CN107059159A - A kind of preparation method of anti-aging shading screen cloth - Google Patents
A kind of preparation method of anti-aging shading screen cloth Download PDFInfo
- Publication number
- CN107059159A CN107059159A CN201710356302.6A CN201710356302A CN107059159A CN 107059159 A CN107059159 A CN 107059159A CN 201710356302 A CN201710356302 A CN 201710356302A CN 107059159 A CN107059159 A CN 107059159A
- Authority
- CN
- China
- Prior art keywords
- screen cloth
- aging
- preparation
- shading screen
- shading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- D01F8/16—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds as constituent
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/181—Acids containing aromatic rings
- C08G63/183—Terephthalic acids
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
- C08G63/86—Germanium, antimony, or compounds thereof
- C08G63/866—Antimony or compounds thereof
-
- 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
- D01F1/106—Radiation shielding agents, e.g. absorbing, reflecting agents
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a kind of preparation method of anti-aging shading screen cloth, nanoscale UV absorption additive is prepared into tyrosine, benzotriazole compound, chitosan derivative, nano-zinc oxide powder blending first, with polyurethanes after being handled through hydrophilic modifying, terephthalic acid (TPA) methyl esters, ethylene glycol react synthesis composite high-molecular fiber in the presence of catalyst trichloride antimony；In preparation process, pass through nano modification and the hydrophilicity of the dual enhancing ultra-violet absorber of hydrophilic modifying, so as to which cospinning preferably is blended with other raw materials in the preparation process of follow-up macromolecular fibre, composite high-molecular fiber prepared by the present invention possesses good anti-ultraviolet property, as shading screen cloth preparing raw material main material when, avoid the addition of other volatile migration small molecule ultraviolet absorbers, finished chemical performance is stable, it is not susceptible to migration volatilization, with lasting uvioresistant absorbent properties and shading performance, service life is strong, it is ageing-resistant, it is corrosion-resistant.
Description
Technical field
The present invention relates to the preparation field of shading screen cloth, more particularly to a kind of preparation method of anti-aging shading screen cloth.
Background technology
Sunshade net is also known as shading net, is a kind of state-of-the art agriculture, fishing, animal husbandry, windproof, blinding for promoting over nearly more than 10 year etc.
Special protection covering material.Summer covering after play a part of it is a kind of be in the light, keep off the rain, moisturizing, cooling.After winter-spring season covering also
There is certain thermal insulation wetting effect.It is mainly used in the crops such as vegetables, mushroom, flowers, edible mushroom, nursery stock, medicinal material, ginseng, ganoderma lucidum
Protectiveness cultivation and aquatic products poultry farming etc., have obvious effect to improving yield etc..
Traditional sunshade net is to use polyethylene, and high density polyethylene (HDPE), PE, PB, PVC, reclaimed materials, brand-new material etc. are former material
Material, is prepared from through ultra-violet stabilizer and anti-oxidation processing, with stretching resistance is strong, ageing-resistant, corrosion-resistant, radiation hardness, light
The features such as.Actually traditional sunshade net prepares the ability that main material fiber not has uvioresistant, is by ultraviolet radiation absorption
The effect of shading is can be only achieved in the presence of agent or stabilizer, the way of this simple addition ultra-violet absorber generally has one
The drawbacks of determining, many ultraviolet-resistant absorbents such as benzophenone compound belongs to the organic matter of small molecule, easily volatilizees
The problem of with migration, so as to cause the shading screen cloth being prepared into uvioresistant ability and light shielding ability reduction during use
It is very fast, so as to have impact on its service life, easily occur aging.
If can set about being studied on main material fiber from preparing for sunshade net, it is prepared into a kind of inherently with uvioresistant
The composite high-molecular fiber of absorbability will solve the above problems.
The content of the invention
Goal of the invention：In order to solve the problems of in the prior art, the present invention proposes a kind of with excellent anti-
Ultraviolet function, stable chemical performance, service life is long, the preparation side of the anti-aging shading screen cloth with lasting shading rate
Method.
Technical scheme：To achieve these objectives, the present invention takes following technical scheme：A kind of preparation of anti-aging shading screen cloth
Method, comprises the following steps：
(1) preparation of nanoscale UV absorption additive：By tyrosine, benzotriazole compound, chitosan derivatives
With 1:3:1 mass ratio mixing is inserted in supercritical reaction kettle device, reacts 13-20min, and it is reaction-ure mixture to add quality
/ 3rd nano-zinc oxide powder, is warming up to 800-850 DEG C, continues with 1-2h, finally obtains nanoscale UV absorption
Additive；
(2) modification：Nanoscale UV absorption additive prepared by step (1) enters under the processing of hydrophilic finishing agent
Row hydrophilic modifying；
(3) preparation of composite high-molecular fiber：By by modified nanoscale UV absorption additive and polyurethane
Ester, terephthalic acid (TPA) methyl esters is with 1:2:4 mass ratio mixing, the 0.3%-0.8% of terephthalic acid (TPA) methyl esters quality tri-chlorination
Antimony, the solvent ethylene glycol of 2-3 times of reaction-ure mixture maintains rectifying after reaction 10-40min under 230-250 DEG C of vacuum state；Cross
Filter, vacuum drying, composite high-molecular fiber is prepared into using wet spinning process；
(4) synthesis of anti-aging shading screen cloth：Using above-mentioned composite high-molecular fiber as main material, ultraviolet suction is not added additionally
Agent is received, anti-aging shading screen cloth is produced in conventional fashion into together with other preparing raw materials of common sun-shading mesh.
It is more highly preferred to, benzotriazole compound described in step (1) is phenylpropyl alcohol triazole.
It is more highly preferred to, chitosan derivatives described in step (1) are water-solubility chitosan derivative.
It is more highly preferred to, pressure is set to 13MPa in step (1) the supercritical reaction kettle.
It is more highly preferred to, temperature setting is 60-80 DEG C in step (1) the supercritical reaction kettle.
It is more highly preferred to, reaction temperature is 238 DEG C in step (3).
It is more highly preferred to, hydrophilic finishing agent described in step (2) is organosilicon hydrophilic finishing agent.
Beneficial effect：The preparation method for a kind of anti-aging shading screen cloth that the present invention is provided, first with tyrosine, benzo three
Azole compounds, chitosan derivative, nano-zinc oxide powder are blended in being reacted together in supercritical reaction kettle device and are prepared into
Nanoscale UV absorption additive, then handled by hydrophilic modifying and further improve its hydrophilicity, finally and polyurethane
Ester, the material such as terephthalic acid (TPA) methyl esters, ethylene glycol reacts in the presence of catalyst trichloride antimony is prepared into compound high score jointly
Subbundle；In preparation process, by nano modification and the hydrophilicity of the dual enhancing ultra-violet absorber of hydrophilic modifying, so that
Cospinning, compound high score prepared by the present invention can be preferably blended with other raw materials in the preparation process of follow-up macromolecular fibre
Subbundle possesses good anti-ultraviolet property, as shading screen cloth preparing raw material main material when, it is to avoid other are easily waved
Deportation moves the addition of small molecule ultraviolet absorber, and finished chemical performance is stable, is not susceptible to migration volatilization, resists with lasting
Uv absorption property and shading performance, service life are strong, ageing-resistant, corrosion-resistant.
Embodiment
Embodiment 1：
A kind of preparation method of anti-aging shading screen cloth, comprises the following steps：
(1) preparation of nanoscale UV absorption additive：By tyrosine, BTA, water-solubility chitosan derivative
With 1:3:1 mass ratio mixing is inserted in supercritical reaction kettle device, and setting pressure is 13MPa, and temperature is 60 DEG C, reaction
13min, adds 1/3rd nano-zinc oxide powder that quality is reaction-ure mixture, is warming up to 800 DEG C, continues with 1h,
Finally obtain nanoscale UV absorption additive；
(2) modification：Nanoscale UV absorption additive prepared by step (1) is at the place of organosilicon hydrophilic finishing agent
Reason is lower to carry out hydrophilic modifying；
(3) preparation of composite high-molecular fiber：By by modified nanoscale UV absorption additive and polyurethane
Ester, terephthalic acid (TPA) methyl esters is with 1:2:4 mass ratio mixing, 0.3% trichloride antimony of terephthalic acid (TPA) methyl esters quality, reaction
The solvent ethylene glycol that 2 times of thing total amount, maintains rectifying after reaction 10min under 230 DEG C of vacuum state；Filtering, is dried in vacuo, and uses
Wet spinning process is prepared into composite high-molecular fiber；
(4) synthesis of anti-aging shading screen cloth：Using above-mentioned composite high-molecular fiber as main material, ultraviolet suction is not added additionally
Agent is received, anti-aging shading screen cloth is produced in conventional fashion into together with other preparing raw materials of common sun-shading mesh.
Embodiment 2：
A kind of preparation method of anti-aging shading screen cloth, comprises the following steps：
(1) preparation of nanoscale UV absorption additive：By tyrosine, BTA, water-solubility chitosan derivative
With 1:3:1 mass ratio mixing is inserted in supercritical reaction kettle device, and setting pressure is 13MPa, and temperature is 80 DEG C, reaction
20min, adds 1/3rd nano-zinc oxide powder that quality is reaction-ure mixture, is warming up to 850 DEG C, continues with 2h,
Finally obtain nanoscale UV absorption additive；
(2) modification：Nanoscale UV absorption additive prepared by step (1) is at the place of organosilicon hydrophilic finishing agent
Reason is lower to carry out hydrophilic modifying；
(3) preparation of composite high-molecular fiber：By by modified nanoscale UV absorption additive and polyurethane
Ester, terephthalic acid (TPA) methyl esters is with 1:2:4 mass ratio mixing, 0.8% trichloride antimony of terephthalic acid (TPA) methyl esters quality, reaction
The solvent ethylene glycol that 3 times of thing total amount, maintains rectifying after reaction 40min under 250 DEG C of vacuum state；Filtering, is dried in vacuo, and uses
Wet spinning process is prepared into composite high-molecular fiber；
(4) synthesis of anti-aging shading screen cloth：Using above-mentioned composite high-molecular fiber as main material, ultraviolet suction is not added additionally
Agent is received, anti-aging shading screen cloth is produced in conventional fashion into together with other preparing raw materials of common sun-shading mesh.
Embodiment 3：
A kind of preparation method of anti-aging shading screen cloth, comprises the following steps：
(1) preparation of nanoscale UV absorption additive：By tyrosine, BTA, water-solubility chitosan derivative
With 1:3:1 mass ratio mixing is inserted in supercritical reaction kettle device, and setting pressure is 13MPa, and temperature is 70 DEG C, reaction
17min, adds 1/3rd nano-zinc oxide powder that quality is reaction-ure mixture, is warming up to 830 DEG C, continues with
1.5h, finally obtains nanoscale UV absorption additive；
(2) modification：Nanoscale UV absorption additive prepared by step (1) is at the place of organosilicon hydrophilic finishing agent
Reason is lower to carry out hydrophilic modifying；
(3) preparation of composite high-molecular fiber：By by modified nanoscale UV absorption additive and polyurethane
Ester, terephthalic acid (TPA) methyl esters is with 1:2:4 mass ratio mixing, 0.6% trichloride antimony of terephthalic acid (TPA) methyl esters quality, reaction
The solvent ethylene glycol of 2-3 times of thing total amount, maintains rectifying after reaction 24min under 238 DEG C of vacuum state；Filtering, vacuum drying, is adopted
Composite high-molecular fiber is prepared into wet spinning process；
(4) synthesis of anti-aging shading screen cloth：Using above-mentioned composite high-molecular fiber as main material, ultraviolet suction is not added additionally
Agent is received, anti-aging shading screen cloth is produced in conventional fashion into together with other preparing raw materials of common sun-shading mesh.
A kind of anti-aging shading screen cloth prepared by above-described embodiment 3 carries out shading rate performance with commercially available common shading screen cloth
Test comparison, respectively to being tracked lavatory using after 3 years and using product after 6 years under new product and identical use state,
As a result it is as shown in table 1：
The embodiment 4 of table 1 is contrasted with commercially available prod
Anti-aging shading screen cloth its uvioresistant absorption function persistence prepared by the present invention is can be seen that from upper table data
Relatively strong, service life is substantially better than commercial like product.
It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention,
Some improvement can also be made, these improvement also should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of preparation method of anti-aging shading screen cloth, it is characterised in that comprise the following steps：
(1) preparation of nanoscale UV absorption additive：By tyrosine, benzotriazole compound, chitosan derivatives with 1:
3:1 mass ratio mixing is inserted in supercritical reaction kettle device, reacts 13-20min, and addition quality is three points of reaction-ure mixture
One of nano-zinc oxide powder, be warming up to 800-850 DEG C, continue with 1-2h, finally obtain nanoscale UV absorption addition
Agent；
(2) modification：Nanoscale UV absorption additive prepared by step (1) carries out parent under the processing of hydrophilic finishing agent
Water is modified；
(3) preparation of composite high-molecular fiber：Modified nanoscale UV absorption additive and polyurethanes will be passed through, it is right
Phthalic acid methyl ester is with 1:2:4 mass ratio mixing, the 0.3%-0.8% of terephthalic acid (TPA) methyl esters quality trichloride antimony, instead
The solvent ethylene glycol of 2-3 times of thing total amount is answered, rectifying after reaction 10-40min under 230-250 DEG C of vacuum state is maintained；Filtering, very
Sky is dried, and composite high-molecular fiber is prepared into using wet spinning process；
(4) synthesis of anti-aging shading screen cloth：Using above-mentioned composite high-molecular fiber as main material, UV absorption is not added additionally
Agent, is produced in conventional fashion into anti-aging shading screen cloth together with other preparing raw materials of common sun-shading mesh.
2. the preparation method of anti-aging shading screen cloth according to claim 1, it is characterised in that：Benzene described in step (1)
And triazole class compounds are phenylpropyl alcohol triazole.
3. the preparation method of anti-aging shading screen cloth according to claim 1, it is characterised in that：Shell described in step (1)
Polysaccharid derivative is water-solubility chitosan derivative.
4. the preparation method of anti-aging shading screen cloth according to claim 1, it is characterised in that：Step (1) is described super to face
Pressure is set to 13MPa in boundary's reactor.
5. the preparation method of anti-aging shading screen cloth according to claim 1, it is characterised in that：Step (1) is described super to face
Temperature setting is 60-80 DEG C in boundary's reactor.
6. the preparation method of anti-aging shading screen cloth according to claim 1, it is characterised in that：Reaction temperature in step (3)
Spend for 238 DEG C.
7. the preparation method of anti-aging shading screen cloth according to claim 1, it is characterised in that：It is close described in step (2)
Water finishing agent is organosilicon hydrophilic finishing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710356302.6A CN107059159A (en) | 2017-05-19 | 2017-05-19 | A kind of preparation method of anti-aging shading screen cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710356302.6A CN107059159A (en) | 2017-05-19 | 2017-05-19 | A kind of preparation method of anti-aging shading screen cloth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107059159A true CN107059159A (en) | 2017-08-18 |
Family
ID=59610169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710356302.6A Pending CN107059159A (en) | 2017-05-19 | 2017-05-19 | A kind of preparation method of anti-aging shading screen cloth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107059159A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109041959A (en) * | 2018-09-10 | 2018-12-21 | 巢湖市聚汇遮阳设备科技有限公司 | A kind of sunshade net for tomato cultivation |
| CN109168817A (en) * | 2018-09-10 | 2019-01-11 | 巢湖市聚汇遮阳设备科技有限公司 | Open country hut sunshade net overlay structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1948607A (en) * | 2006-10-27 | 2007-04-18 | 浙江锦达新材料股份有限公司 | High polymer coated multi functional coating fabric and its production method |
| CN102666947A (en) * | 2009-09-30 | 2012-09-12 | 株式会社晓星 | Spandex fiber with excellent chlorine resistance, and preparation method thereof |
| CN102851766A (en) * | 2012-08-29 | 2013-01-02 | 昆山铁牛衬衫厂 | Anti-ultraviolet fiber production method |
| CN104725625A (en) * | 2013-12-18 | 2015-06-24 | 北京服装学院 | Polyester having moisture absorption, fire retardation and ultraviolet resistance composite function |
| CN105176028A (en) * | 2015-09-23 | 2015-12-23 | 芜湖环瑞汽车内饰件有限公司 | Ultraviolet and aging resisting composite material for automotive upholstery and a preparing method composite material |
-
2017
- 2017-05-19 CN CN201710356302.6A patent/CN107059159A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1948607A (en) * | 2006-10-27 | 2007-04-18 | 浙江锦达新材料股份有限公司 | High polymer coated multi functional coating fabric and its production method |
| CN102666947A (en) * | 2009-09-30 | 2012-09-12 | 株式会社晓星 | Spandex fiber with excellent chlorine resistance, and preparation method thereof |
| CN102851766A (en) * | 2012-08-29 | 2013-01-02 | 昆山铁牛衬衫厂 | Anti-ultraviolet fiber production method |
| CN104725625A (en) * | 2013-12-18 | 2015-06-24 | 北京服装学院 | Polyester having moisture absorption, fire retardation and ultraviolet resistance composite function |
| CN105176028A (en) * | 2015-09-23 | 2015-12-23 | 芜湖环瑞汽车内饰件有限公司 | Ultraviolet and aging resisting composite material for automotive upholstery and a preparing method composite material |
Non-Patent Citations (4)
| Title |
|---|
| 于淑娟等: "苯并三唑类复合型高分子光稳定剂的合成与性能研究", 《塑料科技》 * |
| 朱婉萍等: "《甲壳素及其衍生物的研究与应用》", 30 November 2014 * |
| 李青山等: "《微型高分子化学实验》", 31 August 2009 * |
| 马世昌等: "《化学物质辞典》", 28 April 1999 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109041959A (en) * | 2018-09-10 | 2018-12-21 | 巢湖市聚汇遮阳设备科技有限公司 | A kind of sunshade net for tomato cultivation |
| CN109168817A (en) * | 2018-09-10 | 2019-01-11 | 巢湖市聚汇遮阳设备科技有限公司 | Open country hut sunshade net overlay structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101347898B1 (en) | A environment organic natural decomposition mulch material | |
| CN105330954A (en) | Weather-proof resin master batch for agricultural plastic mulching film synthesis and preparation method | |
| CN107059159A (en) | A kind of preparation method of anti-aging shading screen cloth | |
| KR102079360B1 (en) | Fabric for clothing for woman and manufacturing method thereof | |
| CN112167266A (en) | Micro-film calcium fruit suntan protective agent and preparation and application methods thereof | |
| CN106220298A (en) | A kind of improve mycelial growth rate and the agaricus bisporus soil covering of quality and preparation method | |
| CN107142741A (en) | A kind of ultraviolet-resistant fabric and preparation method thereof | |
| CN102972516B (en) | Natural drying color fixative and color protecting method for zanthoxylum schinifolium | |
| CN102295934B (en) | Liquid agricultural mulching film and production method thereof | |
| CN107151830B (en) | A kind of preparation method of the composite high-molecular fiber for high shading rate screen cloth | |
| CN110741856A (en) | Preparation method of insect-resistant anti-aging sunshade net | |
| KR20130013477A (en) | Refrigerant compositions and manufacturing method of refrigerant functional fabric using refrigerant compositions | |
| CN105820731A (en) | Waterborne polyurethane coating agent containing superfine down feather fiber-chitosan microspheres | |
| CN107364203B (en) | A kind of radiation-proof fabric and its production method | |
| CN1231336A (en) | Bag-cultivating black edible fungus and cultivating technology thereof | |
| CN1294805C (en) | Water retaining penetration film produced by milling and its preparation method | |
| CN109181167A (en) | The method for preparing agricultural canopy film master batch using automobile-used acoustical cotton corner dead meal | |
| CN109796420A (en) | A kind of trihydroxyethyl isocyanuric 3(6- hydroxyl 1- caproic acid) ester and its synthetic method | |
| CN108003760B (en) | Film coating liquid for plastic greenhouse | |
| CN106116799A (en) | A kind of pasture and water environment-friendly fertilizer | |
| CN108248187B (en) | A kind of preparation method of antimicrobial form sun-shading mesh | |
| CN108424739B (en) | Straw hat glue and preparation method thereof | |
| CN109265937A (en) | The method for preparing the dedicated agricultural mulching of peanut using automobile-used acoustical cotton corner dead meal | |
| KR101595173B1 (en) | A Fruit Wrapper coated with nano metallic oxide and Manufacture Method thereof | |
| CN107082750A (en) | The preparation of benzophenone hydazone derivative and its application in anti-aging expanded material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |