CN105969129A - Tung oil modified furniture coating and preparation method thereof - Google Patents

Tung oil modified furniture coating and preparation method thereof Download PDF

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Publication number
CN105969129A
CN105969129A CN201610187093.2A CN201610187093A CN105969129A CN 105969129 A CN105969129 A CN 105969129A CN 201610187093 A CN201610187093 A CN 201610187093A CN 105969129 A CN105969129 A CN 105969129A
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China
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mentioned
parts
methyl eleostearate
tung oil
resin
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CN201610187093.2A
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Chinese (zh)
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刘夏南
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Individual
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Individual
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Priority to CN201610187093.2A priority Critical patent/CN105969129A/en
Publication of CN105969129A publication Critical patent/CN105969129A/en
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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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D301/00—Preparation of oxiranes
    • C07D301/02—Synthesis of the oxirane ring
    • C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
    • C07D301/12—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with hydrogen peroxide or inorganic peroxides or peracids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
    • C07D303/02—Compounds containing oxirane rings
    • C07D303/38—Compounds containing oxirane rings with hydrocarbon radicals, substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D303/40—Compounds containing oxirane rings with hydrocarbon radicals, substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals by ester radicals
    • C07D303/42—Acyclic compounds having a chain of seven or more carbon atoms, e.g. epoxidised fats
    • 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
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2312/00—Crosslinking

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a tung oil modified furniture coating, which is composed of the following raw materials (by weight): 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 methyl ethyl ketone peroxide and 18-20 parts of vermiculite power. Epoxidized methyl eleostearate has aliphatic long-chain hydrocarbon which can have a plastifying effect in resin and can enhance flexibility of unsaturated polyester resin.

Description

A kind of tung oil-modified coatings for furniture and preparation method thereof
Technical field
The present invention relates to coatings for furniture technical field, particularly relate to a kind of tung oil-modified 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 tung oil-modified coatings for furniture and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of tung oil-modified coatings for furniture, it is made up of the raw material of following weight parts:
Oleum Verniciae fordii 10-12, sodium hydroxide 0.06-0.07, methanol 3-4, perfluorinated sulfonic resin 0.1-0.2, the hydrogen peroxide 10-15 of acetic acid 6-8,26-30%, 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, vermiculite power 18-20.
The preparation method of a kind of described tung oil-modified 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 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%, add Y-r-chloropropyl trimethoxyl silane after dropping, at 76-80 DEG C, be incubated 6-7 hour, obtain silica sol modified epoxidation methyl eleostearate；
(4) above-mentioned silica sol modified epoxidation methyl eleostearate 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.
Detailed description of the invention
A kind of tung oil-modified coatings for furniture, it is made up of the raw material of following weight parts:
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, vermiculite power 18.
The preparation method of a kind of described tung oil-modified 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 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%, add Y r-chloropropyl trimethoxyl silane after dropping, at 76 DEG C, be incubated 6 hours, obtain silica sol modified epoxidation methyl eleostearate；
(4) above-mentioned silica sol modified epoxidation methyl eleostearate 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 tung oil-modified coatings for furniture, it is characterised in that it is made up of the raw material of following weight parts:
Oleum Verniciae fordii 10-12, sodium hydroxide 0.06-0.07, methanol 3-4, perfluorinated sulfonic resin 0.1-0.2, the hydrogen peroxide 10-15 of acetic acid 6-8,26-30%, 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, vermiculite power 18-20.
2. the preparation method of a tung oil-modified 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 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%, add Y-r-chloropropyl trimethoxyl silane after dropping, at 76-80 DEG C, be incubated 6-7 hour, obtain silica sol modified epoxidation methyl eleostearate；
(4) above-mentioned silica sol modified epoxidation methyl eleostearate is mixed with remaining each raw material, melt extruded by extruder, after then tabletting is broken, then through pulverizing, sieving, to obtain final product.
CN201610187093.2A 2016-03-29 2016-03-29 Tung oil modified furniture coating and preparation method thereof Withdrawn CN105969129A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610187093.2A CN105969129A (en) 2016-03-29 2016-03-29 Tung oil modified furniture coating and preparation method thereof

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Application Number Priority Date Filing Date Title
CN201610187093.2A CN105969129A (en) 2016-03-29 2016-03-29 Tung oil modified furniture coating and preparation method thereof

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CN105969129A true CN105969129A (en) 2016-09-28

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Citations (3)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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