CN115651574A - Printing packaging adhesive and preparation method and application thereof - Google Patents
Printing packaging adhesive and preparation method and application thereof Download PDFInfo
- Publication number
- CN115651574A CN115651574A CN202211335716.8A CN202211335716A CN115651574A CN 115651574 A CN115651574 A CN 115651574A CN 202211335716 A CN202211335716 A CN 202211335716A CN 115651574 A CN115651574 A CN 115651574A
- Authority
- CN
- China
- Prior art keywords
- printing packaging
- packaging adhesive
- printing
- pentaerythritol ester
- rosin pentaerythritol
- 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
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 79
- 239000000853 adhesive Substances 0.000 title claims abstract description 57
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title abstract description 15
- 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 21
- 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 21
- -1 pentaerythritol ester Chemical class 0.000 claims abstract description 21
- 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 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 14
- HFEZEKQQHCPHDU-UHFFFAOYSA-N hexane-1,6-diol;terephthalic acid Chemical compound OCCCCCCO.OC(=O)C1=CC=C(C(O)=O)C=C1 HFEZEKQQHCPHDU-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000012188 paraffin wax Substances 0.000 claims abstract description 12
- 239000011347 resin Substances 0.000 claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 239000003208 petroleum Substances 0.000 claims abstract description 9
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- 239000003292 glue Substances 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 239000000460 chlorine Substances 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 18
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 16
- 239000002994 raw material Substances 0.000 description 10
- 239000000758 substrate Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000010998 test method Methods 0.000 description 4
- GPNYZBKIGXGYNU-UHFFFAOYSA-N 2-tert-butyl-6-[(3-tert-butyl-5-ethyl-2-hydroxyphenyl)methyl]-4-ethylphenol Chemical compound CC(C)(C)C1=CC(CC)=CC(CC=2C(=C(C=C(CC)C=2)C(C)(C)C)O)=C1O GPNYZBKIGXGYNU-UHFFFAOYSA-N 0.000 description 3
- SAJFQHPVIYPPEY-UHFFFAOYSA-N 2,6-ditert-butyl-4-(dioctadecoxyphosphorylmethyl)phenol Chemical compound CCCCCCCCCCCCCCCCCCOP(=O)(OCCCCCCCCCCCCCCCCCC)CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SAJFQHPVIYPPEY-UHFFFAOYSA-N 0.000 description 2
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 2
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- ZEBMSMUPGIOANU-UHFFFAOYSA-N (3,5-ditert-butyl-4-hydroxyphenyl)methylphosphonic acid Chemical compound CC(C)(C)C1=CC(CP(O)(O)=O)=CC(C(C)(C)C)=C1O ZEBMSMUPGIOANU-UHFFFAOYSA-N 0.000 description 1
- LZHCVNIARUXHAL-UHFFFAOYSA-N 2-tert-butyl-4-ethylphenol Chemical compound CCC1=CC=C(O)C(C(C)(C)C)=C1 LZHCVNIARUXHAL-UHFFFAOYSA-N 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 238000007719 peel strength test Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Wrappers (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a printing packaging adhesive and a preparation method and application thereof. The printing packaging adhesive comprises the following components in percentage by mass: chlorinated paraffin: 10% -30%; 1, 6-hexanediol terephthalate: 10% -30%; hydrogenated rosin pentaerythritol ester: 10 to 20 percent; rosin pentaerythritol ester: 15% -25%; carbon five/carbon nine petroleum resin: 30% -40%; 2, 4-trimethylpentanediol isobutyl ester: 3% -15%; anti-aging agent: 0.5 to 1 percent. The preparation method of the printing packaging adhesive is very simple, and all the components are added into a double-screw extruder to be mixed and granulated to obtain the printing packaging adhesive. The printing packaging adhesive has the advantages of wide applicable base material range, good bonding performance in a wider temperature range, environmental friendliness, no odor and the like, is simple in preparation process, and is suitable for large-scale popularization and application in various food packages.
Description
Technical Field
The invention relates to the technical field of hot melt adhesives, and particularly relates to a printing packaging adhesive and a preparation method and application thereof.
Background
The printing packaging adhesive is a general name of adhesive for adhering packaging outer boxes made of various materials. At present, various food packaging adopted base materials in the market are increasingly diversified, common food packaging comprises corrugated cartons, PP film-coated cartons, UV light curing surface treatment cartons and the like, and various food packaging can meet different requirements of different crowds. However, the EVA granule hot melt adhesive commonly used in current food packaging has a poor bonding effect on part of food packaging, is easy to come unstuck under high/low temperature use, transportation and storage conditions, and often emits harmful bad smell during use, and is not good for food packaging experience.
Therefore, the development of the printing packaging adhesive which is wide in applicable base material range, capable of keeping good bonding performance in a wide temperature range, environment-friendly and odorless has great significance.
Disclosure of Invention
The invention aims to provide a printing packaging adhesive and a preparation method and application thereof.
The technical scheme adopted by the invention is as follows:
a printing packaging adhesive comprises the following components in percentage by mass:
chlorinated paraffin: 10% -30%;
1, 6-hexanediol terephthalate: 10% -30%;
hydrogenated rosin pentaerythritol ester: 10% -20%;
rosin pentaerythritol ester: 15% -25%;
carbon five/carbon nine petroleum resin: 30% -40%;
2, 4-trimethylpentanedioldioisobutyl ester: 3% -15%;
anti-aging agent: 0.5 to 1 percent.
Preferably, the mass percentage of chlorine in the chlorinated paraffin is 68-72%.
Preferably, the softening point of the poly (1, 6-hexanediol terephthalate) is 145-150 ℃.
Further preferably, the softening point of the poly (1, 6-hexanediol terephthalate) is 148 ℃.
Preferably, the softening point of the hydrogenated rosin pentaerythritol ester is 100-110 ℃.
Further preferably, the hydrogenated rosin pentaerythritol ester has a softening point of 104 ℃.
Preferably, the softening point of the rosin pentaerythritol ester is 100-110 ℃.
Further preferably, the softening point of the rosin pentaerythritol ester is 104 ℃.
Preferably, the anti-aging agent is at least one of 2, 2-methylene-bis (4-ethyl-6-tert-butylphenol), 2, 6-di-tert-butyl-p-cresol and dioctadecyl 3, 5-di-tert-butyl-4-hydroxybenzylphosphonate.
The preparation method of the printing packaging adhesive comprises the following steps: adding chlorinated paraffin, 1, 6-hexanediol terephthalate, hydrogenated rosin pentaerythritol ester, carbon five/carbon nine petroleum resin, 2, 4-trimethyl pentanediol isobutyl ester and an anti-aging agent into a double-screw extruder, and mixing and granulating to obtain the printing packaging adhesive.
Preferably, the mixing is carried out at 100-160 ℃, and the mixing time is 1-3 h.
Use of a printed packaging adhesive as described above for food packaging.
The invention has the beneficial effects that: the printing packaging adhesive has the advantages of wide applicable base material range, good bonding performance in a wide temperature range, environmental friendliness, no odor and the like, is simple in preparation process, and is suitable for large-scale popularization and application in various food packages.
Specifically, the method comprises the following steps:
1) The printing packaging adhesive can keep good bonding performance within a wide temperature range (-40-70 ℃), so that the food packaging can be ensured not to degum under the conditions of high/low temperature use, transportation and storage;
2) The printing packaging adhesive is not only suitable for paper food packaging, but also suitable for various food packaging such as PP film-coated paper boxes, UV light-cured surface treatment paper boxes and the like, and has wide applicable base material range;
3) The solid content of the printing packaging adhesive reaches 100%, no extra waste is generated in the production process, and no unpleasant odor is emitted in the use process;
4) The preparation process of the printing packaging adhesive is simple, special production equipment is not required, and the printing packaging adhesive is suitable for large-scale popularization and application in various food packages.
Detailed Description
The invention will be further explained and illustrated with reference to specific examples.
Example 1:
the printing packaging adhesive comprises the following raw materials in percentage by weight:
table 1 table of compositions of raw materials for printing packaging adhesive
The preparation method of the printing packaging adhesive comprises the following steps:
adding chlorinated paraffin, 1, 6-hexanediol terephthalate, hydrogenated rosin pentaerythritol ester, carbon penta-petroleum resin, 2, 4-trimethyl pentanediol isobutyl ester and 2, 2-methylene-bis (4-ethyl-6-tert-butyl phenol) into a double-screw extruder, mixing for 2 hours at 140 ℃, extruding, cooling and granulating to obtain the printing and packaging adhesive.
And (4) performance testing:
the results of the adhesion test of the printing packaging adhesive of the embodiment on different kinds of substrates are shown in the following table:
table 2 results of adhesion test of printing packaging adhesive to different kinds of base materials
Note:
180 ° peel strength: the test was carried out with reference to "GB/T2792-1998 180 DEG peel Strength test method for pressure sensitive adhesive tapes, the test specimens having a size specification of 200mm × 25mm.
As can be seen from Table 2: the printing packaging adhesive of the embodiment can keep good bonding performance for corrugated paper and PP base materials within the temperature range of-40 ℃ to 70 ℃, and is applicable to wide range of base materials.
Example 2:
the printing packaging adhesive comprises the following raw materials in percentage by weight:
TABLE 3A table of raw material composition for printing packaging glue
The preparation method of the printing packaging adhesive comprises the following steps:
adding chlorinated paraffin, 1, 6-hexanediol terephthalate, hydrogenated rosin pentaerythritol ester, carbon penta-petroleum resin, 2, 4-trimethyl pentanediol isobutyl ester and 2, 2-methylene-bis (4-ethyl-6-tert-butyl phenol) into a double-screw extruder, mixing for 2 hours at 140 ℃, extruding, cooling and granulating to obtain the printing and packaging adhesive.
Performance testing (test method same as example 1):
the results of the adhesion test of the printing packaging adhesive of the embodiment on different kinds of substrates are shown in the following table:
table 4 bonding Performance test results of the printing packaging adhesive for different kinds of base materials
From table 4 it can be seen that: the printing packaging adhesive of the embodiment can keep good bonding performance for corrugated paper and PP base materials within the temperature range of-40 ℃ to 70 ℃, and is applicable to wide range of base materials.
Example 3:
the printing packaging adhesive comprises the following raw materials in percentage by weight:
TABLE 5A table of raw material composition for printing packaging glue
The preparation method of the printing packaging adhesive comprises the following steps:
adding chlorinated paraffin, 1, 6-hexanediol terephthalate, hydrogenated rosin pentaerythritol ester, carbon-nonapetroleum resin, 2, 4-trimethyl pentanediol isobutyl ester, 2-methylene-bis (4-ethyl-6-tert-butylphenol) and 3, 5-di-tert-butyl-4-hydroxybenzylphosphonic acid dioctadecyl into a double-screw extruder, mixing for 2 hours at 140 ℃, extruding, cooling and granulating to obtain the printing packaging adhesive.
Performance testing (test method same as example 1):
the results of the adhesion test of the printing packaging adhesive of the present embodiment on different kinds of substrates are shown in the following table:
TABLE 6 results of adhesion testing of printed packaging adhesives to different types of substrates
From table 6, it can be seen that: the printing packaging adhesive of the embodiment can keep good bonding performance for corrugated paper and PP base materials within the temperature range of-40 ℃ to 70 ℃, and is suitable for wide range of base materials.
Example 4:
a printing packaging adhesive comprises the following raw materials in percentage by weight:
TABLE 7 table of compositions of raw materials for printing packaging glue
The preparation method of the printing packaging adhesive comprises the following steps:
adding chlorinated paraffin, 1, 6-hexanediol terephthalate, hydrogenated rosin pentaerythritol ester, carbon penta-petroleum resin, 2, 4-trimethyl pentanediol isobutyl ester and 2, 6-di-tert-butyl-p-cresol into a double-screw extruder, mixing for 2 hours at 140 ℃, extruding, cooling and granulating to obtain the printing and packaging adhesive.
Performance testing (test method as in example 1):
the results of the adhesion test of the printing packaging adhesive of the present embodiment on different kinds of substrates are shown in the following table:
TABLE 8 results of adhesion testing of printed packaging adhesives to different types of substrates
As can be seen from Table 8: the printing packaging adhesive of the embodiment can keep good bonding performance for corrugated paper and PP base materials within the temperature range of-40 ℃ to 70 ℃, and is applicable to wide range of base materials.
Example 5:
the printing packaging adhesive comprises the following raw materials in percentage by weight:
TABLE 9 table of compositions of raw materials for printing packaging glue
The preparation method of the printing packaging adhesive comprises the following steps:
adding chlorinated paraffin, 1, 6-hexanediol terephthalate, hydrogenated rosin pentaerythritol ester, carbon penta-petroleum resin, 2, 4-trimethyl pentanediol isobutyl ester and 3, 5-di-tert-butyl-4-hydroxybenzyl phosphonic acid dioctadecyl ester into a double-screw extruder, mixing for 2 hours at 140 ℃, extruding, cooling and granulating to obtain the printing and packaging adhesive.
Performance testing (test method as in example 1):
the results of the adhesion test of the printing packaging adhesive of the present embodiment on different kinds of substrates are shown in the following table:
TABLE 10 results of adhesion testing of printed packaging adhesives to different types of substrates
As can be seen from table 10: the printing packaging adhesive of the embodiment can keep good bonding performance for corrugated paper and PP base materials within the temperature range of-40 ℃ to 70 ℃, and is suitable for wide range of base materials.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. The printing packaging adhesive is characterized by comprising the following components in percentage by mass:
chlorinated paraffin: 10% -30%;
1, 6-hexanediol terephthalate: 10% -30%;
hydrogenated rosin pentaerythritol ester: 10% -20%;
rosin pentaerythritol ester: 15% -25%;
carbon five/carbon nine petroleum resin: 30% -40%;
2, 4-trimethylpentanedioldioisobutyl ester: 3% -15%;
anti-aging agent: 0.5 to 1 percent.
2. A printing packaging glue according to claim 1, characterised in that: the mass percentage of chlorine in the chlorinated paraffin is 68-72%.
3. A printing packaging glue according to claim 1, characterised in that: the softening point of the 1, 6-hexanediol terephthalate is 145-150 ℃.
4. A printing packaging glue according to claim 3, characterised in that: the softening point of the 1, 6-hexanediol terephthalate is 148 ℃.
5. A printing packaging glue according to claim 1, characterised in that: the softening point of the hydrogenated rosin pentaerythritol ester is 100-110 ℃.
6. A printing packaging glue according to claim 5, characterised in that: the softening point of the hydrogenated rosin pentaerythritol ester is 104 ℃.
7. A printing packaging glue according to claim 1, characterised in that: the softening point of the rosin pentaerythritol ester is 100-110 ℃.
8. A printing packaging glue according to claim 7, characterised in that: the softening point of the rosin pentaerythritol ester is 104 ℃.
9. A method for preparing a printing and packaging adhesive as claimed in any one of claims 1 to 8, comprising the steps of: adding chlorinated paraffin, 1, 6-hexanediol terephthalate, hydrogenated rosin pentaerythritol ester, carbon five/carbon nine petroleum resin, 2, 4-trimethyl pentanediol isobutyl ester and an anti-aging agent into a double-screw extruder, and mixing and granulating to obtain the printing packaging adhesive.
10. Use of a printed packaging adhesive according to any one of claims 1 to 8 for food packaging.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211335716.8A CN115651574B (en) | 2022-10-28 | 2022-10-28 | Printing packaging adhesive and preparation method and application thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211335716.8A CN115651574B (en) | 2022-10-28 | 2022-10-28 | Printing packaging adhesive and preparation method and application thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN115651574A true CN115651574A (en) | 2023-01-31 |
CN115651574B CN115651574B (en) | 2023-12-26 |
Family
ID=84993021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202211335716.8A Active CN115651574B (en) | 2022-10-28 | 2022-10-28 | Printing packaging adhesive and preparation method and application thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115651574B (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5041492A (en) * | 1990-02-21 | 1991-08-20 | Findley Adhesives, Inc. | Hot melt adhesive |
CN1186834A (en) * | 1997-01-03 | 1998-07-08 | H·B·富勒许可和金融公司 | Hot melt adhesive |
CN103131382A (en) * | 2012-04-10 | 2013-06-05 | 浙江固特热熔胶有限公司 | Hot melt adhesive for automobile interior parts and preparation method thereof |
CN108977153A (en) * | 2018-08-14 | 2018-12-11 | 苏州赛伍应用技术股份有限公司 | A kind of adhesive, preparation method, purposes, jointing tape containing the adhesive and preparation method thereof |
-
2022
- 2022-10-28 CN CN202211335716.8A patent/CN115651574B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5041492A (en) * | 1990-02-21 | 1991-08-20 | Findley Adhesives, Inc. | Hot melt adhesive |
CN1186834A (en) * | 1997-01-03 | 1998-07-08 | H·B·富勒许可和金融公司 | Hot melt adhesive |
CN103131382A (en) * | 2012-04-10 | 2013-06-05 | 浙江固特热熔胶有限公司 | Hot melt adhesive for automobile interior parts and preparation method thereof |
CN108977153A (en) * | 2018-08-14 | 2018-12-11 | 苏州赛伍应用技术股份有限公司 | A kind of adhesive, preparation method, purposes, jointing tape containing the adhesive and preparation method thereof |
Also Published As
Publication number | Publication date |
---|---|
CN115651574B (en) | 2023-12-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Ebnesajjad | Characteristics of adhesive materials | |
CN1878797B (en) | Initiator systems for polymerisable compositions | |
CN110205089B (en) | Organic-inorganic hybrid soybean-based adhesive and preparation method and application thereof | |
KR100196754B1 (en) | Room-temperature stable, one-component,thermally-conductive, flexible epoxy adhesives | |
CN101864259A (en) | SIS (Styrene-Isoprene-Styrene) hot melt adhesive for car light adhesion and preparation method thereof | |
CN101307214B (en) | Hot-fusible adhesive and method for preparing same | |
CN1759156A (en) | Hot melt adhesive composition | |
CN1208430A (en) | Radiation cross-linkable branched polyester compositions which are water dispersible and processes | |
CN1242403A (en) | Anisotropic conductive adhesive and method for preparation thereof and electronic apapratus using said adhesive | |
CN105219324A (en) | A kind of hot melt adhesive for automobile filter and preparation method thereof | |
CN110734719A (en) | Modified hot-melt pressure-sensitive adhesive and preparation method thereof | |
KR100674593B1 (en) | Reactive polyolefin heat melting adhesive | |
CN114525094A (en) | Hot melt adhesive for bonding high-temperature-resistant food bags and preparation method thereof | |
CN115651574A (en) | Printing packaging adhesive and preparation method and application thereof | |
WO2004044081A1 (en) | Organic acid containing compositions and methods for use thereof | |
CN106833514A (en) | A kind of PUR and preparation method thereof | |
EP0778871B1 (en) | Adhesive agent for adhering an object to its base | |
CN115558445A (en) | Hot melt adhesive, preparation method thereof and removable label paper prepared from hot melt adhesive | |
CN113789138B (en) | Self-adhesive waterproof coiled material asphalt modifier and preparation method thereof | |
CN1322789A (en) | Organic adhesive | |
CN101580691A (en) | Wood board bonder prepared by adopting waste materials and preparation method thereof | |
CN108300388A (en) | A kind of environment-friendly type hot melt glue and the preparation method and application thereof for encapsulation logistics express delivery carton | |
CN115651573B (en) | Hot melt adhesive, preparation method thereof and removable film label prepared from hot melt adhesive | |
CN101544819B (en) | Silicon rubber follow-up treatment agent and preparation method thereof | |
JPS61183317A (en) | Low-temperature rapid curing epoxy resin composition |
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 | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20231122 Address after: 511547 No.12 Qingfeng Road, Guangzhou (Qingyuan) Industrial Transfer Industrial Park, Shijiao Town, Qingcheng District, Qingyuan City, Guangdong Province Applicant after: Guangdong Weiyi New Materials Co.,Ltd. Address before: No. 1633, Beitai Road, Baiyun District, Guangzhou, Guangdong 510540 Applicant before: GUANGZHOU HAOTE BONDING MATERIAL Co.,Ltd. |
|
GR01 | Patent grant | ||
GR01 | Patent grant |