CN105969116A - Hydrophobic furniture coating and preparation method thereof - Google Patents
Hydrophobic furniture coating and preparation method thereof Download PDFInfo
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- CN105969116A CN105969116A CN201610187075.4A CN201610187075A CN105969116A CN 105969116 A CN105969116 A CN 105969116A CN 201610187075 A CN201610187075 A CN 201610187075A CN 105969116 A CN105969116 A CN 105969116A
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
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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
- C09D7/63—Additives non-macromolecular organic
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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
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a hydrophobic furniture coating, which is composed of the following raw materials (by weight): 1-2 parts of polyvinylidene fluoride, 4-6 parts of 2-perfluoroalkyl ethanol, 10-12 parts of tung oil, 0.06-0.07 part of sodium hydroxide, 3-4 parts of methanol, 0.1-0.2 part of perfluorosulfonate resin, 6-8 parts of acetic acid, 10-15 parts of 26-30% hydrogen peroxide, 10-17 parts of tetraethyl orthosilicate, 0.1-0.2 part of Y-chloropropyltrimethoxysilane, 70-80 parts of unsaturated polyester resin, 0.6-1 part of methylethyl ketone peroxide, 0.8-1 part of N-hydroxymethyl acrylamide, 2-3 parts of Salatrim, 16-20 parts of wollastonite powder, 0.7-1 part of triterpenoid saponin, 0.1-0.3 part of stannous sulfate and 1-2 parts of tetrapolyricinoleate. By using perfluorosulfonate resin as a catalyst and adding 2-perfluoroalkyl ethanol, hydrophobicity of a film of the finished product is effectively raised.
Description
Technical field
The present invention relates to coatings for furniture technical field, particularly relate to a kind of hydrophobic coatings for furniture and preparation method thereof.
Background technology
Saturated polyester resin is to prepare one of conventional film-forming resin of coating, but use unsaturated polyester resins for general purpose to there is the shortcomings such as resistance to water, solvent resistance, thermostability and poor mechanical property when preparing coating, need unsaturated polyester resin is modified to improve its combination property and currently mainly utilize polyurethane or base polyurethane prepolymer for use as, acrylic resin, epoxy resin, organosilicon, nano material and vegetable oil etc. unsaturated polyester resin to be modified to improving performance when it prepares coating.Wherein, plant oil modified unsaturated polyester vinegar resin is increasingly paid attention to by people.Vegetable oil is incorporated in unsaturated polyester resin by chemical reaction, easily cause the polyreaction of vegetable oil self, make the limited vegetable oil of modified effect also due to both poor compatibility, modification can be caused by the method modified unsaturated polyester resin being blended to fall flat.Therefore, after vegetable oil derivatization, improve the compatibility of vegetable oil and unsaturated polyester resin, be the important channel of plant oil modified unsaturated polyester resin.
In crude vegetal, Oleum Verniciae fordii is more special, and its main component is eleostearic acid glyceride, has conjugated triene structures, can be used alone in oil-based paint, it is also possible to neutralize other semi-drying oils at synthetic resin coating, non-drying oil is used in mixed way.Oleum Verniciae fordii also has good water proofing property, is widely used in building, paints, prints aspects such as (ink).
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of hydrophobic coatings for furniture and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of hydrophobic coatings for furniture, it is made up of the raw material of following weight parts:
Kynoar 1-2, perfluoroalkyl ethyl alcohol 4-6, Oleum Verniciae fordii 10-12, sodium hydroxide 0.06-0.07, methanol 3-4, perfluorinated sulfonic resin 0.1-0.2, acetic acid 6-8, the hydrogen peroxide 10-15 of 26-30%, tetraethyl orthosilicate 10-17, Y-r-chloropropyl trimethoxyl silane 0.1-0.2, unsaturated polyester resin 70-80, methyl ethyl ketone peroxide 0.6-1, N hydroxymethyl acrylamide 0.8-1, short and long-chain acyl triglyceride molecules 2-3, wollastonite in powder 16-20, triterpene saponin 0.7-1, stannous sulfate 0.1-0.3, four poly-ricinoleate ester 1-2.
The preparation method of a kind of described hydrophobic coatings for furniture, comprises the following steps:
(1) joining in Oleum Verniciae fordii by above-mentioned methanol, add sodium hydroxide, react 70-80 minute at 37-40 DEG C under stirring condition, distill methanol removal, stratification, the supernatant liquid of collection first with sulfuric acid scrubbing, the washing of reusable heat water, distillation dehydration, obtains methyl eleostearate；
(2) 50-60% of above-mentioned methyl eleostearate, perfluorinated sulfonic resin, above-mentioned acetic acid weight is mixed, rise high-temperature and be 60-68 DEG C, the hydrogen peroxide of above-mentioned 26-30% is dripped under stirring condition, insulation reaction 3-4 hour after dropping, filter, filtrate is neutralized with alkali, washing, it is vacuum dried 3-4 hour at 50-60 DEG C, obtains epoxidation methyl eleostearate；
(3) by above-mentioned N hydroxymethyl acrylamide, triterpene saponin mixing, join in the deionized water of compound weight 30-40 times, stir, for amine emulsion；
(4) being joined by above-mentioned Kynoar in the dimethyl carbonate of its weight 6-8 times, stir, add four poly-ricinoleate esters, send in the oil bath of 130-135 DEG C, insulated and stirred 20-30 minute, discharging cools down, for modified polyvinilidene fluoride；
(5) above-mentioned short and long-chain acyl triglyceride molecules is joined in perfluoroalkyl ethyl alcohol, insulated and stirred 6-10 minute at 70-80 DEG C, obtain hydrophobic alcohol liquid；
(6) by above-mentioned tetraethyl orthosilicate, the mixing of epoxidation methyl eleostearate, warming temperature is 36-40 DEG C, add remaining acetic acid, insulated and stirred 10-20 minute, drip the deionized water of above-mentioned mixed system weight 60-70%, it is sequentially added into Y-r-chloropropyl trimethoxyl silane, amine emulsion after dropping, at 76-80 DEG C, is incubated 6-7 hour, obtains silica sol modified epoxidation methyl eleostearate；
(7) by above-mentioned modified polyvinilidene fluoride, the mixing of silica sol modified epoxidation methyl eleostearate, stirring, be heated to 80-90 DEG C, add hydrophobic alcohol liquid, insulated and stirred 20-30 minute, add stannous sulfate, stirring, to room temperature, must premix ester material；
(8) above-mentioned premix ester material is mixed with remaining each raw material, melt extruded by extruder, after then tabletting is broken, then through pulverizing, sieving, to obtain final product.
The invention have the advantage that in the epoxidation methyl eleostearate molecular structure of the present invention and contain epoxy bond and double bond simultaneously, with the carboxyl in unsaturated polyester resin, hydroxyl and double bond, oxidation cross-linked reaction can occur, improve the crosslink density of film, improve filming performance, thus improve the hot strength of film, also improve hardness and the shock resistance of film to a certain extent simultaneously；
Containing hydrophobic fatty acid Long carbon chain in the epoxidation methyl eleostearate of the present invention, when Oleum Verniciae fordii derivant is dispersed in film forming in unsaturated polyester resin, these hydrophobic aliphatic hydrocarbyl groups are at film surface enrichment, film is made to be in a kind of low-surface-energy state, reduce the combination energy on surface and hydrone, thus reduce the water absorption rate of unsaturated polyester resin film, improve unsaturated polyester resin water resistance；
The epoxidation methyl eleostearate of the present invention contains conjugated double bond, and conjugated double bond, in the film forming later stage, occurs oxidation cross-linked, forming network polymers, so that it is tightr to be combined with each other between molecule, the density of film increases, solvent molecule slows down at the permeating speed of film coated surface, thus solvent resistance strengthens；
The epoxidation methyl eleostearate of the present invention has aliphatic long-chain hydrocarbon, and long chain hydrocarbon can play the effect of plasticising in resin, it is possible to strengthen the flexility of unsaturated polyester resin.
The present invention is with perfluorinated sulfonic resin as catalyst, and adds perfluoroalkyl ethyl alcohol, effectively raises the hydrophobic performance of finished product film.
Detailed description of the invention
A kind of hydrophobic coatings for furniture, it is made up of the raw material of following weight parts:
Kynoar 1, perfluoroalkyl ethyl alcohol 4, Oleum Verniciae fordii 10, sodium hydroxide 0.06, methanol 3, perfluorinated sulfonic resin 0.1, the hydrogen peroxide 10 of acetic acid 6,26%, tetraethyl orthosilicate 10, Y r-chloropropyl trimethoxyl silane 0.1, unsaturated polyester resin 70, methyl ethyl ketone peroxide 0.6, N n-methylolacrylamide 0.8, short and long-chain acyl triglyceride molecules 2, wollastonite in powder 16, triterpene saponin 0.7, the poly-ricinoleate ester 1 of stannous sulfate 0.1, four.
The preparation method of a kind of described hydrophobic coatings for furniture, comprises the following steps:
(1) joining in Oleum Verniciae fordii by above-mentioned methanol, add sodium hydroxide, react 70 minutes at 37 DEG C under stirring condition, distill methanol removal, stratification, the supernatant liquid of collection first with sulfuric acid scrubbing, the washing of reusable heat water, distillation dehydration, obtains methyl eleostearate；
(2) by above-mentioned methyl eleostearate, perfluorinated sulfonic resin, 50% mixing of above-mentioned acetic acid weight, rising high-temperature is 60 DEG C, the hydrogen peroxide of above-mentioned 26% is dripped under stirring condition, insulation reaction 3 hours after dropping, filter, filtrate is neutralized with alkali, washing, it is vacuum dried 3 hours at 50 DEG C, obtains epoxidation methyl eleostearate；
(3) by above-mentioned N n-methylolacrylamide, triterpene saponin mixing, join in the deionized water of compound weight 30 times, stir, for amine emulsion；
(4) being joined by above-mentioned Kynoar in the dimethyl carbonate of its weight 6 times, stir, add four poly-ricinoleate esters, send in the oil bath of 130 DEG C, insulated and stirred 20 minutes, discharging cools down, for modified polyvinilidene fluoride；
(5) above-mentioned short and long-chain acyl triglyceride molecules is joined in perfluoroalkyl ethyl alcohol, insulated and stirred 6 minutes at 70 DEG C, obtain hydrophobic alcohol liquid；
(6) by above-mentioned tetraethyl orthosilicate, the mixing of epoxidation methyl eleostearate, warming temperature is 36 DEG C, add remaining acetic acid, insulated and stirred 10 minutes, drip the deionized water of above-mentioned mixed system weight 60%, it is sequentially added into Y r-chloropropyl trimethoxyl silane, amine emulsion after dropping, at 76 DEG C, is incubated 6 hours, obtains silica sol modified epoxidation methyl eleostearate；
(7) by above-mentioned modified polyvinilidene fluoride, the mixing of silica sol modified epoxidation methyl eleostearate, stirring, be heated to 80 DEG C, add hydrophobic alcohol liquid, insulated and stirred 20 minutes, add stannous sulfate, stirring, to room temperature, must premix ester material；
(8) above-mentioned premix ester material is mixed with remaining each raw material, melt extruded by extruder, after then tabletting is broken, then through pulverizing, sieving, to obtain final product.
Performance test:
Impact resistance: >=50kg/cm；
Hardness: 2H.
Claims (2)
1. a hydrophobic coatings for furniture, it is characterised in that it is made up of the raw material of following weight parts:
Kynoar 1-2, perfluoroalkyl ethyl alcohol 4-6, Oleum Verniciae fordii 10-12, sodium hydroxide 0.06-0.07, methanol 3-4, perfluorinated sulfonic resin 0.1-0.2, acetic acid 6-8, the hydrogen peroxide 10-15 of 26-30%, tetraethyl orthosilicate 10-17, Y-r-chloropropyl trimethoxyl silane 0.1-0.2, unsaturated polyester resin 70-80, methyl ethyl ketone peroxide 0.6-1, N hydroxymethyl acrylamide 0.8-1, short and long-chain acyl triglyceride molecules 2-3, wollastonite in powder 16-20, triterpene saponin 0.7-1, stannous sulfate 0.1-0.3, four poly-ricinoleate ester 1-2.
2. the preparation method of a hydrophobic coatings for furniture as claimed in claim 1, it is characterised in that comprise the following steps:
(1) joining in Oleum Verniciae fordii by above-mentioned methanol, add sodium hydroxide, react 70-80 minute at 37-40 DEG C under stirring condition, distill methanol removal, stratification, the supernatant liquid of collection first with sulfuric acid scrubbing, the washing of reusable heat water, distillation dehydration, obtains methyl eleostearate；
(2) 50-60% of above-mentioned methyl eleostearate, perfluorinated sulfonic resin, above-mentioned acetic acid weight is mixed, rise high-temperature and be 60-68 DEG C, the hydrogen peroxide of above-mentioned 26-30% is dripped under stirring condition, insulation reaction 3-4 hour after dropping, filter, filtrate is neutralized with alkali, washing, it is vacuum dried 3-4 hour at 50-60 DEG C, obtains epoxidation methyl eleostearate；
(3) by above-mentioned N hydroxymethyl acrylamide, triterpene saponin mixing, join in the deionized water of compound weight 30-40 times, stir, for amine emulsion；
(4) being joined by above-mentioned Kynoar in the dimethyl carbonate of its weight 6-8 times, stir, add four poly-ricinoleate esters, send in the oil bath of 130-135 DEG C, insulated and stirred 20-30 minute, discharging cools down, for modified polyvinilidene fluoride；
(5) above-mentioned short and long-chain acyl triglyceride molecules is joined in perfluoroalkyl ethyl alcohol, insulated and stirred 6-10 minute at 70-80 DEG C, obtain hydrophobic alcohol liquid；
(6) by above-mentioned tetraethyl orthosilicate, the mixing of epoxidation methyl eleostearate, warming temperature is 36-40 DEG C, add remaining acetic acid, insulated and stirred 10-20 minute, drip the deionized water of above-mentioned mixed system weight 60-70%, it is sequentially added into Y-r-chloropropyl trimethoxyl silane, amine emulsion after dropping, at 76-80 DEG C, is incubated 6-7 hour, obtains silica sol modified epoxidation methyl eleostearate；
(7) by above-mentioned modified polyvinilidene fluoride, the mixing of silica sol modified epoxidation methyl eleostearate, stirring, be heated to 80-90 DEG C, add hydrophobic alcohol liquid, insulated and stirred 20-30 minute, add stannous sulfate, stirring, to room temperature, must premix ester material；
(8) above-mentioned premix ester material is mixed with remaining each raw material, melt extruded by extruder, after then tabletting is broken, then through pulverizing, sieving, to obtain final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187075.4A CN105969116A (en) | 2016-03-28 | 2016-03-28 | Hydrophobic furniture coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187075.4A CN105969116A (en) | 2016-03-28 | 2016-03-28 | Hydrophobic furniture coating and preparation method thereof |
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| CN105969116A true CN105969116A (en) | 2016-09-28 |
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| CN201610187075.4A Withdrawn CN105969116A (en) | 2016-03-28 | 2016-03-28 | Hydrophobic furniture coating and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102993921A (en) * | 2012-10-24 | 2013-03-27 | 宿迁市英杰装饰材料有限公司 | Powder coating with low-temperature curing function |
| CN103601703A (en) * | 2013-07-11 | 2014-02-26 | 中南林业科技大学 | Method for preparing epoxy methyl eleostearate from tung oil |
| CN103881341A (en) * | 2014-04-04 | 2014-06-25 | 中南林业科技大学 | Tung oil derivative-modified unsaturated polyester resin composition and preparation method thereof |
-
2016
- 2016-03-28 CN CN201610187075.4A patent/CN105969116A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102993921A (en) * | 2012-10-24 | 2013-03-27 | 宿迁市英杰装饰材料有限公司 | Powder coating with low-temperature curing function |
| CN103601703A (en) * | 2013-07-11 | 2014-02-26 | 中南林业科技大学 | Method for preparing epoxy methyl eleostearate from tung oil |
| CN103881341A (en) * | 2014-04-04 | 2014-06-25 | 中南林业科技大学 | Tung oil derivative-modified unsaturated polyester resin composition and preparation method thereof |
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Application publication date: 20160928 |
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