CN108531067A - A kind of the polyurethane Environmental-protecwaterproof waterproof paint and its preparation process of polylactic acid interlocking - Google Patents
A kind of the polyurethane Environmental-protecwaterproof waterproof paint and its preparation process of polylactic acid interlocking Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/348—Hydroxycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4081—Mixtures of compounds of group C08G18/64 with other macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/6692—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/34
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G83/00—Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
- C08G83/001—Macromolecular compounds containing organic and inorganic sequences, e.g. organic polymers grafted onto silica
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
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Abstract
The present invention discloses a kind of the polyurethane Environmental-protecwaterproof waterproof paint and its preparation process of polylactic acid interlocking, including following parts by weight of component：100 parts of polytetramethylene ether diol, 25 45 parts of isophorone diisocyanate, 30 50 parts of hydroxyl-terminated polylactic acid, 7 15 parts of nanoscale graphene, 0.15 0.3 parts of dibenzoyl peroxide, 48 parts of tetrahydrofuran, 26 parts of chain extender, 16 20 parts of acetone, 4 10 parts of triethylamine, 0.02 0.5 parts of catalyst, 24 parts of antifoaming agent, 13 parts of levelling agent, 9 15 parts of deionized water, 40 60 parts of inorganic filler.For the present invention by the way that graphene grafted polylactic acid copolymer to be embedded in polyurethane backbone, introducing ester bond, carboxyl isoreactivity group improve the biological degradability and compatibility of polyurethane coating, and catabolite is nontoxic, environmentally protective.
Description
Technical field
The present invention relates to polyurethane water-proof paint technical fields, and in particular to a kind of polyurethane environment-friendly type of polylactic acid interlocking
Water-repellent paint and its preparation process.
Background technology
Polyurethane water-proof paint is by isocyanates, polyethers through high-molecular organic material made of addition, polymerisation, tool
Have the advantages that physical strength is high, elongation percentage is big, flexibility is high, water resistance is good, is widely used in architectural engineering, underground engineering, room
The fields such as the water resistant antiseepage of face engineering, but after polyurethane coating is detached with basal plane, it, can be to ring because it is difficult to degrade and recycles
Border pollutes, and therefore, how to produce a kind of environmentally friendly green polyurethane water-proof paint is current to need what is solved to ask
Topic.
Application No. is the patents of CN201610327590.8, disclose a kind of preparation method of degradable aqueous polyurethane coating
And product makes modified polyurethane paint easily quilt by-NCO connections titanium dioxide/lactic acid composite material of terminal isocyanate groups
Microbial degradation, while the self-cleaning ability of coating is improved, but titanium dioxide/lactic acid composite material is to pass through dopen Nano
What the lactide intermediate of titanium dioxide was polymerized, chemical crosslinking effect does not occur for the two, is only that simple physics adds, can
It can cause inhibition, reduce the degree of polymerization and physical strength of polylactic acid, eventually lead to the space structure of polyurethane coating not
Enough stabilizations, mechanical property are poor.
Invention content
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of polyurethane environmental protection of polylactic acid interlocking
Type water-repellent paint and its preparation process.
Technical scheme of the present invention is summarized as follows：
A kind of polyurethane Environmental-protecwaterproof waterproof paint of polylactic acid interlocking, including following parts by weight of component：
Preferably, the hydroxyl-terminated polylactic acid molecular weight is 500-2500.
Preferably, the catalyst includes one kind or more of dibutyl tin laurate, stannous octoate, isooctyl acid bismuth
Kind.
Preferably, the chain extender includes dihydromethyl propionic acid, trimethylolpropane, triethylene glycol, sorbierite, diethylamino
Base ethyl alcohol it is one or more.
Preferably, the inorganic filler include nano-calcium carbonate, mica powder, silica flour it is one or more.
The present invention also provides a kind of above-mentioned preparation processes of the polyurethane Environmental-protecwaterproof waterproof paint of polylactic acid interlocking, including with
Lower step：
S1：Hydroxyl-terminated polylactic acid is dissolved in tetrahydrofuran, is again heated to 100-140 DEG C, introduces nanoscale stone
Black alkene and dibenzoyl peroxide are stirred to react 30-60h under inert gas protection, obtain graphene grafted polylactic acid；
S2：In 100-120 DEG C of vacuum environment, polytetramethylene ether diol is dehydrated, when water content is down to
When 60%, isophorone diisocyanate, catalyst is added, in 65-75 DEG C, 0.1MPa inert gas environments, carries out nucleophilic
Addition reaction obtains base polyurethane prepolymer for use as；
S3：Base polyurethane prepolymer for use as, graphene grafted polylactic acid and chain extender are blended, at 70 DEG C, insulated and stirred reaction
1-3h, during reaction, acetone is added dropwise in duration, reduces viscosity, reacts extremely-NCO content and is less than 3%, is scattered in deionized water,
Obtain the polyurethane complex emulsions of polylactic acid interlocking；
S4：At 40 DEG C, triethylamine is added dropwise in the polyurethane complex emulsions rabbeted to polylactic acid, carries out neutralization reaction, then add
Enter antifoaming agent, levelling agent and inorganic filler, 1h stirred with the rotating speed of 3000-5000rpm, and is carried out at the same time ultrasonic wave added dispersion,
The polyurethane Environmental-protecwaterproof waterproof paint of the lactic acid interlocking is made.
Beneficial effects of the present invention：
1, the present invention is by the way that graphene grafted polylactic acid copolymer block to be inserted into polyurethane backbone, by ester bond, carboxyl
Isoreactivity group is introduced into structural chain, and under microbial action, ectoenzyme enters the active position of polylactic acid/polyurethane interpolymer
And after infiltrating into position, make the ester linkage hydrolyzing in copolymer at carboxylic acid and hydroxyl alcohol, generating carboxylic acid has certainly reaction system
Catalytic effect, further speeds up the degradation of macromolecular skeleton structure, and final fracture improves polyurethane at stable small molecule product
The biological degradability and compatibility of coating, and catabolite is nontoxic, it is environmentally protective.
2, the present invention causes the contracting between hydroxyl-terminated polylactic acid and nanoscale graphene using dibenzoyl peroxide
Poly- reaction, introduces SP in polylactic acid chain2Hydridization graphene-structured reinforces polylactic acid backbone intensity, and it is hard to improve polyurethane coating
Degree, wearability and mechanical strength, and further increase the hydrophobicity of polyurethane coating.
Specific implementation mode
With reference to embodiment, the present invention is described in further detail, to enable those skilled in the art with reference to specification
Word can be implemented according to this.
Embodiment 1
A kind of polyurethane Environmental-protecwaterproof waterproof paint of polylactic acid interlocking, including following parts by weight of component：
The present invention also provides a kind of above-mentioned preparation processes of the polyurethane Environmental-protecwaterproof waterproof paint of polylactic acid interlocking, including with
Lower step：
S1：The hydroxyl-terminated polylactic acid that molecular weight is 500 is dissolved in tetrahydrofuran, is again heated to 100 DEG C, introduces nanometer
Grade graphene oxide and dibenzoyl peroxide are stirred to react 30h under inert gas protection, obtain graphene grafted polylactic acid；
S2：In 100 DEG C of vacuum environments, polytetramethylene ether diol is dehydrated, when water content is down to 60%
When, isophorone diisocyanate, catalyst is added, in 65 DEG C, 0.1MPa inert gas environments, it is anti-to carry out nucleophilic addition
It answers, obtains base polyurethane prepolymer for use as；
S3：Base polyurethane prepolymer for use as, graphene grafted polylactic acid and chain extender are blended, at 70 DEG C, insulated and stirred reaction
1h, during reaction, acetone is added dropwise in duration, reduces viscosity, reacts extremely-NCO content and is less than 3%, is scattered in deionized water, obtains
The polyurethane complex emulsions of polylactic acid interlocking；
S4：At 40 DEG C, triethylamine is added dropwise in the polyurethane complex emulsions rabbeted to polylactic acid, carries out neutralization reaction, then add
Enter antifoaming agent, levelling agent and inorganic filler, 1h is stirred with the rotating speed of 3000rpm, and be carried out at the same time ultrasonic wave added dispersion, institute is made
State the polyurethane Environmental-protecwaterproof waterproof paint of lactic acid interlocking.
Embodiment 2
A kind of polyurethane Environmental-protecwaterproof waterproof paint of polylactic acid interlocking, including following parts by weight of component：
The preparation method is the same as that of Example 1 for above-mentioned water-repellent paint, difference lies in：
S1：Hydroxyl-terminated polylactic acid molecular weight is 1500, and it is respectively 120 DEG C, 45h to be stirred to react temperature and time；
S2：Dehydration temperaturre is 110 DEG C, and nucleophilic addition temperature is 70 DEG C；
S3：The insulated and stirred reaction time is 2h；
S4：Speed of agitator is 4000rpm.
Embodiment 3
A kind of polyurethane Environmental-protecwaterproof waterproof paint of polylactic acid interlocking, including following parts by weight of component：
The preparation method is the same as that of Example 1 for above-mentioned water-repellent paint, difference lies in：
S1：Hydroxyl-terminated polylactic acid molecular weight is 2500, and it is respectively 140 DEG C, 60h to be stirred to react temperature and time；
S2：Dehydration temperaturre is 120 DEG C, and nucleophilic addition temperature is 75 DEG C；
S3：The insulated and stirred reaction time is 3h；
S4：Speed of agitator is 5000rpm.
According to GB/T16777-2008《Polyurethane water-proof paint》Performance measurement is carried out to embodiment 1-3, performance evaluation is such as
Shown in following table.
As seen from the above table, the polyurethane Environmental-protecwaterproof waterproof paint of polylactic acid interlocking produced by the invention meets I type polyurethanes
The requirement of water-repellent paint basic standard, thermal stability, water resistance, tolerance and excellent in mechanical performance, and there is good biology
Degradability and compatibility.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details.
Claims (6)
1. a kind of polyurethane Environmental-protecwaterproof waterproof paint of polylactic acid interlocking, which is characterized in that including following parts by weight of component：
2. a kind of polyurethane Environmental-protecwaterproof waterproof paint of polylactic acid interlocking according to claim 1, which is characterized in that the end
Hydroxyl polylactic acid molecule amount is 500-2500.
3. a kind of polyurethane Environmental-protecwaterproof waterproof paint of polylactic acid interlocking according to claim 1, which is characterized in that described to urge
Agent include dibutyl tin laurate, stannous octoate, isooctyl acid bismuth it is one or more.
4. a kind of polyurethane Environmental-protecwaterproof waterproof paint of polylactic acid interlocking according to claim 1, which is characterized in that the expansion
Chain agent include dihydromethyl propionic acid, trimethylolpropane, triethylene glycol, sorbierite, diethylaminoethanol it is one or more.
5. a kind of polyurethane Environmental-protecwaterproof waterproof paint of polylactic acid interlocking according to claim 1, which is characterized in that the nothing
Machine filler include nano-calcium carbonate, mica powder, silica flour it is one or more.
6. a kind of preparation process of the polyurethane Environmental-protecwaterproof waterproof paint of polylactic acid interlocking as described in claim any one of 1-5,
It is characterized by comprising the following steps：
S1：Hydroxyl-terminated polylactic acid is dissolved in tetrahydrofuran, is again heated to 100-140 DEG C, introduces nanoscale graphene
And dibenzoyl peroxide is stirred to react 30-60h under inert gas protection, obtains graphene grafted polylactic acid；
S2：In 100-120 DEG C of vacuum environment, polytetramethylene ether diol is dehydrated, when water content is down to 60%
When, isophorone diisocyanate, catalyst is added, in 65-75 DEG C, 0.1MPa inert gas environments, carries out nucleophilic addition
Reaction, obtains base polyurethane prepolymer for use as；
S3：Base polyurethane prepolymer for use as, graphene grafted polylactic acid and chain extender are blended, at 70 DEG C, insulated and stirred reacts 1-3h,
During reaction, acetone is added dropwise in duration, reduces viscosity, reacts extremely-NCO content and is less than 3%, is scattered in deionized water, obtains poly-
The polyurethane complex emulsions of lactic acid interlocking；
S4：At 40 DEG C, triethylamine is added dropwise in the polyurethane complex emulsions rabbeted to polylactic acid, carries out neutralization reaction, adds and disappear
Infusion, levelling agent and inorganic filler stir 1h with the rotating speed of 3000-5000rpm, and are carried out at the same time ultrasonic wave added dispersion, are made
The polyurethane Environmental-protecwaterproof waterproof paint of the lactic acid interlocking.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810475791.1A CN108531067B (en) | 2018-05-17 | 2018-05-17 | Polylactic acid embedded polyurethane environment-friendly waterproof coating and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810475791.1A CN108531067B (en) | 2018-05-17 | 2018-05-17 | Polylactic acid embedded polyurethane environment-friendly waterproof coating and preparation process thereof |
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| CN108531067B CN108531067B (en) | 2020-06-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111574679A (en) * | 2020-06-09 | 2020-08-25 | 张中明 | Degradable TiO2Polylactic acid grafted polyurethane antibacterial material and preparation method thereof |
| CN113789111A (en) * | 2021-09-14 | 2021-12-14 | 杨春 | Waterproof coating and preparation process thereof |
| CN114014302A (en) * | 2021-08-19 | 2022-02-08 | 海南经略科技投资有限公司 | Process technology principle and preparation method of metal and nonmetal material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101717486A (en) * | 2009-12-03 | 2010-06-02 | 上海维凯化学品有限公司 | Degradable aqueous polyurethane dispersion and preparation method thereof |
| CN104418994A (en) * | 2013-08-28 | 2015-03-18 | 青岛医防消毒专业技术中心 | Paint used for processing genuine leather surface |
| CN104817947A (en) * | 2015-04-28 | 2015-08-05 | 中科院广州化学有限公司南雄材料生产基地 | Acrylic ester modified polyurethane emulsion type waterproof coating and preparation method thereof |
| CN105111407A (en) * | 2015-09-15 | 2015-12-02 | 湖南科技大学 | Method for preparing biodegradable ocean antifouling polyurethane hybrid materials and product thereof |
| US20170121559A1 (en) * | 2015-10-28 | 2017-05-04 | Korea Institute Of Science And Technology | Lignin-containing coating composition and ultrafine fibers including the same |
-
2018
- 2018-05-17 CN CN201810475791.1A patent/CN108531067B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101717486A (en) * | 2009-12-03 | 2010-06-02 | 上海维凯化学品有限公司 | Degradable aqueous polyurethane dispersion and preparation method thereof |
| CN104418994A (en) * | 2013-08-28 | 2015-03-18 | 青岛医防消毒专业技术中心 | Paint used for processing genuine leather surface |
| CN104817947A (en) * | 2015-04-28 | 2015-08-05 | 中科院广州化学有限公司南雄材料生产基地 | Acrylic ester modified polyurethane emulsion type waterproof coating and preparation method thereof |
| CN105111407A (en) * | 2015-09-15 | 2015-12-02 | 湖南科技大学 | Method for preparing biodegradable ocean antifouling polyurethane hybrid materials and product thereof |
| US20170121559A1 (en) * | 2015-10-28 | 2017-05-04 | Korea Institute Of Science And Technology | Lignin-containing coating composition and ultrafine fibers including the same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111574679A (en) * | 2020-06-09 | 2020-08-25 | 张中明 | Degradable TiO2Polylactic acid grafted polyurethane antibacterial material and preparation method thereof |
| CN114014302A (en) * | 2021-08-19 | 2022-02-08 | 海南经略科技投资有限公司 | Process technology principle and preparation method of metal and nonmetal material |
| CN113789111A (en) * | 2021-09-14 | 2021-12-14 | 杨春 | Waterproof coating and preparation process thereof |
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| Publication number | Publication date |
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| CN108531067B (en) | 2020-06-30 |
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