CN110615983A - Polyurethane sponge containing activated carbon material and preparation method thereof - Google Patents
Polyurethane sponge containing activated carbon material and preparation method thereof Download PDFInfo
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- CN110615983A CN110615983A CN201910840855.8A CN201910840855A CN110615983A CN 110615983 A CN110615983 A CN 110615983A CN 201910840855 A CN201910840855 A CN 201910840855A CN 110615983 A CN110615983 A CN 110615983A
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- activated carbon
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- polyether
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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
- C08G18/4804—Two or more polyethers of different physical or chemical nature
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
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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
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
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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)
- Polyurethanes Or Polyureas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a polyurethane sponge containing an activated carbon material, which is characterized by being prepared from a component A and a component B, wherein the component A comprises the following raw materials in parts by weight: 90-110 parts of polyether, 25.30-25.45 parts of toluene diisocyanate, 1.50-1.65 parts of water, 0.1-0.3 part of tin catalyst, 0.10-0.30 part of amine catalyst, 1.4-1.6 parts of silicone oil and 0.80-1.10 parts of cross-linking agent; the component B comprises the following raw materials in parts by weight: 2-4 parts of an activated carbon material. Compared with common polyurethane sponge, the resilience rate of the polyurethane sponge containing the activated carbon material can be improved by more than 50%, the comfort is improved by more than 80%, and the air purification efficiency reaches more than 95%.
Description
Technical Field
The invention relates to the technical field of polyurethane materials, in particular to polyurethane sponge containing an activated carbon material and a preparation method thereof.
Background
Polyether polyol used by the high-resilience sponge is generally capped by EO, the polyether activity is high, the diameter and the size of a produced sponge network are mixed and distributed, the thickness of a skeleton is different, and rebound force with different supporting forces can be generated in different deformation states when the sponge is pressed. The polyurethane foam has a plurality of closed bubbles and holes, the holes are communicated with the outside, the ratio of the volume of the holes communicated with the outside to the total volume is the opening rate, and the existing high-resilience sponge has the defects of low opening rate, uneven network, special taste of the sponge and the like.
Disclosure of Invention
The invention aims to provide a polyurethane sponge containing an activated carbon material, which overcomes the defects of low opening rate, non-uniform network, special sponge taste and the like of the common products in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: a polyurethane sponge containing an activated carbon material is prepared from a component A and a component B, wherein,
the component A comprises the following raw materials in parts by weight: 90-110 parts of polyether, 25.30-25.45 parts of toluene diisocynate, 1.50-1.65 parts of water, 0.1-0.3 part of tin catalyst, 0.10-0.30 part of amine catalyst, 1.4-1.6 parts of silicone oil and 0.80-1.10 parts of cross-linking agent;
the component B comprises the following raw materials in parts by weight: 2-4 parts of an activated carbon material.
It is preferable that: the component A is prepared from the following raw materials in parts by weight: 100 parts of polyether, 25.39 parts of toluene diisocyanate, 1.58 parts of water, 0.2 part of tin catalyst, 0.22 part of amine catalyst, 1.5 parts of silicone oil and 0.96 part of cross-linking agent; the component B is prepared from the following raw materials in parts by weight: 3 parts of activated carbon material.
In the technical scheme, the activated carbon material is prepared from the following raw materials in percentage by weight: 48.2% of polyether, 32% of activated carbon, 16.8% of auxiliary black material and 3.0% of catalyst.
The further technical proposal is that the active carbon material is granular, and the grain diameter is 900-1100 meshes.
In the technical scheme, the polyether in the component B comprises the following raw materials in parts by weight: 58 parts of high-elasticity polyether and 42 parts of grafted polyether.
A preparation method of polyurethane sponge containing activated carbon material is characterized by comprising the following steps:
(1) preparation of the component B:
a. preparing a container with a stirring paddle, pouring polyether into the container, starting the stirring paddle, and setting the rotation number to be 800-1000 r/min;
b. adding activated carbon, an auxiliary black pigment and a catalyst into the mixing container according to a ratio, and increasing the stirring speed to set the rotating speed to 2000-2500 r/min;
c. the mixing and stirring time of the step a and the step b is at least 3 h;
d. circulating the uniformly mixed slurry through a circulating pump through a grinding machine at the flow rate of 8-12 kg per minute for two-three times, and controlling the fineness of grinding particles to be more than 1000 meshes;
f. randomly drawing 100ml of sample for each batch, and testing the viscosity of the sample to be less than 2000cps to obtain qualified product, namely component B;
(2) preparation of polyurethane sponge containing activated carbon material:
preparing the component B and the component A prepared in the step (1) into polyurethane sponge containing an active carbon material by using foaming equipment, wherein the component A comprises the following raw materials: 90-110 parts of polyether, 25.30-25.45 parts of toluene diisocynate, 1.50-1.65 parts of water, 0.1-0.3 part of tin catalyst, 0.10-0.30 part of amine catalyst, 1.4-1.6 parts of silicone oil and 0.80-1.10 parts of cross-linking agent.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the component B is added, so that the sponge cell membrane can be opened, and compared with the common polyurethane sponge, the polyurethane sponge containing the activated carbon material has better air fluidity, so that the air purification efficiency reaches over 95 percent, and meanwhile, because the network is stronger, the resilience rate of the polyurethane sponge containing the activated carbon material can be improved by over 50 percent; the comfort is improved by more than 80%.
Detailed Description
The invention is further described below with reference to the following examples:
the first embodiment is as follows: a polyurethane sponge containing an activated carbon material is prepared from a component A and a component B, wherein the component A is prepared from the following raw materials in parts by weight: 100 parts of polyether, 25.39 parts of toluene diisocyanate, 1.58 parts of water, 0.2 part of tin catalyst, 0.22 part of amine catalyst, 1.5 parts of silicone oil and 0.96 part of cross-linking agent; the component B is prepared from the following raw materials in parts by weight: 3 parts of an activated carbon material.
The activated carbon material is prepared from the following raw materials in percentage by weight: 48.2% of polyether, 32% of activated carbon, 16.8% of auxiliary black material and 3.0% of catalyst, wherein the activated carbon material is granular and has a particle size of 1000 meshes.
The component B comprises polyether and the following raw materials in parts by weight: 58 parts of high-elasticity polyether and 42 parts of grafted polyether.
The preparation method comprises the following steps:
(1) preparation of the component B:
a. preparing a container with a stirring paddle, pouring polyether into the container, starting the stirring paddle, and setting the rotation speed to be 1000 rpm;
b. adding activated carbon, auxiliary black pigment and catalyst into the mixing container according to a ratio, and increasing the rotating speed to set the rotating speed to 2000 r/min;
c. the mixing and stirring time of the step a and the step b is 3 hours;
d. the evenly mixed slurry passes through a grinding machine by a circulating pump at the flow rate of 10kg per minute, the circulation is carried out for two to three times, and the fineness of the grinding particles is controlled to be more than 1000 meshes;
d. randomly drawing 100ml of prepared sample with the viscosity of less than 2000cps every prepared batch to obtain qualified product, and preparing component B;
(2) preparation of polyurethane sponge containing activated carbon material:
and (2) preparing the raw materials of the component B and the component A prepared in the step (1) into polyurethane sponge containing the activated carbon material by using a sponge foaming machine.
The following is a table comparing the performance of the polyurethane sponge containing the activated carbon material and the common polyurethane sponge:
| 50 density active carbon high resilience | Ordinary 50 density high resilience | |
| Density (kg/M3) | 50 | 50 |
| Hardness (LB) | 24 | 24 |
| Air flow rate | 2.0 | 0.9 |
| Network aperture (mm) | 0.5 | 1.5 |
| Odor index (ppm) | 8.2 | 165 |
The experiments show that compared with common polyurethane sponge, the pore diameter of the polyurethane sponge containing the activated carbon material is reduced, the relative mesh wall is thicker, the rebound rate can be improved by more than 50%, the comfort is improved by more than 80%, and the air fluidity is better due to the addition of the activated carbon, so that the air purifying efficiency reaches more than 95%, and no peculiar smell is basically achieved.
Example two: a polyurethane sponge containing an activated carbon material is prepared from a component A and a component B, wherein the component A is prepared from the following raw materials in parts by weight: 110 parts of polyether, 25.45 parts of toluene diisocyanate, 1.65 parts of water, 0.3 part of tin catalyst, 0.30 part of amine catalyst, 1.6 parts of silicone oil and 1.05 parts of cross-linking agent; the component B is prepared from the following raw materials in parts by weight: 4 parts of an activated carbon material;
the activated carbon material is prepared from the following raw materials in percentage by weight: 48.2% of polyether, 32% of activated carbon, 16.8% of auxiliary black material and 3.0% of catalyst, wherein the activated carbon material is granular and has the particle size of 1000 meshes.
The component B comprises polyether and the following raw materials in parts by weight: 58 parts of high-elasticity polyether and 42 parts of grafted polyether.
The preparation method comprises the following steps:
(1) preparation of the component B:
a. preparing a container with a stirring paddle, pouring polyether into the container, starting the stirring paddle, and setting the rotation speed to be 800 rpm;
b. slowly adding the activated carbon, the auxiliary black pigment and the catalyst into the mixing container in sequence according to the proportion, then increasing the rotating speed, setting the rotating speed to be 2500r/min, and lasting for 3.5 h;
c. the evenly mixed slurry passes through a grinding machine by a circulating pump at the flow rate of 12 kg/min, and is circulated for three times, and the fineness of the grinding particles is controlled to be more than 1000 meshes;
d. randomly drawing 100ml of sample for each batch, wherein the viscosity needs to be 1500 cps-1850 cps, and the component B is prepared as a qualified product;
(2) preparation of polyurethane sponge containing activated carbon material:
and preparing the prepared component B and the component A into polyurethane sponge containing the activated carbon material by using a sponge foaming machine.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. A polyurethane sponge containing an activated carbon material is characterized by being prepared from a component A and a component B, wherein,
the component A comprises the following raw materials in parts by weight: 90-110 parts of polyether, 25.30-25.45 parts of toluene diisocyanate, 1.50-1.65 parts of water, 0.1-0.3 part of tin catalyst, 0.10-0.30 part of amine catalyst, 1.4-1.6 parts of silicone oil and 0.80-1.10 parts of cross-linking agent;
the component B comprises the following raw materials in parts by weight: 2-4 parts of an activated carbon material.
2. The activated carbon material-containing polyurethane sponge according to claim 1, wherein:
the component A is prepared from the following raw materials in parts by weight: 100 parts of polyether, 25.39 parts of toluene diisocyanate, 1.58 parts of water, 0.2 part of tin catalyst, 0.22 part of amine catalyst, 1.5 parts of silicone oil and 0.96 part of cross-linking agent;
the component B is prepared from the following raw materials in parts by weight: 3 parts of an activated carbon material.
3. The activated carbon material-containing polyurethane sponge according to claim 1, wherein: the activated carbon material is prepared from the following raw materials in percentage by weight: 48.2% of polyether, 32% of activated carbon, 16.8% of auxiliary black material and 3.0% of catalyst.
4. The activated carbon material-containing polyurethane sponge according to claim 1, wherein: the activated carbon material is granular, and the grain diameter of the activated carbon material is 900-1100 meshes.
5. The polyurethane sponge containing an activated carbon material as claimed in claim 3, wherein: the component B comprises polyether and the following raw materials in parts by weight: 58 parts of high-elasticity polyether and 42 parts of grafted polyether.
6. The preparation method of the polyurethane sponge containing the activated carbon material as claimed in any one of claims 1 to 5, which comprises the following steps:
(1) preparation of the component B:
a. preparing a container with a stirring paddle, pouring polyether into the container, starting the stirring paddle, and setting the revolution number to be 800-1000 r/min;
b. adding activated carbon, an auxiliary black pigment and a catalyst into the mixing container according to a ratio, and increasing the stirring speed to set the rotating speed to 2000-2500 r/min;
c. the mixing and stirring time of the step a and the step b is at least 3 h;
d. circulating the uniformly mixed slurry through a circulating pump through a grinding machine at the flow rate of 8-12 kg per minute for two-three times, and controlling the fineness of grinding particles to be more than 1000 meshes;
f. randomly drawing 100ml of sample for each batch, and testing the viscosity of the sample to be less than 2000cps to obtain qualified product, namely component B;
(2) preparation of the component A: the component A comprises the following raw materials in parts by weight: 90-110 parts of polyether, 25.30-25.45 parts of toluene diisocyanate, 1.50-1.65 parts of water, 0.1-0.3 part of tin catalyst, 0.10-0.30 part of amine catalyst, 1.4-1.6 parts of silicone oil and 0.80-1.10 parts of cross-linking agent;
(3) preparation of polyurethane sponge containing activated carbon material:
and (3) feeding the component B prepared in the step (1) and the component A prepared in the step (2) into a sponge foaming machine to obtain the polyurethane sponge containing the activated carbon material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910840855.8A CN110615983A (en) | 2019-09-06 | 2019-09-06 | Polyurethane sponge containing activated carbon material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910840855.8A CN110615983A (en) | 2019-09-06 | 2019-09-06 | Polyurethane sponge containing activated carbon material and preparation method thereof |
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| CN110615983A true CN110615983A (en) | 2019-12-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111533872A (en) * | 2020-06-11 | 2020-08-14 | 重庆金康赛力斯新能源汽车设计院有限公司 | Low-odor and low-VOC polyurethane foam material for automobile seats and preparation method thereof |
| CN113621226A (en) * | 2021-06-22 | 2021-11-09 | 莆田市超越泡棉有限公司 | Formula and preparation method of antibacterial sponge with good rebound effect |
| CN115368536A (en) * | 2022-08-31 | 2022-11-22 | 足力健老龄产业发展有限公司北京分公司 | Mint polyurethane foaming insole with cooling and itching relieving effects and preparation method and application thereof |
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| JPS6035016A (en) * | 1983-08-05 | 1985-02-22 | Mitui Toatsu Chem Inc | Polyurethane foam sheet having adsorptive property and its laminate |
| CN106832180A (en) * | 2017-02-24 | 2017-06-13 | 耿佃勇 | Polyurethane molecular screen grading breathing mask absorption sponge and preparation method thereof |
| CN107312156A (en) * | 2017-08-23 | 2017-11-03 | 北京家美科技有限公司 | The degerming polyurethane foam material of mite killing and its preparation technology |
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2019
- 2019-09-06 CN CN201910840855.8A patent/CN110615983A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6035016A (en) * | 1983-08-05 | 1985-02-22 | Mitui Toatsu Chem Inc | Polyurethane foam sheet having adsorptive property and its laminate |
| CN106832180A (en) * | 2017-02-24 | 2017-06-13 | 耿佃勇 | Polyurethane molecular screen grading breathing mask absorption sponge and preparation method thereof |
| CN107312156A (en) * | 2017-08-23 | 2017-11-03 | 北京家美科技有限公司 | The degerming polyurethane foam material of mite killing and its preparation technology |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111533872A (en) * | 2020-06-11 | 2020-08-14 | 重庆金康赛力斯新能源汽车设计院有限公司 | Low-odor and low-VOC polyurethane foam material for automobile seats and preparation method thereof |
| CN113621226A (en) * | 2021-06-22 | 2021-11-09 | 莆田市超越泡棉有限公司 | Formula and preparation method of antibacterial sponge with good rebound effect |
| CN115368536A (en) * | 2022-08-31 | 2022-11-22 | 足力健老龄产业发展有限公司北京分公司 | Mint polyurethane foaming insole with cooling and itching relieving effects and preparation method and application thereof |
| WO2024045650A1 (en) * | 2022-08-31 | 2024-03-07 | 足力健老龄产业发展有限公司北京分公司 | Mint polyurethane foam insole having cooling and antipruritic effects, manufacturing method therefor, and use thereof |
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Application publication date: 20191227 |