CN105461885A - Biological carbon polyurethane composite material for plant cultivation - Google Patents
Biological carbon polyurethane composite material for plant cultivation Download PDFInfo
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- CN105461885A CN105461885A CN201510766129.8A CN201510766129A CN105461885A CN 105461885 A CN105461885 A CN 105461885A CN 201510766129 A CN201510766129 A CN 201510766129A CN 105461885 A CN105461885 A CN 105461885A
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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
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4081—Mixtures of compounds of group C08G18/64 with other macromolecular compounds
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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
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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
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6216—Polymers of alpha-beta ethylenically unsaturated carboxylic acids or of derivatives thereof
- C08G18/6266—Polymers of amides or imides from alpha-beta ethylenically unsaturated carboxylic acids
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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
- C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
- C08G18/638—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers characterised by the use of compounds having carbon-to-carbon double bonds other than styrene and/or olefinic nitriles
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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
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
- C08G18/6492—Lignin containing materials; Wood resins; Wood tars; Derivatives thereof
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- 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
- C08K3/02—Elements
- C08K3/04—Carbon
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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
- C08G2101/00—Manufacture of cellular products
Abstract
The present invention discloses a biological carbon polyurethane composite material for plant cultivation. The material is prepared by mixing the following components: 30-35 parts of polyether polyol, 0.30-0.40 part of a catalyst, 0. 8-1.0 part of a foam stabilizer, 45-75 parts of a plant culture matrix material and 15-25 parts of isocyanate. The composite material provides air and nutrient needed for plant growth, has the advantages of small proportion, high toughness and good fertilizer and water conservation effect, and is applicable to plant root growth; and the biological carbon as environmental protection functions of adsorbing PM2.5 in the air and purifying haze.
Description
Technical field
The present invention relates to a kind of polyurethane material, particularly a kind of charcoal compound polyurethane material for plant cultivation.
Background technology
Modern city high building stands in great numbers, can be fewer and feweri for the plane space of greening, and the greening of the solid spaces such as building roof, garage ceiling, body of wall enclosure wall, balcony, windowsill has become the important means improving urban ecological environment.Development vertical planting, can enrich space structure levels and the urban art of landscape effect of city afforestation, contribute to increasing the green amount in city further, reduces tropical island effect, and dust suction, minimizing noise and obnoxious flavour, build and improve city ecotope.But traditional greening load weight, the large shape of the Light media nutrition soil body of new development is loose, preservation capacity of water and fertility is poor, fixes with container and metal, and lack security, form is single.How developing lightweight, efficient, safety, easily artificial solid base material and various functional type bearing structure and planting tray, is the direct impact greening weight of partial loading, the key problem in technology of vegetation growth state.
The greatest problem of vertical planting is exactly load.For making plant grew well, alleviate the weight of load, the planting matrix general requirement in plantation basal disc has stable physico-chemical property simultaneously as far as possible; Loose ventilative, be beneficial to plant root growth and draining; There is stronger preserve moisture and fertility ability; Unit weight is comparatively light, not easily produces the features such as disease and pest, so general employing artificial lightweight soil instead of naturally soil.Artificial lightweight soil at home and abroad obtains and uses widely, according to plant-growth to the requirement such as nutrient, potential of hydrogen, select containing element needed for each plant growth and the less artificial light weight inorganic matrix of unit weight as vermiculite, perlite, peat, or inorganic matrix and organic substrate form by different ratios mixing match.Because the raw materials such as careless carbon, peat are Nonrenewable resources, cost is higher, and current countries in the world all replace peat, rock wool etc. at research organic waste, as Canada's sawdust, Israel cow dung and trester, Britain's coir etc. all obtains good result.China has then carried out the research utilizing the various agricultural organic waste such as waste bamboo shell, discarded Semen Caryae Cathayensis crust, bagasse to make organic culture substrate.But the shortcoming of the various artificial lightweight soil that composition is different is that shape is loose needs container, and relatively heavier cause design techniques and Plant choosing more single, the container be placed on bearing structure easily drops and there is potential safety hazard.
Summary of the invention
The object of the present invention is to provide a kind of charcoal compound polyurethane material for plant cultivation, it can provide air required for plant-growth and nutrient, and proportion is little, toughness is high, preserve moisture and fertility is effective, and is suitable for the characteristic of plant root growth; Due to containing charcoal, product also has the environment-friendly function such as PM2.5, purification haze in absorbed air.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of charcoal compound polyurethane material for plant cultivation, be mixed by following feed composition: polyether glycol 30-35 part, catalyzer 0.30-0.40 part, suds-stabilizing agent 0.8-1.0 part, plant culture material 45-75 part, isocyanic ester 15-25 part.
The problem that the present invention is directed to prior art is improved, and plant culture material and urethane are carried out compound.Urethane is containing the general designation of macromolecular cpd repeating carbamate groups on main chain, and it is formed by organic diisocyanate or polyisocyanates and dihydroxyl or polyol addition polymerization.The features such as light-duty, the toughness of the present invention's urethane, using its netted immobilization material as plant growth material, by to the choose reasonable of polyurethane material synthesis material and and the combination of plant culture material (charcoal, plant growth material, water-keeping material etc.), produce novel charcoal compound polyurethane material, this material have light-duty, be applicable to the features such as plant root growth, preserve moisture and fertility performance are good, low-carbon environment-friendly.It can be made into the plate from plant wastes material with bearing structure and container function, is formed to vary in size, different, mobilely afforest unit easily, improves the diversity of security and design, for town and country vertical planting provides a kind of important technology.
First the present invention carries out particular combination to the synthesis material (polyether glycol, isocyanic ester) of urethane, the polyurethane material that this composite reaction obtains can be well crosslinked together with plant culture material, final product structure rationally (space, retentiveness), is applicable to plant root growth.
Secondly the present invention carries out customized configuration to plant culture material, charcoal (there is the environment-friendly function such as the PM2.5 in absorbed air, purification haze), vegetable fibre (both there is water retaining function, product can also have been increased firmly as strongthener) and absorbent resin (good water-retaining property) is adopted in plant culture material.
As preferably, described polyether glycol is combined by one or both in a kind of ending amino polyether polyvalent alcohol and dihydroxy polyether polyol alcohol, trihydroxy-polyether glycol.Concrete, described polyether glycol is the mixture of 2-3 kind polyether glycol.
In polyether glycol of the present invention: ending amino polyether polyvalent alcohol accounts for the 15-60% of polyether glycol gross weight, this ending amino polyether molecular weight is between 200-1000, amine value is greater than 100mgKOH/g, all the other polyether glycols are one in dihydroxy polyether polyol alcohol, trihydroxy-polyether glycol or two kinds of combinations, the molecular weight of dihydroxy polyether polyol alcohol, trihydroxy-polyether glycol is between 1500-3500, hydroxyl value 15-60mgKOH/g.
The polyether glycol of the such specific composition of the present invention, the product of production is more suitable for plant growing.
As preferably, described plant culture material is mixed by following component by weight: charcoal particle 30-50 part, sponge 50-70 part, absorbent resin 1-3 part.
The such combination of plant culture matrix Material selec-tion of the present invention can be compatible with urethane, and culture medium material adopts charcoal, and character is more stable, has both had certain preserve moisture and fertility performance, has had and have larger specific surface area, be suitable for microorganism and plant root growth.Filamentary material, is applicable to plant root growth, has water-retentivity, also can be used as strongthener, increases intensity and the flexible toughness of product.Absorbent resin, mainly water retention.
As preferably, described charcoal is selected from one or more in charcoal, bamboo charcoal, rice hull carbon, straw charcoal.Described charcoal preparation method of granules is: by biological raw material in anaerobic or oxygen level lower than under the condition of 3%, cracking 2-5 hour at 450-700 DEG C of temperature, cooling, pulverizes, and crosses 80 mesh sieves and obtains.Biological raw material is selected from the common charcoal raw materials such as timber, bamboo wood, rice husk, stalk.
As preferably, described sponge is selected from one or more in xylon, coir fibre, bamboo fibers, peat fibre.
As preferably, described absorbent resin is selected from the one in acrylamide-acrylicacid salt crosslinking copolymerization thing, Mierocrystalline cellulose and acrylate grafting or cross-linked polymer, Mierocrystalline cellulose and acrylamide graft or cross-linked polymer, starch-acrylate graft copolymer.
As preferably, described isocyanic ester is selected from one or more in tolylene diisocyanate, '-diphenylmethane diisocyanate, hexamethylene diisocyanate.
As preferably, described catalyzer is one or more in triethylene diamine, diethylenetriamine, triethylene triamine, trolamine.
As preferably, described suds-stabilizing agent is polyether modified silicon oil.
For a preparation method for the charcoal compound polyurethane material of plant cultivation, step is as follows:
1) polyol preparation: by polyether glycol, catalyzer, suds-stabilizing agent mixing, temperature remains on 20-35 DEG C, stirring and evenly mixing, obtained polyol;
(2) plant culture matrix material component preparation: plant culture material puts into deionized water, and under temperature 20-35 DEG C of condition, stirring and evenly mixing, finally obtains the plant culture matrix material component of water content at 60-200%;
(3) charcoal compound polyurethane material preparation: the plant culture matrix material component that step (2) obtains is added in the polyol that step (1) obtains, stirring and evenly mixing, add isocyanic ester again, timing is stirred, after 8-20 second, mixture is poured in mould, the demoulding after static 20-30 minute under temperature 20-35 DEG C of condition, then product after the demoulding is placed on temperature 20-50 DEG C, relative humidity is less than under the ventilated environment of 60% and obtains product after slaking 24-48 hour.
The invention has the beneficial effects as follows: it can provide air required for plant-growth and nutrient, proportion is little, toughness is high, preserve moisture and fertility is effective, and be suitable for the characteristic of plant root growth; Due to containing charcoal, product also has the environment-friendly function such as PM2.5, purification haze in absorbed air.In addition, can significantly reduce vertical planting load, formation varies in size, movement afforests unit easily, significantly reduce construction cost and maintenance cost, thus it is heavy and fall apart, afforest the problems such as model is single, maintenance is difficult to solve medium, has huge application space and development prospect in Forest City Construction.
Embodiment
Below by specific embodiment, technical scheme of the present invention is described in further detail.
In the present invention, if not refer in particular to, the raw material adopted and equipment etc. all can be buied from market or this area is conventional.Method in following embodiment, if no special instructions, is the ordinary method of this area.
In polyether glycol of the present invention: ending amino polyether polyvalent alcohol (commercially available) accounts for the 15-60% of polyether glycol gross weight, this ending amino polyether molecular weight is between 200-1000, amine value is greater than 100mgKOH/g, all the other polyether glycols are one in dihydroxy polyether polyol alcohol (commercially available), trihydroxy-polyether glycol (commercially available) or two kinds of combinations, the molecular weight of dihydroxy polyether polyol alcohol, trihydroxy-polyether glycol is between 1500-3500, hydroxyl value 15-60mgKOH/g.
Embodiment 1:
A kind of charcoal compound polyurethane material for plant cultivation, formula is: be mixed by following feed composition: polyether glycol 30 parts, catalyzer (triethylene diamine) 0.30 part, suds-stabilizing agent (polyether modified silicon oil) 0.8 part, plant culture material 45 parts, isocyanic ester (tolylene diisocyanate) 15 parts.
Described plant culture material is mixed by following component by weight: charcoal particle 30 parts, sponge (coir fibre, commercially available) 50 parts, absorbent resin (starch-acrylate graft copolymer, commercially available) 1 part.Described charcoal particle (charcoal) preparation method is: by timber in anaerobic, cracking 5 hours at 450 DEG C of temperature, and cooling, pulverizing, cross 80 mesh sieves and obtain.
For a preparation method for the charcoal compound polyurethane material of plant cultivation, step is as follows:
(1) polyol preparation: by polyether glycol, catalyzer, suds-stabilizing agent mixing, temperature remains on 20 DEG C, fully stirs 15 minutes, obtained polyol;
(2) plant culture matrix material component preparation: plant culture material puts into deionized water, under temperature 20 DEG C of conditions, fully stirs 10 minutes, finally obtain water content 60% plant culture matrix material component;
(3) charcoal compound polyurethane material preparation: the plant culture matrix material component that step (2) obtains is added in the polyol that step (1) obtains, stir 10 minutes, abundant mixing, add isocyanic ester again, timing is stirred, and after 8 seconds, is poured into by mixture in mould, the demoulding after static 30 minutes under temperature 20 DEG C of conditions, then product after the demoulding is placed on temperature 20 DEG C, relative humidity be less than the ventilated environment of 60% under slaking obtain product after 48 hours.
Embodiment 2:
A kind of charcoal compound polyurethane material for plant cultivation, formula is: be mixed by following feed composition: polyether glycol 35 parts, catalyzer (diethylenetriamine) 0.40 part, suds-stabilizing agent (polyether modified silicon oil) 1.0 parts, plant culture material 75 parts, isocyanic ester ('-diphenylmethane diisocyanate) 25 parts.
Described plant culture material is mixed by following component by weight: charcoal particle 50 parts, sponge (xylon, commercially available) 70 parts, absorbent resin (acrylamide-acrylicacid salt crosslinking copolymerization thing, commercially available) 3 parts.Described charcoal particle (bamboo charcoal) preparation method is: by bamboo wood under the condition of oxygen level lower than 3%, cracking 2 hours at 700 DEG C of temperature, and cooling, pulverizing, cross 80 mesh sieves and obtain.
For a preparation method for the charcoal compound polyurethane material of plant cultivation, step is as follows:
(1) polyol preparation: by polyether glycol, catalyzer, suds-stabilizing agent mixing, temperature remains on 35 DEG C, fully stirs 10 minutes, obtained polyol;
(2) plant culture matrix material component preparation: plant culture material puts into deionized water, under temperature 35 DEG C of conditions, fully stirs 5 minutes, finally obtain water content 200% plant culture matrix material component;
(3) charcoal compound polyurethane material preparation: the plant culture matrix material component that step (2) obtains is added in the polyol that step (1) obtains, stir 15 minutes, abundant mixing, add isocyanic ester again, timing is stirred, and after 20 seconds, is poured into by mixture in mould, the demoulding after static 20 minutes under temperature 35 DEG C of conditions, then product after the demoulding is placed on temperature 50 C, relative humidity be less than the ventilated environment of 60% under slaking obtain product after 24 hours.
Embodiment 3:
A kind of charcoal compound polyurethane material for plant cultivation, formula is: be mixed by following feed composition: polyether glycol 33 parts, catalyzer (triethylene diamine 0.2 part+triethylene triamine 0.15 part) 0.35 part, suds-stabilizing agent (polyether modified silicon oil) 0.9 part, plant culture material 60 parts, isocyanic ester (tolylene diisocyanate 10 parts+hexamethylene diisocyanate 10 parts) 20 parts.
Described plant culture material is mixed by following component by weight: charcoal particle 40 parts, sponge (xylon 20 parts+bamboo fibers 40 parts, commercially available) 60 parts, absorbent resin (acrylamide-acrylicacid salt crosslinking copolymerization thing, commercially available) 1-3 part.Described charcoal particle (bamboo charcoal) preparation method is: by bamboo wood under anaerobic, cracking 3 hours at 500 DEG C of temperature, and cooling, pulverizing, cross 80 mesh sieves and obtain.
For a preparation method for the charcoal compound polyurethane material of plant cultivation, step is as follows:
(1) polyol preparation: by polyether glycol, catalyzer, suds-stabilizing agent mixing, temperature remains on 30 DEG C, fully stirs 12 minutes, obtained polyol;
(2) plant culture matrix material component preparation: plant culture material puts into deionized water, under temperature 30 DEG C of conditions, fully stirs 8 minutes, finally obtain water content 100% plant culture matrix material component;
(3) charcoal compound polyurethane material preparation: the plant culture matrix material component that step (2) obtains is added in the polyol that step (1) obtains, stir 12 minutes, abundant mixing, add isocyanic ester again, timing is stirred, and after 15 seconds, is poured into by mixture in mould, the demoulding after static 25 minutes under temperature 30 DEG C of conditions, then product after the demoulding is placed on temperature 30 DEG C, relative humidity be less than the ventilated environment of 60% under slaking obtain product after 35 hours.
Concrete preparation example 1
The first step, prepared by polyol: by polyether glycol (model 3050) 160 grams, Amino Terminated polyether(ATPE) polyvalent alcohol (model JEFFAMINED-400) 160 grams, triethylene diamine 3.5 grams, silicone oil 8.5 grams, puts into container respectively, at 25 DEG C of temperature, be uniformly mixed, fully mix in container, obtained polyol.
Second step, prepared by plant culture matrix material component: add in 800 grams of water by 200 grams of charcoals, 300 grams of bamboo fiberss and 3 grams of acrylamide-acrylicacid salt crosslinking copolymerization things, under temperature 25 DEG C of conditions, fully stir 10 minutes, obtain plant culture matrix material component.
3rd step, plant culture matrix material component step 2 obtained adds in the obtained polyol of step one, stir 15 minutes, abundant mixing, then add isocyanic ester (TDI-100), timing is stirred, after 10 seconds, mixture is poured in square mould, the demoulding after static 20 minutes under temperature 25 DEG C of conditions, then product after the demoulding is placed on 25 DEG C, under the ventilated environment of relative humidity 50% slaking obtain product after 25 hours.
In this preparation example, the polyether glycol trade mark is Shandong Lanxing Dongda Chemical Co., Ltd, model 3050; Amino Terminated polyether(ATPE) polyvalent alcohol U.S. Hensel steps (Huntsman) company, model JEFFAMINED-400; Triethylene diamine, Shanghai chemical reagent work, model: CP; Polyether modified silicon oil, Shandong Dayi Chemical Industry Co., Ltd, model DY-ET10; Cracking 5 hours at charcoal to be bamboo matter charcoal be particle diameter is less than 80 object, 500 DEG C of temperature, cooling, pulverizes, and crosses 80 mesh sieves and obtains; Vegetable fibre is bamboo fibers; Tolylene diisocyanate is German Baeyer, model TDI-100; Acrylamide-acrylicacid salt crosslinking copolymerization thing, Renqiu City Lv Feng chemical plant.
The charcoal compound polyurethane material unit weight 0.33g/cm of the plant cultivation that this preparation example is produced
3, porosity 61%, maximum water-intake rate is 255%, can the plant such as planting vegetable, flowers, undershrub above.
Concrete preparation example 2
The first step, prepared by polyol: by polyether glycol (model DEP455S) 150 grams, Amino Terminated polyether(ATPE) polyvalent alcohol (model D-400) 170 grams, triethylene triamine 3.2 grams, silicone oil 9 grams, puts into container respectively, at 25 DEG C of temperature, be uniformly mixed, fully mix in container, obtained polyol.
Second step, prepared by plant culture matrix material component: add in 800 grams of water by 240 grams of charcoals, 260 grams of coir fibres and 3 grams of acrylamide-acrylicacid salt crosslinking copolymerization things, under temperature 30 DEG C of conditions, fully stir 10 minutes, obtain plant culture matrix material component.
3rd step, plant culture matrix material component step 2 obtained adds in the obtained polyol of step one, stir 20 minutes, abundant mixing, then add isocyanic ester, timing is stirred, after 15 seconds, mixture is poured in square mould, the demoulding after static 20 minutes under temperature 30 DEG C of conditions, then product after the demoulding is placed on 45 DEG C, under the ventilated environment of relative humidity 50% slaking obtain product after 24 hours.
The polyether glycol trade mark of this preparation example is Zibo federal chemical Industrial Co., Ltd of moral letter, model DEP455S; Amino Terminated polyether(ATPE) polyvalent alcohol Wuxi A Keli Science and Technology Co., Ltd., model D-400; Triethylene triamine, U.S.'s Hensel is graceful; Polyether modified silicon oil, upper the sea is quiet enlightening novel material Science and Technology Ltd., model: YD-3701; Charcoal is rice hull carbon, and particle diameter is less than 80 orders, rice husk cracking 3 hours at 600 DEG C of temperature, cooling, pulverizes, and crosses 80 mesh sieves and obtains; Vegetable fibre is coir fibre; Acrylamide-acrylicacid salt crosslinking copolymerization resin, BASF Aktiengesellschaft; Tolylene diisocyanate TDI-80/20, German Baeyer.
The charcoal compound polyurethane material unit weight 0.41g/cm of the plant cultivation that this preparation example is produced
3, porosity 64%, maximum water-intake rate is 213%, and this matrix can be used for plant cuttage, planting seed.
Above-described embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (10)
1. for a charcoal compound polyurethane material for plant cultivation, it is characterized in that, be mixed by following feed composition: polyether glycol 30-35 part, catalyzer 0.30-0.40 part, suds-stabilizing agent 0.8-1.0 part, plant culture material 45-75 part, isocyanic ester 15-25 part.
2. charcoal compound polyurethane material according to claim 1, is characterized in that: described polyether glycol is combined by one or both in a kind of ending amino polyether polyvalent alcohol and dihydroxy polyether polyol alcohol, trihydroxy-polyether glycol.
3. charcoal compound polyurethane material according to claim 1, is characterized in that: described plant culture material is mixed by following component by weight: charcoal particle 30-50 part, sponge 50-70 part, absorbent resin 1-3 part.
4. charcoal compound polyurethane material according to claim 3, is characterized in that: described charcoal is selected from one or more in charcoal, bamboo charcoal, rice hull carbon, straw charcoal.
5. charcoal compound polyurethane material according to claim 3, is characterized in that: described sponge is selected from one or more in xylon, coir fibre, bamboo fibers, peat fibre.
6. charcoal compound polyurethane material according to claim 3, is characterized in that: described absorbent resin is selected from the one in acrylamide-acrylicacid salt crosslinking copolymerization thing, Mierocrystalline cellulose and acrylate grafting or cross-linked polymer, Mierocrystalline cellulose and acrylamide graft or cross-linked polymer, starch-acrylate graft copolymer.
7. charcoal compound polyurethane material according to claim 1, is characterized in that: described isocyanic ester is selected from one or more in tolylene diisocyanate, '-diphenylmethane diisocyanate, hexamethylene diisocyanate.
8. charcoal compound polyurethane material according to claim 1, is characterized in that: described catalyzer is one or more in triethylene diamine, diethylenetriamine, triethylene triamine, trolamine.
9. charcoal compound polyurethane material according to claim 1, is characterized in that: described suds-stabilizing agent is polyether modified silicon oil.
10. the preparation method of a kind of charcoal compound polyurethane material for plant cultivation as claimed in claim 1, it is characterized in that, step is as follows:
(1) polyol preparation: by polyether glycol, catalyzer, suds-stabilizing agent mixing, temperature remains on 20-35 DEG C, stirring and evenly mixing, obtained polyol;
(2) plant culture matrix material component preparation: plant culture material puts into deionized water, and under temperature 20-35 DEG C of condition, stirring and evenly mixing, finally obtains the plant culture matrix material component of water content at 60-200%;
(3) charcoal compound polyurethane material preparation: the plant culture matrix material component that step (2) obtains is added in the polyol that step (1) obtains, stirring and evenly mixing, add isocyanic ester again, timing is stirred, after 8-20 second, mixture is poured in mould, the demoulding after static 20-30 minute under temperature 20-35 DEG C of condition, then product after the demoulding is placed on temperature 20-50 DEG C, relative humidity is less than under the ventilated environment of 60% and obtains product after slaking 24-48 hour.
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| CN106915920A (en) * | 2017-03-23 | 2017-07-04 | 浙江省林业科学研究院 | A kind of charcoal water planting matrix, production method and its application |
| CN107285851A (en) * | 2017-06-15 | 2017-10-24 | 西施生态科技股份有限公司 | A kind of matrix of ornamental plant introducing and planting and its preparation |
| CN107711242A (en) * | 2017-10-09 | 2018-02-23 | 中国林业科学研究院森林生态环境与保护研究所 | A kind of method for recovering vegetation of Difficult site |
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| CN107285851A (en) * | 2017-06-15 | 2017-10-24 | 西施生态科技股份有限公司 | A kind of matrix of ornamental plant introducing and planting and its preparation |
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| CN110959499A (en) * | 2019-12-26 | 2020-04-07 | 刘晓涵 | Plant nutritive tissue and its preparing process |
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| CN111592752A (en) * | 2020-06-10 | 2020-08-28 | 东莞市腾崴塑胶制品有限公司 | Bamboo fiber sponge and preparation method thereof |
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