyol 100 parts, poly-aryl polyisocyanate 2 parts, composite flame-retardant agent 25 parts, foam stabilization
Agent 3 parts, catalyst 2 parts, 1 part of surfactant, foaming agent 20 parts.
The preparation method of anti-inflaming polyurethane hard foam plastics the most according to claim 2, it is characterised in that described raw material is pressed
Mass fraction meter is respectively as follows: polyether polyol 100 parts, poly-aryl polyisocyanate 1.2 parts, and composite flame-retardant agent 30 parts, foam is steady
Determine agent 2.5 parts, catalyst 1.5 parts, 0.8 part of surfactant, foaming agent 18 parts.
The preparation method of anti-inflaming polyurethane hard foam plastics the most according to claim 1, it is characterised in that described step
B), in, foaming processes and comprises the steps: 1) by high-speed stirred 30min under room temperature in the raw material addition stirring container of apolegamy；2)
Batch mixing is injected foaming in molding jig.
The preparation method of anti-inflaming polyurethane hard foam plastics the most according to claim 1, it is characterised in that described step c)
In, curing molding temperature is 80 DEG C, and hardening time is 6h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610260412.8A CN105837787A (en) | 2016-04-25 | 2016-04-25 | Preparation method of flame-retardant rigid polyurethane foam plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610260412.8A CN105837787A (en) | 2016-04-25 | 2016-04-25 | Preparation method of flame-retardant rigid polyurethane foam plastic |
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Family
ID=56588857
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6548157B2 (en) * | 2001-01-04 | 2003-04-15 | Safas Corporation | Stone-like laminates |
| US20080194736A1 (en) * | 2007-02-13 | 2008-08-14 | Minqiu Lu | PVC nanocomposite manufacturing technology and applications |
| CN101962474A (en) * | 2010-09-02 | 2011-02-02 | 海聚高分子材料科技（广州）有限公司 | Environment-friendly high-flame retardance rigid polyurethane foam and preparation method and application thereof |
| CN102276974A (en) * | 2011-07-13 | 2011-12-14 | 山东华德隆建材科技有限公司 | High-fire-resistance rigid polyurethane foam plastic and preparation method thereof |
| WO2012116884A1 (en) * | 2011-03-02 | 2012-09-07 | Huntsman International Llc | Formulation suitable to provide polyurethane |
| CN102675860A (en) * | 2012-05-11 | 2012-09-19 | 上海化工研究院 | Halogen-free flame-retardant polyurethane hard bubble heat preserving material and preparation method thereof |
| CN105440237A (en) * | 2015-12-01 | 2016-03-30 | 中国铝业股份有限公司 | Preparation method of rigid flame-retardant polyurethane foams |
-
2016
- 2016-04-25 CN CN201610260412.8A patent/CN105837787A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6548157B2 (en) * | 2001-01-04 | 2003-04-15 | Safas Corporation | Stone-like laminates |
| US20080194736A1 (en) * | 2007-02-13 | 2008-08-14 | Minqiu Lu | PVC nanocomposite manufacturing technology and applications |
| CN101962474A (en) * | 2010-09-02 | 2011-02-02 | 海聚高分子材料科技（广州）有限公司 | Environment-friendly high-flame retardance rigid polyurethane foam and preparation method and application thereof |
| WO2012116884A1 (en) * | 2011-03-02 | 2012-09-07 | Huntsman International Llc | Formulation suitable to provide polyurethane |
| CN102276974A (en) * | 2011-07-13 | 2011-12-14 | 山东华德隆建材科技有限公司 | High-fire-resistance rigid polyurethane foam plastic and preparation method thereof |
| CN102675860A (en) * | 2012-05-11 | 2012-09-19 | 上海化工研究院 | Halogen-free flame-retardant polyurethane hard bubble heat preserving material and preparation method thereof |
| CN105440237A (en) * | 2015-12-01 | 2016-03-30 | 中国铝业股份有限公司 | Preparation method of rigid flame-retardant polyurethane foams |
Non-Patent Citations (1)
| Title |
|---|
| 梁克瑞: ""聚氨酯硬泡塑料的制备与阻燃性能研究"", 《中国建材科技》 * |
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