CN105297178B - Hot melt binding composite fiber capable of organically integrating with culture soil matrix - Google Patents
Hot melt binding composite fiber capable of organically integrating with culture soil matrix Download PDFInfo
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- CN105297178B CN105297178B CN201510641969.1A CN201510641969A CN105297178B CN 105297178 B CN105297178 B CN 105297178B CN 201510641969 A CN201510641969 A CN 201510641969A CN 105297178 B CN105297178 B CN 105297178B
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Abstract
The invention discloses a hot melt binding composite fiber capable of organically integrating with a culture soil matrix. The hot melt binding composite fiber capable of organically integrating with the culture soil matrix is formed by a two-component hot melt binding composite fiber A with the length being 3 to 8mm and a two-component hot melt binding composite fiber B with the length being 15 to 25mm; the two-component hot melt binding composite fiber A or B is formed by compositing two thermoplastics polymer fibers through composite spinning according to a sheath-core type structure mode; the melting point difference between the two thermoplastics polymer fibers is not less than 30 DEG C; the two-component hot melt binding composite fiber A or B has the fineness being 1.4 to 1.8dtex, the fiber moisture regain being lower than or equal to 10 percent, and the elongation at break being higher than or equal to 15 percent; the materials of the two-component hot melt binding composite fibers A and B can be the same or different. The hot melt binding composite fiber can be organically integrated with the organic culture soil matrix formed by peat soil, coconut powder, straw powder and other mixtures, so that the physical property of culture soil can be changed, the culture soil can be cured and formed, the problems of soil scattering and soil loss by water flushing are solved, and all basic nutrient substances, required by plants, of the culture soil are ensured.
Description
Technical field
The present invention relates to can be with the uniform organic double-component thermo-fusing bonding compound fiber for mixing of compost.
Background technology
The development of modern agriculture, particularly afforestation and the fast development of flower plants and nursery stock industry, curable compost
Matrix produces more and more important, particularly global warming, and pollution aggravates, and vertical planting and indoor greening rise comprehensively, how to protect
Card compost is not lost in and disperses, and keeps the ventilating air permeability of compost while strengthening the water holding capacity of soil again into one
A difficult problem.
The content of the invention
Melt bonding composite fibre the present invention seeks to pass through offer one kind and can add heat in compost matrix, change culture
The intrinsic physical characteristic of soil matrix matter, can enable compost effectively solidify and with plasticity, with good specific retention, both
Different shape can be processed into, compost can be kept to plant the performance of various plants again, to adapt to current vertical planting
The needs of kind of technology are inserted in industry and drought soil mechanization.
The present invention a kind of heat that can melt with compost matrix organic phase melt bonding composite fibre, be by length be 3-8mm
Double-component heat melt bonding composite fibre A and length and melt bonding composite fibre B composition for the double-component heat of 15-25mm；Double-component
It is to pass through frame mode of the composite spinning according to core-skin type by two kinds of thermoplastic polymer fibers that heat melts bonding composite fibre A or B
It is composited；Fusing point difference between two kinds of described thermoplastic polymer fibers is not less than 30 DEG C；Described double-component heat melts viscous
The fiber number of knot composite fibre A or B is 1.4～1.8dtex, and fiber regain is not higher than 10%, and elongation at break is not less than 15%；
It can be identical or different that double-component heat melts the material of bonding composite fibre A and B.
It is 1～6 that described heat melts viscose fibre A and the hot mass ratio for melting viscose fibre B:1～6；Preferably 2～3:2～
3。
It is polyester, polyamide, polyolefin, polyvinyl chloride, modified poly ester, modified polyamides that described thermoplastic polymer is selected from
The copolymer of amine or above-mentioned polymer.
At least one of preferably described thermoplastic polymer of the invention is polyester.
The fusing point of the superficial cortical layers thermoplastic polymer of the core-skin type of described composite fibre be 130 DEG C～400 DEG C this
The bright heat melt bonding composite fibre can be very good with including culture including base soil, plant fiber powder, peat soil and perlite
Soil matrix matter is blended, and by heating, makes plasticity fiber compost, and it not only can be planted as Nostoc commune Vanch soil
Majority of plants is planted, with good specific retention, and also plastic molding, the attribute that soil is easily scattered is changed, it is machinery
Change the industry base materials such as plantation, vertical planting to provide the foundation.
Obtaining for technical scheme, is that inventor looks for the above-mentioned purpose for realizing the present invention, and inventor attempts
Carry out summarizing what is obtained after a series of development test.Inventor once melted double-component heat the fibre length cut-out of viscose fibre
For 5mm or so, then mix with compost, then by adding heat fusing sizing, curable compost is formed, after solidification
Compost have certain intensity, but internal structure is dense, although change the original of compost according to actual needs
Indefinite form of being scattered characteristic, but only meet the extremely strong drought-enduring little grass growth of vitality, it is difficult to meet plant vertical planting more
The demand that species are planted, it is impossible to form the internal fiber structure beneficial to plant growth.If adding plant fiber powder in base soil, then
Occur heating after fiber occur melting or soften, between plant fiber powder and hot-melt prepreg machine, or fiber and
Will be adhered together between compost matrix, structure is still comparatively dense, it is impossible to form the internal fiber knot beneficial to plant growth
Structure..
By further experimental exploration, inventor has found, the double-component heat that length is cut into 20mm or so is melted bonding fine
Dimension heat after fiber occur melting or soften, between plant fiber powder and hot-melt prepreg machine, or fiber and culture
The open structure of the porosity that will disperse to form larger between soil matrix matter, it is so very unfavorable to plant water keeping, it is unfavorable for full
The moisture supply of sufficient plant growth.
But inventor is attempting to be 5mm or so with fibre length that length is cut into the double-component heat of 20mm or so and melts
Viscose fibre is mixed with compost, and the pleasantly surprised discovery of inventor prevents inside configuration fiber to the fiber soil of mixing sizing
The formation of block, is that the dispersive property for realizing fiber is played a significant role.Can produce and there is plasticity and can be formed more
Loose pore structure adapts to the solidification compost of plant growth.
In addition, also finding that the one of which double-component heat in the present invention melts the fibre of bonding composite fibre by studying inventor
Dimension length must be controlled between 3-8mm, and such as fruit fiber length is easy for forming little group less than 3mm, fiber and compost mixing
Fiber block ball, it is impossible to which uniform and compost is combined, affects the uniformity of the hole of final product.As fruit fiber length exceedes
The hole that 8mm, fiber and compost are formed when mixing also is difficult to greatly uniformly, particularly doing the shaping compost of small volume very much
When, this problem can be very prominent, and the stability extreme difference of same batch finished product.
By further research, inventor has found that the heat in the present invention is melted in bonding composite fibre and answers controlled fracturing blasting to extend
Rate must be not less than 15%.Because, if inventor has found that elongation is less than 15% by research repeatedly, the solidification knot for ultimately forming
Structure stability can not be high, and fragility can strengthen, and stablizing for fiber soil is inadequate.
The heat of the present invention is melted bonding composite fibre and is particularly suitable for being added with the compost of plant fiber powder.And plant is fine
Dimension powder may be from the agriculture and forestry organic waste material in most of China area, and price is very cheap, and with all kinds of form severe contaminations
Environment, can directly be turned waste into wealth by the application of fiber of the present invention.So can be comprehensive by the composite fibre of the present invention
Different types of agricultural waste thing powder can be made into corresponding fiber compost.
The present invention can be with the organic compost constituted in interior mixture including peat soil, coconut powder, stalk powder etc.
Matrix is organic to be blended, so as to change the physical property of compost so that compost can curing molding, so as to solve soil
It is scattered and meets water and rinse the problem being lost in, and ensure that all of basal nutrient material of the compost needed for plant.
Melt bonding composite fibre to this double-component heat below further to be described in detail
Heat in the present invention is melted the regain of bonding composite fibre and is preferably below 7%, and the regain of such as fruit fiber is high
If 7%, when fiber and compost mix, fiber water balance power is very poor, so the easy balling of fiber soil, it is impossible to smoothly
Even stirring, affects especially big to the hole of final molding thing.
Double-component heat in the present invention melts the fiber number of bonding composite fibre should be controlled between 1.4～1.8dtex, at this moment fine
The moisture rate of dimension just can be relatively good, could form good plant growth hole with compost.If fiber number is too small, fiber and training
Soil mixing is supported, fiber block is easily formed, also is just difficult to form reasonable moisture rate, uniformly can not be combined with compost,
So as to affect the porosity of final product.If fiber number is excessive, the structural strength of fiber compost can be affected.
For the composite fibre of this skin-core structure, it is low melting point and softening that the surface of fiber is preferably more than 80%
Point thermoplastic polymer, like this, after a heating treatment, between fiber and fiber, just can be very between fiber and compost
Merge well, the material strong so as to form curing performance.
For heating up process, can successfully merge to ensure that heat melts bonding composite fibre, while guaranteeing active fibre
The softening of the plant fiber powder of dimension soil and sterile culture soil make, and the melting point and softening point of the superficial cortical layers polymer of fiber are (i.e.
Fusing point) preferably more than 130 DEG C, but had better not be higher than 400 DEG C, the otherwise requirement to heater is very high, consumes energy larger,
And it is dangerous.
Thermoplastic polymer in composition described in bar can be polyester, polyamide, polyolefin, polyvinyl chloride, modified poly-
Ester, a series of polymer with high melting point and softening point such as the copolymer of modified polyamide and above-mentioned polymer.This
Bright formed double-component heat melts bonding composite fibre, and its essence is a kind of hot-melt prepreg machine green wood of core-skin type investment fashion
Material, then can be cut into A, B mixing of different length of the presently claimed invention.
The compound kenel of composite fibre can be divided into parallel type, core-skin type or 2 kinds of mixing from from the point of view of transverse shape
Exist etc., the composite fibre inside the present invention is preferably the thermoplastic polymer conduct of 30 DEG C of the fusing point at least below polyester fiber
Skin portion, used as sandwich layer part, such melting caking property can be fine, is conducive to the plastic stable of finished fiber for polyester fiber
Property, so as to effectively realize actual every performance.
Heat in the present invention is melted bonding composite fibre and is primarily used to mix with compost matrix, therefore preferably with poly- second
The strong nontoxic fiber of the cohesives such as enol formal fiber, in the concrete case of mixed-forming, must be according to compost
Main Ingredients and Appearance is adjusting the use ratio of fiber, it is impossible to lump together.
Heat in the present invention melts bonding composite fibre when in use, needs to heat, and can melt with compost
Close, form the activated fibre soil of higher-strength.When heating, the hot Hot melted in bonding composite fibre dissolves composition will
Composition in compost constitute choose, difference choosing, the compost of different components dissolves the content requirement of composition to Hot
It is different.Heating-up temperature typically requires that the low melting point and softening point for dissolving composition that specific heat melts in bonding composite fibre is high 20 DEG C,
The fiber between meldable fibre is so conducive to smoothly to bond.
Heat in the present invention melts bonding composite fibre when in use, according to the composition of compost main material and
Want the intensity requirement of machine-shaping product to select suitable heating means and mould, the product not so processed can not meet plant
The normal growth of thing, can not process the finished product of various shapes.
Description of the drawings
Fig. 1 is the double-component hot-melt prepreg machine material of the 20mm length that the present invention is prepared.
Fig. 2 is the double-component hot-melt prepreg machine material of the 5mm length that the present invention is prepared.
Specific embodiment
Following examples will be more specifically described in detail to the present invention, but embodiments of the present invention not limited to this,
For especially not dated technological parameter, can refer to routine techniques is carried out.The present embodiment mainly melts viscous to the heat of different components
Knot composite fibre mixes with compost, draws different fiber composts, then to the related physical property of fiber compost with
Chemical characteristic such as comprehensive strength, quality, porosity, soil moisture content (water-holding capacity), acid-base value (pH value), electrical conductivity (EC) and cation are handed over
Amount of changing (CEC) etc. is observed and calculates.
[1] measurement of the comprehensive strength of fiber compost is evaluated with following evaluation criterion, embodiment and
Comparative example formed fiber culture soil block from 1.5m it is high where freely fall, if crush scatter more than 10 pieces, be just designated as 1,
2 are designated as if crushing and being divided into 5-8 blocks, if crushing and being divided into 2-4 blocks 3 are designated as, if crushing 4 are designated as.
[2] measure of the soil texture mainly has different plasticity and caking property estimation soil according to each grade particle
Texture type.A small amount of (about 2 grams) soil sample is taken first in hand, add water moistening, while fully rubbing, makes soil water sorption uniform (i.e.
Add water till soil sample is just tack-free).Then press table size and determine texture type.
Table 1 commonly uses soil texture identification specification table
[3] assay method of soil porosity.Steel is measured first to fetch earth the volume of container, weighs the weight of container.So
Load consistent with the inside diameter of vessel that fetches earth activated fibre soil with the steel container that fetches earth afterwards, be allowed to concordant as nozzle, remove and glue
The grogs of the container outer wall that fetches earth is attached to, then immediately adds a cover the extracting container two ends for containing soil, be put in baking oven under the conditions of 105 DEG C
It is continuous to dry 24 hours to constant weight.Then sample is taken out from baking oven, W1 is weighed as, removes soil sample in cutting ring, dry cutting ring, claim it
Cutting ring weight is calculated as W2.
(1) vessel volume that fetches earth is calculated as follows:
V=π r2h
In formula:V：Extracting container volume (centimetre 3) r：Extracting container inside radius (centimetre)
h：Cutting ring height (centimetre) π：Pi.
(2) soil weight is calculated as follows：
(3) soil porosity is calculated by empirical equation, its empirical equation is：
Pt%=93.947-32.995D
[4] to the assay method of the retention ability of fiber compost, the fiber compost that first embodiment and comparative example are formed
Block soaks 30s in water makes it fully absorb water, and takes out to after flowing out without Free water and weighs, and waits and is weighed again after 5 hours.By soil sample
It is placed in 105 DEG C ± 2 DEG C of baking oven and dries to constant weight, you can all evaporation is totally asked with this to make its contained humidity (including hygroscopic moisture)
Calculate soil water content.Concrete steps are operated with reference to GB 7172-1987 determining soil moistures method is pressed.As a result statistical summaries are as follows
Table.
[5] measure of soil pH value adopts mixed indicator colorimetric method, and mixed indicator is prepared first, is accurately claimed with balance
Take (0.2500 gram) bromocresol green of equivalent, bromocresol purple, cresol red to be put in agate mortar, plus about l5 milliliter 0.1N hydroxides
Sodium and 5 milliliters of distilled water co-grounds, then with distilled water diluting to l000 milliliters.It is stored in standby in brown bottle.
Then the soil block of soya bean size is taken, in being put into the cave of the colorimetric porcelain plate wiped clean, 2-3 drop mixed indicators is added
To having a little liquid to flow out to spend, about half a minute is gently vibrated, incline porcelain plate or soupspoon, let the liquid out, with following table standard ratio
Colour atla carries out colorimetric, accurately reads the religion word of soil pH value.
The mixed indicator of table 2 instills the color change interval after soil
| PH value | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 |
| Card color | It is yellow | It is greenish-yellow | It is yellowish green | It is grass green | It is green | It is grayish green | It is grey blue | Lan Zi | It is purple |
[6] measure of electrical conductivity (EC) is the electrical conductivity (EC) with its infusion of Means of Electrical Conductivity.In general, in soil
Soluble-salt is leached in certain water and soil ratio with balancing method, and these soluble-salts are strong electrolytes, and its water solubility has conductive work
With the available electrical conductivity of power of conductive capability is represented.In the range of finite concentration, content and the electrical conductivity of soluble-salt are in positive
Close, salt content is higher, and the osmotic pressure of solution is bigger, and electrical conductivity is also bigger.Its result record such as following table.
[7] cation exchange capacity (CEC) (CEC), measure is according to the measure of GB 7863-1987 forest soil cation exchange capacity (CEC)s
National standard (GB) is carried out, as a result record such as following table.
Embodiment 1
Heat melts the manufacture of bonding composite fibre A
With polyethylene terephthalate as sandwich layer part (fusing point is for 250 DEG C -255 DEG C), with glycol-modified polyphenyl
Naphthalate is skin portion, and the fusing point of cortex drops to 135 DEG C～190 DEG C, sandwich layer composition：Sheath component ratio is 1：1,
Core-sheath compound fibre is prepared under sandwich layer melting temperature, when then cooling to 70 DEG C, is stretched according to 3.5 times of ratios, obtain fibre
Spend for 1.6dtex, regain is 10%, and elongation at break is 18%, core-sheath compound fibre, and the fibre of 5mm length is then cut into again
Dimension, is that double-component heat melts bonding composite fibre A.
Embodiment 2
Heat melts the manufacture of bonding composite fibre B
With polyethylene terephthalate as sandwich layer part, with glycol-modified polyethylene terephthalate as cortex
Part, sandwich layer composition：Sheath component ratio=1：1, core-sheath compound fibre is prepared under sandwich layer melting temperature, then again 70 DEG C
When, 3.5 times of stretchings, then with the mechanical stample fiber of curling, are dried processing in 60 DEG C, and fiber number is 1.6dtex single fibers, moisture rate
10%, elongation at break is after 18 composite fibre, the chopped fiber of the long 20mm of fiber to be then cut into again, is that double-component heat melts bonding
Composite fibre B.
Comparative example 1
Heat melts the manufacture of bonding composite fibre C
With PET as sandwich layer part, with glycol-modified PET as cortex portion
Point, sandwich layer composition：Sheath component ratio=1：1, core-sheath compound fibre is made under sandwich layer melting temperature, then again 70 DEG C when,
3.5 times of stretchings, then with the mechanical stample fiber of curling, in 60 DEG C processing are dried, and obtain fiber number for 1.6dtex, regain 15%,
Elongation at break is 18 composite fibre, and the chopped fiber of the long 20mm of fiber is then cut into again, has just made heat and has melted the compound fibre of bonding
Vc.
Comparative example 2
Heat melts the manufacture of bonding composite fibre D
With PET as sandwich layer part, with the modified PET of ethylene glycol terephthalic acid (TPA)
For skin portion, sandwich layer composition：Sheath component ratio=1：1, core-sheath compound fibre, Ran Houzai are made under sandwich layer melting temperature
When 70 DEG C, 3.5 times of stretchings, then with the mechanical stample fiber of curling, in 60 DEG C processing are dried, and obtain fiber number for 1.4dtex single fibers
Dimension, regain 10%, elongation at break is 10 core sheath composite fibre, and the chopped fiber of the long 20mm of fiber is then cut into again, is heat
Melt bonding composite fibre D.
Implementation of an application example 1
1) proportioning that the total amounts such as loess 30%, powder of straw 20%, peat soil 10%, perlite 40% are 100% is used first
Make compost.
2) with 90 grams 1) in the compost made and the heat made in 10 grams of embodiments 1 melt bonding composite fibre A, stirring is mixed
Synthetic fibers compost, during be well mixed, do not form fiber block.
3) stirring is mixed into fiber compost to heat, forms fiber soil block, then with above-mentioned test and calculating side
Method, draw the related physical property and chemical characteristic of fiber compost for example comprehensive strength, quality, porosity, soil moisture content (water-holding capacity),
Acid-base value (pH value), electrical conductivity (EC) and cation exchange capacity (CEC) (CEC) etc..As a result count in table 3 below.
Implementation of an application example 2
1) bonding composite fibre B is melted with the heat made in the compost in 90 grams of implementation of an application example 1 and 10 grams of embodiments 2,
Stirring is mixed into fiber compost mixed process, can uniformly mix, and does not form fiber soil block.
2) stirring is mixed into fiber compost to heat, forms fiber soil block, then with above-mentioned test and calculating side
Method test fiber compost related physical property and chemical characteristic for example comprehensive strength, quality, porosity, soil moisture content (water-holding capacity),
Acid-base value (pH value), electrical conductivity (EC) and cation exchange capacity (CEC) (CEC), as a result count in table 3 below.
Implementation of an application example 3
1) with the heat made in the compost in 90 grams of implementation of an application example 1 and 5 grams of embodiments 3 melt bonding composite fibre A, 5
The heat made in gram embodiment 2 melts bonding composite fibre B, and stirring is mixed into fiber compost, can uniformly mix, without being formed
Fiber soil block.
2) stirring is mixed into fiber compost to heat, forms fiber soil block, but fiber soil block is easy to crush.
Again with above-mentioned test and the related physical property and chemical characteristic such as comprehensive strength, matter of computational methods test fiber compost
Ground, porosity, soil moisture content (water-holding capacity), acid-base value (pH value), electrical conductivity (EC) and cation exchange capacity (CEC) (CEC) etc..As a result count
In table 3.
Contrast application examples 1
Melt bonding composite fibre without heat, directly with the compost in 100 grams of application examples 1.
This fiber compost is heated, it is impossible to solidify to form bulk.Because the fiber soil for so being formed does not possess
The carried plasticity of invention, therefore do not measure its comprehensive strength, quality, porosity, soil moisture content (water-holding capacity), acid-base value (PH
Value), the physicochemical characteristics parameter such as electrical conductivity (EC) and cation exchange capacity (CEC) (CEC).As a result count in following table the 3rd.
Contrast application examples 2
1) with the heat made in the compost in 90 grams of implementation of an application example 1 and 5 grams of embodiments 3 melt bonding composite fibre A, 5
The heat made in gram embodiment 2 melts bonding composite fibre C, and stirring is mixed into fiber compost, can uniformly mix, without being formed
Fiber soil block.
2) stirring is mixed into fiber compost to heat, forms fiber soil block, but fiber soil block is easy to crush.
Again with above-mentioned test and the related physical property and chemical characteristic such as comprehensive strength, matter of computational methods test fiber compost
Ground, porosity, soil moisture content (water-holding capacity), acid-base value (pH value), electrical conductivity (EC) and cation exchange capacity (CEC) (CEC) etc..As a result count
Table 3.
Contrast application examples 3
1) with the heat made in the compost in 90 grams of implementation of an application example 1 and 5 grams of embodiments 3 melt bonding composite fibre A, 5
The heat made in gram embodiment 2 melts bonding composite fibre D, and stirring is mixed into fiber compost, can uniformly mix, without being formed
Fiber soil block.
2) stirring is mixed into fiber compost to heat, forms fiber soil block, but fiber soil block is easy to crush.
Again with above-mentioned test and the related physical property and chemical characteristic such as comprehensive strength, matter of computational methods test fiber compost
Ground, porosity, soil moisture content (water-holding capacity), acid-base value (pH value), electrical conductivity (EC) and cation exchange capacity (CEC) (CEC) etc..As a result count
Table the 3rd.
Contrast application examples 4
1) with the heat made in the compost in 85 grams of implementation of an application example 1 and 15 grams of embodiments 2 melt bonding composite fibre B and
Heat obtained in embodiment 1 is melted bonding composite fibre and is cut into 2mm, and stirring is mixed into fiber compost, and fiber is not during being stirred for
It can be uniformly dispersed, bar-shaped composite fibre block has been quickly formed between composite fibre.
2) stirring is mixed into fiber compost to heat, it is impossible to form uniform fiber soil block, comprehensive strength is not high.
As a result count in table 3 below.
Table 3
Note：The part generated in table is built soil and there is substantial amounts of fiber block or lamellar soil texture, in not meeting invention
The uniform and stable property of soil is built, the data of measurement can be occurred very big difference, are specifically defined by actual result with sampling.
For the influence degree to activated fibre soil structure of length and its ratio of clear and definite hot-melt prepreg machine, inventor couple
The viscose fibre of different length different proportion is studied.
Implementation of an application example 4
1) proportioning that the total amounts such as loess 30%, powder of straw 20%, peat soil 10%, perlite 40% are 100% is used first
Make compost.
2) with 90 grams 1) in the compost made and the heat made in 10 grams of embodiments 1 to melt bonding composite fibre (wherein fine
The length of dimension A is cut into 3mm, and the length of fiber B is cut into 15mm.Mass ratio is 1:1) stirring is mixed into fiber compost.Other steps
Suddenly with implementation of an application example 1, as a result count in table 4 below.
Implementation of an application example 5
1) proportioning that the total amounts such as loess 30%, powder of straw 20%, peat soil 10%, perlite 40% are 100% is used first
Make compost.
2) with 90 grams 1) in the compost made and the heat made in 10 grams of embodiments 1 to melt bonding composite fibre (wherein fine
The length of dimension A is cut into 3mm, and the length of fiber B is cut into 25mm.Ratio is 1:1) stirring is mixed into fiber compost.Other steps
With implementation of an application example 1, as a result count in table 4 below.
Implementation of an application example 6
1) proportioning that the total amounts such as loess 30%, powder of straw 20%, peat soil 10%, perlite 40% are 100% is used first
Make compost.
2) with 90 grams 1) in the compost made and the heat made in 10 grams of embodiments 1 to melt bonding composite fibre (wherein fine
The length of dimension A is cut into 8mm, and the length of fiber B is cut into 15mm.Ratio is 1:1) stirring is mixed into fiber compost.Other steps
With implementation of an application example 1, as a result count in table 4 below.
Implementation of an application example 7
1) proportioning that the total amounts such as loess 30%, powder of straw 20%, peat soil 10%, perlite 40% are 100% is used first
Make compost.
2) with 90 grams 1) in the compost made and the heat made in 10 grams of embodiments 1 to melt bonding composite fibre (wherein fine
The length of dimension A is cut into 8mm, and the length of fiber B is cut into 25mm.Mass ratio is 1:1) stirring is mixed into fiber compost.Other steps
Suddenly with implementation of an application example 1, as a result count in table 4 below.
Implementation of an application example 8
1) proportioning that the total amounts such as loess 30%, powder of straw 20%, peat soil 10%, perlite 40% are 100% is used first
Make compost.
2) with 90 grams 1) in the compost made and the heat made in 10 grams of embodiments 1 to melt bonding composite fibre (wherein fine
The length of dimension A is cut into 5mm, and the length of fiber B is cut into 20mm.Ratio is 2:3) stirring is mixed into fiber compost.Other steps
With implementation of an application example 1, as a result count in table 4 below.
Implementation of an application example 9
1) proportioning that the total amounts such as loess 30%, powder of straw 20%, peat soil 10%, perlite 40% are 100% is used first
Make compost.
2) with 90 grams 1) in the compost made and the heat made in 10 grams of embodiments 1 to melt bonding composite fibre (wherein fine
The length of dimension A is cut into 5mm, and the length of fiber B is cut into 20mm.Ratio is 3:2) stirring is mixed into fiber compost.Other steps
With implementation of an application example 1, as a result count in table 4 below.
Implementation of an application example 10
1) proportioning that the total amounts such as loess 30%, powder of straw 20%, peat soil 10%, perlite 40% are 100% is used first
Make compost.
2) with 90 grams 1) in the compost made and the heat made in 10 grams of embodiments 1 to melt bonding composite fibre (wherein fine
The length of dimension A is cut into 5mm, and the length of fiber B is cut into 20mm, and mass ratio is 1:5) stirring is mixed into fiber compost.Other steps
Suddenly with implementation of an application example 1, as a result count in table 4 below.
Implementation of an application example 11
1) proportioning that the total amounts such as loess 30%, powder of straw 20%, peat soil 10%, perlite 40% are 100% is used first
Make compost.
2) with 90 grams 1) in the compost made and the heat made in 10 grams of embodiments 1 to melt bonding composite fibre (wherein fine
The length of dimension A is cut into 5mm, and the length of fiber B is cut into 20mm.Ratio is 5:1) stirring is mixed into fiber compost.Other steps
With implementation of an application example 1, as a result count in table 4 below.
Contrast application examples 5
1) proportioning that the total amounts such as loess 30%, powder of straw 20%, peat soil 10%, perlite 40% are 100% is used first
Make compost.
2) with 90 grams 1) in the compost made and the heat made in 10 grams of embodiments 1 to melt bonding composite fibre (wherein fine
The length of dimension A is cut into 2mm, and the length of fiber B is cut into 28mm.Ratio is 1:1) stirring is mixed into fiber compost.Other steps
With implementation of an application example 1, as a result count in table 4 below.
Contrast application examples 6
1) proportioning that the total amounts such as loess 30%, powder of straw 20%, peat soil 10%, perlite 40% are 100% is used first
Make compost.
2) with 90 grams 1) in the compost made and the heat made in 10 grams of embodiments 1 to melt bonding composite fibre (wherein fine
The length of dimension A is cut into 9mm, and the length of fiber B is cut into 14mm.Ratio is 1:1) stirring is mixed into fiber compost.Other steps
With implementation of an application example 1, as a result count in table 4 below.
Table 4
Note：The part generated in table is built soil and there is substantial amounts of fiber block or lamellar soil texture, in not meeting invention
The uniform and stable property of soil is built, the data of measurement can be occurred very big difference, are specifically defined by actual result with sampling.By above-mentioned
Implementation of an application example and comparative example interpretation of result, it has been found that heat melts bonding composite fibre A and heat melts bonding composite fibre B mixing shapes
Into implementation of an application example in, can two kinds of heat melts the length of bonding composite fibre has very big to uniformly mix between compost
Effect, as fiber A length excessively 3mm, the bad dispersibility of fiber is easy to form fiber block.When the length of fiber B is spent
When greatly, more than 25mm, the stability of fiber is very poor, easily forms the structure of stratiform, is unfavorable for the growth of root system.From the fibre for being formed
From the point of view of the soil attribute of dimension soil, there is no essence but not in its difference, but the soil such as stability and hole of comprehensive cured fiber soil
From the point of view of the leading indicator of earth plantation, the length and ratio of fiber are limited the advantage that can preferably embody activated fibre soil.
In the implementation of an application example for melting bonding composite fibre without heat, it has been found that only during addition fiber B, or fiber compost is difficult
To become block, only during addition fiber A, by heating, though bulk can be solidify to form, also it is easy to crush, and hole
Less, (plant the most suitable growth porosity is more than 40%) is unfavorable for plant growth to porosity, and its range of application is also subject to the very day of one's doom
System.And the heat in the comparative example with the long 15mm of fiber melt bonding composite fibre and compost mix when, define diameter very big
Rod-like fibre block, heat melt bonding composite fibre it is dispersed excessively poor, it is difficult to and compost mix, so as to solidification cannot be formed
Fiber soil block.
The result of invention
The thermo-fusing bonding compound fiber mixture of the present invention, is very easy to dispersion after mixing with compost, will not produce rod
Shape or reunion shape fiber block, can not only realize rapidly and uniformly mixing, and can be formed strong water holding capacity, it is more high-strength
The cured fiber active soil of degree.Certainly, we can also with the addition of the water-loss reducers such as Sodium Polyacrylate to increase the water holding of compost
Property, but a kind of water-loss reducer of Sodium Polyacrylate is not limited to, for non-consumption plant variety, the use of water-loss reducer will
It is restricted, but has very big help to the demand of water to meeting different plants.Due to depositing for thermo-fusing bonding compound fiber
So that cured fiber soil has plasticity, can change its shape as desired by adjustment mould, it is often more important that fine
Dimension function of the soil with good planting soil, ventilated performance is compared with normal soil and water retention property is higher, and is difficult to receive
The factor of environment changes, and plant can grow well in this fiber soil.Certainly can also make of thermo-fusing bonding compound fiber
Into nursery cured fiber soil, this makes it possible to realize that seedling is inserted in the mechanization in nonirrigated farmland.The present invention's it is critical only that this hot melt is viscous
Two kinds of fibers of the 15-25mm a length of with fiber of a length of 3mm-8mm of fiber of knot composite fibre are in the temperature higher than 30 degree of its fusing point
Hot melting cohesion is rapidly and uniformly realized under degree, effectively prevents fiber block to be formed, binder fibre powder and dispersion training have been reached again
Effect of soil is supported, even also can smoothly use in the small container of such mixing shaping botanical seedling culturing, while to plant
Kind there is no restriction, be a kind of good soil forming and hardening auxiliary agent.
Claims (6)
1. a kind of heat that can melt with compost matrix organic phase melts bonding composite fibre, it is characterised in that be by length be 3-8mm
Double-component thermo-fusing bonding compound fiber A and length for 15-25mm double-component thermo-fusing bonding compound fiber B constitute；Double-component
It is to pass through frame mode of the composite spinning according to core-skin type by two kinds of thermoplastic polymer fibers that heat melts bonding composite fibre A or B
It is composited；Fusing point difference between two kinds of described thermoplastic polymer fibers is not less than 30 DEG C, and described double-component heat melts viscous
The fiber number of knot composite fibre A or B is 1.4～1.8dtex, and fiber regain is not higher than 10%, and elongation at break is not less than 15%；
The material of double-component thermo-fusing bonding compound fiber A and B can be identical or different.
2. heat according to claim 1 melts bonding composite fibre, it is characterised in that double-component heat melts viscose fibre A and double
It is 1～6 that component heat melts the mass ratio of viscose fibre B:1～6.
3. heat according to claim 2 melts bonding composite fibre, it is characterized in that, wherein double-component heat melt viscose fibre A and
It is 2～3 that double-component heat melts the mass ratio of viscose fibre B:2～3.
4. heat according to claim 1 melts bonding composite fibre, it is characterized in that, it is poly- that described thermoplastic polymer is selected from
Ester, polyamide, polyolefin or polyvinyl chloride.
5. heat according to claim 4 melts bonding composite fibre, it is characterised in that in described thermoplastic polymer extremely
It is few a kind of for polyester.
6. heat according to claim 1 melts bonding composite fibre, it is characterized in that, the table of the core-skin type of described composite fibre
The fusing point of musculus cutaneus layer thermoplastic polymer is 130 DEG C～400 DEG C.
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| CN108854161B (en) * | 2018-07-06 | 2021-07-13 | 长沙大山新材料有限公司 | Natural organic oil absorption body and preparation method thereof |
| CN109507397A (en) * | 2018-11-22 | 2019-03-22 | 淮安天然丝纺织科技有限公司 | A kind of thread-tension intensity, elongation detection method |
| CN109644824B (en) * | 2019-01-24 | 2021-09-24 | 重庆欣克尔智能科技有限公司 | Fiber culture soil for three-dimensional greening and preparation method thereof |
| CN111699945A (en) * | 2020-06-15 | 2020-09-25 | 长沙华脉新材料有限公司 | Porous composite material fused with soil-base matrix and preparation method thereof |
| CN112189534B (en) * | 2020-10-16 | 2022-08-12 | 中国农业科学院都市农业研究所 | Floating cultivation substrate |
| CN112273191B (en) * | 2020-10-16 | 2023-05-05 | 中国农业科学院都市农业研究所 | Preparation process of seedling substrate block and substrate block prepared by preparation process |
| CN112119870B (en) * | 2020-10-16 | 2022-07-29 | 中国农业科学院都市农业研究所 | Solidified matrix manufacturing device and process and solidified matrix manufactured by same |
| CN115226616A (en) * | 2022-08-24 | 2022-10-25 | 湖南垒土农业科技发展有限公司 | Early-maturing strawberry soilless culture method |
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| CN1136095A (en) * | 1995-05-11 | 1996-11-20 | 埃姆斯·英芬塔股份有限公司 | Method for producing polyester bi-component fibers and filaments, and fibers and filaments which can be produced thereby |
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