CN104387784B - A kind of lignocellulose composition, preparation method and applications - Google Patents
A kind of lignocellulose composition, preparation method and applications Download PDFInfo
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- CN104387784B CN104387784B CN201410570674.5A CN201410570674A CN104387784B CN 104387784 B CN104387784 B CN 104387784B CN 201410570674 A CN201410570674 A CN 201410570674A CN 104387784 B CN104387784 B CN 104387784B
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- leather
- lignocellulose composition
- lignocellulose
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- 239000000203 mixture Substances 0.000 title claims abstract description 70
- 238000002360 preparation method Methods 0.000 title description 16
- 239000010985 leather Substances 0.000 claims abstract description 52
- 235000006753 Platycodon grandiflorum Nutrition 0.000 claims abstract description 33
- 240000003582 Platycodon grandiflorus Species 0.000 claims abstract description 33
- 239000002023 wood Substances 0.000 claims abstract description 23
- 230000035699 permeability Effects 0.000 claims abstract description 18
- 238000000227 grinding Methods 0.000 claims abstract description 15
- 238000005507 spraying Methods 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 description 12
- 240000008042 Zea mays Species 0.000 description 12
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 12
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 12
- 235000005822 corn Nutrition 0.000 description 12
- 239000011521 glass Substances 0.000 description 10
- 241000675108 Citrus tangerina Species 0.000 description 6
- 229920002522 Wood fibre Polymers 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The present invention provides a kind of lignocellulose composition, it is characterised in that it includes wood chip, balloonflower root and shell, and the wood chip, balloonflower root and shell pass through ball mill grinding, and the fineness of the lignocellulose composition is more than 200 mesh.Compared with prior art, lignocellulose composition of the invention is added in artificial PU leather, the coefficient of expansion of artificial PU leather can be made to be less than 11%, tensile strength increase, peel strength is 2.7 3.6Kg/mm2, feel is more soft, and air permeability adds 22 25%.
Description
Technical field
The present invention relates to a kind of lignocellulose composition, preparation method and applications.
Background technology
Existing wood fibre is added in PU leather, because the coefficient of expansion is bigger, skewness during spraying so that system
The tensile strength and peel strength of the artificial PU leather obtained are undesirable, and pliability and air permeability are all inadequate, it is impossible to meet people
To the demand of high-quality artificial leather.
The content of the invention
In view of this, it is to be necessary that offer one kind can reduce the artificial PU leather coefficient of expansion, raising PU removes from office pliability and saturating
The lignocellulose composition of manner.
In addition, additionally provide the preparation method and applications of the lignocellulose composition.
A kind of lignocellulose composition, it includes wood chip, balloonflower root and shell, and the wood chip, balloonflower root and shell pass through
Ball mill grinding, the fineness of the lignocellulose composition are more than 200 mesh.
Preferably, the ratio of weight and number of the wood chip, balloonflower root and shell is (25-35):(10-20):(40-50).
Preferably, the balloonflower root is corn balloonflower root, cotton balloonflower root or their mixture.
Preferably, the whiteness of the lignocellulose composition is more than 83%.
A kind of preparation method of lignocellulose composition, it is characterised in that comprise the following steps:
1) it is that the shell of 25-35 part grating, the balloonflower root of parts by weight 10-20 parts crushing and parts by weight are to take parts by weight respectively
The wood chip of 40-50 parts, is mixed evenly;
2) mixture that step 1) obtains is heated with pipeline steam and be cooked, dried;
3) product that step 2) obtains is more than 200 mesh with ball mill grinding to fineness is carried out, obtains required wood fibre
Promotor composition.
Preferably, the ratio of weight and number of the wood chip, balloonflower root and shell is (25-35):(10-20):(40-50).
Preferably, the balloonflower root is corn balloonflower root, cotton balloonflower root or their mixture.
Preferably, the whiteness of the lignocellulose composition is more than 83%.
A kind of application of preceding claim lignocellulose composition, it is used to be added in artificial PU leather.
Preferably, the coefficient of expansion that with the addition of the artificial PU leather of lignocellulose composition is less than 11%, air permeability
For 6.0-6.5ml/m2My god, peel strength 2.7-3.6Kg/mm2。
Compared with prior art, lignocellulose composition of the invention is added in artificial PU leather, can make artificial PU
The coefficient of expansion of leather is less than 11%, and tensile strength increases, peel strength 2.7-3.6Kg/mm2, feel is more soft, air permeability
Add 22-25%.
Embodiment
The present invention is more specifically described in detail with reference to specific embodiment, but embodiments of the present invention are unlimited
In this, for especially not dated technological parameter, routine techniques progress can refer to.
A kind of preparation method of lignocellulose composition, it comprises the following steps:
1) it is that the shell of 25-35 part grating, the balloonflower root of parts by weight 10-20 parts crushing and parts by weight are to take parts by weight respectively
The wood chip of 40-50 parts, is mixed evenly;
2) mixture that step 1) obtains is heated with pipeline steam and be cooked, dried;
3) product that step 2) obtains is more than 200 mesh with ball mill grinding to fineness is carried out, obtains required wood fibre
Promotor composition.
Above-mentioned balloonflower root can be corn balloonflower root or cotton balloonflower root or their mixture.
The whiteness of lignocellulose composition obtained above is more than 83%, more than the whiteness 62-65% of wood chip.The present invention
Lignocellulose composition with the addition of the shell through crushing, allow to grind more during obtained lignocellulose composition ball milling
Carefully.When the percentage composition of shell is less than 45%, when being added in PU leather, the peel strength of obtained PU leather can be made reduce.
When the percentage composition of shell is less than 25%, no longer with gas permeability.
The lignocellulose composition obtained above of 30-40 part parts by weight is added in the PU leather of 100 parts by weight, spray
Apply and artificial PU leather finished product is made.Test learns that the coefficient of expansion of obtained PU leather reduces, respectively less than 11%.It is more equal during spraying
Even, the tensile strength and peel strength for making obtained PU leather increase, the peel strength about 2.2Kg/ of PU leather made from tradition
mm2, obtained PU leather peel strength is 2.7-3.6Kg/mm2.The feel of finished product is softer, and air permeability adds 22-25%.
It is more comfortable that the dress of the dress ornaments such as shoes is made, season reduction is exchanged in spring and autumn and wears generation humidity, and produces irritated sense, always
Body improves texture, and the product uses microchemistry environment-friendly type added material in process of production, but primary raw material is all natural life
Thing material, institute's product is energy-conserving and environment-protective, can be compared favourably with traditional skin based article.
Embodiment 1
A kind of preparation method of lignocellulose composition, it comprises the following steps:
1) shell of 30 parts by weight grating, the corn balloonflower root of 10 parts by weight of crushed, the cotton tangerine of 5 parts by weight of crushed are taken respectively
Stalk and 45 parts by weight wood chips, are mixed evenly;
2) mixture that step 1) obtains is heated with pipeline steam and be cooked, dried;
3) product that step 2) obtains is obtained into required lignocellulosic group with ball mill grinding is carried out to the mesh of fineness 300
Compound.
The lignocellulose composition obtained above of 30 parts by weight is added in the PU leather of 100 parts by weight, spraying system
Obtain artificial PU leather finished product.
Measure, the coefficient of expansion of obtained PU leather is 9%, tensile strength increase by 30%, strength of glass 3.5Kg/mm2,
Air permeability increase by 25%.
Embodiment 2
A kind of preparation method of lignocellulose composition, it comprises the following steps:
1) shell of 25 parts by weight grating, the corn balloonflower root of 5 parts by weight of crushed, the cotton tangerine of 15 parts by weight of crushed are taken respectively
Stalk and 50 parts by weight wood chips, are mixed evenly;
2) mixture that step 1) obtains is heated with pipeline steam and be cooked, dried;
3) product that step 2) obtains is obtained into required lignocellulosic group with ball mill grinding is carried out to the mesh of fineness 220
Compound.
The lignocellulose composition obtained above of 32 parts by weight is added in the PU leather of 100 parts by weight, spraying system
Obtain artificial PU leather finished product.
Measure, the coefficient of expansion of obtained PU leather is 11%, tensile strength increase by 15%, strength of glass 2.7Kg/mm2,
Air permeability increase by 22%.
Embodiment 3
A kind of preparation method of lignocellulose composition, it comprises the following steps:
1) shell of 28 parts by weight grating, the corn balloonflower root of 5 parts by weight of crushed, the cotton tangerine of 5 parts by weight of crushed are taken respectively
Stalk and 40 parts by weight wood chips, are mixed evenly;
2) mixture that step 1) obtains is heated with pipeline steam and be cooked, dried;
3) product that step 2) obtains is obtained into required lignocellulosic group with ball mill grinding is carried out to the mesh of fineness 250
Compound.
The lignocellulose composition obtained above of 35 parts by weight is added in the PU leather of 100 parts by weight, spraying system
Obtain artificial PU leather finished product.
Measure, the coefficient of expansion of obtained PU leather is 10.8%, tensile strength increase by 20%, strength of glass 3.0Kg/
mm2, air permeability increase by 23%.
Embodiment 4
A kind of preparation method of lignocellulose composition, it comprises the following steps:
1) shell of 32 parts by weight grating, the corn balloonflower root of 20 parts by weight of crushed and 43 parts by weight wood chips are taken respectively, are mixed
Stir;
2) mixture that step 1) obtains is heated with pipeline steam and be cooked, dried;
3) product that step 2) obtains is obtained into required lignocellulosic group with ball mill grinding is carried out to the mesh of fineness 250
Compound.
The lignocellulose composition obtained above of 38 parts by weight is added in the PU leather of 100 parts by weight, spraying system
Obtain artificial PU leather finished product.
Measure, the coefficient of expansion of obtained PU leather is 10.5%, tensile strength increase by 24%, strength of glass 3.2Kg/
mm2, air permeability increase by 23.5%.
Embodiment 5
A kind of preparation method of lignocellulose composition, it comprises the following steps:
1) shell of 35 parts by weight grating, the cotton balloonflower root of 20 parts by weight of crushed and 43 parts by weight wood chips are taken respectively, are mixed
Stir;
2) mixture that step 1) obtains is heated with pipeline steam and be cooked, dried;
3) product that step 2) obtains is obtained into required lignocellulosic group with ball mill grinding is carried out to the mesh of fineness 270
Compound.
The lignocellulose composition obtained above of 40 parts by weight is added in the PU leather of 100 parts by weight, spraying system
Obtain artificial PU leather finished product.
Measure, the coefficient of expansion of obtained PU leather is 9.8%, tensile strength increase by 28%, strength of glass 3.6Kg/
mm2, air permeability increase by 23.8%.
Embodiment 6
A kind of preparation method of lignocellulose composition, it comprises the following steps:
1) shell of 33 parts by weight grating, the corn balloonflower root of 10 parts by weight of crushed, the cotton of 10 parts by weight of crushed are taken respectively
Balloonflower root and 50 parts by weight wood chips, are mixed evenly;
2) mixture that step 1) obtains is heated with pipeline steam and be cooked, dried;
3) product that step 2) obtains is obtained into required lignocellulosic group with ball mill grinding is carried out to the mesh of fineness 290
Compound.
The lignocellulose composition obtained above of 33 parts by weight is added in the PU leather of 100 parts by weight, spraying system
Obtain artificial PU leather finished product.
Measure, the coefficient of expansion of obtained PU leather is 10.5%, tensile strength increase by 24%, strength of glass 3.0Kg/
mm2, air permeability increase by 24%.
Embodiment 7
A kind of preparation method of lignocellulose composition, it comprises the following steps:
1) shell of 29 parts by weight grating, the corn balloonflower root of 15 parts by weight of crushed, the cotton tangerine of 5 parts by weight of crushed are taken respectively
Stalk and 44 parts by weight wood chips, are mixed evenly;
2) mixture that step 1) obtains is heated with pipeline steam and be cooked, dried;
3) product that step 2) obtains is obtained into required lignocellulosic group with ball mill grinding is carried out to the mesh of fineness 350
Compound.
The lignocellulose composition obtained above of 38 parts by weight is added in the PU leather of 100 parts by weight, spraying system
Obtain artificial PU leather finished product.
Measure, the coefficient of expansion of obtained PU leather is 10.2%, tensile strength increase by 18%, strength of glass 2.9Kg/
mm2, air permeability increase by 23%.
Embodiment 8
A kind of preparation method of lignocellulose composition, it comprises the following steps:
1) shell of 31 parts by weight grating, the corn balloonflower root of 13 parts by weight of crushed, the cotton tangerine of 6 parts by weight of crushed are taken respectively
Stalk and 49 parts by weight wood chips, are mixed evenly;
2) mixture that step 1) obtains is heated with pipeline steam and be cooked, dried;
3) product that step 2) obtains is obtained into required lignocellulosic group with ball mill grinding is carried out to the mesh of fineness 320
Compound.
The lignocellulose composition obtained above of 37 parts by weight is added in the PU leather of 100 parts by weight, spraying system
Obtain artificial PU leather finished product.
Measure, the coefficient of expansion of obtained PU leather is 11%, tensile strength increase by 22%, strength of glass 3.1Kg/mm2,
Air permeability increase by 22.5%.
Embodiment 9
A kind of preparation method of lignocellulose composition, it comprises the following steps:
1) shell of 34 parts by weight grating, the corn balloonflower root of 3 parts by weight of crushed, the cotton tangerine of 15 parts by weight of crushed are taken respectively
Stalk and 48 parts by weight wood chips, are mixed evenly;
2) mixture that step 1) obtains is heated with pipeline steam and be cooked, dried;
3) product that step 2) obtains is obtained into required lignocellulosic group with ball mill grinding is carried out to the mesh of fineness 340
Compound.
The lignocellulose composition obtained above of 32 parts by weight is added in the PU leather of 100 parts by weight, spraying system
Obtain artificial PU leather finished product.
Measure, the coefficient of expansion of obtained PU leather is 10%, tensile strength increase by 20%, strength of glass 2.8Kg/mm2,
Air permeability increase by 22%.
Embodiment 10
A kind of preparation method of lignocellulose composition, it comprises the following steps:
1) shell of 33 parts by weight grating, the corn balloonflower root of 10 parts by weight of crushed, the cotton of 10 parts by weight of crushed are taken respectively
Balloonflower root and 47 parts by weight wood chips, are mixed evenly;
2) mixture that step 1) obtains is heated with pipeline steam and be cooked, dried;
3) product that step 2) obtains is obtained into required lignocellulosic group with ball mill grinding is carried out to the mesh of fineness 310
Compound.
The lignocellulose composition obtained above of 39 parts by weight is added in the PU leather of 100 parts by weight, spraying system
Obtain artificial PU leather finished product.
Measure, the coefficient of expansion of obtained PU leather is 9.5%, tensile strength increase by 28%, strength of glass 3.4Kg/
mm2, air permeability increase by 24.8%.
The invention is not limited in above-mentioned embodiment, if the various changes or deformation to the present invention do not depart from the present invention
Spirit and scope, if these changes and deformation belong within the scope of the claim or equivalent technologies of the present invention, then this hair
It is bright to be also intended to comprising these changes and deformation.
Claims (4)
1. a kind of application of lignocellulose composition, it is characterised in that the lignocellulose composition is used to be added to people
Make in PU leather, the lignocellulose composition includes wood chip, balloonflower root and shell, and the wood chip, balloonflower root and shell pass through ball
It is milled broken, the fineness of the lignocellulose composition is more than 200 mesh, and the ratio of weight and number of the wood chip, balloonflower root and shell is
(25-35):(10-20):(40-50), the coefficient of expansion that with the addition of the artificial PU leather of lignocellulose composition are less than
11%, air permeability 6.0-6.5ml/m2My god, peel strength 2.7-3.6Kg/mm2。
2. the application of lignocellulose composition according to claim 1, it is characterised in that the lignocellulosic combination
The whiteness of thing is more than 83%.
3. a kind of application process of lignocellulose composition, it is characterised in that comprise the following steps:
1) it is that the shell of 25-35 part grating, the balloonflower root of parts by weight 10-20 parts crushing and parts by weight are 40-50 to take parts by weight respectively
The wood chip of part, is mixed evenly;
2) mixture that step 1) obtains is heated with pipeline steam and be cooked, dried;
3) product that step 2) obtains is more than 200 mesh with ball mill grinding to fineness is carried out, obtains required lignocellulosic group
Compound;
4) product for obtaining step 3) is added in artificial PU leather, and artificial PU leather finished product is made in spraying, wherein the artificial PU
The coefficient of expansion of leather is less than 11%, air permeability 6.0-6.5ml/m2My god, peel strength 2.7-3.6Kg/mm2。
4. the application process of lignocellulose composition according to claim 3, it is characterised in that the lignocellulosic
The whiteness of composition is more than 83%.
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CN101407997A (en) * | 2008-11-14 | 2009-04-15 | 温州大学 | Nano pulp for producing nano synthetic leather base by wet method and wet method process thereof |
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CN1129254A (en) * | 1995-02-17 | 1996-08-21 | 周道陆 | Composite granulated substratum for edible (medicinal) mushroom series |
CN100590140C (en) * | 2007-06-26 | 2010-02-17 | 华南理工大学 | Method for preparing plastic biologic packing material of even adulterated powder |
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Patent Citations (6)
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CN101260619A (en) * | 2007-12-20 | 2008-09-10 | 福建省南平金月合成革有限公司 | Method for processing island ultra-thin fiber high-density needling non-woven fabrics emulation leather |
CN101363193A (en) * | 2008-10-07 | 2009-02-11 | 安徽安利合成革股份有限公司 | Method of preparing imitating super-fiber synthetic leather |
CN101407997A (en) * | 2008-11-14 | 2009-04-15 | 温州大学 | Nano pulp for producing nano synthetic leather base by wet method and wet method process thereof |
CN101665624A (en) * | 2009-09-28 | 2010-03-10 | 林远才 | Superfine wood fiber powder as well as preparation method thereof and application thereof |
CN102953270A (en) * | 2012-11-05 | 2013-03-06 | 淮安凯悦科技开发有限公司 | Convex pattern liquid crystal surface synthetic leather manufacturing method |
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