CN106192217A - Plant base biodegradable non-woven fabrics and manufacture method thereof - Google Patents
Plant base biodegradable non-woven fabrics and manufacture method thereof Download PDFInfo
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- CN106192217A CN106192217A CN201610579111.1A CN201610579111A CN106192217A CN 106192217 A CN106192217 A CN 106192217A CN 201610579111 A CN201610579111 A CN 201610579111A CN 106192217 A CN106192217 A CN 106192217A
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- plant base
- woven fabrics
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- coupling agent
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained by reactions only involving carbon-to-carbon unsaturated bonds as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/007—Addition polymers
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/009—Condensation or reaction polymers
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/009—Condensation or reaction polymers
- D04H3/011—Polyesters
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
The invention discloses a kind of plant base biodegradable non-woven fabrics, it includes biodegradable polymer 40～80 parts；Plant base powder 20～50 parts；Plasticizer 3～8 parts；Coupling agent 1～3 parts；Stabilizer 0.5～3 parts；Lubricant 1～5 parts.The plant base biodegradable non-woven fabrics that invention realizes uses inexpensive plant base powder to be blended with the material of other biological degradable polymer, the product prepared not only has the flexility of good elasticity, mechanical strength and cloth, and cost can be greatly reduced, also there is compared with conventional polypropylene non-woven fabrics more excellent environment friendly.
Description
Technical field
The present invention relates to non-woven fabrics field, particularly relate to a kind of plant base biodegradable non-woven fabrics and preparation method thereof.
Background technology
Non-woven fabrics (English name: Non Woven Fabric) is to be made up of that orient or random fiber, is a new generation's ring
Protect material, there is protection against the tide, ventilative, pliable and tough, light weight, decomposition the most combustion-supporting, easy, nontoxic nonirritant, rich color, price low
The feature such as use again honest and clean, capable of circulation, is widely used in diaper, operating coat, shopping bag, garment accessories and disposable everyday articles
Deng numerous areas.
Due to the application with low cost and extensive of non-woven fabrics and be used for disposable products, therefore people are to non-woven cloth products
Disposable processing mode is usually taken.But much the most most of non-woven fabrics are by polypropylene, polypropylene fiber silk raw material system
Become, if discarded non-woven fabrics burning mode is processed, air pollution can be caused；Landfill disposal is used then to go up a century
It is difficult to decomposition and causes Soil Environmental Pollution.
The Chinese patent of Application No. 201310067606.2 discloses a kind of bio-based non-woven fabrics, described bio-based nonwoven
The each component of cloth proportioning according to the mass fraction is: polypropylene 30～60；Starch 25～55；Plasticizer 5～10；Polypropylene flowing helps
Agent 0.5～2；Filler 0.5～5.Although the starch used in this invention can make polypropylene modified material disintegrate become to a certain extent
Fragment, the filler such as Pulvis Talci, Muscovitum decreases polyacrylic consumption to a certain extent, reduces the purpose of cost, but by
It is much higher than starch, so actually this product still can not be dropped by compost naturally in spunbond polypropylene dedicated material proportion
Solve.Accordingly, it would be desirable to a kind of real eco-friendly non-woven cloth products of exploitation.
Summary of the invention
An object of the present invention be the plant base biodegradable that a kind of energy-saving low-carbon compostable is provided without
Spin cloth.
The technical scheme realizing the object of the invention one is, a kind of plant base biodegradable non-woven fabrics, it includes following group
Point:
Biodegradable polymer 40～80 parts；
Plant base powder 20～50 parts；
Plasticizer 3～8 parts；
Coupling agent 1～3 parts；
Stabilizer 0.5～3 parts；
Lubricant 1～5 parts；
Wherein, the one during described plasticizer is epoxy soybean oil, glycerol, naphthenic rubber oil, white mineral oil, synthesis vegetable butter
Or its combination in any；
Described coupling agent is the one in aluminum titanate coupling agent, boric acid fat coupling agent, silane coupler, hard acid fat or it is any
Combination；
Described stabilizer be the one in zinc stearate, calcium stearate, stearic acid stannum, stearate, calcium stearate zinc or its
Meaning combination；
Described lubricant is paraffin, the one of poly-alkene wax or its combination in any.
Preferably, described plant base powder be corn starch, tapioca, potato starch, wheaten starch, wood powder,
One in bamboo powder or its combination in any.
Preferably, described biodegradable polymer is poly-lactone, polylactic acid, polyvinyl alcohol, PGA, poly-fourth
Succinate adipate, carbon dioxide/epoxy propane copolymer, carbon dioxide/ethylene oxide copolymer, poly-3-hydroxybutyrate fat,
Poly butyric/valerate, the one of (succinic acid/adipic acid/butanediol ester) copolymer or its combination in any.
Preferably, also including the color masterbatch for toning in described component, described color masterbatch consumption is 1～3 part, Muscovitum
Material makes the visual effect of plant base biodegradable non-woven fabrics more preferably, and color is more rich and varied.
The present invention uses coupling agent to make plant base powder hydrophilic become hydrophobicity, thus eliminates and be polymerized with biodegradable
The polarity difference of thing；Use plasticizer to make plant base powder have thermoplasticity, thus improve plant base powder and biodegradable
The compatibility of polymer；Use stabilizer can slow down the physical reactions of plant base powder, keep chemical equilibrium, reduce surface and open
Power prevents from thermally decomposing too early or oxidation Decomposition；Make with lubricator to improve plasticity and the melt flow rate (MFR) of plant base powder, mould
Change effective.The plant base biodegradable non-woven fabrics that goal of the invention one realizes uses inexpensive plant base powder and other biological
The material of degradable polymer is blended, and the product prepared not only has the flexility of good elasticity, mechanical strength and cloth,
And cost can be greatly reduced, also there is compared with conventional polypropylene non-woven fabrics more excellent environment friendly.
The two of the purpose of the present invention are to provide the preparation method of above-mentioned plant base biodegradable non-woven fabrics.
The technical scheme realizing the object of the invention two is, the manufacture method of a kind of plant base biodegradable non-woven fabrics, its
Comprise the steps:
(1) plant base powder, coupling agent, plasticizer, stabilizer and lubricant are put into high mixer group to be blended, temperature 100～
120 DEG C, after high mixed 9～11 minutes, put into lubricant, stabilizer mixing；
(2) mixture of step (1) gained is put in cold mixer group, add biodegradable polymer and carry out cold mixed, cold mixed 9
～take out after 11 minutes；
(3) material is made in the mixture addition twin screw pelletize preparation of step (2) gained and obtain pellet；
(4) by the pellet acquired by step (3), put in melt spraying non-woven fabrics list screw apparatus through melt extruding, fiber is formed, fine
Dimension extrusion, one-tenth net, finally reinforce into non-woven fabrics.
Beneficial effects of the present invention is as follows:
(1) raw material of the plant base powder of plant base biodegradable non-woven fabrics is mostly derived from sunlight and carbon dioxide as the energy
And the Renewable resource of carbon source, whole production process is the process of living things catalysis, does not cause environmental pollution, discarded after can be by
Generation carbon dioxide and water are decomposed in the microorganism of nature completely, not to soil and air born pollution, therefore use plant base
Biodegradable non-woven fabrics can significantly reduce the discharge of GHG carbon dioxide, discarded after can safe burning disposal, row
Carbon dioxide is not produced after putting.Relative to traditional non-woven cloth, 1 ton of biodegradable non-woven fabric can save more than 3 tons petroleum resources,
Reduce by 3.1 tons of CO2 emissions, meet energy-conservation, low-carbon (LC), environmental protection concept, for environmental friendly product.
(2) inexpensive plant base powder is used prepared plant base to be blended with the material of other biological degradable polymer
Biodegradable non-woven fabrics, compares with other biological degradable polymer and has obvious price advantage.
The plant base biodegradable non-woven fabrics prepared possesses the flexility of good elasticity, mechanical strength and cloth.
Detailed description of the invention
Hereinafter present pre-ferred embodiments is described in detail.
In the embodiment of the present invention, the source of each component is as follows:
Changchun, corn starch Jilin great achievement Industrial Co., Ltd.
Honeydew garden, tapioca Nanjing sugar industry company limited
Wheaten starch Jinan Xing Sendianliao Science and Technology Ltd.
Polylactic acid Zhejiang Hisun Biomaterials Co., Ltd
The light company limited in Tonghua of polyvinyl alcohol Huzhou China
Poly-lactone Shenzhen brilliance great achievement limited company
Poly butylene succinate Hangzhou Xinfu Pharmaceutical Co., Ltd., Zhejiang
PGA Suzhou An Gu Nono-material Science & Technology Ltd.
Epoxy soybean oil Jinan Jin Bang Environmental Protection Technology Co., Ltd
Glycerol Shandong Run Long oils and fats company limited
White mineral oil Shanghai Joule Wax Industry Co., Ltd
Naphthenic rubber oil, aluminum titanate coupling agent, boric acid fat coupling agent, silane coupler, zinc stearate, calcium stearate zinc
And stearate Fujian Yuan Ke new material company
Paraffin, poly-alkene wax Beijing Ji and Science and Technology Development Center
Embodiment 1-embodiment 6
The invention provides a kind of plant base biodegradable non-woven fabrics, it is by biodegradable polymer, plant base powder, increasing
Mould agent, coupling agent, stabilizer and lubricant composition.Wherein said each composition and consumption are as shown in Table 1.
Table one
The manufacture method of above-mentioned plant base biodegradable non-woven fabrics comprises the steps:
(1) plant base powder, coupling agent, plasticizer, stabilizer and lubricant are put into high mixer group to be blended, temperature 100～
120 DEG C, after high mixed 9～11 minutes, put into lubricant, stabilizer mixing；
(2) mixture of step (1) gained is put in cold mixer group, add biodegradable polymer and carry out cold mixed, cold mixed 9
～take out after 11 minutes；
(3) material is made in the mixture addition twin screw pelletize preparation of step (2) gained and obtain pellet；
(4) by the pellet acquired by step (3), put in melt spraying non-woven fabrics list screw apparatus through melt extruding, fiber is formed, fine
Dimension extrusion, one-tenth net, finally reinforce into non-woven fabrics.
Parameter in embodiment 1-5 preparation process is as shown in Table 2:
Table two
Owing to starch contains substantial amounts of polarity group-OH, therefore with the poor compatibility of non-polar polymer, starch is carried out hydrophobic
Process is to improve the mixture material compatibility and the key of mechanical property.The present invention uses silane coupler, aluminum metatitanic acid fat coupling
Agent or other coupling agents carry out esterification modification to starch, the polar group of coupling agent and the polar group hydroxyl effect of starch, reach
To the polarity difference eliminated between starch and the such as poly-lactone of synthetic polymer, improve the hydrophobicity of starch, and then raising is formed sediment
Powder and the compatibility of biodegradable polymer carrier.
Owing to native starch is polyol, between its neighboring molecule, often form microstructure with interaction of hydrogen bond
Whole grain so that the rigidity of native starch particles the most by force be difficult to pulverize, therefore starch in resin the most in granular form
Existing, the configuration of its blend is single-phase continuous structure.By starch and plasticizer and stabilizer, lubricant in mixed at high speed
Machine high speed mixes, and then in double screw extruder plasticizing extrusion, utilizes high shear force and the high temperature of twin-screw extrusion compression section
Destroy the crystallite of starch so that it is macromole is unordered shape linear array, so that starch is provided with the performance of thermoplasticity processing.
By plant base powder, coupling agent, plasticizer, steady in the manufacture method of plant base biodegradable non-woven fabrics of the present invention
Determine agent and lubricant put into high mixer group and is blended, it is therefore an objective to starch is modified, if high mixed temperature is the lowest, the response time too
Short all can causing reacts insufficient, it is impossible to realize starch conversion, and temperature is the highest, response time oversize meeting causes raw material active substance
Loss or rotten, reduces properties of product, and energy consumption is big.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
The equivalent flow process conversion that bright description is made, or directly or indirectly it is used in other relevant technical fields, the most in like manner wrap
Include in the scope of patent protection of the present invention.
Claims (5)
1. a plant base biodegradable non-woven fabrics, it is characterised in that it includes following components:
Biodegradable polymer 40～70 parts；
Plant base powder 20～50 parts；
Plasticizer 2.5～5 parts；
Coupling agent 1～3 parts；
Stabilizer 0.5～3 parts；
Lubricant 1～5 parts；
Wherein, the one during described plasticizer is epoxy soybean oil, glycerol, naphthenic rubber oil, white mineral oil, synthesis vegetable butter
Or its combination in any；
Described coupling agent is the one in aluminum titanate coupling agent, boric acid fat coupling agent, silane coupler, hard acid fat or it is any
Combination；
Described stabilizer be the one in zinc stearate, calcium stearate, stearic acid stannum, stearate, calcium stearate zinc or its
Meaning combination；
Described lubricant is paraffin, the one of poly-alkene wax or its combination in any.
Plant base biodegradable non-woven fabrics the most according to claim 1, it is characterised in that: described plant base powder is
One in corn starch, tapioca, potato starch, wheaten starch, wood powder, bamboo powder or its combination in any.
Plant base biodegradable non-woven fabrics the most according to claim 1, it is characterised in that: described biodegradable poly
Compound is poly-lactone, polylactic acid, polyvinyl alcohol, PGA, and poly butylene succinate, carbon dioxide/expoxy propane are common
Polymers, carbon dioxide/ethylene oxide copolymer, poly-3-hydroxybutyrate fat, poly butyric/valerate, (succinic acid/two
Acid/butanediol ester) one of copolymer or its combination in any.
4. according to the plant base biodegradable non-woven fabrics described in any one of claims 1 to 3, it is characterised in that: described component
In also include for toning color masterbatch, described color masterbatch consumption is 1～3 part.
5. the manufacture method of the plant base biodegradable non-woven fabrics that a kind is prepared described in claim 1, it is characterised in that: include
Following steps:
(1) plant base powder, coupling agent, plasticizer, stabilizer and lubricant are put into high mixer group to be blended, temperature 100～
120 DEG C, after high mixed 9～11 minutes, put into lubricant, stabilizer mixing；
(2) mixture of step (1) gained is put in cold mixer group, add biodegradable polymer and carry out cold mixed, cold mixed 9
～take out after 11 minutes；
(3) material is made in the mixture addition twin screw pelletize preparation of step (2) gained and obtain pellet；
(4) by the pellet acquired by step (3), put in melt spraying non-woven fabrics list screw apparatus through melt extruding, fiber is formed, fine
Dimension extrusion, one-tenth net, finally reinforce into non-woven fabrics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610579111.1A CN106192217A (en) | 2016-07-22 | 2016-07-22 | Plant base biodegradable non-woven fabrics and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610579111.1A CN106192217A (en) | 2016-07-22 | 2016-07-22 | Plant base biodegradable non-woven fabrics and manufacture method thereof |
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| CN201610579111.1A Pending CN106192217A (en) | 2016-07-22 | 2016-07-22 | Plant base biodegradable non-woven fabrics and manufacture method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108076905A (en) * | 2017-12-18 | 2018-05-29 | 杭州之江园林绿化艺术有限公司 | A kind of degradable cultivating container preparation process of shrub seedling |
| CN108823796A (en) * | 2018-07-24 | 2018-11-16 | 宁波蒙曼生物科技有限公司 | A kind of biodegradable non-woven fabric and preparation method thereof |
| CN110042497A (en) * | 2019-05-09 | 2019-07-23 | 江苏恒宇纺织集团有限公司 | A kind of degradable high-elasticity fiber and preparation method thereof |
| CN110644139A (en) * | 2019-09-29 | 2020-01-03 | 浙江宝仁和中科技有限公司 | Degradable non-woven fabric and production process thereof |
| CN111793252A (en) * | 2019-04-22 | 2020-10-20 | 卢定华 | Processing technology of biomass-based composite material for non-woven fabric |
| CN111945293A (en) * | 2020-08-18 | 2020-11-17 | 江苏金材科技有限公司 | Preparation method of PVC melt-blown fabric |
| CN113526670A (en) * | 2021-08-19 | 2021-10-22 | 浙江沃乐环境科技有限公司 | Water treatment filler composition, filler device and application thereof |
| CN113802270A (en) * | 2021-09-06 | 2021-12-17 | 佛山市意创纺织有限公司 | Manufacturing method for degradable plant raw material non-woven fabric production |
| CN114481634A (en) * | 2022-01-29 | 2022-05-13 | 贵州省材料产业技术研究院 | Degradable silicone rubber film and preparation method thereof |
| CN114921871A (en) * | 2022-07-20 | 2022-08-19 | 北京小鹿科技有限公司 | Non-woven fabric formula and paper diaper using non-woven fabric |
| CN115110316A (en) * | 2022-04-24 | 2022-09-27 | 山东恒鹏卫生用品有限公司 | Degradable non-woven fabric and preparation process thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108076905A (en) * | 2017-12-18 | 2018-05-29 | 杭州之江园林绿化艺术有限公司 | A kind of degradable cultivating container preparation process of shrub seedling |
| CN108823796A (en) * | 2018-07-24 | 2018-11-16 | 宁波蒙曼生物科技有限公司 | A kind of biodegradable non-woven fabric and preparation method thereof |
| CN111808334B (en) * | 2019-04-22 | 2023-08-04 | 保定高新区生物基新材料有限公司 | Processing technology of biomass-based composite material for non-woven fabric with high degradability |
| CN111793252A (en) * | 2019-04-22 | 2020-10-20 | 卢定华 | Processing technology of biomass-based composite material for non-woven fabric |
| CN111808334A (en) * | 2019-04-22 | 2020-10-23 | 卢定华 | Processing technology of biomass-based composite material with high degradability for non-woven fabric |
| CN110042497A (en) * | 2019-05-09 | 2019-07-23 | 江苏恒宇纺织集团有限公司 | A kind of degradable high-elasticity fiber and preparation method thereof |
| CN110644139A (en) * | 2019-09-29 | 2020-01-03 | 浙江宝仁和中科技有限公司 | Degradable non-woven fabric and production process thereof |
| CN111945293A (en) * | 2020-08-18 | 2020-11-17 | 江苏金材科技有限公司 | Preparation method of PVC melt-blown fabric |
| CN111945293B (en) * | 2020-08-18 | 2022-08-16 | 江苏金材科技有限公司 | Preparation method of PVC melt-blown fabric |
| CN113526670A (en) * | 2021-08-19 | 2021-10-22 | 浙江沃乐环境科技有限公司 | Water treatment filler composition, filler device and application thereof |
| CN113802270A (en) * | 2021-09-06 | 2021-12-17 | 佛山市意创纺织有限公司 | Manufacturing method for degradable plant raw material non-woven fabric production |
| CN114481634A (en) * | 2022-01-29 | 2022-05-13 | 贵州省材料产业技术研究院 | Degradable silicone rubber film and preparation method thereof |
| CN115110316A (en) * | 2022-04-24 | 2022-09-27 | 山东恒鹏卫生用品有限公司 | Degradable non-woven fabric and preparation process thereof |
| CN114921871A (en) * | 2022-07-20 | 2022-08-19 | 北京小鹿科技有限公司 | Non-woven fabric formula and paper diaper using non-woven fabric |
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Application publication date: 20161207 |