CN101585910A - Utilize waste polyester bottle to prepare the technology of Synolac - Google Patents
Utilize waste polyester bottle to prepare the technology of Synolac Download PDFInfo
- Publication number
- CN101585910A CN101585910A CNA2008100160804A CN200810016080A CN101585910A CN 101585910 A CN101585910 A CN 101585910A CN A2008100160804 A CNA2008100160804 A CN A2008100160804A CN 200810016080 A CN200810016080 A CN 200810016080A CN 101585910 A CN101585910 A CN 101585910A
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- CN
- China
- Prior art keywords
- synolac
- technology
- oil
- add
- tetramethylolmethane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920000728 polyester Polymers 0.000 title claims abstract description 23
- 238000005516 engineering process Methods 0.000 title claims abstract description 18
- 239000002699 waste material Substances 0.000 title claims abstract description 9
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000002360 preparation method Methods 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 14
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000032050 esterification Effects 0.000 claims abstract description 11
- 238000005886 esterification reaction Methods 0.000 claims abstract description 11
- 239000002904 solvent Substances 0.000 claims abstract description 10
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims abstract description 9
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims abstract description 9
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims abstract description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 6
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 24
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 22
- 229940059574 pentaerithrityl Drugs 0.000 claims description 14
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 14
- 238000010792 warming Methods 0.000 claims description 12
- 235000011187 glycerol Nutrition 0.000 claims description 11
- 235000010469 Glycine max Nutrition 0.000 claims description 10
- 244000068988 Glycine max Species 0.000 claims description 10
- 239000000376 reactant Substances 0.000 claims description 10
- 238000006136 alcoholysis reaction Methods 0.000 claims description 6
- 239000003963 antioxidant agent Substances 0.000 claims description 6
- 230000003078 antioxidant effect Effects 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000007670 refining Methods 0.000 claims description 3
- 230000008030 elimination Effects 0.000 claims description 2
- 238000003379 elimination reaction Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000003973 paint Substances 0.000 description 11
- 229920005989 resin Polymers 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 6
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 4
- 229920000180 alkyd Polymers 0.000 description 4
- 239000004922 lacquer Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 235000013361 beverage Nutrition 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- -1 polyethylene terephthalate Polymers 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000006253 efflorescence Methods 0.000 description 1
- 239000002320 enamel (paints) Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Paints Or Removers (AREA)
Abstract
A kind of technology of utilizing the waste polyester bottle preparation to produce Synolac, use following proportion raw material, after esterification, finally make the Synolac finished product: oily 20-25%, polyvalent alcohol 5.5-8.2%, polyester bottles 13-15%, dimethylbenzene 2.5-3%, MALEIC ANHYDRIDE 1-2%, rosin 0-7%, 200# solvent oil 45-50%.Production cost of the present invention is low, and the performance of the Synolac that makes has had and significantly improves, and has utilized waste and old resource, has favorable economic benefit and social benefit.
Description
Affiliated technical field
The present invention relates to paint the resin manufacture technology in the manufacturing, especially utilize waste polyester bottle to replace phthalic anhydride to prepare the technology of Synolac.
Background technology
Synolac is a kind of coating synthetic resins, may be used solely to system lacquer, for example makes priming paint, finish paint, varnish etc., also can with system lacquer after the mixed with resin of other classifications, of many uses.At present, the method for preparing Synolac commonly used is under the condition that catalyzer exists, and utilizes raw materials such as soya-bean oil, polyvalent alcohol and phthalic anhydride, makes through esterification.In recent years, be subjected to the influence of rise in oil price, the impetus that the raw material of preparation Synolac goes up is stronger, makes production cost greatly increase.Therefore, how to utilize low cost raw material to replace known raw material production Synolac, become the important content that people improve alkyd resin production technology, but this work makes little progress so far.Number of patent application is to disclose a kind of alkyd resin production technology of utilizing crude terephthalic acid to substitute most of phthalic anhydride in 200710021495.6 the application for a patent for invention Publication Specification, production cost is slightly reduced, but the crude terephthalic acid on the market still costs an arm and a leg, more than 8000 yuan per ton have been reached at present, and the Synolac that makes in this way, its result of use is also undesirable.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned prior art, provide a kind of waste polyester bottle that utilizes to substitute the technology that phthalic anhydride is made the feedstock production Synolac, this preparation method's production cost is low, and the resin result of use that makes is good.
For achieving the above object, the feature of technical solution of the present invention is to use following proportion raw material by weight percentage, after esterification, finally make the Synolac finished product: oily 20-25%, polyvalent alcohol 5.5-8.2%, polyester bottles 13-15%, dimethylbenzene 2.5-3%, MALEIC ANHYDRIDE 1-2%, rosin 0-7%, 200# solvent oil 45-50%, wherein MALEIC ANHYDRIDE is used as catalyzer.
The said oil of the present invention is meant refining soya-bean oil, soya-bean oil or acidifying oil; Said polyvalent alcohol is tetramethylolmethane and/or glycerine, and when selecting tetramethylolmethane for use separately, its weight percent is 6-7.5%, and when the two was selected for use simultaneously, its weight percent was respectively: glycerine 1.0-1.6%, tetramethylolmethane 4.5-6.5%.Also can add the lithium hydroxide of 0.007-0.01% (weight) in the reactant as antioxidant.
The present invention adopts and is prepared as follows step: add reactant oil and rosin in reaction vessel, afterwards under the condition of continuous attemperation, add tetramethylolmethane successively, alcoholysis to clear back adds polyester bottle slice, degraded adds MALEIC ANHYDRIDE, backflow dimethylbenzene to transparent back, esterification is incubated when viscosity is 3.5-10s (Ge Shi pipe, 25 ℃), acid value≤10mgKOH/g lowers the temperature, resultant is added 200# solvent oil latting drown, promptly make the Synolac finished product behind the elimination waste residue.
Above said continuous attemperation be meant: add tetramethylolmethane when temperature rises to 220 ℃, be warming up to 240 ℃ then, after alcoholysis is extremely clear, add polyester bottle slice when continuing to be warming up to 250 ℃, maintain the temperature at 250-260 ℃ of degraded after transparent, add MALEIC ANHYDRIDE, backflow dimethylbenzene when being cooled to 210 ℃, esterification insulation when being warming up to 230-240 ℃ then.
In the above-mentioned preparation process, also comprise glycerine in the reactant, can add the antioxidant lithium hydroxide when reactant is warming up to 120 ℃.
The present invention is the effective constituent polyethylene terephthalate that utilizes polyester beverage bottle, mineral water bottle, make it grafting in the Synolac system by edman degradation Edman, replace the main raw material phthalic anhydride in the original production process, then by refluxing xylene method control esterification temperature, the effective constituent polyethylene terephthalate that makes polyester bottles is after degraded, generate incomplete ester with oil and polyprotonic acid in the system through alcoholysis, under the effect of catalyzer, hydroxyl in the system, carboxyl are redistributed and are formed new polycondensation structure, thereby make modified alkyd resin.
The consumption of each reactant of the present invention only is the test adequate value, the consumption of polyester bottles for example, if consumption is lower than 13%, then the reaction times prolongs, and the resin transparent that makes is poor, if consumption is higher than 15%, then the reaction times shortens, but therefore the color of resin that makes intensification selects for use the consumption of 13-15% comparatively appropriate, but depart from a small quantity, still belong to scope of the present invention.Equally, temperature control in the preparation process also belongs to the test adequate value, for example add the degradation temperature after the polyester bottles, if temperature is lower than 250 ℃, then resin is unclear, and when temperature is higher than 260 ℃, degradation time shortens, the transparency of resin, but the investment that may increase high temperature service, so chooses 250-260 ℃ and be advisable, but this temperature value is not an accurate must value of the present invention.
One of beneficial effect of the present invention is to have reduced production cost.The present invention adopts the lower useless polyester beverage bottle of price to replace the higher raw material phthalic anhydride of price, and resin of every production can be saved more than 100 yuan of production cost, thereby makes production cost reduce greatly.Another beneficial effect of the present invention is that the performance of the Synolac that makes has had and significantly improves.In the former Synolac because of containing hydroxyl and carboxyl functional group, thereby water tolerance, resistance to salt water are relatively poor, and the effective constituent polyethylene terephthalate of the polyester beverage bottle that the present invention uses itself is exactly a kind of not labile high polymeric compound, relatively stronger stability and corrosion-resistant, weather resistance, anti-strong solvent are arranged, it is grafted in the Synolac can be the together good barrier of paint film increase of resin, thus the quality of raising alkyd paint.It is the utilization ratio that has improved scrap feed material that the present invention also has a beneficial effect, has saved resource, also can reduce the pollution of white garbage, has the good social benefit.
Embodiment
Embodiment 1, present embodiment adopt following proportioning raw materials by weight percentage: refining soya-bean oil 21%, glycerine 1.5%, lithium hydroxide 0.010%, tetramethylolmethane 5%, polyester bottles 20%, MALEIC ANHYDRIDE 2%, dimethylbenzene 2.8%, 200# solvent oil 45%.
The preparation process of present embodiment is as follows: will make with extra care soya-bean oil, glycerine adds intensification in the reactor, add the antioxidant lithium hydroxide during to 120 ℃, add tetramethylolmethane when continuing to be warming up to 220 ℃, insulation after being warming up to 240 ℃, add polyester bottle slice when being warming up to 250 ℃ after alcoholysis is extremely clear, maintain the temperature at 250-260 ℃, add MALEIC ANHYDRIDE when being cooled to 210 ℃ after degraded is extremely clear, backflow dimethylbenzene, and then be warming up to 230-240 ℃ and carry out esterification insulation, when viscosity is 7-10s (Ge Shi pipe, 25 ℃), during acid value≤10mgKOH/g, lowering the temperature still, add 200# solvent oil latting drown, promptly get the Synolac finished product after the filtration.The Synolac that present embodiment makes is particularly suitable for being used for preparing enamel paint, the synthetic enamel glossiness height that it is made, and anti-efflorescence, gloss retention are good.
Embodiment 2, present embodiment adopt the following raw materials according proportioning by weight percentage: soya-bean oil 24%, glycerine 1.2%, lithium hydroxide 0.01%, rosin 4%, tetramethylolmethane 6%, polyester bottles 13%, MALEIC ANHYDRIDE 2%, 2.8%, No. 200 solvent oil 45% of dimethylbenzene.
The preparation process of present embodiment is with embodiment 1, just increase rosin in the raw material, soya-bean oil, glycerine and rosin need be added in the reactor in the lump and heat up, after after the esterification insulation, when viscosity is 3.5-4.5s (Ge Shi pipe, 25 ℃), during acid value≤10mgKOH/g, cooling, latting drown, filtration, finished product.The Synolac that present embodiment makes is particularly suitable for being used for preparing ready mixed paint, rust-inhibiting paint and priming paint.
Embodiment 3, present embodiment adopt the following raw materials according proportioning by weight percentage: acidifying oil 20%, rosin 5%, tetramethylolmethane 6.5%, polyester bottles 15%, MALEIC ANHYDRIDE 1.2%, 2.8%, No. 200 solvent oil 45% of dimethylbenzene.
The preparation process of present embodiment does not just adopt glycerine in the raw material with embodiment 2, and adopts acidifying oil to replace soya-bean oil.The Synolac that present embodiment makes is particularly suitable for being used for preparing rust proof paint, has water tolerance and resistance to salt water preferably.
The Synolac that makes by the foregoing description all has special preservative property.After being made into iron oxide red anticorrosive paint, middle grey rust-inhibiting paint and iron oxide red primer, coat with lacquer respectively on the model, the above-mentioned lacquer made from former Synolac compares, and can obviously find out this effect.Its comparing result sees the following form:
Claims (9)
1, a kind of technology of utilizing waste polyester bottle to prepare Synolac, it is characterized in that using by weight percentage following proportion raw material, after esterification, finally make the Synolac finished product: oily 20-25%, polyvalent alcohol 5.5-8.2%, polyester bottles 13-15%, dimethylbenzene 2.5-3%, MALEIC ANHYDRIDE 1-2%, rosin 0-7%, 200# solvent oil 45-50%, wherein MALEIC ANHYDRIDE is used as catalyzer.
2, the technology of preparation Synolac as claimed in claim 1 is characterized in that also can adding in the reactant lithium hydroxide of 0.007-0.01% (weight) as antioxidant.
3, the technology of preparation Synolac as claimed in claim 1, it is characterized in that said polyvalent alcohol is tetramethylolmethane and/or glycerine, when selecting tetramethylolmethane for use separately, its weight percent is 6-7.5%, when the two is selected for use simultaneously, its weight percent is respectively: glycerine 1.0-1.6%, tetramethylolmethane 4.5-6.5%.
4, the technology of preparation Synolac as claimed in claim 1 is characterized in that said oil is meant refining soya-bean oil, soya-bean oil or acidifying oil.
5, the technology of preparation Synolac as claimed in claim 3, it is characterized in that adopting and be prepared as follows step: in reaction vessel, add reactant oil and rosin, afterwards under the condition of continuous attemperation, add tetramethylolmethane successively, alcoholysis to clear back adds polyester bottle slice, degraded to transparent back adds MALEIC ANHYDRIDE, backflow dimethylbenzene, it is that (Ge Shi manages 3.5-10s that esterification is incubated to viscosity, 25 ℃), lower the temperature during acid value≤10mgKOH/g, resultant is added 200# solvent oil latting drown, promptly make the Synolac finished product behind the elimination waste residue.
6, the technology of preparation Synolac as claimed in claim 5, it is characterized in that said continuous attemperation is meant: add tetramethylolmethane when temperature rises to 220 ℃, be warming up to 240 ℃ then, after alcoholysis is extremely clear, add polyester bottle slice when continuing to be warming up to 250 ℃, maintain the temperature at 250-260 ℃ of degraded after transparent, add MALEIC ANHYDRIDE, backflow dimethylbenzene when being cooled to 210 ℃, esterification insulation when being warming up to 230-240 ℃ then.
7, the technology of preparation Synolac as claimed in claim 5 is characterized in that also comprising in the reactant glycerine.
8, the technology of preparation Synolac as claimed in claim 5 is characterized in that also can adding the antioxidant lithium hydroxide after the adding reactant tentatively heats up in the reaction vessel.
9, the technology of preparation Synolac as claimed in claim 8 adds the antioxidant lithium hydroxide when it is characterized in that being warming up to 120 ℃ behind the adding reactant in the reaction vessel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2008100160804A CN101585910B (en) | 2008-05-21 | 2008-05-21 | Process for preparing alkyd by using waste polyester bottle |
Applications Claiming Priority (1)
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CN2008100160804A CN101585910B (en) | 2008-05-21 | 2008-05-21 | Process for preparing alkyd by using waste polyester bottle |
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CN101585910A true CN101585910A (en) | 2009-11-25 |
CN101585910B CN101585910B (en) | 2011-09-21 |
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CN2008100160804A Expired - Fee Related CN101585910B (en) | 2008-05-21 | 2008-05-21 | Process for preparing alkyd by using waste polyester bottle |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101845209A (en) * | 2010-05-11 | 2010-09-29 | 广东嘉宝莉化工集团有限公司 | Soybean oil modified alkyd as well as preparation method and application thereof in coating |
CN102432851A (en) * | 2011-09-06 | 2012-05-02 | 天长市开林化工有限公司 | Liquid alkyd resin and preparation method thereof |
CN103601877A (en) * | 2013-11-14 | 2014-02-26 | 新疆红山涂料有限公司 | High-solid alkyd resin and preparation method thereof |
CN104479080A (en) * | 2014-12-31 | 2015-04-01 | 中昊北方涂料工业研究设计院有限公司 | Aqueous dispersion coating prepared by adopting PET waste material and soya oil acid |
CN104530401A (en) * | 2015-01-05 | 2015-04-22 | 陕西源源化工有限责任公司 | Alkyd resin and preparation method thereof |
CN105934462A (en) * | 2014-01-27 | 2016-09-07 | 威士伯采购公司 | Water-reducible coating composition |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1090294A (en) * | 1993-10-18 | 1994-08-03 | 柳培溪 | A kind of manufacture method of terylene alkyd resin against weathering and ageing for paint |
DE60208732T8 (en) * | 2001-03-30 | 2007-05-03 | Kansai Paint Co., Ltd., Amagasaki | Process for the preparation of an aqueous dispersion of an alkyd resin |
CN100999571A (en) * | 2007-01-12 | 2007-07-18 | 福建豪迪涂料科技股份有限公司 | Process of producing alkyd resin using waste dacron (polyester fibre) |
-
2008
- 2008-05-21 CN CN2008100160804A patent/CN101585910B/en not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101845209A (en) * | 2010-05-11 | 2010-09-29 | 广东嘉宝莉化工集团有限公司 | Soybean oil modified alkyd as well as preparation method and application thereof in coating |
CN101845209B (en) * | 2010-05-11 | 2013-01-30 | 嘉宝莉化工集团股份有限公司 | Soybean oil modified alkyd as well as preparation method and application thereof in coating |
CN102432851A (en) * | 2011-09-06 | 2012-05-02 | 天长市开林化工有限公司 | Liquid alkyd resin and preparation method thereof |
CN102432851B (en) * | 2011-09-06 | 2014-11-05 | 天长市开林化工有限公司 | Liquid alkyd resin and preparation method thereof |
CN103601877A (en) * | 2013-11-14 | 2014-02-26 | 新疆红山涂料有限公司 | High-solid alkyd resin and preparation method thereof |
CN103601877B (en) * | 2013-11-14 | 2015-09-30 | 新疆红山涂料有限公司 | High-solid alkyd resin and preparation method thereof |
CN105934462A (en) * | 2014-01-27 | 2016-09-07 | 威士伯采购公司 | Water-reducible coating composition |
US10767076B2 (en) | 2014-01-27 | 2020-09-08 | Swimc Llc | Water-reducible coating composition |
CN104479080A (en) * | 2014-12-31 | 2015-04-01 | 中昊北方涂料工业研究设计院有限公司 | Aqueous dispersion coating prepared by adopting PET waste material and soya oil acid |
CN104479080B (en) * | 2014-12-31 | 2018-12-21 | 中昊北方涂料工业研究设计院有限公司 | A kind of water dispersible coatings prepared with pet waste and behenic acid |
CN104530401A (en) * | 2015-01-05 | 2015-04-22 | 陕西源源化工有限责任公司 | Alkyd resin and preparation method thereof |
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