CN107141509B - A kind of high-performance melamine cyanurate and preparation method thereof - Google Patents
A kind of high-performance melamine cyanurate and preparation method thereof Download PDFInfo
- Publication number
- CN107141509B CN107141509B CN201710478170.4A CN201710478170A CN107141509B CN 107141509 B CN107141509 B CN 107141509B CN 201710478170 A CN201710478170 A CN 201710478170A CN 107141509 B CN107141509 B CN 107141509B
- Authority
- CN
- China
- Prior art keywords
- melamine cyanurate
- parts
- performance
- melamine
- slurry
- 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.)
- Active
Links
- ZQKXQUJXLSSJCH-UHFFFAOYSA-N melamine cyanurate Chemical compound NC1=NC(N)=NC(N)=N1.O=C1NC(=O)NC(=O)N1 ZQKXQUJXLSSJCH-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 239000002002 slurry Substances 0.000 claims abstract description 37
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 34
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 33
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000002994 raw material Substances 0.000 claims abstract description 28
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 23
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000908 ammonium hydroxide Substances 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 238000001694 spray drying Methods 0.000 claims abstract description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 24
- 239000007787 solid Substances 0.000 claims description 15
- 229910021529 ammonia Inorganic materials 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- YSKUZVBSHIWEFK-UHFFFAOYSA-N ammelide Chemical compound NC1=NC(O)=NC(O)=N1 YSKUZVBSHIWEFK-UHFFFAOYSA-N 0.000 claims description 8
- MASBWURJQFFLOO-UHFFFAOYSA-N ammeline Chemical compound NC1=NC(N)=NC(O)=N1 MASBWURJQFFLOO-UHFFFAOYSA-N 0.000 claims description 8
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 5
- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 claims description 4
- MEFUMNTZTUDUBG-UHFFFAOYSA-N oxalonitrile 1,3,5-triazine-2,4,6-triamine Chemical compound N#CC#N.N1=C(N)N=C(N)N=C1N MEFUMNTZTUDUBG-UHFFFAOYSA-N 0.000 claims description 4
- 102220043159 rs587780996 Human genes 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 102220112166 rs61747639 Human genes 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims 1
- 239000003063 flame retardant Substances 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 13
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000013078 crystal Substances 0.000 abstract description 5
- 229920002292 Nylon 6 Polymers 0.000 abstract description 4
- 239000006185 dispersion Substances 0.000 abstract description 3
- 230000000979 retarding effect Effects 0.000 abstract description 3
- 239000002861 polymer material Substances 0.000 abstract description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 19
- 239000000463 material Substances 0.000 description 18
- 239000000047 product Substances 0.000 description 15
- 238000012360 testing method Methods 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 11
- XLJMAIOERFSOGZ-UHFFFAOYSA-N cyanic acid Chemical compound OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 10
- 238000010792 warming Methods 0.000 description 8
- -1 cyanuric acid Amine Chemical class 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000005829 trimerization reaction Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 5
- ZHUWIYQJHBMTCY-UHFFFAOYSA-N 3-[ethoxy(2,2,2-triethoxyethoxy)silyl]propan-1-amine Chemical compound NCCC[SiH](OCC(OCC)(OCC)OCC)OCC ZHUWIYQJHBMTCY-UHFFFAOYSA-N 0.000 description 4
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 229920000388 Polyphosphate Polymers 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 150000007973 cyanuric acids Chemical class 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002191 fatty alcohols Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 150000007974 melamines Chemical class 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 229920000056 polyoxyethylene ether Polymers 0.000 description 2
- 229940051841 polyoxyethylene ether Drugs 0.000 description 2
- 239000001205 polyphosphate Substances 0.000 description 2
- 235000011176 polyphosphates Nutrition 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- ZORQXIQZAOLNGE-UHFFFAOYSA-N 1,1-difluorocyclohexane Chemical compound FC1(F)CCCCC1 ZORQXIQZAOLNGE-UHFFFAOYSA-N 0.000 description 1
- YRIZYWQGELRKNT-UHFFFAOYSA-N 1,3,5-trichloro-1,3,5-triazinane-2,4,6-trione Chemical compound ClN1C(=O)N(Cl)C(=O)N(Cl)C1=O YRIZYWQGELRKNT-UHFFFAOYSA-N 0.000 description 1
- LBIUOESTBBGQJG-UHFFFAOYSA-N 7,9-dihydro-3H-purine-2,6,8-trione oxalonitrile 1,3,5-triazine-2,4,6-triamine Chemical compound N1=C(N)N=C(N)N=C1N.N1C(=O)NC=2NC(=O)NC2C1=O.N#CC#N LBIUOESTBBGQJG-UHFFFAOYSA-N 0.000 description 1
- SZWMYRXPLPUQQB-UHFFFAOYSA-N C(#N)NC(=O)N.N1=C(N)N=C(N)N=C1N Chemical compound C(#N)NC(=O)N.N1=C(N)N=C(N)N=C1N SZWMYRXPLPUQQB-UHFFFAOYSA-N 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 239000003153 chemical reaction reagent Substances 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
- 238000001514 detection method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Substances O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000000244 polyoxyethylene sorbitan monooleate Substances 0.000 description 1
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 1
- 229920000053 polysorbate 80 Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- MSFGZHUJTJBYFA-UHFFFAOYSA-M sodium dichloroisocyanurate Chemical compound [Na+].ClN1C(=O)[N-]C(=O)N(Cl)C1=O MSFGZHUJTJBYFA-UHFFFAOYSA-M 0.000 description 1
- 238000010532 solid phase synthesis reaction Methods 0.000 description 1
- 239000001593 sorbitan monooleate Substances 0.000 description 1
- 235000011069 sorbitan monooleate Nutrition 0.000 description 1
- 229940035049 sorbitan monooleate Drugs 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 229950009390 symclosene Drugs 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34928—Salts
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Fireproofing Substances (AREA)
- Lubricants (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710478170.4A CN107141509B (en) | 2017-06-21 | 2017-06-21 | A kind of high-performance melamine cyanurate and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710478170.4A CN107141509B (en) | 2017-06-21 | 2017-06-21 | A kind of high-performance melamine cyanurate and preparation method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107141509A CN107141509A (en) | 2017-09-08 |
CN107141509B true CN107141509B (en) | 2019-10-18 |
Family
ID=59781130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710478170.4A Active CN107141509B (en) | 2017-06-21 | 2017-06-21 | A kind of high-performance melamine cyanurate and preparation method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107141509B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2758252C1 (en) * | 2021-03-15 | 2021-10-27 | Федеральное государственное автономное образовательное учреждение высшего образования «Национальный исследовательский Томский государственный университет» | Method for obtaining melamine cyanurate |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110776634B (en) * | 2018-07-30 | 2023-01-20 | 中国石油化工股份有限公司 | Delustering agent, delustering nylon 6 material and preparation method thereof |
CN110305638B (en) * | 2019-04-24 | 2021-03-12 | 中国石油化工股份有限公司 | Plugging agent and application thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102585290A (en) * | 2012-03-14 | 2012-07-18 | 济南泰星精细化工有限公司 | Method for preparing melamine cyanurate with large particle size and wide distribution |
CN104877177A (en) * | 2015-06-18 | 2015-09-02 | 广州金凯新材料有限公司 | Coated fire retardant, preparation method and application thereof as well as molding composition consisting of coated fire retardant |
CN105153470A (en) * | 2015-08-26 | 2015-12-16 | 青岛文创科技有限公司 | Fire retardant preparation method |
CN105585737A (en) * | 2016-03-04 | 2016-05-18 | 广东工业大学 | Phosphate microcapsule flame retardant and preparation method and application thereof |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102093300B (en) * | 2010-12-31 | 2012-08-08 | 普塞呋(清远)磷化学有限公司 | Preparation method of high-flowing property high-purity crystallization flaky melamine cyanurate |
CN102898389A (en) * | 2012-10-16 | 2013-01-30 | 郑州大学 | Method for recycling melamine waste residue |
-
2017
- 2017-06-21 CN CN201710478170.4A patent/CN107141509B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102585290A (en) * | 2012-03-14 | 2012-07-18 | 济南泰星精细化工有限公司 | Method for preparing melamine cyanurate with large particle size and wide distribution |
CN104877177A (en) * | 2015-06-18 | 2015-09-02 | 广州金凯新材料有限公司 | Coated fire retardant, preparation method and application thereof as well as molding composition consisting of coated fire retardant |
CN105153470A (en) * | 2015-08-26 | 2015-12-16 | 青岛文创科技有限公司 | Fire retardant preparation method |
CN105585737A (en) * | 2016-03-04 | 2016-05-18 | 广东工业大学 | Phosphate microcapsule flame retardant and preparation method and application thereof |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2758252C1 (en) * | 2021-03-15 | 2021-10-27 | Федеральное государственное автономное образовательное учреждение высшего образования «Национальный исследовательский Томский государственный университет» | Method for obtaining melamine cyanurate |
Also Published As
Publication number | Publication date |
---|---|
CN107141509A (en) | 2017-09-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107141509B (en) | A kind of high-performance melamine cyanurate and preparation method thereof | |
CN102585290B (en) | Method for preparing melamine cyanurate with large particle size and wide distribution | |
CN103059337B (en) | Melamine cyanurate with uniform particles, preparation method thereof and application thereof | |
CN102757567A (en) | Flame retardant and flame retardant material | |
CN102093300B (en) | Preparation method of high-flowing property high-purity crystallization flaky melamine cyanurate | |
CN103613084B (en) | Preparation method of spherical aluminum hypophosphite | |
CN112961253A (en) | Method for flame-retardant modification of microcrystalline cellulose by phytic acid | |
CN109762013A (en) | Melamine cyanurate with silane structure, preparation method and its application | |
CN1300120C (en) | Synthesizing melamine cyanuric acid by using solution of polyamide resin as reaction medium, and preparation method | |
CN105017793B (en) | A kind of synthesis preparation method of hydrophobic fire proofing | |
CN106916269A (en) | A kind of preparation method of high stability melamine resin | |
CN110317181A (en) | A kind of preparation method and applications of melamine cyanurate nanometer sheet microballoon | |
EP1799655A1 (en) | Melamine cyanurate in crystalline form | |
CN104387614A (en) | Environment-friendly method for preparing melamine resin-coated red phosphorus | |
CN105330650A (en) | Preparation method and application of novel nonpolar modified melamine fire retardant | |
CN108912671A (en) | A kind of cyanurotriamide modified lignin/magnesium hydroxide dual cladding red phosphorus combustion inhibitor and its application in PA6 resin | |
JPH01163269A (en) | Monoacylation of aminohydroxynaphthalenesulfonic acid by 2, 4, 6-trifluorinated-s-triazine | |
CN106588799A (en) | Acid-type efficient preparation method of melamine cyanurate | |
CN102898389A (en) | Method for recycling melamine waste residue | |
CN1253443C (en) | Prepn of high-purity melamine cyanuric acid | |
CN113580293A (en) | High-dispersion modified melamine polyphosphate flame retardant and preparation method and application thereof | |
CN102924395B (en) | A kind of microwave process for producing crystal of high-purity melamine cyanuric acid ester | |
CN108558587A (en) | A kind of method that nitroguanidine fluidization spray is granulated cladding TKX-50 | |
CN103897128A (en) | Flame-retardant polymeric MCA (melamine cyanurate) compound and preparation method thereof | |
CN109438379A (en) | A kind of preparation method of melamine cyanurate |
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 | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A high-performance melamine cyanurate and its preparation method Effective date of registration: 20220930 Granted publication date: 20191018 Pledgee: Shifang Sub branch of China Construction Bank Corp. Pledgor: SHIFANG CHANGFENG CHEMICAL Co.,Ltd. Registration number: Y2022980016962 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20191018 Pledgee: Shifang Sub branch of China Construction Bank Corp. Pledgor: SHIFANG CHANGFENG CHEMICAL Co.,Ltd. Registration number: Y2022980016962 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A high-performance melamine cyanurate salt and its preparation method Granted publication date: 20191018 Pledgee: China Co. truction Bank Corp Deyang branch Pledgor: SHIFANG CHANGFENG CHEMICAL Co.,Ltd. Registration number: Y2024980034429 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |