CN105924621B - A kind of flame-retardant polyurethane flexible foam plastics and preparation method thereof - Google Patents
A kind of flame-retardant polyurethane flexible foam plastics and preparation method thereof Download PDFInfo
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- CN105924621B CN105924621B CN201610447602.0A CN201610447602A CN105924621B CN 105924621 B CN105924621 B CN 105924621B CN 201610447602 A CN201610447602 A CN 201610447602A CN 105924621 B CN105924621 B CN 105924621B
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- flame
- retardant
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- polyurethane flexible
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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
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
-
- 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
- C08G18/4833—Polyethers containing oxyethylene units
- C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
- C08G18/485—Polyethers containing oxyethylene units and other oxyalkylene units containing mixed oxyethylene-oxypropylene or oxyethylene-higher oxyalkylene end groups
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34922—Melamine; Derivatives thereof
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Polyurethanes Or Polyureas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention is a kind of flame-retardant polyurethane flexible foam plastics, is made of polyether polyol, dispersing agent, TDI, water, fire-retardant silicone oil, catalyst, fire retardant, and the fire retardant is nitrogenous flame ratardant.The present invention also provides the preparation methods of above-mentioned flame-retardant polyurethane flexible foam plastics, component A is made after stirring polyether polyol, nitrogenous flame ratardant and dispersant in it, water, catalyst, foam stabiliser, TDI and component A are quickly poured into mold after mixing and are foamed again, can be obtained.The fire retardant that polyurethane soft foamed plastics of the invention use is nitrogenous flame ratardant, and production cost is low, flame-retarding characteristic is high, and volatilize less, burning it is smokeless nontoxic, it is secure in secure context.
Description
[technical field]
The present invention relates to a kind of foam, a kind of flame-retardant polyurethane flexible foam plastics and preparation method thereof are referred in particular to.
[background technique]
(Flexible Polyurethane Foam, abbreviation soft polyurethane foam are commonly called as sea to polyurethane soft foamed plastics
Cotton) refer to a kind of flexibility polyurethane foam plastics with certain elasticity, it is general have density is low, elastic recovery is good, sound-absorbing,
The performances such as ventilative, heat preservation, are mainly used as furniture mat material, vehicle seat cushion material, various soft liner laminar composites.Work
Industry and it is civilian on also it is soft bubble be used as filtering material, acoustic material, packing, ornament materials, packaging material and heat-insulation and heat-preservation
Material etc..It is a kind of inflammable material, in certain fields, certain flame-retardancy requirements is had to this kind of material, such as virgin
Vehicle, automobile interior decoration etc..Usually addition phosphorus halogen compound enables material reach certain fire-retardant rank to previous way in formula,
On the one hand this based flame retardant is to have certain volatility and migration in itself, also have certain smell, when sponge is as packing material
When, there may be allergic reactions in people's long-term use process, endanger people's health；On the other hand, phosphorus halogen fire retardant is added
Sponge burning when can discharge a large amount of poisonous and hazardous gas, bring potential risks to the use of people.
From the above, it can be seen that we need a kind of environmental protection, flexible polyurethane foam that flame retardant property is high replaces
For traditional flame-retardant sponge.
[summary of the invention]
For above-mentioned technical problem in the prior art, the present invention provides a kind of flame-retardant polyurethane flexible foam plastics and
Preparation method, described flame-retardant polyurethane flexible foam plastics and preparation method thereof solve flame-retardant sponge in the prior art and contain
There are phosphorus and halogen, the problem of so as to cause generating toxic gas in user's allergy and combustion process, being detrimental to health.
In order to solve above-mentioned technical problem, the present invention is adopted the following technical solutions:
A kind of flame-retardant polyurethane flexible foam plastics, in parts by weight, formula are as follows:
The fire retardant is nitrogenous fire retardant, and the foam stabiliser is fire-retardant silicone oil.
Further, the fire retardant is melamine.
Further, it is the propylene oxide ring of 56mgKOH/g that the polyether polyol, which is by initiator, hydroxyl value of glycerol,
Oxidative ethane copolyether.
Further, the dispersing agent is PE-40.
Further, the catalyst is the mixture of one or both of A33 and T9 arbitrary proportion.
Further, a kind of flame-retardant polyurethane flexible foam plastics, in parts by weight, formula are as follows:
Further, a kind of flame-retardant polyurethane flexible foam plastics, in parts by weight, formula are as follows:
Further, a kind of flame-retardant polyurethane flexible foam plastics, in parts by weight, formula are as follows:
A kind of preparation method of flame-retardant polyurethane flexible foam plastics, comprises the following steps that
(1) polyether polyol, fire retardant and dispersing agent are weighed according to mass ratio, then above-mentioned material is mixed, when mixed
When being not greater than the pellet of 1mm in the stirring thing of conjunction, stop stirring, stands 5~20S, obtain component A, be then extracted into component A
It is spare in foaming preparation basin；
(2) water, catalyst, foam stabiliser, TDI are weighed according to mass ratio, and above-mentioned material and component A is controlled respectively
It is spare in 22~26 DEG C of environment；
(3) component A, water, catalyst, foam stabiliser, TDI are pumped into Horizontal foaming machine respectively according to mass ratio
In mixing head, 2~5S is mixed, mixing speed controls in 4500~5000r/min, is continuously injected in mold and foams, and passes through
110~120S foaming cures 7~8h at room temperature to get flame-retardant polyurethane flexible foam plastics.
Compared with prior art, the beneficial effects of the present invention are: the resistance that polyurethane soft foamed plastics of the invention use
Combustion agent is nitrogenous flame ratardant, and production cost is low, flame-retarding characteristic is high, and volatilize less, burning it is smokeless nontoxic, have in secure context
It ensures.
The present invention is described in further detail With reference to embodiment:
[specific embodiment]
Embodiment 1
A kind of flame-retardant polyurethane flexible foam plastics, in parts by weight, formula are as follows:
The polyether polyol is total for the propylene oxide ethylene oxide of 56mgKOH/g by initiator, hydroxyl value of glycerol
Polyethers.
A kind of preparation method of above-mentioned flame-retardant polyurethane flexible foam plastics, comprises the following steps that
(1) propylene oxide ethylene oxide copolyether, melamine and PE-40 are weighed according to mass ratio, then by above-mentioned material
It is mixed, when being not greater than the pellet of 1mm in mixed stirring thing, stops stirring, stand 5S, obtain component A, then will
Component A is extracted into spare in foaming preparation basin；
(2) water, A33, fire-retardant silicone oil, TDI are weighed according to mass ratio, and above-mentioned material and component A is controlled respectively 22
DEG C environment in it is spare；
(3) component A, water, catalyst, foam stabiliser, TDI are pumped into Horizontal foaming machine respectively according to mass ratio
In mixing head, 2S is mixed, mixing speed controls in 4500r/min, is continuously injected in mold and foams, be foamed into through 110S
Type cures 7h at room temperature to get flame-retardant polyurethane flexible foam plastics.
Embodiment 2
A kind of flame-retardant polyurethane flexible foam plastics, in parts by weight, formula are as follows:
The polyether polyol is total for the propylene oxide ethylene oxide of 56mgKOH/g by initiator, hydroxyl value of glycerol
Polyethers.
A kind of preparation method of above-mentioned flame-retardant polyurethane flexible foam plastics, comprises the following steps that
(1) propylene oxide ethylene oxide copolyether, melamine and PE-40 are weighed according to mass ratio, then by above-mentioned material
It is mixed, when being not greater than the pellet of 1mm in mixed stirring thing, stops stirring, stand 20S, obtain component A, then
Component A is extracted into spare in foaming preparation basin；
(2) water, A33, fire-retardant silicone oil, TDI are weighed according to mass ratio, and above-mentioned material and component A is controlled respectively 26
DEG C environment in it is spare；
(3) component A, water, catalyst, foam stabiliser, TDI are pumped into Horizontal foaming machine respectively according to mass ratio
In mixing head, 5S is mixed, mixing speed controls in 5000r/min, is continuously injected in mold and foams, be foamed into through 120S
Type cures 8h at room temperature to get flame-retardant polyurethane flexible foam plastics.
Embodiment 3
A kind of flame-retardant polyurethane flexible foam plastics, in parts by weight, formula are as follows:
The polyether polyol is total for the propylene oxide ethylene oxide of 56mgKOH/g by initiator, hydroxyl value of glycerol
Polyethers.
A kind of preparation method of above-mentioned flame-retardant polyurethane flexible foam plastics, comprises the following steps that
(1) propylene oxide ethylene oxide copolyether, melamine and PE-40 are weighed according to mass ratio, then by above-mentioned material
It is mixed, when being not greater than the pellet of 1mm in mixed stirring thing, stops stirring, stand 5S, obtain component A, then will
Component A is extracted into spare in foaming preparation basin；
(2) water, T9, fire-retardant silicone oil, TDI are weighed according to mass ratio, and above-mentioned material and component A is controlled respectively at 24 DEG C
Environment in it is spare；
(3) component A, water, catalyst, foam stabiliser, TDI are pumped into Horizontal foaming machine respectively according to mass ratio
In mixing head, 4S is mixed, mixing speed controls in 4800r/min, is continuously injected in mold and foams, be foamed into through 115S
Type cures 7.5h at room temperature to get flame-retardant polyurethane flexible foam plastics.
Compared with traditional flame-retardant sponge, the present invention solves additive flame retardant used in polyurethane soft foamed plastics
The existing serious safety problem for phosphorus halogen fire retardant, the technical problem that can bring health hazard etc. undesirable to user,
The fire retardant that polyurethane soft foamed plastics of the invention use is nitrogenous flame ratardant, and production cost is low, flame-retarding characteristic is high, and
And volatilization less, burning it is smokeless nontoxic, it is secure in secure context.
It is aobvious for those skilled in the art by the disclosure although the present invention is described in detail referring to above example
And be clear to, and in the case where not departing from the principle of the present invention and scope that the claim limits, it can be right
The present invention makes a variety of changes or modifies.Therefore, the detailed description of the embodiment of the present disclosure is only used to explain, rather than is used to limit
The present invention, but it is defined by the subject-matter of the claims the range of protection.
Claims (1)
1. a kind of preparation method of flame-retardant polyurethane flexible foam plastics, which is characterized in that comprise the following steps that
(1) prepare raw material
Wherein the fire retardant is nitrogenous flame ratardant, and the fire retardant is melamine；The foam stabiliser is fire-retardant
Silicone oil；The polyether polyol is to be copolymerized using glycerol as initiator, hydroxyl value for the propylene oxide ethylene oxide of 56mgKOH/g
Ether；The dispersing agent is PE-40；The catalyst is the mixture of one or both of A33 and T9 arbitrary proportion；
(2) polyether polyol, fire retardant and dispersing agent are weighed according to mass ratio, then above-mentioned material is mixed, when mixing
When being not greater than the pellet of 1mm in stirring thing, stop stirring, stands 5~20S, obtain component A, component A is then extracted into foaming
It is spare in preparation basin；
(3) water, catalyst, foam stabiliser, TDI are weighed according to mass ratio, and above-mentioned material and component A is controlled respectively 22
It is spare in~26 DEG C of environment；
(4) component A, water, catalyst, foam stabiliser, TDI are pumped into the mixing of Horizontal foaming machine respectively according to mass ratio
In head, 2~5 S are mixed, mixing speed controls in 4500~5000r/min, is continuously injected in mold and foams, through 110
~120S foaming cures 7~8h at room temperature to get flame-retardant polyurethane flexible foam plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610447602.0A CN105924621B (en) | 2016-06-18 | 2016-06-18 | A kind of flame-retardant polyurethane flexible foam plastics and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610447602.0A CN105924621B (en) | 2016-06-18 | 2016-06-18 | A kind of flame-retardant polyurethane flexible foam plastics and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105924621A CN105924621A (en) | 2016-09-07 |
| CN105924621B true CN105924621B (en) | 2019-08-02 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1583829A (en) * | 2004-05-26 | 2005-02-23 | 华南理工大学 | Method for preparing fire-retardant polyether by cyanuramide |
| CN102010587A (en) * | 2010-11-04 | 2011-04-13 | 滁州友林科技发展有限公司 | Method for preparing novel flame-retardant flexible polyurethane foam and product thereof |
| CN103289076A (en) * | 2013-05-07 | 2013-09-11 | 江苏长华聚氨酯科技有限公司 | Method for preparing flame retarding polyether from melamine |
-
2016
- 2016-06-18 CN CN201610447602.0A patent/CN105924621B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1583829A (en) * | 2004-05-26 | 2005-02-23 | 华南理工大学 | Method for preparing fire-retardant polyether by cyanuramide |
| CN102010587A (en) * | 2010-11-04 | 2011-04-13 | 滁州友林科技发展有限公司 | Method for preparing novel flame-retardant flexible polyurethane foam and product thereof |
| CN103289076A (en) * | 2013-05-07 | 2013-09-11 | 江苏长华聚氨酯科技有限公司 | Method for preparing flame retarding polyether from melamine |
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| CN105924621A (en) | 2016-09-07 |
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