CA1082229A - Catalyseur de durcissement de resines d'epoxyde et de polyaminophenol - Google Patents
Catalyseur de durcissement de resines d'epoxyde et de polyaminophenolInfo
- Publication number
- CA1082229A CA1082229A CA246,402A CA246402A CA1082229A CA 1082229 A CA1082229 A CA 1082229A CA 246402 A CA246402 A CA 246402A CA 1082229 A CA1082229 A CA 1082229A
- Authority
- CA
- Canada
- Prior art keywords
- curing agent
- epoxy resin
- glycidyl ether
- cardanol
- formaldehyde
- 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.)
- Expired
Links
- 239000003822 epoxy resin Substances 0.000 title claims abstract description 35
- 229920000647 polyepoxide Polymers 0.000 title claims abstract description 35
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 33
- JOLVYUIAMRUBRK-UTOQUPLUSA-N Cardanol Chemical compound OC1=CC=CC(CCCCCCC\C=C/C\C=C/CC=C)=C1 JOLVYUIAMRUBRK-UTOQUPLUSA-N 0.000 claims abstract description 18
- JOLVYUIAMRUBRK-UHFFFAOYSA-N 11',12',14',15'-Tetradehydro(Z,Z-)-3-(8-Pentadecenyl)phenol Natural products OC1=CC=CC(CCCCCCCC=CCC=CCC=C)=C1 JOLVYUIAMRUBRK-UHFFFAOYSA-N 0.000 claims abstract description 17
- YLKVIMNNMLKUGJ-UHFFFAOYSA-N 3-Delta8-pentadecenylphenol Natural products CCCCCCC=CCCCCCCCC1=CC=CC(O)=C1 YLKVIMNNMLKUGJ-UHFFFAOYSA-N 0.000 claims abstract description 17
- FAYVLNWNMNHXGA-UHFFFAOYSA-N Cardanoldiene Natural products CCCC=CCC=CCCCCCCCC1=CC=CC(O)=C1 FAYVLNWNMNHXGA-UHFFFAOYSA-N 0.000 claims abstract description 17
- PTFIPECGHSYQNR-UHFFFAOYSA-N cardanol Natural products CCCCCCCCCCCCCCCC1=CC=CC(O)=C1 PTFIPECGHSYQNR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229920000768 polyamine Polymers 0.000 claims abstract description 15
- 125000001424 substituent group Chemical group 0.000 claims abstract description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 7
- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims abstract description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 4
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims abstract description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 40
- 239000000203 mixture Substances 0.000 claims description 38
- 239000004593 Epoxy Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 14
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 claims description 13
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 11
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims 2
- 239000004850 liquid epoxy resins (LERs) Substances 0.000 claims 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 abstract description 15
- -1 polyethylene Polymers 0.000 abstract description 7
- 239000007859 condensation product Substances 0.000 abstract description 6
- 239000004698 Polyethylene Substances 0.000 abstract description 3
- 229920000573 polyethylene Polymers 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 7
- 244000226021 Anacardium occidentale Species 0.000 description 6
- 235000020226 cashew nut Nutrition 0.000 description 6
- 239000000376 reactant Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000005266 casting Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000000499 gel Substances 0.000 description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229920002866 paraformaldehyde Polymers 0.000 description 4
- 229960003742 phenol Drugs 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 3
- CDAWCLOXVUBKRW-UHFFFAOYSA-N 2-aminophenol Chemical compound NC1=CC=CC=C1O CDAWCLOXVUBKRW-UHFFFAOYSA-N 0.000 description 3
- 201000004624 Dermatitis Diseases 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 125000002947 alkylene group Chemical group 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002085 irritant Substances 0.000 description 3
- 231100000021 irritant Toxicity 0.000 description 3
- 231100000344 non-irritating Toxicity 0.000 description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 3
- 231100000202 sensitizing Toxicity 0.000 description 3
- 230000001235 sensitizing effect Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 241000894007 species Species 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- 238000006683 Mannich reaction Methods 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 241000283973 Oryctolagus cuniculus Species 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011253 protective coating Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 2
- 238000004809 thin layer chromatography Methods 0.000 description 2
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 1
- DMYOHQBLOZMDLP-UHFFFAOYSA-N 1-[2-(2-hydroxy-3-piperidin-1-ylpropoxy)phenyl]-3-phenylpropan-1-one Chemical compound C1CCCCN1CC(O)COC1=CC=CC=C1C(=O)CCC1=CC=CC=C1 DMYOHQBLOZMDLP-UHFFFAOYSA-N 0.000 description 1
- AHDSRXYHVZECER-UHFFFAOYSA-N 2,4,6-tris[(dimethylamino)methyl]phenol Chemical compound CN(C)CC1=CC(CN(C)C)=C(O)C(CN(C)C)=C1 AHDSRXYHVZECER-UHFFFAOYSA-N 0.000 description 1
- 229920003319 Araldite® Polymers 0.000 description 1
- 229920001342 Bakelite® Polymers 0.000 description 1
- 229930185605 Bisphenol Natural products 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000700198 Cavia Species 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 229920003332 Epotuf® Polymers 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229920001079 Thiokol (polymer) Polymers 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000010533 azeotropic distillation Methods 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical class OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical class OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 231100000121 skin sensitizing Toxicity 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/62—Alcohols or phenols
- C08G59/621—Phenols
- C08G59/623—Aminophenols
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Epoxy Resins (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US55877675A | 1975-03-17 | 1975-03-17 | |
| US558,776 | 1990-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1082229A true CA1082229A (fr) | 1980-07-22 |
Family
ID=24230943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA246,402A Expired CA1082229A (fr) | 1975-03-17 | 1976-02-24 | Catalyseur de durcissement de resines d'epoxyde et de polyaminophenol |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS51119099A (fr) |
| BR (1) | BR7601572A (fr) |
| CA (1) | CA1082229A (fr) |
| DE (1) | DE2611536A1 (fr) |
| FR (1) | FR2304598A1 (fr) |
| GB (1) | GB1529740A (fr) |
| IN (1) | IN143741B (fr) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5538836A (en) * | 1978-09-11 | 1980-03-18 | Sanyo Chem Ind Ltd | Epoxy resin curing agent |
| EP0066447A1 (fr) * | 1981-05-25 | 1982-12-08 | Mitsubishi Gas Chemical Company, Inc. | Réaction d'un phénol, d'une aldéhyde et d'une amine pour produire un agent de durcissement pour le résines epoxy |
| KR101593909B1 (ko) | 2008-04-07 | 2016-02-15 | 블루 큐브 아이피 엘엘씨 | 개선된 저온 경화 특성을 갖는 에폭시 수지 조성물, 이의 제조방법 및 이의 제조용 중간체 |
| EP2358813B1 (fr) * | 2008-11-20 | 2018-08-22 | Henkel IP & Holding GmbH | Durcisseurs pour résines époxydes |
| CN104736634A (zh) * | 2012-10-31 | 2015-06-24 | 陶氏环球技术有限公司 | 可固化环氧树脂组合物 |
| CN103739828B (zh) * | 2013-12-19 | 2015-10-28 | 上海美东生物材料有限公司 | 一种基于腰果酚的耐高温环氧树脂固化剂的制备方法 |
| CN105601887A (zh) * | 2015-12-31 | 2016-05-25 | 上海美东生物材料股份有限公司 | 一种脂环胺固化剂及其制备方法 |
| WO2019094013A1 (fr) | 2017-11-09 | 2019-05-16 | Evonik Degussa Gmbh | Triaminononane benzylé et ses utilisations |
| KR102686654B1 (ko) | 2018-03-11 | 2024-07-22 | 에보니크 오퍼레이션즈 게엠베하 | Pvc 플라스티졸용 카르다놀 블로킹된 이소시아네이트 접착 촉진제 |
| WO2019185567A1 (fr) | 2018-03-30 | 2019-10-03 | Evonik Degussa Gmbh | Agents durcisseurs d'époxy à base de phénalkamine et compositions de résine époxy les contenant |
| JP2021521162A (ja) | 2018-04-10 | 2021-08-26 | エボニック オペレーションズ ゲーエムベーハー | フェナルカミンを製造する方法 |
| US11891476B2 (en) | 2019-11-08 | 2024-02-06 | Evonik Operations Gmbh | Phenalkamine epoxy curing agents from methylene bridged poly(cyclohexyl-aromatic) amines and epoxy resin compositions containing the same |
| KR102692372B1 (ko) * | 2021-05-20 | 2024-08-06 | 주식회사 케미폴리오 | 고순도 카다놀을 이용한 페날카민 제조방법 및 이를 이용하여 제조된 저온 경화제 |
-
1976
- 1976-02-24 CA CA246,402A patent/CA1082229A/fr not_active Expired
- 1976-03-16 DE DE19762611536 patent/DE2611536A1/de not_active Withdrawn
- 1976-03-16 BR BR7601572A patent/BR7601572A/pt unknown
- 1976-03-16 JP JP51028549A patent/JPS51119099A/ja active Pending
- 1976-03-16 GB GB10533/76A patent/GB1529740A/en not_active Expired
- 1976-03-16 FR FR7607522A patent/FR2304598A1/fr active Granted
- 1976-03-17 IN IN462/CAL/76A patent/IN143741B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR7601572A (pt) | 1976-09-14 |
| IN143741B (fr) | 1978-01-28 |
| FR2304598A1 (fr) | 1976-10-15 |
| JPS51119099A (en) | 1976-10-19 |
| GB1529740A (en) | 1978-10-25 |
| FR2304598B1 (fr) | 1979-08-24 |
| DE2611536A1 (de) | 1976-09-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1082229A (fr) | Catalyseur de durcissement de resines d'epoxyde et de polyaminophenol | |
| US4694096A (en) | (Acylthiopropyl)phenols | |
| US2897179A (en) | Hardener for epoxy resin composition | |
| US4581422A (en) | Epoxy resin composition containing a curing agent which is a reaction product of cyanoguanidine, formaldehyde and an amine | |
| US2753323A (en) | Epoxy resins cured with an amine having at least one cyanoethyl group | |
| US4766186A (en) | Epoxy adhesive | |
| US4436891A (en) | Modified polyoxyalkylenepolyamine curing agents for epoxy resins | |
| US3793248A (en) | Adducts,containing epoxide groups,from polyepoxide compounds and binuclear n-heterocyclic compounds | |
| US3720639A (en) | Fluorinated polyols | |
| US5025100A (en) | Liquid amine terminated derivatives of diglycidyl ethers | |
| CA1069248A (fr) | Agents epoxydes de cuisson a base de thiouree de polyethers | |
| AU710802B2 (en) | Mannich base curing agents | |
| US3740373A (en) | Epoxy resin composition containing a polyoxyalkylenepolyamine,substituted piperazine,salicylic acid and a phenol | |
| US4179552A (en) | Process for accelerated cure of epoxy resins | |
| US3655817A (en) | Adducts containing epoxide groups from polyepoxide compounds and acid slightly branched polyester dicarboxylic acids | |
| CA2287395A1 (fr) | Melanges durcissables constitues de composes glycidyliques, de durcisseurs aminiques et d'accelerateurs heterocycliques | |
| CA1283123C (fr) | Polyphenols contenant des mercaptans | |
| US3036975A (en) | Rapid-curing epoxy resin compositions and method of making | |
| US5120817A (en) | Epoxy resin compositions | |
| US4574145A (en) | Epoxy curing agents and method for making them | |
| US4116938A (en) | Polyether diureide epoxy additives | |
| US5061774A (en) | Imide-containing polysiloxanes and a process for preparing them | |
| US4581423A (en) | Epoxy resin composition containing a curing agent which is a reaction product of hydantoins, formaldehyde and an amine | |
| US3374186A (en) | Curing polyepoxide compounds with a polyamine | |
| US4141885A (en) | Bis ureide of a polyoxyalkylene polyamine as an epoxy additive |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |