CN108559051A - A kind of zero VOC high resilience polyurethane foam and preparation method thereof - Google Patents
A kind of zero VOC high resilience polyurethane foam and preparation method thereof Download PDFInfo
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- CN108559051A CN108559051A CN201810467055.1A CN201810467055A CN108559051A CN 108559051 A CN108559051 A CN 108559051A CN 201810467055 A CN201810467055 A CN 201810467055A CN 108559051 A CN108559051 A CN 108559051A
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- polyurethane foam
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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
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6688—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 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
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3271—Hydroxyamines
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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
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
-
- 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
- C08K5/21—Urea; Derivatives thereof, e.g. biuret
-
- 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
- C08G2101/00—Manufacture of cellular products
-
- 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
- C08K2003/2262—Oxides; Hydroxides of metals of manganese
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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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The present invention relates to a kind of zero VOC high resilience polyurethane foams and preparation method thereof, this foam is mainly used on car carpeting.It includes polyether polyol mixtures (A material) and isocyanates (B material) that it, which is produced, the A material include polyether polyol with high activity, crosslinking agent, pore-creating agent, catalyst, foaming agent, absorbent, A material provided by the invention use special absorbent, polyurethane foam can be made to have ultralow VOC content after adding absorbent, and excellent sound absorption qualities, it is highly suitable for the polyurethane high resilience foam of car carpeting.
Description
Technical field
The present invention relates to polyurethane foam fields, and in particular to a kind of zero VOC high resilience polyurethane foam and its preparation
Method.
Background technology
With the increasingly promotion of national economic development level, people are higher and higher to the environmental requirement of car carpeting.Poly- ammonia
The volatile harmful gase generated in the lower-molecular substance volatilization of ester foam and its production process is to influence its feature of environmental protection and cleaning
The importance of production, and the VOC substances that polyurethane foam is discharged not only have penetrating odor, influence the sense organ of human body
It enjoys and nervous system, benzene and formaldehyde therein has more strong carcinogenesis, it is therefore desirable to stringent management and control.In order to which market needs
Ask that we developed the car carpetings with excellent performances such as excellent resilience, zero VOC, unique sound absorptions.
Invention content
In view of the above problems, the purpose of the present invention is to provide a kind of low VOC, and harmless, rebound
Property, all preferable polyurethane foam of absorbability and preparation method thereof.
To achieve the above object, the present invention provides a kind of zero VOC high resilience polyurethane foams, are expected with A material and B
For raw material, the A material include polyether polyol with high activity, and crosslinking agent, pore-creating agent, catalyst, foaming agent, absorbent, B, which expects, includes
Isocyanates, above-mentioned raw materials component ratio are：
Polyether polyol：85~95 parts,
Crosslinking agent:1~2 part,
Pore-creating agent：1~3 part,
Catalyst：1~10 part,
Foaming agent：1~10 part,
Absorbent：0.5~3 part,
Water：5~20 parts,
The isocyanate component is：40~65 parts of
The crosslinking agent is one or both of diethanol amine, triethanolamine.Crosslinking agent can be in the molecule of line style
Between generate chemical bond, so that linear molecule is connected with each other, formed reticular structure, in this way raising rubber intensity and elasticity.
The absorbent is chemical classes absorbent.
The chemical classes absorbent presses 1.5 by manganese dioxide, urea, ethylenediamine：5.5：3 mass ratio is formulated
The pore-creating agent is that polypropylene oxide-ethylene oxide copolyether object type pore-creating agent is opened with polysiloxane copolymer type
The mixture of hole agent.Pore-creating agent, which is added, can be effectively reduced the surface tension of foam, promote cell collapse, improve polyurethane foam
The percent opening of foam plastics improves soft caused by closed pore.
The catalyst is amines catalyst.Amines catalyst is generally used in the production of polyurethane foam plastics,
The reaction speed for improving polyurethane foam can be improved, its reaction time is reduced.
The present invention also provides a kind of method being used to prepare the zero VOC high resilience polyurethane foam, features
It is, includes the following steps：
(1) A material are prepared：Polyether polyol is added in reactor, stirring is opened, sequentially adds crosslinking agent in order, opens
Hole agent, catalyst, foaming agent, absorbent, water discharge after the completion of stirring；
(2) it mixes：It is stirred evenly after A material are mixed with B material, mixture is poured into mold, molded, placed after demoulding,
Up to zero VOC high resilience polyurethane foam after cooling.
In step (1), mixing speed is 100 revs/min.
In step (1), mixing time is 1 hour.
In step (2), mixture pours into before mold, and mold carries out the pre-heat treatment.It can be easy using pretreatment to mold
In making mixture smoothly be molded, and also prevent occurring the case where shortening die life due to die surface difference variation.
Compared with prior art, the beneficial effects of the invention are as follows：Present invention employs polyether polyol with high activity is added, hand over
Joining agent, pore-creating agent, catalyst, foaming agent, absorbent is expected as A material, isocyanates as B, is mixed and is obtained polyurethane foam, with
The excellent polyurethane foam of sound absorbing performance, resilience performance is obtained, and by the way that chemical classes absorbent is added, effectively reduces poly- ammonia
The VOC content of ester foam.The present invention also provides a kind of preparation method of the zero VOC high resilience polyurethane foam, operation letters
It is single, it is easy to be molded, product stripping postcooling is up to product.
Specific embodiment
The principles and features of the present invention are described below, and the given examples are served only to explain the present invention, is not intended to limit
Determine the scope of the present invention.
Embodiment 1
A kind of zero VOC high resilience polyurethane foam combination material and preparation method thereof, proportioning figures packet by mass parts in A material
It includes：Polyether polyol：92 parts, crosslinking agent：1.5 parts, pore-creating agent：1.5 parts, catalyst：2.0 parts, foaming agent：6 parts, absorbent：2
Part, water：5 parts, B material：60 parts.A material preparation process be：By polyether polyol be added reactor in, open stirring, in order according to
Secondary addition crosslinking agent, pore-creating agent, catalyst, foaming agent, absorbent, water；Mixing speed is to go out after 100r/min is stirred 1 hour
Material.Method of the combination material for producing polyurethane foam is will quickly to stir evenly, pour into preheated after A material and B material mixing
Mold in, molding, high resilience polyurethane foam can be obtained by being placed to room temperature after demoulding.
Embodiment 2
A kind of zero VOC high resilience polyurethane foam combination material and preparation method thereof, proportioning figures packet by mass parts in A material
It includes：Polyether polyol：92 parts, crosslinking agent：1.5 parts, pore-creating agent：1.5 parts, catalyst：2.0 parts, foaming agent：6 parts, absorbent：
1.5 parts, water：5 parts, isocyanates：60 parts.A material preparation process be：Polyether polyol is added in reactor, stirring is opened,
Crosslinking agent, pore-creating agent, catalyst, foaming agent, absorbent, water are sequentially added in order；Mixing speed is that 100r/min stirrings 1 are small
When after discharge.Method of the combination material for producing polyurethane foam is will quickly to stir evenly, pour into after A material and B material mixing
In preheated mold, molding, high resilience polyurethane foam can be obtained by being placed to room temperature after demoulding.
Embodiment 3
A kind of zero VOC high resilience polyurethane foam combination material and preparation method thereof, proportioning figures packet by mass parts in A material
It includes：Polyether polyol：92 parts, crosslinking agent：1.5 parts, pore-creating agent：1.5 parts, catalyst：2.0 parts, foaming agent：6 parts, absorbent：1
Part, water：5 parts, B material：60 parts.A material preparation process be：By polyether polyol be added reactor in, open stirring, in order according to
Secondary addition crosslinking agent, pore-creating agent, catalyst, foaming agent, absorbent, water；Mixing speed is to go out after 100r/min is stirred 1 hour
Material.Method of the combination material for producing polyurethane foam is will quickly to stir evenly, pour into preheated after A material and B material mixing
Mold in, molding, high resilience polyurethane foam can be obtained by being placed to room temperature after demoulding.
Embodiment 4
A kind of zero VOC high resilience polyurethane foam combination material and preparation method thereof, proportioning figures packet by mass parts in A material
It includes：Polyether polyol：92 parts, crosslinking agent：1.5 parts, pore-creating agent：1.5 parts, catalyst：2.0 parts, foaming agent：6 parts, absorbent：
0.8 part, water：5 parts, isocyanates：60 parts.A material preparation process be：Polyether polyol is added in reactor, stirring is opened,
Crosslinking agent, pore-creating agent, catalyst, foaming agent, absorbent, water are sequentially added in order；Mixing speed is that 100r/min stirrings 1 are small
When after discharge.Method of the combination material for producing polyurethane foam is will quickly to stir evenly, pour into after A material and B material mixing
In preheated mold, molding, high resilience polyurethane foam can be obtained by being placed to room temperature after demoulding.
Comparative example 1
A kind of zero VOC high resilience polyurethane foam combination material and preparation method thereof, proportioning figures packet by mass parts in A material
It includes：Polyether polyol：92 parts, crosslinking agent：1 part, pore-creating agent：1.5 parts, catalyst：2.0 parts, foaming agent：6 parts, water：5 parts, B
Material：60 parts.A material preparation process be：Polyether polyol is added in reactor, stirring is opened, sequentially adds crosslinking in order
Agent, pore-creating agent, catalyst, foaming agent, water；Mixing speed is to discharge after 100r/min is stirred 1 hour.Combination material is poly- for producing
The method of urethane foam is will quickly to be stirred evenly after A material and B material mixing, pour into preheated mold, mold, after demoulding
High resilience polyurethane foam can be obtained by placing to room temperature.
The polyurethane products that above-described embodiment is produced with comparative example, are placed 7 days after demoulding, detect VOC, testing result is such as
Following table one.
Table one：Polyurethane products VOC performance test results
In above table, used reagent is identical as embodiment 1-3 in comparative example 1.Absorption is not added in comparative example 1
Agent,
Used absorbent dosage is different in embodiment 1-3.It can be with compared with comparative example 1 by embodiment in table 1
Know that the addition of absorbent can be substantially reduced VOC content.Compare the content it is known that VOC by embodiment 1-4 in table
There are obvious relation, the difference of absorbent addition to affect the content of VOC in polyurethane products with absorbent addition, according to
Different demands, thus it is possible to vary the additive amount of uptake, to obtain required polyurethane foam.
Several preferred embodiments of invention have shown and described in above description, but it has been observed that it should be understood that the present invention is not
It is confined to form disclosed herein, is not to be taken as excluding other embodiments, and can be used for various other combinations, modification
And environment, and can be carried out by the above teachings or related fields of technology or knowledge in the scope of the invention is set forth herein
Change.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be in institute of the present invention
In attached scope of the claims.
Claims (10)
1. a kind of zero VOC high resilience polyurethane foam, with A material and B material for raw material, the A material include that high activity polyether is polynary
Alcohol, crosslinking agent, pore-creating agent, catalyst, foaming agent, absorbent, in terms of quality proportioning, above-mentioned raw materials component ratio is：
Polyether polyol：85~95 parts,
Crosslinking agent:1~2 part,
Pore-creating agent：1~3 part,
Catalyst：1~10 part,
Foaming agent：1~10 part,
Absorbent：0.5~3 part,
Water：5~20 parts,
The isocyanate component is：40~65 parts.
2. a kind of zero VOC high resilience polyurethane foam according to claim 1, which is characterized in that the crosslinking agent
For one or both of diethanol amine, triethanolamine.
3. a kind of zero VOC high resilience polyurethane foam according to claim 1, which is characterized in that the absorbent
For chemical classes absorbent.
4. a kind of zero VOC high resilience polyurethane foam according to claim 3, which is characterized in that the chemical classes
Absorbent presses 1.5 by manganese dioxide, urea, ethylenediamine：5.5：3 mass ratio is formulated
5. a kind of zero VOC high resilience polyurethane foam according to claim 1, which is characterized in that the pore-creating agent
For the mixture of polypropylene oxide-ethylene oxide copolyether object type pore-creating agent and polysiloxane copolymer type pore-creating agent.
6. a kind of zero VOC high resilience polyurethane foam according to claim 1, which is characterized in that the catalyst
For amines catalyst.
7. a kind of method being used to prepare the zero VOC high resilience polyurethane foam described in claim 1-6, which is characterized in that
Include the following steps：
(1) A material are prepared：By polyether polyol be added reactor in, open stirring, sequentially add in order crosslinking agent, pore-creating agent,
Catalyst, foaming agent, absorbent, water discharge after the completion of stirring；
(2) it mixes：It is stirred evenly after A material are mixed with B material, mixture is poured into mold, molded, placed after demoulding, it is cooling
Afterwards up to zero VOC high resilience polyurethane foam.
8. a kind of preparation method of zero VOC high resilience polyurethane foam according to claim 7, which is characterized in that step
Suddenly in (1), mixing speed is 100 revs/min.
9. according to a kind of preparation method of zero VOC high resilience polyurethane foam described in claim 7, which is characterized in that step
(1) in, mixing time is 1 hour.
10. according to a kind of preparation method of zero VOC high resilience polyurethane foam described in claim 7, which is characterized in that step
(2) in, mixture pours into before mold, and mold carries out the pre-heat treatment.
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| CN201810467055.1A CN108559051A (en) | 2018-05-16 | 2018-05-16 | A kind of zero VOC high resilience polyurethane foam and preparation method thereof |
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| CN201810467055.1A CN108559051A (en) | 2018-05-16 | 2018-05-16 | A kind of zero VOC high resilience polyurethane foam and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109293876A (en) * | 2018-10-08 | 2019-02-01 | 南通鸿图健康科技有限公司 | A kind of novel body building apparatus material and preparation method thereof |
| CN110760053A (en) * | 2019-10-31 | 2020-02-07 | 长春一汽富晟汽车毯业有限公司 | Polyurethane foamed commercial vehicle carpet and preparation method thereof |
| CN110835400A (en) * | 2019-11-29 | 2020-02-25 | 长华化学科技股份有限公司 | High-resilience polyurethane foam plastic with high comfort, low hysteresis loss and low VOC (volatile organic compounds), and preparation method and application thereof |
| CN112062933A (en) * | 2020-09-21 | 2020-12-11 | 长春富晟汽车饰件有限公司 | Closed-mold polyurethane foaming formula for automotive interior |
| CN114106287A (en) * | 2020-09-01 | 2022-03-01 | 北汽岱摩斯汽车系统（重庆）有限公司 | Low-VOC (volatile organic compound) molded high-resilience polyurethane and preparation method thereof |
| CN114316208A (en) * | 2021-12-28 | 2022-04-12 | 苏州云裳电子有限公司 | Polyurethane environment-friendly foam and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109293876A (en) * | 2018-10-08 | 2019-02-01 | 南通鸿图健康科技有限公司 | A kind of novel body building apparatus material and preparation method thereof |
| CN110760053A (en) * | 2019-10-31 | 2020-02-07 | 长春一汽富晟汽车毯业有限公司 | Polyurethane foamed commercial vehicle carpet and preparation method thereof |
| CN110835400A (en) * | 2019-11-29 | 2020-02-25 | 长华化学科技股份有限公司 | High-resilience polyurethane foam plastic with high comfort, low hysteresis loss and low VOC (volatile organic compounds), and preparation method and application thereof |
| CN114106287A (en) * | 2020-09-01 | 2022-03-01 | 北汽岱摩斯汽车系统（重庆）有限公司 | Low-VOC (volatile organic compound) molded high-resilience polyurethane and preparation method thereof |
| CN112062933A (en) * | 2020-09-21 | 2020-12-11 | 长春富晟汽车饰件有限公司 | Closed-mold polyurethane foaming formula for automotive interior |
| CN114316208A (en) * | 2021-12-28 | 2022-04-12 | 苏州云裳电子有限公司 | Polyurethane environment-friendly foam and preparation method thereof |
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Application publication date: 20180921 |