CN109021164A - A kind of softness acrylic emulsion leather agent and preparation method thereof - Google Patents
A kind of softness acrylic emulsion leather agent and preparation method thereof Download PDFInfo
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- CN109021164A CN109021164A CN201810932640.4A CN201810932640A CN109021164A CN 109021164 A CN109021164 A CN 109021164A CN 201810932640 A CN201810932640 A CN 201810932640A CN 109021164 A CN109021164 A CN 109021164A
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- leather agent
- leather
- acrylic emulsion
- softness
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C11/00—Surface finishing of leather
- C14C11/003—Surface finishing of leather using macromolecular compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/042—Acrylic polymers
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
A kind of softness acrylic emulsion leather agent and preparation method thereof, it is related to leather agent technical field, the component of the leather agent and the parts by weight of each component are as follows: 1300-1800 parts of mix monomer, 1600-3000 parts of water, 20-50 parts of lye, 20-60 parts of emulsifier, 10-30 parts of preservative, 0.1-10 parts of initiator, 0.1-10 parts of sodium formaldehyde sulfoxylate, 0.1-10 parts of tert-butyl hydroperoxide, 20-40 parts of zinc oxide.The present invention also provides a kind of preparation methods of soft acrylic emulsion leather agent, the leather agent of this method preparation has the performances such as preferable flexibility and not tacky, to can be improved leather glossiness, polish retention, plasticity, resistance to xerotripsis, wet-rub resistance, flexibility, water resistance, while can make that treated leather hand feeling is comfortable.The preparation method process stabilizing of leather agent in the present invention can be completed in conventional equipment, reduces enterprise to the investment of production equipment, is suitble to industrialized production.
Description
Technical field:
The present invention relates to leather agent technical fields, and in particular to a kind of softness acrylic emulsion leather agent and its preparation
Method.
Background technique:
Leather agent is mainly used for the modification of leather, especially in various obverse leathers, the mistake of the polishing of buff and ironing
Must be indispensable in journey, leather agent can be such that coating bonds securely with leather surface, the high temperature resistant ironing of leather is improved, and
Leather agent must make leather and fur products keep stable state and lasting characteristic in various environment.
Currently, the main component of leather agent is mostly acrylic emulsion, at present after acrylic emulsion film forming on the market, have
It is soft have it is hard, but be all easier after general soft polyurethane film-forming it is tacky, without tacky again harder, the present invention by pair
Acrylate monomer or acrylic monomers carry out preferred and the molecular structure to the polymer being polymerized Fine design, exploitation
A kind of soft acrylic emulsion leather agent that film forming is softer and not tacky out.
Summary of the invention:
In place of overcoming above-mentioned the shortcomings of the prior art, and provide a kind of soft acrylic acid
Lotion leather agent, the leather agent have that form a film that soft, not tacky, stability is high, has excellent performance, has a wide range of application etc. excellent
Point.
It is a further object to provide a kind of preparation method of soft acrylic emulsion leather agent, the preparation sides
Method is, by the type of fine sieve menu body, to optimize monomer dosage on the basis of existing conventional acrylic lotion, finely set
Count polymerization makes product after film forming to optimize the molecular structure of finally prepd polymer, soft and not tacky, is promoted
The use scope of product.
The technical solution adopted by the present invention are as follows: a kind of softness acrylic emulsion leather agent, the component of the leather agent and
The parts by weight of each component are as follows: 1300-1800 parts of mix monomer, 1600-3000 parts of water, 20-50 parts of lye, emulsifier 20-60
Part, 10-30 parts of preservative, 0.1-10 parts of initiator, 0.1-10 parts of sodium formaldehyde sulfoxylate, 0.1-10 parts of tert-butyl hydroperoxide, zinc oxide
20-40 parts.
Preferably, the parts by weight of the component of the leather agent and each component are as follows: 1500-1700 parts of mix monomer,
2000-2500 parts of water, 30-45 parts of lye, 30-42 parts of emulsifier, 15-25 parts of preservative, 2-8 parts of initiator, sodium formaldehyde sulfoxylate 2-8
Part, 2-8 parts of tert-butyl hydroperoxide, 30-38 parts of zinc oxide.
Preferably, any two kinds in ethyl acrylate, acrylic acid, methyl acrylate of the mix monomer is mixed
Close object.
Preferably, the parts by weight of the component of the mix monomer and each component are as follows: ethyl acrylate 1300-1600
Part, 0-100 parts of acrylic acid, 0-100 parts of methyl acrylate.
Preferably, any one or two kind of the lye in ammonium hydroxide, sodium hydroxide solution, potassium hydroxide solution
Above mixture.
Preferably, the mass concentration of the lye is 15-25%.
Preferably, the emulsifier is lauryl sulfate, in neopelex, sodium vinyl sulfonate
Any one or two or more mixtures.
Preferably, the initiator be selected from one or both of persulfate, azodiisobutyronitrile, hydrogen peroxide with
On mixture.
The present invention also provides a kind of preparation methods of soft acrylic emulsion leather agent, and this method includes following step
It is rapid:
Step 1: water and emulsifier are added into reaction vessel, slowly emulsifier is dissolved in water by heating；
Step 2: weighing mix monomer according to the parts by weight of each component, and load weighted mix monomer be stirred,
1/3 mix monomer is added in the reaction vessel in step 1, and is to slowly warm up to 70-85 DEG C；
Step 3: being added initiator in the reaction vessel into step 2, stirring is warming up to 75-90 DEG C, monomer is promoted to send out
Raw prepolymerization；
Step 4: being added remaining mix monomer in the reaction vessel into step 3, keeps the temperature 0.2-2.5h.
Step 5: being cooled to 60-75 DEG C, and sodium formaldehyde sulfoxylate and tert-butyl hydroperoxide, heat preservation is added；
Step 6: being added lye and adjust lotion pH value, make pH value 6.5-8, then, zinc oxide is added；
Step 7: being cooled to 35-40 DEG C, and preservative anti-corrosion is added, and product is made.
The invention has the benefit that the leather agent in (1) present invention has preferable flexibility and not tacky, Neng Gouti
The performances such as glossiness, polish retention, plasticity, resistance to xerotripsis, wet-rub resistance, flexibility, the water resistance of high leather, while can be with
Making treated, leather hand feeling is comfortable.(2) in the leather agent that the preparation method of the leather agent in the present invention is prepared not
Containing organic solvent, safety and environmental protection has no irritating odor, in addition, the preparation method process stabilizing, it can be complete in conventional equipment
At reducing enterprise to the investment of production equipment, be suitble to industrialized production.
Specific embodiment:
Invention is further explained in conjunction with specific embodiments:
Embodiment one:
A kind of softness acrylic emulsion leather agent, the component of the leather agent and the parts by weight of each component are as follows: propylene
1300 parts of acetoacetic ester, 1 part of acrylic acid, 10 parts of methyl acrylate, 1600 parts of water, 20 parts of ammonium hydroxide, 25 parts of lauryl sulfate, prevent
10 parts of rotten agent, 0.1 part of persulfate, 0.1 part of sodium formaldehyde sulfoxylate, 0.1 part of tert-butyl hydroperoxide, 20 parts of zinc oxide.
Embodiment two:
A kind of softness acrylic emulsion leather agent, the component of the leather agent and the parts by weight of each component are as follows: propylene
1400 parts of acetoacetic ester, 50 parts of acrylic acid, 1 part of methyl acrylate, 2000 parts of water, 30 parts of sodium hydroxide solution, dodecyl sulphate
20 parts of salt, 20 parts of preservative, 10 parts of persulfate, 5 parts of sodium formaldehyde sulfoxylate, 5 parts of tert-butyl hydroperoxide, 35 parts of zinc oxide.
Embodiment three:
A kind of softness acrylic emulsion leather agent, the component of the leather agent and the parts by weight of each component are as follows: propylene
1600 parts of acetoacetic ester, 100 parts of acrylic acid, 100 parts of methyl acrylate, 3000 parts of water, 50 parts of potassium hydroxide solution, detergent alkylate
60 parts of sodium sulfonate, 30 parts of preservative, 10 parts of persulfate, 8 parts of sodium formaldehyde sulfoxylate, 8 parts of tert-butyl hydroperoxide, 38 parts of zinc oxide.
Example IV:
A kind of softness acrylic emulsion leather agent, the component of the leather agent and the parts by weight of each component are as follows: propylene
1500 parts of acetoacetic ester, 80 parts of methyl acrylate, 1800 parts of water, 45 parts of sodium hydroxide solution, 50 parts of sodium vinyl sulfonate, preservative
15 parts, 8 parts of hydrogen peroxide, 4 parts of sodium formaldehyde sulfoxylate, 4 parts of tert-butyl hydroperoxide, 20 parts of zinc oxide.
Embodiment five:
A kind of softness acrylic emulsion leather agent, the component of the leather agent and the parts by weight of each component are as follows: propylene
It is 1450 parts of acetoacetic ester, 80 parts of acrylic acid, 2800 parts of water, 35 parts of ammonium hydroxide, 55 parts of neopelex, 15 parts of preservative, even
10 parts of nitrogen bis-isobutyronitrile, 7 parts of sodium formaldehyde sulfoxylate, 7 parts of tert-butyl hydroperoxide, 24 parts of zinc oxide.
Embodiment six:
A kind of softness acrylic emulsion leather agent, the component of the leather agent and the parts by weight of each component are as follows: propylene
100 parts of acid, 100 parts of methyl acrylate, 1600 parts of water, 23 parts of ammonium hydroxide, 30 parts of lauryl sulfate, 15 parts of preservative, over cure
0.8 part of hydrochlorate, 2 parts of sodium formaldehyde sulfoxylate, 2 parts of tert-butyl hydroperoxide, 23 parts of zinc oxide.
Embodiment seven:
A kind of softness acrylic emulsion leather agent, the component of the leather agent and the parts by weight of each component are as follows: propylene
1500 parts of acetoacetic ester, 20 parts of acrylic acid, 40 parts of methyl acrylate, 2800 parts of water, 20 parts of ammonium hydroxide, 25 parts of sodium hydroxide, dodecane
It 30 parts of base sulfate, 25 parts of neopelex, 21 parts of preservative, 9 parts of persulfate, 1 part of azo-bis-isobutyl cyanide, hangs white
6 parts of block, 6 parts of tert-butyl hydroperoxide, 35 parts of zinc oxide.Preservative is common preservative, such as: kathon LX150 etc..
Leather agent appearance of the embodiment of the present invention one into embodiment seven is the milky emulsion of slightly blue light, and yin is presented
Ionic, pH value is 6.5~8, and solid content is 20%~35%.
The preparation method of soft acrylic emulsion leather agent of the embodiment one into embodiment seven, this method includes following
Step:
Step 1: water and emulsifier are added into reaction vessel, slowly emulsifier is dissolved in water by heating；
Step 2: weighing mix monomer according to the parts by weight of each component, and load weighted mix monomer be stirred,
1/3 mix monomer is added in the reaction vessel in step 1, and is to slowly warm up to 70-85 DEG C；
Step 3: being added initiator in the reaction vessel into step 2, stirring is warming up to 75-90 DEG C, monomer is promoted to send out
Raw prepolymerization；
Step 4: being added remaining mix monomer in the reaction vessel into step 3, keeps the temperature 0.2-2.5h.
Step 5: being cooled to 60-75 DEG C, and sodium formaldehyde sulfoxylate and tert-butyl hydroperoxide, heat preservation is added；Sodium formaldehyde sulfoxylate and tertiary fourth is added
Base hydrogen peroxide can promote whole monomers that polymerization reactions occur, without remaining monomer, will not bring offending smell and
The state of oil slick.
Step 6: being added lye and adjust lotion pH value, make pH value 6.5-8, then, zinc oxide is added；
Step 7: being cooled to 35-40 DEG C, and preservative anti-corrosion is added, and product is made.
Mix monomer is added in reaction vessel in two times by control temperature for above-mentioned preparation method, is divided to two to realize
Secondary generation polymerization reaction, avoids one-time reaction too violent, causes runaway reaction, thus implode, to produce unstable
Product emulsion in addition polymer be precipitated from lotion and agglomerated together.It is all to need in the preparation process in accordance with the present invention
Charging and polymerization reaction are carried out under conditions of stirring.
Using effect experiment:
Leather agent provided by the invention is mainly used for the covering with paint of leather, both can be used for the primary coat of leather, it can also be used to
The top coat of leather or face apply.
It is used for leather agent provided by the invention to handle cow leather upper, method particularly includes: it is sprayed on the surface of cow leather upper
It applies and is dried after leather agent provided by the invention, is embossed and hot light, obtain single treatment leather；The temperature of drying is 90
DEG C, the time of drying is 1 minute.The method of embossing and hot light does not have special limitation and requirement, using those skilled in the art
The method with hot light is embossed in well known leather treatment process.The temperature of embossing is 85 DEG C；The method of hot light is 120
DEG C, hot pressing in 4 seconds is carried out in the calender of 10MPa；Skin provided by the invention is sprayed again to the leather surface after single treatment
Auxiliary agent is removed from office, secondary drying and hot light are carried out, the leather that obtains that treated；The temperature of drying is 90 DEG C, and the time of drying is 1h；It scalds
The method of light is the hot pressing carried out in 120 DEG C, the calender of 10MPa 4 seconds.Leather after secondary treatment is successively carried out following
Test:
(1) leather color fastness is tested:
By the leather after above-mentioned secondary treatment according to the mark of QB/T1327 " leather surface colour fastness test test method "
Standard carries out resistance to xerotripsis test using XK-3078 leather surface color fastness experimental machine and wet-rub resistance is tested, test result
For the resistance to xerotripsis of leather is 4.5 grades~5 grades, and wet-rub resistance is 4.5 grades~5 grades.
(2) leather glossiness is tested:
Leather after above-mentioned secondary treatment is tested into its glossiness using surface gloss instrument, test result is, leather
Glossiness after glossiness is 97.5,7 days is 96.5~97.5.
(3) leather softness is tested:
It chooses 5 volunteers and sensory testing is carried out to the leather hand feeling after above-mentioned secondary treatment.Test result is 5 will
Hope person thinks leather agent provided by the invention treated that leather is soft, glossy, comfortable feel, and skin base will not be made to be hardened.
(4) leather water resistance test:
The water resistance of leather agent prepared by the present invention is tested, method particularly includes:
The drying that leather agent prepared by the present invention is carried out to 24 hours in 60 DEG C of baking oven, make the leather agent at
Film；Leather agent after film forming is weighed, record weight is A；
It takes out after leather agent after film forming is impregnated 24 hours in the beaker equipped with 25 DEG C of constant temperature of water, is wiped with filter paper
Leather agent film after dry immersion；The leather agent film for drying water is weighed, record weight is B；It counts according to the following equation
Calculate the water resistance of leather agent prepared by the present invention:
Water resistance=B/A；
Calculated result is that the water resistance of leather agent prepared by the present invention is 1.2~1.4.
In conclusion the leather agent in the present invention has preferable flexibility and gloss that is not tacky, can be improved leather
The performances such as degree, polish retention, plasticity, resistance to xerotripsis, wet-rub resistance, flexibility, water resistance, while the skin that can make that treated
Remove from office comfortable feel.Organic solvent, safety are free of in the leather agent that the preparation method of leather agent in the present invention is prepared
Environmental protection has no irritating odor, in addition, the preparation method process stabilizing, can be completed in conventional equipment, reduce enterprise pair
The investment of production equipment is suitble to industrialized production.
For those skilled in the art, it is various corresponding that other can be made according to above technical scheme and design
Change and deformation, and all these change and modification all should belong within the scope of protection of the claims of the present invention.
Claims (9)
1. a kind of softness acrylic emulsion leather agent, it is characterised in that: the component of the leather agent and the parts by weight of each component
Number are as follows: 1300-1800 parts of mix monomer, 1600-3000 parts of water, 20-50 parts of lye, 20-60 parts of emulsifier, preservative 10-30
Part, 0.1-10 parts of initiator, 0.1-10 parts of sodium formaldehyde sulfoxylate, 0.1-10 parts of tert-butyl hydroperoxide, 20-40 parts of zinc oxide.
2. softness acrylic emulsion leather agent according to claim 1, it is characterised in that: the group of the leather agent
The parts by weight of part and each component are as follows: 1500-1700 parts of mix monomer, 2000-2500 parts of water, 30-45 parts of lye, emulsifier
30-42 parts, 15-25 parts of preservative, 2-8 parts of initiator, 2-8 parts of sodium formaldehyde sulfoxylate, 2-8 parts of tert-butyl hydroperoxide, zinc oxide 30-38
Part.
3. softness acrylic emulsion leather agent according to claim 1, it is characterised in that: the mix monomer is selected from
Ethyl acrylate, acrylic acid, any two kinds of mixture in methyl acrylate.
4. softness acrylic emulsion leather agent according to claim 1, it is characterised in that: the group of the mix monomer
The parts by weight of part and each component are as follows: 1300-1600 parts of ethyl acrylate, 0-100 parts of acrylic acid, 0-100 parts of methyl acrylate.
5. softness acrylic emulsion leather agent according to claim 1, it is characterised in that: the lye is selected from ammonia
Water, sodium hydroxide solution, any one or two or more mixtures in potassium hydroxide solution.
6. softness acrylic emulsion leather agent according to claim 5, it is characterised in that: the quality of the lye is dense
Degree is 15-25%.
7. softness acrylic emulsion leather agent according to claim 1, it is characterised in that: the emulsifier is 12
Alkyl sulfate, neopelex, any one or two or more mixtures in sodium vinyl sulfonate.
8. softness acrylic emulsion leather agent according to claim 1, it is characterised in that: the initiator was selected from
The mixture of one or more of sulfate, azodiisobutyronitrile, hydrogen peroxide.
9. the preparation method of any soft acrylic emulsion leather agent of claim 1-8, it is characterised in that: this method
The following steps are included:
Step 1: water and emulsifier are added into reaction vessel, slowly emulsifier is dissolved in water by heating；
Step 2: mix monomer is weighed according to the parts by weight of each component, and load weighted mix monomer is stirred, by 1/
3 mix monomer is added in the reaction vessel in step 1, and is to slowly warm up to 70-85 DEG C；
Step 3: being added initiator in the reaction vessel into step 2, stirring is warming up to 75-90 DEG C, promotes monomer to occur pre-
Polymerization reaction；
Step 4: being added remaining mix monomer in the reaction vessel into step 3, keeps the temperature 0.2-2.5h.
Step 5: being cooled to 60-75 DEG C, and sodium formaldehyde sulfoxylate and tert-butyl hydroperoxide, heat preservation is added；
Step 6: being added lye and adjust lotion pH value, make pH value 6.5-8, then, zinc oxide is added；
Step 7: being cooled to 35-40 DEG C, and preservative anti-corrosion is added, and product is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810932640.4A CN109021164A (en) | 2018-08-16 | 2018-08-16 | A kind of softness acrylic emulsion leather agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810932640.4A CN109021164A (en) | 2018-08-16 | 2018-08-16 | A kind of softness acrylic emulsion leather agent and preparation method thereof |
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| Publication Number | Publication Date |
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| CN109021164A true CN109021164A (en) | 2018-12-18 |
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ID=64630652
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| CN201810932640.4A Withdrawn CN109021164A (en) | 2018-08-16 | 2018-08-16 | A kind of softness acrylic emulsion leather agent and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005061602A1 (en) * | 2003-12-24 | 2005-07-07 | Micronisers Pty Ltd | Acrylic compositions comprising nanoparticulate zinc oxide uv absorber |
| CN102304316A (en) * | 2011-07-22 | 2012-01-04 | 陕西科技大学 | Polyacrylate/nanometer ZnO composite finishing agent and preparation method thereof |
| CN105820693A (en) * | 2016-04-29 | 2016-08-03 | 四川力久知识产权服务有限公司 | Environment-friendly leather finishing agent and preparing method thereof |
| CN106009004A (en) * | 2016-08-01 | 2016-10-12 | 广东盛方化工有限公司 | Multiple composite crosslinked acrylic resin emulsion and preparation method thereof |
-
2018
- 2018-08-16 CN CN201810932640.4A patent/CN109021164A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005061602A1 (en) * | 2003-12-24 | 2005-07-07 | Micronisers Pty Ltd | Acrylic compositions comprising nanoparticulate zinc oxide uv absorber |
| CN102304316A (en) * | 2011-07-22 | 2012-01-04 | 陕西科技大学 | Polyacrylate/nanometer ZnO composite finishing agent and preparation method thereof |
| CN105820693A (en) * | 2016-04-29 | 2016-08-03 | 四川力久知识产权服务有限公司 | Environment-friendly leather finishing agent and preparing method thereof |
| CN106009004A (en) * | 2016-08-01 | 2016-10-12 | 广东盛方化工有限公司 | Multiple composite crosslinked acrylic resin emulsion and preparation method thereof |
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Application publication date: 20181218 |
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