阅读说明：本技术 一种生态多孔纤维棉及其制备工艺 (Ecological porous cellucotton and preparation process thereof ) 是由 仇志铭 孙建 闫富印 杨涛涛 曹健 杜庆 于 2021-10-29 设计创作，主要内容包括：本申请涉及纤维棉生态技术领域,具体公开了一种生态多孔纤维棉及其制备工艺。本申请的生态多孔纤维棉,主要由如下原料制成：岩棉纤维、粘结剂、亲水剂、硅烷偶联剂、催化剂；本申请的生态多孔纤维棉的制备工艺,包括如下步骤：(1)亲水胶制备：将粘结剂、亲水剂、硅烷偶联剂、催化剂混合均匀；(2)喷胶：将步骤(1)中得到的亲水胶喷至岩棉纤维上；(3)集棉、布棉、打褶、固化成型。本申请的生态多孔纤维棉吸水性能较佳。(The application relates to the technical field of fiber cotton ecology, and particularly discloses ecological porous fiber cotton and a preparation process thereof. The application discloses ecological porous cellucotton mainly is made by following raw materials: rock wool fiber, a binder, a hydrophilic agent, a silane coupling agent and a catalyst; the preparation process of the ecological porous cellucotton comprises the following steps: (1) preparing hydrophilic gel: uniformly mixing a binder, a hydrophilic agent, a silane coupling agent and a catalyst; (2) spraying glue: spraying the hydrophilic glue obtained in the step (1) onto rock wool fibers; (3) collecting cotton, distributing cotton, pleating, and solidifying. The ecological porous cellucotton of this application water absorption performance preferred.)

1. The ecological porous cellucotton is characterized by being mainly prepared from the following raw materials in parts by weight: 1000 parts of rock wool fiber, 20-120 parts of binder, 10-30 parts of hydrophilic agent, 0.1-2 parts of silane coupling agent and 2-3 parts of catalyst.

2. The ecological porous cellucotton according to claim 1, characterized in that: the ecological porous cellucotton is mainly prepared from the following raw materials in parts by weight: 1000 parts of rock wool fiber, 50-100 parts of binder, 15-25 parts of hydrophilic agent, 1-1.5 parts of silane coupling agent and 2.2-2.8 parts of catalyst.

3. The ecological porous cellucotton according to claim 2, characterized in that: the raw materials are also added with 20-25 parts by weight of an enhancer, the enhancer is composed of at least two of ammonium persulfate, polyethylene glycol dimethacrylate and a biopolymer, and the biopolymer is composed of glucose, rhamnose, fucose and glucuronic acid according to the mass ratio of (2-4) to (3-5) to (3-4) to (4-5).

4. The ecological porous cellucotton according to claim 3, characterized in that: the reinforcing agent consists of ammonium persulfate, polyethylene glycol dimethacrylate and a biopolymer according to the mass ratio of (5-8) to (3-6) to (6-7).

5. The ecological porous cellucotton according to claim 2, characterized in that: the hydrophilic agent is composed of at least two of fatty alcohol polyoxyethylene ether carboxylate, sodium polydithio-dipropyl sulfonate and sodium nonylphenol polyoxyethylene ether sulfonate.

6. The ecological porous cellucotton according to claim 5, characterized in that: the hydrophilic agent consists of fatty alcohol polyoxyethylene ether carboxylate, sodium polydithio-dipropyl sulfonate and sodium nonylphenol polyoxyethylene ether sulfonate according to the mass ratio of (2-3) to (3-5) to (4-6).

7. The ecological porous cellucotton according to claim 2, characterized in that: the silane coupling agent is composed of at least two of 3-aminopropyltriethoxysilane, isocyanatopropyltriethoxysilane and N- (2-aminoethyl) -3-aminoisobutyldimethylmethoxysilane.

8. The ecological porous cellucotton according to claim 7, characterized in that: the silane coupling agent consists of 3-aminopropyltriethoxysilane, isocyanatopropyltriethoxysilane and N- (2-aminoethyl) -3-aminoisobutyldimethylmethoxysilane in the mass ratio of (1-3) to (3-5) to (2-4).

9. A process for the preparation of ecological porous cellucotton according to any one of claims 1 to 8, characterized in that: the method comprises the following steps:

(1) preparing hydrophilic gel: uniformly mixing the binder, the hydrophilic agent, the silane coupling agent and the catalyst, and adding the reinforcing agent in the current step if the reinforcing agent is required to be added;

(2) spraying glue: spraying the hydrophilic glue obtained in the step (1) onto rock wool fibers;

(3) collecting cotton, distributing cotton, pleating, and solidifying.

Technical Field

The application relates to the technical field of fiber cotton ecology, in particular to ecological porous fiber cotton and a preparation process thereof.

Background

The soil has poor water collecting and releasing functionality and limited water content adjusting effect, the utilization of rainwater and the effective adjustment of the water content of the soil are seriously influenced, and urban waterlogging during rainfall and urban soil water shortage during non-rainfall are very easy to cause. The porous fiber cotton product can absorb rainwater, continuously permeate, store, buffer and discharge the rainwater, and is beneficial to on-site consumption of the rainwater and restoration of urban natural ecology by supplementing surface water.

The ecological porous fiber cotton product is prepared by using basalt, natural ore and the like as main raw materials, melting the basalt and the natural ore at high temperature to form fibers, adding a proper amount of additives and the like, and curing the fibers, is widely applied to various planting, greening fields, mine restoration and sponge cities, is convenient to construct and install, has high cost performance, and is a novel planting material.

The existing ecological porous fiber cotton product has poor water permeability, low water absorption and low utilization rate of rainwater during rainfall.

Disclosure of Invention

In order to improve the water absorption of the ecological porous cellucotton, the application provides the ecological porous cellucotton and a preparation process thereof.

In a first aspect, the present application provides an ecological porous cellucotton, which adopts the following technical scheme:

an ecological porous cellucotton is mainly prepared from the following raw materials in parts by weight: 1000 parts of rock wool fiber, 20-120 parts of binder, 10-30 parts of hydrophilic agent, 0.1-2 parts of silane coupling agent and 2-3 parts of catalyst.

Through adopting above-mentioned technical scheme, catalyst and binder effect, and then improve the binder to the fibrous adhesive action of rock wool, the addition of silane coupling agent has increased binder, hydrophilic agent, the fibrous compatibility of rock wool, hydrophilic group is more in the hydrophilic agent, with binder effect back, can improve the hydrophilicity of porous fiber cotton, hydrophilic agent can react with the binder simultaneously to reduce the hydrophilic agent and appear along with the condition of the flow and the loss of water in porous fiber cotton, thereby can further improve the hydroscopicity of ecological porous fiber cotton.

Preferably, the ecological porous cellucotton is mainly prepared from the following raw materials in parts by weight: 1000 parts of rock wool fiber, 50-100 parts of binder, 15-25 parts of hydrophilic agent, 1-1.5 parts of silane coupling agent and 2.2-2.8 parts of catalyst.

By adopting the technical scheme, the proportion of each component of the ecological porous cellucotton is further optimized, so that the proportion collocation of the components is more reasonable, the synergistic effect among the binder, the hydrophilic agent, the silane coupling agent and the catalyst is fully exerted, and the strength and the water absorption of the ecological porous cellucotton are further improved.

Preferably, 20-25 parts by weight of reinforcing agent is also added into the raw materials, the reinforcing agent is composed of at least two of ammonium persulfate, polyethylene glycol dimethacrylate and biopolymer, and the biopolymer is composed of glucose, rhamnose, fucose and glucuronic acid according to the mass ratio of (2-4): (3-5): (3-4): (4-5).

By adopting the technical scheme, the ammonium persulfate is used as an initiator, so that the effect of the hydrophilic agent and the binder can be enhanced, the reaction of the hydrophilic agent and the binder is more sufficient, the biopolymer consists of four saccharides of glucose, rhamnose, fucose and glucuronic acid, the water absorption is better, the water absorption of the porous cellucotton can be further increased, and meanwhile, the polyethylene glycol dimethacrylate can be used for crosslinking the network structure of the porous cellucotton, so that the water absorption of the porous cellucotton is further enhanced.

Preferably, the reinforcing agent consists of ammonium persulfate, polyethylene glycol dimethacrylate and biopolymer according to the mass ratio of (5-8) to (3-6) to (6-7).

By adopting the technical scheme, the proportion of each component of the reinforcing agent is further optimized, so that the effect of the reinforcing agent on the binder and the hydrophilic agent is further improved, the water absorption of the ecological porous cellucotton is further improved, the addition amount of the biopolymer is greater than that of ammonium persulfate and polyethylene glycol dimethacrylate, and the water absorption capacity of the ecological porous cellucotton can be greatly improved and is relatively stable because the biopolymer is composed of four saccharides of glucose, rhamnose, fucose and glucuronic acid.

Preferably, the hydrophilic agent is composed of at least two of fatty alcohol polyoxyethylene ether carboxylate, sodium polydithio-dipropyl sulfonate and sodium nonylphenol polyoxyethylene ether sulfonate.

By adopting the technical scheme, hydrophilic groups in the fatty alcohol-polyoxyethylene ether carboxylate are more, the hydrophilicity of the ecological porous cellucotton can be increased, the water absorption rate of the ecological porous cellucotton is improved, meanwhile, the carboxylic group can react with the binder and is remained in the ecological porous cellucotton, the water absorption of the ecological porous cellucotton is more stable, the combination effect of the sodium polydithio-dipropyl sulfonate and the fatty alcohol-polyoxyethylene ether carboxylate is better, the sodium nonylphenol polyoxyethylene ether sulfonate contains two hydrophilic groups of sulfonic group and polyoxyalkene group simultaneously, the wettability is realized, the water absorption and the wettability of the porous cellucotton can be enhanced, and meanwhile, the sulfonic group can react with the binder and the retention rate of the sodium nonylphenol polyoxyethylene ether sulfonate in the porous cellucotton is improved.

Preferably, the hydrophilic agent consists of fatty alcohol polyoxyethylene ether carboxylate, sodium polydithio-dipropyl sulfonate and sodium nonylphenol polyoxyethylene ether sulfonate according to the mass ratio of (2-3) to (3-5) to (4-6).

By adopting the technical scheme, the proportion of each component of the hydrophilic agent is further optimized, so that the effect of the hydrophilic agent on the binder is further enhanced, excellent hydrophilicity and lasting water retention property are simultaneously given to the ecological porous cellucotton, the hydrophilic group in the hydrophilic agent is easy to react with the hydroxyl group in the binder, so that the hydrophilic agent can stably exist in the ecological porous cellucotton, wherein the adding amount of the sodium nonylphenol polyoxyethylene ether sulfonate is greater than that of the carboxylate of fatty alcohol polyoxyethylene ether and the sodium polydithio dipropyl sulfonate, the hydrophilic group in the sodium nonylphenol polyoxyethylene ether sulfonate is more, and the sulfonic group can react with the hydroxyl group in the binder, so that more hydrophilic groups can be remained in the ecological porous cellucotton on the premise of improving the hydrophilicity of the ecological porous cellucotton.

Preferably, the silane coupling agent is composed of at least two of 3-aminopropyltriethoxysilane, isocyanatopropyltriethoxysilane, and N- (2-aminoethyl) -3-aminoisobutyldimethylmethoxysilane.

By adopting the technical scheme, the silane coupling agent is obtained by compounding at least two substances, so that the compatibility of the hydrophilic agent and the binder can be enhanced, and meanwhile, the silane coupling agent contains more hydrophilic groups, so that the hydrophilicity of the ecological porous cellucotton can be further increased, and the water absorption of the ecological porous cellucotton is improved.

Preferably, the silane coupling agent consists of 3-aminopropyltriethoxysilane, isocyanatopropyltriethoxysilane and N- (2-aminoethyl) -3-aminoisobutyldimethylmethoxysilane in a mass ratio of (1-3) to (3-5) to (2-4).

By adopting the technical scheme, the proportion of each component of the silane coupling agent is further optimized, so that the effect of the silane coupling agent on the binder and the hydrophilic agent is further enhanced, the compatibility of the binder, the hydrophilic agent and the cellucotton is improved, and the water absorption and the strength of the ecological porous cellucotton are further improved.

In a second aspect, the application provides a preparation process of ecological porous cellucotton, which adopts the following technical scheme:

a preparation process of ecological porous cellucotton comprises the following steps:

(1) preparing hydrophilic gel: uniformly mixing the binder, the hydrophilic agent, the silane coupling agent and the catalyst, and adding the reinforcing agent in the current step if the reinforcing agent is required to be added;

(2) spraying glue: spraying the hydrophilic glue obtained in the step (1) onto rock wool fibers;

(3) collecting cotton, distributing cotton, pleating, and solidifying.

Through adopting above-mentioned technical scheme, spout the hydrophilic adhesive to the rock wool fibre on, the hydrophilic agent has more hydrophilic group and can with the binder effect in the hydrophilic adhesive to stay in the cellucotton, thereby make the hydrophilicity of porous cellucotton more stable, simultaneously, binder and catalyst effect can strengthen the adhesive effect of binder, thereby further stabilize the hydrophilicity of porous cellucotton, improve the water absorption rate of porous cellucotton.

In summary, the present application has the following beneficial effects:

1. the utility model provides an among the ecological porous cellucotton through adding hydrophilic agent, binder, catalyst, silane coupling agent in the cellucotton, through hydrophilic agent, binder, catalyst, silane coupling agent's synergism to improve ecological porous cellucotton's hydroscopicity and intensity, the catalyst is handled the binder, thereby further strengthen the cohesiveness of binder, silane coupling agent strengthens hydrophilic agent, binder and porous cellucotton's compatibility simultaneously, and then improves ecological porous cellucotton's water absorption effect.

2. The ecological porous cellucotton of this application is through the addition of reinforcing agent to can further strengthen the effect between hydrophilic agent, the binder, and then strengthen ecological porous cellucotton's hydroscopicity.

Detailed Description

The present application will be described in further detail with reference to examples.

The rock wool fiber in the ecological porous fiber cotton is mainly prepared from the following raw materials in parts by weight: 50-70 parts of basalt, 4-15 parts of dolomite, 20-40 parts of slag powder and 10-20 parts of fiber cotton waste residue.

Optionally, the binder is phenolic resin, and further preferably, the binder is alcohol-soluble phenolic resin, and the manufacturer is zheng zhou houngtong chemical limited company.

The catalyst in the ecological porous cellucotton is at least two of N, N' -dimethylaniline, polyvinyl alcohol and diethanol monoisopropanolamine, more preferably the catalyst consists of the N, N-dimethylaniline, the polyvinyl alcohol and the diethanol monoisopropanolamine in a mass ratio of (1-2) to (2-4) to (1-4), and more preferably the catalyst consists of the N, N-dimethylaniline, the polyvinyl alcohol and the diethanol monoisopropanolamine in a mass ratio of 2:4: 4.

The preparation process of the ecological porous cellucotton comprises the following steps:

(1) mixing raw materials: selecting basalt, dolomite, slag powder and fiber cotton waste residue according to a formula, and putting the basalt, the dolomite, the slag powder and the fiber cotton waste residue into a grinder for grinding to prepare mixed powder;

(2) melting and forming fibers: putting the mixed powder obtained in the step (1) into a blast furnace, heating to 1450-;

(3) preparing hydrophilic gel: selecting a binder, a hydrophilic agent, a silane coupling agent and a catalyst according to a formula, mixing and stirring uniformly to prepare hydrophilic glue, and adding a reinforcing agent in the current step if the reinforcing agent is required;

(4) spraying glue: spraying the hydrophilic glue prepared in the step (3) onto the rock wool fibers prepared in the step (2) along with centrifugal blowing;

(5) collecting cotton, distributing cotton, pleating, and solidifying.

Optionally, the basalt has a particle size of 5-35 mm.

Optionally, the dolomite has a particle size of 5-35 mm.

Optionally, the particle size of the slag powder is 10-40 mm.

Alternatively, ammonium persulfate has a CAS number of 7727-54-0 and a relative density of 1.982.

Optionally, the polyethylene glycol dimethacrylate CAS number is 25852-47-5, the specific gravity is 1.07-1.09, and the viscosity is 10-20 cps.

Alternatively, glucose has a CAS number of 954-36-6 and a content of 98%.

Optionally, rhamnose has CAS number of 10030-85-0, content of 99%, and mesh number of 80.

Optionally, the CAS number of fucose is 54261-98-2, and the content of effective substances is 98.5%.

Optionally, the content of glucuronic acid is more than or equal to 99%, and the CAS number is 90-80-2.

Optionally, the sodium polydithio-dipropyl sulfonate content is 98% and CAS number is 27206-35-5.

Alternatively, 3-aminopropyltriethoxysilane has a purity of 99% and a CAS number of 919-30-2.

Alternatively, the isopropyltriethoxysilane isocyanate has a purity of 95% and a CAS number of 24801-88-5.

Alternatively, N- (2-aminoethyl) -3-aminoisobutyldimethylmethoxysilane has a CAS number of 31024-49-4.

Alternatively, N, N-dimethylaniline has a CAS number of 121-69-7.

Optionally, the content of polyvinyl alcohol is 99%, the CAS number is 9002-89-5, and the weight average molecular weight is 1750 +/-50.

Optionally, diethanol monoisopropanolamine, also known as 1- [ bis (2-hydroxyethyl) amino ] -2-propanol, has a CAS number of 6712-98-7 and a content of 85%.

Optionally, the fatty alcohol-polyoxyethylene ether carboxylate is sodium fatty alcohol-polyoxyethylene ether carboxylate with a chemical formula of RO (CH)₂CH₂O)₁₀CH₂COONa (R ═ C12 to C14) with a solid content of 28.7%.

Optionally, the ratio of each component in the cellucotton waste residue is as follows: SiO 2₂ 38.243％、Al₂O₃ 11.482％、MgO5.933％、CaO 5.483％。

TABLE 1 raw material type and manufacturer

Examples

Example 1

The ecological porous cellucotton is prepared from the following raw materials in parts by weight: 1000kg of rock wool fiber, 20kg of binder, 10kg of hydrophilic agent, 0.1kg of silane coupling agent and 2kg of catalyst, wherein the rock wool fiber is prepared from the following raw materials in parts by weight: 50kg of basalt, 4kg of dolomite, 20kg of slag powder, 10kg of fiber cotton waste residue, alcohol-soluble phenolic resin as a binder, sodium nonylphenol polyoxyethylene ether sulfonate as a hydrophilic agent, 3-aminopropyltriethoxysilane as a silane coupling agent, and N, N-dimethylaniline and polyvinyl alcohol in a mass ratio of 2:3 as a catalyst.

The preparation process of the ecological porous cellucotton comprises the following steps:

(1) mixing raw materials: selecting basalt, dolomite, slag powder and fiber cotton waste residue according to a formula, and putting the basalt, the dolomite, the slag powder and the fiber cotton waste residue into a grinder for grinding to prepare mixed powder;

(2) melting and forming fibers: putting the mixed powder obtained in the step (1) into a blast furnace, heating to 1500 ℃ to melt the powder into molten slurry, cooling the molten slurry, and spinning at high speed by a four-roller centrifuge to form rock wool fibers;

(3) preparing hydrophilic gel: selecting a binder, a hydrophilic agent, a silane coupling agent and a catalyst according to a formula, and uniformly mixing and stirring to obtain hydrophilic glue;

(4) spraying glue: spraying the hydrophilic glue prepared in the step (3) onto the rock wool fibers prepared in the step (2) along with centrifugal blowing;

(5) collecting cotton, distributing cotton, pleating, and solidifying.

Examples 2 to 5

Examples 2 to 5 distribution provided ecological porous cellucotton with different raw material component ratios, and the raw material component ratio of the ecological porous cellucotton corresponding to each example is shown in table 2, and the unit of the raw material ratio is kg.

Table 2 examples 1-5 ecological cellular cellucotton component ratios

Raw materials	Example 1	Example 2	Example 3	Example 4	Example 5
						Porous cellucotton	1000	1000	1000	1000	1000
Basalt rock	50	60	63	65	70
						Dolomite	4	10	12	13	15
Slag powder	20	25	30	35	40
						Waste residue of cellucotton	10	15	16	18	20
Binder	20	50	80	100	120
						Hydrophilic agent	10	15	20	25	30
Silane coupling agent	0.1	1	1.3	1.5	2
						Catalyst and process for preparing same	2	2.2	2.5	2.8	3

Examples 2-5 differ from example 1 in that: the raw material proportions of the components of the ecological porous cellucotton are different, and the rest components are completely the same as those in the example 1.

The preparation process of the ecological porous cellucotton of examples 2-5 is exactly the same as that of example 1.

Example 6

The ecological porous cellucotton is prepared from the following raw materials in parts by weight: 1000kg of porous cellucotton, 80kg of binder, 20kg of hydrophilic agent, 1.3kg of silane coupling agent, 2.5kg of catalyst and 20kg of reinforcing agent, wherein the reinforcing agent is composed of ammonium persulfate and polyethylene glycol dimethacrylate according to the mass ratio of 2:3, and the rest is completely the same as that of the embodiment 3.

In step (3), the hydrophilic gum is prepared: selecting a binder, a hydrophilic agent, a silane coupling agent, a catalyst and a reinforcing agent according to a formula, and uniformly mixing and stirring to obtain hydrophilic glue; the rest is exactly the same as in example 3.

Example 7

This embodiment is different from embodiment 6 in that: the amount of the reinforcing agent added was 25kg, and the rest was exactly the same as in example 6.

The preparation process of the ecological porous cellucotton of this example is exactly the same as that of example 6.

Example 8

This embodiment is different from embodiment 7 in that: the enhancer is composed of ammonium persulfate, polyethylene glycol dimethacrylate and biopolymer according to the mass ratio of 1:1:1, the biopolymer is composed of glucose, rhamnose, fucose and glucuronic acid according to the mass ratio of 2:3:3:4, and the rest is completely the same as the embodiment 7.

The preparation process of the ecological porous cellucotton of this example is exactly the same as that of example 7.

Example 9

This embodiment is different from embodiment 7 in that: the enhancer is composed of ammonium persulfate, polyethylene glycol dimethacrylate and biopolymer according to the mass ratio of 5:3:6, the biopolymer is composed of glucose, rhamnose, fucose and glucuronic acid according to the mass ratio of 2:3:3:4, and the rest is completely the same as the embodiment 7.

The preparation process of the ecological porous cellucotton of this example is exactly the same as that of example 7.

Example 10

This embodiment is different from embodiment 7 in that: the enhancer is composed of ammonium persulfate, polyethylene glycol dimethacrylate and biopolymer according to the mass ratio of 8:6:7, the biopolymer is composed of glucose, rhamnose, fucose and glucuronic acid according to the mass ratio of 2:3:3:4, and the rest is completely the same as the embodiment 7.

The preparation process of the ecological porous cellucotton of this example is exactly the same as that of example 7.

Example 11

This embodiment is different from embodiment 7 in that: the reinforcing agent is prepared from ammonium persulfate, polyethylene glycol dimethacrylate and a biopolymer according to a mass ratio of 7: 5:6, the biopolymer consists of glucose, rhamnose, fucose and glucuronic acid in a mass ratio of 2:3:3:4, and the rest is completely the same as in example 7.

The preparation process of the ecological porous cellucotton of this example is exactly the same as that of example 7.

Example 12

This embodiment is different from embodiment 11 in that: the biopolymer is composed of glucose, rhamnose, fucose, glucuronic acid in a mass ratio of 4:5:4:5, and the others are exactly the same as in example 11.

The process for preparing the ecological porous cellucotton of this example is exactly the same as that of example 11.

Example 13

The present embodiment is different from embodiment 12 in that: the hydrophilic agent consists of fatty alcohol polyoxyethylene ether carboxylate, sodium polydithio-dipropyl sulfonate and sodium nonylphenol polyoxyethylene ether sulfonate according to the mass ratio of 1:1:1, and the rest is completely the same as that in the embodiment 12.

The preparation process of the ecological porous cellucotton of this example is exactly the same as that of example 12.

Example 14

The present embodiment is different from embodiment 12 in that: the hydrophilic agent consists of fatty alcohol polyoxyethylene ether carboxylate, sodium polydithio-dipropyl sulfonate and sodium nonylphenol polyoxyethylene ether sulfonate according to the mass ratio of 2:3:4, and the rest is completely the same as that in the embodiment 12.

The preparation process of the ecological porous cellucotton of this example is exactly the same as that of example 12.

Example 15

The present embodiment is different from embodiment 12 in that: the hydrophilic agent consists of fatty alcohol polyoxyethylene ether carboxylate, sodium polydithio-dipropyl sulfonate and sodium nonylphenol polyoxyethylene ether sulfonate according to the mass ratio of 3:5:6, and the rest is completely the same as that in the embodiment 12.

The preparation process of the ecological porous cellucotton of this example is exactly the same as that of example 12.

Example 16

This embodiment is different from embodiment 15 in that: the silane coupling agent is composed of 3-aminopropyltriethoxysilane, isocyanatopropyltriethoxysilane, N- (2-aminoethyl) -3-aminoisobutyldimethylmethoxysilane in a mass ratio of 1:1:1, and the rest is completely the same as in example 15.

The preparation process of the ecological porous cellucotton of this example is exactly the same as that of example 15.

Example 17

This embodiment is different from embodiment 15 in that: the silane coupling agent is composed of 3-aminopropyltriethoxysilane, isocyanatopropyltriethoxysilane, N- (2-aminoethyl) -3-aminoisobutyldimethylmethoxysilane in a mass ratio of 1:3:2, and the rest is completely the same as in example 15.

The preparation process of the ecological porous cellucotton of this example is exactly the same as that of example 15.

Example 18

This embodiment is different from embodiment 15 in that: the silane coupling agent is composed of 3-aminopropyltriethoxysilane, isocyanatopropyltriethoxysilane, N- (2-aminoethyl) -3-aminoisobutyldimethylmethoxysilane in a mass ratio of 3:5:4, and the rest is completely the same as in example 15.

The preparation process of the ecological porous cellucotton of this example is exactly the same as that of example 15.

Example 19

This embodiment is different from embodiment 18 in that: the catalyst consists of N, N-dimethylaniline, polyvinyl alcohol and diethanol monoisopropanolamine according to the mass ratio of 2:4:4, and the rest is completely the same as that of the catalyst in the example 18.

The process for preparing the ecological porous cellucotton of this example is exactly the same as that of example 18.

Comparative example

The ecological porous cellucotton of the comparative example is prepared from the following raw materials in parts by weight: 50kg of basalt, 4kg of dolomite, 20kg of slag powder, 10kg of waste slag and 20kg of binder, wherein the binder is alcohol-soluble phenolic resin.

The preparation process of the ecological porous cellucotton comprises the following steps: (1) mixing raw materials: selecting basalt, dolomite, slag powder and waste slag according to a formula, and putting the basalt, the dolomite, the slag powder and the waste slag into a grinder for grinding to prepare mixed powder;

(2) melting and forming fibers: putting the mixed powder obtained in the step (1) into a blast furnace, heating to 1500 ℃ to melt the powder into molten slurry, cooling the molten slurry, and spinning at high speed by a four-roller centrifuge to form rock wool fibers;

(3) preparing hydrophilic gel: selecting a binder according to the formula, and uniformly stirring to obtain hydrophilic gel;

(4) spraying glue: spraying the hydrophilic glue prepared in the step (3) onto the rock wool fibers prepared in the step (2) along with centrifugal blowing;

(5) collecting cotton, distributing cotton, pleating, and solidifying.

Performance test

Detection method

And (3) detecting the water absorption performance: the water absorption performance of the ecological porous fiber cotton prepared in examples 1-19 and comparative example was measured according to the test method in GB/T8810-.

And (3) detecting porosity: the porosity of the ecological porous cellucotton obtained in examples 1 to 19 and comparative example was determined according to the test method in Q _ SDBW001-2008, wherein the porosity of the ecological porous cellucottonThe density was 70kg/m³The measurement results are shown in table 3.

TABLE 3 examples 1-19 and comparative examples ecological cellular cellucotton Performance

In combination with example 1 and comparative example, and table 3, it can be seen that, compared to the comparative example, in example 1, a hydrophilic agent, a silane coupling agent and a catalyst are added, the catalyst acts on the binder, so as to enhance the viscosity of the binder, the silane coupling agent enhances the compatibility of the hydrophilic agent and the binder, and at the same time, the hydrophilic group in the hydrophilic agent can enhance the hydrophilicity of the ecological porous cellucotton, so as to improve the water absorption rate and the porosity of the ecological porous cellucotton.

In combination with examples 1 to 5, and in combination with table 3, it can be seen that the proportions of the components of the eco-porous cellucotton are further optimized, thereby further increasing the water absorption and porosity of the eco-porous cellucotton.

In combination with examples 5-12 and table 3, it can be seen that, by adding the reinforcing agent into the ecological porous cellucotton, the reinforcing agent can further enhance the hydrophilicity of the ecological porous cellucotton, and can promote the hydrophilic agent to remain in the ecological porous cellucotton to act in synergy with the binder, so as to improve the hydrophilicity of the ecological porous cellucotton.

In combination with examples 12 to 19, and in combination with table 3, it can be seen that the hydrophilic agent and the silane coupling agent in the eco-porous cellucotton are further optimized, thereby further increasing the water absorption and porosity of the eco-porous cellucotton.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.