CN109206571A - Washable slow rebound polyurethane foam and preparation method thereof - Google Patents
Washable slow rebound polyurethane foam and preparation method thereof Download PDFInfo
- Publication number
- CN109206571A CN109206571A CN201810971337.5A CN201810971337A CN109206571A CN 109206571 A CN109206571 A CN 109206571A CN 201810971337 A CN201810971337 A CN 201810971337A CN 109206571 A CN109206571 A CN 109206571A
- Authority
- CN
- China
- Prior art keywords
- parts
- polyurethane foam
- washable
- slow rebound
- rebound polyurethane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C08J9/143—Halogen containing compounds
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
- C08J9/145—Halogen containing compounds containing carbon, halogen and hydrogen only only chlorine as halogen atoms
-
- 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
- C08J9/143—Halogen containing compounds
- C08J9/147—Halogen containing compounds containing carbon and halogen atoms only
-
- 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
- C08K3/34—Silicon-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
- C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
-
- 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
- C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
- C08J2203/144—Perhalogenated saturated hydrocarbons, e.g. F3C-CF3
-
- 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
Abstract
The invention discloses a kind of washable slow rebound polyurethane foams, including following each component by weight: 33 ~ 46 parts of polyether polyol, 31 ~ 42 parts of isocyanates, 25 ~ 37 parts of phosphoric acid, 22 ~ 26 parts of silicone oil, 15 ~ 22 parts of adsorbent, 11 ~ 19 parts of foaming agent, 6 ~ 12 parts and 9 ~ 14 parts of water of catalyst.Foam good product quality prepared by the present invention has better low resilience effect, cushion performance and sound insulation value.
Description
Technical field
The invention belongs to foam technical fields, and in particular to a kind of washable slow rebound polyurethane foam and its preparation side
Method.
Background technique
Foam is the material that plastic pellet foamed, and the high molecular polymer with various small cells, solid phase is poly-
Polymer matrix, gassy in small cells, is divided into polyurethane foam, antistatic foam, conducting foam etc., has that elasticity is good, again
Amount is light, quickly pressure-sensitive fixation, easy to use, bending freely, a series of features such as the ultra-thin, reliable performance of volume.Polyurethane foam
Also known as polyurethane elastomer is widely used in national economy various fields because of the performance of its brilliance.Low-resilience foam refers to
After foam is deformed by external force, original shape is recovered immediately unlike general sponge, but is slowly resiled, this
Kind foam has preferable sound insulation and cushion performance, has a wide range of application.
Summary of the invention
To solve the deficiencies in the prior art, the purpose of the present invention is to provide a kind of washable slow rebound polyurethane foam and
Preparation method, the foam good product quality of preparation have better low resilience effect, cushion performance and sound insulation value.
In order to achieve the above objectives, the present invention adopts the following technical scheme that:
Washable slow rebound polyurethane foam, including following each component by weight: 33 ~ 46 parts of polyether polyol, isocyanide
31 ~ 42 parts of acid esters, 25 ~ 37 parts of phosphoric acid, 22 ~ 26 parts of silicone oil, 15 ~ 22 parts of adsorbent, 11 ~ 19 parts of foaming agent, 6 ~ 12 parts of catalyst
With 9 ~ 14 parts of water.
Preferably, aforementioned polyether polyol includes following each component by weight: 36 ~ 41 parts of triethylene glycol, erythrol
31 ~ 37 parts, 22 ~ 28 parts of 1,2- butylene oxide, 16 ~ 25 parts of ether, 11 ~ 18 parts and 6 ~ 8 parts of water of sodium hydroxide.
More preferably, aforementioned isocyanates are that toluene di-isocyanate(TDI), 1-6 di-isocyanate and phenylenedimethylidyne two are different
One of cyanate is a variety of.
It is highly preferred that preceding adsorption agent is aluminium oxide or magnesium silicate.
It is further preferred that aforementioned catalytic agent is dibutyl tin dilaurate, Mono-n-butyltin or triethylene diamine.
Specifically, aforementioned foaming agent is methylene chloride or fluoro trichloromethane.
The preparation method of washable slow rebound polyurethane foam above-mentioned, including following preparation step:
S1, each material of said ratio precise is pressed；
S2, triethylene glycol, erythrol and sodium hydroxide are successively put into reaction kettle, increases temperature, is carried out after being uniformly mixed
Vacuum dehydration processing, is made mixed solution:
S3, it is slowly added to 1,2- butylene oxide into reaction kettle, and gradually rises temperature, carry out polymerization reaction, after the reaction was completed,
Vacuum outgas is opened, thick ether is obtained；
S4, thick ether is put into reaction vessel, water is added, and phosphoric acid is slowly added dropwise, adjustment pH value to pH is 4.5 ~ 5, is added
Adsorbent carries out vacuum dehydration processing, and polyether polyol is made；
S5, polyether polyol, silicone oil, catalyst and water are sequentially added in a kettle, after being mixed evenly, rapidly join different
Cyanate and foaming agent carry out foaming processing, obtain foaming body；
S6, foaming body is subjected to maturation process, obtains polyurethane foam.
Preferably, in abovementioned steps S2, temperature of reaction kettle is increased to 125 ~ 130 DEG C, and dehydration treatment time is 2.5 ~ 3.5h.
More preferably, in above mentioned step S3, the reaction temperature of polymerization reaction is 135 ~ 140 DEG C, reaction pressure is 0.15 ~
0.3MPa, the heating rate of temperature rise period are 2 ~ 3 DEG C/min.
It is highly preferred that the temperature of vacuum dehydration processing is 110 ~ 115 DEG C, dehydration treatment time 1.5 in abovementioned steps S4
~2.5h。
The invention has the beneficial effects that: the good product quality of washable slow rebound polyurethane foam of the invention has
Preferable processing performance, preparation method is simple to operation, environment friendly and pollution-free；The polyether polyol for preparing through the invention is made
Standby foam can reach excellent low resilience effect, effectively increase the buffering and sound insulation value of foam.
Specific embodiment
Below in conjunction with detailed description of the invention by specific embodiments.
Embodiment 1
Washable slow rebound polyurethane foam, including following each component by weight: 33 parts of polyether polyol, toluene two are different
31 parts of cyanate, 25 parts of phosphoric acid, 22 parts of silicone oil, 15 parts of aluminium oxide, 11 parts of methylene chloride, 6 parts of dibutyl tin dilaurate and water 9
Part.Polyether polyol includes following each component by weight: 36 parts of triethylene glycol, 31 parts of erythrol, 1,2- butylene oxide 22
Part, 16 parts of ether, 11 parts of sodium hydroxide and 6 parts of water.
The preparation method of washable slow rebound polyurethane foam above-mentioned, including following preparation step:
S1, each material of said ratio precise is pressed；
S2, triethylene glycol, erythrol and sodium hydroxide are successively put into reaction kettle, increases temperature to 125 DEG C, is uniformly mixed
Vacuum dehydration processing is carried out afterwards, and mixed solution is made in dehydration treatment time 2.5h:
S3, it is slowly added to 1,2- butylene oxide into reaction kettle, and gradually rises temperature to 135 DEG C, the heating of temperature rise period is fast
Rate is 2 DEG C/min, carries out polymerization reaction, and reaction pressure 0.15MPa opens vacuum outgas after the reaction was completed, obtains thick ether；
S4, thick ether is put into reaction vessel, water is added, and phosphoric acid is slowly added dropwise, adjustment pH value to pH is 4.5, adds oxygen
Change aluminium, carry out vacuum dehydration processing, dehydration temperaturre is 110 DEG C, dewatering time 1.5h, and polyether polyol is made；
S5, polyether polyol, silicone oil, dibutyl tin dilaurate and water are sequentially added in a kettle, after being mixed evenly,
Toluene di-isocyanate(TDI) and methylene chloride are rapidly joined, foaming processing is carried out, obtains foaming body；
S6, foaming body is subjected to maturation process, obtains polyurethane foam.
Embodiment 2
Washable slow rebound polyurethane foam, including following each component by weight: 46 parts of polyether polyol, 1-6 two
42 parts of isocyanates, 37 parts of phosphoric acid, 26 parts of silicone oil, 22 parts of magnesium silicate, 19 parts of fluoro trichloromethane, 12 parts of Mono-n-butyltin and
14 parts of water.Polyether polyol includes following each component by weight: 41 parts of triethylene glycol, 37 parts of erythrol, 1,2- aoxidize fourth
28 parts of alkene, 25 parts of ether, 18 parts of sodium hydroxide and 8 parts of water.
The preparation method of washable slow rebound polyurethane foam above-mentioned, including following preparation step:
S1, each material of said ratio precise is pressed；
S2, triethylene glycol, erythrol and sodium hydroxide are successively put into reaction kettle, increases temperature to 130 DEG C, is uniformly mixed
Vacuum dehydration processing is carried out afterwards, and mixed solution is made in dehydration treatment time 3.5h:
S3, it is slowly added to 1,2- butylene oxide into reaction kettle, and gradually rises temperature to 140 DEG C, the heating of temperature rise period is fast
Rate is 3 DEG C/min, carries out polymerization reaction, and reaction pressure 0.3MPa opens vacuum outgas after the reaction was completed, obtains thick ether；
S4, thick ether is put into reaction vessel, water is added, and phosphoric acid is slowly added dropwise, adjustment pH value to pH is 5, adds silicic acid
Magnesium carries out vacuum dehydration processing, and dehydration temperaturre is 115 DEG C, dewatering time 2.5h, and polyether polyol is made；
S5, polyether polyol, silicone oil, Mono-n-butyltin and water are sequentially added in a kettle, after being mixed evenly, quickly
1-6 di-isocyanate and fluoro trichloromethane is added, carries out foaming processing, obtains foaming body；
S6, foaming body is subjected to maturation process, obtains polyurethane foam.
Embodiment 3
Washable slow rebound polyurethane foam, including following each component by weight: 39 parts of polyether polyol, two methylene of benzene
36 parts of group diisocyanate, 30 parts of phosphoric acid, 24 parts of silicone oil, 18 parts of magnesium silicate, 15 parts of methylene chloride, 9 parts of triethylene diamine and water
12 parts.Polyether polyol includes following each component by weight: 38 parts of triethylene glycol, 35 parts of erythrol, 1,2- butylene oxide
25 parts, 21 parts of ether, 14 parts of sodium hydroxide and 7 parts of water.
The preparation method of washable slow rebound polyurethane foam above-mentioned, including following preparation step:
S1, each material of said ratio precise is pressed；
S2, triethylene glycol, erythrol and sodium hydroxide are successively put into reaction kettle, increases temperature to 128 DEG C, is uniformly mixed
Vacuum dehydration processing is carried out afterwards, and mixed solution is made in dehydration treatment time 3h:
S3, it is slowly added to 1,2- butylene oxide into reaction kettle, and gradually rises temperature to 138 DEG C, the heating of temperature rise period is fast
Rate is 2 DEG C/min, carries out polymerization reaction, and reaction pressure 0.2MPa opens vacuum outgas after the reaction was completed, obtains thick ether；
S4, thick ether is put into reaction vessel, water is added, and phosphoric acid is slowly added dropwise, adjustment pH value to pH is 4.5, adds silicon
Sour magnesium carries out vacuum dehydration processing, and dehydration temperaturre is 112 DEG C, dewatering time 2h, and polyether polyol is made；
S5, polyether polyol, silicone oil, triethylene diamine and water are sequentially added in a kettle, after being mixed evenly, quickly add
Enter benzene dimethylene diisocyanate and methylene chloride, carries out foaming processing, obtain foaming body；
S6, foaming body is subjected to maturation process, obtains polyurethane foam.
By comparing with commercially available common foam, the foam in embodiment 1, embodiment 2 and embodiment 3 has preferably slow
Spring back effect, cushion performance and sound insulation value.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the above embodiments do not limit the invention in any form, all obtained by the way of equivalent substitution or equivalent transformation
Technical solution is fallen within the scope of protection of the present invention.
Claims (10)
1. washable slow rebound polyurethane foam, which is characterized in that including following each component by weight: polyether polyol
33 ~ 46 parts, 31 ~ 42 parts of isocyanates, 25 ~ 37 parts of phosphoric acid, 22 ~ 26 parts of silicone oil, 15 ~ 22 parts of adsorbent, 11 ~ 19 parts of foaming agent,
6 ~ 12 parts and 9 ~ 14 parts of water of catalyst.
2. washable slow rebound polyurethane foam according to claim 1, which is characterized in that the polyether polyol includes
Each component by weight below: 36 ~ 41 parts of triethylene glycol, 31 ~ 37 parts of erythrol, 22 ~ 28 parts of 1,2- butylene oxide, ether 16
~ 25 parts, 11 ~ 18 parts and 6 ~ 8 parts of water of sodium hydroxide.
3. the polyurethane foam according to claim 1 with heat conductive flame-retarding performance, which is characterized in that the isocyanates
For one of toluene di-isocyanate(TDI), 1-6 di-isocyanate and benzene dimethylene diisocyanate or a variety of.
4. washable slow rebound polyurethane foam according to claim 1, which is characterized in that the adsorbent is aluminium oxide
Or magnesium silicate.
5. washable slow rebound polyurethane foam according to claim 1, which is characterized in that the catalyst is two laurels
Sour dibutyl tin, Mono-n-butyltin or triethylene diamine.
6. washable slow rebound polyurethane foam according to claim 1, which is characterized in that the foaming agent is dichloromethane
Alkane or fluoro trichloromethane.
7. such as the preparation method of washable slow rebound polyurethane foam according to any one of claims 1 to 6, feature exists
In, including following preparation step:
S1, each material of said ratio precise is pressed；
S2, triethylene glycol, erythrol and sodium hydroxide are successively put into reaction kettle, increases temperature, is carried out after being uniformly mixed
Vacuum dehydration processing, is made mixed solution:
S3, it is slowly added to 1,2- butylene oxide into reaction kettle, and gradually rises temperature, carry out polymerization reaction, after the reaction was completed,
Vacuum outgas is opened, thick ether is obtained；
S4, thick ether is put into reaction vessel, water is added, and phosphoric acid is slowly added dropwise, adjustment pH value to pH is 4.5 ~ 5, is added
Adsorbent carries out vacuum dehydration processing, and polyether polyol is made；
S5, polyether polyol, silicone oil, catalyst and water are sequentially added in a kettle, after being mixed evenly, rapidly join different
Cyanate and foaming agent carry out foaming processing, obtain foaming body；
S6, foaming body is subjected to maturation process, obtains polyurethane foam.
8. the preparation method of washable slow rebound polyurethane foam according to claim 7, which is characterized in that the step
In S2, temperature of reaction kettle is increased to 125 ~ 130 DEG C, and dehydration treatment time is 2.5 ~ 3.5h.
9. the preparation method of washable slow rebound polyurethane foam according to claim 7, which is characterized in that the step
In S3, the reaction temperature of polymerization reaction is 135 ~ 140 DEG C, and reaction pressure is 0.15 ~ 0.3MPa, and the heating rate of temperature rise period is
2~3℃/min。
10. the preparation method of washable slow rebound polyurethane foam according to claim 7, which is characterized in that the step
In rapid S4, the temperature of vacuum dehydration processing is 110 ~ 115 DEG C, and dehydration treatment time is 1.5 ~ 2.5h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810971337.5A CN109206571A (en) | 2018-08-24 | 2018-08-24 | Washable slow rebound polyurethane foam and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810971337.5A CN109206571A (en) | 2018-08-24 | 2018-08-24 | Washable slow rebound polyurethane foam and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109206571A true CN109206571A (en) | 2019-01-15 |
Family
ID=64989307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810971337.5A Pending CN109206571A (en) | 2018-08-24 | 2018-08-24 | Washable slow rebound polyurethane foam and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109206571A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164664A (en) * | 2021-12-15 | 2022-03-11 | 盐城市恒丰海绵有限公司 | Preparation process of water-locking cotton |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0102508A1 (en) * | 1982-08-05 | 1984-03-14 | BASF Aktiengesellschaft | Process for purifying crude polyether-polyols |
| CN1660918A (en) * | 2005-01-31 | 2005-08-31 | 锦化化工（集团）有限责任公司 | Method for preparing polyether glycol in use fire resistant hard foam of polyurethane |
| US20080108719A1 (en) * | 1999-10-25 | 2008-05-08 | Geiger Eric J | Phthalic Anhydride Based Polyester-Ether Polyols and Double Metal Cyanide Catalyst System for Preparing Same |
| CN101376743A (en) * | 2008-09-26 | 2009-03-04 | 上海应用技术学院 | Hard polyurethane foam plastic for construction heat insulation and preparation thereof |
| CN103724651A (en) * | 2013-12-06 | 2014-04-16 | 江苏盈天化学有限公司 | Preparation method of polyether polyol containing foaming agent for rigid foam |
| CN104961888A (en) * | 2015-06-11 | 2015-10-07 | 山东一诺威新材料有限公司 | Preparation method of polyether polyol for slow rebound foam |
| CN105315449A (en) * | 2015-11-25 | 2016-02-10 | 山东一诺威新材料有限公司 | Polyether polyol used for low-density gaseousness and slow-resilience foam, preparation method of polyether polyol and slow-resilience foam and preparation method thereof |
| CN105315451A (en) * | 2015-11-25 | 2016-02-10 | 山东一诺威新材料有限公司 | Slow-recovery polyether polyol and preparation method thereof and slow-recovery foam and preparation method thereof |
| CN107488252A (en) * | 2017-07-31 | 2017-12-19 | 广州昆德日用品有限公司 | A kind of washable slow rebound polyurethane foam and its preparation method and application |
| CN108047442A (en) * | 2017-12-20 | 2018-05-18 | 上海东大化学有限公司 | A kind of compound polyether polyol of rigid foam and preparation method thereof |
-
2018
- 2018-08-24 CN CN201810971337.5A patent/CN109206571A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0102508A1 (en) * | 1982-08-05 | 1984-03-14 | BASF Aktiengesellschaft | Process for purifying crude polyether-polyols |
| US20080108719A1 (en) * | 1999-10-25 | 2008-05-08 | Geiger Eric J | Phthalic Anhydride Based Polyester-Ether Polyols and Double Metal Cyanide Catalyst System for Preparing Same |
| CN1660918A (en) * | 2005-01-31 | 2005-08-31 | 锦化化工（集团）有限责任公司 | Method for preparing polyether glycol in use fire resistant hard foam of polyurethane |
| CN101376743A (en) * | 2008-09-26 | 2009-03-04 | 上海应用技术学院 | Hard polyurethane foam plastic for construction heat insulation and preparation thereof |
| CN103724651A (en) * | 2013-12-06 | 2014-04-16 | 江苏盈天化学有限公司 | Preparation method of polyether polyol containing foaming agent for rigid foam |
| CN104961888A (en) * | 2015-06-11 | 2015-10-07 | 山东一诺威新材料有限公司 | Preparation method of polyether polyol for slow rebound foam |
| CN105315449A (en) * | 2015-11-25 | 2016-02-10 | 山东一诺威新材料有限公司 | Polyether polyol used for low-density gaseousness and slow-resilience foam, preparation method of polyether polyol and slow-resilience foam and preparation method thereof |
| CN105315451A (en) * | 2015-11-25 | 2016-02-10 | 山东一诺威新材料有限公司 | Slow-recovery polyether polyol and preparation method thereof and slow-recovery foam and preparation method thereof |
| CN107488252A (en) * | 2017-07-31 | 2017-12-19 | 广州昆德日用品有限公司 | A kind of washable slow rebound polyurethane foam and its preparation method and application |
| CN108047442A (en) * | 2017-12-20 | 2018-05-18 | 上海东大化学有限公司 | A kind of compound polyether polyol of rigid foam and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 于剑昆: "国内聚醚多元醇的生产现状及技术进展", 《化学推进剂与高分子材料》 * |
| 李俊贤: "《塑料工业手册：聚氨酯》", 31 July 1999, 化学工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164664A (en) * | 2021-12-15 | 2022-03-11 | 盐城市恒丰海绵有限公司 | Preparation process of water-locking cotton |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101519485B (en) | Wide temperature domain damping polyurethane micropore elastomer material and preparation method thereof | |
| CN110041553B (en) | Foam stabilizer for full-water foaming system | |
| CN104961888A (en) | Preparation method of polyether polyol for slow rebound foam | |
| CN102002157B (en) | Aromatic polyester modified polyether polyol and preparation method thereof | |
| CN109456457B (en) | Sponge material for preparing yellowing-resistant cosmetic cotton and preparation method thereof | |
| CN110922580A (en) | Preparation method of high molecular weight high activity polyether polyol | |
| CN112694585B (en) | Hard polyisocyanurate node material for insulating deep-sea transmission pipeline interface and preparation method thereof | |
| CN106750093A (en) | A kind of refrigerator for the polyurethane foam system of refrigerator and based on it | |
| JP2013525577A5 (en) | ||
| CN103709391A (en) | Method for synthesis of low-unsaturation degree, high-molecular weight and high-activity polyether polyol | |
| WO2017194033A1 (en) | Polyurethane molded plastic mattress composition and preparation method therefor | |
| CN110885417A (en) | Compression-resistant low-density TDI (toluene diisocynate) type high-resilience foam sponge and preparation method thereof | |
| CN101343416A (en) | Foam homogenizing agent for high-MDI system polyurethane high-springback foam | |
| CN104004175B (en) | Flame retardant polyether polyol, combined polyether, polyurethane foam and preparation method thereof | |
| CN109206571A (en) | Washable slow rebound polyurethane foam and preparation method thereof | |
| CN110845718A (en) | Preparation method of high-performance high-resilience polyether polyol | |
| CN104448290A (en) | Phosphorus-containing flame-retardant polyether polyol | |
| CN112759752B (en) | Polyether polyol for synergistic flame-retardant sponge and preparation method thereof | |
| CN113197392A (en) | Graphite alkene shoe-pad of breathing freely | |
| CN108129689A (en) | The preparation process of the shockproof polyurethane foam of heat conduction | |
| CN104497256A (en) | Polyurethane combined material for low-mould-temperature process and preparation method thereof | |
| CN112194784A (en) | Preparation method of starch-based flame-retardant polyether polyol | |
| CN104140518B (en) | A kind of hydrophily one-component water cure polyurethane and preparation method thereof | |
| CN102532865B (en) | Composite polyether for environmentally-friendly open pore type pipeline and preparation method thereof | |
| CN113896860B (en) | Full-water polyurethane rigid foam material, preparation method and application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 224055 Residential Committee of Louwang Town, Yandu District, Yancheng City, Jiangsu Province (O) Applicant after: Jiangsu Srida Material Technology Co., Ltd. Address before: 224000 Louwang Industrial Zone, Yancheng City, Jiangsu Province Applicant before: JIANGSU SIRUIDA NEW MATERIAL TECHNOLOGY CO., LTD. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190115 |
|
| RJ01 | Rejection of invention patent application after publication |