CN108822284A - The method and alkyd resin of nearly Diamond Search alkyd resin are prepared using gutter oil - Google Patents
The method and alkyd resin of nearly Diamond Search alkyd resin are prepared using gutter oil Download PDFInfo
- Publication number
- CN108822284A CN108822284A CN201810587014.6A CN201810587014A CN108822284A CN 108822284 A CN108822284 A CN 108822284A CN 201810587014 A CN201810587014 A CN 201810587014A CN 108822284 A CN108822284 A CN 108822284A
- Authority
- CN
- China
- Prior art keywords
- mass parts
- gutter oil
- alkyd resin
- parts
- viscosity
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/46—Polyesters chemically modified by esterification
- C08G63/48—Polyesters chemically modified by esterification by unsaturated higher fatty oils or their acids; by resin acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
- C08G63/688—Polyesters containing atoms other than carbon, hydrogen and oxygen containing sulfur
- C08G63/6884—Polyesters containing atoms other than carbon, hydrogen and oxygen containing sulfur derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/6886—Dicarboxylic acids and dihydroxy compounds
-
- 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
- C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
Abstract
The invention discloses methods and alkyd resin that nearly Diamond Search alkyd resin is prepared using gutter oil.This approach includes the following steps：S1. the dihydric alcohol of 8~10 mass parts, the 5-sodium sulfo isophthalate of 10~15 mass parts and suitable catalyst are uniformly mixed；S2. the mixture of heating stepses S1, then adds the gutter oil alcoholysis liquid, the trimethylolpropane of 5~10 mass parts and the acid anhydrides of 15~30 mass parts of 33~40 mass parts, and temperature reaction for a period of time, cools down spare when the viscosity of product reaches predetermined value.The present invention can get the alkyd resin of 100% solid part, avoids the use of volatile organic solvent, has obtained nearly Diamond Search alkyd resin, the feature of environmental protection is outstanding.The present invention prepares alkyd resin using gutter oil, reduces the production cost of alkyd resin, while realizing the recycling to gutter oil.
Description
Technical field
The present invention relates to paint fields, more particularly to the method and alcohol of nearly Diamond Search alkyd resin are prepared using gutter oil
Acid resin.
Background technique
With the enhancing of environmental consciousness, people to pollution less, the increasingly attention of high value added product.Solvent based coating from
Flowable state causes great pollution to atmosphere, therefore reduces and even forbid nocuousness molten to solid paint film, solvent volatilization is become
The use of agent realizes that the Water-borne modification technology of coating is particularly critical.
In coating industry, the polyester of fatty acid or oleic acid and polyalcohol, polyacid reaction preparation is known as alkyd resin.Water
The synthetic method of property alkyd resin mainly has salt forming method, introduces hydrophilic non-ionic group method in the polymer, by polymer
It is transformed into zwitterionic intermediate method.Although volatile organic matter (VOC) and the solvent-borne alkyd resins phase of aqueous alkide resin
Than much lower, but certain volatile organic matter is still had in aqueous alkide resin in the prior art, can not accomplish zero
VOC。
Gutter oil is widely studied in terms of preparing biodiesel, as a kind of bio-based materials in addition, ground at present
The technique that ditch oil is used to prepare alkyd resin is also on the books in the literature.Alkyd resin is prepared with treated gutter oil, one
Aspect solves the problems, such as gutter oil recycling, is on the other hand also beneficial to reduce the cost of alkyd resin, has and answer well
Use prospect.But currently with the alkyd resin of gutter oil preparation, there is also volatile organic solvents, can not accomplish Diamond Search.
Summary of the invention
For overcome the deficiencies in the prior art, nearly Diamond Search is prepared using gutter oil the purpose of the present invention is to provide a kind of
The method of alkyd resin, obtained alkyd resin can reach Diamond Search discharge substantially.
It is another object of the present invention to provide a kind of alkyd resins prepared by the above method.
An object of the present invention adopts the following technical scheme that realization：
The method for preparing nearly Diamond Search alkyd resin using gutter oil, includes the following steps：
S1. by the dihydric alcohol of 8~10 mass parts, the 5-sodium sulfo isophthalate of 10~15 mass parts and suitable
Catalyst is uniformly mixed；
S2. then the mixture of heating stepses S1 adds gutter oil alcoholysis liquid, 5~10 mass of 33~40 mass parts
Part trimethylolpropane and 15~30 mass parts acid anhydrides, temperature reaction for a period of time, when the viscosity of product reaches predetermined
Cool down when value spare.
Further, step S2 includes the following steps：
S21. the mixture of step S1 is heated, is to slowly warm up to 190~210 DEG C in 4~5 hours, heat preservation 50min~
60min；
S22. gutter oil alcoholysis liquid, 5~10 mass parts of 33~40 mass parts are added in the mixture obtained to step S21
Trimethylolpropane and 15~30 mass parts acid anhydrides, after being warming up to 220~230 DEG C keep the temperature 50min~60min；
S23. when the viscosity of product in step S22 reaches preset value, cool down spare.
Further, in step S2, the preset value of product viscosity is：Product and butyl glycol ether are with mass ratio 1:1 mixing
When, format pipe viscosity is greater than 1 second.
Further, the dihydric alcohol is neopentyl glycol.
Further, the acid anhydrides includes 15~25 parts of phthalic anhydride and 2~5 parts of maleic anhydride.
Further, in step S1, the catalyst is stannous octoate.
Further, in step S2, the gutter oil alcoholysis liquid is prepared by the following method：By the essence of 70~90 parts by weight
It refines in gutter oil and the pentaerythrite investment reaction kettle of 10~20 parts by weight, is warming up to 170~190 DEG C, catalyst is then added,
260~280 DEG C are continuously heating to, reaction cools down spare after 1~3 hour.
Further, when preparing the gutter oil alcoholysis liquid, after catalyzer temperature-elevating reaction is added, when the gutter oil alcoholysis
Liquid and ethyl alcohol are with mass ratio 1：1 mixture being mixed to get be it is as clear as crystal when, can reaction was completed, cool down it is spare.
Compared with prior art, the beneficial effects of the present invention are：
(1) alkyd resin of the available 100% solid part of the present invention, avoids the use of volatile organic solvent, obtains
Nearly Diamond Search alkyd resin, the feature of environmental protection are outstanding；
(2) present invention realizes that the self-emulsifying of resin disperses using 5-sodium sulfo isophthalate, while assigning alkyd resin
The alkyd resin that the present invention is prepared is dissolved in the mixed liquor of water and ethyl alcohol when use by water solubility；
(3) present invention prepares alkyd resin using gutter oil, reduces the production cost of alkyd resin, while realizing pair
The recycling of gutter oil.
Specific embodiment
In the following, being described further in conjunction with specific embodiment to the present invention, it should be noted that is do not collided
Under the premise of, new embodiment can be formed between various embodiments described below or between each technical characteristic in any combination.
The present invention provide it is a kind of using gutter oil prepare nearly Diamond Search alkyd resin, raw material in parts by weight, including：
In the present invention, realizes that the self-emulsifying of resin disperses using 5-sodium sulfo isophthalate, do not need to add additionally
Solvent, to obtain the alkyd resin of 100% solid part.Since co-solvent exists, Diamond Search is realized substantially.In addition, this hair
It is bright to utilize gutter oil as a raw material for production, advantageously reduce production cost.
Preferably, the dihydric alcohol is neopentyl glycol.
Preferably, the catalyst is stannous octoate.
Preferably, the acid anhydrides includes 15~25 parts of phthalic anhydride and 2~5 parts of maleic anhydride.
The raw material of the gutter oil alcoholysis liquid includes：The gutter oil of 70~90 parts by weight；The Ji Wusi of 10~20 parts by weight
Alcohol；Suitable catalyst.Preferably, the catalyst in the gutter oil alcoholysis liquid is lithium hydroxide.
Preferably, the gutter oil alcoholysis liquid is prepared by the following method：Gutter oil and pentaerythrite are put into reaction kettle
In, 170~190 DEG C are warming up to, catalyst is then added, is continuously heating to 260~280 DEG C, reaction cools down standby after 1~3 hour
With.The obtained gutter oil alcoholysis liquid and ethyl alcohol is with mass ratio 1：It is as clear as crystal when 1 mixing.In other words, when the trench
Oleyl alcohol solution liquid and ethyl alcohol are with mass ratio 1：1 mixture being mixed to get be it is as clear as crystal when, can reaction was completed, cool down it is spare.
It is noted that the gutter oil be by pretreated gutter oil, pre-treatment step include removal impurity, from
Heart separation, alkali cleaning, refining.The pretreatment of gutter oil can refer to the prior art, and the present invention is no longer described in detail.
Preferably, the alkyd resin is prepared by following steps：
S1. by the dihydric alcohol of 8~10 mass parts, the 5-sodium sulfo isophthalate of 10~15 mass parts and suitable
Catalyst is uniformly mixed；
S2. then the mixture of heating stepses S1 adds gutter oil alcoholysis liquid, 5~10 mass of 33~40 mass parts
Part trimethylolpropane and 15~30 mass parts acid anhydrides, temperature reaction for a period of time, when the viscosity of product reaches predetermined
Cool down when value spare.
Preferably, step S2 includes the following steps：
S21. the mixture of step S1 is heated, is to slowly warm up to 190~210 DEG C in 4~5 hours, heat preservation 50min~
60min；
S22. gutter oil alcoholysis liquid, 5~10 mass parts of 33~40 mass parts are added in the mixture obtained to step S21
Trimethylolpropane and 15~30 mass parts acid anhydrides, after being warming up to 220~230 DEG C keep the temperature 50min~60min；
S23. when the viscosity of product in step S22 reaches preset value, cool down spare.
Preferably, in step S2, the preset value of product viscosity is：Product and butyl glycol ether are with mass ratio 1:When 1 mixing,
Format pipe viscosity is greater than 1 second.
【Embodiment 1】
The preparation of gutter oil alcoholysis liquid：The pentaerythrite of the refining gutter oil of 85 mass parts, 15 mass parts is put into reaction kettle
In, 180 DEG C are warming up to, the lithium hydroxide of 0.03 mass parts is then added, is continuously heating to 270 DEG C, is reacted 2 hours or so, when
Reaction product and ethyl alcohol are with mass ratio 1：1 mixture being mixed to get be it is as clear as crystal when, can reaction was completed, cool down it is spare.
Wherein, gutter oil with being purchased from Zhejiang green grass Pty Ltd is refined.
【Embodiment 2】
A kind of environment-friendly alkide resin prepared using gutter oil, is prepared by following steps：
By the octanoic acid of the neopentyl glycol of 8 mass parts, the 5-sodium sulfo isophthalate of 10 mass parts and 0.02 mass parts
Stannous is uniformly mixed；200 DEG C are to slowly warm up in 5 hours；Gutter oil alcoholysis liquid, 5 matter of 33 mass parts are added in heat preservation after 1 hour
Trimethylolpropane, the phthalic anhydride of 15 mass parts and the maleic anhydride of 2 mass parts for measuring part, keep the temperature after being warming up to 220 DEG C
1h or so, when the viscosity of product reaches predetermined value, cooling is filtered and is packed.
It is noted that the predetermined value of viscosity is：Product and butyl glycol ether are with mass ratio 1:When 1 mixing, format pipe
Viscosity is greater than 1 second.
【Embodiment 3】
A kind of environment-friendly alkide resin prepared using gutter oil, is prepared by following steps：
By the pungent of the neopentyl glycol of 10 mass parts, the 5-sodium sulfo isophthalate of 15 mass parts and 0.02 mass parts
Sour stannous is uniformly mixed；200 DEG C are to slowly warm up in 5 hours；Heat preservation 1 hour after be added 40 mass parts gutter oil alcoholysis liquid,
The maleic anhydride of the trimethylolpropane of 10 mass parts, the phthalic anhydride of 25 mass parts and 5 mass parts, after being warming up to 220 DEG C
1h or so is kept the temperature, when the viscosity of product reaches predetermined value, cooling is filtered and packed.
It is noted that the predetermined value of viscosity is：Product and butyl glycol ether are with mass ratio 1:When 1 mixing, format pipe
Viscosity is greater than 1 second.
Alkyd resin made from embodiment 2,3 is uniformly mixed with water, standard tinplate is coated on using spraying method
Surface, after being placed at room temperature for 7 days, then the film that iron plate surface is formed with a thickness of 25~30 μm carries out the test of properties.According to
Drying property is tested according to GB/T1728, adhesive force grade is tested according to GB/T1720-1988, according to GB/
T1733-93 tests water resistance, and test data is shown in Table 1.
| Test item | Drying property | Adhesive force | Water resistance (240h) |
| Embodiment 2 | Surface drying≤1h；Do solid work≤12h | 0 grade | It is not blistering, do not fall off |
| Embodiment 3 | Surface drying≤1h；Do solid work≤12h | 0 grade | It is not blistering, do not fall off |
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (9)
1. the method for preparing nearly Diamond Search alkyd resin using gutter oil, which is characterized in that include the following steps：
S1. by the dihydric alcohol of 8~10 mass parts, the 5-sodium sulfo isophthalate of 10~15 mass parts and suitable catalysis
Agent is uniformly mixed；
S2. then the mixture of heating stepses S1 adds the gutter oil alcoholysis liquid of 33~40 mass parts, 5~10 mass parts
The acid anhydrides of trimethylolpropane and 15~30 mass parts, temperature reaction for a period of time, when the viscosity of product reaches predetermined value
Cool down spare.
2. the method according to claim 1, wherein step S2 includes the following steps：
S21. the mixture of step S1 is heated, is to slowly warm up to 190~210 DEG C in 4~5 hours, heat preservation 50min~
60min；
S22. be added in the mixture obtained to step S21 the gutter oil alcoholysis liquid of 33~40 mass parts, 5~10 mass parts three
The acid anhydrides of hydroxymethyl-propane and 15~30 mass parts keeps the temperature 50min~60min after being warming up to 220~230 DEG C；
S23. when the viscosity of product in step S22 reaches preset value, cool down spare.
3. the method according to claim 1, wherein in step S2, the preset value of product viscosity is：Product and second
Glycol butyl ether is with mass ratio 1:When 1 mixing, format pipe viscosity is greater than 1 second.
4. method according to claim 1 to 3, which is characterized in that in step S1, the dihydric alcohol is neopentyl glycol.
5. method according to claim 1 to 3, which is characterized in that the acid anhydrides includes 15~25 parts of phthalic anhydride and 2
~5 parts of maleic anhydride.
6. according to the method described in claim 5, it is characterized in that, the catalyst is stannous octoate in step S1.
7. method according to claim 1 to 3, which is characterized in that in step S2, the gutter oil alcoholysis liquid passes through
Following methods preparation：By in the gutter oil of 70~90 parts by weight and the pentaerythrite of 10~20 parts by weight investment reaction kettle, heat up
To 170~190 DEG C, catalyst is then added, is continuously heating to 260~280 DEG C, reaction cools down spare after 1~3 hour.
8. the method according to the description of claim 7 is characterized in that catalyst liter is added when preparing the gutter oil alcoholysis liquid
After temperature reaction, when the gutter oil alcoholysis liquid and ethyl alcohol are with mass ratio 1：When 1 mixture being mixed to get is as clear as crystal
Reaction was completed, cools down spare.
9. the alkyd resin that the method as described in claim 1-8 is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810587014.6A CN108822284B (en) | 2018-06-06 | 2018-06-06 | Method for preparing near-zero VOC alkyd resin by using illegal cooking oil and alkyd resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810587014.6A CN108822284B (en) | 2018-06-06 | 2018-06-06 | Method for preparing near-zero VOC alkyd resin by using illegal cooking oil and alkyd resin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108822284A true CN108822284A (en) | 2018-11-16 |
| CN108822284B CN108822284B (en) | 2020-12-29 |
Family
ID=64144384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810587014.6A Active CN108822284B (en) | 2018-06-06 | 2018-06-06 | Method for preparing near-zero VOC alkyd resin by using illegal cooking oil and alkyd resin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108822284B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114031470A (en) * | 2021-12-14 | 2022-02-11 | 新洋丰农业科技股份有限公司 | Preparation method of alkyd resin controlled-release fertilizer |
| CN114805774A (en) * | 2022-04-01 | 2022-07-29 | 佛山市国化新材料科技有限公司 | Carboxylated nano chitin-based alkyd resin and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103709384A (en) * | 2013-12-02 | 2014-04-09 | 安庆菱湖涂料有限公司 | Method for synthesis of paint alkyd resin from purified waste oil |
| CN107513340A (en) * | 2017-10-10 | 2017-12-26 | 临汾铁环漆业有限公司 | A kind of self-drying aqueous alkyd paint of high rigidity and preparation method thereof |
| US20180086937A1 (en) * | 2016-09-28 | 2018-03-29 | Buyoung Industrial Co., Ltd. | Eco-friendly lacquer compositions and methods for preparing the same |
| CN107857873A (en) * | 2017-09-30 | 2018-03-30 | 合众（佛山）化工有限公司 | A kind of alkyd resin of 90% large arch dam and preparation method thereof |
-
2018
- 2018-06-06 CN CN201810587014.6A patent/CN108822284B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103709384A (en) * | 2013-12-02 | 2014-04-09 | 安庆菱湖涂料有限公司 | Method for synthesis of paint alkyd resin from purified waste oil |
| US20180086937A1 (en) * | 2016-09-28 | 2018-03-29 | Buyoung Industrial Co., Ltd. | Eco-friendly lacquer compositions and methods for preparing the same |
| CN107857873A (en) * | 2017-09-30 | 2018-03-30 | 合众（佛山）化工有限公司 | A kind of alkyd resin of 90% large arch dam and preparation method thereof |
| CN107513340A (en) * | 2017-10-10 | 2017-12-26 | 临汾铁环漆业有限公司 | A kind of self-drying aqueous alkyd paint of high rigidity and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114031470A (en) * | 2021-12-14 | 2022-02-11 | 新洋丰农业科技股份有限公司 | Preparation method of alkyd resin controlled-release fertilizer |
| CN114805774A (en) * | 2022-04-01 | 2022-07-29 | 佛山市国化新材料科技有限公司 | Carboxylated nano chitin-based alkyd resin and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108822284B (en) | 2020-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101280055B (en) | High-solid lower-viscosity environment-friendly alkide resin and preparation thereof | |
| CN108822284A (en) | The method and alkyd resin of nearly Diamond Search alkyd resin are prepared using gutter oil | |
| CN107141425A (en) | A kind of baking vanish aqueous epoxy resins and preparation method and application | |
| CN109180922B (en) | Low-temperature curing type polyester resin and preparation method and application thereof | |
| CN109207030B (en) | Polyester resin for high-gloss powder coating and preparation method and application thereof | |
| CN101928508A (en) | Polyethylene glycol-modified epoxy acrylate coating and preparation method thereof | |
| CN102911376A (en) | Preparation method of water-based rosin resin tackifying emulsion | |
| CN103160099B (en) | Modified alkyd resin and preparation method thereof and two-component primer | |
| CN108774296A (en) | A kind of preparation method of modified petroleum resin | |
| CN108034293A (en) | A kind of water-based metal baking vanish | |
| CN109206599B (en) | Polyester resin for high-leveling powder coating and preparation method and application thereof | |
| CN105037698A (en) | Flowable solvent-free polyester resin and preparation technology and application thereof | |
| CN105254865B (en) | A kind of high-solid lower-viscosity PU dull finishing coat alkyd resin and preparation method thereof | |
| CN109825171A (en) | A kind of automobile chassis protection water paint and preparation method thereof | |
| CN114045074A (en) | Water-based pencil draw-coating matte varnish and preparation method thereof | |
| CN105399934B (en) | A kind of technique of the low smell alkyd resin of two step synthetic method | |
| CN108949000A (en) | A kind of water dispersed resin and preparation method thereof | |
| CN106831624A (en) | A kind of lacquer as woodenware finish UV resins and preparation method thereof | |
| CN107828331B (en) | A kind of high solid ordor removing type alcohol acid and polyurethane black finishing coat | |
| CN111363407A (en) | Printing ink for 3.5D high-tensile mobile phone composite board and application | |
| CN106221386A (en) | Antistatic aqueous transfer coating and preparation method thereof | |
| CN106221381A (en) | A kind of antioxidant coating for automobile wiper bar and preparation method thereof | |
| CN102585603A (en) | Mixing printing ink for intaglio printing of polyethylene heat shrinking film | |
| CN108047434A (en) | A kind of water solubility unsaturated polyester (UP) and Photocurable composition | |
| CN114773970A (en) | Water-based high-volume solid-content steel structure normal-temperature anticorrosive paint and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230216 Address after: 312030 Building 2-3, Xiner Village, Binhai Industrial Zone, Keqiao District, Shaoxing City, Zhejiang Province Patentee after: SHAOXING CHANGMU NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 315000 south of the first floor of Building 29, No. 1299, Juxian Road, high tech Zone, Ningbo City, Zhejiang Province Patentee before: LONGWOOD (NINGBO) NEW MATERIAL TECHNOLOGY CO.,LTD. |