CN109337030A - A kind of formula and preparation method thereof sinking to the bottom expandable polyurethane filler - Google Patents
A kind of formula and preparation method thereof sinking to the bottom expandable polyurethane filler Download PDFInfo
- Publication number
- CN109337030A CN109337030A CN201811120273.4A CN201811120273A CN109337030A CN 109337030 A CN109337030 A CN 109337030A CN 201811120273 A CN201811120273 A CN 201811120273A CN 109337030 A CN109337030 A CN 109337030A
- Authority
- CN
- China
- Prior art keywords
- parts
- sinking
- polyurethane filler
- expandable polyurethane
- tdi
- 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
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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
- C08G18/4825—Polyethers containing two hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C08G18/4829—Polyethers containing at least three hydroxy groups
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
Abstract
The present invention provides the formulas that a kind of hydrophily preferably sinks to the bottom expandable polyurethane filler, according to parts by weight include: 60-90 parts of Hydrophilicrto polyether polyalcohol, 10-40 parts of common polyether polyol, 30-50 parts of toluene di-isocyanate(TDI), 2-5 parts of water, 0.1-0.4 parts of amine catalyst, 0.1-0.3 parts of tin catalyst, 5-10 parts of hydrophilic agent, 0.6-1.5 parts of surfactant.Preparation method, comprising: control the temperature of toluene di-isocyanate(TDI) and polyether polyol at 18-23 DEG C；Polyether polyol, amine catalyst, tin catalyst, hydrophilic agent and surfactant are stirred 6-10 seconds with 1500-2000r/min, add toluene di-isocyanate(TDI), is stirred 2-5 seconds, reaction mixture is formed, pours into moulding box, natural foaming；After foaming is completed, cooling curing one day at 20-25 DEG C of natural temperature, then explosion aperture.Polyurethane filler voidage produced by the present invention is greater than 98%, hole count 10PPI, and has stronger hydrophily, can sink to the bottom completely, is effectively handled water-bed pollutant.
Description
Technical field
The invention belongs to the technical field of filler, it is more particularly to a kind of formula for sinking to the bottom expandable polyurethane filler and its system
Preparation Method.
Background technique
Filtering sponge is also referred to as mesh sponge, explosion sponge.Polyurethane filter sponge is handled by the soft bubble of common aperture through networking
It is process, networking has handled out original facial mask or wall film between foam network, has obtained main body framework reticular structure.
The voidage of filtering sponge is up to 97%, has excellent gas permeability, good flexibility and higher mechanical strength.Filter screen
Sponge to flow through filtering sponge fluid have powerful adsorption filtration ability and detergent power, can be applied to various motorcycles,
Car filters net, filter plant, aquarium, anti-poison respirator, air conditioner, highly breathable seat cushion, mattress, active carbon filtration substrate,
Fill out the industries such as ceramic filter substrate.But existing filter cotton cannot be sunk to the bottom completely, and the portion of sponge to float on the surface just can not benefit
With, meanwhile, the pollutant under the bottom can not be effectively treated.
Summary of the invention
The object of the present invention is to provide formula and its preparation sides that a kind of hydrophily preferably sinks to the bottom expandable polyurethane filler
Method.
According to an aspect of the invention, there is provided a kind of hydrophily preferably sinks to the bottom the formula of expandable polyurethane filler,
It according to parts by weight include: 60-90 parts of Hydrophilicrto polyether polyalcohol, 10-40 parts of common polyether polyol, 30-50
Part toluene di-isocyanate(TDI), 2-5 parts of water, 0.1-0.4 parts of amine catalyst, 0.1-0.3 parts of tin catalyst, 5-10 parts
Hydrophilic agent, 0.6-1.5 parts of surfactant.
In some embodiments, include: according to parts by weight 70 parts Hydrophilicrto polyether polyalcohol, 30 parts common
Polyether polyol, 35 parts of toluene di-isocyanate(TDI), 2.5 parts of water, 0.3 part of amine catalyst, 0.2 part of tin catalyst, 9 parts
Polyether-modified dimethyl siloxane and 1 part of surfactant.
In some embodiments, the polyether polyol is two degrees of functionality, the polypropylene oxide of 400-4000 molecular weight
The bright alkene ethoxylated polyhydric alcohol of the polyoxygenated of polyalcohol or three-functionality-degree, 3000-12000 molecular weight.
In some embodiments, the amine catalyst is Sanya ethylene diamine.
In some embodiments, the tin catalyst is stannous octoate or dibutyl tin dilaurate.
In some embodiments, the hydrophilic agent is polyether-modified dimethyl siloxane.
In some embodiments, the surfactant is silicone oil.
According to another aspect of the present invention, a kind of preparation method for sinking to the bottom expandable polyurethane filler is provided, comprising:
The temperature of toluene di-isocyanate(TDI), the pure and mild Hydrophilicrto polyether polyalcohol of common polyether polyols is controlled in 18-23
℃；
Polyether polyol, amine catalyst, tin catalyst, hydrophilic agent and surfactant are stirred with 1500-2000r/min
Mixing 6-10 seconds adds toluene di-isocyanate(TDI), stirs 2-5 seconds, forms reaction mixture, pours into moulding box, natural foaming；
After foaming is completed, cooling curing one day at 20-25 DEG C of natural temperature, then explosion aperture.
It has the advantage that: polyurethane filler voidage produced by the present invention is greater than 98%, hole count 10PPI, and have
Stronger hydrophily can be sunk to the bottom completely, effectively be handled water-bed pollutant.
Specific embodiment
The invention will be further described combined with specific embodiments below.
Embodiment one
Be used to prepare sink to the bottom expandable polyurethane filler formula number meter include: 70 parts Hydrophilicrto polyether it is polynary
Alcohol, 30 parts of common polyether polyol, 35 parts of toluene di-isocyanate(TDI), 2.5 parts of water, 0.3 part of amine catalyst, 0.2
The tin catalyst, 9 parts of polyether-modified dimethyl siloxane and 1 part of silicone oil of part.
Sink to the bottom expandable polyurethane filler the preparation method comprises the following steps: by toluene di-isocyanate(TDI) and polyether polyol temperature control in 18-
Between 23 DEG C.By two degrees of functionality, molecular weight is polypropylene oxide ethoxylated polyhydric alcohol, water, the Sanya ethylene diamine, octanoic acid of 400-4000
6~10s is mixed in stannous, polyether-modified dimethyl siloxane and silicone oil under the conditions of 2000r/min, is stirring evenly and then adding into
Toluene diformazan cyanate continues stirring 2-5 seconds, pours into moulding box, natural foaming.
After foaming is completed, cooling curing one day at 25 DEG C of natural temperature, then explosion aperture.
The expandable polyurethane filler voidage obtained that sinks to the bottom has stronger hydrophilic greater than 98%, hole count 110PPI
Property, it can sink to the bottom completely, water-bed pollutant is effectively handled.
Embodiment two
Be used to prepare sink to the bottom expandable polyurethane filler formula number meter include: 90 parts Hydrophilicrto polyether it is polynary
Alcohol, 10 parts of common polyether polyol, 50 parts of toluene di-isocyanate(TDI), 5 parts of water, 0.1 part of amine catalyst, 0.3 part
Tin catalyst, 5-10 parts of polyether-modified dimethyl siloxane, 0.6-1.5 parts of silicone oil.
Sink to the bottom expandable polyurethane filler the preparation method comprises the following steps: by toluene di-isocyanate(TDI) and polyether polyol temperature control in 18-
Between 23 DEG C.By the bright alkene ethoxylated polyhydric alcohol of the polyoxygenated of three-functionality-degree, 3000-12000 molecular weight, water, Sanya ethylene diamine, February
10s is mixed under the conditions of 1500r/min in dilaurylate, polyether-modified dimethyl siloxane and silicone oil, stirs evenly
Toluene diformazan cyanate is added afterwards, continues stirring 2 seconds, pours into moulding box, natural foaming.
After foaming is completed, cooling curing one day at 20 DEG C of natural temperature, then explosion aperture.
The expandable polyurethane filler voidage obtained that sinks to the bottom has stronger hydrophilic greater than 97%, hole count 110PPI
Property, it can sink to the bottom completely, water-bed pollutant is effectively handled.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, it is not taking off
Under the premise of from concept of the invention, various modifications and improvements can be made.
Claims (8)
1. a kind of formula for sinking to the bottom expandable polyurethane filler, which is characterized in that according to parts by weight include: 60-90 parts hydrophilic
Property polyether polyol, 10-40 parts of common polyether polyol, 30-50 parts of toluene di-isocyanate(TDI), 2-5 parts of water, 0.1-
0.4 part of amine catalyst, 0.1-0.3 parts of tin catalyst, 5-10 parts of hydrophilic agent, 0.6-1.5 parts of surfactant.
2. the formula according to claim 1 for sinking to the bottom expandable polyurethane filler, which is characterized in that wrap according to parts by weight
It includes: 70 parts of Hydrophilicrto polyether polyalcohol, 30 parts of common polyether polyol, 35 parts of toluene di-isocyanate(TDI), 2.5 parts
Water, 0.3 part of amine catalyst, 0.2 part of tin catalyst, 9 parts of hydrophilic agent and 1 part of surfactant.
3. the formula according to claim 1 for sinking to the bottom expandable polyurethane filler, which is characterized in that the polyether polyol is
The polyoxygenated of two degrees of functionality, the polyoxypropylene polyol of 400-4000 molecular weight or three-functionality-degree, 3000-12000 molecular weight
Bright alkene ethoxylated polyhydric alcohol.
4. the formula according to claim 1 for sinking to the bottom expandable polyurethane filler, which is characterized in that the amine catalyst is three
Sub- ethylene diamine.
5. the formula according to claim 1 for sinking to the bottom expandable polyurethane filler, which is characterized in that the tin catalyst is pungent
Sour stannous or dibutyl tin dilaurate.
6. the formula according to claim 1 for sinking to the bottom expandable polyurethane filler, which is characterized in that the hydrophilic agent is polyethers
Modified dimethyl siloxane.
7. the formula according to claim 1 for sinking to the bottom expandable polyurethane filler, which is characterized in that the surfactant is
Silicone oil.
8. a kind of such as the described in any item preparation methods for sinking to the bottom expandable polyurethane filler of claim 1-7, which is characterized in that packet
It includes:
The temperature of toluene di-isocyanate(TDI), the pure and mild Hydrophilicrto polyether polyalcohol of common polyether polyols is controlled at 18-23 DEG C；
Polyether polyol, amine catalyst, tin catalyst, hydrophilic agent and surfactant are stirred with 1500-2000r/min
6-10 seconds, toluene di-isocyanate(TDI) is added, is stirred 2-5 seconds, reaction mixture is formed, pours into moulding box, natural foaming；
After foaming is completed, cooling curing one day at 20-25 DEG C of natural temperature, then explosion aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811120273.4A CN109337030A (en) | 2018-09-26 | 2018-09-26 | A kind of formula and preparation method thereof sinking to the bottom expandable polyurethane filler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811120273.4A CN109337030A (en) | 2018-09-26 | 2018-09-26 | A kind of formula and preparation method thereof sinking to the bottom expandable polyurethane filler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109337030A true CN109337030A (en) | 2019-02-15 |
Family
ID=65306853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811120273.4A Pending CN109337030A (en) | 2018-09-26 | 2018-09-26 | A kind of formula and preparation method thereof sinking to the bottom expandable polyurethane filler |
Country Status (1)
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|---|---|
| CN (1) | CN109337030A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110527055A (en) * | 2019-09-27 | 2019-12-03 | 赛诺（浙江）聚氨酯新材料有限公司 | A kind of polyurethane sponge stirs foaming preparation method and device twice |
| CN112250820A (en) * | 2020-10-21 | 2021-01-22 | 盐城市恒丰海绵有限公司 | Sinking-bottom expanded polyurethane with high tearing property and preparation method thereof |
| CN113773469A (en) * | 2021-09-03 | 2021-12-10 | 北京城市排水集团有限责任公司 | Composite polyurethane filler, preparation method and application |
| CN114380978A (en) * | 2022-01-18 | 2022-04-22 | 中国工程物理研究院化工材料研究所 | Ultra-meshed polyurethane foam filler and preparation method thereof |
| CN115500651A (en) * | 2022-10-22 | 2022-12-23 | 广东省福公子睡眠科技有限公司 | 6D mattress and preparation process thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110527055A (en) * | 2019-09-27 | 2019-12-03 | 赛诺（浙江）聚氨酯新材料有限公司 | A kind of polyurethane sponge stirs foaming preparation method and device twice |
| CN112250820A (en) * | 2020-10-21 | 2021-01-22 | 盐城市恒丰海绵有限公司 | Sinking-bottom expanded polyurethane with high tearing property and preparation method thereof |
| CN113773469A (en) * | 2021-09-03 | 2021-12-10 | 北京城市排水集团有限责任公司 | Composite polyurethane filler, preparation method and application |
| CN114380978A (en) * | 2022-01-18 | 2022-04-22 | 中国工程物理研究院化工材料研究所 | Ultra-meshed polyurethane foam filler and preparation method thereof |
| CN115500651A (en) * | 2022-10-22 | 2022-12-23 | 广东省福公子睡眠科技有限公司 | 6D mattress and preparation process thereof |
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| PB01 | Publication | ||
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Application publication date: 20190215 |