CN110499104A - A kind of preparation method of organosilicon and the super-hydrophobic leather gloss agent of cetostearyl alcohol modified polyacrylate - Google Patents
A kind of preparation method of organosilicon and the super-hydrophobic leather gloss agent of cetostearyl alcohol modified polyacrylate Download PDFInfo
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- CN110499104A CN110499104A CN201810473046.3A CN201810473046A CN110499104A CN 110499104 A CN110499104 A CN 110499104A CN 201810473046 A CN201810473046 A CN 201810473046A CN 110499104 A CN110499104 A CN 110499104A
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- cetostearyl alcohol
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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
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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
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/06—Other polishing compositions
- C09G1/14—Other polishing compositions based on non-waxy substances
- C09G1/18—Other polishing compositions based on non-waxy substances on other substances
Abstract
A kind of preparation method of organosilicon and the super-hydrophobic leather gloss agent of cetostearyl alcohol modified polyacrylate, including following technical process: 1, mix monomer butyl methacrylate, methyl methacrylate, acrylonitrile, acrylamide, methacrylic acid carry out solution copolymerization reaction under initiator effect, prepare the carboxylic polyacrylate of side chain；2, the carboxylic polyacrylate of side chain and organic silicone oil carry out the polyacrylate that condensation reaction prepares side chain silicone-containing long-chain；3, deionized water is added, under concentrated sulfuric acid effect, polyacrylate is hydrolyzed reaction and forms new carboxylic side-chain；4, cetostearyl alcohol is added, carries out esterification, is grafted C14, C16, C18 alkyl Long carbon chain, prepares the polyacrylate leather polishing agent solution of side chain silicone-containing long-chain Yu C14, C16, C18 alkyl Long carbon chain；The present invention is widely used in the surface treatment and technical field of modification of the fibers such as leather, fabric, paper.
Description
Technical field
The invention belongs to coating material for leather technical fields, and in particular to a kind of organosilicon and cetostearyl alcohol modified poly- third
The preparation method of the super-hydrophobic leather gloss agent of olefin(e) acid ester, this method pass through the sequence of chemical reaction such as copolymerization, condensation, hydrolysis, esterification
Prepare super-hydrophobic leather gloss agent.Present invention can also apply to the surface treatments of the fibers such as fabric, paper and modification technology to lead
Domain.
Background technique
Super hydrophobic functional leather can be obviously improved the class and the market competitiveness of product, have become skin because of added value height
Remove from office one of the important directions of industrial development.In actual leather finish, super-hydrophobic leather not only pursue it is excellent it is super-hydrophobic from
Clean-up performance will also have both the comprehensive functions such as hygienic gas permeability, wearability, durability, snugness of fit, weatherability.How to solve
Certainly super-hydrophobic leather it is durable, wear-resisting the problems such as, to the skin material for serving leather, more stringent requirements are proposed for this, and works as
The technological difficulties faced in preceding super-hydrophobic leather preparation research.Therefore, leather bionic super-hydrophobic new material and its preparation work
The exploitation and popularization and application of skill have important practical significance.
Currently, the super-hydrophobic leather finishing agent of imitative lotus leaf and its existing a small amount of report of the preparation and application research on surface.Horse
Jian Zhong group hydrophobization Nano-meter SiO_22It is sprayed on leather surface and has constructed super-hydrophobic leather surface, static state of the water on its surface connects
Feeler is up to 170.3 °, but the coating affects the hygienic gas permeability of leather itself, and coating is not wear-resisting, lasting, also
With serious extinction.[Colloids and Surfaces A:Physicochemical and Engineering
Aspects, 2015, 472: 21-25].Hydrophobization nano silica is also supported on by they by layer-by-layer
Leather surface has constructed super-hydrophobic coat, however, Conventional nano silica reactivity it is poor, especially with leather fiber function
The binding force of group is poor, causes the rub resistance of coating poor [CN201410366284.6].Shi Bi seminar, Sichuan University etc. adopts
After maleic anhydride and the copolymerization of natural animal-plant oil, then is reacted with ten difluoro enanthol and octadecyl alcolol and fluorine-containing aqueous copolymerization is made
Object lotion is used for the hydrophobic fatting agent of leather, and research finds: treated leather surface is with durable, soft and good super-hydrophobic
Performance, the Maximum Contact angle of water is up to 155 °.[Journal of the Society of Leather Technologies
andChemists, 2008, 92(3) : 107-113]；In addition, they also utilize lower temperature plasma technology, make prestox
Cyclotetrasiloxane (D4) aggregation deposition is prepared for super-hydrophobicity Buffed leather on Buffed leather surface, and the maximum static state of the surface water connects
Feeler is lower than 10 ° [Chinese leather, 2014,43 (5): 28-34] up to 155 °, roll angle.However, organic fluorine material price is high
It is expensive and have a destruction to atmospheric ozone layer, the filming performance of D4 polymer is poor, it is small to the binding force of leather do not have it is resistance to
Long property；Plasma technique needs special equipment, instrument, and there are deficiencies at high cost, being difficult to large area film.It is existing super
Hydrophobic material and leather super hydrophobic surface technology of preparing are difficult to realize commercial applications.
Summary of the invention
It is an object of the invention to disclose a kind of organosilicon and the super-hydrophobic leather light of cetostearyl alcohol modified polyacrylate
Bright dose of preparation method, and the method by simply spraying or brushing can leather surface obtain have both health it is ventilative,
The super-hydrophobic coat of wearability, durability.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows: a kind of organosilicon changes with cetostearyl alcohol
The preparation method of the property super-hydrophobic leather gloss agent of polyacrylate, comprising the following steps:
Step 1: 60%~80% organic solvent of monomer and solvent quality summation, 1/2 initiator solution to be added band and stir
It mixes in the more mouthfuls of reaction kettles with reflux condenser, is heated to 90 DEG C for use with constant temperature oil bath；
Step 2: by monomer with the 20%~40% of solvent quality summation containing butyl methacrylate, methyl methacrylate, third
Alkene nitrile, acrylamide, methacrylic acid mix monomer, 1/4 initiator solution is slowly dropped in reaction kettle；
Step 3: the organic silicone oil of monomer total amount 30%~50% is slowly added dropwise after mix monomer and initiator are added dropwise 15 minutes
Into glass reaction kettle, condensation reaction is carried out；
Step 4: the time for adding of all raw materials is 1.0h~3.0h, material reaction temperature is controlled at 90~95 DEG C；
Step 5: the initiator solution of residue 1/4 is added in reaction kettle after all raw materials drip, reaction temperature 90 is controlled
~95 DEG C of insulation reaction 1.0h~2.0h；
Step 6: being kept for 90~95 DEG C of material temperature, the concentrated sulfuric acid and monomer total amount 1.0%~10% of monomer total amount 0.1%~1.0% is added
Deionized water, hydrolysis 1.0h~3.0h under the conditions of 90~95 DEG C；
Step 7: the cetostearyl alcohol of monomer total amount 1.0%~10% is added, 1.0h~3.0h is reacted under the conditions of 90~95 DEG C；
Step 8: being cooled to 45 DEG C hereinafter, adjusting PH=7-8, discharging.
In step 1, organic solvent selects the mixture of normal heptane and methyl ethyl ketone；Initiator select azodiisobutyronitrile or
Person's benzoyl peroxide, dissolving solvent used in initiator is methyl ethyl ketone.
In step 2, mix monomer butyl methacrylate, methyl methacrylate, acrylonitrile, acrylamide, methyl-prop
The mass ratio of olefin(e) acid is 6:0.5:3:0.3:0.2.
In step 3, organic silicone oil selects end group hydroxyl silicone oil.
In step 7, it is directly added into reaction kettle after cetostearyl alcohol melting, then after being diluted with methyl ethyl ketone.
Compared with prior art, beneficial effects of the present invention: 1, it is poly- for not having to expensive perfluorinated acrylate raw material
Monomer is closed, the use of cheap organic silicone oil is low-surface energy substance, equally achieves the good leather coating of hydrophobic effect；
2, without expensive, intensity is low, the nano silica of delustring prepares micro-nano coarse structure surface, but by cheap ten
Six octadecyl alcolols (cetostearyl alcohol is the mixture of solid fat alcohol, main component be about 50%~70% octadecyl alcolol and 20%~
35% hexadecanol, there are also a small amount of tetradecyl alchohol) in C14, C16, C18 Long carbon chain, in organosilicon Long carbon chain and acrylate
Methyl short carbon chain, the uneven in length male and fomale(M&F) for being stretched over coating surface composition jointly is micro-nano coarse structure, same to obtain
Hydrophobic effect good leather gloss agent coating；3, use normal heptane nonpolar solvent and methyl ethyl ketone polar solvent to be compound molten
Agent, the super-hydrophobic leather gloss agent solution uniformity of preparation, stability are good, can be not stratified with long term storage；4, used in the present invention
Raw material is cheap, is easy to get, and preparation process is simple, feasible, can be prepared on a large scale.
Detailed description of the invention
Fig. 1 is process flow chart of the invention
Fig. 2 is main chemical reactions formula of the invention.
Specific embodiment
Below with reference to specific implementation example and attached drawing, the present invention is described in further detail, but protection model of the invention
Enclose be not limited to it is as described below:
As shown in Figure 1 and Figure 2, the preparation of a kind of organosilicon and the super-hydrophobic leather gloss agent of cetostearyl alcohol modified polyacrylate
Method, comprising the following steps:
Step 1: 60%~80% organic solvent of monomer and solvent quality summation, 1/2 initiator solution to be added band and stir
It mixes in the more mouthfuls of reaction kettles with reflux condenser, is heated to 90 DEG C for use with constant temperature oil bath；
Step 2: by monomer with the 20%~40% of solvent quality summation containing butyl methacrylate, methyl methacrylate, third
Alkene nitrile, acrylamide, methacrylic acid mix monomer, 1/4 initiator solution is slowly dropped in reaction kettle；
Step 3: the organic silicone oil of monomer total amount 30%~50% is slowly added dropwise after mix monomer and initiator are added dropwise 15 minutes
Into glass reaction kettle, condensation reaction is carried out；
Step 4: the time for adding of all raw materials is 1.0h~3.0h, material reaction temperature is controlled at 90~95 DEG C；
Step 5: the initiator solution of residue 1/4 is added in reaction kettle after all raw materials drip, reaction temperature 90 is controlled
~95 DEG C of insulation reaction 1.0h~2.0h；
Step 6: being kept for 90~95 DEG C of material temperature, the concentrated sulfuric acid and monomer total amount 1.0%~10% of monomer total amount 0.1%~1.0% is added
Deionized water, hydrolysis 1.0h~3.0h under the conditions of 90~95 DEG C；
Step 7: the cetostearyl alcohol of monomer total amount 1.0%~10% is added, 1.0h~3.0h is reacted under the conditions of 90~95 DEG C；
Step 8: being cooled to 45 DEG C hereinafter, adjusting PH=7-8, discharging；
In step 1, organic solvent selects the mixture of normal heptane and methyl ethyl ketone；Initiator selects azodiisobutyronitrile or mistake
Benzoyl Oxide, dissolving solvent used in initiator is methyl ethyl ketone；
In step 2, mix monomer butyl methacrylate, methyl methacrylate, acrylonitrile, acrylamide, methacrylic acid
Mass ratio be 6:0.5:3:0.3:0.2；
In step 3, organic silicone oil selects end group hydroxyl silicone oil；
In step 7, it is directly added into reaction kettle after cetostearyl alcohol melting, then after being diluted with methyl ethyl ketone.
Embodiment 1
Step 1: normal heptane and methyl ethyl ketone mixed solvent 50g, 10g benzoyl peroxide first is added in tetra- mouthfuls of glass flasks of 250ml
Material is heated to 90 DEG C with constant temperature oil bath by the initiator solution of acyl and the first and second alcohol/ketone mixtures；
Step 2: weighing 12g butyl methacrylate, 1g methyl methacrylate, 6g acrylonitrile, 0.6g acrylamide, 0.4g
Methacrylic acid, and be slowly dropped in four mouthfuls of glass flasks after mixing, 5g benzoyl peroxide is mixed with methyl ethyl ketone
The initiator solution of object is slowly dropped in glass reaction kettle；
Step 3: after mix monomer and initiator are added dropwise 15 minutes, weighing 6g end group hydroxyl silicone oil, to be slowly dropped to glass anti-
It answers in kettle, carries out condensation reaction；
Step 4: all of above raw material is added dropwise in 1.0h, material reaction temperature is controlled at 90~95 DEG C；
Step 5: remaining 5g initiator solution is added in reaction kettle after all raw materials drip, reaction temperature 90~95 is controlled
DEG C insulation reaction 1.0h；
Step 6: being kept for 90~95 DEG C of material temperature, the 0.02g concentrated sulfuric acid and 0.2g deionized water is added, is lauched in 90~95 DEG C of conditions
Solution reaction 1.0h；
Step 7: weigh 0.2g cetostearyl alcohol, heating melting and with being added in glass reaction kettle after the dilution of 10g methyl ethyl ketone,
1.0h is reacted under the conditions of 90~95 DEG C；
Step 8: being cooled to 45 DEG C hereinafter, adjusting PH=7-8, discharging；
According to the super-hydrophobic leather gloss agent of raw material proportioning and the production method preparation of embodiment 1, the leather table of water after spray coating
The contact angle in face is 151.2 °, and roll angle is 8.8 °, and the brightness of leather and feel are all relatively good.
Embodiment 2
Step 1: normal heptane and methyl ethyl ketone mixed solvent 30g, 10g benzoyl peroxide first is added in tetra- mouthfuls of glass flasks of 250ml
Material is heated to 90 DEG C with constant temperature oil bath by the initiator solution of acyl and the first and second alcohol/ketone mixtures；
Step 2: weighing 24g butyl methacrylate, 2g methyl methacrylate, 12g acrylonitrile, 1.2g acrylamide, 0.8g
Methacrylic acid, and be slowly dropped in four mouthfuls of glass flasks after mixing, 5g benzoyl peroxide is mixed with methyl ethyl ketone
The initiator solution of object is slowly dropped in glass reaction kettle；
Step 3: after mix monomer and initiator are added dropwise 15 minutes, weighing 20g end group hydroxyl silicone oil, to be slowly dropped to glass anti-
It answers in kettle, carries out condensation reaction；
Step 4: all of above raw material is added dropwise in 3.0h, material reaction temperature is controlled at 90~95 DEG C；
Step 5: remaining 5g initiator solution is added in reaction kettle after all raw materials drip, reaction temperature 90~95 is controlled
DEG C insulation reaction 2.0h；
Step 6: being kept for 90~95 DEG C of material temperature, the 0.4g concentrated sulfuric acid and 4g deionized water is added, is hydrolyzed under the conditions of 90~95 DEG C anti-
Answer 3.0h；
Step 7: weigh 4g cetostearyl alcohol, heating melting and with being added in glass reaction kettle after the dilution of 10g methyl ethyl ketone, In
3.0h is reacted under the conditions of 90~95 DEG C；
Step 8: being cooled to 45 DEG C hereinafter, adjusting PH=7-8, discharging；
According to the super-hydrophobic leather gloss agent of raw material proportioning and the production method preparation of embodiment 2, the leather table of water after spray coating
The contact angle in face is 153.4 °, and roll angle is 7.2 °, and the brightness of leather and feel are all relatively good.
Embodiment 3
Step 1: normal heptane and methyl ethyl ketone mixed solvent 40g, 10g benzoyl peroxide first is added in tetra- mouthfuls of glass flasks of 250ml
Material is heated to 90 DEG C with constant temperature oil bath by the initiator solution of acyl and the first and second alcohol/ketone mixtures；
Step 2: weigh 18g butyl methacrylate, 1.5g methyl methacrylate, 9g acrylonitrile, 0.9g acrylamide,
0.6g methacrylic acid, and be slowly dropped in four mouthfuls of glass flasks after mixing, 5g benzoyl peroxide and methyl ethyl ketone
The initiator solution of mixture is slowly dropped in glass reaction kettle；
Step 3: after mix monomer and initiator are added dropwise 15 minutes, weighing 12g end group hydroxyl silicone oil, to be slowly dropped to glass anti-
It answers in kettle, carries out condensation reaction；
Step 4: all of above raw material is added dropwise in 2.0h, material reaction temperature is controlled at 90~95 DEG C；
Step 5: remaining 5g initiator solution is added in reaction kettle after all raw materials drip, reaction temperature 90~95 is controlled
DEG C insulation reaction 1.5h；
Step 6: being kept for 90~95 DEG C of material temperature, the 0.15g concentrated sulfuric acid and 1.5g deionized water is added, is lauched in 90~95 DEG C of conditions
Solution reaction 2.0h；
Step 7: weigh 1.5g cetostearyl alcohol, heating melting and with being added in glass reaction kettle after the dilution of 10g methyl ethyl ketone,
2.0h is reacted under the conditions of 90~95 DEG C；
Step 8: being cooled to 45 DEG C hereinafter, adjusting PH=7-8, discharging；
According to the super-hydrophobic leather gloss agent of raw material proportioning and the production method preparation of embodiment 3, the leather table of water after spray coating
The contact angle in face is 155.1 °, and roll angle is 6.4 °, and the brightness of leather and feel are all relatively good.
The contents of the present invention are not limited to cited by embodiment, and those of ordinary skill in the art are by reading description of the invention
And to any equivalent transformation that technical solution of the present invention is taken, all are covered by the claims of the invention.
Claims (5)
1. the preparation method of a kind of organosilicon and the super-hydrophobic leather gloss agent of cetostearyl alcohol modified polyacrylate, feature exist
In: preparation process the following steps are included:
Step 1: 60%~80% organic solvent of monomer and solvent quality summation, 1/2 initiator solution to be added band and stir
It mixes in the more mouthfuls of reaction kettles with reflux condenser, is heated to 90 DEG C for use with constant temperature oil bath；
Step 2: by monomer with the 20%~40% of solvent quality summation containing butyl methacrylate, methyl methacrylate, third
Alkene nitrile, acrylamide, methacrylic acid mix monomer, 1/4 initiator solution is slowly dropped in reaction kettle；
Step 3: the organic silicone oil of monomer total amount 30%~50% is slowly added dropwise after mix monomer and initiator are added dropwise 15 minutes
Into glass reaction kettle, condensation reaction is carried out；
Step 4: the time for adding of all raw materials is 1.0h~3.0h, material reaction temperature is controlled at 90~95 DEG C；
Step 5: the initiator solution of residue 1/4 is added in reaction kettle after all raw materials drip, reaction temperature 90 is controlled
~95 DEG C of insulation reaction 1.0h~2.0h；
Step 6: being kept for 90~95 DEG C of material temperature, the concentrated sulfuric acid and monomer total amount 1.0%~10% of monomer total amount 0.1%~1.0% is added
Deionized water, hydrolysis 1.0h~3.0h under the conditions of 90~95 DEG C；
Step 7: the cetostearyl alcohol of monomer total amount 1.0%~10% is added, 1.0h~3.0h is reacted under the conditions of 90~95 DEG C；
Step 8: being cooled to 45 DEG C hereinafter, adjusting PH=7-8, discharging.
2. a kind of organosilicon according to claim 1 and the super-hydrophobic leather gloss agent of cetostearyl alcohol modified polyacrylate
Preparation method, it is characterised in that: in the step 1, organic solvent select normal heptane and methyl ethyl ketone mixture；Initiator
Azodiisobutyronitrile or benzoyl peroxide are selected, dissolving solvent used in initiator is methyl ethyl ketone.
3. a kind of organosilicon according to claim 1 and the super-hydrophobic leather gloss agent of cetostearyl alcohol modified polyacrylate
Preparation method, it is characterised in that: in the step 2, mix monomer butyl methacrylate, methyl methacrylate, propylene
Nitrile, acrylamide, methacrylic acid mass ratio be 6:0.5:3:0.3:0.2.
4. a kind of organosilicon according to claim 1 and the super-hydrophobic leather gloss agent of cetostearyl alcohol modified polyacrylate
Preparation method, it is characterised in that: in the step 3, organic silicone oil select end group hydroxyl silicone oil.
5. a kind of organosilicon according to claim 1 and the super-hydrophobic leather gloss agent of cetostearyl alcohol modified polyacrylate
Preparation method, it is characterised in that: in the step 7, after cetostearyl alcohol melting, then be directly added into after being diluted with methyl ethyl ketone
In reaction kettle.
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| CN201810473046.3A CN110499104A (en) | 2018-05-17 | 2018-05-17 | A kind of preparation method of organosilicon and the super-hydrophobic leather gloss agent of cetostearyl alcohol modified polyacrylate |
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| CN201810473046.3A CN110499104A (en) | 2018-05-17 | 2018-05-17 | A kind of preparation method of organosilicon and the super-hydrophobic leather gloss agent of cetostearyl alcohol modified polyacrylate |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19924172A1 (en) * | 1999-05-25 | 2000-11-30 | Basf Coatings Ag | Coating material with a mixture of silicas and urea and / or urea derivatives |
| CN103059313A (en) * | 2012-12-17 | 2013-04-24 | 中山大桥化工集团有限公司 | Method for preparing organosilicon modified acrylic resin |
| CN103254351A (en) * | 2013-05-06 | 2013-08-21 | 陕西科技大学 | Preparation method of carboxyl silicon modified acrylic resin emulsion |
| CN107814866A (en) * | 2017-10-23 | 2018-03-20 | 陕西盛迈石油有限公司 | The preparation method of silicone-modified polyacrylate miniemulsion |
-
2018
- 2018-05-17 CN CN201810473046.3A patent/CN110499104A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19924172A1 (en) * | 1999-05-25 | 2000-11-30 | Basf Coatings Ag | Coating material with a mixture of silicas and urea and / or urea derivatives |
| CN103059313A (en) * | 2012-12-17 | 2013-04-24 | 中山大桥化工集团有限公司 | Method for preparing organosilicon modified acrylic resin |
| CN103254351A (en) * | 2013-05-06 | 2013-08-21 | 陕西科技大学 | Preparation method of carboxyl silicon modified acrylic resin emulsion |
| CN107814866A (en) * | 2017-10-23 | 2018-03-20 | 陕西盛迈石油有限公司 | The preparation method of silicone-modified polyacrylate miniemulsion |
Non-Patent Citations (1)
| Title |
|---|
| 北京化学工业研究院"合成塑料工艺学"翻译小组译: "《合成塑料工艺学》", 31 January 1962, 北京：中国工业出版社 * |
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